sound/soc/codecs/da7219.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * da7219.c - DA7219 ALSA SoC Codec Driver
   4  *
   5  * Copyright (c) 2015 Dialog Semiconductor
   6  *
   7  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
   8  */
   9
  10 #include <linux/acpi.h>
  11 #include <linux/clk.h>
  12 #include <linux/clkdev.h>
  13 #include <linux/clk-provider.h>
  14 #include <linux/i2c.h>
  15 #include <linux/of_device.h>
  16 #include <linux/property.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_component *component = snd_soc_kcontrol_component(kcontrol);
 258         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 259         int ret;
 260
 261         mutex_lock(&da7219->ctrl_lock);
 262         ret = snd_soc_get_volsw(kcontrol, ucontrol);
 263         mutex_unlock(&da7219->ctrl_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_component *component = snd_soc_kcontrol_component(kcontrol);
 272         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 273         int ret;
 274
 275         mutex_lock(&da7219->ctrl_lock);
 276         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 277         mutex_unlock(&da7219->ctrl_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_component *component = snd_soc_kcontrol_component(kcontrol);
 286         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 287         int ret;
 288
 289         mutex_lock(&da7219->ctrl_lock);
 290         ret = snd_soc_get_enum_double(kcontrol, ucontrol);
 291         mutex_unlock(&da7219->ctrl_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_component *component = snd_soc_kcontrol_component(kcontrol);
 300         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 301         int ret;
 302
 303         mutex_lock(&da7219->ctrl_lock);
 304         ret = snd_soc_put_enum_double(kcontrol, ucontrol);
 305         mutex_unlock(&da7219->ctrl_lock);
 306
 307         return ret;
 308 }
 309
 310 /* ALC */
 311 static void da7219_alc_calib(struct snd_soc_component *component)
 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_component_read32(component, DA7219_MIC_1_CTRL);
 317
 318         /* Save current state of input mixer control register */
 319         mixin_ctrl = snd_soc_component_read32(component, DA7219_MIXIN_L_CTRL);
 320
 321         /* Save current state of input ADC control register */
 322         adc_ctrl = snd_soc_component_read32(component, DA7219_ADC_L_CTRL);
 323
 324         /* Enable then Mute MIC PGAs */
 325         snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
 326                             DA7219_MIC_1_AMP_EN_MASK);
 327         snd_soc_component_update_bits(component, 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_component_update_bits(component, 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_component_update_bits(component, 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_component_update_bits(component, DA7219_ALC_CTRL1,
 344                             DA7219_ALC_AUTO_CALIB_EN_MASK,
 345                             DA7219_ALC_AUTO_CALIB_EN_MASK);
 346         do {
 347                 calib_ctrl = snd_soc_component_read32(component, 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(component->dev,
 353                          "ALC auto calibration failed with overflow\n");
 354                 snd_soc_component_update_bits(component, 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_component_update_bits(component, 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_component_write(component, DA7219_ADC_L_CTRL, adc_ctrl);
 368
 369         /* Restore input mixer control registers to original state */
 370         snd_soc_component_write(component, DA7219_MIXIN_L_CTRL, mixin_ctrl);
 371
 372         /* Restore MIC control registers to original states */
 373         snd_soc_component_write(component, 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_component *component = snd_soc_kcontrol_component(kcontrol);
 380         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 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(component);
 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_component *component = snd_soc_kcontrol_component(kcontrol);
 399         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 400
 401
 402         /* Force ALC offset calibration if enabling ALC */
 403         if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
 404                 da7219_alc_calib(component);
 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_component *component = snd_soc_kcontrol_component(kcontrol);
 418         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 419         struct soc_mixer_control *mixer_ctrl =
 420                 (struct soc_mixer_control *) kcontrol->private_value;
 421         unsigned int reg = mixer_ctrl->reg;
 422         __le16 val;
 423         int ret;
 424
 425         mutex_lock(&da7219->ctrl_lock);
 426         ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
 427         mutex_unlock(&da7219->ctrl_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_component *component = snd_soc_kcontrol_component(kcontrol);
 445         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 446         struct soc_mixer_control *mixer_ctrl =
 447                 (struct soc_mixer_control *) kcontrol->private_value;
 448         unsigned int reg = mixer_ctrl->reg;
 449         __le16 val_new, val_old;
 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_new = cpu_to_le16(ucontrol->value.integer.value[0]);
 458
 459         mutex_lock(&da7219->ctrl_lock);
 460         ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old));
 461         if (ret == 0 && (val_old != val_new))
 462                 ret = regmap_raw_write(da7219->regmap, reg,
 463                                 &val_new, sizeof(val_new));
 464         mutex_unlock(&da7219->ctrl_lock);
 465
 466         if (ret < 0)
 467                 return ret;
 468
 469         return val_old != val_new;
 470 }
 471
 472
 473 /*
 474  * KControls
 475  */
 476
 477 static const struct snd_kcontrol_new da7219_snd_controls[] = {
 478         /* Mics */
 479         SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
 480                        DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
 481                        DA7219_NO_INVERT, da7219_mic_gain_tlv),
 482         SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
 483                    DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 484                    DA7219_INVERT),
 485
 486         /* Mixer Input */
 487         SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
 488                            DA7219_MIXIN_L_AMP_GAIN_SHIFT,
 489                            DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
 490                            snd_soc_get_volsw, da7219_mixin_gain_put,
 491                            da7219_mixin_gain_tlv),
 492         SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
 493                    DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 494                    DA7219_INVERT),
 495         SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
 496                    DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 497                    DA7219_NO_INVERT),
 498         SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
 499                    DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 500                    DA7219_NO_INVERT),
 501
 502         /* ADC */
 503         SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
 504                        DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
 505                        DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 506                        da7219_adc_dig_gain_tlv),
 507         SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
 508                    DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 509                    DA7219_INVERT),
 510         SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
 511                    DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 512                    DA7219_NO_INVERT),
 513
 514         /* ALC */
 515         SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
 516         SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
 517         SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
 518         SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
 519         SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
 520         SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
 521                        DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 522                        DA7219_INVERT, da7219_alc_threshold_tlv),
 523         SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
 524                        DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 525                        DA7219_INVERT, da7219_alc_threshold_tlv),
 526         SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
 527                        DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 528                        DA7219_INVERT, da7219_alc_threshold_tlv),
 529         SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
 530                        DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 531                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 532         SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
 533                        DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 534                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 535         SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 536                              DA7219_ALC_ANA_GAIN_MIN_SHIFT,
 537                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 538                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 539         SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 540                              DA7219_ALC_ANA_GAIN_MAX_SHIFT,
 541                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 542                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 543         SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
 544         SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
 545                    DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 546                    DA7219_NO_INVERT),
 547         SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
 548                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
 549                        snd_soc_get_volsw, da7219_alc_sw_put),
 550
 551         /* Input High-Pass Filters */
 552         SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
 553         SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
 554         SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
 555
 556         /* Sidetone Filter */
 557         SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
 558                        DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
 559                        DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
 560         SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
 561                    DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 562                    DA7219_INVERT),
 563
 564         /* Tone Generator */
 565         SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
 566                            DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
 567                            DA7219_NO_INVERT, da7219_volsw_locked_get,
 568                            da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
 569         SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
 570                      da7219_enum_locked_get, da7219_enum_locked_put),
 571         SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
 572                        DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 573                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 574                        da7219_volsw_locked_put),
 575         SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
 576                      da7219_enum_locked_get, da7219_enum_locked_put),
 577         SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
 578                        DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 579                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 580         SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
 581                        DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 582                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 583         SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
 584                        DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 585                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 586                        da7219_volsw_locked_put),
 587         SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
 588                    DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 589                    DA7219_NO_INVERT),
 590
 591         /* Gain ramping */
 592         SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
 593
 594         /* DAC High-Pass Filter */
 595         SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
 596                      da7219_enum_locked_get, da7219_enum_locked_put),
 597         SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
 598         SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
 599
 600         /* DAC 5-Band Equaliser */
 601         SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
 602                        DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 603                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 604         SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
 605                        DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 606                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 607         SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
 608                        DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 609                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 610         SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
 611                        DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 612                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 613         SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
