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ASoC: rockchip: i2s: add other configurable formats 

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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
zhangjun 2017-06-09 16:52:48 +08:00 committed by Mark Brown
parent 55f42d2e28
commit ec2212c4af
2 changed files with 31 additions and 2 deletions
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30
sound/soc/rockchip/rockchip_i2s.c
View File

@ -204,7 +204,21 @@ 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;
@ -215,13 +229,19 @@ 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;
@ -232,6 +252,12 @@ 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;
}

3
sound/soc/rockchip/rockchip_i2s.h
View File

@ -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)