sound/soc/codecs/da7219.c

   1 /*
   2  * da7219.c - DA7219 ALSA SoC Codec Driver
   3  *
   4  * Copyright (c) 2015 Dialog Semiconductor
   5  *
   6  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
   7  *
   8  * This program is free software; you can redistribute  it and/or modify it
   9  * under  the terms of  the GNU General  Public License as published by the
  10  * Free Software Foundation;  either version 2 of the  License, or (at your
  11  * option) any later version.
  12  */
  13
  14 #include <linux/clk.h>
  15 #include <linux/i2c.h>
  16 #include <linux/of_device.h>
  17 #include <linux/regmap.h>
  18 #include <linux/slab.h>
  19 #include <linux/pm.h>
  20 #include <linux/module.h>
  21 #include <linux/delay.h>
  22 #include <linux/regulator/consumer.h>
  23 #include <sound/pcm.h>
  24 #include <sound/pcm_params.h>
  25 #include <sound/soc.h>
  26 #include <sound/soc-dapm.h>
  27 #include <sound/initval.h>
  28 #include <sound/tlv.h>
  29 #include <asm/div64.h>
  30
  31 #include <sound/da7219.h>
  32 #include "da7219.h"
  33 #include "da7219-aad.h"
  34
  35
  36 /*
  37  * TLVs and Enums
  38  */
  39
  40 /* Input TLVs */
  41 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
  42 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
  43 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
  44 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
  45 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
  46 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
  47 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
  48 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
  49
  50 /* Output TLVs */
  51 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
  52
  53 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
  54         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  55         /* -77.25dB to 12dB */
  56         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
  57 );
  58
  59 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
  60 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
  61
  62 /* Input Enums */
  63 static const char * const da7219_alc_attack_rate_txt[] = {
  64         "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
  65         "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
  66         "30024/fs"
  67 };
  68
  69 static const struct soc_enum da7219_alc_attack_rate =
  70         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
  71                         DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
  72
  73 static const char * const da7219_alc_release_rate_txt[] = {
  74         "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
  75         "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
  76 };
  77
  78 static const struct soc_enum da7219_alc_release_rate =
  79         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
  80                         DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
  81
  82 static const char * const da7219_alc_hold_time_txt[] = {
  83         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
  84         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
  85         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
  86 };
  87
  88 static const struct soc_enum da7219_alc_hold_time =
  89         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
  90                         DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
  91
  92 static const char * const da7219_alc_env_rate_txt[] = {
  93         "1/4", "1/16", "1/256", "1/65536"
  94 };
  95
  96 static const struct soc_enum da7219_alc_env_attack_rate =
  97         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
  98                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
  99
 100 static const struct soc_enum da7219_alc_env_release_rate =
 101         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
 102                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
 103
 104 static const char * const da7219_alc_anticlip_step_txt[] = {
 105         "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
 106 };
 107
 108 static const struct soc_enum da7219_alc_anticlip_step =
 109         SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
 110                         DA7219_ALC_ANTICLIP_STEP_SHIFT,
 111                         DA7219_ALC_ANTICLIP_STEP_MAX,
 112                         da7219_alc_anticlip_step_txt);
 113
 114 /* Input/Output Enums */
 115 static const char * const da7219_gain_ramp_rate_txt[] = {
 116         "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
 117         "Nominal Rate / 16"
 118 };
 119
 120 static const struct soc_enum da7219_gain_ramp_rate =
 121         SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
 122                         DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
 123
 124 static const char * const da7219_hpf_mode_txt[] = {
 125         "Disabled", "Audio", "Voice"
 126 };
 127
 128 static const unsigned int da7219_hpf_mode_val[] = {
 129         DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
 130 };
 131
 132 static const struct soc_enum da7219_adc_hpf_mode =
 133         SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 134                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 135                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
 136
 137 static const struct soc_enum da7219_dac_hpf_mode =
 138         SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 139                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 140                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
 141
 142 static const char * const da7219_audio_hpf_corner_txt[] = {
 143         "2Hz", "4Hz", "8Hz", "16Hz"
 144 };
 145
 146 static const struct soc_enum da7219_adc_audio_hpf_corner =
 147         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 148                         DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
 149                         DA7219_AUDIO_HPF_CORNER_MAX,
 150                         da7219_audio_hpf_corner_txt);
 151
 152 static const struct soc_enum da7219_dac_audio_hpf_corner =
 153         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 154                         DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
 155                         DA7219_AUDIO_HPF_CORNER_MAX,
 156                         da7219_audio_hpf_corner_txt);
 157
 158 static const char * const da7219_voice_hpf_corner_txt[] = {
 159         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 160 };
 161
 162 static const struct soc_enum da7219_adc_voice_hpf_corner =
 163         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 164                         DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
 165                         DA7219_VOICE_HPF_CORNER_MAX,
 166                         da7219_voice_hpf_corner_txt);
 167
 168 static const struct soc_enum da7219_dac_voice_hpf_corner =
 169         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 170                         DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
 171                         DA7219_VOICE_HPF_CORNER_MAX,
 172                         da7219_voice_hpf_corner_txt);
 173
 174 static const char * const da7219_tonegen_dtmf_key_txt[] = {
 175         "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
 176         "*", "#"
 177 };
 178
 179 static const struct soc_enum da7219_tonegen_dtmf_key =
 180         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
 181                         DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
 182
 183 static const char * const da7219_tonegen_swg_sel_txt[] = {
 184         "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
 185 };
 186
 187 static const struct soc_enum da7219_tonegen_swg_sel =
 188         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
 189                         DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
 190
 191 /* Output Enums */
 192 static const char * const da7219_dac_softmute_rate_txt[] = {
 193         "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
 194         "32 Samples", "64 Samples"
 195 };
 196
 197 static const struct soc_enum da7219_dac_softmute_rate =
 198         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
 199                         DA7219_DAC_SOFTMUTE_RATE_MAX,
 200                         da7219_dac_softmute_rate_txt);
 201
 202 static const char * const da7219_dac_ng_setup_time_txt[] = {
 203         "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
 204 };
 205
 206 static const struct soc_enum da7219_dac_ng_setup_time =
 207         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 208                         DA7219_DAC_NG_SETUP_TIME_SHIFT,
 209                         DA7219_DAC_NG_SETUP_TIME_MAX,
 210                         da7219_dac_ng_setup_time_txt);
 211
 212 static const char * const da7219_dac_ng_rampup_txt[] = {
 213         "0.22ms/dB", "0.0138ms/dB"
 214 };
 215
 216 static const struct soc_enum da7219_dac_ng_rampup_rate =
 217         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 218                         DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
 219                         DA7219_DAC_NG_RAMP_RATE_MAX,
 220                         da7219_dac_ng_rampup_txt);
 221
 222 static const char * const da7219_dac_ng_rampdown_txt[] = {
