Add ADC support for the sun8i-codec driver.
This driver uses microphones widgets and routes provided by the analog part (sun8i-codec-analog). Some digital configurations are needed by creating new ADC widgets and routes.
Signed-off-by: Mylène Josserand mylene.josserand@free-electrons.com --- sound/soc/sunxi/sun8i-codec.c | 82 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 80 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c index 3dd183be08a4..7a15df924316 100644 --- a/sound/soc/sunxi/sun8i-codec.c +++ b/sound/soc/sunxi/sun8i-codec.c @@ -37,9 +37,11 @@ #define SUN8I_SYSCLK_CTL_SYSCLK_SRC 0 #define SUN8I_MOD_CLK_ENA 0x010 #define SUN8I_MOD_CLK_ENA_AIF1 15 +#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_ADC 3 #define SUN8I_MOD_RST_CTL_DAC 2 #define SUN8I_SYS_SR_CTRL 0x018 #define SUN8I_SYS_SR_CTRL_AIF1_FS 12 @@ -54,9 +56,25 @@ #define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ 4 #define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_16 (1 << 4) #define SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT 2 +#define SUN8I_AIF1_ADCDAT_CTRL 0x044 +#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0L_ENA 15 +#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0R_ENA 14 #define SUN8I_AIF1_DACDAT_CTRL 0x048 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA 15 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA 14 +#define SUN8I_AIF1_MXR_SRC 0x04c +#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF1DA0L 15 +#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACL 14 +#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_ADCL 13 +#define SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACR 12 +#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R 11 +#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_ADC_DIG_CTRL 0x100 +#define SUN8I_ADC_DIG_CTRL_ENDA 15 +#define SUN8I_ADC_DIG_CTRL_ADOUT_DTS 2 +#define SUN8I_ADC_DIG_CTRL_ADOUT_DLY 1 #define SUN8I_DAC_DIG_CTRL 0x120 #define SUN8I_DAC_DIG_CTRL_ENDA 15 #define SUN8I_DAC_MXR_SRC 0x130 @@ -338,10 +356,30 @@ static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = { SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0), };
+static const struct snd_kcontrol_new sun8i_input_mixer_controls[] = { + SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch", + SUN8I_AIF1_MXR_SRC, + SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF1DA0L, + SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0), + SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch", SUN8I_AIF1_MXR_SRC, + SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACL, + SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0), + SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch", + SUN8I_AIF1_MXR_SRC, + SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_ADCL, + SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0), + SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch", + SUN8I_AIF1_MXR_SRC, + SUN8I_AIF1_MXR_SRC_AD0L_MXL_SRC_AIF2DACR, + SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0), +}; + static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { - /* Digital parts of the DACs */ + /* Digital parts of the DACs and ADC */ SND_SOC_DAPM_SUPPLY("DAC", SUN8I_DAC_DIG_CTRL, SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("ADC", SUN8I_ADC_DIG_CTRL, SUN8I_ADC_DIG_CTRL_ENDA, + 0, NULL, 0),
/* Analog DAC AIF */ SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Left", "Playback", 0, @@ -351,17 +389,31 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { SUN8I_AIF1_DACDAT_CTRL, SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
- /* DAC Mixers */ + /* Analog ADC AIF */ + SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Left ADC", "Capture", 0, + SUN8I_AIF1_ADCDAT_CTRL, + SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0L_ENA, 0), + SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Right ADC", "Capture", 0, + SUN8I_AIF1_ADCDAT_CTRL, + SUN8I_AIF1_ADCDAT_CTRL_AIF1_DA0R_ENA, 0), + + /* DAC and ADC Mixers */ SOC_MIXER_ARRAY("Left Digital DAC Mixer", SND_SOC_NOPM, 0, 0, sun8i_dac_mixer_controls), SOC_MIXER_ARRAY("Right Digital DAC Mixer", SND_SOC_NOPM, 0, 0, sun8i_dac_mixer_controls), + SOC_MIXER_ARRAY("Left Digital ADC Mixer", SND_SOC_NOPM, 0, 0, + sun8i_input_mixer_controls), + SOC_MIXER_ARRAY("Right Digital ADC Mixer", SND_SOC_NOPM, 0, 0, + sun8i_input_mixer_controls),
/* Clocks */ SND_SOC_DAPM_SUPPLY("MODCLK AFI1", SUN8I_MOD_CLK_ENA, SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("MODCLK DAC", SUN8I_MOD_CLK_ENA, SUN8I_MOD_CLK_ENA_DAC, 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("AIF1", SUN8I_SYSCLK_CTL, SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("SYSCLK", SUN8I_SYSCLK_CTL, @@ -378,6 +430,12 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("RST DAC", SUN8I_MOD_RST_CTL, SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("RST ADC", SUN8I_MOD_RST_CTL, + SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0), + + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("Mic", NULL), + };
static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { @@ -387,11 +445,16 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { { "RST AIF1", NULL, "AIF1 PLL" }, { "MODCLK AFI1", NULL, "RST AIF1" }, { "DAC", NULL, "MODCLK AFI1" }, + { "ADC", NULL, "MODCLK AFI1" },
{ "RST DAC", NULL, "SYSCLK" }, { "MODCLK DAC", NULL, "RST DAC" }, { "DAC", NULL, "MODCLK DAC" },
+ { "RST ADC", NULL, "SYSCLK" }, + { "MODCLK ADC", NULL, "RST ADC" }, + { "ADC", NULL, "MODCLK ADC" }, + /* DAC Routes */ { "AIF1 Slot 0 Right", NULL, "DAC" }, { "AIF1 Slot 0 Left", NULL, "DAC" }, @@ -401,6 +464,12 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { "AIF1 Slot 0 Left"}, { "Right Digital DAC Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 Slot 0 Right"}, + + /* ADC routes */ + { "Left Digital ADC Mixer", "AIF1 Data Digital ADC Capture Switch", + "AIF1 Slot 0 Left ADC" }, + { "Right Digital ADC Mixer", "AIF1 Data Digital ADC Capture Switch", + "AIF1 Slot 0 Right ADC" }, };
static const struct snd_soc_dai_ops sun8i_codec_dai_ops = { @@ -418,6 +487,15 @@ static struct snd_soc_dai_driver sun8i_codec_dai = { .rates = SNDRV_PCM_RATE_8000_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, + /* capture capabilities */ + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .sig_bits = 24, + }, /* pcm operations */ .ops = &sun8i_codec_dai_ops, };