642 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * TDA7419 audio processor driver4 *5 * Copyright 2018 Konsulko Group6 *7 * Author: Matt Porter <mporter@konsulko.com>8 */9 10#include <linux/i2c.h>11#include <linux/init.h>12#include <linux/module.h>13#include <linux/regmap.h>14#include <sound/core.h>15#include <sound/control.h>16#include <sound/soc.h>17#include <sound/tlv.h>18 19#define TDA7419_MAIN_SRC_REG 0x0020#define TDA7419_LOUDNESS_REG 0x0121#define TDA7419_MUTE_CLK_REG 0x0222#define TDA7419_VOLUME_REG 0x0323#define TDA7419_TREBLE_REG 0x0424#define TDA7419_MIDDLE_REG 0x0525#define TDA7419_BASS_REG 0x0626#define TDA7419_SECOND_SRC_REG 0x0727#define TDA7419_SUB_MID_BASS_REG 0x0828#define TDA7419_MIXING_GAIN_REG 0x0929#define TDA7419_ATTENUATOR_LF_REG 0x0a30#define TDA7419_ATTENUATOR_RF_REG 0x0b31#define TDA7419_ATTENUATOR_LR_REG 0x0c32#define TDA7419_ATTENUATOR_RR_REG 0x0d33#define TDA7419_MIXING_LEVEL_REG 0x0e34#define TDA7419_ATTENUATOR_SUB_REG 0x0f35#define TDA7419_SA_CLK_AC_REG 0x1036#define TDA7419_TESTING_REG 0x1137 38#define TDA7419_MAIN_SRC_SEL 039#define TDA7419_MAIN_SRC_GAIN 340#define TDA7419_MAIN_SRC_AUTOZERO 741 42#define TDA7419_LOUDNESS_ATTEN 043#define TDA7419_LOUDNESS_CENTER_FREQ 444#define TDA7419_LOUDNESS_BOOST 645#define TDA7419_LOUDNESS_SOFT_STEP 746 47#define TDA7419_VOLUME_SOFT_STEP 748 49#define TDA7419_SOFT_MUTE 050#define TDA7419_MUTE_INFLUENCE 151#define TDA7419_SOFT_MUTE_TIME 252#define TDA7419_SOFT_STEP_TIME 453#define TDA7419_CLK_FAST_MODE 754 55#define TDA7419_TREBLE_CENTER_FREQ 556#define TDA7419_REF_OUT_SELECT 757 58#define TDA7419_MIDDLE_Q_FACTOR 559#define TDA7419_MIDDLE_SOFT_STEP 760 61#define TDA7419_BASS_Q_FACTOR 562#define TDA7419_BASS_SOFT_STEP 763 64#define TDA7419_SECOND_SRC_SEL 065#define TDA7419_SECOND_SRC_GAIN 366#define TDA7419_REAR_SPKR_SRC 767 68#define TDA7419_SUB_CUT_OFF_FREQ 069#define TDA7419_MIDDLE_CENTER_FREQ 270#define TDA7419_BASS_CENTER_FREQ 471#define TDA7419_BASS_DC_MODE 672#define TDA7419_SMOOTHING_FILTER 773 74#define TDA7419_MIX_LF 075#define TDA7419_MIX_RF 176#define TDA7419_MIX_ENABLE 277#define TDA7419_SUB_ENABLE 378#define TDA7419_HPF_GAIN 479 80#define TDA7419_SA_Q_FACTOR 081#define TDA7419_RESET_MODE 182#define TDA7419_SA_SOURCE 283#define TDA7419_SA_RUN 384#define TDA7419_RESET 485#define TDA7419_CLK_SOURCE 586#define TDA7419_COUPLING_MODE 687 88struct tda7419_data {89 struct regmap *regmap;90};91 92static bool tda7419_readable_reg(struct device *dev, unsigned int reg)93{94 return false;95}96 97static const struct reg_default tda7419_regmap_defaults[] = {98 { TDA7419_MAIN_SRC_REG, 0xfe },99 { TDA7419_LOUDNESS_REG, 0xfe },100 { TDA7419_MUTE_CLK_REG, 0xfe },101 { TDA7419_VOLUME_REG, 0xfe },102 { TDA7419_TREBLE_REG, 0xfe },103 { TDA7419_MIDDLE_REG, 0xfe },104 { TDA7419_BASS_REG, 0xfe },105 { TDA7419_SECOND_SRC_REG, 0xfe },106 { TDA7419_SUB_MID_BASS_REG, 