Files
poky/meta/packages/linux/linux-rp-2.6.17/asoc-v0.12.4_2.6.17.patch
Richard Purdie 8689ce9ada linux-rp-2.6.17: Sync with OE
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@2013 311d38ba-8fff-0310-9ca6-ca027cbcb966
2007-06-26 21:36:34 +00:00

31714 lines
901 KiB
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Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/DAI.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/DAI.txt
@@ -0,0 +1,546 @@
+ASoC currently supports the three main Digital Audio Interfaces (DAI) found on
+SoC controllers and portable audio CODECS today, namely AC97, I2S and PCM.
+
+
+AC97
+====
+
+ AC97 is a five wire interface commonly found on many PC sound cards. It is
+now also popular in many portable devices. This DAI has a reset line and time
+multiplexes its data on its SDATA_OUT (playback) and SDATA_IN (capture) lines.
+The bit clock (BCLK) is always driven by the CODEC (usually 12.288MHz) and the
+frame (FRAME) (usually 48kHz) is always driven by the controller. Each AC97
+frame is 21uS long and is divided into 13 time slots.
+
+The AC97 specification can be found at :-
+http://www.intel.com/design/chipsets/audio/ac97_r23.pdf
+
+
+I2S
+===
+
+ I2S is a common 4 wire DAI used in HiFi, STB and portable devices. The Tx and
+Rx lines are used for audio transmision, whilst the bit clock (BCLK) and
+left/right clock (LRC) synchronise the link. I2S is flexible in that either the
+controller or CODEC can drive (master) the BCLK and LRC clock lines. Bit clock
+usually varies depending on the sample rate and the master system clock
+(SYSCLK). LRCLK is the same as the sample rate. A few devices support separate
+ADC and DAC LRCLK's, this allows for similtanious capture and playback at
+different sample rates.
+
+I2S has several different operating modes:-
+
+ o I2S - MSB is transmitted on the falling edge of the first BCLK after LRC
+ transition.
+
+ o Left Justified - MSB is transmitted on transition of LRC.
+
+ o Right Justified - MSB is transmitted sample size BCLK's before LRC
+ transition.
+
+PCM
+===
+
+PCM is another 4 wire interface, very similar to I2S, that can support a more
+flexible protocol. It has bit clock (BCLK) and sync (SYNC) lines that are used
+to synchronise the link whilst the Tx and Rx lines are used to transmit and
+receive the audio data. Bit clock usually varies depending on sample rate
+whilst sync runs at the sample rate. PCM also supports Time Division
+Multiplexing (TDM) in that several devices can use the bus similtaniuosly (This
+is sometimes referred to as network mode).
+
+Common PCM operating modes:-
+
+ o Mode A - MSB is transmitted on falling edge of first BCLK after FRAME/SYNC.
+
+ o Mode B - MSB is transmitted on rising edge of FRAME/SYNC.
+
+
+ASoC DAI Configuration
+======================
+
+Every CODEC DAI and SoC DAI must have their capabilities defined in order to
+be configured together at runtime when the audio and clocking parameters are
+known. This is achieved by creating an array of struct snd_soc_hw_mode in the
+the CODEC and SoC interface drivers. Each element in the array describes a DAI
+mode and each mode is usually based upon the DAI system clock to sample rate
+ratio (FS).
+
+i.e. 48k sample rate @ 256 FS = sytem clock of 12.288 MHz
+ 48000 * 256 = 12288000
+
+The CPU and Codec DAI modes are then ANDed together at runtime to determine the
+rutime DAI configuration for both the Codec and CPU.
+
+When creating a new codec or SoC DAI it's probably best to start of with a few
+sample rates first and then test your interface.
+
+struct snd_soc_dai_mode is defined (in soc.h) as:-
+
+/* SoC DAI mode */
+struct snd_soc_dai_mode {
+ u16 fmt; /* SND_SOC_DAIFMT_* */
+ u16 tdm; /* SND_SOC_HWTDM_* */
+ u64 pcmfmt; /* SNDRV_PCM_FMTBIT_* */
+ u16 pcmrate; /* SND_SOC_HWRATE_* */
+ u16 pcmdir:2; /* SND_SOC_HWDIR_* */
+ u16 flags:8; /* hw flags */
+ u16 fs; /* mclk to rate divider */
+ u64 bfs; /* mclk to bclk dividers */
+ unsigned long priv; /* private mode data */
+};
+
+fmt:
+----
+This field defines the DAI mode hardware format (e.g. I2S settings) and
+supports the following settings:-
+
+ 1) hardware DAI formats
+
+#define SND_SOC_DAIFMT_I2S (1 << 0) /* I2S mode */
+#define SND_SOC_DAIFMT_RIGHT_J (1 << 1) /* Right justified mode */
+#define SND_SOC_DAIFMT_LEFT_J (1 << 2) /* Left Justified mode */
+#define SND_SOC_DAIFMT_DSP_A (1 << 3) /* L data msb after FRM */
+#define SND_SOC_DAIFMT_DSP_B (1 << 4) /* L data msb during FRM */
+#define SND_SOC_DAIFMT_AC97 (1 << 5) /* AC97 */
+
+ 2) hw DAI signal inversions
+
+#define SND_SOC_DAIFMT_NB_NF (1 << 8) /* normal bit clock + frame */
+#define SND_SOC_DAIFMT_NB_IF (1 << 9) /* normal bclk + inv frm */
+#define SND_SOC_DAIFMT_IB_NF (1 << 10) /* invert bclk + nor frm */
+#define SND_SOC_DAIFMT_IB_IF (1 << 11) /* invert bclk + frm */
+
+ 3) hw clock masters
+ This is wrt the codec, the inverse is true for the interface
+ i.e. if the codec is clk and frm master then the interface is
+ clk and frame slave.
+
+#define SND_SOC_DAIFMT_CBM_CFM (1 << 12) /* codec clk & frm master */
+#define SND_SOC_DAIFMT_CBS_CFM (1 << 13) /* codec clk slave & frm master */
+#define SND_SOC_DAIFMT_CBM_CFS (1 << 14) /* codec clk master & frame slave */
+#define SND_SOC_DAIFMT_CBS_CFS (1 << 15) /* codec clk & frm slave */
+
+At least one option from each section must be selected. Multiple selections are
+also supported e.g.
+
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF
+
+
+tdm:
+------
+This field defines the Time Division Multiplexing left and right word
+positions for the DAI mode if applicable. Set to SND_SOC_DAITDM_LRDW(0,0) for
+no TDM.
+
+
+pcmfmt:
+---------
+The hardware PCM format. This describes the PCM formats supported by the DAI
+mode e.g.
+
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
+ SNDRV_PCM_FORMAT_S24_3LE
+
+pcmrate:
+----------
+The PCM sample rates supported by the DAI mode. e.g.
+
+ .pcmrate = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000
+
+
+pcmdir:
+---------
+The stream directions supported by this mode. e.g. playback and capture
+
+
+flags:
+--------
+The DAI hardware flags supported by the mode.
+
+/* use bfs mclk divider mode (BCLK = MCLK / x) */
+#define SND_SOC_DAI_BFS_DIV 0x1
+/* use bfs rate mulitplier (BCLK = RATE * x)*/
+#define SND_SOC_DAI_BFS_RATE 0x2
+/* use bfs rcw multiplier (BCLK = RATE * CHN * WORD SIZE) */
+#define SND_SOC_DAI_BFS_RCW 0x4
+/* capture and playback can use different clocks */
+#define SND_SOC_DAI_ASYNC 0x8
+
+NOTE: Bitclock division and mulitiplication modes can be safely matched by the
+core logic.
+
+
+fs:
+-----
+The FS supported by this DAI mode FS is the ratio between the system clock and
+the sample rate. See above
+
+bfs:
+------
+BFS is the ratio of BCLK to MCLK or the ratio of BCLK to sample rate (this
+depends on the codec or CPU DAI).
+
+The BFS supported by the DAI mode. This can either be the ratio between the
+bitclock (BCLK) and the sample rate OR the ratio between the system clock and
+the sample rate. Depends on the flags above.
+
+priv:
+-----
+private codec mode data.
+
+
+
+Examples
+========
+
+Note that Codec DAI and CPU DAI examples are interchangeable in these examples
+as long as the bus master is reversed. i.e.
+
+ SND_SOC_DAIFMT_CBM_CFM would become SND_SOC_DAIFMT_CBS_CFS
+ and vice versa.
+
+This applies to all SND_SOC_DAIFMT_CB*_CF*.
+
+Example 1
+---------
+
+Simple codec that only runs at 8k & 48k @ 256FS in master mode, can generate a
+BCLK of either MCLK/2 or MCLK/4.
+
+ /* codec master */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(2) | SND_SOC_FSBD(4),
+ }
+
+
+Example 2
+---------
+Simple codec that only runs at 8k & 48k @ 256FS in master mode, can generate a
+BCLK of either Rate * 32 or Rate * 64.
+
+ /* codec master */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 32,
+ },
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+
+
+Example 3
+---------
+Codec that runs at 8k & 48k @ 256FS in master mode, can generate a BCLK that
+is a multiple of Rate * channels * word size. (RCW) i.e.
+
+ BCLK = 8000 * 2 * 16 (8k, stereo, 16bit)
+ = 256kHz
+
+This codecs supports a RCW multiple of 1,2
+
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1) | SND_SOC_FSBW(2),
+ }
+
+
+Example 4
+---------
+Codec that only runs at 8k & 48k @ 256FS in master mode, can generate a
+BCLK of either Rate * 32 or Rate * 64. Codec can also run in slave mode as long
+as BCLK is rate * 32 or rate * 64.
+
+ /* codec master */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 32,
+ },
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+
+ /* codec slave */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmdir = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = 32,
+ },
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmdir = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = 64,
+ },
+
+
+Example 5
+---------
+Codec that only runs at 8k, 16k, 32k, 48k, 96k @ 128FS, 192FS & 256FS in master
+mode and can generate a BCLK of MCLK / (1,2,4,8,16). Codec can also run in slave
+mode as and does not care about FS or BCLK (as long as there is enough bandwidth).
+
+ #define CODEC_FSB \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
+ SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
+
+ #define CODEC_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 |\
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
+
+ /* codec master @ 128, 192 & 256 FS */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = CODEC_RATES,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 128,
+ .bfs = CODEC_FSB,
+ },
+
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = CODEC_RATES,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 192,
+ .bfs = CODEC_FSB
+ },
+
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = CODEC_RATES,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = CODEC_FSB,
+ },
+
+ /* codec slave */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = CODEC_RATES,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+
+
+Example 6
+---------
+Codec that only runs at 8k, 44.1k, 48k @ different FS in master mode (for use
+with a fixed MCLK) and can generate a BCLK of MCLK / (1,2,4,8,16).
+Codec can also run in slave mode as and does not care about FS or BCLK (as long
+as there is enough bandwidth). Codec can support 16, 24 and 32 bit PCM sample
+sizes.
+
+ #define CODEC_FSB \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
+ SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
+
+ #define CODEC_PCM_FORMATS \
+ (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
+ SNDRV_PCM_FORMAT_S24_3LE | SNDRV_PCM_FORMAT_S24_LE | SNDRV_PCM_FORMAT_S32_LE)
+
+ /* codec master */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1536,
+ .bfs = CODEC_FSB,
+ },
+
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 272,
+ .bfs = CODEC_FSB,
+ },
+
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = CODEC_FSB,
+ },
+
+ /* codec slave */
+ {
+ .fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FORMAT_S16_LE,
+ .pcmrate = CODEC_RATES,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+
+
+Example 7
+---------
+AC97 Codec that does not support VRA (i.e only runs at 48k).
+
+ #define AC97_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+ #define AC97_PCM_FORMATS \
+ (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S18_3LE | \
+ SNDRV_PCM_FORMAT_S20_3LE)
+
+ /* AC97 with no VRA */
+ {
+ .pcmfmt = AC97_PCM_FORMATS,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ }
+
+
+Example 8
+---------
+
+CPU DAI that supports 8k - 48k @ 256FS and BCLK = MCLK / 4 in master mode.
+Slave mode (CPU DAI is FRAME master) supports 8k - 96k at any FS as long as
+BCLK = 64 * rate. (Intel XScale I2S controller).
+
+ #define PXA_I2S_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF)
+
+ #define PXA_I2S_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+ #define PXA_I2S_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+ /* priv is divider */
+ static struct snd_soc_dai_mode pxa2xx_i2s_modes[] = {
+ /* pxa2xx I2S frame and clock master modes */
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x48,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x34,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x24,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x1a,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0xd,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0xc,
+ },
+
+ /* pxa2xx I2S frame master and clock slave mode */
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = PXA_I2S_RATES,
+ .pcmdir = PXA_I2S_DIR,
+ .fs = SND_SOC_FS_ALL,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .bfs = 64,
+ .priv = 0x48,
+ },
+};
Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/clocking.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/clocking.txt
@@ -0,0 +1,314 @@
+Audio Clocking
+==============
+
+This text describes the audio clocking terms in ASoC and digital audio in
+general. Note: Audio clocking can be complex !
+
+
+Master Clock
+------------
+
+Every audio subsystem is driven by a master clock (sometimes refered to as MCLK
+or SYSCLK). This audio master clock can be derived from a number of sources
+(e.g. crystal, PLL, CPU clock) and is responsible for producing the correct
+audio playback and capture sample rates.
+
+Some master clocks (e.g. PLL's and CPU based clocks) are configuarble in that
+their speed can be altered by software (depending on the system use and to save
+power). Other master clocks are fixed at at set frequency (i.e. crystals).
+
+
+DAI Clocks
+----------
+The Digital Audio Interface is usually driven by a Bit Clock (often referred to
+as BCLK). This clock is used to drive the digital audio data across the link
+between the codec and CPU.
+
+The DAI also has a frame clock to signal the start of each audio frame. This
+clock is sometimes referred to as LRC (left right clock) or FRAME. This clock
+runs at exactly the sample rate (LRC = Rate).
+
+Bit Clock can be generated as follows:-
+
+BCLK = MCLK / x
+
+ or
+
+BCLK = LRC * x
+
+ or
+
+BCLK = LRC * Channels * Word Size
+
+This relationship depends on the codec or SoC CPU in particular. ASoC can quite
+easily match BCLK generated by division (SND_SOC_DAI_BFS_DIV) with BCLK by
+multiplication (SND_SOC_DAI_BFS_RATE) or BCLK generated by
+Rate * Channels * Word size (RCW or SND_SOC_DAI_BFS_RCW).
+
+
+ASoC Clocking
+-------------
+
+The ASoC core determines the clocking for each particular configuration at
+runtime. This is to allow for dynamic audio clocking wereby the audio clock is
+variable and depends on the system state or device usage scenario. i.e. a voice
+call requires slower clocks (and hence less power) than MP3 playback.
+
+ASoC will call the config_sysclock() function for the target machine during the
+audio parameters configuration. The function is responsible for then clocking
+the machine audio subsytem and returning the audio clock speed to the core.
+This function should also call the codec and cpu DAI clock_config() functions
+to configure their respective internal clocking if required.
+
+
+ASoC Clocking Control Flow
+--------------------------
+
+The ASoC core will call the machine drivers config_sysclock() when most of the
+DAI capabilities are known. The machine driver is then responsible for calling
+the codec and/or CPU DAI drivers with the selected capabilities and the current
+MCLK. Note that the machine driver is also resonsible for setting the MCLK (and
+enabling it).
+
+ (1) Match Codec and CPU DAI capabilities. At this point we have
+ matched the majority of the DAI fields and now need to make sure this
+ mode is currently clockable.
+
+ (2) machine->config_sysclk() is now called with the matched DAI FS, sample
+ rate and BCLK master. This function then gets/sets the current audio
+ clock (depening on usage) and calls the codec and CPUI DAI drivers with
+ the FS, rate, BCLK master and MCLK.
+
+ (3) Codec/CPU DAI config_sysclock(). This function checks that the FS, rate,
+ BCLK master and MCLK are acceptable for the codec or CPU DAI. It also
+ sets the DAI internal state to work with said clocks.
+
+The config_sysclk() functions for CPU, codec and machine should return the MCLK
+on success and 0 on failure.
+
+
+Examples (b = BCLK, l = LRC)
+============================
+
+Example 1
+---------
+
+Simple codec that only runs at 48k @ 256FS in master mode.
+
+CPU only runs as slave DAI, however it generates a variable MCLK.
+
+ -------- ---------
+ | | <----mclk--- | |
+ | Codec |b -----------> | CPU |
+ | |l -----------> | |
+ | | | |
+ -------- ---------
+
+The codec driver has the following config_sysclock()
+
+ static unsigned int config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+ {
+ /* make sure clock is 256 * rate */
+ if(info->rate << 8 == clk) {
+ dai->mclk = clk;
+ return clk;
+ }
+
+ return 0;
+ }
+
+The CPU I2S DAI driver has the following config_sysclk()
+
+ static unsigned int config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+ {
+ /* can we support this clk */
+ if(set_audio_clk(clk) < 0)
+ return -EINVAL;
+
+ dai->mclk = clk;
+ return dai->clk;
+ }
+
+The machine driver config_sysclk() in this example is as follows:-
+
+ unsigned int machine_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+ {
+ int clk = info->rate * info->fs;
+
+ /* check that CPU can deliver clock */
+ if(rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info, clk) < 0)
+ return -EINVAL;
+
+ /* can codec work with this clock */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, clk);
+ }
+
+
+Example 2
+---------
+
+Codec that can master at 8k and 48k at various FS (and hence supports a fixed
+set of input MCLK's) and can also be slave at various FS .
+
+The CPU can master at 8k and 48k @256 FS and can be slave at any FS.
+
+MCLK is a 12.288MHz crystal on this machine.
+
+ -------- ---------
+ | | <---xtal---> | |
+ | Codec |b <----------> | CPU |
+ | |l <----------> | |
+ | | | |
+ -------- ---------
+
+
+The codec driver has the following config_sysclock()
+
+ /* supported input clocks */
+ const static int hifi_clks[] = {11289600, 12000000, 12288000,
+ 16934400, 18432000};
+
+ static unsigned int config_hsysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+ {
+ int i;
+
+ /* is clk supported */
+ for(i = 0; i < ARRAY_SIZE(hifi_clks); i++) {
+ if(clk == hifi_clks[i]) {
+ dai->mclk = clk;
+ return clk;
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+ }
+
+The CPU I2S DAI driver has the following config_sysclk()
+
+ static unsigned int config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+ {
+ /* are we master or slave */
+ if (info->bclk_master &
+ (SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS)) {
+
+ /* we can only master @ 256FS */
+ if(info->rate << 8 == clk) {
+ dai->mclk = clk;
+ return dai->mclk;
+ }
+ } else {
+ /* slave we can run at any FS */
+ dai->mclk = clk;
+ return dai->mclk;
+ }
+
+ /* not supported */
+ return dai->clk;
+ }
+
+The machine driver config_sysclk() in this example is as follows:-
+
+ unsigned int machine_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+ {
+ int clk = 12288000; /* 12.288MHz */
+
+ /* who's driving the link */
+ if (info->bclk_master &
+ (SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS)) {
+ /* codec master */
+
+ /* check that CPU can work with clock */
+ if(rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info, clk) < 0)
+ return -EINVAL;
+
+ /* can codec work with this clock */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, clk);
+ } else {
+ /* cpu master */
+
+ /* check that codec can work with clock */
+ if(rtd->codec_dai->config_sysclk(rtd->codec_dai, info, clk) < 0)
+ return -EINVAL;
+
+ /* can CPU work with this clock */
+ return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info, clk);
+ }
+ }
+
+
+
+Example 3
+---------
+
+Codec that masters at 8k ... 48k @256 FS. Codec can also be slave and
+doesn't care about FS. The codec has an internal PLL and dividers to generate
+the necessary internal clocks (for 256FS).
+
+CPU can only be slave and doesn't care about FS.
+
+MCLK is a non controllable 13MHz clock from the CPU.
+
+
+ -------- ---------
+ | | <----mclk--- | |
+ | Codec |b <----------> | CPU |
+ | |l <----------> | |
+ | | | |
+ -------- ---------
+
+The codec driver has the following config_sysclock()
+
+ /* valid PCM clock dividers * 2 */
+ static int pcm_divs[] = {2, 6, 11, 4, 8, 12, 16};
+
+ static unsigned int config_vsysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+ {
+ int i, j, best_clk = info->fs * info->rate;
+
+ /* can we run at this clk without the PLL ? */
+ for (i = 0; i < ARRAY_SIZE(pcm_divs); i++) {
+ if ((best_clk >> 1) * pcm_divs[i] == clk) {
+ dai->pll_in = 0;
+ dai->clk_div = pcm_divs[i];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+
+ /* now check for PLL support */
+ for (i = 0; i < ARRAY_SIZE(pll_div); i++) {
+ if (pll_div[i].pll_in == clk) {
+ for (j = 0; j < ARRAY_SIZE(pcm_divs); j++) {
+ if (pll_div[i].pll_out == pcm_divs[j] * (best_clk >> 1)) {
+ dai->pll_in = clk;
+ dai->pll_out = pll_div[i].pll_out;
+ dai->clk_div = pcm_divs[j];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+ }
+
+
+The CPU I2S DAI driver has the does not need a config_sysclk() as it can slave
+at any FS.
+
+ unsigned int config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+ {
+ /* codec has pll that generates mclk from 13MHz xtal */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 13000000);
+ }
Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/codec.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/codec.txt
@@ -0,0 +1,232 @@
+ASoC Codec Driver
+=================
+
+The codec driver is generic and hardware independent code that configures the
+codec to provide audio capture and playback. It should contain no code that is
+specific to the target platform or machine. All platform and machine specific
+code should be added to the platform and machine drivers respectively.
+
+Each codec driver must provide the following features:-
+
+ 1) Digital audio interface (DAI) description
+ 2) Digital audio interface configuration
+ 3) PCM's description
+ 4) Codec control IO - using I2C, 3 Wire(SPI) or both API's
+ 5) Mixers and audio controls
+ 6) Sysclk configuration
+ 7) Codec audio operations
+
+Optionally, codec drivers can also provide:-
+
+ 8) DAPM description.
+ 9) DAPM event handler.
+10) DAC Digital mute control.
+
+It's probably best to use this guide in conjuction with the existing codec
+driver code in sound/soc/codecs/
+
+ASoC Codec driver breakdown
+===========================
+
+1 - Digital Audio Interface (DAI) description
+---------------------------------------------
+The DAI is a digital audio data transfer link between the codec and host SoC
+CPU. It typically has data transfer capabilities in both directions
+(playback and capture) and can run at a variety of different speeds.
+Supported interfaces currently include AC97, I2S and generic PCM style links.
+Please read DAI.txt for implementation information.
+
+
+2 - Digital Audio Interface (DAI) configuration
+-----------------------------------------------
+DAI configuration is handled by the codec_pcm_prepare function and is
+responsible for configuring and starting the DAI on the codec. This can be
+called multiple times and is atomic. It can access the runtime parameters.
+
+This usually consists of a large function with numerous switch statements to
+set up each configuration option. These options are set by the core at runtime.
+
+
+3 - Codec PCM's
+---------------
+Each codec must have it's PCM's defined. This defines the number of channels,
+stream names, callbacks and codec name. It is also used to register the DAI
+with the ASoC core. The PCM structure also associates the DAI capabilities with
+the ALSA PCM.
+
+e.g.
+
+static struct snd_soc_pcm_codec wm8731_pcm_client = {
+ .name = "WM8731",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = wm8731_config_sysclk,
+ .ops = {
+ .prepare = wm8731_pcm_prepare,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8731_hwfmt),
+ .modes = &wm8731_hwfmt[0],
+ },
+};
+
+
+4 - Codec control IO
+--------------------
+The codec can ususally be controlled via an I2C or SPI style interface (AC97
+combines control with data in the DAI). The codec drivers will have to provide
+functions to read and write the codec registers along with supplying a register
+cache:-
+
+ /* IO control data and register cache */
+ void *control_data; /* codec control (i2c/3wire) data */
+ void *reg_cache;
+
+Codec read/write should do any data formatting and call the hardware read write
+below to perform the IO. These functions are called by the core and alsa when
+performing DAPM or changing the mixer:-
+
+ unsigned int (*read)(struct snd_soc_codec *, unsigned int);
+ int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
+
+Codec hardware IO functions - usually points to either the I2C, SPI or AC97
+read/write:-
+
+ hw_write_t hw_write;
+ hw_read_t hw_read;
+
+
+5 - Mixers and audio controls
+-----------------------------
+All the codec mixers and audio controls can be defined using the convenience
+macros defined in soc.h.
+
+ #define SOC_SINGLE(xname, reg, shift, mask, invert)
+
+Defines a single control as follows:-
+
+ xname = Control name e.g. "Playback Volume"
+ reg = codec register
+ shift = control bit(s) offset in register
+ mask = control bit size(s) e.g. mask of 7 = 3 bits
+ invert = the control is inverted
+
+Other macros include:-
+
+ #define SOC_DOUBLE(xname, reg, shift_left, shift_right, mask, invert)
+
+A stereo control
+
+ #define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, mask, invert)
+
+A stereo control spanning 2 registers
+
+ #define SOC_ENUM_SINGLE(xreg, xshift, xmask, xtexts)
+
+Defines an single enumerated control as follows:-
+
+ xreg = register
+ xshift = control bit(s) offset in register
+ xmask = control bit(s) size
+ xtexts = pointer to array of strings that describe each setting
+
+ #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts)
+
+Defines a stereo enumerated control
+
+
+6 - System clock configuration.
+-------------------------------
+The system clock that drives the audio subsystem can change depending on sample
+rate and the system power state. i.e.
+
+o Higher sample rates sometimes need a higher system clock.
+o Low system power states can sometimes limit the available clocks.
+
+This function is a callback that the machine driver can call to set and
+determine if the clock and sample rate combination is supported by the codec at
+the present time (and system state).
+
+NOTE: If the codec has a PLL then it has a lot more flexability wrt clock and
+sample rate combinations.
+
+Your config_sysclock function should return the MCLK if it's a valid
+combination for your codec else 0;
+
+Please read clocking.txt now.
+
+
+7 - Codec Audio Operations
+--------------------------
+The codec driver also supports the following alsa operations:-
+
+/* SoC audio ops */
+struct snd_soc_ops {
+ int (*startup)(snd_pcm_substream_t *);
+ void (*shutdown)(snd_pcm_substream_t *);
+ int (*hw_params)(snd_pcm_substream_t *, snd_pcm_hw_params_t *);
+ int (*hw_free)(snd_pcm_substream_t *);
+ int (*prepare)(snd_pcm_substream_t *);
+};
+
+Please refer to the alsa driver PCM documentation for details.
+http://www.alsa-project.org/~iwai/writing-an-alsa-driver/c436.htm
+
+
+8 - DAPM description.
+---------------------
+The Dynamic Audio Power Management description describes the codec's power
+components, their relationships and registers to the ASoC core. Please read
+dapm.txt for details of building the description.
+
+Please also see the examples in other codec drivers.
+
+
+9 - DAPM event handler
+----------------------
+This function is a callback that handles codec domain PM calls and system
+domain PM calls (e.g. suspend and resume). It's used to put the codec to sleep
+when not in use.
+
+Power states:-
+
+ SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, clk and osc on, active */
+
+ SNDRV_CTL_POWER_D1: /* partial On */
+ SNDRV_CTL_POWER_D2: /* partial On */
+
+ SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, inactive */
+
+ SNDRV_CTL_POWER_D3cold: /* Everything Off, without power */
+
+
+10 - Codec DAC digital mute control.
+------------------------------------
+Most codecs have a digital mute before the DAC's that can be used to minimise
+any system noise. The mute stops any digital data from entering the DAC.
+
+A callback can be created that is called by the core for each codec DAI when the
+mute is applied or freed.
+
+i.e.
+
+static int wm8974_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8974_read_reg_cache(codec, WM8974_DAC) & 0xffbf;
+ if(mute)
+ wm8974_write(codec, WM8974_DAC, mute_reg | 0x40);
+ else
+ wm8974_write(codec, WM8974_DAC, mute_reg);
+ return 0;
+}
Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/dapm.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/dapm.txt
@@ -0,0 +1,297 @@
+Dynamic Audio Power Management for Portable Devices
+===================================================
+
+1. Description
+==============
+
+Dynamic Audio Power Management (DAPM) is designed to allow portable Linux devices
+to use the minimum amount of power within the audio subsystem at all times. It
+is independent of other kernel PM and as such, can easily co-exist with the
+other PM systems.
+
+DAPM is also completely transparent to all user space applications as all power
+switching is done within the ASoC core. No code changes or recompiling are
+required for user space applications. DAPM makes power switching descisions based
+upon any audio stream (capture/playback) activity and audio mixer settings
+within the device.
+
+DAPM spans the whole machine. It covers power control within the entire audio
+subsystem, this includes internal codec power blocks and machine level power
+systems.
+
+There are 4 power domains within DAPM
+
+ 1. Codec domain - VREF, VMID (core codec and audio power)
+ Usually controlled at codec probe/remove and suspend/resume, although
+ can be set at stream time if power is not needed for sidetone, etc.
+
+ 2. Platform/Machine domain - physically connected inputs and outputs
+ Is platform/machine and user action specific, is configured by the
+ machine driver and responds to asynchronous events e.g when HP
+ are inserted
+
+ 3. Path domain - audio susbsystem signal paths
+ Automatically set when mixer and mux settings are changed by the user.
+ e.g. alsamixer, amixer.
+
+ 4. Stream domain - DAC's and ADC's.
+ Enabled and disabled when stream playback/capture is started and
+ stopped respectively. e.g. aplay, arecord.
+
+All DAPM power switching descisons are made automatically by consulting an audio
+routing map of the whole machine. This map is specific to each machine and
+consists of the interconnections between every audio component (including
+internal codec components). All audio components that effect power are called
+widgets hereafter.
+
+
+2. DAPM Widgets
+===============
+
+Audio DAPM widgets fall into a number of types:-
+
+ o Mixer - Mixes several analog signals into a single analog signal.
+ o Mux - An analog switch that outputs only 1 of it's inputs.
+ o PGA - A programmable gain amplifier or attenuation widget.
+ o ADC - Analog to Digital Converter
+ o DAC - Digital to Analog Converter
+ o Switch - An analog switch
+ o Input - A codec input pin
+ o Output - A codec output pin
+ o Headphone - Headphone (and optional Jack)
+ o Mic - Mic (and optional Jack)
+ o Line - Line Input/Output (and optional Jack)
+ o Speaker - Speaker
+ o Pre - Special PRE widget (exec before all others)
+ o Post - Special POST widget (exec after all others)
+
+(Widgets are defined in include/sound/soc-dapm.h)
+
+Widgets are usually added in the codec driver and the machine driver. There are
+convience macros defined in soc-dapm.h that can be used to quickly build a
+list of widgets of the codecs and machines DAPM widgets.
+
+Most widgets have a name, register, shift and invert. Some widgets have extra
+parameters for stream name and kcontrols.
+
+
+2.1 Stream Domain Widgets
+-------------------------
+
+Stream Widgets relate to the stream power domain and only consist of ADC's
+(analog to digital converters) and DAC's (digital to analog converters).
+
+Stream widgets have the following format:-
+
+SND_SOC_DAPM_DAC(name, stream name, reg, shift, invert),
+
+NOTE: the stream name must match the corresponding stream name in your codecs
+snd_soc_codec_dai.
+
+e.g. stream widgets for HiFi playback and capture
+
+SND_SOC_DAPM_DAC("HiFi DAC", "HiFi Playback", REG, 3, 1),
+SND_SOC_DAPM_ADC("HiFi ADC", "HiFi Capture", REG, 2, 1),
+
+
+2.2 Path Domain Widgets
+-----------------------
+
+Path domain widgets have a ability to control or effect the audio signal or
+audio paths within the audio subsystem. They have the following form:-
+
+SND_SOC_DAPM_PGA(name, reg, shift, invert, controls, num_controls)
+
+Any widget kcontrols can be set using the controls and num_controls members.
+
+e.g. Mixer widget (the kcontrols are declared first)
+
+/* Output Mixer */
+static const snd_kcontrol_new_t wm8731_output_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8731_APANA, 3, 1, 0),
+SOC_DAPM_SINGLE("Mic Sidetone Switch", WM8731_APANA, 5, 1, 0),
+SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0),
+};
+
+SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, wm8731_output_mixer_controls,
+ ARRAY_SIZE(wm8731_output_mixer_controls)),
+
+
+2.3 Platform/Machine domain Widgets
+-----------------------------------
+
+Machine widgets are different from codec widgets in that they don't have a
+codec register bit associated with them. A machine widget is assigned to each
+machine audio component (non codec) that can be independently powered. e.g.
+
+ o Speaker Amp
+ o Microphone Bias
+ o Jack connectors
+
+A machine widget can have an optional call back.
+
+e.g. Jack connector widget for an external Mic that enables Mic Bias
+when the Mic is inserted:-
+
+static int spitz_mic_bias(struct snd_soc_dapm_widget* w, int event)
+{
+ if(SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_MIC_BIAS);
+ else
+ reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_MIC_BIAS);
+
+ return 0;
+}
+
+SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
+
+
+2.4 Codec Domain
+----------------
+
+The Codec power domain has no widgets and is handled by the codecs DAPM event
+handler. This handler is called when the codec powerstate is changed wrt to any
+stream event or by kernel PM events.
+
+
+2.5 Virtual Widgets
+-------------------
+
+Sometimes widgets exist in the codec or machine audio map that don't have any
+corresponding register bit for power control. In this case it's necessary to
+create a virtual widget - a widget with no control bits e.g.
+
+SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_DAPM_NOPM, 0, 0, NULL, 0),
+
+This can be used to merge to signal paths together in software.
+
+After all the widgets have been defined, they can then be added to the DAPM
+subsystem individually with a call to snd_soc_dapm_new_control().
+
+
+3. Codec Widget Interconnections
+================================
+
+Widgets are connected to each other within the codec and machine by audio
+paths (called interconnections). Each interconnection must be defined in order
+to create a map of all audio paths between widgets.
+This is easiest with a diagram of the codec (and schematic of the machine audio
+system), as it requires joining widgets together via their audio signal paths.
+
+i.e. from the WM8731 codec's output mixer (wm8731.c)
+
+The WM8731 output mixer has 3 inputs (sources)
+
+ 1. Line Bypass Input
+ 2. DAC (HiFi playback)
+ 3. Mic Sidetone Input
+
+Each input in this example has a kcontrol associated with it (defined in example
+above) and is connected to the output mixer via it's kcontrol name. We can now
+connect the destination widget (wrt audio signal) with it's source widgets.
+
+ /* output mixer */
+ {"Output Mixer", "Line Bypass Switch", "Line Input"},
+ {"Output Mixer", "HiFi Playback Switch", "DAC"},
+ {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
+
+So we have :-
+
+ Destination Widget <=== Path Name <=== Source Widget
+
+Or:-
+
+ Sink, Path, Source
+
+Or :-
+
+ "Output Mixer" is connected to the "DAC" via the "HiFi Playback Switch".
+
+When there is no path name connecting widgets (e.g. a direct connection) we
+pass NULL for the path name.
+
+Interconnections are created with a call to:-
+
+snd_soc_dapm_connect_input(codec, sink, path, source);
+
+Finally, snd_soc_dapm_new_widgets(codec) must be called after all widgets and
+interconnections have been registered with the core. This causes the core to
+scan the codec and machine so that the internal DAPM state matches the
+physical state of the machine.
+
+
+3.1 Machine Widget Interconnections
+-----------------------------------
+Machine widget interconnections are created in the same way as codec ones and
+directly connect the codec pins to machine level widgets.
+
+e.g. connects the speaker out codec pins to the internal speaker.
+
+ /* ext speaker connected to codec pins LOUT2, ROUT2 */
+ {"Ext Spk", NULL , "ROUT2"},
+ {"Ext Spk", NULL , "LOUT2"},
+
+This allows the DAPM to power on and off pins that are connected (and in use)
+and pins that are NC respectively.
+
+
+4 Endpoint Widgets
+===================
+An endpoint is a start or end point (widget) of an audio signal within the
+machine and includes the codec. e.g.
+
+ o Headphone Jack
+ o Internal Speaker
+ o Internal Mic
+ o Mic Jack
+ o Codec Pins
+
+When a codec pin is NC it can be marked as not used with a call to
+
+snd_soc_dapm_set_endpoint(codec, "Widget Name", 0);
+
+The last argument is 0 for inactive and 1 for active. This way the pin and its
+input widget will never be powered up and consume power.
+
+This also applies to machine widgets. e.g. if a headphone is connected to a
+jack then the jack can be marked active. If the headphone is removed, then
+the headphone jack can be marked inactive.
+
+
+5 DAPM Widget Events
+====================
+
+Some widgets can register their interest with the DAPM core in PM events.
+e.g. A Speaker with an amplifier registers a widget so the amplifier can be
+powered only when the spk is in use.
+
+/* turn speaker amplifier on/off depending on use */
+static int corgi_amp_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
+ else
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
+
+ return 0;
+}
+
+/* corgi machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8731_dapm_widgets =
+ SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event);
+
+Please see soc-dapm.h for all other widgets that support events.
+
+
+5.1 Event types
+---------------
+
+The following event types are supported by event widgets.
+
+/* dapm event types */
+#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */
+#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */
+#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */
+#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */
+#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */
+#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */
Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/machine.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/machine.txt
@@ -0,0 +1,114 @@
+ASoC Machine Driver
+===================
+
+The ASoC machine (or board) driver is the code that glues together the platform
+and codec drivers.
+
+The machine driver can contain codec and platform specific code. It registers
+the audio subsystem with the kernel as a platform device and is represented by
+the following struct:-
+
+/* SoC machine */
+struct snd_soc_machine {
+ char *name;
+
+ int (*probe)(struct platform_device *pdev);
+ int (*remove)(struct platform_device *pdev);
+
+ /* the pre and post PM functions are used to do any PM work before and
+ * after the codec and DAI's do any PM work. */
+ int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
+ int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
+ int (*resume_pre)(struct platform_device *pdev);
+ int (*resume_post)(struct platform_device *pdev);
+
+ /* machine stream operations */
+ struct snd_soc_ops *ops;
+
+ /* CPU <--> Codec DAI links */
+ struct snd_soc_dai_link *dai_link;
+ int num_links;
+};
+
+probe()/remove()
+----------------
+probe/remove are optional. Do any machine specific probe here.
+
+
+suspend()/resume()
+------------------
+The machine driver has pre and post versions of suspend and resume to take care
+of any machine audio tasks that have to be done before or after the codec, DAI's
+and DMA is suspended and resumed. Optional.
+
+
+Machine operations
+------------------
+The machine specific audio operations can be set here. Again this is optional.
+
+
+Machine DAI Configuration
+-------------------------
+The machine DAI configuration glues all the codec and CPU DAI's together. It can
+also be used to set up the DAI system clock and for any machine related DAI
+initialisation e.g. the machine audio map can be connected to the codec audio
+map, unconnnected codec pins can be set as such. Please see corgi.c, spitz.c
+for examples.
+
+struct snd_soc_dai_link is used to set up each DAI in your machine. e.g.
+
+/* corgi digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link corgi_dai = {
+ .name = "WM8731",
+ .stream_name = "WM8731",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8731_dai,
+ .init = corgi_wm8731_init,
+ .config_sysclk = corgi_config_sysclk,
+};
+
+struct snd_soc_machine then sets up the machine with it's DAI's. e.g.
+
+/* corgi audio machine driver */
+static struct snd_soc_machine snd_soc_machine_corgi = {
+ .name = "Corgi",
+ .dai_link = &corgi_dai,
+ .num_links = 1,
+ .ops = &corgi_ops,
+};
+
+
+Machine Audio Subsystem
+-----------------------
+
+The machine soc device glues the platform, machine and codec driver together.
+Private data can also be set here. e.g.
+
+/* corgi audio private data */
+static struct wm8731_setup_data corgi_wm8731_setup = {
+ .i2c_address = 0x1b,
+};
+
+/* corgi audio subsystem */
+static struct snd_soc_device corgi_snd_devdata = {
+ .machine = &snd_soc_machine_corgi,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8731,
+ .codec_data = &corgi_wm8731_setup,
+};
+
+
+Machine Power Map
+-----------------
+
+The machine driver can optionally extend the codec power map and to become an
+audio power map of the audio subsystem. This allows for automatic power up/down
+of speaker/HP amplifiers, etc. Codec pins can be connected to the machines jack
+sockets in the machine init function. See soc/pxa/spitz.c and dapm.txt for
+details.
+
+
+Machine Controls
+----------------
+
+Machine specific audio mixer controls can be added in the dai init function.
\ No newline at end of file
Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/overview.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/overview.txt
@@ -0,0 +1,83 @@
+ALSA SoC Layer
+==============
+
+The overall project goal of the ALSA System on Chip (ASoC) layer is to provide
+better ALSA support for embedded system on chip procesors (e.g. pxa2xx, au1x00,
+iMX, etc) and portable audio codecs. Currently there is some support in the
+kernel for SoC audio, however it has some limitations:-
+
+ * Currently, codec drivers are often tightly coupled to the underlying SoC
+ cpu. This is not ideal and leads to code duplication i.e. Linux now has 4
+ different wm8731 drivers for 4 different SoC platforms.
+
+ * There is no standard method to signal user initiated audio events.
+ e.g. Headphone/Mic insertion, Headphone/Mic detection after an insertion
+ event. These are quite common events on portable devices and ofter require
+ machine specific code to re route audio, enable amps etc after such an event.
+
+ * Current drivers tend to power up the entire codec when playing
+ (or recording) audio. This is fine for a PC, but tends to waste a lot of
+ power on portable devices. There is also no support for saving power via
+ changing codec oversampling rates, bias currents, etc.
+
+
+ASoC Design
+===========
+
+The ASoC layer is designed to address these issues and provide the following
+features :-
+
+ * Codec independence. Allows reuse of codec drivers on other platforms
+ and machines.
+
+ * Easy I2S/PCM audio interface setup between codec and SoC. Each SoC interface
+ and codec registers it's audio interface capabilities with the core and are
+ subsequently matched and configured when the application hw params are known.
+
+ * Dynamic Audio Power Management (DAPM). DAPM automatically sets the codec to
+ it's minimum power state at all times. This includes powering up/down
+ internal power blocks depending on the internal codec audio routing and any
+ active streams.
+
+ * Pop and click reduction. Pops and clicks can be reduced by powering the
+ codec up/down in the correct sequence (including using digital mute). ASoC
+ signals the codec when to change power states.
+
+ * Machine specific controls: Allow machines to add controls to the sound card
+ e.g. volume control for speaker amp.
+
+To achieve all this, ASoC basically splits an embedded audio system into 3
+components :-
+
+ * Codec driver: The codec driver is platform independent and contains audio
+ controls, audio interface capabilities, codec dapm definition and codec IO
+ functions.
+
+ * Platform driver: The platform driver contains the audio dma engine and audio
+ interface drivers (e.g. I2S, AC97, PCM) for that platform.
+
+ * Machine driver: The machine driver handles any machine specific controls and
+ audio events. i.e. turing on an amp at start of playback.
+
+
+Documentation
+=============
+
+The documentation is spilt into the following sections:-
+
+overview.txt: This file.
+
+codec.txt: Codec driver internals.
+
+DAI.txt: Description of Digital Audio Interface standards and how to configure
+a DAI within your codec and CPU DAI drivers.
+
+dapm.txt: Dynamic Audio Power Management
+
+platform.txt: Platform audio DMA and DAI.
+
+machine.txt: Machine driver internals.
+
+pop_clicks.txt: How to minimise audio artifacts.
+
+clocking.txt: ASoC clocking for best power performance.
\ No newline at end of file
Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/platform.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/platform.txt
@@ -0,0 +1,58 @@
+ASoC Platform Driver
+====================
+
+An ASoC platform driver can be divided into audio DMA and SoC DAI configuration
+and control. The platform drivers only target the SoC CPU and must have no board
+specific code.
+
+Audio DMA
+=========
+
+The platform DMA driver optionally supports the following alsa operations:-
+
+/* SoC audio ops */
+struct snd_soc_ops {
+ int (*startup)(snd_pcm_substream_t *);
+ void (*shutdown)(snd_pcm_substream_t *);
+ int (*hw_params)(snd_pcm_substream_t *, snd_pcm_hw_params_t *);
+ int (*hw_free)(snd_pcm_substream_t *);
+ int (*prepare)(snd_pcm_substream_t *);
+ int (*trigger)(snd_pcm_substream_t *, int);
+};
+
+The platform driver exports it's DMA functionailty via struct snd_soc_platform:-
+
+struct snd_soc_platform {
+ char *name;
+
+ int (*probe)(struct platform_device *pdev);
+ int (*remove)(struct platform_device *pdev);
+ int (*suspend)(struct platform_device *pdev, struct snd_soc_cpu_dai *cpu_dai);
+ int (*resume)(struct platform_device *pdev, struct snd_soc_cpu_dai *cpu_dai);
+
+ /* pcm creation and destruction */
+ int (*pcm_new)(snd_card_t *, struct snd_soc_codec_dai *, snd_pcm_t *);
+ void (*pcm_free)(snd_pcm_t *);
+
+ /* platform stream ops */
+ snd_pcm_ops_t *pcm_ops;
+};
+
+Please refer to the alsa driver documentation for details of audio DMA.
+http://www.alsa-project.org/~iwai/writing-an-alsa-driver/c436.htm
+
+An example DMA driver is soc/pxa/pxa2xx-pcm.c
+
+
+SoC DAI Drivers
+===============
+
+Each SoC DAI driver must provide the following features:-
+
+ 1) Digital audio interface (DAI) description
+ 2) Digital audio interface configuration
+ 3) PCM's description
+ 4) Sysclk configuration
+ 5) Suspend and resume (optional)
+
+Please see codec.txt for a description of items 1 - 4.
Index: linux-2.6-pxa-new/Documentation/sound/alsa/soc/pops_clicks.txt
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/Documentation/sound/alsa/soc/pops_clicks.txt
@@ -0,0 +1,52 @@
+Audio Pops and Clicks
+=====================
+
+Pops and clicks are unwanted audio artifacts caused by the powering up and down
+of components within the audio subsystem. This is noticable on PC's when an audio
+module is either loaded or unloaded (at module load time the sound card is
+powered up and causes a popping noise on the speakers).
+
+Pops and clicks can be more frequent on portable systems with DAPM. This is because
+the components within the subsystem are being dynamically powered depending on
+the audio usage and this can subsequently cause a small pop or click every time a
+component power state is changed.
+
+
+Minimising Playback Pops and Clicks
+===================================
+
+Playback pops in portable audio subsystems cannot be completely eliminated atm,
+however future audio codec hardware will have better pop and click supression.
+Pops can be reduced within playback by powering the audio components in a
+specific order. This order is different for startup and shutdown and follows
+some basic rules:-
+
+ Startup Order :- DAC --> Mixers --> Output PGA --> Digital Unmute
+
+ Shutdown Order :- Digital Mute --> Output PGA --> Mixers --> DAC
+
+This assumes that the codec PCM output path from the DAC is via a mixer and then
+a PGA (programmable gain amplifier) before being output to the speakers.
+
+
+Minimising Capture Pops and Clicks
+==================================
+
+Capture artifacts are somewhat easier to get rid as we can delay activating the
+ADC until all the pops have occured. This follows similar power rules to
+playback in that components are powered in a sequence depending upon stream
+startup or shutdown.
+
+ Startup Order - Input PGA --> Mixers --> ADC
+
+ Shutdown Order - ADC --> Mixers --> Input PGA
+
+
+Zipper Noise
+============
+An unwanted zipper noise can occur within the audio playback or capture stream
+when a volume control is changed near its maximum gain value. The zipper noise
+is heard when the gain increase or decrease changes the mean audio signal
+amplitude too quickly. It can be minimised by enabling the zero cross setting
+for each volume control. The ZC forces the gain change to occur when the signal
+crosses the zero amplitude line.
Index: linux-2.6-pxa-new/include/sound/ac97_codec.h
===================================================================
--- linux-2.6-pxa-new.orig/include/sound/ac97_codec.h
+++ linux-2.6-pxa-new/include/sound/ac97_codec.h
@@ -425,6 +425,7 @@ struct snd_ac97_build_ops {
struct snd_ac97_bus_ops {
void (*reset) (struct snd_ac97 *ac97);
+ void (*warm_reset)(struct snd_ac97 *ac97);
void (*write) (struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
unsigned short (*read) (struct snd_ac97 *ac97, unsigned short reg);
void (*wait) (struct snd_ac97 *ac97);
Index: linux-2.6-pxa-new/include/sound/soc-dapm.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/include/sound/soc-dapm.h
@@ -0,0 +1,286 @@
+/*
+ * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management
+ *
+ * Author: Liam Girdwood
+ * Created: Aug 11th 2005
+ * Copyright: Wolfson Microelectronics. PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_SOC_DAPM_H
+#define __LINUX_SND_SOC_DAPM_H
+
+#include <linux/device.h>
+#include <linux/types.h>
+#include <sound/control.h>
+#include <sound/soc.h>
+
+/* widget has no PM register bit */
+#define SND_SOC_NOPM -1
+
+/*
+ * SoC dynamic audio power managment
+ *
+ * We can have upto 4 power domains
+ * 1. Codec domain - VREF, VMID
+ * Usually controlled at codec probe/remove, although can be set
+ * at stream time if power is not needed for sidetone, etc.
+ * 2. Platform/Machine domain - physically connected inputs and outputs
+ * Is platform/machine and user action specific, is set in the machine
+ * driver and by userspace e.g when HP are inserted
+ * 3. Path domain - Internal codec path mixers
+ * Are automatically set when mixer and mux settings are
+ * changed by the user.
+ * 4. Stream domain - DAC's and ADC's.
+ * Enabled when stream playback/capture is started.
+ */
+
+/* codec domain */
+#define SND_SOC_DAPM_VMID(wname) \
+{ .id = snd_soc_dapm_vmid, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0}
+
+/* platform domain */
+#define SND_SOC_DAPM_INPUT(wname) \
+{ .id = snd_soc_dapm_input, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0}
+#define SND_SOC_DAPM_OUTPUT(wname) \
+{ .id = snd_soc_dapm_output, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0}
+#define SND_SOC_DAPM_MIC(wname, wevent) \
+{ .id = snd_soc_dapm_mic, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0, .event = wevent, \
+ .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD}
+#define SND_SOC_DAPM_HP(wname, wevent) \
+{ .id = snd_soc_dapm_hp, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0, .event = wevent, \
+ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
+#define SND_SOC_DAPM_SPK(wname, wevent) \
+{ .id = snd_soc_dapm_spk, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0, .event = wevent, \
+ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
+#define SND_SOC_DAPM_LINE(wname, wevent) \
+{ .id = snd_soc_dapm_line, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0, .event = wevent, \
+ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
+
+/* path domain */
+#define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\
+ wcontrols, wncontrols) \
+{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols}
+#define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \
+ wcontrols, wncontrols)\
+{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols}
+#define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \
+{ .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = NULL, .num_kcontrols = 0}
+#define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \
+{ .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1}
+#define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \
+{ .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1}
+
+/* path domain with event - event handler must return 0 for success */
+#define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \
+ wncontrols, wevent, wflags) \
+{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols, \
+ .event = wevent, .event_flags = wflags}
+#define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \
+ wncontrols, wevent, wflags) \
+{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols, \
+ .event = wevent, .event_flags = wflags}
+#define SND_SOC_DAPM_MICBIAS_E(wname, wreg, wshift, winvert, wevent, wflags) \
+{ .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = NULL, .num_kcontrols = 0, \
+ .event = wevent, .event_flags = wflags}
+#define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \
+ wevent, wflags) \
+{ .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1 \
+ .event = wevent, .event_flags = wflags}
+#define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \
+ wevent, wflags) \
+{ .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1, \
+ .event = wevent, .event_flags = wflags}
+
+/* events that are pre and post DAPM */
+#define SND_SOC_DAPM_PRE(wname, wevent) \
+{ .id = snd_soc_dapm_pre, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0, .event = wevent, \
+ .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD}
+#define SND_SOC_DAPM_POST(wname, wevent) \
+{ .id = snd_soc_dapm_post, .name = wname, .kcontrols = NULL, \
+ .num_kcontrols = 0, .event = wevent, \
+ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD}
+
+/* stream domain */
+#define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \
+{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \
+ .shift = wshift, .invert = winvert}
+#define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \
+{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
+ .shift = wshift, .invert = winvert}
+
+/* dapm kcontrol types */
+#define SOC_DAPM_SINGLE(xname, reg, shift, mask, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_volsw, \
+ .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
+ .private_value = SOC_SINGLE_VALUE(reg, shift, mask, invert) }
+#define SOC_DAPM_DOUBLE(xname, reg, shift_left, shift_right, mask, invert, \
+ power) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = snd_soc_info_volsw, \
+ .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
+ .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) |\
+ ((mask) << 16) | ((invert) << 24) }
+#define SOC_DAPM_ENUM(xname, xenum) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_enum_double, \
+ .get = snd_soc_dapm_get_enum_double, \
+ .put = snd_soc_dapm_put_enum_double, \
+ .private_value = (unsigned long)&xenum }
+
+/* dapm stream operations */
+#define SND_SOC_DAPM_STREAM_NOP 0x0
+#define SND_SOC_DAPM_STREAM_START 0x1
+#define SND_SOC_DAPM_STREAM_STOP 0x2
+#define SND_SOC_DAPM_STREAM_SUSPEND 0x4
+#define SND_SOC_DAPM_STREAM_RESUME 0x8
+#define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10
+#define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20
+
+/* dapm event types */
+#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */
+#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */
+#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */
+#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */
+#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */
+#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */
+
+/* convenience event type detection */
+#define SND_SOC_DAPM_EVENT_ON(e) \
+ (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU))
+#define SND_SOC_DAPM_EVENT_OFF(e) \
+ (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD))
+
+struct snd_soc_dapm_widget;
+enum snd_soc_dapm_type;
+struct snd_soc_dapm_path;
+struct snd_soc_dapm_pin;
+
+/* dapm controls */
+int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_dapm_new_control(struct snd_soc_codec *codec,
+ const struct snd_soc_dapm_widget *widget);
+
+/* dapm path setup */
+int snd_soc_dapm_connect_input(struct snd_soc_codec *codec,
+ const char *sink_name, const char *control_name, const char *src_name);
+int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec);
+void snd_soc_dapm_free(struct snd_soc_device *socdev);
+
+/* dapm events */
+int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, char *stream,
+ int event);
+
+/* dapm sys fs - used by the core */
+int snd_soc_dapm_sys_add(struct device *dev);
+
+/* dapm audio endpoint control */
+int snd_soc_dapm_set_endpoint(struct snd_soc_codec *codec,
+ char *pin, int status);
+int snd_soc_dapm_sync_endpoints(struct snd_soc_codec *codec);
+
+/* dapm widget types */
+enum snd_soc_dapm_type {
+ snd_soc_dapm_input = 0, /* input pin */
+ snd_soc_dapm_output, /* output pin */
+ snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */
+ snd_soc_dapm_mixer, /* mixes several analog signals together */
+ snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */
+ snd_soc_dapm_adc, /* analog to digital converter */
+ snd_soc_dapm_dac, /* digital to analog converter */
+ snd_soc_dapm_micbias, /* microphone bias (power) */
+ snd_soc_dapm_mic, /* microphone */
+ snd_soc_dapm_hp, /* headphones */
+ snd_soc_dapm_spk, /* speaker */
+ snd_soc_dapm_line, /* line input/output */
+ snd_soc_dapm_switch, /* analog switch */
+ snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */
+ snd_soc_dapm_pre, /* machine specific pre widget - exec first */
+ snd_soc_dapm_post, /* machine specific post widget - exec last */
+};
+
+/* dapm audio path between two widgets */
+struct snd_soc_dapm_path {
+ char *name;
+ char *long_name;
+
+ /* source (input) and sink (output) widgets */
+ struct snd_soc_dapm_widget *source;
+ struct snd_soc_dapm_widget *sink;
+ struct snd_kcontrol *kcontrol;
+
+ /* status */
+ u32 connect:1; /* source and sink widgets are connected */
+ u32 walked:1; /* path has been walked */
+
+ struct list_head list_source;
+ struct list_head list_sink;
+ struct list_head list;
+};
+
+/* dapm widget */
+struct snd_soc_dapm_widget {
+ enum snd_soc_dapm_type id;
+ char *name; /* widget name */
+ char *sname; /* stream name */
+ struct snd_soc_codec *codec;
+ struct list_head list;
+
+ /* dapm control */
+ short reg; /* negative reg = no direct dapm */
+ unsigned char shift; /* bits to shift */
+ unsigned int saved_value; /* widget saved value */
+ unsigned int value; /* widget current value */
+ unsigned char power:1; /* block power status */
+ unsigned char invert:1; /* invert the power bit */
+ unsigned char active:1; /* active stream on DAC, ADC's */
+ unsigned char connected:1; /* connected codec pin */
+ unsigned char new:1; /* cnew complete */
+ unsigned char ext:1; /* has external widgets */
+ unsigned char muted:1; /* muted for pop reduction */
+ unsigned char suspend:1; /* was active before suspend */
+ unsigned char pmdown:1; /* waiting for timeout */
+
+ /* external events */
+ unsigned short event_flags; /* flags to specify event types */
+ int (*event)(struct snd_soc_dapm_widget*, int);
+
+ /* kcontrols that relate to this widget */
+ int num_kcontrols;
+ const struct snd_kcontrol_new *kcontrols;
+
+ /* widget input and outputs */
+ struct list_head sources;
+ struct list_head sinks;
+};
+
+#endif
Index: linux-2.6-pxa-new/include/sound/soc.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/include/sound/soc.h
@@ -0,0 +1,487 @@
+/*
+ * linux/sound/soc.h -- ALSA SoC Layer
+ *
+ * Author: Liam Girdwood
+ * Created: Aug 11th 2005
+ * Copyright: Wolfson Microelectronics. PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_SOC_H
+#define __LINUX_SND_SOC_H
+
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/control.h>
+#include <sound/ac97_codec.h>
+
+#define SND_SOC_VERSION "0.12.4"
+
+/*
+ * Convenience kcontrol builders
+ */
+#define SOC_SINGLE_VALUE(reg,shift,mask,invert) ((reg) | ((shift) << 8) |\
+ ((shift) << 12) | ((mask) << 16) | ((invert) << 24))
+#define SOC_SINGLE_VALUE_EXT(reg,mask,invert) ((reg) | ((mask) << 16) |\
+ ((invert) << 31))
+#define SOC_SINGLE(xname, reg, shift, mask, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
+ .put = snd_soc_put_volsw, \
+ .private_value = SOC_SINGLE_VALUE(reg, shift, mask, invert) }
+#define SOC_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
+ .put = snd_soc_put_volsw, \
+ .private_value = (reg) | ((shift_left) << 8) | \
+ ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
+#define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, mask, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = snd_soc_info_volsw_2r, \
+ .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
+ .private_value = (reg_left) | ((shift) << 8) | \
+ ((mask) << 12) | ((invert) << 20) | ((reg_right) << 24) }
+#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \
+{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
+ .mask = xmask, .texts = xtexts }
+#define SOC_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \
+ SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts)
+#define SOC_ENUM_SINGLE_EXT(xmask, xtexts) \
+{ .mask = xmask, .texts = xtexts }
+#define SOC_ENUM(xname, xenum) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
+ .info = snd_soc_info_enum_double, \
+ .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
+ .private_value = (unsigned long)&xenum }
+#define SOC_SINGLE_EXT(xname, xreg, xmask, xinvert,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_volsw_ext, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = SOC_SINGLE_VALUE_EXT(xreg, xmask, xinvert) }
+#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_bool_ext, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = xdata }
+#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_enum_ext, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&xenum }
+
+/*
+ * Digital Audio Interface (DAI) types
+ */
+#define SND_SOC_DAI_AC97 0x1
+#define SND_SOC_DAI_I2S 0x2
+#define SND_SOC_DAI_PCM 0x4
+
+/*
+ * DAI hardware audio formats
+ */
+#define SND_SOC_DAIFMT_I2S (1 << 0) /* I2S mode */
+#define SND_SOC_DAIFMT_RIGHT_J (1 << 1) /* Right justified mode */
+#define SND_SOC_DAIFMT_LEFT_J (1 << 2) /* Left Justified mode */
+#define SND_SOC_DAIFMT_DSP_A (1 << 3) /* L data msb after FRM or LRC */
+#define SND_SOC_DAIFMT_DSP_B (1 << 4) /* L data msb during FRM or LRC */
+#define SND_SOC_DAIFMT_AC97 (1 << 5) /* AC97 */
+
+/*
+ * DAI hardware signal inversions
+ */
+#define SND_SOC_DAIFMT_NB_NF (1 << 8) /* normal bit clock + frame */
+#define SND_SOC_DAIFMT_NB_IF (1 << 9) /* normal bclk + inv frm */
+#define SND_SOC_DAIFMT_IB_NF (1 << 10) /* invert bclk + nor frm */
+#define SND_SOC_DAIFMT_IB_IF (1 << 11) /* invert bclk + frm */
+
+/*
+ * DAI hardware clock masters
+ * This is wrt the codec, the inverse is true for the interface
+ * i.e. if the codec is clk and frm master then the interface is
+ * clk and frame slave.
+ */
+#define SND_SOC_DAIFMT_CBM_CFM (1 << 12) /* codec clk & frm master */
+#define SND_SOC_DAIFMT_CBS_CFM (1 << 13) /* codec clk slave & frm master */
+#define SND_SOC_DAIFMT_CBM_CFS (1 << 14) /* codec clk master & frame slave */
+#define SND_SOC_DAIFMT_CBS_CFS (1 << 15) /* codec clk & frm slave */
+
+#define SND_SOC_DAIFMT_FORMAT_MASK 0x00ff
+#define SND_SOC_DAIFMT_INV_MASK 0x0f00
+#define SND_SOC_DAIFMT_CLOCK_MASK 0xf000
+
+/*
+ * DAI hardware audio direction
+ */
+#define SND_SOC_DAIDIR_PLAYBACK 0x1
+#define SND_SOC_DAIDIR_CAPTURE 0x2
+
+/*
+ * DAI hardware Time Division Multiplexing (TDM) Slots
+ * Left and Right data word positions
+ * This is measured in words (sample size) and not bits.
+ */
+#define SND_SOC_DAITDM_LRDW(l,r) ((l << 8) | r)
+
+/*
+ * DAI hardware clock ratios
+ * bit clock can either be a generated by dividing mclk or
+ * by multiplying sample rate, hence there are 2 definitions below
+ * depending on codec type.
+ */
+/* ratio of sample rate to mclk/sysclk */
+#define SND_SOC_FS_ALL 0xffff /* all mclk supported */
+
+/* bit clock dividers */
+#define SND_SOC_FSBD(x) (1 << (x - 1)) /* ratio mclk:bclk */
+#define SND_SOC_FSBD_REAL(x) (ffs(x))
+
+/* bit clock ratio to (sample rate * channels * word size) */
+#define SND_SOC_FSBW(x) (1 << (x - 1))
+#define SND_SOC_FSBW_REAL(x) (ffs(x))
+/* all bclk ratios supported */
+#define SND_SOC_FSB_ALL ~0ULL
+
+/*
+ * DAI hardware flags
+ */
+/* use bfs mclk divider mode (BCLK = MCLK / x) */
+#define SND_SOC_DAI_BFS_DIV 0x1
+/* use bfs rate mulitplier (BCLK = RATE * x)*/
+#define SND_SOC_DAI_BFS_RATE 0x2
+/* use bfs rcw multiplier (BCLK = RATE * CHN * WORD SIZE) */
+#define SND_SOC_DAI_BFS_RCW 0x4
+/* capture and playback can use different clocks */
+#define SND_SOC_DAI_ASYNC 0x8
+/* can use gated BCLK */
+#define SND_SOC_DAI_GATED 0x10
+
+/*
+ * AC97 codec ID's bitmask
+ */
+#define SND_SOC_DAI_AC97_ID0 (1 << 0)
+#define SND_SOC_DAI_AC97_ID1 (1 << 1)
+#define SND_SOC_DAI_AC97_ID2 (1 << 2)
+#define SND_SOC_DAI_AC97_ID3 (1 << 3)
+
+struct snd_soc_device;
+struct snd_soc_pcm_stream;
+struct snd_soc_ops;
+struct snd_soc_dai_mode;
+struct snd_soc_pcm_runtime;
+struct snd_soc_codec_dai;
+struct snd_soc_cpu_dai;
+struct snd_soc_codec;
+struct snd_soc_machine_config;
+struct soc_enum;
+struct snd_soc_ac97_ops;
+struct snd_soc_clock_info;
+
+typedef int (*hw_write_t)(void *,const char* ,int);
+typedef int (*hw_read_t)(void *,char* ,int);
+
+extern struct snd_ac97_bus_ops soc_ac97_ops;
+
+/* pcm <-> DAI connect */
+void snd_soc_free_pcms(struct snd_soc_device *socdev);
+int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
+int snd_soc_register_card(struct snd_soc_device *socdev);
+
+/* set runtime hw params */
+int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
+ const struct snd_pcm_hardware *hw);
+int snd_soc_get_rate(int rate);
+
+/* codec IO */
+#define snd_soc_read(codec, reg) codec->read(codec, reg)
+#define snd_soc_write(codec, reg, value) codec->write(codec, reg, value)
+
+/* codec register bit access */
+int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
+ unsigned short mask, unsigned short value);
+int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
+ unsigned short mask, unsigned short value);
+
+int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
+ struct snd_ac97_bus_ops *ops, int num);
+void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
+
+/*
+ *Controls
+ */
+struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
+ void *data, char *long_name);
+int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_info_bool_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+
+/* SoC PCM stream information */
+struct snd_soc_pcm_stream {
+ char *stream_name;
+ unsigned int rate_min; /* min rate */
+ unsigned int rate_max; /* max rate */
+ unsigned int channels_min; /* min channels */
+ unsigned int channels_max; /* max channels */
+ unsigned int active:1; /* stream is in use */
+};
+
+/* SoC audio ops */
+struct snd_soc_ops {
+ int (*startup)(struct snd_pcm_substream *);
+ void (*shutdown)(struct snd_pcm_substream *);
+ int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
+ int (*hw_free)(struct snd_pcm_substream *);
+ int (*prepare)(struct snd_pcm_substream *);
+ int (*trigger)(struct snd_pcm_substream *, int);
+};
+
+/* SoC DAI hardware mode */
+struct snd_soc_dai_mode {
+ u16 fmt; /* SND_SOC_DAIFMT_* */
+ u16 tdm; /* SND_SOC_HWTDM_* */
+ u64 pcmfmt; /* SNDRV_PCM_FMTBIT_* */
+ u16 pcmrate; /* SND_SOC_HWRATE_* */
+ u16 pcmdir:2; /* SND_SOC_HWDIR_* */
+ u16 flags:8; /* hw flags */
+ u16 fs; /* mclk to rate divider */
+ u64 bfs; /* mclk to bclk dividers */
+ unsigned long priv; /* private mode data */
+};
+
+/* DAI capabilities */
+struct snd_soc_dai_cap {
+ int num_modes; /* number of DAI modes */
+ struct snd_soc_dai_mode *mode; /* array of supported DAI modes */
+};
+
+/* SoC Codec DAI */
+struct snd_soc_codec_dai {
+ char *name;
+ int id;
+
+ /* DAI capabilities */
+ struct snd_soc_pcm_stream playback;
+ struct snd_soc_pcm_stream capture;
+ struct snd_soc_dai_cap caps;
+
+ /* DAI runtime info */
+ struct snd_soc_dai_mode dai_runtime;
+ struct snd_soc_ops ops;
+ unsigned int (*config_sysclk)(struct snd_soc_codec_dai*,
+ struct snd_soc_clock_info *info, unsigned int clk);
+ int (*digital_mute)(struct snd_soc_codec *,
+ struct snd_soc_codec_dai*, int);
+ unsigned int mclk; /* the audio master clock */
+ unsigned int pll_in; /* the PLL input clock */
+ unsigned int pll_out; /* the PLL output clock */
+ unsigned int clk_div; /* internal clock divider << 1 (for fractions) */
+ unsigned int active;
+ unsigned char pop_wait:1;
+
+ /* DAI private data */
+ void *private_data;
+};
+
+/* SoC CPU DAI */
+struct snd_soc_cpu_dai {
+
+ /* DAI description */
+ char *name;
+ unsigned int id;
+ unsigned char type;
+
+ /* DAI callbacks */
+ int (*probe)(struct platform_device *pdev);
+ void (*remove)(struct platform_device *pdev);
+ int (*suspend)(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *cpu_dai);
+ int (*resume)(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *cpu_dai);
+ unsigned int (*config_sysclk)(struct snd_soc_cpu_dai *cpu_dai,
+ struct snd_soc_clock_info *info, unsigned int clk);
+
+ /* DAI capabilities */
+ struct snd_soc_pcm_stream capture;
+ struct snd_soc_pcm_stream playback;
+ struct snd_soc_dai_cap caps;
+
+ /* DAI runtime info */
+ struct snd_soc_dai_mode dai_runtime;
+ struct snd_soc_ops ops;
+ struct snd_pcm_runtime *runtime;
+ unsigned char active:1;
+ unsigned int mclk;
+ void *dma_data;
+
+ /* DAI private data */
+ void *private_data;
+};
+
+/* SoC Audio Codec */
+struct snd_soc_codec {
+ char *name;
+ struct module *owner;
+ struct mutex mutex;
+
+ /* callbacks */
+ int (*dapm_event)(struct snd_soc_codec *codec, int event);
+
+ /* runtime */
+ struct snd_card *card;
+ struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
+ unsigned int active;
+ unsigned int pcm_devs;
+ void *private_data;
+
+ /* codec IO */
+ void *control_data; /* codec control (i2c/3wire) data */
+ unsigned int (*read)(struct snd_soc_codec *, unsigned int);
+ int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
+ hw_write_t hw_write;
+ hw_read_t hw_read;
+ void *reg_cache;
+ short reg_cache_size;
+ short reg_cache_step;
+
+ /* dapm */
+ struct list_head dapm_widgets;
+ struct list_head dapm_paths;
+ unsigned int dapm_state;
+ unsigned int suspend_dapm_state;
+
+ /* codec DAI's */
+ struct snd_soc_codec_dai *dai;
+ unsigned int num_dai;
+};
+
+/* codec device */
+struct snd_soc_codec_device {
+ int (*probe)(struct platform_device *pdev);
+ int (*remove)(struct platform_device *pdev);
+ int (*suspend)(struct platform_device *pdev, pm_message_t state);
+ int (*resume)(struct platform_device *pdev);
+};
+
+/* SoC platform interface */
+struct snd_soc_platform {
+ char *name;
+
+ int (*probe)(struct platform_device *pdev);
+ int (*remove)(struct platform_device *pdev);
+ int (*suspend)(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *cpu_dai);
+ int (*resume)(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *cpu_dai);
+
+ /* pcm creation and destruction */
+ int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *,
+ struct snd_pcm *);
+ void (*pcm_free)(struct snd_pcm *);
+
+ /* platform stream ops */
+ struct snd_pcm_ops *pcm_ops;
+};
+
+/* SoC machine DAI configuration, glues a codec and cpu DAI together */
+struct snd_soc_dai_link {
+ char *name; /* Codec name */
+ char *stream_name; /* Stream name */
+
+ /* DAI */
+ struct snd_soc_codec_dai *codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai;
+ u32 flags; /* DAI config preference flags */
+
+ /* codec/machine specific init - e.g. add machine controls */
+ int (*init)(struct snd_soc_codec *codec);
+
+ /* audio sysclock configuration */
+ unsigned int (*config_sysclk)(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info);
+};
+
+/* SoC machine */
+struct snd_soc_machine {
+ char *name;
+
+ int (*probe)(struct platform_device *pdev);
+ int (*remove)(struct platform_device *pdev);
+
+ /* the pre and post PM functions are used to do any PM work before and
+ * after the codec and DAI's do any PM work. */
+ int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
+ int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
+ int (*resume_pre)(struct platform_device *pdev);
+ int (*resume_post)(struct platform_device *pdev);
+
+ /* machine stream operations */
+ struct snd_soc_ops *ops;
+
+ /* CPU <--> Codec DAI links */
+ struct snd_soc_dai_link *dai_link;
+ int num_links;
+};
+
+/* SoC Device - the audio subsystem */
+struct snd_soc_device {
+ struct device *dev;
+ struct snd_soc_machine *machine;
+ struct snd_soc_platform *platform;
+ struct snd_soc_codec *codec;
+ struct snd_soc_codec_device *codec_dev;
+ void *codec_data;
+};
+
+/* runtime channel data */
+struct snd_soc_pcm_runtime {
+ struct snd_soc_codec_dai *codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai;
+ struct snd_soc_device *socdev;
+};
+
+/* enumerated kcontrol */
+struct soc_enum {
+ unsigned short reg;
+ unsigned short reg2;
+ unsigned char shift_l;
+ unsigned char shift_r;
+ unsigned int mask;
+ const char **texts;
+ void *dapm;
+};
+
+/* clocking configuration data */
+struct snd_soc_clock_info {
+ unsigned int rate;
+ unsigned int fs;
+ unsigned int bclk_master;
+};
+
+#endif
Index: linux-2.6-pxa-new/sound/Kconfig
===================================================================
--- linux-2.6-pxa-new.orig/sound/Kconfig
+++ linux-2.6-pxa-new/sound/Kconfig
@@ -76,6 +76,8 @@ source "sound/sparc/Kconfig"
source "sound/parisc/Kconfig"
+source "sound/soc/Kconfig"
+
endmenu
menu "Open Sound System"
Index: linux-2.6-pxa-new/sound/soc/Kconfig
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/Kconfig
@@ -0,0 +1,37 @@
+#
+# SoC audio configuration
+#
+
+menu "SoC audio support"
+ depends on SND!=n
+
+config SND_SOC_AC97_BUS
+ bool
+
+config SND_SOC
+ tristate "SoC audio support"
+ ---help---
+
+ If you want SoC support, you should say Y here and also to the
+ specific driver for your SoC below. You will also need to select the
+ specific codec(s) attached to the SoC
+
+ This SoC audio support can also be built as a module. If so, the module
+ will be called snd-soc-core.
+
+# All the supported Soc's
+menu "Soc Platforms"
+depends on SND_SOC
+source "sound/soc/pxa/Kconfig"
+source "sound/soc/at91/Kconfig"
+source "sound/soc/imx/Kconfig"
+source "sound/soc/s3c24xx/Kconfig"
+endmenu
+
+# Supported codecs
+menu "Soc Codecs"
+depends on SND_SOC
+source "sound/soc/codecs/Kconfig"
+endmenu
+
+endmenu
Index: linux-2.6-pxa-new/sound/soc/Makefile
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/Makefile
@@ -0,0 +1,4 @@
+snd-soc-core-objs := soc-core.o soc-dapm.o
+
+obj-$(CONFIG_SND_SOC) += snd-soc-core.o
+obj-$(CONFIG_SND_SOC) += pxa/ at91/ imx/ s3c24xx/ codecs/
Index: linux-2.6-pxa-new/sound/soc/codecs/Kconfig
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/Kconfig
@@ -0,0 +1,90 @@
+config SND_SOC_AC97_CODEC
+ tristate "SoC generic AC97 support"
+ depends SND_SOC
+ help
+ Say Y or M if you want generic AC97 support. This is not required
+ for the AC97 codecs listed below.
+
+config SND_SOC_WM8711
+ tristate "SoC driver for the WM8711 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8711 codec.
+
+config SND_SOC_WM8510
+ tristate "SoC driver for the WM8510 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8711 codec.
+
+config SND_SOC_WM8731
+ tristate "SoC driver for the WM8731 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8731 codec.
+
+config SND_SOC_WM8750
+ tristate "SoC driver for the WM8750 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8750 codec.
+
+config SND_SOC_WM8753
+ tristate "SoC driver for the WM8753 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8753 codec.
+
+config SND_SOC_WM8772
+ tristate "SoC driver for the WM8772 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8772 codec.
+
+config SND_SOC_WM8971
+ tristate "SoC driver for the WM8971 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8971 codec.
+
+config SND_SOC_WM8976
+ tristate "SoC driver for the WM8976 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8976 codec.
+
+config SND_SOC_WM8974
+ tristate "SoC driver for the WM8974 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8974 codec.
+
+config SND_SOC_WM8980
+ tristate "SoC driver for the WM8980 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM8980 codec.
+
+config SND_SOC_WM9713
+ tristate "SoC driver for the WM9713 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM9713 codec.
+
+config SND_SOC_WM9712
+ tristate "SoC driver for the WM9712 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the WM9712 codec.
+
+config SND_SOC_UDA1380
+ tristate "SoC driver for the UDA1380 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the UDA1380 codec.
+
+config SND_SOC_AK4535
+ tristate "SoC driver for the AK4535 codec"
+ depends SND_SOC
+ help
+ Say Y or M if you want to support the AK4535 codec.
Index: linux-2.6-pxa-new/sound/soc/codecs/Makefile
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/Makefile
@@ -0,0 +1,31 @@
+snd-soc-ac97-objs := ac97.o
+snd-soc-wm8711-objs := wm8711.o
+snd-soc-wm8510-objs := wm8510.o
+snd-soc-wm8731-objs := wm8731.o
+snd-soc-wm8750-objs := wm8750.o
+snd-soc-wm8753-objs := wm8753.o
+snd-soc-wm8772-objs := wm8772.o
+snd-soc-wm8971-objs := wm8971.o
+snd-soc-wm8974-objs := wm8974.o
+snd-soc-wm8976-objs := wm8976.o
+snd-soc-wm8980-objs := wm8980.o
+snd-soc-uda1380-objs := uda1380.o
+snd-soc-ak4535-objs := ak4535.o
+snd-soc-wm9713-objs := wm9713.o
+snd-soc-wm9712-objs := wm9712.o
+
+obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o
+obj-$(CONFIG_SND_SOC_WM8711) += snd-soc-wm8711.o
+obj-$(CONFIG_SND_SOC_WM8510) += snd-soc-wm8510.o
+obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o
+obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o
+obj-$(CONFIG_SND_SOC_WM8753) += snd-soc-wm8753.o
+obj-$(CONFIG_SND_SOC_WM8772) += snd-soc-wm8772.o
+obj-$(CONFIG_SND_SOC_WM8971) += snd-soc-wm8971.o
+obj-$(CONFIG_SND_SOC_WM8974) += snd-soc-wm8974.o
+obj-$(CONFIG_SND_SOC_WM8976) += snd-soc-wm8976.o
+obj-$(CONFIG_SND_SOC_WM8980) += snd-soc-wm8980.o
+obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o
+obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
+obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o
+obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o
Index: linux-2.6-pxa-new/sound/soc/codecs/ac97.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/ac97.c
@@ -0,0 +1,167 @@
+/*
+ * ac97.c -- ALSA Soc AC97 codec support
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 17th Oct 2005 Initial version.
+ *
+ * Generic AC97 support.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#define AC97_VERSION "0.5"
+
+#define AC97_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define AC97_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+/* may need to expand this */
+static struct snd_soc_dai_mode soc_ac97[] = {
+ {0, 0, SNDRV_PCM_FMTBIT_S16_LE, AC97_RATES},
+ {0, 0, SNDRV_PCM_FMTBIT_S18_3LE, AC97_RATES},
+ {0, 0, SNDRV_PCM_FMTBIT_S20_3LE, AC97_RATES},
+};
+
+static int ac97_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ int reg = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ AC97_PCM_FRONT_DAC_RATE : AC97_PCM_LR_ADC_RATE;
+ return snd_ac97_set_rate(codec->ac97, reg, runtime->rate);
+}
+
+static struct snd_soc_codec_dai ac97_dai = {
+ .name = "AC97 HiFi",
+ .playback = {
+ .stream_name = "AC97 Playback",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .stream_name = "AC97 Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .prepare = ac97_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(soc_ac97),
+ .mode = soc_ac97,},
+};
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ return soc_ac97_ops.read(codec->ac97, reg);
+}
+
+static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int val)
+{
+ soc_ac97_ops.write(codec->ac97, reg, val);
+ return 0;
+}
+
+static int ac97_soc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ struct snd_ac97_bus *ac97_bus;
+ struct snd_ac97_template ac97_template;
+ int ret = 0;
+
+ printk(KERN_INFO "AC97 SoC Audio Codec %s\n", AC97_VERSION);
+
+ socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (socdev->codec == NULL)
+ return -ENOMEM;
+ codec = socdev->codec;
+ mutex_init(&codec->mutex);
+
+ codec->name = "AC97";
+ codec->owner = THIS_MODULE;
+ codec->dai = &ac97_dai;
+ codec->num_dai = 1;
+ codec->write = ac97_write;
+ codec->read = ac97_read;
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0)
+ goto err;
+
+ /* add codec as bus device for standard ac97 */
+ ret = snd_ac97_bus(codec->card, 0, &soc_ac97_ops, NULL, &ac97_bus);
+ if(ret < 0)
+ goto bus_err;
+
+ memset(&ac97_template, 0, sizeof(struct snd_ac97_template));
+ ret = snd_ac97_mixer(ac97_bus, &ac97_template, &codec->ac97);
+ if(ret < 0)
+ goto bus_err;
+
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0)
+ goto bus_err;
+ return 0;
+
+bus_err:
+ snd_soc_free_pcms(socdev);
+
+err:
+ kfree(socdev->codec->reg_cache);
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return ret;
+}
+
+static int ac97_soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if(codec == NULL)
+ return 0;
+
+ snd_soc_free_pcms(socdev);
+ kfree(socdev->codec->reg_cache);
+ kfree(socdev->codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_ac97= {
+ .probe = ac97_soc_probe,
+ .remove = ac97_soc_remove,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_ac97);
+
+MODULE_DESCRIPTION("Soc Generic AC97 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/ac97.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/ac97.h
@@ -0,0 +1,18 @@
+/*
+ * linux/sound/codecs/ac97.h -- ALSA SoC Layer
+ *
+ * Author: Liam Girdwood
+ * Created: Dec 1st 2005
+ * Copyright: Wolfson Microelectronics. PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_SOC_AC97_H
+#define __LINUX_SND_SOC_AC97_H
+
+extern struct snd_soc_codec_device soc_codec_dev_ac97;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/ak4535.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/ak4535.c
@@ -0,0 +1,701 @@
+/*
+ * ak4535.c -- AK4535 ALSA Soc Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.c by Liam Girdwood
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "ak4535.h"
+
+#define AUDIO_NAME "ak4535"
+#define AK4535_VERSION "0.3"
+
+struct snd_soc_codec_device soc_codec_dev_ak4535;
+
+/*
+ * ak4535 register cache
+ */
+static const u16 ak4535_reg[AK4535_CACHEREGNUM] = {
+ 0x0000, 0x0080, 0x0000, 0x0003,
+ 0x0002, 0x0000, 0x0011, 0x0001,
+ 0x0000, 0x0040, 0x0036, 0x0010,
+ 0x0000, 0x0000, 0x0057, 0x0000,
+};
+
+#define AK4535_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBS_CFS | \
+ SND_SOC_DAIFMT_NB_NF)
+
+#define AK4535_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define AK4535_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+static struct snd_soc_dai_mode ak4535_modes[] = {
+ /* codec frame and clock slave modes */
+ {
+ .fmt = AK4535_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = AK4535_RATES,
+ .pcmdir = AK4535_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+ {
+ .fmt = AK4535_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = AK4535_RATES,
+ .pcmdir = AK4535_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 32,
+ },
+};
+
+/*
+ * read ak4535 register cache
+ */
+static inline unsigned int ak4535_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= AK4535_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write ak4535 register cache
+ */
+static inline void ak4535_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= AK4535_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the AK4535 register space
+ */
+static int ak4535_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D8 AK4535 register offset
+ * D7...D0 register data
+ */
+ data[0] = reg & 0xff;
+ data[1] = value & 0xff;
+
+ ak4535_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+static const char *ak4535_mono_gain[] = {"+6dB", "-17dB"};
+static const char *ak4535_mono_out[] = {"(L + R)/2", "Hi-Z"};
+static const char *ak4535_hp_out[] = {"Stereo", "Mono"};
+static const char *ak4535_deemp[] = {"44.1kHz", "Off", "48kHz", "32kHz"};
+static const char *ak4535_mic_select[] = {"Internal", "External"};
+
+static const struct soc_enum ak4535_enum[] = {
+ SOC_ENUM_SINGLE(AK4535_SIG1, 7, 2, ak4535_mono_gain),
+ SOC_ENUM_SINGLE(AK4535_SIG1, 6, 2, ak4535_mono_out),
+ SOC_ENUM_SINGLE(AK4535_MODE2, 2, 2, ak4535_hp_out),
+ SOC_ENUM_SINGLE(AK4535_DAC, 0, 4, ak4535_deemp),
+ SOC_ENUM_SINGLE(AK4535_MIC, 1, 2, ak4535_mic_select),
+};
+
+static const struct snd_kcontrol_new ak4535_snd_controls[] = {
+ SOC_SINGLE("ALC2 Switch", AK4535_SIG1, 1, 1, 0),
+ SOC_ENUM("Mono 1 Output", ak4535_enum[1]),
+ SOC_ENUM("Mono 1 Gain", ak4535_enum[0]),
+ SOC_ENUM("Headphone Output", ak4535_enum[2]),
+ SOC_ENUM("Playback Deemphasis", ak4535_enum[3]),
+ SOC_SINGLE("Bass Volume", AK4535_DAC, 2, 3, 0),
+ SOC_SINGLE("Mic Boost (+20dB) Switch", AK4535_MIC, 0, 1, 0),
+ SOC_ENUM("Mic Select", ak4535_enum[4]),
+ SOC_SINGLE("ALC Operation Time", AK4535_TIMER, 0, 3, 0),
+ SOC_SINGLE("ALC Recovery Time", AK4535_TIMER, 2, 3, 0),
+ SOC_SINGLE("ALC ZC Time", AK4535_TIMER, 4, 3, 0),
+ SOC_SINGLE("ALC 1 Switch", AK4535_ALC1, 5, 1, 0),
+ SOC_SINGLE("ALC 2 Switch", AK4535_ALC1, 6, 1, 0),
+ SOC_SINGLE("ALC Volume", AK4535_ALC2, 0, 127, 0),
+ SOC_SINGLE("Capture Volume", AK4535_PGA, 0, 127, 0),
+ SOC_SINGLE("Left Playback Volume", AK4535_LATT, 0, 127, 1),
+ SOC_SINGLE("Right Playback Volume", AK4535_RATT, 0, 127, 1),
+ SOC_SINGLE("AUX Bypass Volume", AK4535_VOL, 0, 15, 0),
+ SOC_SINGLE("Mic Sidetone Volume", AK4535_VOL, 4, 7, 0),
+};
+
+/* add non dapm controls */
+static int ak4535_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(ak4535_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&ak4535_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Mono 1 Mixer */
+static const struct snd_kcontrol_new ak4535_mono1_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4535_SIG1, 4, 1, 0),
+ SOC_DAPM_SINGLE("Mono Playback Switch", AK4535_SIG1, 5, 1, 0),
+};
+
+/* Stereo Mixer */
+static const struct snd_kcontrol_new ak4535_stereo_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4535_SIG2, 4, 1, 0),
+ SOC_DAPM_SINGLE("Playback Switch", AK4535_SIG2, 7, 1, 0),
+ SOC_DAPM_SINGLE("Aux Bypass Switch", AK4535_SIG2, 5, 1, 0),
+};
+
+/* Input Mixer */
+static const struct snd_kcontrol_new ak4535_input_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Mic Capture Switch", AK4535_MIC, 2, 1, 0),
+ SOC_DAPM_SINGLE("Aux Capture Switch", AK4535_MIC, 5, 1, 0),
+};
+
+/* Input mux */
+static const struct snd_kcontrol_new ak4535_input_mux_control =
+ SOC_DAPM_ENUM("Input Select", ak4535_enum[0]);
+
+/* HP L switch */
+static const struct snd_kcontrol_new ak4535_hpl_control =
+ SOC_DAPM_SINGLE("Switch", AK4535_SIG2, 1, 1, 1);
+
+/* HP R switch */
+static const struct snd_kcontrol_new ak4535_hpr_control =
+ SOC_DAPM_SINGLE("Switch", AK4535_SIG2, 0, 1, 1);
+
+/* Speaker switch */
+static const struct snd_kcontrol_new ak4535_spk_control =
+ SOC_DAPM_SINGLE("Switch", AK4535_MODE2, 0, 0, 0);
+
+/* mono 2 switch */
+static const struct snd_kcontrol_new ak4535_mono2_control =
+ SOC_DAPM_SINGLE("Switch", AK4535_SIG1, 0, 1, 0);
+
+/* Line out switch */
+static const struct snd_kcontrol_new ak4535_line_control =
+ SOC_DAPM_SINGLE("Switch", AK4535_SIG2, 6, 1, 0);
+
+/* ak4535 dapm widgets */
+static const struct snd_soc_dapm_widget ak4535_dapm_widgets[] = {
+ SND_SOC_DAPM_MIXER("Stereo Mixer", SND_SOC_NOPM, 0, 0,
+ &ak4535_stereo_mixer_controls[0],
+ ARRAY_SIZE(ak4535_stereo_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Mono1 Mixer", SND_SOC_NOPM, 0, 0,
+ &ak4535_mono1_mixer_controls[0],
+ ARRAY_SIZE(ak4535_mono1_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0,
+ &ak4535_input_mixer_controls[0],
+ ARRAY_SIZE(ak4535_mono1_mixer_controls)),
+ SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0,
+ &ak4535_input_mux_control),
+ SND_SOC_DAPM_DAC("DAC", "Playback", AK4535_PM2, 0, 0),
+ SND_SOC_DAPM_SWITCH("Mono 2 Enable", SND_SOC_NOPM, 0, 0,
+ &ak4535_mono2_control),
+ SND_SOC_DAPM_SWITCH("Speaker Enable", SND_SOC_NOPM, 0, 0,
+ &ak4535_spk_control),
+ SND_SOC_DAPM_SWITCH("Line Out Enable", SND_SOC_NOPM, 0, 0,
+ &ak4535_line_control),
+ SND_SOC_DAPM_SWITCH("Left HP Enable", SND_SOC_NOPM, 0, 0,
+ &ak4535_hpl_control),
+ SND_SOC_DAPM_SWITCH("Right HP Enable", SND_SOC_NOPM, 0, 0,
+ &ak4535_hpr_control),
+ SND_SOC_DAPM_OUTPUT("LOUT"),
+ SND_SOC_DAPM_OUTPUT("HPL"),
+ SND_SOC_DAPM_OUTPUT("ROUT"),
+ SND_SOC_DAPM_OUTPUT("HPR"),
+ SND_SOC_DAPM_OUTPUT("SPP"),
+ SND_SOC_DAPM_OUTPUT("SPN"),
+ SND_SOC_DAPM_OUTPUT("MOUT1"),
+ SND_SOC_DAPM_OUTPUT("MOUT2"),
+ SND_SOC_DAPM_OUTPUT("MICOUT"),
+ SND_SOC_DAPM_ADC("ADC", "Capture", AK4535_PM1, 0, 1),
+ SND_SOC_DAPM_PGA("Spk Amp", AK4535_PM2, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HP R Amp", AK4535_PM2, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("HP L Amp", AK4535_PM2, 2, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Mic", AK4535_PM1, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Line Out", AK4535_PM1, 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Mono Out", AK4535_PM1, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("AUX In", AK4535_PM1, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_MICBIAS("Mic Int Bias", AK4535_MIC, 3, 0),
+ SND_SOC_DAPM_MICBIAS("Mic Ext Bias", AK4535_MIC, 4, 0),
+ SND_SOC_DAPM_INPUT("MICIN"),
+ SND_SOC_DAPM_INPUT("MICEXT"),
+ SND_SOC_DAPM_INPUT("AUX"),
+ SND_SOC_DAPM_INPUT("MIN"),
+ SND_SOC_DAPM_INPUT("AIN"),
+};
+
+static const char *audio_map[][3] = {
+ /*stereo mixer */
+ {"Stereo Mixer", "Playback Switch", "DAC"},
+ {"Stereo Mixer", "Mic Sidetone Switch", "Mic"},
+ {"Stereo Mixer", "Aux Bypass Switch", "AUX In"},
+
+ /* mono1 mixer */
+ {"Mono1 Mixer", "Mic Sidetone Switch", "Mic"},
+ {"Mono1 Mixer", "Mono Playback Switch", "DAC"},
+
+ /* mono2 mixer */
+ {"Mono2 Mixer", "Mono Playback Switch", "Stereo Mixer"},
+
+ /* Mic */
+ {"AIN", NULL, "Mic"},
+ {"Input Mux", "Internal", "Mic Int Bias"},
+ {"Input Mux", "External", "Mic Ext Bias"},
+ {"Mic Int Bias", NULL, "MICIN"},
+ {"Mic Ext Bias", NULL, "MICEXT"},
+ {"MICOUT", NULL, "Input Mux"},
+
+ /* line out */
+ {"LOUT", "Switch", "Line"},
+ {"ROUT", "Switch", "Line Out Enable"},
+ {"Line Out Enable", NULL, "Line Out"},
+ {"Line Out", NULL, "Stereo Mixer"},
+
+ /* mono1 out */
+ {"MOUT1", NULL, "Mono Out"},
+ {"Mono Out", NULL, "Mono Mixer"},
+
+ /* left HP */
+ {"HPL", "Switch", "Left HP Enable"},
+ {"Left HP Enable", NULL, "HP L Amp"},
+ {"HP L Amp", NULL, "Stereo Mixer"},
+
+ /* right HP */
+ {"HPR", "Switch", "Right HP Enable"},
+ {"Right HP Enable", NULL, "HP R Amp"},
+ {"HP R Amp", NULL, "Stereo Mixer"},
+
+ /* speaker */
+ {"SPP", "Switch", "Speaker Enable"},
+ {"SPN", "Switch", "Speaker Enable"},
+ {"Speaker Enable", NULL, "Spk Amp"},
+ {"Spk Amp", NULL, "MIN"},
+
+ /* mono 2 */
+ {"MOUT2", "Switch", "Mono 2 Enable"},
+ {"Mono 2 Enable", NULL, "Stereo Mixer"},
+
+ /* Aux In */
+ {"Aux In", NULL, "AUX"},
+
+ /* ADC */
+ {"ADC", NULL, "Input Mixer"},
+ {"Input Mixer", "Mic Capture Switch", "Mic"},
+ {"Input Mixer", "Aux Capture Switch", "Aux In"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int ak4535_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(ak4535_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &ak4535_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+static int ak4535_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u8 mode = 0, mode2;
+ int bfs;
+
+ mode2 = ak4535_read_reg_cache(codec, AK4535_MODE2);
+ bfs = SND_SOC_FSBW_REAL(rtd->codec_dai->dai_runtime.bfs);
+ snd_assert(bfs, return -ENODEV);
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ mode = 0x0002;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ mode = 0x0001;
+ break;
+ }
+
+ /* set fs */
+ switch (rtd->codec_dai->dai_runtime.fs) {
+ case 1024:
+ mode2 |= (0x3 << 5);
+ break;
+ case 512:
+ mode2 |= (0x2 << 5);
+ break;
+ case 256:
+ mode2 |= (0x1 << 5);
+ break;
+ }
+
+ /* bfs */
+ if (bfs == 64)
+ mode |= 0x4;
+
+ /* set rate */
+ ak4535_write(codec, AK4535_MODE1, mode);
+ ak4535_write(codec, AK4535_MODE2, mode2);
+
+ return 0;
+}
+
+static unsigned int ak4535_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ if (info->fs != 256)
+ return 0;
+
+ /* we only support 256 FS atm */
+ if (info->rate * info->fs == clk) {
+ dai->mclk = clk;
+ return clk;
+ }
+
+ return 0;
+}
+
+static int ak4535_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC) & 0xffdf;
+ if (mute)
+ ak4535_write(codec, AK4535_DAC, mute_reg);
+ else
+ ak4535_write(codec, AK4535_DAC, mute_reg | 0x20);
+ return 0;
+}
+
+static int ak4535_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, clk and osc on, dac unmute, active */
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, dac mute, inactive */
+ ak4535_write(codec, AK4535_PM1, 0x80);
+ ak4535_write(codec, AK4535_PM2, 0x0);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, inactive */
+ ak4535_write(codec, AK4535_PM1, 0x0);
+ ak4535_write(codec, AK4535_PM2, 0x80);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai ak4535_dai = {
+ .name = "AK4535",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = ak4535_config_sysclk,
+ .digital_mute = ak4535_mute,
+ .ops = {
+ .prepare = ak4535_pcm_prepare,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(ak4535_modes),
+ .mode = ak4535_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(ak4535_dai);
+
+static int ak4535_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ ak4535_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int ak4535_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(ak4535_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ ak4535_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ ak4535_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the AK4535 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int ak4535_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ codec->name = "AK4535";
+ codec->owner = THIS_MODULE;
+ codec->read = ak4535_read_reg_cache;
+ codec->write = ak4535_write;
+ codec->dapm_event = ak4535_dapm_event;
+ codec->dai = &ak4535_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(ak4535_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(ak4535_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, ak4535_reg,
+ sizeof(u16) * ARRAY_SIZE(ak4535_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(ak4535_reg);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ ak4535_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ ak4535_add_controls(codec);
+ ak4535_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *ak4535_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+#define I2C_DRIVERID_AK4535 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver ak4535_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static int ak4535_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = ak4535_socdev;
+ struct ak4535_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL){
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ printk(KERN_ERR "failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = ak4535_init(socdev);
+ if (ret < 0) {
+ printk(KERN_ERR "failed to initialise AK4535\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int ak4535_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec* codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+
+ return 0;
+}
+
+static int ak4535_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, ak4535_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver ak4535_i2c_driver = {
+ .driver = {
+ .name = "AK4535 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_AK4535,
+ .attach_adapter = ak4535_i2c_attach,
+ .detach_client = ak4535_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "AK4535",
+ .driver = &ak4535_i2c_driver,
+};
+#endif
+
+static int ak4535_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct ak4535_setup_data *setup;
+ struct snd_soc_codec* codec;
+ int ret = 0;
+
+ printk(KERN_INFO "AK4535 Audio Codec %s", AK4535_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ ak4535_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&ak4535_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int ak4535_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec* codec = socdev->codec;
+
+ if (codec->control_data)
+ ak4535_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&ak4535_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_ak4535 = {
+ .probe = ak4535_probe,
+ .remove = ak4535_remove,
+ .suspend = ak4535_suspend,
+ .resume = ak4535_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_ak4535);
+
+MODULE_DESCRIPTION("Soc AK4535 driver");
+MODULE_AUTHOR("Richard Purdie");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/ak4535.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/ak4535.h
@@ -0,0 +1,46 @@
+/*
+ * ak4535.h -- AK4535 Soc Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _AK4535_H
+#define _AK4535_H
+
+/* AK4535 register space */
+
+#define AK4535_PM1 0x0
+#define AK4535_PM2 0x1
+#define AK4535_SIG1 0x2
+#define AK4535_SIG2 0x3
+#define AK4535_MODE1 0x4
+#define AK4535_MODE2 0x5
+#define AK4535_DAC 0x6
+#define AK4535_MIC 0x7
+#define AK4535_TIMER 0x8
+#define AK4535_ALC1 0x9
+#define AK4535_ALC2 0xa
+#define AK4535_PGA 0xb
+#define AK4535_LATT 0xc
+#define AK4535_RATT 0xd
+#define AK4535_VOL 0xe
+#define AK4535_STATUS 0xf
+
+#define AK4535_CACHEREGNUM 0x10
+
+struct ak4535_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai ak4535_dai;
+extern struct snd_soc_codec_device soc_codec_dev_ak4535;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/uda1380.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/uda1380.c
@@ -0,0 +1,582 @@
+/*
+ * uda1380.c - Philips UDA1380 ALSA SoC audio driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Modified by Richard Purdie <richard@openedhand.com> to fit into SoC
+ * codec model.
+ *
+ * Copyright (c) 2005 Giorgio Padrin <giorgio@mandarinlogiq.org>
+ * Copyright 2005 Openedhand Ltd.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/ioctl.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/initval.h>
+#include <sound/info.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include "uda1380.h"
+
+#define UDA1380_VERSION "0.4"
+
+/*
+ * uda1380 register cache
+ */
+static const u16 uda1380_reg[UDA1380_CACHEREGNUM] = {
+ 0x0502, 0x0000, 0x0000, 0x3f3f,
+ 0x0202, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0xff00, 0x0000, 0x4800,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x8000, 0x0002, 0x0000,
+};
+
+#define UDA1380_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBS_CFS | \
+ SND_SOC_DAIFMT_NB_NF)
+
+#define UDA1380_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define UDA1380_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+static struct snd_soc_dai_mode uda1380_modes[] = {
+ /* slave rates capture & playback */
+ {
+ .fmt = UDA1380_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = UDA1380_RATES,
+ .pcmdir = UDA1380_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+
+ /* slave rates playback */
+ {
+ .fmt = UDA1380_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+};
+
+/*
+ * read uda1380 register cache
+ */
+static inline unsigned int uda1380_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == UDA1380_RESET)
+ return 0;
+ if (reg >= UDA1380_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write uda1380 register cache
+ */
+static inline void uda1380_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= UDA1380_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the UDA1380 register space
+ */
+static int uda1380_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[3];
+
+ /* data is
+ * data[0] is register offset
+ * data[1] is MS byte
+ * data[2] is LS byte
+ */
+ data[0] = reg;
+ data[1] = (value & 0xff00) >> 8;
+ data[2] = value & 0x00ff;
+
+ uda1380_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 3) == 3)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define uda1380_reset(c) uda1380_write(c, UDA1380_RESET, 0)
+
+/* declarations of ALSA reg_elem_REAL controls */
+static const char *uda1380_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz",
+ "96kHz"};
+static const char *uda1380_input_sel[] = {"Line", "Mic"};
+
+static const struct soc_enum uda1380_enum[] = {
+ SOC_ENUM_DOUBLE(UDA1380_DEEMP, 0, 8, 5, uda1380_deemp),
+ SOC_ENUM_SINGLE(UDA1380_ADC, 3, 2, uda1380_input_sel),
+};
+
+static const struct snd_kcontrol_new uda1380_snd_controls[] = {
+ SOC_DOUBLE("Playback Volume", UDA1380_MVOL, 0, 8, 127, 0),
+ SOC_DOUBLE("Treble Volume", UDA1380_MODE, 4, 12, 3, 0),
+ SOC_DOUBLE("Bass Volume", UDA1380_MODE, 0, 8, 15, 0),
+ SOC_ENUM("Playback De-emphasis", uda1380_enum[0]),
+ SOC_DOUBLE("Capture Volume", UDA1380_DEC, 0, 8, 127, 0),
+ SOC_DOUBLE("Line Capture Volume", UDA1380_PGA, 0, 8, 15, 0),
+ SOC_SINGLE("Mic Capture Volume", UDA1380_PGA, 8, 11, 0),
+ SOC_DOUBLE("Playback Switch", UDA1380_DEEMP, 3, 11, 1, 0),
+ SOC_SINGLE("Capture Switch", UDA1380_PGA, 15, 1, 0),
+ SOC_SINGLE("AGC Timing", UDA1380_AGC, 8, 7, 0),
+ SOC_SINGLE("AGC Target level", UDA1380_AGC, 2, 3, 1),
+ SOC_SINGLE("AGC Switch", UDA1380_AGC, 0, 1, 0),
+};
+
+/* add non dapm controls */
+static int uda1380_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(uda1380_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&uda1380_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Input mux */
+static const struct snd_kcontrol_new uda1380_input_mux_control =
+ SOC_DAPM_ENUM("Input Select", uda1380_enum[1]);
+
+static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = {
+ SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0,
+ &uda1380_input_mux_control),
+ SND_SOC_DAPM_PGA("Left PGA", UDA1380_PM, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right PGA", UDA1380_PM, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Mic LNA", UDA1380_PM, 4, 0, NULL, 0),
+ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", UDA1380_PM, 2, 0),
+ SND_SOC_DAPM_ADC("Right ADC", "Right Capture", UDA1380_PM, 0, 0),
+ SND_SOC_DAPM_INPUT("VINM"),
+ SND_SOC_DAPM_INPUT("VINL"),
+ SND_SOC_DAPM_INPUT("VINR"),
+ SND_SOC_DAPM_MIXER("Analog Mixer", UDA1380_PM, 6, 0, NULL, 0),
+ SND_SOC_DAPM_OUTPUT("VOUTLHP"),
+ SND_SOC_DAPM_OUTPUT("VOUTRHP"),
+ SND_SOC_DAPM_OUTPUT("VOUTL"),
+ SND_SOC_DAPM_OUTPUT("VOUTR"),
+ SND_SOC_DAPM_DAC("DAC", "Playback", UDA1380_PM, 10, 0),
+ SND_SOC_DAPM_PGA("HeadPhone Driver", UDA1380_PM, 13, 0, NULL, 0),
+};
+
+static const char *audio_map[][3] = {
+
+ /* analog mixer setup is different from diagram for dapm */
+ {"HeadPhone Driver", NULL, "Analog Mixer"},
+ {"VOUTR", NULL, "Analog Mixer"},
+ {"VOUTL", NULL, "Analog Mixer"},
+ {"Analog Mixer", NULL, "VINR"},
+ {"Analog Mixer", NULL, "VINL"},
+ {"Analog Mixer", NULL, "DAC"},
+
+ /* headphone driver */
+ {"VOUTLHP", NULL, "HeadPhone Driver"},
+ {"VOUTRHP", NULL, "HeadPhone Driver"},
+
+ /* input mux */
+ {"Left ADC", NULL, "Input Mux"},
+ {"Input Mux", "Mic", "Mic LNA"},
+ {"Input Mux", "Line", "Left PGA"},
+
+ /* right input */
+ {"Right ADC", NULL, "Right PGA"},
+
+ /* inputs */
+ {"Mic LNA", NULL, "VINM"},
+ {"Left PGA", NULL, "VINL"},
+ {"Right PGA", NULL, "VINR"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int uda1380_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(uda1380_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &uda1380_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+static int uda1380_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ uda1380_write(codec, UDA1380_CLK, R00_EN_DAC | R00_EN_INT | clk);
+ else
+ uda1380_write(codec, UDA1380_CLK, R00_EN_ADC | R00_EN_DEC | clk);
+
+ return 0;
+}
+
+static void uda1380_pcm_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ uda1380_write(codec, UDA1380_CLK, ~(R00_EN_DAC | R00_EN_INT) & clk);
+ else
+ uda1380_write(codec, UDA1380_CLK, ~(R00_EN_ADC | R00_EN_DEC) & clk);
+}
+
+static unsigned int uda1380_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ if(info->fs != 256)
+ return 0;
+
+ /* we only support 256 FS atm */
+ if(info->rate * info->fs == clk) {
+ dai->mclk = clk;
+ return clk;
+ }
+
+ return 0;
+}
+
+static int uda1380_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = uda1380_read_reg_cache(codec, UDA1380_DEEMP) & 0xbfff;
+ if(mute)
+ uda1380_write(codec, UDA1380_DEEMP, mute_reg | 0x4000);
+ else
+ uda1380_write(codec, UDA1380_DEEMP, mute_reg);
+ return 0;
+}
+
+static int uda1380_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except internal bias */
+ uda1380_write(codec, UDA1380_PM, R02_PON_BIAS);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, inactive */
+ uda1380_write(codec, UDA1380_PM, 0x0);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai uda1380_dai = {
+ .name = "UDA1380",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = uda1380_config_sysclk,
+ .digital_mute = uda1380_mute,
+ .ops = {
+ .prepare = uda1380_pcm_prepare,
+ .shutdown = uda1380_pcm_shutdown,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(uda1380_modes),
+ .mode = uda1380_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(uda1380_dai);
+
+static int uda1380_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ uda1380_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int uda1380_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(uda1380_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ uda1380_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ uda1380_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the UDA1380 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int uda1380_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ codec->name = "UDA1380";
+ codec->owner = THIS_MODULE;
+ codec->read = uda1380_read_reg_cache;
+ codec->write = uda1380_write;
+ codec->dapm_event = uda1380_dapm_event;
+ codec->dai = &uda1380_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(uda1380_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(uda1380_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, uda1380_reg,
+ sizeof(u16) * ARRAY_SIZE(uda1380_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(uda1380_reg);
+ uda1380_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ uda1380_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ uda1380_write(codec, UDA1380_CLK, 0);
+
+ /* uda1380 init */
+ uda1380_add_controls(codec);
+ uda1380_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if(ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *uda1380_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+#define I2C_DRIVERID_UDA1380 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver uda1380_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int uda1380_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = uda1380_socdev;
+ struct uda1380_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL){
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if(ret < 0) {
+ printk(KERN_ERR "failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = uda1380_init(socdev);
+ if(ret < 0) {
+ printk(KERN_ERR "failed to initialise UDA1380\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int uda1380_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec* codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int uda1380_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, uda1380_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver uda1380_i2c_driver = {
+ .driver = {
+ .name = "UDA1380 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_UDA1380,
+ .attach_adapter = uda1380_i2c_attach,
+ .detach_client = uda1380_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "UDA1380",
+ .driver = &uda1380_i2c_driver,
+};
+#endif
+
+static int uda1380_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct uda1380_setup_data *setup;
+ struct snd_soc_codec* codec;
+ int ret = 0;
+
+ printk(KERN_INFO "UDA1380 Audio Codec %s", UDA1380_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ uda1380_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&uda1380_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int uda1380_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec* codec = socdev->codec;
+
+ if (codec->control_data)
+ uda1380_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&uda1380_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_uda1380 = {
+ .probe = uda1380_probe,
+ .remove = uda1380_remove,
+ .suspend = uda1380_suspend,
+ .resume = uda1380_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_uda1380);
+
+MODULE_AUTHOR("Giorgio Padrin");
+MODULE_DESCRIPTION("Audio support for codec Philips UDA1380");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/uda1380.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/uda1380.h
@@ -0,0 +1,56 @@
+/*
+ * Audio support for Philips UDA1380
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Copyright (c) 2005 Giorgio Padrin <giorgio@mandarinlogiq.org>
+ */
+
+#define UDA1380_CLK 0x00
+#define UDA1380_IFACE 0x01
+#define UDA1380_PM 0x02
+#define UDA1380_AMIX 0x03
+#define UDA1380_HP 0x04
+#define UDA1380_MVOL 0x10
+#define UDA1380_MIXVOL 0x11
+#define UDA1380_MODE 0x12
+#define UDA1380_DEEMP 0x13
+#define UDA1380_MIXER 0x14
+#define UDA1380_INTSTAT 0x18
+#define UDA1380_DEC 0x20
+#define UDA1380_PGA 0x21
+#define UDA1380_ADC 0x22
+#define UDA1380_AGC 0x23
+#define UDA1380_DECSTAT 0x28
+#define UDA1380_RESET 0x7f
+
+#define UDA1380_CACHEREGNUM 0x24
+
+/* Register flags */
+#define R00_EN_ADC 0x0800
+#define R00_EN_DEC 0x0400
+#define R00_EN_DAC 0x0200
+#define R00_EN_INT 0x0100
+#define R02_PON_HP 0x2000
+#define R02_PON_DAC 0x0400
+#define R02_PON_BIAS 0x0100
+#define R02_PON_LNA 0x0010
+#define R02_PON_PGAL 0x0008
+#define R02_PON_ADCL 0x0004
+#define R02_PON_PGAR 0x0002
+#define R02_PON_ADCR 0x0001
+#define R13_MTM 0x4000
+#define R21_MT_ADC 0x8000
+#define R22_SEL_LNA 0x0008
+#define R22_SEL_MIC 0x0004
+#define R22_SKIP_DCFIL 0x0002
+#define R23_AGC_EN 0x0001
+
+struct uda1380_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai uda1380_dai;
+extern struct snd_soc_codec_device soc_codec_dev_uda1380;
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8731.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8731.c
@@ -0,0 +1,886 @@
+/*
+ * wm8731.c -- WM8731 ALSA SoC Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.c by Liam Girdwood
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8731.h"
+
+#define AUDIO_NAME "wm8731"
+#define WM8731_VERSION "0.12"
+
+/*
+ * Debug
+ */
+
+#define WM8731_DEBUG 0
+
+#ifdef WM8731_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+struct snd_soc_codec_device soc_codec_dev_wm8731;
+
+/*
+ * wm8731 register cache
+ * We can't read the WM8731 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ * There is no point in caching the reset register
+ */
+static const u16 wm8731_reg[WM8731_CACHEREGNUM] = {
+ 0x0097, 0x0097, 0x0079, 0x0079,
+ 0x000a, 0x0008, 0x009f, 0x000a,
+ 0x0000, 0x0000
+};
+
+#define WM8731_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF)
+
+#define WM8731_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8731_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define WM8731_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_mode wm8731_modes[] = {
+ /* codec frame and clock master modes */
+ /* 8k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 1536,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 2304,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 1408,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 2112,
+ .bfs = 64,
+ },
+
+ /* 32k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 576,
+ .bfs = 64,
+ },
+
+ /* 44.1k & 48k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+
+ /* 88.2 & 96k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 128,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 192,
+ .bfs = 64,
+ },
+
+ /* USB codec frame and clock master modes */
+ /* 8k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1500,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 44.1k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 272,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 48k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 250,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 88.2k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 136,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 96k */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 125,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8731_HIFI_BITS,
+ .pcmrate = WM8731_RATES,
+ .pcmdir = WM8731_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8731 register cache
+ */
+static inline unsigned int wm8731_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == WM8731_RESET)
+ return 0;
+ if (reg >= WM8731_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8731 register cache
+ */
+static inline void wm8731_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= WM8731_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8731 register space
+ */
+static int wm8731_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8731 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8731_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8731_reset(c) wm8731_write(c, WM8731_RESET, 0)
+
+static const char *wm8731_input_select[] = {"Line In", "Mic"};
+static const char *wm8731_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
+
+static const struct soc_enum wm8731_enum[] = {
+ SOC_ENUM_SINGLE(WM8731_APANA, 2, 2, wm8731_input_select),
+ SOC_ENUM_SINGLE(WM8731_APDIGI, 1, 4, wm8731_deemph),
+};
+
+static const struct snd_kcontrol_new wm8731_snd_controls[] = {
+
+SOC_DOUBLE_R("Master Playback Volume", WM8731_LOUT1V, WM8731_ROUT1V,
+ 0, 127, 0),
+SOC_DOUBLE_R("Master Playback ZC Switch", WM8731_LOUT1V, WM8731_ROUT1V,
+ 7, 1, 0),
+
+SOC_DOUBLE_R("Capture Volume", WM8731_LINVOL, WM8731_RINVOL, 0, 31, 0),
+SOC_DOUBLE_R("Line Capture Switch", WM8731_LINVOL, WM8731_RINVOL, 7, 1, 1),
+
+SOC_SINGLE("Mic Boost (+20dB)", WM8731_APANA, 0, 1, 0),
+SOC_SINGLE("Capture Mic Switch", WM8731_APANA, 1, 1, 1),
+
+SOC_SINGLE("Sidetone Playback Volume", WM8731_APANA, 6, 3, 1),
+
+SOC_SINGLE("ADC High Pass Filter Switch", WM8731_APDIGI, 0, 1, 1),
+SOC_SINGLE("Store DC Offset Switch", WM8731_APDIGI, 4, 1, 0),
+
+SOC_ENUM("Playback De-emphasis", wm8731_enum[1]),
+};
+
+/* add non dapm controls */
+static int wm8731_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8731_snd_controls); i++) {
+ if ((err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8731_snd_controls[i],codec, NULL))) < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Output Mixer */
+static const struct snd_kcontrol_new wm8731_output_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8731_APANA, 3, 1, 0),
+SOC_DAPM_SINGLE("Mic Sidetone Switch", WM8731_APANA, 5, 1, 0),
+SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0),
+};
+
+/* Input mux */
+static const struct snd_kcontrol_new wm8731_input_mux_controls =
+SOC_DAPM_ENUM("Input Select", wm8731_enum[0]);
+
+static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1,
+ &wm8731_output_mixer_controls[0],
+ ARRAY_SIZE(wm8731_output_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8731_PWR, 3, 1),
+SND_SOC_DAPM_OUTPUT("LOUT"),
+SND_SOC_DAPM_OUTPUT("LHPOUT"),
+SND_SOC_DAPM_OUTPUT("ROUT"),
+SND_SOC_DAPM_OUTPUT("RHPOUT"),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8731_PWR, 2, 1),
+SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &wm8731_input_mux_controls),
+SND_SOC_DAPM_PGA("Line Input", WM8731_PWR, 0, 1, NULL, 0),
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8731_PWR, 1, 1),
+SND_SOC_DAPM_INPUT("MICIN"),
+SND_SOC_DAPM_INPUT("RLINEIN"),
+SND_SOC_DAPM_INPUT("LLINEIN"),
+};
+
+static const char *intercon[][3] = {
+ /* output mixer */
+ {"Output Mixer", "Line Bypass Switch", "Line Input"},
+ {"Output Mixer", "HiFi Playback Switch", "DAC"},
+ {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"},
+
+ /* outputs */
+ {"RHPOUT", NULL, "Output Mixer"},
+ {"ROUT", NULL, "Output Mixer"},
+ {"LHPOUT", NULL, "Output Mixer"},
+ {"LOUT", NULL, "Output Mixer"},
+
+ /* input mux */
+ {"Input Mux", "Line In", "Line Input"},
+ {"Input Mux", "Mic", "Mic Bias"},
+ {"ADC", NULL, "Input Mux"},
+
+ /* inputs */
+ {"Line Input", NULL, "LLINEIN"},
+ {"Line Input", NULL, "RLINEIN"},
+ {"Mic Bias", NULL, "MICIN"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8731_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
+ }
+
+ /* set up audio path interconnects */
+ for(i = 0; intercon[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, intercon[i][0],
+ intercon[i][1], intercon[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:4;
+ u8 bosr:1;
+ u8 usb:1;
+};
+
+/* codec mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0, 0x0},
+ {18432000, 48000, 384, 0x0, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x0, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0x6, 0x0, 0x0},
+ {18432000, 32000, 576, 0x6, 0x1, 0x0},
+
+ /* 8k */
+ {12288000, 8000, 1536, 0x3, 0x0, 0x0},
+ {18432000, 8000, 2304, 0x3, 0x1, 0x0},
+ {11289600, 8000, 1408, 0xb, 0x0, 0x0},
+ {16934400, 8000, 2112, 0xb, 0x1, 0x0},
+ {12000000, 8000, 1500, 0x3, 0x0, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0x7, 0x0, 0x0},
+ {18432000, 96000, 192, 0x7, 0x1, 0x0},
+ {12000000, 96000, 125, 0x7, 0x0, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x8, 0x0, 0x0},
+ {16934400, 44100, 384, 0x8, 0x1, 0x0},
+ {12000000, 44100, 272, 0x8, 0x1, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0xf, 0x0, 0x0},
+ {16934400, 88200, 192, 0xf, 0x1, 0x0},
+ {12000000, 88200, 136, 0xf, 0x1, 0x1},
+};
+
+static inline int get_coeff(int mclk, int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+ if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+ return i;
+ }
+ return 0;
+}
+
+/* WM8731 supports numerous clocks per sample rate */
+static unsigned int wm8731_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ dai->mclk = 0;
+
+ /* check that the calculated FS and rate actually match a clock from
+ * the machine driver */
+ if (info->fs * info->rate == clk)
+ dai->mclk = clk;
+
+ return dai->mclk;
+}
+
+static int wm8731_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 iface = 0, srate;
+ int i = get_coeff(rtd->codec_dai->mclk,
+ snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate));
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface |= 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+ srate = (coeff_div[i].sr << 2) |
+ (coeff_div[i].bosr << 1) | coeff_div[i].usb;
+ wm8731_write(codec, WM8731_SRATE, srate);
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ iface |= 0x0008;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ iface |= 0x000c;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ }
+
+ /* set iface */
+ wm8731_write(codec, WM8731_IFACE, iface);
+
+ /* set active */
+ wm8731_write(codec, WM8731_ACTIVE, 0x0001);
+ return 0;
+}
+
+static void wm8731_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ /* deactivate */
+ if (!codec->active) {
+ udelay(50);
+ wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ }
+}
+
+static int wm8731_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8731_read_reg_cache(codec, WM8731_APDIGI) & 0xfff7;
+ if (mute)
+ wm8731_write(codec, WM8731_APDIGI, mute_reg | 0x8);
+ else
+ wm8731_write(codec, WM8731_APDIGI, mute_reg);
+ return 0;
+}
+
+static int wm8731_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 reg = wm8731_read_reg_cache(codec, WM8731_PWR) & 0xff7f;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, osc on, dac unmute */
+ wm8731_write(codec, WM8731_PWR, reg);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, */
+ wm8731_write(codec, WM8731_PWR, reg | 0x0040);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ wm8731_write(codec, WM8731_PWR, 0xffff);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8731_dai = {
+ .name = "WM8731",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = wm8731_config_sysclk,
+ .digital_mute = wm8731_mute,
+ .ops = {
+ .prepare = wm8731_pcm_prepare,
+ .shutdown = wm8731_shutdown,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8731_modes),
+ .mode = wm8731_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8731_dai);
+
+static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8731_write(codec, WM8731_ACTIVE, 0x0);
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8731_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8731_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8731 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8731_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8731";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8731_read_reg_cache;
+ codec->write = wm8731_write;
+ codec->dapm_event = wm8731_dapm_event;
+ codec->dai = &wm8731_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8731_reg);
+
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8731_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache,
+ wm8731_reg, sizeof(u16) * ARRAY_SIZE(wm8731_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8731_reg);
+
+ wm8731_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* set the update bits */
+ reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V);
+ wm8731_write(codec, WM8731_LOUT1V, reg | 0x0100);
+ reg = wm8731_read_reg_cache(codec, WM8731_ROUT1V);
+ wm8731_write(codec, WM8731_ROUT1V, reg | 0x0100);
+ reg = wm8731_read_reg_cache(codec, WM8731_LINVOL);
+ wm8731_write(codec, WM8731_LINVOL, reg | 0x0100);
+ reg = wm8731_read_reg_cache(codec, WM8731_RINVOL);
+ wm8731_write(codec, WM8731_RINVOL, reg | 0x0100);
+
+ wm8731_add_controls(codec);
+ wm8731_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *wm8731_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8731 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8731_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int wm8731_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8731_socdev;
+ struct wm8731_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8731_init(socdev);
+ if (ret < 0) {
+ err("failed to initialise WM8731\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8731_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec* codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8731_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8731_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8731_i2c_driver = {
+ .driver = {
+ .name = "WM8731 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8731,
+ .attach_adapter = wm8731_i2c_attach,
+ .detach_client = wm8731_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8731",
+ .driver = &wm8731_i2c_driver,
+};
+#endif
+
+static int wm8731_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8731_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8731 Audio Codec %s", WM8731_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8731_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8731_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8731_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8731_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8731 = {
+ .probe = wm8731_probe,
+ .remove = wm8731_remove,
+ .suspend = wm8731_suspend,
+ .resume = wm8731_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731);
+
+MODULE_DESCRIPTION("ASoC WM8731 driver");
+MODULE_AUTHOR("Richard Purdie");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8731.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8731.h
@@ -0,0 +1,41 @@
+/*
+ * wm8731.h -- WM8731 Soc Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8731_H
+#define _WM8731_H
+
+/* WM8731 register space */
+
+#define WM8731_LINVOL 0x00
+#define WM8731_RINVOL 0x01
+#define WM8731_LOUT1V 0x02
+#define WM8731_ROUT1V 0x03
+#define WM8731_APANA 0x04
+#define WM8731_APDIGI 0x05
+#define WM8731_PWR 0x06
+#define WM8731_IFACE 0x07
+#define WM8731_SRATE 0x08
+#define WM8731_ACTIVE 0x09
+#define WM8731_RESET 0x0f
+
+#define WM8731_CACHEREGNUM 10
+
+struct wm8731_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8731_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8731;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8750.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8750.c
@@ -0,0 +1,1282 @@
+/*
+ * wm8750.c -- WM8750 ALSA SoC audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on WM8753.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8750.h"
+
+#define AUDIO_NAME "WM8750"
+#define WM8750_VERSION "0.11"
+
+/*
+ * Debug
+ */
+
+#define WM8750_DEBUG 0
+
+#ifdef WM8750_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+static struct workqueue_struct *wm8750_workq = NULL;
+static struct work_struct wm8750_dapm_work;
+
+/*
+ * wm8750 register cache
+ * We can't read the WM8750 register space when we
+ * are using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8750_reg[] = {
+ 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
+ 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
+ 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
+ 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
+ 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
+ 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
+ 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
+ 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
+ 0x0079, 0x0079, 0x0079, /* 40 */
+};
+
+#define WM8750_HIFI_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF)
+
+#define WM8750_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8750_HIFI_FSB \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
+ SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
+
+#define WM8750_HIFI_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define WM8750_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_mode wm8750_modes[] = {
+ /* common codec frame and clock master modes */
+ /* 8k */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1536,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1408,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 2304,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 2112,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1500,
+ .bfs = WM8750_HIFI_FSB,
+ },
+
+ /* 11.025k */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1024,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1536,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1088,
+ .bfs = WM8750_HIFI_FSB,
+ },
+
+ /* 16k */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 768,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1152,
+ .bfs = WM8750_HIFI_FSB
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 750,
+ .bfs = WM8750_HIFI_FSB,
+ },
+
+ /* 22.05k */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 512,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 768,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 544,
+ .bfs = WM8750_HIFI_FSB,
+ },
+
+ /* 32k */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 384,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 576,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 375,
+ .bfs = WM8750_HIFI_FSB,
+ },
+
+ /* 44.1k & 48k */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 384,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 272,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 250,
+ .bfs = WM8750_HIFI_FSB,
+ },
+
+ /* 88.2k & 96k */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 128,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 192,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 136,
+ .bfs = WM8750_HIFI_FSB,
+ },
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 125,
+ .bfs = WM8750_HIFI_FSB,
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8750_HIFI_BITS,
+ .pcmrate = WM8750_HIFI_RATES,
+ .pcmdir = WM8750_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8750 register cache
+ */
+static inline unsigned int wm8750_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg > WM8750_CACHE_REGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8750 register cache
+ */
+static inline void wm8750_write_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg > WM8750_CACHE_REGNUM)
+ return;
+ cache[reg] = value;
+}
+
+static int wm8750_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8753 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8750_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8750_reset(c) wm8750_write(c, WM8750_RESET, 0)
+
+/*
+ * WM8750 Controls
+ */
+static const char *wm8750_bass[] = {"Linear Control", "Adaptive Boost"};
+static const char *wm8750_bass_filter[] = { "130Hz @ 48kHz", "200Hz @ 48kHz" };
+static const char *wm8750_treble[] = {"8kHz", "4kHz"};
+static const char *wm8750_3d_lc[] = {"200Hz", "500Hz"};
+static const char *wm8750_3d_uc[] = {"2.2kHz", "1.5kHz"};
+static const char *wm8750_3d_func[] = {"Capture", "Playback"};
+static const char *wm8750_alc_func[] = {"Off", "Right", "Left", "Stereo"};
+static const char *wm8750_ng_type[] = {"Constant PGA Gain",
+ "Mute ADC Output"};
+static const char *wm8750_line_mux[] = {"Line 1", "Line 2", "Line 3", "PGA",
+ "Differential"};
+static const char *wm8750_pga_sel[] = {"Line 1", "Line 2", "Line 3",
+ "Differential"};
+static const char *wm8750_out3[] = {"VREF", "ROUT1 + Vol", "MonoOut",
+ "ROUT1"};
+static const char *wm8750_diff_sel[] = {"Line 1", "Line 2"};
+static const char *wm8750_adcpol[] = {"Normal", "L Invert", "R Invert",
+ "L + R Invert"};
+static const char *wm8750_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"};
+static const char *wm8750_mono_mux[] = {"Stereo", "Mono (Left)",
+ "Mono (Right)", "Digital Mono"};
+
+static const struct soc_enum wm8750_enum[] = {
+SOC_ENUM_SINGLE(WM8750_BASS, 7, 2, wm8750_bass),
+SOC_ENUM_SINGLE(WM8750_BASS, 6, 2, wm8750_bass_filter),
+SOC_ENUM_SINGLE(WM8750_TREBLE, 6, 2, wm8750_treble),
+SOC_ENUM_SINGLE(WM8750_3D, 5, 2, wm8750_3d_lc),
+SOC_ENUM_SINGLE(WM8750_3D, 6, 2, wm8750_3d_uc),
+SOC_ENUM_SINGLE(WM8750_3D, 7, 2, wm8750_3d_func),
+SOC_ENUM_SINGLE(WM8750_ALC1, 7, 4, wm8750_alc_func),
+SOC_ENUM_SINGLE(WM8750_NGATE, 1, 2, wm8750_ng_type),
+SOC_ENUM_SINGLE(WM8750_LOUTM1, 0, 5, wm8750_line_mux),
+SOC_ENUM_SINGLE(WM8750_ROUTM1, 0, 5, wm8750_line_mux),
+SOC_ENUM_SINGLE(WM8750_LADCIN, 6, 4, wm8750_pga_sel), /* 10 */
+SOC_ENUM_SINGLE(WM8750_RADCIN, 6, 4, wm8750_pga_sel),
+SOC_ENUM_SINGLE(WM8750_ADCTL2, 7, 4, wm8750_out3),
+SOC_ENUM_SINGLE(WM8750_ADCIN, 8, 2, wm8750_diff_sel),
+SOC_ENUM_SINGLE(WM8750_ADCDAC, 5, 4, wm8750_adcpol),
+SOC_ENUM_SINGLE(WM8750_ADCDAC, 1, 4, wm8750_deemph),
+SOC_ENUM_SINGLE(WM8750_ADCIN, 6, 4, wm8750_mono_mux), /* 16 */
+
+};
+
+static const struct snd_kcontrol_new wm8750_snd_controls[] = {
+
+SOC_DOUBLE_R("Capture Volume", WM8750_LINVOL, WM8750_RINVOL, 0, 63, 0),
+SOC_DOUBLE_R("Capture ZC Switch", WM8750_LINVOL, WM8750_RINVOL, 6, 1, 0),
+SOC_DOUBLE_R("Capture Switch", WM8750_LINVOL, WM8750_RINVOL, 7, 1, 1),
+
+SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8750_LOUT1V,
+ WM8750_ROUT1V, 7, 1, 0),
+SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8750_LOUT2V,
+ WM8750_ROUT2V, 7, 1, 0),
+
+SOC_ENUM("Playback De-emphasis", wm8750_enum[15]),
+
+SOC_ENUM("Capture Polarity", wm8750_enum[14]),
+SOC_SINGLE("Playback 6dB Attenuate", WM8750_ADCDAC, 7, 1, 0),
+SOC_SINGLE("Capture 6dB Attenuate", WM8750_ADCDAC, 8, 1, 0),
+
+SOC_DOUBLE_R("PCM Volume", WM8750_LDAC, WM8750_RDAC, 0, 255, 0),
+
+SOC_ENUM("Bass Boost", wm8750_enum[0]),
+SOC_ENUM("Bass Filter", wm8750_enum[1]),
+SOC_SINGLE("Bass Volume", WM8750_BASS, 0, 15, 1),
+
+SOC_SINGLE("Treble Volume", WM8750_TREBLE, 0, 15, 0),
+SOC_ENUM("Treble Cut-off", wm8750_enum[2]),
+
+SOC_SINGLE("3D Switch", WM8750_3D, 0, 1, 0),
+SOC_SINGLE("3D Volume", WM8750_3D, 1, 15, 0),
+SOC_ENUM("3D Lower Cut-off", wm8750_enum[3]),
+SOC_ENUM("3D Upper Cut-off", wm8750_enum[4]),
+SOC_ENUM("3D Mode", wm8750_enum[5]),
+
+SOC_SINGLE("ALC Capture Target Volume", WM8750_ALC1, 0, 7, 0),
+SOC_SINGLE("ALC Capture Max Volume", WM8750_ALC1, 4, 7, 0),
+SOC_ENUM("ALC Capture Function", wm8750_enum[6]),
+SOC_SINGLE("ALC Capture ZC Switch", WM8750_ALC2, 7, 1, 0),
+SOC_SINGLE("ALC Capture Hold Time", WM8750_ALC2, 0, 15, 0),
+SOC_SINGLE("ALC Capture Decay Time", WM8750_ALC3, 4, 15, 0),
+SOC_SINGLE("ALC Capture Attack Time", WM8750_ALC3, 0, 15, 0),
+SOC_SINGLE("ALC Capture NG Threshold", WM8750_NGATE, 3, 31, 0),
+SOC_ENUM("ALC Capture NG Type", wm8750_enum[4]),
+SOC_SINGLE("ALC Capture NG Switch", WM8750_NGATE, 0, 1, 0),
+
+SOC_SINGLE("Left ADC Capture Volume", WM8750_LADC, 0, 255, 0),
+SOC_SINGLE("Right ADC Capture Volume", WM8750_RADC, 0, 255, 0),
+
+SOC_SINGLE("ZC Timeout Switch", WM8750_ADCTL1, 0, 1, 0),
+SOC_SINGLE("Playback Invert Switch", WM8750_ADCTL1, 1, 1, 0),
+
+SOC_SINGLE("Right Speaker Playback Invert Switch", WM8750_ADCTL2, 4, 1, 0),
+
+/* Unimplemented */
+/* ADCDAC Bit 0 - ADCHPD */
+/* ADCDAC Bit 4 - HPOR */
+/* ADCTL1 Bit 2,3 - DATSEL */
+/* ADCTL1 Bit 4,5 - DMONOMIX */
+/* ADCTL1 Bit 6,7 - VSEL */
+/* ADCTL2 Bit 2 - LRCM */
+/* ADCTL2 Bit 3 - TRI */
+/* ADCTL3 Bit 5 - HPFLREN */
+/* ADCTL3 Bit 6 - VROI */
+/* ADCTL3 Bit 7,8 - ADCLRM */
+/* ADCIN Bit 4 - LDCM */
+/* ADCIN Bit 5 - RDCM */
+
+SOC_DOUBLE_R("Mic Boost", WM8750_LADCIN, WM8750_RADCIN, 4, 3, 0),
+
+SOC_DOUBLE_R("Bypass Left Playback Volume", WM8750_LOUTM1,
+ WM8750_LOUTM2, 4, 7, 1),
+SOC_DOUBLE_R("Bypass Right Playback Volume", WM8750_ROUTM1,
+ WM8750_ROUTM2, 4, 7, 1),
+SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8750_MOUTM1,
+ WM8750_MOUTM2, 4, 7, 1),
+
+SOC_SINGLE("Mono Playback ZC Switch", WM8750_MOUTV, 7, 1, 0),
+
+SOC_DOUBLE_R("Headphone Playback Volume", WM8750_LOUT1V, WM8750_ROUT1V,
+ 0, 127, 0),
+SOC_DOUBLE_R("Speaker Playback Volume", WM8750_LOUT2V, WM8750_ROUT2V,
+ 0, 127, 0),
+
+SOC_SINGLE("Mono Playback Volume", WM8750_MOUTV, 0, 127, 0),
+
+};
+
+/* add non dapm controls */
+static int wm8750_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8750_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8750_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/*
+ * DAPM Controls
+ */
+
+/* Left Mixer */
+static const struct snd_kcontrol_new wm8750_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("Playback Switch", WM8750_LOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_LOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8750_LOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_LOUTM2, 7, 1, 0),
+};
+
+/* Right Mixer */
+static const struct snd_kcontrol_new wm8750_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8750_ROUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_ROUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Playback Switch", WM8750_ROUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_ROUTM2, 7, 1, 0),
+};
+
+/* Mono Mixer */
+static const struct snd_kcontrol_new wm8750_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8750_MOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8750_MOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8750_MOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8750_MOUTM2, 7, 1, 0),
+};
+
+/* Left Line Mux */
+static const struct snd_kcontrol_new wm8750_left_line_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[8]);
+
+/* Right Line Mux */
+static const struct snd_kcontrol_new wm8750_right_line_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[9]);
+
+/* Left PGA Mux */
+static const struct snd_kcontrol_new wm8750_left_pga_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[10]);
+
+/* Right PGA Mux */
+static const struct snd_kcontrol_new wm8750_right_pga_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[11]);
+
+/* Out 3 Mux */
+static const struct snd_kcontrol_new wm8750_out3_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[12]);
+
+/* Differential Mux */
+static const struct snd_kcontrol_new wm8750_diffmux_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[13]);
+
+/* Mono ADC Mux */
+static const struct snd_kcontrol_new wm8750_monomux_controls =
+SOC_DAPM_ENUM("Route", wm8750_enum[16]);
+
+static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
+ SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8750_left_mixer_controls[0],
+ ARRAY_SIZE(wm8750_left_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8750_right_mixer_controls[0],
+ ARRAY_SIZE(wm8750_right_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Mono Mixer", WM8750_PWR2, 2, 0,
+ &wm8750_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8750_mono_mixer_controls)),
+
+ SND_SOC_DAPM_PGA("Right Out 2", WM8750_PWR2, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 2", WM8750_PWR2, 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Out 1", WM8750_PWR2, 5, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 1", WM8750_PWR2, 6, 0, NULL, 0),
+ SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8750_PWR2, 7, 0),
+ SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8750_PWR2, 8, 0),
+
+ SND_SOC_DAPM_MICBIAS("Mic Bias", WM8750_PWR1, 1, 0),
+ SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8750_PWR1, 2, 0),
+ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8750_PWR1, 3, 0),
+
+ SND_SOC_DAPM_MUX("Left PGA Mux", WM8750_PWR1, 5, 0,
+ &wm8750_left_pga_controls),
+ SND_SOC_DAPM_MUX("Right PGA Mux", WM8750_PWR1, 4, 0,
+ &wm8750_right_pga_controls),
+ SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_left_line_controls),
+ SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_right_line_controls),
+
+ SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8750_out3_controls),
+ SND_SOC_DAPM_PGA("Out 3", WM8750_PWR2, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Mono Out 1", WM8750_PWR2, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_diffmux_controls),
+ SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_monomux_controls),
+ SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8750_monomux_controls),
+
+ SND_SOC_DAPM_OUTPUT("LOUT1"),
+ SND_SOC_DAPM_OUTPUT("ROUT1"),
+ SND_SOC_DAPM_OUTPUT("LOUT2"),
+ SND_SOC_DAPM_OUTPUT("ROUT2"),
+ SND_SOC_DAPM_OUTPUT("MONO"),
+ SND_SOC_DAPM_OUTPUT("OUT3"),
+
+ SND_SOC_DAPM_INPUT("LINPUT1"),
+ SND_SOC_DAPM_INPUT("LINPUT2"),
+ SND_SOC_DAPM_INPUT("LINPUT3"),
+ SND_SOC_DAPM_INPUT("RINPUT1"),
+ SND_SOC_DAPM_INPUT("RINPUT2"),
+ SND_SOC_DAPM_INPUT("RINPUT3"),
+};
+
+static const char *audio_map[][3] = {
+ /* left mixer */
+ {"Left Mixer", "Playback Switch", "Left DAC"},
+ {"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Left Mixer", "Right Playback Switch", "Right DAC"},
+ {"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* right mixer */
+ {"Right Mixer", "Left Playback Switch", "Left DAC"},
+ {"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Right Mixer", "Playback Switch", "Right DAC"},
+ {"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* left out 1 */
+ {"Left Out 1", NULL, "Left Mixer"},
+ {"LOUT1", NULL, "Left Out 1"},
+
+ /* left out 2 */
+ {"Left Out 2", NULL, "Left Mixer"},
+ {"LOUT2", NULL, "Left Out 2"},
+
+ /* right out 1 */
+ {"Right Out 1", NULL, "Right Mixer"},
+ {"ROUT1", NULL, "Right Out 1"},
+
+ /* right out 2 */
+ {"Right Out 2", NULL, "Right Mixer"},
+ {"ROUT2", NULL, "Right Out 2"},
+
+ /* mono mixer */
+ {"Mono Mixer", "Left Playback Switch", "Left DAC"},
+ {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Mono Mixer", "Right Playback Switch", "Right DAC"},
+ {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* mono out */
+ {"Mono Out 1", NULL, "Mono Mixer"},
+ {"MONO1", NULL, "Mono Out 1"},
+
+ /* out 3 */
+ {"Out3 Mux", "VREF", "VREF"},
+ {"Out3 Mux", "ROUT1 + Vol", "ROUT1"},
+ {"Out3 Mux", "ROUT1", "Right Mixer"},
+ {"Out3 Mux", "MonoOut", "MONO1"},
+ {"Out 3", NULL, "Out3 Mux"},
+ {"OUT3", NULL, "Out 3"},
+
+ /* Left Line Mux */
+ {"Left Line Mux", "Line 1", "LINPUT1"},
+ {"Left Line Mux", "Line 2", "LINPUT2"},
+ {"Left Line Mux", "Line 3", "LINPUT3"},
+ {"Left Line Mux", "PGA", "Left PGA Mux"},
+ {"Left Line Mux", "Differential", "Differential Mux"},
+
+ /* Right Line Mux */
+ {"Right Line Mux", "Line 1", "RINPUT1"},
+ {"Right Line Mux", "Line 2", "RINPUT2"},
+ {"Right Line Mux", "Line 3", "RINPUT3"},
+ {"Right Line Mux", "PGA", "Right PGA Mux"},
+ {"Right Line Mux", "Differential", "Differential Mux"},
+
+ /* Left PGA Mux */
+ {"Left PGA Mux", "Line 1", "LINPUT1"},
+ {"Left PGA Mux", "Line 2", "LINPUT2"},
+ {"Left PGA Mux", "Line 3", "LINPUT3"},
+ {"Left PGA Mux", "Differential", "Differential Mux"},
+
+ /* Right PGA Mux */
+ {"Right PGA Mux", "Line 1", "RINPUT1"},
+ {"Right PGA Mux", "Line 2", "RINPUT2"},
+ {"Right PGA Mux", "Line 3", "RINPUT3"},
+ {"Right PGA Mux", "Differential", "Differential Mux"},
+
+ /* Differential Mux */
+ {"Differential Mux", "Line 1", "LINPUT1"},
+ {"Differential Mux", "Line 1", "RINPUT1"},
+ {"Differential Mux", "Line 2", "LINPUT2"},
+ {"Differential Mux", "Line 2", "RINPUT2"},
+
+ /* Left ADC Mux */
+ {"Left ADC Mux", "Stereo", "Left PGA Mux"},
+ {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
+ {"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
+
+ /* Right ADC Mux */
+ {"Right ADC Mux", "Stereo", "Right PGA Mux"},
+ {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
+ {"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
+
+ /* ADC */
+ {"Left ADC", NULL, "Left ADC Mux"},
+ {"Right ADC", NULL, "Right ADC Mux"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8750_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:5;
+ u8 usb:1;
+};
+
+/* codec hifi mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 8k */
+ {12288000, 8000, 1536, 0x6, 0x0},
+ {11289600, 8000, 1408, 0x16, 0x0},
+ {18432000, 8000, 2304, 0x7, 0x0},
+ {16934400, 8000, 2112, 0x17, 0x0},
+ {12000000, 8000, 1500, 0x6, 0x1},
+
+ /* 11.025k */
+ {11289600, 11025, 1024, 0x18, 0x0},
+ {16934400, 11025, 1536, 0x19, 0x0},
+ {12000000, 11025, 1088, 0x19, 0x1},
+
+ /* 16k */
+ {12288000, 16000, 768, 0xa, 0x0},
+ {18432000, 16000, 1152, 0xb, 0x0},
+ {12000000, 16000, 750, 0xa, 0x1},
+
+ /* 22.05k */
+ {11289600, 22050, 512, 0x1a, 0x0},
+ {16934400, 22050, 768, 0x1b, 0x0},
+ {12000000, 22050, 544, 0x1b, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0xc, 0x0},
+ {18432000, 32000, 576, 0xd, 0x0},
+ {12000000, 32000, 375, 0xa, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x10, 0x0},
+ {16934400, 44100, 384, 0x11, 0x0},
+ {12000000, 44100, 272, 0x11, 0x1},
+
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0},
+ {18432000, 48000, 384, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0x1e, 0x0},
+ {16934400, 88200, 192, 0x1f, 0x0},
+ {12000000, 88200, 136, 0x1f, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0xe, 0x0},
+ {18432000, 96000, 192, 0xf, 0x0},
+ {12000000, 96000, 125, 0xe, 0x1},
+};
+
+static inline int get_coeff(int mclk, int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+ if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+ return i;
+ }
+
+ printk(KERN_ERR "wm8750: could not get coeff for mclk %d @ rate %d\n",
+ mclk, rate);
+ return -EINVAL;
+}
+
+/* WM8750 supports numerous input clocks per sample rate */
+static unsigned int wm8750_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ dai->mclk = clk;
+ return dai->mclk;
+}
+
+static int wm8750_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 iface = 0, bfs, srate = 0;
+ int i = get_coeff(rtd->codec_dai->mclk,
+ snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate));
+
+ /* is coefficient valid ? */
+ if (i < 0)
+ return i;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface = 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ iface |= 0x0008;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ iface |= 0x000c;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ }
+
+ /* set bclk divisor rate */
+ switch (bfs) {
+ case 1:
+ break;
+ case 4:
+ srate |= (0x1 << 7);
+ break;
+ case 8:
+ srate |= (0x2 << 7);
+ break;
+ case 16:
+ srate |= (0x3 << 7);
+ break;
+ }
+
+ /* set iface & srate */
+ wm8750_write(codec, WM8750_IFACE, iface);
+ wm8750_write(codec, WM8750_SRATE, srate |
+ (coeff_div[i].sr << 1) | coeff_div[i].usb);
+
+ return 0;
+}
+
+static int wm8750_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8750_read_reg_cache(codec, WM8750_ADCDAC) & 0xfff7;
+ if (mute)
+ wm8750_write(codec, WM8750_ADCDAC, mute_reg | 0x8);
+ else
+ wm8750_write(codec, WM8750_ADCDAC, mute_reg);
+ return 0;
+}
+
+static int wm8750_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 pwr_reg = wm8750_read_reg_cache(codec, WM8750_PWR1) & 0xfe3e;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* set vmid to 50k and unmute dac */
+ wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x00c0);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ /* set vmid to 5k for quick power up */
+ wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* mute dac and set vmid to 500k, enable VREF */
+ wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x0141);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ wm8750_write(codec, WM8750_PWR1, 0x0001);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8750_dai = {
+ .name = "WM8750",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = wm8750_config_sysclk,
+ .digital_mute = wm8750_mute,
+ .ops = {
+ .prepare = wm8750_pcm_prepare,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8750_modes),
+ .mode = wm8750_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8750_dai);
+
+static void wm8750_work(void *data)
+{
+ struct snd_soc_codec *codec = (struct snd_soc_codec *)data;
+ wm8750_dapm_event(codec, codec->dapm_state);
+}
+
+static int wm8750_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8750_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8750_reg); i++) {
+ if (i == WM8750_RESET)
+ continue;
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* charge wm8750 caps */
+ if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D0;
+ queue_delayed_work(wm8750_workq, &wm8750_dapm_work,
+ msecs_to_jiffies(1000));
+ }
+
+ return 0;
+}
+
+/*
+ * initialise the WM8750 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8750_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8750";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8750_read_reg_cache;
+ codec->write = wm8750_write;
+ codec->dapm_event = wm8750_dapm_event;
+ codec->dai = &wm8750_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8750_reg);
+
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8750_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8750_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8750_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8750_reg);
+
+ wm8750_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* charge output caps */
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D3hot;
+ queue_delayed_work(wm8750_workq, &wm8750_dapm_work,
+ msecs_to_jiffies(1000));
+
+ /* set the update bits */
+ reg = wm8750_read_reg_cache(codec, WM8750_LDAC);
+ wm8750_write(codec, WM8750_LDAC, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_RDAC);
+ wm8750_write(codec, WM8750_RDAC, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_LOUT1V);
+ wm8750_write(codec, WM8750_LOUT1V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_ROUT1V);
+ wm8750_write(codec, WM8750_ROUT1V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_LOUT2V);
+ wm8750_write(codec, WM8750_LOUT2V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_ROUT2V);
+ wm8750_write(codec, WM8750_ROUT2V, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_LINVOL);
+ wm8750_write(codec, WM8750_LINVOL, reg | 0x0100);
+ reg = wm8750_read_reg_cache(codec, WM8750_RINVOL);
+ wm8750_write(codec, WM8750_RINVOL, reg | 0x0100);
+
+ wm8750_add_controls(codec);
+ wm8750_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static struct snd_soc_device *wm8750_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8731 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8750_i2c_driver;
+static struct i2c_client client_template;
+
+static int wm8750_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8750_socdev;
+ struct wm8750_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8750_init(socdev);
+ if (ret < 0) {
+ err("failed to initialise WM8750\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8750_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8750_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8750_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8750_i2c_driver = {
+ .driver = {
+ .name = "WM8750 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8750,
+ .attach_adapter = wm8750_i2c_attach,
+ .detach_client = wm8750_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8750",
+ .driver = &wm8750_i2c_driver,
+};
+#endif
+
+static int wm8750_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8750_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8750 Audio Codec %s", WM8750_VERSION);
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+ wm8750_socdev = socdev;
+ INIT_WORK(&wm8750_dapm_work, wm8750_work, codec);
+ wm8750_workq = create_workqueue("wm8750");
+ if (wm8750_workq == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8750_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+
+ return ret;
+}
+
+/* power down chip */
+static int wm8750_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ if (wm8750_workq)
+ destroy_workqueue(wm8750_workq);
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8750_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8750 = {
+ .probe = wm8750_probe,
+ .remove = wm8750_remove,
+ .suspend = wm8750_suspend,
+ .resume = wm8750_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750);
+
+MODULE_DESCRIPTION("ASoC WM8750 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8750.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8750.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on WM8753.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef _WM8750_H
+#define _WM8750_H
+
+/* WM8750 register space */
+
+#define WM8750_LINVOL 0x00
+#define WM8750_RINVOL 0x01
+#define WM8750_LOUT1V 0x02
+#define WM8750_ROUT1V 0x03
+#define WM8750_ADCDAC 0x05
+#define WM8750_IFACE 0x07
+#define WM8750_SRATE 0x08
+#define WM8750_LDAC 0x0a
+#define WM8750_RDAC 0x0b
+#define WM8750_BASS 0x0c
+#define WM8750_TREBLE 0x0d
+#define WM8750_RESET 0x0f
+#define WM8750_3D 0x10
+#define WM8750_ALC1 0x11
+#define WM8750_ALC2 0x12
+#define WM8750_ALC3 0x13
+#define WM8750_NGATE 0x14
+#define WM8750_LADC 0x15
+#define WM8750_RADC 0x16
+#define WM8750_ADCTL1 0x17
+#define WM8750_ADCTL2 0x18
+#define WM8750_PWR1 0x19
+#define WM8750_PWR2 0x1a
+#define WM8750_ADCTL3 0x1b
+#define WM8750_ADCIN 0x1f
+#define WM8750_LADCIN 0x20
+#define WM8750_RADCIN 0x21
+#define WM8750_LOUTM1 0x22
+#define WM8750_LOUTM2 0x23
+#define WM8750_ROUTM1 0x24
+#define WM8750_ROUTM2 0x25
+#define WM8750_MOUTM1 0x26
+#define WM8750_MOUTM2 0x27
+#define WM8750_LOUT2V 0x28
+#define WM8750_ROUT2V 0x29
+#define WM8750_MOUTV 0x2a
+
+#define WM8750_CACHE_REGNUM 0x2a
+
+struct wm8750_setup_data {
+ unsigned short i2c_address;
+ unsigned int mclk;
+};
+
+extern struct snd_soc_codec_dai wm8750_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8750;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8753.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8753.c
@@ -0,0 +1,2128 @@
+/*
+ * wm8753.c -- WM8753 ALSA Soc Audio driver
+ *
+ * Copyright 2003 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Notes:
+ * The WM8753 is a low power, high quality stereo codec with integrated PCM
+ * codec designed for portable digital telephony applications.
+ *
+ * Dual DAI:-
+ *
+ * This driver support 2 DAI PCM's. This makes the default PCM available for
+ * HiFi audio (e.g. MP3, ogg) playback/capture and the other PCM available for
+ * voice.
+ *
+ * Please note that the voice PCM can be connected directly to a Bluetooth
+ * codec or GSM modem and thus cannot be read or written to, although it is
+ * available to be configured with snd_hw_params(), etc and kcontrols in the
+ * normal alsa manner.
+ *
+ * Fast DAI switching:-
+ *
+ * The driver can now fast switch between the DAI configurations via a
+ * an alsa kcontrol. This allows the PCM to remain open.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8753.h"
+
+#define AUDIO_NAME "wm8753"
+#define WM8753_VERSION "0.16"
+
+/*
+ * Debug
+ */
+
+#define WM8753_DEBUG 0
+
+#ifdef WM8753_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+static int caps_charge = 2000;
+module_param(caps_charge, int, 0);
+MODULE_PARM_DESC(caps_charge, "WM8753 cap charge time (msecs)");
+
+static struct workqueue_struct *wm8753_workq = NULL;
+static struct work_struct wm8753_dapm_work;
+static void wm8753_set_dai_mode(struct snd_soc_codec *codec,
+ unsigned int mode);
+
+/*
+ * wm8753 register cache
+ * We can't read the WM8753 register space when we
+ * are using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8753_reg[] = {
+ 0x0008, 0x0000, 0x000a, 0x000a,
+ 0x0033, 0x0000, 0x0007, 0x00ff,
+ 0x00ff, 0x000f, 0x000f, 0x007b,
+ 0x0000, 0x0032, 0x0000, 0x00c3,
+ 0x00c3, 0x00c0, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0055,
+ 0x0005, 0x0050, 0x0055, 0x0050,
+ 0x0055, 0x0050, 0x0055, 0x0079,
+ 0x0079, 0x0079, 0x0079, 0x0079,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0097, 0x0097, 0x0000, 0x0004,
+ 0x0000, 0x0083, 0x0024, 0x01ba,
+ 0x0000, 0x0083, 0x0024, 0x01ba,
+ 0x0000, 0x0000
+};
+
+#define WM8753_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_IB_IF)
+
+#define WM8753_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8753_HIFI_FSB \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
+ SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
+
+#define WM8753_HIFI_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define WM8753_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+/*
+ * HiFi modes
+ */
+static struct snd_soc_dai_mode wm8753_hifi_modes[] = {
+ /* codec frame and clock master modes */
+ /* 8k */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1536,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1408,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 2304,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 2112,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1500,
+ .bfs = WM8753_HIFI_FSB,
+ },
+
+ /* 11.025k */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1024,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1536,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1088,
+ .bfs = WM8753_HIFI_FSB,
+ },
+
+ /* 16k */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 768,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt= WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1152,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 750,
+ .bfs = WM8753_HIFI_FSB,
+ },
+
+ /* 22.05k */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 512,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 768,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 544,
+ .bfs = WM8753_HIFI_FSB,
+ },
+
+ /* 32k */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 384,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 576,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 375,
+ .bfs = WM8753_HIFI_FSB,
+ },
+
+ /* 44.1k & 48k */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 384,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 250,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 272,
+ .bfs = WM8753_HIFI_FSB,
+ },
+
+ /* 88.2k & 96k */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 128,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 192,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 136,
+ .bfs = WM8753_HIFI_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 125,
+ .bfs = WM8753_HIFI_FSB,
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = WM8753_HIFI_RATES,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+#define WM8753_VOICE_FSB \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
+ SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
+
+#define WM8753_VOICE_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+#define WM8753_VOICE_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+/*
+ * Voice modes
+ */
+static struct snd_soc_dai_mode wm8753_voice_modes[] = {
+
+ /* master modes */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_VOICE_BITS,
+ .pcmrate = WM8753_VOICE_RATES,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = WM8753_VOICE_FSB,
+ },
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM8753_VOICE_BITS,
+ .pcmrate = WM8753_VOICE_RATES,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 384,
+ .bfs = WM8753_VOICE_FSB,
+ },
+
+ /* slave modes */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8753_VOICE_BITS,
+ .pcmrate = WM8753_VOICE_RATES,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+
+/*
+ * Mode 4
+ */
+static struct snd_soc_dai_mode wm8753_mixed_modes[] = {
+ /* slave modes */
+ {
+ .fmt = WM8753_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8753_HIFI_BITS,
+ .pcmrate = WM8753_HIFI_RATES,
+ .pcmdir = WM8753_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8753 register cache
+ */
+static inline unsigned int wm8753_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg < 1 || reg > (ARRAY_SIZE(wm8753_reg) + 1))
+ return -1;
+ return cache[reg - 1];
+}
+
+/*
+ * write wm8753 register cache
+ */
+static inline void wm8753_write_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg < 1 || reg > 0x3f)
+ return;
+ cache[reg - 1] = value;
+}
+
+/*
+ * write to the WM8753 register space
+ */
+static int wm8753_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8753 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8753_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8753_reset(c) wm8753_write(c, WM8753_RESET, 0)
+
+/*
+ * WM8753 Controls
+ */
+static const char *wm8753_base[] = {"Linear Control", "Adaptive Boost"};
+static const char *wm8753_base_filter[] =
+ {"130Hz @ 48kHz", "200Hz @ 48kHz", "100Hz @ 16kHz", "400Hz @ 48kHz",
+ "100Hz @ 8kHz", "200Hz @ 8kHz"};
+static const char *wm8753_treble[] = {"8kHz", "4kHz"};
+static const char *wm8753_alc_func[] = {"Off", "Right", "Left", "Stereo"};
+static const char *wm8753_ng_type[] = {"Constant PGA Gain", "Mute ADC Output"};
+static const char *wm8753_3d_func[] = {"Capture", "Playback"};
+static const char *wm8753_3d_uc[] = {"2.2kHz", "1.5kHz"};
+static const char *wm8753_3d_lc[] = {"200Hz", "500Hz"};
+static const char *wm8753_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"};
+static const char *wm8753_mono_mix[] = {"Stereo", "Left", "Right", "Mono"};
+static const char *wm8753_dac_phase[] = {"Non Inverted", "Inverted"};
+static const char *wm8753_line_mix[] = {"Line 1 + 2", "Line 1 - 2",
+ "Line 1", "Line 2"};
+static const char *wm8753_mono_mux[] = {"Line Mix", "Rx Mix"};
+static const char *wm8753_right_mux[] = {"Line 2", "Rx Mix"};
+static const char *wm8753_left_mux[] = {"Line 1", "Rx Mix"};
+static const char *wm8753_rxmsel[] = {"RXP - RXN", "RXP + RXN", "RXP", "RXN"};
+static const char *wm8753_sidetone_mux[] = {"Left PGA", "Mic 1", "Mic 2",
+ "Right PGA"};
+static const char *wm8753_mono2_src[] = {"Inverted Mono 1", "Left", "Right",
+ "Left + Right"};
+static const char *wm8753_out3[] = {"VREF", "ROUT2", "Left + Right"};
+static const char *wm8753_out4[] = {"VREF", "Capture ST", "LOUT2"};
+static const char *wm8753_radcsel[] = {"PGA", "Line or RXP-RXN", "Sidetone"};
+static const char *wm8753_ladcsel[] = {"PGA", "Line or RXP-RXN", "Line"};
+static const char *wm8753_mono_adc[] = {"Stereo", "Analogue Mix Left",
+ "Analogue Mix Right", "Digital Mono Mix"};
+static const char *wm8753_adc_hp[] = {"3.4Hz @ 48kHz", "82Hz @ 16k",
+ "82Hz @ 8kHz", "170Hz @ 8kHz"};
+static const char *wm8753_adc_filter[] = {"HiFi", "Voice"};
+static const char *wm8753_mic_sel[] = {"Mic 1", "Mic 2", "Mic 3"};
+static const char *wm8753_dai_mode[] = {"DAI 0", "DAI 1", "DAI 2", "DAI 3"};
+
+static const struct soc_enum wm8753_enum[] = {
+SOC_ENUM_SINGLE(WM8753_BASS, 7, 2, wm8753_base), // 0
+SOC_ENUM_SINGLE(WM8753_BASS, 4, 6, wm8753_base_filter), // 1
+SOC_ENUM_SINGLE(WM8753_TREBLE, 6, 2, wm8753_treble), // 2
+SOC_ENUM_SINGLE(WM8753_ALC1, 7, 4, wm8753_alc_func), // 3
+SOC_ENUM_SINGLE(WM8753_NGATE, 1, 2, wm8753_ng_type), // 4
+SOC_ENUM_SINGLE(WM8753_3D, 7, 2, wm8753_3d_func), // 5
+SOC_ENUM_SINGLE(WM8753_3D, 6, 2, wm8753_3d_uc), // 6
+SOC_ENUM_SINGLE(WM8753_3D, 5, 2, wm8753_3d_lc), // 7
+SOC_ENUM_SINGLE(WM8753_DAC, 1, 4, wm8753_deemp), // 8
+SOC_ENUM_SINGLE(WM8753_DAC, 4, 4, wm8753_mono_mix), // 9
+SOC_ENUM_SINGLE(WM8753_DAC, 6, 2, wm8753_dac_phase), // 10
+SOC_ENUM_SINGLE(WM8753_INCTL1, 3, 4, wm8753_line_mix), // 11
+SOC_ENUM_SINGLE(WM8753_INCTL1, 2, 2, wm8753_mono_mux), // 12
+SOC_ENUM_SINGLE(WM8753_INCTL1, 1, 2, wm8753_right_mux), // 13
+SOC_ENUM_SINGLE(WM8753_INCTL1, 0, 2, wm8753_left_mux), // 14
+SOC_ENUM_SINGLE(WM8753_INCTL2, 6, 4, wm8753_rxmsel), // 15
+SOC_ENUM_SINGLE(WM8753_INCTL2, 4, 4, wm8753_sidetone_mux),// 16
+SOC_ENUM_SINGLE(WM8753_OUTCTL, 7, 4, wm8753_mono2_src), // 17
+SOC_ENUM_SINGLE(WM8753_OUTCTL, 0, 3, wm8753_out3), // 18
+SOC_ENUM_SINGLE(WM8753_ADCTL2, 7, 3, wm8753_out4), // 19
+SOC_ENUM_SINGLE(WM8753_ADCIN, 2, 3, wm8753_radcsel), // 20
+SOC_ENUM_SINGLE(WM8753_ADCIN, 0, 3, wm8753_ladcsel), // 21
+SOC_ENUM_SINGLE(WM8753_ADCIN, 4, 4, wm8753_mono_adc), // 22
+SOC_ENUM_SINGLE(WM8753_ADC, 2, 4, wm8753_adc_hp), // 23
+SOC_ENUM_SINGLE(WM8753_ADC, 4, 2, wm8753_adc_filter), // 24
+SOC_ENUM_SINGLE(WM8753_MICBIAS, 6, 3, wm8753_mic_sel), // 25
+SOC_ENUM_SINGLE(WM8753_IOCTL, 2, 4, wm8753_dai_mode), // 26
+};
+
+
+static int wm8753_get_dai(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL);
+
+ ucontrol->value.integer.value[0] = (mode & 0xc) >> 2;
+ return 0;
+}
+
+static int wm8753_set_dai(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int mode = wm8753_read_reg_cache(codec, WM8753_IOCTL);
+
+ if (((mode &0xc) >> 2) == ucontrol->value.integer.value[0])
+ return 0;
+
+ mode &= 0xfff3;
+ mode |= (ucontrol->value.integer.value[0] << 2);
+
+ wm8753_write(codec, WM8753_IOCTL, mode);
+ wm8753_set_dai_mode(codec, ucontrol->value.integer.value[0]);
+ return 1;
+}
+
+static const struct snd_kcontrol_new wm8753_snd_controls[] = {
+SOC_DOUBLE_R("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0),
+
+SOC_DOUBLE_R("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 63, 0),
+SOC_DOUBLE_R("ADC Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 0),
+SOC_DOUBLE_R("ADC Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0),
+
+SOC_DOUBLE_R("Headphone Playback Volume", WM8753_LOUT1V, WM8753_ROUT1V, 0, 127, 0),
+SOC_DOUBLE_R("Speaker Playback Volume", WM8753_LOUT2V, WM8753_ROUT2V, 0, 127, 0),
+
+SOC_SINGLE("Mono Playback Volume", WM8753_MOUTV, 0, 127, 0),
+
+SOC_DOUBLE_R("Bypass Playback Volume", WM8753_LOUTM1, WM8753_ROUTM1, 4, 7, 1),
+SOC_DOUBLE_R("Sidetone Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 4, 7, 1),
+SOC_DOUBLE_R("Voice Playback Volume", WM8753_LOUTM2, WM8753_ROUTM2, 0, 7, 1),
+
+SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8753_LOUT1V, WM8753_ROUT1V, 7, 1, 0),
+SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8753_LOUT2V, WM8753_ROUT2V, 7, 1, 0),
+
+SOC_SINGLE("Mono Bypass Playback Volume", WM8753_MOUTM1, 4, 7, 1),
+SOC_SINGLE("Mono Sidetone Playback Volume", WM8753_MOUTM2, 4, 7, 1),
+SOC_SINGLE("Mono Voice Playback Volume", WM8753_MOUTM2, 4, 7, 1),
+SOC_SINGLE("Mono Playback ZC Switch", WM8753_MOUTV, 7, 1, 0),
+
+SOC_ENUM("Bass Boost", wm8753_enum[0]),
+SOC_ENUM("Bass Filter", wm8753_enum[1]),
+SOC_SINGLE("Bass Volume", WM8753_BASS, 0, 7, 1),
+
+SOC_SINGLE("Treble Volume", WM8753_TREBLE, 0, 7, 0),
+SOC_ENUM("Treble Cut-off", wm8753_enum[2]),
+
+SOC_DOUBLE("Sidetone Capture Volume", WM8753_RECMIX1, 0, 4, 7, 1),
+SOC_SINGLE("Voice Sidetone Capture Volume", WM8753_RECMIX2, 0, 7, 1),
+
+SOC_DOUBLE_R("Capture Volume", WM8753_LINVOL, WM8753_RINVOL, 0, 63, 0),
+SOC_DOUBLE_R("Capture ZC Switch", WM8753_LINVOL, WM8753_RINVOL, 6, 1, 0),
+SOC_DOUBLE_R("Capture Switch", WM8753_LINVOL, WM8753_RINVOL, 7, 1, 0),
+
+SOC_ENUM("Capture Filter Select", wm8753_enum[23]),
+SOC_ENUM("Capture Filter Cut-off", wm8753_enum[24]),
+SOC_SINGLE("Capture Filter Switch", WM8753_ADC, 0, 1, 1),
+
+SOC_SINGLE("ALC Capture Target Volume", WM8753_ALC1, 0, 7, 0),
+SOC_SINGLE("ALC Capture Max Volume", WM8753_ALC1, 4, 7, 0),
+SOC_ENUM("ALC Capture Function", wm8753_enum[3]),
+SOC_SINGLE("ALC Capture ZC Switch", WM8753_ALC2, 8, 1, 0),
+SOC_SINGLE("ALC Capture Hold Time", WM8753_ALC2, 0, 15, 1),
+SOC_SINGLE("ALC Capture Decay Time", WM8753_ALC3, 4, 15, 1),
+SOC_SINGLE("ALC Capture Attack Time", WM8753_ALC3, 0, 15, 0),
+SOC_SINGLE("ALC Capture NG Threshold", WM8753_NGATE, 3, 31, 0),
+SOC_ENUM("ALC Capture NG Type", wm8753_enum[4]),
+SOC_SINGLE("ALC Capture NG Switch", WM8753_NGATE, 0, 1, 0),
+
+SOC_ENUM("3D Function", wm8753_enum[5]),
+SOC_ENUM("3D Upper Cut-off", wm8753_enum[6]),
+SOC_ENUM("3D Lower Cut-off", wm8753_enum[7]),
+SOC_SINGLE("3D Volume", WM8753_3D, 1, 15, 0),
+SOC_SINGLE("3D Switch", WM8753_3D, 0, 1, 0),
+
+SOC_SINGLE("Capture 6dB Attenuate", WM8753_ADCTL1, 2, 1, 0),
+SOC_SINGLE("Playback 6dB Attenuate", WM8753_ADCTL1, 1, 1, 0),
+
+SOC_ENUM("De-emphasis", wm8753_enum[8]),
+SOC_ENUM("Playback Mono Mix", wm8753_enum[9]),
+SOC_ENUM("Playback Phase", wm8753_enum[10]),
+
+SOC_SINGLE("Mic2 Capture Volume", WM8753_INCTL1, 7, 3, 0),
+SOC_SINGLE("Mic1 Capture Volume", WM8753_INCTL1, 5, 3, 0),
+
+SOC_ENUM_EXT("DAI Mode", wm8753_enum[26], wm8753_get_dai, wm8753_set_dai),
+};
+
+/* add non dapm controls */
+static int wm8753_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8753_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8753_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/*
+ * _DAPM_ Controls
+ */
+
+/* Left Mixer */
+static const struct snd_kcontrol_new wm8753_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_LOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_LOUTM2, 7, 1, 0),
+SOC_DAPM_SINGLE("Left Playback Switch", WM8753_LOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_LOUTM1, 7, 1, 0),
+};
+
+/* Right mixer */
+static const struct snd_kcontrol_new wm8753_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_ROUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_ROUTM2, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8753_ROUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_ROUTM1, 7, 1, 0),
+};
+
+/* Mono mixer */
+static const struct snd_kcontrol_new wm8753_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8753_MOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8753_MOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Voice Playback Switch", WM8753_MOUTM2, 3, 1, 0),
+SOC_DAPM_SINGLE("Sidetone Playback Switch", WM8753_MOUTM2, 7, 1, 0),
+SOC_DAPM_SINGLE("Bypass Playback Switch", WM8753_MOUTM1, 7, 1, 0),
+};
+
+/* Mono 2 Mux */
+static const struct snd_kcontrol_new wm8753_mono2_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[17]);
+
+/* Out 3 Mux */
+static const struct snd_kcontrol_new wm8753_out3_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[18]);
+
+/* Out 4 Mux */
+static const struct snd_kcontrol_new wm8753_out4_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[19]);
+
+/* ADC Mono Mix */
+static const struct snd_kcontrol_new wm8753_adc_mono_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[22]);
+
+/* Record mixer */
+static const struct snd_kcontrol_new wm8753_record_mixer_controls[] = {
+SOC_DAPM_SINGLE("Voice Capture Switch", WM8753_RECMIX2, 3, 1, 0),
+SOC_DAPM_SINGLE("Left Capture Switch", WM8753_RECMIX1, 3, 1, 0),
+SOC_DAPM_SINGLE("Right Capture Switch", WM8753_RECMIX1, 7, 1, 0),
+};
+
+/* Left ADC mux */
+static const struct snd_kcontrol_new wm8753_adc_left_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[21]);
+
+/* Right ADC mux */
+static const struct snd_kcontrol_new wm8753_adc_right_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[20]);
+
+/* MIC mux */
+static const struct snd_kcontrol_new wm8753_mic_mux_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[16]);
+
+/* ALC mixer */
+static const struct snd_kcontrol_new wm8753_alc_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Capture Switch", WM8753_INCTL2, 3, 1, 0),
+SOC_DAPM_SINGLE("Mic2 Capture Switch", WM8753_INCTL2, 2, 1, 0),
+SOC_DAPM_SINGLE("Mic1 Capture Switch", WM8753_INCTL2, 1, 1, 0),
+SOC_DAPM_SINGLE("Rx Capture Switch", WM8753_INCTL2, 0, 1, 0),
+};
+
+/* Left Line mux */
+static const struct snd_kcontrol_new wm8753_line_left_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[14]);
+
+/* Right Line mux */
+static const struct snd_kcontrol_new wm8753_line_right_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[13]);
+
+/* Mono Line mux */
+static const struct snd_kcontrol_new wm8753_line_mono_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[12]);
+
+/* Line mux and mixer */
+static const struct snd_kcontrol_new wm8753_line_mux_mix_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[11]);
+
+/* Rx mux and mixer */
+static const struct snd_kcontrol_new wm8753_rx_mux_mix_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[15]);
+
+/* Mic Selector Mux */
+static const struct snd_kcontrol_new wm8753_mic_sel_mux_controls =
+SOC_DAPM_ENUM("Route", wm8753_enum[25]);
+
+static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = {
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8753_PWR1, 5, 0),
+SND_SOC_DAPM_MIXER("Left Mixer", WM8753_PWR4, 0, 0,
+ &wm8753_left_mixer_controls[0], ARRAY_SIZE(wm8753_left_mixer_controls)),
+SND_SOC_DAPM_PGA("Left Out 1", WM8753_PWR3, 8, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Left Out 2", WM8753_PWR3, 6, 0, NULL, 0),
+SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", WM8753_PWR1, 3, 0),
+SND_SOC_DAPM_OUTPUT("LOUT1"),
+SND_SOC_DAPM_OUTPUT("LOUT2"),
+SND_SOC_DAPM_MIXER("Right Mixer", WM8753_PWR4, 1, 0,
+ &wm8753_right_mixer_controls[0], ARRAY_SIZE(wm8753_right_mixer_controls)),
+SND_SOC_DAPM_PGA("Right Out 1", WM8753_PWR3, 7, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Right Out 2", WM8753_PWR3, 5, 0, NULL, 0),
+SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", WM8753_PWR1, 2, 0),
+SND_SOC_DAPM_OUTPUT("ROUT1"),
+SND_SOC_DAPM_OUTPUT("ROUT2"),
+SND_SOC_DAPM_MIXER("Mono Mixer", WM8753_PWR4, 2, 0,
+ &wm8753_mono_mixer_controls[0], ARRAY_SIZE(wm8753_mono_mixer_controls)),
+SND_SOC_DAPM_PGA("Mono Out 1", WM8753_PWR3, 2, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out 2", WM8753_PWR3, 1, 0, NULL, 0),
+SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", WM8753_PWR1, 4, 0),
+SND_SOC_DAPM_OUTPUT("MONO1"),
+SND_SOC_DAPM_MUX("Mono 2 Mux", SND_SOC_NOPM, 0, 0, &wm8753_mono2_controls),
+SND_SOC_DAPM_OUTPUT("MONO2"),
+SND_SOC_DAPM_MIXER("Out3 Left + Right", -1, 0, 0, NULL, 0),
+SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out3_controls),
+SND_SOC_DAPM_PGA("Out 3", WM8753_PWR3, 4, 0, NULL, 0),
+SND_SOC_DAPM_OUTPUT("OUT3"),
+SND_SOC_DAPM_MUX("Out4 Mux", SND_SOC_NOPM, 0, 0, &wm8753_out4_controls),
+SND_SOC_DAPM_PGA("Out 4", WM8753_PWR3, 3, 0, NULL, 0),
+SND_SOC_DAPM_OUTPUT("OUT4"),
+SND_SOC_DAPM_MIXER("Playback Mixer", WM8753_PWR4, 3, 0,
+ &wm8753_record_mixer_controls[0],
+ ARRAY_SIZE(wm8753_record_mixer_controls)),
+SND_SOC_DAPM_ADC("Left ADC", "Left Voice Capture", WM8753_PWR2, 3, 0),
+SND_SOC_DAPM_ADC("Right ADC", "Right Voice Capture", WM8753_PWR2, 2, 0),
+SND_SOC_DAPM_MUX("Capture Left Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8753_adc_mono_controls),
+SND_SOC_DAPM_MUX("Capture Right Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8753_adc_mono_controls),
+SND_SOC_DAPM_MUX("Capture Left Mux", SND_SOC_NOPM, 0, 0,
+ &wm8753_adc_left_controls),
+SND_SOC_DAPM_MUX("Capture Right Mux", SND_SOC_NOPM, 0, 0,
+ &wm8753_adc_right_controls),
+SND_SOC_DAPM_MUX("Mic Sidetone Mux", SND_SOC_NOPM, 0, 0,
+ &wm8753_mic_mux_controls),
+SND_SOC_DAPM_PGA("Left Capture Volume", WM8753_PWR2, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Right Capture Volume", WM8753_PWR2, 4, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("ALC Mixer", WM8753_PWR2, 6, 0,
+ &wm8753_alc_mixer_controls[0], ARRAY_SIZE(wm8753_alc_mixer_controls)),
+SND_SOC_DAPM_MUX("Line Left Mux", SND_SOC_NOPM, 0, 0,
+ &wm8753_line_left_controls),
+SND_SOC_DAPM_MUX("Line Right Mux", SND_SOC_NOPM, 0, 0,
+ &wm8753_line_right_controls),
+SND_SOC_DAPM_MUX("Line Mono Mux", SND_SOC_NOPM, 0, 0,
+ &wm8753_line_mono_controls),
+SND_SOC_DAPM_MUX("Line Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8753_line_mux_mix_controls),
+SND_SOC_DAPM_MUX("Rx Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8753_rx_mux_mix_controls),
+SND_SOC_DAPM_PGA("Mic 1 Volume", WM8753_PWR2, 8, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mic 2 Volume", WM8753_PWR2, 7, 0, NULL, 0),
+SND_SOC_DAPM_MUX("Mic Selection Mux", SND_SOC_NOPM, 0, 0,
+ &wm8753_mic_sel_mux_controls),
+SND_SOC_DAPM_INPUT("LINE1"),
+SND_SOC_DAPM_INPUT("LINE2"),
+SND_SOC_DAPM_INPUT("RXP"),
+SND_SOC_DAPM_INPUT("RXN"),
+SND_SOC_DAPM_INPUT("ACIN"),
+SND_SOC_DAPM_INPUT("ACOP"),
+SND_SOC_DAPM_INPUT("MIC1N"),
+SND_SOC_DAPM_INPUT("MIC1"),
+SND_SOC_DAPM_INPUT("MIC2N"),
+SND_SOC_DAPM_INPUT("MIC2"),
+SND_SOC_DAPM_VMID("VREF"),
+};
+
+static const char *audio_map[][3] = {
+ /* left mixer */
+ {"Left Mixer", "Left Playback Switch", "Left DAC"},
+ {"Left Mixer", "Voice Playback Switch", "Voice DAC"},
+ {"Left Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
+ {"Left Mixer", "Bypass Playback Switch", "Line Left Mux"},
+
+ /* right mixer */
+ {"Right Mixer", "Right Playback Switch", "Right DAC"},
+ {"Right Mixer", "Voice Playback Switch", "Voice DAC"},
+ {"Right Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
+ {"Right Mixer", "Bypass Playback Switch", "Line Right Mux"},
+
+ /* mono mixer */
+ {"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
+ {"Mono Mixer", "Left Playback Switch", "Left DAC"},
+ {"Mono Mixer", "Right Playback Switch", "Right DAC"},
+ {"Mono Mixer", "Sidetone Playback Switch", "Mic Sidetone Mux"},
+ {"Mono Mixer", "Bypass Playback Switch", "Line Mono Mux"},
+
+ /* left out */
+ {"Left Out 1", NULL, "Left Mixer"},
+ {"Left Out 2", NULL, "Left Mixer"},
+ {"LOUT1", NULL, "Left Out 1"},
+ {"LOUT2", NULL, "Left Out 2"},
+
+ /* right out */
+ {"Right Out 1", NULL, "Right Mixer"},
+ {"Right Out 2", NULL, "Right Mixer"},
+ {"ROUT1", NULL, "Right Out 1"},
+ {"ROUT2", NULL, "Right Out 2"},
+
+ /* mono 1 out */
+ {"Mono Out 1", NULL, "Mono Mixer"},
+ {"MONO1", NULL, "Mono Out 1"},
+
+ /* mono 2 out */
+ {"Mono 2 Mux", "Left + Right", "Out3 Left + Right"},
+ {"Mono 2 Mux", "Inverted Mono 1", "MONO1"},
+ {"Mono 2 Mux", "Left", "Left Mixer"},
+ {"Mono 2 Mux", "Right", "Right Mixer"},
+ {"Mono Out 2", NULL, "Mono 2 Mux"},
+ {"MONO2", NULL, "Mono Out 2"},
+
+ /* out 3 */
+ {"Out3 Left + Right", NULL, "Left Mixer"},
+ {"Out3 Left + Right", NULL, "Right Mixer"},
+ {"Out3 Mux", "VREF", "VREF"},
+ {"Out3 Mux", "Left + Right", "Out3 Left + Right"},
+ {"Out3 Mux", "ROUT2", "ROUT2"},
+ {"Out 3", NULL, "Out3 Mux"},
+ {"OUT3", NULL, "Out 3"},
+
+ /* out 4 */
+ {"Out4 Mux", "VREF", "VREF"},
+ {"Out4 Mux", "Capture ST", "Capture ST Mixer"},
+ {"Out4 Mux", "LOUT2", "LOUT2"},
+ {"Out 4", NULL, "Out4 Mux"},
+ {"OUT4", NULL, "Out 4"},
+
+ /* record mixer */
+ {"Playback Mixer", "Left Capture Switch", "Left Mixer"},
+ {"Playback Mixer", "Voice Capture Switch", "Mono Mixer"},
+ {"Playback Mixer", "Right Capture Switch", "Right Mixer"},
+
+ /* Mic/SideTone Mux */
+ {"Mic Sidetone Mux", "Left PGA", "Left Capture Volume"},
+ {"Mic Sidetone Mux", "Right PGA", "Right Capture Volume"},
+ {"Mic Sidetone Mux", "Mic 1", "Mic 1 Volume"},
+ {"Mic Sidetone Mux", "Mic 2", "Mic 2 Volume"},
+
+ /* Capture Left Mux */
+ {"Capture Left Mux", "PGA", "Left Capture Volume"},
+ {"Capture Left Mux", "Line or RXP-RXN", "Line Left Mux"},
+ {"Capture Left Mux", "Line", "LINE1"},
+
+ /* Capture Right Mux */
+ {"Capture Right Mux", "PGA", "Right Capture Volume"},
+ {"Capture Right Mux", "Line or RXP-RXN", "Line Right Mux"},
+ {"Capture Right Mux", "Sidetone", "Capture ST Mixer"},
+
+ /* Mono Capture mixer-mux */
+ {"Capture Right Mixer", "Stereo", "Capture Right Mux"},
+ {"Capture Left Mixer", "Analogue Mix Left", "Capture Left Mux"},
+ {"Capture Left Mixer", "Analogue Mix Left", "Capture Right Mux"},
+ {"Capture Right Mixer", "Analogue Mix Right", "Capture Left Mux"},
+ {"Capture Right Mixer", "Analogue Mix Right", "Capture Right Mux"},
+ {"Capture Left Mixer", "Digital Mono Mix", "Capture Left Mux"},
+ {"Capture Left Mixer", "Digital Mono Mix", "Capture Right Mux"},
+ {"Capture Right Mixer", "Digital Mono Mix", "Capture Left Mux"},
+ {"Capture Right Mixer", "Digital Mono Mix", "Capture Right Mux"},
+
+ /* ADC */
+ {"Left ADC", NULL, "Capture Left Mixer"},
+ {"Right ADC", NULL, "Capture Right Mixer"},
+
+ /* Left Capture Volume */
+ {"Left Capture Volume", NULL, "ACIN"},
+
+ /* Right Capture Volume */
+ {"Right Capture Volume", NULL, "Mic 2 Volume"},
+
+ /* ALC Mixer */
+ {"ALC Mixer", "Line Capture Switch", "Line Mixer"},
+ {"ALC Mixer", "Mic2 Capture Switch", "Mic 2 Volume"},
+ {"ALC Mixer", "Mic1 Capture Switch", "Mic 1 Volume"},
+ {"ALC Mixer", "Rx Capture Switch", "Rx Mixer"},
+
+ /* Line Left Mux */
+ {"Line Left Mux", "Line 1", "LINE1"},
+ {"Line Left Mux", "Rx Mix", "Rx Mixer"},
+
+ /* Line Right Mux */
+ {"Line Right Mux", "Line 2", "LINE2"},
+ {"Line Right Mux", "Rx Mix", "Rx Mixer"},
+
+ /* Line Mono Mux */
+ {"Line Mono Mux", "Line Mix", "Line Mixer"},
+ {"Line Mono Mux", "Rx Mix", "Rx Mixer"},
+
+ /* Line Mixer/Mux */
+ {"Line Mixer", "Line 1 + 2", "LINE1"},
+ {"Line Mixer", "Line 1 - 2", "LINE1"},
+ {"Line Mixer", "Line 1 + 2", "LINE2"},
+ {"Line Mixer", "Line 1 - 2", "LINE2"},
+ {"Line Mixer", "Line 1", "LINE1"},
+ {"Line Mixer", "Line 2", "LINE2"},
+
+ /* Rx Mixer/Mux */
+ {"Rx Mixer", "RXP - RXN", "RXP"},
+ {"Rx Mixer", "RXP + RXN", "RXP"},
+ {"Rx Mixer", "RXP - RXN", "RXN"},
+ {"Rx Mixer", "RXP + RXN", "RXN"},
+ {"Rx Mixer", "RXP", "RXP"},
+ {"Rx Mixer", "RXN", "RXN"},
+
+ /* Mic 1 Volume */
+ {"Mic 1 Volume", NULL, "MIC1N"},
+ {"Mic 1 Volume", NULL, "Mic Selection Mux"},
+
+ /* Mic 2 Volume */
+ {"Mic 2 Volume", NULL, "MIC2N"},
+ {"Mic 2 Volume", NULL, "MIC2"},
+
+ /* Mic Selector Mux */
+ {"Mic Selection Mux", "Mic 1", "MIC1"},
+ {"Mic Selection Mux", "Mic 2", "MIC2N"},
+ {"Mic Selection Mux", "Mic 3", "MIC2"},
+
+ /* ACOP */
+ {"ACOP", NULL, "ALC Mixer"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8753_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8753_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8753_dapm_widgets[i]);
+ }
+
+ /* set up the WM8753 audio map */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+/* PLL divisors */
+struct _pll_div {
+ u32 pll_in; /* ext clock input */
+ u32 pll_out; /* pll out freq */
+ u32 div2:1;
+ u32 n:4;
+ u32 k:24;
+};
+
+/*
+ * PLL divisors -
+ */
+static const struct _pll_div pll_div[] = {
+ {13000000, 12288000, 0, 0x7, 0x23F54A},
+ {13000000, 11289600, 0, 0x6, 0x3CA2F5},
+ {12000000, 12288000, 0, 0x8, 0x0C49BA},
+ {12000000, 11289600, 0, 0x7, 0x21B08A},
+ {24000000, 12288000, 1, 0x8, 0x0C49BA},
+ {24000000, 11289600, 1, 0x7, 0x21B08A},
+ {12288000, 11289600, 0, 0x7, 0x166667},
+ {26000000, 11289600, 1, 0x6, 0x3CA2F5},
+ {26000000, 12288000, 1, 0x7, 0x23F54A},
+};
+
+static u32 wm8753_config_pll(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int pll)
+{
+ u16 reg;
+ int found = 0;
+
+ if (pll == 1) {
+ reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xffef;
+ if (!dai->pll_in || !dai->mclk) {
+ /* disable PLL1 */
+ wm8753_write(codec, WM8753_PLL1CTL1, 0x0026);
+ wm8753_write(codec, WM8753_CLOCK, reg);
+ return 0;
+ } else {
+ u16 value = 0;
+ int i = 0;
+
+ /* if we cant match, then use good values for N and K */
+ for (;i < ARRAY_SIZE(pll_div); i++) {
+ if (pll_div[i].pll_out == dai->pll_out &&
+ pll_div[i].pll_in == dai->pll_in) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (!found)
+ goto err;
+
+ /* set up N and K PLL divisor ratios */
+ /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */
+ value = (pll_div[i].n << 5) + ((pll_div[i].k & 0x3c0000) >> 18);
+ wm8753_write(codec, WM8753_PLL1CTL2, value);
+
+ /* bits 8:0 = PLL_K[17:9] */
+ value = (pll_div[i].k & 0x03fe00) >> 9;
+ wm8753_write(codec, WM8753_PLL1CTL3, value);
+
+ /* bits 8:0 = PLL_K[8:0] */
+ value = pll_div[i].k & 0x0001ff;
+ wm8753_write(codec, WM8753_PLL1CTL4, value);
+
+ /* set PLL1 as input and enable */
+ wm8753_write(codec, WM8753_PLL1CTL1, 0x0027 |
+ (pll_div[i].div2 << 3));
+ wm8753_write(codec, WM8753_CLOCK, reg | 0x0010);
+ }
+ } else {
+ reg = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfff7;
+ if (!dai->pll_in || !dai->mclk) {
+ /* disable PLL2 */
+ wm8753_write(codec, WM8753_PLL2CTL1, 0x0026);
+ wm8753_write(codec, WM8753_CLOCK, reg);
+ return 0;
+ } else {
+ u16 value = 0;
+ int i = 0;
+
+ /* if we cant match, then use good values for N and K */
+ for (;i < ARRAY_SIZE(pll_div); i++) {
+ if (pll_div[i].pll_out == dai->pll_out &&
+ pll_div[i].pll_in == dai->pll_in) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (!found)
+ goto err;
+
+ /* set up N and K PLL divisor ratios */
+ /* bits 8:5 = PLL_N, bits 3:0 = PLL_K[21:18] */
+ value = (pll_div[i].n << 5) + ((pll_div[i].k & 0x3c0000) >> 18);
+ wm8753_write(codec, WM8753_PLL2CTL2, value);
+
+ /* bits 8:0 = PLL_K[17:9] */
+ value = (pll_div[i].k & 0x03fe00) >> 9;
+ wm8753_write(codec, WM8753_PLL2CTL3, value);
+
+ /* bits 8:0 = PLL_K[8:0] */
+ value = pll_div[i].k & 0x0001ff;
+ wm8753_write(codec, WM8753_PLL2CTL4, value);
+
+ /* set PLL1 as input and enable */
+ wm8753_write(codec, WM8753_PLL2CTL1, 0x0027 |
+ (pll_div[i].div2 << 3));
+ wm8753_write(codec, WM8753_CLOCK, reg | 0x0008);
+ }
+ }
+
+ return dai->pll_in;
+err:
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:5;
+ u8 usb:1;
+};
+
+/* codec hifi mclk (after PLL) clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 8k */
+ {12288000, 8000, 1536, 0x6, 0x0},
+ {11289600, 8000, 1408, 0x16, 0x0},
+ {18432000, 8000, 2304, 0x7, 0x0},
+ {16934400, 8000, 2112, 0x17, 0x0},
+ {12000000, 8000, 1500, 0x6, 0x1},
+
+ /* 11.025k */
+ {11289600, 11025, 1024, 0x18, 0x0},
+ {16934400, 11025, 1536, 0x19, 0x0},
+ {12000000, 11025, 1088, 0x19, 0x1},
+
+ /* 16k */
+ {12288000, 16000, 768, 0xa, 0x0},
+ {18432000, 16000, 1152, 0xb, 0x0},
+ {12000000, 16000, 750, 0xa, 0x1},
+
+ /* 22.05k */
+ {11289600, 22050, 512, 0x1a, 0x0},
+ {16934400, 22050, 768, 0x1b, 0x0},
+ {12000000, 22050, 544, 0x1b, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0xc, 0x0},
+ {18432000, 32000, 576, 0xd, 0x0},
+ {12000000, 32000, 375, 0xa, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x10, 0x0},
+ {16934400, 44100, 384, 0x11, 0x0},
+ {12000000, 44100, 272, 0x11, 0x1},
+
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0},
+ {18432000, 48000, 384, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0x1e, 0x0},
+ {16934400, 88200, 192, 0x1f, 0x0},
+ {12000000, 88200, 136, 0x1f, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0xe, 0x0},
+ {18432000, 96000, 192, 0xf, 0x0},
+ {12000000, 96000, 125, 0xe, 0x1},
+};
+
+static int get_coeff(int mclk, int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+ if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+ return i;
+ }
+ return -EINVAL;
+}
+
+/* supported HiFi input clocks (that don't use PLL) */
+const static int hifi_clks[] = {11289600, 12000000, 12288000,
+ 16934400, 18432000};
+
+/* The HiFi interface can be clocked in one of two ways:-
+ * o No PLL - MCLK is used directly.
+ * o PLL - PLL is used to generate audio MCLK from input clock.
+ *
+ * We use the direct method if we can as it saves power.
+ */
+static unsigned int wm8753_config_i2s_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ int i, pll_out;
+
+ /* is clk supported without the PLL */
+ for(i = 0; i < ARRAY_SIZE(hifi_clks); i++) {
+ if (clk == hifi_clks[i]) {
+ dai->mclk = clk;
+ dai->pll_in = dai->pll_out = 0;
+ dai->clk_div = 1;
+ return clk;
+ }
+ }
+
+ /* determine best PLL output speed */
+ if (info->bclk_master &
+ (SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS)) {
+ pll_out = info->fs * info->rate;
+ } else {
+ /* calc slave clock */
+ switch (info->rate){
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ pll_out = 11289600;
+ break;
+ default:
+ pll_out = 12288000;
+ break;
+ }
+ }
+
+ /* are input & output clocks supported by PLL */
+ for (i = 0;i < ARRAY_SIZE(pll_div); i++) {
+ if (pll_div[i].pll_in == clk && pll_div[i].pll_out == pll_out) {
+ dai->pll_in = clk;
+ dai->pll_out = dai->mclk = pll_out;
+ return pll_out;
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+}
+
+/* valid PCM clock dividers * 2 */
+static int pcm_divs[] = {2, 6, 11, 4, 8, 12, 16};
+
+/* The Voice interface can be clocked in one of four ways:-
+ * o No PLL - MCLK is used directly.
+ * o Div - MCLK is directly divided.
+ * o PLL - PLL is used to generate audio MCLK from input clock.
+ * o PLL & Div - PLL and post divider are used.
+ *
+ * We use the non PLL methods if we can, as it saves power.
