// SPDX-License-Identifier: GPL-2.0-only
/*
* TDA7419 audio processor driver
*
* Copyright 2018 Konsulko Group
*
* Author: Matt Porter <[email protected]>
*/
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#define TDA7419_MAIN_SRC_REG 0x00
#define TDA7419_LOUDNESS_REG 0x01
#define TDA7419_MUTE_CLK_REG 0x02
#define TDA7419_VOLUME_REG 0x03
#define TDA7419_TREBLE_REG 0x04
#define TDA7419_MIDDLE_REG 0x05
#define TDA7419_BASS_REG 0x06
#define TDA7419_SECOND_SRC_REG 0x07
#define TDA7419_SUB_MID_BASS_REG 0x08
#define TDA7419_MIXING_GAIN_REG 0x09
#define TDA7419_ATTENUATOR_LF_REG 0x0a
#define TDA7419_ATTENUATOR_RF_REG 0x0b
#define TDA7419_ATTENUATOR_LR_REG 0x0c
#define TDA7419_ATTENUATOR_RR_REG 0x0d
#define TDA7419_MIXING_LEVEL_REG 0x0e
#define TDA7419_ATTENUATOR_SUB_REG 0x0f
#define TDA7419_SA_CLK_AC_REG 0x10
#define TDA7419_TESTING_REG 0x11
#define TDA7419_MAIN_SRC_SEL 0
#define TDA7419_MAIN_SRC_GAIN 3
#define TDA7419_MAIN_SRC_AUTOZERO 7
#define TDA7419_LOUDNESS_ATTEN 0
#define TDA7419_LOUDNESS_CENTER_FREQ 4
#define TDA7419_LOUDNESS_BOOST 6
#define TDA7419_LOUDNESS_SOFT_STEP 7
#define TDA7419_VOLUME_SOFT_STEP 7
#define TDA7419_SOFT_MUTE 0
#define TDA7419_MUTE_INFLUENCE 1
#define TDA7419_SOFT_MUTE_TIME 2
#define TDA7419_SOFT_STEP_TIME 4
#define TDA7419_CLK_FAST_MODE 7
#define TDA7419_TREBLE_CENTER_FREQ 5
#define TDA7419_REF_OUT_SELECT 7
#define TDA7419_MIDDLE_Q_FACTOR 5
#define TDA7419_MIDDLE_SOFT_STEP 7
#define TDA7419_BASS_Q_FACTOR 5
#define TDA7419_BASS_SOFT_STEP 7
#define TDA7419_SECOND_SRC_SEL 0
#define TDA7419_SECOND_SRC_GAIN 3
#define TDA7419_REAR_SPKR_SRC 7
#define TDA7419_SUB_CUT_OFF_FREQ 0
#define TDA7419_MIDDLE_CENTER_FREQ 2
#define TDA7419_BASS_CENTER_FREQ 4
#define TDA7419_BASS_DC_MODE 6
#define TDA7419_SMOOTHING_FILTER 7
#define TDA7419_MIX_LF 0
#define TDA7419_MIX_RF 1
#define TDA7419_MIX_ENABLE 2
#define TDA7419_SUB_ENABLE 3
#define TDA7419_HPF_GAIN 4
#define TDA7419_SA_Q_FACTOR 0
#define TDA7419_RESET_MODE 1
#define TDA7419_SA_SOURCE 2
#define TDA7419_SA_RUN 3
#define TDA7419_RESET 4
#define TDA7419_CLK_SOURCE 5
#define TDA7419_COUPLING_MODE 6
struct tda7419_data {
struct regmap *regmap;
};
static bool tda7419_readable_reg(struct device *dev, unsigned int reg)
{
return false;
}
static const struct reg_default tda7419_regmap_defaults[] = {
{ TDA7419_MAIN_SRC_REG, 0xfe },
{ TDA7419_LOUDNESS_REG, 0xfe },
{ TDA7419_MUTE_CLK_REG, 0xfe },
{ TDA7419_VOLUME_REG, 0xfe },
{ TDA7419_TREBLE_REG, 0xfe },
{ TDA7419_MIDDLE_REG, 0xfe },
{ TDA7419_BASS_REG, 0xfe },
{ TDA7419_SECOND_SRC_REG, 0xfe },
{ TDA7419_SUB_MID_BASS_REG, 0xfe },
{ TDA7419_MIXING_GAIN_REG, 0xfe },
{ TDA7419_ATTENUATOR_LF_REG, 0xfe },
{ TDA7419_ATTENUATOR_RF_REG, 0xfe },
{ TDA7419_ATTENUATOR_LR_REG, 0xfe },
{ TDA7419_ATTENUATOR_RR_REG, 0xfe },
{ TDA7419_MIXING_LEVEL_REG, 0xfe },
{ TDA7419_ATTENUATOR_SUB_REG, 0xfe },
{ TDA7419_SA_CLK_AC_REG, 0xfe },
{ TDA7419_TESTING_REG, 0xfe },
};
static const struct regmap_config tda7419_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = TDA7419_TESTING_REG,
.cache_type = REGCACHE_RBTREE,
.readable_reg = tda7419_readable_reg,
.reg_defaults = tda7419_regmap_defaults,
.num_reg_defaults = ARRAY_SIZE(tda7419_regmap_defaults),
};
struct tda7419_vol_control {
int min, max;
unsigned int reg, rreg, mask, thresh;
unsigned int invert:1;
};
static inline bool tda7419_vol_is_stereo(struct tda7419_vol_control *tvc)
{
if (tvc->reg == tvc->rreg)
return false;
return true;
}
static int tda7419_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct tda7419_vol_control *tvc =
(struct tda7419_vol_control *)kcontrol->private_value;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = tda7419_vol_is_stereo(tvc) ? 2 : 1;
uinfo->value.integer.min = tvc->min;
uinfo->value.integer.max = tvc->max;
return 0;
}
static inline int tda7419_vol_get_value(int val, unsigned int mask,
int min, int thresh,
unsigned int invert)
{
val &= mask;
if (val < thresh) {
if (invert)
val = 0 - val;
} else if (val > thresh) {
if (invert)
val = val - thresh;
else
val = thresh - val;
}
if (val < min)
val = min;
return val;
}
static int tda7419_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct tda7419_vol_control *tvc =
(struct tda7419_vol_control *)kcontrol->private_value;
unsigned int reg = tvc->reg;
unsigned int rreg = tvc->rreg;
unsigned int mask = tvc->mask;
int min = tvc->min;
int thresh = tvc->thresh;
unsigned int invert = tvc->invert;
int val;
val = snd_soc_component_read(component, reg);
ucontrol->value.integer.value[0] =
tda7419_vol_get_value(val, mask, min, thresh, invert);
if (tda7419_vol_is_stereo(tvc)) {
val = snd_soc_component_read(component, rreg);
ucontrol->value.integer.value[1] =
tda7419_vol_get_value(val, mask, min, thresh, invert);
}
return 0;
}
static inline int tda7419_vol_put_value(int val, int thresh,
unsigned int invert)
{
if (val < 0) {
if (invert)
val = abs(val);
else
val = thresh - val;
} else if ((val > 0) && invert) {
val += thresh;
}
return val;
}
static int tda7419_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_kcontrol_chip(kcontrol);
struct tda7419_vol_control *tvc =
(struct tda7419_vol_control *)kcontrol->private_value;
unsigned int reg = tvc->reg;
unsigned int rreg = tvc->rreg;
unsigned int mask = tvc->mask;
int thresh = tvc->thresh;
unsigned int invert = tvc->invert;
int val;
int ret;
val = tda7419_vol_put_value(ucontrol->value.integer.value[0],
thresh, invert);
ret = snd_soc_component_update_bits(component, reg,
mask, val);
if (ret < 0)
return ret;
if (tda7419_vol_is_stereo(tvc)) {
val = tda7419_vol_put_value(ucontrol->value.integer.value[1],
thresh, invert);
ret = snd_soc_component_update_bits(component, rreg,
mask, val);
}
return ret;
}
#define TDA7419_SINGLE_VALUE(xreg, xmask, xmin, xmax, xthresh, xinvert) \
((unsigned long)&(struct tda7419_vol_control) \
{.reg = xreg, .rreg = xreg, .mask = xmask, .min = xmin, \
.max = xmax, .thresh = xthresh, .invert = xinvert})
#define TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, xmin, xmax, xthresh, \