 223         "0.88ms/dB", "14.08ms/dB"
 224 };
 225
 226 static const struct soc_enum da7219_dac_ng_rampdown_rate =
 227         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 228                         DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
 229                         DA7219_DAC_NG_RAMP_RATE_MAX,
 230                         da7219_dac_ng_rampdown_txt);
 231
 232
 233 static const char * const da7219_cp_track_mode_txt[] = {
 234         "Largest Volume", "DAC Volume", "Signal Magnitude"
 235 };
 236
 237 static const unsigned int da7219_cp_track_mode_val[] = {
 238         DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
 239         DA7219_CP_MCHANGE_SIG_MAG
 240 };
 241
 242 static const struct soc_enum da7219_cp_track_mode =
 243         SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
 244                               DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
 245                               da7219_cp_track_mode_txt,
 246                               da7219_cp_track_mode_val);
 247
 248
 249 /*
 250  * Control Functions
 251  */
 252
 253 /* Locked Kcontrol calls */
 254 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
 255                                    struct snd_ctl_elem_value *ucontrol)
 256 {
 257         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 258         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 259         int ret;
 260
 261         mutex_lock(&da7219->lock);
 262         ret = snd_soc_get_volsw(kcontrol, ucontrol);
 263         mutex_unlock(&da7219->lock);
 264
 265         return ret;
 266 }
 267
 268 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
 269                                    struct snd_ctl_elem_value *ucontrol)
 270 {
 271         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 272         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 273         int ret;
 274
 275         mutex_lock(&da7219->lock);
 276         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 277         mutex_unlock(&da7219->lock);
 278
 279         return ret;
 280 }
 281
 282 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
 283                                 struct snd_ctl_elem_value *ucontrol)
 284 {
 285         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 286         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 287         int ret;
 288
 289         mutex_lock(&da7219->lock);
 290         ret = snd_soc_get_enum_double(kcontrol, ucontrol);
 291         mutex_unlock(&da7219->lock);
 292
 293         return ret;
 294 }
 295
 296 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
 297                                 struct snd_ctl_elem_value *ucontrol)
 298 {
 299         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 300         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 301         int ret;
 302
 303         mutex_lock(&da7219->lock);
 304         ret = snd_soc_put_enum_double(kcontrol, ucontrol);
 305         mutex_unlock(&da7219->lock);
 306
 307         return ret;
 308 }
 309
 310 /* ALC */
 311 static void da7219_alc_calib(struct snd_soc_codec *codec)
 312 {
 313         u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
 314
 315         /* Save current state of mic control register */
 316         mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL);
 317
 318         /* Save current state of input mixer control register */
 319         mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL);
 320
 321         /* Save current state of input ADC control register */
 322         adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL);
 323
 324         /* Enable then Mute MIC PGAs */
 325         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
 326                             DA7219_MIC_1_AMP_EN_MASK);
 327         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL,
 328                             DA7219_MIC_1_AMP_MUTE_EN_MASK,
 329                             DA7219_MIC_1_AMP_MUTE_EN_MASK);
 330
 331         /* Enable input mixers unmuted */
 332         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
 333                             DA7219_MIXIN_L_AMP_EN_MASK |
 334                             DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
 335                             DA7219_MIXIN_L_AMP_EN_MASK);
 336
 337         /* Enable input filters unmuted */
 338         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL,
 339                             DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
 340                             DA7219_ADC_L_EN_MASK);
 341
 342         /* Perform auto calibration */
 343         snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 344                             DA7219_ALC_AUTO_CALIB_EN_MASK,
 345                             DA7219_ALC_AUTO_CALIB_EN_MASK);
 346         do {
 347                 calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1);
 348         } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
 349
 350         /* If auto calibration fails, disable DC offset, hybrid ALC */
 351         if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
 352                 dev_warn(codec->dev,
 353                          "ALC auto calibration failed with overflow\n");
 354                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 355                                     DA7219_ALC_OFFSET_EN_MASK |
 356                                     DA7219_ALC_SYNC_MODE_MASK, 0);
 357         } else {
 358                 /* Enable DC offset cancellation, hybrid mode */
 359                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 360                                     DA7219_ALC_OFFSET_EN_MASK |
 361                                     DA7219_ALC_SYNC_MODE_MASK,
 362                                     DA7219_ALC_OFFSET_EN_MASK |
 363                                     DA7219_ALC_SYNC_MODE_MASK);
 364         }
 365
 366         /* Restore input filter control register to original state */
 367         snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl);
 368
 369         /* Restore input mixer control registers to original state */
 370         snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl);
 371
 372         /* Restore MIC control registers to original states */
 373         snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl);
 374 }
 375
 376 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
 377                                  struct snd_ctl_elem_value *ucontrol)
 378 {
 379         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 380         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 381         int ret;
 382
 383         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 384
 385         /*
 386          * If ALC in operation and value of control has been updated,
 387          * make sure calibrated offsets are updated.
 388          */
 389         if ((ret == 1) && (da7219->alc_en))
 390                 da7219_alc_calib(codec);
 391
 392         return ret;
 393 }
 394
 395 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
 396                              struct snd_ctl_elem_value *ucontrol)
 397 {
 398         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 399         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 400
 401
 402         /* Force ALC offset calibration if enabling ALC */
 403         if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
 404                 da7219_alc_calib(codec);
 405                 da7219->alc_en = true;
 406         } else {
 407                 da7219->alc_en = false;
 408         }
 409
 410         return snd_soc_put_volsw(kcontrol, ucontrol);
 411 }
 412
 413 /* ToneGen */
 414 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
 415                                    struct snd_ctl_elem_value *ucontrol)
 416 {
 417         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 418         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 419         struct soc_mixer_control *mixer_ctrl =
 420                 (struct soc_mixer_control *) kcontrol->private_value;
 421         unsigned int reg = mixer_ctrl->reg;
 422         u16 val;
 423         int ret;
 424
 425         mutex_lock(&da7219->lock);
 426         ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
 427         mutex_unlock(&da7219->lock);
 428
 429         if (ret)
 430                 return ret;
 431
 432         /*
 433          * Frequency value spans two 8-bit registers, lower then upper byte.
 434          * Therefore we need to convert to host endianness here.
 435          */
 436         ucontrol->value.integer.value[0] = le16_to_cpu(val);
 437
 438         return 0;
 439 }
 440
 441 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
 442                                    struct snd_ctl_elem_value *ucontrol)
 443 {
 444         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 445         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 446         struct soc_mixer_control *mixer_ctrl =
 447                 (struct soc_mixer_control *) kcontrol->private_value;
 448         unsigned int reg = mixer_ctrl->reg;
 449         u16 val;
 450         int ret;
 451
 452         /*
 453          * Frequency value spans two 8-bit registers, lower then upper byte.
 454          * Therefore we need to convert to little endian here to align with
 455          * HW registers.
 456          */
 457         val = cpu_to_le16(ucontrol->value.integer.value[0]);
 458
 459         mutex_lock(&da7219->lock);
 460         ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
 461         mutex_unlock(&da7219->lock);
 462
 463         return ret;
 464 }
 465
 466
 467 /*
 468  * KControls
 469  */
 470
 471 static const struct snd_kcontrol_new da7219_snd_controls[] = {
 472         /* Mics */
 473         SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
 474                        DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
 475                        DA7219_NO_INVERT, da7219_mic_gain_tlv),
 476         SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
 477                    DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 478                    DA7219_INVERT),
 479
 480         /* Mixer Input */
 481         SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
 482                            DA7219_MIXIN_L_AMP_GAIN_SHIFT,
 483                            DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
 484                            snd_soc_get_volsw, da7219_mixin_gain_put,
 485                            da7219_mixin_gain_tlv),
 486         SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
 487                    DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 488                    DA7219_INVERT),
 489         SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
 490                    DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 491                    DA7219_NO_INVERT),
 492         SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
 493                    DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 494                    DA7219_NO_INVERT),
 495
 496         /* ADC */
 497         SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
 498                        DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
 499                        DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 500                        da7219_adc_dig_gain_tlv),
 501         SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
 502                    DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 503                    DA7219_INVERT),
 504         SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
 505                    DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 506                    DA7219_NO_INVERT),
 507
 508         /* ALC */
 509         SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
 510         SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
 511         SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
 512         SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
 513         SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
 514         SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
 515                        DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 516                        DA7219_INVERT, da7219_alc_threshold_tlv),
 517         SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
 518                        DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 519                        DA7219_INVERT, da7219_alc_threshold_tlv),
 520         SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
 521                        DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 522                        DA7219_INVERT, da7219_alc_threshold_tlv),
 523         SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
 524                        DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 525                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 526         SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
 527                        DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 528                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 529         SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 530                              DA7219_ALC_ANA_GAIN_MIN_SHIFT,
 531                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 532                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 533         SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 534                              DA7219_ALC_ANA_GAIN_MAX_SHIFT,
 535                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 536                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 537         SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
 538         SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
 539                    DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 540                    DA7219_NO_INVERT),
 541         SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
 542                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
 543                        snd_soc_get_volsw, da7219_alc_sw_put),
 544
 545         /* Input High-Pass Filters */
 546         SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
 547         SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
 548         SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
 549
 550         /* Sidetone Filter */
 551         SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
 552                        DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
 553                        DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
 554         SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
 555                    DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 556                    DA7219_INVERT),
 557
 558         /* Tone Generator */
 559         SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
 560                            DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
 561                            DA7219_NO_INVERT, da7219_volsw_locked_get,
 562                            da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
 563         SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
 564                      da7219_enum_locked_get, da7219_enum_locked_put),
 565         SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
 566                        DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 567                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 568                        da7219_volsw_locked_put),
 569         SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
 570                      da7219_enum_locked_get, da7219_enum_locked_put),
 571         SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
 572                        DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 573                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 574         SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
 575                        DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 576                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 577         SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
 578                        DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 579                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 580                        da7219_volsw_locked_put),
 581         SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
 582                    DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 583                    DA7219_NO_INVERT),
 584
 585         /* Gain ramping */
 586         SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
 587
 588         /* DAC High-Pass Filter */
 589         SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
 590                      da7219_enum_locked_get, da7219_enum_locked_put),
 591         SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
 592         SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
 593
 594         /* DAC 5-Band Equaliser */
 595         SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
 596                        DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 597                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 598         SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
 599                        DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 600                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 601         SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
 602                        DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 603                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 604         SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
 605                        DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 606                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 607         SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
 608                        DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 609                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 610         SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
 611                        DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 612                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 613                        da7219_volsw_locked_put),
 614
 615         /* DAC Softmute */
 616         SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
 617         SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
 618                        DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 619                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 620                        da7219_volsw_locked_put),
 621
 622         /* DAC Noise Gate */
 623         SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
 624         SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
 625         SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
 626         SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
 627                        DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
 628                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 629                        da7219_dac_ng_threshold_tlv),
 630         SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
 631                        DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
 632                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 633                        da7219_dac_ng_threshold_tlv),
 634         SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
 635                    DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 636
