path: root/sound/soc/sunxi/sun8i-codec-analog.c

/*
 * This driver supports the analog controls for the internal codec
 * found in Allwinner's A31s, A23, A33 and H3 SoCs.
 *
 * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>

#include "sun8i-adda-pr-regmap.h"

/* Codec analog control register offsets and bit fields */
#define SUN8I_ADDA_HP_VOLC		0x00
#define SUN8I_ADDA_HP_VOLC_PA_CLK_GATE		7
#define SUN8I_ADDA_HP_VOLC_HP_VOL		0
#define SUN8I_ADDA_LOMIXSC		0x01
#define SUN8I_ADDA_LOMIXSC_MIC1			6
#define SUN8I_ADDA_LOMIXSC_MIC2			5
#define SUN8I_ADDA_LOMIXSC_PHONE		4
#define SUN8I_ADDA_LOMIXSC_PHONEN		3
#define SUN8I_ADDA_LOMIXSC_LINEINL		2
#define SUN8I_ADDA_LOMIXSC_DACL			1
#define SUN8I_ADDA_LOMIXSC_DACR			0
#define SUN8I_ADDA_ROMIXSC		0x02
#define SUN8I_ADDA_ROMIXSC_MIC1			6
#define SUN8I_ADDA_ROMIXSC_MIC2			5
#define SUN8I_ADDA_ROMIXSC_PHONE		4
#define SUN8I_ADDA_ROMIXSC_PHONEP		3
#define SUN8I_ADDA_ROMIXSC_LINEINR		2
#define SUN8I_ADDA_ROMIXSC_DACR			1
#define SUN8I_ADDA_ROMIXSC_DACL			0
#define SUN8I_ADDA_DAC_PA_SRC		0x03
#define SUN8I_ADDA_DAC_PA_SRC_DACAREN		7
#define SUN8I_ADDA_DAC_PA_SRC_DACALEN		6
#define SUN8I_ADDA_DAC_PA_SRC_RMIXEN		5
#define SUN8I_ADDA_DAC_PA_SRC_LMIXEN		4
#define SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE		3
#define SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE		2
#define SUN8I_ADDA_DAC_PA_SRC_RHPIS		1
#define SUN8I_ADDA_DAC_PA_SRC_LHPIS		0
#define SUN8I_ADDA_PHONEIN_GCTRL	0x04
#define SUN8I_ADDA_PHONEIN_GCTRL_PHONEPG	4
#define SUN8I_ADDA_PHONEIN_GCTRL_PHONENG	0
#define SUN8I_ADDA_LINEIN_GCTRL		0x05
#define SUN8I_ADDA_LINEIN_GCTRL_LINEING		4
#define SUN8I_ADDA_LINEIN_GCTRL_PHONEG		0
#define SUN8I_ADDA_MICIN_GCTRL		0x06
#define SUN8I_ADDA_MICIN_GCTRL_MIC1G		4
#define SUN8I_ADDA_MICIN_GCTRL_MIC2G		0
#define SUN8I_ADDA_PAEN_HP_CTRL		0x07
#define SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN		7
#define SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN	7	/* H3 specific */
#define SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC	5
#define SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN		4
#define SUN8I_ADDA_PAEN_HP_CTRL_PA_ANTI_POP_CTRL	2
#define SUN8I_ADDA_PAEN_HP_CTRL_LTRNMUTE	1
#define SUN8I_ADDA_PAEN_HP_CTRL_RTLNMUTE	0
#define SUN8I_ADDA_PHONEOUT_CTRL	0x08
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTG	5
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTEN	4
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC1	3
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC2	2
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_RMIX	1
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_LMIX	0
#define SUN8I_ADDA_PHONE_GAIN_CTRL	0x09
#define SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL	3
#define SUN8I_ADDA_PHONE_GAIN_CTRL_PHONEPREG	0
#define SUN8I_ADDA_MIC2G_CTRL		0x0a
#define SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN		7
#define SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST		4
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN	3
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN	2
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC	1
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC	0
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL	0x0b
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN	7
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN	6
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIAS_MODE	5
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN		3
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST		0
#define SUN8I_ADDA_LADCMIXSC		0x0c
#define SUN8I_ADDA_LADCMIXSC_MIC1		6
#define SUN8I_ADDA_LADCMIXSC_MIC2		5
#define SUN8I_ADDA_LADCMIXSC_PHONE		4
#define SUN8I_ADDA_LADCMIXSC_PHONEN		3
#define SUN8I_ADDA_LADCMIXSC_LINEINL		2
#define SUN8I_ADDA_LADCMIXSC_OMIXRL		1
#define SUN8I_ADDA_LADCMIXSC_OMIXRR		0
#define SUN8I_ADDA_RADCMIXSC		0x0d
#define SUN8I_ADDA_RADCMIXSC_MIC1		6
#define SUN8I_ADDA_RADCMIXSC_MIC2		5
#define SUN8I_ADDA_RADCMIXSC_PHONE		4
#define SUN8I_ADDA_RADCMIXSC_PHONEP		3
#define SUN8I_ADDA_RADCMIXSC_LINEINR		2
#define SUN8I_ADDA_RADCMIXSC_OMIXR		1
#define SUN8I_ADDA_RADCMIXSC_OMIXL		0
#define SUN8I_ADDA_RES			0x0e
#define SUN8I_ADDA_RES_MMICBIAS_SEL		4
#define SUN8I_ADDA_RES_PA_ANTI_POP_CTRL		0
#define SUN8I_ADDA_ADC_AP_EN		0x0f
#define SUN8I_ADDA_ADC_AP_EN_ADCREN		7
#define SUN8I_ADDA_ADC_AP_EN_ADCLEN		6
#define SUN8I_ADDA_ADC_AP_EN_ADCG		0