xinvert) \
((unsigned long)&(struct tda7419_vol_control) \
{.reg = xregl, .rreg = xregr, .mask = xmask, .min = xmin, \
.max = xmax, .thresh = xthresh, .invert = xinvert})
#define TDA7419_SINGLE_TLV(xname, xreg, xmask, xmin, xmax, xthresh, \
xinvert, xtlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.tlv.p = (xtlv_array), \
.info = tda7419_vol_info, \
.get = tda7419_vol_get, \
.put = tda7419_vol_put, \
.private_value = TDA7419_SINGLE_VALUE(xreg, xmask, xmin, \
xmax, xthresh, xinvert), \
}
#define TDA7419_DOUBLE_R_TLV(xname, xregl, xregr, xmask, xmin, xmax, \
xthresh, xinvert, xtlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.tlv.p = (xtlv_array), \
.info = tda7419_vol_info, \
.get = tda7419_vol_get, \
.put = tda7419_vol_put, \
.private_value = TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, \
xmin, xmax, xthresh, \
xinvert), \
}
static const char * const enum_src_sel[] = {
"QD", "SE1", "SE2", "SE3", "SE", "Mute", "Mute", "Mute"};
static SOC_ENUM_SINGLE_DECL(soc_enum_main_src_sel,
TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_SEL, enum_src_sel);
static const struct snd_kcontrol_new soc_mux_main_src_sel =
SOC_DAPM_ENUM("Main Source Select", soc_enum_main_src_sel);
static DECLARE_TLV_DB_SCALE(tlv_src_gain, 0, 100, 0);
static DECLARE_TLV_DB_SCALE(tlv_loudness_atten, -1500, 100, 0);
static const char * const enum_loudness_center_freq[] = {
"Flat", "400 Hz", "800 Hz", "2400 Hz"};
static SOC_ENUM_SINGLE_DECL(soc_enum_loudness_center_freq,
TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_CENTER_FREQ,
enum_loudness_center_freq);
static const char * const enum_mute_influence[] = {
"Pin and IIC", "IIC"};
static SOC_ENUM_SINGLE_DECL(soc_enum_mute_influence,
TDA7419_MUTE_CLK_REG, TDA7419_MUTE_INFLUENCE, enum_mute_influence);
static const char * const enum_soft_mute_time[] = {
"0.48 ms", "0.96 ms", "123 ms", "123 ms"};
static SOC_ENUM_SINGLE_DECL(soc_enum_soft_mute_time,
TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE_TIME, enum_soft_mute_time);
static const char * const enum_soft_step_time[] = {
"0.160 ms", "0.321 ms", "0.642 ms", "1.28 ms",
"2.56 ms", "5.12 ms", "10.24 ms", "20.48 ms"};
static SOC_ENUM_SINGLE_DECL(soc_enum_soft_step_time,
TDA7419_MUTE_CLK_REG, TDA7419_SOFT_STEP_TIME, enum_soft_step_time);
static DECLARE_TLV_DB_SCALE(tlv_volume, -8000, 100, 1);
static const char * const enum_treble_center_freq[] = {
"10.0 kHz", "12.5 kHz", "15.0 kHz", "17.5 kHz"};
static DECLARE_TLV_DB_SCALE(tlv_filter, -1500, 100, 0);
static SOC_ENUM_SINGLE_DECL(soc_enum_treble_center_freq,
TDA7419_TREBLE_REG, TDA7419_TREBLE_CENTER_FREQ,
enum_treble_center_freq);
static const char * const enum_ref_out_select[] = {
"External Vref (4 V)", "Internal Vref (3.3 V)"};
static SOC_ENUM_SINGLE_DECL(soc_enum_ref_out_select,
TDA7419_TREBLE_REG, TDA7419_REF_OUT_SELECT, enum_ref_out_select);
static const char * const enum_middle_q_factor[] = {
"0.5", "0.75", "1.0", "1.25"};
static SOC_ENUM_SINGLE_DECL(soc_enum_middle_q_factor,