 637         /* DACs */
 638         SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
 639                              DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
 640                              DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 641                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 642                              da7219_dac_dig_gain_tlv),
 643         SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
 644                          DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
 645                          DA7219_SWITCH_EN_MAX, DA7219_INVERT,
 646                          da7219_volsw_locked_get, da7219_volsw_locked_put),
 647         SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
 648                      DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
 649                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 650
 651         /* CP */
 652         SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
 653         SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
 654                    DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
 655                    DA7219_NO_INVERT),
 656
 657         /* Headphones */
 658         SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
 659                              DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
 660                              DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
 661                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 662                              da7219_hp_gain_tlv),
 663         SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
 664                          DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 665                          DA7219_INVERT, da7219_volsw_locked_get,
 666                          da7219_volsw_locked_put),
 667         SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
 668                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
 669                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 670         SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
 671                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
 672                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 673 };
 674
 675
 676 /*
 677  * DAPM Mux Controls
 678  */
 679
 680 static const char * const da7219_out_sel_txt[] = {
 681         "ADC", "Tone Generator", "DAIL", "DAIR"
 682 };
 683
 684 static const struct soc_enum da7219_out_dail_sel =
 685         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 686                         DA7219_DAI_L_SRC_SHIFT,
 687                         DA7219_OUT_SRC_MAX,
 688                         da7219_out_sel_txt);
 689
 690 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
 691         SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
 692
 693 static const struct soc_enum da7219_out_dair_sel =
 694         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 695                         DA7219_DAI_R_SRC_SHIFT,
 696                         DA7219_OUT_SRC_MAX,
 697                         da7219_out_sel_txt);
 698
 699 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
 700         SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
 701
 702 static const struct soc_enum da7219_out_dacl_sel =
 703         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 704                         DA7219_DAC_L_SRC_SHIFT,
 705                         DA7219_OUT_SRC_MAX,
 706                         da7219_out_sel_txt);
 707
 708 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
 709         SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
 710
 711 static const struct soc_enum da7219_out_dacr_sel =
 712         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 713                         DA7219_DAC_R_SRC_SHIFT,
 714                         DA7219_OUT_SRC_MAX,
 715                         da7219_out_sel_txt);
 716
 717 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
 718         SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
 719
 720
 721 /*
 722  * DAPM Mixer Controls
 723  */
 724
 725 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
 726         SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
 727                         DA7219_MIXIN_L_MIX_SELECT_SHIFT,
 728                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 729 };
 730
 731 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
 732         SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
 733                         DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
 734                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 735 };
 736
 737 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
 738         SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
 739                         DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
 740                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 741 };
 742
 743 #define DA7219_DMIX_ST_CTRLS(reg)                                       \
 744         SOC_DAPM_SINGLE("Out FilterL Switch", reg,                      \
 745                         DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,             \
 746                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 747         SOC_DAPM_SINGLE("Out FilterR Switch", reg,                      \
 748                         DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,             \
 749                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 750         SOC_DAPM_SINGLE("Sidetone Switch", reg,                         \
 751                         DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,              \
 752                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)         \
 753
 754 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
 755         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
 756 };
 757
 758 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
 759         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
 760 };
 761
 762
 763 /*
 764  * DAPM Events
 765  */
 766
 767 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
 768                             struct snd_kcontrol *kcontrol, int event)
 769 {
 770         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 771         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 772         u8 pll_ctrl, pll_status;
 773         int i = 0;
 774         bool srm_lock = false;
 775
 776         switch (event) {
 777         case SND_SOC_DAPM_PRE_PMU:
 778                 if (da7219->master)
 779                         /* Enable DAI clks for master mode */
 780                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
 781                                             DA7219_DAI_CLK_EN_MASK,
 782                                             DA7219_DAI_CLK_EN_MASK);
 783
 784                 /* PC synchronised to DAI */
 785                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
 786                                     DA7219_PC_FREERUN_MASK, 0);
 787
 788                 /* Slave mode, if SRM not enabled no need for status checks */
 789                 pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL);
 790                 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
 791                         return 0;
 792
 793                 /* Check SRM has locked */
 794                 do {
 795                         pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS);
 796                         if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
 797                                 srm_lock = true;
 798                         } else {
 799                                 ++i;
 800                                 msleep(50);
 801                         }
 802                 } while ((i < DA7219_SRM_CHECK_RETRIES) & (!srm_lock));
 803
 804                 if (!srm_lock)
 805                         dev_warn(codec->dev, "SRM failed to lock\n");
 806
 807                 return 0;
 808         case SND_SOC_DAPM_POST_PMD:
 809                 /* PC free-running */
 810                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
 811                                     DA7219_PC_FREERUN_MASK,
 812                                     DA7219_PC_FREERUN_MASK);
 813
 814                 /* Disable DAI clks if in master mode */
 815                 if (da7219->master)
 816                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
 817                                             DA7219_DAI_CLK_EN_MASK, 0);
 818                 return 0;
 819         default:
 820                 return -EINVAL;
 821         }
 822 }
 823
 824
 825 /*
 826  * DAPM Widgets
 827  */
 828
 829 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
 830         /* Input Supplies */
 831         SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
 832                             DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
 833                             NULL, 0),
 834
 835         /* Inputs */
 836         SND_SOC_DAPM_INPUT("MIC"),
 837
 838         /* Input PGAs */
 839         SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL,
 840                          DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
 841                          NULL, 0),
 842         SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL,
 843                          DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 844                          NULL, 0),
 845
 846         /* Input Filters */
 847         SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
 848                          DA7219_NO_INVERT),
 849
 850         /* Tone Generator */
 851         SND_SOC_DAPM_SIGGEN("TONE"),
 852         SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
 853                          DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 854
 855         /* Sidetone Input */
 856         SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
 857                          DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
 858
 859         /* Input Mixer Supply */
 860         SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
 861                             DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
 862                             NULL, 0),
 863
 864         /* Input Mixer */
 865         SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
 866                            da7219_mixin_controls,
 867                            ARRAY_SIZE(da7219_mixin_controls)),
 868
 869         /* Input Muxes */
 870         SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
 871                          &da7219_out_dail_sel_mux),
 872         SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
 873                          &da7219_out_dair_sel_mux),
 874
 875         /* DAI Supply */
 876         SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
 877                             DA7219_NO_INVERT, da7219_dai_event,
 878                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 879
 880         /* DAI */
 881         SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
 882         SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
 883
 884         /* Output Muxes */
 885         SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
 886                          &da7219_out_dacl_sel_mux),
 887         SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
 888                          &da7219_out_dacr_sel_mux),
 889
 890         /* Output Mixers */
 891         SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
 892                            da7219_mixout_l_controls,
 893                            ARRAY_SIZE(da7219_mixout_l_controls)),
 894         SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
 895                            da7219_mixout_r_controls,
 896                            ARRAY_SIZE(da7219_mixout_r_controls)),
 897
 898         /* Sidetone Mixers */
 899         SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
 900                            da7219_st_out_filtl_mix_controls,
 901                            ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
 902         SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
 903                            0, da7219_st_out_filtr_mix_controls,
 904                            ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
 905
 906         /* DACs */
 907         SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT,
 908                          DA7219_NO_INVERT),
 909         SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT,
 910                          DA7219_NO_INVERT),
 911
 912         /* Output PGAs */
 913         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
 914                          DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 915                          NULL, 0),
 916         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
 917                          DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
 918                          NULL, 0),
 919         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL,
 920                          DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 921         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL,
 922                          DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 923
 924         /* Output Supplies */
 925         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT,
 926                             DA7219_NO_INVERT, NULL, 0),
 927
 928         /* Outputs */
 929         SND_SOC_DAPM_OUTPUT("HPL"),
 930         SND_SOC_DAPM_OUTPUT("HPR"),
 931 };
 932
 933
 934 /*
 935  * DAPM Mux Routes
 936  */
 937
 938 #define DA7219_OUT_DAI_MUX_ROUTES(name)                 \
 939         {name, "ADC", "Mixer In"},                      \
 940         {name, "Tone Generator", "Tone Generator"},     \
 941         {name, "DAIL", "DAIOUT"},                       \
 942         {name, "DAIR", "DAIOUT"}
 943
 944 #define DA7219_OUT_DAC_MUX_ROUTES(name)                 \
 945         {name, "ADC", "Mixer In"},                      \
 946         {name, "Tone Generator", "Tone Generator"},             \
 947         {name, "DAIL", "DAIIN"},                        \
 948         {name, "DAIR", "DAIIN"}
 949
 950 /*
 951  * DAPM Mixer Routes
 952  */
 953
 954 #define DA7219_DMIX_ST_ROUTES(name)                             \
 955         {name, "Out FilterL Switch", "Mixer Out FilterL"},      \
 956         {name, "Out FilterR Switch", "Mixer Out FilterR"},      \
 957         {name, "Sidetone Switch", "Sidetone Filter"}
 958
 959
 960 /*
 961  * DAPM audio route definition
 962  */
 963
 964 static const struct snd_soc_dapm_route da7219_audio_map[] = {
 965         /* Input paths */
 966         {"MIC", NULL, "Mic Bias"},
 967         {"Mic PGA", NULL, "MIC"},
 968         {"Mixin PGA", NULL, "Mic PGA"},
 969         {"ADC", NULL, "Mixin PGA"},
 970
 971         {"Mixer In", NULL, "Mixer In Supply"},
 972         {"Mixer In", "Mic Switch", "ADC"},
 973
 974         {"Sidetone Filter", NULL, "Mixer In"},
 975
 976         {"Tone Generator", NULL, "TONE"},
 977
 978         DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
 979         DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
 980
 981         {"DAIOUT", NULL, "Out DAIL Mux"},
 982         {"DAIOUT", NULL, "Out DAIR Mux"},
 983         {"DAIOUT", NULL, "DAI"},
 984
 985         /* Output paths */
 986         {"DAIIN", NULL, "DAI"},
 987
 988         DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
 989         DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
 990
 991         {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
 992         {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
 993
 994         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
 995         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
 996
 997         {"DACL", NULL, "ST Mixer Out FilterL"},
 998         {"DACR", NULL, "ST Mixer Out FilterR"},
 999
1000         {"Mixout Left PGA", NULL, "DACL"},
1001         {"Mixout Right PGA", NULL, "DACR"},
1002
1003         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1004         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1005
1006         {"HPL", NULL, "Headphone Left PGA"},
1007         {"HPR", NULL, "Headphone Right PGA"},
1008
1009         {"HPL", NULL, "Charge Pump"},
1010         {"HPR", NULL, "Charge Pump"},
1011 };
1012
1013
1014 /*
1015  * DAI operations
1016  */
1017
1018 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1019                                  int clk_id, unsigned int freq, int dir)
1020 {
1021         struct snd_soc_codec *codec = codec_dai->codec;
1022         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1023         int ret = 0;
1024
1025         if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1026                 return 0;
1027
1028         if (((freq < 2000000) && (freq != 32768)) || (freq > 54000000)) {
1029                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1030                         freq);
1031                 return -EINVAL;
1032         }
1033
1034         switch (clk_id) {
1035         case DA7219_CLKSRC_MCLK_SQR:
1036                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1037                                     DA7219_PLL_MCLK_SQR_EN_MASK,
1038                                     DA7219_PLL_MCLK_SQR_EN_MASK);
1039                 break;
1040         case DA7219_CLKSRC_MCLK:
1041                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1042                                     DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1043                 break;
1044         default:
1045                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1046                 return -EINVAL;
1047         }
1048
1049         da7219->clk_src = clk_id;
1050
1051         if (da7219->mclk) {
1052                 freq = clk_round_rate(da7219->mclk, freq);
1053                 ret = clk_set_rate(da7219->mclk, freq);
1054                 if (ret) {
1055                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1056                                 freq);
1057                         return ret;
1058                 }
1059         }
1060
1061         da7219->mclk_rate = freq;
1062
1063         return 0;
1064 }
1065
1066 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1067                               int source, unsigned int fref, unsigned int fout)
1068 {
1069         struct snd_soc_codec *codec = codec_dai->codec;
1070         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1071
1072         u8 pll_ctrl, indiv_bits, indiv;
1073         u8 pll_frac_top, pll_frac_bot, pll_integer;
1074         u32 freq_ref;
1075         u64 frac_div;
1076
1077         /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1078         if (da7219->mclk_rate < 2000000) {
1079                 dev_err(codec->dev, "PLL input clock %d below valid range\n",
1080                         da7219->mclk_rate);
1081                 return -EINVAL;
1082         } else if (da7219->mclk_rate <= 5000000) {
1083                 indiv_bits = DA7219_PLL_INDIV_2_5_MHZ;
1084                 indiv = DA7219_PLL_INDIV_2_5_MHZ_VAL;
1085         } else if (da7219->mclk_rate <= 10000000) {
1086                 indiv_bits = DA7219_PLL_INDIV_5_10_MHZ;
1087                 indiv = DA7219_PLL_INDIV_5_10_MHZ_VAL;
1088         } else if (da7219->mclk_rate <= 20000000) {
1089                 indiv_bits = DA7219_PLL_INDIV_10_20_MHZ;
1090                 indiv = DA7219_PLL_INDIV_10_20_MHZ_VAL;
1091         } else if (da7219->mclk_rate <= 40000000) {
1092                 indiv_bits = DA7219_PLL_INDIV_20_40_MHZ;
1093                 indiv = DA7219_PLL_INDIV_20_40_MHZ_VAL;
1094         } else if (da7219->mclk_rate <= 54000000) {
1095                 indiv_bits = DA7219_PLL_INDIV_40_54_MHZ;
1096                 indiv = DA7219_PLL_INDIV_40_54_MHZ_VAL;
1097         } else {
1098                 dev_err(codec->dev, "PLL input clock %d above valid range\n",
1099                         da7219->mclk_rate);
1100                 return -EINVAL;
1101         }
1102         freq_ref = (da7219->mclk_rate / indiv);
1103         pll_ctrl = indiv_bits;
1104
1105         /* Configure PLL */
1106         switch (source) {
1107         case DA7219_SYSCLK_MCLK:
1108                 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1109                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1110                                     DA7219_PLL_INDIV_MASK |
1111                                     DA7219_PLL_MODE_MASK, pll_ctrl);
1112                 return 0;
1113         case DA7219_SYSCLK_PLL:
1114                 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1115                 break;
1116         case DA7219_SYSCLK_PLL_SRM:
1117                 pll_ctrl |= DA7219_PLL_MODE_SRM;
1118                 break;
1119         default:
1120                 dev_err(codec->dev, "Invalid PLL config\n");
