[alsa-devel] [RFC PATCH 25/34] ASoC: sun8i-codec: Add support for AIF2

Samuel Holland samuel at sholland.org
Mon Feb 17 07:42:41 CET 2020


This adds the new DAI, clocks, widgets, and routes for AIF2.

Signed-off-by: Samuel Holland <samuel at sholland.org>
---
 sound/soc/sunxi/sun8i-codec.c | 125 ++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)

diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c
index aaea9aaa5632..ce7038bcbdc1 100644
--- a/sound/soc/sunxi/sun8i-codec.c
+++ b/sound/soc/sunxi/sun8i-codec.c
@@ -25,16 +25,20 @@
 #define SUN8I_SYSCLK_CTL				0x00c
 #define SUN8I_SYSCLK_CTL_AIF1CLK_ENA			11
 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL		(0x3 << 8)
+#define SUN8I_SYSCLK_CTL_AIF2CLK_ENA			7
+#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL		(0x3 << 4)
 #define SUN8I_SYSCLK_CTL_SYSCLK_ENA			3
 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC			0
 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK		(0x0 << 0)
 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF2CLK		(0x1 << 0)
 #define SUN8I_MOD_CLK_ENA				0x010
 #define SUN8I_MOD_CLK_ENA_AIF1				15
+#define SUN8I_MOD_CLK_ENA_AIF2				14
 #define SUN8I_MOD_CLK_ENA_ADC				3
 #define SUN8I_MOD_CLK_ENA_DAC				2
 #define SUN8I_MOD_RST_CTL				0x014
 #define SUN8I_MOD_RST_CTL_AIF1				15
+#define SUN8I_MOD_RST_CTL_AIF2				14
 #define SUN8I_MOD_RST_CTL_ADC				3
 #define SUN8I_MOD_RST_CTL_DAC				2
 #define SUN8I_SYS_SR_CTRL				0x018
@@ -62,6 +66,21 @@
 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR	10
 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR		9
 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL	8
+#define SUN8I_AIF2_ADCDAT_CTRL				0x084
+#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA		15
+#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA		14
+#define SUN8I_AIF2_DACDAT_CTRL				0x088
+#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA		15
+#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA		14
+#define SUN8I_AIF2_MXR_SRC				0x08c
+#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L	15
+#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L	14
+#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR	13
+#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL		12
+#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R	11
+#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R	10
+#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL	9
+#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR		8
 #define SUN8I_ADC_DIG_CTRL				0x100
 #define SUN8I_ADC_DIG_CTRL_ENAD				15
 #define SUN8I_ADC_DIG_CTRL_ADOUT_DTS			2
@@ -79,6 +98,7 @@
 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR		8
 
 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK	GENMASK(9, 8)
+#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK	GENMASK(7, 4)
 #define SUN8I_SYS_SR_CTRL_AIF_FS_MASK(n)	(GENMASK(19, 16) >> (4 * (n)))
 #define SUN8I_AIF_CLK_CTRL_CLK_INV_MASK		GENMASK(14, 13)
 #define SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK	GENMASK(12, 9)
@@ -413,6 +433,32 @@ static struct snd_soc_dai_driver sun8i_codec_dais[] = {
 		.symmetric_channels = 1,
 		.symmetric_samplebits = 1,
 	},
+	{
+		.name = "sun8i-codec-aif2",
+		.id = 2,
+		/* playback capabilities */
+		.playback = {
+			.stream_name = "AIF2 Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SUN8I_AIF_PCM_RATES,
+			.formats = SUN8I_AIF_PCM_FMTS,
+		},
+		/* capture capabilities */
+		.capture = {
+			.stream_name = "AIF2 Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = SUN8I_AIF_PCM_RATES,
+			.formats = SUN8I_AIF_PCM_FMTS,
+			.sig_bits = 24,
+		},
+		/* pcm operations */
+		.ops = &sun8i_codec_dai_ops,
+		.symmetric_rates = 1,
+		.symmetric_channels = 1,
+		.symmetric_samplebits = 1,
+	},
 };
 
 static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = {
@@ -434,6 +480,25 @@ static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = {
 			SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
 };
 
+static const struct snd_kcontrol_new sun8i_aif2_adc_mixer_controls[] = {
+	SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA0 Capture Switch",
+			SUN8I_AIF2_MXR_SRC,
+			SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L,
+			SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R, 1, 0),
+	SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA1 Capture Switch",
+			SUN8I_AIF2_MXR_SRC,
+			SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L,
+			SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R, 1, 0),
+	SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF2 DAC Rev Capture Switch",
+			SUN8I_AIF2_MXR_SRC,
+			SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR,
+			SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL, 1, 0),
+	SOC_DAPM_DOUBLE("AIF2 ADC Mixer ADC Capture Switch",
+			SUN8I_AIF2_MXR_SRC,
+			SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL,
+			SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR, 1, 0),
+};
+
 static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
 	SOC_DAPM_DOUBLE("DAC Mixer AIF1 DA0 Playback Switch",
 			SUN8I_DAC_MXR_SRC,
@@ -462,12 +527,24 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
 			     SUN8I_AIF1_ADCDAT_CTRL,
 			     SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0),
 