0xfe },107 { TDA7419_MIXING_GAIN_REG, 0xfe },108 { TDA7419_ATTENUATOR_LF_REG, 0xfe },109 { TDA7419_ATTENUATOR_RF_REG, 0xfe },110 { TDA7419_ATTENUATOR_LR_REG, 0xfe },111 { TDA7419_ATTENUATOR_RR_REG, 0xfe },112 { TDA7419_MIXING_LEVEL_REG, 0xfe },113 { TDA7419_ATTENUATOR_SUB_REG, 0xfe },114 { TDA7419_SA_CLK_AC_REG, 0xfe },115 { TDA7419_TESTING_REG, 0xfe },116};117 118static const struct regmap_config tda7419_regmap_config = {119 .reg_bits = 8,120 .val_bits = 8,121 .max_register = TDA7419_TESTING_REG,122 .cache_type = REGCACHE_RBTREE,123 .readable_reg = tda7419_readable_reg,124 .reg_defaults = tda7419_regmap_defaults,125 .num_reg_defaults = ARRAY_SIZE(tda7419_regmap_defaults),126};127 128struct tda7419_vol_control {129 int min, max;130 unsigned int reg, rreg, mask, thresh;131 unsigned int invert:1;132};133 134static inline bool tda7419_vol_is_stereo(struct tda7419_vol_control *tvc)135{136 if (tvc->reg == tvc->rreg)137 return false;138 139 return true;140}141 142static int tda7419_vol_info(struct snd_kcontrol *kcontrol,143 struct snd_ctl_elem_info *uinfo)144{145 struct tda7419_vol_control *tvc =146 (struct tda7419_vol_control *)kcontrol->private_value;147 148 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;149 uinfo->count = tda7419_vol_is_stereo(tvc) ? 2 : 1;150 uinfo->value.integer.min = tvc->min;151 uinfo->value.integer.max = tvc->max;152 153 return 0;154}155 156static inline int tda7419_vol_get_value(int val, unsigned int mask,157 int min, int thresh,158 unsigned int invert)159{160 val &= mask;161 if (val < thresh) {162 if (invert)163 val = 0 - val;164 } else if (val > thresh) {165 if (invert)166 val = val - thresh;167 else168 val = thresh - val;169 }170 171 if (val < min)172 val = min;173 174 return val;175}176 177static int tda7419_vol_get(struct snd_kcontrol *kcontrol,178 struct snd_ctl_elem_value *ucontrol)179{180 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);181 struct tda7419_vol_control *tvc =182 (struct tda7419_vol_control *)kcontrol->private_value;183 unsigned int reg = tvc->reg;184 unsigned int rreg = tvc->rreg;185 unsigned int mask = tvc->mask;186 int min = tvc->min;187 int thresh = tvc->thresh;188 unsigned int invert = tvc->invert;189 int val;190 191 val = snd_soc_component_read(component, reg);192 ucontrol->value.integer.value[0] =193 tda7419_vol_get_value(val, mask, min, thresh, invert);194 195 if (tda7419_vol_is_stereo(tvc)) {196 val = snd_soc_component_read(component, rreg);197 ucontrol->value.integer.value[1] =198 tda7419_vol_get_value(val, mask, min, thresh, invert);199 }200 201 return 0;202}203 204static inline int tda7419_vol_put_value(int val, int thresh,205 unsigned int invert)206{207 if (val < 0) {208 if (invert)209 val = abs(val);210 else211 val = thresh - val;212 } else if ((val > 0) && invert) {213 val += thresh;214 }215 216 return val;217}218 219static int tda7419_vol_put(struct snd_kcontrol *kcontrol,220 struct snd_ctl_elem_value *ucontrol)221{222 struct snd_soc_component *component =223 snd_kcontrol_chip(kcontrol);224 struct tda7419_vol_control *tvc =225 (struct tda7419_vol_control *)kcontrol->private_value;226 unsigned int reg = tvc->reg;227 unsigned int rreg = tvc->rreg;228 unsigned int mask = tvc->mask;229 int thresh = tvc->thresh;230 unsigned int invert = tvc->invert;231 int val;232 int ret;233 234 val = tda7419_vol_put_value(ucontrol->value.integer.value[0],235 thresh, invert);236 ret = snd_soc_component_update_bits(component, reg,237 mask, val);238 if (ret < 0)239 return ret;240 241 if (tda7419_vol_is_stereo(tvc)) {242 val = tda7419_vol_put_value(ucontrol->value.integer.value[1],243 thresh, invert);244 ret = snd_soc_component_update_bits(component, rreg,245 mask, val);246 }247 248 return ret;249}250 251#define TDA7419_SINGLE_VALUE(xreg, xmask, xmin, xmax, xthresh, xinvert) \252 ((unsigned long)&(struct tda7419_vol_control) \253 {.reg = xreg, .rreg = xreg, .mask = xmask, .min = xmin, \254 .max = xmax, .thresh = xthresh, .invert = xinvert})255 256#define TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, xmin, xmax, xthresh, \257 xinvert) \258 ((unsigned long)&(struct tda7419_vol_control) \259 {.reg = xregl, .rreg = xregr, .mask = xmask, .min = xmin, \260 .max = xmax, .thresh = xthresh, .invert = xinvert})261 262#define TDA7419_SINGLE_TLV(xname, xreg, xmask, xmin, xmax, xthresh, \263 xinvert, xtlv_array) \264{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \265 .name = xname, \266 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \267 SNDRV_CTL_ELEM_ACCESS_READWRITE, \268 .tlv.p = (xtlv_array), \269 .info = tda7419_vol_info, \270 .get = tda7419_vol_get, \271 .put = tda7419_vol_put, \272 .private_value = TDA7419_SINGLE_VALUE(xreg, xmask, xmin, \273 xmax, xthresh, xinvert), \274}275 276#define TDA7419_DOUBLE_R_TLV(xname, xregl, xregr, xmask, xmin, xmax, \277 xthresh, xinvert, xtlv_array) \278{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \279 .name = xname, \280 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \281 SNDRV_CTL_ELEM_ACCESS_READWRITE, \282 .tlv.p = (xtlv_array), \283 .info = tda7419_vol_info, \284 .get = tda7419_vol_get, \285 .put = tda7419_vol_put, \286 .private_value = TDA7419_DOUBLE_R_VALUE(xregl, xregr, xmask, \287 xmin, xmax, xthresh, \288 xinvert), \289}290 291static const char * const enum_src_sel[] = {292 "QD", "SE1", "SE2", "SE3", "SE", "Mute", "Mute", "Mute"};293static SOC_ENUM_SINGLE_DECL(soc_enum_main_src_sel,294 TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_SEL, enum_src_sel);295static const struct snd_kcontrol_new soc_mux_main_src_sel =296 SOC_DAPM_ENUM("Main Source Select", soc_enum_main_src_sel);297static DECLARE_TLV_DB_SCALE(tlv_src_gain, 0, 100, 0);298static DECLARE_TLV_DB_SCALE(tlv_loudness_atten, -1500, 100, 0);299static const char * const