-#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,
- .fs = 1536,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .fs = 2304,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .fs = 1408,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_8000,
- .pcmdir = WM8731_DIR,
- .fs = 2112,
- .bfs = SND_SOC_FSB(64),
- },
-
- /* 32k */
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_32000,
- .pcmdir = WM8731_DIR,
- .fs = 384,
- .bfs = SND_SOC_FSB(64),
- },
- {
- .fmt = WM8731_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
- .pcmfmt = WM8731_HIFI_BITS,
- .pcmrate = SNDRV_PCM_RATE_32000,
- .pcmdir = WM8731_DIR,
- .fs = 576,
- .bfs = SND_SOC_FSB(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,
- .fs = 256,
- .bfs = SND_SOC_FSB(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,
- .fs = 384,
- .bfs = SND_SOC_FSB(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,
- .fs = 128,
- .bfs = SND_SOC_FSB(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,
- .fs = 192,
- .bfs = SND_SOC_FSB(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_FSBD_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)