diff options
Diffstat (limited to 'sound/soc/codecs/pcm512x.c')
-rw-r--r-- | sound/soc/codecs/pcm512x.c | 134 |
1 files changed, 84 insertions, 50 deletions
diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c index 8153d3d01654..4dc844f3c1fc 100644 --- a/sound/soc/codecs/pcm512x.c +++ b/sound/soc/codecs/pcm512x.c @@ -1168,8 +1168,6 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream, struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); int alen; int gpio; - int clock_output; - int master_mode; int ret; dev_dbg(component->dev, "hw_params %u Hz, %u channels\n", @@ -1195,19 +1193,15 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - switch (pcm512x->fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: - ret = regmap_update_bits(pcm512x->regmap, - PCM512x_BCLK_LRCLK_CFG, - PCM512x_BCKP - | PCM512x_BCKO | PCM512x_LRKO, - 0); - if (ret != 0) { - dev_err(component->dev, - "Failed to enable slave mode: %d\n", ret); - return ret; - } + ret = regmap_update_bits(pcm512x->regmap, PCM512x_I2S_1, + PCM512x_ALEN, alen); + if (ret != 0) { + dev_err(component->dev, "Failed to set frame size: %d\n", ret); + return ret; + } + if ((pcm512x->fmt & SND_SOC_DAIFMT_MASTER_MASK) == + SND_SOC_DAIFMT_CBS_CFS) { ret = regmap_update_bits(pcm512x->regmap, PCM512x_ERROR_DETECT, PCM512x_DCAS, 0); if (ret != 0) { @@ -1216,24 +1210,7 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream, ret); return ret; } - return 0; - case SND_SOC_DAIFMT_CBM_CFM: - clock_output = PCM512x_BCKO | PCM512x_LRKO; - master_mode = PCM512x_RLRK | PCM512x_RBCK; - break; - case SND_SOC_DAIFMT_CBM_CFS: - clock_output = PCM512x_BCKO; - master_mode = PCM512x_RBCK; - break; - default: - return -EINVAL; - } - - ret = regmap_update_bits(pcm512x->regmap, PCM512x_I2S_1, - PCM512x_ALEN, alen); - if (ret != 0) { - dev_err(component->dev, "Failed to set frame size: %d\n", ret); - return ret; + goto skip_pll; } if (pcm512x->pll_out) { @@ -1316,25 +1293,7 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream, dev_err(component->dev, "Failed to enable pll: %d\n", ret); return ret; } - } - ret = regmap_update_bits(pcm512x->regmap, PCM512x_BCLK_LRCLK_CFG, - PCM512x_BCKP | PCM512x_BCKO | PCM512x_LRKO, - clock_output); - if (ret != 0) { - dev_err(component->dev, "Failed to enable clock output: %d\n", ret); - return ret; - } - - ret = regmap_update_bits(pcm512x->regmap, PCM512x_MASTER_MODE, - PCM512x_RLRK | PCM512x_RBCK, - master_mode); - if (ret != 0) { - dev_err(component->dev, "Failed to enable master mode: %d\n", ret); - return ret; - } - - if (pcm512x->pll_out) { gpio = PCM512x_G1OE << (pcm512x->pll_out - 1); ret = regmap_update_bits(pcm512x->regmap, PCM512x_GPIO_EN, gpio, gpio); @@ -1368,6 +1327,7 @@ static int pcm512x_hw_params(struct snd_pcm_substream *substream, return ret; } +skip_pll: return 0; } @@ -1375,6 +1335,80 @@ static int pcm512x_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_component *component = dai->component; struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); + int afmt; + int offset = 0; + int clock_output; + int master_mode; + int ret; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + clock_output = 0; + master_mode = 0; + break; + case SND_SOC_DAIFMT_CBM_CFM: + clock_output = PCM512x_BCKO | PCM512x_LRKO; + master_mode = PCM512x_RLRK | PCM512x_RBCK; + break; + case SND_SOC_DAIFMT_CBM_CFS: + clock_output = PCM512x_BCKO; + master_mode = PCM512x_RBCK; + break; + default: + return -EINVAL; + } + + ret = regmap_update_bits(pcm512x->regmap, PCM512x_BCLK_LRCLK_CFG, + PCM512x_BCKP | PCM512x_BCKO | PCM512x_LRKO, + clock_output); + if (ret != 0) { + dev_err(component->dev, "Failed to enable clock output: %d\n", ret); + return ret; + } + + ret = regmap_update_bits(pcm512x->regmap, PCM512x_MASTER_MODE, + PCM512x_RLRK | PCM512x_RBCK, + master_mode); + if (ret != 0) { + dev_err(component->dev, "Failed to enable master mode: %d\n", ret); + return ret; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + afmt = PCM512x_AFMT_I2S; + break; + case SND_SOC_DAIFMT_RIGHT_J: + afmt = PCM512x_AFMT_RTJ; + break; + case SND_SOC_DAIFMT_LEFT_J: + afmt = PCM512x_AFMT_LTJ; + break; + case SND_SOC_DAIFMT_DSP_A: + offset = 1; + fallthrough; + case SND_SOC_DAIFMT_DSP_B: + afmt = PCM512x_AFMT_DSP; + break; + default: + dev_err(component->dev, "unsupported DAI format: 0x%x\n", + pcm512x->fmt); + return -EINVAL; + } + + ret = regmap_update_bits(pcm512x->regmap, PCM512x_I2S_1, + PCM512x_AFMT, afmt); + if (ret != 0) { + dev_err(component->dev, "Failed to set data format: %d\n", ret); + return ret; + } + + ret = regmap_update_bits(pcm512x->regmap, PCM512x_I2S_2, + 0xFF, offset); + if (ret != 0) { + dev_err(component->dev, "Failed to set data offset: %d\n", ret); + return ret; + } pcm512x->fmt = fmt; |