+ */
+
+static unsigned int wm8753_config_pcm_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ int i, j, best_clk = info->fs * info->rate;
+
+ /* can we run at this clk without the PLL ? */
+ for (i = 0; i < ARRAY_SIZE(pcm_divs); i++) {
+ if ((best_clk >> 1) * pcm_divs[i] == clk) {
+ dai->pll_in = 0;
+ dai->clk_div = pcm_divs[i];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+
+ /* now check for PLL support */
+ for (i = 0; i < ARRAY_SIZE(pll_div); i++) {
+ if (pll_div[i].pll_in == clk) {
+ for (j = 0; j < ARRAY_SIZE(pcm_divs); j++) {
+ if (pll_div[i].pll_out == pcm_divs[j] * (best_clk >> 1)) {
+ dai->pll_in = clk;
+ dai->pll_out = pll_div[i].pll_out;
+ dai->clk_div = pcm_divs[j];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+}
+
+/* set the format and bit size for ADC and Voice DAC */
+static void wm8753_adc_vdac_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x01e0;
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ voice |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ voice |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ voice |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ voice |= 0x0013;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ voice |= 0x0004;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ voice |= 0x0008;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ voice |= 0x000c;
+ break;
+ }
+
+ wm8753_write(codec, WM8753_PCM, voice);
+}
+
+/* configure PCM DAI */
+static int wm8753_pcm_dai_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 voice, ioctl, srate, srate2, fs, bfs, clock;
+ unsigned int rate;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ fs = rtd->codec_dai->dai_runtime.fs;
+ rate = snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate);
+ voice = wm8753_read_reg_cache(codec, WM8753_PCM) & 0x001f;
+
+ /* set master/slave audio interface */
+ ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x01fd;
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ ioctl |= 0x0002;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ voice |= 0x0040;
+ break;
+ }
+
+ /* do we need to enable the PLL */
+ if (rtd->codec_dai->pll_in) {
+ if (wm8753_config_pll(codec, rtd->codec_dai, 2) !=
+ rtd->codec_dai->pll_in) {
+ err("could not set pll to %d --> %d",
+ rtd->codec_dai->pll_in, rtd->codec_dai->pll_out);
+ return -ENODEV;
+ }
+ }
+
+ /* set up PCM divider */
+ clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0x003f;
+ switch (rtd->codec_dai->clk_div) {
+ case 2: /* 1 */
+ break;
+ case 6: /* 3 */
+ clock |= (0x2 << 6);
+ break;
+ case 11: /* 5.5 */
+ clock |= (0x3 << 6);
+ break;
+ case 4: /* 2 */
+ clock |= (0x4 << 6);
+ break;
+ case 8: /* 4 */
+ clock |= (0x5 << 6);
+ break;
+ case 12: /* 6 */
+ clock |= (0x6 << 6);
+ break;
+ case 16: /* 8 */
+ clock |= (0x7 << 6);
+ break;
+ default:
+ printk(KERN_ERR "wm8753: invalid PCM clk divider %d\n",
+ rtd->codec_dai->clk_div);
+ break;
+ }
+ wm8753_write(codec, WM8753_CLOCK, clock);
+
+ /* set bclk divisor rate */
+ srate2 = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x003f;
+ switch (bfs) {
+ case 1:
+ break;
+ case 2:
+ srate2 |= (0x1 << 6);
+ break;
+ case 4:
+ srate2 |= (0x2 << 6);
+ break;
+ case 8:
+ srate2 |= (0x3 << 6);
+ break;
+ case 16:
+ srate2 |= (0x4 << 6);
+ break;
+ }
+ wm8753_write(codec, WM8753_SRATE2, srate2);
+
+ srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x017f;
+ if (rtd->codec_dai->dai_runtime.fs == 384)
+ srate |= 0x80;
+ wm8753_write(codec, WM8753_SRATE1, srate);
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ voice |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ voice |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ voice |= 0x0010;
+ break;
+ }
+ //printk("voice %x %x ioctl %x %x srate2 %x %x srate1 %x %x\n",
+ //WM8753_PCM, voice, WM8753_IOCTL, ioctl, WM8753_SRATE2,
+ //srate2, WM8753_SRATE1, srate);
+
+ wm8753_write(codec, WM8753_IOCTL, ioctl);
+ wm8753_write(codec, WM8753_PCM, voice);
+ return 0;
+}
+
+/* configure hifi DAC wordlength and format */
+static void wm8753_hdac_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x01e0;
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ hifi |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ hifi |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ hifi |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ hifi |= 0x0013;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ hifi |= 0x0004;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ hifi |= 0x0008;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ hifi |= 0x000c;
+ break;
+ }
+
+ wm8753_write(codec, WM8753_HIFI, hifi);
+}
+
+/* configure i2s (hifi) DAI clocking */
+static int wm8753_i2s_dai_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 srate, bfs, hifi, ioctl;
+ unsigned int rate;
+ int i = 0;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ rate = snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate);
+ hifi = wm8753_read_reg_cache(codec, WM8753_HIFI) & 0x001f;
+
+ /* is coefficient valid ? */
+ if ((i = get_coeff(rtd->codec_dai->mclk, rate)) < 0)
+ return i;
+
+ srate = wm8753_read_reg_cache(codec, WM8753_SRATE1) & 0x01c0;
+ wm8753_write(codec, WM8753_SRATE1, srate | (coeff_div[i].sr << 1) |
+ coeff_div[i].usb);
+
+ /* do we need to enable the PLL */
+ if (rtd->codec_dai->pll_in) {
+ if (wm8753_config_pll(codec, rtd->codec_dai, 1) !=
+ rtd->codec_dai->pll_in) {
+ err("could not set pll to %d --> %d",
+ rtd->codec_dai->pll_in, rtd->codec_dai->pll_out);
+ return -ENODEV;
+ }
+ }
+
+ /* set bclk divisor rate */
+ srate = wm8753_read_reg_cache(codec, WM8753_SRATE2) & 0x01c7;
+ switch (bfs) {
+ case 1:
+ break;
+ case 2:
+ srate |= (0x1 << 3);
+ break;
+ case 4:
+ srate |= (0x2 << 3);
+ break;
+ case 8:
+ srate |= (0x3 << 3);
+ break;
+ case 16:
+ srate |= (0x4 << 3);
+ break;
+ }
+ wm8753_write(codec, WM8753_SRATE2, srate);
+
+ /* set master/slave audio interface */
+ ioctl = wm8753_read_reg_cache(codec, WM8753_IOCTL) & 0x00fe;
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ ioctl |= 0x0001;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ hifi |= 0x0040;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ hifi |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ hifi |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ hifi |= 0x0010;
+ break;
+ }
+ wm8753_write(codec, WM8753_IOCTL, ioctl);
+ wm8753_write(codec, WM8753_HIFI, hifi);
+ return 0;
+}
+
+static int wm8753_mode1v_prepare (struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 clock;
+
+ /* set clk source as pcmclk */
+ clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb;
+ wm8753_write(codec, WM8753_CLOCK, clock);
+
+ wm8753_adc_vdac_prepare(substream);
+ return wm8753_pcm_dai_prepare(substream);
+}
+
+static int wm8753_mode1h_prepare (struct snd_pcm_substream *substream)
+{
+ wm8753_hdac_prepare(substream);
+ return wm8753_i2s_dai_prepare(substream);
+}
+
+static int wm8753_mode2_prepare (struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 clock;
+
+ /* set clk source as pcmclk */
+ clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb;
+ wm8753_write(codec, WM8753_CLOCK, clock);
+
+ wm8753_adc_vdac_prepare(substream);
+ return wm8753_i2s_dai_prepare(substream);
+}
+
+static int wm8753_mode3_prepare (struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 clock;
+
+ /* set clk source as mclk */
+ clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb;
+ wm8753_write(codec, WM8753_CLOCK, clock | 0x4);
+
+ wm8753_hdac_prepare(substream);
+ wm8753_adc_vdac_prepare(substream);
+ return wm8753_i2s_dai_prepare(substream);
+}
+
+static int wm8753_mode4_prepare (struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 clock;
+
+ /* set clk source as mclk */
+ clock = wm8753_read_reg_cache(codec, WM8753_CLOCK) & 0xfffb;
+ wm8753_write(codec, WM8753_CLOCK, clock | 0x4);
+
+ wm8753_hdac_prepare(substream);
+ wm8753_adc_vdac_prepare(substream);
+ return wm8753_i2s_dai_prepare(substream);
+}
+
+static int wm8753_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8753_read_reg_cache(codec, WM8753_DAC) & 0xfff7;
+
+ /* the digital mute covers the HiFi and Voice DAC's on the WM8753.
+ * make sure we check if they are not both active when we mute */
+ if (mute && dai->id == 1) {
+ if (!wm8753_dai[WM8753_DAI_VOICE].playback.active ||
+ !wm8753_dai[WM8753_DAI_HIFI].playback.active)
+ wm8753_write(codec, WM8753_DAC, mute_reg | 0x8);
+ } else {
+ if (mute)
+ wm8753_write(codec, WM8753_DAC, mute_reg | 0x8);
+ else
+ wm8753_write(codec, WM8753_DAC, mute_reg);
+ }
+
+ return 0;
+}
+
+static int wm8753_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 pwr_reg = wm8753_read_reg_cache(codec, WM8753_PWR1) & 0xfe3e;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* set vmid to 50k and unmute dac */
+ wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x00c0);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ /* set vmid to 5k for quick power up */
+ wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x01c1);
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* mute dac and set vmid to 500k, enable VREF */
+ wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x0141);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ wm8753_write(codec, WM8753_PWR1, 0x0001);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+/*
+ * The WM8753 supports upto 4 different and mutually exclusive DAI
+ * configurations. This gives 2 PCM's available for use, hifi and voice.
+ * NOTE: The Voice PCM cannot play or caputure audio to the CPU as it's DAI
+ * is connected between the wm8753 and a BT codec or GSM modem.
+ *
+ * 1. Voice over PCM DAI - HIFI DAC over HIFI DAI
+ * 2. Voice over HIFI DAI - HIFI disabled
+ * 3. Voice disabled - HIFI over HIFI
+ * 4. Voice disabled - HIFI over HIFI, uses voice DAI LRC for capture
+ */
+static const struct snd_soc_codec_dai wm8753_all_dai[] = {
+/* DAI HiFi mode 1 */
+{ .name = "WM8753 HiFi",
+ .id = 1,
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = { /* dummy for fast DAI switching */
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .config_sysclk = wm8753_config_i2s_sysclk,
+ .digital_mute = wm8753_mute,
+ .ops = {
+ .prepare = wm8753_mode1h_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8753_hifi_modes),
+ .mode = wm8753_hifi_modes,},
+},
+/* DAI Voice mode 1 */
+{ .name = "WM8753 Voice",
+ .id = 1,
+ .playback = {
+ .stream_name = "Voice Playback",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .capture = {
+ .stream_name = "Voice Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .config_sysclk = wm8753_config_pcm_sysclk,
+ .digital_mute = wm8753_mute,
+ .ops = {
+ .prepare = wm8753_mode1v_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8753_voice_modes),
+ .mode = wm8753_voice_modes,},
+},
+/* DAI HiFi mode 2 - dummy */
+{ .name = "WM8753 HiFi",
+ .id = 2,
+},
+/* DAI Voice mode 2 */
+{ .name = "WM8753 Voice",
+ .id = 2,
+ .playback = {
+ .stream_name = "Voice Playback",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .capture = {
+ .stream_name = "Voice Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .config_sysclk = wm8753_config_i2s_sysclk,
+ .digital_mute = wm8753_mute,
+ .ops = {
+ .prepare = wm8753_mode2_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8753_voice_modes),
+ .mode = wm8753_voice_modes,},
+},
+/* DAI HiFi mode 3 */
+{ .name = "WM8753 HiFi",
+ .id = 3,
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .config_sysclk = wm8753_config_i2s_sysclk,
+ .digital_mute = wm8753_mute,
+ .ops = {
+ .prepare = wm8753_mode3_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8753_hifi_modes),
+ .mode = wm8753_hifi_modes,},
+},
+/* DAI Voice mode 3 - dummy */
+{ .name = "WM8753 Voice",
+ .id = 3,
+},
+/* DAI HiFi mode 4 */
+{ .name = "WM8753 HiFi",
+ .id = 4,
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .config_sysclk = wm8753_config_i2s_sysclk,
+ .digital_mute = wm8753_mute,
+ .ops = {
+ .prepare = wm8753_mode4_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8753_mixed_modes),
+ .mode = wm8753_mixed_modes,},
+},
+/* DAI Voice mode 4 - dummy */
+{ .name = "WM8753 Voice",
+ .id = 4,
+},
+};
+
+struct snd_soc_codec_dai wm8753_dai[2];
+EXPORT_SYMBOL_GPL(wm8753_dai);
+
+static void wm8753_set_dai_mode(struct snd_soc_codec *codec, unsigned int mode)
+{
+ if (mode < 4) {
+ wm8753_dai[0] = wm8753_all_dai[mode << 1];
+ wm8753_dai[1] = wm8753_all_dai[(mode << 1) + 1];
+ }
+}
+
+static void wm8753_work(void *data)
+{
+ struct snd_soc_codec *codec = (struct snd_soc_codec *)data;
+ wm8753_dapm_event(codec, codec->dapm_state);
+}
+
+static int wm8753_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8753_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8753_reg); i++) {
+ if (i + 1 == WM8753_RESET)
+ continue;
+ data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+
+ wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* charge wm8753 caps */
+ if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
+ wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D0;
+ queue_delayed_work(wm8753_workq, &wm8753_dapm_work,
+ msecs_to_jiffies(caps_charge));
+ }
+
+ return 0;
+}
+
+/*
+ * initialise the WM8753 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8753_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8753";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8753_read_reg_cache;
+ codec->write = wm8753_write;
+ codec->dapm_event = wm8753_dapm_event;
+ codec->dai = wm8753_dai;
+ codec->num_dai = 2;
+ codec->reg_cache_size = ARRAY_SIZE(wm8753_reg);
+
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8753_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8753_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8753_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8753_reg);
+ wm8753_set_dai_mode(codec, 0);
+
+ wm8753_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* charge output caps */
+ wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D3hot;
+ queue_delayed_work(wm8753_workq,
+ &wm8753_dapm_work, msecs_to_jiffies(caps_charge));
+
+ /* set the update bits */
+ reg = wm8753_read_reg_cache(codec, WM8753_LDAC);
+ wm8753_write(codec, WM8753_LDAC, reg | 0x0100);
+ reg = wm8753_read_reg_cache(codec, WM8753_RDAC);
+ wm8753_write(codec, WM8753_RDAC, reg | 0x0100);
+ reg = wm8753_read_reg_cache(codec, WM8753_LOUT1V);
+ wm8753_write(codec, WM8753_LOUT1V, reg | 0x0100);
+ reg = wm8753_read_reg_cache(codec, WM8753_ROUT1V);
+ wm8753_write(codec, WM8753_ROUT1V, reg | 0x0100);
+ reg = wm8753_read_reg_cache(codec, WM8753_LOUT2V);
+ wm8753_write(codec, WM8753_LOUT2V, reg | 0x0100);
+ reg = wm8753_read_reg_cache(codec, WM8753_ROUT2V);
+ wm8753_write(codec, WM8753_ROUT2V, reg | 0x0100);
+ reg = wm8753_read_reg_cache(codec, WM8753_LINVOL);
+ wm8753_write(codec, WM8753_LINVOL, reg | 0x0100);
+ reg = wm8753_read_reg_cache(codec, WM8753_RINVOL);
+ wm8753_write(codec, WM8753_RINVOL, reg | 0x0100);
+
+ wm8753_add_controls(codec);
+ wm8753_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static struct snd_soc_device *wm8753_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8753 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+#define I2C_DRIVERID_WM8753 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8753_i2c_driver;
+static struct i2c_client client_template;
+
+static int wm8753_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8753_socdev;
+ struct wm8753_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL){
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8753_init(socdev);
+ if (ret < 0) {
+ err("failed to initialise WM8753\n");
+ goto err;
+ }
+
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8753_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8753_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8753_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8753_i2c_driver = {
+ .driver = {
+ .name = "WM8753 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8753,
+ .attach_adapter = wm8753_i2c_attach,
+ .detach_client = wm8753_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8753",
+ .driver = &wm8753_i2c_driver,
+};
+#endif
+
+static int wm8753_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8753_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8753 Audio Codec %s", WM8753_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+ wm8753_socdev = socdev;
+ INIT_WORK(&wm8753_dapm_work, wm8753_work, codec);
+ wm8753_workq = create_workqueue("wm8753");
+ if (wm8753_workq == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8753_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8753_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ if (wm8753_workq)
+ destroy_workqueue(wm8753_workq);
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8753_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8753 = {
+ .probe = wm8753_probe,
+ .remove = wm8753_remove,
+ .suspend = wm8753_suspend,
+ .resume = wm8753_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8753);
+
+MODULE_DESCRIPTION("ASoC WM8753 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8753.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8753.h
@@ -0,0 +1,91 @@
+/*
+ * wm8753.h -- audio driver for WM8753
+ *
+ * Copyright 2003 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef _WM8753_H
+#define _WM8753_H
+
+/* WM8753 register space */
+
+#define WM8753_DAC 0x01
+#define WM8753_ADC 0x02
+#define WM8753_PCM 0x03
+#define WM8753_HIFI 0x04
+#define WM8753_IOCTL 0x05
+#define WM8753_SRATE1 0x06
+#define WM8753_SRATE2 0x07
+#define WM8753_LDAC 0x08
+#define WM8753_RDAC 0x09
+#define WM8753_BASS 0x0a
+#define WM8753_TREBLE 0x0b
+#define WM8753_ALC1 0x0c
+#define WM8753_ALC2 0x0d
+#define WM8753_ALC3 0x0e
+#define WM8753_NGATE 0x0f
+#define WM8753_LADC 0x10
+#define WM8753_RADC 0x11
+#define WM8753_ADCTL1 0x12
+#define WM8753_3D 0x13
+#define WM8753_PWR1 0x14
+#define WM8753_PWR2 0x15
+#define WM8753_PWR3 0x16
+#define WM8753_PWR4 0x17
+#define WM8753_ID 0x18
+#define WM8753_INTPOL 0x19
+#define WM8753_INTEN 0x1a
+#define WM8753_GPIO1 0x1b
+#define WM8753_GPIO2 0x1c
+#define WM8753_RESET 0x1f
+#define WM8753_RECMIX1 0x20
+#define WM8753_RECMIX2 0x21
+#define WM8753_LOUTM1 0x22
+#define WM8753_LOUTM2 0x23
+#define WM8753_ROUTM1 0x24
+#define WM8753_ROUTM2 0x25
+#define WM8753_MOUTM1 0x26
+#define WM8753_MOUTM2 0x27
+#define WM8753_LOUT1V 0x28
+#define WM8753_ROUT1V 0x29
+#define WM8753_LOUT2V 0x2a
+#define WM8753_ROUT2V 0x2b
+#define WM8753_MOUTV 0x2c
+#define WM8753_OUTCTL 0x2d
+#define WM8753_ADCIN 0x2e
+#define WM8753_INCTL1 0x2f
+#define WM8753_INCTL2 0x30
+#define WM8753_LINVOL 0x31
+#define WM8753_RINVOL 0x32
+#define WM8753_MICBIAS 0x33
+#define WM8753_CLOCK 0x34
+#define WM8753_PLL1CTL1 0x35
+#define WM8753_PLL1CTL2 0x36
+#define WM8753_PLL1CTL3 0x37
+#define WM8753_PLL1CTL4 0x38
+#define WM8753_PLL2CTL1 0x39
+#define WM8753_PLL2CTL2 0x3a
+#define WM8753_PLL2CTL3 0x3b
+#define WM8753_PLL2CTL4 0x3c
+#define WM8753_BIASCTL 0x3d
+#define WM8753_ADCTL2 0x3f
+
+struct wm8753_setup_data {
+ unsigned short i2c_address;
+};
+
+#define WM8753_DAI_HIFI 0
+#define WM8753_DAI_VOICE 1
+
+extern struct snd_soc_codec_dai wm8753_dai[2];
+extern struct snd_soc_codec_device soc_codec_dev_wm8753;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8772.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8772.c
@@ -0,0 +1,806 @@
+/*
+ * wm8772.c -- WM8772 ALSA Soc Audio driver
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8772.h"
+
+#define AUDIO_NAME "WM8772"
+#define WM8772_VERSION "0.3"
+
+/*
+ * wm8772 register cache
+ * We can't read the WM8772 register space when we
+ * are using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8772_reg[] = {
+ 0x00ff, 0x00ff, 0x0120, 0x0000, /* 0 */
+ 0x00ff, 0x00ff, 0x00ff, 0x00ff, /* 4 */
+ 0x00ff, 0x0000, 0x0080, 0x0040, /* 8 */
+ 0x0000
+};
+
+#define WM8772_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_IB_NF)
+
+#define WM8772_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8772_PRATES \
+ (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
+
+#define WM8772_CRATES \
+ (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_96000)
+
+static struct snd_soc_dai_mode wm8772_modes[] = {
+ /* common codec frame and clock master modes */
+ /* 32k */
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 768,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 512,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 192,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 128,
+ .bfs = 64,
+ },
+
+ /* 44.1k */
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 768,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 512,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 192,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 128,
+ .bfs = 64,
+ },
+
+ /* 48k */
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 768,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 512,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 192,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 128,
+ .bfs = 64,
+ },
+
+ /* 96k */
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8772_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 192,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8772_DIR,
+ .pcmrate = SND_SOC_DAI_BFS_RATE,
+ .fs = 128,
+ .bfs = 64,
+ },
+
+ /* 192k */
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_192000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 192,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8772_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_192000,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 128,
+ .bfs = 64,
+ },
+
+ /* slave mode */
+ {
+ .fmt = WM8772_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = WM8772_PRATES,
+ .pcmdir = SND_SOC_DAIDIR_PLAYBACK,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+ {
+ .fmt = WM8772_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = WM8772_CRATES,
+ .pcmdir = SND_SOC_DAIDIR_CAPTURE,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8772 register cache
+ */
+static inline unsigned int wm8772_read_reg_cache(struct snd_soc_codec * codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg > WM8772_CACHE_REGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8772 register cache
+ */
+static inline void wm8772_write_reg_cache(struct snd_soc_codec * codec,
+ unsigned int reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg > WM8772_CACHE_REGNUM)
+ return;
+ cache[reg] = value;
+}
+
+static int wm8772_write(struct snd_soc_codec * codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8772 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8772_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -1;
+}
+
+#define wm8772_reset(c) wm8772_write(c, WM8772_RESET, 0)
+
+/*
+ * WM8772 Controls
+ */
+static const char *wm8772_zero_flag[] = {"All Ch", "Ch 1", "Ch 2", "Ch3"};
+
+static const struct soc_enum wm8772_enum[] = {
+SOC_ENUM_SINGLE(WM8772_DACCTRL, 0, 4, wm8772_zero_flag),
+};
+
+static const struct snd_kcontrol_new wm8772_snd_controls[] = {
+
+SOC_SINGLE("Left1 Playback Volume", WM8772_LDAC1VOL, 0, 255, 0),
+SOC_SINGLE("Left2 Playback Volume", WM8772_LDAC2VOL, 0, 255, 0),
+SOC_SINGLE("Left3 Playback Volume", WM8772_LDAC3VOL, 0, 255, 0),
+SOC_SINGLE("Right1 Playback Volume", WM8772_RDAC1VOL, 0, 255, 0),
+SOC_SINGLE("Right1 Playback Volume", WM8772_RDAC2VOL, 0, 255, 0),
+SOC_SINGLE("Right1 Playback Volume", WM8772_RDAC3VOL, 0, 255, 0),
+SOC_SINGLE("Master Playback Volume", WM8772_MDACVOL, 0, 255, 0),
+
+SOC_SINGLE("Playback Switch", WM8772_DACCH, 0, 1, 0),
+SOC_SINGLE("Capture Switch", WM8772_ADCCTRL, 2, 1, 0),
+
+SOC_SINGLE("Demp1 Playback Switch", WM8772_DACCTRL, 6, 1, 0),
+SOC_SINGLE("Demp2 Playback Switch", WM8772_DACCTRL, 7, 1, 0),
+SOC_SINGLE("Demp3 Playback Switch", WM8772_DACCTRL, 8, 1, 0),
+
+SOC_SINGLE("Phase Invert 1 Switch", WM8772_IFACE, 6, 1, 0),
+SOC_SINGLE("Phase Invert 2 Switch", WM8772_IFACE, 7, 1, 0),
+SOC_SINGLE("Phase Invert 3 Switch", WM8772_IFACE, 8, 1, 0),
+
+SOC_SINGLE("Playback ZC Switch", WM8772_DACCTRL, 0, 1, 0),
+
+SOC_SINGLE("Capture High Pass Switch", WM8772_ADCCTRL, 3, 1, 0),
+};
+
+/* add non dapm controls */
+static int wm8772_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8772_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8772_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/* valid wm8772 mclk frequencies */
+static const int freq_table[5][6] = {
+ {4096000, 6144000, 8192000, 12288000, 16384000, 24576000},
+ {5644800, 8467000, 11289600, 16934000, 22579200, 33868800},
+ {6144000, 9216000, 12288000, 18432000, 24576000, 36864000},
+ {12288000, 18432000, 24576000, 36864000, 0, 0},
+ {24576000, 36864000, 0, 0, 0},
+};
+
+static unsigned int check_freq(int rate, unsigned int freq)
+{
+ int i;
+
+ for(i = 0; i < 6; i++) {
+ if(freq == freq_table[i][rate])
+ return freq;
+ }
+ return 0;
+}
+
+static unsigned int wm8772_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ switch (info->rate){
+ case 32000:
+ dai->mclk = check_freq(0, clk);
+ break;
+ case 44100:
+ dai->mclk = check_freq(1, clk);
+ break;
+ case 48000:
+ dai->mclk = check_freq(2, clk);
+ break;
+ case 96000:
+ dai->mclk = check_freq(3, clk);
+ break;
+ case 192000:
+ dai->mclk = check_freq(4, clk);
+ break;
+ default:
+ dai->mclk = 0;
+ }
+ return dai->mclk;
+}
+
+static int wm8772_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 diface = wm8772_read_reg_cache(codec, WM8772_IFACE) & 0xffc0;
+ u16 diface_ctrl = wm8772_read_reg_cache(codec, WM8772_DACRATE) & 0xfe1f;
+ u16 aiface = 0;
+ u16 aiface_ctrl = wm8772_read_reg_cache(codec, WM8772_ADCCTRL) & 0xfcff;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ diface_ctrl |= 0x0010;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ diface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ diface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ diface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ diface |= 0x0007;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ diface |= 0x0010;
+ break;
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ diface |= 0x0020;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ diface |= 0x0030;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ diface |= 0x0008;
+ break;
+ }
+
+ /* set rate */
+ switch (rtd->codec_dai->dai_runtime.fs) {
+ case 768:
+ diface_ctrl |= (0x5 << 6);
+ break;
+ case 512:
+ diface_ctrl |= (0x4 << 6);
+ break;
+ case 384:
+ diface_ctrl |= (0x3 << 6);
+ break;
+ case 256:
+ diface_ctrl |= (0x2 << 6);
+ break;
+ case 192:
+ diface_ctrl |= (0x1 << 6);
+ break;
+ }
+
+ wm8772_write(codec, WM8772_DACRATE, diface_ctrl);
+ wm8772_write(codec, WM8772_IFACE, diface);
+
+ } else {
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ aiface |= 0x0010;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ aiface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ aiface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ aiface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ aiface |= 0x0003;
+ aiface_ctrl |= 0x0010;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ aiface |= 0x0004;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ aiface |= 0x0008;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ aiface |= 0x000c;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aiface_ctrl |= 0x0020;
+ break;
+ }
+
+ /* set rate */
+ switch (rtd->codec_dai->dai_runtime.fs) {
+ case 768:
+ aiface |= (0x5 << 5);
+ break;
+ case 512:
+ aiface |= (0x4 << 5);
+ break;
+ case 384:
+ aiface |= (0x3 << 5);
+ break;
+ case 256:
+ aiface |= (0x2 << 5);
+ break;
+ }
+
+ wm8772_write(codec, WM8772_ADCCTRL, aiface_ctrl);
+ wm8772_write(codec, WM8772_ADCRATE, aiface);
+ }
+
+ return 0;
+}
+
+static int wm8772_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 master = wm8772_read_reg_cache(codec, WM8772_DACRATE) & 0xffe0;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, clk and osc on, dac unmute, active */
+ wm8772_write(codec, WM8772_DACRATE, master);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, dac mute, inactive */
+ wm8772_write(codec, WM8772_DACRATE, master | 0x0f);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8772_write(codec, WM8772_DACRATE, master | 0x1f);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8772_dai = {
+ .name = "WM8772",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 6,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = wm8772_config_sysclk,
+ .ops = {
+ .prepare = wm8772_pcm_prepare,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8772_modes),
+ .mode = wm8772_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8772_dai);
+
+static int wm8772_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8772_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8772_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8772_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8772_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8772_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8772 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8772_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8772";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8772_read_reg_cache;
+ codec->write = wm8772_write;
+ codec->dapm_event = wm8772_dapm_event;
+ codec->dai = &wm8772_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8772_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8772_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8772_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8772_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8772_reg);
+
+ wm8772_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ wm8772_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* set the update bits */
+ reg = wm8772_read_reg_cache(codec, WM8772_MDACVOL);
+ wm8772_write(codec, WM8772_MDACVOL, reg | 0x0100);
+ reg = wm8772_read_reg_cache(codec, WM8772_LDAC1VOL);
+ wm8772_write(codec, WM8772_LDAC1VOL, reg | 0x0100);
+ reg = wm8772_read_reg_cache(codec, WM8772_LDAC2VOL);
+ wm8772_write(codec, WM8772_LDAC2VOL, reg | 0x0100);
+ reg = wm8772_read_reg_cache(codec, WM8772_LDAC3VOL);
+ wm8772_write(codec, WM8772_LDAC3VOL, reg | 0x0100);
+ reg = wm8772_read_reg_cache(codec, WM8772_RDAC1VOL);
+ wm8772_write(codec, WM8772_RDAC1VOL, reg | 0x0100);
+ reg = wm8772_read_reg_cache(codec, WM8772_RDAC2VOL);
+ wm8772_write(codec, WM8772_RDAC2VOL, reg | 0x0100);
+ reg = wm8772_read_reg_cache(codec, WM8772_RDAC3VOL);
+ wm8772_write(codec, WM8772_RDAC3VOL, reg | 0x0100);
+
+ wm8772_add_controls(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *wm8772_socdev;
+
+static int wm8772_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8772_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ printk(KERN_INFO "WM8772 Audio Codec %s", WM8772_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8772_socdev = socdev;
+
+ /* Add other interfaces here */
+#warning do SPI device probe here and then call wm8772_init()
+
+ return ret;
+}
+
+/* power down chip */
+static int wm8772_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8772_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8772 = {
+ .probe = wm8772_probe,
+ .remove = wm8772_remove,
+ .suspend = wm8772_suspend,
+ .resume = wm8772_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8772);
+
+MODULE_DESCRIPTION("ASoC WM8772 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8772.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8772.h
@@ -0,0 +1,40 @@
+/*
+ * wm8772.h -- audio driver for WM8772
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef _WM8772_H
+#define _WM8772_H
+
+/* WM8772 register space */
+
+#define WM8772_LDAC1VOL 0x00
+#define WM8772_RDAC1VOL 0x01
+#define WM8772_DACCH 0x02
+#define WM8772_IFACE 0x03
+#define WM8772_LDAC2VOL 0x04
+#define WM8772_RDAC2VOL 0x05
+#define WM8772_LDAC3VOL 0x06
+#define WM8772_RDAC3VOL 0x07
+#define WM8772_MDACVOL 0x08
+#define WM8772_DACCTRL 0x09
+#define WM8772_DACRATE 0x0a
+#define WM8772_ADCRATE 0x0b
+#define WM8772_ADCCTRL 0x0c
+#define WM8772_RESET 0x1f
+
+#define WM8772_CACHE_REGNUM 10
+
+extern struct snd_soc_codec_dai wm8772_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8772;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8971.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8971.c
@@ -0,0 +1,1214 @@
+/*
+ * wm8971.c -- WM8971 ALSA SoC Audio driver
+ *
+ * Copyright 2005 Lab126, Inc.
+ *
+ * Author: Kenneth Kiraly <kiraly@lab126.com>
+ *
+ * Based on wm8753.c by Liam Girdwood
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8971.h"
+
+#define AUDIO_NAME "wm8971"
+#define WM8971_VERSION "0.8"
+
+#undef WM8971_DEBUG
+
+#ifdef WM8971_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+#define WM8971_REG_COUNT 43
+
+static struct workqueue_struct *wm8971_workq = NULL;
+static struct work_struct wm8971_dapm_work;
+
+/*
+ * wm8971 register cache
+ * We can't read the WM8971 register space when we
+ * are using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8971_reg[] = {
+ 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
+ 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
+ 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
+ 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
+ 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
+ 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
+ 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
+ 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
+ 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
+ 0x0079, 0x0079, 0x0079, /* 40 */
+};
+
+#define WM8971_HIFI_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF)
+
+#define WM8971_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8971_HIFI_FSB \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
+ SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
+
+#define WM8971_HIFI_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define WM8971_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_mode wm8971_modes[] = {
+ /* common codec frame and clock master modes */
+ /* 8k */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1536,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1408,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 2304,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 2112,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1500,
+ .bfs = WM8971_HIFI_FSB,
+ },
+
+ /* 11.025k */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1024,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1536,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1088,
+ .bfs = WM8971_HIFI_FSB,
+ },
+
+ /* 16k */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 768,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1152,
+ .bfs = WM8971_HIFI_FSB
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 750,
+ .bfs = WM8971_HIFI_FSB,
+ },
+
+ /* 22.05k */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 512,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 768,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 544,
+ .bfs = WM8971_HIFI_FSB,
+ },
+
+ /* 32k */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 384,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 576,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 375,
+ .bfs = WM8971_HIFI_FSB,
+ },
+
+ /* 44.1k & 48k */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 384,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 272,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 250,
+ .bfs = WM8971_HIFI_FSB,
+ },
+
+ /* 88.2k & 96k */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 128,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 192,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 136,
+ .bfs = WM8971_HIFI_FSB,
+ },
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 125,
+ .bfs = WM8971_HIFI_FSB,
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8971_HIFI_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8971_HIFI_BITS,
+ .pcmrate = WM8971_HIFI_RATES,
+ .pcmdir = WM8971_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+static inline unsigned int wm8971_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg < WM8971_REG_COUNT)
+ return cache[reg];
+
+ return -1;
+}
+
+static inline void wm8971_write_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg < WM8971_REG_COUNT)
+ cache[reg] = value;
+}
+
+static int wm8971_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8753 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8971_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8971_reset(c) wm8971_write(c, WM8971_RESET, 0)
+
+/* WM8971 Controls */
+static const char *wm8971_bass[] = { "Linear Control", "Adaptive Boost" };
+static const char *wm8971_bass_filter[] = { "130Hz @ 48kHz",
+ "200Hz @ 48kHz" };
+static const char *wm8971_treble[] = { "8kHz", "4kHz" };
+static const char *wm8971_alc_func[] = { "Off", "Right", "Left", "Stereo" };
+static const char *wm8971_ng_type[] = { "Constant PGA Gain",
+ "Mute ADC Output" };
+static const char *wm8971_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
+static const char *wm8971_mono_mux[] = {"Stereo", "Mono (Left)",
+ "Mono (Right)", "Digital Mono"};
+static const char *wm8971_dac_phase[] = { "Non Inverted", "Inverted" };
+static const char *wm8971_lline_mux[] = {"Line", "NC", "NC", "PGA",
+ "Differential"};
+static const char *wm8971_rline_mux[] = {"Line", "Mic", "NC", "PGA",
+ "Differential"};
+static const char *wm8971_lpga_sel[] = {"Line", "NC", "NC", "Differential"};
+static const char *wm8971_rpga_sel[] = {"Line", "Mic", "NC", "Differential"};
+static const char *wm8971_adcpol[] = {"Normal", "L Invert", "R Invert",
+ "L + R Invert"};
+
+static const struct soc_enum wm8971_enum[] = {
+ SOC_ENUM_SINGLE(WM8971_BASS, 7, 2, wm8971_bass), /* 0 */
+ SOC_ENUM_SINGLE(WM8971_BASS, 6, 2, wm8971_bass_filter),
+ SOC_ENUM_SINGLE(WM8971_TREBLE, 6, 2, wm8971_treble),
+ SOC_ENUM_SINGLE(WM8971_ALC1, 7, 4, wm8971_alc_func),
+ SOC_ENUM_SINGLE(WM8971_NGATE, 1, 2, wm8971_ng_type), /* 4 */
+ SOC_ENUM_SINGLE(WM8971_ADCDAC, 1, 4, wm8971_deemp),
+ SOC_ENUM_SINGLE(WM8971_ADCTL1, 4, 4, wm8971_mono_mux),
+ SOC_ENUM_SINGLE(WM8971_ADCTL1, 1, 2, wm8971_dac_phase),
+ SOC_ENUM_SINGLE(WM8971_LOUTM1, 0, 5, wm8971_lline_mux), /* 8 */
+ SOC_ENUM_SINGLE(WM8971_ROUTM1, 0, 5, wm8971_rline_mux),
+ SOC_ENUM_SINGLE(WM8971_LADCIN, 6, 4, wm8971_lpga_sel),
+ SOC_ENUM_SINGLE(WM8971_RADCIN, 6, 4, wm8971_rpga_sel),
+ SOC_ENUM_SINGLE(WM8971_ADCDAC, 5, 4, wm8971_adcpol), /* 12 */
+ SOC_ENUM_SINGLE(WM8971_ADCIN, 6, 4, wm8971_mono_mux),
+};
+
+static const struct snd_kcontrol_new wm8971_snd_controls[] = {
+ SOC_DOUBLE_R("Capture Volume", WM8971_LINVOL, WM8971_RINVOL, 0, 63, 0),
+ SOC_DOUBLE_R("Capture ZC Switch", WM8971_LINVOL, WM8971_RINVOL, 6, 1, 0),
+ SOC_DOUBLE_R("Capture Switch", WM8971_LINVOL, WM8971_RINVOL, 7, 1, 1),
+
+ SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8971_LOUT1V,
+ WM8971_ROUT1V, 7, 1, 0),
+ SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8971_LOUT2V,
+ WM8971_ROUT2V, 7, 1, 0),
+ SOC_SINGLE("Mono Playback ZC Switch", WM8971_MOUTV, 7, 1, 0),
+
+ SOC_DOUBLE_R("PCM Volume", WM8971_LDAC, WM8971_RDAC, 0, 255, 0),
+
+ SOC_DOUBLE_R("Bypass Left Playback Volume", WM8971_LOUTM1,
+ WM8971_LOUTM2, 4, 7, 1),
+ SOC_DOUBLE_R("Bypass Right Playback Volume", WM8971_ROUTM1,
+ WM8971_ROUTM2, 4, 7, 1),
+ SOC_DOUBLE_R("Bypass Mono Playback Volume", WM8971_MOUTM1,
+ WM8971_MOUTM2, 4, 7, 1),
+
+ SOC_DOUBLE_R("Headphone Playback Volume", WM8971_LOUT1V,
+ WM8971_ROUT1V, 0, 127, 0),
+ SOC_DOUBLE_R("Speaker Playback Volume", WM8971_LOUT2V,
+ WM8971_ROUT2V, 0, 127, 0),
+
+ SOC_ENUM("Bass Boost", wm8971_enum[0]),
+ SOC_ENUM("Bass Filter", wm8971_enum[1]),
+ SOC_SINGLE("Bass Volume", WM8971_BASS, 0, 7, 1),
+
+ SOC_SINGLE("Treble Volume", WM8971_TREBLE, 0, 7, 0),
+ SOC_ENUM("Treble Cut-off", wm8971_enum[2]),
+
+ SOC_SINGLE("Capture Filter Switch", WM8971_ADCDAC, 0, 1, 1),
+
+ SOC_SINGLE("ALC Target Volume", WM8971_ALC1, 0, 7, 0),
+ SOC_SINGLE("ALC Max Volume", WM8971_ALC1, 4, 7, 0),
+
+ SOC_SINGLE("ALC Capture Target Volume", WM8971_ALC1, 0, 7, 0),
+ SOC_SINGLE("ALC Capture Max Volume", WM8971_ALC1, 4, 7, 0),
+ SOC_ENUM("ALC Capture Function", wm8971_enum[3]),
+ SOC_SINGLE("ALC Capture ZC Switch", WM8971_ALC2, 7, 1, 0),
+ SOC_SINGLE("ALC Capture Hold Time", WM8971_ALC2, 0, 15, 0),
+ SOC_SINGLE("ALC Capture Decay Time", WM8971_ALC3, 4, 15, 0),
+ SOC_SINGLE("ALC Capture Attack Time", WM8971_ALC3, 0, 15, 0),
+ SOC_SINGLE("ALC Capture NG Threshold", WM8971_NGATE, 3, 31, 0),
+ SOC_ENUM("ALC Capture NG Type", wm8971_enum[4]),
+ SOC_SINGLE("ALC Capture NG Switch", WM8971_NGATE, 0, 1, 0),
+
+ SOC_SINGLE("Capture 6dB Attenuate", WM8971_ADCDAC, 8, 1, 0),
+ SOC_SINGLE("Playback 6dB Attenuate", WM8971_ADCDAC, 7, 1, 0),
+
+ SOC_ENUM("Playback De-emphasis", wm8971_enum[5]),
+ SOC_ENUM("Playback Function", wm8971_enum[6]),
+ SOC_ENUM("Playback Phase", wm8971_enum[7]),
+
+ SOC_DOUBLE_R("Mic Boost", WM8971_LADCIN, WM8971_RADCIN, 4, 3, 0),
+};
+
+/* add non-DAPM controls */
+static int wm8971_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8971_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8971_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/*
+ * DAPM Controls
+ */
+
+/* Left Mixer */
+static const struct snd_kcontrol_new wm8971_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("Playback Switch", WM8971_LOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_LOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8971_LOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_LOUTM2, 7, 1, 0),
+};
+
+/* Right Mixer */
+static const struct snd_kcontrol_new wm8971_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8971_ROUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_ROUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Playback Switch", WM8971_ROUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_ROUTM2, 7, 1, 0),
+};
+
+/* Mono Mixer */
+static const struct snd_kcontrol_new wm8971_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left Playback Switch", WM8971_MOUTM1, 8, 1, 0),
+SOC_DAPM_SINGLE("Left Bypass Switch", WM8971_MOUTM1, 7, 1, 0),
+SOC_DAPM_SINGLE("Right Playback Switch", WM8971_MOUTM2, 8, 1, 0),
+SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_MOUTM2, 7, 1, 0),
+};
+
+/* Left Line Mux */
+static const struct snd_kcontrol_new wm8971_left_line_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[8]);
+
+/* Right Line Mux */
+static const struct snd_kcontrol_new wm8971_right_line_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[9]);
+
+/* Left PGA Mux */
+static const struct snd_kcontrol_new wm8971_left_pga_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[10]);
+
+/* Right PGA Mux */
+static const struct snd_kcontrol_new wm8971_right_pga_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[11]);
+
+/* Mono ADC Mux */
+static const struct snd_kcontrol_new wm8971_monomux_controls =
+SOC_DAPM_ENUM("Route", wm8971_enum[13]);
+
+static const struct snd_soc_dapm_widget wm8971_dapm_widgets[] = {
+ SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8971_left_mixer_controls[0],
+ ARRAY_SIZE(wm8971_left_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
+ &wm8971_right_mixer_controls[0],
+ ARRAY_SIZE(wm8971_right_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Mono Mixer", WM8971_PWR2, 2, 0,
+ &wm8971_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8971_mono_mixer_controls)),
+
+ SND_SOC_DAPM_PGA("Right Out 2", WM8971_PWR2, 3, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 2", WM8971_PWR2, 4, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Out 1", WM8971_PWR2, 5, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Left Out 1", WM8971_PWR2, 6, 0, NULL, 0),
+ SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8971_PWR2, 7, 0),
+ SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8971_PWR2, 8, 0),
+ SND_SOC_DAPM_PGA("Mono Out 1", WM8971_PWR2, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_MICBIAS("Mic Bias", WM8971_PWR1, 1, 0),
+ SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8971_PWR1, 2, 0),
+ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8971_PWR1, 3, 0),
+
+ SND_SOC_DAPM_MUX("Left PGA Mux", WM8971_PWR1, 5, 0,
+ &wm8971_left_pga_controls),
+ SND_SOC_DAPM_MUX("Right PGA Mux", WM8971_PWR1, 4, 0,
+ &wm8971_right_pga_controls),
+ SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_left_line_controls),
+ SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_right_line_controls),
+
+ SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_monomux_controls),
+ SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
+ &wm8971_monomux_controls),
+
+ SND_SOC_DAPM_OUTPUT("LOUT1"),
+ SND_SOC_DAPM_OUTPUT("ROUT1"),
+ SND_SOC_DAPM_OUTPUT("LOUT2"),
+ SND_SOC_DAPM_OUTPUT("ROUT2"),
+ SND_SOC_DAPM_OUTPUT("MONO"),
+
+ SND_SOC_DAPM_INPUT("LINPUT1"),
+ SND_SOC_DAPM_INPUT("RINPUT1"),
+ SND_SOC_DAPM_INPUT("MIC"),
+};
+
+static const char *audio_map[][3] = {
+ /* left mixer */
+ {"Left Mixer", "Playback Switch", "Left DAC"},
+ {"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Left Mixer", "Right Playback Switch", "Right DAC"},
+ {"Left Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* right mixer */
+ {"Right Mixer", "Left Playback Switch", "Left DAC"},
+ {"Right Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Right Mixer", "Playback Switch", "Right DAC"},
+ {"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* left out 1 */
+ {"Left Out 1", NULL, "Left Mixer"},
+ {"LOUT1", NULL, "Left Out 1"},
+
+ /* left out 2 */
+ {"Left Out 2", NULL, "Left Mixer"},
+ {"LOUT2", NULL, "Left Out 2"},
+
+ /* right out 1 */
+ {"Right Out 1", NULL, "Right Mixer"},
+ {"ROUT1", NULL, "Right Out 1"},
+
+ /* right out 2 */
+ {"Right Out 2", NULL, "Right Mixer"},
+ {"ROUT2", NULL, "Right Out 2"},
+
+ /* mono mixer */
+ {"Mono Mixer", "Left Playback Switch", "Left DAC"},
+ {"Mono Mixer", "Left Bypass Switch", "Left Line Mux"},
+ {"Mono Mixer", "Right Playback Switch", "Right DAC"},
+ {"Mono Mixer", "Right Bypass Switch", "Right Line Mux"},
+
+ /* mono out */
+ {"Mono Out", NULL, "Mono Mixer"},
+ {"MONO1", NULL, "Mono Out"},
+
+ /* Left Line Mux */
+ {"Left Line Mux", "Line", "LINPUT1"},
+ {"Left Line Mux", "PGA", "Left PGA Mux"},
+ {"Left Line Mux", "Differential", "Differential Mux"},
+
+ /* Right Line Mux */
+ {"Right Line Mux", "Line", "RINPUT1"},
+ {"Right Line Mux", "Mic", "MIC"},
+ {"Right Line Mux", "PGA", "Right PGA Mux"},
+ {"Right Line Mux", "Differential", "Differential Mux"},
+
+ /* Left PGA Mux */
+ {"Left PGA Mux", "Line", "LINPUT1"},
+ {"Left PGA Mux", "Differential", "Differential Mux"},
+
+ /* Right PGA Mux */
+ {"Right PGA Mux", "Line", "RINPUT1"},
+ {"Right PGA Mux", "Differential", "Differential Mux"},
+
+ /* Differential Mux */
+ {"Differential Mux", "Line", "LINPUT1"},
+ {"Differential Mux", "Line", "RINPUT1"},
+
+ /* Left ADC Mux */
+ {"Left ADC Mux", "Stereo", "Left PGA Mux"},
+ {"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
+ {"Left ADC Mux", "Digital Mono", "Left PGA Mux"},
+
+ /* Right ADC Mux */
+ {"Right ADC Mux", "Stereo", "Right PGA Mux"},
+ {"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
+ {"Right ADC Mux", "Digital Mono", "Right PGA Mux"},
+
+ /* ADC */
+ {"Left ADC", NULL, "Left ADC Mux"},
+ {"Right ADC", NULL, "Right ADC Mux"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8971_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8971_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8971_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:5;
+ u8 usb:1;
+};
+
+/* codec hifi mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 8k */
+ {12288000, 8000, 1536, 0x6, 0x0},
+ {11289600, 8000, 1408, 0x16, 0x0},
+ {18432000, 8000, 2304, 0x7, 0x0},
+ {16934400, 8000, 2112, 0x17, 0x0},
+ {12000000, 8000, 1500, 0x6, 0x1},
+
+ /* 11.025k */
+ {11289600, 11025, 1024, 0x18, 0x0},
+ {16934400, 11025, 1536, 0x19, 0x0},
+ {12000000, 11025, 1088, 0x19, 0x1},
+
+ /* 16k */
+ {12288000, 16000, 768, 0xa, 0x0},
+ {18432000, 16000, 1152, 0xb, 0x0},
+ {12000000, 16000, 750, 0xa, 0x1},
+
+ /* 22.05k */
+ {11289600, 22050, 512, 0x1a, 0x0},
+ {16934400, 22050, 768, 0x1b, 0x0},
+ {12000000, 22050, 544, 0x1b, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0xc, 0x0},
+ {18432000, 32000, 576, 0xd, 0x0},
+ {12000000, 32000, 375, 0xa, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x10, 0x0},
+ {16934400, 44100, 384, 0x11, 0x0},
+ {12000000, 44100, 272, 0x11, 0x1},
+
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0},
+ {18432000, 48000, 384, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0x1e, 0x0},
+ {16934400, 88200, 192, 0x1f, 0x0},
+ {12000000, 88200, 136, 0x1f, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0xe, 0x0},
+ {18432000, 96000, 192, 0xf, 0x0},
+ {12000000, 96000, 125, 0xe, 0x1},
+};
+
+static int get_coeff(int mclk, int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+ if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+ return i;
+ }
+ return -EINVAL;
+}
+
+/* WM8971 supports numerous input clocks per sample rate */
+static unsigned int wm8971_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ dai->mclk = 0;
+
+ /* check that the calculated FS and rate actually match a clock from
+ * the machine driver */
+ if (info->fs * info->rate == clk)
+ dai->mclk = clk;
+
+ return dai->mclk;
+}
+
+static int wm8971_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 iface = 0, bfs, srate = 0;
+ int i = get_coeff(rtd->codec_dai->mclk,
+ snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate));
+
+ /* is coefficient valid ? */
+ if (i < 0)
+ return i;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface |= 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ iface |= 0x0008;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ iface |= 0x000c;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ }
+
+ /* set bclk divisor rate */
+ switch (bfs) {
+ case 1:
+ break;
+ case 4:
+ srate |= (0x1 << 7);
+ break;
+ case 8:
+ srate |= (0x2 << 7);
+ break;
+ case 16:
+ srate |= (0x3 << 7);
+ break;
+ }
+
+ /* set iface & srate */
+ wm8971_write(codec, WM8971_AUDIO, iface);
+ wm8971_write(codec, WM8971_SRATE, srate |
+ (coeff_div[i].sr << 1) | coeff_div[i].usb);
+ return 0;
+}
+
+static int wm8971_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8971_read_reg_cache(codec, WM8971_ADCDAC) & 0xfff7;
+ if (mute)
+ wm8971_write(codec, WM8971_ADCDAC, mute_reg | 0x8);
+ else
+ wm8971_write(codec, WM8971_ADCDAC, mute_reg);
+ return 0;
+}
+
+static int wm8971_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 pwr_reg = wm8971_read_reg_cache(codec, WM8971_PWR1) & 0xfe3e;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* set vmid to 50k and unmute dac */
+ wm8971_write(codec, WM8971_PWR1, pwr_reg | 0x00c1);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ /* set vmid to 5k for quick power up */
+ wm8971_write(codec, WM8971_PWR1, pwr_reg | 0x01c0);
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* mute dac and set vmid to 500k, enable VREF */
+ wm8971_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ wm8971_write(codec, WM8971_PWR1, 0x0001);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8971_dai = {
+ .name = "WM8971",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = wm8971_config_sysclk,
+ .digital_mute = wm8971_mute,
+ .ops = {
+ .prepare = wm8971_pcm_prepare,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8971_modes),
+ .mode = wm8971_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8971_dai);
+
+static void wm8971_work(void *data)
+{
+ struct snd_soc_codec *codec = (struct snd_soc_codec *)data;
+ wm8971_dapm_event(codec, codec->dapm_state);
+}
+
+static int wm8971_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8971_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8971_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8971_reg); i++) {
+ if (i + 1 == WM8971_RESET)
+ continue;
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+
+ wm8971_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* charge wm8971 caps */
+ if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
+ wm8971_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D0;
+ queue_delayed_work(wm8971_workq, &wm8971_dapm_work,
+ msecs_to_jiffies(1000));
+ }
+
+ return 0;
+}
+
+static int wm8971_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8971";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8971_read_reg_cache;
+ codec->write = wm8971_write;
+ codec->dapm_event = wm8971_dapm_event;
+ codec->dai = &wm8971_dai;
+ codec->reg_cache_size = ARRAY_SIZE(wm8971_reg);
+ codec->num_dai = 1;
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8971_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8971_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8971_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8971_reg);
+
+ wm8971_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* charge output caps */
+ wm8971_dapm_event(codec, SNDRV_CTL_POWER_D2);
+ codec->dapm_state = SNDRV_CTL_POWER_D3hot;
+ queue_delayed_work(wm8971_workq, &wm8971_dapm_work,
+ msecs_to_jiffies(1000));
+
+ /* set the update bits */
+ reg = wm8971_read_reg_cache(codec, WM8971_LDAC);
+ wm8971_write(codec, WM8971_LDAC, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_RDAC);
+ wm8971_write(codec, WM8971_RDAC, reg | 0x0100);
+
+ reg = wm8971_read_reg_cache(codec, WM8971_LOUT1V);
+ wm8971_write(codec, WM8971_LOUT1V, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_ROUT1V);
+ wm8971_write(codec, WM8971_ROUT1V, reg | 0x0100);
+
+ reg = wm8971_read_reg_cache(codec, WM8971_LOUT2V);
+ wm8971_write(codec, WM8971_LOUT2V, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_ROUT2V);
+ wm8971_write(codec, WM8971_ROUT2V, reg | 0x0100);
+
+ reg = wm8971_read_reg_cache(codec, WM8971_LINVOL);
+ wm8971_write(codec, WM8971_LINVOL, reg | 0x0100);
+ reg = wm8971_read_reg_cache(codec, WM8971_RINVOL);
+ wm8971_write(codec, WM8971_RINVOL, reg | 0x0100);
+
+ wm8971_add_controls(codec);
+ wm8971_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+static struct snd_soc_device *wm8971_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8731 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+#define I2C_DRIVERID_WM8971 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8971_i2c_driver;
+static struct i2c_client client_template;
+
+static int wm8971_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8971_socdev;
+ struct wm8971_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+
+ i2c_set_clientdata(i2c, codec);
+
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8971_init(socdev);
+ if (ret < 0) {
+ err("failed to initialise WM8971\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8971_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec* codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8971_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8971_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8971_i2c_driver = {
+ .driver = {
+ .name = "WM8971 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8971,
+ .attach_adapter = wm8971_i2c_attach,
+ .detach_client = wm8971_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8971",
+ .driver = &wm8971_i2c_driver,
+};
+#endif
+
+static int wm8971_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8971_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8971 Audio Codec %s", WM8971_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+ wm8971_socdev = socdev;
+
+ INIT_WORK(&wm8971_dapm_work, wm8971_work, codec);
+ wm8971_workq = create_workqueue("wm8971");
+ if (wm8971_workq == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8971_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+
+ return ret;
+}
+
+/* power down chip */
+static int wm8971_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8971_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ if (wm8971_workq)
+ destroy_workqueue(wm8971_workq);
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8971_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8971 = {
+ .probe = wm8971_probe,
+ .remove = wm8971_remove,
+ .suspend = wm8971_suspend,
+ .resume = wm8971_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8971);
+
+MODULE_DESCRIPTION("ASoC WM8971 driver");
+MODULE_AUTHOR("Lab126");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8971.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8971.h
@@ -0,0 +1,61 @@
+/*
+ * wm8971.h -- audio driver for WM8971
+ *
+ * Copyright 2005 Lab126, Inc.
+ *
+ * Author: Kenneth Kiraly <kiraly@lab126.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef _WM8971_H
+#define _WM8971_H
+
+#define WM8971_LINVOL 0x00
+#define WM8971_RINVOL 0x01
+#define WM8971_LOUT1V 0x02
+#define WM8971_ROUT1V 0x03
+#define WM8971_ADCDAC 0x05
+#define WM8971_AUDIO 0x07
+#define WM8971_SRATE 0x08
+#define WM8971_LDAC 0x0a
+#define WM8971_RDAC 0x0b
+#define WM8971_BASS 0x0c
+#define WM8971_TREBLE 0x0d
+#define WM8971_RESET 0x0f
+#define WM8971_ALC1 0x11
+#define WM8971_ALC2 0x12
+#define WM8971_ALC3 0x13
+#define WM8971_NGATE 0x14
+#define WM8971_LADC 0x15
+#define WM8971_RADC 0x16
+#define WM8971_ADCTL1 0x17
+#define WM8971_ADCTL2 0x18
+#define WM8971_PWR1 0x19
+#define WM8971_PWR2 0x1a
+#define WM8971_ADCTL3 0x1b
+#define WM8971_ADCIN 0x1f
+#define WM8971_LADCIN 0x20
+#define WM8971_RADCIN 0x21
+#define WM8971_LOUTM1 0x22
+#define WM8971_LOUTM2 0x23
+#define WM8971_ROUTM1 0x24
+#define WM8971_ROUTM2 0x25
+#define WM8971_MOUTM1 0x26
+#define WM8971_MOUTM2 0x27
+#define WM8971_LOUT2V 0x28
+#define WM8971_ROUT2V 0x29
+#define WM8971_MOUTV 0x2A
+
+struct wm8971_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8971_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8971;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8974.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8974.c
@@ -0,0 +1,935 @@
+/*
+ * wm8974.c -- WM8974 ALSA Soc Audio driver
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ *
+ * Author: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8974.h"
+
+#define AUDIO_NAME "wm8974"
+#define WM8974_VERSION "0.5"
+
+/*
+ * Debug
+ */
+
+#define WM8974_DEBUG 0
+
+#ifdef WM8974_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+struct snd_soc_codec_device soc_codec_dev_wm8974;
+
+/*
+ * wm8974 register cache
+ * We can't read the WM8974 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8974_reg[WM8974_CACHEREGNUM] = {
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0050, 0x0000, 0x0140, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x00ff,
+ 0x0000, 0x0000, 0x0100, 0x00ff,
+ 0x0000, 0x0000, 0x012c, 0x002c,
+ 0x002c, 0x002c, 0x002c, 0x0000,
+ 0x0032, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0038, 0x000b, 0x0032, 0x0000,
+ 0x0008, 0x000c, 0x0093, 0x00e9,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0003, 0x0010, 0x0000, 0x0000,
+ 0x0000, 0x0002, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0039, 0x0000,
+ 0x0000,
+};
+
+#define WM8974_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF)
+
+#define WM8974_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8974_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+#define WM8794_BCLK \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | SND_SOC_FSBD(8) |\
+ SND_SOC_FSBD(16) | SND_SOC_FSBD(32))
+
+#define WM8794_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_mode wm8974_modes[] = {
+ /* codec frame and clock master modes */
+ {
+ .fmt = WM8974_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8794_HIFI_BITS,
+ .pcmrate = WM8974_RATES,
+ .pcmdir = WM8974_DIR,
+ .fs = 256,
+ .bfs = WM8794_BCLK,
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8974_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8794_HIFI_BITS,
+ .pcmrate = WM8974_RATES,
+ .pcmdir = WM8974_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8974 register cache
+ */
+static inline unsigned int wm8974_read_reg_cache(struct snd_soc_codec * codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == WM8974_RESET)
+ return 0;
+ if (reg >= WM8974_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8974 register cache
+ */
+static inline void wm8974_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= WM8974_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8974 register space
+ */
+static int wm8974_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8974 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8974_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8974_reset(c) wm8974_write(c, WM8974_RESET, 0)
+
+static const char *wm8974_companding[] = {"Off", "NC", "u-law", "A-law" };
+static const char *wm8974_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz" };
+static const char *wm8974_eqmode[] = {"Capture", "Playback" };
+static const char *wm8974_bw[] = {"Narrow", "Wide" };
+static const char *wm8974_eq1[] = {"80Hz", "105Hz", "135Hz", "175Hz" };
+static const char *wm8974_eq2[] = {"230Hz", "300Hz", "385Hz", "500Hz" };
+static const char *wm8974_eq3[] = {"650Hz", "850Hz", "1.1kHz", "1.4kHz" };
+static const char *wm8974_eq4[] = {"1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz" };
+static const char *wm8974_eq5[] = {"5.3kHz", "6.9kHz", "9kHz", "11.7kHz" };
+static const char *wm8974_alc[] = {"ALC", "Limiter" };
+
+static const struct soc_enum wm8974_enum[] = {
+ SOC_ENUM_SINGLE(WM8974_COMP, 1, 4, wm8974_companding), /* adc */
+ SOC_ENUM_SINGLE(WM8974_COMP, 3, 4, wm8974_companding), /* dac */
+ SOC_ENUM_SINGLE(WM8974_DAC, 4, 4, wm8974_deemp),
+ SOC_ENUM_SINGLE(WM8974_EQ1, 8, 2, wm8974_eqmode),
+
+ SOC_ENUM_SINGLE(WM8974_EQ1, 5, 4, wm8974_eq1),
+ SOC_ENUM_SINGLE(WM8974_EQ2, 8, 2, wm8974_bw),
+ SOC_ENUM_SINGLE(WM8974_EQ2, 5, 4, wm8974_eq2),
+ SOC_ENUM_SINGLE(WM8974_EQ3, 8, 2, wm8974_bw),
+
+ SOC_ENUM_SINGLE(WM8974_EQ3, 5, 4, wm8974_eq3),
+ SOC_ENUM_SINGLE(WM8974_EQ4, 8, 2, wm8974_bw),
+ SOC_ENUM_SINGLE(WM8974_EQ4, 5, 4, wm8974_eq4),
+ SOC_ENUM_SINGLE(WM8974_EQ5, 8, 2, wm8974_bw),
+
+ SOC_ENUM_SINGLE(WM8974_EQ5, 5, 4, wm8974_eq5),
+ SOC_ENUM_SINGLE(WM8974_ALC3, 8, 2, wm8974_alc),
+};
+
+static const struct snd_kcontrol_new wm8974_snd_controls[] = {
+
+SOC_SINGLE("Digital Loopback Switch", WM8974_COMP, 0, 1, 0),
+
+SOC_ENUM("DAC Companding", wm8974_enum[1]),
+SOC_ENUM("ADC Companding", wm8974_enum[0]),
+
+SOC_ENUM("Playback De-emphasis", wm8974_enum[2]),
+SOC_SINGLE("DAC Inversion Switch", WM8974_DAC, 0, 1, 0),
+
+SOC_SINGLE("PCM Volume", WM8974_DACVOL, 0, 127, 0),
+
+SOC_SINGLE("High Pass Filter Switch", WM8974_ADC, 8, 1, 0),
+SOC_SINGLE("High Pass Cut Off", WM8974_ADC, 4, 7, 0),
+SOC_SINGLE("ADC Inversion Switch", WM8974_COMP, 0, 1, 0),
+
+SOC_SINGLE("Capture Volume", WM8974_ADCVOL, 0, 127, 0),
+
+SOC_ENUM("Equaliser Function", wm8974_enum[3]),
+SOC_ENUM("EQ1 Cut Off", wm8974_enum[4]),
+SOC_SINGLE("EQ1 Volume", WM8974_EQ1, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ2 Bandwith", wm8974_enum[5]),
+SOC_ENUM("EQ2 Cut Off", wm8974_enum[6]),
+SOC_SINGLE("EQ2 Volume", WM8974_EQ2, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ3 Bandwith", wm8974_enum[7]),
+SOC_ENUM("EQ3 Cut Off", wm8974_enum[8]),
+SOC_SINGLE("EQ3 Volume", WM8974_EQ3, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ4 Bandwith", wm8974_enum[9]),
+SOC_ENUM("EQ4 Cut Off", wm8974_enum[10]),
+SOC_SINGLE("EQ4 Volume", WM8974_EQ4, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ5 Bandwith", wm8974_enum[11]),
+SOC_ENUM("EQ5 Cut Off", wm8974_enum[12]),
+SOC_SINGLE("EQ5 Volume", WM8974_EQ5, 0, 31, 1),
+
+SOC_SINGLE("DAC Playback Limiter Switch", WM8974_DACLIM1, 8, 1, 0),
+SOC_SINGLE("DAC Playback Limiter Decay", WM8974_DACLIM1, 4, 15, 0),
+SOC_SINGLE("DAC Playback Limiter Attack", WM8974_DACLIM1, 0, 15, 0),
+
+SOC_SINGLE("DAC Playback Limiter Threshold", WM8974_DACLIM2, 4, 7, 0),
+SOC_SINGLE("DAC Playback Limiter Boost", WM8974_DACLIM2, 0, 15, 0),
+
+SOC_SINGLE("ALC Enable Switch", WM8974_ALC1, 8, 1, 0),
+SOC_SINGLE("ALC Capture Max Gain", WM8974_ALC1, 3, 7, 0),
+SOC_SINGLE("ALC Capture Min Gain", WM8974_ALC1, 0, 7, 0),
+
+SOC_SINGLE("ALC Capture ZC Switch", WM8974_ALC2, 8, 1, 0),
+SOC_SINGLE("ALC Capture Hold", WM8974_ALC2, 4, 7, 0),
+SOC_SINGLE("ALC Capture Target", WM8974_ALC2, 0, 15, 0),
+
+SOC_ENUM("ALC Capture Mode", wm8974_enum[13]),
+SOC_SINGLE("ALC Capture Decay", WM8974_ALC3, 4, 15, 0),
+SOC_SINGLE("ALC Capture Attack", WM8974_ALC3, 0, 15, 0),
+
+SOC_SINGLE("ALC Capture Noise Gate Switch", WM8974_NGATE, 3, 1, 0),
+SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8974_NGATE, 0, 7, 0),
+
+SOC_SINGLE("Capture PGA ZC Switch", WM8974_INPPGA, 7, 1, 0),
+SOC_SINGLE("Capture PGA Volume", WM8974_INPPGA, 0, 63, 0),
+
+SOC_SINGLE("Speaker Playback ZC Switch", WM8974_SPKVOL, 7, 1, 0),
+SOC_SINGLE("Speaker Playback Switch", WM8974_SPKVOL, 6, 1, 1),
+SOC_SINGLE("Speaker Playback Volume", WM8974_SPKVOL, 0, 63, 0),
+
+SOC_SINGLE("Capture Boost(+20dB)", WM8974_ADCBOOST, 8, 1, 0),
+SOC_SINGLE("Mono Playback Switch", WM8974_MONOMIX, 6, 1, 0),
+};
+
+/* add non dapm controls */
+static int wm8974_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8974_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8974_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Speaker Output Mixer */
+static const struct snd_kcontrol_new wm8974_speaker_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8974_SPKMIX, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8974_SPKMIX, 5, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", WM8974_SPKMIX, 0, 1, 1),
+};
+
+/* Mono Output Mixer */
+static const struct snd_kcontrol_new wm8974_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8974_MONOMIX, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8974_MONOMIX, 2, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", WM8974_MONOMIX, 0, 1, 1),
+};
+
+/* AUX Input boost vol */
+static const struct snd_kcontrol_new wm8974_aux_boost_controls =
+SOC_DAPM_SINGLE("Aux Volume", WM8974_ADCBOOST, 0, 7, 0);
+
+/* Mic Input boost vol */
+static const struct snd_kcontrol_new wm8974_mic_boost_controls =
+SOC_DAPM_SINGLE("Mic Volume", WM8974_ADCBOOST, 4, 7, 0);
+
+/* Capture boost switch */
+static const struct snd_kcontrol_new wm8974_capture_boost_controls =
+SOC_DAPM_SINGLE("Capture Boost Switch", WM8974_INPPGA, 6, 1, 0);
+
+/* Aux In to PGA */
+static const struct snd_kcontrol_new wm8974_aux_capture_boost_controls =
+SOC_DAPM_SINGLE("Aux Capture Boost Switch", WM8974_INPPGA, 2, 1, 0);
+
+/* Mic P In to PGA */
+static const struct snd_kcontrol_new wm8974_micp_capture_boost_controls =
+SOC_DAPM_SINGLE("Mic P Capture Boost Switch", WM8974_INPPGA, 0, 1, 0);
+
+/* Mic N In to PGA */
+static const struct snd_kcontrol_new wm8974_micn_capture_boost_controls =
+SOC_DAPM_SINGLE("Mic N Capture Boost Switch", WM8974_INPPGA, 1, 1, 0);
+
+static const struct snd_soc_dapm_widget wm8974_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Speaker Mixer", WM8974_POWER3, 2, 0,
+ &wm8974_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm8974_speaker_mixer_controls)),
+SND_SOC_DAPM_MIXER("Mono Mixer", WM8974_POWER3, 3, 0,
+ &wm8974_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8974_mono_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8974_POWER3, 0, 0),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8974_POWER3, 0, 0),
+SND_SOC_DAPM_PGA("Aux Input", WM8974_POWER1, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkN Out", WM8974_POWER3, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkP Out", WM8974_POWER3, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out", WM8974_POWER3, 7, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mic PGA", WM8974_POWER2, 2, 0, NULL, 0),
+
+SND_SOC_DAPM_PGA("Aux Boost", SND_SOC_NOPM, 0, 0,
+ &wm8974_aux_boost_controls, 1),
+SND_SOC_DAPM_PGA("Mic Boost", SND_SOC_NOPM, 0, 0,
+ &wm8974_mic_boost_controls, 1),
+SND_SOC_DAPM_SWITCH("Capture Boost", SND_SOC_NOPM, 0, 0,
+ &wm8974_capture_boost_controls),
+
+SND_SOC_DAPM_MIXER("Boost Mixer", WM8974_POWER2, 4, 0, NULL, 0),
+
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8974_POWER1, 4, 0),
+
+SND_SOC_DAPM_INPUT("MICN"),
+SND_SOC_DAPM_INPUT("MICP"),
+SND_SOC_DAPM_INPUT("AUX"),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("SPKOUTP"),
+SND_SOC_DAPM_OUTPUT("SPKOUTN"),
+};
+
+static const char *audio_map[][3] = {
+ /* Mono output mixer */
+ {"Mono Mixer", "PCM Playback Switch", "DAC"},
+ {"Mono Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Speaker output mixer */
+ {"Speaker Mixer", "PCM Playback Switch", "DAC"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Outputs */
+ {"Mono Out", NULL, "Mono Mixer"},
+ {"MONOOUT", NULL, "Mono Out"},
+ {"SpkN Out", NULL, "Speaker Mixer"},
+ {"SpkP Out", NULL, "Speaker Mixer"},
+ {"SPKOUTN", NULL, "SpkN Out"},
+ {"SPKOUTP", NULL, "SpkP Out"},
+
+ /* Boost Mixer */
+ {"Boost Mixer", NULL, "ADC"},
+ {"Capture Boost Switch", "Aux Capture Boost Switch", "AUX"},
+ {"Aux Boost", "Aux Volume", "Boost Mixer"},
+ {"Capture Boost", "Capture Switch", "Boost Mixer"},
+ {"Mic Boost", "Mic Volume", "Boost Mixer"},
+
+ /* Inputs */
+ {"MICP", NULL, "Mic Boost"},
+ {"MICN", NULL, "Mic PGA"},
+ {"Mic PGA", NULL, "Capture Boost"},
+ {"AUX", NULL, "Aux Input"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8974_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8974_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8974_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct pll_ {
+ unsigned int in_hz, out_hz;
+ unsigned int pre:4; /* prescale - 1 */
+ unsigned int n:4;
+ unsigned int k;
+};
+
+struct pll_ pll[] = {
+ {12000000, 11289600, 0, 7, 0x86c220},
+ {12000000, 12288000, 0, 8, 0x3126e8},
+ {13000000, 11289600, 0, 6, 0xf28bd4},
+ {13000000, 12288000, 0, 7, 0x8fd525},
+ {12288000, 11289600, 0, 7, 0x59999a},
+ {11289600, 12288000, 0, 8, 0x80dee9},
+ /* liam - add more entries */
+};
+
+static int set_pll(struct snd_soc_codec *codec, unsigned int in,
+ unsigned int out)
+{
+ int i;
+ u16 reg;
+
+ if(out == 0) {
+ reg = wm8974_read_reg_cache(codec, WM8974_POWER1);
+ wm8974_write(codec, WM8974_POWER1, reg & 0x1df);
+ return 0;
+ }
+
+ for(i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (in == pll[i].in_hz && out == pll[i].out_hz) {
+ wm8974_write(codec, WM8974_PLLN, (pll[i].pre << 4) | pll[i].n);
+ wm8974_write(codec, WM8974_PLLK1, pll[i].k >> 18);
+ wm8974_write(codec, WM8974_PLLK1, (pll[i].k >> 9) && 0x1ff);
+ wm8974_write(codec, WM8974_PLLK1, pll[i].k && 0x1ff);
+ reg = wm8974_read_reg_cache(codec, WM8974_POWER1);
+ wm8974_write(codec, WM8974_POWER1, reg | 0x020);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+/* mclk dividers * 2 */
+static unsigned char mclk_div[] = {2, 3, 4, 6, 8, 12, 16, 24};
+
+/* we need 256FS to drive the DAC's and ADC's */
+static unsigned int wm8974_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ int i, j, best_clk = info->fs * info->rate;
+
+ /* can we run at this clk without the PLL ? */
+ for (i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if ((best_clk >> 1) * mclk_div[i] == clk) {
+ dai->pll_in = 0;
+ dai->clk_div = mclk_div[i];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+
+ /* now check for PLL support */
+ for (i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (pll[i].in_hz == clk) {
+ for (j = 0; j < ARRAY_SIZE(mclk_div); j++) {
+ if (pll[i].out_hz == mclk_div[j] * (best_clk >> 1)) {
+ dai->pll_in = clk;
+ dai->pll_out = pll[i].out_hz;
+ dai->clk_div = mclk_div[j];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+}
+
+static int wm8974_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec_dai *dai = rtd->codec_dai;
+ u16 iface = 0, bfs, clk = 0, adn;
+ int fs = 48000 << 7, i;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ switch (bfs) {
+ case 2:
+ clk |= 0x1 << 2;
+ break;
+ case 4:
+ clk |= 0x2 << 2;
+ break;
+ case 8:
+ clk |= 0x3 << 2;
+ break;
+ case 16:
+ clk |= 0x4 << 2;
+ break;
+ case 32:
+ clk |= 0x5 << 2;
+ break;
+ }
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ clk |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0010;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0008;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x00018;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ iface |= 0x0020;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ iface |= 0x0040;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ iface |= 0x0060;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0180;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0100;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0080;
+ break;
+ }
+
+ /* filter coefficient */
+ adn = wm8974_read_reg_cache(codec, WM8974_ADD) & 0x1f1;
+ switch (rtd->codec_dai->dai_runtime.pcmrate) {
+ case SNDRV_PCM_RATE_8000:
+ adn |= 0x5 << 1;
+ fs = 8000 << 7;
+ break;
+ case SNDRV_PCM_RATE_11025:
+ adn |= 0x4 << 1;
+ fs = 11025 << 7;
+ break;
+ case SNDRV_PCM_RATE_16000:
+ adn |= 0x3 << 1;
+ fs = 16000 << 7;
+ break;
+ case SNDRV_PCM_RATE_22050:
+ adn |= 0x2 << 1;
+ fs = 22050 << 7;
+ break;
+ case SNDRV_PCM_RATE_32000:
+ adn |= 0x1 << 1;
+ fs = 32000 << 7;
+ break;
+ case SNDRV_PCM_RATE_44100:
+ fs = 44100 << 7;
+ break;
+ }
+
+ /* do we need to enable the PLL */
+ if(dai->pll_in)
+ set_pll(codec, dai->pll_in, dai->pll_out);
+
+ /* divide the clock to 256 fs */
+ for(i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if (dai->clk_div == mclk_div[i]) {
+ clk |= i << 5;
+ clk &= 0xff;
+ goto set;
+ }
+ }
+
+set:
+ /* set iface */
+ wm8974_write(codec, WM8974_IFACE, iface);
+ wm8974_write(codec, WM8974_CLOCK, clk);
+
+ return 0;
+}
+
+static int wm8974_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ set_pll(codec, 0, 0);
+ return 0;
+}
+
+static int wm8974_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8974_read_reg_cache(codec, WM8974_DAC) & 0xffbf;
+ if(mute)
+ wm8974_write(codec, WM8974_DAC, mute_reg | 0x40);
+ else
+ wm8974_write(codec, WM8974_DAC, mute_reg);
+ return 0;
+}
+
+/* liam need to make this lower power with dapm */
+static int wm8974_dapm_event(struct snd_soc_codec *codec, int event)
+{
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, clk and osc on, dac unmute, active */
+ wm8974_write(codec, WM8974_POWER1, 0x1ff);
+ wm8974_write(codec, WM8974_POWER2, 0x1ff);
+ wm8974_write(codec, WM8974_POWER3, 0x1ff);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, dac mute, inactive */
+
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8974_write(codec, WM8974_POWER1, 0x0);
+ wm8974_write(codec, WM8974_POWER2, 0x0);
+ wm8974_write(codec, WM8974_POWER3, 0x0);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8974_dai = {
+ .name = "WM8974 HiFi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ },
+ .config_sysclk = wm8974_config_sysclk,
+ .digital_mute = wm8974_mute,
+ .ops = {
+ .prepare = wm8974_pcm_prepare,
+ .hw_free = wm8974_hw_free,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8974_modes),
+ .mode = wm8974_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8974_dai);
+
+static int wm8974_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8974_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8974_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8974_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8974_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8974_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8974 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8974_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ codec->name = "WM8974";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8974_read_reg_cache;
+ codec->write = wm8974_write;
+ codec->dapm_event = wm8974_dapm_event;
+ codec->dai = &wm8974_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8974_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8974_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8974_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8974_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8974_reg);
+
+ wm8974_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ wm8974_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8974_add_controls(codec);
+ wm8974_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if(ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *wm8974_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8974 2 wire address is 0x1a
+ */
+#define I2C_DRIVERID_WM8974 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8974_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int wm8974_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8974_socdev;
+ struct wm8974_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if(ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8974_init(socdev);
+ if(ret < 0) {
+ err("failed to initialise WM8974\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8974_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8974_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8974_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8974_i2c_driver = {
+ .driver = {
+ .name = "WM8974 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8974,
+ .attach_adapter = wm8974_i2c_attach,
+ .detach_client = wm8974_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8974",
+ .driver = &wm8974_i2c_driver,
+};
+#endif
+
+static int wm8974_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8974_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8974 Audio Codec %s", WM8974_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8974_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8974_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8974_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8974_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8974_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8974 = {
+ .probe = wm8974_probe,
+ .remove = wm8974_remove,
+ .suspend = wm8974_suspend,
+ .resume = wm8974_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8974);
+
+MODULE_DESCRIPTION("ASoC WM8974 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8974.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8974.h
@@ -0,0 +1,64 @@
+/*
+ * wm8974.h -- WM8974 Soc Audio driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8974_H
+#define _WM8974_H
+
+/* WM8974 register space */
+
+#define WM8974_RESET 0x0
+#define WM8974_POWER1 0x1
+#define WM8974_POWER2 0x2
+#define WM8974_POWER3 0x3
+#define WM8974_IFACE 0x4
+#define WM8974_COMP 0x5
+#define WM8974_CLOCK 0x6
+#define WM8974_ADD 0x7
+#define WM8974_GPIO 0x8
+#define WM8974_DAC 0xa
+#define WM8974_DACVOL 0xb
+#define WM8974_ADC 0xe
+#define WM8974_ADCVOL 0xf
+#define WM8974_EQ1 0x12
+#define WM8974_EQ2 0x13
+#define WM8974_EQ3 0x14
+#define WM8974_EQ4 0x15
+#define WM8974_EQ5 0x16
+#define WM8974_DACLIM1 0x18
+#define WM8974_DACLIM2 0x19
+#define WM8974_NOTCH1 0x1b
+#define WM8974_NOTCH2 0x1c
+#define WM8974_NOTCH3 0x1d
+#define WM8974_NOTCH4 0x1e
+#define WM8974_ALC1 0x20
+#define WM8974_ALC2 0x21
+#define WM8974_ALC3 0x22
+#define WM8974_NGATE 0x23
+#define WM8974_PLLN 0x24
+#define WM8974_PLLK1 0x25
+#define WM8974_PLLK2 0x26
+#define WM8974_PLLK3 0x27
+#define WM8974_ATTEN 0x28
+#define WM8974_INPUT 0x2c
+#define WM8974_INPPGA 0x2d
+#define WM8974_ADCBOOST 0x2f
+#define WM8974_OUTPUT 0x31
+#define WM8974_SPKMIX 0x32
+#define WM8974_SPKVOL 0x36
+#define WM8974_MONOMIX 0x38
+
+#define WM8974_CACHEREGNUM 57
+
+struct wm8974_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8974_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8974;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm9712.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm9712.c
@@ -0,0 +1,781 @@
+/*
+ * wm9712.c -- ALSA Soc WM9712 codec support
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 4th Feb 2006 Initial version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#define WM9712_VERSION "0.4"
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg);
+static int ac97_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val);
+
+#define AC97_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define AC97_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+/* may need to expand this */
+static struct snd_soc_dai_mode ac97_modes[] = {
+ {
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE,
+ .pcmrate = AC97_RATES,
+ .pcmdir = AC97_DIR,
+ },
+};
+
+/*
+ * WM9712 register cache
+ */
+static const u16 wm9712_reg[] = {
+ 0x6174, 0x8000, 0x8000, 0x8000, // 6
+ 0xf0f0, 0xaaa0, 0xc008, 0x6808, // e
+ 0xe808, 0xaaa0, 0xad00, 0x8000, // 16
+ 0xe808, 0x3000, 0x8000, 0x0000, // 1e
+ 0x0000, 0x0000, 0x0000, 0x000f, // 26
+ 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
+ 0x0000, 0xbb80, 0x0000, 0x0000, // 36
+ 0x0000, 0x2000, 0x0000, 0x0000, // 3e
+ 0x0000, 0x0000, 0x0000, 0x0000, // 46
+ 0x0000, 0x0000, 0xf83e, 0xffff, // 4e
+ 0x0000, 0x0000, 0x0000, 0xf83e, // 56
+ 0x0008, 0x0000, 0x0000, 0x0000, // 5e
+ 0xb032, 0x3e00, 0x0000, 0x0000, // 66
+ 0x0000, 0x0000, 0x0000, 0x0000, // 6e
+ 0x0000, 0x0000, 0x0000, 0x0006, // 76
+ 0x0001, 0x0000, 0x574d, 0x4c12, // 7e
+ 0x0000, 0x0000 // virtual hp mixers
+};
+
+/* virtual HP mixers regs */
+#define HPL_MIXER 0x80
+#define HPR_MIXER 0x82
+
+static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
+static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
+static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
+ "Mono"};
+static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
+static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
+static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
+static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
+static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
+ "Stereo"};
+static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
+ "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
+static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
+static const char *wm9712_diff_sel[] = {"Mic", "Line"};
+
+static const struct soc_enum wm9712_enum[] = {
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
+SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
+SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
+SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
+SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
+SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
+SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
+SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
+SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
+SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
+SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
+};
+
+static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
+SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
+SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
+SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
+SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1),
+
+SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
+SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
+SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
+SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
+SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 0),
+
+SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
+SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
+SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
+SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
+SOC_ENUM("ALC Function", wm9712_enum[0]),
+SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
+SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
+SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
+SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
+SOC_ENUM("ALC NG Type", wm9712_enum[10]),
+SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
+
+SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1),
+SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
+
+SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
+SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
+SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
+
+SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
+SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
+SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
+
+SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
+SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
+SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
+
+SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0),
+SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
+
+SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
+SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
+
+SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
+SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
+SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
+
+SOC_ENUM("Bass Control", wm9712_enum[5]),
+SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
+SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
+SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
+SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0),
+SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0),
+
+SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
+SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
+SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
+SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
+
+SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
+SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
+SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
+};
+
+/* add non dapm controls */
+static int wm9712_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm9712_snd_ac97_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/* We have to create a fake left and right HP mixers because
+ * the codec only has a single control that is shared by both channels.
+ * This makes it impossible to determine the audio path.
+ */
+static int mixer_event (struct snd_soc_dapm_widget *w, int event)
+{
+ u16 l, r, beep, line, phone, mic, pcm, aux;
+
+ l = ac97_read(w->codec, HPL_MIXER);
+ r = ac97_read(w->codec, HPR_MIXER);
+ beep = ac97_read(w->codec, AC97_PC_BEEP);
+ mic = ac97_read(w->codec, AC97_VIDEO);
+ phone = ac97_read(w->codec, AC97_PHONE);
+ line = ac97_read(w->codec, AC97_LINE);
+ pcm = ac97_read(w->codec, AC97_PCM);
+ aux = ac97_read(w->codec, AC97_CD);
+
+ if (l & 0x1 || r & 0x1)
+ ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
+
+ if (l & 0x2 || r & 0x2)
+ ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
+
+ if (l & 0x4 || r & 0x4)
+ ac97_write(w->codec, AC97_LINE, line & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_LINE, line | 0x8000);
+
+ if (l & 0x8 || r & 0x8)
+ ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
+
+ if (l & 0x10 || r & 0x10)
+ ac97_write(w->codec, AC97_CD, aux & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_CD, aux | 0x8000);
+
+ if (l & 0x20 || r & 0x20)
+ ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
+
+ return 0;
+}
+
+/* Left Headphone Mixers */
+static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
+ SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
+ SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
+ SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
+ SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
+ SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
+};
+
+/* Right Headphone Mixers */
+static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
+ SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
+ SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
+ SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
+ SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
+ SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
+};
+
+/* Speaker Mixer */
+static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
+ SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
+ SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
+ SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
+ SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
+};
+
+/* Phone Mixer */
+static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
+ SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
+ SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
+ SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
+ SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
+ SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
+ SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
+};
+
+/* ALC headphone mux */
+static const struct snd_kcontrol_new wm9712_alc_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[1]);
+
+/* out 3 mux */
+static const struct snd_kcontrol_new wm9712_out3_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[2]);
+
+/* spk mux */
+static const struct snd_kcontrol_new wm9712_spk_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[3]);
+
+/* Capture to Phone mux */
+static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[4]);
+
+/* Capture left select */
+static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[8]);
+
+/* Capture right select */
+static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[9]);
+
+/* Mic select */
+static const struct snd_kcontrol_new wm9712_mic_src_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[7]);
+
+/* diff select */
+static const struct snd_kcontrol_new wm9712_diff_sel_controls =
+SOC_DAPM_ENUM("Route", wm9712_enum[11]);
+
+static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
+SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_alc_mux_controls),
+SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_out3_mux_controls),
+SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_spk_mux_controls),
+SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
+ &wm9712_capture_phone_mux_controls),
+SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
+ &wm9712_capture_selectl_controls),
+SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
+ &wm9712_capture_selectr_controls),
+SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
+ &wm9712_mic_src_controls),
+SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
+ &wm9712_diff_sel_controls),
+SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
+ &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
+ mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
+ &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
+ mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
+ &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
+SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
+ &wm9712_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm9712_speaker_mixer_controls)),
+SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
+SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
+SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
+SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
+SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
+SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
+SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("HPOUTL"),
+SND_SOC_DAPM_OUTPUT("HPOUTR"),
+SND_SOC_DAPM_OUTPUT("LOUT2"),
+SND_SOC_DAPM_OUTPUT("ROUT2"),
+SND_SOC_DAPM_OUTPUT("OUT3"),
+SND_SOC_DAPM_INPUT("LINEINL"),
+SND_SOC_DAPM_INPUT("LINEINR"),
+SND_SOC_DAPM_INPUT("PHONE"),
+SND_SOC_DAPM_INPUT("PCBEEP"),
+SND_SOC_DAPM_INPUT("MIC1"),
+SND_SOC_DAPM_INPUT("MIC2"),
+};
+
+static const char *audio_map[][3] = {
+ /* virtual mixer - mixes left & right channels for spk and mono */
+ {"AC97 Mixer", NULL, "Left DAC"},
+ {"AC97 Mixer", NULL, "Right DAC"},
+
+ /* Left HP mixer */
+ {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"},
+ {"Left HP Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
+ {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
+ {"Left HP Mixer", NULL, "ALC Sidetone Mux"},
+ //{"Right HP Mixer", NULL, "HP Mixer"},
+
+ /* Right HP mixer */
+ {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"},
+ {"Right HP Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
+ {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"},
+ {"Right HP Mixer", NULL, "ALC Sidetone Mux"},
+
+ /* speaker mixer */
+ {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Speaker Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
+ {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
+
+ /* Phone mixer */
+ {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"},
+ {"Phone Mixer", "Line Bypass Switch", "Line PGA"},
+ {"Phone Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"},
+ {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
+ {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
+
+ /* inputs */
+ {"Line PGA", NULL, "LINEINL"},
+ {"Line PGA", NULL, "LINEINR"},
+ {"Phone PGA", NULL, "PHONE"},
+ {"Mic PGA", NULL, "MIC1"},
+ {"Mic PGA", NULL, "MIC2"},
+
+ /* left capture selector */
+ {"Left Capture Select", "Mic", "MIC1"},
+ {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
+ {"Left Capture Select", "Line", "LINEINL"},
+ {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
+ {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
+ {"Left Capture Select", "Phone", "PHONE"},
+
+ /* right capture selector */
+ {"Right Capture Select", "Mic", "MIC2"},
+ {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
+ {"Right Capture Select", "Line", "LINEINR"},
+ {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
+ {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
+ {"Right Capture Select", "Phone", "PHONE"},
+
+ /* ALC Sidetone */
+ {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
+ {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
+ {"ALC Sidetone Mux", "Left", "Left Capture Select"},
+ {"ALC Sidetone Mux", "Right", "Right Capture Select"},
+
+ /* ADC's */
+ {"Left ADC", NULL, "Left Capture Select"},
+ {"Right ADC", NULL, "Right Capture Select"},
+
+ /* outputs */
+ {"MONOOUT", NULL, "Phone Mixer"},
+ {"HPOUTL", NULL, "Headphone PGA"},
+ {"Headphone PGA", NULL, "Left HP Mixer"},
+ {"HPOUTR", NULL, "Headphone PGA"},
+ {"Headphone PGA", NULL, "Right HP Mixer"},
+
+ /* mono hp mixer */
+ {"Mono HP Mixer", NULL, "Left HP Mixer"},
+ {"Mono HP Mixer", NULL, "Right HP Mixer"},
+
+ /* Out3 Mux */
+ {"Out3 Mux", "Left", "Left HP Mixer"},
+ {"Out3 Mux", "Mono", "Phone Mixer"},
+ {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
+ {"Out 3 PGA", NULL, "Out3 Mux"},
+ {"OUT3", NULL, "Out 3 PGA"},
+
+ /* speaker Mux */
+ {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
+ {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
+ {"Speaker PGA", NULL, "Speaker Mux"},
+ {"LOUT2", NULL, "Speaker PGA"},
+ {"ROUT2", NULL, "Speaker PGA"},
+
+ {NULL, NULL, NULL},
+};
+
+static int wm9712_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+
+ if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
+ reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
+ reg == AC97_REC_GAIN)
+ return soc_ac97_ops.read(codec->ac97, reg);
+ else {
+ reg = reg >> 1;
+
+ if (reg > (ARRAY_SIZE(wm9712_reg)))
+ return -EIO;
+
+ return cache[reg];
+ }
+}
+
+static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int val)
+{
+ u16 *cache = codec->reg_cache;
+
+ soc_ac97_ops.write(codec->ac97, reg, val);
+ reg = reg >> 1;
+ if (reg <= (ARRAY_SIZE(wm9712_reg)))
+ cache[reg] = val;
+
+ return 0;
+}
+
+static int ac97_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg;
+ u16 vra;
+
+ vra = ac97_read(codec, AC97_EXTENDED_STATUS);
+ ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ reg = AC97_PCM_FRONT_DAC_RATE;
+ else
+ reg = AC97_PCM_LR_ADC_RATE;
+
+ return ac97_write(codec, reg, runtime->rate);
+}
+
+static int ac97_aux_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 vra, xsle;
+
+ vra = ac97_read(codec, AC97_EXTENDED_STATUS);
+ ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
+ xsle = ac97_read(codec, AC97_PCI_SID);
+ ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
+
+ if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
+ return -ENODEV;
+
+ return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
+}
+
+struct snd_soc_codec_dai wm9712_dai[] = {
+{
+ .name = "AC97 HiFi",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .prepare = ac97_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(ac97_modes),
+ .mode = ac97_modes,},
+ },
+ {
+ .name = "AC97 Aux",
+ .playback = {
+ .stream_name = "Aux Playback",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .ops = {
+ .prepare = ac97_aux_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(ac97_modes),
+ .mode = ac97_modes,},
+ },
+};
+EXPORT_SYMBOL_GPL(wm9712_dai);
+
+static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 reg;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* liam - maybe enable thermal shutdown */
+ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
+ ac97_write(codec, AC97_EXTENDED_MID, reg);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* enable master bias and vmid */
+ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff;
+ ac97_write(codec, AC97_EXTENDED_MID, reg);
+ ac97_write(codec, AC97_POWERDOWN, 0x0000);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* disable everything including AC link */
+ ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
+ ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
+ ac97_write(codec, AC97_POWERDOWN, 0xffff);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
+{
+ if (try_warm && soc_ac97_ops.warm_reset) {
+ soc_ac97_ops.warm_reset(codec->ac97);
+ if (!(ac97_read(codec, 0) & 0x8000))
+ return 1;
+ }
+
+ soc_ac97_ops.reset(codec->ac97);
+ if (ac97_read(codec, 0) & 0x8000)
+ goto err;
+ return 0;
+
+err:
+ printk(KERN_ERR "WM9712 AC97 reset failed\n");
+ return -EIO;
+}
+
+static int wm9712_soc_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm9712_soc_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i, ret;
+ u16 *cache = codec->reg_cache;
+
+ ret = wm9712_reset(codec, 1);
+ if (ret < 0){
+ printk(KERN_ERR "could not reset AC97 codec\n");
+ return ret;
+ }
+
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ if (ret == 0) {
+ /* Sync reg_cache with the hardware after cold reset */
+ for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) {
+ if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
+ (i > 0x58 && i != 0x5c))
+ continue;
+ soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
+ }
+ }
+
+ if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
+
+ return ret;
+}
+
+static int wm9712_soc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
+
+ socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (socdev->codec == NULL)
+ return -ENOMEM;
+ codec = socdev->codec;
+ mutex_init(&codec->mutex);
+
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL) {
+ kfree(codec->ac97);
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return -ENOMEM;
+ }
+ memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9712_reg);
+ codec->reg_cache_step = 2;
+
+ codec->name = "WM9712";
+ codec->owner = THIS_MODULE;
+ codec->dai = wm9712_dai;
+ codec->num_dai = ARRAY_SIZE(wm9712_dai);
+ codec->write = ac97_write;
+ codec->read = ac97_read;
+ codec->dapm_event = wm9712_dapm_event;
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
+ if (ret < 0)
+ goto err;
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0)
+ goto pcm_err;
+
+ ret = wm9712_reset(codec, 0);
+ if (ret < 0) {
+ printk(KERN_ERR "AC97 link error\n");
+ goto reset_err;
+ }
+
+ /* set alc mux to none */
+ ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
+
+ wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm9712_add_controls(codec);
+ wm9712_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0)
+ goto reset_err;
+
+ return 0;
+
+reset_err:
+ snd_soc_free_pcms(socdev);
+
+pcm_err:
+ snd_soc_free_ac97_codec(codec);
+
+err:
+ kfree(socdev->codec->reg_cache);
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return ret;
+}
+
+static int wm9712_soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec == NULL)
+ return 0;
+
+ snd_soc_dapm_free(socdev);
+ snd_soc_free_pcms(socdev);
+ snd_soc_free_ac97_codec(codec);
+ kfree(codec->reg_cache);
+ kfree(codec);
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm9712 = {
+ .probe = wm9712_soc_probe,
+ .remove = wm9712_soc_remove,
+ .suspend = wm9712_soc_suspend,
+ .resume = wm9712_soc_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
+
+MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm9712.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm9712.h
@@ -0,0 +1,14 @@
+/*
+ * wm9712.h -- WM9712 Soc Audio driver
+ */
+
+#ifndef _WM9712_H
+#define _WM9712_H
+
+#define WM9712_DAI_AC97_HIFI 0
+#define WM9712_DAI_AC97_AUX 1
+
+extern struct snd_soc_codec_dai wm9712_dai[2];
+extern struct snd_soc_codec_device soc_codec_dev_wm9712;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm9713.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm9713.c
@@ -0,0 +1,1313 @@
+/*
+ * wm9713.c -- ALSA Soc WM9713 codec support
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 4th Feb 2006 Initial version.
