sound/soc/codecs/tda7419.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * TDA7419 audio processor driver
   4  *
   5  * Copyright 2018 Konsulko Group
   6  *
   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            0x00
  20 #define TDA7419_LOUDNESS_REG            0x01
  21 #define TDA7419_MUTE_CLK_REG            0x02
  22 #define TDA7419_VOLUME_REG              0x03
  23 #define TDA7419_TREBLE_REG              0x04
  24 #define TDA7419_MIDDLE_REG              0x05
  25 #define TDA7419_BASS_REG                0x06
  26 #define TDA7419_SECOND_SRC_REG          0x07
  27 #define TDA7419_SUB_MID_BASS_REG        0x08
  28 #define TDA7419_MIXING_GAIN_REG         0x09
  29 #define TDA7419_ATTENUATOR_LF_REG       0x0a
  30 #define TDA7419_ATTENUATOR_RF_REG       0x0b
  31 #define TDA7419_ATTENUATOR_LR_REG       0x0c
  32 #define TDA7419_ATTENUATOR_RR_REG       0x0d
  33 #define TDA7419_MIXING_LEVEL_REG        0x0e
  34 #define TDA7419_ATTENUATOR_SUB_REG      0x0f
  35 #define TDA7419_SA_CLK_AC_REG           0x10
  36 #define TDA7419_TESTING_REG             0x11
  37
  38 #define TDA7419_MAIN_SRC_SEL            0
  39 #define TDA7419_MAIN_SRC_GAIN           3
  40 #define TDA7419_MAIN_SRC_AUTOZERO       7
  41
  42 #define TDA7419_LOUDNESS_ATTEN          0
  43 #define TDA7419_LOUDNESS_CENTER_FREQ    4
  44 #define TDA7419_LOUDNESS_BOOST          6
  45 #define TDA7419_LOUDNESS_SOFT_STEP      7
  46
  47 #define TDA7419_VOLUME_SOFT_STEP        7
  48
  49 #define TDA7419_SOFT_MUTE               0
  50 #define TDA7419_MUTE_INFLUENCE          1
  51 #define TDA7419_SOFT_MUTE_TIME          2
  52 #define TDA7419_SOFT_STEP_TIME          4
  53 #define TDA7419_CLK_FAST_MODE           7
  54
  55 #define TDA7419_TREBLE_CENTER_FREQ      5
  56 #define TDA7419_REF_OUT_SELECT          7
  57
  58 #define TDA7419_MIDDLE_Q_FACTOR         5
  59 #define TDA7419_MIDDLE_SOFT_STEP        7
  60
  61 #define TDA7419_BASS_Q_FACTOR           5
  62 #define TDA7419_BASS_SOFT_STEP          7
  63
  64 #define TDA7419_SECOND_SRC_SEL          0
  65 #define TDA7419_SECOND_SRC_GAIN         3
  66 #define TDA7419_REAR_SPKR_SRC           7
  67
  68 #define TDA7419_SUB_CUT_OFF_FREQ        0
  69 #define TDA7419_MIDDLE_CENTER_FREQ      2
  70 #define TDA7419_BASS_CENTER_FREQ        4
  71 #define TDA7419_BASS_DC_MODE            6
  72 #define TDA7419_SMOOTHING_FILTER        7
  73
  74 #define TDA7419_MIX_LF                  0
  75 #define TDA7419_MIX_RF                  1
  76 #define TDA7419_MIX_ENABLE              2
  77 #define TDA7419_SUB_ENABLE              3
  78 #define TDA7419_HPF_GAIN                4
  79
  80 #define TDA7419_SA_Q_FACTOR             0
  81 #define TDA7419_RESET_MODE              1
  82 #define TDA7419_SA_SOURCE               2
  83 #define TDA7419_SA_RUN                  3
  84 #define TDA7419_RESET                   4
  85 #define TDA7419_CLK_SOURCE              5
  86 #define TDA7419_COUPLING_MODE           6
  87
  88 struct tda7419_data {
  89         struct regmap *regmap;
  90 };
  91
  92 static bool tda7419_readable_reg(struct device *dev, unsigned int reg)
  93 {
  94         return false;
  95 }
  96
  97 static 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
 118 static 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
 128 struct tda7419_vol_control {
 129         int min, max;
