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/acpi.h>
  15 #include <linux/clk.h>
  16 #include <linux/i2c.h>
  17 #include <linux/of_device.h>
  18 #include <linux/property.h>
  19 #include <linux/regmap.h>
  20 #include <linux/slab.h>
  21 #include <linux/pm.h>
  22 #include <linux/module.h>
  23 #include <linux/delay.h>
  24 #include <linux/regulator/consumer.h>
  25 #include <sound/pcm.h>
  26 #include <sound/pcm_params.h>
  27 #include <sound/soc.h>
  28 #include <sound/soc-dapm.h>
  29 #include <sound/initval.h>
  30 #include <sound/tlv.h>
  31 #include <asm/div64.h>
  32
  33 #include <sound/da7219.h>
  34 #include "da7219.h"
  35 #include "da7219-aad.h"
  36
  37
  38 /*
  39  * TLVs and Enums
  40  */
  41
  42 /* Input TLVs */
  43 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
  44 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
  45 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
  46 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
  47 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
  48 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
  49 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
  50 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
  51
  52 /* Output TLVs */
  53 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
  54
  55 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
  56         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  57         /* -77.25dB to 12dB */
  58         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
  59 );
  60
  61 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
  62 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
  63
  64 /* Input Enums */
  65 static const char * const da7219_alc_attack_rate_txt[] = {
  66         "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
  67         "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
  68         "30024/fs"
  69 };
  70
  71 static const struct soc_enum da7219_alc_attack_rate =
  72         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
  73                         DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
  74
  75 static const char * const da7219_alc_release_rate_txt[] = {
  76         "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
  77         "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
  78 };
  79
  80 static const struct soc_enum da7219_alc_release_rate =
  81         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
  82                         DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
  83
  84 static const char * const da7219_alc_hold_time_txt[] = {
  85         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
  86         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
  87         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
  88 };
  89
  90 static const struct soc_enum da7219_alc_hold_time =
  91         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
  92                         DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
  93
  94 static const char * const da7219_alc_env_rate_txt[] = {
  95         "1/4", "1/16", "1/256", "1/65536"
  96 };
  97
  98 static const struct soc_enum da7219_alc_env_attack_rate =
  99         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
 100                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
 101
 102 static const struct soc_enum da7219_alc_env_release_rate =
 103         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
 104                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
 105
 106 static const char * const da7219_alc_anticlip_step_txt[] = {
 107         "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
 108 };
 109
 110 static const struct soc_enum da7219_alc_anticlip_step =
 111         SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
 112                         DA7219_ALC_ANTICLIP_STEP_SHIFT,
 113                         DA7219_ALC_ANTICLIP_STEP_MAX,
 114                         da7219_alc_anticlip_step_txt);
 115
 116 /* Input/Output Enums */
 117 static const char * const da7219_gain_ramp_rate_txt[] = {
 118         "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
 119         "Nominal Rate / 16"
 120 };
 121
 122 static const struct soc_enum da7219_gain_ramp_rate =
 123         SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
 124                         DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
 125
 126 static const char * const da7219_hpf_mode_txt[] = {
 127         "Disabled", "Audio", "Voice"
 128 };
 129
 130 static const unsigned int da7219_hpf_mode_val[] = {
 131         DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
 132 };
 133
 134 static const struct soc_enum da7219_adc_hpf_mode =
 135         SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 136                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 137                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
 138
 139 static const struct soc_enum da7219_dac_hpf_mode =
 140         SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 141                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 142                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
 143
 144 static const char * const da7219_audio_hpf_corner_txt[] = {
 145         "2Hz", "4Hz", "8Hz", "16Hz"
 146 };
 147
 148 static const struct soc_enum da7219_adc_audio_hpf_corner =
 149         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 150                         DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
 151                         DA7219_AUDIO_HPF_CORNER_MAX,
 152                         da7219_audio_hpf_corner_txt);
 153
 154 static const struct soc_enum da7219_dac_audio_hpf_corner =
 155         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 156                         DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
 157                         DA7219_AUDIO_HPF_CORNER_MAX,
 158                         da7219_audio_hpf_corner_txt);
 159
 160 static const char * const da7219_voice_hpf_corner_txt[] = {
 161         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 162 };
 163
 164 static const struct soc_enum da7219_adc_voice_hpf_corner =
 165         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 166                         DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
 167                         DA7219_VOICE_HPF_CORNER_MAX,
 168                         da7219_voice_hpf_corner_txt);
 169
 170 static const struct soc_enum da7219_dac_voice_hpf_corner =
 171         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 172                         DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
 173                         DA7219_VOICE_HPF_CORNER_MAX,
 174                         da7219_voice_hpf_corner_txt);
 175
 176 static const char * const da7219_tonegen_dtmf_key_txt[] = {
 177         "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
 178         "*", "#"
 179 };
 180
 181 static const struct soc_enum da7219_tonegen_dtmf_key =
 182         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
 183                         DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
 184
 185 static const char * const da7219_tonegen_swg_sel_txt[] = {
 186         "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
 187 };
 188
 189 static const struct soc_enum da7219_tonegen_swg_sel =
 190         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
 191                         DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
 192
 193 /* Output Enums */
 194 static const char * const da7219_dac_softmute_rate_txt[] = {
 195         "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
 196         "32 Samples", "64 Samples"
 197 };
 198
 199 static const struct soc_enum da7219_dac_softmute_rate =
 200         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
 201                         DA7219_DAC_SOFTMUTE_RATE_MAX,
 202                         da7219_dac_softmute_rate_txt);
 203
 204 static const char * const da7219_dac_ng_setup_time_txt[] = {
 205         "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
 206 };
 207
 208 static const struct soc_enum da7219_dac_ng_setup_time =
 209         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 210                         DA7219_DAC_NG_SETUP_TIME_SHIFT,
 211                         DA7219_DAC_NG_SETUP_TIME_MAX,
 212                         da7219_dac_ng_setup_time_txt);
 213
 214 static const char * const da7219_dac_ng_rampup_txt[] = {
 215         "0.22ms/dB", "0.0138ms/dB"
 216 };
 217
 218 static const struct soc_enum da7219_dac_ng_rampup_rate =
 219         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 220                         DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
 221                         DA7219_DAC_NG_RAMP_RATE_MAX,
 222                         da7219_dac_ng_rampup_txt);
 223
 224 static const char * const da7219_dac_ng_rampdown_txt[] = {
 225         "0.88ms/dB", "14.08ms/dB"
 226 };
 227
 228 static const struct soc_enum da7219_dac_ng_rampdown_rate =
 229         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 230                         DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
 231                         DA7219_DAC_NG_RAMP_RATE_MAX,
 232                         da7219_dac_ng_rampdown_txt);
 233
 234
 235 static const char * const da7219_cp_track_mode_txt[] = {
 236         "Largest Volume", "DAC Volume", "Signal Magnitude"
 237 };
 238
 239 static const unsigned int da7219_cp_track_mode_val[] = {
 240         DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
 241         DA7219_CP_MCHANGE_SIG_MAG
 242 };
 243
 244 static const struct soc_enum da7219_cp_track_mode =
 245         SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
 246                               DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
 247                               da7219_cp_track_mode_txt,
 248                               da7219_cp_track_mode_val);
 249
 250
 251 /*
 252  * Control Functions
 253  */
 254
 255 /* Locked Kcontrol calls */
 256 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
 257                                    struct snd_ctl_elem_value *ucontrol)
 258 {
 259         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 260         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 261         int ret;
 262
 263         mutex_lock(&da7219->lock);
 264         ret = snd_soc_get_volsw(kcontrol, ucontrol);
 265         mutex_unlock(&da7219->lock);
 266
 267         return ret;
 268 }
 269
 270 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
 271                                    struct snd_ctl_elem_value *ucontrol)
 272 {
 273         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 274         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 275         int ret;
 276
 277         mutex_lock(&da7219->lock);
 278         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 279         mutex_unlock(&da7219->lock);
 280
 281         return ret;
 282 }
 283
 284 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
 285                                 struct snd_ctl_elem_value *ucontrol)
 286 {
 287         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 288         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 289         int ret;
 290
 291         mutex_lock(&da7219->lock);
 292         ret = snd_soc_get_enum_double(kcontrol, ucontrol);
 293         mutex_unlock(&da7219->lock);
 294
 295         return ret;
 296 }
 297
 298 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
 299                                 struct snd_ctl_elem_value *ucontrol)
 300 {
 301         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 302         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 303         int ret;
 304
 305         mutex_lock(&da7219->lock);
 306         ret = snd_soc_put_enum_double(kcontrol, ucontrol);
 307         mutex_unlock(&da7219->lock);
 308
 309         return ret;
 310 }
 311
 312 /* ALC */
 313 static void da7219_alc_calib(struct snd_soc_codec *codec)
 314 {
 315         u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
 316
 317         /* Save current state of mic control register */
 318         mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL);
 319
 320         /* Save current state of input mixer control register */
 321         mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL);
 322
 323         /* Save current state of input ADC control register */
 324         adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL);
 325
 326         /* Enable then Mute MIC PGAs */
 327         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
 328                             DA7219_MIC_1_AMP_EN_MASK);
 329         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL,
 330                             DA7219_MIC_1_AMP_MUTE_EN_MASK,
 331                             DA7219_MIC_1_AMP_MUTE_EN_MASK);
 332
 333         /* Enable input mixers unmuted */
 334         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
 335                             DA7219_MIXIN_L_AMP_EN_MASK |
 336                             DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
 337                             DA7219_MIXIN_L_AMP_EN_MASK);
 338
 339         /* Enable input filters unmuted */
 340         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL,
 341                             DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
 342                             DA7219_ADC_L_EN_MASK);
 343
 344         /* Perform auto calibration */
 345         snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 346                             DA7219_ALC_AUTO_CALIB_EN_MASK,
 347                             DA7219_ALC_AUTO_CALIB_EN_MASK);
 348         do {
 349                 calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1);
 350         } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
 351
 352         /* If auto calibration fails, disable DC offset, hybrid ALC */
 353         if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
 354                 dev_warn(codec->dev,
 355                          "ALC auto calibration failed with overflow\n");
 356                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 357                                     DA7219_ALC_OFFSET_EN_MASK |
 358                                     DA7219_ALC_SYNC_MODE_MASK, 0);
 359         } else {
 360                 /* Enable DC offset cancellation, hybrid mode */
 361                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 362                                     DA7219_ALC_OFFSET_EN_MASK |
 363                                     DA7219_ALC_SYNC_MODE_MASK,
 364                                     DA7219_ALC_OFFSET_EN_MASK |
 365                                     DA7219_ALC_SYNC_MODE_MASK);
 366         }
 367
 368         /* Restore input filter control register to original state */
 369         snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl);
 370
 371         /* Restore input mixer control registers to original state */
 372         snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl);
 373
 374         /* Restore MIC control registers to original states */
 375         snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl);
 376 }
 377
 378 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
 379                                  struct snd_ctl_elem_value *ucontrol)
 380 {
 381         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 382         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 383         int ret;
 384
 385         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 386
 387         /*
 388          * If ALC in operation and value of control has been updated,
 389          * make sure calibrated offsets are updated.
 390          */
 391         if ((ret == 1) && (da7219->alc_en))
 392                 da7219_alc_calib(codec);
 393
 394         return ret;
 395 }
 396
 397 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
 398                              struct snd_ctl_elem_value *ucontrol)
 399 {
 400         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 401         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 402
 403
 404         /* Force ALC offset calibration if enabling ALC */
 405         if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
 406                 da7219_alc_calib(codec);
 407                 da7219->alc_en = true;
 408         } else {
 409                 da7219->alc_en = false;
 410         }
 411
 412         return snd_soc_put_volsw(kcontrol, ucontrol);
 413 }
 414
 415 /* ToneGen */
 416 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
 417                                    struct snd_ctl_elem_value *ucontrol)
 418 {
 419         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 420         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 421         struct soc_mixer_control *mixer_ctrl =
 422                 (struct soc_mixer_control *) kcontrol->private_value;
 423         unsigned int reg = mixer_ctrl->reg;
 424         u16 val;
 425         int ret;
 426
 427         mutex_lock(&da7219->lock);
 428         ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
 429         mutex_unlock(&da7219->lock);
 430
 431         if (ret)
 432                 return ret;
 433
 434         /*
 435          * Frequency value spans two 8-bit registers, lower then upper byte.
 436          * Therefore we need to convert to host endianness here.
 437          */
 438         ucontrol->value.integer.value[0] = le16_to_cpu(val);
 439
 440         return 0;
 441 }
 442
 443 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
 444                                    struct snd_ctl_elem_value *ucontrol)
 445 {
 446         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 447         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 448         struct soc_mixer_control *mixer_ctrl =
 449                 (struct soc_mixer_control *) kcontrol->private_value;
 450         unsigned int reg = mixer_ctrl->reg;
 451         u16 val;
 452         int ret;
 453
 454         /*
 455          * Frequency value spans two 8-bit registers, lower then upper byte.
 456          * Therefore we need to convert to little endian here to align with
 457          * HW registers.
