From: zhangjun zhangjun@rock-chips.com
simple-audio-card,bitclock-inversion = <1> : bclk falling edge taken simple-audio-card,format = "dsp_a" : pcm no delay mode simple-audio-card,format = "dsp_b" : pcm late 1 mode
Signed-off-by: zhangjun zhangjun@rock-chips.com Signed-off-by: Sugar Zhang sugar.zhang@rock-chips.com ---
sound/soc/rockchip/rockchip_i2s.c | 30 ++++++++++++++++++++++++++++-- sound/soc/rockchip/rockchip_i2s.h | 3 +++ 2 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 220232b..2a15a00 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -207,7 +207,21 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);
- mask = I2S_TXCR_IBM_MASK; + mask = I2S_CKR_CKP_MASK; + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + val = I2S_CKR_CKP_NEG; + break; + case SND_SOC_DAIFMT_IB_NF: + val = I2S_CKR_CKP_POS; + break; + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, I2S_CKR, mask, val); + + mask = I2S_TXCR_IBM_MASK | I2S_TXCR_TFS_MASK | I2S_TXCR_PBM_MASK; switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_RIGHT_J: val = I2S_TXCR_IBM_RSJM; @@ -218,13 +232,19 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, case SND_SOC_DAIFMT_I2S: val = I2S_TXCR_IBM_NORMAL; break; + case SND_SOC_DAIFMT_DSP_A: /* PCM no delay mode */ + val = I2S_TXCR_TFS_PCM; + break; + case SND_SOC_DAIFMT_DSP_B: /* PCM delay 1 mode */ + val = I2S_TXCR_TFS_PCM | I2S_TXCR_PBM_MODE(1); + break; default: return -EINVAL; }
regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val);
- mask = I2S_RXCR_IBM_MASK; + mask = I2S_RXCR_IBM_MASK | I2S_RXCR_TFS_MASK | I2S_RXCR_PBM_MASK; switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_RIGHT_J: val = I2S_RXCR_IBM_RSJM; @@ -235,6 +255,12 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, case SND_SOC_DAIFMT_I2S: val = I2S_RXCR_IBM_NORMAL; break; + case SND_SOC_DAIFMT_DSP_A: /* PCM no delay mode */ + val = I2S_RXCR_TFS_PCM; + break; + case SND_SOC_DAIFMT_DSP_B: /* PCM delay 1 mode */ + val = I2S_RXCR_TFS_PCM | I2S_RXCR_PBM_MODE(1); + break; default: return -EINVAL; } diff --git a/sound/soc/rockchip/rockchip_i2s.h b/sound/soc/rockchip/rockchip_i2s.h index 31f11fd..a7b8527 100644 --- a/sound/soc/rockchip/rockchip_i2s.h +++ b/sound/soc/rockchip/rockchip_i2s.h @@ -41,6 +41,7 @@ #define I2S_TXCR_TFS_SHIFT 5 #define I2S_TXCR_TFS_I2S (0 << I2S_TXCR_TFS_SHIFT) #define I2S_TXCR_TFS_PCM (1 << I2S_TXCR_TFS_SHIFT) +#define I2S_TXCR_TFS_MASK (1 << I2S_TXCR_TFS_SHIFT) #define I2S_TXCR_VDW_SHIFT 0 #define I2S_TXCR_VDW(x) ((x - 1) << I2S_TXCR_VDW_SHIFT) #define I2S_TXCR_VDW_MASK (0x1f << I2S_TXCR_VDW_SHIFT) @@ -70,6 +71,7 @@ #define I2S_RXCR_TFS_SHIFT 5 #define I2S_RXCR_TFS_I2S (0 << I2S_RXCR_TFS_SHIFT) #define I2S_RXCR_TFS_PCM (1 << I2S_RXCR_TFS_SHIFT) +#define I2S_RXCR_TFS_MASK (1 << I2S_RXCR_TFS_SHIFT) #define I2S_RXCR_VDW_SHIFT 0 #define I2S_RXCR_VDW(x) ((x - 1) << I2S_RXCR_VDW_SHIFT) #define I2S_RXCR_VDW_MASK (0x1f << I2S_RXCR_VDW_SHIFT) @@ -91,6 +93,7 @@ #define I2S_CKR_CKP_SHIFT 26 #define I2S_CKR_CKP_NEG (0 << I2S_CKR_CKP_SHIFT) #define I2S_CKR_CKP_POS (1 << I2S_CKR_CKP_SHIFT) +#define I2S_CKR_CKP_MASK (1 << I2S_CKR_CKP_SHIFT) #define I2S_CKR_RLP_SHIFT 25 #define I2S_CKR_RLP_NORMAL (0 << I2S_CKR_RLP_SHIFT) #define I2S_CKR_RLP_OPPSITE (1 << I2S_CKR_RLP_SHIFT)