diff options
| author | oder_chiou@realtek.com <oder_chiou@realtek.com> | 2017-07-24 15:34:23 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-07-24 16:33:47 +0100 |
| commit | 1628ef89042fdb90aaea657942455e00e160174d (patch) | |
| tree | a11205895a4be3d18aee342b6e0c2ee819cd99bd /sound/soc/codecs/rt5514.c | |
| parent | e8be3a5ad335316ddf1b90e0386426093187bfc7 (diff) | |
| download | blackbird-obmc-linux-1628ef89042fdb90aaea657942455e00e160174d.tar.gz blackbird-obmc-linux-1628ef89042fdb90aaea657942455e00e160174d.zip | |
ASoC: rt5514: Add the I2S ASRC support
The patch adds the I2S ASRC support.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5514.c')
| -rw-r--r-- | sound/soc/codecs/rt5514.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index a105c84ef555..882fdc4a6fd4 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -63,6 +63,7 @@ static const struct reg_sequence rt5514_patch[] = { {RT5514_SRC_CTRL, 0x44000eee}, {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_ADCFED, 0x00000800}, + {RT5514_ASRC_IN_CTRL1, 0x00000003}, }; static const struct reg_default rt5514_reg[] = { @@ -471,6 +472,15 @@ static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, return 0; } +static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm); + struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); + + return (rt5514->sysclk > rt5514->lrck * 384); +} + static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = { /* Input Lines */ SND_SOC_DAPM_INPUT("DMIC1L"), @@ -541,6 +551,10 @@ static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = { RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2, + RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2, + RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0), /* ADC Mux */ SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0, @@ -638,6 +652,7 @@ static const struct snd_soc_dapm_route rt5514_dapm_routes[] = { { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" }, { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" }, { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, + { "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc }, { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" }, { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" }, @@ -654,6 +669,7 @@ static const struct snd_soc_dapm_route rt5514_dapm_routes[] = { { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" }, { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" }, { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, + { "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc }, { "AIF1TX", NULL, "Stereo1 ADC MIX"}, { "AIF1TX", NULL, "Stereo2 ADC MIX"}, @@ -706,6 +722,9 @@ static int rt5514_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK, val_len); + regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1, + RT5514_CLK_AD_ANA1_SEL_MASK, + (pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT); regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK, pre_div << RT5514_CLK_SYS_DIV_OUT_SFT | |