1121                 return -EINVAL;
1122         }
1123
1124         /* Calculate dividers for PLL */
1125         pll_integer = fout / freq_ref;
1126         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1127         do_div(frac_div, freq_ref);
1128         pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1129         pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1130
1131         /* Write PLL config & dividers */
1132         snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top);
1133         snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1134         snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer);
1135         snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1136                             DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1137                             pll_ctrl);
1138
1139         return 0;
1140 }
1141
1142 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1143 {
1144         struct snd_soc_codec *codec = codec_dai->codec;
1145         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1146         u8 dai_clk_mode = 0, dai_ctrl = 0;
1147
1148         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1149         case SND_SOC_DAIFMT_CBM_CFM:
1150                 da7219->master = true;
1151                 break;
1152         case SND_SOC_DAIFMT_CBS_CFS:
1153                 da7219->master = false;
1154                 break;
1155         default:
1156                 return -EINVAL;
1157         }
1158
1159         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1160         case SND_SOC_DAIFMT_NB_NF:
1161                 break;
1162         case SND_SOC_DAIFMT_NB_IF:
1163                 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1164                 break;
1165         case SND_SOC_DAIFMT_IB_NF:
1166                 dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1167                 break;
1168         case SND_SOC_DAIFMT_IB_IF:
1169                 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1170                                 DA7219_DAI_CLK_POL_INV;
1171                 break;
1172         default:
1173                 return -EINVAL;
1174         }
1175
1176         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1177         case SND_SOC_DAIFMT_I2S:
1178                 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1179                 break;
1180         case SND_SOC_DAIFMT_LEFT_J:
1181                 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1182                 break;
1183         case SND_SOC_DAIFMT_RIGHT_J:
1184                 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1185                 break;
1186         case SND_SOC_DAIFMT_DSP_B:
1187                 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1188                 break;
1189         default:
1190                 return -EINVAL;
1191         }
1192
1193         /* By default 64 BCLKs per WCLK is supported */
1194         dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1195
1196         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1197                             DA7219_DAI_BCLKS_PER_WCLK_MASK |
1198                             DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1199                             dai_clk_mode);
1200         snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1201                             dai_ctrl);
1202
1203         return 0;
1204 }
1205
1206 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1207                                    unsigned int tx_mask, unsigned int rx_mask,
1208                                    int slots, int slot_width)
1209 {
1210         struct snd_soc_codec *codec = dai->codec;
1211         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1212         u8 dai_bclks_per_wclk;
1213         u16 offset;
1214         u32 frame_size;
1215
1216         /* No channels enabled so disable TDM, revert to 64-bit frames */
1217         if (!tx_mask) {
1218                 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1219                                     DA7219_DAI_TDM_CH_EN_MASK |
1220                                     DA7219_DAI_TDM_MODE_EN_MASK, 0);
1221                 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1222                                     DA7219_DAI_BCLKS_PER_WCLK_MASK,
1223                                     DA7219_DAI_BCLKS_PER_WCLK_64);
1224                 return 0;
1225         }
1226
1227         /* Check we have valid slots */
1228         if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1229                 dev_err(codec->dev, "Invalid number of slots, max = %d\n",
1230                         DA7219_DAI_TDM_MAX_SLOTS);
1231                 return -EINVAL;
1232         }
1233
1234         /* Check we have a valid offset given */
1235         if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1236                 dev_err(codec->dev, "Invalid slot offset, max = %d\n",
1237                         DA7219_DAI_OFFSET_MAX);
1238                 return -EINVAL;
1239         }
1240
1241         /* Calculate & validate frame size based on slot info provided. */
1242         frame_size = slots * slot_width;
1243         switch (frame_size) {
1244         case 32:
1245                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1246                 break;
1247         case 64:
1248                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1249                 break;
1250         case 128:
1251                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1252                 break;
1253         case 256:
1254                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1255                 break;
1256         default:
1257                 dev_err(codec->dev, "Invalid frame size %d\n", frame_size);
1258                 return -EINVAL;
1259         }
1260
1261         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1262                             DA7219_DAI_BCLKS_PER_WCLK_MASK,
1263                             dai_bclks_per_wclk);
1264
1265         offset = cpu_to_le16(rx_mask);
1266         regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1267                           &offset, sizeof(offset));
1268
1269         snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1270                             DA7219_DAI_TDM_CH_EN_MASK |
1271                             DA7219_DAI_TDM_MODE_EN_MASK,
1272                             (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1273                             DA7219_DAI_TDM_MODE_EN_MASK);
1274
1275         return 0;
1276 }
1277
1278 static int da7219_hw_params(struct snd_pcm_substream *substream,
1279                             struct snd_pcm_hw_params *params,
1280                             struct snd_soc_dai *dai)
1281 {
1282         struct snd_soc_codec *codec = dai->codec;
1283         u8 dai_ctrl = 0, fs;
1284         unsigned int channels;
1285
1286         switch (params_width(params)) {
1287         case 16:
1288                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1289                 break;
1290         case 20:
1291                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1292                 break;
1293         case 24:
1294                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1295                 break;
1296         case 32:
1297                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1298                 break;
1299         default:
1300                 return -EINVAL;
1301         }
1302
1303         channels = params_channels(params);
1304         if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1305                 dev_err(codec->dev,
1306                         "Invalid number of channels, only 1 to %d supported\n",
1307                         DA7219_DAI_CH_NUM_MAX);
1308                 return -EINVAL;
1309         }
1310         dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1311
1312         switch (params_rate(params)) {
1313         case 8000:
1314                 fs = DA7219_SR_8000;
1315                 break;
1316         case 11025:
1317                 fs = DA7219_SR_11025;
1318                 break;
1319         case 12000:
1320                 fs = DA7219_SR_12000;
1321                 break;
1322         case 16000:
1323                 fs = DA7219_SR_16000;
1324                 break;
1325         case 22050:
1326                 fs = DA7219_SR_22050;
1327                 break;
1328         case 24000:
1329                 fs = DA7219_SR_24000;
1330                 break;
1331         case 32000:
1332                 fs = DA7219_SR_32000;
1333                 break;
1334         case 44100:
1335                 fs = DA7219_SR_44100;
1336                 break;
1337         case 48000:
1338                 fs = DA7219_SR_48000;
1339                 break;
1340         case 88200:
1341                 fs = DA7219_SR_88200;
1342                 break;
1343         case 96000:
1344                 fs = DA7219_SR_96000;
1345                 break;
1346         default:
1347                 return -EINVAL;
1348         }
1349
1350         snd_soc_update_bits(codec, DA7219_DAI_CTRL,
1351                             DA7219_DAI_WORD_LENGTH_MASK |
1352                             DA7219_DAI_CH_NUM_MASK,
1353                             dai_ctrl);
1354         snd_soc_write(codec, DA7219_SR, fs);
1355
1356         return 0;
1357 }
1358
1359 static const struct snd_soc_dai_ops da7219_dai_ops = {
1360         .hw_params      = da7219_hw_params,
1361         .set_sysclk     = da7219_set_dai_sysclk,
1362         .set_pll        = da7219_set_dai_pll,
1363         .set_fmt        = da7219_set_dai_fmt,
1364         .set_tdm_slot   = da7219_set_dai_tdm_slot,
1365 };
1366
1367 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1368                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1369
1370 static struct snd_soc_dai_driver da7219_dai = {
1371         .name = "da7219-hifi",
1372         .playback = {
1373                 .stream_name = "Playback",
1374                 .channels_min = 1,
1375                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1376                 .rates = SNDRV_PCM_RATE_8000_96000,
1377                 .formats = DA7219_FORMATS,
1378         },
1379         .capture = {
1380                 .stream_name = "Capture",
1381                 .channels_min = 1,
1382                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1383                 .rates = SNDRV_PCM_RATE_8000_96000,
1384                 .formats = DA7219_FORMATS,