TDA7419_MIDDLE_REG, TDA7419_MIDDLE_Q_FACTOR, enum_middle_q_factor);
static const char * const enum_bass_q_factor[] = {
"1.0", "1.25", "1.5", "2.0"};
static SOC_ENUM_SINGLE_DECL(soc_enum_bass_q_factor,
TDA7419_BASS_REG, TDA7419_BASS_Q_FACTOR, enum_bass_q_factor);
static SOC_ENUM_SINGLE_DECL(soc_enum_second_src_sel,
TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_SEL, enum_src_sel);
static const struct snd_kcontrol_new soc_mux_second_src_sel =
SOC_DAPM_ENUM("Second Source Select", soc_enum_second_src_sel);
static const char * const enum_rear_spkr_src[] = {
"Main", "Second"};
static SOC_ENUM_SINGLE_DECL(soc_enum_rear_spkr_src,
TDA7419_SECOND_SRC_REG, TDA7419_REAR_SPKR_SRC, enum_rear_spkr_src);
static const struct snd_kcontrol_new soc_mux_rear_spkr_src =
SOC_DAPM_ENUM("Rear Speaker Source", soc_enum_rear_spkr_src);
static const char * const enum_sub_cut_off_freq[] = {
"Flat", "80 Hz", "120 Hz", "160 Hz"};
static SOC_ENUM_SINGLE_DECL(soc_enum_sub_cut_off_freq,
TDA7419_SUB_MID_BASS_REG, TDA7419_SUB_CUT_OFF_FREQ,
enum_sub_cut_off_freq);
static const char * const enum_middle_center_freq[] = {
"500 Hz", "1000 Hz", "1500 Hz", "2500 Hz"};
static SOC_ENUM_SINGLE_DECL(soc_enum_middle_center_freq,
TDA7419_SUB_MID_BASS_REG, TDA7419_MIDDLE_CENTER_FREQ,
enum_middle_center_freq);
static const char * const enum_bass_center_freq[] = {
"60 Hz", "80 Hz", "100 Hz", "200 Hz"};
static SOC_ENUM_SINGLE_DECL(soc_enum_bass_center_freq,
TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_CENTER_FREQ,
enum_bass_center_freq);
static const char * const enum_sa_q_factor[] = {
"3.5", "1.75" };
static SOC_ENUM_SINGLE_DECL(soc_enum_sa_q_factor,
TDA7419_SA_CLK_AC_REG, TDA7419_SA_Q_FACTOR, enum_sa_q_factor);
static const char * const enum_reset_mode[] = {
"IIC", "Auto" };
static SOC_ENUM_SINGLE_DECL(soc_enum_reset_mode,
TDA7419_SA_CLK_AC_REG, TDA7419_RESET_MODE, enum_reset_mode);
static const char * const enum_sa_src[] = {
"Bass", "In Gain" };
static SOC_ENUM_SINGLE_DECL(soc_enum_sa_src,
TDA7419_SA_CLK_AC_REG, TDA7419_SA_SOURCE, enum_sa_src);
static const char * const enum_clk_src[] = {
"Internal", "External" };
static SOC_ENUM_SINGLE_DECL(soc_enum_clk_src,
TDA7419_SA_CLK_AC_REG, TDA7419_CLK_SOURCE, enum_clk_src);
static const char * const enum_coupling_mode[] = {
"DC Coupling (without HPF)", "AC Coupling after In Gain",
"DC Coupling (with HPF)", "AC Coupling after Bass" };
static SOC_ENUM_SINGLE_DECL(soc_enum_coupling_mode,
TDA7419_SA_CLK_AC_REG, TDA7419_COUPLING_MODE, enum_coupling_mode);
/* ASoC Controls */
static struct snd_kcontrol_new tda7419_controls[] = {
SOC_SINGLE_TLV("Main Source Capture Volume", TDA7419_MAIN_SRC_REG,
TDA7419_MAIN_SRC_GAIN, 15, 0, tlv_src_gain),
SOC_SINGLE("Main Source AutoZero Switch", TDA7419_MAIN_SRC_REG,
TDA7419_MAIN_SRC_AUTOZERO, 1, 1),
SOC_SINGLE_TLV("Loudness Playback Volume", TDA7419_LOUDNESS_REG,
TDA7419_LOUDNESS_ATTEN, 15, 1, tlv_loudness_atten),
SOC_ENUM("Loudness Center Frequency", soc_enum_loudness_center_freq),
