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ASoC: rockchip: i2s-tdm: Add support for frame inversion

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Change-Id: I4d6d626018b1555f65684cc6a3c16045894bd868
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
This commit is contained in:
Sugar Zhang
2020-11-04 21:35:12 +08:00
committed by Tao Huang
parent baddcc7c35
commit 9c07a12f01
2 changed files with 21 additions and 5 deletions
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20
sound/soc/rockchip/rockchip_i2s_tdm.c
View File

@@ -469,13 +469,27 @@ static int rockchip_i2s_tdm_set_fmt(struct snd_soc_dai *cpu_dai,
regmap_update_bits(i2s_tdm->regmap, I2S_CKR, mask, val);
mask = I2S_CKR_CKP_MASK;
mask = I2S_CKR_CKP_MASK | I2S_CKR_TLP_MASK | I2S_CKR_RLP_MASK;
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
val = I2S_CKR_CKP_NORMAL;
val = I2S_CKR_CKP_NORMAL |
I2S_CKR_TLP_NORMAL |
I2S_CKR_RLP_NORMAL;
break;
case SND_SOC_DAIFMT_NB_IF:
val = I2S_CKR_CKP_NORMAL |
I2S_CKR_TLP_INVERTED |
I2S_CKR_RLP_INVERTED;
break;
case SND_SOC_DAIFMT_IB_NF:
val = I2S_CKR_CKP_INVERTED;
val = I2S_CKR_CKP_INVERTED |
I2S_CKR_TLP_NORMAL |
I2S_CKR_RLP_NORMAL;
break;
case SND_SOC_DAIFMT_IB_IF:
val = I2S_CKR_CKP_INVERTED |
I2S_CKR_TLP_INVERTED |
I2S_CKR_RLP_INVERTED;
break;
default:
ret = -EINVAL;

6
sound/soc/rockchip/rockchip_i2s_tdm.h
View File

@@ -106,10 +106,12 @@
#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)
#define I2S_CKR_RLP_INVERTED (1 << I2S_CKR_RLP_SHIFT)
#define I2S_CKR_RLP_MASK (1 << I2S_CKR_RLP_SHIFT)
#define I2S_CKR_TLP_SHIFT 24
#define I2S_CKR_TLP_NORMAL (0 << I2S_CKR_TLP_SHIFT)
#define I2S_CKR_TLP_OPPSITE (1 << I2S_CKR_TLP_SHIFT)
#define I2S_CKR_TLP_INVERTED (1 << I2S_CKR_TLP_SHIFT)
#define I2S_CKR_TLP_MASK (1 << I2S_CKR_TLP_SHIFT)
#define I2S_CKR_MDIV_SHIFT 16
#define I2S_CKR_MDIV(x) ((x - 1) << I2S_CKR_MDIV_SHIFT)
#define I2S_CKR_MDIV_MASK (0xff << I2S_CKR_MDIV_SHIFT)