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linux/sound/soc/codecs/da7213.c
Adam Thomson abc189eadf ASoC: da7213: Allow PLL disable/bypass when using 32KHz sysclk 
Current checking for PLL 32KHz mode fails in driver code when
bypassing the PLL. This is due to an incorrect check of PLL
source type when 32KHz clock is provided. Removal of this check
resolves the issue.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-10 19:24:19 +01:00

1819 lines
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/*
* DA7213 ALSA SoC Codec Driver
*
* Copyright (c) 2013 Dialog Semiconductor
*
* Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
* Based on DA9055 ALSA SoC codec driver.
*
* 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.
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/da7213.h>
#include "da7213.h"
/* Gain and Volume */
static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
/* -54dB */
0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
/* -52.5dB to 15dB */
0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
);
static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
/* -78dB to 12dB */
0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
);
static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
/* 0dB to 36dB */
0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
);
static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
/* ADC and DAC voice mode (8kHz) high pass cutoff value */
static const char * const da7213_voice_hpf_corner_txt[] = {
"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
};
static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
DA7213_DAC_FILTERS1,
DA7213_VOICE_HPF_CORNER_SHIFT,
da7213_voice_hpf_corner_txt);
static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
DA7213_ADC_FILTERS1,
DA7213_VOICE_HPF_CORNER_SHIFT,
da7213_voice_hpf_corner_txt);
/* ADC and DAC high pass filter cutoff value */
static const char * const da7213_audio_hpf_corner_txt[] = {
"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
};
static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
DA7213_DAC_FILTERS1
, DA7213_AUDIO_HPF_CORNER_SHIFT,
da7213_audio_hpf_corner_txt);
static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
DA7213_ADC_FILTERS1,
DA7213_AUDIO_HPF_CORNER_SHIFT,
da7213_audio_hpf_corner_txt);
/* Gain ramping rate value */
static const char * const da7213_gain_ramp_rate_txt[] = {
"nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
"nominal rate / 32"
};
static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
DA7213_GAIN_RAMP_CTRL,
DA7213_GAIN_RAMP_RATE_SHIFT,
da7213_gain_ramp_rate_txt);
/* DAC noise gate setup time value */
static const char * const da7213_dac_ng_setup_time_txt[] = {
"256 samples", "512 samples", "1024 samples", "2048 samples"
};
static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
DA7213_DAC_NG_SETUP_TIME,
DA7213_DAC_NG_SETUP_TIME_SHIFT,
da7213_dac_ng_setup_time_txt);
/* DAC noise gate rampup rate value */
static const char * const da7213_dac_ng_rampup_txt[] = {
"0.02 ms/dB", "0.16 ms/dB"
};
static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
DA7213_DAC_NG_SETUP_TIME,
DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
da7213_dac_ng_rampup_txt);
/* DAC noise gate rampdown rate value */
static const char * const da7213_dac_ng_rampdown_txt[] = {
"0.64 ms/dB", "20.48 ms/dB"
};
static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
DA7213_DAC_NG_SETUP_TIME,
DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
da7213_dac_ng_rampdown_txt);
/* DAC soft mute rate value */
static const char * const da7213_dac_soft_mute_rate_txt[] = {
"1", "2", "4", "8", "16", "32", "64"
};
static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
DA7213_DAC_FILTERS5,
DA7213_DAC_SOFTMUTE_RATE_SHIFT,
da7213_dac_soft_mute_rate_txt);
/* ALC Attack Rate select */
static const char * const da7213_alc_attack_rate_txt[] = {
"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
};
static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
DA7213_ALC_CTRL2,
DA7213_ALC_ATTACK_SHIFT,
da7213_alc_attack_rate_txt);
/* ALC Release Rate select */
static const char * const da7213_alc_release_rate_txt[] = {
"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
};
static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
DA7213_ALC_CTRL2,
DA7213_ALC_RELEASE_SHIFT,
da7213_alc_release_rate_txt);
/* ALC Hold Time select */
static const char * const da7213_alc_hold_time_txt[] = {
"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
};
static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
DA7213_ALC_CTRL3,
DA7213_ALC_HOLD_SHIFT,
da7213_alc_hold_time_txt);
/* ALC Input Signal Tracking rate select */
static const char * const da7213_alc_integ_rate_txt[] = {
"1/4", "1/16", "1/256", "1/65536"
};
static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
DA7213_ALC_CTRL3,
DA7213_ALC_INTEG_ATTACK_SHIFT,
da7213_alc_integ_rate_txt);
static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
DA7213_ALC_CTRL3,
DA7213_ALC_INTEG_RELEASE_SHIFT,
da7213_alc_integ_rate_txt);
/*
* Control Functions
*/
static int da7213_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
{
int mid_data, top_data;
int sum = 0;
u8 iteration;
for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
iteration++) {
/* Select the left or right channel and capture data */
snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
/* Select middle 8 bits for read back from data register */
snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_MIDDLE);
mid_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
/* Select top 8 bits for read back from data register */
snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_TOP);
top_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
sum += ((mid_data << 8) | (top_data << 16));
}
return sum / DA7213_ALC_AVG_ITERATIONS;
}
static void da7213_alc_calib_man(struct snd_soc_codec *codec)
{
u8 reg_val;
int avg_left_data, avg_right_data, offset_l, offset_r;
/* Calculate average for Left and Right data */
/* Left Data */
avg_left_data = da7213_get_alc_data(codec,
DA7213_ALC_CIC_OP_CHANNEL_LEFT);
/* Right Data */
avg_right_data = da7213_get_alc_data(codec,
DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
/* Calculate DC offset */
offset_l = -avg_left_data;
offset_r = -avg_right_data;
reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
/* Enable analog/digital gain mode & offset cancellation */
snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
}
static void da7213_alc_calib_auto(struct snd_soc_codec *codec)
{
u8 alc_ctrl1;
/* Begin auto calibration and wait for completion */
snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
DA7213_ALC_AUTO_CALIB_EN);
do {
alc_ctrl1 = snd_soc_read(codec, DA7213_ALC_CTRL1);
} while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
/* If auto calibration fails, fall back to digital gain only mode */
if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
dev_warn(codec->dev,
"ALC auto calibration failed with overflow\n");
snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
0);
} else {
/* Enable analog/digital gain mode & offset cancellation */
snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
}
}
static void da7213_alc_calib(struct snd_soc_codec *codec)
{
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
u8 adc_l_ctrl, adc_r_ctrl;
u8 mixin_l_sel, mixin_r_sel;
u8 mic_1_ctrl, mic_2_ctrl;
/* Save current values from ADC control registers */
adc_l_ctrl = snd_soc_read(codec, DA7213_ADC_L_CTRL);
adc_r_ctrl = snd_soc_read(codec, DA7213_ADC_R_CTRL);
/* Save current values from MIXIN_L/R_SELECT registers */
mixin_l_sel = snd_soc_read(codec, DA7213_MIXIN_L_SELECT);
mixin_r_sel = snd_soc_read(codec, DA7213_MIXIN_R_SELECT);
/* Save current values from MIC control registers */
mic_1_ctrl = snd_soc_read(codec, DA7213_MIC_1_CTRL);
mic_2_ctrl = snd_soc_read(codec, DA7213_MIC_2_CTRL);
/* Enable ADC Left and Right */
snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
DA7213_ADC_EN);
snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
DA7213_ADC_EN);
/* Enable MIC paths */
snd_soc_update_bits(codec, DA7213_MIXIN_L_SELECT,
DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
DA7213_MIXIN_L_MIX_SELECT_MIC_2,
DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
DA7213_MIXIN_L_MIX_SELECT_MIC_2);
snd_soc_update_bits(codec, DA7213_MIXIN_R_SELECT,
DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
DA7213_MIXIN_R_MIX_SELECT_MIC_1,
DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
DA7213_MIXIN_R_MIX_SELECT_MIC_1);
/* Mute MIC PGAs */
snd_soc_update_bits(codec, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
DA7213_MUTE_EN);
snd_soc_update_bits(codec, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
DA7213_MUTE_EN);
/* Perform calibration */
if (da7213->alc_calib_auto)
da7213_alc_calib_auto(codec);
else
da7213_alc_calib_man(codec);
/* Restore MIXIN_L/R_SELECT registers to their original states */
snd_soc_write(codec, DA7213_MIXIN_L_SELECT, mixin_l_sel);
snd_soc_write(codec, DA7213_MIXIN_R_SELECT, mixin_r_sel);
/* Restore ADC control registers to their original states */
snd_soc_write(codec, DA7213_ADC_L_CTRL, adc_l_ctrl);
snd_soc_write(codec, DA7213_ADC_R_CTRL, adc_r_ctrl);
/* Restore original values of MIC control registers */
snd_soc_write(codec, DA7213_MIC_1_CTRL, mic_1_ctrl);
snd_soc_write(codec, DA7213_MIC_2_CTRL, mic_2_ctrl);
}
static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
int ret;
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
/* If ALC in operation, make sure calibrated offsets are updated */
if ((!ret) && (da7213->alc_en))
da7213_alc_calib(codec);
return ret;
}
static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
/* Force ALC offset calibration if enabling ALC */
if (ucontrol->value.integer.value[0] ||
ucontrol->value.integer.value[1]) {
if (!da7213->alc_en) {
da7213_alc_calib(codec);
da7213->alc_en = true;
}
} else {
da7213->alc_en = false;
}
return snd_soc_put_volsw(kcontrol, ucontrol);
}
/*
* KControls
*/
static const struct snd_kcontrol_new da7213_snd_controls[] = {
/* Volume controls */
SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
DA7213_NO_INVERT, mic_vol_tlv),
SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
DA7213_NO_INVERT, mic_vol_tlv),
SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
DA7213_NO_INVERT, aux_vol_tlv),
SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
snd_soc_get_volsw_2r, da7213_put_mixin_gain,
mixin_gain_tlv),
SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
DA7213_NO_INVERT, digital_gain_tlv),
SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
DA7213_NO_INVERT, digital_gain_tlv),
SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
DA7213_NO_INVERT, hp_vol_tlv),
SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
DA7213_NO_INVERT, lineout_vol_tlv),
/* DAC Equalizer controls */
SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
DA7213_NO_INVERT, eq_gain_tlv),
SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
DA7213_NO_INVERT, eq_gain_tlv),
SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
DA7213_NO_INVERT, eq_gain_tlv),
SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
DA7213_NO_INVERT, eq_gain_tlv),
SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
DA7213_NO_INVERT, eq_gain_tlv),
/* High Pass Filter and Voice Mode controls */
SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
DA7213_NO_INVERT),
SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
DA7213_NO_INVERT),
SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
/* Mute controls */
SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
DA7213_MUTE_EN_MAX, DA7213_INVERT),
SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
DA7213_MUTE_EN_MAX, DA7213_INVERT),
SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
DA7213_MUTE_EN_MAX, DA7213_INVERT),
SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
DA7213_MUTE_EN_MAX, DA7213_INVERT),
SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
DA7213_NO_INVERT),
SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
/* Zero Cross controls */
SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
DA7213_NO_INVERT),
SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
/* Gain Ramping controls */
SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
DA7213_NO_INVERT),
SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
/* DAC Noise Gate controls */
SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
DA7213_NO_INVERT),
SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
DA7213_NO_INVERT),
/* DAC Routing & Inversion */
SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
DA7213_NO_INVERT),
/* DMIC controls */
SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
/* ALC Controls */
SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
/*
* Rate at which input signal envelope is tracked as the signal gets
* larger
*/
SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
/*
* Rate at which input signal envelope is tracked as the signal gets
* smaller
*/
SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
DA7213_INVERT, alc_threshold_tlv),
SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
DA7213_INVERT, alc_threshold_tlv),
SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
DA7213_INVERT, alc_threshold_tlv),
SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
DA7213_ALC_ATTEN_MAX_SHIFT,
DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
alc_gain_tlv),
SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
DA7213_NO_INVERT, alc_gain_tlv),
SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
DA7213_NO_INVERT, alc_analog_gain_tlv),
SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
DA7213_NO_INVERT, alc_analog_gain_tlv),
SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
DA7213_NO_INVERT),
SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
};
/*
* DAPM
*/
/*
* Enums
*/
/* MIC PGA source select */
static const char * const da7213_mic_amp_in_sel_txt[] = {
"Differential", "MIC_P", "MIC_N"
};
static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
DA7213_MIC_1_CTRL,
DA7213_MIC_AMP_IN_SEL_SHIFT,
da7213_mic_amp_in_sel_txt);
static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
DA7213_MIC_2_CTRL,
DA7213_MIC_AMP_IN_SEL_SHIFT,
da7213_mic_amp_in_sel_txt);
static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
/* DAI routing select */
static const char * const da7213_dai_src_txt[] = {
"ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
};
static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
DA7213_DIG_ROUTING_DAI,
DA7213_DAI_L_SRC_SHIFT,
da7213_dai_src_txt);
static const struct snd_kcontrol_new da7213_dai_l_src_mux =
SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
DA7213_DIG_ROUTING_DAI,
DA7213_DAI_R_SRC_SHIFT,
da7213_dai_src_txt);
static const struct snd_kcontrol_new da7213_dai_r_src_mux =
SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
/* DAC routing select */
static const char * const da7213_dac_src_txt[] = {
"ADC Output Left", "ADC Output Right", "DAI Input Left",
"DAI Input Right"
};
static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
DA7213_DIG_ROUTING_DAC,
DA7213_DAC_L_SRC_SHIFT,
da7213_dac_src_txt);
static const struct snd_kcontrol_new da7213_dac_l_src_mux =
SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
DA7213_DIG_ROUTING_DAC,
DA7213_DAC_R_SRC_SHIFT,
da7213_dac_src_txt);
static const struct snd_kcontrol_new da7213_dac_r_src_mux =
SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
/*
* Mixer Controls
*/
/* Mixin Left */
static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
};
/* Mixin Right */
static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
};
/* Mixout Left */
static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
};
/* Mixout Right */
static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
};
/*
* DAPM Events
*/
static int da7213_dai_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
u8 pll_ctrl, pll_status;
int i = 0;
bool srm_lock = false;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* Enable DAI clks for master mode */
if (da7213->master)
snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
DA7213_DAI_CLK_EN_MASK,
DA7213_DAI_CLK_EN_MASK);
/* PC synchronised to DAI */
snd_soc_update_bits(codec, DA7213_PC_COUNT,
DA7213_PC_FREERUN_MASK, 0);
/* Slave mode, if SRM not enabled no need for status checks */
pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL);
if (!(pll_ctrl & DA7213_PLL_SRM_EN))
return 0;
/* Check SRM has locked */
do {
pll_status = snd_soc_read(codec, DA7213_PLL_STATUS);
if (pll_status & DA7219_PLL_SRM_LOCK) {
srm_lock = true;
} else {
++i;
msleep(50);
}
} while ((i < DA7213_SRM_CHECK_RETRIES) & (!srm_lock));
if (!srm_lock)
dev_warn(codec->dev, "SRM failed to lock\n");
return 0;
case SND_SOC_DAPM_POST_PMD:
/* PC free-running */
snd_soc_update_bits(codec, DA7213_PC_COUNT,
DA7213_PC_FREERUN_MASK,
DA7213_PC_FREERUN_MASK);
/* Disable DAI clks if in master mode */
if (da7213->master)
snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
DA7213_DAI_CLK_EN_MASK, 0);
return 0;
default:
return -EINVAL;
}
}
/*
* DAPM widgets
*/
static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
/*
* Input & Output
*/
/* Use a supply here as this controls both input & output DAIs */
SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
DA7213_NO_INVERT, da7213_dai_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
/*
* Input
*/
/* Input Lines */
SND_SOC_DAPM_INPUT("MIC1"),
SND_SOC_DAPM_INPUT("MIC2"),
SND_SOC_DAPM_INPUT("AUXL"),
SND_SOC_DAPM_INPUT("AUXR"),
/* MUXs for Mic PGA source selection */
SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
&da7213_mic_1_amp_in_sel_mux),
SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
&da7213_mic_2_amp_in_sel_mux),
/* Input PGAs */
SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
/* Mic Biases */
SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
NULL, 0),
SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
NULL, 0),
/* Input Mixers */
SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
&da7213_dapm_mixinl_controls[0],
ARRAY_SIZE(da7213_dapm_mixinl_controls)),
SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
&da7213_dapm_mixinr_controls[0],
ARRAY_SIZE(da7213_dapm_mixinr_controls)),
/* ADCs */
SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
/* DAI */
SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
&da7213_dai_l_src_mux),
SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
&da7213_dai_r_src_mux),
SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
/*
* Output
*/
/* DAI */
SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
&da7213_dac_l_src_mux),
SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
&da7213_dac_r_src_mux),
/* DACs */
SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
/* Output Mixers */
SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
&da7213_dapm_mixoutl_controls[0],
ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
&da7213_dapm_mixoutr_controls[0],
ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
/* Output PGAs */
SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
/* Charge Pump */
SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
DA7213_NO_INVERT, NULL, 0),
/* Output Lines */
SND_SOC_DAPM_OUTPUT("HPL"),
SND_SOC_DAPM_OUTPUT("HPR"),
SND_SOC_DAPM_OUTPUT("LINE"),
};
/*
* DAPM audio route definition
*/
static const struct snd_soc_dapm_route da7213_audio_map[] = {
/* Dest Connecting Widget source */
/* Input path */
{"MIC1", NULL, "Mic Bias 1"},
{"MIC2", NULL, "Mic Bias 2"},
{"Mic 1 Amp Source MUX", "Differential", "MIC1"},
{"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
{"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
{"Mic 2 Amp Source MUX", "Differential", "MIC2"},
{"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
{"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
{"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
{"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
{"Aux Left PGA", NULL, "AUXL"},
{"Aux Right PGA", NULL, "AUXR"},
{"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
{"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
{"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
{"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
{"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
{"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
{"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
{"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
{"Mixin Left PGA", NULL, "Mixin Left"},
{"ADC Left", NULL, "Mixin Left PGA"},
{"Mixin Right PGA", NULL, "Mixin Right"},
{"ADC Right", NULL, "Mixin Right PGA"},
{"DAI Left Source MUX", "ADC Left", "ADC Left"},
{"DAI Left Source MUX", "ADC Right", "ADC Right"},
{"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
{"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
{"DAI Right Source MUX", "ADC Left", "ADC Left"},
{"DAI Right Source MUX", "ADC Right", "ADC Right"},
{"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
{"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
{"DAIOUTL", NULL, "DAI Left Source MUX"},
{"DAIOUTR", NULL, "DAI Right Source MUX"},
{"DAIOUTL", NULL, "DAI"},
{"DAIOUTR", NULL, "DAI"},
/* Output path */
{"DAIINL", NULL, "DAI"},
{"DAIINR", NULL, "DAI"},
{"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
{"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
{"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
{"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
{"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
{"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
{"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
{"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
{"DAC Left", NULL, "DAC Left Source MUX"},
{"DAC Right", NULL, "DAC Right Source MUX"},
{"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
{"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
{"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
{"Mixout Left", "DAC Left Switch", "DAC Left"},
{"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
{"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
{"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
{"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
{"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
{"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
{"Mixout Right", "DAC Right Switch", "DAC Right"},
{"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
{"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
{"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
{"Mixout Left PGA", NULL, "Mixout Left"},
{"Mixout Right PGA", NULL, "Mixout Right"},
{"Headphone Left PGA", NULL, "Mixout Left PGA"},
{"Headphone Left PGA", NULL, "Charge Pump"},
{"HPL", NULL, "Headphone Left PGA"},
{"Headphone Right PGA", NULL, "Mixout Right PGA"},
{"Headphone Right PGA", NULL, "Charge Pump"},
{"HPR", NULL, "Headphone Right PGA"},
{"Lineout PGA", NULL, "Mixout Right PGA"},
{"LINE", NULL, "Lineout PGA"},
};
static const struct reg_default da7213_reg_defaults[] = {
{ DA7213_DIG_ROUTING_DAI, 0x10 },
{ DA7213_SR, 0x0A },
{ DA7213_REFERENCES, 0x80 },
{ DA7213_PLL_FRAC_TOP, 0x00 },
{ DA7213_PLL_FRAC_BOT, 0x00 },
{ DA7213_PLL_INTEGER, 0x20 },
{ DA7213_PLL_CTRL, 0x0C },
{ DA7213_DAI_CLK_MODE, 0x01 },
{ DA7213_DAI_CTRL, 0x08 },
{ DA7213_DIG_ROUTING_DAC, 0x32 },
{ DA7213_AUX_L_GAIN, 0x35 },
{ DA7213_AUX_R_GAIN, 0x35 },
{ DA7213_MIXIN_L_SELECT, 0x00 },
{ DA7213_MIXIN_R_SELECT, 0x00 },
{ DA7213_MIXIN_L_GAIN, 0x03 },
{ DA7213_MIXIN_R_GAIN, 0x03 },
{ DA7213_ADC_L_GAIN, 0x6F },
{ DA7213_ADC_R_GAIN, 0x6F },
{ DA7213_ADC_FILTERS1, 0x80 },
{ DA7213_MIC_1_GAIN, 0x01 },
{ DA7213_MIC_2_GAIN, 0x01 },
{ DA7213_DAC_FILTERS5, 0x00 },
{ DA7213_DAC_FILTERS2, 0x88 },
{ DA7213_DAC_FILTERS3, 0x88 },
{ DA7213_DAC_FILTERS4, 0x08 },
{ DA7213_DAC_FILTERS1, 0x80 },
{ DA7213_DAC_L_GAIN, 0x6F },
{ DA7213_DAC_R_GAIN, 0x6F },
{ DA7213_CP_CTRL, 0x61 },
{ DA7213_HP_L_GAIN, 0x39 },
{ DA7213_HP_R_GAIN, 0x39 },
{ DA7213_LINE_GAIN, 0x30 },
{ DA7213_MIXOUT_L_SELECT, 0x00 },
{ DA7213_MIXOUT_R_SELECT, 0x00 },
{ DA7213_SYSTEM_MODES_INPUT, 0x00 },
{ DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
{ DA7213_AUX_L_CTRL, 0x44 },
{ DA7213_AUX_R_CTRL, 0x44 },
{ DA7213_MICBIAS_CTRL, 0x11 },
{ DA7213_MIC_1_CTRL, 0x40 },
{ DA7213_MIC_2_CTRL, 0x40 },
{ DA7213_MIXIN_L_CTRL, 0x40 },
{ DA7213_MIXIN_R_CTRL, 0x40 },
{ DA7213_ADC_L_CTRL, 0x40 },
{ DA7213_ADC_R_CTRL, 0x40 },
{ DA7213_DAC_L_CTRL, 0x48 },
{ DA7213_DAC_R_CTRL, 0x40 },
{ DA7213_HP_L_CTRL, 0x41 },
{ DA7213_HP_R_CTRL, 0x40 },
{ DA7213_LINE_CTRL, 0x40 },
{ DA7213_MIXOUT_L_CTRL, 0x10 },
{ DA7213_MIXOUT_R_CTRL, 0x10 },
{ DA7213_LDO_CTRL, 0x00 },
{ DA7213_IO_CTRL, 0x00 },
{ DA7213_GAIN_RAMP_CTRL, 0x00},
{ DA7213_MIC_CONFIG, 0x00 },
{ DA7213_PC_COUNT, 0x00 },
{ DA7213_CP_VOL_THRESHOLD1, 0x32 },
{ DA7213_CP_DELAY, 0x95 },
{ DA7213_CP_DETECTOR, 0x00 },
{ DA7213_DAI_OFFSET, 0x00 },
{ DA7213_DIG_CTRL, 0x00 },
{ DA7213_ALC_CTRL2, 0x00 },
{ DA7213_ALC_CTRL3, 0x00 },
{ DA7213_ALC_NOISE, 0x3F },
{ DA7213_ALC_TARGET_MIN, 0x3F },
{ DA7213_ALC_TARGET_MAX, 0x00 },
{ DA7213_ALC_GAIN_LIMITS, 0xFF },
{ DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
{ DA7213_ALC_ANTICLIP_CTRL, 0x00 },
{ DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
{ DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
{ DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
{ DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
{ DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
{ DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
{ DA7213_DAC_NG_SETUP_TIME, 0x00 },
{ DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
{ DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
{ DA7213_DAC_NG_CTRL, 0x00 },
};
static bool da7213_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA7213_STATUS1:
case DA7213_PLL_STATUS:
case DA7213_AUX_L_GAIN_STATUS:
case DA7213_AUX_R_GAIN_STATUS:
case DA7213_MIC_1_GAIN_STATUS:
case DA7213_MIC_2_GAIN_STATUS:
case DA7213_MIXIN_L_GAIN_STATUS:
case DA7213_MIXIN_R_GAIN_STATUS:
case DA7213_ADC_L_GAIN_STATUS:
case DA7213_ADC_R_GAIN_STATUS:
case DA7213_DAC_L_GAIN_STATUS:
case DA7213_DAC_R_GAIN_STATUS:
case DA7213_HP_L_GAIN_STATUS:
case DA7213_HP_R_GAIN_STATUS:
case DA7213_LINE_GAIN_STATUS:
case DA7213_ALC_CTRL1:
case DA7213_ALC_OFFSET_AUTO_M_L:
case DA7213_ALC_OFFSET_AUTO_U_L:
case DA7213_ALC_OFFSET_AUTO_M_R:
case DA7213_ALC_OFFSET_AUTO_U_R:
case DA7213_ALC_CIC_OP_LVL_DATA:
return 1;
default:
return 0;
}
}
static int da7213_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
u8 dai_ctrl = 0;
u8 fs;
/* Set DAI format */
switch (params_width(params)) {
case 16:
dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
break;
case 20:
dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
break;
case 24:
dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
break;
case 32:
dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
break;
default:
return -EINVAL;
}
/* Set sampling rate */
switch (params_rate(params)) {
case 8000:
fs = DA7213_SR_8000;
break;
case 11025:
fs = DA7213_SR_11025;
break;
case 12000:
fs = DA7213_SR_12000;
break;
case 16000:
fs = DA7213_SR_16000;
break;
case 22050:
fs = DA7213_SR_22050;
break;
case 32000:
fs = DA7213_SR_32000;
break;
case 44100:
fs = DA7213_SR_44100;
break;
case 48000:
fs = DA7213_SR_48000;
break;
case 88200:
fs = DA7213_SR_88200;
break;
case 96000:
fs = DA7213_SR_96000;
break;
default:
return -EINVAL;
}
snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
dai_ctrl);
snd_soc_write(codec, DA7213_SR, fs);
return 0;
}
static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
u8 dai_clk_mode = 0, dai_ctrl = 0;
/* Set master/slave mode */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
da7213->master = true;
break;
case SND_SOC_DAIFMT_CBS_CFS:
da7213->master = false;
break;
default:
return -EINVAL;
}
/* Set clock normal/inverted */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_NB_IF:
dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
break;
case SND_SOC_DAIFMT_IB_NF:
dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
break;
case SND_SOC_DAIFMT_IB_IF:
dai_clk_mode |= DA7213_DAI_WCLK_POL_INV | DA7213_DAI_CLK_POL_INV;
break;
default:
return -EINVAL;
}
/* Only I2S is supported */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
break;
case SND_SOC_DAIFMT_LEFT_J:
dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
break;
case SND_SOC_DAIFMT_RIGHT_J:
dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
break;
default:
return -EINVAL;
}
/* By default only 32 BCLK per WCLK is supported */
dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_32;
snd_soc_write(codec, DA7213_DAI_CLK_MODE, dai_clk_mode);
snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
dai_ctrl);
return 0;
}
static int da7213_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
if (mute) {
snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
DA7213_MUTE_EN, DA7213_MUTE_EN);
snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
DA7213_MUTE_EN, DA7213_MUTE_EN);
} else {
snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
DA7213_MUTE_EN, 0);
snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
DA7213_MUTE_EN, 0);
}
return 0;
}
#define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
return 0;
if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
freq);
return -EINVAL;
}
switch (clk_id) {
case DA7213_CLKSRC_MCLK:
da7213->mclk_squarer_en = false;
break;
case DA7213_CLKSRC_MCLK_SQR:
da7213->mclk_squarer_en = true;
break;
default:
dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
return -EINVAL;
}
da7213->clk_src = clk_id;
if (da7213->mclk) {
freq = clk_round_rate(da7213->mclk, freq);
ret = clk_set_rate(da7213->mclk, freq);
if (ret) {
dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
freq);
return ret;
}
}
da7213->mclk_rate = freq;
return 0;
}
/* Supported PLL input frequencies are 5MHz - 54MHz. */
static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
int source, unsigned int fref, unsigned int fout)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
u8 pll_ctrl, indiv_bits, indiv;
u8 pll_frac_top, pll_frac_bot, pll_integer;
u32 freq_ref;
u64 frac_div;
/* Reset PLL configuration */
snd_soc_write(codec, DA7213_PLL_CTRL, 0);
pll_ctrl = 0;
/* Workout input divider based on MCLK rate */
if (da7213->mclk_rate == 32768) {
/* 32KHz PLL Mode */
indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
freq_ref = 3750000;
pll_ctrl |= DA7213_PLL_32K_MODE;
} else {
/* 5 - 54MHz MCLK */
if (da7213->mclk_rate < 5000000) {
goto pll_err;
} else if (da7213->mclk_rate <= 9000000) {
indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
} else if (da7213->mclk_rate <= 18000000) {
indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
} else if (da7213->mclk_rate <= 36000000) {
indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
} else if (da7213->mclk_rate <= 54000000) {
indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
} else {
goto pll_err;
}
freq_ref = (da7213->mclk_rate / indiv);
}
pll_ctrl |= indiv_bits;
/* PLL Bypass mode */
if (source == DA7213_SYSCLK_MCLK) {
snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl);
return 0;
}
/*
* If Codec is slave and SRM enabled,
* freq_out is (98304000 + 90316800)/2 = 94310400
*/
if (!da7213->master && da7213->srm_en) {
fout = DA7213_PLL_FREQ_OUT_94310400;
pll_ctrl |= DA7213_PLL_SRM_EN;
}
/* Enable MCLK squarer if required */
if (da7213->mclk_squarer_en)
pll_ctrl |= DA7213_PLL_MCLK_SQR_EN;
/* Calculate dividers for PLL */
pll_integer = fout / freq_ref;
frac_div = (u64)(fout % freq_ref) * 8192ULL;
do_div(frac_div, freq_ref);
pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
/* Write PLL dividers */
snd_soc_write(codec, DA7213_PLL_FRAC_TOP, pll_frac_top);
snd_soc_write(codec, DA7213_PLL_FRAC_BOT, pll_frac_bot);
snd_soc_write(codec, DA7213_PLL_INTEGER, pll_integer);
/* Enable PLL */
pll_ctrl |= DA7213_PLL_EN;
snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl);
return 0;
pll_err:
dev_err(codec_dai->dev, "Unsupported PLL input frequency %d\n",
da7213->mclk_rate);
return -EINVAL;
}
/* DAI operations */
static const struct snd_soc_dai_ops da7213_dai_ops = {
.hw_params = da7213_hw_params,
.set_fmt = da7213_set_dai_fmt,
.set_sysclk = da7213_set_dai_sysclk,
.set_pll = da7213_set_dai_pll,
.digital_mute = da7213_mute,
};
static struct snd_soc_dai_driver da7213_dai = {
.name = "da7213-hifi",
/* Playback Capabilities */
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = DA7213_FORMATS,
},
/* Capture Capabilities */
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = DA7213_FORMATS,
},
.ops = &da7213_dai_ops,
.symmetric_rates = 1,
};
static int da7213_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
/* MCLK */
if (da7213->mclk) {
ret = clk_prepare_enable(da7213->mclk);
if (ret) {
dev_err(codec->dev,
"Failed to enable mclk\n");
return ret;
}
}
/* Enable VMID reference & master bias */
snd_soc_update_bits(codec, DA7213_REFERENCES,
DA7213_VMID_EN | DA7213_BIAS_EN,
DA7213_VMID_EN | DA7213_BIAS_EN);
}
break;
case SND_SOC_BIAS_OFF:
/* Disable VMID reference & master bias */
snd_soc_update_bits(codec, DA7213_REFERENCES,
DA7213_VMID_EN | DA7213_BIAS_EN, 0);
/* MCLK */
if (da7213->mclk)
clk_disable_unprepare(da7213->mclk);
break;
}
return 0;
}
/* DT */
static const struct of_device_id da7213_of_match[] = {
{ .compatible = "dlg,da7213", },
{ }
};
MODULE_DEVICE_TABLE(of, da7213_of_match);
static enum da7213_micbias_voltage
da7213_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
{
switch (val) {
case 1600:
return DA7213_MICBIAS_1_6V;
case 2200:
return DA7213_MICBIAS_2_2V;
case 2500:
return DA7213_MICBIAS_2_5V;
case 3000:
return DA7213_MICBIAS_3_0V;
default:
dev_warn(codec->dev, "Invalid micbias level\n");
return DA7213_MICBIAS_2_2V;
}
}
static enum da7213_dmic_data_sel
da7213_of_dmic_data_sel(struct snd_soc_codec *codec, const char *str)
{
if (!strcmp(str, "lrise_rfall")) {
return DA7213_DMIC_DATA_LRISE_RFALL;
} else if (!strcmp(str, "lfall_rrise")) {
return DA7213_DMIC_DATA_LFALL_RRISE;
} else {
dev_warn(codec->dev, "Invalid DMIC data select type\n");
return DA7213_DMIC_DATA_LRISE_RFALL;
}
}
static enum da7213_dmic_samplephase
da7213_of_dmic_samplephase(struct snd_soc_codec *codec, const char *str)
{
if (!strcmp(str, "on_clkedge")) {
return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
} else if (!strcmp(str, "between_clkedge")) {
return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
} else {
dev_warn(codec->dev, "Invalid DMIC sample phase\n");
return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
}
}
static enum da7213_dmic_clk_rate
da7213_of_dmic_clkrate(struct snd_soc_codec *codec, u32 val)
{
switch (val) {
case 1500000:
return DA7213_DMIC_CLK_1_5MHZ;
case 3000000:
return DA7213_DMIC_CLK_3_0MHZ;
default:
dev_warn(codec->dev, "Invalid DMIC clock rate\n");
return DA7213_DMIC_CLK_1_5MHZ;
}
}
static struct da7213_platform_data
*da7213_of_to_pdata(struct snd_soc_codec *codec)
{
struct device_node *np = codec->dev->of_node;
struct da7213_platform_data *pdata;
const char *of_str;
u32 of_val32;
pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
dev_warn(codec->dev, "Failed to allocate memory for pdata\n");
return NULL;
}
if (of_property_read_u32(np, "dlg,micbias1-lvl", &of_val32) >= 0)
pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, of_val32);
else
pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
if (of_property_read_u32(np, "dlg,micbias2-lvl", &of_val32) >= 0)
pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, of_val32);
else
pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
if (!of_property_read_string(np, "dlg,dmic-data-sel", &of_str))
pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, of_str);
else
pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
if (!of_property_read_string(np, "dlg,dmic-samplephase", &of_str))
pdata->dmic_samplephase =
da7213_of_dmic_samplephase(codec, of_str);
else
pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
if (of_property_read_u32(np, "dlg,dmic-clkrate", &of_val32) >= 0)
pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, of_val32);
else
pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
return pdata;
}
static int da7213_probe(struct snd_soc_codec *codec)
{
struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
/* Default to using ALC auto offset calibration mode. */
snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
DA7213_ALC_CALIB_MODE_MAN, 0);
da7213->alc_calib_auto = true;
/* Default to using SRM for slave mode */
da7213->srm_en = true;
/* Default PC counter to free-running */
snd_soc_update_bits(codec, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
DA7213_PC_FREERUN_MASK);
/* Enable all Gain Ramps */
snd_soc_update_bits(codec, DA7213_AUX_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_AUX_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_ADC_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_ADC_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_update_bits(codec, DA7213_LINE_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
/*
* There are two separate control bits for input and output mixers as
* well as headphone and line outs.