enum_loudness_center_freq[] = {300 "Flat", "400 Hz", "800 Hz", "2400 Hz"};301static SOC_ENUM_SINGLE_DECL(soc_enum_loudness_center_freq,302 TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_CENTER_FREQ,303 enum_loudness_center_freq);304static const char * const enum_mute_influence[] = {305 "Pin and IIC", "IIC"};306static SOC_ENUM_SINGLE_DECL(soc_enum_mute_influence,307 TDA7419_MUTE_CLK_REG, TDA7419_MUTE_INFLUENCE, enum_mute_influence);308static const char * const enum_soft_mute_time[] = {309 "0.48 ms", "0.96 ms", "123 ms", "123 ms"};310static SOC_ENUM_SINGLE_DECL(soc_enum_soft_mute_time,311 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE_TIME, enum_soft_mute_time);312static const char * const enum_soft_step_time[] = {313 "0.160 ms", "0.321 ms", "0.642 ms", "1.28 ms",314 "2.56 ms", "5.12 ms", "10.24 ms", "20.48 ms"};315static SOC_ENUM_SINGLE_DECL(soc_enum_soft_step_time,316 TDA7419_MUTE_CLK_REG, TDA7419_SOFT_STEP_TIME, enum_soft_step_time);317static DECLARE_TLV_DB_SCALE(tlv_volume, -8000, 100, 1);318static const char * const enum_treble_center_freq[] = {319 "10.0 kHz", "12.5 kHz", "15.0 kHz", "17.5 kHz"};320static DECLARE_TLV_DB_SCALE(tlv_filter, -1500, 100, 0);321static SOC_ENUM_SINGLE_DECL(soc_enum_treble_center_freq,322 TDA7419_TREBLE_REG, TDA7419_TREBLE_CENTER_FREQ,323 enum_treble_center_freq);324static const char * const enum_ref_out_select[] = {325 "External Vref (4 V)", "Internal Vref (3.3 V)"};326static SOC_ENUM_SINGLE_DECL(soc_enum_ref_out_select,327 TDA7419_TREBLE_REG, TDA7419_REF_OUT_SELECT, enum_ref_out_select);328static const char * const enum_middle_q_factor[] = {329 "0.5", "0.75", "1.0", "1.25"};330static SOC_ENUM_SINGLE_DECL(soc_enum_middle_q_factor,331 TDA7419_MIDDLE_REG, TDA7419_MIDDLE_Q_FACTOR, enum_middle_q_factor);332static const char * const enum_bass_q_factor[] = {333 "1.0", "1.25", "1.5", "2.0"};334static SOC_ENUM_SINGLE_DECL(soc_enum_bass_q_factor,335 TDA7419_BASS_REG, TDA7419_BASS_Q_FACTOR, enum_bass_q_factor);336static SOC_ENUM_SINGLE_DECL(soc_enum_second_src_sel,337 TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_SEL, enum_src_sel);338static const struct snd_kcontrol_new soc_mux_second_src_sel =339 SOC_DAPM_ENUM("Second Source Select", soc_enum_second_src_sel);340static const char * const enum_rear_spkr_src[] = {341 "Main", "Second"};342static SOC_ENUM_SINGLE_DECL(soc_enum_rear_spkr_src,343 TDA7419_SECOND_SRC_REG, TDA7419_REAR_SPKR_SRC, enum_rear_spkr_src);344static const struct snd_kcontrol_new soc_mux_rear_spkr_src =345 SOC_DAPM_ENUM("Rear Speaker Source", soc_enum_rear_spkr_src);346static const char * const enum_sub_cut_off_freq[] = {347 "Flat", "80 Hz", "120 Hz", "160 Hz"};348static SOC_ENUM_SINGLE_DECL(soc_enum_sub_cut_off_freq,349 TDA7419_SUB_MID_BASS_REG, TDA7419_SUB_CUT_OFF_FREQ,350 enum_sub_cut_off_freq);351static const char * const enum_middle_center_freq[] = {352 "500 Hz", "1000 