 458          */
 459         val = cpu_to_le16(ucontrol->value.integer.value[0]);
 460
 461         mutex_lock(&da7219->lock);
 462         ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
 463         mutex_unlock(&da7219->lock);
 464
 465         return ret;
 466 }
 467
 468
 469 /*
 470  * KControls
 471  */
 472
 473 static const struct snd_kcontrol_new da7219_snd_controls[] = {
 474         /* Mics */
 475         SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
 476                        DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
 477                        DA7219_NO_INVERT, da7219_mic_gain_tlv),
 478         SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
 479                    DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 480                    DA7219_INVERT),
 481
 482         /* Mixer Input */
 483         SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
 484                            DA7219_MIXIN_L_AMP_GAIN_SHIFT,
 485                            DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
 486                            snd_soc_get_volsw, da7219_mixin_gain_put,
 487                            da7219_mixin_gain_tlv),
 488         SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
 489                    DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 490                    DA7219_INVERT),
 491         SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
 492                    DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 493                    DA7219_NO_INVERT),
 494         SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
 495                    DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 496                    DA7219_NO_INVERT),
 497
 498         /* ADC */
 499         SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
 500                        DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
 501                        DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 502                        da7219_adc_dig_gain_tlv),
 503         SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
 504                    DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 505                    DA7219_INVERT),
 506         SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
 507                    DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 508                    DA7219_NO_INVERT),
 509
 510         /* ALC */
 511         SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
 512         SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
 513         SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
 514         SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
 515         SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
 516         SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
 517                        DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 518                        DA7219_INVERT, da7219_alc_threshold_tlv),
 519         SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
 520                        DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 521                        DA7219_INVERT, da7219_alc_threshold_tlv),
 522         SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
 523                        DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 524                        DA7219_INVERT, da7219_alc_threshold_tlv),
 525         SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
 526                        DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 527                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 528         SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
 529                        DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 530                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 531         SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 532                              DA7219_ALC_ANA_GAIN_MIN_SHIFT,
 533                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 534                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 535         SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 536                              DA7219_ALC_ANA_GAIN_MAX_SHIFT,
 537                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 538                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 539         SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
 540         SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
 541                    DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 542                    DA7219_NO_INVERT),
 543         SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
 544                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
 545                        snd_soc_get_volsw, da7219_alc_sw_put),
 546
 547         /* Input High-Pass Filters */
 548         SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
 549         SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
 550         SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
 551
 552         /* Sidetone Filter */
 553         SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
 554                        DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
 555                        DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
 556         SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
 557                    DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 558                    DA7219_INVERT),
 559
 560         /* Tone Generator */
 561         SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
 562                            DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
 563                            DA7219_NO_INVERT, da7219_volsw_locked_get,
 564                            da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
 565         SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
 566                      da7219_enum_locked_get, da7219_enum_locked_put),
 567         SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
 568                        DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 569                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 570                        da7219_volsw_locked_put),
 571         SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
 572                      da7219_enum_locked_get, da7219_enum_locked_put),
 573         SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
 574                        DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 575                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 576         SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
 577                        DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 578                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 579         SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
 580                        DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 581                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 582                        da7219_volsw_locked_put),
 583         SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
 584                    DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 585                    DA7219_NO_INVERT),
 586
 587         /* Gain ramping */
 588         SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
 589
 590         /* DAC High-Pass Filter */
 591         SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
 592                      da7219_enum_locked_get, da7219_enum_locked_put),
 593         SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
 594         SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
 595
 596         /* DAC 5-Band Equaliser */
 597         SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
 598                        DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 599                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 600         SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
 601                        DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 602                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 603         SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
 604                        DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 605                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 606         SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
 607                        DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 608                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 609         SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
 610                        DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 611                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 612         SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
 613                        DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 614                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 615                        da7219_volsw_locked_put),
 616
 617         /* DAC Softmute */
 618         SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
 619         SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
 620                        DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 621                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 622                        da7219_volsw_locked_put),
 623
 624         /* DAC Noise Gate */
 625         SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
 626         SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
 627         SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
 628         SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
 629                        DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
 630                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 631                        da7219_dac_ng_threshold_tlv),
 632         SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
 633                        DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
 634                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 635                        da7219_dac_ng_threshold_tlv),
 636         SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
 637                    DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 638
 639         /* DACs */
 640         SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
 641                              DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
 642                              DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 643                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 644                              da7219_dac_dig_gain_tlv),
 645         SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
 646                          DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
 647                          DA7219_SWITCH_EN_MAX, DA7219_INVERT,
 648                          da7219_volsw_locked_get, da7219_volsw_locked_put),
 649         SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
 650                      DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
 651                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 652
 653         /* CP */
 654         SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
 655         SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
 656                    DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
 657                    DA7219_NO_INVERT),
 658
 659         /* Headphones */
 660         SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
 661                              DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
 662                              DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
 663                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 664                              da7219_hp_gain_tlv),
 665         SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
 666                          DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 667                          DA7219_INVERT, da7219_volsw_locked_get,
 668                          da7219_volsw_locked_put),
 669         SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
 670                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
 671                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 672         SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
 673                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
 674                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 675 };
 676
 677
 678 /*
 679  * DAPM Mux Controls
 680  */
 681
 682 static const char * const da7219_out_sel_txt[] = {
 683         "ADC", "Tone Generator", "DAIL", "DAIR"
 684 };
 685
 686 static const struct soc_enum da7219_out_dail_sel =
 687         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 688                         DA7219_DAI_L_SRC_SHIFT,
 689                         DA7219_OUT_SRC_MAX,
 690                         da7219_out_sel_txt);
 691
 692 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
 693         SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
 694
 695 static const struct soc_enum da7219_out_dair_sel =
 696         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 697                         DA7219_DAI_R_SRC_SHIFT,
 698                         DA7219_OUT_SRC_MAX,
 699                         da7219_out_sel_txt);
 700
 701 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
 702         SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
 703
 704 static const struct soc_enum da7219_out_dacl_sel =
 705         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 706                         DA7219_DAC_L_SRC_SHIFT,
 707                         DA7219_OUT_SRC_MAX,
 708                         da7219_out_sel_txt);
 709
 710 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
 711         SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
 712
 713 static const struct soc_enum da7219_out_dacr_sel =
 714         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 715                         DA7219_DAC_R_SRC_SHIFT,
 716                         DA7219_OUT_SRC_MAX,
 717                         da7219_out_sel_txt);
 718
 719 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
 720         SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
 721
 722
 723 /*
 724  * DAPM Mixer Controls
 725  */
 726
 727 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
 728         SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
 729                         DA7219_MIXIN_L_MIX_SELECT_SHIFT,
 730                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 731 };
 732
 733 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
 734         SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
 735                         DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
 736                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 737 };
 738
 739 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
 740         SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
 741                         DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
 742                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 743 };
 744
 745 #define DA7219_DMIX_ST_CTRLS(reg)                                       \
 746         SOC_DAPM_SINGLE("Out FilterL Switch", reg,                      \
 747                         DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,             \
 748                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 749         SOC_DAPM_SINGLE("Out FilterR Switch", reg,                      \
 750                         DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,             \
 751                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 752         SOC_DAPM_SINGLE("Sidetone Switch", reg,                         \
 753                         DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,              \
 754                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)         \
 755
 756 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
 757         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
 758 };
 759
 760 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
 761         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
 762 };
 763
 764
 765 /*
 766  * DAPM Events
 767  */
 768
 769 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
 770                             struct snd_kcontrol *kcontrol, int event)
 771 {
 772         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 773         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 774         u8 pll_ctrl, pll_status;
 775         int i = 0;
 776         bool srm_lock = false;
 777
 778         switch (event) {
 779         case SND_SOC_DAPM_PRE_PMU:
 780                 if (da7219->master)
 781                         /* Enable DAI clks for master mode */
 782                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
 783                                             DA7219_DAI_CLK_EN_MASK,
 784                                             DA7219_DAI_CLK_EN_MASK);
 785
 786                 /* PC synchronised to DAI */
 787                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
 788                                     DA7219_PC_FREERUN_MASK, 0);
 789
 790                 /* Slave mode, if SRM not enabled no need for status checks */
 791                 pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL);
 792                 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
 793                         return 0;
 794
 795                 /* Check SRM has locked */
 796                 do {
 797                         pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS);
 798                         if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
 799                                 srm_lock = true;
 800                         } else {
 801                                 ++i;
 802                                 msleep(50);
 803                         }
 804                 } while ((i < DA7219_SRM_CHECK_RETRIES) & (!srm_lock));
 805
 806                 if (!srm_lock)
 807                         dev_warn(codec->dev, "SRM failed to lock\n");
 808
 809                 return 0;
 810         case SND_SOC_DAPM_POST_PMD:
 811                 /* PC free-running */
 812                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
 813                                     DA7219_PC_FREERUN_MASK,
 814                                     DA7219_PC_FREERUN_MASK);
 815
 816                 /* Disable DAI clks if in master mode */
 817                 if (da7219->master)
 818                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
 819                                             DA7219_DAI_CLK_EN_MASK, 0);
 820                 return 0;
 821         default:
 822                 return -EINVAL;
 823         }
 824 }
 825
 826
 827 /*
 828  * DAPM Widgets
 829  */
 830
 831 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
 832         /* Input Supplies */
 833         SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
 834                             DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
 835                             NULL, 0),
 836
 837         /* Inputs */
 838         SND_SOC_DAPM_INPUT("MIC"),
 839
 840         /* Input PGAs */
 841         SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL,
 842                          DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
 843                          NULL, 0),
 844         SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL,
 845                          DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 846                          NULL, 0),
 847
 848         /* Input Filters */
 849         SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
 850                          DA7219_NO_INVERT),
 851
 852         /* Tone Generator */
 853         SND_SOC_DAPM_SIGGEN("TONE"),
 854         SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
 855                          DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 856
 857         /* Sidetone Input */
 858         SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
 859                          DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
 860
 861         /* Input Mixer Supply */
 862         SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
 863                             DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
 864                             NULL, 0),
 865
 866         /* Input Mixer */
 867         SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
 868                            da7219_mixin_controls,
 869                            ARRAY_SIZE(da7219_mixin_controls)),
 870
 871         /* Input Muxes */
 872         SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
 873                          &da7219_out_dail_sel_mux),
 874         SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
 875                          &da7219_out_dair_sel_mux),
 876
 877         /* DAI Supply */
 878         SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
 879                             DA7219_NO_INVERT, da7219_dai_event,
 880                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 881
 882         /* DAI */
 883         SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
 884         SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
 885
 886         /* Output Muxes */
 887         SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
 888                          &da7219_out_dacl_sel_mux),
 889         SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
 890                          &da7219_out_dacr_sel_mux),
 891
 892         /* Output Mixers */
 893         SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
 894                            da7219_mixout_l_controls,
 895                            ARRAY_SIZE(da7219_mixout_l_controls)),
 896         SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
 897                            da7219_mixout_r_controls,
 898                            ARRAY_SIZE(da7219_mixout_r_controls)),
 899
 900         /* Sidetone Mixers */
 901         SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
 902                            da7219_st_out_filtl_mix_controls,
 903                            ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
 904         SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
 905                            0, da7219_st_out_filtr_mix_controls,
 906                            ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
 907
 908         /* DACs */
 909         SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT,
 910                          DA7219_NO_INVERT),
 911         SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT,
 912                          DA7219_NO_INVERT),
 913
 914         /* Output PGAs */
 915         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
 916                          DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 917                          NULL, 0),
 918         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
 919                          DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
 920                          NULL, 0),
 921         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL,
 922                          DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 923         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL,
 924                          DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 925
 926         /* Output Supplies */
 927         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT,
 928                             DA7219_NO_INVERT, NULL, 0),
 929
 930         /* Outputs */
 931         SND_SOC_DAPM_OUTPUT("HPL"),
 932         SND_SOC_DAPM_OUTPUT("HPR"),
 933 };
 934
 935
 936 /*
 937  * DAPM Mux Routes
 938  */
 939
 940 #define DA7219_OUT_DAI_MUX_ROUTES(name)                 \
 941         {name, "ADC", "Mixer In"},                      \
 942         {name, "Tone Generator", "Tone Generator"},     \
 943         {name, "DAIL", "DAIOUT"},                       \
 944         {name, "DAIR", "DAIOUT"}
 945
 946 #define DA7219_OUT_DAC_MUX_ROUTES(name)                 \
 947         {name, "ADC", "Mixer In"},                      \
 948         {name, "Tone Generator", "Tone Generator"},             \
 949         {name, "DAIL", "DAIIN"},                        \
 950         {name, "DAIR", "DAIIN"}
 951
 952 /*
 953  * DAPM Mixer Routes
 954  */
 955
 956 #define DA7219_DMIX_ST_ROUTES(name)                             \
 957         {name, "Out FilterL Switch", "Mixer Out FilterL"},      \
 958         {name, "Out FilterR Switch", "Mixer Out FilterR"},      \
 959         {name, "Sidetone Switch", "Sidetone Filter"}
 960
 961
 962 /*
 963  * DAPM audio route definition
 964  */
 965
 966 static const struct snd_soc_dapm_route da7219_audio_map[] = {
 967         /* Input paths */
 968         {"MIC", NULL, "Mic Bias"},
 969         {"Mic PGA", NULL, "MIC"},
 970         {"Mixin PGA", NULL, "Mic PGA"},
 971         {"ADC", NULL, "Mixin PGA"},
 972
 973         {"Mixer In", NULL, "Mixer In Supply"},
 974         {"Mixer In", "Mic Switch", "ADC"},
 975
 976         {"Sidetone Filter", NULL, "Mixer In"},
 977
 978         {"Tone Generator", NULL, "TONE"},
 979
 980         DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
 981         DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
 982
 983         {"DAIOUT", NULL, "Out DAIL Mux"},
 984         {"DAIOUT", NULL, "Out DAIR Mux"},
 985         {"DAIOUT", NULL, "DAI"},
 986
 987         /* Output paths */
 988         {"DAIIN", NULL, "DAI"},
 989
 990         DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
 991         DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
 992
 993         {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
 994         {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
 995
 996         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
 997         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
 998
 999         {"DACL", NULL, "ST Mixer Out FilterL"},
1000         {"DACR", NULL, "ST Mixer Out FilterR"},
1001
1002         {"Mixout Left PGA", NULL, "DACL"},
1003         {"Mixout Right PGA", NULL, "DACR"},
1004
1005         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1006         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1007
1008         {"HPL", NULL, "Headphone Left PGA"},
1009         {"HPR", NULL, "Headphone Right PGA"},
1010
1011         {"HPL", NULL, "Charge Pump"},
1012         {"HPR", NULL, "Charge Pump"},
1013 };
1014
1015
1016 /*
1017  * DAI operations
1018  */
1019
1020 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1021                                  int clk_id, unsigned int freq, int dir)
1022 {
1023         struct snd_soc_codec *codec = codec_dai->codec;
1024         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1025         int ret = 0;
1026
1027         if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1028                 return 0;
1029
1030         if ((freq < 2000000) || (freq > 54000000)) {
1031                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1032                         freq);
1033                 return -EINVAL;
1034         }
1035
1036         switch (clk_id) {
1037         case DA7219_CLKSRC_MCLK_SQR:
1038                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1039                                     DA7219_PLL_MCLK_SQR_EN_MASK,
1040                                     DA7219_PLL_MCLK_SQR_EN_MASK);
1041                 break;
1042         case DA7219_CLKSRC_MCLK:
1043                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1044                                     DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1045                 break;
1046         default:
1047                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1048                 return -EINVAL;
1049         }
1050
1051         da7219->clk_src = clk_id;
1052
1053         if (da7219->mclk) {
1054                 freq = clk_round_rate(da7219->mclk, freq);
1055                 ret = clk_set_rate(da7219->mclk, freq);
1056                 if (ret) {
1057                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1058                                 freq);
1059                         return ret;
1060                 }
1061         }
1062
1063         da7219->mclk_rate = freq;
1064
1065         return 0;
1066 }
1067
1068 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1069                               int source, unsigned int fref, unsigned int fout)
1070 {
1071         struct snd_soc_codec *codec = codec_dai->codec;
1072         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1073
1074         u8 pll_ctrl, indiv_bits, indiv;
1075         u8 pll_frac_top, pll_frac_bot, pll_integer;
1076         u32 freq_ref;
1077         u64 frac_div;
1078
1079         /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1080         if (da7219->mclk_rate < 2000000) {
1081                 dev_err(codec->dev, "PLL input clock %d below valid range\n",
1082                         da7219->mclk_rate);
1083                 return -EINVAL;
1084         } else if (da7219->mclk_rate <= 4500000) {
1085                 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1086                 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1087         } else if (da7219->mclk_rate <= 9000000) {
1088                 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1089                 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1090         } else if (da7219->mclk_rate <= 18000000) {
1091                 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1092                 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1093         } else if (da7219->mclk_rate <= 36000000) {
1094                 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1095                 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1096         } else if (da7219->mclk_rate <= 54000000) {
1097                 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1098                 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1099         } else {
1100                 dev_err(codec->dev, "PLL input clock %d above valid range\n",
1101                         da7219->mclk_rate);
1102                 return -EINVAL;
1103         }
1104         freq_ref = (da7219->mclk_rate / indiv);
1105         pll_ctrl = indiv_bits;
1106
1107         /* Configure PLL */
1108         switch (source) {
1109         case DA7219_SYSCLK_MCLK:
1110                 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1111                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1112                                     DA7219_PLL_INDIV_MASK |
1113                                     DA7219_PLL_MODE_MASK, pll_ctrl);
1114                 return 0;
1115         case DA7219_SYSCLK_PLL:
1116                 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1117                 break;
1118         case DA7219_SYSCLK_PLL_SRM:
1119                 pll_ctrl |= DA7219_PLL_MODE_SRM;
1120                 break;
1121         default:
1122                 dev_err(codec->dev, "Invalid PLL config\n");
1123                 return -EINVAL;
1124         }
1125
1126         /* Calculate dividers for PLL */
1127         pll_integer = fout / freq_ref;
1128         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1129         do_div(frac_div, freq_ref);
1130         pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1131         pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1132
1133         /* Write PLL config & dividers */
1134         snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top);
1135         snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1136         snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer);
1137         snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1138                             DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1139                             pll_ctrl);
1140
1141         return 0;
1142 }
1143