/* mixer controls */
static const struct snd_kcontrol_new sun8i_codec_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
	SOC_DAPM_DOUBLE_R("Line In Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_LINEINL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic2 Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_MIC2, 1, 0),
};

/* mixer controls */
static const struct snd_kcontrol_new sun8i_v3s_codec_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
};

/* ADC mixer controls */
static const struct snd_kcontrol_new sun8i_codec_adc_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
	SOC_DAPM_DOUBLE_R("Line In Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_LINEINL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic2 Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_MIC2, 1, 0),
};

/* ADC mixer controls */
static const struct snd_kcontrol_new sun8i_v3s_codec_adc_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
};

/* volume / mute controls */
static const DECLARE_TLV_DB_SCALE(sun8i_codec_out_mixer_pregain_scale,
				  -450, 150, 0);
static const DECLARE_TLV_DB_RANGE(sun8i_codec_mic_gain_scale,
	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
	1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
);

static const struct snd_kcontrol_new sun8i_codec_common_controls[] = {
	/* Mixer pre-gain */
	SOC_SINGLE_TLV("Mic1 Playback Volume", SUN8I_ADDA_MICIN_GCTRL,
		       SUN8I_ADDA_MICIN_GCTRL_MIC1G,
		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),

	/* Microphone Amp boost gain */
	SOC_SINGLE_TLV("Mic1 Boost Volume", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
		       SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST, 0x7, 0,
		       sun8i_codec_mic_gain_scale),

	/* ADC */
	SOC_SINGLE_TLV("ADC Gain Capture Volume", SUN8I_ADDA_ADC_AP_EN,
		       SUN8I_ADDA_ADC_AP_EN_ADCG, 0x7, 0,
		       sun8i_codec_out_mixer_pregain_scale),
};

static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
	/* ADC */
	SND_SOC_DAPM_ADC("Left ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
			 SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0),
	SND_SOC_DAPM_ADC("Right ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
			 SUN8I_ADDA_ADC_AP_EN_ADCREN, 0),

	/* DAC */
	SND_SOC_DAPM_DAC("Left DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
			 SUN8I_ADDA_DAC_PA_SRC_DACALEN, 0),
	SND_SOC_DAPM_DAC("Right DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
			 SUN8I_ADDA_DAC_PA_SRC_DACAREN, 0),
	/*
	 * Due to this component and the codec belonging to separate DAPM
	 * contexts, we need to manually link the above widgets to their
	 * stream widgets at the card level.
	 */

	/* Microphone input */
	SND_SOC_DAPM_INPUT("MIC1"),

	/* Mic input path */
	SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL