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ASoC: rt5640: add ASRC support

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Signed-off-by: Jack Yu <jack.yu@realtek.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jack Yu 2016-01-04 17:20:26 -06:00 committed by Mark Brown
parent 8005c49d9a
commit bee3e02024
2 changed files with 119 additions and 0 deletions
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102
sound/soc/codecs/rt5640.c
View file

@ -488,6 +488,18 @@ static int is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
return 0;
}
static int is_using_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 rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
if (!rt5640->asrc_en)
return 0;
return 1;
}
/* Digital Mixer */
static const struct snd_kcontrol_new rt5640_sto_adc_l_mix[] = {
SOC_DAPM_SINGLE("ADC1 Switch", RT5640_STO_ADC_MIXER,
@ -1059,6 +1071,20 @@ static int rt5640_hp_post_event(struct snd_soc_dapm_widget *w,
static const struct snd_soc_dapm_widget rt5640_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("PLL1", RT5640_PWR_ANLG2,
RT5640_PWR_PLL_BIT, 0, NULL, 0),
/* ASRC */
SND_SOC_DAPM_SUPPLY_S("Stereo Filter ASRC", 1, RT5640_ASRC_1,
15, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("I2S2 Filter ASRC", 1, RT5640_ASRC_1,
12, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("I2S2 ASRC", 1, RT5640_ASRC_1,
11, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DMIC1 ASRC", 1, RT5640_ASRC_1,
9, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("DMIC2 ASRC", 1, RT5640_ASRC_1,
8, 0, NULL, 0),
/* Input Side */
/* micbias */
SND_SOC_DAPM_SUPPLY("LDO2", RT5640_PWR_ANLG1,
@ -1319,6 +1345,12 @@ static const struct snd_soc_dapm_widget rt5639_specific_dapm_widgets[] = {
};
static const struct snd_soc_dapm_route rt5640_dapm_routes[] = {
{ "I2S1", NULL, "Stereo Filter ASRC", is_using_asrc },
{ "I2S2", NULL, "I2S2 ASRC", is_using_asrc },
{ "I2S2", NULL, "I2S2 Filter ASRC", is_using_asrc },
{ "DMIC1", NULL, "DMIC1 ASRC", is_using_asrc },
{ "DMIC2", NULL, "DMIC2 ASRC", is_using_asrc },
{"IN1P", NULL, "LDO2"},
{"IN2P", NULL, "LDO2"},
{"IN3P", NULL, "LDO2"},
@ -1981,6 +2013,76 @@ int rt5640_dmic_enable(struct snd_soc_codec *codec,
}
EXPORT_SYMBOL_GPL(rt5640_dmic_enable);
int rt5640_sel_asrc_clk_src(struct snd_soc_codec *codec,
unsigned int filter_mask, unsigned int clk_src)
{
struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
unsigned int asrc2_mask = 0;
unsigned int asrc2_value = 0;
switch (clk_src) {
case RT5640_CLK_SEL_SYS:
case RT5640_CLK_SEL_ASRC:
break;
default:
return -EINVAL;
}
if (!filter_mask)
return -EINVAL;
if (filter_mask & RT5640_DA_STEREO_FILTER) {
asrc2_mask |= RT5640_STO_DAC_M_MASK;
asrc2_value = (asrc2_value & ~RT5640_STO_DAC_M_MASK)
| (clk_src << RT5640_STO_DAC_M_SFT);
}
if (filter_mask & RT5640_DA_MONO_L_FILTER) {
asrc2_mask |= RT5640_MDA_L_M_MASK;
asrc2_value = (asrc2_value & ~RT5640_MDA_L_M_MASK)
| (clk_src << RT5640_MDA_L_M_SFT);
}
if (filter_mask & RT5640_DA_MONO_R_FILTER) {
asrc2_mask |= RT5640_MDA_R_M_MASK;
asrc2_value = (asrc2_value & ~RT5640_MDA_R_M_MASK)
| (clk_src << RT5640_MDA_R_M_SFT);
}
if (filter_mask & RT5640_AD_STEREO_FILTER) {
asrc2_mask |= RT5640_ADC_M_MASK;
asrc2_value = (asrc2_value & ~RT5640_ADC_M_MASK)
| (clk_src << RT5640_ADC_M_SFT);
}
if (filter_mask & RT5640_AD_MONO_L_FILTER) {
asrc2_mask |= RT5640_MAD_L_M_MASK;
asrc2_value = (asrc2_value & ~RT5640_MAD_L_M_MASK)
| (clk_src << RT5640_MAD_L_M_SFT);
}
if (filter_mask & RT5640_AD_MONO_R_FILTER) {
asrc2_mask |= RT5640_MAD_R_M_MASK;
asrc2_value = (asrc2_value & ~RT5640_MAD_R_M_MASK)
| (clk_src << RT5640_MAD_R_M_SFT);
}
snd_soc_update_bits(codec, RT5640_ASRC_2,
asrc2_mask, asrc2_value);
if (snd_soc_read(codec, RT5640_ASRC_2)) {
rt5640->asrc_en = true;
snd_soc_update_bits(codec, RT5640_JD_CTRL, 0x3, 0x3);
} else {
rt5640->asrc_en = false;
snd_soc_update_bits(codec, RT5640_JD_CTRL, 0x3, 0x0);
}
return 0;
}
EXPORT_SYMBOL_GPL(rt5640_sel_asrc_clk_src);
static int rt5640_probe(struct snd_soc_codec *codec)
{
struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);

17
sound/soc/codecs/rt5640.h
View file

@ -1033,6 +1033,10 @@
#define RT5640_DMIC_2_M_NOR (0x0 << 8)
#define RT5640_DMIC_2_M_ASYN (0x1 << 8)
/* ASRC clock source selection (0x84) */
#define RT5640_CLK_SEL_SYS (0x0)
#define RT5640_CLK_SEL_ASRC (0x1)
/* ASRC Control 2 (0x84) */
#define RT5640_MDA_L_M_MASK (0x1 << 15)
#define RT5640_MDA_L_M_SFT 15
@ -2079,6 +2083,16 @@ enum {
RT5640_DMIC2,
};
/* filter mask */
enum {
RT5640_DA_STEREO_FILTER = 0x1,
RT5640_DA_MONO_L_FILTER = (0x1 << 1),
RT5640_DA_MONO_R_FILTER = (0x1 << 2),
RT5640_AD_STEREO_FILTER = (0x1 << 3),
RT5640_AD_MONO_L_FILTER = (0x1 << 4),
RT5640_AD_MONO_R_FILTER = (0x1 << 5),
};
struct rt5640_priv {
struct snd_soc_codec *codec;
struct rt5640_platform_data pdata;
@ -2095,9 +2109,12 @@ struct rt5640_priv {
int pll_out;
bool hp_mute;
bool asrc_en;
};
int rt5640_dmic_enable(struct snd_soc_codec *codec,
bool dmic1_data_pin, bool dmic2_data_pin);
int rt5640_sel_asrc_clk_src(struct snd_soc_codec *codec,
unsigned int filter_mask, unsigned int clk_src);
#endif