 614                        DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 615                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 616         SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
 617                        DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 618                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 619                        da7219_volsw_locked_put),
 620
 621         /* DAC Softmute */
 622         SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
 623         SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
 624                        DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 625                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 626                        da7219_volsw_locked_put),
 627
 628         /* DAC Noise Gate */
 629         SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
 630         SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
 631         SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
 632         SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
 633                        DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
 634                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 635                        da7219_dac_ng_threshold_tlv),
 636         SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
 637                        DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
 638                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 639                        da7219_dac_ng_threshold_tlv),
 640         SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
 641                    DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 642
 643         /* DACs */
 644         SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
 645                              DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
 646                              DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 647                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 648                              da7219_dac_dig_gain_tlv),
 649         SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
 650                          DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
 651                          DA7219_SWITCH_EN_MAX, DA7219_INVERT,
 652                          da7219_volsw_locked_get, da7219_volsw_locked_put),
 653         SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
 654                      DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
 655                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 656
 657         /* CP */
 658         SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
 659         SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
 660                    DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
 661                    DA7219_NO_INVERT),
 662
 663         /* Headphones */
 664         SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
 665                              DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
 666                              DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
 667                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 668                              da7219_hp_gain_tlv),
 669         SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
 670                          DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 671                          DA7219_INVERT, da7219_volsw_locked_get,
 672                          da7219_volsw_locked_put),
 673         SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
 674                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
 675                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 676         SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
 677                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
 678                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 679 };
 680
 681
 682 /*
 683  * DAPM Mux Controls
 684  */
 685
 686 static const char * const da7219_out_sel_txt[] = {
 687         "ADC", "Tone Generator", "DAIL", "DAIR"
 688 };
 689
 690 static const struct soc_enum da7219_out_dail_sel =
 691         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 692                         DA7219_DAI_L_SRC_SHIFT,
 693                         DA7219_OUT_SRC_MAX,
 694                         da7219_out_sel_txt);
 695
 696 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
 697         SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
 698
 699 static const struct soc_enum da7219_out_dair_sel =
 700         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 701                         DA7219_DAI_R_SRC_SHIFT,
 702                         DA7219_OUT_SRC_MAX,
 703                         da7219_out_sel_txt);
 704
 705 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
 706         SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
 707
 708 static const struct soc_enum da7219_out_dacl_sel =
 709         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 710                         DA7219_DAC_L_SRC_SHIFT,
 711                         DA7219_OUT_SRC_MAX,
 712                         da7219_out_sel_txt);
 713
 714 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
 715         SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
 716
 717 static const struct soc_enum da7219_out_dacr_sel =
 718         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 719                         DA7219_DAC_R_SRC_SHIFT,
 720                         DA7219_OUT_SRC_MAX,
 721                         da7219_out_sel_txt);
 722
 723 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
 724         SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
 725
 726
 727 /*
 728  * DAPM Mixer Controls
 729  */
 730
 731 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
 732         SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
 733                         DA7219_MIXIN_L_MIX_SELECT_SHIFT,
 734                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 735 };
 736
 737 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
 738         SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
 739                         DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
 740                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 741 };
 742
 743 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
 744         SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
 745                         DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
 746                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 747 };
 748
 749 #define DA7219_DMIX_ST_CTRLS(reg)                                       \
 750         SOC_DAPM_SINGLE("Out FilterL Switch", reg,                      \
 751                         DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,             \
 752                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 753         SOC_DAPM_SINGLE("Out FilterR Switch", reg,                      \
 754                         DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,             \
 755                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 756         SOC_DAPM_SINGLE("Sidetone Switch", reg,                         \
 757                         DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,              \
 758                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)         \
 759
 760 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
 761         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
 762 };
 763
 764 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
 765         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
 766 };
 767
 768
 769 /*
 770  * DAPM Events
 771  */
 772
 773 static int da7219_mic_pga_event(struct snd_soc_dapm_widget *w,
 774                                 struct snd_kcontrol *kcontrol, int event)
 775 {
 776         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 777         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 778
 779         switch (event) {
 780         case SND_SOC_DAPM_POST_PMU:
 781                 if (da7219->micbias_on_event) {
 782                         /*
 783                          * Delay only for first capture after bias enabled to
 784                          * avoid possible DC offset related noise.
 785                          */
 786                         da7219->micbias_on_event = false;
 787                         msleep(da7219->mic_pga_delay);
 788                 }
 789                 break;
 790         default:
 791                 break;
 792         }
 793
 794         return 0;
 795 }
 796
 797 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
 798                             struct snd_kcontrol *kcontrol, int event)
 799 {
 800         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 801         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 802         struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
 803         u8 pll_ctrl, pll_status;
 804         int i = 0, ret;
 805         bool srm_lock = false;
 806
 807         switch (event) {
 808         case SND_SOC_DAPM_PRE_PMU:
 809                 if (da7219->master) {
 810                         /* Enable DAI clks for master mode */
 811                         if (bclk) {
 812                                 ret = clk_prepare_enable(bclk);
 813                                 if (ret) {
 814                                         dev_err(component->dev,
 815                                                 "Failed to enable DAI clks\n");
 816                                         return ret;
 817                                 }
 818                         } else {
 819                                 snd_soc_component_update_bits(component,
 820                                                               DA7219_DAI_CLK_MODE,
 821                                                               DA7219_DAI_CLK_EN_MASK,
 822                                                               DA7219_DAI_CLK_EN_MASK);
 823                         }
 824                 }
 825
 826                 /* PC synchronised to DAI */
 827                 snd_soc_component_update_bits(component, DA7219_PC_COUNT,
 828                                     DA7219_PC_FREERUN_MASK, 0);
 829
 830                 /* Slave mode, if SRM not enabled no need for status checks */
 831                 pll_ctrl = snd_soc_component_read32(component, DA7219_PLL_CTRL);
 832                 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
 833                         return 0;
 834
 835                 /* Check SRM has locked */
 836                 do {
 837                         pll_status = snd_soc_component_read32(component, DA7219_PLL_SRM_STS);
 838                         if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
 839                                 srm_lock = true;
 840                         } else {
 841                                 ++i;
 842                                 msleep(50);
 843                         }
 844                 } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
 845
 846                 if (!srm_lock)
 847                         dev_warn(component->dev, "SRM failed to lock\n");
 848
 849                 return 0;
 850         case SND_SOC_DAPM_POST_PMD:
 851                 /* PC free-running */
 852                 snd_soc_component_update_bits(component, DA7219_PC_COUNT,
 853                                     DA7219_PC_FREERUN_MASK,
 854                                     DA7219_PC_FREERUN_MASK);
 855
 856                 /* Disable DAI clks if in master mode */
 857                 if (da7219->master) {
 858                         if (bclk)
 859                                 clk_disable_unprepare(bclk);
 860                         else
 861                                 snd_soc_component_update_bits(component,
 862                                                               DA7219_DAI_CLK_MODE,
 863                                                               DA7219_DAI_CLK_EN_MASK,
 864                                                               0);
 865                 }
 866
 867                 return 0;
 868         default:
 869                 return -EINVAL;
 870         }
 871 }
 872
 873 static int da7219_settling_event(struct snd_soc_dapm_widget *w,
 874                                  struct snd_kcontrol *kcontrol, int event)
 875 {
 876         switch (event) {
 877         case SND_SOC_DAPM_POST_PMU:
 878         case SND_SOC_DAPM_POST_PMD:
 879                 msleep(DA7219_SETTLING_DELAY);
 880                 break;
 881         default:
 882                 break;
 883         }
 884
 885         return 0;
 886 }
 887
 888 static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
 889                                struct snd_kcontrol *kcontrol, int event)
 890 {
 891         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 892         u8 hp_ctrl, min_gain_mask;
 893
 894         switch (w->reg) {
 895         case DA7219_MIXOUT_L_CTRL:
 896                 hp_ctrl = DA7219_HP_L_CTRL;
 897                 min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
 898                 break;
 899         case DA7219_MIXOUT_R_CTRL:
 900                 hp_ctrl = DA7219_HP_R_CTRL;
 901                 min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
 902                 break;
 903         default:
 904                 return -EINVAL;
 905         }
 906
 907         switch (event) {
 908         case SND_SOC_DAPM_PRE_PMD:
 909                 /* Enable minimum gain on HP to avoid pops */
 910                 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask,
 911                                     min_gain_mask);
 912
 913                 msleep(DA7219_MIN_GAIN_DELAY);
 914
 915                 break;
 916         case SND_SOC_DAPM_POST_PMU:
 917                 /* Remove minimum gain on HP */
 918                 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0);
 919
 920                 break;
 921         }
 922
 923         return 0;
 924 }
 925
 926 static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
 927                                   struct snd_kcontrol *kcontrol, int event)
 928 {
 929         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 930         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 931
 932         switch (event) {
 933         case SND_SOC_DAPM_PRE_PMU:
 934         case SND_SOC_DAPM_PRE_PMD:
 935                 /* Ensure nominal gain ramping for DAPM sequence */
 936                 da7219->gain_ramp_ctrl =
 937                         snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL);
 938                 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
 939                               DA7219_GAIN_RAMP_RATE_NOMINAL);
 940                 break;
 941         case SND_SOC_DAPM_POST_PMU:
 942         case SND_SOC_DAPM_POST_PMD:
 943                 /* Restore previous gain ramp settings */
 944                 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
 945                               da7219->gain_ramp_ctrl);
 946                 break;
 947         }
 948
 949         return 0;
 950 }
 951
 952
 953 /*
 954  * DAPM Widgets
 955  */
 956
 957 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
 958         /* Input Supplies */
 959         SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
 960                             DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
 961                             NULL, 0),
 962
 963         /* Inputs */
 964         SND_SOC_DAPM_INPUT("MIC"),
 965
 966         /* Input PGAs */
 967         SND_SOC_DAPM_PGA_E("Mic PGA", DA7219_MIC_1_CTRL,
 968                            DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
 969                            NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU),
 970         SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL,
 971                            DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 972                            NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU),
 973
 974         /* Input Filters */
 975         SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
 976                          DA7219_NO_INVERT),
 977
 978         /* Tone Generator */
 979         SND_SOC_DAPM_SIGGEN("TONE"),
 980         SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
 981                          DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 982
 983         /* Sidetone Input */
 984         SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
 985                          DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
 986
 987         /* Input Mixer Supply */
 988         SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
 989                             DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
 990                             NULL, 0),
 991
 992         /* Input Mixer */
 993         SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
 994                            da7219_mixin_controls,
 995                            ARRAY_SIZE(da7219_mixin_controls)),
 996
 997         /* Input Muxes */
 998         SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
 999                          &da7219_out_dail_sel_mux),
1000         SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
1001                          &da7219_out_dair_sel_mux),
1002
1003         /* DAI Supply */
1004         SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
1005                             DA7219_NO_INVERT, da7219_dai_event,
1006                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1007
1008         /* DAI */
1009         SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
1010                              DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
1011         SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
1012
1013         /* Output Muxes */
1014         SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
1015                          &da7219_out_dacl_sel_mux),
1016         SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
1017                          &da7219_out_dacr_sel_mux),
1018
1019         /* Output Mixers */
1020         SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1021                            da7219_mixout_l_controls,
1022                            ARRAY_SIZE(da7219_mixout_l_controls)),
1023         SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
1024                            da7219_mixout_r_controls,
1025                            ARRAY_SIZE(da7219_mixout_r_controls)),
1026
1027         /* Sidetone Mixers */
1028         SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1029                            da7219_st_out_filtl_mix_controls,
1030                            ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
1031         SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
1032                            0, da7219_st_out_filtr_mix_controls,
1033                            ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
1034
1035         /* DACs */
1036         SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
1037                            DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
1038                            da7219_settling_event,
1039                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1040         SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
1041                            DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
1042                            da7219_settling_event,
1043                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1044
1045         /* Output PGAs */
1046         SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
1047                            DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1048                            NULL, 0, da7219_mixout_event,
1049                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1050         SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
1051                            DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1052                            NULL, 0, da7219_mixout_event,
1053                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1054         SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
1055                               DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1056                               da7219_settling_event,
1057                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1058         SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
1059                               DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1060                               da7219_settling_event,
1061                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1062
1063         /* Output Supplies */
1064         SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
1065                               DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
1066                               da7219_settling_event,
1067                               SND_SOC_DAPM_POST_PMU),
1068
1069         /* Outputs */
1070         SND_SOC_DAPM_OUTPUT("HPL"),
1071         SND_SOC_DAPM_OUTPUT("HPR"),
1072
1073         /* Pre/Post Power */
1074         SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
1075         SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
1076 };
1077
1078
1079 /*
1080  * DAPM Mux Routes
1081  */
1082
1083 #define DA7219_OUT_DAI_MUX_ROUTES(name)                 \
1084         {name, "ADC", "Mixer In"},                      \
1085         {name, "Tone Generator", "Tone Generator"},     \
1086         {name, "DAIL", "DAIOUT"},                       \
1087         {name, "DAIR", "DAIOUT"}
1088
1089 #define DA7219_OUT_DAC_MUX_ROUTES(name)                 \
1090         {name, "ADC", "Mixer In"},                      \
1091         {name, "Tone Generator", "Tone Generator"},             \
1092         {name, "DAIL", "DAIIN"},                        \
1093         {name, "DAIR", "DAIIN"}
1094
1095 /*
1096  * DAPM Mixer Routes
1097  */
1098
1099 #define DA7219_DMIX_ST_ROUTES(name)                             \
1100         {name, "Out FilterL Switch", "Mixer Out FilterL"},      \
1101         {name, "Out FilterR Switch", "Mixer Out FilterR"},      \
1102         {name, "Sidetone Switch", "Sidetone Filter"}
1103
1104
1105 /*
1106  * DAPM audio route definition
1107  */
1108
1109 static const struct snd_soc_dapm_route da7219_audio_map[] = {
1110         /* Input paths */
1111         {"MIC", NULL, "Mic Bias"},
1112         {"Mic PGA", NULL, "MIC"},
1113         {"Mixin PGA", NULL, "Mic PGA"},
1114         {"ADC", NULL, "Mixin PGA"},
1115
1116         {"Mixer In", NULL, "Mixer In Supply"},
1117         {"Mixer In", "Mic Switch", "ADC"},
1118
1119         {"Sidetone Filter", NULL, "Mixer In"},
1120
1121         {"Tone Generator", NULL, "TONE"},
1122
1123         DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
1124         DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
1125
1126         {"DAIOUT", NULL, "Out DAIL Mux"},
1127         {"DAIOUT", NULL, "Out DAIR Mux"},
1128         {"DAIOUT", NULL, "DAI"},
1129
1130         /* Output paths */
1131         {"DAIIN", NULL, "DAI"},
1132
1133         DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
1134         DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
1135
1136         {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
1137         {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
1138
1139         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
1140         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
1141
1142         {"DACL", NULL, "ST Mixer Out FilterL"},
1143         {"DACR", NULL, "ST Mixer Out FilterR"},
1144
1145         {"Mixout Left PGA", NULL, "DACL"},
1146         {"Mixout Right PGA", NULL, "DACR"},
1147
1148         {"HPL", NULL, "Mixout Left PGA"},
1149         {"HPR", NULL, "Mixout Right PGA"},
1150
1151         {"HPL", NULL, "Headphone Left PGA"},
1152         {"HPR", NULL, "Headphone Right PGA"},
1153
1154         {"HPL", NULL, "Charge Pump"},
1155         {"HPR", NULL, "Charge Pump"},
1156 };
1157
1158
1159 /*
1160  * DAI operations
1161  */
1162
1163 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1164                                  int clk_id, unsigned int freq, int dir)
1165 {
1166         struct snd_soc_component *component = codec_dai->component;
1167         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1168         int ret = 0;
1169
1170         if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1171                 return 0;
1172
1173         if ((freq < 2000000) || (freq > 54000000)) {
1174                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1175                         freq);
1176                 return -EINVAL;
1177         }
1178
1179         mutex_lock(&da7219->pll_lock);
1180
1181         switch (clk_id) {
1182         case DA7219_CLKSRC_MCLK_SQR:
1183                 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1184                                     DA7219_PLL_MCLK_SQR_EN_MASK,
1185                                     DA7219_PLL_MCLK_SQR_EN_MASK);
1186                 break;
1187         case DA7219_CLKSRC_MCLK:
1188                 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1189                                     DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1190                 break;
1191         default:
1192                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1193                 mutex_unlock(&da7219->pll_lock);
1194                 return -EINVAL;
1195         }
1196
1197         da7219->clk_src = clk_id;
1198
1199         if (da7219->mclk) {
1200                 freq = clk_round_rate(da7219->mclk, freq);
1201                 ret = clk_set_rate(da7219->mclk, freq);
1202                 if (ret) {
1203                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1204                                 freq);
1205                         mutex_unlock(&da7219->pll_lock);
1206                         return ret;
1207                 }
1208         }
1209
1210         da7219->mclk_rate = freq;
1211
1212         mutex_unlock(&da7219->pll_lock);
1213
1214         return 0;
1215 }
1216
1217 int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout)
1218 {
1219         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1220
1221         u8 pll_ctrl, indiv_bits, indiv;
1222         u8 pll_frac_top, pll_frac_bot, pll_integer;
1223         u32 freq_ref;
1224         u64 frac_div;
1225
1226         /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1227         if (da7219->mclk_rate < 2000000) {
1228                 dev_err(component->dev, "PLL input clock %d below valid range\n",
1229                         da7219->mclk_rate);
1230                 return -EINVAL;
1231         } else if (da7219->mclk_rate <= 4500000) {
1232                 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1233                 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1234         } else if (da7219->mclk_rate <= 9000000) {
1235                 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1236                 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1237         } else if (da7219->mclk_rate <= 18000000) {
1238                 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1239                 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1240         } else if (da7219->mclk_rate <= 36000000) {
1241                 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1242                 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1243         } else if (da7219->mclk_rate <= 54000000) {
1244                 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1245                 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1246         } else {
1247                 dev_err(component->dev, "PLL input clock %d above valid range\n",
1248                         da7219->mclk_rate);
1249                 return -EINVAL;
1250         }
1251         freq_ref = (da7219->mclk_rate / indiv);
1252         pll_ctrl = indiv_bits;
1253
1254         /* Configure PLL */
1255         switch (source) {
1256         case DA7219_SYSCLK_MCLK:
1257                 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1258                 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1259                                     DA7219_PLL_INDIV_MASK |
1260                                     DA7219_PLL_MODE_MASK, pll_ctrl);
1261                 return 0;
1262         case DA7219_SYSCLK_PLL:
1263                 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1264                 break;
1265         case DA7219_SYSCLK_PLL_SRM:
1266                 pll_ctrl |= DA7219_PLL_MODE_SRM;
1267                 break;
1268         default:
1269                 dev_err(component->dev, "Invalid PLL config\n");
1270                 return -EINVAL;
1271         }
1272
1273         /* Calculate dividers for PLL */
1274         pll_integer = fout / freq_ref;
1275         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1276         do_div(frac_div, freq_ref);
1277         pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1278         pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1279
1280         /* Write PLL config & dividers */
1281         snd_soc_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top);
1282         snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1283         snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer);
1284         snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1285                             DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1286                             pll_ctrl);
1287
1288         return 0;
1289 }
1290
1291 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1292                               int source, unsigned int fref, unsigned int fout)
1293 {
1294         struct snd_soc_component *component = codec_dai->component;
1295         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1296         int ret;
1297
1298         mutex_lock(&da7219->pll_lock);
1299         ret = da7219_set_pll(component, source, fout);
1300         mutex_unlock(&da7219->pll_lock);
1301
1302         return ret;
1303 }
1304
1305 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1306 {
1307         struct snd_soc_component *component = codec_dai->component;
1308         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1309         u8 dai_clk_mode = 0, dai_ctrl = 0;
1310
1311         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1312         case SND_SOC_DAIFMT_CBM_CFM:
1313                 da7219->master = true;
1314                 break;
1315         case SND_SOC_DAIFMT_CBS_CFS:
1316                 da7219->master = false;
1317                 break;
1318         default:
1319                 return -EINVAL;
1320         }
1321
1322         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1323         case SND_SOC_DAIFMT_I2S:
1324         case SND_SOC_DAIFMT_LEFT_J:
1325         case SND_SOC_DAIFMT_RIGHT_J:
1326                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1327                 case SND_SOC_DAIFMT_NB_NF:
1328                         break;
1329                 case SND_SOC_DAIFMT_NB_IF:
1330                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1331                         break;
1332                 case SND_SOC_DAIFMT_IB_NF:
1333                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1334                         break;
1335                 case SND_SOC_DAIFMT_IB_IF:
1336                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1337                                         DA7219_DAI_CLK_POL_INV;
1338                         break;
1339                 default:
1340                         return -EINVAL;
1341                 }
1342                 break;
1343         case SND_SOC_DAIFMT_DSP_B:
1344                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1345                 case SND_SOC_DAIFMT_NB_NF:
1346                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1347                         break;
1348                 case SND_SOC_DAIFMT_NB_IF:
1349                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1350                                         DA7219_DAI_CLK_POL_INV;
1351                         break;
1352                 case SND_SOC_DAIFMT_IB_NF:
1353                         break;
1354                 case SND_SOC_DAIFMT_IB_IF:
1355                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1356                         break;
1357                 default:
1358                         return -EINVAL;
1359                 }
1360                 break;
1361         default:
1362                 return -EINVAL;
1363         }
1364
1365         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1366         case SND_SOC_DAIFMT_I2S:
1367                 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1368                 break;
1369         case SND_SOC_DAIFMT_LEFT_J:
1370                 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1371                 break;
1372         case SND_SOC_DAIFMT_RIGHT_J:
1373                 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1374                 break;
1375         case SND_SOC_DAIFMT_DSP_B:
1376                 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1377                 break;
1378         default:
1379                 return -EINVAL;
1380         }
1381
1382         snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1383                             DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1384                             dai_clk_mode);
1385         snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1386                             dai_ctrl);
1387
1388         return 0;
1389 }
1390
1391 static int da7219_set_bclks_per_wclk(struct snd_soc_component *component,
1392                                      unsigned long factor)
1393 {
1394         u8 bclks_per_wclk;
1395
1396         switch (factor) {
1397         case 32:
1398                 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1399                 break;
1400         case 64:
1401                 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1402                 break;
1403         case 128:
1404                 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1405                 break;
1406         case 256:
1407                 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1408                 break;
1409         default:
1410                 return -EINVAL;
1411         }
1412
1413         snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1414                                       DA7219_DAI_BCLKS_PER_WCLK_MASK,
1415                                       bclks_per_wclk);
1416
1417         return 0;
1418 }
1419
1420 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1421                                    unsigned int tx_mask, unsigned int rx_mask,
1422                                    int slots, int slot_width)
1423 {
1424         struct snd_soc_component *component = dai->component;
1425         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1426         struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
1427         struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
1428         unsigned int ch_mask;
1429         unsigned long sr, bclk_rate;
1430         u8 slot_offset;
1431         u16 offset;
1432         __le16 dai_offset;
1433         u32 frame_size;
1434         int ret;
1435
1436         /* No channels enabled so disable TDM */
1437         if (!tx_mask) {
1438                 snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1439                                     DA7219_DAI_TDM_CH_EN_MASK |
1440                                     DA7219_DAI_TDM_MODE_EN_MASK, 0);
1441                 da7219->tdm_en = false;
1442                 return 0;
1443         }
1444
1445         /* Check we have valid slots */
1446         slot_offset = ffs(tx_mask) - 1;
1447         ch_mask = (tx_mask >> slot_offset);
1448         if (fls(ch_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1449                 dev_err(component->dev,
1450                         "Invalid number of slots, max = %d\n",
1451                         DA7219_DAI_TDM_MAX_SLOTS);
1452                 return -EINVAL;
1453         }
1454
1455         /*
1456          * Ensure we have a valid offset into the frame, based on slot width
1457          * and slot offset of first slot we're interested in.
1458          */
1459         offset = slot_offset * slot_width;
1460         if (offset > DA7219_DAI_OFFSET_MAX) {
1461                 dev_err(component->dev, "Invalid frame offset %d\n", offset);
1462                 return -EINVAL;
1463         }
1464
1465         /*
1466          * If we're master, calculate & validate frame size based on slot info
1467          * provided as we have a limited set of rates available.
1468          */
1469         if (da7219->master) {
1470                 frame_size = slots * slot_width;
1471
1472                 if (bclk) {
1473                         sr = clk_get_rate(wclk);
1474                         bclk_rate = sr * frame_size;
1475                         ret = clk_set_rate(bclk, bclk_rate);
1476                         if (ret) {
1477                                 dev_err(component->dev,
1478                                         "Failed to set TDM BCLK rate %lu: %d\n",
1479                                         bclk_rate, ret);
1480                                 return ret;
1481                         }
1482                 } else {
1483                         ret = da7219_set_bclks_per_wclk(component, frame_size);
1484                         if (ret) {
1485                                 dev_err(component->dev,
1486                                         "Failed to set TDM BCLKs per WCLK %d: %d\n",
1487                                         frame_size, ret);
1488                                 return ret;
1489                         }
1490                 }
1491         }
1492
1493         dai_offset = cpu_to_le16(offset);
1494         regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1495                           &dai_offset, sizeof(dai_offset));
1496
1497         snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1498                             DA7219_DAI_TDM_CH_EN_MASK |
1499                             DA7219_DAI_TDM_MODE_EN_MASK,
1500                             (ch_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1501                             DA7219_DAI_TDM_MODE_EN_MASK);
1502
1503         da7219->tdm_en = true;
1504
1505         return 0;
1506 }
1507
1508 static int da7219_set_sr(struct snd_soc_component *component,
1509                          unsigned long rate)
1510 {
1511         u8 fs;
1512
1513         switch (rate) {
1514         case 8000:
1515                 fs = DA7219_SR_8000;
1516                 break;
1517         case 11025:
1518                 fs = DA7219_SR_11025;
1519                 break;
1520         case 12000:
1521                 fs = DA7219_SR_12000;
1522                 break;
1523         case 16000:
1524                 fs = DA7219_SR_16000;
1525                 break;
1526         case 22050:
1527                 fs = DA7219_SR_22050;
1528                 break;
1529         case 24000:
1530                 fs = DA7219_SR_24000;
1531                 break;
1532         case 32000:
1533                 fs = DA7219_SR_32000;
1534                 break;
1535         case 44100:
1536                 fs = DA7219_SR_44100;
1537                 break;
1538         case 48000:
1539                 fs = DA7219_SR_48000;
1540                 break;
1541         case 88200:
1542                 fs = DA7219_SR_88200;
1543                 break;
1544         case 96000:
1545                 fs = DA7219_SR_96000;
1546                 break;
1547         default:
1548                 return -EINVAL;
1549         }
1550
1551         snd_soc_component_write(component, DA7219_SR, fs);
1552
1553         return 0;
1554 }
1555
1556 static int da7219_hw_params(struct snd_pcm_substream *substream,
1557                             struct snd_pcm_hw_params *params,
1558                             struct snd_soc_dai *dai)
1559 {
1560         struct snd_soc_component *component = dai->component;
1561         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1562         struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
1563         struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
1564         u8 dai_ctrl = 0;
1565         unsigned int channels;
1566         unsigned long sr, bclk_rate;
1567         int word_len = params_width(params);
1568         int frame_size, ret;
1569
1570         switch (word_len) {
1571         case 16:
1572                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1573                 break;
1574         case 20:
1575                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1576                 break;
1577         case 24:
1578                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1579                 break;
1580         case 32:
1581                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1582                 break;
1583         default:
1584                 return -EINVAL;
1585         }
1586
1587         channels = params_channels(params);
1588         if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1589                 dev_err(component->dev,
1590                         "Invalid number of channels, only 1 to %d supported\n",
1591                         DA7219_DAI_CH_NUM_MAX);
1592                 return -EINVAL;
1593         }
1594         dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1595
1596         sr = params_rate(params);
1597         if (da7219->master && wclk) {
1598                 ret = clk_set_rate(wclk, sr);
1599                 if (ret) {
1600                         dev_err(component->dev,
1601                                 "Failed to set WCLK SR %lu: %d\n", sr, ret);
1602                         return ret;
1603                 }
1604         } else {
1605                 ret = da7219_set_sr(component, sr);
1606                 if (ret) {
1607                         dev_err(component->dev,
1608                                 "Failed to set SR %lu: %d\n", sr, ret);
1609                         return ret;
1610                 }
1611         }
1612
1613         /*
1614          * If we're master, then we have a limited set of BCLK rates we
1615          * support. For slave mode this isn't the case and the codec can detect
1616          * the BCLK rate automatically.
1617          */
1618         if (da7219->master && !da7219->tdm_en) {
1619                 if ((word_len * DA7219_DAI_CH_NUM_MAX) <= 32)
1620                         frame_size = 32;
1621                 else
1622                         frame_size = 64;
1623
1624                 if (bclk) {
1625                         bclk_rate = frame_size * sr;
1626                         /*
1627                          * Rounding the rate here avoids failure trying to set a
1628                          * new rate on an already enabled bclk. In that
1629                          * instance this will just set the same rate as is
1630                          * currently in use, and so should continue without
1631                          * problem, as long as the BCLK rate is suitable for the
1632                          * desired frame size.