1144 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1145 {
1146         struct snd_soc_codec *codec = codec_dai->codec;
1147         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1148         u8 dai_clk_mode = 0, dai_ctrl = 0;
1149
1150         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1151         case SND_SOC_DAIFMT_CBM_CFM:
1152                 da7219->master = true;
1153                 break;
1154         case SND_SOC_DAIFMT_CBS_CFS:
1155                 da7219->master = false;
1156                 break;
1157         default:
1158                 return -EINVAL;
1159         }
1160
1161         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1162         case SND_SOC_DAIFMT_I2S:
1163         case SND_SOC_DAIFMT_LEFT_J:
1164         case SND_SOC_DAIFMT_RIGHT_J:
1165                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1166                 case SND_SOC_DAIFMT_NB_NF:
1167                         break;
1168                 case SND_SOC_DAIFMT_NB_IF:
1169                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1170                         break;
1171                 case SND_SOC_DAIFMT_IB_NF:
1172                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1173                         break;
1174                 case SND_SOC_DAIFMT_IB_IF:
1175                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1176                                         DA7219_DAI_CLK_POL_INV;
1177                         break;
1178                 default:
1179                         return -EINVAL;
1180                 }
1181                 break;
1182         case SND_SOC_DAIFMT_DSP_B:
1183                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1184                 case SND_SOC_DAIFMT_NB_NF:
1185                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1186                         break;
1187                 case SND_SOC_DAIFMT_NB_IF:
1188                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1189                                         DA7219_DAI_CLK_POL_INV;
1190                         break;
1191                 case SND_SOC_DAIFMT_IB_NF:
1192                         break;
1193                 case SND_SOC_DAIFMT_IB_IF:
1194                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1195                         break;
1196                 default:
1197                         return -EINVAL;
1198                 }
1199                 break;
1200         default:
1201                 return -EINVAL;
1202         }
1203
1204         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1205         case SND_SOC_DAIFMT_I2S:
1206                 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1207                 break;
1208         case SND_SOC_DAIFMT_LEFT_J:
1209                 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1210                 break;
1211         case SND_SOC_DAIFMT_RIGHT_J:
1212                 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1213                 break;
1214         case SND_SOC_DAIFMT_DSP_B:
1215                 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1216                 break;
1217         default:
1218                 return -EINVAL;
1219         }
1220
1221         /* By default 64 BCLKs per WCLK is supported */
1222         dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1223
1224         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1225                             DA7219_DAI_BCLKS_PER_WCLK_MASK |
1226                             DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1227                             dai_clk_mode);
1228         snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1229                             dai_ctrl);
1230
1231         return 0;
1232 }
1233
1234 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1235                                    unsigned int tx_mask, unsigned int rx_mask,
1236                                    int slots, int slot_width)
1237 {
1238         struct snd_soc_codec *codec = dai->codec;
1239         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1240         u8 dai_bclks_per_wclk;
1241         u16 offset;
1242         u32 frame_size;
1243
1244         /* No channels enabled so disable TDM, revert to 64-bit frames */
1245         if (!tx_mask) {
1246                 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1247                                     DA7219_DAI_TDM_CH_EN_MASK |
1248                                     DA7219_DAI_TDM_MODE_EN_MASK, 0);
1249                 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1250                                     DA7219_DAI_BCLKS_PER_WCLK_MASK,
1251                                     DA7219_DAI_BCLKS_PER_WCLK_64);
1252                 return 0;
1253         }
1254
1255         /* Check we have valid slots */
1256         if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1257                 dev_err(codec->dev, "Invalid number of slots, max = %d\n",
1258                         DA7219_DAI_TDM_MAX_SLOTS);
1259                 return -EINVAL;
1260         }
1261
1262         /* Check we have a valid offset given */
1263         if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1264                 dev_err(codec->dev, "Invalid slot offset, max = %d\n",
1265                         DA7219_DAI_OFFSET_MAX);
1266                 return -EINVAL;
1267         }
1268
1269         /* Calculate & validate frame size based on slot info provided. */
1270         frame_size = slots * slot_width;
1271         switch (frame_size) {
1272         case 32:
1273                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1274                 break;
1275         case 64:
1276                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1277                 break;
1278         case 128:
1279                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1280                 break;
1281         case 256:
1282                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1283                 break;
1284         default:
1285                 dev_err(codec->dev, "Invalid frame size %d\n", frame_size);
1286                 return -EINVAL;
1287         }
1288
1289         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1290                             DA7219_DAI_BCLKS_PER_WCLK_MASK,
1291                             dai_bclks_per_wclk);
1292
1293         offset = cpu_to_le16(rx_mask);
1294         regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1295                           &offset, sizeof(offset));
1296
1297         snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1298                             DA7219_DAI_TDM_CH_EN_MASK |
1299                             DA7219_DAI_TDM_MODE_EN_MASK,
1300                             (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1301                             DA7219_DAI_TDM_MODE_EN_MASK);
1302
1303         return 0;
1304 }
1305
1306 static int da7219_hw_params(struct snd_pcm_substream *substream,
1307                             struct snd_pcm_hw_params *params,
1308                             struct snd_soc_dai *dai)
1309 {
1310         struct snd_soc_codec *codec = dai->codec;
1311         u8 dai_ctrl = 0, fs;
1312         unsigned int channels;
1313
1314         switch (params_width(params)) {
1315         case 16:
1316                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1317                 break;
1318         case 20:
1319                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1320                 break;
1321         case 24:
1322                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1323                 break;
1324         case 32:
1325                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1326                 break;
1327         default:
1328                 return -EINVAL;
1329         }
1330
1331         channels = params_channels(params);
1332         if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1333                 dev_err(codec->dev,
1334                         "Invalid number of channels, only 1 to %d supported\n",
1335                         DA7219_DAI_CH_NUM_MAX);
1336                 return -EINVAL;
1337         }
1338         dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1339
1340         switch (params_rate(params)) {
1341         case 8000:
1342                 fs = DA7219_SR_8000;
1343                 break;
1344         case 11025:
1345                 fs = DA7219_SR_11025;
1346                 break;
1347         case 12000:
1348                 fs = DA7219_SR_12000;
1349                 break;
1350         case 16000:
1351                 fs = DA7219_SR_16000;
1352                 break;
1353         case 22050:
1354                 fs = DA7219_SR_22050;
1355                 break;
1356         case 24000:
1357                 fs = DA7219_SR_24000;
1358                 break;
1359         case 32000:
1360                 fs = DA7219_SR_32000;
1361                 break;
1362         case 44100:
1363                 fs = DA7219_SR_44100;
1364                 break;
1365         case 48000:
1366                 fs = DA7219_SR_48000;
1367                 break;
1368         case 88200:
1369                 fs = DA7219_SR_88200;
1370                 break;
1371         case 96000:
1372                 fs = DA7219_SR_96000;
1373                 break;
1374         default:
1375                 return -EINVAL;
1376         }
1377
1378         snd_soc_update_bits(codec, DA7219_DAI_CTRL,
1379                             DA7219_DAI_WORD_LENGTH_MASK |
1380                             DA7219_DAI_CH_NUM_MASK,
1381                             dai_ctrl);
1382         snd_soc_write(codec, DA7219_SR, fs);
1383
1384         return 0;
1385 }
1386
1387 static const struct snd_soc_dai_ops da7219_dai_ops = {
1388         .hw_params      = da7219_hw_params,
1389         .set_sysclk     = da7219_set_dai_sysclk,
1390         .set_pll        = da7219_set_dai_pll,
1391         .set_fmt        = da7219_set_dai_fmt,
1392         .set_tdm_slot   = da7219_set_dai_tdm_slot,
1393 };
1394
1395 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1396                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1397
1398 static struct snd_soc_dai_driver da7219_dai = {
1399         .name = "da7219-hifi",
1400         .playback = {
1401                 .stream_name = "Playback",
1402                 .channels_min = 1,
1403                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1404                 .rates = SNDRV_PCM_RATE_8000_96000,
1405                 .formats = DA7219_FORMATS,
1406         },
1407         .capture = {
1408                 .stream_name = "Capture",
1409                 .channels_min = 1,
1410                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1411                 .rates = SNDRV_PCM_RATE_8000_96000,
1412                 .formats = DA7219_FORMATS,