SOC_SINGLE("Loudness High Boost Switch", TDA7419_LOUDNESS_REG,
TDA7419_LOUDNESS_BOOST, 1, 1),
SOC_SINGLE("Loudness Soft Step Switch", TDA7419_LOUDNESS_REG,
TDA7419_LOUDNESS_SOFT_STEP, 1, 1),
SOC_SINGLE("Soft Mute Switch", TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE, 1, 1),
SOC_ENUM("Mute Influence", soc_enum_mute_influence),
SOC_ENUM("Soft Mute Time", soc_enum_soft_mute_time),
SOC_ENUM("Soft Step Time", soc_enum_soft_step_time),
SOC_SINGLE("Clock Fast Mode Switch", TDA7419_MUTE_CLK_REG,
TDA7419_CLK_FAST_MODE, 1, 1),
TDA7419_SINGLE_TLV("Master Playback Volume", TDA7419_VOLUME_REG,
0x7f, -80, 15, 0x10, 0, tlv_volume),
SOC_SINGLE("Volume Soft Step Switch", TDA7419_VOLUME_REG,
TDA7419_VOLUME_SOFT_STEP, 1, 1),
TDA7419_SINGLE_TLV("Treble Playback Volume", TDA7419_TREBLE_REG,
0x1f, -15, 15, 0x10, 1, tlv_filter),
SOC_ENUM("Treble Center Frequency", soc_enum_treble_center_freq),
SOC_ENUM("Reference Output Select", soc_enum_ref_out_select),
TDA7419_SINGLE_TLV("Middle Playback Volume", TDA7419_MIDDLE_REG,
0x1f, -15, 15, 0x10, 1, tlv_filter),
SOC_ENUM("Middle Q Factor", soc_enum_middle_q_factor),
SOC_SINGLE("Middle Soft Step Switch", TDA7419_MIDDLE_REG,
TDA7419_MIDDLE_SOFT_STEP, 1, 1),
TDA7419_SINGLE_TLV("Bass Playback Volume", TDA7419_BASS_REG,
0x1f, -15, 15, 0x10, 1, tlv_filter),
SOC_ENUM("Bass Q Factor", soc_enum_bass_q_factor),
SOC_SINGLE("Bass Soft Step Switch", TDA7419_BASS_REG,
TDA7419_BASS_SOFT_STEP, 1, 1),
SOC_SINGLE_TLV("Second Source Capture Volume", TDA7419_SECOND_SRC_REG,
TDA7419_SECOND_SRC_GAIN, 15, 0, tlv_src_gain),
SOC_ENUM("Subwoofer Cut-off Frequency", soc_enum_sub_cut_off_freq),
SOC_ENUM("Middle Center Frequency", soc_enum_middle_center_freq),
SOC_ENUM("Bass Center Frequency", soc_enum_bass_center_freq),
SOC_SINGLE("Bass DC Mode Switch", TDA7419_SUB_MID_BASS_REG,
TDA7419_BASS_DC_MODE, 1, 1),
SOC_SINGLE("Smoothing Filter Switch", TDA7419_SUB_MID_BASS_REG,
TDA7419_SMOOTHING_FILTER, 1, 1),
TDA7419_DOUBLE_R_TLV("Front Speaker Playback Volume", TDA7419_ATTENUATOR_LF_REG,
TDA7419_ATTENUATOR_RF_REG, 0x7f, -80, 15, 0x10, 0,
tlv_volume),
SOC_SINGLE("Left Front Soft Step Switch", TDA7419_ATTENUATOR_LF_REG,
TDA7419_VOLUME_SOFT_STEP, 1, 1),
SOC_SINGLE("Right Front Soft Step Switch", TDA7419_ATTENUATOR_RF_REG,
TDA7419_VOLUME_SOFT_STEP, 1, 1),
TDA7419_DOUBLE_R_TLV("Rear Speaker Playback Volume", TDA7419_ATTENUATOR_LR_REG,
TDA7419_ATTENUATOR_RR_REG, 0x7f, -80, 15, 0x10, 0,
tlv_volume),
SOC_SINGLE("Left Rear Soft Step Switch", TDA7419_ATTENUATOR_LR_REG,
TDA7419_VOLUME_SOFT_STEP, 1, 1),
SOC_SINGLE("Right Rear Soft Step Switch", TDA7419_ATTENUATOR_RR_REG,
TDA7419_VOLUME_SOFT_STEP, 1, 1),
TDA7419_SINGLE_TLV("Mixing Capture Volume", TDA7419_MIXING_LEVEL_REG,
0x7f, -80, 15, 0x10, 0, tlv_volume),
SOC_SINGLE("Mixing Level Soft Step Switch", TDA7419_MIXING_LEVEL_REG,
TDA7419_VOLUME_SOFT_STEP, 1, 1),
TDA7419_SINGLE_TLV("Subwoofer Playback Volume", TDA7419_ATTENUATOR_SUB_REG,
0x7f, -80, 15, 0x10, 0, tlv_volume),
