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android-kvm / linux / d831e3612111d385e8629104af5429808ef26e25 / . / sound / soc / codecs / da7213.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 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.
*/
#include <linux/acpi.h>
#include <linux/of_device.h>
#include <linux/property.h>
#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 <linux/pm_runtime.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_component *component, 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_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
/* Select middle 8 bits for read back from data register */
snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_MIDDLE);
mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
/* Select top 8 bits for read back from data register */
snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_TOP);
top_data = snd_soc_component_read(component, 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_component *component)
{
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(component,
DA7213_ALC_CIC_OP_CHANNEL_LEFT);
/* Right Data */
avg_right_data = da7213_get_alc_data(component,
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_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
/* Enable analog/digital gain mode & offset cancellation */
snd_soc_component_update_bits(component, 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_component *component)
{
u8 alc_ctrl1;
/* Begin auto calibration and wait for completion */
snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
DA7213_ALC_AUTO_CALIB_EN);
do {
alc_ctrl1 = snd_soc_component_read(component, 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(component->dev,
"ALC auto calibration failed with overflow\n");
snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
0);
} else {
/* Enable analog/digital gain mode & offset cancellation */
snd_soc_component_update_bits(component, 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_component *component)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
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_component_read(component, DA7213_ADC_L_CTRL);
adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);
/* Save current values from MIXIN_L/R_SELECT registers */
mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);
/* Save current values from MIC control registers */
mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);
/* Enable ADC Left and Right */
snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
DA7213_ADC_EN);
snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
DA7213_ADC_EN);
/* Enable MIC paths */
snd_soc_component_update_bits(component, 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_component_update_bits(component, 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_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
DA7213_MUTE_EN);
snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
DA7213_MUTE_EN);
/* Perform calibration */
if (da7213->alc_calib_auto)
da7213_alc_calib_auto(component);
else
da7213_alc_calib_man(component);
/* Restore MIXIN_L/R_SELECT registers to their original states */
snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);
/* Restore ADC control registers to their original states */
snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);
/* Restore original values of MIC control registers */
snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
snd_soc_component_write(component, 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_component *component = snd_soc_kcontrol_component(kcontrol);
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
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(component);
return ret;
}
static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
/* 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(component);
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_component *component = snd_soc_dapm_to_component(w->dapm);
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
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_component_update_bits(component, DA7213_DAI_CLK_MODE,
DA7213_DAI_CLK_EN_MASK,
DA7213_DAI_CLK_EN_MASK);
/* PC synchronised to DAI */
snd_soc_component_update_bits(component, DA7213_PC_COUNT,
DA7213_PC_FREERUN_MASK, 0);