1413         },
1414         .ops = &da7219_dai_ops,
1415         .symmetric_rates = 1,
1416         .symmetric_channels = 1,
1417         .symmetric_samplebits = 1,
1418 };
1419
1420
1421 /*
1422  * DT/ACPI
1423  */
1424
1425 static const struct of_device_id da7219_of_match[] = {
1426         { .compatible = "dlg,da7219", },
1427         { }
1428 };
1429 MODULE_DEVICE_TABLE(of, da7219_of_match);
1430
1431 static const struct acpi_device_id da7219_acpi_match[] = {
1432         { .id = "DLGS7219", },
1433         { }
1434 };
1435 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1436
1437 static enum da7219_micbias_voltage
1438         da7219_fw_micbias_lvl(struct device *dev, u32 val)
1439 {
1440         switch (val) {
1441         case 1600:
1442                 return DA7219_MICBIAS_1_6V;
1443         case 1800:
1444                 return DA7219_MICBIAS_1_8V;
1445         case 2000:
1446                 return DA7219_MICBIAS_2_0V;
1447         case 2200:
1448                 return DA7219_MICBIAS_2_2V;
1449         case 2400:
1450                 return DA7219_MICBIAS_2_4V;
1451         case 2600:
1452                 return DA7219_MICBIAS_2_6V;
1453         default:
1454                 dev_warn(dev, "Invalid micbias level");
1455                 return DA7219_MICBIAS_2_2V;
1456         }
1457 }
1458
1459 static enum da7219_mic_amp_in_sel
1460         da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1461 {
1462         if (!strcmp(str, "diff")) {
1463                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1464         } else if (!strcmp(str, "se_p")) {
1465                 return DA7219_MIC_AMP_IN_SEL_SE_P;
1466         } else if (!strcmp(str, "se_n")) {
1467                 return DA7219_MIC_AMP_IN_SEL_SE_N;
1468         } else {
1469                 dev_warn(dev, "Invalid mic input type selection");
1470                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1471         }
1472 }
1473
1474 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_codec *codec)
1475 {
1476         struct device *dev = codec->dev;
1477         struct da7219_pdata *pdata;
1478         const char *of_str;
1479         u32 of_val32;
1480
1481         pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1482         if (!pdata)
1483                 return NULL;
1484
1485         if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1486                 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1487         else
1488                 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1489
1490         if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1491                 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1492         else
1493                 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1494
1495         return pdata;
1496 }
1497
1498
1499 /*
1500  * Codec driver functions
1501  */
1502
1503 static int da7219_set_bias_level(struct snd_soc_codec *codec,
1504                                  enum snd_soc_bias_level level)
1505 {
1506         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1507         int ret;
1508
1509         switch (level) {
1510         case SND_SOC_BIAS_ON:
1511         case SND_SOC_BIAS_PREPARE:
1512                 break;
1513         case SND_SOC_BIAS_STANDBY:
1514                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1515                         /* MCLK */
1516                         if (da7219->mclk) {
1517                                 ret = clk_prepare_enable(da7219->mclk);
1518                                 if (ret) {
1519                                         dev_err(codec->dev,
1520                                                 "Failed to enable mclk\n");
1521                                         return ret;
1522                                 }
1523                         }
1524
1525                         /* Master bias */
1526                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1527                                             DA7219_BIAS_EN_MASK,
1528                                             DA7219_BIAS_EN_MASK);
1529                 }
1530                 break;
1531         case SND_SOC_BIAS_OFF:
1532                 /* Only disable master bias if jack detection not active */
1533                 if (!da7219->aad->jack)
1534                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1535                                             DA7219_BIAS_EN_MASK, 0);
1536
1537                 /* MCLK */
1538                 if (da7219->mclk)
1539                         clk_disable_unprepare(da7219->mclk);
1540                 break;
1541         }
1542
1543         return 0;
1544 }
1545
1546 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1547         [DA7219_SUPPLY_VDD] = "VDD",
1548         [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1549         [DA7219_SUPPLY_VDDIO] = "VDDIO",
1550 };
1551
1552 static int da7219_handle_supplies(struct snd_soc_codec *codec)
1553 {
1554         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1555         struct regulator *vddio;
1556         u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1557         int i, ret;
1558
1559         /* Get required supplies */
1560         for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1561                 da7219->supplies[i].supply = da7219_supply_names[i];
1562
1563         ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES,
1564                                       da7219->supplies);
1565         if (ret) {
1566                 dev_err(codec->dev, "Failed to get supplies");
1567                 return ret;
1568         }
1569
1570         /* Determine VDDIO voltage provided */
1571         vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1572         ret = regulator_get_voltage(vddio);
1573         if (ret < 1200000)
1574                 dev_warn(codec->dev, "Invalid VDDIO voltage\n");
1575         else if (ret < 2800000)
1576                 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1577
1578         /* Enable main supplies */
1579         ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1580         if (ret) {
1581                 dev_err(codec->dev, "Failed to enable supplies");
1582                 return ret;
1583         }
1584
1585         /* Ensure device in active mode */
1586         snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1587
1588         /* Update IO voltage level range */
1589         snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl);
1590
1591         return 0;
1592 }
1593
1594 static void da7219_handle_pdata(struct snd_soc_codec *codec)
1595 {
1596         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1597         struct da7219_pdata *pdata = da7219->pdata;
1598
1599         if (pdata) {
1600                 u8 micbias_lvl = 0;
1601
1602                 /* Mic Bias voltages */
1603                 switch (pdata->micbias_lvl) {
1604                 case DA7219_MICBIAS_1_6V:
1605                 case DA7219_MICBIAS_1_8V:
1606                 case DA7219_MICBIAS_2_0V:
1607                 case DA7219_MICBIAS_2_2V:
1608                 case DA7219_MICBIAS_2_4V:
1609                 case DA7219_MICBIAS_2_6V:
1610                         micbias_lvl |= (pdata->micbias_lvl <<
1611                                         DA7219_MICBIAS1_LEVEL_SHIFT);
1612                         break;
1613                 }
1614
1615                 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl);
1616
1617                 /* Mic */
1618                 switch (pdata->mic_amp_in_sel) {
1619                 case DA7219_MIC_AMP_IN_SEL_DIFF:
1620                 case DA7219_MIC_AMP_IN_SEL_SE_P:
1621                 case DA7219_MIC_AMP_IN_SEL_SE_N:
1622                         snd_soc_write(codec, DA7219_MIC_1_SELECT,
1623                                       pdata->mic_amp_in_sel);
1624                         break;
1625                 }
1626         }
1627 }
1628
1629 static struct reg_sequence da7219_rev_aa_patch[] = {
1630         { DA7219_REFERENCES, 0x08 },
1631 };
1632
1633 static int da7219_probe(struct snd_soc_codec *codec)
1634 {
1635         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1636         unsigned int rev;
1637         int ret;
1638
1639         mutex_init(&da7219->lock);
1640
1641         /* Regulator configuration */
1642         ret = da7219_handle_supplies(codec);
1643         if (ret)
1644                 return ret;
1645
1646         ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1647         if (ret) {
1648                 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret);
1649                 goto err_disable_reg;
1650         }
1651
1652         switch (rev & DA7219_CHIP_MINOR_MASK) {
1653         case 0:
1654                 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1655                                             ARRAY_SIZE(da7219_rev_aa_patch));
1656                 if (ret) {
1657                         dev_err(codec->dev, "Failed to register AA patch: %d\n",
1658                                 ret);
1659                         goto err_disable_reg;
1660                 }
1661                 break;
1662         default:
1663                 break;
1664         }
1665
1666         /* Handle DT/ACPI/Platform data */
1667         da7219->pdata = dev_get_platdata(codec->dev);
1668         if (!da7219->pdata)
1669                 da7219->pdata = da7219_fw_to_pdata(codec);
1670
1671         da7219_handle_pdata(codec);
1672
1673         /* Check if MCLK provided */
1674         da7219->mclk = devm_clk_get(codec->dev, "mclk");
1675         if (IS_ERR(da7219->mclk)) {
1676                 if (PTR_ERR(da7219->mclk) != -ENOENT) {
1677                         ret = PTR_ERR(da7219->mclk);
1678                         goto err_disable_reg;
1679                 } else {
1680                         da7219->mclk = NULL;
1681                 }
1682         }
1683
1684         /* Default PC counter to free-running */
1685         snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1686                             DA7219_PC_FREERUN_MASK);
1687
1688         /* Default gain ramping */
1689         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
1690                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1691                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1692         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1693                             DA7219_ADC_L_RAMP_EN_MASK);
1694         snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1695                             DA7219_DAC_L_RAMP_EN_MASK);
1696         snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1697                             DA7219_DAC_R_RAMP_EN_MASK);
1698         snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
1699                             DA7219_HP_L_AMP_RAMP_EN_MASK,
1700                             DA7219_HP_L_AMP_RAMP_EN_MASK);