Hz", "1500 Hz", "2500 Hz"};353static SOC_ENUM_SINGLE_DECL(soc_enum_middle_center_freq,354 TDA7419_SUB_MID_BASS_REG, TDA7419_MIDDLE_CENTER_FREQ,355 enum_middle_center_freq);356static const char * const enum_bass_center_freq[] = {357 "60 Hz", "80 Hz", "100 Hz", "200 Hz"};358static SOC_ENUM_SINGLE_DECL(soc_enum_bass_center_freq,359 TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_CENTER_FREQ,360 enum_bass_center_freq);361static const char * const enum_sa_q_factor[] = {362 "3.5", "1.75" };363static SOC_ENUM_SINGLE_DECL(soc_enum_sa_q_factor,364 TDA7419_SA_CLK_AC_REG, TDA7419_SA_Q_FACTOR, enum_sa_q_factor);365static const char * const enum_reset_mode[] = {366 "IIC", "Auto" };367static SOC_ENUM_SINGLE_DECL(soc_enum_reset_mode,368 TDA7419_SA_CLK_AC_REG, TDA7419_RESET_MODE, enum_reset_mode);369static const char * const enum_sa_src[] = {370 "Bass", "In Gain" };371static SOC_ENUM_SINGLE_DECL(soc_enum_sa_src,372 TDA7419_SA_CLK_AC_REG, TDA7419_SA_SOURCE, enum_sa_src);373static const char * const enum_clk_src[] = {374 "Internal", "External" };375static SOC_ENUM_SINGLE_DECL(soc_enum_clk_src,376 TDA7419_SA_CLK_AC_REG, TDA7419_CLK_SOURCE, enum_clk_src);377static const char * const enum_coupling_mode[] = {378 "DC Coupling (without HPF)", "AC Coupling after In Gain",379 "DC Coupling (with HPF)", "AC Coupling after Bass" };380static SOC_ENUM_SINGLE_DECL(soc_enum_coupling_mode,381 TDA7419_SA_CLK_AC_REG, TDA7419_COUPLING_MODE, enum_coupling_mode);382 383/* ASoC Controls */384static struct snd_kcontrol_new tda7419_controls[] = {385SOC_SINGLE_TLV("Main Source Capture Volume", TDA7419_MAIN_SRC_REG,386 TDA7419_MAIN_SRC_GAIN, 15, 0, tlv_src_gain),387SOC_SINGLE("Main Source AutoZero Switch", TDA7419_MAIN_SRC_REG,388 TDA7419_MAIN_SRC_AUTOZERO, 1, 1),389SOC_SINGLE_TLV("Loudness Playback Volume", TDA7419_LOUDNESS_REG,390 TDA7419_LOUDNESS_ATTEN, 15, 1, tlv_loudness_atten),391SOC_ENUM("Loudness Center Frequency", soc_enum_loudness_center_freq),392SOC_SINGLE("Loudness High Boost Switch", TDA7419_LOUDNESS_REG,393 TDA7419_LOUDNESS_BOOST, 1, 1),394SOC_SINGLE("Loudness Soft Step Switch", TDA7419_LOUDNESS_REG,395 TDA7419_LOUDNESS_SOFT_STEP, 1, 1),396SOC_SINGLE("Soft Mute Switch", TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE, 1, 1),397SOC_ENUM("Mute Influence", soc_enum_mute_influence),398SOC_ENUM("Soft Mute Time", soc_enum_soft_mute_time),399SOC_ENUM("Soft Step Time", soc_enum_soft_step_time),400SOC_SINGLE("Clock Fast Mode Switch", TDA7419_MUTE_CLK_REG,401 TDA7419_CLK_FAST_MODE, 1, 1),402TDA7419_SINGLE_TLV("Master Playback Volume", TDA7419_VOLUME_REG,403 0x7f, -80, 15, 0x10, 0, tlv_volume),404SOC_SINGLE("Volume Soft Step Switch", TDA7419_VOLUME_REG,405 TDA7419_VOLUME_SOFT_STEP, 1, 1),406TDA7419_SINGLE_TLV("Treble Playback Volume", TDA7419_TREBLE_REG,407 0x1f, -15, 15, 0x10, 1, tlv_filter),408SOC_ENUM("Treble Center Frequency", soc_enum_treble_center_freq),409SOC_ENUM("Reference