1385         },
1386         .ops = &da7219_dai_ops,
1387         .symmetric_rates = 1,
1388         .symmetric_channels = 1,
1389         .symmetric_samplebits = 1,
1390 };
1391
1392
1393 /*
1394  * DT
1395  */
1396
1397 static const struct of_device_id da7219_of_match[] = {
1398         { .compatible = "dlg,da7219", },
1399         { }
1400 };
1401 MODULE_DEVICE_TABLE(of, da7219_of_match);
1402
1403 static enum da7219_micbias_voltage
1404         da7219_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
1405 {
1406         switch (val) {
1407         case 1600:
1408                 return DA7219_MICBIAS_1_6V;
1409         case 1800:
1410                 return DA7219_MICBIAS_1_8V;
1411         case 2000:
1412                 return DA7219_MICBIAS_2_0V;
1413         case 2200:
1414                 return DA7219_MICBIAS_2_2V;
1415         case 2400:
1416                 return DA7219_MICBIAS_2_4V;
1417         case 2600:
1418                 return DA7219_MICBIAS_2_6V;
1419         default:
1420                 dev_warn(codec->dev, "Invalid micbias level");
1421                 return DA7219_MICBIAS_2_2V;
1422         }
1423 }
1424
1425 static enum da7219_mic_amp_in_sel
1426         da7219_of_mic_amp_in_sel(struct snd_soc_codec *codec, const char *str)
1427 {
1428         if (!strcmp(str, "diff")) {
1429                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1430         } else if (!strcmp(str, "se_p")) {
1431                 return DA7219_MIC_AMP_IN_SEL_SE_P;
1432         } else if (!strcmp(str, "se_n")) {
1433                 return DA7219_MIC_AMP_IN_SEL_SE_N;
1434         } else {
1435                 dev_warn(codec->dev, "Invalid mic input type selection");
1436                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1437         }
1438 }
1439
1440 static struct da7219_pdata *da7219_of_to_pdata(struct snd_soc_codec *codec)
1441 {
1442         struct device_node *np = codec->dev->of_node;
1443         struct da7219_pdata *pdata;
1444         const char *of_str;
1445         u32 of_val32;
1446
1447         pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
1448         if (!pdata)
1449                 return NULL;
1450
1451         if (of_property_read_u32(np, "dlg,micbias-lvl", &of_val32) >= 0)
1452                 pdata->micbias_lvl = da7219_of_micbias_lvl(codec, of_val32);
1453         else
1454                 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1455
1456         if (!of_property_read_string(np, "dlg,mic-amp-in-sel", &of_str))
1457                 pdata->mic_amp_in_sel = da7219_of_mic_amp_in_sel(codec, of_str);
1458         else
1459                 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1460
1461         return pdata;
1462 }
1463
1464
1465 /*
1466  * Codec driver functions
1467  */
1468
1469 static int da7219_set_bias_level(struct snd_soc_codec *codec,
1470                                  enum snd_soc_bias_level level)
1471 {
1472         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1473         int ret;
1474
1475         switch (level) {
1476         case SND_SOC_BIAS_ON:
1477         case SND_SOC_BIAS_PREPARE:
1478                 break;
1479         case SND_SOC_BIAS_STANDBY:
1480                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1481                         /* MCLK */
1482                         if (da7219->mclk) {
1483                                 ret = clk_prepare_enable(da7219->mclk);
1484                                 if (ret) {
1485                                         dev_err(codec->dev,
1486                                                 "Failed to enable mclk\n");
1487                                         return ret;
1488                                 }
1489                         }
1490
1491                         /* Master bias */
1492                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1493                                             DA7219_BIAS_EN_MASK,
1494                                             DA7219_BIAS_EN_MASK);
1495                 }
1496                 break;
1497         case SND_SOC_BIAS_OFF:
1498                 /* Only disable master bias if jack detection not active */
1499                 if (!da7219->aad->jack)
1500                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1501                                             DA7219_BIAS_EN_MASK, 0);
1502
1503                 /* MCLK */
1504                 if (da7219->mclk)
1505                         clk_disable_unprepare(da7219->mclk);
1506                 break;
1507         }
1508
1509         return 0;
1510 }
1511
1512 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1513         [DA7219_SUPPLY_VDD] = "VDD",
1514         [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1515         [DA7219_SUPPLY_VDDIO] = "VDDIO",
1516 };
1517
1518 static int da7219_handle_supplies(struct snd_soc_codec *codec)
1519 {
1520         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1521         struct regulator *vddio;
1522         u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1523         int i, ret;
1524
1525         /* Get required supplies */
1526         for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1527                 da7219->supplies[i].supply = da7219_supply_names[i];
1528
1529         ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES,
1530                                       da7219->supplies);
1531         if (ret) {
1532                 dev_err(codec->dev, "Failed to get supplies");
1533                 return ret;
1534         }
1535
1536         /* Determine VDDIO voltage provided */
1537         vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1538         ret = regulator_get_voltage(vddio);
1539         if (ret < 1200000)
1540                 dev_warn(codec->dev, "Invalid VDDIO voltage\n");
1541         else if (ret < 2800000)
1542                 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1543
1544         /* Enable main supplies */
1545         ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1546         if (ret) {
1547                 dev_err(codec->dev, "Failed to enable supplies");
1548                 return ret;
1549         }
1550
1551         /* Ensure device in active mode */
1552         snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1553
1554         /* Update IO voltage level range */
1555         snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl);
1556
1557         return 0;
1558 }
1559
1560 static void da7219_handle_pdata(struct snd_soc_codec *codec)
1561 {
1562         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1563         struct da7219_pdata *pdata = da7219->pdata;
1564
1565         if (pdata) {
1566                 u8 micbias_lvl = 0;
1567
1568                 /* Mic Bias voltages */
1569                 switch (pdata->micbias_lvl) {
1570                 case DA7219_MICBIAS_1_6V:
1571                 case DA7219_MICBIAS_1_8V:
1572                 case DA7219_MICBIAS_2_0V:
1573                 case DA7219_MICBIAS_2_2V:
1574                 case DA7219_MICBIAS_2_4V:
1575                 case DA7219_MICBIAS_2_6V:
1576                         micbias_lvl |= (pdata->micbias_lvl <<
1577                                         DA7219_MICBIAS1_LEVEL_SHIFT);
1578                         break;
1579                 }
1580
1581                 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl);
1582
1583                 /* Mic */
1584                 switch (pdata->mic_amp_in_sel) {
1585                 case DA7219_MIC_AMP_IN_SEL_DIFF:
1586                 case DA7219_MIC_AMP_IN_SEL_SE_P:
1587                 case DA7219_MIC_AMP_IN_SEL_SE_N:
1588                         snd_soc_write(codec, DA7219_MIC_1_SELECT,
1589                                       pdata->mic_amp_in_sel);
1590                         break;
1591                 }
1592         }
1593 }
1594
1595 static struct reg_sequence da7219_rev_aa_patch[] = {
1596         { DA7219_REFERENCES, 0x08 },
1597 };
1598
1599 static int da7219_probe(struct snd_soc_codec *codec)
1600 {
1601         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1602         unsigned int rev;
1603         int ret;
1604
1605         mutex_init(&da7219->lock);
1606
1607         /* Regulator configuration */
1608         ret = da7219_handle_supplies(codec);
1609         if (ret)
1610                 return ret;
1611
1612         ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1613         if (ret) {
1614                 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret);
1615                 goto err_disable_reg;
1616         }
1617
1618         switch (rev & DA7219_CHIP_MINOR_MASK) {
1619         case 0:
1620                 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1621                                             ARRAY_SIZE(da7219_rev_aa_patch));
1622                 if (ret) {
1623                         dev_err(codec->dev, "Failed to register AA patch: %d\n",
1624                                 ret);
1625                         goto err_disable_reg;
1626                 }
1627                 break;
1628         default:
1629                 break;
1630         }
1631
1632         /* Handle DT/Platform data */
1633         if (codec->dev->of_node)
1634                 da7219->pdata = da7219_of_to_pdata(codec);
1635         else
1636                 da7219->pdata = dev_get_platdata(codec->dev);
1637
1638         da7219_handle_pdata(codec);
1639
1640         /* Check if MCLK provided */
1641         da7219->mclk = devm_clk_get(codec->dev, "mclk");
1642         if (IS_ERR(da7219->mclk)) {
1643                 if (PTR_ERR(da7219->mclk) != -ENOENT) {
1644                         ret = PTR_ERR(da7219->mclk);
1645                         goto err_disable_reg;
1646                 } else {
1647                         da7219->mclk = NULL;
1648                 }
1649         }
1650
1651         /* Default PC counter to free-running */
1652         snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1653                             DA7219_PC_FREERUN_MASK);
1654
1655         /* Default gain ramping */
1656         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
1657                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1658                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1659         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1660                             DA7219_ADC_L_RAMP_EN_MASK);
1661         snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1662                             DA7219_DAC_L_RAMP_EN_MASK);