/* If SRM not enabled then nothing more to do */
pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
if (!(pll_ctrl & DA7213_PLL_SRM_EN))
return 0;
/* Assist 32KHz mode PLL lock */
if (pll_ctrl & DA7213_PLL_32K_MODE) {
snd_soc_component_write(component, 0xF0, 0x8B);
snd_soc_component_write(component, 0xF2, 0x03);
snd_soc_component_write(component, 0xF0, 0x00);
}
/* Check SRM has locked */
do {
pll_status = snd_soc_component_read(component, 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(component->dev, "SRM failed to lock\n");
return 0;
case SND_SOC_DAPM_POST_PMD:
/* Revert 32KHz PLL lock udpates if applied previously */
pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
if (pll_ctrl & DA7213_PLL_32K_MODE) {
snd_soc_component_write(component, 0xF0, 0x8B);
snd_soc_component_write(component, 0xF2, 0x01);
snd_soc_component_write(component, 0xF0, 0x00);
}
/* PC free-running */
snd_soc_component_update_bits(component, DA7213_PC_COUNT,
DA7213_PC_FREERUN_MASK,
DA7213_PC_FREERUN_MASK);
/* Disable DAI clks if in master mode */
if (da7213->master)
snd_soc_component_update_bits(component, 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[] = {
/*
* Power Supply
*/
SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),
/*
* 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 */
{"Mic Bias 1", NULL, "VDDMIC"},
{"Mic Bias 2", NULL, "VDDMIC"},
{"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 true;
default:
return false;
}
}
static int da7213_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
u8 dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_64;
u8 dai_ctrl = 0;
u8 fs;
/* Set channels */
switch (params_channels(params)) {
case 1:
if (da7213->fmt != DA7213_DAI_FORMAT_DSP) {
dev_err(component->dev, "Mono supported only in DSP mode\n");
return -EINVAL;
}
dai_ctrl |= DA7213_DAI_MONO_MODE_EN;
break;
case 2:
dai_ctrl &= ~(DA7213_DAI_MONO_MODE_EN);
break;
default:
return -EINVAL;
}
/* Set DAI format */
switch (params_width(params)) {
case 16:
dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_32; /* 32bit for 1ch and 2ch */
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;
da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 11025:
fs = DA7213_SR_11025;
da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 12000:
fs = DA7213_SR_12000;
da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 16000:
fs = DA7213_SR_16000;
da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 22050:
fs = DA7213_SR_22050;
da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 32000:
fs = DA7213_SR_32000;
da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 44100:
fs = DA7213_SR_44100;
da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 48000:
fs = DA7213_SR_48000;
da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 88200:
fs = DA7213_SR_88200;
da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 96000:
fs = DA7213_SR_96000;
da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
default:
return -EINVAL;
}
snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
DA7213_DAI_BCLKS_PER_WCLK_MASK, dai_clk_mode);
snd_soc_component_update_bits(component, DA7213_DAI_CTRL,
DA7213_DAI_WORD_LENGTH_MASK | DA7213_DAI_MONO_MODE_MASK, dai_ctrl);
snd_soc_component_write(component, DA7213_SR, fs);
return 0;
}
static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_component *component = codec_dai->component;
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
u8 dai_clk_mode = 0, dai_ctrl = 0;
u8 dai_offset = 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_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
case SND_SOC_DAIFMT_LEFT_J:
case SND_SOC_DAIFMT_RIGHT_J:
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;
}
break;
case SND_SOC_DAI_FORMAT_DSP_A:
case SND_SOC_DAI_FORMAT_DSP_B:
/* The bclk is inverted wrt ASoC conventions */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
break;
case SND_SOC_DAIFMT_NB_IF:
dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
DA7213_DAI_CLK_POL_INV;
break;
case SND_SOC_DAIFMT_IB_NF:
break;
case SND_SOC_DAIFMT_IB_IF:
dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
break;
default:
return -EINVAL;
}
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;
da7213->fmt = DA7213_DAI_FORMAT_I2S_MODE;
break;
case SND_SOC_DAIFMT_LEFT_J:
dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
da7213->fmt = DA7213_DAI_FORMAT_LEFT_J;