Output Select", soc_enum_ref_out_select),410TDA7419_SINGLE_TLV("Middle Playback Volume", TDA7419_MIDDLE_REG,411 0x1f, -15, 15, 0x10, 1, tlv_filter),412SOC_ENUM("Middle Q Factor", soc_enum_middle_q_factor),413SOC_SINGLE("Middle Soft Step Switch", TDA7419_MIDDLE_REG,414 TDA7419_MIDDLE_SOFT_STEP, 1, 1),415TDA7419_SINGLE_TLV("Bass Playback Volume", TDA7419_BASS_REG,416 0x1f, -15, 15, 0x10, 1, tlv_filter),417SOC_ENUM("Bass Q Factor", soc_enum_bass_q_factor),418SOC_SINGLE("Bass Soft Step Switch", TDA7419_BASS_REG,419 TDA7419_BASS_SOFT_STEP, 1, 1),420SOC_SINGLE_TLV("Second Source Capture Volume", TDA7419_SECOND_SRC_REG,421 TDA7419_SECOND_SRC_GAIN, 15, 0, tlv_src_gain),422SOC_ENUM("Subwoofer Cut-off Frequency", soc_enum_sub_cut_off_freq),423SOC_ENUM("Middle Center Frequency", soc_enum_middle_center_freq),424SOC_ENUM("Bass Center Frequency", soc_enum_bass_center_freq),425SOC_SINGLE("Bass DC Mode Switch", TDA7419_SUB_MID_BASS_REG,426 TDA7419_BASS_DC_MODE, 1, 1),427SOC_SINGLE("Smoothing Filter Switch", TDA7419_SUB_MID_BASS_REG,428 TDA7419_SMOOTHING_FILTER, 1, 1),429TDA7419_DOUBLE_R_TLV("Front Speaker Playback Volume", TDA7419_ATTENUATOR_LF_REG,430 TDA7419_ATTENUATOR_RF_REG, 0x7f, -80, 15, 0x10, 0,431 tlv_volume),432SOC_SINGLE("Left Front Soft Step Switch", TDA7419_ATTENUATOR_LF_REG,433 TDA7419_VOLUME_SOFT_STEP, 1, 1),434SOC_SINGLE("Right Front Soft Step Switch", TDA7419_ATTENUATOR_RF_REG,435 TDA7419_VOLUME_SOFT_STEP, 1, 1),436TDA7419_DOUBLE_R_TLV("Rear Speaker Playback Volume", TDA7419_ATTENUATOR_LR_REG,437 TDA7419_ATTENUATOR_RR_REG, 0x7f, -80, 15, 0x10, 0,438 tlv_volume),439SOC_SINGLE("Left Rear Soft Step Switch", TDA7419_ATTENUATOR_LR_REG,440 TDA7419_VOLUME_SOFT_STEP, 1, 1),441SOC_SINGLE("Right Rear Soft Step Switch", TDA7419_ATTENUATOR_RR_REG,442 TDA7419_VOLUME_SOFT_STEP, 1, 1),443TDA7419_SINGLE_TLV("Mixing Capture Volume", TDA7419_MIXING_LEVEL_REG,444 0x7f, -80, 15, 0x10, 0, tlv_volume),445SOC_SINGLE("Mixing Level Soft Step Switch", TDA7419_MIXING_LEVEL_REG,446 TDA7419_VOLUME_SOFT_STEP, 1, 1),447TDA7419_SINGLE_TLV("Subwoofer Playback Volume", TDA7419_ATTENUATOR_SUB_REG,448 0x7f, -80, 15, 0x10, 0, tlv_volume),449SOC_SINGLE("Subwoofer Soft Step Switch", TDA7419_ATTENUATOR_SUB_REG,450 TDA7419_VOLUME_SOFT_STEP, 1, 1),451SOC_ENUM("Spectrum Analyzer Q Factor", soc_enum_sa_q_factor),452SOC_ENUM("Spectrum Analyzer Reset Mode", soc_enum_reset_mode),453SOC_ENUM("Spectrum Analyzer Source", soc_enum_sa_src),454SOC_SINGLE("Spectrum Analyzer Run Switch", TDA7419_SA_CLK_AC_REG,455 TDA7419_SA_RUN, 1, 1),456SOC_SINGLE("Spectrum Analyzer Reset Switch", TDA7419_SA_CLK_AC_REG,457 TDA7419_RESET, 1, 1),458SOC_ENUM("Clock Source", soc_enum_clk_src),459SOC_ENUM("Coupling Mode", soc_enum_coupling_mode),460};461 462static const struct snd_kcontrol_new soc_mixer_lf_output_controls[] = {463 SOC_DAPM_SINGLE("Mix to LF Speaker Switch",464 