1663         snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1664                             DA7219_DAC_R_RAMP_EN_MASK);
1665         snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
1666                             DA7219_HP_L_AMP_RAMP_EN_MASK,
1667                             DA7219_HP_L_AMP_RAMP_EN_MASK);
1668         snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
1669                             DA7219_HP_R_AMP_RAMP_EN_MASK,
1670                             DA7219_HP_R_AMP_RAMP_EN_MASK);
1671
1672         /* Default infinite tone gen, start/stop by Kcontrol */
1673         snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1674
1675         /* Initialise AAD block */
1676         ret = da7219_aad_init(codec);
1677         if (ret)
1678                 goto err_disable_reg;
1679
1680         return 0;
1681
1682 err_disable_reg:
1683         regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1684
1685         return ret;
1686 }
1687
1688 static int da7219_remove(struct snd_soc_codec *codec)
1689 {
1690         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1691
1692         da7219_aad_exit(codec);
1693
1694         /* Supplies */
1695         return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1696 }
1697
1698 #ifdef CONFIG_PM
1699 static int da7219_suspend(struct snd_soc_codec *codec)
1700 {
1701         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1702
1703         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
1704
1705         /* Put device into standby mode if jack detection disabled */
1706         if (!da7219->aad->jack)
1707                 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, 0);
1708
1709         return 0;
1710 }
1711
1712 static int da7219_resume(struct snd_soc_codec *codec)
1713 {
1714         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1715
1716         /* Put device into active mode if previously pushed to standby */
1717         if (!da7219->aad->jack)
1718                 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE,
1719                               DA7219_SYSTEM_ACTIVE_MASK);
1720
1721         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1722
1723         return 0;
1724 }
1725 #else
1726 #define da7219_suspend NULL
1727 #define da7219_resume NULL
1728 #endif
1729
1730 static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
1731         .probe                  = da7219_probe,
1732         .remove                 = da7219_remove,
1733         .suspend                = da7219_suspend,
1734         .resume                 = da7219_resume,
1735         .set_bias_level         = da7219_set_bias_level,
1736
1737         .controls               = da7219_snd_controls,
1738         .num_controls           = ARRAY_SIZE(da7219_snd_controls),
1739
1740         .dapm_widgets           = da7219_dapm_widgets,
1741         .num_dapm_widgets       = ARRAY_SIZE(da7219_dapm_widgets),
1742         .dapm_routes            = da7219_audio_map,
1743         .num_dapm_routes        = ARRAY_SIZE(da7219_audio_map),
1744 };
1745
1746
1747 /*
1748  * Regmap configs
1749  */
1750
1751 static struct reg_default da7219_reg_defaults[] = {
1752         { DA7219_MIC_1_SELECT, 0x00 },
1753         { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
1754         { DA7219_SR_24_48, 0x00 },
1755         { DA7219_SR, 0x0A },
1756         { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
1757         { DA7219_PLL_CTRL, 0x10 },
1758         { DA7219_PLL_FRAC_TOP, 0x00 },
1759         { DA7219_PLL_FRAC_BOT, 0x00 },
1760         { DA7219_PLL_INTEGER, 0x20 },
1761         { DA7219_DIG_ROUTING_DAI, 0x10 },
1762         { DA7219_DAI_CLK_MODE, 0x01 },
1763         { DA7219_DAI_CTRL, 0x28 },
1764         { DA7219_DAI_TDM_CTRL, 0x40 },
1765         { DA7219_DIG_ROUTING_DAC, 0x32 },
1766         { DA7219_DAI_OFFSET_LOWER, 0x00 },
1767         { DA7219_DAI_OFFSET_UPPER, 0x00 },
1768         { DA7219_REFERENCES, 0x08 },
1769         { DA7219_MIXIN_L_SELECT, 0x00 },
1770         { DA7219_MIXIN_L_GAIN, 0x03 },
1771         { DA7219_ADC_L_GAIN, 0x6F },
1772         { DA7219_ADC_FILTERS1, 0x80 },
1773         { DA7219_MIC_1_GAIN, 0x01 },
1774         { DA7219_SIDETONE_CTRL, 0x40 },
1775         { DA7219_SIDETONE_GAIN, 0x0E },
1776         { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
1777         { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
1778         { DA7219_DAC_FILTERS5, 0x00 },
1779         { DA7219_DAC_FILTERS2, 0x88 },
1780         { DA7219_DAC_FILTERS3, 0x88 },
1781         { DA7219_DAC_FILTERS4, 0x08 },
1782         { DA7219_DAC_FILTERS1, 0x80 },
1783         { DA7219_DAC_L_GAIN, 0x6F },
1784         { DA7219_DAC_R_GAIN, 0x6F },
1785         { DA7219_CP_CTRL, 0x20 },
1786         { DA7219_HP_L_GAIN, 0x39 },
1787         { DA7219_HP_R_GAIN, 0x39 },
1788         { DA7219_MIXOUT_L_SELECT, 0x00 },
1789         { DA7219_MIXOUT_R_SELECT, 0x00 },
1790         { DA7219_MICBIAS_CTRL, 0x03 },
1791         { DA7219_MIC_1_CTRL, 0x40 },
1792         { DA7219_MIXIN_L_CTRL, 0x40 },
1793         { DA7219_ADC_L_CTRL, 0x40 },
1794         { DA7219_DAC_L_CTRL, 0x40 },
1795         { DA7219_DAC_R_CTRL, 0x40 },
1796         { DA7219_HP_L_CTRL, 0x40 },
1797         { DA7219_HP_R_CTRL, 0x40 },
1798         { DA7219_MIXOUT_L_CTRL, 0x10 },
1799         { DA7219_MIXOUT_R_CTRL, 0x10 },
1800         { DA7219_CHIP_ID1, 0x23 },
1801         { DA7219_CHIP_ID2, 0x93 },
1802         { DA7219_IO_CTRL, 0x00 },
1803         { DA7219_GAIN_RAMP_CTRL, 0x00 },
1804         { DA7219_PC_COUNT, 0x02 },
1805         { DA7219_CP_VOL_THRESHOLD1, 0x0E },
1806         { DA7219_DIG_CTRL, 0x00 },
1807         { DA7219_ALC_CTRL2, 0x00 },
1808         { DA7219_ALC_CTRL3, 0x00 },
1809         { DA7219_ALC_NOISE, 0x3F },
1810         { DA7219_ALC_TARGET_MIN, 0x3F },
1811         { DA7219_ALC_TARGET_MAX, 0x00 },
1812         { DA7219_ALC_GAIN_LIMITS, 0xFF },
1813         { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
1814         { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
1815         { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
1816         { DA7219_DAC_NG_SETUP_TIME, 0x00 },
1817         { DA7219_DAC_NG_OFF_THRESH, 0x00 },
1818         { DA7219_DAC_NG_ON_THRESH, 0x00 },
1819         { DA7219_DAC_NG_CTRL, 0x00 },
1820         { DA7219_TONE_GEN_CFG1, 0x00 },
1821         { DA7219_TONE_GEN_CFG2, 0x00 },
1822         { DA7219_TONE_GEN_CYCLES, 0x00 },
1823         { DA7219_TONE_GEN_FREQ1_L, 0x55 },
1824         { DA7219_TONE_GEN_FREQ1_U, 0x15 },
1825         { DA7219_TONE_GEN_FREQ2_L, 0x00 },
1826         { DA7219_TONE_GEN_FREQ2_U, 0x40 },
1827         { DA7219_TONE_GEN_ON_PER, 0x02 },
1828         { DA7219_TONE_GEN_OFF_PER, 0x01 },
1829         { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
1830         { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
1831         { DA7219_ACCDET_CONFIG_1, 0xD6 },
1832         { DA7219_ACCDET_CONFIG_2, 0x34 },
1833         { DA7219_ACCDET_CONFIG_3, 0x0A },
1834         { DA7219_ACCDET_CONFIG_4, 0x16 },
1835         { DA7219_ACCDET_CONFIG_5, 0x21 },
1836         { DA7219_ACCDET_CONFIG_6, 0x3E },
1837         { DA7219_ACCDET_CONFIG_7, 0x01 },
1838         { DA7219_SYSTEM_ACTIVE, 0x00 },
1839 };
1840
1841 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
1842 {
1843         switch (reg) {
1844         case DA7219_MIC_1_GAIN_STATUS:
1845         case DA7219_MIXIN_L_GAIN_STATUS:
1846         case DA7219_ADC_L_GAIN_STATUS:
1847         case DA7219_DAC_L_GAIN_STATUS:
1848         case DA7219_DAC_R_GAIN_STATUS:
1849         case DA7219_HP_L_GAIN_STATUS:
1850         case DA7219_HP_R_GAIN_STATUS:
1851         case DA7219_CIF_CTRL:
1852         case DA7219_PLL_SRM_STS:
1853         case DA7219_ALC_CTRL1:
1854         case DA7219_SYSTEM_MODES_INPUT:
1855         case DA7219_SYSTEM_MODES_OUTPUT:
1856         case DA7219_ALC_OFFSET_AUTO_M_L:
1857         case DA7219_ALC_OFFSET_AUTO_U_L:
1858         case DA7219_TONE_GEN_CFG1:
1859         case DA7219_ACCDET_STATUS_A:
1860         case DA7219_ACCDET_STATUS_B:
1861         case DA7219_ACCDET_IRQ_EVENT_A:
1862         case DA7219_ACCDET_IRQ_EVENT_B:
1863         case DA7219_ACCDET_CONFIG_8:
1864         case DA7219_SYSTEM_STATUS:
1865                 return 1;
1866         default:
1867                 return 0;
1868         }
1869 }
1870
1871 static const struct regmap_config da7219_regmap_config = {
1872         .reg_bits = 8,
1873         .val_bits = 8,
1874
1875         .max_register = DA7219_SYSTEM_ACTIVE,
1876         .reg_defaults = da7219_reg_defaults,
1877         .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
1878         .volatile_reg = da7219_volatile_register,
1879         .cache_type = REGCACHE_RBTREE,
1880 };
1881
1882
1883 /*
1884  * I2C layer
1885  */
1886
1887 static int da7219_i2c_probe(struct i2c_client *i2c,
1888                             const struct i2c_device_id *id)
1889 {
1890         struct da7219_priv *da7219;
1891         int ret;
1892
1893         da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
1894                               GFP_KERNEL);
1895         if (!da7219)
1896                 return -ENOMEM;
1897
1898         i2c_set_clientdata(i2c, da7219);
1899
1900         da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
1901         if (IS_ERR(da7219->regmap)) {
1902                 ret = PTR_ERR(da7219->regmap);
1903                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1904                 return ret;
1905         }
1906
1907         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219,
1908                                      &da7219_dai, 1);
1909         if (ret < 0) {
1910                 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n",
1911                         ret);
1912         }
1913         return ret;
1914 }
1915
1916 static int da7219_i2c_remove(struct i2c_client *client)
1917 {
1918         snd_soc_unregister_codec(&client->dev);
1919         return 0;
1920 }
1921
1922 static const struct i2c_device_id da7219_i2c_id[] = {
1923         { "da7219", },
1924         { }
1925 };
1926 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
1927
1928 static struct i2c_driver da7219_i2c_driver = {
1929         .driver = {
1930                 .name = "da7219",
1931                 .of_match_table = of_match_ptr(da7219_of_match),
1932         },
1933         .probe          = da7219_i2c_probe,
1934         .remove         = da7219_i2c_remove,
1935         .id_table       = da7219_i2c_id,
1936 };
1937
1938 module_i2c_driver(da7219_i2c_driver);
1939
1940 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
1941 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1942 MODULE_LICENSE("GPL");