1701         snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
1702                             DA7219_HP_R_AMP_RAMP_EN_MASK,
1703                             DA7219_HP_R_AMP_RAMP_EN_MASK);
1704
1705         /* Default infinite tone gen, start/stop by Kcontrol */
1706         snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1707
1708         /* Initialise AAD block */
1709         ret = da7219_aad_init(codec);
1710         if (ret)
1711                 goto err_disable_reg;
1712
1713         return 0;
1714
1715 err_disable_reg:
1716         regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1717
1718         return ret;
1719 }
1720
1721 static int da7219_remove(struct snd_soc_codec *codec)
1722 {
1723         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1724
1725         da7219_aad_exit(codec);
1726
1727         /* Supplies */
1728         return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1729 }
1730
1731 #ifdef CONFIG_PM
1732 static int da7219_suspend(struct snd_soc_codec *codec)
1733 {
1734         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1735
1736         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
1737
1738         /* Put device into standby mode if jack detection disabled */
1739         if (!da7219->aad->jack)
1740                 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, 0);
1741
1742         return 0;
1743 }
1744
1745 static int da7219_resume(struct snd_soc_codec *codec)
1746 {
1747         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1748
1749         /* Put device into active mode if previously pushed to standby */
1750         if (!da7219->aad->jack)
1751                 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE,
1752                               DA7219_SYSTEM_ACTIVE_MASK);
1753
1754         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1755
1756         return 0;
1757 }
1758 #else
1759 #define da7219_suspend NULL
1760 #define da7219_resume NULL
1761 #endif
1762
1763 static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
1764         .probe                  = da7219_probe,
1765         .remove                 = da7219_remove,
1766         .suspend                = da7219_suspend,
1767         .resume                 = da7219_resume,
1768         .set_bias_level         = da7219_set_bias_level,
1769
1770         .component_driver = {
1771                 .controls               = da7219_snd_controls,
1772                 .num_controls           = ARRAY_SIZE(da7219_snd_controls),
1773                 .dapm_widgets           = da7219_dapm_widgets,
1774                 .num_dapm_widgets       = ARRAY_SIZE(da7219_dapm_widgets),
1775                 .dapm_routes            = da7219_audio_map,
1776                 .num_dapm_routes        = ARRAY_SIZE(da7219_audio_map),
1777         },
1778 };
1779
1780
1781 /*
1782  * Regmap configs
1783  */
1784
1785 static struct reg_default da7219_reg_defaults[] = {
1786         { DA7219_MIC_1_SELECT, 0x00 },
1787         { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
1788         { DA7219_SR_24_48, 0x00 },
1789         { DA7219_SR, 0x0A },
1790         { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
1791         { DA7219_PLL_CTRL, 0x10 },
1792         { DA7219_PLL_FRAC_TOP, 0x00 },
1793         { DA7219_PLL_FRAC_BOT, 0x00 },
1794         { DA7219_PLL_INTEGER, 0x20 },
1795         { DA7219_DIG_ROUTING_DAI, 0x10 },
1796         { DA7219_DAI_CLK_MODE, 0x01 },
1797         { DA7219_DAI_CTRL, 0x28 },
1798         { DA7219_DAI_TDM_CTRL, 0x40 },
1799         { DA7219_DIG_ROUTING_DAC, 0x32 },
1800         { DA7219_DAI_OFFSET_LOWER, 0x00 },
1801         { DA7219_DAI_OFFSET_UPPER, 0x00 },
1802         { DA7219_REFERENCES, 0x08 },
1803         { DA7219_MIXIN_L_SELECT, 0x00 },
1804         { DA7219_MIXIN_L_GAIN, 0x03 },
1805         { DA7219_ADC_L_GAIN, 0x6F },
1806         { DA7219_ADC_FILTERS1, 0x80 },
1807         { DA7219_MIC_1_GAIN, 0x01 },
1808         { DA7219_SIDETONE_CTRL, 0x40 },
1809         { DA7219_SIDETONE_GAIN, 0x0E },
1810         { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
1811         { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
1812         { DA7219_DAC_FILTERS5, 0x00 },
1813         { DA7219_DAC_FILTERS2, 0x88 },
1814         { DA7219_DAC_FILTERS3, 0x88 },
1815         { DA7219_DAC_FILTERS4, 0x08 },
1816         { DA7219_DAC_FILTERS1, 0x80 },
1817         { DA7219_DAC_L_GAIN, 0x6F },
1818         { DA7219_DAC_R_GAIN, 0x6F },
1819         { DA7219_CP_CTRL, 0x20 },
1820         { DA7219_HP_L_GAIN, 0x39 },
1821         { DA7219_HP_R_GAIN, 0x39 },
1822         { DA7219_MIXOUT_L_SELECT, 0x00 },
1823         { DA7219_MIXOUT_R_SELECT, 0x00 },
1824         { DA7219_MICBIAS_CTRL, 0x03 },
1825         { DA7219_MIC_1_CTRL, 0x40 },
1826         { DA7219_MIXIN_L_CTRL, 0x40 },
1827         { DA7219_ADC_L_CTRL, 0x40 },
1828         { DA7219_DAC_L_CTRL, 0x40 },
1829         { DA7219_DAC_R_CTRL, 0x40 },
1830         { DA7219_HP_L_CTRL, 0x40 },
1831         { DA7219_HP_R_CTRL, 0x40 },
1832         { DA7219_MIXOUT_L_CTRL, 0x10 },
1833         { DA7219_MIXOUT_R_CTRL, 0x10 },
1834         { DA7219_CHIP_ID1, 0x23 },
1835         { DA7219_CHIP_ID2, 0x93 },
1836         { DA7219_IO_CTRL, 0x00 },
1837         { DA7219_GAIN_RAMP_CTRL, 0x00 },
1838         { DA7219_PC_COUNT, 0x02 },
1839         { DA7219_CP_VOL_THRESHOLD1, 0x0E },
1840         { DA7219_DIG_CTRL, 0x00 },
1841         { DA7219_ALC_CTRL2, 0x00 },
1842         { DA7219_ALC_CTRL3, 0x00 },
1843         { DA7219_ALC_NOISE, 0x3F },
1844         { DA7219_ALC_TARGET_MIN, 0x3F },
1845         { DA7219_ALC_TARGET_MAX, 0x00 },
1846         { DA7219_ALC_GAIN_LIMITS, 0xFF },
1847         { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
1848         { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
1849         { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
1850         { DA7219_DAC_NG_SETUP_TIME, 0x00 },
1851         { DA7219_DAC_NG_OFF_THRESH, 0x00 },
1852         { DA7219_DAC_NG_ON_THRESH, 0x00 },
1853         { DA7219_DAC_NG_CTRL, 0x00 },
1854         { DA7219_TONE_GEN_CFG1, 0x00 },
1855         { DA7219_TONE_GEN_CFG2, 0x00 },
1856         { DA7219_TONE_GEN_CYCLES, 0x00 },
1857         { DA7219_TONE_GEN_FREQ1_L, 0x55 },
1858         { DA7219_TONE_GEN_FREQ1_U, 0x15 },
1859         { DA7219_TONE_GEN_FREQ2_L, 0x00 },
1860         { DA7219_TONE_GEN_FREQ2_U, 0x40 },
1861         { DA7219_TONE_GEN_ON_PER, 0x02 },
1862         { DA7219_TONE_GEN_OFF_PER, 0x01 },
1863         { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
1864         { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
1865         { DA7219_ACCDET_CONFIG_1, 0xD6 },
1866         { DA7219_ACCDET_CONFIG_2, 0x34 },
1867         { DA7219_ACCDET_CONFIG_3, 0x0A },
1868         { DA7219_ACCDET_CONFIG_4, 0x16 },
1869         { DA7219_ACCDET_CONFIG_5, 0x21 },
1870         { DA7219_ACCDET_CONFIG_6, 0x3E },
1871         { DA7219_ACCDET_CONFIG_7, 0x01 },
1872         { DA7219_SYSTEM_ACTIVE, 0x00 },
1873 };
1874
1875 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
1876 {
1877         switch (reg) {
1878         case DA7219_MIC_1_GAIN_STATUS:
1879         case DA7219_MIXIN_L_GAIN_STATUS:
1880         case DA7219_ADC_L_GAIN_STATUS:
1881         case DA7219_DAC_L_GAIN_STATUS:
1882         case DA7219_DAC_R_GAIN_STATUS:
1883         case DA7219_HP_L_GAIN_STATUS:
1884         case DA7219_HP_R_GAIN_STATUS:
1885         case DA7219_CIF_CTRL:
1886         case DA7219_PLL_SRM_STS:
1887         case DA7219_ALC_CTRL1:
1888         case DA7219_SYSTEM_MODES_INPUT:
1889         case DA7219_SYSTEM_MODES_OUTPUT:
1890         case DA7219_ALC_OFFSET_AUTO_M_L:
1891         case DA7219_ALC_OFFSET_AUTO_U_L:
1892         case DA7219_TONE_GEN_CFG1:
1893         case DA7219_ACCDET_STATUS_A:
1894         case DA7219_ACCDET_STATUS_B:
1895         case DA7219_ACCDET_IRQ_EVENT_A:
1896         case DA7219_ACCDET_IRQ_EVENT_B:
1897         case DA7219_ACCDET_CONFIG_8:
1898         case DA7219_SYSTEM_STATUS:
1899                 return 1;
1900         default:
1901                 return 0;
1902         }
1903 }
1904
1905 static const struct regmap_config da7219_regmap_config = {
1906         .reg_bits = 8,
1907         .val_bits = 8,
1908
1909         .max_register = DA7219_SYSTEM_ACTIVE,
1910         .reg_defaults = da7219_reg_defaults,
1911         .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
1912         .volatile_reg = da7219_volatile_register,
1913         .cache_type = REGCACHE_RBTREE,
1914 };
1915
1916
1917 /*
1918  * I2C layer
1919  */
1920
1921 static int da7219_i2c_probe(struct i2c_client *i2c,
1922                             const struct i2c_device_id *id)
1923 {
1924         struct da7219_priv *da7219;
1925         int ret;
1926
1927         da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
1928                               GFP_KERNEL);
1929         if (!da7219)
1930                 return -ENOMEM;
1931
1932         i2c_set_clientdata(i2c, da7219);
1933
1934         da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
1935         if (IS_ERR(da7219->regmap)) {
1936                 ret = PTR_ERR(da7219->regmap);
1937                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1938                 return ret;
1939         }
1940
1941         /* Software reset codec. */
1942         regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
1943                           DA7219_ACCDET_EN_MASK, 0);
1944         regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
1945                           DA7219_CIF_REG_SOFT_RESET_MASK, 0);
1946         regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
1947                           DA7219_SYSTEM_ACTIVE_MASK, 0);
1948
1949         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219,
1950                                      &da7219_dai, 1);
1951         if (ret < 0) {
1952                 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n",
1953                         ret);
1954         }
1955         return ret;
1956 }
1957
1958 static int da7219_i2c_remove(struct i2c_client *client)
1959 {
1960         snd_soc_unregister_codec(&client->dev);
1961         return 0;
1962 }
1963
1964 static const struct i2c_device_id da7219_i2c_id[] = {
1965         { "da7219", },
1966         { }
1967 };
1968 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
1969
1970 static struct i2c_driver da7219_i2c_driver = {
1971         .driver = {
1972                 .name = "da7219",
1973                 .of_match_table = of_match_ptr(da7219_of_match),
1974                 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
1975         },
1976         .probe          = da7219_i2c_probe,
1977         .remove         = da7219_i2c_remove,
1978         .id_table       = da7219_i2c_id,
1979 };
1980
1981 module_i2c_driver(da7219_i2c_driver);
1982
1983 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
1984 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1985 MODULE_LICENSE("GPL");