+ *
+ * Features:-
+ *
+ * o Support for AC97 Codec, Voice DAC and Aux DAC
+ * o Support for DAPM
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#define WM9713_VERSION "0.12"
+
+struct wm9713 {
+ u32 pll; /* current PLL frequency */
+ u32 pll_resume; /* PLL resume frequency */
+};
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg);
+static int ac97_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val);
+
+#define AC97_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define AC97_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+/* may need to expand this */
+static struct snd_soc_dai_mode ac97_modes[] = {
+ {
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE,
+ .pcmrate = AC97_RATES,
+ },
+};
+
+#define WM9713_VOICE_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | \
+ SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_DSP_A | \
+ SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF)
+
+#define WM9713_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM9713_VOICE_FSB \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
+ SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
+
+#define WM9713_VOICE_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 | \
+ SNDRV_PCM_RATE_96000)
+
+#define WM9713_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+/*
+ * Voice modes
+ */
+static struct snd_soc_dai_mode wm9713_voice_modes[] = {
+ /* master modes */
+ {
+ .fmt = WM9713_VOICE_DAIFMT | SND_SOC_DAIFMT_CBM_CFM | \
+ SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = WM9713_HIFI_BITS,
+ .pcmrate = WM9713_VOICE_RATES,
+ .pcmdir = WM9713_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = WM9713_VOICE_FSB,
+ },
+
+ /* slave modes */
+ {
+ .fmt = WM9713_VOICE_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM9713_HIFI_BITS,
+ .pcmrate = WM9713_VOICE_RATES,
+ .pcmdir = WM9713_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * WM9713 register cache
+ * Reg 0x3c bit 15 is used by touch driver.
+ */
+static const u16 wm9713_reg[] = {
+ 0x6174, 0x8080, 0x8080, 0x8080, // 6
+ 0xc880, 0xe808, 0xe808, 0x0808, // e
+ 0x00da, 0x8000, 0xd600, 0xaaa0, // 16
+ 0xaaa0, 0xaaa0, 0x0000, 0x0000, // 1e
+ 0x0f0f, 0x0040, 0x0000, 0x7f00, // 26
+ 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
+ 0x0000, 0xbb80, 0x0000, 0x4523, // 36
+ 0x0000, 0x2000, 0x7eff, 0xffff, // 3e
+ 0x0000, 0x0000, 0x0080, 0x0000, // 46
+ 0x0000, 0x0000, 0xfffe, 0xffff, // 4e
+ 0x0000, 0x0000, 0x0000, 0xfffe, // 56
+ 0x4000, 0x0000, 0x0000, 0x0000, // 5e
+ 0xb032, 0x3e00, 0x0000, 0x0000, // 66
+ 0x0000, 0x0000, 0x0000, 0x0000, // 6e
+ 0x0000, 0x0000, 0x0000, 0x0006, // 76
+ 0x0001, 0x0000, 0x574d, 0x4c13, // 7e
+ 0x0000, 0x0000, 0x0000 // virtual hp & mic mixers
+};
+
+/* virtual HP mixers regs */
+#define HPL_MIXER 0x80
+#define HPR_MIXER 0x82
+#define MICB_MUX 0x82
+
+static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
+static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
+static const char *wm9713_rec_src[] =
+ {"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
+ "Mono Out", "Zh"};
+static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
+static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
+static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
+ "Mono Vmid", "Inv Vmid"};
+static const char *wm9713_spk_pga[] =
+ {"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
+ "Speaker Vmid", "Inv Vmid"};
+static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
+ "Headphone Vmid"};
+static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
+static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
+static const char *wm9713_dac_inv[] =
+ {"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
+ "Headphone Mono", "NC", "Vmid"};
+static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
+static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
+static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
+static const char *wm9713_micb_select[] = {"MPB", "MPA"};
+
+static const struct soc_enum wm9713_enum[] = {
+SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux), /* record mux mono 2 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src), /* record mux left 3 */
+SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src), /* record mux right 4*/
+SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
+SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
+SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
+SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
+SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
+SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
+};
+
+static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
+SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
+SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
+SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
+SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE,15, 7, 1, 1),
+SOC_DOUBLE("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1),
+SOC_DOUBLE("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1),
+SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
+SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
+
+SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
+SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
+
+SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
+SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
+SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 63, 0),
+SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
+
+SOC_SINGLE("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1),
+SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
+SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
+
+SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
+SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
+SOC_SINGLE("ALC Decay Time ", AC97_CODEC_CLASS_REV, 4, 15, 0),
+SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
+SOC_ENUM("ALC Function", wm9713_enum[6]),
+SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
+SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
+SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
+SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
+SOC_ENUM("ALC NG Type", wm9713_enum[17]),
+SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
+
+SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
+SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
+
+SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
+SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
+SOC_SINGLE("Out4 Playback Volume", AC97_MASTER_MONO, 8, 63, 1),
+
+SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
+SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
+SOC_SINGLE("Out3 Playback Volume", AC97_MASTER_MONO, 0, 63, 1),
+
+SOC_SINGLE("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1),
+SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
+SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
+SOC_SINGLE("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1),
+
+SOC_SINGLE("PC Beep Playback Headphone Volume", AC97_AUX, 12, 7, 1),
+SOC_SINGLE("PC Beep Playback Speaker Volume", AC97_AUX, 8, 7, 1),
+SOC_SINGLE("PC Beep Playback Mono Volume", AC97_AUX, 4, 7, 1),
+
+SOC_SINGLE("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1),
+SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
+SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
+
+SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
+SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
+SOC_SINGLE("Aux Playback Mono Volume", AC97_REC_SEL, 4, 7, 1),
+
+SOC_ENUM("Bass Control", wm9713_enum[16]),
+SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
+SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
+SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
+SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
+SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
+
+SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
+SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
+SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
+};
+
+/* add non dapm controls */
+static int wm9713_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm9713_snd_ac97_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm9713_snd_ac97_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/* We have to create a fake left and right HP mixers because
+ * the codec only has a single control that is shared by both channels.
+ * This makes it impossible to determine the audio path using the current
+ * register map, thus we add a new (virtual) register to help determine the
+ * audio route within the device.
+ */
+static int mixer_event (struct snd_soc_dapm_widget *w, int event)
+{
+ u16 l, r, beep, tone, phone, rec, pcm, aux;
+
+ l = ac97_read(w->codec, HPL_MIXER);
+ r = ac97_read(w->codec, HPR_MIXER);
+ beep = ac97_read(w->codec, AC97_PC_BEEP);
+ tone = ac97_read(w->codec, AC97_MASTER_TONE);
+ phone = ac97_read(w->codec, AC97_PHONE);
+ rec = ac97_read(w->codec, AC97_REC_SEL);
+ pcm = ac97_read(w->codec, AC97_PCM);
+ aux = ac97_read(w->codec, AC97_AUX);
+
+ if (event & SND_SOC_DAPM_PRE_REG)
+ return 0;
+ if (l & 0x1 || r & 0x1)
+ ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
+
+ if (l & 0x2 || r & 0x2)
+ ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
+
+ if (l & 0x4 || r & 0x4)
+ ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
+
+ if (l & 0x8 || r & 0x8)
+ ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
+
+ if (l & 0x10 || r & 0x10)
+ ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
+
+ if (l & 0x20 || r & 0x20)
+ ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
+ else
+ ac97_write(w->codec, AC97_AUX, aux | 0x8000);
+
+ return 0;
+}
+
+/* Left Headphone Mixers */
+static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", HPL_MIXER, 5, 1, 0),
+SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
+SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
+};
+
+/* Right Headphone Mixers */
+static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", HPR_MIXER, 5, 1, 0),
+SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
+SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
+};
+
+/* headphone capture mux */
+static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[1]);
+
+/* headphone mic mux */
+static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[0]);
+
+/* Speaker Mixer */
+static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 11, 1, 1),
+SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
+SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
+SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
+SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
+};
+
+/* Mono Mixer */
+static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 7, 1, 1),
+SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
+SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
+SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
+SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
+SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
+SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
+SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
+};
+
+/* mono mic mux */
+static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[2]);
+
+/* mono output mux */
+static const struct snd_kcontrol_new wm9713_mono_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[7]);
+
+/* speaker left output mux */
+static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[8]);
+
+/* speaker right output mux */
+static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[9]);
+
+/* headphone left output mux */
+static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[10]);
+
+/* headphone right output mux */
+static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[11]);
+
+/* Out3 mux */
+static const struct snd_kcontrol_new wm9713_out3_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[12]);
+
+/* Out4 mux */
+static const struct snd_kcontrol_new wm9713_out4_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[13]);
+
+/* DAC inv mux 1 */
+static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[14]);
+
+/* DAC inv mux 2 */
+static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[15]);
+
+/* Capture source left */
+static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[3]);
+
+/* Capture source right */
+static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[4]);
+
+/* mic source */
+static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[18]);
+
+/* mic source B virtual control */
+static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
+SOC_DAPM_ENUM("Route", wm9713_enum[19]);
+
+static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
+SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_hp_rec_mux_controls),
+SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_hp_mic_mux_controls),
+SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_mono_mic_mux_controls),
+SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_mono_mux_controls),
+SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_hp_spkl_mux_controls),
+SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_hp_spkr_mux_controls),
+SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_hpl_out_mux_controls),
+SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_hpr_out_mux_controls),
+SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_out3_mux_controls),
+SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
+ &wm9713_out4_mux_controls),
+SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
+ &wm9713_dac_inv1_mux_controls),
+SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
+ &wm9713_dac_inv2_mux_controls),
+SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
+ &wm9713_rec_srcl_mux_controls),
+SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
+ &wm9713_rec_srcr_mux_controls),
+SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
+ &wm9713_mic_sel_mux_controls ),
+SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
+ &wm9713_micb_sel_mux_controls ),
+SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
+ &wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
+ mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
+ &wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
+ mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
+ &wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
+SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
+ &wm9713_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm9713_speaker_mixer_controls)),
+SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
+SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
+SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1),
+SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
+SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_EXTENDED_MID, 5, 1),
+SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_EXTENDED_MID, 4, 1),
+SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
+SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
+SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
+SND_SOC_DAPM_OUTPUT("MONO"),
+SND_SOC_DAPM_OUTPUT("HPL"),
+SND_SOC_DAPM_OUTPUT("HPR"),
+SND_SOC_DAPM_OUTPUT("SPKL"),
+SND_SOC_DAPM_OUTPUT("SPKR"),
+SND_SOC_DAPM_OUTPUT("OUT3"),
+SND_SOC_DAPM_OUTPUT("OUT4"),
+SND_SOC_DAPM_INPUT("LINEL"),
+SND_SOC_DAPM_INPUT("LINER"),
+SND_SOC_DAPM_INPUT("MONOIN"),
+SND_SOC_DAPM_INPUT("PCBEEP"),
+SND_SOC_DAPM_INPUT("MIC1"),
+SND_SOC_DAPM_INPUT("MIC2A"),
+SND_SOC_DAPM_INPUT("MIC2B"),
+SND_SOC_DAPM_VMID("VMID"),
+};
+
+static const char *audio_map[][3] = {
+ /* left HP mixer */
+ {"Left HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
+ {"Left HP Mixer", "Voice Playback Switch", "Voice DAC"},
+ {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Left HP Mixer", "Bypass Playback Switch", "Left Line In"},
+ {"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
+ {"Left HP Mixer", "MonoIn Playback Switch", "Mono In"},
+ {"Left HP Mixer", NULL, "Capture Headphone Mux"},
+
+ /* right HP mixer */
+ {"Right HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
+ {"Right HP Mixer", "Voice Playback Switch", "Voice DAC"},
+ {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Right HP Mixer", "Bypass Playback Switch", "Right Line In"},
+ {"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
+ {"Right HP Mixer", "MonoIn Playback Switch", "Mono In"},
+ {"Right HP Mixer", NULL, "Capture Headphone Mux"},
+
+ /* virtual mixer - mixes left & right channels for spk and mono */
+ {"AC97 Mixer", NULL, "Left DAC"},
+ {"AC97 Mixer", NULL, "Right DAC"},
+ {"Line Mixer", NULL, "Right Line In"},
+ {"Line Mixer", NULL, "Left Line In"},
+ {"HP Mixer", NULL, "Left HP Mixer"},
+ {"HP Mixer", NULL, "Right HP Mixer"},
+ {"Capture Mixer", NULL, "Left Capture Source"},
+ {"Capture Mixer", NULL, "Right Capture Source"},
+
+ /* speaker mixer */
+ {"Speaker Mixer", "PC Beep Playback Switch", "PCBEEP"},
+ {"Speaker Mixer", "Voice Playback Switch", "Voice DAC"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Speaker Mixer", "Bypass Playback Switch", "Line Mixer"},
+ {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
+ {"Speaker Mixer", "MonoIn Playback Switch", "Mono In"},
+
+ /* mono mixer */
+ {"Mono Mixer", "PC Beep Playback Switch", "PCBEEP"},
+ {"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
+ {"Mono Mixer", "Aux Playback Switch", "Aux DAC"},
+ {"Mono Mixer", "Bypass Playback Switch", "Line Mixer"},
+ {"Mono Mixer", "PCM Playback Switch", "AC97 Mixer"},
+ {"Mono Mixer", NULL, "Capture Mono Mux"},
+
+ /* DAC inv mux 1 */
+ {"DAC Inv Mux 1", "Mono", "Mono Mixer"},
+ {"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
+ {"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
+ {"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
+ {"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
+
+ /* DAC inv mux 2 */
+ {"DAC Inv Mux 2", "Mono", "Mono Mixer"},
+ {"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
+ {"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
+ {"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
+ {"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
+
+ /* headphone left mux */
+ {"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
+
+ /* headphone right mux */
+ {"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
+
+ /* speaker left mux */
+ {"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
+ {"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
+ {"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
+
+ /* speaker right mux */
+ {"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
+ {"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
+ {"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
+
+ /* mono mux */
+ {"Mono Out Mux", "Mono", "Mono Mixer"},
+ {"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
+
+ /* out 3 mux */
+ {"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
+
+ /* out 4 mux */
+ {"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
+
+ /* output pga */
+ {"HPL", NULL, "Left Headphone"},
+ {"Left Headphone", NULL, "Left Headphone Out Mux"},
+ {"HPR", NULL, "Right Headphone"},
+ {"Right Headphone", NULL, "Right Headphone Out Mux"},
+ {"OUT3", NULL, "Out 3"},
+ {"Out 3", NULL, "Out 3 Mux"},
+ {"OUT4", NULL, "Out 4"},
+ {"Out 4", NULL, "Out 4 Mux"},
+ {"SPKL", NULL, "Left Speaker"},
+ {"Left Speaker", NULL, "Left Speaker Out Mux"},
+ {"SPKR", NULL, "Right Speaker"},
+ {"Right Speaker", NULL, "Right Speaker Out Mux"},
+ {"MONO", NULL, "Mono Out"},
+ {"Mono Out", NULL, "Mono Out Mux"},
+
+ /* input pga */
+ {"Left Line In", NULL, "LINEL"},
+ {"Right Line In", NULL, "LINER"},
+ {"Mono In", NULL, "MONOIN"},
+ {"Mic A PGA", NULL, "Mic A Pre Amp"},
+ {"Mic B PGA", NULL, "Mic B Pre Amp"},
+
+ /* left capture select */
+ {"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
+ {"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
+ {"Left Capture Source", "Line", "LINEL"},
+ {"Left Capture Source", "Mono In", "MONOIN"},
+ {"Left Capture Source", "Headphone", "Left HP Mixer"},
+ {"Left Capture Source", "Speaker", "Speaker Mixer"},
+ {"Left Capture Source", "Mono Out", "Mono Mixer"},
+
+ /* right capture select */
+ {"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
+ {"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
+ {"Right Capture Source", "Line", "LINER"},
+ {"Right Capture Source", "Mono In", "MONOIN"},
+ {"Right Capture Source", "Headphone", "Right HP Mixer"},
+ {"Right Capture Source", "Speaker", "Speaker Mixer"},
+ {"Right Capture Source", "Mono Out", "Mono Mixer"},
+
+ /* left ADC */
+ {"Left ADC", NULL, "Left Capture Source"},
+
+ /* right ADC */
+ {"Right ADC", NULL, "Right Capture Source"},
+
+ /* mic */
+ {"Mic A Pre Amp", NULL, "Mic A Source"},
+ {"Mic A Source", "Mic 1", "MIC1"},
+ {"Mic A Source", "Mic 2 A", "MIC2A"},
+ {"Mic A Source", "Mic 2 B", "Mic B Source"},
+ {"Mic B Pre Amp", "MPB", "Mic B Source"},
+ {"Mic B Source", NULL, "MIC2B"},
+
+ /* headphone capture */
+ {"Capture Headphone Mux", "Stereo", "Capture Mixer"},
+ {"Capture Headphone Mux", "Left", "Left Capture Source"},
+ {"Capture Headphone Mux", "Right", "Right Capture Source"},
+
+ /* mono capture */
+ {"Capture Mono Mux", "Stereo", "Capture Mixer"},
+ {"Capture Mono Mux", "Left", "Left Capture Source"},
+ {"Capture Mono Mux", "Right", "Right Capture Source"},
+
+ {NULL, NULL, NULL},
+};
+
+static int wm9713_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm9713_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm9713_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+static unsigned int ac97_read(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+
+ if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
+ reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
+ reg == AC97_CD)
+ return soc_ac97_ops.read(codec->ac97, reg);
+ else {
+ reg = reg >> 1;
+
+ if (reg > (ARRAY_SIZE(wm9713_reg)))
+ return -EIO;
+
+ return cache[reg];
+ }
+}
+
+static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int val)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg < 0x7c)
+ soc_ac97_ops.write(codec->ac97, reg, val);
+ reg = reg >> 1;
+ if (reg <= (ARRAY_SIZE(wm9713_reg)))
+ cache[reg] = val;
+
+ return 0;
+}
+
+struct pll_ {
+ unsigned int in_hz;
+ unsigned int lf:1; /* allows low frequency use */
+ unsigned int sdm:1; /* allows fraction n div */
+ unsigned int divsel:1; /* enables input clock div */
+ unsigned int divctl:1; /* input clock divider */
+ unsigned int n:4;
+ unsigned int k;
+};
+
+struct pll_ pll[] = {
+ {13000000, 0, 1, 0, 0, 7, 0x23f488},
+ {2048000, 1, 0, 0, 0, 12, 0x0},
+ {4096000, 1, 0, 0, 0, 6, 0x0},
+ {12288000, 0, 0, 0, 0, 8, 0x0},
+ /* liam - add more entries */
+};
+
+/* we must have either 24.576MHz or a PLL freq */
+static unsigned int wm9713_config_ac97sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ int i;
+ dai->mclk = 0;
+
+ /* first check if we can get away witout burning any PLL power */
+ if (24576000 == clk) {
+ /* standard AC97 clock */
+ dai->mclk = clk;
+ goto out;
+ }
+
+ /* ok no standard clock, so we must now try the PLL */
+ for(i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (clk == pll[i].in_hz) {
+ dai->mclk = clk; /* clock out */
+ goto out;
+ }
+ }
+
+out:
+ return dai->mclk;
+}
+
+/* The WM9713 voice DAC can only run at 256FS. This interface and DAC are
+ * clocked by the main AC97 clock divided down to 256 FS.
+ */
+static unsigned int wm9713_config_vsysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+
+ int i, j, best_clk = info->fs * info->rate;
+
+ /* can we run at this clk without the PLL ? */
+ for (i = 1; i <= 16; i++) {
+ if (best_clk * i == clk) {
+ dai->pll_in = 0;
+ dai->clk_div = i << 1;
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+
+ /* now check for PLL support */
+ for (i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (pll[i].in_hz == clk) {
+ for (j = 1; j <= 16; j++) {
+ if (24576000 == j * best_clk) {
+ dai->pll_in = clk;
+ dai->pll_out = 24576000;
+ dai->clk_div = j << 1;
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+}
+
+u32 wm9713_set_pll(struct snd_soc_codec *codec, u32 in)
+{
+ struct wm9713 *wm = (struct wm9713*)codec->private_data;
+ int i;
+ u16 reg, reg2;
+
+ /* turn PLL off ? */
+ if (in == 0) {
+ /* disable PLL power and select ext source */
+ reg = ac97_read(codec, AC97_HANDSET_RATE);
+ ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
+ reg = ac97_read(codec, AC97_EXTENDED_MID);
+ ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
+ wm->pll = 0;
+ return 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (pll[i].in_hz == in)
+ goto found;
+ }
+ return -EINVAL;
+
+found:
+ if (pll[i].sdm == 0) {
+ reg = (pll[i].n << 12) | (pll[i].lf << 11) |
+ (pll[i].divsel << 9) | (pll[i].divctl << 8);
+ ac97_write(codec, AC97_LINE1_LEVEL, reg);
+ } else {
+ /* write the fractional k to the reg 0x46 pages */
+ reg2 = (pll[i].n << 12) | (pll[i].lf << 11) | (pll[i].sdm << 10) |
+ (pll[i].divsel << 9) | (pll[i].divctl << 8);
+
+ reg = reg2 | (0x5 << 4) | (pll[i].k >> 20); /* K [21:20] */
+ ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+ reg = reg2 | (0x4 << 4) | ((pll[i].k >> 16) & 0xf); /* K [19:16] */
+ ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+ reg = reg2 | (0x3 << 4) | ((pll[i].k >> 12) & 0xf); /* K [15:12] */
+ ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+ reg = reg2 | (0x2 << 4) | ((pll[i].k >> 8) & 0xf); /* K [11:8] */
+ ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+ reg = reg2 | (0x1 << 4) | ((pll[i].k >> 4) & 0xf); /* K [7:4] */
+ ac97_write(codec, AC97_LINE1_LEVEL, reg);
+
+ reg = reg2 | (0x0 << 4) | (pll[i].k & 0xf); /* K [3:0] */
+ ac97_write(codec, AC97_LINE1_LEVEL, reg);
+ }
+
+ /* turn PLL on and select as source */
+ reg = ac97_read(codec, AC97_EXTENDED_MID);
+ ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
+ reg = ac97_read(codec, AC97_HANDSET_RATE);
+ ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
+ /* wait 10ms AC97 link frames for the link to stabilise */
+ schedule_timeout_interruptible(msecs_to_jiffies(10));
+ wm->pll = in;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm9713_set_pll);
+
+static int wm9713_voice_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 reg = 0x8000, bfs, div, gpio;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffe2;
+
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK){
+ case SND_SOC_DAIFMT_CBM_CFM:
+ reg |= 0x4000;
+ gpio |= 0x0008;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ reg |= 0x6000;
+ gpio |= 0x000c;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ reg |= 0x0200;
+ gpio |= 0x000d;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ gpio |= 0x0009;
+ break;
+ }
+ ac97_write(codec, AC97_GPIO_CFG, gpio);
+
+ /* enable PLL if needed */
+ if (rtd->codec_dai->pll_in)
+ wm9713_set_pll(codec, rtd->codec_dai->pll_in);
+
+ /* set the PCM divider */
+ div = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
+ ac97_write(codec, AC97_HANDSET_RATE, div |
+ ((rtd->codec_dai->clk_div >> 1) -1) << 8);
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ reg |= 0x00c0;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ reg |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ reg |= 0x0040;
+ break;
+ }
+
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ reg |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ reg |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ reg |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ reg |= 0x0043;
+ break;
+ }
+
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ reg |= 0x0004;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ reg |= 0x0008;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ reg |= 0x000c;
+ break;
+ }
+
+ switch (bfs) {
+ case 2:
+ reg |= (0x1 << 9);
+ break;
+ case 4:
+ reg |= (0x2 << 9);
+ break;
+ case 8:
+ reg |= (0x3 << 9);
+ break;
+ case 16:
+ reg |= (0x4 << 9);
+ break;
+ }
+
+ /* enable PCM interface in master mode */
+ ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
+ return 0;
+}
+
+static void wm9713_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (!codec->active)
+ wm9713_set_pll(codec, 0);
+}
+
+static void wm9713_voiceshutdown(snd_pcm_substream_t *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 status;
+
+ wm9713_shutdown(substream);
+
+ /* Gracefully shut down the voice interface. */
+ status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;
+ ac97_write(codec,AC97_HANDSET_RATE,0x0280);
+ schedule_timeout_interruptible(msecs_to_jiffies(1));
+ ac97_write(codec,AC97_HANDSET_RATE,0x0F80);
+ ac97_write(codec,AC97_EXTENDED_MID,status);
+}
+
+static int ac97_hifi_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int reg;
+ u16 vra;
+
+ /* we need a 24576000Hz clock to run at the correct speed */
+ if (rtd->codec_dai->mclk != 24576000)
+ wm9713_set_pll(codec, rtd->codec_dai->mclk);
+
+ vra = ac97_read(codec, AC97_EXTENDED_STATUS);
+ ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ reg = AC97_PCM_FRONT_DAC_RATE;
+ else
+ reg = AC97_PCM_LR_ADC_RATE;
+
+ return ac97_write(codec, reg, runtime->rate);
+}
+
+static int ac97_aux_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 vra, xsle;
+
+ /* we need a 24576000Hz clock to run at the correct speed */
+ if (rtd->codec_dai->mclk != 24576000)
+ wm9713_set_pll(codec, rtd->codec_dai->mclk);
+
+ vra = ac97_read(codec, AC97_EXTENDED_STATUS);
+ ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
+ xsle = ac97_read(codec, AC97_PCI_SID);
+ ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
+
+ if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
+ return -ENODEV;
+
+ return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
+}
+
+struct snd_soc_codec_dai wm9713_dai[] = {
+{
+ .name = "AC97 HiFi",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .config_sysclk = wm9713_config_ac97sysclk,
+ .ops = {
+ .shutdown = wm9713_shutdown,
+ .prepare = ac97_hifi_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(ac97_modes),
+ .mode = ac97_modes,},},
+ {
+ .name = "AC97 Aux",
+ .playback = {
+ .stream_name = "Aux Playback",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .config_sysclk = wm9713_config_ac97sysclk,
+ .ops = {
+ .shutdown = wm9713_shutdown,
+ .prepare = ac97_aux_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(ac97_modes),
+ .mode = ac97_modes,}
+ },
+ {
+ .name = "WM9713 Voice",
+ .playback = {
+ .stream_name = "Voice Playback",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .capture = {
+ .stream_name = "Voice Capture",
+ .channels_min = 1,
+ .channels_max = 2,},
+ .config_sysclk = wm9713_config_vsysclk,
+ .ops = {
+ .prepare = wm9713_voice_prepare,
+ .shutdown = wm9713_voiceshutdown,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm9713_voice_modes),
+ .mode = wm9713_voice_modes,},
+ },
+};
+EXPORT_SYMBOL_GPL(wm9713_dai);
+
+int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
+{
+ if (try_warm && soc_ac97_ops.warm_reset) {
+ soc_ac97_ops.warm_reset(codec->ac97);
+ if (!(ac97_read(codec, 0) & 0x8000))
+ return 1;
+ }
+
+ soc_ac97_ops.reset(codec->ac97);
+ if (ac97_read(codec, 0) & 0x8000)
+ return -EIO;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm9713_reset);
+
+static int wm9713_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 reg;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* enable thermal shutdown */
+ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
+ ac97_write(codec, AC97_EXTENDED_MID, reg);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* enable master bias and vmid */
+ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
+ ac97_write(codec, AC97_EXTENDED_MID, reg);
+ ac97_write(codec, AC97_POWERDOWN, 0x0000);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* disable everything including AC link */
+ ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
+ ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
+ ac97_write(codec, AC97_POWERDOWN, 0xffff);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+static int wm9713_soc_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm9713 *wm = (struct wm9713*)codec->private_data;
+
+ if (wm->pll) {
+ wm->pll_resume = wm->pll;
+ wm9713_set_pll(codec, 0);
+ }
+ wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm9713_soc_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ struct wm9713 *wm = (struct wm9713*)codec->private_data;
+ int i, ret;
+ u16 *cache = codec->reg_cache;
+
+ if ((ret = wm9713_reset(codec, 1)) < 0){
+ printk(KERN_ERR "could not reset AC97 codec\n");
+ return ret;
+ }
+
+ wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* only synchronise the codec if warm reset failed */
+ if (ret == 0) {
+ for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i+=2) {
+ if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
+ i == AC97_EXTENDED_MSTATUS || i > 0x66)
+ continue;
+ soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
+ }
+ }
+
+ if (wm->pll_resume) {
+ wm9713_set_pll(codec, wm->pll_resume);
+ wm->pll_resume = 0;
+ }
+
+ if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
+ wm9713_dapm_event(codec, SNDRV_CTL_POWER_D0);
+
+ return ret;
+}
+
+static int wm9713_soc_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec;
+ int ret = 0, reg;
+
+ printk(KERN_INFO "WM9713/WM9714 SoC Audio Codec %s\n", WM9713_VERSION);
+
+ socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (socdev->codec == NULL)
+ return -ENOMEM;
+ codec = socdev->codec;
+ mutex_init(&codec->mutex);
+
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm9713_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL){
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return -ENOMEM;
+ }
+ memcpy(codec->reg_cache, wm9713_reg,
+ sizeof(u16) * ARRAY_SIZE(wm9713_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9713_reg);
+ codec->reg_cache_step = 2;
+
+ codec->private_data = kzalloc(sizeof(struct wm9713), GFP_KERNEL);
+ if (codec->private_data == NULL) {
+ kfree(codec->reg_cache);
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return -ENOMEM;
+ }
+
+ codec->name = "WM9713";
+ codec->owner = THIS_MODULE;
+ codec->dai = wm9713_dai;
+ codec->num_dai = ARRAY_SIZE(wm9713_dai);
+ codec->write = ac97_write;
+ codec->read = ac97_read;
+ codec->dapm_event = wm9713_dapm_event;
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
+ if (ret < 0)
+ goto err;
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0)
+ goto pcm_err;
+
+ /* do a cold reset for the controller and then try
+ * a warm reset followed by an optional cold reset for codec */
+ wm9713_reset(codec, 0);
+ ret = wm9713_reset(codec, 1);
+ if (ret < 0) {
+ printk(KERN_ERR "AC97 link error\n");
+ goto reset_err;
+ }
+
+ wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* unmute the adc - move to kcontrol */
+ reg = ac97_read(codec, AC97_CD) & 0x7fff;
+ ac97_write(codec, AC97_CD, reg);
+
+ wm9713_add_controls(codec);
+ wm9713_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0)
+ goto reset_err;
+ return 0;
+
+reset_err:
+ snd_soc_free_pcms(socdev);
+
+pcm_err:
+ snd_soc_free_ac97_codec(codec);
+
+err:
+ kfree(socdev->codec->private_data);
+ kfree(socdev->codec->reg_cache);
+ kfree(socdev->codec);
+ socdev->codec = NULL;
+ return ret;
+}
+
+static int wm9713_soc_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec == NULL)
+ return 0;
+
+ snd_soc_dapm_free(socdev);
+ snd_soc_free_pcms(socdev);
+ snd_soc_free_ac97_codec(codec);
+ kfree(codec->private_data);
+ kfree(codec->reg_cache);
+ kfree(codec);
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm9713= {
+ .probe = wm9713_soc_probe,
+ .remove = wm9713_soc_remove,
+ .suspend = wm9713_soc_suspend,
+ .resume = wm9713_soc_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm9713);
+
+MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm9713.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm9713.h
@@ -0,0 +1,18 @@
+/*
+ * wm9713.h -- WM9713 Soc Audio driver
+ */
+
+#ifndef _WM9713_H
+#define _WM9713_H
+
+#define WM9713_DAI_AC97_HIFI 0
+#define WM9713_DAI_AC97_AUX 1
+#define WM9713_DAI_PCM_VOICE 2
+
+extern struct snd_soc_codec_device soc_codec_dev_wm9713;
+extern struct snd_soc_codec_dai wm9713_dai[3];
+
+u32 wm9713_set_pll(struct snd_soc_codec *codec, u32 in);
+int wm9713_reset(struct snd_soc_codec *codec, int try_warm);
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/pxa/Kconfig
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/Kconfig
@@ -0,0 +1,125 @@
+menu "SoC Audio for the Intel PXA2xx"
+
+config SND_PXA2xx_SOC
+ tristate "SoC Audio for the Intel PXA2xx chip"
+ depends on ARCH_PXA && SND
+ select SND_PCM
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the PXA2xx AC97, I2S or SSP interface. You will also need
+ to select the audio interfaces to support below.
+
+config SND_PXA2xx_AC97
+ tristate
+ select SND_AC97_CODEC
+
+config SND_PXA2xx_SOC_AC97
+ tristate
+ select SND_AC97_BUS
+ select SND_SOC_AC97_BUS
+
+config SND_PXA2xx_SOC_I2S
+ tristate
+
+config SND_PXA2xx_SOC_SSP
+ tristate
+ select PXA_SSP
+
+config SND_PXA2xx_SOC_MAINSTONE
+ tristate "SoC AC97 Audio support for Intel Mainstone"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_AC97
+ help
+ Say Y if you want to add support for generic AC97 SoC audio on Mainstone.
+
+config SND_PXA2xx_SOC_MAINSTONE_WM8731
+ tristate "SoC I2S Audio support for Intel Mainstone - WM8731"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_SOC_I2S
+ help
+ Say Y if you want to add support for SoC audio on Mainstone
+ with the WM8731.
+
+config SND_PXA2xx_SOC_MAINSTONE_WM8753
+ tristate "SoC I2S/SSP Audio support for Intel Mainstone - WM8753"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_SOC_I2S
+ select SND_PXA2xx_SOC_SSP
+ help
+ Say Y if you want to add support for SoC audio on Mainstone
+ with the WM8753.
+
+config SND_PXA2xx_SOC_MAINSTONE_WM8974
+ tristate "SoC I2S Audio support for Intel Mainstone - WM8974"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_SOC_I2S
+ help
+ Say Y if you want to add support for SoC audio on Mainstone
+ with the WM8974.
+
+config SND_PXA2xx_SOC_MAINSTONE_WM9713
+ tristate "SoC I2S/SSP Audio support for Intel Mainstone - WM9713"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_SOC_AC97
+ select SND_PXA2xx_SOC_SSP
+ help
+ Say Y if you want to add support for SoC voice audio on Mainstone
+ with the WM9713.
+
+config SND_MAINSTONE_BASEBAND
+ tristate "Example SoC Baseband Audio support for Intel Mainstone"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_SOC_AC97
+ help
+ Say Y if you want to add support for SoC baseband on Mainstone
+ with the WM9713 and example Baseband modem.
+
+config SND_MAINSTONE_BLUETOOTH
+ tristate "Example SoC Bluetooth Audio support for Intel Mainstone"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_SOC_I2S
+ help
+ Say Y if you want to add support for SoC bluetooth on Mainstone
+ with the WM8753 and example Bluetooth codec.
+
+config SND_PXA2xx_SOC_MAINSTONE_WM9712
+ tristate "SoC I2S/SSP Audio support for Intel Mainstone - WM9712"
+ depends on SND_PXA2xx_SOC && MACH_MAINSTONE
+ select SND_PXA2xx_SOC_AC97
+ help
+ Say Y if you want to add support for SoC voice audio on Mainstone
+ with the WM9712.
+
+config SND_PXA2xx_SOC_CORGI
+ tristate "SoC Audio support for Sharp Zaurus SL-C7x0"
+ depends on SND_PXA2xx_SOC && PXA_SHARP_C7xx
+ select SND_PXA2xx_SOC_I2S
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-C7x0 models (Corgi, Shepherd, Husky).
+
+config SND_PXA2xx_SOC_SPITZ
+ tristate "SoC Audio support for Sharp Zaurus SL-Cxx00"
+ depends on SND_PXA2xx_SOC && PXA_SHARP_Cxx00
+ select SND_PXA2xx_SOC_I2S
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-Cxx00 models (Spitz, Borzoi and Akita).
+
+config SND_PXA2xx_SOC_POODLE
+ tristate "SoC Audio support for Poodle"
+ depends on SND_PXA2xx_SOC && MACH_POODLE
+ select SND_PXA2xx_SOC_I2S
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-5600 model (Poodle).
+
+config SND_PXA2xx_SOC_TOSA
+ tristate "SoC AC97 Audio support for Tosa"
+ depends on SND_PXA2xx_SOC && MACH_TOSA
+ select SND_PXA2xx_SOC_AC97
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-C6000x models (Tosa).
+
+endmenu
Index: linux-2.6-pxa-new/sound/soc/pxa/Makefile
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/Makefile
@@ -0,0 +1,36 @@
+# PXA Platform Support
+snd-soc-pxa2xx-objs := pxa2xx-pcm.o
+snd-soc-pxa2xx-ac97-objs := pxa2xx-ac97.o
+snd-soc-pxa2xx-i2s-objs := pxa2xx-i2s.o
+snd-soc-pxa2xx-ssp-objs := pxa2xx-ssp.o
+
+obj-$(CONFIG_SND_PXA2xx_SOC) += snd-soc-pxa2xx.o
+obj-$(CONFIG_SND_PXA2xx_SOC_AC97) += snd-soc-pxa2xx-ac97.o
+obj-$(CONFIG_SND_PXA2xx_SOC_I2S) += snd-soc-pxa2xx-i2s.o
+obj-$(CONFIG_SND_PXA2xx_SOC_SSP) += snd-soc-pxa2xx-ssp.o
+
+# PXA Machine Support
+snd-soc-corgi-objs := corgi.o
+snd-soc-mainstone-wm8731-objs := mainstone_wm8731.o
+snd-soc-mainstone-wm8753-objs := mainstone_wm8753.o
+snd-soc-mainstone-wm8974-objs := mainstone_wm8974.o
+snd-soc-mainstone-wm9713-objs := mainstone_wm9713.o
+snd-soc-mainstone-wm9712-objs := mainstone_wm9712.o
+snd-soc-mainstone-baseband-objs := mainstone_baseband.o
+snd-soc-mainstone-bluetooth-objs := mainstone_bluetooth.o
+snd-soc-poodle-objs := poodle.o
+snd-soc-tosa-objs := tosa.o
+snd-soc-spitz-objs := spitz.o
+
+obj-$(CONFIG_SND_PXA2xx_SOC_CORGI) += snd-soc-corgi.o
+obj-$(CONFIG_SND_PXA2xx_SOC_MAINSTONE_WM8731) += snd-soc-mainstone-wm8731.o
+obj-$(CONFIG_SND_PXA2xx_SOC_MAINSTONE_WM8753) += snd-soc-mainstone-wm8753.o
+obj-$(CONFIG_SND_PXA2xx_SOC_MAINSTONE_WM8974) += snd-soc-mainstone-wm8974.o
+obj-$(CONFIG_SND_PXA2xx_SOC_MAINSTONE_WM9713) += snd-soc-mainstone-wm9713.o
+obj-$(CONFIG_SND_PXA2xx_SOC_MAINSTONE_WM9712) += snd-soc-mainstone-wm9712.o
+obj-$(CONFIG_SND_MAINSTONE_BASEBAND) += snd-soc-mainstone-baseband.o
+obj-$(CONFIG_SND_MAINSTONE_BLUETOOTH) += snd-soc-mainstone-bluetooth.o
+obj-$(CONFIG_SND_PXA2xx_SOC_POODLE) += snd-soc-poodle.o
+obj-$(CONFIG_SND_PXA2xx_SOC_TOSA) += snd-soc-tosa.o
+obj-$(CONFIG_SND_PXA2xx_SOC_SPITZ) += snd-soc-spitz.o
+
Index: linux-2.6-pxa-new/sound/soc/pxa/corgi.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/corgi.c
@@ -0,0 +1,361 @@
+/*
+ * corgi.c -- SoC audio for Corgi
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 30th Nov 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/scoop.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/corgi.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm8731.h"
+#include "pxa2xx-pcm.h"
+
+#define CORGI_HP 0
+#define CORGI_MIC 1
+#define CORGI_LINE 2
+#define CORGI_HEADSET 3
+#define CORGI_HP_OFF 4
+#define CORGI_SPK_ON 0
+#define CORGI_SPK_OFF 1
+
+ /* audio clock in Hz - rounded from 12.235MHz */
+#define CORGI_AUDIO_CLOCK 12288000
+
+static int corgi_jack_func;
+static int corgi_spk_func;
+
+static void corgi_ext_control(struct snd_soc_codec *codec)
+{
+ int spk = 0, mic = 0, line = 0, hp = 0, hs = 0;
+
+ /* set up jack connection */
+ switch (corgi_jack_func) {
+ case CORGI_HP:
+ hp = 1;
+ /* set = unmute headphone */
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ case CORGI_MIC:
+ mic = 1;
+ /* reset = mute headphone */
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ case CORGI_LINE:
+ line = 1;
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ case CORGI_HEADSET:
+ hs = 1;
+ mic = 1;
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ }
+
+ if (corgi_spk_func == CORGI_SPK_ON)
+ spk = 1;
+
+ /* set the enpoints to their new connetion states */
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", spk);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", mic);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", line);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs);
+
+ /* signal a DAPM event */
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int corgi_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ corgi_ext_control(codec);
+ return 0;
+}
+
+/* we need to unmute the HP at shutdown as the mute burns power on corgi */
+static int corgi_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* set = unmute headphone */
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ return 0;
+}
+
+static struct snd_soc_ops corgi_ops = {
+ .startup = corgi_startup,
+ .shutdown = corgi_shutdown,
+};
+
+static int corgi_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = corgi_jack_func;
+ return 0;
+}
+
+static int corgi_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (corgi_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ corgi_jack_func = ucontrol->value.integer.value[0];
+ corgi_ext_control(codec);
+ return 1;
+}
+
+static int corgi_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = corgi_spk_func;
+ return 0;
+}
+
+static int corgi_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (corgi_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ corgi_spk_func = ucontrol->value.integer.value[0];
+ corgi_ext_control(codec);
+ return 1;
+}
+
+static int corgi_amp_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
+ else
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
+
+ return 0;
+}
+
+static int corgi_mic_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
+ else
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
+
+ return 0;
+}
+
+/* corgi machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_HP("Headphone Jack", NULL),
+SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
+SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
+SND_SOC_DAPM_LINE("Line Jack", NULL),
+SND_SOC_DAPM_HP("Headset Jack", NULL),
+};
+
+/* Corgi machine audio map (connections to the codec pins) */
+static const char *audio_map[][3] = {
+
+ /* headset Jack - in = micin, out = LHPOUT*/
+ {"Headset Jack", NULL, "LHPOUT"},
+
+ /* headphone connected to LHPOUT1, RHPOUT1 */
+ {"Headphone Jack", NULL, "LHPOUT"},
+ {"Headphone Jack", NULL, "RHPOUT"},
+
+ /* speaker connected to LOUT, ROUT */
+ {"Ext Spk", NULL, "ROUT"},
+ {"Ext Spk", NULL, "LOUT"},
+
+ /* mic is connected to MICIN (via right channel of headphone jack) */
+ {"MICIN", NULL, "Mic Jack"},
+
+ /* Same as the above but no mic bias for line signals */
+ {"MICIN", NULL, "Line Jack"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
+ "Off"};
+static const char *spk_function[] = {"On", "Off"};
+static const struct soc_enum corgi_enum[] = {
+ SOC_ENUM_SINGLE_EXT(5, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
+ SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
+ corgi_set_jack),
+ SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
+ corgi_set_spk),
+};
+
+/*
+ * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
+ */
+static int corgi_wm8731_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
+
+ /* Add corgi specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8731_corgi_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8731_corgi_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* Add corgi specific widgets */
+ for(i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
+ }
+
+ /* Set up corgi specific audio path audio_map */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+static unsigned int corgi_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ if (info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
+ /* pxa2xx is i2s master */
+ switch (info->rate) {
+ case 44100:
+ case 88200:
+ /* configure codec digital filters for 44.1, 88.2 */
+ rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ 11289600);
+ break;
+ default:
+ /* configure codec digital filters for all other rates */
+ rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ CORGI_AUDIO_CLOCK);
+ break;
+ }
+ /* config pxa i2s as master */
+ return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
+ CORGI_AUDIO_CLOCK);
+ } else {
+ /* codec is i2s master -
+ * only configure codec DAI clock and filters */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ CORGI_AUDIO_CLOCK);
+ }
+}
+
+/* corgi digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link corgi_dai = {
+ .name = "WM8731",
+ .stream_name = "WM8731",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8731_dai,
+ .init = corgi_wm8731_init,
+ .config_sysclk = corgi_config_sysclk,
+};
+
+/* corgi audio machine driver */
+static struct snd_soc_machine snd_soc_machine_corgi = {
+ .name = "Corgi",
+ .dai_link = &corgi_dai,
+ .num_links = 1,
+ .ops = &corgi_ops,
+};
+
+/* corgi audio private data */
+static struct wm8731_setup_data corgi_wm8731_setup = {
+ .i2c_address = 0x1b,
+};
+
+/* corgi audio subsystem */
+static struct snd_soc_device corgi_snd_devdata = {
+ .machine = &snd_soc_machine_corgi,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8731,
+ .codec_data = &corgi_wm8731_setup,
+};
+
+static struct platform_device *corgi_snd_device;
+
+static int __init corgi_init(void)
+{
+ int ret;
+
+ if (!(machine_is_corgi() || machine_is_shepherd() || machine_is_husky()))
+ return -ENODEV;
+
+ corgi_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!corgi_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(corgi_snd_device, &corgi_snd_devdata);
+ corgi_snd_devdata.dev = &corgi_snd_device->dev;
+ ret = platform_device_add(corgi_snd_device);
+
+ if (ret)
+ platform_device_put(corgi_snd_device);
+
+ return ret;
+}
+
+static void __exit corgi_exit(void)
+{
+ platform_device_unregister(corgi_snd_device);
+}
+
+module_init(corgi_init);
+module_exit(corgi_exit);
+
+/* Module information */
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Corgi");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone.c
@@ -0,0 +1,126 @@
+/*
+ * mainstone.c -- SoC audio for Mainstone
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Mainstone audio amplifier code taken from arch/arm/mach-pxa/mainstone.c
+ * Copyright: MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 30th Oct 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/ac97.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+static long mst_audio_suspend_mask;
+
+static int mainstone_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ mst_audio_suspend_mask = MST_MSCWR2;
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_resume(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_probe(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_remove(struct platform_device *pdev)
+{
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static struct snd_soc_machine_config codecs[] = {
+{
+ .name = "AC97",
+ .sname = "AC97 HiFi",
+ .iface = &pxa_ac97_interface[0],
+},
+{
+ .name = "AC97 Aux",
+ .sname = "AC97 Aux",
+ .iface = &pxa_ac97_interface[1],
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .probe = mainstone_probe,
+ .remove = mainstone_remove,
+ .suspend_pre = mainstone_suspend,
+ .resume_post = mainstone_resume,
+ .config = codecs,
+ .nconfigs = ARRAY_SIZE(codecs),
+};
+
+static struct snd_soc_device mainstone_snd_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_ac97,
+};
+
+static struct platform_device *mainstone_snd_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_device, &mainstone_snd_devdata);
+ mainstone_snd_devdata.dev = &mainstone_snd_device->dev;
+ ret = platform_device_add(mainstone_snd_device);
+
+ if (ret)
+ platform_device_put(mainstone_snd_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC Mainstone");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone_baseband.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone_baseband.c
@@ -0,0 +1,249 @@
+/*
+ * mainstone_baseband.c
+ * Mainstone Example Baseband modem -- ALSA Soc Audio Layer
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 15th Apr 2006 Initial version.
+ *
+ * This is example code to demonstrate connecting a baseband modem to the PCM
+ * DAI on the WM9713 codec on the Intel Mainstone platform. It is by no means
+ * complete as it requires code to control the modem.
+ *
+ * The architecture consists of the WM9713 AC97 DAI connected to the PXA27x
+ * AC97 controller and the WM9713 PCM DAI connected to the basebands DAI. The
+ * baseband is controlled via a serial port. Audio is routed between the PXA27x
+ * and the baseband via internal WM9713 analog paths.
+ *
+ * This driver is not the baseband modem driver. This driver only calls
+ * functions from the Baseband driver to set up it's PCM DAI.
+ *
+ * It's intended to use this driver as follows:-
+ *
+ * 1. open() WM9713 PCM audio device.
+ * 2. open() serial device (for AT commands).
+ * 3. configure PCM audio device (rate etc) - sets up WM9713 PCM DAI,
+ * this will also set up the baseband PCM DAI (via calling baseband driver).
+ * 4. send any further AT commands to set up baseband.
+ * 5. configure codec audio mixer paths.
+ * 6. open(), configure and read/write AC97 audio device - to Tx/Rx voice
+ *
+ * The PCM audio device is opened but IO is never performed on it as the IO is
+ * directly between the codec and the baseband (and not the CPU).
+ *
+ * TODO:
+ * o Implement callbacks
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/ssp.h>
+
+#include "../codecs/wm9713.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+
+#define BASEBAND_XXX_DAIFMT \
+ (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBS_CFS |\
+ SND_SOC_DAIFMT_NB_NF)
+
+#define BASEBAND_XXX_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+/*
+ * PCM modes - 8k 16bit mono baseband modem is master
+ */
+static struct snd_soc_dai_mode mainstone_example_modes[] = {
+ /* port master clk & frame modes */
+ {BASEBAND_XXX_DAIFMT, SND_SOC_DAITDM_LRDW(0,0), SNDRV_PCM_FORMAT_S16_LE,
+ SNDRV_PCM_RATE_8000, BASEBAND_XXX_DIR, SND_SOC_DAI_BFS_RATE, 256, 64},
+};
+
+/* Do specific baseband PCM voice startup here */
+static int mainstone_baseband_startup(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+/* Do specific baseband PCM voice shutdown here */
+static void mainstone_baseband_shutdown (struct snd_pcm_substream *substream)
+{
+}
+
+/* Do specific baseband modem PCM voice hw params init here */
+static int mainstone_baseband_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ return 0;
+}
+
+/* Do specific baseband modem PCM voice hw params free here */
+static int mainstone_baseband_hw_free(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static struct snd_soc_cpu_dai mainstone_example_dai[] = {
+ { .name = "Baseband",
+ .id = 0,
+ .type = SND_SOC_DAI_PCM,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 1,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 1,},
+ .ops = {
+ .startup = mainstone_baseband_startup,
+ .shutdown = mainstone_baseband_shutdown,
+ .hw_params = mainstone_baseband_hw_params,
+ .hw_free = mainstone_baseband_hw_free,
+ },
+ .caps = {
+ .mode = mainstone_example_modes,
+ .num_modes = ARRAY_SIZE(mainstone_example_modes),},
+ },
+};
+
+/* do we need to do any thing on the mainstone when the stream is
+ * started and stopped
+ */
+static int mainstone_startup(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static void mainstone_shutdown(struct snd_pcm_substream *substream)
+{
+}
+
+static struct snd_soc_ops mainstone_ops = {
+ .startup = mainstone_startup,
+ .shutdown = mainstone_shutdown,
+};
+
+/* PM */
+static int mainstone_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ return 0;
+}
+
+static int mainstone_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int mainstone_probe(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int mainstone_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int mainstone_wm9713_init(struct snd_soc_codec *codec)
+{
+ return 0;
+}
+
+unsigned int mainstone_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ /* wm8753 has pll that generates mclk from 13MHz xtal */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 13000000);
+}
+
+/* the physical audio connections between the WM9713, Baseband and pxa2xx */
+static struct snd_soc_dai_link mainstone_dai[] = {
+{
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
+ .codec_dai = &wm9713_dai[WM9713_DAI_AC97_HIFI],
+ .init = mainstone_wm9713_init,
+},
+{
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9713_dai[WM9713_DAI_AC97_AUX],
+},
+{
+ .name = "Baseband",
+ .stream_name = "Voice",
+ .cpu_dai = mainstone_example_dai,
+ .codec_dai = &wm9713_dai[WM9713_DAI_PCM_VOICE],
+ .config_sysclk = mainstone_config_sysclk,
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .probe = mainstone_probe,
+ .remove = mainstone_remove,
+ .suspend_pre = mainstone_suspend,
+ .resume_post = mainstone_resume,
+ .ops = &mainstone_ops,
+ .dai_link = mainstone_dai,
+ .num_links = ARRAY_SIZE(mainstone_dai),
+};
+
+static struct snd_soc_device mainstone_snd_ac97_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm9713,
+};
+
+static struct platform_device *mainstone_snd_ac97_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_ac97_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_ac97_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_ac97_device, &mainstone_snd_ac97_devdata);
+ mainstone_snd_ac97_devdata.dev = &mainstone_snd_ac97_device->dev;
+
+ if((ret = platform_device_add(mainstone_snd_ac97_device)) != 0)
+ platform_device_put(mainstone_snd_ac97_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_ac97_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("Mainstone Example Baseband PCM Interface");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone_bluetooth.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone_bluetooth.c
@@ -0,0 +1,399 @@
+/*
+ * mainstone_bluetooth.c
+ * Mainstone Example Bluetooth -- ALSA Soc Audio Layer
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 15th May 2006 Initial version.
+ *
+ * This is example code to demonstrate connecting a bluetooth codec to the PCM
+ * DAI on the WM8753 codec on the Intel Mainstone platform. It is by no means
+ * complete as it requires code to control the BT codec.
+ *
+ * The architecture consists of the WM8753 HIFI DAI connected to the PXA27x
+ * I2S controller and the WM8753 PCM DAI connected to the bluetooth DAI. The
+ * bluetooth codec and wm8753 are controlled via I2C. Audio is routed between
+ * the PXA27x and the bluetooth via internal WM8753 analog paths.
+ *
+ * This example supports the following audio input/outputs.
+ *
+ * o Board mounted Mic and Speaker (spk has amplifier)
+ * o Headphones via jack socket
+ * o BT source and sink
+ *
+ * This driver is not the bluetooth codec driver. This driver only calls
+ * functions from the Bluetooth driver to set up it's PCM DAI.
+ *
+ * It's intended to use the driver as follows:-
+ *
+ * 1. open() WM8753 PCM audio device.
+ * 2. configure PCM audio device (rate etc) - sets up WM8753 PCM DAI,
+ * this should also set up the BT codec DAI (via calling bt driver).
+ * 3. configure codec audio mixer paths.
+ * 4. open(), configure and read/write HIFI audio device - to Tx/Rx voice
+ *
+ * The PCM audio device is opened but IO is never performed on it as the IO is
+ * directly between the codec and the BT codec (and not the CPU).
+ *
+ * TODO:
+ * o Implement callbacks
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/ssp.h>
+
+#include "../codecs/wm8753.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+
+#define BLUETOOTH_DAIFMT \
+ (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBS_CFS |\
+ SND_SOC_DAIFMT_NB_NF)
+
+#define BLUETOOTH_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+/*
+ * PCM modes - 8k 16bit mono BT codec is master
+ */
+static struct snd_soc_dai_mode mainstone_bt_modes[] = {
+ /* port master clk & frame modes */
+ {BLUETOOTH_DAIFMT, SND_SOC_DAITDM_LRDW(0,0), SNDRV_PCM_FORMAT_S16_LE,
+ SNDRV_PCM_RATE_8000, BLUETOOTH_DIR, SND_SOC_DAI_BFS_RATE, 256, 64},
+};
+
+/* Do specific bluetooth PCM startup here */
+static int mainstone_bt_startup(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+/* Do specific bluetooth PCM shutdown here */
+static void mainstone_bt_shutdown (struct snd_pcm_substream *substream)
+{
+}
+
+/* Do pecific bluetooth PCM hw params init here */
+static int mainstone_bt_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ return 0;
+}
+
+/* Do specific bluetooth PCM hw params free here */
+static int mainstone_bt_hw_free(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static struct snd_soc_cpu_dai mainstone_bt_dai[] = {
+ { .name = "Bluetooth",
+ .id = 0,
+ .type = SND_SOC_DAI_PCM,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 1,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 1,},
+ .ops = {
+ .startup = mainstone_bt_startup,
+ .shutdown = mainstone_bt_shutdown,
+ .hw_params = mainstone_bt_hw_params,
+ .hw_free = mainstone_bt_hw_free,
+ },
+ .caps = {
+ .mode = mainstone_bt_modes,
+ .num_modes = ARRAY_SIZE(mainstone_bt_modes),},
+ },
+};
+
+/* do we need to do any thing on the mainstone when the stream is
+ * started and stopped
+ */
+static int mainstone_startup(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static void mainstone_shutdown(struct snd_pcm_substream *substream)
+{
+}
+
+static struct snd_soc_ops mainstone_ops = {
+ .startup = mainstone_startup,
+ .shutdown = mainstone_shutdown,
+};
+
+/* PM */
+static int mainstone_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ return 0;
+}
+
+static int mainstone_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int mainstone_probe(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int mainstone_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+/*
+ * Machine audio functions.
+ *
+ * The machine now has 3 extra audio controls.
+ *
+ * Jack function: Sets function (device plugged into Jack) to nothing (Off)
+ * or Headphones.
+ *
+ * Mic function: Set the on board Mic to On or Off
+ * Spk function: Set the on board Spk to On or Off
+ *
+ * example: BT playback (of far end) and capture (of near end)
+ * Set Mic and Speaker to On, open BT alsa interface as above and set up
+ * internal audio paths.
+ */
+
+static int machine_jack_func = 0;
+static int machine_spk_func = 0;
+static int machine_mic_func = 0;
+
+static int machine_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = machine_jack_func;
+ return 0;
+}
+
+static int machine_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ machine_jack_func = ucontrol->value.integer.value[0];
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", machine_jack_func);
+ return 0;
+}
+
+static int machine_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = machine_spk_func;
+ return 0;
+}
+
+static int machine_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ machine_spk_func = ucontrol->value.integer.value[0];
+ snd_soc_dapm_set_endpoint(codec, "Spk", machine_spk_func);
+ return 0;
+}
+
+static int machine_get_mic(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = machine_spk_func;
+ return 0;
+}
+
+static int machine_set_mic(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ machine_spk_func = ucontrol->value.integer.value[0];
+ snd_soc_dapm_set_endpoint(codec, "Mic", machine_mic_func);
+ return 0;
+}
+
+/* turns on board speaker amp on/off */
+static int machine_amp_event(struct snd_soc_dapm_widget *w, int event)
+{
+#if 0
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ /* on */
+ else
+ /* off */
+#endif
+ return 0;
+}
+
+/* machine dapm widgets */
+static const struct snd_soc_dapm_widget machine_dapm_widgets[] = {
+SND_SOC_DAPM_HP("Headphone Jack", NULL),
+SND_SOC_DAPM_SPK("Spk", machine_amp_event),
+SND_SOC_DAPM_MIC("Mic", NULL),
+};
+
+/* machine connections to the codec pins */
+static const char* audio_map[][3] = {
+
+ /* headphone connected to LOUT1, ROUT1 */
+ {"Headphone Jack", NULL, "LOUT"},
+ {"Headphone Jack", NULL, "ROUT"},
+
+ /* speaker connected to LOUT2, ROUT2 */
+ {"Spk", NULL, "ROUT2"},
+ {"Spk", NULL, "LOUT2"},
+
+ /* mic is connected to MIC1 (via Mic Bias) */
+ {"MIC1", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char* jack_function[] = {"Off", "Headphone"};
+static const char* spk_function[] = {"Off", "On"};
+static const char* mic_function[] = {"Off", "On"};
+static const struct soc_enum machine_ctl_enum[] = {
+ SOC_ENUM_SINGLE_EXT(2, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+ SOC_ENUM_SINGLE_EXT(2, mic_function),
+};
+
+static const struct snd_kcontrol_new wm8753_machine_controls[] = {
+ SOC_ENUM_EXT("Jack Function", machine_ctl_enum[0], machine_get_jack, machine_set_jack),
+ SOC_ENUM_EXT("Speaker Function", machine_ctl_enum[1], machine_get_spk, machine_set_spk),
+ SOC_ENUM_EXT("Mic Function", machine_ctl_enum[2], machine_get_mic, machine_set_mic),
+};
+
+static int mainstone_wm8753_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ /* not used on this machine - e.g. will never be powered up */
+ snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "OUT4", 0);
+ snd_soc_dapm_set_endpoint(codec, "MONO2", 0);
+ snd_soc_dapm_set_endpoint(codec, "MONO1", 0);
+ snd_soc_dapm_set_endpoint(codec, "LINE1", 0);
+ snd_soc_dapm_set_endpoint(codec, "LINE2", 0);
+ snd_soc_dapm_set_endpoint(codec, "RXP", 0);
+ snd_soc_dapm_set_endpoint(codec, "RXN", 0);
+ snd_soc_dapm_set_endpoint(codec, "MIC2", 0);
+
+ /* Add machine specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8753_machine_controls); i++) {
+ if ((err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8753_machine_controls[i],codec, NULL))) < 0)
+ return err;
+ }
+
+ /* Add machine specific widgets */
+ for(i = 0; i < ARRAY_SIZE(machine_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &machine_dapm_widgets[i]);
+ }
+
+ /* Set up machine specific audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0], audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+/* this configures the clocking between the WM8753 and the BT codec */
+unsigned int mainstone_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ /* wm8753 has pll that generates mclk from 13MHz xtal */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 13000000);
+}
+
+static struct snd_soc_dai_link mainstone_dai[] = {
+{ /* Hifi Playback - for similatious use with voice below */
+ .name = "WM8753",
+ .stream_name = "WM8753 HiFi",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8753_dai[WM8753_DAI_HIFI],
+ .init = mainstone_wm8753_init,
+ .config_sysclk = mainstone_config_sysclk,
+},
+{ /* Voice via BT */
+ .name = "Bluetooth",
+ .stream_name = "Voice",
+ .cpu_dai = mainstone_bt_dai,
+ .codec_dai = &wm8753_dai[WM8753_DAI_VOICE],
+ .config_sysclk = mainstone_config_sysclk,
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .probe = mainstone_probe,
+ .remove = mainstone_remove,
+ .suspend_pre = mainstone_suspend,
+ .resume_post = mainstone_resume,
+ .ops = &mainstone_ops,
+ .dai_link = mainstone_dai,
+ .num_links = ARRAY_SIZE(mainstone_dai),
+};
+
+static struct snd_soc_device mainstone_snd_wm8753_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8753,
+};
+
+static struct platform_device *mainstone_snd_wm8753_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_wm8753_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_wm8753_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_wm8753_device, &mainstone_snd_wm8753_devdata);
+ mainstone_snd_wm8753_devdata.dev = &mainstone_snd_wm8753_device->dev;
+
+ if((ret = platform_device_add(mainstone_snd_wm8753_device)) != 0)
+ platform_device_put(mainstone_snd_wm8753_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_wm8753_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("Mainstone Example Bluetooth PCM Interface");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm8731.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm8731.c
@@ -0,0 +1,156 @@
+/*
+ * mainstone.c -- SoC audio for Mainstone
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Mainstone audio amplifier code taken from arch/arm/mach-pxa/mainstone.c
+ * Copyright: MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 5th June 2006 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm8731.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+
+
+static const struct snd_soc_dapm_widget dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+};
+
+static const char* intercon[][3] = {
+
+ /* speaker connected to LHPOUT */
+ {"Ext Spk", NULL, "LHPOUT"},
+
+ /* mic is connected to Mic Jack, with WM8731 Mic Bias */
+ {"MICIN", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Int Mic"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+/*
+ * Logic for a wm8731 as connected on a Endrelia ETI-B1 board.
+ */
+static int mainstone_wm8731_init(struct snd_soc_codec *codec)
+{
+ int i;
+
+
+ /* Add specific widgets */
+ for(i = 0; i < ARRAY_SIZE(dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &dapm_widgets[i]);
+ }
+
+ /* Set up specific audio path interconnects */
+ for(i = 0; intercon[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, intercon[i][0], intercon[i][1], intercon[i][2]);
+ }
+
+ /* not connected */
+ snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
+
+ /* always connected */
+ snd_soc_dapm_set_endpoint(codec, "Int Mic", 1);
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", 1);
+
+ snd_soc_dapm_sync_endpoints(codec);
+
+ return 0;
+}
+
+unsigned int mainstone_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ /* we have a 12.288MHz crystal */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 12288000);
+}
+
+static struct snd_soc_dai_link mainstone_dai[] = {
+{
+ .name = "WM8731",
+ .stream_name = "WM8731 HiFi",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8731_dai,
+ .init = mainstone_wm8731_init,
+ .config_sysclk = mainstone_config_sysclk,
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .dai_link = mainstone_dai,
+ .num_links = ARRAY_SIZE(mainstone_dai),
+};
+
+static struct wm8731_setup_data corgi_wm8731_setup = {
+ .i2c_address = 0x1b,
+};
+
+static struct snd_soc_device mainstone_snd_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8731,
+ .codec_data = &corgi_wm8731_setup,
+};
+
+static struct platform_device *mainstone_snd_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_device, &mainstone_snd_devdata);
+ mainstone_snd_devdata.dev = &mainstone_snd_device->dev;
+ ret = platform_device_add(mainstone_snd_device);
+
+ if (ret)
+ platform_device_put(mainstone_snd_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC WM8731 Mainstone");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm8753.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm8753.c
@@ -0,0 +1,226 @@
+/*
+ * mainstone.c -- SoC audio for Mainstone
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Mainstone audio amplifier code taken from arch/arm/mach-pxa/mainstone.c
+ * Copyright: MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 30th Oct 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm8753.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+
+static int mainstone_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if(rtd->cpu_dai->type == SND_SOC_DAI_PCM && rtd->cpu_dai->id == 1) {
+ /* enable USB on the go MUX so we can use SSPFRM2 */
+ MST_MSCWR2 |= MST_MSCWR2_USB_OTG_SEL;
+ MST_MSCWR2 &= ~MST_MSCWR2_USB_OTG_RST;
+ }
+ return 0;
+}
+
+static void mainstone_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if(rtd->cpu_dai->type == SND_SOC_DAI_PCM && rtd->cpu_dai->id == 1) {
+ /* disable USB on the go MUX so we can use ttyS0 */
+ MST_MSCWR2 &= ~MST_MSCWR2_USB_OTG_SEL;
+ MST_MSCWR2 |= MST_MSCWR2_USB_OTG_RST;
+ }
+}
+
+static struct snd_soc_ops mainstone_ops = {
+ .startup = mainstone_startup,
+ .shutdown = mainstone_shutdown,
+};
+
+static long mst_audio_suspend_mask;
+
+static int mainstone_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ mst_audio_suspend_mask = MST_MSCWR2;
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_resume(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_probe(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_remove(struct platform_device *pdev)
+{
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+/* example machine audio_mapnections */
+static const char* audio_map[][3] = {
+
+ /* mic is connected to mic1 - with bias */
+ {"MIC1", NULL, "Mic Bias"},
+ {"MIC1N", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic1 Jack"},
+ {"Mic Bias", NULL, "Mic1 Jack"},
+
+ {"ACIN", NULL, "ACOP"},
+ {NULL, NULL, NULL},
+};
+
+/* headphone detect support on my board */
+static const char * hp_pol[] = {"Headphone", "Speaker"};
+static const struct soc_enum wm8753_enum =
+ SOC_ENUM_SINGLE(WM8753_OUTCTL, 1, 2, hp_pol);
+
+static const struct snd_kcontrol_new wm8753_mainstone_controls[] = {
+ SOC_SINGLE("Headphone Detect Switch", WM8753_OUTCTL, 6, 1, 0),
+ SOC_ENUM("Headphone Detect Polarity", wm8753_enum),
+};
+
+/*
+ * This is an example machine initialisation for a wm8753 connected to a
+ * Mainstone II. It is missing logic to detect hp/mic insertions and logic
+ * to re-route the audio in such an event.
+ */
+static int mainstone_wm8753_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ /* set up mainstone codec pins */
+ snd_soc_dapm_set_endpoint(codec, "RXP", 0);
+ snd_soc_dapm_set_endpoint(codec, "RXN", 0);
+ snd_soc_dapm_set_endpoint(codec, "MIC2", 0);
+
+ /* add mainstone specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8753_mainstone_controls); i++) {
+ if ((err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8753_mainstone_controls[i],codec, NULL))) < 0)
+ return err;
+ }
+
+ /* set up mainstone specific audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0], audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+unsigned int mainstone_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ /* wm8753 has pll that generates mclk from 13MHz xtal */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 13000000);
+}
+
+static struct snd_soc_dai_link mainstone_dai[] = {
+{ /* Hifi Playback - for similatious use with voice below */
+ .name = "WM8753",
+ .stream_name = "WM8753 HiFi",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8753_dai[WM8753_DAI_HIFI],
+ .init = mainstone_wm8753_init,
+ .config_sysclk = mainstone_config_sysclk,
+},
+{ /* Voice via BT */
+ .name = "Bluetooth",
+ .stream_name = "Voice",
+ .cpu_dai = &pxa_ssp_dai[1],
+ .codec_dai = &wm8753_dai[WM8753_DAI_VOICE],
+ .config_sysclk = mainstone_config_sysclk,
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .probe = mainstone_probe,
+ .remove = mainstone_remove,
+ .suspend_pre = mainstone_suspend,
+ .resume_post = mainstone_resume,
+ .ops = &mainstone_ops,
+ .dai_link = mainstone_dai,
+ .num_links = ARRAY_SIZE(mainstone_dai),
+};
+
+static struct wm8753_setup_data mainstone_wm8753_setup = {
+ .i2c_address = 0x1a,
+};
+
+static struct snd_soc_device mainstone_snd_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8753,
+ .codec_data = &mainstone_wm8753_setup,
+};
+
+static struct platform_device *mainstone_snd_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_device, &mainstone_snd_devdata);
+ mainstone_snd_devdata.dev = &mainstone_snd_device->dev;
+ ret = platform_device_add(mainstone_snd_device);
+
+ if (ret)
+ platform_device_put(mainstone_snd_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC WM8753 Mainstone");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm8974.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm8974.c
@@ -0,0 +1,112 @@
+/*
+ * mainstone.c -- SoC audio for Mainstone
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Mainstone audio amplifier code taken from arch/arm/mach-pxa/mainstone.c
+ * Copyright: MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 30th Oct 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm8974.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+
+static int mainstone_wm8974_init(struct snd_soc_codec *codec)
+{
+ return 0;
+}
+
+unsigned int mainstone_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ /* we have a PLL */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 12288000);
+
+}
+
+static struct snd_soc_dai_link mainstone_dai[] = {
+{
+ .name = "WM8974",
+ .stream_name = "WM8974 HiFi",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8974_dai,
+ .init = mainstone_wm8974_init,
+ .config_sysclk = mainstone_config_sysclk,
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .dai_link = mainstone_dai,
+ .num_links = ARRAY_SIZE(mainstone_dai),
+};
+
+static struct wm8974_setup_data mainstone_wm8974_setup = {
+ .i2c_address = 0x1a,
+};
+
+static struct snd_soc_device mainstone_snd_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8974,
+ .codec_data = &mainstone_wm8974_setup,
+};
+
+static struct platform_device *mainstone_snd_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_device, &mainstone_snd_devdata);
+ mainstone_snd_devdata.dev = &mainstone_snd_device->dev;
+ ret = platform_device_add(mainstone_snd_device);
+
+ if (ret)
+ platform_device_put(mainstone_snd_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC Mainstone");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm9712.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm9712.c
@@ -0,0 +1,171 @@
+/*
+ * mainstone.c -- SoC audio for Mainstone
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Mainstone audio amplifier code taken from arch/arm/mach-pxa/mainstone.c
+ * Copyright: MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 29th Jan 2006 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm9712.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+static long mst_audio_suspend_mask;
+
+static int mainstone_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ mst_audio_suspend_mask = MST_MSCWR2;
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_resume(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_probe(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_remove(struct platform_device *pdev)
+{
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+/* mainstone machine dapm widgets */
+static const struct snd_soc_dapm_widget mainstone_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
+};
+
+/* example machine interconnections */
+static const char* intercon[][3] = {
+
+ /* mic is connected to mic1 - with bias */
+ {"MIC1", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic (Internal)"},
+
+ {NULL, NULL, NULL},
+};
+
+/*
+ * This is an example machine initialisation for a wm8753 connected to a
+ * Mainstone II. It is missing logic to detect hp/mic insertions and logic
+ * to re-route the audio in such an event.
+ */
+static int mainstone_wm9712_init(struct snd_soc_codec *codec)
+{
+ int i;
+
+ /* set up mainstone codec pins */
+ snd_soc_dapm_set_endpoint(codec, "RXP", 0);
+ snd_soc_dapm_set_endpoint(codec, "RXN", 0);
+ //snd_soc_dapm_set_endpoint(codec, "MIC2", 0);
+
+ /* Add mainstone specific widgets */
+ for(i = 0; i < ARRAY_SIZE(mainstone_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &mainstone_dapm_widgets[i]);
+ }
+
+ /* set up mainstone specific audio path interconnects */
+ for(i = 0; intercon[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, intercon[i][0], intercon[i][1], intercon[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+static struct snd_soc_dai_link mainstone_dai[] = {
+{
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
+ .init = mainstone_wm9712_init,
+},
+{
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .probe = mainstone_probe,
+ .remove = mainstone_remove,
+ .suspend_pre = mainstone_suspend,
+ .resume_post = mainstone_resume,
+ .dai_link = mainstone_dai,
+ .num_links = ARRAY_SIZE(mainstone_dai),
+};
+
+static struct snd_soc_device mainstone_snd_ac97_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm9712,
+};
+
+static struct platform_device *mainstone_snd_ac97_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_ac97_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_ac97_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_ac97_device, &mainstone_snd_ac97_devdata);
+ mainstone_snd_ac97_devdata.dev = &mainstone_snd_ac97_device->dev;
+
+ if((ret = platform_device_add(mainstone_snd_ac97_device)) != 0)
+ platform_device_put(mainstone_snd_ac97_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_ac97_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC WM9712 Mainstone");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm9713.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/mainstone_wm9713.c
@@ -0,0 +1,263 @@
+/*
+ * mainstone.c -- SoC audio for Mainstone
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Mainstone audio amplifier code taken from arch/arm/mach-pxa/mainstone.c
+ * Copyright: MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 29th Jan 2006 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mainstone.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm9713.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine mainstone;
+
+static int mainstone_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if(rtd->cpu_dai->type == SND_SOC_DAI_PCM && rtd->cpu_dai->id == 1) {
+ /* enable USB on the go MUX so we can use SSPFRM2 */
+ MST_MSCWR2 |= MST_MSCWR2_USB_OTG_SEL;
+ MST_MSCWR2 &= ~MST_MSCWR2_USB_OTG_RST;
+ }
+ return 0;
+}
+
+static void mainstone_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if(rtd->cpu_dai->type == SND_SOC_DAI_PCM && rtd->cpu_dai->id == 1) {
+ /* disable USB on the go MUX so we can use ttyS0 */
+ MST_MSCWR2 &= ~MST_MSCWR2_USB_OTG_SEL;
+ MST_MSCWR2 |= MST_MSCWR2_USB_OTG_RST;
+ }
+}
+
+static struct snd_soc_ops mainstone_ops = {
+ .startup = mainstone_startup,
+ .shutdown = mainstone_shutdown,
+};
+
+static int test = 0;
+static int get_test(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = test;
+ return 0;
+}
+
+static int set_test(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ test = ucontrol->value.integer.value[0];
+ if(test) {
+
+ } else {
+
+ }
+ return 0;
+}
+
+static long mst_audio_suspend_mask;
+
+static int mainstone_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ mst_audio_suspend_mask = MST_MSCWR2;
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_resume(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_probe(struct platform_device *pdev)
+{
+ MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static int mainstone_remove(struct platform_device *pdev)
+{
+ MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF;
+ return 0;
+}
+
+static const char* test_function[] = {"Off", "On"};
+static const struct soc_enum mainstone_enum[] = {
+ SOC_ENUM_SINGLE_EXT(2, test_function),
+};
+
+static const struct snd_kcontrol_new mainstone_controls[] = {
+ SOC_ENUM_EXT("ATest Function", mainstone_enum[0], get_test, set_test),
+};
+
+/* mainstone machine dapm widgets */
+static const struct snd_soc_dapm_widget mainstone_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Mic 1", NULL),
+ SND_SOC_DAPM_MIC("Mic 2", NULL),
+ SND_SOC_DAPM_MIC("Mic 3", NULL),
+};
+
+/* example machine audio_mapnections */
+static const char* audio_map[][3] = {
+
+ /* mic is connected to mic1 - with bias */
+ {"MIC1", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic 1"},
+ /* mic is connected to mic2A - with bias */
+ {"MIC2A", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic 2"},
+ /* mic is connected to mic2B - with bias */
+ {"MIC2B", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic 3"},
+
+ {NULL, NULL, NULL},
+};
+
+/*
+ * This is an example machine initialisation for a wm9713 connected to a
+ * Mainstone II. It is missing logic to detect hp/mic insertions and logic
+ * to re-route the audio in such an event.
+ */
+static int mainstone_wm9713_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ /* set up mainstone codec pins */
+ snd_soc_dapm_set_endpoint(codec, "RXP", 0);
+ snd_soc_dapm_set_endpoint(codec, "RXN", 0);
+ //snd_soc_dapm_set_endpoint(codec, "MIC2", 0);
+
+ /* Add test specific controls */
+ for (i = 0; i < ARRAY_SIZE(mainstone_controls); i++) {
+ if ((err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&mainstone_controls[i],codec, NULL))) < 0)
+ return err;
+ }
+
+ /* Add mainstone specific widgets */
+ for(i = 0; i < ARRAY_SIZE(mainstone_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &mainstone_dapm_widgets[i]);
+ }
+
+ /* set up mainstone specific audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0], audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+/* configure the system audio clock */
+unsigned int mainstone_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 24576000);
+}
+
+static struct snd_soc_dai_link mainstone_dai[] = {
+{
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
+ .codec_dai = &wm9713_dai[WM9713_DAI_AC97_HIFI],
+ .init = mainstone_wm9713_init,
+ .config_sysclk = mainstone_config_sysclk,
+},
+{
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9713_dai[WM9713_DAI_AC97_AUX],
+ .config_sysclk = mainstone_config_sysclk,
+},
+{
+ .name = "WM9713",
+ .stream_name = "WM9713 Voice",
+ .cpu_dai = &pxa_ssp_dai[PXA2XX_DAI_SSP2],
+ .codec_dai = &wm9713_dai[WM9713_DAI_PCM_VOICE],
+ .config_sysclk = mainstone_config_sysclk,
+},
+};
+
+static struct snd_soc_machine mainstone = {
+ .name = "Mainstone",
+ .probe = mainstone_probe,
+ .remove = mainstone_remove,
+ .suspend_pre = mainstone_suspend,
+ .resume_post = mainstone_resume,
+ .ops = &mainstone_ops,
+ .dai_link = mainstone_dai,
+ .num_links = ARRAY_SIZE(mainstone_dai),
+};
+
+static struct snd_soc_device mainstone_snd_ac97_devdata = {
+ .machine = &mainstone,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm9713,
+};
+
+static struct platform_device *mainstone_snd_ac97_device;
+
+static int __init mainstone_init(void)
+{
+ int ret;
+
+ mainstone_snd_ac97_device = platform_device_alloc("soc-audio", -1);
+ if (!mainstone_snd_ac97_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(mainstone_snd_ac97_device, &mainstone_snd_ac97_devdata);
+ mainstone_snd_ac97_devdata.dev = &mainstone_snd_ac97_device->dev;
+
+ if((ret = platform_device_add(mainstone_snd_ac97_device)) != 0)
+ platform_device_put(mainstone_snd_ac97_device);
+
+ return ret;
+}
+
+static void __exit mainstone_exit(void)
+{
+ platform_device_unregister(mainstone_snd_ac97_device);
+}
+
+module_init(mainstone_init);
+module_exit(mainstone_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC WM9713 Mainstone");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/poodle.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/poodle.c
@@ -0,0 +1,329 @@
+/*
+ * poodle.c -- SoC audio for Poodle
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/locomo.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/poodle.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm8731.h"
+#include "pxa2xx-pcm.h"
+
+#define POODLE_HP 1
+#define POODLE_HP_OFF 0
+#define POODLE_SPK_ON 1
+#define POODLE_SPK_OFF 0
+
+ /* audio clock in Hz - rounded from 12.235MHz */
+#define POODLE_AUDIO_CLOCK 12288000
+
+static int poodle_jack_func;
+static int poodle_spk_func;
+
+static void poodle_ext_control(struct snd_soc_codec *codec)
+{
+ int spk = 0;
+
+ /* set up jack connection */
+ if (poodle_jack_func == POODLE_HP) {
+ /* set = unmute headphone */
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 1);
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 1);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
+ } else {
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 0);
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 0);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ }
+
+ if (poodle_spk_func == POODLE_SPK_ON)
+ spk = 1;
+
+ /* set the enpoints to their new connetion states */
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", spk);
+
+ /* signal a DAPM event */
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int poodle_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ poodle_ext_control(codec);
+ return 0;
+}
+
+/* we need to unmute the HP at shutdown as the mute burns power on poodle */
+static int poodle_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* set = unmute headphone */
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 1);
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 1);
+ return 0;
+}
+
+static struct snd_soc_ops poodle_ops = {
+ .startup = poodle_startup,
+ .shutdown = poodle_shutdown,
+};
+
+static int poodle_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = poodle_jack_func;
+ return 0;
+}
+
+static int poodle_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (poodle_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ poodle_jack_func = ucontrol->value.integer.value[0];
+ poodle_ext_control(codec);
+ return 1;
+}
+
+static int poodle_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = poodle_spk_func;
+ return 0;
+}
+
+static int poodle_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (poodle_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ poodle_spk_func = ucontrol->value.integer.value[0];
+ poodle_ext_control(codec);
+ return 1;
+}
+
+static int poodle_amp_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_AMP_ON, 0);
+ else
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_AMP_ON, 1);
+
+ return 0;
+}
+
+/* poodle machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_HP("Headphone Jack", NULL),
+SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
+};
+
+/* Corgi machine audio_mapnections to the codec pins */
+static const char *audio_map[][3] = {
+
+ /* headphone connected to LHPOUT1, RHPOUT1 */
+ {"Headphone Jack", NULL, "LHPOUT"},
+ {"Headphone Jack", NULL, "RHPOUT"},
+
+ /* speaker connected to LOUT, ROUT */
+ {"Ext Spk", NULL, "ROUT"},
+ {"Ext Spk", NULL, "LOUT"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Off", "Headphone"};
+static const char *spk_function[] = {"Off", "On"};
+static const struct soc_enum poodle_enum[] = {
+ SOC_ENUM_SINGLE_EXT(2, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const snd_kcontrol_new_t wm8731_poodle_controls[] = {
+ SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
+ poodle_set_jack),
+ SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
+ poodle_set_spk),
+};
+
+/*
+ * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
+ */
+static int poodle_wm8731_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "MICIN", 1);
+
+ /* Add poodle specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8731_poodle_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8731_poodle_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* Add poodle specific widgets */
+ for (i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
+ }
+
+ /* Set up poodle specific audio path audio_map */
+ for (i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+static unsigned int poodle_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ if (info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
+ /* pxa2xx is i2s master */
+ switch (info->rate) {
+ case 44100:
+ case 88200:
+ /* configure codec digital filters for 44.1, 88.2 */
+ rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ 11289600);
+ break;
+ default:
+ /* configure codec digital filters for all other rates */
+ rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ POODLE_AUDIO_CLOCK);
+ break;
+ }
+ return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
+ POODLE_AUDIO_CLOCK);
+ } else {
+ /* codec is i2s master -
+ * only configure codec DAI clock and filters */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ POODLE_AUDIO_CLOCK);
+ }
+}
+
+/* poodle digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link poodle_dai = {
+ .name = "WM8731",
+ .stream_name = "WM8731",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8731_dai,
+ .init = poodle_wm8731_init,
+ .config_sysclk = poodle_config_sysclk,
+};
+
+/* poodle audio machine driver */
+static struct snd_soc_machine snd_soc_machine_poodle = {
+ .name = "Poodle",
+ .dai_link = &poodle_dai,
+ .num_links = 1,
+ .ops = &poodle_ops,
+};
+
+/* poodle audio private data */
+static struct wm8731_setup_data poodle_wm8731_setup = {
+ .i2c_address = 0x1b,
+};
+
+/* poodle audio subsystem */
+static struct snd_soc_device poodle_snd_devdata = {
+ .machine = &snd_soc_machine_poodle,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8731,
+ .codec_data = &poodle_wm8731_setup,
+};
+
+static struct platform_device *poodle_snd_device;
+
+static int __init poodle_init(void)
+{
+ int ret;
+
+ if (!machine_is_poodle())
+ return -ENODEV;
+
+ locomo_gpio_set_dir(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_AMP_ON, 0);
+ /* should we mute HP at startup - burning power ?*/
+ locomo_gpio_set_dir(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 0);
+ locomo_gpio_set_dir(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 0);
+
+ poodle_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!poodle_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(poodle_snd_device, &poodle_snd_devdata);
+ poodle_snd_devdata.dev = &poodle_snd_device->dev;
+ ret = platform_device_add(poodle_snd_device);
+
+ if (ret)
+ platform_device_put(poodle_snd_device);
+
+ return ret;
+}
+
+static void __exit poodle_exit(void)
+{
+ platform_device_unregister(poodle_snd_device);
+}
+
+module_init(poodle_init);
+module_exit(poodle_exit);
+
+/* Module information */
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Poodle");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-ac97.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-ac97.c
@@ -0,0 +1,437 @@
+/*
+ * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
+ *
+ * Author: Nicolas Pitre
+ * Created: Dec 02, 2004
+ * Copyright: MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/wait.h>
+#include <linux/delay.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/irq.h>
+#include <linux/mutex.h>
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+
+#include "pxa2xx-pcm.h"
+
+static DEFINE_MUTEX(car_mutex);
+static DECLARE_WAIT_QUEUE_HEAD(gsr_wq);
+static volatile long gsr_bits;
+
+#define AC97_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define AC97_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+
+/* may need to expand this */
+static struct snd_soc_dai_mode pxa2xx_ac97_modes[] = {
+ {
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = AC97_RATES,
+ .pcmdir = AC97_DIR,
+ },
+};
+
+/*
+ * Beware PXA27x bugs:
+ *
+ * o Slot 12 read from modem space will hang controller.
+ * o CDONE, SDONE interrupt fails after any slot 12 IO.
+ *
+ * We therefore have an hybrid approach for waiting on SDONE (interrupt or
+ * 1 jiffy timeout if interrupt never comes).
+ */
+
+static unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97,
+ unsigned short reg)
+{
+ unsigned short val = -1;
+ volatile u32 *reg_addr;
+
+ mutex_lock(&car_mutex);
+
+ /* set up primary or secondary codec/modem space */
+#ifdef CONFIG_PXA27x
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#else
+ if (reg == AC97_GPIO_STATUS)
+ reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE;
+ else
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#endif
+ reg_addr += (reg >> 1);
+
+#ifndef CONFIG_PXA27x
+ if (reg == AC97_GPIO_STATUS) {
+ /* read from controller cache */
+ val = *reg_addr;
+ goto out;
+ }
+#endif
+
+ /* start read access across the ac97 link */
+ GSR = GSR_CDONE | GSR_SDONE;
+ gsr_bits = 0;
+ val = *reg_addr;
+
+ wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1);
+ if (!((GSR | gsr_bits) & GSR_SDONE)) {
+ printk(KERN_ERR "%s: read error (ac97_reg=%x GSR=%#lx)\n",
+ __FUNCTION__, reg, GSR | gsr_bits);
+ val = -1;
+ goto out;
+ }
+
+ /* valid data now */
+ GSR = GSR_CDONE | GSR_SDONE;
+ gsr_bits = 0;
+ val = *reg_addr;
+ /* but we've just started another cycle... */
+ wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1);
+
+out: mutex_unlock(&car_mutex);
+ return val;
+}
+
+static void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
+ unsigned short val)
+{
+ volatile u32 *reg_addr;
+
+ mutex_lock(&car_mutex);
+
+ /* set up primary or secondary codec/modem space */
+#ifdef CONFIG_PXA27x
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#else
+ if (reg == AC97_GPIO_STATUS)
+ reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE;
+ else
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#endif
+ reg_addr += (reg >> 1);
+
+ GSR = GSR_CDONE | GSR_SDONE;
+ gsr_bits = 0;
+ *reg_addr = val;
+ wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_CDONE, 1);
+ if (!((GSR | gsr_bits) & GSR_CDONE))
+ printk(KERN_ERR "%s: write error (ac97_reg=%x GSR=%#lx)\n",
+ __FUNCTION__, reg, GSR | gsr_bits);
+
+ mutex_unlock(&car_mutex);
+}
+
+static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+ gsr_bits = 0;
+
+#ifdef CONFIG_PXA27x
+ /* warm reset broken on Bulverde,
+ so manually keep AC97 reset high */
+ pxa_gpio_mode(113 | GPIO_OUT | GPIO_DFLT_HIGH);
+ udelay(10);
+ GCR |= GCR_WARM_RST;
+ pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
+ udelay(500);
+#else
+ GCR |= GCR_WARM_RST | GCR_PRIRDY_IEN | GCR_SECRDY_IEN;
+ wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1);
+#endif
+
+ if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)))
+ printk(KERN_INFO "%s: warm reset timeout (GSR=%#lx)\n",
+ __FUNCTION__, gsr_bits);
+
+ GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN);
+ GCR |= GCR_SDONE_IE|GCR_CDONE_IE;
+}
+
+static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+ GCR &= GCR_COLD_RST; /* clear everything but nCRST */
+ GCR &= ~GCR_COLD_RST; /* then assert nCRST */
+
+ gsr_bits = 0;
+#ifdef CONFIG_PXA27x
+ /* PXA27x Developers Manual section 13.5.2.2.1 */
+ pxa_set_cken(1 << 31, 1);
+ udelay(5);
+ pxa_set_cken(1 << 31, 0);
+ GCR = GCR_COLD_RST;
+ udelay(50);
+#else
+ GCR = GCR_COLD_RST;
+ GCR |= GCR_CDONE_IE|GCR_SDONE_IE;
+ wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1);
+#endif
+
+ if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)))
+ printk(KERN_INFO "%s: cold reset timeout (GSR=%#lx)\n",
+ __FUNCTION__, gsr_bits);
+
+ GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN);
+ GCR |= GCR_SDONE_IE|GCR_CDONE_IE;
+}
+
+static irqreturn_t pxa2xx_ac97_irq(int irq, void *dev_id)
+{
+ long status;
+
+ status = GSR;
+ if (status) {
+ GSR = status;
+ gsr_bits |= status;
+ wake_up(&gsr_wq);
+
+#ifdef CONFIG_PXA27x
+ /* Although we don't use those we still need to clear them
+ since they tend to spuriously trigger when MMC is used
+ (hardware bug? go figure)... */
+ MISR = MISR_EOC;
+ PISR = PISR_EOC;
+ MCSR = MCSR_EOC;
+#endif
+
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+struct snd_ac97_bus_ops soc_ac97_ops = {
+ .read = pxa2xx_ac97_read,
+ .write = pxa2xx_ac97_write,
+ .warm_reset = pxa2xx_ac97_warm_reset,
+ .reset = pxa2xx_ac97_cold_reset,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
+ .name = "AC97 PCM Stereo out",
+ .dev_addr = __PREG(PCDR),
+ .drcmr = &DRCMRTXPCDR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
+ .name = "AC97 PCM Stereo in",
+ .dev_addr = __PREG(PCDR),
+ .drcmr = &DRCMRRXPCDR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
+ .name = "AC97 Aux PCM (Slot 5) Mono out",
+ .dev_addr = __PREG(MODR),
+ .drcmr = &DRCMRTXMODR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
+ .name = "AC97 Aux PCM (Slot 5) Mono in",
+ .dev_addr = __PREG(MODR),
+ .drcmr = &DRCMRRXMODR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
+ .name = "AC97 Mic PCM (Slot 6) Mono in",
+ .dev_addr = __PREG(MCDR),
+ .drcmr = &DRCMRRXMCDR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+#ifdef CONFIG_PM
+static int pxa2xx_ac97_suspend(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ GCR |= GCR_ACLINK_OFF;
+ pxa_set_cken(CKEN2_AC97, 0);
+ return 0;
+}
+
+static int pxa2xx_ac97_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
+ pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
+ pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
+ pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
+#ifdef CONFIG_PXA27x
+ /* Use GPIO 113 as AC97 Reset on Bulverde */
+ pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
+#endif
+ pxa_set_cken(CKEN2_AC97, 1);
+ return 0;
+}
+
+#else
+#define pxa2xx_ac97_suspend NULL
+#define pxa2xx_ac97_resume NULL
+#endif
+
+static int pxa2xx_ac97_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, 0, "AC97", NULL);
+ if (ret < 0)
+ goto err;
+
+ pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
+ pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
+ pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
+ pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
+#ifdef CONFIG_PXA27x
+ /* Use GPIO 113 as AC97 Reset on Bulverde */
+ pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
+#endif
+ pxa_set_cken(CKEN2_AC97, 1);
+ return 0;
+
+ err:
+ if (CKEN & CKEN2_AC97) {
+ GCR |= GCR_ACLINK_OFF;
+ free_irq(IRQ_AC97, NULL);
+ pxa_set_cken(CKEN2_AC97, 0);
+ }
+ return ret;
+}
+
+static void pxa2xx_ac97_remove(struct platform_device *pdev)
+{
+ GCR |= GCR_ACLINK_OFF;
+ free_irq(IRQ_AC97, NULL);
+ pxa_set_cken(CKEN2_AC97, 0);
+}
+
+static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
+ else
+ rtd->cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
+
+ return 0;
+}
+
+static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
+ else
+ rtd->cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
+
+ return 0;
+}
+
+static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ return -ENODEV;
+ else
+ rtd->cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
+
+ return 0;
+}
+
+/*
+ * There is only 1 physical AC97 interface for pxa2xx, but it
+ * has extra fifo's that can be used for aux DACs and ADCs.