1633                          */
1634                         bclk_rate = clk_round_rate(bclk, bclk_rate);
1635                         if ((bclk_rate / sr) < frame_size) {
1636                                 dev_err(component->dev,
1637                                         "BCLK rate mismatch against frame size");
1638                                 return -EINVAL;
1639                         }
1640
1641                         ret = clk_set_rate(bclk, bclk_rate);
1642                         if (ret) {
1643                                 dev_err(component->dev,
1644                                         "Failed to set BCLK rate %lu: %d\n",
1645                                         bclk_rate, ret);
1646                                 return ret;
1647                         }
1648                 } else {
1649                         ret = da7219_set_bclks_per_wclk(component, frame_size);
1650                         if (ret) {
1651                                 dev_err(component->dev,
1652                                         "Failed to set BCLKs per WCLK %d: %d\n",
1653                                         frame_size, ret);
1654                                 return ret;
1655                         }
1656                 }
1657         }
1658
1659         snd_soc_component_update_bits(component, DA7219_DAI_CTRL,
1660                             DA7219_DAI_WORD_LENGTH_MASK |
1661                             DA7219_DAI_CH_NUM_MASK,
1662                             dai_ctrl);
1663
1664         return 0;
1665 }
1666
1667 static const struct snd_soc_dai_ops da7219_dai_ops = {
1668         .hw_params      = da7219_hw_params,
1669         .set_sysclk     = da7219_set_dai_sysclk,
1670         .set_pll        = da7219_set_dai_pll,
1671         .set_fmt        = da7219_set_dai_fmt,
1672         .set_tdm_slot   = da7219_set_dai_tdm_slot,
1673 };
1674
1675 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1676                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1677
1678 #define DA7219_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1679                       SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
1680                       SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
1681                       SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
1682                       SNDRV_PCM_RATE_96000)
1683
1684 static struct snd_soc_dai_driver da7219_dai = {
1685         .name = "da7219-hifi",
1686         .playback = {
1687                 .stream_name = "Playback",
1688                 .channels_min = 1,
1689                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1690                 .rates = DA7219_RATES,
1691                 .formats = DA7219_FORMATS,
1692         },
1693         .capture = {
1694                 .stream_name = "Capture",
1695                 .channels_min = 1,
1696                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1697                 .rates = DA7219_RATES,
1698                 .formats = DA7219_FORMATS,
1699         },
1700         .ops = &da7219_dai_ops,
1701         .symmetric_rates = 1,
1702         .symmetric_channels = 1,
1703         .symmetric_samplebits = 1,
1704 };
1705
1706
1707 /*
1708  * DT/ACPI
1709  */
1710
1711 static const struct of_device_id da7219_of_match[] = {
1712         { .compatible = "dlg,da7219", },
1713         { }
1714 };
1715 MODULE_DEVICE_TABLE(of, da7219_of_match);
1716
1717 static const struct acpi_device_id da7219_acpi_match[] = {
1718         { .id = "DLGS7219", },
1719         { }
1720 };
1721 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1722
1723 static enum da7219_micbias_voltage
1724         da7219_fw_micbias_lvl(struct device *dev, u32 val)
1725 {
1726         switch (val) {
1727         case 1600:
1728                 return DA7219_MICBIAS_1_6V;
1729         case 1800:
1730                 return DA7219_MICBIAS_1_8V;
1731         case 2000:
1732                 return DA7219_MICBIAS_2_0V;
1733         case 2200:
1734                 return DA7219_MICBIAS_2_2V;
1735         case 2400:
1736                 return DA7219_MICBIAS_2_4V;
1737         case 2600:
1738                 return DA7219_MICBIAS_2_6V;
1739         default:
1740                 dev_warn(dev, "Invalid micbias level");
1741                 return DA7219_MICBIAS_2_2V;
1742         }
1743 }
1744
1745 static enum da7219_mic_amp_in_sel
1746         da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1747 {
1748         if (!strcmp(str, "diff")) {
1749                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1750         } else if (!strcmp(str, "se_p")) {
1751                 return DA7219_MIC_AMP_IN_SEL_SE_P;
1752         } else if (!strcmp(str, "se_n")) {
1753                 return DA7219_MIC_AMP_IN_SEL_SE_N;
1754         } else {
1755                 dev_warn(dev, "Invalid mic input type selection");
1756                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1757         }
1758 }
1759
1760 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_component *component)
1761 {
1762         struct device *dev = component->dev;
1763         struct da7219_pdata *pdata;
1764         const char *of_str;
1765         u32 of_val32;
1766
1767         pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1768         if (!pdata)
1769                 return NULL;
1770
1771         pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1772
1773         pdata->dai_clk_names[DA7219_DAI_WCLK_IDX] = "da7219-dai-wclk";
1774         pdata->dai_clk_names[DA7219_DAI_BCLK_IDX] = "da7219-dai-bclk";
1775         if (device_property_read_string_array(dev, "clock-output-names",
1776                                               pdata->dai_clk_names,
1777                                               DA7219_DAI_NUM_CLKS) < 0)
1778                 dev_warn(dev, "Using default DAI clk names: %s, %s\n",
1779                          pdata->dai_clk_names[DA7219_DAI_WCLK_IDX],
1780                          pdata->dai_clk_names[DA7219_DAI_BCLK_IDX]);
1781
1782         if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1783                 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1784         else
1785                 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1786
1787         if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1788                 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1789         else
1790                 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1791
1792         return pdata;
1793 }
1794
1795
1796 /*
1797  * Codec driver functions
1798  */
1799
1800 static int da7219_set_bias_level(struct snd_soc_component *component,
1801                                  enum snd_soc_bias_level level)
1802 {
1803         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1804         int ret;
1805
1806         switch (level) {
1807         case SND_SOC_BIAS_ON:
1808                 break;
1809         case SND_SOC_BIAS_PREPARE:
1810                 /* Enable MCLK for transition to ON state */
1811                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1812                         if (da7219->mclk) {
1813                                 ret = clk_prepare_enable(da7219->mclk);
1814                                 if (ret) {
1815                                         dev_err(component->dev,
1816                                                 "Failed to enable mclk\n");
1817                                         return ret;
1818                                 }
1819                         }
1820                 }
1821
1822                 break;
1823         case SND_SOC_BIAS_STANDBY:
1824                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1825                         /* Master bias */
1826                         snd_soc_component_update_bits(component, DA7219_REFERENCES,
1827                                             DA7219_BIAS_EN_MASK,
1828                                             DA7219_BIAS_EN_MASK);
1829
1830                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) {
1831                         /* Remove MCLK */
1832                         if (da7219->mclk)
1833                                 clk_disable_unprepare(da7219->mclk);
1834                 }
1835                 break;
1836         case SND_SOC_BIAS_OFF:
1837                 /* Only disable master bias if we're not a wake-up source */
1838                 if (!da7219->wakeup_source)
1839                         snd_soc_component_update_bits(component, DA7219_REFERENCES,
1840                                             DA7219_BIAS_EN_MASK, 0);
1841
1842                 break;
1843         }
1844
1845         return 0;
1846 }
1847
1848 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1849         [DA7219_SUPPLY_VDD] = "VDD",
1850         [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1851         [DA7219_SUPPLY_VDDIO] = "VDDIO",
1852 };
1853
1854 static int da7219_handle_supplies(struct snd_soc_component *component)
1855 {
1856         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1857         struct regulator *vddio;
1858         u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1859         int i, ret;
1860
1861         /* Get required supplies */
1862         for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1863                 da7219->supplies[i].supply = da7219_supply_names[i];
1864
1865         ret = devm_regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
1866                                       da7219->supplies);
1867         if (ret) {
1868                 dev_err(component->dev, "Failed to get supplies");
1869                 return ret;
1870         }
1871
1872         /* Determine VDDIO voltage provided */
1873         vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1874         ret = regulator_get_voltage(vddio);
1875         if (ret < 1200000)
1876                 dev_warn(component->dev, "Invalid VDDIO voltage\n");
1877         else if (ret < 2800000)
1878                 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1879
1880         /* Enable main supplies */
