diff options
Diffstat (limited to 'sound/soc/rockchip/rockchip_i2s.c')
| -rw-r--r-- | sound/soc/rockchip/rockchip_i2s.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 8d8e4b59049f..033487c9a164 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -165,13 +165,14 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai, struct rk_i2s_dev *i2s = to_info(cpu_dai); unsigned int mask = 0, val = 0; - mask = I2S_CKR_MSS_SLAVE; + mask = I2S_CKR_MSS_MASK; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBS_CFS: - val = I2S_CKR_MSS_SLAVE; + /* Set source clock in Master mode */ + val = I2S_CKR_MSS_MASTER; break; case SND_SOC_DAIFMT_CBM_CFM: - val = I2S_CKR_MSS_MASTER; + val = I2S_CKR_MSS_SLAVE; break; default: return -EINVAL; @@ -243,16 +244,6 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(i2s->regmap, I2S_TXCR, I2S_TXCR_VDW_MASK, val); regmap_update_bits(i2s->regmap, I2S_RXCR, I2S_RXCR_VDW_MASK, val); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - dai->playback_dma_data = &i2s->playback_dma_data; - regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_TDL_MASK, - I2S_DMACR_TDL(1) | I2S_DMACR_TDE_ENABLE); - } else { - dai->capture_dma_data = &i2s->capture_dma_data; - regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, - I2S_DMACR_RDL(1) | I2S_DMACR_RDE_ENABLE); - } - return 0; } @@ -300,6 +291,16 @@ static int rockchip_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, return ret; } +static int rockchip_i2s_dai_probe(struct snd_soc_dai *dai) +{ + struct rk_i2s_dev *i2s = snd_soc_dai_get_drvdata(dai); + + dai->capture_dma_data = &i2s->capture_dma_data; + dai->playback_dma_data = &i2s->playback_dma_data; + + return 0; +} + static const struct snd_soc_dai_ops rockchip_i2s_dai_ops = { .hw_params = rockchip_i2s_hw_params, .set_sysclk = rockchip_i2s_set_sysclk, @@ -308,7 +309,9 @@ static const struct snd_soc_dai_ops rockchip_i2s_dai_ops = { }; static struct snd_soc_dai_driver rockchip_i2s_dai = { + .probe = rockchip_i2s_dai_probe, .playback = { + .stream_name = "Playback", .channels_min = 2, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_192000, @@ -318,6 +321,7 @@ static struct snd_soc_dai_driver rockchip_i2s_dai = { SNDRV_PCM_FMTBIT_S24_LE), }, .capture = { + .stream_name = "Capture", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_192000, @@ -361,6 +365,8 @@ static bool rockchip_i2s_rd_reg(struct device *dev, unsigned int reg) case I2S_XFER: case I2S_CLR: case I2S_RXDR: + case I2S_FIFOLR: + case I2S_INTSR: return true; default: return false; @@ -370,8 +376,8 @@ static bool rockchip_i2s_rd_reg(struct device *dev, unsigned int reg) static bool rockchip_i2s_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { - case I2S_FIFOLR: case I2S_INTSR: + case I2S_CLR: return true; default: return false; @@ -381,8 +387,6 @@ static bool rockchip_i2s_volatile_reg(struct device *dev, unsigned int reg) static bool rockchip_i2s_precious_reg(struct device *dev, unsigned int reg) { switch (reg) { - case I2S_FIFOLR: - return true; default: return false; } @@ -419,6 +423,11 @@ static int rockchip_i2s_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Can't retrieve i2s bus clock\n"); return PTR_ERR(i2s->hclk); } + ret = clk_prepare_enable(i2s->hclk); + if (ret) { + dev_err(i2s->dev, "hclock enable failed %d\n", ret); + return ret; + } i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk"); if (IS_ERR(i2s->mclk)) { |