+ */
+struct snd_soc_cpu_dai pxa_ac97_dai[] = {
+{
+ .name = "pxa2xx-ac97",
+ .id = 0,
+ .type = SND_SOC_DAI_AC97,
+ .probe = pxa2xx_ac97_probe,
+ .remove = pxa2xx_ac97_remove,
+ .suspend = pxa2xx_ac97_suspend,
+ .resume = pxa2xx_ac97_resume,
+ .playback = {
+ .stream_name = "AC97 Playback",
+ .channels_min = 2,
+ .channels_max = 2,},
+ .capture = {
+ .stream_name = "AC97 Capture",
+ .channels_min = 2,
+ .channels_max = 2,},
+ .ops = {
+ .hw_params = pxa2xx_ac97_hw_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(pxa2xx_ac97_modes),
+ .mode = pxa2xx_ac97_modes,},
+},
+{
+ .name = "pxa2xx-ac97-aux",
+ .id = 1,
+ .type = SND_SOC_DAI_AC97,
+ .playback = {
+ .stream_name = "AC97 Aux Playback",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .capture = {
+ .stream_name = "AC97 Aux Capture",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .ops = {
+ .hw_params = pxa2xx_ac97_hw_aux_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(pxa2xx_ac97_modes),
+ .mode = pxa2xx_ac97_modes,},
+},
+{
+ .name = "pxa2xx-ac97-mic",
+ .id = 2,
+ .type = SND_SOC_DAI_AC97,
+ .capture = {
+ .stream_name = "AC97 Mic Capture",
+ .channels_min = 1,
+ .channels_max = 1,},
+ .ops = {
+ .hw_params = pxa2xx_ac97_hw_mic_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(pxa2xx_ac97_modes),
+ .mode = pxa2xx_ac97_modes,},},
+};
+
+EXPORT_SYMBOL_GPL(pxa_ac97_dai);
+EXPORT_SYMBOL_GPL(soc_ac97_ops);
+
+MODULE_AUTHOR("Nicolas Pitre");
+MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-i2s.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-i2s.c
@@ -0,0 +1,354 @@
+/*
+ * pxa2xx-i2s.c -- ALSA Soc Audio Layer
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 12th Aug 2005 Initial version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+
+#include "pxa2xx-pcm.h"
+
+/* used to disable sysclk if external crystal is used */
+static int extclk;
+module_param(extclk, int, 0);
+MODULE_PARM_DESC(extclk, "set to 1 to disable pxa2xx i2s sysclk");
+
+struct pxa_i2s_port {
+ u32 sadiv;
+ u32 sacr0;
+ u32 sacr1;
+ u32 saimr;
+ int master;
+};
+static struct pxa_i2s_port pxa_i2s;
+
+#define PXA_I2S_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF)
+
+#define PXA_I2S_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define PXA_I2S_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+/* priv is divider */
+static struct snd_soc_dai_mode pxa2xx_i2s_modes[] = {
+ /* pxa2xx I2S frame and clock master modes */
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x48,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x34,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x24,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0x1a,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0xd,
+ },
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = PXA_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = SND_SOC_FSBD(4),
+ .priv = 0xc,
+ },
+
+ /* pxa2xx I2S frame master and clock slave mode */
+ {
+ .fmt = PXA_I2S_DAIFMT | SND_SOC_DAIFMT_CBM_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = PXA_I2S_RATES,
+ .pcmdir = PXA_I2S_DIR,
+ .fs = SND_SOC_FS_ALL,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .bfs = 64,
+ .priv = 0x48,
+ },
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
+ .name = "I2S PCM Stereo out",
+ .dev_addr = __PREG(SADR),
+ .drcmr = &DRCMRTXSADR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_in = {
+ .name = "I2S PCM Stereo in",
+ .dev_addr = __PREG(SADR),
+ .drcmr = &DRCMRRXSADR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_gpio gpio_bus[] = {
+ { /* I2S SoC Slave */
+ .rx = GPIO29_SDATA_IN_I2S_MD,
+ .tx = GPIO30_SDATA_OUT_I2S_MD,
+ .clk = GPIO28_BITCLK_IN_I2S_MD,
+ .frm = GPIO31_SYNC_I2S_MD,
+ },
+ { /* I2S SoC Master */
+#ifdef CONFIG_PXA27x
+ .sys = GPIO113_I2S_SYSCLK_MD,
+#else
+ .sys = GPIO32_SYSCLK_I2S_MD,
+#endif
+ .rx = GPIO29_SDATA_IN_I2S_MD,
+ .tx = GPIO30_SDATA_OUT_I2S_MD,
+ .clk = GPIO28_BITCLK_OUT_I2S_MD,
+ .frm = GPIO31_SYNC_I2S_MD,
+ },
+};
+
+static int pxa2xx_i2s_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (!rtd->cpu_dai->active) {
+ SACR0 |= SACR0_RST;
+ SACR0 = 0;
+ }
+
+ return 0;
+}
+
+/* wait for I2S controller to be ready */
+static int pxa_i2s_wait(void)
+{
+ int i;
+
+ /* flush the Rx FIFO */
+ for(i = 0; i < 16; i++)
+ SADR;
+ return 0;
+}
+
+static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ pxa_i2s.master = 0;
+ if (rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CBS_CFS)
+ pxa_i2s.master = 1;
+
+ if (pxa_i2s.master && !extclk)
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].sys);
+
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].rx);
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].tx);
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].frm);
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].clk);
+ pxa_set_cken(CKEN8_I2S, 1);
+ pxa_i2s_wait();
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->cpu_dai->dma_data = &pxa2xx_i2s_pcm_stereo_out;
+ else
+ rtd->cpu_dai->dma_data = &pxa2xx_i2s_pcm_stereo_in;
+
+ /* is port used by another stream */
+ if (!(SACR0 & SACR0_ENB)) {
+
+ SACR0 = 0;
+ SACR1 = 0;
+ if (pxa_i2s.master)
+ SACR0 |= SACR0_BCKD;
+
+ SACR0 |= SACR0_RFTH(14) | SACR0_TFTH(1);
+
+ if (rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_LEFT_J)
+ SACR1 |= SACR1_AMSL;
+ }
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SAIMR |= SAIMR_TFS;
+ else
+ SAIMR |= SAIMR_RFS;
+
+ SADIV = rtd->cpu_dai->dai_runtime.priv;
+ return 0;
+}
+
+static int pxa2xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ SACR0 |= SACR0_ENB;
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream)
+{
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ SACR1 |= SACR1_DRPL;
+ SAIMR &= ~SAIMR_TFS;
+ } else {
+ SACR1 |= SACR1_DREC;
+ SAIMR &= ~SAIMR_RFS;
+ }
+
+ if (SACR1 & (SACR1_DREC | SACR1_DRPL)) {
+ SACR0 &= ~SACR0_ENB;
+ pxa_i2s_wait();
+ pxa_set_cken(CKEN8_I2S, 0);
+ }
+}
+
+#ifdef CONFIG_PM
+static int pxa2xx_i2s_suspend(struct platform_device *dev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if (!dai->active)
+ return 0;
+
+ /* store registers */
+ pxa_i2s.sacr0 = SACR0;
+ pxa_i2s.sacr1 = SACR1;
+ pxa_i2s.saimr = SAIMR;
+ pxa_i2s.sadiv = SADIV;
+
+ /* deactivate link */
+ SACR0 &= ~SACR0_ENB;
+ pxa_i2s_wait();
+ return 0;
+}
+
+static int pxa2xx_i2s_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if (!dai->active)
+ return 0;
+
+ pxa_i2s_wait();
+
+ SACR0 = pxa_i2s.sacr0 &= ~SACR0_ENB;
+ SACR1 = pxa_i2s.sacr1;
+ SAIMR = pxa_i2s.saimr;
+ SADIV = pxa_i2s.sadiv;
+ SACR0 |= SACR0_ENB;
+
+ return 0;
+}
+
+#else
+#define pxa2xx_i2s_suspend NULL
+#define pxa2xx_i2s_resume NULL
+#endif
+
+/* pxa2xx I2S sysclock is always 256 FS */
+static unsigned int pxa_i2s_config_sysclk(struct snd_soc_cpu_dai *iface,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ return info->rate << 8;
+}
+
+struct snd_soc_cpu_dai pxa_i2s_dai = {
+ .name = "pxa2xx-i2s",
+ .id = 0,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = pxa2xx_i2s_suspend,
+ .resume = pxa2xx_i2s_resume,
+ .config_sysclk = pxa_i2s_config_sysclk,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .ops = {
+ .startup = pxa2xx_i2s_startup,
+ .shutdown = pxa2xx_i2s_shutdown,
+ .trigger = pxa2xx_i2s_trigger,
+ .hw_params = pxa2xx_i2s_hw_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(pxa2xx_i2s_modes),
+ .mode = pxa2xx_i2s_modes,},
+};
+
+EXPORT_SYMBOL_GPL(pxa_i2s_dai);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("pxa2xx I2S SoC Interface");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-pcm.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-pcm.c
@@ -0,0 +1,363 @@
+/*
+ * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 30, 2004
+ * Copyright: (C) 2004 MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/dma.h>
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+
+#include "pxa2xx-pcm.h"
+
+static const struct snd_pcm_hardware pxa2xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .period_bytes_min = 32,
+ .period_bytes_max = 8192 - 32,
+ .periods_min = 1,
+ .periods_max = PAGE_SIZE/sizeof(pxa_dma_desc),
+ .buffer_bytes_max = 128 * 1024,
+ .fifo_size = 32,
+};
+
+struct pxa2xx_runtime_data {
+ int dma_ch;
+ struct pxa2xx_pcm_dma_params *params;
+ pxa_dma_desc *dma_desc_array;
+ dma_addr_t dma_desc_array_phys;
+};
+
+static void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id)
+{
+ struct snd_pcm_substream *substream = dev_id;
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+ int dcsr;
+
+ dcsr = DCSR(dma_ch);
+ DCSR(dma_ch) = dcsr & ~DCSR_STOPIRQEN;
+
+ if (dcsr & DCSR_ENDINTR) {
+ snd_pcm_period_elapsed(substream);
+ } else {
+ printk( KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n",
+ prtd->params->name, dma_ch, dcsr );
+ }
+}
+
+static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd = runtime->private_data;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct pxa2xx_pcm_dma_params *dma = rtd->cpu_dai->dma_data;
+ size_t totsize = params_buffer_bytes(params);
+ size_t period = params_period_bytes(params);
+ pxa_dma_desc *dma_desc;
+ dma_addr_t dma_buff_phys, next_desc_phys;
+ int ret;
+
+ /* this may get called several times by oss emulation
+ * with different params */
+ if (prtd->params == NULL) {
+ prtd->params = dma;
+ ret = pxa_request_dma(prtd->params->name, DMA_PRIO_LOW,
+ pxa2xx_pcm_dma_irq, substream);
+ if (ret < 0)
+ return ret;
+ prtd->dma_ch = ret;
+ } else if (prtd->params != dma) {
+ pxa_free_dma(prtd->dma_ch);
+ prtd->params = dma;
+ ret = pxa_request_dma(prtd->params->name, DMA_PRIO_LOW,
+ pxa2xx_pcm_dma_irq, substream);
+ if (ret < 0)
+ return ret;
+ prtd->dma_ch = ret;
+ }
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+ runtime->dma_bytes = totsize;
+
+ dma_desc = prtd->dma_desc_array;
+ next_desc_phys = prtd->dma_desc_array_phys;
+ dma_buff_phys = runtime->dma_addr;
+ do {
+ next_desc_phys += sizeof(pxa_dma_desc);
+ dma_desc->ddadr = next_desc_phys;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ dma_desc->dsadr = dma_buff_phys;
+ dma_desc->dtadr = prtd->params->dev_addr;
+ } else {
+ dma_desc->dsadr = prtd->params->dev_addr;
+ dma_desc->dtadr = dma_buff_phys;
+ }
+ if (period > totsize)
+ period = totsize;
+ dma_desc->dcmd = prtd->params->dcmd | period | DCMD_ENDIRQEN;
+ dma_desc++;
+ dma_buff_phys += period;
+ } while (totsize -= period);
+ dma_desc[-1].ddadr = prtd->dma_desc_array_phys;
+
+ return 0;
+}
+
+static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+
+ if (prtd && prtd->params)
+ *prtd->params->drcmr = 0;
+
+ if (prtd->dma_ch) {
+ snd_pcm_set_runtime_buffer(substream, NULL);
+ pxa_free_dma(prtd->dma_ch);
+ prtd->dma_ch = 0;
+ }
+
+ return 0;
+}
+
+static int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+
+ DCSR(prtd->dma_ch) &= ~DCSR_RUN;
+ DCSR(prtd->dma_ch) = 0;
+ DCMD(prtd->dma_ch) = 0;
+ *prtd->params->drcmr = prtd->dma_ch | DRCMR_MAPVLD;
+
+ return 0;
+}
+
+static int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ DDADR(prtd->dma_ch) = prtd->dma_desc_array_phys;
+ DCSR(prtd->dma_ch) = DCSR_RUN;
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ DCSR(prtd->dma_ch) &= ~DCSR_RUN;
+ break;
+
+ case SNDRV_PCM_TRIGGER_RESUME:
+ DCSR(prtd->dma_ch) |= DCSR_RUN;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ DDADR(prtd->dma_ch) = prtd->dma_desc_array_phys;
+ DCSR(prtd->dma_ch) |= DCSR_RUN;
+ break;
+
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t
+pxa2xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd = runtime->private_data;
+
+ dma_addr_t ptr = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ DSADR(prtd->dma_ch) : DTADR(prtd->dma_ch);
+ snd_pcm_uframes_t x = bytes_to_frames(runtime, ptr - runtime->dma_addr);
+
+ if (x == runtime->buffer_size)
+ x = 0;
+ return x;
+}
+
+static int pxa2xx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd;
+ int ret;
+
+ snd_soc_set_runtime_hwparams(substream, &pxa2xx_pcm_hardware);
+
+ /*
+ * For mysterious reasons (and despite what the manual says)
+ * playback samples are lost if the DMA count is not a multiple
+ * of the DMA burst size. Let's add a rule to enforce that.
+ */
+ ret = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
+ if (ret)
+ goto out;
+
+ ret = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
+ if (ret)
+ goto out;
+
+ prtd = kzalloc(sizeof(struct pxa2xx_runtime_data), GFP_KERNEL);
+ if (prtd == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ prtd->dma_desc_array =
+ dma_alloc_writecombine(substream->pcm->card->dev, PAGE_SIZE,
+ &prtd->dma_desc_array_phys, GFP_KERNEL);
+ if (!prtd->dma_desc_array) {
+ ret = -ENOMEM;
+ goto err1;
+ }
+
+ runtime->private_data = prtd;
+ return 0;
+
+ err1:
+ kfree(prtd);
+ out:
+ return ret;
+}
+
+static int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd = runtime->private_data;
+
+ dma_free_writecombine(substream->pcm->card->dev, PAGE_SIZE,
+ prtd->dma_desc_array, prtd->dma_desc_array_phys);
+ kfree(prtd);
+ return 0;
+}
+
+static int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ return dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+}
+
+struct snd_pcm_ops pxa2xx_pcm_ops = {
+ .open = pxa2xx_pcm_open,
+ .close = pxa2xx_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = pxa2xx_pcm_hw_params,
+ .hw_free = pxa2xx_pcm_hw_free,
+ .prepare = pxa2xx_pcm_prepare,
+ .trigger = pxa2xx_pcm_trigger,
+ .pointer = pxa2xx_pcm_pointer,
+ .mmap = pxa2xx_pcm_mmap,
+};
+
+static int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = pxa2xx_pcm_hardware.buffer_bytes_max;
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->area = dma_alloc_writecombine(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area)
+ return -ENOMEM;
+ buf->bytes = size;
+ return 0;
+}
+
+static void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+
+ dma_free_writecombine(pcm->card->dev, buf->bytes,
+ buf->area, buf->addr);
+ buf->area = NULL;
+ }
+}
+
+static u64 pxa2xx_pcm_dmamask = DMA_32BIT_MASK;
+
+int pxa2xx_pcm_new(struct snd_card *card, struct snd_soc_codec_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &pxa2xx_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = DMA_32BIT_MASK;
+
+ if (dai->playback.channels_min) {
+ ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+struct snd_soc_platform pxa2xx_soc_platform = {
+ .name = "pxa2xx-audio",
+ .pcm_ops = &pxa2xx_pcm_ops,
+ .pcm_new = pxa2xx_pcm_new,
+ .pcm_free = pxa2xx_pcm_free_dma_buffers,
+};
+
+EXPORT_SYMBOL_GPL(pxa2xx_soc_platform);
+
+MODULE_AUTHOR("Nicolas Pitre");
+MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-pcm.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-pcm.h
@@ -0,0 +1,48 @@
+/*
+ * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 30, 2004
+ * Copyright: MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _PXA2XX_PCM_H
+#define _PXA2XX_PCM_H
+
+struct pxa2xx_pcm_dma_params {
+ char *name; /* stream identifier */
+ u32 dcmd; /* DMA descriptor dcmd field */
+ volatile u32 *drcmr; /* the DMA request channel to use */
+ u32 dev_addr; /* device physical address for DMA */
+};
+
+struct pxa2xx_gpio {
+ u32 sys;
+ u32 rx;
+ u32 tx;
+ u32 clk;
+ u32 frm;
+};
+
+/* pxa2xx DAI ID's */
+#define PXA2XX_DAI_AC97_HIFI 0
+#define PXA2XX_DAI_AC97_AUX 1
+#define PXA2XX_DAI_AC97_MIC 2
+#define PXA2XX_DAI_I2S 0
+#define PXA2XX_DAI_SSP1 0
+#define PXA2XX_DAI_SSP2 1
+#define PXA2XX_DAI_SSP3 2
+
+extern struct snd_soc_cpu_dai pxa_ac97_dai[3];
+extern struct snd_soc_cpu_dai pxa_i2s_dai;
+extern struct snd_soc_cpu_dai pxa_ssp_dai[3];
+
+/* platform data */
+extern struct snd_soc_platform pxa2xx_soc_platform;
+extern struct snd_ac97_bus_ops pxa2xx_ac97_ops;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-ssp.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/pxa2xx-ssp.c
@@ -0,0 +1,767 @@
+/*
+ * pxa2xx-ssp.c -- ALSA Soc Audio Layer
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 12th Aug 2005 Initial version.
+ *
+ * TODO:
+ * o Fix master mode (bug)
+ * o Fix resume (bug)
+ * o Add support for other clocks
+ * o Test network mode for > 16bit sample size
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/ssp.h>
+
+#include "pxa2xx-pcm.h"
+
+/*
+ * SSP sysclock frequency in Hz
+ * Neither default pxa2xx PLL clocks are good for audio, hence pxa27x
+ * has audio clock. I would recommend using the pxa27x audio clock or an
+ * external clock or making the codec master to gurantee better sample rates.
+ */
+#ifdef CONFIG_PXA27x
+static int sysclk[3] = {13000000, 13000000, 13000000};
+#else
+static int sysclk[3] = {1843200, 1843200, 1843200};
+#endif
+module_param_array(sysclk, int, NULL, 0);
+MODULE_PARM_DESC(sysclk, "sysclk frequency in Hz");
+
+/*
+ * SSP sysclock source.
+ * sysclk is ignored if audio clock is used
+ */
+#ifdef CONFIG_PXA27x
+static int clksrc[3] = {0, 0, 0};
+#else
+static int clksrc[3] = {0, 0, 0};
+#endif
+module_param_array(clksrc, int, NULL, 0);
+MODULE_PARM_DESC(clksrc,
+ "sysclk source, 0 = internal PLL, 1 = ext, 2 = network, 3 = audio clock");
+
+/*
+ * SSP GPIO's
+ */
+#define GPIO26_SSP1RX_MD (26 | GPIO_ALT_FN_1_IN)
+#define GPIO25_SSP1TX_MD (25 | GPIO_ALT_FN_2_OUT)
+#define GPIO23_SSP1CLKS_MD (23 | GPIO_ALT_FN_2_IN)
+#define GPIO24_SSP1FRMS_MD (24 | GPIO_ALT_FN_2_IN)
+#define GPIO23_SSP1CLKM_MD (23 | GPIO_ALT_FN_2_OUT)
+#define GPIO24_SSP1FRMM_MD (24 | GPIO_ALT_FN_2_OUT)
+
+#define GPIO11_SSP2RX_MD (11 | GPIO_ALT_FN_2_IN)
+#define GPIO13_SSP2TX_MD (13 | GPIO_ALT_FN_1_OUT)
+#define GPIO22_SSP2CLKS_MD (22 | GPIO_ALT_FN_3_IN)
+#define GPIO88_SSP2FRMS_MD (88 | GPIO_ALT_FN_3_IN)
+#define GPIO22_SSP2CLKM_MD (22 | GPIO_ALT_FN_3_OUT)
+#define GPIO88_SSP2FRMM_MD (88 | GPIO_ALT_FN_3_OUT)
+
+#define GPIO82_SSP3RX_MD (82 | GPIO_ALT_FN_1_IN)
+#define GPIO81_SSP3TX_MD (81 | GPIO_ALT_FN_1_OUT)
+#define GPIO84_SSP3CLKS_MD (84 | GPIO_ALT_FN_1_IN)
+#define GPIO83_SSP3FRMS_MD (83 | GPIO_ALT_FN_1_IN)
+#define GPIO84_SSP3CLKM_MD (84 | GPIO_ALT_FN_1_OUT)
+#define GPIO83_SSP3FRMM_MD (83 | GPIO_ALT_FN_1_OUT)
+
+#define PXA_SSP_MDAIFMT \
+ (SND_SOC_DAIFMT_DSP_B |SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_CBM_CFS | \
+ SND_SOC_DAIFMT_CBS_CFM | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF)
+
+#define PXA_SSP_SDAIFMT \
+ (SND_SOC_DAIFMT_DSP_B |SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_CBM_CFS | \
+ SND_SOC_DAIFMT_CBS_CFM | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF)
+
+#define PXA_SSP_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define PXA_SSP_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \
+ SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
+
+#define PXA_SSP_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+/*
+ * SSP modes
+ */
+static struct snd_soc_dai_mode pxa2xx_ssp_modes[] = {
+ /* port slave clk & frame modes */
+ {
+ .fmt = PXA_SSP_SDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = PXA_SSP_RATES,
+ .pcmdir = PXA_SSP_DIR,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+
+ /* port master clk & frame modes */
+#ifdef CONFIG_PXA27x
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_11025,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_22050,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 256,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 128,
+ .bfs = SND_SOC_FSBW(1),
+ },
+ {
+ .fmt = PXA_SSP_MDAIFMT,
+ .pcmfmt = PXA_SSP_BITS,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = PXA_SSP_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = 128,
+ .bfs = SND_SOC_FSBW(1),
+ },
+#endif
+};
+
+static struct ssp_dev ssp[3];
+#ifdef CONFIG_PM
+static struct ssp_state ssp_state[3];
+#endif
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_mono_out = {
+ .name = "SSP1 PCM Mono out",
+ .dev_addr = __PREG(SSDR_P1),
+ .drcmr = &DRCMRTXSSDR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_mono_in = {
+ .name = "SSP1 PCM Mono in",
+ .dev_addr = __PREG(SSDR_P1),
+ .drcmr = &DRCMRRXSSDR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_stereo_out = {
+ .name = "SSP1 PCM Stereo out",
+ .dev_addr = __PREG(SSDR_P1),
+ .drcmr = &DRCMRTXSSDR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp1_pcm_stereo_in = {
+ .name = "SSP1 PCM Stereo in",
+ .dev_addr = __PREG(SSDR_P1),
+ .drcmr = &DRCMRRXSSDR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_mono_out = {
+ .name = "SSP2 PCM Mono out",
+ .dev_addr = __PREG(SSDR_P2),
+ .drcmr = &DRCMRTXSS2DR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_mono_in = {
+ .name = "SSP2 PCM Mono in",
+ .dev_addr = __PREG(SSDR_P2),
+ .drcmr = &DRCMRRXSS2DR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_stereo_out = {
+ .name = "SSP2 PCM Stereo out",
+ .dev_addr = __PREG(SSDR_P2),
+ .drcmr = &DRCMRTXSS2DR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp2_pcm_stereo_in = {
+ .name = "SSP2 PCM Stereo in",
+ .dev_addr = __PREG(SSDR_P2),
+ .drcmr = &DRCMRRXSS2DR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_mono_out = {
+ .name = "SSP3 PCM Mono out",
+ .dev_addr = __PREG(SSDR_P3),
+ .drcmr = &DRCMRTXSS3DR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_mono_in = {
+ .name = "SSP3 PCM Mono in",
+ .dev_addr = __PREG(SSDR_P3),
+ .drcmr = &DRCMRRXSS3DR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_stereo_out = {
+ .name = "SSP3 PCM Stereo out",
+ .dev_addr = __PREG(SSDR_P3),
+ .drcmr = &DRCMRTXSS3DR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ssp3_pcm_stereo_in = {
+ .name = "SSP3 PCM Stereo in",
+ .dev_addr = __PREG(SSDR_P3),
+ .drcmr = &DRCMRRXSS3DR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params *ssp_dma_params[3][4] = {
+ {&pxa2xx_ssp1_pcm_mono_out, &pxa2xx_ssp1_pcm_mono_in,
+ &pxa2xx_ssp1_pcm_stereo_out,&pxa2xx_ssp1_pcm_stereo_in,},
+ {&pxa2xx_ssp2_pcm_mono_out, &pxa2xx_ssp2_pcm_mono_in,
+ &pxa2xx_ssp2_pcm_stereo_out, &pxa2xx_ssp2_pcm_stereo_in,},
+ {&pxa2xx_ssp3_pcm_mono_out, &pxa2xx_ssp3_pcm_mono_in,
+ &pxa2xx_ssp3_pcm_stereo_out,&pxa2xx_ssp3_pcm_stereo_in,},
+};
+
+static struct pxa2xx_gpio ssp_gpios[3][4] = {
+ {{ /* SSP1 SND_SOC_DAIFMT_CBM_CFM */
+ .rx = GPIO26_SSP1RX_MD,
+ .tx = GPIO25_SSP1TX_MD,
+ .clk = (23 | GPIO_ALT_FN_2_IN),
+ .frm = (24 | GPIO_ALT_FN_2_IN),
+ },
+ { /* SSP1 SND_SOC_DAIFMT_CBS_CFS */
+ .rx = GPIO26_SSP1RX_MD,
+ .tx = GPIO25_SSP1TX_MD,
+ .clk = (23 | GPIO_ALT_FN_2_OUT),
+ .frm = (24 | GPIO_ALT_FN_2_OUT),
+ },
+ { /* SSP1 SND_SOC_DAIFMT_CBS_CFM */
+ .rx = GPIO26_SSP1RX_MD,
+ .tx = GPIO25_SSP1TX_MD,
+ .clk = (23 | GPIO_ALT_FN_2_OUT),
+ .frm = (24 | GPIO_ALT_FN_2_IN),
+ },
+ { /* SSP1 SND_SOC_DAIFMT_CBM_CFS */
+ .rx = GPIO26_SSP1RX_MD,
+ .tx = GPIO25_SSP1TX_MD,
+ .clk = (23 | GPIO_ALT_FN_2_IN),
+ .frm = (24 | GPIO_ALT_FN_2_OUT),
+ }},
+ {{ /* SSP2 SND_SOC_DAIFMT_CBM_CFM */
+ .rx = GPIO11_SSP2RX_MD,
+ .tx = GPIO13_SSP2TX_MD,
+ .clk = (22 | GPIO_ALT_FN_3_IN),
+ .frm = (88 | GPIO_ALT_FN_3_IN),
+ },
+ { /* SSP2 SND_SOC_DAIFMT_CBS_CFS */
+ .rx = GPIO11_SSP2RX_MD,
+ .tx = GPIO13_SSP2TX_MD,
+ .clk = (22 | GPIO_ALT_FN_3_OUT),
+ .frm = (88 | GPIO_ALT_FN_3_OUT),
+ },
+ { /* SSP2 SND_SOC_DAIFMT_CBS_CFM */
+ .rx = GPIO11_SSP2RX_MD,
+ .tx = GPIO13_SSP2TX_MD,
+ .clk = (22 | GPIO_ALT_FN_3_OUT),
+ .frm = (88 | GPIO_ALT_FN_3_IN),
+ },
+ { /* SSP2 SND_SOC_DAIFMT_CBM_CFS */
+ .rx = GPIO11_SSP2RX_MD,
+ .tx = GPIO13_SSP2TX_MD,
+ .clk = (22 | GPIO_ALT_FN_3_IN),
+ .frm = (88 | GPIO_ALT_FN_3_OUT),
+ }},
+ {{ /* SSP3 SND_SOC_DAIFMT_CBM_CFM */
+ .rx = GPIO82_SSP3RX_MD,
+ .tx = GPIO81_SSP3TX_MD,
+ .clk = (84 | GPIO_ALT_FN_3_IN),
+ .frm = (83 | GPIO_ALT_FN_3_IN),
+ },
+ { /* SSP3 SND_SOC_DAIFMT_CBS_CFS */
+ .rx = GPIO82_SSP3RX_MD,
+ .tx = GPIO81_SSP3TX_MD,
+ .clk = (84 | GPIO_ALT_FN_3_OUT),
+ .frm = (83 | GPIO_ALT_FN_3_OUT),
+ },
+ { /* SSP3 SND_SOC_DAIFMT_CBS_CFM */
+ .rx = GPIO82_SSP3RX_MD,
+ .tx = GPIO81_SSP3TX_MD,
+ .clk = (84 | GPIO_ALT_FN_3_OUT),
+ .frm = (83 | GPIO_ALT_FN_3_IN),
+ },
+ { /* SSP3 SND_SOC_DAIFMT_CBM_CFS */
+ .rx = GPIO82_SSP3RX_MD,
+ .tx = GPIO81_SSP3TX_MD,
+ .clk = (84 | GPIO_ALT_FN_3_IN),
+ .frm = (83 | GPIO_ALT_FN_3_OUT),
+ }},
+};
+
+static int pxa2xx_ssp_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int ret = 0;
+
+ if (!rtd->cpu_dai->active) {
+ ret = ssp_init (&ssp[rtd->cpu_dai->id], rtd->cpu_dai->id + 1,
+ SSP_NO_IRQ);
+ if (ret < 0)
+ return ret;
+ ssp_disable(&ssp[rtd->cpu_dai->id]);
+ }
+ return ret;
+}
+
+static void pxa2xx_ssp_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (!rtd->cpu_dai->active) {
+ ssp_disable(&ssp[rtd->cpu_dai->id]);
+ ssp_exit(&ssp[rtd->cpu_dai->id]);
+ }
+}
+
+#ifdef CONFIG_PM
+
+#if defined (CONFIG_PXA27x)
+static int cken[3] = {CKEN23_SSP1, CKEN3_SSP2, CKEN4_SSP3};
+#else
+static int cken[3] = {CKEN3_SSP, CKEN9_NSSP, CKEN10_ASSP};
+#endif
+
+static int pxa2xx_ssp_suspend(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if (!dai->active)
+ return 0;
+
+ ssp_save_state(&ssp[dai->id], &ssp_state[dai->id]);
+ pxa_set_cken(cken[dai->id], 0);
+ return 0;
+}
+
+static int pxa2xx_ssp_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if (!dai->active)
+ return 0;
+
+ pxa_set_cken(cken[dai->id], 1);
+ ssp_restore_state(&ssp[dai->id], &ssp_state[dai->id]);
+ ssp_enable(&ssp[dai->id]);
+
+ return 0;
+}
+
+#else
+#define pxa2xx_ssp_suspend NULL
+#define pxa2xx_ssp_resume NULL
+#endif
+
+/* todo - check clk source and PLL before returning clock rate */
+static unsigned int pxa_ssp_config_sysclk(struct snd_soc_cpu_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ /* audio clock ? (divide by 1) */
+ if (clksrc[dai->id] == 3) {
+ switch(info->rate){
+ case 8000:
+ case 16000:
+ case 32000:
+ case 48000:
+ case 96000:
+ return 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ return 11289600;
+ break;
+ }
+ }
+
+ /* pll */
+ return sysclk[dai->id];
+}
+
+#ifdef CONFIG_PXA27x
+static u32 pxa27x_set_audio_clk(unsigned int rate, unsigned int fs)
+{
+ u32 aclk = 0, div = 0;
+
+ if (rate == 0 || fs == 0)
+ return 0;
+
+ switch(rate){
+ case 8000:
+ case 16000:
+ case 32000:
+ case 48000:
+ case 96000:
+ aclk = 0x2 << 4;
+ div = 12288000 / (rate * fs);
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ aclk = 0x1 << 4;
+ div = 11289600 / (rate * fs);
+ break;
+ }
+
+ aclk |= ffs(div) - 1;
+ return aclk;
+}
+#endif
+
+static inline int get_scr(int srate, int id)
+{
+ if (srate == 0)
+ return 0;
+ return (sysclk[id] / srate) - 1;
+}
+
+static int pxa2xx_ssp_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int fmt = 0, dma = 0, fs, chn = params_channels(params);
+ u32 ssp_mode = 0, ssp_setup = 0, psp_mode = 0, rate = 0;
+
+ fs = rtd->cpu_dai->dai_runtime.fs;
+
+ /* select correct DMA params */
+ if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
+ dma = 1;
+ if (chn == 2 || rtd->cpu_dai->dai_runtime.pcmfmt != PXA_SSP_BITS)
+ dma += 2;
+ rtd->cpu_dai->dma_data = ssp_dma_params[rtd->cpu_dai->id][dma];
+
+ /* is port used by another stream */
+ if (SSCR0 & SSCR0_SSE)
+ return 0;
+
+ /* bit size */
+ switch(rtd->cpu_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ ssp_mode |=SSCR0_DataSize(16);
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ ssp_mode |=(SSCR0_EDSS | SSCR0_DataSize(8));
+ /* use network mode for stereo samples > 16 bits */
+ if (chn == 2) {
+ ssp_mode |= (SSCR0_MOD | SSCR0_SlotsPerFrm(2) << 24);
+ /* active slots 0,1 */
+ SSTSA_P(rtd->cpu_dai->id +1) = 0x3;
+ SSRSA_P(rtd->cpu_dai->id +1) = 0x3;
+ }
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ ssp_mode |= (SSCR0_EDSS | SSCR0_DataSize(16));
+ /* use network mode for stereo samples > 16 bits */
+ if (chn == 2) {
+ ssp_mode |= (SSCR0_MOD | SSCR0_SlotsPerFrm(2) << 24);
+ /* active slots 0,1 */
+ SSTSA_P(rtd->cpu_dai->id +1) = 0x3;
+ SSRSA_P(rtd->cpu_dai->id +1) = 0x3;
+ }
+ break;
+ }
+
+ ssp_mode |= SSCR0_PSP;
+ ssp_setup = SSCR1_RxTresh(14) | SSCR1_TxTresh(1) |
+ SSCR1_TRAIL | SSCR1_RWOT;
+
+ switch(rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ ssp_setup |= (SSCR1_SCLKDIR | SSCR1_SFRMDIR);
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ ssp_setup |= SSCR1_SCLKDIR;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ ssp_setup |= SSCR1_SFRMDIR;
+ break;
+ }
+
+ switch(rtd->cpu_dai->dai_runtime.fmt) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ fmt = 1;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ fmt = 2;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ fmt = 3;
+ break;
+ }
+
+ pxa_gpio_mode(ssp_gpios[rtd->cpu_dai->id][fmt].rx);
+ pxa_gpio_mode(ssp_gpios[rtd->cpu_dai->id][fmt].tx);
+ pxa_gpio_mode(ssp_gpios[rtd->cpu_dai->id][fmt].frm);
+ pxa_gpio_mode(ssp_gpios[rtd->cpu_dai->id][fmt].clk);
+
+ switch (rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ psp_mode |= SSPSP_SFRMP | SSPSP_FSRT;
+ break;
+ }
+
+ if (rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_DSP_A)
+ psp_mode |= SSPSP_SCMODE(2);
+ if (rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_DSP_B)
+ psp_mode |= SSPSP_SCMODE(3);
+
+ switch(clksrc[rtd->cpu_dai->id]) {
+ case 2: /* network clock */
+ ssp_mode |= SSCR0_NCS | SSCR0_MOD;
+ case 1: /* external clock */
+ ssp_mode |= SSCR0_ECS;
+ case 0: /* internal clock */
+ rate = get_scr(snd_soc_get_rate(rtd->cpu_dai->dai_runtime.pcmrate),
+ rtd->cpu_dai->id);
+ break;
+#ifdef CONFIG_PXA27x
+ case 3: /* audio clock */
+ ssp_mode |= (1 << 30);
+ SSACD_P(rtd->cpu_dai->id) = (0x1 << 3) |
+ pxa27x_set_audio_clk(
+ snd_soc_get_rate(rtd->cpu_dai->dai_runtime.pcmrate), fs);
+ break;
+#endif
+ }
+
+ ssp_config(&ssp[rtd->cpu_dai->id], ssp_mode, ssp_setup, psp_mode,
+ SSCR0_SerClkDiv(rate));
+#if 0
+ printk("SSCR0 %x SSCR1 %x SSTO %x SSPSP %x SSSR %x\n",
+ SSCR0_P(rtd->cpu_dai->id+1), SSCR1_P(rtd->cpu_dai->id+1),
+ SSTO_P(rtd->cpu_dai->id+1), SSPSP_P(rtd->cpu_dai->id+1),
+ SSSR_P(rtd->cpu_dai->id+1));
+#endif
+ return 0;
+}
+
+static int pxa2xx_ssp_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_RESUME:
+ ssp_enable(&ssp[rtd->cpu_dai->id]);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSCR1_P(rtd->cpu_dai->id+1) |= SSCR1_TSRE;
+ else
+ SSCR1_P(rtd->cpu_dai->id+1) |= SSCR1_RSRE;
+ SSSR_P(rtd->cpu_dai->id+1) |= SSSR_P(rtd->cpu_dai->id+1);
+ break;
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSCR1_P(rtd->cpu_dai->id+1) |= SSCR1_TSRE;
+ else
+ SSCR1_P(rtd->cpu_dai->id+1) |= SSCR1_RSRE;
+ ssp_enable(&ssp[rtd->cpu_dai->id]);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSCR1_P(rtd->cpu_dai->id+1) &= ~SSCR1_TSRE;
+ else
+ SSCR1_P(rtd->cpu_dai->id+1) &= ~SSCR1_RSRE;
+ break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ ssp_disable(&ssp[rtd->cpu_dai->id]);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSCR1_P(rtd->cpu_dai->id+1) &= ~SSCR1_TSRE;
+ else
+ SSCR1_P(rtd->cpu_dai->id+1) &= ~SSCR1_RSRE;
+ break;
+
+ default:
+ ret = -EINVAL;
+ }
+#if 0
+ printk("SSCR0 %x SSCR1 %x SSTO %x SSPSP %x SSSR %x\n",
+ SSCR0_P(rtd->cpu_dai->id+1), SSCR1_P(rtd->cpu_dai->id+1),
+ SSTO_P(rtd->cpu_dai->id+1), SSPSP_P(rtd->cpu_dai->id+1),
+ SSSR_P(rtd->cpu_dai->id+1));
+#endif
+ return ret;
+}
+
+struct snd_soc_cpu_dai pxa_ssp_dai[] = {
+ { .name = "pxa2xx-ssp1",
+ .id = 0,
+ .type = SND_SOC_DAI_PCM,
+ .suspend = pxa2xx_ssp_suspend,
+ .resume = pxa2xx_ssp_resume,
+ .config_sysclk = pxa_ssp_config_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = pxa2xx_ssp_startup,
+ .shutdown = pxa2xx_ssp_shutdown,
+ .trigger = pxa2xx_ssp_trigger,
+ .hw_params = pxa2xx_ssp_hw_params,},
+ .caps = {
+ .mode = pxa2xx_ssp_modes,
+ .num_modes = ARRAY_SIZE(pxa2xx_ssp_modes),},
+ },
+ { .name = "pxa2xx-ssp2",
+ .id = 1,
+ .type = SND_SOC_DAI_PCM,
+ .suspend = pxa2xx_ssp_suspend,
+ .resume = pxa2xx_ssp_resume,
+ .config_sysclk = pxa_ssp_config_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = pxa2xx_ssp_startup,
+ .shutdown = pxa2xx_ssp_shutdown,
+ .trigger = pxa2xx_ssp_trigger,
+ .hw_params = pxa2xx_ssp_hw_params,},
+ .caps = {
+ .mode = pxa2xx_ssp_modes,
+ .num_modes = ARRAY_SIZE(pxa2xx_ssp_modes),},
+ },
+ { .name = "pxa2xx-ssp3",
+ .id = 2,
+ .type = SND_SOC_DAI_PCM,
+ .suspend = pxa2xx_ssp_suspend,
+ .resume = pxa2xx_ssp_resume,
+ .config_sysclk = pxa_ssp_config_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = pxa2xx_ssp_startup,
+ .shutdown = pxa2xx_ssp_shutdown,
+ .trigger = pxa2xx_ssp_trigger,
+ .hw_params = pxa2xx_ssp_hw_params,},
+ .caps = {
+ .mode = pxa2xx_ssp_modes,
+ .num_modes = ARRAY_SIZE(pxa2xx_ssp_modes),},
+ },
+};
+
+EXPORT_SYMBOL_GPL(pxa_ssp_dai);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("pxa2xx SSP/PCM SoC Interface");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/spitz.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/spitz.c
@@ -0,0 +1,374 @@
+/*
+ * spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 30th Nov 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/scoop.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/akita.h>
+#include <asm/arch/spitz.h>
+#include <asm/mach-types.h>
+#include "../codecs/wm8750.h"
+#include "pxa2xx-pcm.h"
+
+#define SPITZ_HP 0
+#define SPITZ_MIC 1
+#define SPITZ_LINE 2
+#define SPITZ_HEADSET 3
+#define SPITZ_HP_OFF 4
+#define SPITZ_SPK_ON 0
+#define SPITZ_SPK_OFF 1
+
+ /* audio clock in Hz - rounded from 12.235MHz */
+#define SPITZ_AUDIO_CLOCK 12288000
+
+static int spitz_jack_func;
+static int spitz_spk_func;
+
+static void spitz_ext_control(struct snd_soc_codec *codec)
+{
+ if (spitz_spk_func == SPITZ_SPK_ON)
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", 1);
+ else
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", 0);
+
+ /* set up jack connection */
+ switch (spitz_jack_func) {
+ case SPITZ_HP:
+ /* enable and unmute hp jack, disable mic bias */
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
+ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_MIC:
+ /* enable mic jack and bias, mute hp */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_LINE:
+ /* enable line jack, disable mic bias and mute hp */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 1);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_HEADSET:
+ /* enable and unmute headset jack enable mic bias, mute L hp */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 1);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_HP_OFF:
+
+ /* jack removed, everything off */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ }
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int spitz_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ spitz_ext_control(codec);
+ return 0;
+}
+
+static struct snd_soc_ops spitz_ops = {
+ .startup = spitz_startup,
+};
+
+static int spitz_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = spitz_jack_func;
+ return 0;
+}
+
+static int spitz_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (spitz_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ spitz_jack_func = ucontrol->value.integer.value[0];
+ spitz_ext_control(codec);
+ return 1;
+}
+
+static int spitz_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = spitz_spk_func;
+ return 0;
+}
+
+static int spitz_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (spitz_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ spitz_spk_func = ucontrol->value.integer.value[0];
+ spitz_ext_control(codec);
+ return 1;
+}
+
+static int spitz_mic_bias(struct snd_soc_dapm_widget *w, int event)
+{
+ if (machine_is_borzoi() || machine_is_spitz()) {
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&spitzscoop2_device.dev,
+ SPITZ_SCP2_MIC_BIAS);
+ else
+ reset_scoop_gpio(&spitzscoop2_device.dev,
+ SPITZ_SCP2_MIC_BIAS);
+ }
+
+ if (machine_is_akita()) {
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ akita_set_ioexp(&akitaioexp_device.dev,
+ AKITA_IOEXP_MIC_BIAS);
+ else
+ akita_reset_ioexp(&akitaioexp_device.dev,
+ AKITA_IOEXP_MIC_BIAS);
+ }
+ return 0;
+}
+
+/* spitz machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+ SND_SOC_DAPM_LINE("Line Jack", NULL),
+
+ /* headset is a mic and mono headphone */
+ SND_SOC_DAPM_HP("Headset Jack", NULL),
+};
+
+/* Spitz machine audio_map */
+static const char *audio_map[][3] = {
+
+ /* headphone connected to LOUT1, ROUT1 */
+ {"Headphone Jack", NULL, "LOUT1"},
+ {"Headphone Jack", NULL, "ROUT1"},
+
+ /* headset connected to ROUT1 and LINPUT1 with bias (def below) */
+ {"Headset Jack", NULL, "ROUT1"},
+
+ /* ext speaker connected to LOUT2, ROUT2 */
+ {"Ext Spk", NULL , "ROUT2"},
+ {"Ext Spk", NULL , "LOUT2"},
+
+ /* mic is connected to input 1 - with bias */
+ {"LINPUT1", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic Jack"},
+
+ /* line is connected to input 1 - no bias */
+ {"LINPUT1", NULL, "Line Jack"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
+ "Off"};
+static const char *spk_function[] = {"On", "Off"};
+static const struct soc_enum spitz_enum[] = {
+ SOC_ENUM_SINGLE_EXT(5, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
+ SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
+ spitz_set_jack),
+ SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
+ spitz_set_spk),
+};
+
+/*
+ * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
+ */
+static int spitz_wm8750_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ /* NC codec pins */
+ snd_soc_dapm_set_endpoint(codec, "RINPUT1", 0);
+ snd_soc_dapm_set_endpoint(codec, "LINPUT2", 0);
+ snd_soc_dapm_set_endpoint(codec, "RINPUT2", 0);
+ snd_soc_dapm_set_endpoint(codec, "LINPUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "RINPUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "MONO", 0);
+
+ /* Add spitz specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* Add spitz specific widgets */
+ for (i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]);
+ }
+
+ /* Set up spitz specific audio path audio_map */
+ for (i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+static unsigned int spitz_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ if (info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
+ /* pxa2xx is i2s master */
+ switch (info->rate) {
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ /* configure codec digital filters
+ * for 11.025, 22.05, 44.1, 88.2 */
+ rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ 11289600);
+ break;
+ default:
+ /* configure codec digital filters for all other rates */
+ rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ SPITZ_AUDIO_CLOCK);
+ break;
+ }
+ /* configure pxa2xx i2s interface clocks as master */
+ return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
+ SPITZ_AUDIO_CLOCK);
+ } else {
+ /* codec is i2s master - only configure codec DAI clock */
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
+ SPITZ_AUDIO_CLOCK);
+ }
+}
+
+/* spitz digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link spitz_dai = {
+ .name = "wm8750",
+ .stream_name = "WM8750",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8750_dai,
+ .init = spitz_wm8750_init,
+ .config_sysclk = spitz_config_sysclk,
+};
+
+/* spitz audio machine driver */
+static struct snd_soc_machine snd_soc_machine_spitz = {
+ .name = "Spitz",
+ .dai_link = &spitz_dai,
+ .num_links = 1,
+ .ops = &spitz_ops,
+};
+
+/* spitz audio private data */
+static struct wm8750_setup_data spitz_wm8750_setup = {
+ .i2c_address = 0x1b,
+};
+
+/* spitz audio subsystem */
+static struct snd_soc_device spitz_snd_devdata = {
+ .machine = &snd_soc_machine_spitz,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8750,
+ .codec_data = &spitz_wm8750_setup,
+};
+
+static struct platform_device *spitz_snd_device;
+
+static int __init spitz_init(void)
+{
+ int ret;
+
+ if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita()))
+ return -ENODEV;
+
+ spitz_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!spitz_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
+ spitz_snd_devdata.dev = &spitz_snd_device->dev;
+ ret = platform_device_add(spitz_snd_device);
+
+ if (ret)
+ platform_device_put(spitz_snd_device);
+
+ return ret;
+}
+
+static void __exit spitz_exit(void)
+{
+ platform_device_unregister(spitz_snd_device);
+}
+
+module_init(spitz_init);
+module_exit(spitz_exit);
+
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Spitz");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/pxa/tosa.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/pxa/tosa.c
@@ -0,0 +1,287 @@
+/*
+ * tosa.c -- SoC audio for Tosa
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 30th Nov 2005 Initial version.
+ *
+ * GPIO's
+ * 1 - Jack Insertion
+ * 5 - Hookswitch (headset answer/hang up switch)
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/tmio.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/tosa.h>
+
+#include "../codecs/wm9712.h"
+#include "pxa2xx-pcm.h"
+
+static struct snd_soc_machine tosa;
+
+#define TOSA_HP 0
+#define TOSA_MIC_INT 1
+#define TOSA_HEADSET 2
+#define TOSA_HP_OFF 3
+#define TOSA_SPK_ON 0
+#define TOSA_SPK_OFF 1
+
+static int tosa_jack_func;
+static int tosa_spk_func;
+
+static void tosa_ext_control(struct snd_soc_codec *codec)
+{
+ int spk = 0, mic_int = 0, hp = 0, hs = 0;
+
+ /* set up jack connection */
+ switch (tosa_jack_func) {
+ case TOSA_HP:
+ hp = 1;
+ break;
+ case TOSA_MIC_INT:
+ mic_int = 1;
+ break;
+ case TOSA_HEADSET:
+ hs = 1;
+ break;
+ }
+
+ if (tosa_spk_func == TOSA_SPK_ON)
+ spk = 1;
+
+ snd_soc_dapm_set_endpoint(codec, "Speaker", spk);
+ snd_soc_dapm_set_endpoint(codec, "Mic (Internal)", mic_int);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs);
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int tosa_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ tosa_ext_control(codec);
+ return 0;
+}
+
+static struct snd_soc_ops tosa_ops = {
+ .startup = tosa_startup,
+};
+
+static int tosa_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = tosa_jack_func;
+ return 0;
+}
+
+static int tosa_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (tosa_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ tosa_jack_func = ucontrol->value.integer.value[0];
+ tosa_ext_control(codec);
+ return 1;
+}
+
+static int tosa_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = tosa_spk_func;
+ return 0;
+}
+
+static int tosa_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (tosa_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ tosa_spk_func = ucontrol->value.integer.value[0];
+ tosa_ext_control(codec);
+ return 1;
+}
+
+/* tosa dapm event handlers */
+static int tosa_hp_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
+ else
+ reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
+ return 0;
+}
+
+/* tosa machine dapm widgets */
+static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
+SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
+SND_SOC_DAPM_HP("Headset Jack", NULL),
+SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
+SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+/* tosa audio map */
+static const char *audio_map[][3] = {
+
+ /* headphone connected to HPOUTL, HPOUTR */
+ {"Headphone Jack", NULL, "HPOUTL"},
+ {"Headphone Jack", NULL, "HPOUTR"},
+
+ /* ext speaker connected to LOUT2, ROUT2 */
+ {"Speaker", NULL, "LOUT2"},
+ {"Speaker", NULL, "ROUT2"},
+
+ /* internal mic is connected to mic1, mic2 differential - with bias */
+ {"MIC1", NULL, "Mic Bias"},
+ {"MIC2", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic (Internal)"},
+
+ /* headset is connected to HPOUTR, and LINEINR with bias */
+ {"Headset Jack", NULL, "HPOUTR"},
+ {"LINEINR", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Headset Jack"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
+ "Off"};
+static const char *spk_function[] = {"On", "Off"};
+static const struct soc_enum tosa_enum[] = {
+ SOC_ENUM_SINGLE_EXT(5, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const struct snd_kcontrol_new tosa_controls[] = {
+ SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
+ tosa_set_jack),
+ SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
+ tosa_set_spk),
+};
+
+static int tosa_ac97_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "MONOOUT", 0);
+
+ /* add tosa specific controls */
+ for (i = 0; i < ARRAY_SIZE(tosa_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&tosa_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* add tosa specific widgets */
+ for (i = 0; i < ARRAY_SIZE(tosa_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &tosa_dapm_widgets[i]);
+ }
+
+ /* set up tosa specific audio path audio_map */
+ for (i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+static struct snd_soc_dai_link tosa_dai[] = {
+{
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
+ .init = tosa_ac97_init,
+},
+{
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
+},
+};
+
+static struct snd_soc_machine tosa = {
+ .name = "Tosa",
+ .dai_link = tosa_dai,
+ .num_links = ARRAY_SIZE(tosa_dai),
+ .ops = &tosa_ops,
+};
+
+static struct snd_soc_device tosa_snd_devdata = {
+ .machine = &tosa,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm9712,
+};
+
+static struct platform_device *tosa_snd_device;
+
+static int __init tosa_init(void)
+{
+ int ret;
+
+ if (!machine_is_tosa())
+ return -ENODEV;
+
+ tosa_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!tosa_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata);
+ tosa_snd_devdata.dev = &tosa_snd_device->dev;
+ ret = platform_device_add(tosa_snd_device);
+
+ if (ret)
+ platform_device_put(tosa_snd_device);
+
+ return ret;
+}
+
+static void __exit tosa_exit(void)
+{
+ platform_device_unregister(tosa_snd_device);
+}
+
+module_init(tosa_init);
+module_exit(tosa_exit);
+
+/* Module information */
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Tosa");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/soc-dapm.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/soc-dapm.c
@@ -0,0 +1,1327 @@
+/*
+ * soc-dapm.c -- ALSA SoC Dynamic Audio Power Management
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 12th Aug 2005 Initial version.
+ * 25th Oct 2005 Implemented path power domain.
+ * 18th Dec 2005 Implemented machine and stream level power domain.
+ *
+ * Features:
+ * o Changes power status of internal codec blocks depending on the
+ * dynamic configuration of codec internal audio paths and active
+ * DAC's/ADC's.
+ * o Platform power domain - can support external components i.e. amps and
+ * mic/meadphone insertion events.
+ * o Automatic Mic Bias support
+ * o Jack insertion power event initiation - e.g. hp insertion will enable
+ * sinks, dacs, etc
+ * o Delayed powerdown of audio susbsytem to reduce pops between a quick
+ * device reopen.
+ *
+ * Todo:
+ * o DAPM power change sequencing - allow for configurable per
+ * codec sequences.
+ * o Support for analogue bias optimisation.
+ * o Support for reduced codec oversampling rates.
+ * o Support for reduced codec bias currents.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/bitops.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+/* debug */
+#define DAPM_DEBUG 0
+#if DAPM_DEBUG
+#define dump_dapm(codec, action) dbg_dump_dapm(codec, action)
+#define dbg(format, arg...) printk(format, ## arg)
+#else
+#define dump_dapm(codec, action)
+#define dbg(format, arg...)
+#endif
+
+#define POP_DEBUG 0
+#if POP_DEBUG
+#define POP_TIME 500 /* 500 msecs - change if pop debug is too fast */
+#define pop_wait(time) schedule_timeout_interruptible(msecs_to_jiffies(time))
+#define pop_dbg(format, arg...) printk(format, ## arg); pop_wait(POP_TIME)
+#else
+#define pop_dbg(format, arg...)
+#define pop_wait(time)
+#endif
+
+/* dapm power sequences - make this per codec in the future */
+static int dapm_up_seq[] = {
+ snd_soc_dapm_pre, snd_soc_dapm_micbias, snd_soc_dapm_mic,
+ snd_soc_dapm_mux, snd_soc_dapm_dac, snd_soc_dapm_mixer, snd_soc_dapm_pga,
+ snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, snd_soc_dapm_post
+};
+static int dapm_down_seq[] = {
+ snd_soc_dapm_pre, snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk,
+ snd_soc_dapm_pga, snd_soc_dapm_mixer, snd_soc_dapm_dac, snd_soc_dapm_mic,
+ snd_soc_dapm_micbias, snd_soc_dapm_mux, snd_soc_dapm_post
+};
+
+static int dapm_status = 1;
+module_param(dapm_status, int, 0);
+MODULE_PARM_DESC(dapm_status, "enable DPM sysfs entries");
+
+/* create a new dapm widget */
+static struct snd_soc_dapm_widget *dapm_cnew_widget(
+ const struct snd_soc_dapm_widget *_widget)
+{
+ struct snd_soc_dapm_widget* widget;
+ widget = kmalloc(sizeof(struct snd_soc_dapm_widget), GFP_KERNEL);
+ if (!widget)
+ return NULL;
+
+ memcpy(widget, _widget, sizeof(struct snd_soc_dapm_widget));
+ return widget;
+}
+
+/* set up initial codec paths */
+static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
+ struct snd_soc_dapm_path *p, int i)
+{
+ switch (w->id) {
+ case snd_soc_dapm_switch:
+ case snd_soc_dapm_mixer: {
+ int val;
+ int reg = w->kcontrols[i].private_value & 0xff;
+ int shift = (w->kcontrols[i].private_value >> 8) & 0x0f;
+ int mask = (w->kcontrols[i].private_value >> 16) & 0xff;
+ int invert = (w->kcontrols[i].private_value >> 24) & 0x01;
+
+ val = snd_soc_read(w->codec, reg);
+ val = (val >> shift) & mask;
+
+ if ((invert && !val) || (!invert && val))
+ p->connect = 1;
+ else
+ p->connect = 0;
+ }
+ break;
+ case snd_soc_dapm_mux: {
+ struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value;
+ int val, item, bitmask;
+
+ for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ ;
+ val = snd_soc_read(w->codec, e->reg);
+ item = (val >> e->shift_l) & (bitmask - 1);
+
+ p->connect = 0;
+ for (i = 0; i < e->mask; i++) {
+ if (!(strcmp(p->name, e->texts[i])) && item == i)
+ p->connect = 1;
+ }
+ }
+ break;
+ /* does not effect routing - always connected */
+ case snd_soc_dapm_pga:
+ case snd_soc_dapm_output:
+ case snd_soc_dapm_adc:
+ case snd_soc_dapm_input:
+ case snd_soc_dapm_dac:
+ case snd_soc_dapm_micbias:
+ case snd_soc_dapm_vmid:
+ p->connect = 1;
+ break;
+ /* does effect routing - dynamically connected */
+ case snd_soc_dapm_hp:
+ case snd_soc_dapm_mic:
+ case snd_soc_dapm_spk:
+ case snd_soc_dapm_line:
+ case snd_soc_dapm_pre:
+ case snd_soc_dapm_post:
+ p->connect = 0;
+ break;
+ }
+}
+
+/* connect mux widget to it's interconnecting audio paths */
+static int dapm_connect_mux(struct snd_soc_codec *codec,
+ struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
+ struct snd_soc_dapm_path *path, const char *control_name,
+ const struct snd_kcontrol_new *kcontrol)
+{
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ int i;
+
+ for (i = 0; i < e->mask; i++) {
+ if (!(strcmp(control_name, e->texts[i]))) {
+ list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list_sink, &dest->sources);
+ list_add(&path->list_source, &src->sinks);
+ path->name = (char*)e->texts[i];
+ dapm_set_path_status(dest, path, 0);
+ return 0;
+ }
+ }
+
+ return -ENODEV;
+}
+
+/* connect mixer widget to it's interconnecting audio paths */
+static int dapm_connect_mixer(struct snd_soc_codec *codec,
+ struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
+ struct snd_soc_dapm_path *path, const char *control_name)
+{
+ int i;
+
+ /* search for mixer kcontrol */
+ for (i = 0; i < dest->num_kcontrols; i++) {
+ if (!strcmp(control_name, dest->kcontrols[i].name)) {
+ list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list_sink, &dest->sources);
+ list_add(&path->list_source, &src->sinks);
+ path->name = dest->kcontrols[i].name;
+ dapm_set_path_status(dest, path, i);
+ return 0;
+ }
+ }
+ return -ENODEV;
+}
+
+/* update dapm codec register bits */
+static int dapm_update_bits(struct snd_soc_dapm_widget *widget)
+{
+ int change, power;
+ unsigned short old, new;
+ struct snd_soc_codec *codec = widget->codec;
+
+ /* check for valid widgets */
+ if (widget->reg < 0 || widget->id == snd_soc_dapm_input ||
+ widget->id == snd_soc_dapm_output ||
+ widget->id == snd_soc_dapm_hp ||
+ widget->id == snd_soc_dapm_mic ||
+ widget->id == snd_soc_dapm_line ||
+ widget->id == snd_soc_dapm_spk)
+ return 0;
+
+ power = widget->power;
+ if (widget->invert)
+ power = (power ? 0:1);
+
+ old = snd_soc_read(codec, widget->reg);
+ new = (old & ~(0x1 << widget->shift)) | (power << widget->shift);
+
+ change = old != new;
+ if (change) {
+ pop_dbg("pop test %s : %s in %d ms\n", widget->name,
+ widget->power ? "on" : "off", POP_TIME);
+ snd_soc_write(codec, widget->reg, new);
+ pop_wait(POP_TIME);
+ }
+ dbg("reg old %x new %x change %d\n", old, new, change);
+ return change;
+}
+
+/* ramps the volume up or down to minimise pops before or after a
+ * DAPM power event */
+static int dapm_set_pga(struct snd_soc_dapm_widget *widget, int power)
+{
+ const struct snd_kcontrol_new *k = widget->kcontrols;
+
+ if (widget->muted && !power)
+ return 0;
+ if (!widget->muted && power)
+ return 0;
+
+ if (widget->num_kcontrols && k) {
+ int reg = k->private_value & 0xff;
+ int shift = (k->private_value >> 8) & 0x0f;
+ int mask = (k->private_value >> 16) & 0xff;
+ int invert = (k->private_value >> 24) & 0x01;
+
+ if (power) {
+ int i;
+ /* power up has happended, increase volume to last level */
+ if (invert) {
+ for (i = mask; i > widget->saved_value; i--)
+ snd_soc_update_bits(widget->codec, reg, mask, i);
+ } else {
+ for (i = 0; i < widget->saved_value; i++)
+ snd_soc_update_bits(widget->codec, reg, mask, i);
+ }
+ widget->muted = 0;
+ } else {
+ /* power down is about to occur, decrease volume to mute */
+ int val = snd_soc_read(widget->codec, reg);
+ int i = widget->saved_value = (val >> shift) & mask;
+ if (invert) {
+ for (; i < mask; i++)
+ snd_soc_update_bits(widget->codec, reg, mask, i);
+ } else {
+ for (; i > 0; i--)
+ snd_soc_update_bits(widget->codec, reg, mask, i);
+ }
+ widget->muted = 1;
+ }
+ }
+ return 0;
+}
+
+/* create new dapm mixer control */
+static int dapm_new_mixer(struct snd_soc_codec *codec,
+ struct snd_soc_dapm_widget *w)
+{
+ int i, ret = 0;
+ char name[32];
+ struct snd_soc_dapm_path *path;
+
+ /* add kcontrol */
+ for (i = 0; i < w->num_kcontrols; i++) {
+
+ /* match name */
+ list_for_each_entry(path, &w->sources, list_sink) {
+
+ /* mixer/mux paths name must match control name */
+ if (path->name != (char*)w->kcontrols[i].name)
+ continue;
+
+ /* add dapm control with long name */
+ snprintf(name, 32, "%s %s", w->name, w->kcontrols[i].name);
+ path->long_name = kstrdup (name, GFP_KERNEL);
+ if (path->long_name == NULL)
+ return -ENOMEM;
+
+ path->kcontrol = snd_soc_cnew(&w->kcontrols[i], w,
+ path->long_name);
+ ret = snd_ctl_add(codec->card, path->kcontrol);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to add dapm kcontrol %s\n",
+ path->long_name);
+ kfree(path->long_name);
+ path->long_name = NULL;
+ return ret;
+ }
+ }
+ }
+ return ret;
+}
+
+/* create new dapm mux control */
+static int dapm_new_mux(struct snd_soc_codec *codec,
+ struct snd_soc_dapm_widget *w)
+{
+ struct snd_soc_dapm_path *path = NULL;
+ struct snd_kcontrol *kcontrol;
+ int ret = 0;
+
+ if (!w->num_kcontrols) {
+ printk(KERN_ERR "asoc: mux %s has no controls\n", w->name);
+ return -EINVAL;
+ }
+
+ kcontrol = snd_soc_cnew(&w->kcontrols[0], w, w->name);
+ ret = snd_ctl_add(codec->card, kcontrol);
+ if (ret < 0)
+ goto err;
+
+ list_for_each_entry(path, &w->sources, list_sink)
+ path->kcontrol = kcontrol;
+
+ return ret;
+
+err:
+ printk(KERN_ERR "asoc: failed to add kcontrol %s\n", w->name);
+ return ret;
+}
+
+/* create new dapm volume control */
+static int dapm_new_pga(struct snd_soc_codec *codec,
+ struct snd_soc_dapm_widget *w)
+{
+ struct snd_kcontrol *kcontrol;
+ int ret = 0;
+
+ if (!w->num_kcontrols)
+ return -EINVAL;
+
+ kcontrol = snd_soc_cnew(&w->kcontrols[0], w, w->name);
+ ret = snd_ctl_add(codec->card, kcontrol);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to add kcontrol %s\n", w->name);
+ return ret;
+ }
+
+ return ret;
+}
+
+/* reset 'walked' bit for each dapm path */
+static inline void dapm_clear_walk(struct snd_soc_codec *codec)
+{
+ struct snd_soc_dapm_path *p;
+
+ list_for_each_entry(p, &codec->dapm_paths, list)
+ p->walked = 0;
+}
+
+/*
+ * Recursively check for a completed path to an active or physically connected
+ * output widget. Returns number of complete paths.
+ */
+static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
+{
+ struct snd_soc_dapm_path *path;
+ int con = 0;
+
+ if (widget->id == snd_soc_dapm_adc && widget->active)
+ return 1;
+
+ if (widget->connected) {
+ /* connected pin ? */
+ if (widget->id == snd_soc_dapm_output && !widget->ext)
+ return 1;
+
+ /* connected jack or spk ? */
+ if (widget->id == snd_soc_dapm_hp || widget->id == snd_soc_dapm_spk ||
+ widget->id == snd_soc_dapm_line)
+ return 1;
+ }
+
+ list_for_each_entry(path, &widget->sinks, list_source) {
+ if (path->walked)
+ continue;
+
+ if (path->sink && path->connect) {
+ path->walked = 1;
+ con += is_connected_output_ep(path->sink);
+ }
+ }
+
+ return con;
+}
+
+/*
+ * Recursively check for a completed path to an active or physically connected
+ * input widget. Returns number of complete paths.
+ */
+static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
+{
+ struct snd_soc_dapm_path *path;
+ int con = 0;
+
+ /* active stream ? */
+ if (widget->id == snd_soc_dapm_dac && widget->active)
+ return 1;
+
+ if (widget->connected) {
+ /* connected pin ? */
+ if (widget->id == snd_soc_dapm_input && !widget->ext)
+ return 1;
+
+ /* connected VMID/Bias for lower pops */
+ if (widget->id == snd_soc_dapm_vmid)
+ return 1;
+
+ /* connected jack ? */
+ if (widget->id == snd_soc_dapm_mic || widget->id == snd_soc_dapm_line)
+ return 1;
+ }
+
+ list_for_each_entry(path, &widget->sources, list_sink) {
+ if (path->walked)
+ continue;
+
+ if (path->source && path->connect) {
+ path->walked = 1;
+ con += is_connected_input_ep(path->source);
+ }
+ }
+
+ return con;
+}
+
+/*
+ * Scan each dapm widget for complete audio path.
+ * A complete path is a route that has valid endpoints i.e.:-
+ *
+ * o DAC to output pin.
+ * o Input Pin to ADC.
+ * o Input pin to Output pin (bypass, sidetone)
+ * o DAC to ADC (loopback).
+ */
+int dapm_power_widgets(struct snd_soc_codec *codec, int event)
+{
+ struct snd_soc_dapm_widget *w;
+ int in, out, i, c = 1, *seq = NULL, ret = 0, power_change, power;
+
+ /* do we have a sequenced stream event */
+ if (event == SND_SOC_DAPM_STREAM_START) {
+ c = ARRAY_SIZE(dapm_up_seq);
+ seq = dapm_up_seq;
+ } else if (event == SND_SOC_DAPM_STREAM_STOP) {
+ c = ARRAY_SIZE(dapm_down_seq);
+ seq = dapm_down_seq;
+ }
+
+ for(i = 0; i < c; i++) {
+ list_for_each_entry(w, &codec->dapm_widgets, list) {
+
+ /* is widget in stream order */
+ if (seq && seq[i] && w->id != seq[i])
+ continue;
+
+ /* vmid - no action */
+ if (w->id == snd_soc_dapm_vmid)
+ continue;
+
+ /* active ADC */
+ if (w->id == snd_soc_dapm_adc && w->active) {
+ in = is_connected_input_ep(w);
+ dapm_clear_walk(w->codec);
+ w->power = (in != 0) ? 1 : 0;
+ dapm_update_bits(w);
+ continue;
+ }
+
+ /* active DAC */
+ if (w->id == snd_soc_dapm_dac && w->active) {
+ out = is_connected_output_ep(w);
+ dapm_clear_walk(w->codec);
+ w->power = (out != 0) ? 1 : 0;
+ dapm_update_bits(w);
+ continue;
+ }
+
+ /* programmable gain/attenuation */
+ if (w->id == snd_soc_dapm_pga) {
+ int on;
+ in = is_connected_input_ep(w);
+ dapm_clear_walk(w->codec);
+ out = is_connected_output_ep(w);
+ dapm_clear_walk(w->codec);
+ w->power = on = (out != 0 && in != 0) ? 1 : 0;
+
+ if (!on)
+ dapm_set_pga(w, on); /* lower volume to reduce pops */
+ dapm_update_bits(w);
+ if (on)
+ dapm_set_pga(w, on); /* restore volume from zero */
+
+ continue;
+ }
+
+ /* pre and post event widgets */
+ if (w->id == snd_soc_dapm_pre) {
+ if (!w->event)
+ continue;
+
+ if (event == SND_SOC_DAPM_STREAM_START) {
+ ret = w->event(w, SND_SOC_DAPM_PRE_PMU);
+ if (ret < 0)
+ return ret;
+ } else if (event == SND_SOC_DAPM_STREAM_STOP) {
+ ret = w->event(w, SND_SOC_DAPM_PRE_PMD);
+ if (ret < 0)
+ return ret;
+ }
+ continue;
+ }
+ if (w->id == snd_soc_dapm_post) {
+ if (!w->event)
+ continue;
+
+ if (event == SND_SOC_DAPM_STREAM_START) {
+ ret = w->event(w, SND_SOC_DAPM_POST_PMU);
+ if (ret < 0)
+ return ret;
+ } else if (event == SND_SOC_DAPM_STREAM_STOP) {
+ ret = w->event(w, SND_SOC_DAPM_POST_PMD);
+ if (ret < 0)
+ return ret;
+ }
+ continue;
+ }
+
+ /* all other widgets */
+ in = is_connected_input_ep(w);
+ dapm_clear_walk(w->codec);
+ out = is_connected_output_ep(w);
+ dapm_clear_walk(w->codec);
+ power = (out != 0 && in != 0) ? 1 : 0;
+ power_change = (w->power == power) ? 0: 1;
+ w->power = power;
+
+ /* call any power change event handlers */
+ if (power_change) {
+ if (w->event) {
+ dbg("power %s event for %s flags %x\n",
+ w->power ? "on" : "off", w->name, w->event_flags);
+ if (power) {
+ /* power up event */
+ if (w->event_flags & SND_SOC_DAPM_PRE_PMU) {
+ ret = w->event(w, SND_SOC_DAPM_PRE_PMU);
+ if (ret < 0)
+ return ret;
+ }
+ dapm_update_bits(w);
+ if (w->event_flags & SND_SOC_DAPM_POST_PMU){
+ ret = w->event(w, SND_SOC_DAPM_POST_PMU);
+ if (ret < 0)
+ return ret;
+ }
+ } else {
+ /* power down event */
+ if (w->event_flags & SND_SOC_DAPM_PRE_PMD) {
+ ret = w->event(w, SND_SOC_DAPM_PRE_PMD);
+ if (ret < 0)
+ return ret;
+ }
+ dapm_update_bits(w);
+ if (w->event_flags & SND_SOC_DAPM_POST_PMD) {
+ ret = w->event(w, SND_SOC_DAPM_POST_PMD);
+ if (ret < 0)
+ return ret;
+ }
+ }
+ } else
+ /* no event handler */
+ dapm_update_bits(w);
+ }
+ }
+ }
+
+ return ret;
+}
+
+#if DAPM_DEBUG
+static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
+{
+ struct snd_soc_dapm_widget *w;
+ struct snd_soc_dapm_path *p = NULL;
+ int in, out;
+
+ printk("DAPM %s %s\n", codec->name, action);
+
+ list_for_each_entry(w, &codec->dapm_widgets, list) {
+
+ /* only display widgets that effect routing */
+ switch (w->id) {
+ case snd_soc_dapm_pre:
+ case snd_soc_dapm_post:
+ case snd_soc_dapm_vmid:
+ continue;
+ case snd_soc_dapm_mux:
+ case snd_soc_dapm_output:
+ case snd_soc_dapm_input:
+ case snd_soc_dapm_switch:
+ case snd_soc_dapm_hp:
+ case snd_soc_dapm_mic:
+ case snd_soc_dapm_spk:
+ case snd_soc_dapm_line:
+ case snd_soc_dapm_micbias:
+ case snd_soc_dapm_dac:
+ case snd_soc_dapm_adc:
+ case snd_soc_dapm_pga:
+ case snd_soc_dapm_mixer:
+ if (w->name) {
+ in = is_connected_input_ep(w);
+ dapm_clear_walk(w->codec);
+ out = is_connected_output_ep(w);
+ dapm_clear_walk(w->codec);
+ printk("%s: %s in %d out %d\n", w->name,
+ w->power ? "On":"Off",in, out);
+
+ list_for_each_entry(p, &w->sources, list_sink) {
+ if (p->connect)
+ printk(" in %s %s\n", p->name ? p->name : "static",
+ p->source->name);
+ }
+ list_for_each_entry(p, &w->sinks, list_source) {
+ p = list_entry(lp, struct snd_soc_dapm_path, list_source);
+ if (p->connect)
+ printk(" out %s %s\n", p->name ? p->name : "static",
+ p->sink->name);
+ }
+ }
+ break;
+ }
+ }
+}
+#endif
+
+/* test and update the power status of a mux widget */
+int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
+ struct snd_kcontrol *kcontrol, int mask, int val, struct soc_enum* e)
+{
+ struct snd_soc_dapm_path *path;
+ int found = 0;
+
+ if (widget->id != snd_soc_dapm_mux)
+ return -ENODEV;
+
+ if (!snd_soc_test_bits(widget->codec, e->reg, mask, val))
+ return 0;
+
+ /* find dapm widget path assoc with kcontrol */
+ list_for_each_entry(path, &widget->codec->dapm_paths, list) {
+ if (path->kcontrol != kcontrol)
+ continue;
+
+ if (!path->name || ! e->texts[val])
+ continue;
+
+ found = 1;
+ /* we now need to match the string in the enum to the path */
+ if (!(strcmp(path->name, e->texts[val])))
+ path->connect = 1; /* new connection */
+ else
+ path->connect = 0; /* old connection must be powered down */
+ }
+
+ if (found)
+ dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(dapm_mux_update_power);
+
+/* test and update the power status of a mixer widget */
+int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
+ struct snd_kcontrol *kcontrol, int reg, int val_mask, int val, int invert)
+{
+ struct snd_soc_dapm_path *path;
+ int found = 0;
+
+ if (widget->id != snd_soc_dapm_mixer)
+ return -ENODEV;
+
+ if (!snd_soc_test_bits(widget->codec, reg, val_mask, val))
+ return 0;
+
+ /* find dapm widget path assoc with kcontrol */
+ list_for_each_entry(path, &widget->codec->dapm_paths, list) {
+ if (path->kcontrol != kcontrol)
+ continue;
+
+ /* found, now check type */
+ found = 1;
+ if (val)
+ /* new connection */
+ path->connect = invert ? 0:1;
+ else
+ /* old connection must be powered down */
+ path->connect = invert ? 1:0;
+ break;
+ }
+
+ if (found)
+ dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(dapm_mixer_update_power);
+
+/* show dapm widget status in sys fs */
+static ssize_t dapm_widget_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct snd_soc_device *devdata = dev_get_drvdata(dev);
+ struct snd_soc_codec *codec = devdata->codec;
+ struct snd_soc_dapm_widget *w;
+ int count = 0;
+ char *state = "not set";
+
+ list_for_each_entry(w, &codec->dapm_widgets, list) {
+
+ /* only display widgets that burnm power */
+ switch (w->id) {
+ case snd_soc_dapm_hp:
+ case snd_soc_dapm_mic:
+ case snd_soc_dapm_spk:
+ case snd_soc_dapm_line:
+ case snd_soc_dapm_micbias:
+ case snd_soc_dapm_dac:
+ case snd_soc_dapm_adc:
+ case snd_soc_dapm_pga:
+ case snd_soc_dapm_mixer:
+ if (w->name)
+ count += sprintf(buf + count, "%s: %s\n",
+ w->name, w->power ? "On":"Off");
+ break;
+ default:
+ break;
+ }
+ }
+
+ switch(codec->dapm_state){
+ case SNDRV_CTL_POWER_D0:
+ state = "D0";
+ break;
+ case SNDRV_CTL_POWER_D1:
+ state = "D1";
+ break;
+ case SNDRV_CTL_POWER_D2:
+ state = "D2";
+ break;
+ case SNDRV_CTL_POWER_D3hot:
+ state = "D3hot";
+ break;
+ case SNDRV_CTL_POWER_D3cold:
+ state = "D3cold";
+ break;
+ }
+ count += sprintf(buf + count, "PM State: %s\n", state);
+
+ return count;
+}
+
+static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
+
+int snd_soc_dapm_sys_add(struct device *dev)
+{
+ int ret = 0;
+
+ if (dapm_status)
+ ret = device_create_file(dev, &dev_attr_dapm_widget);
+
+ return ret;
+}
+
+static void snd_soc_dapm_sys_remove(struct device *dev)
+{
+ if (dapm_status)
+ device_remove_file(dev, &dev_attr_dapm_widget);
+}
+
+/* free all dapm widgets and resources */
+void dapm_free_widgets(struct snd_soc_codec *codec)
+{
+ struct snd_soc_dapm_widget *w, *next_w;
+ struct snd_soc_dapm_path *p, *next_p;
+
+ list_for_each_entry_safe(w, next_w, &codec->dapm_widgets, list) {
+ list_del(&w->list);
+ kfree(w);
+ }
+
+ list_for_each_entry_safe(p, next_p, &codec->dapm_paths, list) {
+ list_del(&p->list);
+ kfree(p->long_name);
+ kfree(p);
+ }
+}
+
+/**
+ * snd_soc_dapm_sync_endpoints - scan and power dapm paths
+ * @codec: audio codec
+ *
+ * Walks all dapm audio paths and powers widgets according to their
+ * stream or path usage.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_sync_endpoints(struct snd_soc_codec *codec)
+{
+ return dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_sync_endpoints);
+
+/**
+ * snd_soc_dapm_connect_input - connect dapm widgets
+ * @codec: audio codec
+ * @sink: name of target widget
+ * @control: mixer control name
+ * @source: name of source name
+ *
+ * Connects 2 dapm widgets together via a named audio path. The sink is
+ * the widget receiving the audio signal, whilst the source is the sender
+ * of the audio signal.
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, const char *sink,
+ const char * control, const char *source)
+{
+ struct snd_soc_dapm_path *path;
+ struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
+ int ret = 0;
+
+ /* find src and dest widgets */
+ list_for_each_entry(w, &codec->dapm_widgets, list) {
+
+ if (!wsink && !(strcmp(w->name, sink))) {
+ wsink = w;
+ continue;
+ }
+ if (!wsource && !(strcmp(w->name, source))) {
+ wsource = w;
+ }
+ }
+
+ if (wsource == NULL || wsink == NULL)
+ return -ENODEV;
+
+ path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL);
+ if (!path)
+ return -ENOMEM;
+
+ path->source = wsource;
+ path->sink = wsink;
+ INIT_LIST_HEAD(&path->list);
+ INIT_LIST_HEAD(&path->list_source);
+ INIT_LIST_HEAD(&path->list_sink);
+
+ /* check for external widgets */
+ if (wsink->id == snd_soc_dapm_input) {
+ if (wsource->id == snd_soc_dapm_micbias ||
+ wsource->id == snd_soc_dapm_mic ||
+ wsink->id == snd_soc_dapm_line)
+ wsink->ext = 1;
+ }
+ if (wsource->id == snd_soc_dapm_output) {
+ if (wsink->id == snd_soc_dapm_spk ||
+ wsink->id == snd_soc_dapm_hp ||
+ wsink->id == snd_soc_dapm_line)
+ wsource->ext = 1;
+ }
+
+ /* connect static paths */
+ if (control == NULL) {
+ list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list_sink, &wsink->sources);
+ list_add(&path->list_source, &wsource->sinks);
+ path->connect = 1;
+ return 0;
+ }
+
+ /* connect dynamic paths */
+ switch(wsink->id) {
+ case snd_soc_dapm_adc:
+ case snd_soc_dapm_dac:
+ case snd_soc_dapm_pga:
+ case snd_soc_dapm_input:
+ case snd_soc_dapm_output:
+ case snd_soc_dapm_micbias:
+ case snd_soc_dapm_vmid:
+ case snd_soc_dapm_pre:
+ case snd_soc_dapm_post:
+ list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list_sink, &wsink->sources);
+ list_add(&path->list_source, &wsource->sinks);
+ path->connect = 1;
+ return 0;
+ case snd_soc_dapm_mux:
+ ret = dapm_connect_mux(codec, wsource, wsink, path, control,
+ &wsink->kcontrols[0]);
+ if (ret != 0)
+ goto err;
+ break;
+ case snd_soc_dapm_switch:
+ case snd_soc_dapm_mixer:
+ ret = dapm_connect_mixer(codec, wsource, wsink, path, control);
+ if (ret != 0)
+ goto err;
+ break;
+ case snd_soc_dapm_hp:
+ case snd_soc_dapm_mic:
+ case snd_soc_dapm_line:
+ case snd_soc_dapm_spk:
+ list_add(&path->list, &codec->dapm_paths);
+ list_add(&path->list_sink, &wsink->sources);
+ list_add(&path->list_source, &wsource->sinks);
+ path->connect = 0;
+ return 0;
+ }
+ return 0;
+
+err:
+ printk(KERN_WARNING "asoc: no dapm match for %s --> %s --> %s\n", source,
+ control, sink);
+ kfree(path);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_connect_input);
+
+/**
+ * snd_soc_dapm_new_widgets - add new dapm widgets
+ * @codec: audio codec
+ *
+ * Checks the codec for any new dapm widgets and creates them if found.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
+{
+ struct snd_soc_dapm_widget *w;
+
+ mutex_lock(&codec->mutex);
+ list_for_each_entry(w, &codec->dapm_widgets, list)
+ {
+ if (w->new)
+ continue;
+
+ switch(w->id) {
+ case snd_soc_dapm_switch:
+ case snd_soc_dapm_mixer:
+ dapm_new_mixer(codec, w);
+ break;
+ case snd_soc_dapm_mux:
+ dapm_new_mux(codec, w);
+ break;
+ case snd_soc_dapm_adc:
+ case snd_soc_dapm_dac:
+ case snd_soc_dapm_pga:
+ dapm_new_pga(codec, w);
+ break;
+ case snd_soc_dapm_input:
+ case snd_soc_dapm_output:
+ case snd_soc_dapm_micbias:
+ case snd_soc_dapm_spk:
+ case snd_soc_dapm_hp:
+ case snd_soc_dapm_mic:
+ case snd_soc_dapm_line:
+ case snd_soc_dapm_vmid:
+ case snd_soc_dapm_pre:
+ case snd_soc_dapm_post:
+ break;
+ }
+ w->new = 1;
+ }
+
+ dapm_power_widgets(codec, SND_SOC_DAPM_STREAM_NOP);
+ mutex_unlock(&codec->mutex);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
+
+/**
+ * snd_soc_dapm_get_volsw - dapm mixer get callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to get the value of a dapm mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0x0f;
+ int rshift = (kcontrol->private_value >> 12) & 0x0f;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0x01;
+
+ /* return the saved value if we are powered down */
+ if (widget->id == snd_soc_dapm_pga && !widget->power) {
+ ucontrol->value.integer.value[0] = widget->saved_value;
+ return 0;
+ }
+
+ ucontrol->value.integer.value[0] =
+ (snd_soc_read(widget->codec, reg) >> shift) & mask;
+ if (shift != rshift)
+ ucontrol->value.integer.value[1] =
+ (snd_soc_read(widget->codec, reg) >> rshift) & mask;
+ if (invert) {
+ ucontrol->value.integer.value[0] =
+ mask - ucontrol->value.integer.value[0];
+ if (shift != rshift)
+ ucontrol->value.integer.value[1] =
+ mask - ucontrol->value.integer.value[1];
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
+
+/**
+ * snd_soc_dapm_put_volsw - dapm mixer set callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to set the value of a dapm mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0x0f;
+ int rshift = (kcontrol->private_value >> 12) & 0x0f;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0x01;
+ unsigned short val, val2, val_mask;
+ int ret;
+
+ val = (ucontrol->value.integer.value[0] & mask);
+
+ if (invert)
+ val = mask - val;
+ val_mask = mask << shift;
+ val = val << shift;
+ if (shift != rshift) {
+ val2 = (ucontrol->value.integer.value[1] & mask);
+ if (invert)
+ val2 = mask - val2;
+ val_mask |= mask << rshift;
+ val |= val2 << rshift;
+ }
+
+ mutex_lock(&widget->codec->mutex);
+ widget->value = val;
+
+ /* save volume value if the widget is powered down */
+ if (widget->id == snd_soc_dapm_pga && !widget->power) {
+ widget->saved_value = val;
+ mutex_unlock(&widget->codec->mutex);
+ return 1;
+ }
+
+ dapm_mixer_update_power(widget, kcontrol, reg, val_mask, val, invert);
+ if (widget->event) {
+ if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
+ ret = widget->event(widget, SND_SOC_DAPM_PRE_REG);
+ if (ret < 0)
+ goto out;
+ }
+ ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
+ if (widget->event_flags & SND_SOC_DAPM_POST_REG)
+ ret = widget->event(widget, SND_SOC_DAPM_POST_REG);
+ } else
+ ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
+
+out:
+ mutex_unlock(&widget->codec->mutex);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
+
+/**
+ * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to get the value of a dapm enumerated double mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short val, bitmask;
+
+ for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ ;
+ val = snd_soc_read(widget->codec, e->reg);
+ ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
+ if (e->shift_l != e->shift_r)
+ ucontrol->value.enumerated.item[1] =
+ (val >> e->shift_r) & (bitmask - 1);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
+
+/**
+ * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to set the value of a dapm enumerated double mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short val, mux;
+ unsigned short mask, bitmask;
+ int ret = 0;
+
+ for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ ;
+ if (ucontrol->value.enumerated.item[0] > e->mask - 1)
+ return -EINVAL;
+ mux = ucontrol->value.enumerated.item[0];
+ val = mux << e->shift_l;
+ mask = (bitmask - 1) << e->shift_l;
+ if (e->shift_l != e->shift_r) {
+ if (ucontrol->value.enumerated.item[1] > e->mask - 1)
+ return -EINVAL;
+ val |= ucontrol->value.enumerated.item[1] << e->shift_r;
+ mask |= (bitmask - 1) << e->shift_r;
+ }
+
+ mutex_lock(&widget->codec->mutex);
+ widget->value = val;
+ dapm_mux_update_power(widget, kcontrol, mask, mux, e);
+ if (widget->event) {
+ if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
+ ret = widget->event(widget, SND_SOC_DAPM_PRE_REG);
+ if (ret < 0)
+ goto out;
+ }
+ ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+ if (widget->event_flags & SND_SOC_DAPM_POST_REG)
+ ret = widget->event(widget, SND_SOC_DAPM_POST_REG);
+ } else
+ ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+
+out:
+ mutex_unlock(&widget->codec->mutex);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
+
+/**
+ * snd_soc_dapm_new_control - create new dapm control
+ * @codec: audio codec
+ * @widget: widget template
+ *
+ * Creates a new dapm control based upon the template.
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_new_control(struct snd_soc_codec *codec,
+ const struct snd_soc_dapm_widget *widget)
+{
+ struct snd_soc_dapm_widget *w;
+
+ if ((w = dapm_cnew_widget(widget)) == NULL)
+ return -ENOMEM;
+
+ w->codec = codec;
+ INIT_LIST_HEAD(&w->sources);
+ INIT_LIST_HEAD(&w->sinks);
+ INIT_LIST_HEAD(&w->list);
+ list_add(&w->list, &codec->dapm_widgets);
+
+ /* machine layer set ups unconnected pins and insertions */
+ w->connected = 1;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
+
+/**
+ * snd_soc_dapm_stream_event - send a stream event to the dapm core
+ * @codec: audio codec
+ * @stream: stream name
+ * @event: stream event
+ *
+ * Sends a stream event to the dapm core. The core then makes any
+ * necessary widget power changes.
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_stream_event(struct snd_soc_codec *codec,
+ char *stream, int event)
+{
+ struct snd_soc_dapm_widget *w;
+
+ mutex_lock(&codec->mutex);
+ list_for_each_entry(w, &codec->dapm_widgets, list)
+ {
+ if (!w->sname)
+ continue;
+ dbg("widget %s\n %s stream %s event %d\n", w->name, w->sname,
+ stream, event);
+ if (strstr(w->sname, stream)) {
+ switch(event) {
+ case SND_SOC_DAPM_STREAM_START:
+ w->active = 1;
+ break;
+ case SND_SOC_DAPM_STREAM_STOP:
+ w->active = 0;
+ break;
+ case SND_SOC_DAPM_STREAM_SUSPEND:
+ if (w->active)
+ w->suspend = 1;
+ w->active = 0;
+ break;
+ case SND_SOC_DAPM_STREAM_RESUME:
+ if (w->suspend) {
+ w->active = 1;
+ w->suspend = 0;
+ }
+ break;
+ case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
+ break;
+ case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
+ break;
+ }
+ }
+ }
+ mutex_unlock(&codec->mutex);
+
+ dapm_power_widgets(codec, event);
+ dump_dapm(codec, __FUNCTION__);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event);
+
+/**
+ * snd_soc_dapm_set_endpoint - set audio endpoint status
+ * @codec: audio codec
+ * @endpoint: audio signal endpoint (or start point)
+ * @status: point status
+ *
+ * Set audio endpoint status - connected or disconnected.
+ *
+ * Returns 0 for success else error.
+ */
+int snd_soc_dapm_set_endpoint(struct snd_soc_codec *codec,
+ char *endpoint, int status)
+{
+ struct snd_soc_dapm_widget *w;
+
+ list_for_each_entry(w, &codec->dapm_widgets, list) {
+ if (!strcmp(w->name, endpoint)) {
+ w->connected = status;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_set_endpoint);
+
+/**
+ * snd_soc_dapm_free - free dapm resources
+ * @socdev: SoC device
+ *
+ * Free all dapm widgets and resources.
+ */
+void snd_soc_dapm_free(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+
+ snd_soc_dapm_sys_remove(socdev->dev);
+ dapm_free_widgets(codec);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_free);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("Dynamic Audio Power Management core for ALSA SoC");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/soc-core.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/soc-core.c
@@ -0,0 +1,2063 @@
+/*
+ * soc-core.c -- ALSA SoC Audio Layer
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 12th Aug 2005 Initial version.
+ * 25th Oct 2005 Working Codec, Interface and Platform registration.
+ *
+ * TODO:
+ * o Add hw rules to enforce rates, etc.
+ * o More testing with other codecs/machines.
+ * o Add more codecs and platforms to ensure good API coverage.
+ * o Support TDM on PCM and I2S
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/bitops.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+/* debug */
+#define SOC_DEBUG 1
+#if SOC_DEBUG
+#define dbg(format, arg...) printk(format, ## arg)
+#else
+#define dbg(format, arg...)
+#endif
+/* debug DAI capabilities matching */
+#define SOC_DEBUG_DAI 1
+#if SOC_DEBUG_DAI
+#define dbgc(format, arg...) printk(format, ## arg)
+#else
+#define dbgc(format, arg...)
+#endif
+
+#define CODEC_CPU(codec, cpu) ((codec << 4) | cpu)
+
+static DEFINE_MUTEX(pcm_mutex);
+static DEFINE_MUTEX(io_mutex);
+static struct workqueue_struct *soc_workq;
+static struct work_struct soc_stream_work;
+static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
+
+/* supported sample rates */
+/* ATTENTION: these values depend on the definition in pcm.h! */
+static const unsigned int rates[] = {
+ 5512, 8000, 11025, 16000, 22050, 32000, 44100,
+ 48000, 64000, 88200, 96000, 176400, 192000
+};
+
+/*
+ * This is a timeout to do a DAPM powerdown after a stream is closed().
+ * It can be used to eliminate pops between different playback streams, e.g.
+ * between two audio tracks.
+ */
+static int pmdown_time = 5000;
+module_param(pmdown_time, int, 0);
+MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
+
+#ifdef CONFIG_SND_SOC_AC97_BUS
+/* unregister ac97 codec */
+static int soc_ac97_dev_unregister(struct snd_soc_codec *codec)
+{
+ if (codec->ac97->dev.bus)
+ device_unregister(&codec->ac97->dev);
+ return 0;
+}
+
+/* stop no dev release warning */
+static void soc_ac97_device_release(struct device *dev){}
+
+/* register ac97 codec to bus */
+static int soc_ac97_dev_register(struct snd_soc_codec *codec)
+{
+ int err;
+
+ codec->ac97->dev.bus = &ac97_bus_type;
+ codec->ac97->dev.parent = NULL;
+ codec->ac97->dev.release = soc_ac97_device_release;
+
+ snprintf(codec->ac97->dev.bus_id, BUS_ID_SIZE, "%d-%d:%s",
+ codec->card->number, 0, codec->name);
+ err = device_register(&codec->ac97->dev);
+ if (err < 0) {
+ snd_printk(KERN_ERR "Can't register ac97 bus\n");
+ codec->ac97->dev.bus = NULL;
+ return err;
+ }
+ return 0;
+}
+#endif
+
+static inline const char* get_dai_name(int type)
+{
+ switch(type) {
+ case SND_SOC_DAI_AC97:
+ return "AC97";
+ case SND_SOC_DAI_I2S:
+ return "I2S";
+ case SND_SOC_DAI_PCM:
+ return "PCM";
+ }
+ return NULL;
+}
+
+/* get rate format from rate */
+static inline int soc_get_rate_format(int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(rates); i++) {
+ if (rates[i] == rate)
+ return 1 << i;
+ }
+ return 0;
+}
+
+/* gets the audio system mclk/sysclk for the given parameters */
+static unsigned inline int soc_get_mclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_machine *machine = socdev->machine;
+ int i;
+
+ /* find the matching machine config and get it's mclk for the given
+ * sample rate and hardware format */
+ for(i = 0; i < machine->num_links; i++) {
+ if (machine->dai_link[i].cpu_dai == rtd->cpu_dai &&
+ machine->dai_link[i].config_sysclk)
+ return machine->dai_link[i].config_sysclk(rtd, info);
+ }
+ return 0;
+}
+
+/* changes a bitclk multiplier mask to a divider mask */
+static u64 soc_bfs_rcw_to_div(u64 bfs, int rate, unsigned int mclk,
+ unsigned int pcmfmt, unsigned int chn)
+{
+ int i, j;
+ u64 bfs_ = 0;
+ int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
+
+ if (size <= 0)
+ return 0;
+
+ /* the minimum bit clock that has enough bandwidth */
+ min = size * rate * chn;
+ dbgc("rcw --> div min bclk %d with mclk %d\n", min, mclk);
+
+ for (i = 0; i < 64; i++) {
+ if ((bfs >> i) & 0x1) {
+ j = min * (i + 1);
+ bfs_ |= SND_SOC_FSBD(mclk/j);
+ dbgc("rcw --> div support mult %d\n",
+ SND_SOC_FSBD_REAL(1<<i));
+ }
+ }
+
+ return bfs_;
+}
+
+/* changes a bitclk divider mask to a multiplier mask */
+static u64 soc_bfs_div_to_rcw(u64 bfs, int rate, unsigned int mclk,
+ unsigned int pcmfmt, unsigned int chn)
+{
+ int i, j;
+ u64 bfs_ = 0;
+
+ int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
+
+ if (size <= 0)
+ return 0;
+
+ /* the minimum bit clock that has enough bandwidth */
+ min = size * rate * chn;
+ dbgc("div to rcw min bclk %d with mclk %d\n", min, mclk);
+
+ for (i = 0; i < 64; i++) {
+ if ((bfs >> i) & 0x1) {
+ j = mclk / (i + 1);
+ if (j >= min) {
+ bfs_ |= SND_SOC_FSBW(j/min);
+ dbgc("div --> rcw support div %d\n",
+ SND_SOC_FSBW_REAL(1<<i));
+ }
+ }
+ }
+
+ return bfs_;
+}
+
+/* changes a constant bitclk to a multiplier mask */
+static u64 soc_bfs_rate_to_rcw(u64 bfs, int rate, unsigned int mclk,
+ unsigned int pcmfmt, unsigned int chn)
+{
+ unsigned int bfs_ = rate * bfs;
+ int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
+
+ if (size <= 0)
+ return 0;
+
+ /* the minimum bit clock that has enough bandwidth */
+ min = size * rate * chn;
+ dbgc("rate --> rcw min bclk %d with mclk %d\n", min, mclk);
+
+ if (bfs_ < min)
+ return 0;
+ else {
+ bfs_ = SND_SOC_FSBW(bfs_/min);
+ dbgc("rate --> rcw support div %d\n", SND_SOC_FSBW_REAL(bfs_));
+ return bfs_;
+ }
+}
+
+/* changes a bitclk multiplier mask to a divider mask */
+static u64 soc_bfs_rate_to_div(u64 bfs, int rate, unsigned int mclk,
+ unsigned int pcmfmt, unsigned int chn)
+{
+ unsigned int bfs_ = rate * bfs;
+ int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
+
+ if (size <= 0)
+ return 0;
+
+ /* the minimum bit clock that has enough bandwidth */
+ min = size * rate * chn;
+ dbgc("rate --> div min bclk %d with mclk %d\n", min, mclk);
+
+ if (bfs_ < min)
+ return 0;
+ else {
+ bfs_ = SND_SOC_FSBW(mclk/bfs_);
+ dbgc("rate --> div support div %d\n", SND_SOC_FSBD_REAL(bfs_));
+ return bfs_;
+ }
+}
+
+/* Matches codec DAI and SoC CPU DAI hardware parameters */
+static int soc_hw_match_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai_mode *codec_dai_mode = NULL;
+ struct snd_soc_dai_mode *cpu_dai_mode = NULL;
+ struct snd_soc_clock_info clk_info;
+ unsigned int fs, mclk, rate = params_rate(params),
+ chn, j, k, cpu_bclk, codec_bclk, pcmrate;
+ u16 fmt = 0;
+ u64 codec_bfs, cpu_bfs;
+
+ dbg("asoc: match version %s\n", SND_SOC_VERSION);
+ clk_info.rate = rate;
+ pcmrate = soc_get_rate_format(rate);
+
+ /* try and find a match from the codec and cpu DAI capabilities */
+ for (j = 0; j < rtd->codec_dai->caps.num_modes; j++) {
+ for (k = 0; k < rtd->cpu_dai->caps.num_modes; k++) {
+ codec_dai_mode = &rtd->codec_dai->caps.mode[j];
+ cpu_dai_mode = &rtd->cpu_dai->caps.mode[k];
+
+ if (!(codec_dai_mode->pcmrate & cpu_dai_mode->pcmrate &
+ pcmrate)) {
+ dbgc("asoc: DAI[%d:%d] failed to match rate\n", j, k);
+ continue;
+ }
+
+ fmt = codec_dai_mode->fmt & cpu_dai_mode->fmt;
+ if (!(fmt & SND_SOC_DAIFMT_FORMAT_MASK)) {
+ dbgc("asoc: DAI[%d:%d] failed to match format\n", j, k);
+ continue;
+ }
+
+ if (!(fmt & SND_SOC_DAIFMT_CLOCK_MASK)) {
+ dbgc("asoc: DAI[%d:%d] failed to match clock masters\n",
+ j, k);
+ continue;
+ }
+
+ if (!(fmt & SND_SOC_DAIFMT_INV_MASK)) {
+ dbgc("asoc: DAI[%d:%d] failed to match invert\n", j, k);
+ continue;
+ }
+
+ if (!(codec_dai_mode->pcmfmt & cpu_dai_mode->pcmfmt)) {
+ dbgc("asoc: DAI[%d:%d] failed to match pcm format\n", j, k);
+ continue;
+ }
+
+ if (!(codec_dai_mode->pcmdir & cpu_dai_mode->pcmdir)) {
+ dbgc("asoc: DAI[%d:%d] failed to match direction\n", j, k);
+ continue;
+ }
+
+ /* todo - still need to add tdm selection */
+ rtd->cpu_dai->dai_runtime.fmt =
+ rtd->codec_dai->dai_runtime.fmt =
+ 1 << (ffs(fmt & SND_SOC_DAIFMT_FORMAT_MASK) -1) |
+ 1 << (ffs(fmt & SND_SOC_DAIFMT_CLOCK_MASK) - 1) |
+ 1 << (ffs(fmt & SND_SOC_DAIFMT_INV_MASK) - 1);
+ clk_info.bclk_master =
+ rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK;
+
+ /* make sure the ratio between rate and master
+ * clock is acceptable*/
+ fs = (cpu_dai_mode->fs & codec_dai_mode->fs);
+ if (fs == 0) {
+ dbgc("asoc: DAI[%d:%d] failed to match FS\n", j, k);
+ continue;
+ }
+ clk_info.fs = rtd->cpu_dai->dai_runtime.fs =
+ rtd->codec_dai->dai_runtime.fs = fs;
+
+ /* calculate audio system clocking using slowest clocks possible*/
+ mclk = soc_get_mclk(rtd, &clk_info);
+ if (mclk == 0) {
+ dbgc("asoc: DAI[%d:%d] configuration not clockable\n", j, k);
+ dbgc("asoc: rate %d fs %d master %x\n", rate, fs,
+ clk_info.bclk_master);
+ continue;
+ }
+
+ /* calculate word size (per channel) and frame size */
+ rtd->codec_dai->dai_runtime.pcmfmt =
+ rtd->cpu_dai->dai_runtime.pcmfmt =
+ 1 << params_format(params);
+
+ chn = params_channels(params);
+ /* i2s always has left and right */
+ if (params_channels(params) == 1 &&
+ rtd->cpu_dai->dai_runtime.fmt & (SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_LEFT_J))
+ chn <<= 1;
+
+ /* Calculate bfs - the ratio between bitclock and the sample rate
+ * We must take into consideration the dividers and multipliers
+ * used in the codec and cpu DAI modes. We always choose the
+ * lowest possible clocks to reduce power.