+	SND_SOC_DAPM_AIF_OUT("AIF2 ADC Left", "AIF2 Capture", 0,
+			     SUN8I_AIF2_ADCDAT_CTRL,
+			     SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA, 0),
+	SND_SOC_DAPM_AIF_OUT("AIF2 ADC Right", "AIF2 Capture", 1,
+			     SUN8I_AIF2_ADCDAT_CTRL,
+			     SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA, 0),
+
 	/* AIF "ADC" Mixers */
 	SOC_MIXER_ARRAY("AIF1 AD0 Left Mixer", SND_SOC_NOPM, 0, 0,
 			sun8i_aif1_ad0_mixer_controls),
 	SOC_MIXER_ARRAY("AIF1 AD0 Right Mixer", SND_SOC_NOPM, 0, 0,
 			sun8i_aif1_ad0_mixer_controls),
 
+	SOC_MIXER_ARRAY("AIF2 ADC Left Mixer", SND_SOC_NOPM, 0, 0,
+			sun8i_aif2_adc_mixer_controls),
+	SOC_MIXER_ARRAY("AIF2 ADC Right Mixer", SND_SOC_NOPM, 0, 0,
+			sun8i_aif2_adc_mixer_controls),
+
 	/* AIF "DAC" Inputs */
 	SND_SOC_DAPM_AIF_IN("AIF1 DA0 Left", "AIF1 Playback", 0,
 			    SUN8I_AIF1_DACDAT_CTRL,
@@ -476,6 +553,13 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
 			    SUN8I_AIF1_DACDAT_CTRL,
 			    SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
 
+	SND_SOC_DAPM_AIF_IN("AIF2 DAC Left", "AIF2 Playback", 0,
+			    SUN8I_AIF2_DACDAT_CTRL,
+			    SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA, 0),
+	SND_SOC_DAPM_AIF_IN("AIF2 DAC Right", "AIF2 Playback", 1,
+			    SUN8I_AIF2_DACDAT_CTRL,
+			    SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA, 0),
+
 	/* Main DAC Outputs (connected to analog codec DAPM context) */
 	SND_SOC_DAPM_PGA("DAC Left", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_PGA("DAC Right", SND_SOC_NOPM, 0, 0, NULL, 0),
@@ -499,6 +583,8 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
 	/* Module Resets */
 	SND_SOC_DAPM_SUPPLY("RST AIF1", SUN8I_MOD_RST_CTL,
 			    SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("RST AIF2", SUN8I_MOD_RST_CTL,
+			    SUN8I_MOD_RST_CTL_AIF2, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("RST ADC", SUN8I_MOD_RST_CTL,
 			    SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("RST DAC", SUN8I_MOD_RST_CTL,
@@ -507,6 +593,8 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
 	/* Module Clocks */
 	SND_SOC_DAPM_SUPPLY("MODCLK AIF1", SUN8I_MOD_CLK_ENA,
 			    SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("MODCLK AIF2", SUN8I_MOD_CLK_ENA,
+			    SUN8I_MOD_CLK_ENA_AIF2, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("MODCLK ADC", SUN8I_MOD_CLK_ENA,
 			    SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("MODCLK DAC", SUN8I_MOD_CLK_ENA,
@@ -515,6 +603,8 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
 	/* Clock Supplies */
 	SND_SOC_DAPM_SUPPLY("AIF1CLK", SUN8I_SYSCLK_CTL,
 			    SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("AIF2CLK", SUN8I_SYSCLK_CTL,
+			    SUN8I_SYSCLK_CTL_AIF2CLK_ENA, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("SYSCLK", SUN8I_SYSCLK_CTL,
 			    SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
 };
@@ -527,17 +617,38 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
 	{ "AIF1 AD0 Left", NULL, "AIF1CLK" },
 	{ "AIF1 AD0 Right", NULL, "AIF1CLK" },
 
