From 5a8c7c2628f8d12e9bca6ab24f6718fc57728991 Mon Sep 17 00:00:00 2001 From: Oder Chiou Date: Tue, 23 Dec 2014 10:27:55 +0800 Subject: [PATCH] ASoC: rt5677: Add the ASRC support Add the ASRC support Signed-off-by: Oder Chiou Signed-off-by: Mark Brown --- sound/soc/codecs/rt5677.c | 155 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index a15e39d..66abfa3 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -921,6 +921,97 @@ 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) +{ + unsigned int reg, shift, val; + + if (source->reg == RT5677_ASRC_1) { + switch (source->shift) { + case 12: + reg = RT5677_ASRC_4; + shift = 0; + break; + case 13: + reg = RT5677_ASRC_4; + shift = 4; + break; + case 14: + reg = RT5677_ASRC_4; + shift = 8; + break; + case 15: + reg = RT5677_ASRC_4; + shift = 12; + break; + default: + return 0; + } + } else { + switch (source->shift) { + case 0: + reg = RT5677_ASRC_6; + shift = 8; + break; + case 1: + reg = RT5677_ASRC_6; + shift = 12; + break; + case 2: + reg = RT5677_ASRC_5; + shift = 0; + break; + case 3: + reg = RT5677_ASRC_5; + shift = 4; + break; + case 4: + reg = RT5677_ASRC_5; + shift = 8; + break; + case 5: + reg = RT5677_ASRC_5; + shift = 12; + break; + case 12: + reg = RT5677_ASRC_3; + shift = 0; + break; + case 13: + reg = RT5677_ASRC_3; + shift = 4; + break; + case 14: + reg = RT5677_ASRC_3; + shift = 12; + break; + default: + return 0; + } + } + + val = (snd_soc_read(source->codec, reg) >> shift) & 0xf; + switch (val) { + case 1 ... 6: + return 1; + default: + return 0; + } + +} + +static int can_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 rt5677_priv *rt5677 = snd_soc_codec_get_drvdata(codec); + + if (rt5677->sysclk > rt5677->lrck[RT5677_AIF1] * 384) + return 1; + + return 0; +} + /* Digital Mixer */ static const struct snd_kcontrol_new rt5677_sto1_adc_l_mix[] = { SOC_DAPM_SINGLE("ADC1 Switch", RT5677_STO1_ADC_MIXER, @@ -2215,6 +2306,45 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("PLL2", RT5677_PWR_ANLG2, RT5677_PWR_PLL2_BIT, 0, rt5677_set_pll2_event, SND_SOC_DAPM_POST_PMU), + /* ASRC */ + SND_SOC_DAPM_SUPPLY_S("I2S1 ASRC", 1, RT5677_ASRC_1, 0, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("I2S2 ASRC", 1, RT5677_ASRC_1, 1, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("I2S3 ASRC", 1, RT5677_ASRC_1, 2, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("I2S4 ASRC", 1, RT5677_ASRC_1, 3, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("DAC STO ASRC", 1, RT5677_ASRC_2, 14, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("DAC MONO2 L ASRC", 1, RT5677_ASRC_2, 13, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DAC MONO2 R ASRC", 1, RT5677_ASRC_2, 12, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DAC MONO3 L ASRC", 1, RT5677_ASRC_1, 15, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DAC MONO3 R ASRC", 1, RT5677_ASRC_1, 14, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DAC MONO4 L ASRC", 1, RT5677_ASRC_1, 13, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DAC MONO4 R ASRC", 1, RT5677_ASRC_1, 12, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DMIC STO1 ASRC", 1, RT5677_ASRC_2, 11, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DMIC STO2 ASRC", 1, RT5677_ASRC_2, 10, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DMIC STO3 ASRC", 1, RT5677_ASRC_2, 9, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DMIC STO4 ASRC", 1, RT5677_ASRC_2, 8, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DMIC MONO L ASRC", 1, RT5677_ASRC_2, 7, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("DMIC MONO R ASRC", 1, RT5677_ASRC_2, 6, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("ADC STO1 ASRC", 1, RT5677_ASRC_2, 5, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("ADC STO2 ASRC", 1, RT5677_ASRC_2, 4, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("ADC STO3 ASRC", 1, RT5677_ASRC_2, 3, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("ADC STO4 ASRC", 1, RT5677_ASRC_2, 2, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("ADC MONO L ASRC", 1, RT5677_ASRC_2, 1, 0, NULL, + 0), + SND_SOC_DAPM_SUPPLY_S("ADC MONO R ASRC", 1, RT5677_ASRC_2, 0, 0, NULL, + 0), + /* Input Side */ /* micbias */ SND_SOC_DAPM_SUPPLY("MICBIAS1", RT5677_PWR_ANLG2, RT5677_PWR_MB1_BIT, @@ -2729,6 +2859,31 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = { }; static const struct snd_soc_dapm_route rt5677_dapm_routes[] = { + { "Stereo1 DMIC Mux", NULL, "DMIC STO1 ASRC", can_use_asrc }, + { "Stereo2 DMIC Mux", NULL, "DMIC STO2 ASRC", can_use_asrc }, + { "Stereo3 DMIC Mux", NULL, "DMIC STO3 ASRC", can_use_asrc }, + { "Stereo4 DMIC Mux", NULL, "DMIC STO4 ASRC", can_use_asrc }, + { "Mono DMIC L Mux", NULL, "DMIC MONO L ASRC", can_use_asrc }, + { "Mono DMIC R Mux", NULL, "DMIC MONO R ASRC", can_use_asrc }, + { "I2S1", NULL, "I2S1 ASRC", can_use_asrc}, + { "I2S2", NULL, "I2S2 ASRC", can_use_asrc}, + { "I2S3", NULL, "I2S3 ASRC", can_use_asrc}, + { "I2S4", NULL, "I2S4 ASRC", can_use_asrc}, + + { "dac stereo1 filter", NULL, "DAC STO ASRC", is_using_asrc }, + { "dac mono2 left filter", NULL, "DAC MONO2 L ASRC", is_using_asrc }, + { "dac mono2 right filter", NULL, "DAC MONO2 R ASRC", is_using_asrc }, + { "dac mono3 left filter", NULL, "DAC MONO3 L ASRC", is_using_asrc }, + { "dac mono3 right filter", NULL, "DAC MONO3 R ASRC", is_using_asrc }, + { "dac mono4 left filter", NULL, "DAC MONO4 L ASRC", is_using_asrc }, + { "dac mono4 right filter", NULL, "DAC MONO4 R ASRC", is_using_asrc }, + { "adc stereo1 filter", NULL, "ADC STO1 ASRC", is_using_asrc }, + { "adc stereo2 filter", NULL, "ADC STO2 ASRC", is_using_asrc }, + { "adc stereo3 filter", NULL, "ADC STO3 ASRC", is_using_asrc }, + { "adc stereo4 filter", NULL, "ADC STO4 ASRC", is_using_asrc }, + { "adc mono left filter", NULL, "ADC MONO L ASRC", is_using_asrc }, + { "adc mono right filter", NULL, "ADC MONO R ASRC", is_using_asrc }, + { "DMIC1", NULL, "DMIC L1" }, { "DMIC1", NULL, "DMIC R1" }, { "DMIC2", NULL, "DMIC L2" }, -- 2.7.4