 130         unsigned int reg, rreg, mask, thresh;
 131         unsigned int invert:1;
 132 };
 133
 134 static 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
 142 static 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
 156 static 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                 else
 168                         val = thresh - val;
 169         }
 170
 171         if (val < min)
 172                 val = min;
 173
 174         return val;
 175 }
 176
 177 static 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
 204 static 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                 else
 211                         val = thresh - val;
 212         } else if ((val > 0) && invert) {
 213                 val += thresh;
 214         }
 215
 216         return val;
 217 }
 218
 219 static 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
 291 static const char * const enum_src_sel[] = {
 292         "QD", "SE1", "SE2", "SE3", "SE", "Mute", "Mute", "Mute"};
 293 static SOC_ENUM_SINGLE_DECL(soc_enum_main_src_sel,
 294         TDA7419_MAIN_SRC_REG, TDA7419_MAIN_SRC_SEL, enum_src_sel);
 295 static const struct snd_kcontrol_new soc_mux_main_src_sel =
 296         SOC_DAPM_ENUM("Main Source Select", soc_enum_main_src_sel);
 297 static DECLARE_TLV_DB_SCALE(tlv_src_gain, 0, 100, 0);
 298 static DECLARE_TLV_DB_SCALE(tlv_loudness_atten, -1500, 100, 0);
 299 static const char * const enum_loudness_center_freq[] = {
 300         "Flat", "400 Hz", "800 Hz", "2400 Hz"};
 301 static SOC_ENUM_SINGLE_DECL(soc_enum_loudness_center_freq,
 302         TDA7419_LOUDNESS_REG, TDA7419_LOUDNESS_CENTER_FREQ,
 303         enum_loudness_center_freq);
 304 static const char * const enum_mute_influence[] = {
 305         "Pin and IIC", "IIC"};
 306 static SOC_ENUM_SINGLE_DECL(soc_enum_mute_influence,
 307         TDA7419_MUTE_CLK_REG, TDA7419_MUTE_INFLUENCE, enum_mute_influence);
 308 static const char * const enum_soft_mute_time[] = {
 309         "0.48 ms", "0.96 ms", "123 ms", "123 ms"};
 310 static SOC_ENUM_SINGLE_DECL(soc_enum_soft_mute_time,
 311         TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE_TIME, enum_soft_mute_time);
 312 static 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"};
 315 static SOC_ENUM_SINGLE_DECL(soc_enum_soft_step_time,
 316         TDA7419_MUTE_CLK_REG, TDA7419_SOFT_STEP_TIME, enum_soft_step_time);
 317 static DECLARE_TLV_DB_SCALE(tlv_volume, -8000, 100, 1);
 318 static const char * const enum_treble_center_freq[] = {
 319         "10.0 kHz", "12.5 kHz", "15.0 kHz", "17.5 kHz"};
 320 static DECLARE_TLV_DB_SCALE(tlv_filter, -1500, 100, 0);
 321 static SOC_ENUM_SINGLE_DECL(soc_enum_treble_center_freq,
 322         TDA7419_TREBLE_REG, TDA7419_TREBLE_CENTER_FREQ,
 323         enum_treble_center_freq);
 324 static const char * const enum_ref_out_select[] = {
 325         "External Vref (4 V)", "Internal Vref (3.3 V)"};
 326 static SOC_ENUM_SINGLE_DECL(soc_enum_ref_out_select,
 327         TDA7419_TREBLE_REG, TDA7419_REF_OUT_SELECT, enum_ref_out_select);
 328 static const char * const enum_middle_q_factor[] = {
 329         "0.5", "0.75", "1.0", "1.25"};
 330 static SOC_ENUM_SINGLE_DECL(soc_enum_middle_q_factor,
 331         TDA7419_MIDDLE_REG, TDA7419_MIDDLE_Q_FACTOR, enum_middle_q_factor);
 332 static const char * const enum_bass_q_factor[] = {
 333         "1.0", "1.25", "1.5", "2.0"};