SOC_SINGLE("Subwoofer Soft Step Switch", TDA7419_ATTENUATOR_SUB_REG,
TDA7419_VOLUME_SOFT_STEP, 1, 1),
SOC_ENUM("Spectrum Analyzer Q Factor", soc_enum_sa_q_factor),
SOC_ENUM("Spectrum Analyzer Reset Mode", soc_enum_reset_mode),
SOC_ENUM("Spectrum Analyzer Source", soc_enum_sa_src),
SOC_SINGLE("Spectrum Analyzer Run Switch", TDA7419_SA_CLK_AC_REG,
TDA7419_SA_RUN, 1, 1),
SOC_SINGLE("Spectrum Analyzer Reset Switch", TDA7419_SA_CLK_AC_REG,
TDA7419_RESET, 1, 1),
SOC_ENUM("Clock Source", soc_enum_clk_src),
SOC_ENUM("Coupling Mode", soc_enum_coupling_mode),
};
static const struct snd_kcontrol_new soc_mixer_lf_output_controls[] = {
SOC_DAPM_SINGLE("Mix to LF Speaker Switch",
TDA7419_MIXING_GAIN_REG,
TDA7419_MIX_LF, 1, 1),
};
static const struct snd_kcontrol_new soc_mixer_rf_output_controls[] = {
SOC_DAPM_SINGLE("Mix to RF Speaker Switch",
TDA7419_MIXING_GAIN_REG,
TDA7419_MIX_RF, 1, 1),
};
static const struct snd_kcontrol_new soc_mix_enable_switch_controls[] = {
SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,
TDA7419_MIX_ENABLE, 1, 1),
};
static const struct snd_kcontrol_new soc_sub_enable_switch_controls[] = {
SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,
TDA7419_MIX_ENABLE, 1, 1),
};
static const struct snd_soc_dapm_widget tda7419_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("SE3L"),
SND_SOC_DAPM_INPUT("SE3R"),
SND_SOC_DAPM_INPUT("SE2L"),
SND_SOC_DAPM_INPUT("SE2R"),
SND_SOC_DAPM_INPUT("SE1L"),
SND_SOC_DAPM_INPUT("SE1R"),
SND_SOC_DAPM_INPUT("DIFFL"),
SND_SOC_DAPM_INPUT("DIFFR"),
SND_SOC_DAPM_INPUT("MIX"),
SND_SOC_DAPM_MUX("Main Source Select", SND_SOC_NOPM,
0, 0, &soc_mux_main_src_sel),
SND_SOC_DAPM_MUX("Second Source Select", SND_SOC_NOPM,
0, 0, &soc_mux_second_src_sel),
SND_SOC_DAPM_MUX("Rear Speaker Source", SND_SOC_NOPM,
0, 0, &soc_mux_rear_spkr_src),
SND_SOC_DAPM_SWITCH("Mix Enable", SND_SOC_NOPM,
0, 0, &soc_mix_enable_switch_controls[0]),
SND_SOC_DAPM_MIXER_NAMED_CTL("LF Output Mixer", SND_SOC_NOPM,
0, 0, &soc_mixer_lf_output_controls[0],
ARRAY_SIZE(soc_mixer_lf_output_controls)),
SND_SOC_DAPM_MIXER_NAMED_CTL("RF Output Mixer", SND_SOC_NOPM,
0, 0, &soc_mixer_rf_output_controls[0],
ARRAY_SIZE(soc_mixer_rf_output_controls)),
SND_SOC_DAPM_SWITCH("Subwoofer Enable",
SND_SOC_NOPM, 0, 0,
&soc_sub_enable_switch_controls[0]),
SND_SOC_DAPM_OUTPUT("OUTLF"),
SND_SOC_DAPM_OUTPUT("OUTRF"),
SND_SOC_DAPM_OUTPUT("OUTLR"),
SND_SOC_DAPM_OUTPUT("OUTRR"),
SND_SOC_DAPM_OUTPUT("OUTSW"),
};
static const struct snd_soc_dapm_route tda7419_dapm_routes[] = {
{"Main Source Select", "SE3", "SE3L"},
{"Main Source Select", "SE3", "SE3R"},
{"Main Source Select", "SE2", "SE2L"},
{"Main Source Select", "SE2", "SE2R"},
{"Main Source Select", "SE1", "SE1L"},
{"Main Source Select", "SE1", "SE1R"},
{"Main Source Select", "SE", "DIFFL"},
{"Main Source Select", "SE", "DIFFR"},
{"Main Source Select", "QD", "DIFFL"},
{"Main Source Select", "QD", "DIFFR"},
{"Second Source Select", "SE3", "SE3L"},
{"Second Source Select", "SE3", "SE3R"},