+ */
+ switch (CODEC_CPU(codec_dai_mode->flags, cpu_dai_mode->flags)) {
+ case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_DIV):
+ /* cpu & codec bfs dividers */
+ rtd->cpu_dai->dai_runtime.bfs =
+ rtd->codec_dai->dai_runtime.bfs =
+ 1 << (fls(codec_dai_mode->bfs & cpu_dai_mode->bfs) - 1);
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_RCW):
+ /* normalise bfs codec divider & cpu rcw mult */
+ codec_bfs = soc_bfs_div_to_rcw(codec_dai_mode->bfs, rate,
+ mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ rtd->cpu_dai->dai_runtime.bfs =
+ 1 << (ffs(codec_bfs & cpu_dai_mode->bfs) - 1);
+ cpu_bfs = soc_bfs_rcw_to_div(cpu_dai_mode->bfs, rate, mclk,
+ rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ rtd->codec_dai->dai_runtime.bfs =
+ 1 << (fls(codec_dai_mode->bfs & cpu_bfs) - 1);
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_DIV):
+ /* normalise bfs codec rcw mult & cpu divider */
+ codec_bfs = soc_bfs_rcw_to_div(codec_dai_mode->bfs, rate,
+ mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ rtd->cpu_dai->dai_runtime.bfs =
+ 1 << (fls(codec_bfs & cpu_dai_mode->bfs) -1);
+ cpu_bfs = soc_bfs_div_to_rcw(cpu_dai_mode->bfs, rate, mclk,
+ rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ rtd->codec_dai->dai_runtime.bfs =
+ 1 << (ffs(codec_dai_mode->bfs & cpu_bfs) -1);
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_RCW):
+ /* codec & cpu bfs rate rcw multipliers */
+ rtd->cpu_dai->dai_runtime.bfs =
+ rtd->codec_dai->dai_runtime.bfs =
+ 1 << (ffs(codec_dai_mode->bfs & cpu_dai_mode->bfs) -1);
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_RATE):
+ /* normalise cpu bfs rate const multiplier & codec div */
+ cpu_bfs = soc_bfs_rate_to_div(cpu_dai_mode->bfs, rate,
+ mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ if(codec_dai_mode->bfs & cpu_bfs) {
+ rtd->codec_dai->dai_runtime.bfs = cpu_bfs;
+ rtd->cpu_dai->dai_runtime.bfs = cpu_dai_mode->bfs;
+ } else
+ rtd->cpu_dai->dai_runtime.bfs = 0;
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_RATE):
+ /* normalise cpu bfs rate const multiplier & codec rcw mult */
+ cpu_bfs = soc_bfs_rate_to_rcw(cpu_dai_mode->bfs, rate,
+ mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ if(codec_dai_mode->bfs & cpu_bfs) {
+ rtd->codec_dai->dai_runtime.bfs = cpu_bfs;
+ rtd->cpu_dai->dai_runtime.bfs = cpu_dai_mode->bfs;
+ } else
+ rtd->cpu_dai->dai_runtime.bfs = 0;
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_RCW):
+ /* normalise cpu bfs rate rcw multiplier & codec const mult */
+ codec_bfs = soc_bfs_rate_to_rcw(codec_dai_mode->bfs, rate,
+ mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ if(cpu_dai_mode->bfs & codec_bfs) {
+ rtd->cpu_dai->dai_runtime.bfs = codec_bfs;
+ rtd->codec_dai->dai_runtime.bfs = codec_dai_mode->bfs;
+ } else
+ rtd->cpu_dai->dai_runtime.bfs = 0;
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_DIV):
+ /* normalise cpu bfs div & codec const mult */
+ codec_bfs = soc_bfs_rate_to_div(codec_dai_mode->bfs, rate,
+ mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
+ if(codec_dai_mode->bfs & codec_bfs) {
+ rtd->cpu_dai->dai_runtime.bfs = codec_bfs;
+ rtd->codec_dai->dai_runtime.bfs = codec_dai_mode->bfs;
+ } else
+ rtd->cpu_dai->dai_runtime.bfs = 0;
+ break;
+ case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_RATE):
+ /* cpu & codec constant mult */
+ if(codec_dai_mode->bfs == cpu_dai_mode->bfs)
+ rtd->cpu_dai->dai_runtime.bfs =
+ rtd->codec_dai->dai_runtime.bfs =
+ codec_dai_mode->bfs;
+ else
+ rtd->cpu_dai->dai_runtime.bfs =
+ rtd->codec_dai->dai_runtime.bfs = 0;
+ break;
+ default:
+ if(codec_dai_mode->flags == 0)
+ printk(KERN_ERR "asoc: error missing codec DAI flags\n");
+ else
+ printk(KERN_ERR "asoc: error missing CPU DAI flags\n");
+ break;
+ }
+
+ /* make sure the bit clock speed is acceptable */
+ if (!rtd->cpu_dai->dai_runtime.bfs ||
+ !rtd->codec_dai->dai_runtime.bfs) {
+ dbgc("asoc: DAI[%d:%d] failed to match BFS\n", j, k);
+ dbgc("asoc: cpu_dai %llu codec %llu\n",
+ rtd->cpu_dai->dai_runtime.bfs,
+ rtd->codec_dai->dai_runtime.bfs);
+ dbgc("asoc: mclk %d hwfmt %x\n", mclk, fmt);
+ continue;
+ }
+
+ goto found;
+ }
+ }
+ printk(KERN_ERR "asoc: no matching DAI found between codec and CPU\n");
+ return -EINVAL;
+
+found:
+ /* we have matching DAI's, so complete the runtime info */
+ rtd->codec_dai->dai_runtime.pcmrate =
+ rtd->cpu_dai->dai_runtime.pcmrate =
+ soc_get_rate_format(rate);
+
+ rtd->codec_dai->dai_runtime.priv = codec_dai_mode->priv;
+ rtd->cpu_dai->dai_runtime.priv = cpu_dai_mode->priv;
+ rtd->codec_dai->dai_runtime.flags = codec_dai_mode->flags;
+ rtd->cpu_dai->dai_runtime.flags = cpu_dai_mode->flags;
+
+ /* for debug atm */
+ dbg("asoc: DAI[%d:%d] Match OK\n", j, k);
+ if (rtd->codec_dai->dai_runtime.flags == SND_SOC_DAI_BFS_DIV) {
+ codec_bclk = (rtd->codec_dai->dai_runtime.fs * params_rate(params)) /
+ SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ dbg("asoc: codec fs %d mclk %d bfs div %d bclk %d\n",
+ rtd->codec_dai->dai_runtime.fs, mclk,
+ SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs), codec_bclk);
+ } else if(rtd->codec_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RATE) {
+ codec_bclk = params_rate(params) * rtd->codec_dai->dai_runtime.bfs;
+ dbg("asoc: codec fs %d mclk %d bfs rate mult %llu bclk %d\n",
+ rtd->codec_dai->dai_runtime.fs, mclk,
+ rtd->codec_dai->dai_runtime.bfs, codec_bclk);
+ } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RCW) {
+ codec_bclk = params_rate(params) * params_channels(params) *
+ snd_pcm_format_physical_width(rtd->codec_dai->dai_runtime.pcmfmt) *
+ SND_SOC_FSBW_REAL(rtd->codec_dai->dai_runtime.bfs);
+ dbg("asoc: codec fs %d mclk %d bfs rcw mult %d bclk %d\n",
+ rtd->codec_dai->dai_runtime.fs, mclk,
+ SND_SOC_FSBW_REAL(rtd->codec_dai->dai_runtime.bfs), codec_bclk);
+ } else
+ codec_bclk = 0;
+
+ if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_DIV) {
+ cpu_bclk = (rtd->cpu_dai->dai_runtime.fs * params_rate(params)) /
+ SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs);
+ dbg("asoc: cpu fs %d mclk %d bfs div %d bclk %d\n",
+ rtd->cpu_dai->dai_runtime.fs, mclk,
+ SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs), cpu_bclk);
+ } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RATE) {
+ cpu_bclk = params_rate(params) * rtd->cpu_dai->dai_runtime.bfs;
+ dbg("asoc: cpu fs %d mclk %d bfs rate mult %llu bclk %d\n",
+ rtd->cpu_dai->dai_runtime.fs, mclk,
+ rtd->cpu_dai->dai_runtime.bfs, cpu_bclk);
+ } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RCW) {
+ cpu_bclk = params_rate(params) * params_channels(params) *
+ snd_pcm_format_physical_width(rtd->cpu_dai->dai_runtime.pcmfmt) *
+ SND_SOC_FSBW_REAL(rtd->cpu_dai->dai_runtime.bfs);
+ dbg("asoc: cpu fs %d mclk %d bfs mult rcw %d bclk %d\n",
+ rtd->cpu_dai->dai_runtime.fs, mclk,
+ SND_SOC_FSBW_REAL(rtd->cpu_dai->dai_runtime.bfs), cpu_bclk);
+ } else
+ cpu_bclk = 0;
+
+ /*
+ * Check we have matching bitclocks. If we don't then it means the
+ * sysclock returned by either the codec or cpu DAI (selected by the
+ * machine sysclock function) is wrong compared with the supported DAI
+ * modes for the codec or cpu DAI.
+ */
+ if (cpu_bclk != codec_bclk && cpu_bclk){
+ printk(KERN_ERR
+ "asoc: codec and cpu bitclocks differ, audio may be wrong speed\n"
+ );
+ printk(KERN_ERR "asoc: codec %d != cpu %d\n", codec_bclk, cpu_bclk);
+ }
+
+ switch(rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ dbg("asoc: DAI codec BCLK master, LRC master\n");
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ dbg("asoc: DAI codec BCLK slave, LRC master\n");
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ dbg("asoc: DAI codec BCLK master, LRC slave\n");
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ dbg("asoc: DAI codec BCLK slave, LRC slave\n");
+ break;
+ }
+ dbg("asoc: mode %x, invert %x\n",
+ rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK,
+ rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK);
+ dbg("asoc: audio rate %d chn %d fmt %x\n", params_rate(params),
+ params_channels(params), params_format(params));
+
+ return 0;
+}
+
+static inline u32 get_rates(struct snd_soc_dai_mode *modes, int nmodes)
+{
+ int i;
+ u32 rates = 0;
+
+ for(i = 0; i < nmodes; i++)
+ rates |= modes[i].pcmrate;
+
+ return rates;
+}
+
+static inline u64 get_formats(struct snd_soc_dai_mode *modes, int nmodes)
+{
+ int i;
+ u64 formats = 0;
+
+ for(i = 0; i < nmodes; i++)
+ formats |= modes[i].pcmfmt;
+
+ return formats;
+}
+
+/*
+ * Called by ALSA when a PCM substream is opened, the runtime->hw record is
+ * then initialized and any private data can be allocated. This also calls
+ * startup for the cpu DAI, platform, machine and codec DAI.
+ */
+static int soc_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_soc_machine *machine = socdev->machine;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->cpu_dai;
+ int ret = 0;
+
+ mutex_lock(&pcm_mutex);
+
+ /* startup the audio subsystem */
+ if (rtd->cpu_dai->ops.startup) {
+ ret = rtd->cpu_dai->ops.startup(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't open interface %s\n",
+ rtd->cpu_dai->name);
+ goto out;
+ }
+ }
+
+ if (platform->pcm_ops->open) {
+ ret = platform->pcm_ops->open(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't open platform %s\n", platform->name);
+ goto platform_err;
+ }
+ }
+
+ if (machine->ops && machine->ops->startup) {
+ ret = machine->ops->startup(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: %s startup failed\n", machine->name);
+ goto machine_err;
+ }
+ }
+
+ if (rtd->codec_dai->ops.startup) {
+ ret = rtd->codec_dai->ops.startup(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't open codec %s\n",
+ rtd->codec_dai->name);
+ goto codec_dai_err;
+ }
+ }
+
+ /* create runtime params from DMA, codec and cpu DAI */
+ if (runtime->hw.rates)
+ runtime->hw.rates &=
+ get_rates(codec_dai->caps.mode, codec_dai->caps.num_modes) &
+ get_rates(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
+ else
+ runtime->hw.rates =
+ get_rates(codec_dai->caps.mode, codec_dai->caps.num_modes) &
+ get_rates(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
+ if (runtime->hw.formats)
+ runtime->hw.formats &=
+ get_formats(codec_dai->caps.mode, codec_dai->caps.num_modes) &
+ get_formats(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
+ else
+ runtime->hw.formats =
+ get_formats(codec_dai->caps.mode, codec_dai->caps.num_modes) &
+ get_formats(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
+
+ /* Check that the codec and cpu DAI's are compatible */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ runtime->hw.rate_min =
+ max(rtd->codec_dai->playback.rate_min,
+ rtd->cpu_dai->playback.rate_min);
+ runtime->hw.rate_max =
+ min(rtd->codec_dai->playback.rate_max,
+ rtd->cpu_dai->playback.rate_max);
+ runtime->hw.channels_min =
+ max(rtd->codec_dai->playback.channels_min,
+ rtd->cpu_dai->playback.channels_min);
+ runtime->hw.channels_max =
+ min(rtd->codec_dai->playback.channels_max,
+ rtd->cpu_dai->playback.channels_max);
+ } else {
+ runtime->hw.rate_min =
+ max(rtd->codec_dai->capture.rate_min,
+ rtd->cpu_dai->capture.rate_min);
+ runtime->hw.rate_max =
+ min(rtd->codec_dai->capture.rate_max,
+ rtd->cpu_dai->capture.rate_max);
+ runtime->hw.channels_min =
+ max(rtd->codec_dai->capture.channels_min,
+ rtd->cpu_dai->capture.channels_min);
+ runtime->hw.channels_max =
+ min(rtd->codec_dai->capture.channels_max,
+ rtd->cpu_dai->capture.channels_max);
+ }
+
+ snd_pcm_limit_hw_rates(runtime);
+ if (!runtime->hw.rates) {
+ printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
+ rtd->codec_dai->name, rtd->cpu_dai->name);
+ goto codec_dai_err;
+ }
+ if (!runtime->hw.formats) {
+ printk(KERN_ERR "asoc: %s <-> %s No matching formats\n",
+ rtd->codec_dai->name, rtd->cpu_dai->name);
+ goto codec_dai_err;
+ }
+ if (!runtime->hw.channels_min || !runtime->hw.channels_max) {
+ printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
+ rtd->codec_dai->name, rtd->cpu_dai->name);
+ goto codec_dai_err;
+ }
+
+ dbg("asoc: %s <-> %s info:\n", rtd->codec_dai->name, rtd->cpu_dai->name);
+ dbg("asoc: rate mask 0x%x\n", runtime->hw.rates);
+ dbg("asoc: min ch %d max ch %d\n", runtime->hw.channels_min,
+ runtime->hw.channels_max);
+ dbg("asoc: min rate %d max rate %d\n", runtime->hw.rate_min,
+ runtime->hw.rate_max);
+
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->cpu_dai->playback.active = rtd->codec_dai->playback.active = 1;
+ else
+ rtd->cpu_dai->capture.active = rtd->codec_dai->capture.active = 1;
+ rtd->cpu_dai->active = rtd->codec_dai->active = 1;
+ rtd->cpu_dai->runtime = runtime;
+ socdev->codec->active++;
+ mutex_unlock(&pcm_mutex);
+ return 0;
+
+codec_dai_err:
+ if (machine->ops && machine->ops->shutdown)
+ machine->ops->shutdown(substream);
+
+machine_err:
+ if (platform->pcm_ops->close)
+ platform->pcm_ops->close(substream);
+
+platform_err:
+ if (rtd->cpu_dai->ops.shutdown)
+ rtd->cpu_dai->ops.shutdown(substream);
+out:
+ mutex_unlock(&pcm_mutex);
+ return ret;
+}
+
+/*
+ * Power down the audio subsytem pmdown_time msecs after close is called.
+ * This is to ensure there are no pops or clicks in between any music tracks
+ * due to DAPM power cycling.
+ */
+static void close_delayed_work(void *data)
+{
+ struct snd_soc_device *socdev = data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec_dai *codec_dai;
+ int i;
+
+ mutex_lock(&pcm_mutex);
+ for(i = 0; i < codec->num_dai; i++) {
+ codec_dai = &codec->dai[i];
+
+ dbg("pop wq checking: %s status: %s waiting: %s\n",
+ codec_dai->playback.stream_name,
+ codec_dai->playback.active ? "active" : "inactive",
+ codec_dai->pop_wait ? "yes" : "no");
+
+ /* are we waiting on this codec DAI stream */
+ if (codec_dai->pop_wait == 1) {
+
+ codec_dai->pop_wait = 0;
+ snd_soc_dapm_stream_event(codec, codec_dai->playback.stream_name,
+ SND_SOC_DAPM_STREAM_STOP);
+
+ /* power down the codec power domain if no longer active */
+ if (codec->active == 0) {
+ dbg("pop wq D3 %s %s\n", codec->name,
+ codec_dai->playback.stream_name);
+ if (codec->dapm_event)
+ codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ }
+ }
+ }
+ mutex_unlock(&pcm_mutex);
+}
+
+/*
+ * Called by ALSA when a PCM substream is closed. Private data can be
+ * freed here. The cpu DAI, codec DAI, machine and platform are also
+ * shutdown.
+ */
+static int soc_codec_close(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_machine *machine = socdev->machine;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ mutex_lock(&pcm_mutex);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->cpu_dai->playback.active = rtd->codec_dai->playback.active = 0;
+ else
+ rtd->cpu_dai->capture.active = rtd->codec_dai->capture.active = 0;
+
+ if (rtd->codec_dai->playback.active == 0 &&
+ rtd->codec_dai->capture.active == 0) {
+ rtd->cpu_dai->active = rtd->codec_dai->active = 0;
+ }
+ codec->active--;
+
+ if (rtd->cpu_dai->ops.shutdown)
+ rtd->cpu_dai->ops.shutdown(substream);
+
+ if (rtd->codec_dai->ops.shutdown)
+ rtd->codec_dai->ops.shutdown(substream);
+
+ if (machine->ops && machine->ops->shutdown)
+ machine->ops->shutdown(substream);
+
+ if (platform->pcm_ops->close)
+ platform->pcm_ops->close(substream);
+ rtd->cpu_dai->runtime = NULL;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ /* start delayed pop wq here for playback streams */
+ rtd->codec_dai->pop_wait = 1;
+ queue_delayed_work(soc_workq, &soc_stream_work,
+ msecs_to_jiffies(pmdown_time));
+ } else {
+ /* capture streams can be powered down now */
+ snd_soc_dapm_stream_event(codec, rtd->codec_dai->capture.stream_name,
+ SND_SOC_DAPM_STREAM_STOP);
+
+ if (codec->active == 0 && rtd->codec_dai->pop_wait == 0){
+ if (codec->dapm_event)
+ codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ }
+ }
+
+ mutex_unlock(&pcm_mutex);
+ return 0;
+}
+
+/*
+ * Called by ALSA when the PCM substream is prepared, can set format, sample
+ * rate, etc. This function is non atomic and can be called multiple times,
+ * it can refer to the runtime info.
+ */
+static int soc_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ mutex_lock(&pcm_mutex);
+ if (platform->pcm_ops->prepare) {
+ ret = platform->pcm_ops->prepare(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: platform prepare error\n");
+ goto out;
+ }
+ }
+
+ if (rtd->codec_dai->ops.prepare) {
+ ret = rtd->codec_dai->ops.prepare(substream);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: codec DAI prepare error\n");
+ goto out;
+ }
+ }
+
+ if (rtd->cpu_dai->ops.prepare)
+ ret = rtd->cpu_dai->ops.prepare(substream);
+
+ /* we only want to start a DAPM playback stream if we are not waiting
+ * on an existing one stopping */
+ if (rtd->codec_dai->pop_wait) {
+ /* we are waiting for the delayed work to start */
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ snd_soc_dapm_stream_event(codec,
+ rtd->codec_dai->capture.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+ else {
+ rtd->codec_dai->pop_wait = 0;
+ cancel_delayed_work(&soc_stream_work);
+ if (rtd->codec_dai->digital_mute)
+ rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0);
+ }
+ } else {
+ /* no delayed work - do we need to power up codec */
+ if (codec->dapm_state != SNDRV_CTL_POWER_D0) {
+
+ if (codec->dapm_event)
+ codec->dapm_event(codec, SNDRV_CTL_POWER_D1);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ snd_soc_dapm_stream_event(codec,
+ rtd->codec_dai->playback.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+ else
+ snd_soc_dapm_stream_event(codec,
+ rtd->codec_dai->capture.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+
+ if (codec->dapm_event)
+ codec->dapm_event(codec, SNDRV_CTL_POWER_D0);
+ if (rtd->codec_dai->digital_mute)
+ rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0);
+
+ } else {
+ /* codec already powered - power on widgets */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ snd_soc_dapm_stream_event(codec,
+ rtd->codec_dai->playback.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+ else
+ snd_soc_dapm_stream_event(codec,
+ rtd->codec_dai->capture.stream_name,
+ SND_SOC_DAPM_STREAM_START);
+ if (rtd->codec_dai->digital_mute)
+ rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0);
+ }
+ }
+
+out:
+ mutex_unlock(&pcm_mutex);
+ return ret;
+}
+
+/*
+ * Called by ALSA when the hardware params are set by application. This
+ * function can also be called multiple times and can allocate buffers
+ * (using snd_pcm_lib_* ). It's non-atomic.
+ */
+static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_machine *machine = socdev->machine;
+ int ret = 0;
+
+ mutex_lock(&pcm_mutex);
+
+ /* we don't need to match any AC97 params */
+ if (rtd->cpu_dai->type != SND_SOC_DAI_AC97) {
+ ret = soc_hw_match_params(substream, params);
+ if (ret < 0)
+ goto out;
+ } else {
+ struct snd_soc_clock_info clk_info;
+ clk_info.rate = params_rate(params);
+ ret = soc_get_mclk(rtd, &clk_info);
+ if (ret < 0)
+ goto out;
+ }
+
+ if (rtd->codec_dai->ops.hw_params) {
+ ret = rtd->codec_dai->ops.hw_params(substream, params);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't set codec %s hw params\n",
+ rtd->codec_dai->name);
+ goto out;
+ }
+ }
+
+ if (rtd->cpu_dai->ops.hw_params) {
+ ret = rtd->cpu_dai->ops.hw_params(substream, params);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't set interface %s hw params\n",
+ rtd->cpu_dai->name);
+ goto interface_err;
+ }
+ }
+
+ if (platform->pcm_ops->hw_params) {
+ ret = platform->pcm_ops->hw_params(substream, params);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't set platform %s hw params\n",
+ platform->name);
+ goto platform_err;
+ }
+ }
+
+ if (machine->ops && machine->ops->hw_params) {
+ ret = machine->ops->hw_params(substream, params);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: machine hw_params failed\n");
+ goto machine_err;
+ }
+ }
+
+out:
+ mutex_unlock(&pcm_mutex);
+ return ret;
+
+machine_err:
+ if (platform->pcm_ops->hw_free)
+ platform->pcm_ops->hw_free(substream);
+
+platform_err:
+ if (rtd->cpu_dai->ops.hw_free)
+ rtd->cpu_dai->ops.hw_free(substream);
+
+interface_err:
+ if (rtd->codec_dai->ops.hw_free)
+ rtd->codec_dai->ops.hw_free(substream);
+
+ mutex_unlock(&pcm_mutex);
+ return ret;
+}
+
+/*
+ * Free's resources allocated by hw_params, can be called multiple times
+ */
+static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_machine *machine = socdev->machine;
+
+ mutex_lock(&pcm_mutex);
+
+ /* apply codec digital mute */
+ if (!codec->active && rtd->codec_dai->digital_mute)
+ rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 1);
+
+ /* free any machine hw params */
+ if (machine->ops && machine->ops->hw_free)
+ machine->ops->hw_free(substream);
+
+ /* free any DMA resources */
+ if (platform->pcm_ops->hw_free)
+ platform->pcm_ops->hw_free(substream);
+
+ /* now free hw params for the DAI's */
+ if (rtd->codec_dai->ops.hw_free)
+ rtd->codec_dai->ops.hw_free(substream);
+
+ if (rtd->cpu_dai->ops.hw_free)
+ rtd->cpu_dai->ops.hw_free(substream);
+
+ mutex_unlock(&pcm_mutex);
+ return 0;
+}
+
+static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_platform *platform = socdev->platform;
+ int ret;
+
+ if (rtd->codec_dai->ops.trigger) {
+ ret = rtd->codec_dai->ops.trigger(substream, cmd);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (platform->pcm_ops->trigger) {
+ ret = platform->pcm_ops->trigger(substream, cmd);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (rtd->cpu_dai->ops.trigger) {
+ ret = rtd->cpu_dai->ops.trigger(substream, cmd);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+/* ASoC PCM operations */
+static struct snd_pcm_ops soc_pcm_ops = {
+ .open = soc_pcm_open,
+ .close = soc_codec_close,
+ .hw_params = soc_pcm_hw_params,
+ .hw_free = soc_pcm_hw_free,
+ .prepare = soc_pcm_prepare,
+ .trigger = soc_pcm_trigger,
+};
+
+#ifdef CONFIG_PM
+/* powers down audio subsystem for suspend */
+static int soc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_machine *machine = socdev->machine;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+
+ /* mute any active DAC's */
+ for(i = 0; i < machine->num_links; i++) {
+ struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai;
+ if (dai->digital_mute && dai->playback.active)
+ dai->digital_mute(codec, dai, 1);
+ }
+
+ if (machine->suspend_pre)
+ machine->suspend_pre(pdev, state);
+
+ for(i = 0; i < machine->num_links; i++) {
+ struct snd_soc_cpu_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ if (cpu_dai->suspend && cpu_dai->type != SND_SOC_DAI_AC97)
+ cpu_dai->suspend(pdev, cpu_dai);
+ if (platform->suspend)
+ platform->suspend(pdev, cpu_dai);
+ }
+
+ /* close any waiting streams and save state */
+ flush_workqueue(soc_workq);
+ codec->suspend_dapm_state = codec->dapm_state;
+
+ for(i = 0; i < codec->num_dai; i++) {
+ char *stream = codec->dai[i].playback.stream_name;
+ if (stream != NULL)
+ snd_soc_dapm_stream_event(codec, stream,
+ SND_SOC_DAPM_STREAM_SUSPEND);
+ stream = codec->dai[i].capture.stream_name;
+ if (stream != NULL)
+ snd_soc_dapm_stream_event(codec, stream,
+ SND_SOC_DAPM_STREAM_SUSPEND);
+ }
+
+ if (codec_dev->suspend)
+ codec_dev->suspend(pdev, state);
+
+ for(i = 0; i < machine->num_links; i++) {
+ struct snd_soc_cpu_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ if (cpu_dai->suspend && cpu_dai->type == SND_SOC_DAI_AC97)
+ cpu_dai->suspend(pdev, cpu_dai);
+ }
+
+ if (machine->suspend_post)
+ machine->suspend_post(pdev, state);
+
+ return 0;
+}
+
+/* powers up audio subsystem after a suspend */
+static int soc_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_machine *machine = socdev->machine;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+
+ if (machine->resume_pre)
+ machine->resume_pre(pdev);
+
+ for(i = 0; i < machine->num_links; i++) {
+ struct snd_soc_cpu_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ if (cpu_dai->resume && cpu_dai->type == SND_SOC_DAI_AC97)
+ cpu_dai->resume(pdev, cpu_dai);
+ }
+
+ if (codec_dev->resume)
+ codec_dev->resume(pdev);
+
+ for(i = 0; i < codec->num_dai; i++) {
+ char* stream = codec->dai[i].playback.stream_name;
+ if (stream != NULL)
+ snd_soc_dapm_stream_event(codec, stream,
+ SND_SOC_DAPM_STREAM_RESUME);
+ stream = codec->dai[i].capture.stream_name;
+ if (stream != NULL)
+ snd_soc_dapm_stream_event(codec, stream,
+ SND_SOC_DAPM_STREAM_RESUME);
+ }
+
+ /* unmute any active DAC's */
+ for(i = 0; i < machine->num_links; i++) {
+ struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai;
+ if (dai->digital_mute && dai->playback.active)
+ dai->digital_mute(codec, dai, 0);
+ }
+
+ for(i = 0; i < machine->num_links; i++) {
+ struct snd_soc_cpu_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ if (cpu_dai->resume && cpu_dai->type != SND_SOC_DAI_AC97)
+ cpu_dai->resume(pdev, cpu_dai);
+ if (platform->resume)
+ platform->resume(pdev, cpu_dai);
+ }
+
+ if (machine->resume_post)
+ machine->resume_post(pdev);
+
+ return 0;
+}
+
+#else
+#define soc_suspend NULL
+#define soc_resume NULL
+#endif
+
+/* probes a new socdev */
+static int soc_probe(struct platform_device *pdev)
+{
+ int ret = 0, i;
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_machine *machine = socdev->machine;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
+
+ if (machine->probe) {
+ ret = machine->probe(pdev);
+ if(ret < 0)
+ return ret;
+ }
+
+ for (i = 0; i < machine->num_links; i++) {
+ struct snd_soc_cpu_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ if (cpu_dai->probe) {
+ ret = cpu_dai->probe(pdev);
+ if(ret < 0)
+ goto cpu_dai_err;
+ }
+ }
+
+ if (codec_dev->probe) {
+ ret = codec_dev->probe(pdev);
+ if(ret < 0)
+ goto cpu_dai_err;
+ }
+
+ if (platform->probe) {
+ ret = platform->probe(pdev);
+ if(ret < 0)
+ goto platform_err;
+ }
+
+ /* DAPM stream work */
+ soc_workq = create_workqueue("kdapm");
+ if (soc_workq == NULL)
+ goto work_err;
+ INIT_WORK(&soc_stream_work, close_delayed_work, socdev);
+ return 0;
+
+work_err:
+ if (platform->remove)
+ platform->remove(pdev);
+
+platform_err:
+ if (codec_dev->remove)
+ codec_dev->remove(pdev);
+
+cpu_dai_err:
+ for (i--; i > 0; i--) {
+ struct snd_soc_cpu_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ if (cpu_dai->remove)
+ cpu_dai->remove(pdev);
+ }
+
+ if (machine->remove)
+ machine->remove(pdev);
+
+ return ret;
+}
+
+/* removes a socdev */
+static int soc_remove(struct platform_device *pdev)
+{
+ int i;
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_machine *machine = socdev->machine;
+ struct snd_soc_platform *platform = socdev->platform;
+ struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
+
+ if (soc_workq)
+ destroy_workqueue(soc_workq);
+
+ if (platform->remove)
+ platform->remove(pdev);
+
+ if (codec_dev->remove)
+ codec_dev->remove(pdev);
+
+ for (i = 0; i < machine->num_links; i++) {
+ struct snd_soc_cpu_dai *cpu_dai = machine->dai_link[i].cpu_dai;
+ if (cpu_dai->remove)
+ cpu_dai->remove(pdev);
+ }
+
+ if (machine->remove)
+ machine->remove(pdev);
+
+ return 0;
+}
+
+/* ASoC platform driver */
+static struct platform_driver soc_driver = {
+ .driver = {
+ .name = "soc-audio",
+ },
+ .probe = soc_probe,
+ .remove = soc_remove,
+ .suspend = soc_suspend,
+ .resume = soc_resume,
+};
+
+/* create a new pcm */
+static int soc_new_pcm(struct snd_soc_device *socdev,
+ struct snd_soc_dai_link *dai_link, int num)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec_dai *codec_dai = dai_link->codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai = dai_link->cpu_dai;
+ struct snd_soc_pcm_runtime *rtd;
+ struct snd_pcm *pcm;
+ char new_name[64];
+ int ret = 0, playback = 0, capture = 0;
+
+ rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime), GFP_KERNEL);
+ if (rtd == NULL)
+ return -ENOMEM;
+ rtd->cpu_dai = cpu_dai;
+ rtd->codec_dai = codec_dai;
+ rtd->socdev = socdev;
+
+ /* check client and interface hw capabilities */
+ sprintf(new_name, "%s %s-%s-%d",dai_link->stream_name, codec_dai->name,
+ get_dai_name(cpu_dai->type), num);
+
+ if (codec_dai->playback.channels_min)
+ playback = 1;
+ if (codec_dai->capture.channels_min)
+ capture = 1;
+
+ ret = snd_pcm_new(codec->card, new_name, codec->pcm_devs++, playback,
+ capture, &pcm);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't create pcm for codec %s\n", codec->name);
+ kfree(rtd);
+ return ret;
+ }
+
+ pcm->private_data = rtd;
+ soc_pcm_ops.mmap = socdev->platform->pcm_ops->mmap;
+ soc_pcm_ops.pointer = socdev->platform->pcm_ops->pointer;
+ soc_pcm_ops.ioctl = socdev->platform->pcm_ops->ioctl;
+ soc_pcm_ops.copy = socdev->platform->pcm_ops->copy;
+ soc_pcm_ops.silence = socdev->platform->pcm_ops->silence;
+ soc_pcm_ops.ack = socdev->platform->pcm_ops->ack;
+ soc_pcm_ops.page = socdev->platform->pcm_ops->page;
+
+ if (playback)
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops);
+
+ if (capture)
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops);
+
+ ret = socdev->platform->pcm_new(codec->card, codec_dai, pcm);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: platform pcm constructor failed\n");
+ kfree(rtd);
+ return ret;
+ }
+
+ pcm->private_free = socdev->platform->pcm_free;
+ printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name,
+ cpu_dai->name);
+ return ret;
+}
+
+/* codec register dump */
+static ssize_t codec_reg_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct snd_soc_device *devdata = dev_get_drvdata(dev);
+ struct snd_soc_codec *codec = devdata->codec;
+ int i, step = 1, count = 0;
+
+ if (!codec->reg_cache_size)
+ return 0;
+
+ if (codec->reg_cache_step)
+ step = codec->reg_cache_step;
+
+ count += sprintf(buf, "%s registers\n", codec->name);
+ for(i = 0; i < codec->reg_cache_size; i += step)
+ count += sprintf(buf + count, "%2x: %4x\n", i, codec->read(codec, i));
+
+ return count;
+}
+static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
+
+/**
+ * snd_soc_new_ac97_codec - initailise AC97 device
+ * @codec: audio codec
+ * @ops: AC97 bus operations
+ * @num: AC97 codec number
+ *
+ * Initialises AC97 codec resources for use by ad-hoc devices only.
+ */
+int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
+ struct snd_ac97_bus_ops *ops, int num)
+{
+ mutex_lock(&codec->mutex);
+
+ codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
+ if (codec->ac97 == NULL) {
+ mutex_unlock(&codec->mutex);
+ return -ENOMEM;
+ }
+
+ codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL);
+ if (codec->ac97->bus == NULL) {
+ kfree(codec->ac97);
+ codec->ac97 = NULL;
+ mutex_unlock(&codec->mutex);
+ return -ENOMEM;
+ }
+
+ codec->ac97->bus->ops = ops;
+ codec->ac97->num = num;
+ mutex_unlock(&codec->mutex);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
+
+/**
+ * snd_soc_free_ac97_codec - free AC97 codec device
+ * @codec: audio codec
+ *
+ * Frees AC97 codec device resources.
+ */
+void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
+{
+ mutex_lock(&codec->mutex);
+ kfree(codec->ac97->bus);
+ kfree(codec->ac97);
+ codec->ac97 = NULL;
+ mutex_unlock(&codec->mutex);
+}
+EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
+
+/**
+ * snd_soc_update_bits - update codec register bits
+ * @codec: audio codec
+ * @reg: codec register
+ * @mask: register mask
+ * @value: new value
+ *
+ * Writes new register value.
+ *
+ * Returns 1 for change else 0.
+ */
+int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
+ unsigned short mask, unsigned short value)
+{
+ int change;
+ unsigned short old, new;
+
+ mutex_lock(&io_mutex);
+ old = snd_soc_read(codec, reg);
+ new = (old & ~mask) | value;
+ change = old != new;
+ if (change)
+ snd_soc_write(codec, reg, new);
+
+ mutex_unlock(&io_mutex);
+ return change;
+}
+EXPORT_SYMBOL_GPL(snd_soc_update_bits);
+
+/**
+ * snd_soc_test_bits - test register for change
+ * @codec: audio codec
+ * @reg: codec register
+ * @mask: register mask
+ * @value: new value
+ *
+ * Tests a register with a new value and checks if the new value is
+ * different from the old value.
+ *
+ * Returns 1 for change else 0.
+ */
+int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
+ unsigned short mask, unsigned short value)
+{
+ int change;
+ unsigned short old, new;
+
+ mutex_lock(&io_mutex);
+ old = snd_soc_read(codec, reg);
+ new = (old & ~mask) | value;
+ change = old != new;
+ mutex_unlock(&io_mutex);
+
+ return change;
+}
+EXPORT_SYMBOL_GPL(snd_soc_test_bits);
+
+/**
+ * snd_soc_get_rate - get int sample rate
+ * @hwpcmrate: the hardware pcm rate
+ *
+ * Returns the audio rate integaer value, else 0.
+ */
+int snd_soc_get_rate(int hwpcmrate)
+{
+ int rate = ffs(hwpcmrate) - 1;
+
+ if (rate > ARRAY_SIZE(rates))
+ return 0;
+ return rates[rate];
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_rate);
+
+/**
+ * snd_soc_new_pcms - create new sound card and pcms
+ * @socdev: the SoC audio device
+ *
+ * Create a new sound card based upon the codec and interface pcms.
+ *
+ * Returns 0 for success, else error.
+ */
+int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char * xid)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_machine *machine = socdev->machine;
+ int ret = 0, i;
+
+ mutex_lock(&codec->mutex);
+
+ /* register a sound card */
+ codec->card = snd_card_new(idx, xid, codec->owner, 0);
+ if (!codec->card) {
+ printk(KERN_ERR "asoc: can't create sound card for codec %s\n",
+ codec->name);
+ mutex_unlock(&codec->mutex);
+ return -ENODEV;
+ }
+
+ codec->card->dev = socdev->dev;
+ codec->card->private_data = codec;
+ strncpy(codec->card->driver, codec->name, sizeof(codec->card->driver));
+
+ /* create the pcms */
+ for(i = 0; i < machine->num_links; i++) {
+ ret = soc_new_pcm(socdev, &machine->dai_link[i], i);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't create pcm %s\n",
+ machine->dai_link[i].stream_name);
+ mutex_unlock(&codec->mutex);
+ return ret;
+ }
+ }
+
+ mutex_unlock(&codec->mutex);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_new_pcms);
+
+/**
+ * snd_soc_register_card - register sound card
+ * @socdev: the SoC audio device
+ *
+ * Register a SoC sound card. Also registers an AC97 device if the
+ * codec is AC97 for ad hoc devices.
+ *
+ * Returns 0 for success, else error.
+ */
+int snd_soc_register_card(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_machine *machine = socdev->machine;
+ int ret = 0, i, ac97 = 0, err = 0;
+
+ mutex_lock(&codec->mutex);
+ for(i = 0; i < machine->num_links; i++) {
+ if (socdev->machine->dai_link[i].init) {
+ err = socdev->machine->dai_link[i].init(codec);
+ if (err < 0) {
+ printk(KERN_ERR "asoc: failed to init %s\n",
+ socdev->machine->dai_link[i].stream_name);
+ continue;
+ }
+ }
+ if (socdev->machine->dai_link[i].cpu_dai->type == SND_SOC_DAI_AC97)
+ ac97 = 1;
+ }
+ snprintf(codec->card->shortname, sizeof(codec->card->shortname),
+ "%s", machine->name);
+ snprintf(codec->card->longname, sizeof(codec->card->longname),
+ "%s (%s)", machine->name, codec->name);
+
+ ret = snd_card_register(codec->card);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to register soundcard for codec %s\n",
+ codec->name);
+ goto out;
+ }
+
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ if (ac97) {
+ ret = soc_ac97_dev_register(codec);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: AC97 device register failed\n");
+ snd_card_free(codec->card);
+ goto out;
+ }
+ }
+#endif
+
+ err = snd_soc_dapm_sys_add(socdev->dev);
+ if (err < 0)
+ printk(KERN_WARNING "asoc: failed to add dapm sysfs entries\n");
+
+ err = device_create_file(socdev->dev, &dev_attr_codec_reg);
+ if (err < 0)
+ printk(KERN_WARNING "asoc: failed to add codec sysfs entries\n");
+out:
+ mutex_unlock(&codec->mutex);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_card);
+
+/**
+ * snd_soc_free_pcms - free sound card and pcms
+ * @socdev: the SoC audio device
+ *
+ * Frees sound card and pcms associated with the socdev.
+ * Also unregister the codec if it is an AC97 device.
+ */
+void snd_soc_free_pcms(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+
+ mutex_lock(&codec->mutex);
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ if (codec->ac97)
+ soc_ac97_dev_unregister(codec);
+#endif
+
+ if (codec->card)
+ snd_card_free(codec->card);
+ device_remove_file(socdev->dev, &dev_attr_codec_reg);
+ mutex_unlock(&codec->mutex);
+}
+EXPORT_SYMBOL_GPL(snd_soc_free_pcms);
+
+/**
+ * snd_soc_set_runtime_hwparams - set the runtime hardware parameters
+ * @substream: the pcm substream
+ * @hw: the hardware parameters
+ *
+ * Sets the substream runtime hardware parameters.
+ */
+int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
+ const struct snd_pcm_hardware *hw)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ runtime->hw.info = hw->info;
+ runtime->hw.formats = hw->formats;
+ runtime->hw.period_bytes_min = hw->period_bytes_min;
+ runtime->hw.period_bytes_max = hw->period_bytes_max;
+ runtime->hw.periods_min = hw->periods_min;
+ runtime->hw.periods_max = hw->periods_max;
+ runtime->hw.buffer_bytes_max = hw->buffer_bytes_max;
+ runtime->hw.fifo_size = hw->fifo_size;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams);
+
+/**
+ * snd_soc_cnew - create new control
+ * @_template: control template
+ * @data: control private data
+ * @lnng_name: control long name
+ *
+ * Create a new mixer control from a template control.
+ *
+ * Returns 0 for success, else error.
+ */
+struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
+ void *data, char *long_name)
+{
+ struct snd_kcontrol_new template;
+
+ memcpy(&template, _template, sizeof(template));
+ if (long_name)
+ template.name = long_name;
+ template.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
+ template.index = 0;
+
+ return snd_ctl_new1(&template, data);
+}
+EXPORT_SYMBOL_GPL(snd_soc_cnew);
+
+/**
+ * snd_soc_info_enum_double - enumerated double mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a double enumerated
+ * mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
+ uinfo->value.enumerated.items = e->mask;
+
+ if (uinfo->value.enumerated.item > e->mask - 1)
+ uinfo->value.enumerated.item = e->mask - 1;
+ strcpy(uinfo->value.enumerated.name,
+ e->texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
+
+/**
+ * snd_soc_get_enum_double - enumerated double mixer get callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to get the value of a double enumerated mixer.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short val, bitmask;
+
+ for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ ;
+ val = snd_soc_read(codec, e->reg);
+ ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
+ if (e->shift_l != e->shift_r)
+ ucontrol->value.enumerated.item[1] =
+ (val >> e->shift_r) & (bitmask - 1);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
+
+/**
+ * snd_soc_put_enum_double - enumerated double mixer put callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to set the value of a double enumerated mixer.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned short val;
+ unsigned short mask, bitmask;
+
+ for (bitmask = 1; bitmask < e->mask; bitmask <<= 1)
+ ;
+ if (ucontrol->value.enumerated.item[0] > e->mask - 1)
+ return -EINVAL;
+ val = ucontrol->value.enumerated.item[0] << e->shift_l;
+ mask = (bitmask - 1) << e->shift_l;
+ if (e->shift_l != e->shift_r) {
+ if (ucontrol->value.enumerated.item[1] > e->mask - 1)
+ return -EINVAL;
+ val |= ucontrol->value.enumerated.item[1] << e->shift_r;
+ mask |= (bitmask - 1) << e->shift_r;
+ }
+
+ return snd_soc_update_bits(codec, e->reg, mask, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
+
+/**
+ * snd_soc_info_enum_ext - external enumerated single mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about an external enumerated
+ * single mixer.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = e->mask;
+
+ if (uinfo->value.enumerated.item > e->mask - 1)
+ uinfo->value.enumerated.item = e->mask - 1;
+ strcpy(uinfo->value.enumerated.name,
+ e->texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext);
+
+/**
+ * snd_soc_info_volsw_ext - external single mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a single external mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int mask = kcontrol->private_value;
+
+ uinfo->type =
+ mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext);
+
+/**
+ * snd_soc_info_bool_ext - external single boolean mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a single boolean external mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_bool_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_bool_ext);
+
+/**
+ * snd_soc_info_volsw - single mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a single mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0x0f;
+ int rshift = (kcontrol->private_value >> 12) & 0x0f;
+
+ uinfo->type =
+ mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = shift == rshift ? 1 : 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
+
+/**
+ * snd_soc_get_volsw - single mixer get callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to get the value of a single mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0x0f;
+ int rshift = (kcontrol->private_value >> 12) & 0x0f;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0x01;
+
+ ucontrol->value.integer.value[0] =
+ (snd_soc_read(codec, reg) >> shift) & mask;
+ if (shift != rshift)
+ ucontrol->value.integer.value[1] =
+ (snd_soc_read(codec, reg) >> rshift) & mask;
+ if (invert) {
+ ucontrol->value.integer.value[0] =
+ mask - ucontrol->value.integer.value[0];
+ if (shift != rshift)
+ ucontrol->value.integer.value[1] =
+ mask - ucontrol->value.integer.value[1];
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
+
+/**
+ * snd_soc_put_volsw - single mixer put callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to set the value of a single mixer control.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0x0f;
+ int rshift = (kcontrol->private_value >> 12) & 0x0f;
+ int mask = (kcontrol->private_value >> 16) & 0xff;
+ int invert = (kcontrol->private_value >> 24) & 0x01;
+ int err;
+ unsigned short val, val2, val_mask;
+
+ val = (ucontrol->value.integer.value[0] & mask);
+ if (invert)
+ val = mask - val;
+ val_mask = mask << shift;
+ val = val << shift;
+ if (shift != rshift) {
+ val2 = (ucontrol->value.integer.value[1] & mask);
+ if (invert)
+ val2 = mask - val2;
+ val_mask |= mask << rshift;
+ val |= val2 << rshift;
+ }
+ err = snd_soc_update_bits(codec, reg, val_mask, val);
+ return err;
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
+
+/**
+ * snd_soc_info_volsw_2r - double mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a double mixer control that
+ * spans 2 codec registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ int mask = (kcontrol->private_value >> 12) & 0xff;
+
+ uinfo->type =
+ mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = mask;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
+
+/**
+ * snd_soc_get_volsw_2r - double mixer get callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to get the value of a double mixer control that spans 2 registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int reg2 = (kcontrol->private_value >> 24) & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0x0f;
+ int mask = (kcontrol->private_value >> 12) & 0xff;
+ int invert = (kcontrol->private_value >> 20) & 0x01;
+
+ ucontrol->value.integer.value[0] =
+ (snd_soc_read(codec, reg) >> shift) & mask;
+ ucontrol->value.integer.value[1] =
+ (snd_soc_read(codec, reg2) >> shift) & mask;
+ if (invert) {
+ ucontrol->value.integer.value[0] =
+ mask - ucontrol->value.integer.value[0];
+ ucontrol->value.integer.value[1] =
+ mask - ucontrol->value.integer.value[1];
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r);
+
+/**
+ * snd_soc_put_volsw_2r - double mixer set callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to set the value of a double mixer control that spans 2 registers.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int reg = kcontrol->private_value & 0xff;
+ int reg2 = (kcontrol->private_value >> 24) & 0xff;
+ int shift = (kcontrol->private_value >> 8) & 0x0f;
+ int mask = (kcontrol->private_value >> 12) & 0xff;
+ int invert = (kcontrol->private_value >> 20) & 0x01;
+ int err;
+ unsigned short val, val2, val_mask;
+
+ val_mask = mask << shift;
+ val = (ucontrol->value.integer.value[0] & mask);
+ val2 = (ucontrol->value.integer.value[1] & mask);
+
+ if (invert) {
+ val = mask - val;
+ val2 = mask - val2;
+ }
+
+ val = val << shift;
+ val2 = val2 << shift;
+
+ if ((err = snd_soc_update_bits(codec, reg, val_mask, val)) < 0)
+ return err;
+
+ err = snd_soc_update_bits(codec, reg2, val_mask, val2);
+ return err;
+}
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r);
+
+static int __devinit snd_soc_init(void)
+{
+ printk(KERN_INFO "ASoC version %s\n", SND_SOC_VERSION);
+ return platform_driver_register(&soc_driver);
+}
+
+static void snd_soc_exit(void)
+{
+ platform_driver_unregister(&soc_driver);
+}
+
+module_init(snd_soc_init);
+module_exit(snd_soc_exit);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC Core");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/at91/Kconfig
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/at91/Kconfig
@@ -0,0 +1,24 @@
+menu "SoC Audio for the Atmel AT91"
+
+config SND_AT91_SOC
+ tristate "SoC Audio for the Atmel AT91 System-on-Chip"
+ depends on ARCH_AT91 && SND
+ select SND_PCM
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the AT91 SSC interface. You will also need
+ to select the audio interfaces to support below.
+
+config SND_AT91_SOC_I2S
+ tristate
+
+config SND_AT91_SOC_ETI_B1_WM8731
+ tristate "SoC I2S Audio support for Endrelia ETI-B1 board"
+ depends on SND_AT91_SOC && MACH_ETI_B1
+ select SND_AT91_SOC_I2S
+ select SND_SOC_WM8731
+ help
+ Say Y if you want to add support for SoC audio on Endrelia
+ ETI-B1 board.
+
+endmenu
Index: linux-2.6-pxa-new/sound/soc/at91/Makefile
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/at91/Makefile
@@ -0,0 +1,11 @@
+# AT91 Platform Support
+snd-soc-at91-objs := at91rm9200-pcm.o
+snd-soc-at91-i2s-objs := at91rm9200-i2s.o
+
+obj-$(CONFIG_SND_AT91_SOC) += snd-soc-at91.o
+obj-$(CONFIG_SND_AT91_SOC_I2S) += snd-soc-at91-i2s.o
+
+# AT91 Machine Support
+snd-soc-eti-b1-wm8731-objs := eti_b1_wm8731.o
+
+obj-$(CONFIG_SND_AT91_SOC_ETI_B1_WM8731) += snd-soc-eti-b1-wm8731.o
Index: linux-2.6-pxa-new/sound/soc/at91/at91rm9200-i2s.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/at91/at91rm9200-i2s.c
@@ -0,0 +1,715 @@
+/*
+ * at91rm9200-i2s.c -- ALSA Soc Audio Layer Platform driver and DMA engine
+ *
+ * Author: Frank Mandarino <fmandarino@endrelia.com>
+ * Endrelia Technologies Inc.
+ *
+ * Based on pxa2xx Platform drivers by
+ * Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 3rd Mar 2006 Initial version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/arch/at91rm9200.h>
+#include <asm/arch/at91rm9200_ssc.h>
+#include <asm/arch/at91rm9200_pdc.h>
+#include <asm/arch/hardware.h>
+
+#include "at91rm9200-pcm.h"
+
+#if 0
+#define DBG(x...) printk(KERN_DEBUG "at91rm9200-i2s:" x)
+#else
+#define DBG(x...)
+#endif
+
+#define AT91RM9200_I2S_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_NB_NF)
+
+#define AT91RM9200_I2S_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+/* priv is (SSC_CMR.DIV << 16 | SSC_TCMR.PERIOD ) */
+static struct snd_soc_dai_mode at91rm9200_i2s[] = {
+
+ /* 8k: BCLK = (MCLK/10) = (60MHz/50) = 1.2MHz */
+ {
+ .fmt = AT91RM9200_I2S_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = AT91RM9200_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1500,
+ .bfs = SND_SOC_FSBD(10),
+ .priv = (25 << 16 | 74),
+ },
+
+ /* 16k: BCLK = (MCLK/3) ~= (60MHz/14) = 4.285714MHz */
+ {
+ .fmt = AT91RM9200_I2S_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_16000,
+ .pcmdir = AT91RM9200_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 750,
+ .bfs = SND_SOC_FSBD(3),
+ .priv = (7 << 16 | 133),
+ },
+
+ /* 32k: BCLK = (MCLK/3) ~= (60MHz/14) = 4.285714MHz */
+ {
+ .fmt = AT91RM9200_I2S_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = AT91RM9200_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 375,
+ .bfs = SND_SOC_FSBD(3),
+ .priv = (7 << 16 | 66),
+ },
+
+ /* 48k: BCLK = (MCLK/5) ~= (60MHz/26) = 2.3076923MHz */
+ {
+ .fmt = AT91RM9200_I2S_DAIFMT,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = AT91RM9200_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 250,
+ .bfs SND_SOC_FSBD(5),
+ .priv = (13 << 16 | 23),
+ },
+};
+
+
+/*
+ * SSC registers required by the PCM DMA engine.
+ */
+static struct at91rm9200_ssc_regs ssc_reg[3] = {
+ {
+ .cr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_SSC_CR),
+ .ier = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_SSC_IER),
+ .idr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_SSC_IDR),
+ },
+ {
+ .cr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_SSC_CR),
+ .ier = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_SSC_IER),
+ .idr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_SSC_IDR),
+ },
+ {
+ .cr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_SSC_CR),
+ .ier = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_SSC_IER),
+ .idr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_SSC_IDR),
+ },
+};
+
+static struct at91rm9200_pdc_regs pdc_tx_reg[3] = {
+ {
+ .xpr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_TPR),
+ .xcr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_TCR),
+ .xnpr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_TNPR),
+ .xncr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_TNCR),
+ .ptcr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_PTCR),
+ },
+ {
+ .xpr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_TPR),
+ .xcr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_TCR),
+ .xnpr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_TNPR),
+ .xncr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_TNCR),
+ .ptcr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_PTCR),
+ },
+ {
+ .xpr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_TPR),
+ .xcr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_TCR),
+ .xnpr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_TNPR),
+ .xncr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_TNCR),
+ .ptcr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_PTCR),
+ },
+};
+
+static struct at91rm9200_pdc_regs pdc_rx_reg[3] = {
+ {
+ .xpr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_RPR),
+ .xcr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_RCR),
+ .xnpr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_RNPR),
+ .xncr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_RNCR),
+ .ptcr = (void __iomem *) (AT91_VA_BASE_SSC0 + AT91_PDC_PTCR),
+ },
+ {
+ .xpr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_RPR),
+ .xcr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_RCR),
+ .xnpr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_RNPR),
+ .xncr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_RNCR),
+ .ptcr = (void __iomem *) (AT91_VA_BASE_SSC1 + AT91_PDC_PTCR),
+ },
+ {
+ .xpr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_RPR),
+ .xcr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_RCR),
+ .xnpr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_RNPR),
+ .xncr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_RNCR),
+ .ptcr = (void __iomem *) (AT91_VA_BASE_SSC2 + AT91_PDC_PTCR),
+ },
+};
+
+/*
+ * SSC & PDC status bits for transmit and receive.
+ */
+static struct at91rm9200_ssc_mask ssc_tx_mask = {
+ .ssc_enable = AT91_SSC_TXEN,
+ .ssc_disable = AT91_SSC_TXDIS,
+ .ssc_endx = AT91_SSC_ENDTX,
+ .ssc_endbuf = AT91_SSC_TXBUFE,
+ .pdc_enable = AT91_PDC_TXTEN,
+ .pdc_disable = AT91_PDC_TXTDIS,
+};
+
+static struct at91rm9200_ssc_mask ssc_rx_mask = {
+ .ssc_enable = AT91_SSC_RXEN,
+ .ssc_disable = AT91_SSC_RXDIS,
+ .ssc_endx = AT91_SSC_ENDRX,
+ .ssc_endbuf = AT91_SSC_RXBUFF,
+ .pdc_enable = AT91_PDC_RXTEN,
+ .pdc_disable = AT91_PDC_RXTDIS,
+};
+
+/*
+ * A MUTEX is used to protect an SSC initialzed flag which allows
+ * the substream hw_params() call to initialize the SSC only if
+ * there are no other substreams open. If there are other
+ * substreams open, the hw_param() call can only check that
+ * it is using the same format and rate.
+ */
+static DECLARE_MUTEX(ssc0_mutex);
+static DECLARE_MUTEX(ssc1_mutex);
+static DECLARE_MUTEX(ssc2_mutex);
+
+/*
+ * DMA parameters.
+ */
+static at91rm9200_pcm_dma_params_t ssc_dma_params[3][2] = {
+ {{
+ .name = "SSC0/I2S PCM Stereo out",
+ .ssc = &ssc_reg[0],
+ .pdc = &pdc_tx_reg[0],
+ .mask = &ssc_tx_mask,
+ },
+ {
+ .name = "SSC0/I2S PCM Stereo in",
+ .ssc = &ssc_reg[0],
+ .pdc = &pdc_rx_reg[0],
+ .mask = &ssc_rx_mask,
+ }},
+ {{
+ .name = "SSC1/I2S PCM Stereo out",
+ .ssc = &ssc_reg[1],
+ .pdc = &pdc_tx_reg[1],
+ .mask = &ssc_tx_mask,
+ },
+ {
+ .name = "SSC1/I2S PCM Stereo in",
+ .ssc = &ssc_reg[1],
+ .pdc = &pdc_rx_reg[1],
+ .mask = &ssc_rx_mask,
+ }},
+ {{
+ .name = "SSC2/I2S PCM Stereo out",
+ .ssc = &ssc_reg[2],
+ .pdc = &pdc_tx_reg[2],
+ .mask = &ssc_tx_mask,
+ },
+ {
+ .name = "SSC1/I2S PCM Stereo in",
+ .ssc = &ssc_reg[2],
+ .pdc = &pdc_rx_reg[2],
+ .mask = &ssc_rx_mask,
+ }},
+};
+
+
+struct at91rm9200_ssc_state {
+ u32 ssc_cmr;
+ u32 ssc_rcmr;
+ u32 ssc_rfmr;
+ u32 ssc_tcmr;
+ u32 ssc_tfmr;
+ u32 ssc_sr;
+ u32 ssc_imr;
+};
+
+static struct at91rm9200_ssc_info {
+ char *name;
+ void __iomem *ssc_base;
+ u32 pid;
+ spinlock_t lock; /* lock for dir_mask */
+ int dir_mask; /* 0=unused, 1=playback, 2=capture */
+ struct semaphore *mutex;
+ int initialized;
+ int pcmfmt;
+ int rate;
+ at91rm9200_pcm_dma_params_t *dma_params[2];
+ struct at91rm9200_ssc_state ssc_state;
+
+} ssc_info[3] = {
+ {
+ .name = "ssc0",
+ .ssc_base = (void __iomem *) AT91_VA_BASE_SSC0,
+ .pid = AT91_ID_SSC0,
+ .lock = SPIN_LOCK_UNLOCKED,
+ .dir_mask = 0,
+ .mutex = &ssc0_mutex,
+ .initialized = 0,
+ },
+ {
+ .name = "ssc1",
+ .ssc_base = (void __iomem *) AT91_VA_BASE_SSC1,
+ .pid = AT91_ID_SSC1,
+ .lock = SPIN_LOCK_UNLOCKED,
+ .dir_mask = 0,
+ .mutex = &ssc1_mutex,
+ .initialized = 0,
+ },
+ {
+ .name = "ssc2",
+ .ssc_base = (void __iomem *) AT91_VA_BASE_SSC2,
+ .pid = AT91_ID_SSC2,
+ .lock = SPIN_LOCK_UNLOCKED,
+ .dir_mask = 0,
+ .mutex = &ssc2_mutex,
+ .initialized = 0,
+ },
+};
+
+
+static irqreturn_t at91rm9200_i2s_interrupt(int irq, void *dev_id)
+{
+ struct at91rm9200_ssc_info *ssc_p = dev_id;
+ at91rm9200_pcm_dma_params_t *dma_params;
+ u32 ssc_sr;
+ int i;
+
+ ssc_sr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_SR)
+ & at91_ssc_read(ssc_p->ssc_base + AT91_SSC_IMR);
+
+ /*
+ * Loop through the substreams attached to this SSC. If
+ * a DMA-related interrupt occurred on that substream, call
+ * the DMA interrupt handler function, if one has been
+ * registered in the dma_params structure by the PCM driver.
+ */
+ for (i = 0; i < ARRAY_SIZE(ssc_p->dma_params); i++) {
+ dma_params = ssc_p->dma_params[i];
+
+ if (dma_params != NULL && dma_params->dma_intr_handler != NULL &&
+ (ssc_sr &
+ (dma_params->mask->ssc_endx | dma_params->mask->ssc_endbuf)))
+
+ dma_params->dma_intr_handler(ssc_sr, dma_params->substream);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int at91rm9200_i2s_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct at91rm9200_ssc_info *ssc_p = &ssc_info[rtd->cpu_dai->id];
+ int dir_mask;
+
+ DBG("i2s_startup: SSC_SR=0x%08lx\n",
+ at91_ssc_read(ssc_p->ssc_base + AT91_SSC_SR));
+ dir_mask = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? 0x1 : 0x2;
+
+ spin_lock_irq(&ssc_p->lock);
+ if (ssc_p->dir_mask & dir_mask) {
+ spin_unlock_irq(&ssc_p->lock);
+ return -EBUSY;
+ }
+ ssc_p->dir_mask |= dir_mask;
+ spin_unlock_irq(&ssc_p->lock);
+
+ return 0;
+}
+
+static void at91rm9200_i2s_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct at91rm9200_ssc_info *ssc_p = &ssc_info[rtd->cpu_dai->id];
+ at91rm9200_pcm_dma_params_t *dma_params = rtd->cpu_dai->dma_data;
+ int dir, dir_mask;
+
+ dir = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? 0 : 1;
+
+ if (dma_params != NULL) {
+ at91_ssc_write(dma_params->ssc->cr, dma_params->mask->ssc_disable);
+ DBG("%s disabled SSC_SR=0x%08lx\n", (dir ? "receive" : "transmit"),
+ at91_ssc_read(ssc_p->ssc_base + AT91_SSC_SR));
+
+ dma_params->substream = NULL;
+ ssc_p->dma_params[dir] = NULL;
+ }
+
+ dir_mask = 1 << dir;
+
+ spin_lock_irq(&ssc_p->lock);
+ ssc_p->dir_mask &= ~dir_mask;
+ if (!ssc_p->dir_mask) {
+ /* Shutdown the SSC clock. */
+ DBG("Stopping pid %d clock\n", ssc_p->pid);
+ at91_sys_write(AT91_PMC_PCDR, 1<<ssc_p->pid);
+
+ if (ssc_p->initialized)
+ free_irq(ssc_p->pid, ssc_p);
+
+ /* Reset the SSC */
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_CR, AT91_SSC_SWRST);
+
+ /* Force a re-init on the next hw_params() call. */
+ ssc_p->initialized = 0;
+ }
+ spin_unlock_irq(&ssc_p->lock);
+}
+
+#ifdef CONFIG_PM
+static int at91rm9200_i2s_suspend(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ struct at91rm9200_ssc_info *ssc_p;
+
+ if(!dai->active)
+ return 0;
+
+ ssc_p = &ssc_info[dai->id];
+
+ /* Save the status register before disabling transmit and receive. */
+ ssc_p->state->ssc_sr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_SR);
+ at91_ssc_write(ssc_p->ssc_base +
+ AT91_SSC_CR, AT91_SSC_TXDIS | AT91_SSC_RXDIS);
+
+ /* Save the current interrupt mask, then disable unmasked interrupts. */
+ ssc_p->state->ssc_imr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_IMR);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_IDR, ssc_p->state->ssc_imr);
+
+ ssc_p->state->ssc_cmr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_CMR);
+ ssc_p->state->ssc_rcmr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_RCMR);
+ ssc_p->state->ssc_rfmr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_RCMR);
+ ssc_p->state->ssc_tcmr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_RCMR);
+ ssc_p->state->ssc_tfmr = at91_ssc_read(ssc_p->ssc_base + AT91_SSC_RCMR);
+
+ return 0;
+}
+
+static int at91rm9200_i2s_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ struct at91rm9200_ssc_info *ssc_p;
+ u32 cr_mask;
+
+ if(!dai->active)
+ return 0;
+
+ ssc_p = &ssc_info[dai->id];
+
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_RCMR, ssc_p->state->ssc_tfmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_RCMR, ssc_p->state->ssc_tcmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_RCMR, ssc_p->state->ssc_rfmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_RCMR, ssc_p->state->ssc_rcmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_CMR, ssc_p->state->ssc_cmr);
+
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_IER, ssc_p->state->ssc_imr);
+
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_CR,
+ ((ssc_p->state->ssc_sr & AT91_SSC_RXENA) ? AT91_SSC_RXEN : 0) |
+ ((ssc_p->state->ssc_sr & AT91_SSC_TXENA) ? AT91_SSC_TXEN : 0));
+
+ return 0;
+}
+
+#else
+#define at91rm9200_i2s_suspend NULL
+#define at91rm9200_i2s_resume NULL
+#endif
+
+static unsigned int at91rm9200_i2s_config_sysclk(
+ struct snd_soc_cpu_dai *iface, struct snd_soc_clock_info *info,
+ unsigned int clk)
+{
+ /* Currently, there is only support for USB (12Mhz) mode */
+ if (clk != 12000000)
+ return 0;
+ return 12000000;
+}
+
+static int at91rm9200_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int id = rtd->cpu_dai->id;
+ struct at91rm9200_ssc_info *ssc_p = &ssc_info[id];
+ at91rm9200_pcm_dma_params_t *dma_params;
+ unsigned int pcmfmt, rate;
+ int dir, channels, bits;
+ struct clk *mck_clk;
+ unsigned long bclk;
+ u32 div, period, tfmr, rfmr, tcmr, rcmr;
+ int ret;
+
+ /*
+ * Currently, there is only one set of dma params for
+ * each direction. If more are added, this code will
+ * have to be changed to select the proper set.
+ */
+ dir = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? 0 : 1;
+
+ dma_params = &ssc_dma_params[id][dir];
+ dma_params->substream = substream;
+
+ ssc_p->dma_params[dir] = dma_params;
+ rtd->cpu_dai->dma_data = dma_params;
+
+ rate = params_rate(params);
+ channels = params_channels(params);
+
+ pcmfmt = rtd->cpu_dai->dai_runtime.pcmfmt;
+ switch (pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ /* likely this is all we'll ever support, but ... */
+ bits = 16;
+ dma_params->pdc_xfer_size = 2;
+ break;
+ default:
+ printk(KERN_WARNING "at91rm9200-i2s: unsupported format %x\n",
+ pcmfmt);
+ return -EINVAL;
+ }
+
+ /* Don't allow both SSC substreams to initialize at the same time. */
+ down(ssc_p->mutex);
+
+ /*
+ * If this SSC is alreadly initialized, then this substream must use
+ * the same format and rate.
+ */
+ if (ssc_p->initialized) {
+ if (pcmfmt != ssc_p->pcmfmt || rate != ssc_p->rate) {
+ printk(KERN_WARNING "at91rm9200-i2s: "
+ "incompatible substream in other direction\n");
+ up(ssc_p->mutex);
+ return -EINVAL;
+ }
+ } else {
+ /* Enable PMC peripheral clock for this SSC */
+ DBG("Starting pid %d clock\n", ssc_p->pid);
+ at91_sys_write(AT91_PMC_PCER, 1<<ssc_p->pid);
+
+ /* Reset the SSC */
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_CR, AT91_SSC_SWRST);
+
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_RPR, 0);
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_RCR, 0);
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_RNPR, 0);
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_RNCR, 0);
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_TPR, 0);
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_TCR, 0);
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_TNPR, 0);
+ at91_ssc_write(ssc_p->ssc_base + AT91_PDC_TNCR, 0);
+
+ mck_clk = clk_get(NULL, "mck");
+
+ div = rtd->cpu_dai->dai_runtime.priv >> 16;
+ period = rtd->cpu_dai->dai_runtime.priv & 0xffff;
+ bclk = 60000000 / (2 * div);
+
+ DBG("mck %ld fsbd %d bfs %d bfs_real %d bclk %ld div %d period %d\n",
+ clk_get_rate(mck_clk),
+ SND_SOC_FSBD(6),
+ rtd->cpu_dai->dai_runtime.bfs,
+ SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs),
+ bclk,
+ div,
+ period);
+
+ clk_put(mck_clk);
+
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_CMR, div);
+
+ /*
+ * Setup the TFMR and RFMR for the proper data format.
+ */
+ tfmr =
+ (( AT91_SSC_FSEDGE_POSITIVE ) & AT91_SSC_FSEDGE)
+ | (( 0 << 23) & AT91_SSC_FSDEN)
+ | (( AT91_SSC_FSOS_NEGATIVE ) & AT91_SSC_FSOS)
+ | (((bits - 1) << 16) & AT91_SSC_FSLEN)
+ | (((channels - 1) << 8) & AT91_SSC_DATNB)
+ | (( 1 << 7) & AT91_SSC_MSBF)
+ | (( 0 << 5) & AT91_SSC_DATDEF)
+ | (((bits - 1) << 0) & AT91_SSC_DATALEN);
+ DBG("SSC_TFMR=0x%08x\n", tfmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_TFMR, tfmr);
+
+ rfmr =
+ (( AT91_SSC_FSEDGE_POSITIVE ) & AT91_SSC_FSEDGE)
+ | (( AT91_SSC_FSOS_NONE ) & AT91_SSC_FSOS)
+ | (( 0 << 16) & AT91_SSC_FSLEN)
+ | (((channels - 1) << 8) & AT91_SSC_DATNB)
+ | (( 1 << 7) & AT91_SSC_MSBF)
+ | (( 0 << 5) & AT91_SSC_LOOP)
+ | (((bits - 1) << 0) & AT91_SSC_DATALEN);
+
+ DBG("SSC_RFMR=0x%08x\n", rfmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_RFMR, rfmr);
+
+ /*
+ * Setup the TCMR and RCMR to generate the proper BCLK
+ * and LRC signals.
+ */
+ tcmr =
+ (( period << 24) & AT91_SSC_PERIOD)
+ | (( 1 << 16) & AT91_SSC_STTDLY)
+ | (( AT91_SSC_START_FALLING_RF ) & AT91_SSC_START)
+ | (( AT91_SSC_CKI_FALLING ) & AT91_SSC_CKI)
+ | (( AT91_SSC_CKO_CONTINUOUS ) & AT91_SSC_CKO)
+ | (( AT91_SSC_CKS_DIV ) & AT91_SSC_CKS);
+
+ DBG("SSC_TCMR=0x%08x\n", tcmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_TCMR, tcmr);
+
+ rcmr =
+ (( 0 << 24) & AT91_SSC_PERIOD)
+ | (( 1 << 16) & AT91_SSC_STTDLY)
+ | (( AT91_SSC_START_TX_RX ) & AT91_SSC_START)
+ | (( AT91_SSC_CK_RISING ) & AT91_SSC_CKI)
+ | (( AT91_SSC_CKO_NONE ) & AT91_SSC_CKO)
+ | (( AT91_SSC_CKS_CLOCK ) & AT91_SSC_CKS);
+
+ DBG("SSC_RCMR=0x%08x\n", rcmr);
+ at91_ssc_write(ssc_p->ssc_base + AT91_SSC_RCMR, rcmr);
+
+ if ((ret = request_irq(ssc_p->pid, at91rm9200_i2s_interrupt,
+ 0, ssc_p->name, ssc_p)) < 0) {
+ printk(KERN_WARNING "at91rm9200-i2s: request_irq failure\n");
+ return ret;
+ }
+
+ /*
+ * Save the current substream parameters in order to check
+ * that the substream in the opposite direction uses the
+ * same parameters.
+ */
+ ssc_p->pcmfmt = pcmfmt;
+ ssc_p->rate = rate;
+ ssc_p->initialized = 1;
+
+ DBG("hw_params: SSC initialized\n");
+ }
+
+ up(ssc_p->mutex);
+
+ return 0;
+}
+
+
+static int at91rm9200_i2s_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ at91rm9200_pcm_dma_params_t *dma_params = rtd->cpu_dai->dma_data;
+
+ at91_ssc_write(dma_params->ssc->cr, dma_params->mask->ssc_enable);
+
+ DBG("%s enabled SSC_SR=0x%08lx\n",
+ substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? "transmit" : "receive",
+ at91_ssc_read(ssc_info[rtd->cpu_dai->id].ssc_base + AT91_SSC_SR));
+ return 0;
+}
+
+
+struct snd_soc_cpu_dai at91rm9200_i2s_dai[] = {
+ { .name = "at91rm9200-ssc0/i2s",
+ .id = 0,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = at91rm9200_i2s_suspend,
+ .resume = at91rm9200_i2s_resume,
+ .config_sysclk = at91rm9200_i2s_config_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = at91rm9200_i2s_startup,
+ .shutdown = at91rm9200_i2s_shutdown,
+ .prepare = at91rm9200_i2s_prepare,
+ .hw_params = at91rm9200_i2s_hw_params,},
+ .caps = {
+ .mode = &at91rm9200_i2s[0],
+ .num_modes = ARRAY_SIZE(at91rm9200_i2s),},
+ },
+ { .name = "at91rm9200-ssc1/i2s",
+ .id = 1,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = at91rm9200_i2s_suspend,
+ .resume = at91rm9200_i2s_resume,
+ .config_sysclk = at91rm9200_i2s_config_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = at91rm9200_i2s_startup,
+ .shutdown = at91rm9200_i2s_shutdown,
+ .prepare = at91rm9200_i2s_prepare,
+ .hw_params = at91rm9200_i2s_hw_params,},
+ .caps = {
+ .mode = &at91rm9200_i2s[0],
+ .num_modes = ARRAY_SIZE(at91rm9200_i2s),},
+ },
+ { .name = "at91rm9200-ssc2/i2s",
+ .id = 2,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = at91rm9200_i2s_suspend,
+ .resume = at91rm9200_i2s_resume,
+ .config_sysclk = at91rm9200_i2s_config_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = at91rm9200_i2s_startup,
+ .shutdown = at91rm9200_i2s_shutdown,
+ .prepare = at91rm9200_i2s_prepare,
+ .hw_params = at91rm9200_i2s_hw_params,},
+ .caps = {
+ .mode = &at91rm9200_i2s[0],
+ .num_modes = ARRAY_SIZE(at91rm9200_i2s),},
+ },
+};
+
+EXPORT_SYMBOL_GPL(at91rm9200_i2s_dai);
+
+/* Module information */
+MODULE_AUTHOR("Frank Mandarino, fmandarino@endrelia.com, www.endrelia.com");
+MODULE_DESCRIPTION("AT91RM9200 I2S ASoC Interface");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/at91/at91rm9200-pcm.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/at91/at91rm9200-pcm.c
@@ -0,0 +1,428 @@
+/*
+ * at91rm9200-pcm.c -- ALSA PCM interface for the Atmel AT91RM9200 chip.
+ *
+ * Author: Frank Mandarino <fmandarino@endrelia.com>
+ * Endrelia Technologies Inc.
+ * Created: Mar 3, 2006
+ *
+ * Based on pxa2xx-pcm.c by:
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 30, 2004
+ * Copyright: (C) 2004 MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/arch/at91rm9200.h>
+#include <asm/arch/at91rm9200_ssc.h>
+#include <asm/arch/at91rm9200_pdc.h>
+#include <asm/arch/hardware.h>
+
+#include "at91rm9200-pcm.h"
+
+#if 0
+#define DBG(x...) printk(KERN_INFO "at91rm9200-pcm: " x)
+#else
+#define DBG(x...)
+#endif
+
+static const snd_pcm_hardware_t at91rm9200_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .period_bytes_min = 32,
+ .period_bytes_max = 8192,
+ .periods_min = 2,
+ .periods_max = 1024,
+ .buffer_bytes_max = 32 * 1024,
+};
+
+struct at91rm9200_runtime_data {
+ at91rm9200_pcm_dma_params_t *params;
+ dma_addr_t dma_buffer; /* physical address of dma buffer */
+ dma_addr_t dma_buffer_end; /* first address beyond DMA buffer */
+ size_t period_size;
+ dma_addr_t period_ptr; /* physical address of next period */
+ u32 pdc_xpr_save; /* PDC register save */
+ u32 pdc_xcr_save;
+ u32 pdc_xnpr_save;
+ u32 pdc_xncr_save;
+};
+
+static void at91rm9200_pcm_dma_irq(u32 ssc_sr,
+ struct snd_pcm_substream *substream)
+{
+ struct at91rm9200_runtime_data *prtd = substream->runtime->private_data;
+ at91rm9200_pcm_dma_params_t *params = prtd->params;
+ static int count = 0;
+
+ count++;
+
+ if (ssc_sr & params->mask->ssc_endbuf) {
+
+ printk(KERN_WARNING
+ "at91rm9200-pcm: buffer %s on %s (SSC_SR=%#x, count=%d)\n",
+ substream->stream == SNDRV_PCM_STREAM_PLAYBACK
+ ? "underrun" : "overrun",
+ params->name, ssc_sr, count);
+
+ /* re-start the PDC */
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_disable);
+
+ prtd->period_ptr += prtd->period_size;
+ if (prtd->period_ptr >= prtd->dma_buffer_end) {
+ prtd->period_ptr = prtd->dma_buffer;
+ }
+
+ at91_ssc_write(params->pdc->xpr, prtd->period_ptr);
+ at91_ssc_write(params->pdc->xcr,
+ prtd->period_size / params->pdc_xfer_size);
+
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_enable);
+ }
+
+ if (ssc_sr & params->mask->ssc_endx) {
+
+ /* Load the PDC next pointer and counter registers */
+ prtd->period_ptr += prtd->period_size;
+ if (prtd->period_ptr >= prtd->dma_buffer_end) {
+ prtd->period_ptr = prtd->dma_buffer;
+ }
+ at91_ssc_write(params->pdc->xnpr, prtd->period_ptr);
+ at91_ssc_write(params->pdc->xncr,
+ prtd->period_size / params->pdc_xfer_size);
+ }
+
+ snd_pcm_period_elapsed(substream);
+}
+
+static int at91rm9200_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ snd_pcm_runtime_t *runtime = substream->runtime;
+ struct at91rm9200_runtime_data *prtd = runtime->private_data;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ /* this may get called several times by oss emulation
+ * with different params */
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+ runtime->dma_bytes = params_buffer_bytes(params);
+
+ prtd->params = rtd->cpu_dai->dma_data;
+ prtd->params->dma_intr_handler = at91rm9200_pcm_dma_irq;
+
+ prtd->dma_buffer = runtime->dma_addr;
+ prtd->dma_buffer_end = runtime->dma_addr + runtime->dma_bytes;
+ prtd->period_size = params_period_bytes(params);
+
+ DBG("hw_params: DMA for %s initialized (dma_bytes=%d, period_size=%d)\n",
+ prtd->params->name, runtime->dma_bytes, prtd->period_size);
+ return 0;
+}
+
+static int at91rm9200_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ struct at91rm9200_runtime_data *prtd = substream->runtime->private_data;
+ at91rm9200_pcm_dma_params_t *params = prtd->params;
+
+ if (params != NULL) {
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_disable);
+ prtd->params->dma_intr_handler = NULL;
+ }
+
+ return 0;
+}
+
+static int at91rm9200_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct at91rm9200_runtime_data *prtd = substream->runtime->private_data;
+ at91rm9200_pcm_dma_params_t *params = prtd->params;
+
+ at91_ssc_write(params->ssc->idr,
+ params->mask->ssc_endx | params->mask->ssc_endbuf);
+
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_disable);
+ return 0;
+}
+
+static int at91rm9200_pcm_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct at91rm9200_runtime_data *prtd = substream->runtime->private_data;
+ at91rm9200_pcm_dma_params_t *params = prtd->params;
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ prtd->period_ptr = prtd->dma_buffer;
+
+ at91_ssc_write(params->pdc->xpr, prtd->period_ptr);
+ at91_ssc_write(params->pdc->xcr,
+ prtd->period_size / params->pdc_xfer_size);
+
+ prtd->period_ptr += prtd->period_size;
+ at91_ssc_write(params->pdc->xnpr, prtd->period_ptr);
+ at91_ssc_write(params->pdc->xncr,
+ prtd->period_size / params->pdc_xfer_size);
+
+ DBG("trigger: period_ptr=%lx, xpr=%lx, xcr=%ld, xnpr=%lx, xncr=%ld\n",
+ (unsigned long) prtd->period_ptr,
+ at91_ssc_read(params->pdc->xpr),
+ at91_ssc_read(params->pdc->xcr),
+ at91_ssc_read(params->pdc->xnpr),
+ at91_ssc_read(params->pdc->xncr));
+
+ at91_ssc_write(params->ssc->ier,
+ params->mask->ssc_endx | params->mask->ssc_endbuf);
+
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_enable);
+
+ DBG("sr=%lx imr=%lx\n", at91_ssc_read(params->ssc->ier - 4),
+ at91_ssc_read(params->ssc->ier + 8));
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_disable);
+ break;
+
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_enable);
+ break;
+
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t at91rm9200_pcm_pointer(
+ struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct at91rm9200_runtime_data *prtd = runtime->private_data;
+ at91rm9200_pcm_dma_params_t *params = prtd->params;
+ dma_addr_t ptr;
+ snd_pcm_uframes_t x;
+
+ ptr = (dma_addr_t) at91_ssc_read(params->pdc->xpr);
+ x = bytes_to_frames(runtime, ptr - prtd->dma_buffer);
+
+ if (x == runtime->buffer_size)
+ x = 0;
+ return x;
+}
+
+static int at91rm9200_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct at91rm9200_runtime_data *prtd;
+ int ret = 0;
+
+ snd_soc_set_runtime_hwparams(substream, &at91rm9200_pcm_hardware);
+
+ /* ensure that buffer size is a multiple of period size */
+ ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto out;
+
+ prtd = kzalloc(sizeof(struct at91rm9200_runtime_data), GFP_KERNEL);
+ if (prtd == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ runtime->private_data = prtd;
+
+ out:
+ return ret;
+}
+
+static int at91rm9200_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct at91rm9200_runtime_data *prtd = substream->runtime->private_data;
+
+ kfree(prtd);
+ return 0;
+}
+
+static int at91rm9200_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ return dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+}
+
+struct snd_pcm_ops at91rm9200_pcm_ops = {
+ .open = at91rm9200_pcm_open,
+ .close = at91rm9200_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = at91rm9200_pcm_hw_params,
+ .hw_free = at91rm9200_pcm_hw_free,
+ .prepare = at91rm9200_pcm_prepare,
+ .trigger = at91rm9200_pcm_trigger,
+ .pointer = at91rm9200_pcm_pointer,
+ .mmap = at91rm9200_pcm_mmap,
+};
+
+static int at91rm9200_pcm_preallocate_dma_buffer(struct snd_pcm *pcm,
+ int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = at91rm9200_pcm_hardware.buffer_bytes_max;
+
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->area = dma_alloc_writecombine(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+
+ DBG("preallocate_dma_buffer: area=%p, addr=%p, size=%d\n",
+ (void *) buf->area,
+ (void *) buf->addr,
+ size);
+
+ if (!buf->area)
+ return -ENOMEM;
+
+ buf->bytes = size;
+ return 0;
+}
+
+static u64 at91rm9200_pcm_dmamask = 0xffffffff;
+
+static int at91rm9200_pcm_new(struct snd_card *card,
+ struct snd_soc_codec_dai *dai, struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &at91rm9200_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = 0xffffffff;
+
+ if (dai->playback.channels_min) {
+ ret = at91rm9200_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = at91rm9200_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+static void at91rm9200_pcm_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+
+ dma_free_writecombine(pcm->card->dev, buf->bytes,
+ buf->area, buf->addr);
+ buf->area = NULL;
+ }
+}
+
+static int at91rm9200_pcm_suspend(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ struct snd_pcm_runtime *runtime = dai->runtime;
+ struct at91rm9200_runtime_data *prtd;
+ at91rm9200_pcm_dma_params_t *params;
+
+ if (!runtime)
+ return 0;
+
+ prtd = runtime->private_data;
+ params = prtd->params;
+
+ /* disable the PDC and save the PDC registers */
+
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_disable);
+
+ prtd->pdc_xpr_save = at91_ssc_read(params->pdc->xpr);
+ prtd->pdc_xcr_save = at91_ssc_read(params->pdc->xcr);
+ prtd->pdc_xnpr_save = at91_ssc_read(params->pdc->xnpr);
+ prtd->pdc_xncr_save = at91_ssc_read(params->pdc->xncr);
+
+ return 0;
+}
+
+static int at91rm9200_pcm_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ struct snd_pcm_runtime *runtime = dai->runtime;
+ struct at91rm9200_runtime_data *prtd;
+ at91rm9200_pcm_dma_params_t *params;
+
+ if (!runtime)
+ return 0;
+
+ prtd = runtime->private_data;
+ params = prtd->params;
+
+ /* restore the PDC registers and enable the PDC */
+ at91_ssc_write(params->pdc->xpr, prtd->pdc_xpr_save);
+ at91_ssc_write(params->pdc->xcr, prtd->pdc_xcr_save);
+ at91_ssc_write(params->pdc->xnpr, prtd->pdc_xnpr_save);
+ at91_ssc_write(params->pdc->xncr, prtd->pdc_xncr_save);
+
+ at91_ssc_write(params->pdc->ptcr, params->mask->pdc_enable);
+ return 0;
+}
+
+struct snd_soc_platform at91rm9200_soc_platform = {
+ .name = "at91rm9200-audio",
+ .pcm_ops = &at91rm9200_pcm_ops,
+ .pcm_new = at91rm9200_pcm_new,
+ .pcm_free = at91rm9200_pcm_free_dma_buffers,
+ .suspend = at91rm9200_pcm_suspend,
+ .resume = at91rm9200_pcm_resume,
+};
+
+EXPORT_SYMBOL_GPL(at91rm9200_soc_platform);
+
+MODULE_AUTHOR("Frank Mandarino <fmandarino@endrelia.com>");
+MODULE_DESCRIPTION("Atmel AT91RM9200 PCM module");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/at91/at91rm9200-pcm.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/at91/at91rm9200-pcm.h
@@ -0,0 +1,75 @@
+/*
+ * at91rm9200-pcm.h - ALSA PCM interface for the Atmel AT91RM9200 chip
+ *
+ * Author: Frank Mandarino <fmandarino@endrelia.com>
+ * Endrelia Technologies Inc.
+ * Created: Mar 3, 2006
+ *
+ * Based on pxa2xx-pcm.h by:
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 30, 2004
+ * Copyright: MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Registers and status bits that are required by the PCM driver.
+ */
+struct at91rm9200_ssc_regs {
+ void __iomem *cr; /* SSC control */
+ void __iomem *ier; /* SSC interrupt enable */
+ void __iomem *idr; /* SSC interrupt disable */
+};
+
+struct at91rm9200_pdc_regs {
+ void __iomem *xpr; /* PDC recv/trans pointer */
+ void __iomem *xcr; /* PDC recv/trans counter */
+ void __iomem *xnpr; /* PDC next recv/trans pointer */
+ void __iomem *xncr; /* PDC next recv/trans counter */
+ void __iomem *ptcr; /* PDC transfer control */
+};
+
+struct at91rm9200_ssc_mask {
+ u32 ssc_enable; /* SSC recv/trans enable */
+ u32 ssc_disable; /* SSC recv/trans disable */
+ u32 ssc_endx; /* SSC ENDTX or ENDRX */
+ u32 ssc_endbuf; /* SSC TXBUFE or RXBUFF */
+ u32 pdc_enable; /* PDC recv/trans enable */
+ u32 pdc_disable; /* PDC recv/trans disable */
+};
+
+
+/*
+ * This structure, shared between the PCM driver and the interface,
+ * contains all information required by the PCM driver to perform the
+ * PDC DMA operation. All fields except dma_intr_handler() are initialized
+ * by the interface. The dms_intr_handler() pointer is set by the PCM
+ * driver and called by the interface SSC interrupt handler if it is
+ * non-NULL.
+ */
+typedef struct {
+ char *name; /* stream identifier */
+ int pdc_xfer_size; /* PDC counter increment in bytes */
+ struct at91rm9200_ssc_regs *ssc; /* SSC register addresses */
+ struct at91rm9200_pdc_regs *pdc; /* PDC receive/transmit registers */
+ struct at91rm9200_ssc_mask *mask;/* SSC & PDC status bits */
+ snd_pcm_substream_t *substream;
+ void (*dma_intr_handler)(u32, snd_pcm_substream_t *);
+} at91rm9200_pcm_dma_params_t;
+
+extern struct snd_soc_cpu_dai at91rm9200_i2s_dai[3];
+extern struct snd_soc_platform at91rm9200_soc_platform;
+
+
+/*
+ * SSC I/O helpers.
+ * E.g., at91_ssc_write(AT91_SSC(1) + AT91_SSC_CR, AT91_SSC_RXEN);
+ */
+#define AT91_SSC(x) (((x)==0) ? AT91_VA_BASE_SSC0 :\
+ ((x)==1) ? AT91_VA_BASE_SSC1 : ((x)==2) ? AT91_VA_BASE_SSC2 : NULL)
+#define at91_ssc_read(a) ((unsigned long) __raw_readl(a))
+#define at91_ssc_write(a,v) __raw_writel((v),(a))
Index: linux-2.6-pxa-new/sound/soc/imx/imx-ssi.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/imx-ssi.c
@@ -0,0 +1,452 @@
+/*
+ * imx-ssi.c -- SSI driver for Freescale IMX
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Based on mxc-alsa-mc13783 (C) 2006 Freescale.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 29th Aug 2006 Initial version.