+	{ "AIF2 ADC Left", NULL, "AIF2 ADC Left Mixer" },
+	{ "AIF2 ADC Right", NULL, "AIF2 ADC Right Mixer" },
+
+	{ "AIF2 ADC Left", NULL, "AIF2CLK" },
+	{ "AIF2 ADC Right", NULL, "AIF2CLK" },
+
 	/* AIF "ADC" Mixer Routes */
 	{ "AIF1 AD0 Left Mixer", "AIF1 AD0 Mixer AIF1 DA0 Capture Switch", "AIF1 DA0 Left" },
+	{ "AIF1 AD0 Left Mixer", "AIF1 AD0 Mixer AIF2 DAC Capture Switch", "AIF2 DAC Left" },
 	{ "AIF1 AD0 Left Mixer", "AIF1 AD0 Mixer ADC Capture Switch", "ADC Left" },
+	{ "AIF1 AD0 Left Mixer", "AIF1 AD0 Mixer AIF2 DAC Rev Capture Switch", "AIF2 DAC Right" },
 
 	{ "AIF1 AD0 Right Mixer", "AIF1 AD0 Mixer AIF1 DA0 Capture Switch", "AIF1 DA0 Right" },
+	{ "AIF1 AD0 Right Mixer", "AIF1 AD0 Mixer AIF2 DAC Capture Switch", "AIF2 DAC Right" },
 	{ "AIF1 AD0 Right Mixer", "AIF1 AD0 Mixer ADC Capture Switch", "ADC Right" },
+	{ "AIF1 AD0 Right Mixer", "AIF1 AD0 Mixer AIF2 DAC Rev Capture Switch", "AIF2 DAC Left" },
+
+	{ "AIF2 ADC Left Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0 Left" },
+	{ "AIF2 ADC Left Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DAC Right" },
+	{ "AIF2 ADC Left Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADC Left" },
+
+	{ "AIF2 ADC Right Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0 Right" },
+	{ "AIF2 ADC Right Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DAC Left" },
+	{ "AIF2 ADC Right Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADC Right" },
 
 	/* AIF "DAC" Input Routes */
 	{ "AIF1 DA0 Left", NULL, "AIF1CLK" },
 	{ "AIF1 DA0 Right", NULL, "AIF1CLK" },
 
+	{ "AIF2 DAC Left", NULL, "AIF2CLK" },
+	{ "AIF2 DAC Right", NULL, "AIF2CLK" },
+
 	/* Main DAC Output Routes */
 	{ "DAC Left", NULL, "DAC Left Mixer" },
 	{ "DAC Right", NULL, "DAC Right Mixer" },
@@ -547,9 +658,11 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
 
 	/* Main DAC Mixer Routes */
 	{ "DAC Left Mixer", "DAC Mixer AIF1 DA0 Playback Switch", "AIF1 DA0 Left" },
+	{ "DAC Left Mixer", "DAC Mixer AIF2 DAC Playback Switch", "AIF2 DAC Left" },
 	{ "DAC Left Mixer", "DAC Mixer ADC Playback Switch", "ADC Left" },
 
 	{ "DAC Right Mixer", "DAC Mixer AIF1 DA0 Playback Switch", "AIF1 DA0 Right" },
+	{ "DAC Right Mixer", "DAC Mixer AIF2 DAC Playback Switch", "AIF2 DAC Right" },
 	{ "DAC Right Mixer", "DAC Mixer ADC Playback Switch", "ADC Right" },
 
 	/* Main ADC Input Routes */
@@ -562,16 +675,23 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
 	{ "AIF1 DA0 Left", NULL, "RST AIF1" },
 	{ "AIF1 DA0 Right", NULL, "RST AIF1" },
 
+	{ "AIF2 ADC Left", NULL, "RST AIF2" },
+	{ "AIF2 ADC Right", NULL, "RST AIF2" },
+	{ "AIF2 DAC Left", NULL, "RST AIF2" },
+	{ "AIF2 DAC Right", NULL, "RST AIF2" },
+
 	{ "ADC", NULL, "RST ADC" },
 	{ "DAC", NULL, "RST DAC" },
 
 	/* Module Reset Routes */
 	{ "RST AIF1", NULL, "MODCLK AIF1" },
+	{ "RST AIF2", NULL, "MODCLK AIF2" },
 	{ "RST ADC", NULL, "MODCLK ADC" },
 	{ "RST DAC", NULL, "MODCLK DAC" },
 
 	/* Module Clock Routes */
 	{ "MODCLK AIF1", NULL, "SYSCLK" },
+	{ "MODCLK AIF2", NULL, "SYSCLK" },
 	{ "MODCLK ADC", NULL, "SYSCLK" },
 	{ "MODCLK DAC", NULL, "SYSCLK" },
 
@@ -588,6 +708,11 @@ static int sun8i_codec_component_probe(struct snd_soc_component *component)
 			   SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK,
 			   SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL);
 
+	/* Set AIF2CLK clock source to PLL */
+	regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
+			   SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK,
+			   SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL);
+
 	/* Set SYSCLK clock source to AIF1CLK */
 	regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
 			   BIT(SUN8I_SYSCLK_CTL_SYSCLK_SRC),
-- 
2.24.1



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