ASoC: rt5677: Add the ASRC support

Add the ASRC support

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index a15e39d..66abfa3 100644 (file)
--- 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" },