Unverified Commit 1fe08602 authored by Luca Weiss's avatar Luca Weiss Committed by Mark Brown
Browse files

ASoC: sunxi: sun50i-codec-analog: Add earpiece 



This adds the necessary registers and audio routes to play audio using
the Earpiece, that's supported on the A64.

Signed-off-by: default avatarLuca Weiss <luca@z3ntu.xyz>
Reviewed-by: default avatarChen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20190703184814.27191-1-luca@z3ntu.xyz


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 590eb2f4

sound/soc/sunxi/sun50i-codec-analog.c

+50 −0
Original line number Diff line number Diff line
@@ -49,6 +49,15 @@ 
#define SUN50I_ADDA_OR_MIX_CTRL_DACR		1

#define SUN50I_ADDA_OR_MIX_CTRL_DACL		0



#define SUN50I_ADDA_EARPIECE_CTRL0	0x03

#define SUN50I_ADDA_EARPIECE_CTRL0_EAR_RAMP_TIME	4

#define SUN50I_ADDA_EARPIECE_CTRL0_ESPSR		0



#define SUN50I_ADDA_EARPIECE_CTRL1	0x04

#define SUN50I_ADDA_EARPIECE_CTRL1_ESPPA_EN	7

#define SUN50I_ADDA_EARPIECE_CTRL1_ESPPA_MUTE	6

#define SUN50I_ADDA_EARPIECE_CTRL1_ESP_VOL	0



#define SUN50I_ADDA_LINEOUT_CTRL0	0x05

#define SUN50I_ADDA_LINEOUT_CTRL0_LEN		7

#define SUN50I_ADDA_LINEOUT_CTRL0_REN		6
@@ -172,6 +181,10 @@ static const DECLARE_TLV_DB_RANGE(sun50i_codec_lineout_vol_scale, 
	2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),

);



static const DECLARE_TLV_DB_RANGE(sun50i_codec_earpiece_vol_scale,

	0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),

	2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),

);



/* volume / mute controls */

static const struct snd_kcontrol_new sun50i_a64_codec_controls[] = {
@@ -225,6 +238,15 @@ static const struct snd_kcontrol_new sun50i_a64_codec_controls[] = { 
		   SUN50I_ADDA_LINEOUT_CTRL0_LEN,

		   SUN50I_ADDA_LINEOUT_CTRL0_REN, 1, 0),



	SOC_SINGLE_TLV("Earpiece Playback Volume",

		       SUN50I_ADDA_EARPIECE_CTRL1,

		       SUN50I_ADDA_EARPIECE_CTRL1_ESP_VOL, 0x1f, 0,

		       sun50i_codec_earpiece_vol_scale),



	SOC_SINGLE("Earpiece Playback Switch",

		   SUN50I_ADDA_EARPIECE_CTRL1,

		   SUN50I_ADDA_EARPIECE_CTRL1_ESPPA_MUTE, 1, 0),



};



static const char * const sun50i_codec_hp_src_enum_text[] = {
@@ -257,6 +279,20 @@ static const struct snd_kcontrol_new sun50i_codec_lineout_src[] = { 
		      sun50i_codec_lineout_src_enum),

};



static const char * const sun50i_codec_earpiece_src_enum_text[] = {

	"DACR", "DACL", "Right Mixer", "Left Mixer",

};



static SOC_ENUM_SINGLE_DECL(sun50i_codec_earpiece_src_enum,

			    SUN50I_ADDA_EARPIECE_CTRL0,

			    SUN50I_ADDA_EARPIECE_CTRL0_ESPSR,

			    sun50i_codec_earpiece_src_enum_text);



static const struct snd_kcontrol_new sun50i_codec_earpiece_src[] = {

	SOC_DAPM_ENUM("Earpiece Source Playback Route",

		      sun50i_codec_earpiece_src_enum),

};



static const struct snd_soc_dapm_widget sun50i_a64_codec_widgets[] = {

	/* DAC */

	SND_SOC_DAPM_DAC("Left DAC", NULL, SUN50I_ADDA_MIX_DAC_CTRL,
@@ -285,6 +321,12 @@ static const struct snd_soc_dapm_widget sun50i_a64_codec_widgets[] = { 
			 SND_SOC_NOPM, 0, 0, sun50i_codec_lineout_src),

	SND_SOC_DAPM_OUTPUT("LINEOUT"),



	SND_SOC_DAPM_MUX("Earpiece Source Playback Route",

			 SND_SOC_NOPM, 0, 0, sun50i_codec_earpiece_src),

	SND_SOC_DAPM_OUT_DRV("Earpiece Amp", SUN50I_ADDA_EARPIECE_CTRL1,

			     SUN50I_ADDA_EARPIECE_CTRL1_ESPPA_EN, 0, NULL, 0),

	SND_SOC_DAPM_OUTPUT("EARPIECE"),



	/* Microphone inputs */

	SND_SOC_DAPM_INPUT("MIC1"),
@@ -388,6 +430,14 @@ static const struct snd_soc_dapm_route sun50i_a64_codec_routes[] = { 
	{ "Line Out Source Playback Route", "Mono Differential",

		"Right Mixer" },

	{ "LINEOUT", NULL, "Line Out Source Playback Route" },



	/* Earpiece Routes */

	{ "Earpiece Source Playback Route", "DACL", "Left DAC" },

	{ "Earpiece Source Playback Route", "DACR", "Right DAC" },

	{ "Earpiece Source Playback Route", "Left Mixer", "Left Mixer" },

	{ "Earpiece Source Playback Route", "Right Mixer", "Right Mixer" },

	{ "Earpiece Amp", NULL, "Earpiece Source Playback Route" },

	{ "EARPIECE", NULL, "Earpiece Amp" },

};



static const struct snd_soc_component_driver sun50i_codec_analog_cmpnt_drv = {

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