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ASoC: da7213: Add support for mono, set frame width to 32 when possible
This adds the DAI mono mode support and set the frame width to 32 Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com> Tested-by: David Rau <David.Rau.opensource@dm.renesas.com> Signed-off-by: David Rau <David.Rau.opensource@dm.renesas.com> Link: https://lore.kernel.org/r/20221214044058.6289-1-David.Rau.opensource@dm.renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@@ -1157,13 +1157,31 @@ static int da7213_hw_params(struct snd_pcm_substream *substream,
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{
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struct snd_soc_component *component = dai->component;
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struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
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u8 dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_64;
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u8 dai_ctrl = 0;
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u8 fs;
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/* Set channels */
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switch (params_channels(params)) {
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case 1:
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if (da7213->fmt != DA7213_DAI_FORMAT_DSP) {
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dev_err(component->dev, "Mono supported only in DSP mode\n");
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return -EINVAL;
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}
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dai_ctrl |= DA7213_DAI_MONO_MODE_EN;
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break;
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case 2:
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dai_ctrl &= ~(DA7213_DAI_MONO_MODE_EN);
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break;
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default:
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return -EINVAL;
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}
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/* Set DAI format */
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switch (params_width(params)) {
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case 16:
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dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
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dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_32; /* 32bit for 1ch and 2ch */
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break;
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case 20:
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dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
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@@ -1224,8 +1242,11 @@ static int da7213_hw_params(struct snd_pcm_substream *substream,
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return -EINVAL;
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}
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snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
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dai_ctrl);
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snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
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DA7213_DAI_BCLKS_PER_WCLK_MASK, dai_clk_mode);
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snd_soc_component_update_bits(component, DA7213_DAI_CTRL,
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DA7213_DAI_WORD_LENGTH_MASK | DA7213_DAI_MONO_MODE_MASK, dai_ctrl);
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snd_soc_component_write(component, DA7213_SR, fs);
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return 0;
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@@ -1300,19 +1321,24 @@ static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
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da7213->fmt = DA7213_DAI_FORMAT_I2S_MODE;
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break;
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case SND_SOC_DAIFMT_LEFT_J:
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dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
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da7213->fmt = DA7213_DAI_FORMAT_LEFT_J;
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break;
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case SND_SOC_DAIFMT_RIGHT_J:
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dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
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da7213->fmt = DA7213_DAI_FORMAT_RIGHT_J;
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break;
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case SND_SOC_DAI_FORMAT_DSP_A: /* L data MSB after FRM LRC */
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dai_ctrl |= DA7213_DAI_FORMAT_DSP;
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dai_offset = 1;
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da7213->fmt = DA7213_DAI_FORMAT_DSP;
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break;
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case SND_SOC_DAI_FORMAT_DSP_B: /* L data MSB during FRM LRC */
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dai_ctrl |= DA7213_DAI_FORMAT_DSP;
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da7213->fmt = DA7213_DAI_FORMAT_DSP;
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break;
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default:
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return -EINVAL;
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@@ -195,6 +195,8 @@
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#define DA7213_DAI_WORD_LENGTH_S24_LE (0x2 << 2)
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#define DA7213_DAI_WORD_LENGTH_S32_LE (0x3 << 2)
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#define DA7213_DAI_WORD_LENGTH_MASK (0x3 << 2)
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#define DA7213_DAI_MONO_MODE_EN (0x1 << 4)
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#define DA7213_DAI_MONO_MODE_MASK (0x1 << 4)
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#define DA7213_DAI_EN_SHIFT 7
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/* DA7213_DIG_ROUTING_DAI = 0x21 */
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@@ -542,6 +544,7 @@ struct da7213_priv {
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bool alc_en;
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bool fixed_clk_auto_pll;
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struct da7213_platform_data *pdata;
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int fmt;
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};
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#endif /* _DA7213_H */
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