TDA7419_MIXING_GAIN_REG,465 TDA7419_MIX_LF, 1, 1),466};467 468static const struct snd_kcontrol_new soc_mixer_rf_output_controls[] = {469 SOC_DAPM_SINGLE("Mix to RF Speaker Switch",470 TDA7419_MIXING_GAIN_REG,471 TDA7419_MIX_RF, 1, 1),472};473 474static const struct snd_kcontrol_new soc_mix_enable_switch_controls[] = {475 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,476 TDA7419_MIX_ENABLE, 1, 1),477};478 479static const struct snd_kcontrol_new soc_sub_enable_switch_controls[] = {480 SOC_DAPM_SINGLE("Switch", TDA7419_MIXING_GAIN_REG,481 TDA7419_MIX_ENABLE, 1, 1),482};483 484static const struct snd_soc_dapm_widget tda7419_dapm_widgets[] = {485 SND_SOC_DAPM_INPUT("SE3L"),486 SND_SOC_DAPM_INPUT("SE3R"),487 SND_SOC_DAPM_INPUT("SE2L"),488 SND_SOC_DAPM_INPUT("SE2R"),489 SND_SOC_DAPM_INPUT("SE1L"),490 SND_SOC_DAPM_INPUT("SE1R"),491 SND_SOC_DAPM_INPUT("DIFFL"),492 SND_SOC_DAPM_INPUT("DIFFR"),493 SND_SOC_DAPM_INPUT("MIX"),494 495 SND_SOC_DAPM_MUX("Main Source Select", SND_SOC_NOPM,496 0, 0, &soc_mux_main_src_sel),497 SND_SOC_DAPM_MUX("Second Source Select", SND_SOC_NOPM,498 0, 0, &soc_mux_second_src_sel),499 SND_SOC_DAPM_MUX("Rear Speaker Source", SND_SOC_NOPM,500 0, 0, &soc_mux_rear_spkr_src),501 502 SND_SOC_DAPM_SWITCH("Mix Enable", SND_SOC_NOPM,503 0, 0, &soc_mix_enable_switch_controls[0]),504 SND_SOC_DAPM_MIXER_NAMED_CTL("LF Output Mixer", SND_SOC_NOPM,505 0, 0, &soc_mixer_lf_output_controls[0],506 ARRAY_SIZE(soc_mixer_lf_output_controls)),507 SND_SOC_DAPM_MIXER_NAMED_CTL("RF Output Mixer", SND_SOC_NOPM,508 0, 0, &soc_mixer_rf_output_controls[0],509 ARRAY_SIZE(soc_mixer_rf_output_controls)),510 511 SND_SOC_DAPM_SWITCH("Subwoofer Enable",512 SND_SOC_NOPM, 0, 0,513 &soc_sub_enable_switch_controls[0]),514 515 SND_SOC_DAPM_OUTPUT("OUTLF"),516 SND_SOC_DAPM_OUTPUT("OUTRF"),517 SND_SOC_DAPM_OUTPUT("OUTLR"),518 SND_SOC_DAPM_OUTPUT("OUTRR"),519 SND_SOC_DAPM_OUTPUT("OUTSW"),520};521 522static const struct snd_soc_dapm_route tda7419_dapm_routes[] = {523 {"Main Source Select", "SE3", "SE3L"},524 {"Main Source Select", "SE3", "SE3R"},525 {"Main Source Select", "SE2", "SE2L"},526 {"Main Source Select", "SE2", "SE2R"},527 {"Main Source Select", "SE1", "SE1L"},528 {"Main Source Select", "SE1", "SE1R"},529 {"Main Source Select", "SE", "DIFFL"},530 {"Main Source Select", "SE", "DIFFR"},531 {"Main Source Select", "QD", "DIFFL"},532 {"Main Source Select", "QD", "DIFFR"},533 534 {"Second Source Select", "SE3", "SE3L"},535 {"Second Source Select", "SE3", "SE3R"},536 {"Second Source Select", "SE2", "SE2L"},537 {"Second Source Select", "SE2", "SE2R"},538 {"Second Source Select", "SE1", "SE1L"},539 {"Second Source Select", "SE1", "SE1R"},540 {"Second Source Select", "SE", "DIFFL"},541 {"Second Source Select", "SE", "DIFFR"},542 {"Second Source Select", "QD", "DIFFL"},543 {"Second Source Select", "QD", "DIFFR"},544 545 {"Rear Speaker Source", "Main", "Main