summaryrefslogtreecommitdiff
path: root/sound/soc/rockchip
diff options
context:
space:
mode:
authorzhangjun <zhangjun@rock-chips.com>2017-06-09 11:52:48 +0300
committerMark Brown <broonie@kernel.org>2017-06-13 23:47:40 +0300
commitec2212c4af20d84841ae288a397d8ee9ecec72a0 (patch)
tree402de757dce58ff0e78b7cf28ef4364e4f50fefc /sound/soc/rockchip
parent55f42d2e28a42b06907c916c3c71ceb6dfb5afc4 (diff)
downloadlinux-ec2212c4af20d84841ae288a397d8ee9ecec72a0.tar.xz
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>
Diffstat (limited to 'sound/soc/rockchip')
-rw-r--r--sound/soc/rockchip/rockchip_i2s.c30
-rw-r--r--sound/soc/rockchip/rockchip_i2s.h3
2 files changed, 31 insertions, 2 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 974915cb4c4f..66a26c56c658 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -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;
}
diff --git a/sound/soc/rockchip/rockchip_i2s.h b/sound/soc/rockchip/rockchip_i2s.h
index 31f11fd25393..a7b8527d8a73 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)