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Commit 5a8c7c26 authored by Oder Chiou's avatar Oder Chiou Committed by Mark Brown
Browse files

ASoC: rt5677: Add the ASRC support 



Add the ASRC support

Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 6800b5ba

sound/soc/codecs/rt5677.c

+155 −0
Original line number Diff line number Diff line
@@ -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" },