break;
case SND_SOC_DAIFMT_RIGHT_J:
dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
da7213->fmt = DA7213_DAI_FORMAT_RIGHT_J;
break;
case SND_SOC_DAI_FORMAT_DSP_A: /* L data MSB after FRM LRC */
dai_ctrl |= DA7213_DAI_FORMAT_DSP;
dai_offset = 1;
da7213->fmt = DA7213_DAI_FORMAT_DSP;
break;
case SND_SOC_DAI_FORMAT_DSP_B: /* L data MSB during FRM LRC */
dai_ctrl |= DA7213_DAI_FORMAT_DSP;
da7213->fmt = DA7213_DAI_FORMAT_DSP;
break;
default:
return -EINVAL;
}
/* By default only 64 BCLK per WCLK is supported */
dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
DA7213_DAI_BCLKS_PER_WCLK_MASK |
DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
dai_clk_mode);
snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
dai_ctrl);
snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
return 0;
}
static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct snd_soc_component *component = dai->component;
if (mute) {
snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
DA7213_MUTE_EN, DA7213_MUTE_EN);
snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
DA7213_MUTE_EN, DA7213_MUTE_EN);
} else {
snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
DA7213_MUTE_EN, 0);
snd_soc_component_update_bits(component, 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_component_sysclk(struct snd_soc_component *component,
int clk_id, int source,
unsigned int freq, int dir)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
int ret = 0;
if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
return 0;
if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
dev_err(component->dev, "Unsupported MCLK value %d\n",
freq);
return -EINVAL;
}
switch (clk_id) {
case DA7213_CLKSRC_MCLK:
snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
DA7213_PLL_MCLK_SQR_EN, 0);
break;
case DA7213_CLKSRC_MCLK_SQR:
snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
DA7213_PLL_MCLK_SQR_EN,
DA7213_PLL_MCLK_SQR_EN);
break;
default:
dev_err(component->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(component->dev, "Failed to set clock rate %d\n",
freq);
return ret;
}
}
da7213->mclk_rate = freq;
return 0;
}
/* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
static int _da7213_set_component_pll(struct snd_soc_component *component,
int pll_id, int source,
unsigned int fref, unsigned int fout)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
u8 pll_ctrl, indiv_bits, indiv;
u8 pll_frac_top, pll_frac_bot, pll_integer;
u32 freq_ref;
u64 frac_div;
/* Workout input divider based on MCLK rate */
if (da7213->mclk_rate == 32768) {
if (!da7213->master) {
dev_err(component->dev,
"32KHz only valid if codec is clock master\n");
return -EINVAL;
}
/* 32KHz PLL Mode */
indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
source = DA7213_SYSCLK_PLL_32KHZ;
freq_ref = 3750000;
} else {
if (da7213->mclk_rate < 5000000) {
dev_err(component->dev,
"PLL input clock %d below valid range\n",
da7213->mclk_rate);
return -EINVAL;
} 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 {
dev_err(component->dev,
"PLL input clock %d above valid range\n",
da7213->mclk_rate);
return -EINVAL;
}
freq_ref = (da7213->mclk_rate / indiv);
}
pll_ctrl = indiv_bits;
/* Configure PLL */
switch (source) {
case DA7213_SYSCLK_MCLK:
snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
DA7213_PLL_INDIV_MASK |
DA7213_PLL_MODE_MASK, pll_ctrl);
return 0;
case DA7213_SYSCLK_PLL:
break;
case DA7213_SYSCLK_PLL_SRM:
pll_ctrl |= DA7213_PLL_SRM_EN;
fout = DA7213_PLL_FREQ_OUT_94310400;
break;
case DA7213_SYSCLK_PLL_32KHZ:
if (da7213->mclk_rate != 32768) {
dev_err(component->dev,
"32KHz mode only valid with 32KHz MCLK\n");
return -EINVAL;
}
pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
fout = DA7213_PLL_FREQ_OUT_94310400;
break;
default:
dev_err(component->dev, "Invalid PLL config\n");
return -EINVAL;
}
/* 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_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);
/* Enable PLL */
pll_ctrl |= DA7213_PLL_EN;
snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
pll_ctrl);
/* Assist 32KHz mode PLL lock */
if (source == DA7213_SYSCLK_PLL_32KHZ) {
snd_soc_component_write(component, 0xF0, 0x8B);
snd_soc_component_write(component, 0xF1, 0x03);
snd_soc_component_write(component, 0xF1, 0x01);
snd_soc_component_write(component, 0xF0, 0x00);
}
return 0;
}