 334 static SOC_ENUM_SINGLE_DECL(soc_enum_bass_q_factor,
 335         TDA7419_BASS_REG, TDA7419_BASS_Q_FACTOR, enum_bass_q_factor);
 336 static SOC_ENUM_SINGLE_DECL(soc_enum_second_src_sel,
 337         TDA7419_SECOND_SRC_REG, TDA7419_SECOND_SRC_SEL, enum_src_sel);
 338 static const struct snd_kcontrol_new soc_mux_second_src_sel =
 339         SOC_DAPM_ENUM("Second Source Select", soc_enum_second_src_sel);
 340 static const char * const enum_rear_spkr_src[] = {
 341         "Main", "Second"};
 342 static SOC_ENUM_SINGLE_DECL(soc_enum_rear_spkr_src,
 343         TDA7419_SECOND_SRC_REG, TDA7419_REAR_SPKR_SRC, enum_rear_spkr_src);
 344 static const struct snd_kcontrol_new soc_mux_rear_spkr_src =
 345         SOC_DAPM_ENUM("Rear Speaker Source", soc_enum_rear_spkr_src);
 346 static const char * const enum_sub_cut_off_freq[] = {
 347         "Flat", "80 Hz", "120 Hz", "160 Hz"};
 348 static 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);
 351 static const char * const enum_middle_center_freq[] = {
 352         "500 Hz", "1000 Hz", "1500 Hz", "2500 Hz"};
 353 static SOC_ENUM_SINGLE_DECL(soc_enum_middle_center_freq,
 354         TDA7419_SUB_MID_BASS_REG, TDA7419_MIDDLE_CENTER_FREQ,
 355         enum_middle_center_freq);
 356 static const char * const enum_bass_center_freq[] = {
 357         "60 Hz", "80 Hz", "100 Hz", "200 Hz"};
 358 static SOC_ENUM_SINGLE_DECL(soc_enum_bass_center_freq,
 359         TDA7419_SUB_MID_BASS_REG, TDA7419_BASS_CENTER_FREQ,
 360         enum_bass_center_freq);
 361 static const char * const enum_sa_q_factor[] = {
 362         "3.5", "1.75" };
 363 static SOC_ENUM_SINGLE_DECL(soc_enum_sa_q_factor,
 364         TDA7419_SA_CLK_AC_REG, TDA7419_SA_Q_FACTOR, enum_sa_q_factor);
 365 static const char * const enum_reset_mode[] = {
 366         "IIC", "Auto" };
 367 static SOC_ENUM_SINGLE_DECL(soc_enum_reset_mode,
 368         TDA7419_SA_CLK_AC_REG, TDA7419_RESET_MODE, enum_reset_mode);
 369 static const char * const enum_sa_src[] = {
 370         "Bass", "In Gain" };
 371 static SOC_ENUM_SINGLE_DECL(soc_enum_sa_src,
 372         TDA7419_SA_CLK_AC_REG, TDA7419_SA_SOURCE, enum_sa_src);
 373 static const char * const enum_clk_src[] = {
 374         "Internal", "External" };
 375 static SOC_ENUM_SINGLE_DECL(soc_enum_clk_src,
 376         TDA7419_SA_CLK_AC_REG, TDA7419_CLK_SOURCE, enum_clk_src);
 377 static 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" };
 380 static SOC_ENUM_SINGLE_DECL(soc_enum_coupling_mode,
 381         TDA7419_SA_CLK_AC_REG, TDA7419_COUPLING_MODE, enum_coupling_mode);
 382
 383 /* ASoC Controls */
 384 static struct snd_kcontrol_new tda7419_controls[] = {
 385 SOC_SINGLE_TLV("Main Source Capture Volume", TDA7419_MAIN_SRC_REG,
 386                TDA7419_MAIN_SRC_GAIN, 15, 0, tlv_src_gain),
 387 SOC_SINGLE("Main Source AutoZero Switch", TDA7419_MAIN_SRC_REG,
 388            TDA7419_MAIN_SRC_AUTOZERO, 1, 1),
 389 SOC_SINGLE_TLV("Loudness Playback Volume", TDA7419_LOUDNESS_REG,
 390                TDA7419_LOUDNESS_ATTEN, 15, 1, tlv_loudness_atten),
 391 SOC_ENUM("Loudness Center Frequency", soc_enum_loudness_center_freq),
 392 SOC_SINGLE("Loudness High Boost Switch", TDA7419_LOUDNESS_REG,
 393            TDA7419_LOUDNESS_BOOST, 1, 1),
 394 SOC_SINGLE("Loudness Soft Step Switch", TDA7419_LOUDNESS_REG,
 395            TDA7419_LOUDNESS_SOFT_STEP, 1, 1),