+ *
+ */
+
+#define IMX_DSP_DAIFMT \
+ ( SND_SOC_DAIFMT_DSP__A |SND_SOC_DAIFMT_DSP_B | \
+ SND_SOC_DAIFMT_CBS_CFS |SND_SOC_DAIFMT_CBM_CFS | \
+ SND_SOC_DAIFMT_CBS_CFM |SND_SOC_DAIFMT_NB_NF |\
+ SND_SOC_DAIFMT_NB_IF)
+
+#define IMX_DSP_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define IMX_DSP_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \
+ SNDRV_PCM_RATE_96000)
+
+#define IMX_DSP_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_mode imx_dsp_pcm_modes[] = {
+
+ /* frame master and clock slave mode */
+ {IMX_DSP_DAIFMT | SND_SOC_DAIFMT_CBM_CFS,
+ SND_SOC_DAITDM_LRDW(0,0), IMX_DSP_BITS, IMX_DSP_RATES,
+ IMX_DSP_DIR, 0, SND_SOC_FS_ALL,
+ SND_SOC_FSB(32) | SND_SOC_FSB(32) | SND_SOC_FSB(16)},
+
+};
+
+static imx_pcm_dma_params_t imx_ssi1_pcm_stereo_out = {
+ .name = "SSI1 PCM Stereo out",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = emi_2_per,
+ .watermark_level = SDMA_TXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI1_STX0,
+ .event_id = DMA_REQ_SSI1_TX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi1_pcm_stereo_in = {
+ .name = "SSI1 PCM Stereo in",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_RXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI1_SRX0,
+ .event_id = DMA_REQ_SSI1_RX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi2_pcm_stereo_out = {
+ .name = "SSI2 PCM Stereo out",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_TXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI2_STX0,
+ .event_id = DMA_REQ_SSI2_TX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi2_pcm_stereo_in = {
+ .name = "SSI2 PCM Stereo in",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_RXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI2_SRX0,
+ .event_id = DMA_REQ_SSI2_RX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static int imx_dsp_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (!rtd->cpu_dai->active) {
+
+ }
+
+ return 0;
+}
+
+static int imx_ssi1_hw_tx_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 bfs, div;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs);
+
+ SSI1_STCR = 0;
+ SSI1_STCCR = 0;
+
+ /* DAI mode */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_B:
+ SSI1_STCR |= SSI_STCR_TEFS; // data 1 bit after sync
+ case SND_SOC_DAIFMT_DSP_A:
+ SSI1_STCR |= SSI_STCR_TFSL; // frame is 1 bclk long
+ break;
+ }
+
+ /* DAI clock inversion */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ SSI1_STCR |= SSI_STCR_TFSI | SSI_STCR_TSCKP;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ SSI1_STCR |= SSI_STCR_TSCKP;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ SSI1_STCR |= SSI_STCR_TFSI;
+ break;
+ }
+
+ /* DAI data (word) size */
+ switch(rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ SSI1_STCCR |= SSI_STCCR_WL(16);
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ SSI1_STCCR |= SSI_STCCR_WL(20);
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ SSI1_STCCR |= SSI_STCCR_WL(24);
+ break;
+ }
+
+ /* DAI clock master masks */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK){
+ case SND_SOC_DAIFMT_CBM_CFM:
+ SSI1_STCR |= SSI_STCR_TFDIR | SSI_STCR_TXDIR;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ SSI1_STCR |= SSI_STCR_TFDIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ SSI1_STCR |= SSI_STCR_TXDIR;
+ break;
+ }
+
+ /* DAI BCLK ratio to SYSCLK / MCLK */
+ /* prescaler modulus - todo */
+ switch (bfs) {
+ case 2:
+ break;
+ case 4:
+ break;
+ case 8:
+ break;
+ case 16:
+ break;
+ }
+
+ /* TDM - todo, only fifo 0 atm */
+ SSI1_STCR |= SSI_STCR_TFEN0;
+ SSI1_STCCR |= SSI_STCCR_DC(params_channels(params));
+
+ return 0;
+}
+
+static int imx_ssi1_hw_rx_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 bfs, div;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs);
+
+ SSI1_SRCR = 0;
+ SSI1_SRCCR = 0;
+
+ /* DAI mode */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_B:
+ SSI1_SRCR |= SSI_SRCR_REFS; // data 1 bit after sync
+ case SND_SOC_DAIFMT_DSP_A:
+ SSI1_SRCR |= SSI_SRCR_RFSL; // frame is 1 bclk long
+ break;
+ }
+
+ /* DAI clock inversion */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ SSI1_SRCR |= SSI_SRCR_TFSI | SSI_SRCR_TSCKP;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ SSI1_SRCR |= SSI_SRCR_RSCKP;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ SSI1_SRCR |= SSI_SRCR_RFSI;
+ break;
+ }
+
+ /* DAI data (word) size */
+ switch(rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ SSI1_SRCCR |= SSI_SRCCR_WL(16);
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ SSI1_SRCCR |= SSI_SRCCR_WL(20);
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ SSI1_SRCCR |= SSI_SRCCR_WL(24);
+ break;
+ }
+
+ /* DAI clock master masks */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK){
+ case SND_SOC_DAIFMT_CBM_CFM:
+ SSI1_SRCR |= SSI_SRCR_RFDIR | SSI_SRCR_RXDIR;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ SSI1_SRCR |= SSI_SRCR_RFDIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ SSI1_SRCR |= SSI_SRCR_RXDIR;
+ break;
+ }
+
+ /* DAI BCLK ratio to SYSCLK / MCLK */
+ /* prescaler modulus - todo */
+ switch (bfs) {
+ case 2:
+ break;
+ case 4:
+ break;
+ case 8:
+ break;
+ case 16:
+ break;
+ }
+
+ /* TDM - todo, only fifo 0 atm */
+ SSI1_SRCR |= SSI_SRCR_RFEN0;
+ SSI1_SRCCR |= SSI_SRCCR_DC(params_channels(params));
+
+ return 0;
+}
+
+static int imx_ssi_dsp_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ /* clear register if not enabled */
+ if(!(SSI1_SCR & SSI_SCR_SSIEN))
+ SSI1_SCR = 0;
+
+ /* async */
+ if (rtd->cpu_dai->flags & SND_SOC_DAI_ASYNC)
+ SSI1_SCR |= SSI_SCR_SYN;
+
+ /* DAI mode */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_LEFT_J:
+ SSI1_SCR |= SSI_SCR_NET;
+ break;
+ }
+
+ /* TDM - to complete */
+
+ /* Tx/Rx config */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ return imx_ssi1_dsp_hw_tx_params(substream, params);
+ } else {
+ return imx_ssi1_dsp_hw_rx_params(substream, params);
+ }
+}
+
+
+
+static int imx_ssi_dsp_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ SSI1_SCR |= SSI_SCR_TE;
+ SSI1_SIER |= SSI_SIER_TDMAE;
+ } else {
+ SSI1_SCR |= SSI_SCR_RE;
+ SSI1_SIER |= SSI_SIER_RDMAE;
+ }
+ SSI1_SCR |= SSI_SCR_SSIEN;
+
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSI1_SCR |= SSI_SCR_TE;
+ else
+ SSI1_SCR |= SSI_SCR_RE;
+ break
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSI1_SCR &= ~SSI_SCR_TE;
+ else
+ SSI1_SCR &= ~SSI_SCR_RE;
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static void imx_ssi_dsp_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ /* shutdown SSI */
+ if (!rtd->cpu_dai->active) {
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR &= ~SSI_SCR_SSIEN;
+ else
+ SSI2_SCR &= ~SSI_SCR_SSIEN;
+ }
+}
+
+#ifdef CONFIG_PM
+static int imx_ssi_dsp_suspend(struct platform_device *dev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if(!dai->active)
+ return 0;
+
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR &= ~SSI_SCR_SSIEN;
+ else
+ SSI2_SCR &= ~SSI_SCR_SSIEN;
+
+ return 0;
+}
+
+static int imx_ssi_dsp_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if(!dai->active)
+ return 0;
+
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR |= SSI_SCR_SSIEN;
+ else
+ SSI2_SCR |= SSI_SCR_SSIEN;
+
+ return 0;
+}
+
+#else
+#define imx_ssi_dsp_suspend NULL
+#define imx_ssi_dsp_resume NULL
+#endif
+
+static unsigned int imx_ssi_config_dsp_sysclk(struct snd_soc_cpu_dai *iface,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ return clk;
+}
+
+struct snd_soc_cpu_dai imx_ssi_dsp_dai = {
+ .name = "imx-dsp-1",
+ .id = 0,
+ .type = SND_SOC_DAI_PCM,
+ .suspend = imx_ssi_dsp_suspend,
+ .resume = imx_ssi_dsp_resume,
+ .config_sysclk = imx_ssi_config_dsp_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = imx_ssi_dsp_startup,
+ .shutdown = imx_ssi_dsp_shutdown,
+ .trigger = imx_ssi_trigger,
+ .hw_params = imx_ssi_dsp_hw_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(imx_dsp_modes),
+ .mode = imx_dsp_modes,},
+},
+{
+ .name = "imx-dsp-2",
+ .id = 1,
+ .type = SND_SOC_DAI_PCM,
+ .suspend = imx_ssi_dsp_suspend,
+ .resume = imx_ssi_dsp_resume,
+ .config_sysclk = imx_ssi_config_dsp_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = imx_dsp_startup,
+ .shutdown = imx_dsp_shutdown,
+ .trigger = imx_ssi1_trigger,
+ .hw_params = imx_ssi1_pcm_hw_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(imx_dsp_modes),
+ .mode = imx_dsp_modes,},
+};
+
+
+EXPORT_SYMBOL_GPL(imx_ssi_dsp_dai);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("i.MX ASoC SSI driver");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/imx/Kconfig
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/Kconfig
@@ -0,0 +1,31 @@
+menu "SoC Audio for the Freescale i.MX"
+
+config SND_MXC_SOC
+ tristate "SoC Audio for the Freescale i.MX CPU"
+ depends on ARCH_MXC && SND
+ select SND_PCM
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the MXC AC97, I2S or SSP interface. You will also need
+ to select the audio interfaces to support below.
+
+config SND_MXC_AC97
+ tristate
+ select SND_AC97_CODEC
+
+config SND_MXC_SOC_AC97
+ tristate
+ select SND_AC97_BUS
+
+config SND_MXC_SOC_SSI
+ tristate
+
+config SND_MXC_SOC_MX3_WM8753
+ tristate "SoC Audio support for MX31 - WM8753"
+ depends on SND_MXC_SOC && ARCH_MX3
+ select SND_MXC_SOC_SSI
+ help
+ Say Y if you want to add support for SoC audio on MX31ADS
+ with the WM8753.
+
+endmenu
Index: linux-2.6-pxa-new/sound/soc/imx/Makefile
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/Makefile
@@ -0,0 +1,18 @@
+# i.MX Platform Support
+snd-soc-imx21-objs := imx21-pcm.o
+snd-soc-imx31-objs := imx31-pcm.o
+snd-soc-imx-ac97-objs := imx-ac97.o
+snd-soc-imx-i2s-objs := imx-i2s.o
+
+obj-$(CONFIG_SND_MXC_SOC) += snd-soc-imx.o
+obj-$(CONFIG_SND_MXC_SOC_AC97) += snd-soc-imx-ac97.o
+obj-$(CONFIG_SND_MXC_SOC_I2S) += snd-soc-imx-i2s.o
+
+# i.MX Machine Support
+snd-soc-mx31ads-wm8753-objs := mx31ads_wm8753.o
+obj-$(CONFIG_SND_SOC_MX31ADS_WM8753) += snd-soc-mx31ads-wm8753.o
+snd-soc-mx21ads-wm8753-objs := mx21ads_wm8753.o
+obj-$(CONFIG_SND_SOC_MX21ADS_WM8753) += snd-soc-mx21ads-wm8753.o
+snd-soc-mx21ads-wm8731-objs := mx21ads_wm8731.o
+obj-$(CONFIG_SND_SOC_MX21ADS_WM8731) += snd-soc-mx21ads-wm8731.o
+
Index: linux-2.6.17/sound/Makefile
===================================================================
--- linux-2.6.17.orig/sound/Makefile 2006-06-18 02:49:35.000000000 +0100
+++ linux-2.6.17/sound/Makefile 2006-07-04 14:04:41.000000000 +0100
@@ -4,7 +4,7 @@
obj-$(CONFIG_SOUND) += soundcore.o
obj-$(CONFIG_SOUND_PRIME) += oss/
obj-$(CONFIG_DMASOUND) += oss/
-obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/
+obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ soc/
ifeq ($(CONFIG_SND),y)
obj-y += last.o
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8711.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8711.c
@@ -0,0 +1,843 @@
+/*
+ * wm8711.c -- WM8711 ALSA SoC Audio driver
+ *
+ * Copyright 2006 Wolfson Microelectronics
+ *
+ * Author: Mike Arthur <linux@wolfsonmicro.com>
+ *
+ * Based on wm8711.c by Richard Purdie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8711.h"
+
+#define AUDIO_NAME "wm8711"
+#define WM8711_VERSION "0.2"
+
+/*
+ * Debug
+ */
+
+#define WM8711_DEBUG 0
+
+#ifdef WM8711_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+struct snd_soc_codec_device soc_codec_dev_wm8711;
+
+/*
+ * wm8711 register cache
+ * We can't read the WM8711 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ * There is no point in caching the reset register
+ */
+static const u16 wm8711_reg[WM8711_CACHEREGNUM] = {
+ 0x0079, 0x0079, 0x000a, 0x0008,
+ 0x009f, 0x000a, 0x0000, 0x0000
+};
+
+#define WM8711_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF)
+
+#define WM8711_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK)
+
+#define WM8711_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+#define WM8711_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_mode wm8711_modes[] = {
+ /* codec frame and clock master modes */
+ /* 8k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 1536,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 2304,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 1408,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 2112,
+ .bfs = 64,
+ },
+
+ /* 32k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_32000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 576,
+ .bfs = 64,
+ },
+
+ /* 44.1k & 48k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 256,
+ .bfs = 64,
+ },
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 64,
+ },
+
+ /* 88.2 & 96k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 128,
+ .bfs = 64,
+
+ },
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 192,
+ .bfs = 64,
+ },
+
+ /* USB codec frame and clock master modes */
+ /* 8k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_8000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 1500,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 44.1k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 272,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 48k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_48000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 250,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 88.2k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_88200,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 136,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* 96k */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = SNDRV_PCM_RATE_96000,
+ .pcmdir = WM8711_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 125,
+ .bfs = SND_SOC_FSBD(1),
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8711_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8711_HIFI_BITS,
+ .pcmrate = WM8711_RATES,
+ .pcmdir = WM8711_DIR,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8711 register cache
+ */
+static inline unsigned int wm8711_read_reg_cache(struct snd_soc_codec * codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == WM8711_RESET)
+ return 0;
+ if (reg >= WM8711_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8711 register cache
+ */
+static inline void wm8711_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= WM8711_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8711 register space
+ */
+static int wm8711_write(struct snd_soc_codec * codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8753 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8711_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8711_reset(c) wm8711_write(c, WM8711_RESET, 0)
+
+static const struct snd_kcontrol_new wm8711_snd_controls[] = {
+
+SOC_DOUBLE_R("Master Playback Volume", WM8711_LOUT1V, WM8711_ROUT1V,
+ 0, 127, 0),
+SOC_DOUBLE_R("Master Playback ZC Switch", WM8711_LOUT1V, WM8711_ROUT1V,
+ 7, 1, 0),
+
+};
+
+/* add non dapm controls */
+static int wm8711_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8711_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8711_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Output Mixer */
+static const snd_kcontrol_new_t wm8711_output_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8711_APANA, 3, 1, 0),
+SOC_DAPM_SINGLE("HiFi Playback Switch", WM8711_APANA, 4, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget wm8711_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Output Mixer", WM8711_PWR, 4, 1,
+ &wm8711_output_mixer_controls[0],
+ ARRAY_SIZE(wm8711_output_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8711_PWR, 3, 1),
+SND_SOC_DAPM_OUTPUT("LOUT"),
+SND_SOC_DAPM_OUTPUT("LHPOUT"),
+SND_SOC_DAPM_OUTPUT("ROUT"),
+SND_SOC_DAPM_OUTPUT("RHPOUT"),
+};
+
+static const char *intercon[][3] = {
+ /* output mixer */
+ {"Output Mixer", "Line Bypass Switch", "Line Input"},
+ {"Output Mixer", "HiFi Playback Switch", "DAC"},
+
+ /* outputs */
+ {"RHPOUT", NULL, "Output Mixer"},
+ {"ROUT", NULL, "Output Mixer"},
+ {"LHPOUT", NULL, "Output Mixer"},
+ {"LOUT", NULL, "Output Mixer"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8711_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8711_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8711_dapm_widgets[i]);
+ }
+
+ /* set up audio path interconnects */
+ for(i = 0; intercon[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, intercon[i][0], intercon[i][1],
+ intercon[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct _coeff_div {
+ u32 mclk;
+ u32 rate;
+ u16 fs;
+ u8 sr:4;
+ u8 bosr:1;
+ u8 usb:1;
+};
+
+/* codec mclk clock divider coefficients */
+static const struct _coeff_div coeff_div[] = {
+ /* 48k */
+ {12288000, 48000, 256, 0x0, 0x0, 0x0},
+ {18432000, 48000, 384, 0x0, 0x1, 0x0},
+ {12000000, 48000, 250, 0x0, 0x0, 0x1},
+
+ /* 32k */
+ {12288000, 32000, 384, 0x6, 0x0, 0x0},
+ {18432000, 32000, 576, 0x6, 0x1, 0x0},
+
+ /* 8k */
+ {12288000, 8000, 1536, 0x3, 0x0, 0x0},
+ {18432000, 8000, 2304, 0x3, 0x1, 0x0},
+ {11289600, 8000, 1408, 0xb, 0x0, 0x0},
+ {16934400, 8000, 2112, 0xb, 0x1, 0x0},
+ {12000000, 8000, 1500, 0x3, 0x0, 0x1},
+
+ /* 96k */
+ {12288000, 96000, 128, 0x7, 0x0, 0x0},
+ {18432000, 96000, 192, 0x7, 0x1, 0x0},
+ {12000000, 96000, 125, 0x7, 0x0, 0x1},
+
+ /* 44.1k */
+ {11289600, 44100, 256, 0x8, 0x0, 0x0},
+ {16934400, 44100, 384, 0x8, 0x1, 0x0},
+ {12000000, 44100, 272, 0x8, 0x1, 0x1},
+
+ /* 88.2k */
+ {11289600, 88200, 128, 0xf, 0x0, 0x0},
+ {16934400, 88200, 192, 0xf, 0x1, 0x0},
+ {12000000, 88200, 136, 0xf, 0x1, 0x1},
+};
+
+static inline int get_coeff(int mclk, int rate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
+ if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
+ return i;
+ }
+ return 0;
+}
+
+/* WM8711 supports numerous clocks per sample rate */
+static unsigned int wm8711_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ dai->mclk = 0;
+
+ /* check that the calculated FS and rate actually match a clock from
+ * the machine driver */
+ if (info->fs * info->rate == clk)
+ dai->mclk = clk;
+
+ return dai->mclk;
+}
+
+static int wm8711_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 iface = 0, srate;
+ int i = get_coeff(rtd->codec_dai->mclk,
+ snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate));
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ iface |= 0x0040;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+ srate = (coeff_div[i].sr << 2) | (coeff_div[i].bosr << 1) |
+ coeff_div[i].usb;
+ wm8711_write(codec, WM8711_SRATE, srate);
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0002;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x0003;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ iface |= 0x0013;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ iface |= 0x0004;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ iface |= 0x0008;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ iface |= 0x000c;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0090;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0080;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0010;
+ break;
+ }
+
+ /* set iface */
+ wm8711_write(codec, WM8711_IFACE, iface);
+
+ /* set active */
+ wm8711_write(codec, WM8711_ACTIVE, 0x0001);
+ return 0;
+}
+
+static void wm8711_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+
+ /* deactivate */
+ if (!codec->active) {
+ udelay(50);
+ wm8711_write(codec, WM8711_ACTIVE, 0x0);
+ }
+}
+
+static int wm8711_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8711_read_reg_cache(codec, WM8711_APDIGI) & 0xfff7;
+ if (mute)
+ wm8711_write(codec, WM8711_APDIGI, mute_reg | 0x8);
+ else
+ wm8711_write(codec, WM8711_APDIGI, mute_reg);
+
+ return 0;
+}
+
+static int wm8711_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 reg = wm8711_read_reg_cache(codec, WM8711_PWR) & 0xff7f;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, osc on, dac unmute */
+ wm8711_write(codec, WM8711_PWR, reg);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, */
+ wm8711_write(codec, WM8711_PWR, reg | 0x0040);
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8711_write(codec, WM8711_ACTIVE, 0x0);
+ wm8711_write(codec, WM8711_PWR, 0xffff);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8711_dai = {
+ .name = "WM8711",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = wm8711_config_sysclk,
+ .digital_mute = wm8711_mute,
+ .ops = {
+ .prepare = wm8711_pcm_prepare,
+ .shutdown = wm8711_shutdown,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8711_modes),
+ .mode = wm8711_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8711_dai);
+
+static int wm8711_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8711_write(codec, WM8711_ACTIVE, 0x0);
+ wm8711_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8711_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8711_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8711_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8711_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8711 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8711_init(struct snd_soc_device* socdev)
+{
+ struct snd_soc_codec* codec = socdev->codec;
+ int reg, ret = 0;
+
+ codec->name = "WM8711";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8711_read_reg_cache;
+ codec->write = wm8711_write;
+ codec->dapm_event = wm8711_dapm_event;
+ codec->dai = &wm8711_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8711_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8711_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8711_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8711_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8711_reg);
+
+ wm8711_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if (ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ wm8711_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* set the update bits */
+ reg = wm8711_read_reg_cache(codec, WM8711_LOUT1V);
+ wm8711_write(codec, WM8711_LOUT1V, reg | 0x0100);
+ reg = wm8711_read_reg_cache(codec, WM8711_ROUT1V);
+ wm8711_write(codec, WM8711_ROUT1V, reg | 0x0100);
+
+ wm8711_add_controls(codec);
+ wm8711_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *wm8711_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8711 2 wire address is determined by GPIO5
+ * state during powerup.
+ * low = 0x1a
+ * high = 0x1b
+ */
+#define I2C_DRIVERID_WM8711 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8711_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int wm8711_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8711_socdev;
+ struct wm8711_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL){
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+
+ i2c_set_clientdata(i2c, codec);
+
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if (ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8711_init(socdev);
+ if (ret < 0) {
+ err("failed to initialise WM8711\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+
+}
+
+static int wm8711_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec* codec = i2c_get_clientdata(client);
+
+ i2c_detach_client(client);
+
+ kfree(codec->reg_cache);
+ kfree(client);
+
+ return 0;
+}
+
+static int wm8711_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8711_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8711_i2c_driver = {
+ .driver = {
+ .name = "WM8711 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8711,
+ .attach_adapter = wm8711_i2c_attach,
+ .detach_client = wm8711_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8711",
+ .driver = &wm8711_i2c_driver,
+};
+#endif
+
+static int wm8711_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8711_setup_data *setup;
+ struct snd_soc_codec* codec;
+ int ret = 0;
+
+ info("WM8711 Audio Codec %s", WM8711_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8711_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8711_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8711_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8711_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8711_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8711 = {
+ .probe = wm8711_probe,
+ .remove = wm8711_remove,
+ .suspend = wm8711_suspend,
+ .resume = wm8711_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8711);
+
+MODULE_DESCRIPTION("ASoC WM8711 driver");
+MODULE_AUTHOR("Mike Arthur");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8711.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8711.h
@@ -0,0 +1,39 @@
+/*
+ * wm8711.h -- WM8711 Soc Audio driver
+ *
+ * Copyright 2006 Wolfson Microelectronics
+ *
+ * Author: Mike Arthur <linux@wolfsonmicro.com>
+ *
+ * Based on wm8731.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8711_H
+#define _WM8711_H
+
+/* WM8711 register space */
+
+#define WM8711_LOUT1V 0x02
+#define WM8711_ROUT1V 0x03
+#define WM8711_APANA 0x04
+#define WM8711_APDIGI 0x05
+#define WM8711_PWR 0x06
+#define WM8711_IFACE 0x07
+#define WM8711_SRATE 0x08
+#define WM8711_ACTIVE 0x09
+#define WM8711_RESET 0x0f
+
+#define WM8711_CACHEREGNUM 8
+
+struct wm8711_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8711_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8711;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8980.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8980.c
@@ -0,0 +1,991 @@
+/*
+ * wm8980.c -- WM8980 ALSA Soc Audio driver
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ *
+ * Authors:
+ * Mike Arthur <linux@wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8980.h"
+
+#define AUDIO_NAME "wm8980"
+#define WM8980_VERSION "0.2"
+
+/*
+ * Debug
+ */
+
+#define WM8980_DEBUG 0
+
+#ifdef WM8980_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+struct snd_soc_codec_device soc_codec_dev_wm8980;
+
+/*
+ * wm8980 register cache
+ * We can't read the WM8980 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8980_reg[WM8980_CACHEREGNUM] = {
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0050, 0x0000, 0x0140, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x00ff,
+ 0x00ff, 0x0000, 0x0100, 0x00ff,
+ 0x00ff, 0x0000, 0x012c, 0x002c,
+ 0x002c, 0x002c, 0x002c, 0x0000,
+ 0x0032, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0038, 0x000b, 0x0032, 0x0000,
+ 0x0008, 0x000c, 0x0093, 0x00e9,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0033, 0x0010, 0x0010, 0x0100,
+ 0x0100, 0x0002, 0x0001, 0x0001,
+ 0x0039, 0x0039, 0x0039, 0x0039,
+ 0x0001, 0x0001,
+};
+
+#define WM8980_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_IB_IF)
+
+#define WM8980_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8980_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+#define WM8980_PCM_FORMATS \
+ (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
+ SNDRV_PCM_FORMAT_S24_3LE | SNDRV_PCM_FORMAT_S24_LE | \
+ SNDRV_PCM_FORMAT_S32_LE)
+
+#define WM8980_BCLK \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | SND_SOC_FSBD(8) |\
+ SND_SOC_FSBD(16) | SND_SOC_FSBD(32))
+
+static struct snd_soc_dai_mode wm8980_modes[] = {
+ /* codec frame and clock master modes */
+ {
+ .fmt = WM8980_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8980_PCM_FORMATS,
+ .pcmrate = WM8980_RATES,
+ .pcmdir = WM8980_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = WM8980_BCLK,
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8980_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8980_PCM_FORMATS,
+ .pcmrate = WM8980_RATES,
+ .pcmdir = WM8980_DIR,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8980 register cache
+ */
+static inline unsigned int wm8980_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == WM8980_RESET)
+ return 0;
+ if (reg >= WM8980_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8980 register cache
+ */
+static inline void wm8980_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= WM8980_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8980 register space
+ */
+static int wm8980_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8980 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8980_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -1;
+}
+
+#define wm8980_reset(c) wm8980_write(c, WM8980_RESET, 0)
+
+static const char *wm8980_companding[] = {"Off", "NC", "u-law", "A-law" };
+static const char *wm8980_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz" };
+static const char *wm8980_eqmode[] = {"Capture", "Playback" };
+static const char *wm8980_bw[] = {"Narrow", "Wide" };
+static const char *wm8980_eq1[] = {"80Hz", "105Hz", "135Hz", "175Hz" };
+static const char *wm8980_eq2[] = {"230Hz", "300Hz", "385Hz", "500Hz" };
+static const char *wm8980_eq3[] = {"650Hz", "850Hz", "1.1kHz", "1.4kHz" };
+static const char *wm8980_eq4[] = {"1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz" };
+static const char *wm8980_eq5[] = {"5.3kHz", "6.9kHz", "9kHz", "11.7kHz" };
+static const char *wm8980_alc[] =
+ {"ALC both on", "ALC left only", "ALC right only", "Limiter" };
+
+static const struct soc_enum wm8980_enum[] = {
+ SOC_ENUM_SINGLE(WM8980_COMP, 1, 4, wm8980_companding), /* adc */
+ SOC_ENUM_SINGLE(WM8980_COMP, 3, 4, wm8980_companding), /* dac */
+ SOC_ENUM_SINGLE(WM8980_DAC, 4, 4, wm8980_deemp),
+ SOC_ENUM_SINGLE(WM8980_EQ1, 8, 2, wm8980_eqmode),
+
+ SOC_ENUM_SINGLE(WM8980_EQ1, 5, 4, wm8980_eq1),
+ SOC_ENUM_SINGLE(WM8980_EQ2, 8, 2, wm8980_bw),
+ SOC_ENUM_SINGLE(WM8980_EQ2, 5, 4, wm8980_eq2),
+ SOC_ENUM_SINGLE(WM8980_EQ3, 8, 2, wm8980_bw),
+
+ SOC_ENUM_SINGLE(WM8980_EQ3, 5, 4, wm8980_eq3),
+ SOC_ENUM_SINGLE(WM8980_EQ4, 8, 2, wm8980_bw),
+ SOC_ENUM_SINGLE(WM8980_EQ4, 5, 4, wm8980_eq4),
+ SOC_ENUM_SINGLE(WM8980_EQ5, 8, 2, wm8980_bw),
+
+ SOC_ENUM_SINGLE(WM8980_EQ5, 5, 4, wm8980_eq5),
+ SOC_ENUM_SINGLE(WM8980_ALC3, 8, 2, wm8980_alc),
+};
+
+static const struct snd_kcontrol_new wm8980_snd_controls[] = {
+SOC_SINGLE("Digital Loopback Switch", WM8980_COMP, 0, 1, 0),
+
+SOC_ENUM("ADC Companding", wm8980_enum[0]),
+SOC_ENUM("DAC Companding", wm8980_enum[1]),
+
+SOC_SINGLE("Jack Detection Enable", WM8980_JACK1, 6, 1, 0),
+
+SOC_SINGLE("DAC Right Inversion Switch", WM8980_DAC, 1, 1, 0),
+SOC_SINGLE("DAC Left Inversion Switch", WM8980_DAC, 0, 1, 0),
+
+SOC_SINGLE("Left Playback Volume", WM8980_DACVOLL, 0, 127, 0),
+SOC_SINGLE("Right Playback Volume", WM8980_DACVOLR, 0, 127, 0),
+
+SOC_SINGLE("High Pass Filter Switch", WM8980_ADC, 8, 1, 0),
+SOC_SINGLE("High Pass Filter Switch", WM8980_ADC, 8, 1, 0),
+SOC_SINGLE("High Pass Cut Off", WM8980_ADC, 4, 7, 0),
+SOC_SINGLE("Right ADC Inversion Switch", WM8980_ADC, 1, 1, 0),
+SOC_SINGLE("Left ADC Inversion Switch", WM8980_ADC, 0, 1, 0),
+
+SOC_SINGLE("Left Capture Volume", WM8980_ADCVOLL, 0, 127, 0),
+SOC_SINGLE("Right Capture Volume", WM8980_ADCVOLR, 0, 127, 0),
+
+SOC_ENUM("Equaliser Function", wm8980_enum[3]),
+SOC_ENUM("EQ1 Cut Off", wm8980_enum[4]),
+SOC_SINGLE("EQ1 Volume", WM8980_EQ1, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ2 Bandwith", wm8980_enum[5]),
+SOC_ENUM("EQ2 Cut Off", wm8980_enum[6]),
+SOC_SINGLE("EQ2 Volume", WM8980_EQ2, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ3 Bandwith", wm8980_enum[7]),
+SOC_ENUM("EQ3 Cut Off", wm8980_enum[8]),
+SOC_SINGLE("EQ3 Volume", WM8980_EQ3, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ4 Bandwith", wm8980_enum[9]),
+SOC_ENUM("EQ4 Cut Off", wm8980_enum[10]),
+SOC_SINGLE("EQ4 Volume", WM8980_EQ4, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ5 Bandwith", wm8980_enum[11]),
+SOC_ENUM("EQ5 Cut Off", wm8980_enum[12]),
+SOC_SINGLE("EQ5 Volume", WM8980_EQ5, 0, 31, 1),
+
+SOC_SINGLE("DAC Playback Limiter Switch", WM8980_DACLIM1, 8, 1, 0),
+SOC_SINGLE("DAC Playback Limiter Decay", WM8980_DACLIM1, 4, 15, 0),
+SOC_SINGLE("DAC Playback Limiter Attack", WM8980_DACLIM1, 0, 15, 0),
+
+SOC_SINGLE("DAC Playback Limiter Threshold", WM8980_DACLIM2, 4, 7, 0),
+SOC_SINGLE("DAC Playback Limiter Boost", WM8980_DACLIM2, 0, 15, 0),
+
+SOC_SINGLE("ALC Enable Switch", WM8980_ALC1, 8, 1, 0),
+SOC_SINGLE("ALC Capture Max Gain", WM8980_ALC1, 3, 7, 0),
+SOC_SINGLE("ALC Capture Min Gain", WM8980_ALC1, 0, 7, 0),
+
+SOC_SINGLE("ALC Capture ZC Switch", WM8980_ALC2, 8, 1, 0),
+SOC_SINGLE("ALC Capture Hold", WM8980_ALC2, 4, 7, 0),
+SOC_SINGLE("ALC Capture Target", WM8980_ALC2, 0, 15, 0),
+
+SOC_ENUM("ALC Capture Mode", wm8980_enum[13]),
+SOC_SINGLE("ALC Capture Decay", WM8980_ALC3, 4, 15, 0),
+SOC_SINGLE("ALC Capture Attack", WM8980_ALC3, 0, 15, 0),
+
+SOC_SINGLE("ALC Capture Noise Gate Switch", WM8980_NGATE, 3, 1, 0),
+SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8980_NGATE, 0, 7, 0),
+
+SOC_SINGLE("Left Capture PGA ZC Switch", WM8980_INPPGAL, 7, 1, 0),
+SOC_SINGLE("Left Capture PGA Volume", WM8980_INPPGAL, 0, 63, 0),
+
+SOC_SINGLE("Right Capture PGA ZC Switch", WM8980_INPPGAR, 7, 1, 0),
+SOC_SINGLE("Right Capture PGA Volume", WM8980_INPPGAR, 0, 63, 0),
+
+SOC_SINGLE("Left Headphone Playback ZC Switch", WM8980_HPVOLL, 7, 1, 0),
+SOC_SINGLE("Left Headphone Playback Switch", WM8980_HPVOLL, 6, 1, 1),
+SOC_SINGLE("Left Headphone Playback Volume", WM8980_HPVOLL, 0, 63, 0),
+
+SOC_SINGLE("Right Headphone Playback ZC Switch", WM8980_HPVOLR, 7, 1, 0),
+SOC_SINGLE("Right Headphone Playback Switch", WM8980_HPVOLR, 6, 1, 1),
+SOC_SINGLE("Right Headphone Playback Volume", WM8980_HPVOLR, 0, 63, 0),
+
+SOC_SINGLE("Left Speaker Playback ZC Switch", WM8980_SPKVOLL, 7, 1, 0),
+SOC_SINGLE("Left Speaker Playback Switch", WM8980_SPKVOLL, 6, 1, 1),
+SOC_SINGLE("Left Speaker Playback Volume", WM8980_SPKVOLL, 0, 63, 0),
+
+SOC_SINGLE("Right Speaker Playback ZC Switch", WM8980_SPKVOLR, 7, 1, 0),
+SOC_SINGLE("Right Speaker Playback Switch", WM8980_SPKVOLR, 6, 1, 1),
+SOC_SINGLE("Right Speaker Playback Volume", WM8980_SPKVOLR, 0, 63, 0),
+
+SOC_DOUBLE_R("Capture Boost(+20dB)", WM8980_ADCBOOSTL, WM8980_ADCBOOSTR,
+ 8, 1, 0),
+};
+
+/* add non dapm controls */
+static int wm8980_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8980_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8980_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Left Output Mixer */
+static const snd_kcontrol_new_t wm8980_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("Right PCM Playback Switch", WM8980_OUTPUT, 6, 1, 1),
+SOC_DAPM_SINGLE("Left PCM Playback Switch", WM8980_MIXL, 0, 1, 1),
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8980_MIXL, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8980_MIXL, 5, 1, 0),
+};
+
+/* Right Output Mixer */
+static const snd_kcontrol_new_t wm8980_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left PCM Playback Switch", WM8980_OUTPUT, 5, 1, 1),
+SOC_DAPM_SINGLE("Right PCM Playback Switch", WM8980_MIXR, 0, 1, 1),
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8980_MIXR, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8980_MIXR, 5, 1, 0),
+};
+
+/* Left AUX Input boost vol */
+static const snd_kcontrol_new_t wm8980_laux_boost_controls =
+SOC_DAPM_SINGLE("Left Aux Volume", WM8980_ADCBOOSTL, 0, 3, 0);
+
+/* Right AUX Input boost vol */
+static const snd_kcontrol_new_t wm8980_raux_boost_controls =
+SOC_DAPM_SINGLE("Right Aux Volume", WM8980_ADCBOOSTR, 0, 3, 0);
+
+/* Left Input boost vol */
+static const snd_kcontrol_new_t wm8980_lmic_boost_controls =
+SOC_DAPM_SINGLE("Left Input Volume", WM8980_ADCBOOSTL, 4, 3, 0);
+
+/* Right Input boost vol */
+static const snd_kcontrol_new_t wm8980_rmic_boost_controls =
+SOC_DAPM_SINGLE("Right Input Volume", WM8980_ADCBOOSTR, 4, 3, 0);
+
+/* Left Aux In to PGA */
+static const snd_kcontrol_new_t wm8980_laux_capture_boost_controls =
+SOC_DAPM_SINGLE("Left Capture Switch", WM8980_ADCBOOSTL, 8, 1, 0);
+
+/* Right Aux In to PGA */
+static const snd_kcontrol_new_t wm8980_raux_capture_boost_controls =
+SOC_DAPM_SINGLE("Right Capture Switch", WM8980_ADCBOOSTR, 8, 1, 0);
+
+/* Left Input P In to PGA */
+static const snd_kcontrol_new_t wm8980_lmicp_capture_boost_controls =
+SOC_DAPM_SINGLE("Left Input P Capture Boost Switch", WM8980_INPUT, 0, 1, 0);
+
+/* Right Input P In to PGA */
+static const snd_kcontrol_new_t wm8980_rmicp_capture_boost_controls =
+SOC_DAPM_SINGLE("Right Input P Capture Boost Switch", WM8980_INPUT, 4, 1, 0);
+
+/* Left Input N In to PGA */
+static const snd_kcontrol_new_t wm8980_lmicn_capture_boost_controls =
+SOC_DAPM_SINGLE("Left Input N Capture Boost Switch", WM8980_INPUT, 1, 1, 0);
+
+/* Right Input N In to PGA */
+static const snd_kcontrol_new_t wm8980_rmicn_capture_boost_controls =
+SOC_DAPM_SINGLE("Right Input N Capture Boost Switch", WM8980_INPUT, 5, 1, 0);
+
+// TODO Widgets
+static const struct snd_soc_dapm_widget wm8980_dapm_widgets[] = {
+#if 0
+//SND_SOC_DAPM_MUTE("Mono Mute", WM8980_MONOMIX, 6, 0),
+//SND_SOC_DAPM_MUTE("Speaker Mute", WM8980_SPKMIX, 6, 0),
+
+SND_SOC_DAPM_MIXER("Speaker Mixer", WM8980_POWER3, 2, 0,
+ &wm8980_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm8980_speaker_mixer_controls)),
+SND_SOC_DAPM_MIXER("Mono Mixer", WM8980_POWER3, 3, 0,
+ &wm8980_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8980_mono_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8980_POWER3, 0, 0),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8980_POWER3, 0, 0),
+SND_SOC_DAPM_PGA("Aux Input", WM8980_POWER1, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkN Out", WM8980_POWER3, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkP Out", WM8980_POWER3, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out", WM8980_POWER3, 7, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mic PGA", WM8980_POWER2, 2, 0, NULL, 0),
+
+SND_SOC_DAPM_PGA("Aux Boost", SND_SOC_NOPM, 0, 0,
+ &wm8980_aux_boost_controls, 1),
+SND_SOC_DAPM_PGA("Mic Boost", SND_SOC_NOPM, 0, 0,
+ &wm8980_mic_boost_controls, 1),
+SND_SOC_DAPM_SWITCH("Capture Boost", SND_SOC_NOPM, 0, 0,
+ &wm8980_capture_boost_controls),
+
+SND_SOC_DAPM_MIXER("Boost Mixer", WM8980_POWER2, 4, 0, NULL, 0),
+
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8980_POWER1, 4, 0),
+
+SND_SOC_DAPM_INPUT("MICN"),
+SND_SOC_DAPM_INPUT("MICP"),
+SND_SOC_DAPM_INPUT("AUX"),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("SPKOUTP"),
+SND_SOC_DAPM_OUTPUT("SPKOUTN"),
+#endif
+};
+
+static const char *audio_map[][3] = {
+ /* Mono output mixer */
+ {"Mono Mixer", "PCM Playback Switch", "DAC"},
+ {"Mono Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Speaker output mixer */
+ {"Speaker Mixer", "PCM Playback Switch", "DAC"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Outputs */
+ {"Mono Out", NULL, "Mono Mixer"},
+ {"MONOOUT", NULL, "Mono Out"},
+ {"SpkN Out", NULL, "Speaker Mixer"},
+ {"SpkP Out", NULL, "Speaker Mixer"},
+ {"SPKOUTN", NULL, "SpkN Out"},
+ {"SPKOUTP", NULL, "SpkP Out"},
+
+ /* Boost Mixer */
+ {"Boost Mixer", NULL, "ADC"},
+ {"Capture Boost Switch", "Aux Capture Boost Switch", "AUX"},
+ {"Aux Boost", "Aux Volume", "Boost Mixer"},
+ {"Capture Boost", "Capture Switch", "Boost Mixer"},
+ {"Mic Boost", "Mic Volume", "Boost Mixer"},
+
+ /* Inputs */
+ {"MICP", NULL, "Mic Boost"},
+ {"MICN", NULL, "Mic PGA"},
+ {"Mic PGA", NULL, "Capture Boost"},
+ {"AUX", NULL, "Aux Input"},
+
+ /* */
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8980_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8980_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8980_dapm_widgets[i]);
+ }
+
+ /* set up audio path map */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0], audio_map[i][1],
+ audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct pll_ {
+ unsigned int in_hz, out_hz;
+ unsigned int pre:4; /* prescale - 1 */
+ unsigned int n:4;
+ unsigned int k;
+};
+
+struct pll_ pll[] = {
+ {12000000, 11289600, 0, 7, 0x86c220},
+ {12000000, 12288000, 0, 8, 0x3126e8},
+ {13000000, 11289600, 0, 6, 0xf28bd4},
+ {13000000, 12288000, 0, 7, 0x8fd525},
+ {12288000, 11289600, 0, 7, 0x59999a},
+ {11289600, 12288000, 0, 8, 0x80dee9},
+ /* TODO: liam - add more entries */
+};
+
+static int set_pll(struct snd_soc_codec *codec, unsigned int in,
+ unsigned int out)
+{
+ int i;
+ u16 reg;
+
+ if(out == 0) {
+ reg = wm8980_read_reg_cache(codec, WM8980_POWER1);
+ wm8980_write(codec, WM8980_POWER1, reg & 0x1df);
+ return 0;
+ }
+
+ for(i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (in == pll[i].in_hz && out == pll[i].out_hz) {
+ wm8980_write(codec, WM8980_PLLN, (pll[i].pre << 4) | pll[i].n);
+ wm8980_write(codec, WM8980_PLLK1, pll[i].k >> 18);
+ wm8980_write(codec, WM8980_PLLK1, (pll[i].k >> 9) && 0x1ff);
+ wm8980_write(codec, WM8980_PLLK1, pll[i].k && 0x1ff);
+ reg = wm8980_read_reg_cache(codec, WM8980_POWER1);
+ wm8980_write(codec, WM8980_POWER1, reg | 0x020);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+/* mclk dividers * 2 */
+static unsigned char mclk_div[] = {2, 3, 4, 6, 8, 12, 16, 24};
+
+/* we need 256FS to drive the DAC's and ADC's */
+static unsigned int wm8980_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ int i, j, best_clk = info->fs * info->rate;
+
+ /* can we run at this clk without the PLL ? */
+ for (i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if ((best_clk >> 1) * mclk_div[i] == clk) {
+ dai->pll_in = 0;
+ dai->clk_div = mclk_div[i];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+
+ /* now check for PLL support */
+ for (i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (pll[i].in_hz == clk) {
+ for (j = 0; j < ARRAY_SIZE(mclk_div); j++) {
+ if (pll[i].out_hz == mclk_div[j] * (best_clk >> 1)) {
+ dai->pll_in = clk;
+ dai->pll_out = pll[i].out_hz;
+ dai->clk_div = mclk_div[j];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+}
+
+static int wm8980_pcm_prepare(snd_pcm_substream_t *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec_dai *dai = rtd->codec_dai;
+ u16 iface = 0, bfs, clk = 0, adn;
+ int fs = 48000 << 7, i;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ switch (bfs) {
+ case 2:
+ clk |= 0x1 << 2;
+ break;
+ case 4:
+ clk |= 0x2 << 2;
+ break;
+ case 8:
+ clk |= 0x3 << 2;
+ break;
+ case 16:
+ clk |= 0x4 << 2;
+ break;
+ case 32:
+ clk |= 0x5 << 2;
+ break;
+ }
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ clk |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0010;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0008;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x00018;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ iface |= 0x0020;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ iface |= 0x0040;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ iface |= 0x0060;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0180;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0100;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0080;
+ break;
+ }
+
+ /* filter coefficient */
+ adn = wm8980_read_reg_cache(codec, WM8980_ADD) & 0x1f1;
+ switch (rtd->codec_dai->dai_runtime.pcmrate) {
+ case SNDRV_PCM_RATE_8000:
+ adn |= 0x5 << 1;
+ fs = 8000 << 7;
+ break;
+ case SNDRV_PCM_RATE_11025:
+ adn |= 0x4 << 1;
+ fs = 11025 << 7;
+ break;
+ case SNDRV_PCM_RATE_16000:
+ adn |= 0x3 << 1;
+ fs = 16000 << 7;
+ break;
+ case SNDRV_PCM_RATE_22050:
+ adn |= 0x2 << 1;
+ fs = 22050 << 7;
+ break;
+ case SNDRV_PCM_RATE_32000:
+ adn |= 0x1 << 1;
+ fs = 32000 << 7;
+ break;
+ case SNDRV_PCM_RATE_44100:
+ fs = 44100 << 7;
+ break;
+ }
+
+ /* do we need to enable the PLL */
+ if(dai->pll_in)
+ set_pll(codec, dai->pll_in, dai->pll_out);
+
+ /* divide the clock to 256 fs */
+ for(i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if (dai->clk_div == mclk_div[i]) {
+ clk |= i << 5;
+ clk &= 0xff;
+ goto set;
+ }
+ }
+
+set:
+ /* set iface */
+ wm8980_write(codec, WM8980_IFACE, iface);
+ wm8980_write(codec, WM8980_CLOCK, clk);
+
+ return 0;
+}
+
+static int wm8980_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ set_pll(codec, 0, 0);
+ return 0;
+}
+
+static int wm8980_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8980_read_reg_cache(codec, WM8980_DAC) & 0xffbf;
+ if(mute)
+ wm8980_write(codec, WM8980_DAC, mute_reg | 0x40);
+ else
+ wm8980_write(codec, WM8980_DAC, mute_reg);
+
+ return 0;
+}
+
+/* TODO: liam need to make this lower power with dapm */
+static int wm8980_dapm_event(struct snd_soc_codec *codec, int event)
+{
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, clk and osc on, dac unmute, active */
+ wm8980_write(codec, WM8980_POWER1, 0x1ff);
+ wm8980_write(codec, WM8980_POWER2, 0x1ff);
+ wm8980_write(codec, WM8980_POWER3, 0x1ff);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, dac mute, inactive */
+
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8980_write(codec, WM8980_POWER1, 0x0);
+ wm8980_write(codec, WM8980_POWER2, 0x0);
+ wm8980_write(codec, WM8980_POWER3, 0x0);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8980_dai = {
+ .name = "WM8980 HiFi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .config_sysclk = wm8980_config_sysclk,
+ .digital_mute = wm8980_mute,
+ .ops = {
+ .prepare = wm8980_pcm_prepare,
+ .hw_free = wm8980_hw_free,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8980_modes),
+ .mode = wm8980_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8980_dai);
+
+static int wm8980_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8980_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8980_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8980_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8980_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8980_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8980 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8980_init(struct snd_soc_device* socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ codec->name = "WM8980";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8980_read_reg_cache;
+ codec->write = wm8980_write;
+ codec->dapm_event = wm8980_dapm_event;
+ codec->dai = &wm8980_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8980_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8980_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8980_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8980_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8980_reg);
+
+ wm8980_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ wm8980_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8980_add_controls(codec);
+ wm8980_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if(ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *wm8980_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8980 2 wire address is 0x1a
+ */
+#define I2C_DRIVERID_WM8980 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8980_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int wm8980_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8980_socdev;
+ struct wm8980_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL){
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+
+ i2c_set_clientdata(i2c, codec);
+
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if(ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8980_init(socdev);
+ if(ret < 0) {
+ err("failed to initialise WM8980\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+
+}
+
+static int wm8980_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+
+ i2c_detach_client(client);
+
+ kfree(codec->reg_cache);
+ kfree(client);
+
+ return 0;
+}
+
+static int wm8980_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8980_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8980_i2c_driver = {
+ .driver = {
+ .name = "WM8980 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8980,
+ .attach_adapter = wm8980_i2c_attach,
+ .detach_client = wm8980_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8980",
+ .driver = &wm8980_i2c_driver,
+};
+#endif
+
+static int wm8980_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8980_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8980 Audio Codec %s", WM8980_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8980_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8980_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8980_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8980_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8980_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8980 = {
+ .probe = wm8980_probe,
+ .remove = wm8980_remove,
+ .suspend = wm8980_suspend,
+ .resume = wm8980_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8980);
+
+MODULE_DESCRIPTION("ASoC WM8980 driver");
+MODULE_AUTHOR("Mike Arthur");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8980.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8980.h
@@ -0,0 +1,77 @@
+/*
+ * wm8980.h -- WM8980 Soc Audio driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8980_H
+#define _WM8980_H
+
+/* WM8980 register space */
+
+#define WM8980_RESET 0x0
+#define WM8980_POWER1 0x1
+#define WM8980_POWER2 0x2
+#define WM8980_POWER3 0x3
+#define WM8980_IFACE 0x4
+#define WM8980_COMP 0x5
+#define WM8980_CLOCK 0x6
+#define WM8980_ADD 0x7
+#define WM8980_GPIO 0x8
+#define WM8980_JACK1 0x9
+#define WM8980_DAC 0xa
+#define WM8980_DACVOLL 0xb
+#define WM8980_DACVOLR 0xc
+#define WM8980_JACK2 0xd
+#define WM8980_ADC 0xe
+#define WM8980_ADCVOLL 0xf
+#define WM8980_ADCVOLR 0x10
+#define WM8980_EQ1 0x12
+#define WM8980_EQ2 0x13
+#define WM8980_EQ3 0x14
+#define WM8980_EQ4 0x15
+#define WM8980_EQ5 0x16
+#define WM8980_DACLIM1 0x18
+#define WM8980_DACLIM2 0x19
+#define WM8980_NOTCH1 0x1b
+#define WM8980_NOTCH2 0x1c
+#define WM8980_NOTCH3 0x1d
+#define WM8980_NOTCH4 0x1e
+#define WM8980_ALC1 0x20
+#define WM8980_ALC2 0x21
+#define WM8980_ALC3 0x22
+#define WM8980_NGATE 0x23
+#define WM8980_PLLN 0x24
+#define WM8980_PLLK1 0x25
+#define WM8980_PLLK2 0x26
+#define WM8980_PLLK3 0x27
+#define WM8980_VIDEO 0x28
+#define WM8980_3D 0x29
+#define WM8980_BEEP 0x2b
+#define WM8980_INPUT 0x2c
+#define WM8980_INPPGAL 0x2d
+#define WM8980_INPPGAR 0x2e
+#define WM8980_ADCBOOSTL 0x2f
+#define WM8980_ADCBOOSTR 0x30
+#define WM8980_OUTPUT 0x31
+#define WM8980_MIXL 0x32
+#define WM8980_MIXR 0x33
+#define WM8980_HPVOLL 0x34
+#define WM8980_HPVOLR 0x35
+#define WM8980_SPKVOLL 0x36
+#define WM8980_SPKVOLR 0x37
+#define WM8980_OUT3MIX 0x38
+#define WM8980_MONOMIX 0x39
+
+#define WM8980_CACHEREGNUM 58
+
+struct wm8980_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8980_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8980;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/at91/eti_b1_wm8731.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/at91/eti_b1_wm8731.c
@@ -0,0 +1,230 @@
+/*
+ * eti_b1_wm8731 -- SoC audio for Endrelia ETI_B1.
+ *
+ * Author: Frank Mandarino <fmandarino@endrelia.com>
+ * Endrelia Technologies Inc.
+ * Created: Mar 29, 2006
+ *
+ * Based on corgi.c by:
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 30th Nov 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/arch/at91rm9200.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/hardware.h>
+
+#include "../codecs/wm8731.h"
+#include "at91rm9200-pcm.h"
+
+#if 0
+#define DBG(x...) printk(KERN_INFO "eti_b1_wm8731:" x)
+#else
+#define DBG(x...)
+#endif
+
+static struct clk *pck1_clk;
+static struct clk *pllb_clk;
+
+static int eti_b1_startup(snd_pcm_substream_t *substream)
+{
+ /* Start PCK1 clock. */
+ clk_enable(pck1_clk);
+ DBG("pck1 started\n");
+
+ return 0;
+}
+
+static void eti_b1_shutdown(snd_pcm_substream_t *substream)
+{
+ /* Stop PCK1 clock. */
+ clk_disable(pck1_clk);
+ DBG("pck1 stopped\n");
+}
+
+static struct snd_soc_ops eti_b1_ops = {
+ .startup = eti_b1_startup,
+ .shutdown = eti_b1_shutdown,
+};
+
+
+static const struct snd_soc_dapm_widget eti_b1_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+};
+
+static const char *intercon[][3] = {
+
+ /* speaker connected to LHPOUT */
+ {"Ext Spk", NULL, "LHPOUT"},
+
+ /* mic is connected to Mic Jack, with WM8731 Mic Bias */
+ {"MICIN", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Int Mic"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+/*
+ * Logic for a wm8731 as connected on a Endrelia ETI-B1 board.
+ */
+static int eti_b1_wm8731_init(struct snd_soc_codec *codec)
+{
+ int i;
+
+ DBG("eti_b1_wm8731_init() called\n");
+
+ /* Add specific widgets */
+ for(i = 0; i < ARRAY_SIZE(eti_b1_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &eti_b1_dapm_widgets[i]);
+ }
+
+ /* Set up specific audio path interconnects */
+ for(i = 0; intercon[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, intercon[i][0],
+ intercon[i][1], intercon[i][2]);
+ }
+
+ /* not connected */
+ snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
+
+ /* always connected */
+ snd_soc_dapm_set_endpoint(codec, "Int Mic", 1);
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", 1);
+
+ snd_soc_dapm_sync_endpoints(codec);
+
+ return 0;
+}
+
+unsigned int eti_b1_config_sysclk(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_clock_info *info)
+{
+ if(info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
+ return rtd->codec_dai->config_sysclk(rtd->codec_dai, info, 12000000);
+ }
+ return 0;
+}
+
+static struct snd_soc_dai_link eti_b1_dai = {
+ .name = "WM8731",
+ .stream_name = "WM8731",
+ .cpu_dai = &at91rm9200_i2s_dai[1],
+ .codec_dai = &wm8731_dai,
+ .init = eti_b1_wm8731_init,
+ .config_sysclk = eti_b1_config_sysclk,
+};
+
+static struct snd_soc_machine snd_soc_machine_eti_b1 = {
+ .name = "ETI_B1",
+ .dai_link = &eti_b1_dai,
+ .num_links = 1,
+ .ops = &eti_b1_ops,
+};
+
+static struct wm8731_setup_data eti_b1_wm8731_setup = {
+ .i2c_address = 0x1a,
+};
+
+static struct snd_soc_device eti_b1_snd_devdata = {
+ .machine = &snd_soc_machine_eti_b1,
+ .platform = &at91rm9200_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8731,
+ .codec_data = &eti_b1_wm8731_setup,
+};
+
+static struct platform_device *eti_b1_snd_device;
+
+static int __init eti_b1_init(void)
+{
+ int ret;
+ u32 ssc_pio_lines;
+
+ eti_b1_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!eti_b1_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(eti_b1_snd_device, &eti_b1_snd_devdata);
+ eti_b1_snd_devdata.dev = &eti_b1_snd_device->dev;
+
+ ret = platform_device_add(eti_b1_snd_device);
+ if (ret) {
+ platform_device_put(eti_b1_snd_device);
+ return ret;
+ }
+
+ ssc_pio_lines = AT91_PB6_TF1 | AT91_PB7_TK1 | AT91_PB8_TD1
+ | AT91_PB9_RD1 /* | AT91_PB10_RK1 | AT91_PB11_RF1 */;
+
+ /* Reset all PIO registers and assign lines to peripheral A */
+ at91_sys_write(AT91_PIOB + PIO_PDR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_ODR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_IFDR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_CODR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_IDR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_MDDR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_PUDR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_ASR, ssc_pio_lines);
+ at91_sys_write(AT91_PIOB + PIO_OWDR, ssc_pio_lines);
+
+ /*
+ * Set PCK1 parent to PLLB and its rate to 12 Mhz.
+ */
+ pllb_clk = clk_get(NULL, "pllb");
+ pck1_clk = clk_get(NULL, "pck1");
+
+ clk_set_parent(pck1_clk, pllb_clk);
+ clk_set_rate(pck1_clk, 12000000);
+
+ DBG("MCLK rate %luHz\n", clk_get_rate(pck1_clk));
+
+ /* assign the GPIO pin to PCK1 */
+ at91_set_B_periph(AT91_PIN_PA24, 0);
+
+ return ret;
+}
+
+static void __exit eti_b1_exit(void)
+{
+ clk_put(pck1_clk);
+ clk_put(pllb_clk);
+
+ platform_device_unregister(eti_b1_snd_device);
+}
+
+module_init(eti_b1_init);
+module_exit(eti_b1_exit);
+
+/* Module information */
+MODULE_AUTHOR("Frank Mandarino <fmandarino@endrelia.com>");
+MODULE_DESCRIPTION("ALSA SoC ETI-B1-WM8731");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8510.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8510.c
@@ -0,0 +1,895 @@
+/*
+ * wm8510.c -- WM8510 ALSA Soc Audio driver
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ *
+ * Author: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8510.h"
+
+#define AUDIO_NAME "wm8510"
+#define WM8510_VERSION "0.5"
+
+/*
+ * Debug
+ */
+
+#define WM8510_DEBUG 0
+
+#ifdef WM8510_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+struct snd_soc_codec_device soc_codec_dev_wm8510;
+
+/*
+ * wm8510 register cache
+ * We can't read the WM8510 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8510_reg[WM8510_CACHEREGNUM] = {
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0050, 0x0000, 0x0140, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x00ff,
+ 0x0000, 0x0000, 0x0100, 0x00ff,
+ 0x0000, 0x0000, 0x012c, 0x002c,
+ 0x002c, 0x002c, 0x002c, 0x0000,
+ 0x0032, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0038, 0x000b, 0x0032, 0x0000,
+ 0x0008, 0x000c, 0x0093, 0x00e9,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0003, 0x0010, 0x0000, 0x0000,
+ 0x0000, 0x0002, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0039, 0x0000,
+ 0x0000,
+};
+
+#define WM8510_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
+ SND_SOC_DAIFMT_IB_IF)
+
+#define WM8510_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8510_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+#define WM8794_BCLK \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | SND_SOC_FSBD(8) |\
+ SND_SOC_FSBD(16) | SND_SOC_FSBD(32))
+
+#define WM8794_HIFI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_mode wm8510_modes[] = {
+ /* codec frame and clock master modes */
+ {
+ .fmt = WM8510_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8794_HIFI_BITS,
+ .pcmrate = WM8510_RATES,
+ .pcmdir = WM8510_DIR,
+ .fs = 256,
+ .bfs = WM8794_BCLK,
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8510_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8794_HIFI_BITS,
+ .pcmrate = WM8510_RATES,
+ .pcmdir = WM8510_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8510 register cache
+ */
+static inline unsigned int wm8510_read_reg_cache(struct snd_soc_codec * codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == WM8510_RESET)
+ return 0;
+ if (reg >= WM8510_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8510 register cache
+ */
+static inline void wm8510_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= WM8510_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8510 register space
+ */
+static int wm8510_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8510 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8510_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -EIO;
+}
+
+#define wm8510_reset(c) wm8510_write(c, WM8510_RESET, 0)
+
+static const char *wm8510_companding[] = {"Off", "NC", "u-law", "A-law" };
+static const char *wm8510_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz" };
+static const char *wm8510_alc[] = {"ALC", "Limiter" };
+
+static const struct soc_enum wm8510_enum[] = {
+ SOC_ENUM_SINGLE(WM8510_COMP, 1, 4, wm8510_companding), /* adc */
+ SOC_ENUM_SINGLE(WM8510_COMP, 3, 4, wm8510_companding), /* dac */
+ SOC_ENUM_SINGLE(WM8510_DAC, 4, 4, wm8510_deemp),
+ SOC_ENUM_SINGLE(WM8510_ALC3, 8, 2, wm8510_alc),
+};
+
+static const struct snd_kcontrol_new wm8510_snd_controls[] = {
+
+SOC_SINGLE("Digital Loopback Switch", WM8510_COMP, 0, 1, 0),
+
+SOC_ENUM("DAC Companding", wm8510_enum[1]),
+SOC_ENUM("ADC Companding", wm8510_enum[0]),
+
+SOC_ENUM("Playback De-emphasis", wm8510_enum[2]),
+SOC_SINGLE("DAC Inversion Switch", WM8510_DAC, 0, 1, 0),
+
+SOC_SINGLE("Master Playback Volume", WM8510_DACVOL, 0, 127, 0),
+
+SOC_SINGLE("High Pass Filter Switch", WM8510_ADC, 8, 1, 0),
+SOC_SINGLE("High Pass Cut Off", WM8510_ADC, 4, 7, 0),
+SOC_SINGLE("ADC Inversion Switch", WM8510_COMP, 0, 1, 0),
+
+SOC_SINGLE("Capture Volume", WM8510_ADCVOL, 0, 127, 0),
+
+SOC_SINGLE("DAC Playback Limiter Switch", WM8510_DACLIM1, 8, 1, 0),
+SOC_SINGLE("DAC Playback Limiter Decay", WM8510_DACLIM1, 4, 15, 0),
+SOC_SINGLE("DAC Playback Limiter Attack", WM8510_DACLIM1, 0, 15, 0),
+
+SOC_SINGLE("DAC Playback Limiter Threshold", WM8510_DACLIM2, 4, 7, 0),
+SOC_SINGLE("DAC Playback Limiter Boost", WM8510_DACLIM2, 0, 15, 0),
+
+SOC_SINGLE("ALC Enable Switch", WM8510_ALC1, 8, 1, 0),
+SOC_SINGLE("ALC Capture Max Gain", WM8510_ALC1, 3, 7, 0),
+SOC_SINGLE("ALC Capture Min Gain", WM8510_ALC1, 0, 7, 0),
+
+SOC_SINGLE("ALC Capture ZC Switch", WM8510_ALC2, 8, 1, 0),
+SOC_SINGLE("ALC Capture Hold", WM8510_ALC2, 4, 7, 0),
+SOC_SINGLE("ALC Capture Target", WM8510_ALC2, 0, 15, 0),
+
+SOC_ENUM("ALC Capture Mode", wm8510_enum[3]),
+SOC_SINGLE("ALC Capture Decay", WM8510_ALC3, 4, 15, 0),
+SOC_SINGLE("ALC Capture Attack", WM8510_ALC3, 0, 15, 0),
+
+SOC_SINGLE("ALC Capture Noise Gate Switch", WM8510_NGATE, 3, 1, 0),
+SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8510_NGATE, 0, 7, 0),
+
+SOC_SINGLE("Capture PGA ZC Switch", WM8510_INPPGA, 7, 1, 0),
+SOC_SINGLE("Capture PGA Volume", WM8510_INPPGA, 0, 63, 0),
+
+SOC_SINGLE("Speaker Playback ZC Switch", WM8510_SPKVOL, 7, 1, 0),
+SOC_SINGLE("Speaker Playback Switch", WM8510_SPKVOL, 6, 1, 1),
+SOC_SINGLE("Speaker Playback Volume", WM8510_SPKVOL, 0, 63, 0),
+
+SOC_SINGLE("Capture Boost(+20dB)", WM8510_ADCBOOST, 8, 1, 0),
+SOC_SINGLE("Mono Playback Switch", WM8510_MONOMIX, 6, 1, 0),
+};
+
+/* add non dapm controls */
+static int wm8510_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8510_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8510_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Speaker Output Mixer */
+static const struct snd_kcontrol_new wm8510_speaker_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_SPKMIX, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_SPKMIX, 5, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_SPKMIX, 0, 1, 1),
+};
+
+/* Mono Output Mixer */
+static const struct snd_kcontrol_new wm8510_mono_mixer_controls[] = {
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8510_MONOMIX, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8510_MONOMIX, 2, 1, 0),
+SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 1),
+};
+
+/* AUX Input boost vol */
+static const struct snd_kcontrol_new wm8510_aux_boost_controls =
+SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0);
+
+/* Mic Input boost vol */
+static const struct snd_kcontrol_new wm8510_mic_boost_controls =
+SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0);
+
+/* Capture boost switch */
+static const struct snd_kcontrol_new wm8510_capture_boost_controls =
+SOC_DAPM_SINGLE("Capture Boost Switch", WM8510_INPPGA, 6, 1, 0);
+
+/* Aux In to PGA */
+static const struct snd_kcontrol_new wm8510_aux_capture_boost_controls =
+SOC_DAPM_SINGLE("Aux Capture Boost Switch", WM8510_INPPGA, 2, 1, 0);
+
+/* Mic P In to PGA */
+static const struct snd_kcontrol_new wm8510_micp_capture_boost_controls =
+SOC_DAPM_SINGLE("Mic P Capture Boost Switch", WM8510_INPPGA, 0, 1, 0);
+
+/* Mic N In to PGA */
+static const struct snd_kcontrol_new wm8510_micn_capture_boost_controls =
+SOC_DAPM_SINGLE("Mic N Capture Boost Switch", WM8510_INPPGA, 1, 1, 0);
+
+static const struct snd_soc_dapm_widget wm8510_dapm_widgets[] = {
+SND_SOC_DAPM_MIXER("Speaker Mixer", WM8510_POWER3, 2, 0,
+ &wm8510_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm8510_speaker_mixer_controls)),
+SND_SOC_DAPM_MIXER("Mono Mixer", WM8510_POWER3, 3, 0,
+ &wm8510_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8510_mono_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8510_POWER3, 0, 0),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8510_POWER3, 0, 0),
+SND_SOC_DAPM_PGA("Aux Input", WM8510_POWER1, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mic PGA", WM8510_POWER2, 2, 0, NULL, 0),
+
+SND_SOC_DAPM_PGA("Aux Boost", SND_SOC_NOPM, 0, 0,
+ &wm8510_aux_boost_controls, 1),
+SND_SOC_DAPM_PGA("Mic Boost", SND_SOC_NOPM, 0, 0,
+ &wm8510_mic_boost_controls, 1),
+SND_SOC_DAPM_SWITCH("Capture Boost", SND_SOC_NOPM, 0, 0,
+ &wm8510_capture_boost_controls),
+
+SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0, NULL, 0),
+
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8510_POWER1, 4, 0),
+
+SND_SOC_DAPM_INPUT("MICN"),
+SND_SOC_DAPM_INPUT("MICP"),
+SND_SOC_DAPM_INPUT("AUX"),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("SPKOUTP"),
+SND_SOC_DAPM_OUTPUT("SPKOUTN"),
+};
+
+static const char *audio_map[][3] = {
+ /* Mono output mixer */
+ {"Mono Mixer", "PCM Playback Switch", "DAC"},
+ {"Mono Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Speaker output mixer */
+ {"Speaker Mixer", "PCM Playback Switch", "DAC"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Outputs */
+ {"Mono Out", NULL, "Mono Mixer"},
+ {"MONOOUT", NULL, "Mono Out"},
+ {"SpkN Out", NULL, "Speaker Mixer"},
+ {"SpkP Out", NULL, "Speaker Mixer"},
+ {"SPKOUTN", NULL, "SpkN Out"},
+ {"SPKOUTP", NULL, "SpkP Out"},
+
+ /* Boost Mixer */
+ {"Boost Mixer", NULL, "ADC"},
+ {"Capture Boost Switch", "Aux Capture Boost Switch", "AUX"},
+ {"Aux Boost", "Aux Volume", "Boost Mixer"},
+ {"Capture Boost", "Capture Switch", "Boost Mixer"},
+ {"Mic Boost", "Mic Volume", "Boost Mixer"},
+
+ /* Inputs */
+ {"MICP", NULL, "Mic Boost"},
+ {"MICN", NULL, "Mic PGA"},
+ {"Mic PGA", NULL, "Capture Boost"},
+ {"AUX", NULL, "Aux Input"},
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8510_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8510_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8510_dapm_widgets[i]);
+ }
+
+ /* set up audio path audio_mapnects */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct pll_ {
+ unsigned int in_hz, out_hz;
+ unsigned int pre:4; /* prescale - 1 */
+ unsigned int n:4;
+ unsigned int k;
+};
+
+struct pll_ pll[] = {
+ {12000000, 11289600, 0, 7, 0x86c220},
+ {12000000, 12288000, 0, 8, 0x3126e8},
+ {13000000, 11289600, 0, 6, 0xf28bd4},
+ {13000000, 12288000, 0, 7, 0x8fd525},
+ {12288000, 11289600, 0, 7, 0x59999a},
+ {11289600, 12288000, 0, 8, 0x80dee9},
+ /* liam - add more entries */
+};
+
+static int set_pll(struct snd_soc_codec *codec, unsigned int in,
+ unsigned int out)
+{
+ int i;
+ u16 reg;
+
+ if(out == 0) {
+ reg = wm8510_read_reg_cache(codec, WM8510_POWER1);
+ wm8510_write(codec, WM8510_POWER1, reg & 0x1df);
+ return 0;
+ }
+
+ for(i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (in == pll[i].in_hz && out == pll[i].out_hz) {
+ wm8510_write(codec, WM8510_PLLN, (pll[i].pre << 4) | pll[i].n);
+ wm8510_write(codec, WM8510_PLLK1, pll[i].k >> 18);
+ wm8510_write(codec, WM8510_PLLK1, (pll[i].k >> 9) && 0x1ff);
+ wm8510_write(codec, WM8510_PLLK1, pll[i].k && 0x1ff);
+ reg = wm8510_read_reg_cache(codec, WM8510_POWER1);
+ wm8510_write(codec, WM8510_POWER1, reg | 0x020);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+/* mclk dividers * 2 */
+static unsigned char mclk_div[] = {2, 3, 4, 6, 8, 12, 16, 24};
+
+/* we need 256FS to drive the DAC's and ADC's */
+static unsigned int wm8510_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ int i, j, best_clk = info->fs * info->rate;
+
+ /* can we run at this clk without the PLL ? */
+ for (i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if ((best_clk >> 1) * mclk_div[i] == clk) {
+ dai->pll_in = 0;
+ dai->clk_div = mclk_div[i];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+
+ /* now check for PLL support */
+ for (i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (pll[i].in_hz == clk) {
+ for (j = 0; j < ARRAY_SIZE(mclk_div); j++) {
+ if (pll[i].out_hz == mclk_div[j] * (best_clk >> 1)) {
+ dai->pll_in = clk;
+ dai->pll_out = pll[i].out_hz;
+ dai->clk_div = mclk_div[j];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+}
+
+static int wm8510_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec_dai *dai = rtd->codec_dai;
+ u16 iface = 0, bfs, clk = 0, adn;
+ int fs = 48000 << 7, i;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ switch (bfs) {
+ case 2:
+ clk |= 0x1 << 2;
+ break;
+ case 4:
+ clk |= 0x2 << 2;
+ break;
+ case 8:
+ clk |= 0x3 << 2;
+ break;
+ case 16:
+ clk |= 0x4 << 2;
+ break;
+ case 32:
+ clk |= 0x5 << 2;
+ break;
+ }
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ clk |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0010;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0008;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x00018;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ iface |= 0x0020;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ iface |= 0x0040;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ iface |= 0x0060;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0180;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0100;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0080;
+ break;
+ }
+
+ /* filter coefficient */
+ adn = wm8510_read_reg_cache(codec, WM8510_ADD) & 0x1f1;
+ switch (rtd->codec_dai->dai_runtime.pcmrate) {
+ case SNDRV_PCM_RATE_8000:
+ adn |= 0x5 << 1;
+ fs = 8000 << 7;
+ break;
+ case SNDRV_PCM_RATE_11025:
+ adn |= 0x4 << 1;
+ fs = 11025 << 7;
+ break;
+ case SNDRV_PCM_RATE_16000:
+ adn |= 0x3 << 1;
+ fs = 16000 << 7;
+ break;
+ case SNDRV_PCM_RATE_22050:
+ adn |= 0x2 << 1;
+ fs = 22050 << 7;
+ break;
+ case SNDRV_PCM_RATE_32000:
+ adn |= 0x1 << 1;
+ fs = 32000 << 7;
+ break;
+ case SNDRV_PCM_RATE_44100:
+ fs = 44100 << 7;
+ break;
+ }
+
+ /* do we need to enable the PLL */
+ if(dai->pll_in)
+ set_pll(codec, dai->pll_in, dai->pll_out);
+
+ /* divide the clock to 256 fs */
+ for(i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if (dai->clk_div == mclk_div[i]) {
+ clk |= i << 5;
+ clk &= 0xff;
+ goto set;
+ }
+ }
+
+set:
+ /* set iface */
+ wm8510_write(codec, WM8510_IFACE, iface);
+ wm8510_write(codec, WM8510_CLOCK, clk);
+
+ return 0;
+}
+
+static int wm8510_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ set_pll(codec, 0, 0);
+ return 0;
+}
+
+static int wm8510_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8510_read_reg_cache(codec, WM8510_DAC) & 0xffbf;
+ if(mute)
+ wm8510_write(codec, WM8510_DAC, mute_reg | 0x40);
+ else
+ wm8510_write(codec, WM8510_DAC, mute_reg);
+ return 0;
+}
+
+/* liam need to make this lower power with dapm */
+static int wm8510_dapm_event(struct snd_soc_codec *codec, int event)
+{
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, clk and osc on, dac unmute, active */
+ wm8510_write(codec, WM8510_POWER1, 0x1ff);
+ wm8510_write(codec, WM8510_POWER2, 0x1ff);
+ wm8510_write(codec, WM8510_POWER3, 0x1ff);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, dac mute, inactive */
+
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8510_write(codec, WM8510_POWER1, 0x0);
+ wm8510_write(codec, WM8510_POWER2, 0x0);
+ wm8510_write(codec, WM8510_POWER3, 0x0);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8510_dai = {
+ .name = "WM8510 HiFi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ },
+ .config_sysclk = wm8510_config_sysclk,
+ .digital_mute = wm8510_mute,
+ .ops = {
+ .prepare = wm8510_pcm_prepare,
+ .hw_free = wm8510_hw_free,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8510_modes),
+ .mode = wm8510_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8510_dai);
+
+static int wm8510_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8510_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8510_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8510_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8510_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8510_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8510 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8510_init(struct snd_soc_device *socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ codec->name = "WM8510";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8510_read_reg_cache;
+ codec->write = wm8510_write;
+ codec->dapm_event = wm8510_dapm_event;
+ codec->dai = &wm8510_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8510_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8510_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8510_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8510_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8510_reg);
+
+ wm8510_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ wm8510_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8510_add_controls(codec);
+ wm8510_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if(ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *wm8510_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8510 2 wire address is 0x1a
+ */
+#define I2C_DRIVERID_WM8510 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8510_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int wm8510_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8510_socdev;
+ struct wm8510_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL){
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+ i2c_set_clientdata(i2c, codec);
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if(ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8510_init(socdev);
+ if(ret < 0) {
+ err("failed to initialise WM8510\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+}
+
+static int wm8510_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+ i2c_detach_client(client);
+ kfree(codec->reg_cache);
+ kfree(client);
+ return 0;
+}
+
+static int wm8510_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8510_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8510_i2c_driver = {
+ .driver = {
+ .name = "WM8510 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8510,
+ .attach_adapter = wm8510_i2c_attach,
+ .detach_client = wm8510_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8510",
+ .driver = &wm8510_i2c_driver,
+};
+#endif
+
+static int wm8510_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8510_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8510 Audio Codec %s", WM8510_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8510_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8510_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8510_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8510_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8510_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8510 = {
+ .probe = wm8510_probe,
+ .remove = wm8510_remove,
+ .suspend = wm8510_suspend,
+ .resume = wm8510_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8510);
+
+MODULE_DESCRIPTION("ASoC WM8510 driver");
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8510.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8510.h
@@ -0,0 +1,64 @@
+/*
+ * wm8510.h -- WM8510 Soc Audio driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8510_H
+#define _WM8510_H
+
+/* WM8510 register space */
+
+#define WM8510_RESET 0x0
+#define WM8510_POWER1 0x1
+#define WM8510_POWER2 0x2
+#define WM8510_POWER3 0x3
+#define WM8510_IFACE 0x4
+#define WM8510_COMP 0x5
+#define WM8510_CLOCK 0x6
+#define WM8510_ADD 0x7
+#define WM8510_GPIO 0x8
+#define WM8510_DAC 0xa
+#define WM8510_DACVOL 0xb
+#define WM8510_ADC 0xe
+#define WM8510_ADCVOL 0xf
+#define WM8510_EQ1 0x12
+#define WM8510_EQ2 0x13
+#define WM8510_EQ3 0x14
+#define WM8510_EQ4 0x15
+#define WM8510_EQ5 0x16
+#define WM8510_DACLIM1 0x18
+#define WM8510_DACLIM2 0x19
+#define WM8510_NOTCH1 0x1b
+#define WM8510_NOTCH2 0x1c
+#define WM8510_NOTCH3 0x1d
+#define WM8510_NOTCH4 0x1e
+#define WM8510_ALC1 0x20
+#define WM8510_ALC2 0x21
+#define WM8510_ALC3 0x22
+#define WM8510_NGATE 0x23
+#define WM8510_PLLN 0x24
+#define WM8510_PLLK1 0x25
+#define WM8510_PLLK2 0x26
+#define WM8510_PLLK3 0x27
+#define WM8510_ATTEN 0x28
+#define WM8510_INPUT 0x2c
+#define WM8510_INPPGA 0x2d
+#define WM8510_ADCBOOST 0x2f
+#define WM8510_OUTPUT 0x31
+#define WM8510_SPKMIX 0x32
+#define WM8510_SPKVOL 0x36
+#define WM8510_MONOMIX 0x38
+
+#define WM8510_CACHEREGNUM 57
+
+struct wm8510_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8510_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8510;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/imx/imx-ac97.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/imx-ac97.c
@@ -0,0 +1,281 @@
+/*
+ * imx-ssi.c -- SSI driver for Freescale IMX
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Based on mxc-alsa-mc13783 (C) 2006 Freescale.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 29th Aug 2006 Initial version.
+ *
+ */
+
+#define IMX_AC97_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+/* may need to expand this */
+static struct snd_soc_dai_mode imx_ssi_ac97_modes[] = {
+ {0, 0, SNDRV_PCM_FMTBIT_S16_LE, IMX_AC97_RATES},
+ {0, 0, SNDRV_PCM_FMTBIT_S18_3LE, IMX_AC97_RATES},
+ {0, 0, SNDRV_PCM_FMTBIT_S20_3LE, IMX_AC97_RATES},
+};
+
+static imx_pcm_dma_params_t imx_ssi1_pcm_stereo_out = {
+ .name = "SSI1 PCM Stereo out",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = emi_2_per,
+ .watermark_level = SDMA_TXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI1_STX0,
+ .event_id = DMA_REQ_SSI1_TX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi1_pcm_stereo_in = {
+ .name = "SSI1 PCM Stereo in",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_RXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI1_SRX0,
+ .event_id = DMA_REQ_SSI1_RX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi2_pcm_stereo_out = {
+ .name = "SSI2 PCM Stereo out",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_TXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI2_STX0,
+ .event_id = DMA_REQ_SSI2_TX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi2_pcm_stereo_in = {
+ .name = "SSI2 PCM Stereo in",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_RXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI2_SRX0,
+ .event_id = DMA_REQ_SSI2_RX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static unsigned short imx_ssi_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
+{
+}
+
+static void imx_ssi_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
+{
+}
+
+static void imx_ssi_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+}
+
+static void imx_ssi_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+}
+
+struct snd_ac97_bus_ops soc_ac97_ops = {
+ .read = imx_ssi_ac97_read,
+ .write = imx_ssi_ac97_write,
+ .warm_reset = imx_ssi_ac97_warm_reset,
+ .reset = imx_ssi_ac97_cold_reset,
+};
+
+
+static intimx_ssi1_ac97_probe(struct platform_device *pdev)
+{
+ int ret;
+
+
+ return ret;
+}
+
+static void imx_ssi1_ac97_remove(struct platform_device *pdev)
+{
+ /* shutdown SSI */
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR &= ~SSI_SCR_SSIEN;
+ else
+ SSI2_SCR &= ~SSI_SCR_SSIEN;
+ }
+
+}
+
+static int imx_ssi1_ac97_prepare(struct snd_pcm_substream *substream)
+{
+ // set vra
+}
+
+static int imx_ssi_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (!rtd->cpu_dai->active) {
+
+ }
+
+ return 0;
+}
+
+static int imx_ssi1_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ SSI1_SCR |= SSI_SCR_TE;
+ SSI1_SIER |= SSI_SIER_TDMAE;
+ } else {
+ SSI1_SCR |= SSI_SCR_RE;
+ SSI1_SIER |= SSI_SIER_RDMAE;
+ }
+ SSI1_SCR |= SSI_SCR_SSIEN;
+
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSI1_SCR |= SSI_SCR_TE;
+ else
+ SSI1_SCR |= SSI_SCR_RE;
+ break
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSI1_SCR &= ~SSI_SCR_TE;
+ else
+ SSI1_SCR &= ~SSI_SCR_RE;
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static void imx_ssi_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+
+}
+
+#ifdef CONFIG_PM
+static int imx_ssi_suspend(struct platform_device *dev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if(!dai->active)
+ return 0;
+
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR &= ~SSI_SCR_SSIEN;
+ else
+ SSI2_SCR &= ~SSI_SCR_SSIEN;
+
+ return 0;
+}
+
+static int imx_ssi_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if(!dai->active)
+ return 0;
+
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR |= SSI_SCR_SSIEN;
+ else
+ SSI2_SCR |= SSI_SCR_SSIEN;
+
+ return 0;
+}
+
+#else
+#define imx_ssi_suspend NULL
+#define imx_ssi_resume NULL
+#endif
+
+static unsigned int imx_ssi_config_ac97_sysclk(struct snd_soc_cpu_dai *iface,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ return clk;
+}
+
+struct snd_soc_cpu_dai imx_ssi_ac97_dai = {
+ .name = "imx-ac97-1",
+ .id = 0,
+ .type = SND_SOC_DAI_AC97,
+ .suspend = imx_ssi_suspend,
+ .resume = imx_ssi_resume,
+ .config_sysclk = imx_ssi_ac97_config_sysclk,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .ops = {
+ .probe = imx_ac97_probe,
+ .remove = imx_ac97_shutdown,
+ .trigger = imx_ssi1_trigger,
+ .prepare = imx_ssi_ac97_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(imx_ssi_ac97_modes),
+ .mode = imx_ssi_ac97_modes,},
+},
+{
+ .name = "imx-ac97-2",
+ .id = 1,
+ .type = SND_SOC_DAI_AC97,
+ .suspend = imx_ssi_suspend,
+ .resume = imx_ssi_resume,
+ .config_sysclk = imx_ssi_ac97_config_sysclk,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .ops = {
+ .probe = imx_ac97_probe,
+ .remove = imx_ac97_shutdown,
+ .trigger = imx_ssi1_trigger,
+ .prepare = imx_ssi_ac97_prepare,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(imx_ssi_ac97_modes),
+ .mode = imx_ssi_ac97_modes,},
+};
+
+EXPORT_SYMBOL_GPL(imx_ssi_ac97_dai);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("i.MX ASoC AC97 driver");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/imx/imx-i2s.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/imx-i2s.c
@@ -0,0 +1,473 @@
+/*
+ * imx-ssi.c -- SSI driver for Freescale IMX
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Based on mxc-alsa-mc13783 (C) 2006 Freescale.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 29th Aug 2006 Initial version.