{"Second Source Select", "SE2", "SE2L"},
{"Second Source Select", "SE2", "SE2R"},
{"Second Source Select", "SE1", "SE1L"},
{"Second Source Select", "SE1", "SE1R"},
{"Second Source Select", "SE", "DIFFL"},
{"Second Source Select", "SE", "DIFFR"},
{"Second Source Select", "QD", "DIFFL"},
{"Second Source Select", "QD", "DIFFR"},
{"Rear Speaker Source", "Main", "Main Source Select"},
{"Rear Speaker Source", "Second", "Second Source Select"},
{"Subwoofer Enable", "Switch", "Main Source Select"},
{"Mix Enable", "Switch", "MIX"},
{"LF Output Mixer", NULL, "Main Source Select"},
{"LF Output Mixer", "Mix to LF Speaker Switch", "Mix Enable"},
{"RF Output Mixer", NULL, "Main Source Select"},
{"RF Output Mixer", "Mix to RF Speaker Switch", "Mix Enable"},
{"OUTLF", NULL, "LF Output Mixer"},
{"OUTRF", NULL, "RF Output Mixer"},
{"OUTLR", NULL, "Rear Speaker Source"},
{"OUTRR", NULL, "Rear Speaker Source"},
{"OUTSW", NULL, "Subwoofer Enable"},
};
static const struct snd_soc_component_driver tda7419_component_driver = {
.name = "tda7419",
.controls = tda7419_controls,
.num_controls = ARRAY_SIZE(tda7419_controls),
.dapm_widgets = tda7419_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(tda7419_dapm_widgets),
.dapm_routes = tda7419_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(tda7419_dapm_routes),
};
static int tda7419_probe(struct i2c_client *i2c)
{
struct tda7419_data *tda7419;
int i, ret;
tda7419 = devm_kzalloc(&i2c->dev,
sizeof(struct tda7419_data),
GFP_KERNEL);
if (tda7419 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, tda7419);
tda7419->regmap = devm_regmap_init_i2c(i2c, &tda7419_regmap_config);
if (IS_ERR(tda7419->regmap)) {
ret = PTR_ERR(tda7419->regmap);
dev_err(&i2c->dev, "error initializing regmap: %d\n",
ret);
return ret;
}
/*
* Reset registers to power-on defaults. The part does not provide a
* soft-reset function and the registers are not readable. This ensures
* that the cache matches register contents even if the registers have
* been previously initialized and not power cycled before probe.
*/
for (i = 0; i < ARRAY_SIZE(tda7419_regmap_defaults); i++)
regmap_write(tda7419->regmap,
tda7419_regmap_defaults[i].reg,
tda7419_regmap_defaults[i].def);
ret = devm_snd_soc_register_component(&i2c->dev,
&tda7419_component_driver, NULL, 0);
if (ret < 0) {
dev_err(&i2c->dev, "error registering component: %d\n",
ret);
}
return ret;
}
static const struct i2c_device_id tda7419_i2c_id[] = {
{ "tda7419" },
{ }
};
MODULE_DEVICE_TABLE(i2c, tda7419_i2c_id);
static const struct of_device_id tda7419_of_match[] = {
{ .compatible = "st,tda7419" },
{ },
};
MODULE_DEVICE_TABLE(of, tda7419_of_match);
static struct i2c_driver tda7419_driver = {
.driver = {
.name = "tda7419",
.of_match_table = tda7419_of_match,
},
.probe = tda7419_probe,
.id_table = tda7419_i2c_id,
};
module_i2c_driver(tda7419_driver);
MODULE_AUTHOR("Matt Porter <[email protected]>");
MODULE_DESCRIPTION("TDA7419 audio processor driver");
MODULE_LICENSE("GPL");
Codebase Browser
linux