[alsa-devel] [PATCH 2/3] ASoC: rt5677: Add the ASRC support
Oder Chiou
oder_chiou at realtek.com
Fri Dec 19 07:11:00 CET 2014
Add the ASRC support
Signed-off-by: Oder Chiou <oder_chiou at realtek.com>
---
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" },
--
1.8.1.1.439.g50a6b54
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