1881         ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1882         if (ret) {
1883                 dev_err(component->dev, "Failed to enable supplies");
1884                 return ret;
1885         }
1886
1887         /* Ensure device in active mode */
1888         snd_soc_component_write(component, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1889
1890         /* Update IO voltage level range */
1891         snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
1892
1893         return 0;
1894 }
1895
1896 #ifdef CONFIG_COMMON_CLK
1897 static int da7219_wclk_prepare(struct clk_hw *hw)
1898 {
1899         struct da7219_priv *da7219 =
1900                 container_of(hw, struct da7219_priv,
1901                              dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1902         struct snd_soc_component *component = da7219->component;
1903
1904         if (!da7219->master)
1905                 return -EINVAL;
1906
1907         snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1908                                       DA7219_DAI_CLK_EN_MASK,
1909                                       DA7219_DAI_CLK_EN_MASK);
1910
1911         return 0;
1912 }
1913
1914 static void da7219_wclk_unprepare(struct clk_hw *hw)
1915 {
1916         struct da7219_priv *da7219 =
1917                 container_of(hw, struct da7219_priv,
1918                              dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1919         struct snd_soc_component *component = da7219->component;
1920
1921         if (!da7219->master)
1922                 return;
1923
1924         snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1925                                       DA7219_DAI_CLK_EN_MASK, 0);
1926 }
1927
1928 static int da7219_wclk_is_prepared(struct clk_hw *hw)
1929 {
1930         struct da7219_priv *da7219 =
1931                 container_of(hw, struct da7219_priv,
1932                              dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1933         struct snd_soc_component *component = da7219->component;
1934         u8 clk_reg;
1935
1936         if (!da7219->master)
1937                 return -EINVAL;
1938
1939         clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE);
1940
1941         return !!(clk_reg & DA7219_DAI_CLK_EN_MASK);
1942 }
1943
1944 static unsigned long da7219_wclk_recalc_rate(struct clk_hw *hw,
1945                                              unsigned long parent_rate)
1946 {
1947         struct da7219_priv *da7219 =
1948                 container_of(hw, struct da7219_priv,
1949                              dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1950         struct snd_soc_component *component = da7219->component;
1951         u8 fs = snd_soc_component_read32(component, DA7219_SR);
1952
1953         switch (fs & DA7219_SR_MASK) {
1954         case DA7219_SR_8000:
1955                 return 8000;
1956         case DA7219_SR_11025:
1957                 return 11025;
1958         case DA7219_SR_12000:
1959                 return 12000;
1960         case DA7219_SR_16000:
1961                 return 16000;
1962         case DA7219_SR_22050:
1963                 return 22050;
1964         case DA7219_SR_24000:
1965                 return 24000;
1966         case DA7219_SR_32000:
1967                 return 32000;
1968         case DA7219_SR_44100:
1969                 return 44100;
1970         case DA7219_SR_48000:
1971                 return 48000;
1972         case DA7219_SR_88200:
1973                 return 88200;
1974         case DA7219_SR_96000:
1975                 return 96000;
1976         default:
1977                 return 0;
1978         }
1979 }
1980
1981 static long da7219_wclk_round_rate(struct clk_hw *hw, unsigned long rate,
1982                                    unsigned long *parent_rate)
1983 {
1984         struct da7219_priv *da7219 =
1985                 container_of(hw, struct da7219_priv,
1986                              dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1987
1988         if (!da7219->master)
1989                 return -EINVAL;
1990
1991         if (rate < 11025)
1992                 return 8000;
1993         else if (rate < 12000)
1994                 return 11025;
1995         else if (rate < 16000)
1996                 return 12000;
1997         else if (rate < 22050)
1998                 return 16000;
1999         else if (rate < 24000)
2000                 return 22050;
2001         else if (rate < 32000)
2002                 return 24000;
2003         else if (rate < 44100)
2004                 return 32000;
2005         else if (rate < 48000)
2006                 return 44100;
2007         else if (rate < 88200)
2008                 return 48000;
2009         else if (rate < 96000)
2010                 return 88200;
2011         else
2012                 return 96000;
2013 }
2014
2015 static int da7219_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
2016                                 unsigned long parent_rate)
2017 {
2018         struct da7219_priv *da7219 =
2019                 container_of(hw, struct da7219_priv,
2020                              dai_clks_hw[DA7219_DAI_WCLK_IDX]);
2021         struct snd_soc_component *component = da7219->component;
2022
2023         if (!da7219->master)
2024                 return -EINVAL;
2025
2026         return da7219_set_sr(component, rate);
2027 }
2028
2029 static unsigned long da7219_bclk_recalc_rate(struct clk_hw *hw,
2030                                              unsigned long parent_rate)
2031 {
2032         struct da7219_priv *da7219 =
2033                 container_of(hw, struct da7219_priv,
2034                              dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2035         struct snd_soc_component *component = da7219->component;
2036         u8 bclks_per_wclk = snd_soc_component_read32(component,
2037                                                      DA7219_DAI_CLK_MODE);
2038
2039         switch (bclks_per_wclk & DA7219_DAI_BCLKS_PER_WCLK_MASK) {
2040         case DA7219_DAI_BCLKS_PER_WCLK_32:
2041                 return parent_rate * 32;
2042         case DA7219_DAI_BCLKS_PER_WCLK_64:
2043                 return parent_rate * 64;
2044         case DA7219_DAI_BCLKS_PER_WCLK_128:
2045                 return parent_rate * 128;
2046         case DA7219_DAI_BCLKS_PER_WCLK_256:
2047                 return parent_rate * 256;
2048         default:
2049                 return 0;
2050         }
2051 }
2052
2053 static unsigned long da7219_bclk_get_factor(unsigned long rate,
2054                                             unsigned long parent_rate)
2055 {
2056         unsigned long factor;
2057
2058         factor = rate / parent_rate;
2059         if (factor < 64)
2060                 return 32;
2061         else if (factor < 128)
2062                 return 64;
2063         else if (factor < 256)
2064                 return 128;
2065         else
2066                 return 256;
2067 }
2068
2069 static long da7219_bclk_round_rate(struct clk_hw *hw, unsigned long rate,
2070                                    unsigned long *parent_rate)
2071 {
2072         struct da7219_priv *da7219 =
2073                 container_of(hw, struct da7219_priv,
2074                              dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2075         unsigned long factor;
2076
2077         if (!*parent_rate || !da7219->master)
2078                 return -EINVAL;
2079
2080         /*
2081          * We don't allow changing the parent rate as some BCLK rates can be
2082          * derived from multiple parent WCLK rates (BCLK rates are set as a
2083          * multiplier of WCLK in HW). We just do some rounding down based on the
2084          * parent WCLK rate set and find the appropriate multiplier of BCLK to
2085          * get the rounded down BCLK value.
2086          */
2087         factor = da7219_bclk_get_factor(rate, *parent_rate);
2088
2089         return *parent_rate * factor;
2090 }
2091
2092 static int da7219_bclk_set_rate(struct clk_hw *hw, unsigned long rate,
2093                                 unsigned long parent_rate)
2094 {
2095         struct da7219_priv *da7219 =
2096                 container_of(hw, struct da7219_priv,
2097                              dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2098         struct snd_soc_component *component = da7219->component;
2099         unsigned long factor;
2100
2101         if (!da7219->master)
2102                 return -EINVAL;
2103
2104         factor = da7219_bclk_get_factor(rate, parent_rate);
2105
2106         return da7219_set_bclks_per_wclk(component, factor);
2107 }
2108
2109 static const struct clk_ops da7219_dai_clk_ops[DA7219_DAI_NUM_CLKS] = {
2110         [DA7219_DAI_WCLK_IDX] = {
2111                 .prepare = da7219_wclk_prepare,
2112                 .unprepare = da7219_wclk_unprepare,
2113                 .is_prepared = da7219_wclk_is_prepared,
2114                 .recalc_rate = da7219_wclk_recalc_rate,
2115                 .round_rate = da7219_wclk_round_rate,
2116                 .set_rate = da7219_wclk_set_rate,
2117         },
2118         [DA7219_DAI_BCLK_IDX] = {
2119                 .recalc_rate = da7219_bclk_recalc_rate,
2120                 .round_rate = da7219_bclk_round_rate,
2121                 .set_rate = da7219_bclk_set_rate,
2122         },
2123 };
2124
2125 static int da7219_register_dai_clks(struct snd_soc_component *component)
2126 {
2127         struct device *dev = component->dev;
2128         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2129         struct da7219_pdata *pdata = da7219->pdata;
2130         const char *parent_name;
2131         int i, ret;
2132
2133         for (i = 0; i < DA7219_DAI_NUM_CLKS; ++i) {
2134                 struct clk_init_data init = {};
2135                 struct clk *dai_clk;
2136                 struct clk_lookup *dai_clk_lookup;
2137                 struct clk_hw *dai_clk_hw = &da7219->dai_clks_hw[i];
2138
2139                 switch (i) {
2140                 case DA7219_DAI_WCLK_IDX:
2141                         /*
2142                          * If we can, make MCLK the parent of WCLK to ensure
2143                          * it's enabled as required.