 396 SOC_SINGLE("Soft Mute Switch", TDA7419_MUTE_CLK_REG, TDA7419_SOFT_MUTE, 1, 1),
 397 SOC_ENUM("Mute Influence", soc_enum_mute_influence),
 398 SOC_ENUM("Soft Mute Time", soc_enum_soft_mute_time),
 399 SOC_ENUM("Soft Step Time", soc_enum_soft_step_time),
 400 SOC_SINGLE("Clock Fast Mode Switch", TDA7419_MUTE_CLK_REG,
 401            TDA7419_CLK_FAST_MODE, 1, 1),
 402 TDA7419_SINGLE_TLV("Master Playback Volume", TDA7419_VOLUME_REG,
 403                    0x7f, -80, 15, 0x10, 0, tlv_volume),
 404 SOC_SINGLE("Volume Soft Step Switch", TDA7419_VOLUME_REG,
 405            TDA7419_VOLUME_SOFT_STEP, 1, 1),
 406 TDA7419_SINGLE_TLV("Treble Playback Volume", TDA7419_TREBLE_REG,
 407                    0x1f, -15, 15, 0x10, 1, tlv_filter),
 408 SOC_ENUM("Treble Center Frequency", soc_enum_treble_center_freq),
 409 SOC_ENUM("Reference Output Select", soc_enum_ref_out_select),
 410 TDA7419_SINGLE_TLV("Middle Playback Volume", TDA7419_MIDDLE_REG,
 411                    0x1f, -15, 15, 0x10, 1, tlv_filter),
 412 SOC_ENUM("Middle Q Factor", soc_enum_middle_q_factor),
 413 SOC_SINGLE("Middle Soft Step Switch", TDA7419_MIDDLE_REG,
 414            TDA7419_MIDDLE_SOFT_STEP, 1, 1),
 415 TDA7419_SINGLE_TLV("Bass Playback Volume", TDA7419_BASS_REG,
 416                    0x1f, -15, 15, 0x10, 1, tlv_filter),
 417 SOC_ENUM("Bass Q Factor", soc_enum_bass_q_factor),
 418 SOC_SINGLE("Bass Soft Step Switch", TDA7419_BASS_REG,
 419            TDA7419_BASS_SOFT_STEP, 1, 1),
 420 SOC_SINGLE_TLV("Second Source Capture Volume", TDA7419_SECOND_SRC_REG,
 421                TDA7419_SECOND_SRC_GAIN, 15, 0, tlv_src_gain),
 422 SOC_ENUM("Subwoofer Cut-off Frequency", soc_enum_sub_cut_off_freq),
 423 SOC_ENUM("Middle Center Frequency", soc_enum_middle_center_freq),
 424 SOC_ENUM("Bass Center Frequency", soc_enum_bass_center_freq),
 425 SOC_SINGLE("Bass DC Mode Switch", TDA7419_SUB_MID_BASS_REG,
 426            TDA7419_BASS_DC_MODE, 1, 1),
 427 SOC_SINGLE("Smoothing Filter Switch", TDA7419_SUB_MID_BASS_REG,
 428            TDA7419_SMOOTHING_FILTER, 1, 1),
 429 TDA7419_DOUBLE_R_TLV("Front Speaker Playback Volume", TDA7419_ATTENUATOR_LF_REG,
 430                      TDA7419_ATTENUATOR_RF_REG, 0x7f, -80, 15, 0x10, 0,
 431                      tlv_volume),
 432 SOC_SINGLE("Left Front Soft Step Switch", TDA7419_ATTENUATOR_LF_REG,
 433            TDA7419_VOLUME_SOFT_STEP, 1, 1),
 434 SOC_SINGLE("Right Front Soft Step Switch", TDA7419_ATTENUATOR_RF_REG,
 435            TDA7419_VOLUME_SOFT_STEP, 1, 1),
 436 TDA7419_DOUBLE_R_TLV("Rear Speaker Playback Volume", TDA7419_ATTENUATOR_LR_REG,
 437                      TDA7419_ATTENUATOR_RR_REG, 0x7f, -80, 15, 0x10, 0,
 438                      tlv_volume),
 439 SOC_SINGLE("Left Rear Soft Step Switch", TDA7419_ATTENUATOR_LR_REG,
 440            TDA7419_VOLUME_SOFT_STEP, 1, 1),
 441 SOC_SINGLE("Right Rear Soft Step Switch", TDA7419_ATTENUATOR_RR_REG,
 442            TDA7419_VOLUME_SOFT_STEP, 1, 1),
 443 TDA7419_SINGLE_TLV("Mixing Capture Volume", TDA7419_MIXING_LEVEL_REG,
 444                    0x7f, -80, 15, 0x10, 0, tlv_volume),
 445 SOC_SINGLE("Mixing Level Soft Step Switch", TDA7419_MIXING_LEVEL_REG,
 446            TDA7419_VOLUME_SOFT_STEP, 1, 1),
 447 TDA7419_SINGLE_TLV("Subwoofer Playback Volume", TDA7419_ATTENUATOR_SUB_REG,
 448                    0x7f, -80, 15, 0x10, 0, tlv_volume),
 449 SOC_SINGLE("Subwoofer Soft Step Switch", TDA7419_ATTENUATOR_SUB_REG,
