diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/rt5640.c | 102 | ||||
| -rw-r--r-- | sound/soc/codecs/rt5640.h | 17 |
2 files changed, 119 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index f2beb1aa5763..18f2d3bd3c80 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -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); diff --git a/sound/soc/codecs/rt5640.h b/sound/soc/codecs/rt5640.h index 3deb8babeabb..83a7150ddc24 100644 --- a/sound/soc/codecs/rt5640.h +++ b/sound/soc/codecs/rt5640.h @@ -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 |