Source Select"},546 {"Rear Speaker Source", "Second", "Second Source Select"},547 548 {"Subwoofer Enable", "Switch", "Main Source Select"},549 550 {"Mix Enable", "Switch", "MIX"},551 552 {"LF Output Mixer", NULL, "Main Source Select"},553 {"LF Output Mixer", "Mix to LF Speaker Switch", "Mix Enable"},554 {"RF Output Mixer", NULL, "Main Source Select"},555 {"RF Output Mixer", "Mix to RF Speaker Switch", "Mix Enable"},556 557 {"OUTLF", NULL, "LF Output Mixer"},558 {"OUTRF", NULL, "RF Output Mixer"},559 {"OUTLR", NULL, "Rear Speaker Source"},560 {"OUTRR", NULL, "Rear Speaker Source"},561 {"OUTSW", NULL, "Subwoofer Enable"},562};563 564static const struct snd_soc_component_driver tda7419_component_driver = {565 .name = "tda7419",566 .controls = tda7419_controls,567 .num_controls = ARRAY_SIZE(tda7419_controls),568 .dapm_widgets = tda7419_dapm_widgets,569 .num_dapm_widgets = ARRAY_SIZE(tda7419_dapm_widgets),570 .dapm_routes = tda7419_dapm_routes,571 .num_dapm_routes = ARRAY_SIZE(tda7419_dapm_routes),572};573 574static int tda7419_probe(struct i2c_client *i2c)575{576 struct tda7419_data *tda7419;577 int i, ret;578 579 tda7419 = devm_kzalloc(&i2c->dev,580 sizeof(struct tda7419_data),581 GFP_KERNEL);582 if (tda7419 == NULL)583 return -ENOMEM;584 585 i2c_set_clientdata(i2c, tda7419);586 587 tda7419->regmap = devm_regmap_init_i2c(i2c, &tda7419_regmap_config);588 if (IS_ERR(tda7419->regmap)) {589 ret = PTR_ERR(tda7419->regmap);590 dev_err(&i2c->dev, "error initializing regmap: %d\n",591 ret);592 return ret;593 }594 595 /*596 * Reset registers to power-on defaults. The part does not provide a597 * soft-reset function and the registers are not readable. This ensures598 * that the cache matches register contents even if the registers have599 * been previously initialized and not power cycled before probe.600 */601 for (i = 0; i < ARRAY_SIZE(tda7419_regmap_defaults); i++)602 regmap_write(tda7419->regmap,603 tda7419_regmap_defaults[i].reg,604 tda7419_regmap_defaults[i].def);605 606 ret = devm_snd_soc_register_component(&i2c->dev,607 &tda7419_component_driver, NULL, 0);608 if (ret < 0) {609 dev_err(&i2c->dev, "error registering component: %d\n",610 ret);611 }612 613 return ret;614}615 616static const struct i2c_device_id tda7419_i2c_id[] = {617 { "tda7419" },618 { }619};620MODULE_DEVICE_TABLE(i2c, tda7419_i2c_id);621 622static const struct of_device_id tda7419_of_match[] = {623 { .compatible = "st,tda7419" },624 { },625};626MODULE_DEVICE_TABLE(of, tda7419_of_match);627 628static struct i2c_driver tda7419_driver = {629 .driver = {630 .name = "tda7419",631 .of_match_table = tda7419_of_match,632 },633 .probe = tda7419_probe,634 .id_table = tda7419_i2c_id,635};636 637module_i2c_driver(tda7419_driver);638 639MODULE_AUTHOR("Matt Porter <mporter@konsulko.com>");640MODULE_DESCRIPTION("TDA7419 audio processor driver");641MODULE_LICENSE("GPL");642