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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>
This commit is contained in:
oder_chiou@realtek.com 2017-07-24 15:34:23 +08:00 committed by Mark Brown
parent e8be3a5ad3
commit 1628ef8904
2 changed files with 26 additions and 0 deletions
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19
sound/soc/codecs/rt5514.c
View File

@ -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 |

7
sound/soc/codecs/rt5514.h
View File

@ -37,6 +37,7 @@
#define RT5514_PLL3_CALIB_CTRL5 0x2124
#define RT5514_DELAY_BUF_CTRL1 0x2140
#define RT5514_DELAY_BUF_CTRL3 0x2148
#define RT5514_ASRC_IN_CTRL1 0x2180
#define RT5514_DOWNFILTER0_CTRL1 0x2190
#define RT5514_DOWNFILTER0_CTRL2 0x2194
#define RT5514_DOWNFILTER0_CTRL3 0x2198
@ -197,8 +198,14 @@
#define RT5514_CLK_AD0_EN_BIT 23
#define RT5514_CLK_DMIC_OUT_SEL_MASK (0x7 << 8)
#define RT5514_CLK_DMIC_OUT_SEL_SFT 8
#define RT5514_CLK_AD_ANA1_SEL_MASK (0xf << 0)
#define RT5514_CLK_AD_ANA1_SEL_SFT 0
/* RT5514_CLK_CTRL2 (0x2108) */
#define RT5514_CLK_AD1_ASRC_EN (0x1 << 17)
#define RT5514_CLK_AD1_ASRC_EN_BIT 17
#define RT5514_CLK_AD0_ASRC_EN (0x1 << 16)
#define RT5514_CLK_AD0_ASRC_EN_BIT 16
#define RT5514_CLK_SYS_DIV_OUT_MASK (0x7 << 8)
#define RT5514_CLK_SYS_DIV_OUT_SFT 8
#define RT5514_SEL_ADC_OSR_MASK (0x7 << 4)