 450            TDA7419_VOLUME_SOFT_STEP, 1, 1),
 451 SOC_ENUM("Spectrum Analyzer Q Factor", soc_enum_sa_q_factor),
 452 SOC_ENUM("Spectrum Analyzer Reset Mode", soc_enum_reset_mode),
 453 SOC_ENUM("Spectrum Analyzer Source", soc_enum_sa_src),
 454 SOC_SINGLE("Spectrum Analyzer Run Switch", TDA7419_SA_CLK_AC_REG,
 455            TDA7419_SA_RUN, 1, 1),
 456 SOC_SINGLE("Spectrum Analyzer Reset Switch", TDA7419_SA_CLK_AC_REG,
 457            TDA7419_RESET, 1, 1),
 458 SOC_ENUM("Clock Source", soc_enum_clk_src),
 459 SOC_ENUM("Coupling Mode", soc_enum_coupling_mode),
 460 };
 461
 462 static 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
 468 static 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
 474 static 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
 479 static 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
 484 static 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
 522 static 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
 564 static 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
 574 static int tda7419_probe(struct i2c_client *i2c,
 575                          const struct i2c_device_id *id)
 576 {
 577         struct tda7419_data *tda7419;
 578         int i, ret;
 579
 580         tda7419 = devm_kzalloc(&i2c->dev,
 581                                sizeof(struct tda7419_data),
 582                                GFP_KERNEL);
 583         if (tda7419 == NULL)
 584                 return -ENOMEM;
 585
 586         i2c_set_clientdata(i2c, tda7419);
 587
 588         tda7419->regmap = devm_regmap_init_i2c(i2c, &tda7419_regmap_config);
 589         if (IS_ERR(tda7419->regmap)) {
 590                 ret = PTR_ERR(tda7419->regmap);
 591                 dev_err(&i2c->dev, "error initializing regmap: %d\n",
 592                                 ret);
 593                 return ret;
 594         }
 595
 596         /*
 597          * Reset registers to power-on defaults. The part does not provide a
 598          * soft-reset function and the registers are not readable. This ensures
 599          * that the cache matches register contents even if the registers have
 600          * been previously initialized and not power cycled before probe.
 601          */
 602         for (i = 0; i < ARRAY_SIZE(tda7419_regmap_defaults); i++)
 603                 regmap_write(tda7419->regmap,
 604                              tda7419_regmap_defaults[i].reg,
 605                              tda7419_regmap_defaults[i].def);
 606
 607         ret = devm_snd_soc_register_component(&i2c->dev,
 608                 &tda7419_component_driver, NULL, 0);
 609         if (ret < 0) {
 610                 dev_err(&i2c->dev, "error registering component: %d\n",
 611                                 ret);
 612         }
 613
 614         return ret;
 615 }
 616
 617 static const struct i2c_device_id tda7419_i2c_id[] = {
 618         { "tda7419", 0 },
 619         { }
 620 };
 621 MODULE_DEVICE_TABLE(i2c, tda7419_i2c_id);
 622
 623 static const struct of_device_id tda7419_of_match[] = {
 624         { .compatible = "st,tda7419" },
 625         { },
 626 };
 627
 628 static 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
 637 module_i2c_driver(tda7419_driver);
 638
 639 MODULE_AUTHOR("Matt Porter <mporter@konsulko.com>");
 640 MODULE_DESCRIPTION("TDA7419 audio processor driver");
 641 MODULE_LICENSE("GPL");