static int da7213_set_component_pll(struct snd_soc_component *component,
int pll_id, int source,
unsigned int fref, unsigned int fout)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
da7213->fixed_clk_auto_pll = false;
return _da7213_set_component_pll(component, pll_id, source, fref, fout);
}
/* DAI operations */
static const struct snd_soc_dai_ops da7213_dai_ops = {
.hw_params = da7213_hw_params,
.set_fmt = da7213_set_dai_fmt,
.mute_stream = da7213_mute,
.no_capture_mute = 1,
};
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_rate = 1,
};
static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
int mode;
if (!da7213->fixed_clk_auto_pll)
return 0;
da7213->mclk_rate = clk_get_rate(da7213->mclk);
if (enable) {
/* Slave mode needs SRM for non-harmonic frequencies */
if (da7213->master)
mode = DA7213_SYSCLK_PLL;
else
mode = DA7213_SYSCLK_PLL_SRM;
/* PLL is not required for harmonic frequencies */
switch (da7213->out_rate) {
case DA7213_PLL_FREQ_OUT_90316800:
if (da7213->mclk_rate == 11289600 ||
da7213->mclk_rate == 22579200 ||
da7213->mclk_rate == 45158400)
mode = DA7213_SYSCLK_MCLK;
break;
case DA7213_PLL_FREQ_OUT_98304000:
if (da7213->mclk_rate == 12288000 ||
da7213->mclk_rate == 24576000 ||
da7213->mclk_rate == 49152000)
mode = DA7213_SYSCLK_MCLK;
break;
default:
return -1;
}
} else {
/* Disable PLL in standby */
mode = DA7213_SYSCLK_MCLK;
}
return _da7213_set_component_pll(component, 0, mode,
da7213->mclk_rate, da7213->out_rate);
}
static int da7213_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* Enable MCLK for transition to ON state */
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
if (da7213->mclk) {
ret = clk_prepare_enable(da7213->mclk);
if (ret) {
dev_err(component->dev,
"Failed to enable mclk\n");
return ret;
}
da7213_set_auto_pll(component, true);
}
}
break;
case SND_SOC_BIAS_STANDBY:
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
/* Enable VMID reference & master bias */
snd_soc_component_update_bits(component, DA7213_REFERENCES,
DA7213_VMID_EN | DA7213_BIAS_EN,
DA7213_VMID_EN | DA7213_BIAS_EN);
} else {
/* Remove MCLK */
if (da7213->mclk) {
da7213_set_auto_pll(component, false);
clk_disable_unprepare(da7213->mclk);
}
}
break;
case SND_SOC_BIAS_OFF:
/* Disable VMID reference & master bias */
snd_soc_component_update_bits(component, DA7213_REFERENCES,
DA7213_VMID_EN | DA7213_BIAS_EN, 0);
break;
}
return 0;
}
#if defined(CONFIG_OF)
/* DT */
static const struct of_device_id da7213_of_match[] = {
{ .compatible = "dlg,da7212", },
{ .compatible = "dlg,da7213", },
{ }
};
MODULE_DEVICE_TABLE(of, da7213_of_match);
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id da7213_acpi_match[] = {
{ "DLGS7212", 0},
{ "DLGS7213", 0},
{ },
};
MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
#endif
static enum da7213_micbias_voltage
da7213_of_micbias_lvl(struct snd_soc_component *component, 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(component->dev, "Invalid micbias level\n");
return DA7213_MICBIAS_2_2V;
}
}
static enum da7213_dmic_data_sel
da7213_of_dmic_data_sel(struct snd_soc_component *component, 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(component->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_component *component, 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(component->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_component *component, u32 val)
{
switch (val) {
case 1500000:
return DA7213_DMIC_CLK_1_5MHZ;
case 3000000:
return DA7213_DMIC_CLK_3_0MHZ;
default:
dev_warn(component->dev, "Invalid DMIC clock rate\n");
return DA7213_DMIC_CLK_1_5MHZ;
}
}
static struct da7213_platform_data
*da7213_fw_to_pdata(struct snd_soc_component *component)
{
struct device *dev = component->dev;
struct da7213_platform_data *pdata;
const char *fw_str;
u32 fw_val32;
pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return NULL;
if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
else
pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
else
pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
else
pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
pdata->dmic_samplephase =
da7213_of_dmic_samplephase(component, fw_str);
else
pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
else
pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
return pdata;
}