* One to enable corresponding amplifier and other to enable its
* output. As amplifier bits are related to power control, they are
* being managed by DAPM while other (non power related) bits are
* enabled here
*/
snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
snd_soc_update_bits(codec, DA7213_MIXOUT_L_CTRL,
DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
snd_soc_update_bits(codec, DA7213_MIXOUT_R_CTRL,
DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
snd_soc_update_bits(codec, DA7213_LINE_CTRL,
DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
/* Handle DT/Platform data */
if (codec->dev->of_node)
da7213->pdata = da7213_of_to_pdata(codec);
else
da7213->pdata = dev_get_platdata(codec->dev);
/* Set platform data values */
if (da7213->pdata) {
struct da7213_platform_data *pdata = da7213->pdata;
u8 micbias_lvl = 0, dmic_cfg = 0;
/* Set Mic Bias voltages */
switch (pdata->micbias1_lvl) {
case DA7213_MICBIAS_1_6V:
case DA7213_MICBIAS_2_2V:
case DA7213_MICBIAS_2_5V:
case DA7213_MICBIAS_3_0V:
micbias_lvl |= (pdata->micbias1_lvl <<
DA7213_MICBIAS1_LEVEL_SHIFT);
break;
}
switch (pdata->micbias2_lvl) {
case DA7213_MICBIAS_1_6V:
case DA7213_MICBIAS_2_2V:
case DA7213_MICBIAS_2_5V:
case DA7213_MICBIAS_3_0V:
micbias_lvl |= (pdata->micbias2_lvl <<
DA7213_MICBIAS2_LEVEL_SHIFT);
break;
}
snd_soc_update_bits(codec, DA7213_MICBIAS_CTRL,
DA7213_MICBIAS1_LEVEL_MASK |
DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
/* Set DMIC configuration */
switch (pdata->dmic_data_sel) {
case DA7213_DMIC_DATA_LFALL_RRISE:
case DA7213_DMIC_DATA_LRISE_RFALL:
dmic_cfg |= (pdata->dmic_data_sel <<
DA7213_DMIC_DATA_SEL_SHIFT);
break;
}
switch (pdata->dmic_samplephase) {
case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
dmic_cfg |= (pdata->dmic_samplephase <<
DA7213_DMIC_SAMPLEPHASE_SHIFT);
break;
}
switch (pdata->dmic_clk_rate) {
case DA7213_DMIC_CLK_3_0MHZ:
case DA7213_DMIC_CLK_1_5MHZ:
dmic_cfg |= (pdata->dmic_clk_rate <<
DA7213_DMIC_CLK_RATE_SHIFT);
break;
}
snd_soc_update_bits(codec, DA7213_MIC_CONFIG,
DA7213_DMIC_DATA_SEL_MASK |
DA7213_DMIC_SAMPLEPHASE_MASK |
DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
}
/* Check if MCLK provided */
da7213->mclk = devm_clk_get(codec->dev, "mclk");
if (IS_ERR(da7213->mclk)) {
if (PTR_ERR(da7213->mclk) != -ENOENT)
return PTR_ERR(da7213->mclk);
else
da7213->mclk = NULL;
}
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_da7213 = {
.probe = da7213_probe,
.set_bias_level = da7213_set_bias_level,
.controls = da7213_snd_controls,
.num_controls = ARRAY_SIZE(da7213_snd_controls),
.dapm_widgets = da7213_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(da7213_dapm_widgets),
.dapm_routes = da7213_audio_map,
.num_dapm_routes = ARRAY_SIZE(da7213_audio_map),
};
static const struct regmap_config da7213_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.reg_defaults = da7213_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
.volatile_reg = da7213_volatile_register,
.cache_type = REGCACHE_RBTREE,
};
static int da7213_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct da7213_priv *da7213;
int ret;
da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv),
GFP_KERNEL);
if (!da7213)
return -ENOMEM;
i2c_set_clientdata(i2c, da7213);
da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
if (IS_ERR(da7213->regmap)) {
ret = PTR_ERR(da7213->regmap);
dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
return ret;
}
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_da7213, &da7213_dai, 1);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to register da7213 codec: %d\n",
ret);
}
return ret;
}
static int da7213_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
return 0;
}
static const struct i2c_device_id da7213_i2c_id[] = {
{ "da7213", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
/* I2C codec control layer */
static struct i2c_driver da7213_i2c_driver = {
.driver = {
.name = "da7213",
.of_match_table = of_match_ptr(da7213_of_match),
},
.probe = da7213_i2c_probe,
.remove = da7213_remove,
.id_table = da7213_i2c_id,
};
module_i2c_driver(da7213_i2c_driver);
MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
MODULE_LICENSE("GPL");
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