+ *
+ */
+
+#define IMX_SSI_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J |\
+ SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_DSP__A |\
+ SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_CBS_CFS |\
+ SND_SOC_DAIFMT_CBM_CFS | SND_SOC_DAIFMT_CBS_CFM |\
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF)
+
+#define IMX_SSI_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define IMX_SSI_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | \
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | \
+ SNDRV_PCM_RATE_96000)
+
+#define IMX_SSI_BITS \
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_mode imx_ssi_pcm_modes[] = {
+
+ /* frame master and clock slave mode */
+ {
+ .fmt = IMX_SSI_DAIFMT | SND_SOC_DAIFMT_CBM_CFS,
+ .tdm = SND_SOC_DAITDM_LRDW(0,0),
+ .pcmfmt = IMX_SSI_BITS,
+ .pcmrate = IMX_SSI_RATES,
+ .pcmdir = IMX_SSI_DIR,
+ .flags = SND_SOC_DAI_BFS_RCW,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSBW(1) | SND_SOC_FSBW(2),
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi1_pcm_stereo_out = {
+ .name = "SSI1 PCM Stereo out",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = emi_2_per,
+ .watermark_level = SDMA_TXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI1_STX0,
+ .event_id = DMA_REQ_SSI1_TX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi1_pcm_stereo_in = {
+ .name = "SSI1 PCM Stereo in",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_RXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI1_SRX0,
+ .event_id = DMA_REQ_SSI1_RX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi2_pcm_stereo_out = {
+ .name = "SSI2 PCM Stereo out",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_TXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI2_STX0,
+ .event_id = DMA_REQ_SSI2_TX1,
+ .peripheral_type = SSI,
+ },
+};
+
+static imx_pcm_dma_params_t imx_ssi2_pcm_stereo_in = {
+ .name = "SSI2 PCM Stereo in",
+ .params = {
+ .bd_number = 1,
+ .transfer_type = per_2_emi,
+ .watermark_level = SDMA_RXFIFO_WATERMARK,
+ .word_size = TRANSFER_16BIT, // maybe add this in setup func
+ .per_address = SSI2_SRX0,
+ .event_id = DMA_REQ_SSI2_RX1,
+ .peripheral_type = SSI,
+ },
+};
+
+
+static int imx_ssi_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ if (!rtd->cpu_dai->active) {
+
+ }
+
+ return 0;
+}
+
+static int imx_ssi1_hw_tx_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 bfs, div;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs);
+
+ SSI1_STCR = 0;
+ SSI1_STCCR = 0;
+
+ /* DAI mode */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ SSI1_STCR |= SSI_STCR_TSCKP | SSI_STCR_TFSI |
+ SSI_STCR_TEFS | SSI_STCR_TXBIT0;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ SSI1_STCR |= SSI_STCR_TSCKP | SSI_STCR_TFSI | SSI_STCR_TXBIT0;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ SSI1_STCR |= SSI_STCR_TEFS; // data 1 bit after sync
+ case SND_SOC_DAIFMT_DSP_A:
+ SSI1_STCR |= SSI_STCR_TFSL; // frame is 1 bclk long
+
+ /* DAI clock inversion */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ SSI1_STCR |= SSI_STCR_TFSI | SSI_STCR_TSCKP;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ SSI1_STCR |= SSI_STCR_TSCKP;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ SSI1_STCR |= SSI_STCR_TFSI;
+ break;
+ }
+ break;
+ }
+
+ /* DAI data (word) size */
+ switch(rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ SSI1_STCCR |= SSI_STCCR_WL(16);
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ SSI1_STCCR |= SSI_STCCR_WL(20);
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ SSI1_STCCR |= SSI_STCCR_WL(24);
+ break;
+ }
+
+ /* DAI clock master masks */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK){
+ case SND_SOC_DAIFMT_CBM_CFM:
+ SSI1_STCR |= SSI_STCR_TFDIR | SSI_STCR_TXDIR;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ SSI1_STCR |= SSI_STCR_TFDIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ SSI1_STCR |= SSI_STCR_TXDIR;
+ break;
+ }
+
+ /* DAI BCLK ratio to SYSCLK / MCLK */
+ /* prescaler modulus - todo */
+ switch (bfs) {
+ case 2:
+ break;
+ case 4:
+ break;
+ case 8:
+ break;
+ case 16:
+ break;
+ }
+
+ /* TDM - todo, only fifo 0 atm */
+ SSI1_STCR |= SSI_STCR_TFEN0;
+ SSI1_STCCR |= SSI_STCCR_DC(params_channels(params));
+
+ return 0;
+}
+
+static int imx_ssi1_hw_rx_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 bfs, div;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs);
+
+ SSI1_SRCR = 0;
+ SSI1_SRCCR = 0;
+
+ /* DAI mode */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ SSI1_SRCR |= SSI_SRCR_RSCKP | SSI_SRCR_RFSI |
+ SSI_STCR_REFS | SSI_STCR_RXBIT0;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ SSI1_SRCR |= SSI_SRCR_RSCKP | SSI_SRCR_RFSI | SSI_SRCR_RXBIT0;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ SSI1_SRCR |= SSI_SRCR_REFS; // data 1 bit after sync
+ case SND_SOC_DAIFMT_DSP_A:
+ SSI1_SRCR |= SSI_SRCR_RFSL; // frame is 1 bclk long
+
+ /* DAI clock inversion */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ SSI1_SRCR |= SSI_SRCR_TFSI | SSI_SRCR_TSCKP;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ SSI1_SRCR |= SSI_SRCR_RSCKP;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ SSI1_SRCR |= SSI_SRCR_RFSI;
+ break;
+ }
+ break;
+ }
+
+ /* DAI data (word) size */
+ switch(rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ SSI1_SRCCR |= SSI_SRCCR_WL(16);
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ SSI1_SRCCR |= SSI_SRCCR_WL(20);
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ SSI1_SRCCR |= SSI_SRCCR_WL(24);
+ break;
+ }
+
+ /* DAI clock master masks */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK){
+ case SND_SOC_DAIFMT_CBM_CFM:
+ SSI1_SRCR |= SSI_SRCR_RFDIR | SSI_SRCR_RXDIR;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFM:
+ SSI1_SRCR |= SSI_SRCR_RFDIR;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ SSI1_SRCR |= SSI_SRCR_RXDIR;
+ break;
+ }
+
+ /* DAI BCLK ratio to SYSCLK / MCLK */
+ /* prescaler modulus - todo */
+ switch (bfs) {
+ case 2:
+ break;
+ case 4:
+ break;
+ case 8:
+ break;
+ case 16:
+ break;
+ }
+
+ /* TDM - todo, only fifo 0 atm */
+ SSI1_SRCR |= SSI_SRCR_RFEN0;
+ SSI1_SRCCR |= SSI_SRCCR_DC(params_channels(params));
+
+ return 0;
+}
+
+static int imx_ssi1_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ /* clear register if not enabled */
+ if(!(SSI1_SCR & SSI_SCR_SSIEN))
+ SSI1_SCR = 0;
+
+ /* async */
+ if (rtd->cpu_dai->flags & SND_SOC_DAI_ASYNC)
+ SSI1_SCR |= SSI_SCR_SYN;
+
+ /* DAI mode */
+ switch(rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_LEFT_J:
+ SSI1_SCR |= SSI_SCR_NET;
+ break;
+ }
+
+ /* TDM - to complete */
+
+ /* Tx/Rx config */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ return imx_ssi1_hw_tx_params(substream, params);
+ } else {
+ return imx_ssi1_hw_rx_params(substream, params);
+ }
+}
+
+
+
+static int imx_ssi1_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ SSI1_SCR |= SSI_SCR_TE;
+ SSI1_SIER |= SSI_SIER_TDMAE;
+ } else {
+ SSI1_SCR |= SSI_SCR_RE;
+ SSI1_SIER |= SSI_SIER_RDMAE;
+ }
+ SSI1_SCR |= SSI_SCR_SSIEN;
+
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSI1_SCR |= SSI_SCR_TE;
+ else
+ SSI1_SCR |= SSI_SCR_RE;
+ break
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SSI1_SCR &= ~SSI_SCR_TE;
+ else
+ SSI1_SCR &= ~SSI_SCR_RE;
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static void imx_ssi_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
+ /* shutdown SSI */
+ if (!rtd->cpu_dai->active) {
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR &= ~SSI_SCR_SSIEN;
+ else
+ SSI2_SCR &= ~SSI_SCR_SSIEN;
+ }
+}
+
+#ifdef CONFIG_PM
+static int imx_ssi_suspend(struct platform_device *dev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if(!dai->active)
+ return 0;
+
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR &= ~SSI_SCR_SSIEN;
+ else
+ SSI2_SCR &= ~SSI_SCR_SSIEN;
+
+ return 0;
+}
+
+static int imx_ssi_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if(!dai->active)
+ return 0;
+
+ if(rtd->cpu_dai->id == 0)
+ SSI1_SCR |= SSI_SCR_SSIEN;
+ else
+ SSI2_SCR |= SSI_SCR_SSIEN;
+
+ return 0;
+}
+
+#else
+#define imx_ssi_suspend NULL
+#define imx_ssi_resume NULL
+#endif
+
+static unsigned int imx_ssi_config_pcm_sysclk(struct snd_soc_cpu_dai *iface,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ return clk;
+}
+
+struct snd_soc_cpu_dai imx_ssi_pcm_dai = {
+ .name = "imx-i2s-1",
+ .id = 0,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = imx_ssi_suspend,
+ .resume = imx_ssi_resume,
+ .config_sysclk = imx_ssi_config_pcm_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = imx_ssi_startup,
+ .shutdown = imx_ssi_shutdown,
+ .trigger = imx_ssi1_trigger,
+ .hw_params = imx_ssi1_pcm_hw_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(imx_ssi_modes),
+ .mode = imx_ssi_modes,},
+},
+{
+ .name = "imx-i2s-2",
+ .id = 1,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = imx_ssi_suspend,
+ .resume = imx_ssi_resume,
+ .config_sysclk = imx_ssi_config_pcm_sysclk,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,},
+ .ops = {
+ .startup = imx_ssi_startup,
+ .shutdown = imx_ssi_shutdown,
+ .trigger = imx_ssi1_trigger,
+ .hw_params = imx_ssi1_pcm_hw_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(imx_ssi_modes),
+ .mode = imx_ssi_modes,},
+};
+
+
+EXPORT_SYMBOL_GPL(imx_ssi_i2s_dai);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("i.MX ASoC I2S driver");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/include/linux/i2c-id.h
===================================================================
--- linux-2.6.17/include/linux/i2c-id.h.orig 2006-11-25 00:15:33.571185017 +0100
+++ linux-2.6.17/include/linux/i2c-id.h 2006-11-25 00:17:31.017877925 +0100
@@ -113,6 +113,9 @@
#define I2C_DRIVERID_PCF8563 83 /* Philips PCF8563 RTC */
#define I2C_DRIVERID_RS5C372 84 /* Ricoh RS5C372 RTC */
+#define I2C_DRIVERID_WM8731 89 /* Wolfson WM8731 audio codec */
+#define I2C_DRIVERID_WM8750 90 /* Wolfson WM8750 audio codec */
+
#define I2C_DRIVERID_I2CDEV 900
#define I2C_DRIVERID_ARP 902 /* SMBus ARP Client */
#define I2C_DRIVERID_ALERT 903 /* SMBus Alert Responder Client */
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8976.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8976.c
@@ -0,0 +1,953 @@
+/*
+ * wm8976.c -- WM8976 ALSA Soc Audio driver
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+
+#include "wm8976.h"
+
+#define AUDIO_NAME "wm8976"
+#define WM8976_VERSION "0.2"
+
+/*
+ * Debug
+ */
+
+#define WM8976_DEBUG 0
+
+#ifdef WM8976_DEBUG
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG AUDIO_NAME ": " format "\n" , ## arg)
+#else
+#define dbg(format, arg...) do {} while (0)
+#endif
+#define err(format, arg...) \
+ printk(KERN_ERR AUDIO_NAME ": " format "\n" , ## arg)
+#define info(format, arg...) \
+ printk(KERN_INFO AUDIO_NAME ": " format "\n" , ## arg)
+#define warn(format, arg...) \
+ printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
+
+struct snd_soc_codec_device soc_codec_dev_wm8976;
+
+/*
+ * wm8976 register cache
+ * We can't read the WM8976 register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ */
+static const u16 wm8976_reg[WM8976_CACHEREGNUM] = {
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0050, 0x0000, 0x0140, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x00ff,
+ 0x00ff, 0x0000, 0x0100, 0x00ff,
+ 0x00ff, 0x0000, 0x012c, 0x002c,
+ 0x002c, 0x002c, 0x002c, 0x0000,
+ 0x0032, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0038, 0x000b, 0x0032, 0x0000,
+ 0x0008, 0x000c, 0x0093, 0x00e9,
+ 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0033, 0x0010, 0x0010, 0x0100,
+ 0x0100, 0x0002, 0x0001, 0x0001,
+ 0x0039, 0x0039, 0x0039, 0x0039,
+ 0x0001, 0x0001,
+};
+
+#define WM8976_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
+ SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_IB_IF)
+
+#define WM8976_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define WM8976_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+#define WM8976_PCM_FORMATS \
+ (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
+ SNDRV_PCM_FORMAT_S24_3LE | SNDRV_PCM_FORMAT_S24_LE | \
+ SNDRV_PCM_FORMAT_S32_LE)
+
+#define WM8976_BCLK \
+ (SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | SND_SOC_FSBD(8) |\
+ SND_SOC_FSBD(16) | SND_SOC_FSBD(32))
+
+static struct snd_soc_dai_mode wm8976_modes[] = {
+ /* codec frame and clock master modes */
+ {
+ .fmt = WM8976_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
+ .pcmfmt = WM8976_PCM_FORMATS,
+ .pcmrate = WM8976_RATES,
+ .pcmdir = WM8976_DIR,
+ .flags = SND_SOC_DAI_BFS_DIV,
+ .fs = 256,
+ .bfs = WM8976_BCLK,
+ },
+
+ /* codec frame and clock slave modes */
+ {
+ .fmt = WM8976_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = WM8976_PCM_FORMATS,
+ .pcmrate = WM8976_RATES,
+ .pcmdir = WM8976_DIR,
+ .fs = SND_SOC_FS_ALL,
+ .bfs = SND_SOC_FSB_ALL,
+ },
+};
+
+/*
+ * read wm8976 register cache
+ */
+static inline unsigned int wm8976_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg == WM8976_RESET)
+ return 0;
+ if (reg >= WM8976_CACHEREGNUM)
+ return -1;
+ return cache[reg];
+}
+
+/*
+ * write wm8976 register cache
+ */
+static inline void wm8976_write_reg_cache(struct snd_soc_codec *codec,
+ u16 reg, unsigned int value)
+{
+ u16 *cache = codec->reg_cache;
+ if (reg >= WM8976_CACHEREGNUM)
+ return;
+ cache[reg] = value;
+}
+
+/*
+ * write to the WM8976 register space
+ */
+static int wm8976_write(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ u8 data[2];
+
+ /* data is
+ * D15..D9 WM8976 register offset
+ * D8...D0 register data
+ */
+ data[0] = (reg << 1) | ((value >> 8) & 0x0001);
+ data[1] = value & 0x00ff;
+
+ wm8976_write_reg_cache (codec, reg, value);
+ if (codec->hw_write(codec->control_data, data, 2) == 2)
+ return 0;
+ else
+ return -1;
+}
+
+#define wm8976_reset(c) wm8976_write(c, WM8976_RESET, 0)
+
+static const char *wm8976_companding[] = {"Off", "NC", "u-law", "A-law" };
+static const char *wm8976_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz" };
+static const char *wm8976_eqmode[] = {"Capture", "Playback" };
+static const char *wm8976_bw[] = {"Narrow", "Wide" };
+static const char *wm8976_eq1[] = {"80Hz", "105Hz", "135Hz", "175Hz" };
+static const char *wm8976_eq2[] = {"230Hz", "300Hz", "385Hz", "500Hz" };
+static const char *wm8976_eq3[] = {"650Hz", "850Hz", "1.1kHz", "1.4kHz" };
+static const char *wm8976_eq4[] = {"1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz" };
+static const char *wm8976_eq5[] = {"5.3kHz", "6.9kHz", "9kHz", "11.7kHz" };
+static const char *wm8976_alc[] =
+ {"ALC both on", "ALC left only", "ALC right only", "Limiter" };
+
+static const struct soc_enum wm8976_enum[] = {
+ SOC_ENUM_SINGLE(WM8976_COMP, 1, 4, wm8976_companding), /* adc */
+ SOC_ENUM_SINGLE(WM8976_COMP, 3, 4, wm8976_companding), /* dac */
+ SOC_ENUM_SINGLE(WM8976_DAC, 4, 4, wm8976_deemp),
+ SOC_ENUM_SINGLE(WM8976_EQ1, 8, 2, wm8976_eqmode),
+
+ SOC_ENUM_SINGLE(WM8976_EQ1, 5, 4, wm8976_eq1),
+ SOC_ENUM_SINGLE(WM8976_EQ2, 8, 2, wm8976_bw),
+ SOC_ENUM_SINGLE(WM8976_EQ2, 5, 4, wm8976_eq2),
+ SOC_ENUM_SINGLE(WM8976_EQ3, 8, 2, wm8976_bw),
+
+ SOC_ENUM_SINGLE(WM8976_EQ3, 5, 4, wm8976_eq3),
+ SOC_ENUM_SINGLE(WM8976_EQ4, 8, 2, wm8976_bw),
+ SOC_ENUM_SINGLE(WM8976_EQ4, 5, 4, wm8976_eq4),
+ SOC_ENUM_SINGLE(WM8976_EQ5, 8, 2, wm8976_bw),
+
+ SOC_ENUM_SINGLE(WM8976_EQ5, 5, 4, wm8976_eq5),
+ SOC_ENUM_SINGLE(WM8976_ALC3, 8, 2, wm8976_alc),
+};
+
+static const struct snd_kcontrol_new wm8976_snd_controls[] = {
+SOC_SINGLE("Digital Loopback Switch", WM8976_COMP, 0, 1, 0),
+
+SOC_ENUM("ADC Companding", wm8976_enum[0]),
+SOC_ENUM("DAC Companding", wm8976_enum[1]),
+
+SOC_SINGLE("Jack Detection Enable", WM8976_JACK1, 6, 1, 0),
+
+SOC_DOUBLE("DAC Inversion Switch", WM8976_DAC, 0, 1, 1, 0),
+
+SOC_DOUBLE_R("Headphone Playback Volume", WM8976_DACVOLL, WM8976_DACVOLR, 0, 127, 0),
+
+SOC_SINGLE("High Pass Filter Switch", WM8976_ADC, 8, 1, 0),
+SOC_SINGLE("High Pass Filter Switch", WM8976_ADC, 8, 1, 0),
+SOC_SINGLE("High Pass Cut Off", WM8976_ADC, 4, 7, 0),
+
+SOC_DOUBLE("ADC Inversion Switch", WM8976_ADC, 0, 1, 1, 0),
+
+SOC_SINGLE("Capture Volume", WM8976_ADCVOL, 0, 127, 0),
+
+SOC_ENUM("Equaliser Function", wm8976_enum[3]),
+SOC_ENUM("EQ1 Cut Off", wm8976_enum[4]),
+SOC_SINGLE("EQ1 Volume", WM8976_EQ1, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ2 Bandwith", wm8976_enum[5]),
+SOC_ENUM("EQ2 Cut Off", wm8976_enum[6]),
+SOC_SINGLE("EQ2 Volume", WM8976_EQ2, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ3 Bandwith", wm8976_enum[7]),
+SOC_ENUM("EQ3 Cut Off", wm8976_enum[8]),
+SOC_SINGLE("EQ3 Volume", WM8976_EQ3, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ4 Bandwith", wm8976_enum[9]),
+SOC_ENUM("EQ4 Cut Off", wm8976_enum[10]),
+SOC_SINGLE("EQ4 Volume", WM8976_EQ4, 0, 31, 1),
+
+SOC_ENUM("Equaliser EQ5 Bandwith", wm8976_enum[11]),
+SOC_ENUM("EQ5 Cut Off", wm8976_enum[12]),
+SOC_SINGLE("EQ5 Volume", WM8976_EQ5, 0, 31, 1),
+
+SOC_SINGLE("DAC Playback Limiter Switch", WM8976_DACLIM1, 8, 1, 0),
+SOC_SINGLE("DAC Playback Limiter Decay", WM8976_DACLIM1, 4, 15, 0),
+SOC_SINGLE("DAC Playback Limiter Attack", WM8976_DACLIM1, 0, 15, 0),
+
+SOC_SINGLE("DAC Playback Limiter Threshold", WM8976_DACLIM2, 4, 7, 0),
+SOC_SINGLE("DAC Playback Limiter Boost", WM8976_DACLIM2, 0, 15, 0),
+
+SOC_SINGLE("ALC Enable Switch", WM8976_ALC1, 8, 1, 0),
+SOC_SINGLE("ALC Capture Max Gain", WM8976_ALC1, 3, 7, 0),
+SOC_SINGLE("ALC Capture Min Gain", WM8976_ALC1, 0, 7, 0),
+
+SOC_SINGLE("ALC Capture ZC Switch", WM8976_ALC2, 8, 1, 0),
+SOC_SINGLE("ALC Capture Hold", WM8976_ALC2, 4, 7, 0),
+SOC_SINGLE("ALC Capture Target", WM8976_ALC2, 0, 15, 0),
+
+SOC_ENUM("ALC Capture Mode", wm8976_enum[13]),
+SOC_SINGLE("ALC Capture Decay", WM8976_ALC3, 4, 15, 0),
+SOC_SINGLE("ALC Capture Attack", WM8976_ALC3, 0, 15, 0),
+
+SOC_SINGLE("ALC Capture Noise Gate Switch", WM8976_NGATE, 3, 1, 0),
+SOC_SINGLE("ALC Capture Noise Gate Threshold", WM8976_NGATE, 0, 7, 0),
+
+SOC_SINGLE("Capture PGA ZC Switch", WM8976_INPPGA, 7, 1, 0),
+SOC_SINGLE("Capture PGA Volume", WM8976_INPPGA, 0, 63, 0),
+
+SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8976_HPVOLL, WM8976_HPVOLR, 7, 1, 0),
+SOC_DOUBLE_R("Headphone Playback Switch", WM8976_HPVOLL, WM8976_HPVOLR, 6, 1, 1),
+SOC_DOUBLE_R("Headphone Playback Volume", WM8976_HPVOLL, WM8976_HPVOLR, 0, 63, 0),
+
+SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8976_SPKVOLL, WM8976_SPKVOLR, 7, 1, 0),
+SOC_DOUBLE_R("Speaker Playback Switch", WM8976_SPKVOLL, WM8976_SPKVOLR, 6, 1, 1),
+SOC_DOUBLE_R("Speaker Playback Volume", WM8976_SPKVOLL, WM8976_SPKVOLR, 0, 63, 0),
+
+SOC_SINGLE("Capture Boost(+20dB)", WM8976_ADCBOOST, 8, 1, 0),
+};
+
+/* add non dapm controls */
+static int wm8976_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8976_snd_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8976_snd_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Left Output Mixer */
+static const snd_kcontrol_new_t wm8976_left_mixer_controls[] = {
+SOC_DAPM_SINGLE("Right PCM Playback Switch", WM8976_OUTPUT, 6, 1, 1),
+SOC_DAPM_SINGLE("Left PCM Playback Switch", WM8976_MIXL, 0, 1, 1),
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8976_MIXL, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8976_MIXL, 5, 1, 0),
+};
+
+/* Right Output Mixer */
+static const snd_kcontrol_new_t wm8976_right_mixer_controls[] = {
+SOC_DAPM_SINGLE("Left PCM Playback Switch", WM8976_OUTPUT, 5, 1, 1),
+SOC_DAPM_SINGLE("Right PCM Playback Switch", WM8976_MIXR, 0, 1, 1),
+SOC_DAPM_SINGLE("Line Bypass Switch", WM8976_MIXR, 1, 1, 0),
+SOC_DAPM_SINGLE("Aux Playback Switch", WM8976_MIXR, 5, 1, 0),
+};
+
+/* Left AUX Input boost vol */
+static const snd_kcontrol_new_t wm8976_laux_boost_controls =
+SOC_DAPM_SINGLE("Aux Volume", WM8976_ADCBOOST, 0, 3, 0);
+
+/* Left Input boost vol */
+static const snd_kcontrol_new_t wm8976_lmic_boost_controls =
+SOC_DAPM_SINGLE("Input Volume", WM8976_ADCBOOST, 4, 3, 0);
+
+/* Left Aux In to PGA */
+static const snd_kcontrol_new_t wm8976_laux_capture_boost_controls =
+SOC_DAPM_SINGLE("Capture Switch", WM8976_ADCBOOST, 8, 1, 0);
+
+/* Left Input P In to PGA */
+static const snd_kcontrol_new_t wm8976_lmicp_capture_boost_controls =
+SOC_DAPM_SINGLE("Input P Capture Boost Switch", WM8976_INPUT, 0, 1, 0);
+
+/* Left Input N In to PGA */
+static const snd_kcontrol_new_t wm8976_lmicn_capture_boost_controls =
+SOC_DAPM_SINGLE("Input N Capture Boost Switch", WM8976_INPUT, 1, 1, 0);
+
+// TODO Widgets
+static const struct snd_soc_dapm_widget wm8976_dapm_widgets[] = {
+#if 0
+//SND_SOC_DAPM_MUTE("Mono Mute", WM8976_MONOMIX, 6, 0),
+//SND_SOC_DAPM_MUTE("Speaker Mute", WM8976_SPKMIX, 6, 0),
+
+SND_SOC_DAPM_MIXER("Speaker Mixer", WM8976_POWER3, 2, 0,
+ &wm8976_speaker_mixer_controls[0],
+ ARRAY_SIZE(wm8976_speaker_mixer_controls)),
+SND_SOC_DAPM_MIXER("Mono Mixer", WM8976_POWER3, 3, 0,
+ &wm8976_mono_mixer_controls[0],
+ ARRAY_SIZE(wm8976_mono_mixer_controls)),
+SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM8976_POWER3, 0, 0),
+SND_SOC_DAPM_ADC("ADC", "HiFi Capture", WM8976_POWER3, 0, 0),
+SND_SOC_DAPM_PGA("Aux Input", WM8976_POWER1, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkN Out", WM8976_POWER3, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("SpkP Out", WM8976_POWER3, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mono Out", WM8976_POWER3, 7, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Mic PGA", WM8976_POWER2, 2, 0, NULL, 0),
+
+SND_SOC_DAPM_PGA("Aux Boost", SND_SOC_NOPM, 0, 0,
+ &wm8976_aux_boost_controls, 1),
+SND_SOC_DAPM_PGA("Mic Boost", SND_SOC_NOPM, 0, 0,
+ &wm8976_mic_boost_controls, 1),
+SND_SOC_DAPM_SWITCH("Capture Boost", SND_SOC_NOPM, 0, 0,
+ &wm8976_capture_boost_controls),
+
+SND_SOC_DAPM_MIXER("Boost Mixer", WM8976_POWER2, 4, 0, NULL, 0),
+
+SND_SOC_DAPM_MICBIAS("Mic Bias", WM8976_POWER1, 4, 0),
+
+SND_SOC_DAPM_INPUT("MICN"),
+SND_SOC_DAPM_INPUT("MICP"),
+SND_SOC_DAPM_INPUT("AUX"),
+SND_SOC_DAPM_OUTPUT("MONOOUT"),
+SND_SOC_DAPM_OUTPUT("SPKOUTP"),
+SND_SOC_DAPM_OUTPUT("SPKOUTN"),
+#endif
+};
+
+static const char *audio_map[][3] = {
+ /* Mono output mixer */
+ {"Mono Mixer", "PCM Playback Switch", "DAC"},
+ {"Mono Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Mono Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Speaker output mixer */
+ {"Speaker Mixer", "PCM Playback Switch", "DAC"},
+ {"Speaker Mixer", "Aux Playback Switch", "Aux Input"},
+ {"Speaker Mixer", "Line Bypass Switch", "Boost Mixer"},
+
+ /* Outputs */
+ {"Mono Out", NULL, "Mono Mixer"},
+ {"MONOOUT", NULL, "Mono Out"},
+ {"SpkN Out", NULL, "Speaker Mixer"},
+ {"SpkP Out", NULL, "Speaker Mixer"},
+ {"SPKOUTN", NULL, "SpkN Out"},
+ {"SPKOUTP", NULL, "SpkP Out"},
+
+ /* Boost Mixer */
+ {"Boost Mixer", NULL, "ADC"},
+ {"Capture Boost Switch", "Aux Capture Boost Switch", "AUX"},
+ {"Aux Boost", "Aux Volume", "Boost Mixer"},
+ {"Capture Boost", "Capture Switch", "Boost Mixer"},
+ {"Mic Boost", "Mic Volume", "Boost Mixer"},
+
+ /* Inputs */
+ {"MICP", NULL, "Mic Boost"},
+ {"MICN", NULL, "Mic PGA"},
+ {"Mic PGA", NULL, "Capture Boost"},
+ {"AUX", NULL, "Aux Input"},
+
+ /* */
+
+ /* terminator */
+ {NULL, NULL, NULL},
+};
+
+static int wm8976_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for(i = 0; i < ARRAY_SIZE(wm8976_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8976_dapm_widgets[i]);
+ }
+
+ /* set up audio path map */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0], audio_map[i][1],
+ audio_map[i][2]);
+ }
+
+ snd_soc_dapm_new_widgets(codec);
+ return 0;
+}
+
+struct pll_ {
+ unsigned int in_hz, out_hz;
+ unsigned int pre:4; /* prescale - 1 */
+ unsigned int n:4;
+ unsigned int k;
+};
+
+struct pll_ pll[] = {
+ {12000000, 11289600, 0, 7, 0x86c220},
+ {12000000, 12288000, 0, 8, 0x3126e8},
+ {13000000, 11289600, 0, 6, 0xf28bd4},
+ {13000000, 12288000, 0, 7, 0x8fd525},
+ {12288000, 11289600, 0, 7, 0x59999a},
+ {11289600, 12288000, 0, 8, 0x80dee9},
+ /* TODO: liam - add more entries */
+};
+
+static int set_pll(struct snd_soc_codec *codec, unsigned int in,
+ unsigned int out)
+{
+ int i;
+ u16 reg;
+
+ if(out == 0) {
+ reg = wm8976_read_reg_cache(codec, WM8976_POWER1);
+ wm8976_write(codec, WM8976_POWER1, reg & 0x1df);
+ return 0;
+ }
+
+ for(i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (in == pll[i].in_hz && out == pll[i].out_hz) {
+ wm8976_write(codec, WM8976_PLLN, (pll[i].pre << 4) | pll[i].n);
+ wm8976_write(codec, WM8976_PLLK1, pll[i].k >> 18);
+ wm8976_write(codec, WM8976_PLLK1, (pll[i].k >> 9) && 0x1ff);
+ wm8976_write(codec, WM8976_PLLK1, pll[i].k && 0x1ff);
+ reg = wm8976_read_reg_cache(codec, WM8976_POWER1);
+ wm8976_write(codec, WM8976_POWER1, reg | 0x020);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+/* mclk dividers * 2 */
+static unsigned char mclk_div[] = {2, 3, 4, 6, 8, 12, 16, 24};
+
+/* we need 256FS to drive the DAC's and ADC's */
+static unsigned int wm8976_config_sysclk(struct snd_soc_codec_dai *dai,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ int i, j, best_clk = info->fs * info->rate;
+
+ /* can we run at this clk without the PLL ? */
+ for (i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if ((best_clk >> 1) * mclk_div[i] == clk) {
+ dai->pll_in = 0;
+ dai->clk_div = mclk_div[i];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+
+ /* now check for PLL support */
+ for (i = 0; i < ARRAY_SIZE(pll); i++) {
+ if (pll[i].in_hz == clk) {
+ for (j = 0; j < ARRAY_SIZE(mclk_div); j++) {
+ if (pll[i].out_hz == mclk_div[j] * (best_clk >> 1)) {
+ dai->pll_in = clk;
+ dai->pll_out = pll[i].out_hz;
+ dai->clk_div = mclk_div[j];
+ dai->mclk = best_clk;
+ return dai->mclk;
+ }
+ }
+ }
+ }
+
+ /* this clk is not supported */
+ return 0;
+}
+
+static int wm8976_pcm_prepare(snd_pcm_substream_t *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec_dai *dai = rtd->codec_dai;
+ u16 iface = 0, bfs, clk = 0, adn;
+ int fs = 48000 << 7, i;
+
+ bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
+ switch (bfs) {
+ case 2:
+ clk |= 0x1 << 2;
+ break;
+ case 4:
+ clk |= 0x2 << 2;
+ break;
+ case 8:
+ clk |= 0x3 << 2;
+ break;
+ case 16:
+ clk |= 0x4 << 2;
+ break;
+ case 32:
+ clk |= 0x5 << 2;
+ break;
+ }
+
+ /* set master/slave audio interface */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ clk |= 0x0001;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ }
+
+ /* interface format */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ iface |= 0x0010;
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ iface |= 0x0008;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ iface |= 0x00018;
+ break;
+ }
+
+ /* bit size */
+ switch (rtd->codec_dai->dai_runtime.pcmfmt) {
+ case SNDRV_PCM_FMTBIT_S16_LE:
+ break;
+ case SNDRV_PCM_FMTBIT_S20_3LE:
+ iface |= 0x0020;
+ break;
+ case SNDRV_PCM_FMTBIT_S24_LE:
+ iface |= 0x0040;
+ break;
+ case SNDRV_PCM_FMTBIT_S32_LE:
+ iface |= 0x0060;
+ break;
+ }
+
+ /* clock inversion */
+ switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x0180;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ iface |= 0x0100;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x0080;
+ break;
+ }
+
+ /* filter coefficient */
+ adn = wm8976_read_reg_cache(codec, WM8976_ADD) & 0x1f1;
+ switch (rtd->codec_dai->dai_runtime.pcmrate) {
+ case SNDRV_PCM_RATE_8000:
+ adn |= 0x5 << 1;
+ fs = 8000 << 7;
+ break;
+ case SNDRV_PCM_RATE_11025:
+ adn |= 0x4 << 1;
+ fs = 11025 << 7;
+ break;
+ case SNDRV_PCM_RATE_16000:
+ adn |= 0x3 << 1;
+ fs = 16000 << 7;
+ break;
+ case SNDRV_PCM_RATE_22050:
+ adn |= 0x2 << 1;
+ fs = 22050 << 7;
+ break;
+ case SNDRV_PCM_RATE_32000:
+ adn |= 0x1 << 1;
+ fs = 32000 << 7;
+ break;
+ case SNDRV_PCM_RATE_44100:
+ fs = 44100 << 7;
+ break;
+ }
+
+ /* do we need to enable the PLL */
+ if(dai->pll_in)
+ set_pll(codec, dai->pll_in, dai->pll_out);
+
+ /* divide the clock to 256 fs */
+ for(i = 0; i < ARRAY_SIZE(mclk_div); i++) {
+ if (dai->clk_div == mclk_div[i]) {
+ clk |= i << 5;
+ clk &= 0xff;
+ goto set;
+ }
+ }
+
+set:
+ /* set iface */
+ wm8976_write(codec, WM8976_IFACE, iface);
+ wm8976_write(codec, WM8976_CLOCK, clk);
+
+ return 0;
+}
+
+static int wm8976_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ set_pll(codec, 0, 0);
+ return 0;
+}
+
+static int wm8976_mute(struct snd_soc_codec *codec,
+ struct snd_soc_codec_dai *dai, int mute)
+{
+ u16 mute_reg = wm8976_read_reg_cache(codec, WM8976_DAC) & 0xffbf;
+ if(mute)
+ wm8976_write(codec, WM8976_DAC, mute_reg | 0x40);
+ else
+ wm8976_write(codec, WM8976_DAC, mute_reg);
+
+ return 0;
+}
+
+/* TODO: liam need to make this lower power with dapm */
+static int wm8976_dapm_event(struct snd_soc_codec *codec, int event)
+{
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* vref/mid, clk and osc on, dac unmute, active */
+ wm8976_write(codec, WM8976_POWER1, 0x1ff);
+ wm8976_write(codec, WM8976_POWER2, 0x1ff);
+ wm8976_write(codec, WM8976_POWER3, 0x1ff);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* everything off except vref/vmid, dac mute, inactive */
+
+ break;
+ case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* everything off, dac mute, inactive */
+ wm8976_write(codec, WM8976_POWER1, 0x0);
+ wm8976_write(codec, WM8976_POWER2, 0x0);
+ wm8976_write(codec, WM8976_POWER3, 0x0);
+ break;
+ }
+ codec->dapm_state = event;
+ return 0;
+}
+
+struct snd_soc_codec_dai wm8976_dai = {
+ .name = "WM8976 HiFi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ },
+ .config_sysclk = wm8976_config_sysclk,
+ .digital_mute = wm8976_mute,
+ .ops = {
+ .prepare = wm8976_pcm_prepare,
+ .hw_free = wm8976_hw_free,
+ },
+ .caps = {
+ .num_modes = ARRAY_SIZE(wm8976_modes),
+ .mode = wm8976_modes,
+ },
+};
+EXPORT_SYMBOL_GPL(wm8976_dai);
+
+static int wm8976_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ wm8976_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ return 0;
+}
+
+static int wm8976_resume(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+ int i;
+ u8 data[2];
+ u16 *cache = codec->reg_cache;
+
+ /* Sync reg_cache with the hardware */
+ for (i = 0; i < ARRAY_SIZE(wm8976_reg); i++) {
+ data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
+ data[1] = cache[i] & 0x00ff;
+ codec->hw_write(codec->control_data, data, 2);
+ }
+ wm8976_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8976_dapm_event(codec, codec->suspend_dapm_state);
+ return 0;
+}
+
+/*
+ * initialise the WM8976 driver
+ * register the mixer and dsp interfaces with the kernel
+ */
+static int wm8976_init(struct snd_soc_device* socdev)
+{
+ struct snd_soc_codec *codec = socdev->codec;
+ int ret = 0;
+
+ codec->name = "WM8976";
+ codec->owner = THIS_MODULE;
+ codec->read = wm8976_read_reg_cache;
+ codec->write = wm8976_write;
+ codec->dapm_event = wm8976_dapm_event;
+ codec->dai = &wm8976_dai;
+ codec->num_dai = 1;
+ codec->reg_cache_size = ARRAY_SIZE(wm8976_reg);
+ codec->reg_cache =
+ kzalloc(sizeof(u16) * ARRAY_SIZE(wm8976_reg), GFP_KERNEL);
+ if (codec->reg_cache == NULL)
+ return -ENOMEM;
+ memcpy(codec->reg_cache, wm8976_reg,
+ sizeof(u16) * ARRAY_SIZE(wm8976_reg));
+ codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm8976_reg);
+
+ wm8976_reset(codec);
+
+ /* register pcms */
+ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ if(ret < 0) {
+ kfree(codec->reg_cache);
+ return ret;
+ }
+
+ /* power on device */
+ wm8976_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+ wm8976_add_controls(codec);
+ wm8976_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if(ret < 0) {
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+ }
+
+ return ret;
+}
+
+static struct snd_soc_device *wm8976_socdev;
+
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+
+/*
+ * WM8976 2 wire address is 0x1a
+ */
+#define I2C_DRIVERID_WM8976 0xfefe /* liam - need a proper id */
+
+static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
+
+/* Magic definition of all other variables and things */
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver wm8976_i2c_driver;
+static struct i2c_client client_template;
+
+/* If the i2c layer weren't so broken, we could pass this kind of data
+ around */
+
+static int wm8976_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+ struct snd_soc_device *socdev = wm8976_socdev;
+ struct wm8976_setup_data *setup = socdev->codec_data;
+ struct snd_soc_codec *codec = socdev->codec;
+ struct i2c_client *i2c;
+ int ret;
+
+ if (addr != setup->i2c_address)
+ return -ENODEV;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ i2c = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (i2c == NULL){
+ kfree(codec);
+ return -ENOMEM;
+ }
+ memcpy(i2c, &client_template, sizeof(struct i2c_client));
+
+ i2c_set_clientdata(i2c, codec);
+
+ codec->control_data = i2c;
+
+ ret = i2c_attach_client(i2c);
+ if(ret < 0) {
+ err("failed to attach codec at addr %x\n", addr);
+ goto err;
+ }
+
+ ret = wm8976_init(socdev);
+ if(ret < 0) {
+ err("failed to initialise WM8976\n");
+ goto err;
+ }
+ return ret;
+
+err:
+ kfree(codec);
+ kfree(i2c);
+ return ret;
+
+}
+
+static int wm8976_i2c_detach(struct i2c_client *client)
+{
+ struct snd_soc_codec *codec = i2c_get_clientdata(client);
+
+ i2c_detach_client(client);
+
+ kfree(codec->reg_cache);
+ kfree(client);
+
+ return 0;
+}
+
+static int wm8976_i2c_attach(struct i2c_adapter *adap)
+{
+ return i2c_probe(adap, &addr_data, wm8976_codec_probe);
+}
+
+/* corgi i2c codec control layer */
+static struct i2c_driver wm8976_i2c_driver = {
+ .driver = {
+ .name = "WM8976 I2C Codec",
+ .owner = THIS_MODULE,
+ },
+ .id = I2C_DRIVERID_WM8976,
+ .attach_adapter = wm8976_i2c_attach,
+ .detach_client = wm8976_i2c_detach,
+ .command = NULL,
+};
+
+static struct i2c_client client_template = {
+ .name = "WM8976",
+ .driver = &wm8976_i2c_driver,
+};
+#endif
+
+static int wm8976_probe(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct wm8976_setup_data *setup;
+ struct snd_soc_codec *codec;
+ int ret = 0;
+
+ info("WM8976 Audio Codec %s", WM8976_VERSION);
+
+ setup = socdev->codec_data;
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ socdev->codec = codec;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ wm8976_socdev = socdev;
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ if (setup->i2c_address) {
+ normal_i2c[0] = setup->i2c_address;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ ret = i2c_add_driver(&wm8976_i2c_driver);
+ if (ret != 0)
+ printk(KERN_ERR "can't add i2c driver");
+ }
+#else
+ /* Add other interfaces here */
+#endif
+ return ret;
+}
+
+/* power down chip */
+static int wm8976_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *codec = socdev->codec;
+
+ if (codec->control_data)
+ wm8976_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8976_i2c_driver);
+#endif
+ kfree(codec);
+
+ return 0;
+}
+
+struct snd_soc_codec_device soc_codec_dev_wm8976 = {
+ .probe = wm8976_probe,
+ .remove = wm8976_remove,
+ .suspend = wm8976_suspend,
+ .resume = wm8976_resume,
+};
+
+EXPORT_SYMBOL_GPL(soc_codec_dev_wm8976);
+
+MODULE_DESCRIPTION("ASoC WM8976 driver");
+MODULE_AUTHOR("Graeme Gregory");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/codecs/wm8976.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/codecs/wm8976.h
@@ -0,0 +1,73 @@
+/*
+ * wm8976.h -- WM8976 Soc Audio driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _WM8976_H
+#define _WM8976_H
+
+/* WM8976 register space */
+
+#define WM8976_RESET 0x0
+#define WM8976_POWER1 0x1
+#define WM8976_POWER2 0x2
+#define WM8976_POWER3 0x3
+#define WM8976_IFACE 0x4
+#define WM8976_COMP 0x5
+#define WM8976_CLOCK 0x6
+#define WM8976_ADD 0x7
+#define WM8976_GPIO 0x8
+#define WM8976_JACK1 0x9
+#define WM8976_DAC 0xa
+#define WM8976_DACVOLL 0xb
+#define WM8976_DACVOLR 0xc
+#define WM8976_JACK2 0xd
+#define WM8976_ADC 0xe
+#define WM8976_ADCVOL 0xf
+#define WM8976_EQ1 0x12
+#define WM8976_EQ2 0x13
+#define WM8976_EQ3 0x14
+#define WM8976_EQ4 0x15
+#define WM8976_EQ5 0x16
+#define WM8976_DACLIM1 0x18
+#define WM8976_DACLIM2 0x19
+#define WM8976_NOTCH1 0x1b
+#define WM8976_NOTCH2 0x1c
+#define WM8976_NOTCH3 0x1d
+#define WM8976_NOTCH4 0x1e
+#define WM8976_ALC1 0x20
+#define WM8976_ALC2 0x21
+#define WM8976_ALC3 0x22
+#define WM8976_NGATE 0x23
+#define WM8976_PLLN 0x24
+#define WM8976_PLLK1 0x25
+#define WM8976_PLLK2 0x26
+#define WM8976_PLLK3 0x27
+#define WM8976_3D 0x29
+#define WM8976_BEEP 0x2b
+#define WM8976_INPUT 0x2c
+#define WM8976_INPPGA 0x2d
+#define WM8976_ADCBOOST 0x2f
+#define WM8976_OUTPUT 0x31
+#define WM8976_MIXL 0x32
+#define WM8976_MIXR 0x33
+#define WM8976_HPVOLL 0x34
+#define WM8976_HPVOLR 0x35
+#define WM8976_SPKVOLL 0x36
+#define WM8976_SPKVOLR 0x37
+#define WM8976_OUT3MIX 0x38
+#define WM8976_MONOMIX 0x39
+
+#define WM8976_CACHEREGNUM 58
+
+struct wm8976_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai wm8976_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8976;
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/imx/imx21-pcm.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/imx21-pcm.c
@@ -0,0 +1,454 @@
+/*
+ * linux/sound/arm/mxc-pcm.c -- ALSA SoC interface for the Freescale i.MX CPU's
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Based on pxa2xx-pcm.c by Nicolas Pitre, (C) 2004 MontaVista Software, Inc.
+ * and on mxc-alsa-mc13783 (C) 2006 Freescale.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Revision history
+ * 29th Aug 2006 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <asm/dma.h>
+#include <asm/hardware.h>
+
+#include "imx-pcm.h"
+
+/* debug */
+#define IMX_DEBUG 0
+#if IMX_DEBUG
+#define dbg(format, arg...) printk(format, ## arg)
+#else
+#define dbg(format, arg...)
+#endif
+
+static const struct snd_pcm_hardware mxc_pcm_hardware = {
+ .info = (SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE,
+ .buffer_bytes_max = 32 * 1024,
+ .period_bytes_min = 64,
+ .period_bytes_max = 8 * 1024,
+ .periods_min = 2,
+ .periods_max = 255,
+ .fifo_size = 0,
+};
+
+struct mxc_runtime_data {
+ int dma_ch;
+ struct mxc_pcm_dma_param *dma_params;
+};
+
+/*!
+ * This function stops the current dma transfert for playback
+ * and clears the dma pointers.
+ *
+ * @param substream pointer to the structure of the current stream.
+ *
+ */
+static void audio_stop_dma(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ unsigned int dma_size = frames_to_bytes(runtime, runtime->period_size);
+ unsigned int offset dma_size * s->periods;
+ unsigned long flags;
+
+ spin_lock_irqsave(&prtd->dma_lock, flags);
+
+ dbg("MXC : audio_stop_dma active = 0\n");
+ prtd->active = 0;
+ prtd->period = 0;
+ prtd->periods = 0;
+
+ /* this stops the dma channel and clears the buffer ptrs */
+ mxc_dma_stop(prtd->dma_wchannel);
+ if(substream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_TO_DEVICE);
+ else
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_FROM_DEVICE);
+
+ spin_unlock_irqrestore(&prtd->dma_lock, flags);
+}
+
+/*!
+ * This function is called whenever a new audio block needs to be
+ * transferred to mc13783. The function receives the address and the size
+ * of the new block and start a new DMA transfer.
+ *
+ * @param substream pointer to the structure of the current stream.
+ *
+ */
+static int dma_new_period(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ unsigned int dma_size;
+ unsigned int offset;
+ int ret=0;
+ dma_request_t sdma_request;
+
+ if (prtd->active){
+ memset(&sdma_request, 0, sizeof(dma_request_t));
+ dma_size = frames_to_bytes(runtime, runtime->period_size);
+ dbg("s->period (%x) runtime->periods (%d)\n",
+ s->period,runtime->periods);
+ dbg("runtime->period_size (%d) dma_size (%d)\n",
+ (unsigned int)runtime->period_size,
+ runtime->dma_bytes);
+
+ offset = dma_size * prtd->period;
+ snd_assert(dma_size <= DMA_BUF_SIZE, );
+ if(substream == SNDRV_PCM_STREAM_PLAYBACK)
+ sdma_request.sourceAddr = (char*)(dma_map_single(NULL,
+ runtime->dma_area + offset, dma_size, DMA_TO_DEVICE));
+ else
+ sdma_request.destAddr = (char*)(dma_map_single(NULL,
+ runtime->dma_area + offset, dma_size, DMA_FROM_DEVICE));
+ sdma_request.count = dma_size;
+
+ dbg("MXC: Start DMA offset (%d) size (%d)\n", offset,
+ runtime->dma_bytes);
+
+ mxc_dma_set_config(prtd->dma_wchannel, &sdma_request, 0);
+ if((ret = mxc_dma_start(prtd->dma_wchannel)) < 0) {
+ dbg("audio_process_dma: cannot queue DMA buffer\
+ (%i)\n", ret);
+ return err;
+ }
+ prtd->tx_spin = 1; /* FGA little trick to retrieve DMA pos */
+ prtd->period++;
+ prtd->period %= runtime->periods;
+ }
+ return ret;
+}
+
+
+/*!
+ * This is a callback which will be called
+ * when a TX transfer finishes. The call occurs
+ * in interrupt context.
+ *
+ * @param dat pointer to the structure of the current stream.
+ *
+ */
+static void audio_dma_irq(void *data)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_pcm_runtime *runtime;
+ struct mxc_runtime_data *prtd;
+ unsigned int dma_size;
+ unsigned int previous_period;
+ unsigned int offset;
+
+ substream = data;
+ runtime = substream->runtime;
+ prtd = runtime->private_data;
+ previous_period = prtd->periods;
+ dma_size = frames_to_bytes(runtime, runtime->period_size);
+ offset = dma_size * previous_period;
+
+ prtd->tx_spin = 0;
+ prtd->periods++;
+ prtd->periods %= runtime->periods;
+
+ /*
+ * Give back to the CPU the access to the non cached memory
+ */
+ if(substream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_TO_DEVICE);
+ else
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_FROM_DEVICE);
+ /*
+ * If we are getting a callback for an active stream then we inform
+ * the PCM middle layer we've finished a period
+ */
+ if (prtd->active)
+ snd_pcm_period_elapsed(substream);
+
+ /*
+ * Trig next DMA transfer
+ */
+ dma_new_period(substream);
+}
+
+/*!
+ * This function configures the hardware to allow audio
+ * playback operations. It is called by ALSA framework.
+ *
+ * @param substream pointer to the structure of the current stream.
+ *
+ * @return 0 on success, -1 otherwise.
+ */
+static int
+snd_mxc_prepare(struct snd_pcm_substream *substream)
+{
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int ret = 0;
+ prtd->period = 0;
+ prtd->periods = 0;
+
+ dma_channel_params params;
+ int channel = 0; // passed in ?
+
+ if ((ret = mxc_request_dma(&channel, "ALSA TX SDMA") < 0)){
+ dbg("error requesting a write dma channel\n");
+ return ret;
+ }
+
+ /* configure DMA params */
+ memset(&params, 0, sizeof(dma_channel_params));
+ params.bd_number = 1;
+ params.arg = s;
+ params.callback = callback;
+ params.transfer_type = emi_2_per;
+ params.watermark_level = SDMA_TXFIFO_WATERMARK;
+ params.word_size = TRANSFER_16BIT;
+ //dbg(KERN_ERR "activating connection SSI1 - SDMA\n");
+ params.per_address = SSI1_BASE_ADDR;
+ params.event_id = DMA_REQ_SSI1_TX1;
+ params.peripheral_type = SSI;
+
+ /* set up chn with params */
+ mxc_dma_setup_channel(channel, &params);
+ s->dma_wchannel = channel;
+
+ return ret;
+}
+
+static int mxc_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret;
+
+ if((ret=snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
+ return ret;
+ runtime->dma_addr = virt_to_phys(runtime->dma_area);
+
+ return ret;
+}
+
+static int mxc_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_lib_free_pages(substream);
+}
+
+static int mxc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct mxc_runtime_data *prtd = substream->runtime->private_data;
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ prtd->tx_spin = 0;
+ /* requested stream startup */
+ prtd->active = 1;
+ ret = dma_new_period(substream);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ /* requested stream shutdown */
+ ret = audio_stop_dma(substream);
+ break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ prtd->active = 0;
+ prtd->periods = 0;
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ prtd->active = 1;
+ prtd->tx_spin = 0;
+ ret = dma_new_period(substream);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ prtd->active = 0;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ prtd->active = 1;
+ if (prtd->old_offset) {
+ prtd->tx_spin = 0;
+ ret = dma_new_period(substream);
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t mxc_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ unsigned int offset = 0;
+
+ /* tx_spin value is used here to check if a transfert is active */
+ if (prtd->tx_spin){
+ offset = (runtime->period_size * (prtd->periods)) +
+ (runtime->period_size >> 1);
+ if (offset >= runtime->buffer_size)
+ offset = runtime->period_size >> 1;
+ } else {
+ offset = (runtime->period_size * (s->periods));
+ if (offset >= runtime->buffer_size)
+ offset = 0;
+ }
+
+ return offset;
+}
+
+
+static int mxc_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd;
+ int ret;
+
+ snd_soc_set_runtime_hwparams(substream, &mxc_pcm_hardware);
+
+ if ((err = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
+ return err;
+ if ((err = snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &hw_playback_rates)) < 0)
+ return err;
+ msleep(10); // liam - why
+
+ /* setup DMA controller for playback */
+ if((err = configure_write_channel(&mxc_mc13783->s[SNDRV_PCM_STREAM_PLAYBACK],
+ audio_dma_irq)) < 0 )
+ return err;
+
+ if((prtd = kzalloc(sizeof(struct mxc_runtime_data), GFP_KERNEL)) == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ runtime->private_data = prtd;
+ return 0;
+
+ err1:
+ kfree(prtd);
+ out:
+ return ret;
+}
+
+static int mxc_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+
+// mxc_mc13783_t *chip;
+ audio_stream_t *s;
+ device_data_t* device;
+ int ssi;
+
+ //chip = snd_pcm_substream_chip(substream);
+ s = &chip->s[substream->pstr->stream];
+ device = &s->stream_device;
+ ssi = device->ssi;
+
+ //disable_stereodac();
+
+ ssi_transmit_enable(ssi, false);
+ ssi_interrupt_disable(ssi, ssi_tx_dma_interrupt_enable);
+ ssi_tx_fifo_enable(ssi, ssi_fifo_0, false);
+ ssi_enable(ssi, false);
+
+ chip->s[substream->pstr->stream].stream = NULL;
+
+ return 0;
+}
+
+static int
+mxc_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ return dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+}
+
+struct snd_pcm_ops mxc_pcm_ops = {
+ .open = mxc_pcm_open,
+ .close = mxc_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = mxc_pcm_hw_params,
+ .hw_free = mxc_pcm_hw_free,
+ .prepare = mxc_pcm_prepare,
+ .trigger = mxc_pcm_trigger,
+ .pointer = mxc_pcm_pointer,
+ .mmap = mxc_pcm_mmap,
+};
+
+static u64 mxc_pcm_dmamask = 0xffffffff;
+
+int mxc_pcm_new(struct snd_card *card, struct snd_soc_codec_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &mxc_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = 0xffffffff;
+
+ if (dai->playback.channels_min) {
+ ret = mxc_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = mxc_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+struct snd_soc_platform mxc_soc_platform = {
+ .name = "mxc-audio",
+ .pcm_ops = &mxc_pcm_ops,
+ .pcm_new = mxc_pcm_new,
+ .pcm_free = mxc_pcm_free_dma_buffers,
+};
+
+EXPORT_SYMBOL_GPL(mxc_soc_platform);
+
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_DESCRIPTION("Freescale i.MX PCM DMA module");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/imx/imx21-pcm.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/imx21-pcm.h
@@ -0,0 +1,237 @@
+/*
+ * mxc-pcm.h :- ASoC platform header for Freescale i.MX
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _MXC_PCM_H
+#define _MXC_PCM_H
+
+struct {
+ char *name; /* stream identifier */
+ dma_channel_params dma_params;
+} mxc_pcm_dma_param;
+
+extern struct snd_soc_cpu_dai mxc_ssi_dai[3];
+
+/* platform data */
+extern struct snd_soc_platform mxc_soc_platform;
+extern struct snd_ac97_bus_ops mxc_ac97_ops;
+
+/* temp until imx-regs.h is up2date */
+#define SSI1_STX0 __REG(IMX_SSI1_BASE + 0x00)
+#define SSI1_STX0_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x00)
+#define SSI1_STX1 __REG(IMX_SSI1_BASE + 0x04)
+#define SSI1_STX1_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x04)
+#define SSI1_SRX0 __REG(IMX_SSI1_BASE + 0x08)
+#define SSI1_SRX0_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x08)
+#define SSI1_SRX1 __REG(IMX_SSI1_BASE + 0x0c)
+#define SSI1_SRX1_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x0c)
+#define SSI1_SCR __REG(IMX_SSI1_BASE + 0x10)
+#define SSI1_SISR __REG(IMX_SSI1_BASE + 0x14)
+#define SSI1_SIER __REG(IMX_SSI1_BASE + 0x18)
+#define SSI1_STCR __REG(IMX_SSI1_BASE + 0x1c)
+#define SSI1_SRCR __REG(IMX_SSI1_BASE + 0x20)
+#define SSI1_STCCR __REG(IMX_SSI1_BASE + 0x24)
+#define SSI1_SRCCR __REG(IMX_SSI1_BASE + 0x28)
+#define SSI1_SFCSR __REG(IMX_SSI1_BASE + 0x2c)
+#define SSI1_STR __REG(IMX_SSI1_BASE + 0x30)
+#define SSI1_SOR __REG(IMX_SSI1_BASE + 0x34)
+#define SSI1_SACNT __REG(IMX_SSI1_BASE + 0x38)
+#define SSI1_SACADD __REG(IMX_SSI1_BASE + 0x3c)
+#define SSI1_SACDAT __REG(IMX_SSI1_BASE + 0x40)
+#define SSI1_SATAG __REG(IMX_SSI1_BASE + 0x44)
+#define SSI1_STMSK __REG(IMX_SSI1_BASE + 0x48)
+#define SSI1_SRMSK __REG(IMX_SSI1_BASE + 0x4c)
+
+#define SSI2_STX0 __REG(IMX_SSI2_BASE + 0x00)
+#define SSI2_STX0_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x00)
+#define SSI2_STX1 __REG(IMX_SSI2_BASE + 0x04)
+#define SSI2_STX1_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x04)
+#define SSI2_SRX0 __REG(IMX_SSI2_BASE + 0x08)
+#define SSI2_SRX0_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x08)
+#define SSI2_SRX1 __REG(IMX_SSI2_BASE + 0x0c)
+#define SSI2_SRX1_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x0c)
+#define SSI2_SCR __REG(IMX_SSI2_BASE + 0x10)
+#define SSI2_SISR __REG(IMX_SSI2_BASE + 0x14)
+#define SSI2_SIER __REG(IMX_SSI2_BASE + 0x18)
+#define SSI2_STCR __REG(IMX_SSI2_BASE + 0x1c)
+#define SSI2_SRCR __REG(IMX_SSI2_BASE + 0x20)
+#define SSI2_STCCR __REG(IMX_SSI2_BASE + 0x24)
+#define SSI2_SRCCR __REG(IMX_SSI2_BASE + 0x28)
+#define SSI2_SFCSR __REG(IMX_SSI2_BASE + 0x2c)
+#define SSI2_STR __REG(IMX_SSI2_BASE + 0x30)
+#define SSI2_SOR __REG(IMX_SSI2_BASE + 0x34)
+#define SSI2_SACNT __REG(IMX_SSI2_BASE + 0x38)
+#define SSI2_SACADD __REG(IMX_SSI2_BASE + 0x3c)
+#define SSI2_SACDAT __REG(IMX_SSI2_BASE + 0x40)
+#define SSI2_SATAG __REG(IMX_SSI2_BASE + 0x44)
+#define SSI2_STMSK __REG(IMX_SSI2_BASE + 0x48)
+#define SSI2_SRMSK __REG(IMX_SSI2_BASE + 0x4c)
+
+#define SSI_SCR_CLK_IST (1 << 9)
+#define SSI_SCR_TCH_EN (1 << 8)
+#define SSI_SCR_SYS_CLK_EN (1 << 7)
+#define SSI_SCR_I2S_MODE_NORM (0 << 5)
+#define SSI_SCR_I2S_MODE_MSTR (1 << 5)
+#define SSI_SCR_I2S_MODE_SLAVE (2 << 5)
+#define SSI_SCR_SYN (1 << 4)
+#define SSI_SCR_NET (1 << 3)
+#define SSI_SCR_RE (1 << 2)
+#define SSI_SCR_TE (1 << 1)
+#define SSI_SCR_SSIEN (1 << 0)
+
+#define SSI_SISR_CMDAU (1 << 18)
+#define SSI_SISR_CMDDU (1 << 17)
+#define SSI_SISR_RXT (1 << 16)
+#define SSI_SISR_RDR1 (1 << 15)
+#define SSI_SISR_RDR0 (1 << 14)
+#define SSI_SISR_TDE1 (1 << 13)
+#define SSI_SISR_TDE0 (1 << 12)
+#define SSI_SISR_ROE1 (1 << 11)
+#define SSI_SISR_ROE0 (1 << 10)
+#define SSI_SISR_TUE1 (1 << 9)
+#define SSI_SISR_TUE0 (1 << 8)
+#define SSI_SISR_TFS (1 << 7)
+#define SSI_SISR_RFS (1 << 6)
+#define SSI_SISR_TLS (1 << 5)
+#define SSI_SISR_RLS (1 << 4)
+#define SSI_SISR_RFF1 (1 << 3)
+#define SSI_SISR_RFF0 (1 << 2)
+#define SSI_SISR_TFE1 (1 << 1)
+#define SSI_SISR_TFE0 (1 << 0)
+
+#define SSI_SIER_RDMAE (1 << 22)
+#define SSI_SIER_RIE (1 << 21)
+#define SSI_SIER_TDMAE (1 << 20)
+#define SSI_SIER_TIE (1 << 19)
+#define SSI_SIER_CMDAU_EN (1 << 18)
+#define SSI_SIER_CMDDU_EN (1 << 17)
+#define SSI_SIER_RXT_EN (1 << 16)
+#define SSI_SIER_RDR1_EN (1 << 15)
+#define SSI_SIER_RDR0_EN (1 << 14)
+#define SSI_SIER_TDE1_EN (1 << 13)
+#define SSI_SIER_TDE0_EN (1 << 12)
+#define SSI_SIER_ROE1_EN (1 << 11)
+#define SSI_SIER_ROE0_EN (1 << 10)
+#define SSI_SIER_TUE1_EN (1 << 9)
+#define SSI_SIER_TUE0_EN (1 << 8)
+#define SSI_SIER_TFS_EN (1 << 7)
+#define SSI_SIER_RFS_EN (1 << 6)
+#define SSI_SIER_TLS_EN (1 << 5)
+#define SSI_SIER_RLS_EN (1 << 4)
+#define SSI_SIER_RFF1_EN (1 << 3)
+#define SSI_SIER_RFF0_EN (1 << 2)
+#define SSI_SIER_TFE1_EN (1 << 1)
+#define SSI_SIER_TFE0_EN (1 << 0)
+
+#define SSI_STCR_TXBIT0 (1 << 9)
+#define SSI_STCR_TFEN1 (1 << 8)
+#define SSI_STCR_TFEN0 (1 << 7)
+#define SSI_STCR_TFDIR (1 << 6)
+#define SSI_STCR_TXDIR (1 << 5)
+#define SSI_STCR_TSHFD (1 << 4)
+#define SSI_STCR_TSCKP (1 << 3)
+#define SSI_STCR_TFSI (1 << 2)
+#define SSI_STCR_TFSL (1 << 1)
+#define SSI_STCR_TEFS (1 << 0)
+
+#define SSI_SRCR_RXBIT0 (1 << 9)
+#define SSI_SRCR_RFEN1 (1 << 8)
+#define SSI_SRCR_RFEN0 (1 << 7)
+#define SSI_SRCR_RFDIR (1 << 6)
+#define SSI_SRCR_RXDIR (1 << 5)
+#define SSI_SRCR_RSHFD (1 << 4)
+#define SSI_SRCR_RSCKP (1 << 3)
+#define SSI_SRCR_RFSI (1 << 2)
+#define SSI_SRCR_RFSL (1 << 1)
+#define SSI_SRCR_REFS (1 << 0)
+
+#define SSI_STCCR_DIV2 (1 << 18)
+#define SSI_STCCR_PSR (1 << 15)
+#define SSI_STCCR_WL(x) ((((x) - 2) >> 1) << 13)
+#define SSI_STCCR_DC(x) (((x) & 0x1f) << 8)
+#define SSI_STCCR_PM(x) (((x) & 0xff) << 0)
+
+#define SSI_SRCCR_DIV2 (1 << 18)
+#define SSI_SRCCR_PSR (1 << 15)
+#define SSI_SRCCR_WL(x) ((((x) - 2) >> 1) << 13)
+#define SSI_SRCCR_DC(x) (((x) & 0x1f) << 8)
+#define SSI_SRCCR_PM(x) (((x) & 0xff) << 0)
+
+
+#define SSI_SFCSR_RFCNT1(x) (((x) & 0xf) << 28)
+#define SSI_SFCSR_TFCNT1(x) (((x) & 0xf) << 24)
+#define SSI_SFCSR_RFWM1(x) (((x) & 0xf) << 20)
+#define SSI_SFCSR_TFWM1(x) (((x) & 0xf) << 16)
+#define SSI_SFCSR_RFCNT0(x) (((x) & 0xf) << 12)
+#define SSI_SFCSR_TFCNT0(x) (((x) & 0xf) << 8)
+#define SSI_SFCSR_RFWM0(x) (((x) & 0xf) << 4)
+#define SSI_SFCSR_TFWM0(x) (((x) & 0xf) << 0)
+
+#define SSI_STR_TEST (1 << 15)
+#define SSI_STR_RCK2TCK (1 << 14)
+#define SSI_STR_RFS2TFS (1 << 13)
+#define SSI_STR_RXSTATE(x) (((x) & 0xf) << 8)
+#define SSI_STR_TXD2RXD (1 << 7)
+#define SSI_STR_TCK2RCK (1 << 6)
+#define SSI_STR_TFS2RFS (1 << 5)
+#define SSI_STR_TXSTATE(x) (((x) & 0xf) << 0)
+
+#define SSI_SOR_CLKOFF (1 << 6)
+#define SSI_SOR_RX_CLR (1 << 5)
+#define SSI_SOR_TX_CLR (1 << 4)
+#define SSI_SOR_INIT (1 << 3)
+#define SSI_SOR_WAIT(x) (((x) & 0x3) << 1)
+#define SSI_SOR_SYNRST (1 << 0)
+
+#define SSI_SACNT_FRDIV(x) (((x) & 0x3f) << 5)
+#define SSI_SACNT_WR (x << 4)
+#define SSI_SACNT_RD (x << 3)
+#define SSI_SACNT_TIF (x << 2)
+#define SSI_SACNT_FV (x << 1)
+#define SSI_SACNT_A97EN (x << 0)
+
+
+/* AUDMUX registers */
+#define AUDMUX_HPCR1 __REG(IMX_AUDMUX_BASE + 0x00)
+#define AUDMUX_HPCR2 __REG(IMX_AUDMUX_BASE + 0x04)
+#define AUDMUX_HPCR3 __REG(IMX_AUDMUX_BASE + 0x08)
+#define AUDMUX_PPCR1 __REG(IMX_AUDMUX_BASE + 0x10)
+#define AUDMUX_PPCR2 __REG(IMX_AUDMUX_BASE + 0x14)
+#define AUDMUX_PPCR3 __REG(IMX_AUDMUX_BASE + 0x18)
+
+#define AUDMUX_HPCR_TFSDIR (1 << 31)
+#define AUDMUX_HPCR_TCLKDIR (1 << 30)
+#define AUDMUX_HPCR_TFCSEL_TX (0 << 26)
+#define AUDMUX_HPCR_TFCSEL_RX (8 << 26)
+#define AUDMUX_HPCR_TFCSEL(x) (((x) & 0x7) << 26)
+#define AUDMUX_HPCR_RFSDIR (1 << 25)
+#define AUDMUX_HPCR_RCLKDIR (1 << 24)
+#define AUDMUX_HPCR_RFCSEL_TX (0 << 20)
+#define AUDMUX_HPCR_RFCSEL_RX (8 << 20)
+#define AUDMUX_HPCR_RFCSEL(x) (((x) & 0x7) << 20)
+#define AUDMUX_HPCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define AUDMUX_HPCR_SYN (1 << 12)
+#define AUDMUX_HPCR_TXRXEN (1 << 10)
+#define AUDMUX_HPCR_INMEN (1 << 8)
+#define AUDMUX_HPCR_INMMASK(x) (((x) & 0xff) << 0)
+
+#define AUDMUX_PPCR_TFSDIR (1 << 31)
+#define AUDMUX_PPCR_TCLKDIR (1 << 30)
+#define AUDMUX_PPCR_TFCSEL_TX (0 << 26)
+#define AUDMUX_PPCR_TFCSEL_RX (8 << 26)
+#define AUDMUX_PPCR_TFCSEL(x) (((x) & 0x7) << 26)
+#define AUDMUX_PPCR_RFSDIR (1 << 25)
+#define AUDMUX_PPCR_RCLKDIR (1 << 24)
+#define AUDMUX_PPCR_RFCSEL_TX (0 << 20)
+#define AUDMUX_PPCR_RFCSEL_RX (8 << 20)
+#define AUDMUX_PPCR_RFCSEL(x) (((x) & 0x7) << 20)
+#define AUDMUX_PPCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define AUDMUX_PPCR_SYN (1 << 12)
+#define AUDMUX_PPCR_TXRXEN (1 << 10)
+
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/imx/imx31-pcm.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/imx31-pcm.c
@@ -0,0 +1,454 @@
+/*
+ * linux/sound/arm/mxc-pcm.c -- ALSA SoC interface for the Freescale i.MX CPU's
+ *
+ * Copyright 2006 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * Based on pxa2xx-pcm.c by Nicolas Pitre, (C) 2004 MontaVista Software, Inc.
+ * and on mxc-alsa-mc13783 (C) 2006 Freescale.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Revision history
+ * 29th Aug 2006 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <asm/dma.h>
+#include <asm/hardware.h>
+
+#include "imx-pcm.h"
+
+/* debug */
+#define IMX_DEBUG 0
+#if IMX_DEBUG
+#define dbg(format, arg...) printk(format, ## arg)
+#else
+#define dbg(format, arg...)
+#endif
+
+static const struct snd_pcm_hardware mxc_pcm_hardware = {
+ .info = (SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE,
+ .buffer_bytes_max = 32 * 1024,
+ .period_bytes_min = 64,
+ .period_bytes_max = 8 * 1024,
+ .periods_min = 2,
+ .periods_max = 255,
+ .fifo_size = 0,
+};
+
+struct mxc_runtime_data {
+ int dma_ch;
+ struct mxc_pcm_dma_param *dma_params;
+};
+
+/*!
+ * This function stops the current dma transfert for playback
+ * and clears the dma pointers.
+ *
+ * @param substream pointer to the structure of the current stream.
+ *
+ */
+static void audio_stop_dma(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ unsigned int dma_size = frames_to_bytes(runtime, runtime->period_size);
+ unsigned int offset dma_size * s->periods;
+ unsigned long flags;
+
+ spin_lock_irqsave(&prtd->dma_lock, flags);
+
+ dbg("MXC : audio_stop_dma active = 0\n");
+ prtd->active = 0;
+ prtd->period = 0;
+ prtd->periods = 0;
+
+ /* this stops the dma channel and clears the buffer ptrs */
+ mxc_dma_stop(prtd->dma_wchannel);
+ if(substream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_TO_DEVICE);
+ else
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_FROM_DEVICE);
+
+ spin_unlock_irqrestore(&prtd->dma_lock, flags);
+}
+
+/*!
+ * This function is called whenever a new audio block needs to be
+ * transferred to mc13783. The function receives the address and the size
+ * of the new block and start a new DMA transfer.
+ *
+ * @param substream pointer to the structure of the current stream.
+ *
+ */
+static int dma_new_period(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ unsigned int dma_size;
+ unsigned int offset;
+ int ret=0;
+ dma_request_t sdma_request;
+
+ if (prtd->active){
+ memset(&sdma_request, 0, sizeof(dma_request_t));
+ dma_size = frames_to_bytes(runtime, runtime->period_size);
+ dbg("s->period (%x) runtime->periods (%d)\n",
+ s->period,runtime->periods);
+ dbg("runtime->period_size (%d) dma_size (%d)\n",
+ (unsigned int)runtime->period_size,
+ runtime->dma_bytes);
+
+ offset = dma_size * prtd->period;
+ snd_assert(dma_size <= DMA_BUF_SIZE, );
+ if(substream == SNDRV_PCM_STREAM_PLAYBACK)
+ sdma_request.sourceAddr = (char*)(dma_map_single(NULL,
+ runtime->dma_area + offset, dma_size, DMA_TO_DEVICE));
+ else
+ sdma_request.destAddr = (char*)(dma_map_single(NULL,
+ runtime->dma_area + offset, dma_size, DMA_FROM_DEVICE));
+ sdma_request.count = dma_size;
+
+ dbg("MXC: Start DMA offset (%d) size (%d)\n", offset,
+ runtime->dma_bytes);
+
+ mxc_dma_set_config(prtd->dma_wchannel, &sdma_request, 0);
+ if((ret = mxc_dma_start(prtd->dma_wchannel)) < 0) {
+ dbg("audio_process_dma: cannot queue DMA buffer\
+ (%i)\n", ret);
+ return err;
+ }
+ prtd->tx_spin = 1; /* FGA little trick to retrieve DMA pos */
+ prtd->period++;
+ prtd->period %= runtime->periods;
+ }
+ return ret;
+}
+
+
+/*!
+ * This is a callback which will be called
+ * when a TX transfer finishes. The call occurs
+ * in interrupt context.
+ *
+ * @param dat pointer to the structure of the current stream.
+ *
+ */
+static void audio_dma_irq(void *data)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_pcm_runtime *runtime;
+ struct mxc_runtime_data *prtd;
+ unsigned int dma_size;
+ unsigned int previous_period;
+ unsigned int offset;
+
+ substream = data;
+ runtime = substream->runtime;
+ prtd = runtime->private_data;
+ previous_period = prtd->periods;
+ dma_size = frames_to_bytes(runtime, runtime->period_size);
+ offset = dma_size * previous_period;
+
+ prtd->tx_spin = 0;
+ prtd->periods++;
+ prtd->periods %= runtime->periods;
+
+ /*
+ * Give back to the CPU the access to the non cached memory
+ */
+ if(substream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_TO_DEVICE);
+ else
+ dma_unmap_single(NULL, runtime->dma_addr + offset, dma_size,
+ DMA_FROM_DEVICE);
+ /*
+ * If we are getting a callback for an active stream then we inform
+ * the PCM middle layer we've finished a period
+ */
+ if (prtd->active)
+ snd_pcm_period_elapsed(substream);
+
+ /*
+ * Trig next DMA transfer
+ */
+ dma_new_period(substream);
+}
+
+/*!
+ * This function configures the hardware to allow audio
+ * playback operations. It is called by ALSA framework.
+ *
+ * @param substream pointer to the structure of the current stream.
+ *
+ * @return 0 on success, -1 otherwise.
+ */
+static int
+snd_mxc_prepare(struct snd_pcm_substream *substream)
+{
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int ret = 0;
+ prtd->period = 0;
+ prtd->periods = 0;
+
+ dma_channel_params params;
+ int channel = 0; // passed in ?
+
+ if ((ret = mxc_request_dma(&channel, "ALSA TX SDMA") < 0)){
+ dbg("error requesting a write dma channel\n");
+ return ret;
+ }
+
+ /* configure DMA params */
+ memset(&params, 0, sizeof(dma_channel_params));
+ params.bd_number = 1;
+ params.arg = s;
+ params.callback = callback;
+ params.transfer_type = emi_2_per;
+ params.watermark_level = SDMA_TXFIFO_WATERMARK;
+ params.word_size = TRANSFER_16BIT;
+ //dbg(KERN_ERR "activating connection SSI1 - SDMA\n");
+ params.per_address = SSI1_BASE_ADDR;
+ params.event_id = DMA_REQ_SSI1_TX1;
+ params.peripheral_type = SSI;
+
+ /* set up chn with params */
+ mxc_dma_setup_channel(channel, &params);
+ s->dma_wchannel = channel;
+
+ return ret;
+}
+
+static int mxc_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret;
+
+ if((ret=snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
+ return ret;
+ runtime->dma_addr = virt_to_phys(runtime->dma_area);
+
+ return ret;
+}
+
+static int mxc_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_lib_free_pages(substream);
+}
+
+static int mxc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct mxc_runtime_data *prtd = substream->runtime->private_data;
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ prtd->tx_spin = 0;
+ /* requested stream startup */
+ prtd->active = 1;
+ ret = dma_new_period(substream);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ /* requested stream shutdown */
+ ret = audio_stop_dma(substream);
+ break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ prtd->active = 0;
+ prtd->periods = 0;
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ prtd->active = 1;
+ prtd->tx_spin = 0;
+ ret = dma_new_period(substream);
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ prtd->active = 0;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ prtd->active = 1;
+ if (prtd->old_offset) {
+ prtd->tx_spin = 0;
+ ret = dma_new_period(substream);
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t mxc_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+ unsigned int offset = 0;
+
+ /* tx_spin value is used here to check if a transfert is active */
+ if (prtd->tx_spin){
+ offset = (runtime->period_size * (prtd->periods)) +
+ (runtime->period_size >> 1);
+ if (offset >= runtime->buffer_size)
+ offset = runtime->period_size >> 1;
+ } else {
+ offset = (runtime->period_size * (s->periods));
+ if (offset >= runtime->buffer_size)
+ offset = 0;
+ }
+
+ return offset;
+}
+
+
+static int mxc_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd;
+ int ret;
+
+ snd_soc_set_runtime_hwparams(substream, &mxc_pcm_hardware);
+
+ if ((err = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
+ return err;
+ if ((err = snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &hw_playback_rates)) < 0)
+ return err;
+ msleep(10); // liam - why
+
+ /* setup DMA controller for playback */
+ if((err = configure_write_channel(&mxc_mc13783->s[SNDRV_PCM_STREAM_PLAYBACK],
+ audio_dma_irq)) < 0 )
+ return err;
+
+ if((prtd = kzalloc(sizeof(struct mxc_runtime_data), GFP_KERNEL)) == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ runtime->private_data = prtd;
+ return 0;
+
+ err1:
+ kfree(prtd);
+ out:
+ return ret;
+}
+
+static int mxc_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct mxc_runtime_data *prtd = runtime->private_data;
+
+// mxc_mc13783_t *chip;
+ audio_stream_t *s;
+ device_data_t* device;
+ int ssi;
+
+ //chip = snd_pcm_substream_chip(substream);
+ s = &chip->s[substream->pstr->stream];
+ device = &s->stream_device;
+ ssi = device->ssi;
+
+ //disable_stereodac();
+
+ ssi_transmit_enable(ssi, false);
+ ssi_interrupt_disable(ssi, ssi_tx_dma_interrupt_enable);
+ ssi_tx_fifo_enable(ssi, ssi_fifo_0, false);
+ ssi_enable(ssi, false);
+
+ chip->s[substream->pstr->stream].stream = NULL;
+
+ return 0;
+}
+
+static int
+mxc_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ return dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+}
+
+struct snd_pcm_ops mxc_pcm_ops = {
+ .open = mxc_pcm_open,
+ .close = mxc_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = mxc_pcm_hw_params,
+ .hw_free = mxc_pcm_hw_free,
+ .prepare = mxc_pcm_prepare,
+ .trigger = mxc_pcm_trigger,
+ .pointer = mxc_pcm_pointer,
+ .mmap = mxc_pcm_mmap,
+};
+
+static u64 mxc_pcm_dmamask = 0xffffffff;
+
+int mxc_pcm_new(struct snd_card *card, struct snd_soc_codec_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &mxc_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = 0xffffffff;
+
+ if (dai->playback.channels_min) {
+ ret = mxc_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = mxc_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+struct snd_soc_platform mxc_soc_platform = {
+ .name = "mxc-audio",
+ .pcm_ops = &mxc_pcm_ops,
+ .pcm_new = mxc_pcm_new,
+ .pcm_free = mxc_pcm_free_dma_buffers,
+};
+
+EXPORT_SYMBOL_GPL(mxc_soc_platform);
+
+MODULE_AUTHOR("Liam Girdwood");
+MODULE_DESCRIPTION("Freescale i.MX PCM DMA module");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/imx/imx31-pcm.h
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/imx/imx31-pcm.h
@@ -0,0 +1,237 @@
+/*
+ * mxc-pcm.h :- ASoC platform header for Freescale i.MX
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _MXC_PCM_H
+#define _MXC_PCM_H
+
+struct {
+ char *name; /* stream identifier */
+ dma_channel_params dma_params;
+} mxc_pcm_dma_param;
+
+extern struct snd_soc_cpu_dai mxc_ssi_dai[3];
+
+/* platform data */
+extern struct snd_soc_platform mxc_soc_platform;
+extern struct snd_ac97_bus_ops mxc_ac97_ops;
+
+/* temp until imx-regs.h is up2date */
+#define SSI1_STX0 __REG(IMX_SSI1_BASE + 0x00)
+#define SSI1_STX0_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x00)
+#define SSI1_STX1 __REG(IMX_SSI1_BASE + 0x04)
+#define SSI1_STX1_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x04)
+#define SSI1_SRX0 __REG(IMX_SSI1_BASE + 0x08)
+#define SSI1_SRX0_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x08)
+#define SSI1_SRX1 __REG(IMX_SSI1_BASE + 0x0c)
+#define SSI1_SRX1_PHYS __PHYS_REG(IMX_SSI1_BASE + 0x0c)
+#define SSI1_SCR __REG(IMX_SSI1_BASE + 0x10)
+#define SSI1_SISR __REG(IMX_SSI1_BASE + 0x14)
+#define SSI1_SIER __REG(IMX_SSI1_BASE + 0x18)
+#define SSI1_STCR __REG(IMX_SSI1_BASE + 0x1c)
+#define SSI1_SRCR __REG(IMX_SSI1_BASE + 0x20)
+#define SSI1_STCCR __REG(IMX_SSI1_BASE + 0x24)
+#define SSI1_SRCCR __REG(IMX_SSI1_BASE + 0x28)
+#define SSI1_SFCSR __REG(IMX_SSI1_BASE + 0x2c)
+#define SSI1_STR __REG(IMX_SSI1_BASE + 0x30)
+#define SSI1_SOR __REG(IMX_SSI1_BASE + 0x34)
+#define SSI1_SACNT __REG(IMX_SSI1_BASE + 0x38)
+#define SSI1_SACADD __REG(IMX_SSI1_BASE + 0x3c)
+#define SSI1_SACDAT __REG(IMX_SSI1_BASE + 0x40)
+#define SSI1_SATAG __REG(IMX_SSI1_BASE + 0x44)
+#define SSI1_STMSK __REG(IMX_SSI1_BASE + 0x48)
+#define SSI1_SRMSK __REG(IMX_SSI1_BASE + 0x4c)
+
+#define SSI2_STX0 __REG(IMX_SSI2_BASE + 0x00)
+#define SSI2_STX0_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x00)
+#define SSI2_STX1 __REG(IMX_SSI2_BASE + 0x04)
+#define SSI2_STX1_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x04)
+#define SSI2_SRX0 __REG(IMX_SSI2_BASE + 0x08)
+#define SSI2_SRX0_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x08)
+#define SSI2_SRX1 __REG(IMX_SSI2_BASE + 0x0c)
+#define SSI2_SRX1_PHYS __PHYS_REG(IMX_SSI2_BASE + 0x0c)
+#define SSI2_SCR __REG(IMX_SSI2_BASE + 0x10)
+#define SSI2_SISR __REG(IMX_SSI2_BASE + 0x14)
+#define SSI2_SIER __REG(IMX_SSI2_BASE + 0x18)
+#define SSI2_STCR __REG(IMX_SSI2_BASE + 0x1c)
+#define SSI2_SRCR __REG(IMX_SSI2_BASE + 0x20)
+#define SSI2_STCCR __REG(IMX_SSI2_BASE + 0x24)
+#define SSI2_SRCCR __REG(IMX_SSI2_BASE + 0x28)
+#define SSI2_SFCSR __REG(IMX_SSI2_BASE + 0x2c)
+#define SSI2_STR __REG(IMX_SSI2_BASE + 0x30)
+#define SSI2_SOR __REG(IMX_SSI2_BASE + 0x34)
+#define SSI2_SACNT __REG(IMX_SSI2_BASE + 0x38)
+#define SSI2_SACADD __REG(IMX_SSI2_BASE + 0x3c)
+#define SSI2_SACDAT __REG(IMX_SSI2_BASE + 0x40)
+#define SSI2_SATAG __REG(IMX_SSI2_BASE + 0x44)
+#define SSI2_STMSK __REG(IMX_SSI2_BASE + 0x48)
+#define SSI2_SRMSK __REG(IMX_SSI2_BASE + 0x4c)
+
+#define SSI_SCR_CLK_IST (1 << 9)
+#define SSI_SCR_TCH_EN (1 << 8)
+#define SSI_SCR_SYS_CLK_EN (1 << 7)
+#define SSI_SCR_I2S_MODE_NORM (0 << 5)
+#define SSI_SCR_I2S_MODE_MSTR (1 << 5)
+#define SSI_SCR_I2S_MODE_SLAVE (2 << 5)
+#define SSI_SCR_SYN (1 << 4)
+#define SSI_SCR_NET (1 << 3)
+#define SSI_SCR_RE (1 << 2)
+#define SSI_SCR_TE (1 << 1)
+#define SSI_SCR_SSIEN (1 << 0)
+
+#define SSI_SISR_CMDAU (1 << 18)
+#define SSI_SISR_CMDDU (1 << 17)
+#define SSI_SISR_RXT (1 << 16)
+#define SSI_SISR_RDR1 (1 << 15)
+#define SSI_SISR_RDR0 (1 << 14)
+#define SSI_SISR_TDE1 (1 << 13)
+#define SSI_SISR_TDE0 (1 << 12)
+#define SSI_SISR_ROE1 (1 << 11)
+#define SSI_SISR_ROE0 (1 << 10)
+#define SSI_SISR_TUE1 (1 << 9)
+#define SSI_SISR_TUE0 (1 << 8)
+#define SSI_SISR_TFS (1 << 7)
+#define SSI_SISR_RFS (1 << 6)
+#define SSI_SISR_TLS (1 << 5)
+#define SSI_SISR_RLS (1 << 4)
+#define SSI_SISR_RFF1 (1 << 3)
+#define SSI_SISR_RFF0 (1 << 2)
+#define SSI_SISR_TFE1 (1 << 1)
+#define SSI_SISR_TFE0 (1 << 0)
+
+#define SSI_SIER_RDMAE (1 << 22)
+#define SSI_SIER_RIE (1 << 21)
+#define SSI_SIER_TDMAE (1 << 20)
+#define SSI_SIER_TIE (1 << 19)
+#define SSI_SIER_CMDAU_EN (1 << 18)
+#define SSI_SIER_CMDDU_EN (1 << 17)
+#define SSI_SIER_RXT_EN (1 << 16)
+#define SSI_SIER_RDR1_EN (1 << 15)
+#define SSI_SIER_RDR0_EN (1 << 14)
+#define SSI_SIER_TDE1_EN (1 << 13)
+#define SSI_SIER_TDE0_EN (1 << 12)
+#define SSI_SIER_ROE1_EN (1 << 11)
+#define SSI_SIER_ROE0_EN (1 << 10)
+#define SSI_SIER_TUE1_EN (1 << 9)
+#define SSI_SIER_TUE0_EN (1 << 8)
+#define SSI_SIER_TFS_EN (1 << 7)
+#define SSI_SIER_RFS_EN (1 << 6)
+#define SSI_SIER_TLS_EN (1 << 5)
+#define SSI_SIER_RLS_EN (1 << 4)
+#define SSI_SIER_RFF1_EN (1 << 3)
+#define SSI_SIER_RFF0_EN (1 << 2)
+#define SSI_SIER_TFE1_EN (1 << 1)
+#define SSI_SIER_TFE0_EN (1 << 0)
+
+#define SSI_STCR_TXBIT0 (1 << 9)
+#define SSI_STCR_TFEN1 (1 << 8)
+#define SSI_STCR_TFEN0 (1 << 7)
+#define SSI_STCR_TFDIR (1 << 6)
+#define SSI_STCR_TXDIR (1 << 5)
+#define SSI_STCR_TSHFD (1 << 4)
+#define SSI_STCR_TSCKP (1 << 3)
+#define SSI_STCR_TFSI (1 << 2)
+#define SSI_STCR_TFSL (1 << 1)
+#define SSI_STCR_TEFS (1 << 0)
+
+#define SSI_SRCR_RXBIT0 (1 << 9)
+#define SSI_SRCR_RFEN1 (1 << 8)
+#define SSI_SRCR_RFEN0 (1 << 7)
+#define SSI_SRCR_RFDIR (1 << 6)
+#define SSI_SRCR_RXDIR (1 << 5)
+#define SSI_SRCR_RSHFD (1 << 4)
+#define SSI_SRCR_RSCKP (1 << 3)
+#define SSI_SRCR_RFSI (1 << 2)
+#define SSI_SRCR_RFSL (1 << 1)
+#define SSI_SRCR_REFS (1 << 0)
+
+#define SSI_STCCR_DIV2 (1 << 18)
+#define SSI_STCCR_PSR (1 << 15)
+#define SSI_STCCR_WL(x) ((((x) - 2) >> 1) << 13)
+#define SSI_STCCR_DC(x) (((x) & 0x1f) << 8)
+#define SSI_STCCR_PM(x) (((x) & 0xff) << 0)
+
+#define SSI_SRCCR_DIV2 (1 << 18)
+#define SSI_SRCCR_PSR (1 << 15)
+#define SSI_SRCCR_WL(x) ((((x) - 2) >> 1) << 13)
+#define SSI_SRCCR_DC(x) (((x) & 0x1f) << 8)
+#define SSI_SRCCR_PM(x) (((x) & 0xff) << 0)
+
+
+#define SSI_SFCSR_RFCNT1(x) (((x) & 0xf) << 28)
+#define SSI_SFCSR_TFCNT1(x) (((x) & 0xf) << 24)
+#define SSI_SFCSR_RFWM1(x) (((x) & 0xf) << 20)
+#define SSI_SFCSR_TFWM1(x) (((x) & 0xf) << 16)
+#define SSI_SFCSR_RFCNT0(x) (((x) & 0xf) << 12)
+#define SSI_SFCSR_TFCNT0(x) (((x) & 0xf) << 8)
+#define SSI_SFCSR_RFWM0(x) (((x) & 0xf) << 4)
+#define SSI_SFCSR_TFWM0(x) (((x) & 0xf) << 0)
+
+#define SSI_STR_TEST (1 << 15)
+#define SSI_STR_RCK2TCK (1 << 14)
+#define SSI_STR_RFS2TFS (1 << 13)
+#define SSI_STR_RXSTATE(x) (((x) & 0xf) << 8)
+#define SSI_STR_TXD2RXD (1 << 7)
+#define SSI_STR_TCK2RCK (1 << 6)
+#define SSI_STR_TFS2RFS (1 << 5)
+#define SSI_STR_TXSTATE(x) (((x) & 0xf) << 0)
+
+#define SSI_SOR_CLKOFF (1 << 6)
+#define SSI_SOR_RX_CLR (1 << 5)
+#define SSI_SOR_TX_CLR (1 << 4)
+#define SSI_SOR_INIT (1 << 3)
+#define SSI_SOR_WAIT(x) (((x) & 0x3) << 1)
+#define SSI_SOR_SYNRST (1 << 0)
+
+#define SSI_SACNT_FRDIV(x) (((x) & 0x3f) << 5)
+#define SSI_SACNT_WR (x << 4)
+#define SSI_SACNT_RD (x << 3)
+#define SSI_SACNT_TIF (x << 2)
+#define SSI_SACNT_FV (x << 1)
+#define SSI_SACNT_A97EN (x << 0)
+
+
+/* AUDMUX registers */
+#define AUDMUX_HPCR1 __REG(IMX_AUDMUX_BASE + 0x00)
+#define AUDMUX_HPCR2 __REG(IMX_AUDMUX_BASE + 0x04)
+#define AUDMUX_HPCR3 __REG(IMX_AUDMUX_BASE + 0x08)
+#define AUDMUX_PPCR1 __REG(IMX_AUDMUX_BASE + 0x10)
+#define AUDMUX_PPCR2 __REG(IMX_AUDMUX_BASE + 0x14)
+#define AUDMUX_PPCR3 __REG(IMX_AUDMUX_BASE + 0x18)
+
+#define AUDMUX_HPCR_TFSDIR (1 << 31)
+#define AUDMUX_HPCR_TCLKDIR (1 << 30)
+#define AUDMUX_HPCR_TFCSEL_TX (0 << 26)
+#define AUDMUX_HPCR_TFCSEL_RX (8 << 26)
+#define AUDMUX_HPCR_TFCSEL(x) (((x) & 0x7) << 26)
+#define AUDMUX_HPCR_RFSDIR (1 << 25)
+#define AUDMUX_HPCR_RCLKDIR (1 << 24)
+#define AUDMUX_HPCR_RFCSEL_TX (0 << 20)
+#define AUDMUX_HPCR_RFCSEL_RX (8 << 20)
+#define AUDMUX_HPCR_RFCSEL(x) (((x) & 0x7) << 20)
+#define AUDMUX_HPCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define AUDMUX_HPCR_SYN (1 << 12)
+#define AUDMUX_HPCR_TXRXEN (1 << 10)
+#define AUDMUX_HPCR_INMEN (1 << 8)
+#define AUDMUX_HPCR_INMMASK(x) (((x) & 0xff) << 0)
+
+#define AUDMUX_PPCR_TFSDIR (1 << 31)
+#define AUDMUX_PPCR_TCLKDIR (1 << 30)
+#define AUDMUX_PPCR_TFCSEL_TX (0 << 26)
+#define AUDMUX_PPCR_TFCSEL_RX (8 << 26)
+#define AUDMUX_PPCR_TFCSEL(x) (((x) & 0x7) << 26)
+#define AUDMUX_PPCR_RFSDIR (1 << 25)
+#define AUDMUX_PPCR_RCLKDIR (1 << 24)
+#define AUDMUX_PPCR_RFCSEL_TX (0 << 20)
+#define AUDMUX_PPCR_RFCSEL_RX (8 << 20)
+#define AUDMUX_PPCR_RFCSEL(x) (((x) & 0x7) << 20)
+#define AUDMUX_PPCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define AUDMUX_PPCR_SYN (1 << 12)
+#define AUDMUX_PPCR_TXRXEN (1 << 10)
+
+
+#endif
Index: linux-2.6-pxa-new/sound/soc/s3c24xx/s3c24xx-i2s.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/s3c24xx/s3c24xx-i2s.c
@@ -0,0 +1,271 @@
+/*
+ * s3c24xx-i2s.c -- ALSA Soc Audio Layer
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Graeme Gregory
+ * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 10th Nov 2006 Initial version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/regs-iis.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-clock.h>
+#include <asm/arch/audio.h>
+#include <asm/dma.h>
+#include <asm/arch/dma.h>
+
+#include "s3c24xx-pcm.h"
+
+/* used to disable sysclk if external crystal is used */
+static int extclk = 0;
+module_param(extclk, int, 0);
+MODULE_PARM_DESC(extclk, "set to 1 to disable s3c24XX i2s sysclk");
+
+#define S3C24XX_I2S_DAIFMT \
+ (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF)
+
+#define S3C24XX_I2S_DIR \
+ (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define S3C24XX_I2S_RATES \
+ (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+ SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
+
+/* priv is divider */
+static struct snd_soc_dai_mode s3c24xx_i2s_modes[] =
+{
+ /* s3c24xx I2S frame and clock master modes */
+ {
+ .fmt = S3C24XX_I2S_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
+ .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE,
+ .pcmrate = SNDRV_PCM_RATE_44100,
+ .pcmdir = S3C24XX_I2S_DIR,
+ .flags = SND_SOC_DAI_BFS_RATE,
+ .fs = 384,
+ .bfs = 32,
+ .priv = 0x00
+ },
+};
+
+static struct s3c2410_dma_client s3c24xx_dma_client_out = {
+ .name = "I2S PCM Stereo out"
+};
+
+static struct s3c2410_dma_client s3c24xx_dma_client_in = {
+ .name = "I2S PCM Stereo in"
+};
+
+static s3c24xx_pcm_dma_params_t s3c24xx_i2s_pcm_stereo_out = {
+ .client = &s3c24xx_dma_client_out,
+ .channel = DMACH_I2S_OUT,
+ .dma_addr = S3C2410_PA_IIS+S3C2410_IISFIFO
+};
+
+static s3c24xx_pcm_dma_params_t s3c24xx_i2s_pcm_stereo_in = {
+ .client = &s3c24xx_dma_client_in,
+ .channel = DMACH_I2S_IN,
+ .dma_addr = S3C2410_PA_IIS+S3C2410_IISFIFO
+};
+
+
+struct s3c24xx_i2s_port {
+ int master;
+};
+static struct s3c24xx_i2s_port s3c24xx_i2s;
+
+/* Empty for the s3c24xx platforms */
+static int s3c24xx_i2s_startup(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ unsigned long iiscon;
+ unsigned long iismod;
+ unsigned long iisfcon;
+
+ s3c24xx_i2s.master = 0;
+ if(rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CBS_CFS)
+ s3c24xx_i2s.master = 1;
+
+ /* Configure the I2S pins in correct mode */
+ s3c2410_gpio_cfgpin(S3C2410_GPE0,S3C2410_GPE0_I2SLRCK);
+ if (s3c24xx_i2s.master && !extclk){
+ printk("Setting Clock Output as we are Master\n");
+ s3c2410_gpio_cfgpin(S3C2410_GPE1,S3C2410_GPE1_I2SSCLK);
+ }
+ s3c2410_gpio_cfgpin(S3C2410_GPE2,S3C2410_GPE2_CDCLK);
+ s3c2410_gpio_cfgpin(S3C2410_GPE3,S3C2410_GPE3_I2SSDI);
+ s3c2410_gpio_cfgpin(S3C2410_GPE4,S3C2410_GPE4_I2SSDO);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ {
+ rtd->cpu_dai->dma_data = &s3c24xx_i2s_pcm_stereo_out;
+ }
+ else
+ {
+ rtd->cpu_dai->dma_data = &s3c24xx_i2s_pcm_stereo_in;
+ }
+
+ /* Working copies of registers */
+ iiscon=readl(S3C24XX_VA_IIS+S3C2410_IISCON);
+ iismod=readl(S3C24XX_VA_IIS+S3C2410_IISMOD);
+ iisfcon=readl(S3C24XX_VA_IIS+S3C2410_IISFCON);
+ /* is port used by another stream */
+ if (!(iiscon & S3C2410_IISCON_IISEN)) {
+
+ /* Clear the registers */
+
+ iismod |= S3C2410_IISMOD_32FS | S3C2410_IISMOD_384FS;
+
+ if (!s3c24xx_i2s.master)
+ iismod |= S3C2410_IISMOD_SLAVE;
+
+ if (rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_LEFT_J)
+ iismod |= S3C2410_IISMOD_MSB;
+ }
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ {
+ iismod |= S3C2410_IISMOD_TXMODE;
+ iiscon |= S3C2410_IISCON_TXDMAEN;
+ iisfcon |= S3C2410_IISFCON_TXDMA | S3C2410_IISFCON_TXENABLE;
+ }
+ else
+ {
+ iismod |= S3C2410_IISMOD_RXMODE;
+ iiscon |= S3C2410_IISCON_RXDMAEN;
+ iisfcon |= S3C2410_IISFCON_RXDMA | S3C2410_IISFCON_RXENABLE;
+ }
+
+ writel(iiscon, S3C24XX_VA_IIS+S3C2410_IISCON);
+ writel(iismod, S3C24XX_VA_IIS+S3C2410_IISMOD);
+ writel(iisfcon, S3C24XX_VA_IIS+S3C2410_IISFCON);
+
+ printk("IISCON: %lx IISMOD: %lx", iiscon, iismod);
+
+ return 0;
+}
+
+static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ int ret = 0;
+ unsigned long iiscon;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ /* Enable the IIS unit */
+ iiscon = readl(S3C24XX_VA_IIS+S3C2410_IISCON);
+ iiscon |= S3C2410_IISCON_IISEN;
+ writel(iiscon, S3C24XX_VA_IIS+S3C2410_IISCON);
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static void s3c24xx_i2s_shutdown(struct snd_pcm_substream *substream)
+{
+ unsigned long iismod, iiscon;
+
+ iismod=readl(S3C24XX_VA_IIS+S3C2410_IISMOD);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ iismod &= ~S3C2410_IISMOD_TXMODE;
+ } else {
+ iismod &= ~S3C2410_IISMOD_RXMODE;
+ }
+
+ writel(iismod,S3C24XX_VA_IIS+S3C2410_IISMOD);
+
+ iiscon=readl(S3C24XX_VA_IIS+S3C2410_IISCON);
+
+ if (iismod & ( S3C2410_IISMOD_TXMODE | S3C2410_IISMOD_RXMODE )) {
+ iiscon &= ! S3C2410_IISCON_IISEN;
+ writel(iiscon,S3C24XX_VA_IIS+S3C2410_IISCON);
+ }
+}
+
+#ifdef CONFIG_PM
+static int s3c24xx_i2s_suspend(struct platform_device *dev,
+ struct snd_soc_cpu_dai *dai)
+{
+}
+
+static int s3c24xx_i2s_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+}
+
+#else
+#define s3c24xx_i2s_suspend NULL
+#define s3c24xx_i2s_resume NULL
+#endif
+
+/* s3c24xx I2S sysclock is always 384 FS */
+static unsigned int s3c24xx_i2s_config_sysclk(struct snd_soc_cpu_dai *iface,
+ struct snd_soc_clock_info *info, unsigned int clk)
+{
+ return info->rate * 384;
+}
+
+struct snd_soc_cpu_dai s3c24xx_i2s_dai = {
+ .name = "s3c24xx-i2s",
+ .id = 0,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = s3c24xx_i2s_suspend,
+ .resume = s3c24xx_i2s_resume,
+ .config_sysclk = s3c24xx_i2s_config_sysclk,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,},
+ .ops = {
+ .startup = s3c24xx_i2s_startup,
+ .shutdown = s3c24xx_i2s_shutdown,
+ .trigger = s3c24xx_i2s_trigger,
+ .hw_params = s3c24xx_i2s_hw_params,},
+ .caps = {
+ .num_modes = ARRAY_SIZE(s3c24xx_i2s_modes),
+ .mode = s3c24xx_i2s_modes,},
+};
+
+EXPORT_SYMBOL_GPL(s3c24xx_i2s_dai);
+
+/* Module information */
+MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("s3c24xx I2S SoC Interface");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/s3c24xx/s3c24xx-pcm.c
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/s3c24xx/s3c24xx-pcm.c
@@ -0,0 +1,362 @@
+/*
+ * s3c24xx-pcm.c -- ALSA Soc Audio Layer
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Graeme Gregory
+ * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Revision history
+ * 10th Nov 2006 Initial version.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/dma.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/arch/dma.h>
+#include <asm/arch/audio.h>
+
+#include "s3c24xx-pcm.h"
+
+static const struct snd_pcm_hardware s3c24xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .period_bytes_min = 32,
+ .period_bytes_max = 8192,
+ .periods_min = 1,
+ .periods_max = 8192,
+ .buffer_bytes_max = 256 * 1024,
+ .fifo_size = 32,
+};
+
+struct s3c24xx_runtime_data {
+ dma_addr_t dma_buffer;
+ dma_addr_t dma_buffer_end;
+ size_t period_size;
+ dma_addr_t period_ptr;
+ s3c24xx_pcm_dma_params_t *params;
+};
+
+/* Move the pointer onto the next period, dealing with wrap around.
+ */
+void static next_period(struct s3c24xx_runtime_data *prtd)
+{
+ prtd->period_ptr+=prtd->period_size;
+ if(prtd->period_ptr>=prtd->dma_buffer_end)
+ {
+ prtd->period_ptr=prtd->dma_buffer;
+ }
+}
+
+void s3c24xx_audio_buffdone(struct s3c2410_dma_chan *channel,
+ void *dev_id, int size,
+ enum s3c2410_dma_buffresult result)
+{
+ struct snd_pcm_substream *substream = dev_id;
+ struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
+
+ if(result==S3C2410_RES_OK)
+ {
+ next_period(prtd);
+ s3c2410_dma_enqueue(prtd->params->channel, substream, prtd->period_ptr, prtd->period_size);
+ }
+ snd_pcm_period_elapsed(substream);
+
+}
+
+static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct s3c24xx_runtime_data *prtd = runtime->private_data;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ s3c24xx_pcm_dma_params_t *dma = rtd->cpu_dai->dma_data;
+ int ret;
+
+ printk("Entered s3c24xx hw_params\n");
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+ runtime->dma_bytes = params_buffer_bytes(params);
+
+ prtd->params=dma;
+ if(ret=s3c2410_dma_request(prtd->params->channel,
+ prtd->params->client,NULL))
+ {
+ printk("Failed to get dma channel %d for %s\n",prtd->params->channel,
+ prtd->params->client->name);
+ return ret;
+ }
+
+ //s3c2410_dma_setflags(prtd->params->channel,S3C2410_DMAF_AUTOSTART);
+ if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ {
+ s3c2410_dma_devconfig(prtd->params->channel, S3C2410_DMASRC_MEM,
+ S3C2410_DISRCC_INC | S3C2410_DISRCC_APB,
+ prtd->params->dma_addr);
+ }
+ else
+ {
+ s3c2410_dma_devconfig(prtd->params->channel, S3C2410_DMASRC_HW,
+ S3C2410_DISRCC_INC | S3C2410_DISRCC_APB,
+ prtd->params->dma_addr);
+ }
+
+ s3c2410_dma_config(prtd->params->channel,2,S3C2410_DCON_HANDSHAKE);
+
+ s3c2410_dma_set_buffdone_fn(prtd->params->channel, s3c24xx_audio_buffdone);
+
+ prtd->dma_buffer = runtime->dma_addr;
+ prtd->dma_buffer_end = runtime->dma_addr + runtime->dma_bytes;
+ prtd->period_size = params_period_bytes(params);
+
+ return 0;
+}
+
+static int s3c24xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
+
+ printk("Entered s3c24xx hw_free\n");
+
+ return 0;
+}
+
+static int s3c24xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
+
+ printk("Entered s3c24xx prepare\n");
+
+ /* Set the period that is to be queued in DMA */
+ prtd->period_ptr = prtd->dma_buffer;
+
+ /* queue the first period */
+ s3c2410_dma_enqueue(prtd->params->channel, substream, prtd->period_ptr, prtd->period_size);
+
+ /* Move to next period to be queued */
+ next_period(prtd);
+
+ /* queue the second buffer */
+ s3c2410_dma_enqueue(prtd->params->channel, substream, prtd->period_ptr, prtd->period_size);
+
+
+ return 0;
+}
+
+static int s3c24xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
+ int ret = 0;
+
+ printk("Entered s3c24xx trigger\n");
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_START);
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_STOP);
+ break;
+
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t s3c24xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct s3c24xx_runtime_data *prtd = runtime->private_data;
+ dma_addr_t dst,src;
+ snd_pcm_uframes_t x;
+
+ printk("Entered s3c24xx pointer\n");
+
+ s3c2410_dma_getposition(prtd->params->channel, &src, &dst);
+
+ printk("DMA Position: %lx, %lx\n", src, dst);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ {
+ x = bytes_to_frames(runtime, src - prtd->dma_buffer);
+ }
+ else
+ {
+ x = bytes_to_frames(runtime, dst - prtd->dma_buffer);
+ }
+
+ if (x == runtime->buffer_size)
+ x=0;
+ return x;
+
+}
+
+static int s3c24xx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct s3c24xx_runtime_data *prtd;
+ int ret;
+
+ printk("Entered s3c24xx open\n");
+
+ snd_soc_set_runtime_hwparams(substream, &s3c24xx_pcm_hardware);
+
+ if((prtd = kzalloc(sizeof(struct s3c24xx_runtime_data), GFP_KERNEL)) == NULL)
+ {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ runtime->private_data = prtd;
+ return 0;
+
+out:
+ return ret;
+}
+
+static int s3c24xx_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct s3c24xx_runtime_data *prtd = runtime->private_data;
+
+ printk("Entered s3c24xx close\n");
+
+ s3c2410_dma_free(prtd->params->channel, prtd->params->client);
+
+ return 0;
+}
+
+static int
+s3c24xx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ printk("Entered s3c24xx mmap\n");
+
+ return dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+}
+
+struct snd_pcm_ops s3c24xx_pcm_ops = {
+ .open = s3c24xx_pcm_open,
+ .close = s3c24xx_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = s3c24xx_pcm_hw_params,
+ .hw_free = s3c24xx_pcm_hw_free,
+ .prepare = s3c24xx_pcm_prepare,
+ .trigger = s3c24xx_pcm_trigger,
+ .pointer = s3c24xx_pcm_pointer,
+ .mmap = s3c24xx_pcm_mmap,
+};
+
+static int s3c24xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = s3c24xx_pcm_hardware.buffer_bytes_max;
+
+ printk("Entered s3c24xx preaccolate_dma_buffer\n");
+
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->area = dma_alloc_writecombine(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area)
+ return -ENOMEM;
+ buf->bytes = size;
+ return 0;
+}
+
+static void s3c24xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+
+ printk("Entered s3c24xx free_dma_buffers\n");
+
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+
+ dma_free_writecombine(pcm->card->dev, buf->bytes,
+ buf->area, buf->addr);
+ buf->area = NULL;
+ }
+}
+
+static u64 s3c24xx_pcm_dmamask = 0xffffffff;
+
+int s3c24xx_pcm_new(struct snd_card *card, struct snd_soc_codec_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ printk("Entered s3c24xx new\n");
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &s3c24xx_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = 0xffffffff;
+
+ if (dai->playback.channels_min) {
+ ret = s3c24xx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = s3c24xx_pcm_preallocate_dma_buffer(pcm, SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+struct snd_soc_platform s3c24xx_soc_platform = {
+ .name = "s3c24xx-audio",
+ .pcm_ops = &s3c24xx_pcm_ops,
+ .pcm_new = s3c24xx_pcm_new,
+ .pcm_free = s3c24xx_pcm_free_dma_buffers,
+};
+
+EXPORT_SYMBOL_GPL(s3c24xx_soc_platform);
+
+MODULE_AUTHOR("Graeme Gregory");
+MODULE_DESCRIPTION("Samsung S3C24XX PCM DMA module");
+MODULE_LICENSE("GPL");
Index: linux-2.6-pxa-new/sound/soc/s3c24xx/Kconfig
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/s3c24xx/Kconfig
@@ -0,0 +1,26 @@
+menu "SoC Audio for the Atmel AT91"
+
+config SND_S3C24XX_SOC
+ tristate "SoC Audio for the Samsung S3C24xx System-on-Chip"
+ depends on ARCH_S3C2410 && SND
+ select SND_PCM
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the Samsung S3C24xx.
+
+config SND_S3C24XX_SOC_I2S
+ tristate
+
+config SND_S3C24XX_SOC_AC97
+ tristate
+
+# graeme - add mach dep
+config SND_S3C24XX_SOC_SMDK2440
+ tristate "SoC I2S Audio support for SMDK2440"
+ depends on SND_S3C24XX_SOC
+ select SND_S3C24XX_SOC_I2S
+ select SND_SOC_UDA1380
+ help
+ Say Y if you want to add support for SoC audio on
+
+endmenu
Index: linux-2.6-pxa-new/sound/soc/s3c24xx/Makefile
===================================================================
--- /dev/null
+++ linux-2.6-pxa-new/sound/soc/s3c24xx/Makefile
@@ -0,0 +1,11 @@
+# S3C24xx Platform Support
+snd-soc-s3c24xx-objs := s3c24xx-pcm.o
+snd-soc-at91-i2s-objs := s3c24xx-i2s.o
+
+obj-$(CONFIG_SND_S3C24XX_SOC) += snd-soc-s3c24xx.o
+obj-$(CONFIG_SND_S3C24XX_SOC_I2S) += snd-soc-s3c24xx-i2s.o
+
+# S3C24xx Machine Support
+snd-soc-smdk2440-uda1380-objs := smdk2440_uda1380.o
+
+obj-$(CONFIG_SND_S3C24XX_SOC_SMDK2440) += snd-soc-smdk2440-uda1380.o