static int da7213_probe(struct snd_soc_component *component)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
pm_runtime_get_sync(component->dev);
/* Default to using ALC auto offset calibration mode. */
snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
DA7213_ALC_CALIB_MODE_MAN, 0);
da7213->alc_calib_auto = true;
/* Default PC counter to free-running */
snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
DA7213_PC_FREERUN_MASK);
/* Enable all Gain Ramps */
snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
snd_soc_component_update_bits(component, 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_component_update_bits(component, DA7213_MIXIN_L_CTRL,
DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL,
DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL,
DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
/* Handle DT/Platform data */
da7213->pdata = dev_get_platdata(component->dev);
if (!da7213->pdata)
da7213->pdata = da7213_fw_to_pdata(component);
/* 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_component_update_bits(component, 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_component_update_bits(component, DA7213_MIC_CONFIG,
DA7213_DMIC_DATA_SEL_MASK |
DA7213_DMIC_SAMPLEPHASE_MASK |
DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
}
pm_runtime_put_sync(component->dev);
/* Check if MCLK provided */
da7213->mclk = devm_clk_get(component->dev, "mclk");
if (IS_ERR(da7213->mclk)) {
if (PTR_ERR(da7213->mclk) != -ENOENT)
return PTR_ERR(da7213->mclk);
else
da7213->mclk = NULL;
} else {
/* Do automatic PLL handling assuming fixed clock until
* set_pll() has been called. This makes the codec usable
* with the simple-audio-card driver. */
da7213->fixed_clk_auto_pll = true;
}
return 0;
}
static const struct snd_soc_component_driver soc_component_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),
.set_sysclk = da7213_set_component_sysclk,
.set_pll = da7213_set_component_pll,
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
};
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 void da7213_power_off(void *data)
{
struct da7213_priv *da7213 = data;
regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
}
static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = {
[DA7213_SUPPLY_VDDA] = "VDDA",
[DA7213_SUPPLY_VDDIO] = "VDDIO",
};
static int da7213_i2c_probe(struct i2c_client *i2c)
{
struct da7213_priv *da7213;
int i, ret;
da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
if (!da7213)
return -ENOMEM;
i2c_set_clientdata(i2c, da7213);
/* Get required supplies */
for (i = 0; i < DA7213_NUM_SUPPLIES; ++i)
da7213->supplies[i].supply = da7213_supply_names[i];
ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES,
da7213->supplies);
if (ret) {
dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret);
return ret;
}
ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
if (ret < 0)
return ret;
ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213);
if (ret < 0)
return ret;
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;
}
pm_runtime_set_autosuspend_delay(&i2c->dev, 100);
pm_runtime_use_autosuspend(&i2c->dev);
pm_runtime_set_active(&i2c->dev);
pm_runtime_enable(&i2c->dev);
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_component_dev_da7213, &da7213_dai, 1);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to register da7213 component: %d\n",
ret);
}
return ret;
}
static void da7213_i2c_remove(struct i2c_client *i2c)
{
pm_runtime_disable(&i2c->dev);
}
static int __maybe_unused da7213_runtime_suspend(struct device *dev)
{
struct da7213_priv *da7213 = dev_get_drvdata(dev);
regcache_cache_only(da7213->regmap, true);
regcache_mark_dirty(da7213->regmap);
regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
return 0;
}
static int __maybe_unused da7213_runtime_resume(struct device *dev)
{
struct da7213_priv *da7213 = dev_get_drvdata(dev);
int ret;
ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
if (ret < 0)
return ret;
regcache_cache_only(da7213->regmap, false);
regcache_sync(da7213->regmap);
return 0;
}
static const struct dev_pm_ops da7213_pm = {
SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL)
};
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),
.acpi_match_table = ACPI_PTR(da7213_acpi_match),
.pm = &da7213_pm,
},
.probe = da7213_i2c_probe,
.remove = da7213_i2c_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");