2144                          */
2145                         if (da7219->mclk) {
2146                                 parent_name = __clk_get_name(da7219->mclk);
2147                                 init.parent_names = &parent_name;
2148                                 init.num_parents = 1;
2149                         } else {
2150                                 init.parent_names = NULL;
2151                                 init.num_parents = 0;
2152                         }
2153                         break;
2154                 case DA7219_DAI_BCLK_IDX:
2155                         /* Make WCLK the parent of BCLK */
2156                         parent_name = __clk_get_name(da7219->dai_clks[DA7219_DAI_WCLK_IDX]);
2157                         init.parent_names = &parent_name;
2158                         init.num_parents = 1;
2159                         break;
2160                 default:
2161                         dev_err(dev, "Invalid clock index\n");
2162                         ret = -EINVAL;
2163                         goto err;
2164                 }
2165
2166                 init.name = pdata->dai_clk_names[i];
2167                 init.ops = &da7219_dai_clk_ops[i];
2168                 init.flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_GATE;
2169                 dai_clk_hw->init = &init;
2170
2171                 dai_clk = devm_clk_register(dev, dai_clk_hw);
2172                 if (IS_ERR(dai_clk)) {
2173                         dev_warn(dev, "Failed to register %s: %ld\n",
2174                                  init.name, PTR_ERR(dai_clk));
2175                         ret = PTR_ERR(dai_clk);
2176                         goto err;
2177                 }
2178                 da7219->dai_clks[i] = dai_clk;
2179
2180                 /* If we're using DT, then register as provider accordingly */
2181                 if (dev->of_node) {
2182                         devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
2183                                                     dai_clk_hw);
2184                 } else {
2185                         dai_clk_lookup = clkdev_create(dai_clk, init.name,
2186                                                        "%s", dev_name(dev));
2187                         if (!dai_clk_lookup) {
2188                                 ret = -ENOMEM;
2189                                 goto err;
2190                         } else {
2191                                 da7219->dai_clks_lookup[i] = dai_clk_lookup;
2192                         }
2193                 }
2194         }
2195
2196         return 0;
2197
2198 err:
2199         do {
2200                 if (da7219->dai_clks_lookup[i])
2201                         clkdev_drop(da7219->dai_clks_lookup[i]);
2202         } while (i-- > 0);
2203
2204         return ret;
2205 }
2206 #else
2207 static inline int da7219_register_dai_clks(struct snd_soc_component *component)
2208 {
2209         return 0;
2210 }
2211 #endif /* CONFIG_COMMON_CLK */
2212
2213 static void da7219_handle_pdata(struct snd_soc_component *component)
2214 {
2215         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2216         struct da7219_pdata *pdata = da7219->pdata;
2217
2218         if (pdata) {
2219                 u8 micbias_lvl = 0;
2220
2221                 da7219->wakeup_source = pdata->wakeup_source;
2222
2223                 /* Mic Bias voltages */
2224                 switch (pdata->micbias_lvl) {
2225                 case DA7219_MICBIAS_1_6V:
2226                 case DA7219_MICBIAS_1_8V:
2227                 case DA7219_MICBIAS_2_0V:
2228                 case DA7219_MICBIAS_2_2V:
2229                 case DA7219_MICBIAS_2_4V:
2230                 case DA7219_MICBIAS_2_6V:
2231                         micbias_lvl |= (pdata->micbias_lvl <<
2232                                         DA7219_MICBIAS1_LEVEL_SHIFT);
2233                         break;
2234                 }
2235
2236                 snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl);
2237
2238                 /*
2239                  * Calculate delay required to compensate for DC offset in
2240                  * Mic PGA, based on Mic Bias voltage.
2241                  */
2242                 da7219->mic_pga_delay =  DA7219_MIC_PGA_BASE_DELAY +
2243                                         (pdata->micbias_lvl *
2244                                          DA7219_MIC_PGA_OFFSET_DELAY);
2245
2246                 /* Mic */
2247                 switch (pdata->mic_amp_in_sel) {
2248                 case DA7219_MIC_AMP_IN_SEL_DIFF:
2249                 case DA7219_MIC_AMP_IN_SEL_SE_P:
2250                 case DA7219_MIC_AMP_IN_SEL_SE_N:
2251                         snd_soc_component_write(component, DA7219_MIC_1_SELECT,
2252                                       pdata->mic_amp_in_sel);
2253                         break;
2254                 }
2255         }
2256 }
2257
2258 static struct reg_sequence da7219_rev_aa_patch[] = {
2259         { DA7219_REFERENCES, 0x08 },
2260 };
2261
2262 static int da7219_probe(struct snd_soc_component *component)
2263 {
2264         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2265         unsigned int rev;
2266         int ret;
2267
2268         da7219->component = component;
2269         mutex_init(&da7219->ctrl_lock);
2270         mutex_init(&da7219->pll_lock);
2271
2272         /* Regulator configuration */
2273         ret = da7219_handle_supplies(component);
2274         if (ret)
2275                 return ret;
2276
2277         ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
2278         if (ret) {
2279                 dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
2280                 goto err_disable_reg;
2281         }
2282
2283         switch (rev & DA7219_CHIP_MINOR_MASK) {
2284         case 0:
2285                 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
2286                                             ARRAY_SIZE(da7219_rev_aa_patch));
2287                 if (ret) {
2288                         dev_err(component->dev, "Failed to register AA patch: %d\n",
2289                                 ret);
2290                         goto err_disable_reg;
2291                 }
2292                 break;
2293         default:
2294                 break;
2295         }
2296
2297         /* Handle DT/ACPI/Platform data */
2298         da7219->pdata = dev_get_platdata(component->dev);
2299         if (!da7219->pdata)
2300                 da7219->pdata = da7219_fw_to_pdata(component);
2301
2302         da7219_handle_pdata(component);
2303
2304         /* Check if MCLK provided */
2305         da7219->mclk = devm_clk_get(component->dev, "mclk");
2306         if (IS_ERR(da7219->mclk)) {
2307                 if (PTR_ERR(da7219->mclk) != -ENOENT) {
2308                         ret = PTR_ERR(da7219->mclk);
2309                         goto err_disable_reg;
2310                 } else {
2311                         da7219->mclk = NULL;
2312                 }
2313         }
2314
2315         /* Register CCF DAI clock control */
2316         ret = da7219_register_dai_clks(component);
2317         if (ret)
2318                 return ret;
2319
2320         /* Default PC counter to free-running */
2321         snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
2322                             DA7219_PC_FREERUN_MASK);
2323
2324         /* Default gain ramping */
2325         snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
2326                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
2327                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
2328         snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
2329                             DA7219_ADC_L_RAMP_EN_MASK);
2330         snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
2331                             DA7219_DAC_L_RAMP_EN_MASK);
2332         snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
2333                             DA7219_DAC_R_RAMP_EN_MASK);
2334         snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
2335                             DA7219_HP_L_AMP_RAMP_EN_MASK,
2336                             DA7219_HP_L_AMP_RAMP_EN_MASK);
2337         snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
2338                             DA7219_HP_R_AMP_RAMP_EN_MASK,
2339                             DA7219_HP_R_AMP_RAMP_EN_MASK);
2340
2341         /* Default minimum gain on HP to avoid pops during DAPM sequencing */
2342         snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
2343                             DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
2344                             DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
2345         snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
2346                             DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
2347                             DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
2348
2349         /* Default infinite tone gen, start/stop by Kcontrol */
2350         snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
2351
2352         /* Initialise AAD block */
2353         ret = da7219_aad_init(component);
2354         if (ret)
2355                 goto err_disable_reg;
2356
2357         return 0;
2358
2359 err_disable_reg:
2360         regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2361
2362         return ret;
2363 }
2364
2365 static void da7219_remove(struct snd_soc_component *component)
2366 {
2367         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2368 #ifdef CONFIG_COMMON_CLK
2369         int i;
2370 #endif
2371
2372         da7219_aad_exit(component);
2373
2374 #ifdef CONFIG_COMMON_CLK
2375         for (i = DA7219_DAI_NUM_CLKS - 1; i >= 0; --i) {
2376                 if (da7219->dai_clks_lookup[i])
2377                         clkdev_drop(da7219->dai_clks_lookup[i]);
2378         }
2379 #endif
2380
2381         /* Supplies */
2382         regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2383 }
2384
2385 #ifdef CONFIG_PM
2386 static int da7219_suspend(struct snd_soc_component *component)
2387 {
2388         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2389
2390         /* Suspend AAD if we're not a wake-up source */
2391         if (!da7219->wakeup_source)
2392                 da7219_aad_suspend(component);
2393
2394         snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
2395
2396         return 0;
2397 }
2398
2399 static int da7219_resume(struct snd_soc_component *component)
2400 {
2401         struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2402
