From 18ebd62c30f0380da11d6c86e20b56c771ac1e18 Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Wed, 30 Sep 2020 21:11:30 -0500 Subject: [PATCH] ASoC: sun8i-codec: Enable AIF mono/stereo control Each left/right pair of AIF input/output channels can be swapped or combined. This is useful for sending a mono audio source to both sides of a stereo sink, or for creating complex mixing scenarios. Add the support to control this feature from userspace. Signed-off-by: Samuel Holland Acked-by: Maxime Ripard Link: https://lore.kernel.org/r/20201001021148.15852-8-samuel@sholland.org Signed-off-by: Mark Brown --- sound/soc/sunxi/sun8i-codec.c | 82 +++++++++++++++++++++++++++++++++++++++---- 1 file changed, 76 insertions(+), 6 deletions(-) diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c index 2c89974..578c0c0 100644 --- a/sound/soc/sunxi/sun8i-codec.c +++ b/sound/soc/sunxi/sun8i-codec.c @@ -54,9 +54,13 @@ #define SUN8I_AIF1_ADCDAT_CTRL 0x044 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA 15 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA 14 +#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC 10 +#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC 8 #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_DACDAT_CTRL_AIF1_DA0L_SRC 10 +#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC 8 #define SUN8I_AIF1_MXR_SRC 0x04c #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L 15 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL 14 @@ -332,6 +336,20 @@ static int sun8i_codec_hw_params(struct snd_pcm_substream *substream, return 0; } +static const char *const sun8i_aif_stereo_mux_enum_values[] = { + "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono" +}; + +static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_ad0_stereo_mux_enum, + SUN8I_AIF1_ADCDAT_CTRL, + SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC, + SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC, + sun8i_aif_stereo_mux_enum_values); + +static const struct snd_kcontrol_new sun8i_aif1_ad0_stereo_mux_control = + SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route", + sun8i_aif1_ad0_stereo_mux_enum); + static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = { SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch", SUN8I_AIF1_MXR_SRC, @@ -351,6 +369,16 @@ static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = { SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0), }; +static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_da0_stereo_mux_enum, + SUN8I_AIF1_DACDAT_CTRL, + SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC, + SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC, + sun8i_aif_stereo_mux_enum_values); + +static const struct snd_kcontrol_new sun8i_aif1_da0_stereo_mux_control = + SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route", + sun8i_aif1_da0_stereo_mux_enum); + static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = { SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC, @@ -417,12 +445,24 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { SUN8I_AIF1_ADCDAT_CTRL, SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0), + /* AIF "ADC" Mono/Stereo Muxes */ + SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0, + &sun8i_aif1_ad0_stereo_mux_control), + SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0, + &sun8i_aif1_ad0_stereo_mux_control), + /* AIF "ADC" Mixers */ SOC_MIXER_ARRAY("AIF1 AD0L Mixer", SND_SOC_NOPM, 0, 0, sun8i_aif1_ad0_mixer_controls), SOC_MIXER_ARRAY("AIF1 AD0R Mixer", SND_SOC_NOPM, 0, 0, sun8i_aif1_ad0_mixer_controls), + /* AIF "DAC" Mono/Stereo Muxes */ + SND_SOC_DAPM_MUX("AIF1 DA0L Stereo Mux", SND_SOC_NOPM, 0, 0, + &sun8i_aif1_da0_stereo_mux_control), + SND_SOC_DAPM_MUX("AIF1 DA0R Stereo Mux", SND_SOC_NOPM, 0, 0, + &sun8i_aif1_da0_stereo_mux_control), + /* AIF "DAC" Inputs */ SND_SOC_DAPM_AIF_IN("AIF1 DA0L", "Playback", 0, SUN8I_AIF1_DACDAT_CTRL, @@ -473,25 +513,55 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { { "DACR", NULL, "DAC" }, /* AIF "ADC" Output Routes */ - { "AIF1 AD0L", NULL, "AIF1 AD0L Mixer" }, - { "AIF1 AD0R", NULL, "AIF1 AD0R Mixer" }, + { "AIF1 AD0L", NULL, "AIF1 AD0L Stereo Mux" }, + { "AIF1 AD0R", NULL, "AIF1 AD0R Stereo Mux" }, + + /* AIF "ADC" Mono/Stereo Mux Routes */ + { "AIF1 AD0L Stereo Mux", "Stereo", "AIF1 AD0L Mixer" }, + { "AIF1 AD0L Stereo Mux", "Reverse Stereo", "AIF1 AD0R Mixer" }, + { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" }, + { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" }, + { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" }, + { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" }, + + { "AIF1 AD0R Stereo Mux", "Stereo", "AIF1 AD0R Mixer" }, + { "AIF1 AD0R Stereo Mux", "Reverse Stereo", "AIF1 AD0L Mixer" }, + { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" }, + { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" }, + { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" }, + { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" }, /* AIF "ADC" Mixer Routes */ - { "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L" }, + { "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L Stereo Mux" }, { "AIF1 AD0L Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCL" }, - { "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R" }, + { "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R Stereo Mux" }, { "AIF1 AD0R Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCR" }, + /* AIF "DAC" Mono/Stereo Mux Routes */ + { "AIF1 DA0L Stereo Mux", "Stereo", "AIF1 DA0L" }, + { "AIF1 DA0L Stereo Mux", "Reverse Stereo", "AIF1 DA0R" }, + { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0L" }, + { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0R" }, + { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0L" }, + { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0R" }, + + { "AIF1 DA0R Stereo Mux", "Stereo", "AIF1 DA0R" }, + { "AIF1 DA0R Stereo Mux", "Reverse Stereo", "AIF1 DA0L" }, + { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0L" }, + { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0R" }, + { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0L" }, + { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0R" }, + /* DAC Output Routes */ { "DACL", NULL, "DACL Mixer" }, { "DACR", NULL, "DACR Mixer" }, /* DAC Mixer Routes */ - { "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L" }, + { "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L Stereo Mux" }, { "DACL Mixer", "ADC Digital DAC Playback Switch", "ADCL" }, - { "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R" }, + { "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R Stereo Mux" }, { "DACR Mixer", "ADC Digital DAC Playback Switch", "ADCR" }, }; -- 2.7.4