2403         snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
2404
2405         /* Resume AAD if previously suspended */
2406         if (!da7219->wakeup_source)
2407                 da7219_aad_resume(component);
2408
2409         return 0;
2410 }
2411 #else
2412 #define da7219_suspend NULL
2413 #define da7219_resume NULL
2414 #endif
2415
2416 static const struct snd_soc_component_driver soc_component_dev_da7219 = {
2417         .probe                  = da7219_probe,
2418         .remove                 = da7219_remove,
2419         .suspend                = da7219_suspend,
2420         .resume                 = da7219_resume,
2421         .set_bias_level         = da7219_set_bias_level,
2422         .controls               = da7219_snd_controls,
2423         .num_controls           = ARRAY_SIZE(da7219_snd_controls),
2424         .dapm_widgets           = da7219_dapm_widgets,
2425         .num_dapm_widgets       = ARRAY_SIZE(da7219_dapm_widgets),
2426         .dapm_routes            = da7219_audio_map,
2427         .num_dapm_routes        = ARRAY_SIZE(da7219_audio_map),
2428         .idle_bias_on           = 1,
2429         .use_pmdown_time        = 1,
2430         .endianness             = 1,
2431         .non_legacy_dai_naming  = 1,
2432 };
2433
2434
2435 /*
2436  * Regmap configs
2437  */
2438
2439 static struct reg_default da7219_reg_defaults[] = {
2440         { DA7219_MIC_1_SELECT, 0x00 },
2441         { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
2442         { DA7219_SR_24_48, 0x00 },
2443         { DA7219_SR, 0x0A },
2444         { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
2445         { DA7219_PLL_CTRL, 0x10 },
2446         { DA7219_PLL_FRAC_TOP, 0x00 },
2447         { DA7219_PLL_FRAC_BOT, 0x00 },
2448         { DA7219_PLL_INTEGER, 0x20 },
2449         { DA7219_DIG_ROUTING_DAI, 0x10 },
2450         { DA7219_DAI_CLK_MODE, 0x01 },
2451         { DA7219_DAI_CTRL, 0x28 },
2452         { DA7219_DAI_TDM_CTRL, 0x40 },
2453         { DA7219_DIG_ROUTING_DAC, 0x32 },
2454         { DA7219_DAI_OFFSET_LOWER, 0x00 },
2455         { DA7219_DAI_OFFSET_UPPER, 0x00 },
2456         { DA7219_REFERENCES, 0x08 },
2457         { DA7219_MIXIN_L_SELECT, 0x00 },
2458         { DA7219_MIXIN_L_GAIN, 0x03 },
2459         { DA7219_ADC_L_GAIN, 0x6F },
2460         { DA7219_ADC_FILTERS1, 0x80 },
2461         { DA7219_MIC_1_GAIN, 0x01 },
2462         { DA7219_SIDETONE_CTRL, 0x40 },
2463         { DA7219_SIDETONE_GAIN, 0x0E },
2464         { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
2465         { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
2466         { DA7219_DAC_FILTERS5, 0x00 },
2467         { DA7219_DAC_FILTERS2, 0x88 },
2468         { DA7219_DAC_FILTERS3, 0x88 },
2469         { DA7219_DAC_FILTERS4, 0x08 },
2470         { DA7219_DAC_FILTERS1, 0x80 },
2471         { DA7219_DAC_L_GAIN, 0x6F },
2472         { DA7219_DAC_R_GAIN, 0x6F },
2473         { DA7219_CP_CTRL, 0x20 },
2474         { DA7219_HP_L_GAIN, 0x39 },
2475         { DA7219_HP_R_GAIN, 0x39 },
2476         { DA7219_MIXOUT_L_SELECT, 0x00 },
2477         { DA7219_MIXOUT_R_SELECT, 0x00 },
2478         { DA7219_MICBIAS_CTRL, 0x03 },
2479         { DA7219_MIC_1_CTRL, 0x40 },
2480         { DA7219_MIXIN_L_CTRL, 0x40 },
2481         { DA7219_ADC_L_CTRL, 0x40 },
2482         { DA7219_DAC_L_CTRL, 0x40 },
2483         { DA7219_DAC_R_CTRL, 0x40 },
2484         { DA7219_HP_L_CTRL, 0x40 },
2485         { DA7219_HP_R_CTRL, 0x40 },
2486         { DA7219_MIXOUT_L_CTRL, 0x10 },
2487         { DA7219_MIXOUT_R_CTRL, 0x10 },
2488         { DA7219_CHIP_ID1, 0x23 },
2489         { DA7219_CHIP_ID2, 0x93 },
2490         { DA7219_IO_CTRL, 0x00 },
2491         { DA7219_GAIN_RAMP_CTRL, 0x00 },
2492         { DA7219_PC_COUNT, 0x02 },
2493         { DA7219_CP_VOL_THRESHOLD1, 0x0E },
2494         { DA7219_DIG_CTRL, 0x00 },
2495         { DA7219_ALC_CTRL2, 0x00 },
2496         { DA7219_ALC_CTRL3, 0x00 },
2497         { DA7219_ALC_NOISE, 0x3F },
2498         { DA7219_ALC_TARGET_MIN, 0x3F },
2499         { DA7219_ALC_TARGET_MAX, 0x00 },
2500         { DA7219_ALC_GAIN_LIMITS, 0xFF },
2501         { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
2502         { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
2503         { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
2504         { DA7219_DAC_NG_SETUP_TIME, 0x00 },
2505         { DA7219_DAC_NG_OFF_THRESH, 0x00 },
2506         { DA7219_DAC_NG_ON_THRESH, 0x00 },
2507         { DA7219_DAC_NG_CTRL, 0x00 },
2508         { DA7219_TONE_GEN_CFG1, 0x00 },
2509         { DA7219_TONE_GEN_CFG2, 0x00 },
2510         { DA7219_TONE_GEN_CYCLES, 0x00 },
2511         { DA7219_TONE_GEN_FREQ1_L, 0x55 },
2512         { DA7219_TONE_GEN_FREQ1_U, 0x15 },
2513         { DA7219_TONE_GEN_FREQ2_L, 0x00 },
2514         { DA7219_TONE_GEN_FREQ2_U, 0x40 },
2515         { DA7219_TONE_GEN_ON_PER, 0x02 },
2516         { DA7219_TONE_GEN_OFF_PER, 0x01 },
2517         { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
2518         { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
2519         { DA7219_ACCDET_CONFIG_1, 0xD6 },
2520         { DA7219_ACCDET_CONFIG_2, 0x34 },
2521         { DA7219_ACCDET_CONFIG_3, 0x0A },
2522         { DA7219_ACCDET_CONFIG_4, 0x16 },
2523         { DA7219_ACCDET_CONFIG_5, 0x21 },
2524         { DA7219_ACCDET_CONFIG_6, 0x3E },
2525         { DA7219_ACCDET_CONFIG_7, 0x01 },
2526         { DA7219_SYSTEM_ACTIVE, 0x00 },
2527 };
2528
2529 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
2530 {
2531         switch (reg) {
2532         case DA7219_MIC_1_GAIN_STATUS:
2533         case DA7219_MIXIN_L_GAIN_STATUS:
2534         case DA7219_ADC_L_GAIN_STATUS:
2535         case DA7219_DAC_L_GAIN_STATUS:
2536         case DA7219_DAC_R_GAIN_STATUS:
2537         case DA7219_HP_L_GAIN_STATUS:
2538         case DA7219_HP_R_GAIN_STATUS:
2539         case DA7219_CIF_CTRL:
2540         case DA7219_PLL_SRM_STS:
2541         case DA7219_ALC_CTRL1:
2542         case DA7219_SYSTEM_MODES_INPUT:
2543         case DA7219_SYSTEM_MODES_OUTPUT:
2544         case DA7219_ALC_OFFSET_AUTO_M_L:
2545         case DA7219_ALC_OFFSET_AUTO_U_L:
2546         case DA7219_TONE_GEN_CFG1:
2547         case DA7219_ACCDET_STATUS_A:
2548         case DA7219_ACCDET_STATUS_B:
2549         case DA7219_ACCDET_IRQ_EVENT_A:
2550         case DA7219_ACCDET_IRQ_EVENT_B:
2551         case DA7219_ACCDET_CONFIG_8:
2552         case DA7219_SYSTEM_STATUS:
2553                 return true;
2554         default:
2555                 return false;
2556         }
2557 }
2558
2559 static const struct regmap_config da7219_regmap_config = {
2560         .reg_bits = 8,
2561         .val_bits = 8,
2562
2563         .max_register = DA7219_SYSTEM_ACTIVE,
2564         .reg_defaults = da7219_reg_defaults,
2565         .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
2566         .volatile_reg = da7219_volatile_register,
2567         .cache_type = REGCACHE_RBTREE,
2568 };
2569
2570
2571 /*
2572  * I2C layer
2573  */
2574
2575 static int da7219_i2c_probe(struct i2c_client *i2c,
2576                             const struct i2c_device_id *id)
2577 {
2578         struct da7219_priv *da7219;
2579         unsigned int system_active, system_status;
2580         int i, ret;
2581
2582         da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
2583                               GFP_KERNEL);
2584         if (!da7219)
2585                 return -ENOMEM;
2586
2587         i2c_set_clientdata(i2c, da7219);
2588
2589         da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
2590         if (IS_ERR(da7219->regmap)) {
2591                 ret = PTR_ERR(da7219->regmap);
2592                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2593                 return ret;
2594         }
2595
2596         regcache_cache_bypass(da7219->regmap, true);
2597
2598         /* Disable audio paths if still active from previous start */
2599         regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
2600         if (system_active) {
2601                 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
2602                              DA7219_GAIN_RAMP_RATE_NOMINAL);
2603                 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
2604                 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
2605
2606                 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
2607                         regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
2608                                     &system_status);
2609                         if (!system_status)
2610                                 break;
2611
2612                         msleep(DA7219_SYS_STAT_CHECK_DELAY);
2613                 }
2614         }
2615
2616         /* Soft reset component */
2617         regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
2618                           DA7219_ACCDET_EN_MASK, 0);
2619         regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
2620                           DA7219_CIF_REG_SOFT_RESET_MASK,
2621                           DA7219_CIF_REG_SOFT_RESET_MASK);
2622         regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
2623                           DA7219_SYSTEM_ACTIVE_MASK, 0);
2624
2625         regcache_cache_bypass(da7219->regmap, false);
2626
2627         ret = devm_snd_soc_register_component(&i2c->dev,
2628                                      &soc_component_dev_da7219,
2629                                      &da7219_dai, 1);
2630         if (ret < 0) {
2631                 dev_err(&i2c->dev, "Failed to register da7219 component: %d\n",
2632                         ret);
2633         }
2634         return ret;
2635 }
2636
2637 static int da7219_i2c_remove(struct i2c_client *client)
2638 {
2639         return 0;
2640 }
2641
2642 static const struct i2c_device_id da7219_i2c_id[] = {
2643         { "da7219", },
2644         { }
2645 };
2646 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2647
2648 static struct i2c_driver da7219_i2c_driver = {
2649         .driver = {
2650                 .name = "da7219",
2651                 .of_match_table = of_match_ptr(da7219_of_match),
2652                 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
2653         },
2654         .probe          = da7219_i2c_probe,
2655         .remove         = da7219_i2c_remove,
2656         .id_table       = da7219_i2c_id,
2657 };
2658
2659 module_i2c_driver(da7219_i2c_driver);
2660
2661 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2662 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2663 MODULE_LICENSE("GPL");