sound/soc/codecs/da7219.c

   1 /*
   2  * da7219.c - DA7219 ALSA SoC Codec Driver
   3  *
   4  * Copyright (c) 2015 Dialog Semiconductor
   5  *
   6  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
   7  *
   8  * This program is free software; you can redistribute  it and/or modify it
   9  * under  the terms of  the GNU General  Public License as published by the
  10  * Free Software Foundation;  either version 2 of the  License, or (at your
  11  * option) any later version.
  12  */
  13
  14 #include <linux/acpi.h>
  15 #include <linux/clk.h>
  16 #include <linux/i2c.h>
  17 #include <linux/of_device.h>
  18 #include <linux/property.h>
  19 #include <linux/regmap.h>
  20 #include <linux/slab.h>
  21 #include <linux/pm.h>
  22 #include <linux/module.h>
  23 #include <linux/delay.h>
  24 #include <linux/regulator/consumer.h>
  25 #include <sound/pcm.h>
  26 #include <sound/pcm_params.h>
  27 #include <sound/soc.h>
  28 #include <sound/soc-dapm.h>
  29 #include <sound/initval.h>
  30 #include <sound/tlv.h>
  31 #include <asm/div64.h>
  32
  33 #include <sound/da7219.h>
  34 #include "da7219.h"
  35 #include "da7219-aad.h"
  36
  37
  38 /*
  39  * TLVs and Enums
  40  */
  41
  42 /* Input TLVs */
  43 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
  44 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
  45 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
  46 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
  47 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
  48 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
  49 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
  50 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
  51
  52 /* Output TLVs */
  53 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
  54
  55 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
  56         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  57         /* -77.25dB to 12dB */
  58         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
  59 );
  60
  61 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
  62 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
  63
  64 /* Input Enums */
  65 static const char * const da7219_alc_attack_rate_txt[] = {
  66         "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
  67         "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
  68         "30024/fs"
  69 };
  70
  71 static const struct soc_enum da7219_alc_attack_rate =
  72         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
  73                         DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
  74
  75 static const char * const da7219_alc_release_rate_txt[] = {
  76         "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
  77         "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
  78 };
  79
  80 static const struct soc_enum da7219_alc_release_rate =
  81         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
  82                         DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
  83
  84 static const char * const da7219_alc_hold_time_txt[] = {
  85         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
  86         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
  87         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
  88 };
  89
  90 static const struct soc_enum da7219_alc_hold_time =
  91         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
  92                         DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
  93
  94 static const char * const da7219_alc_env_rate_txt[] = {
  95         "1/4", "1/16", "1/256", "1/65536"
  96 };
  97
  98 static const struct soc_enum da7219_alc_env_attack_rate =
  99         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
 100                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
 101
 102 static const struct soc_enum da7219_alc_env_release_rate =
 103         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
 104                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
 105
 106 static const char * const da7219_alc_anticlip_step_txt[] = {
 107         "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
 108 };
 109
 110 static const struct soc_enum da7219_alc_anticlip_step =
 111         SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
 112                         DA7219_ALC_ANTICLIP_STEP_SHIFT,
 113                         DA7219_ALC_ANTICLIP_STEP_MAX,
 114                         da7219_alc_anticlip_step_txt);
 115
 116 /* Input/Output Enums */
 117 static const char * const da7219_gain_ramp_rate_txt[] = {
 118         "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
 119         "Nominal Rate / 16"
 120 };
 121
 122 static const struct soc_enum da7219_gain_ramp_rate =
 123         SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
 124                         DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
 125
 126 static const char * const da7219_hpf_mode_txt[] = {
 127         "Disabled", "Audio", "Voice"
 128 };
 129
 130 static const unsigned int da7219_hpf_mode_val[] = {
 131         DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
 132 };
 133
 134 static const struct soc_enum da7219_adc_hpf_mode =
 135         SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 136                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 137                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
 138
 139 static const struct soc_enum da7219_dac_hpf_mode =
 140         SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
 141                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
 142                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
 143
 144 static const char * const da7219_audio_hpf_corner_txt[] = {
 145         "2Hz", "4Hz", "8Hz", "16Hz"
 146 };
 147
 148 static const struct soc_enum da7219_adc_audio_hpf_corner =
 149         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 150                         DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
 151                         DA7219_AUDIO_HPF_CORNER_MAX,
 152                         da7219_audio_hpf_corner_txt);
 153
 154 static const struct soc_enum da7219_dac_audio_hpf_corner =
 155         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 156                         DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
 157                         DA7219_AUDIO_HPF_CORNER_MAX,
 158                         da7219_audio_hpf_corner_txt);
 159
 160 static const char * const da7219_voice_hpf_corner_txt[] = {
 161         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 162 };
 163
 164 static const struct soc_enum da7219_adc_voice_hpf_corner =
 165         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
 166                         DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
 167                         DA7219_VOICE_HPF_CORNER_MAX,
 168                         da7219_voice_hpf_corner_txt);
 169
 170 static const struct soc_enum da7219_dac_voice_hpf_corner =
 171         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
 172                         DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
 173                         DA7219_VOICE_HPF_CORNER_MAX,
 174                         da7219_voice_hpf_corner_txt);
 175
 176 static const char * const da7219_tonegen_dtmf_key_txt[] = {
 177         "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
 178         "*", "#"
 179 };
 180
 181 static const struct soc_enum da7219_tonegen_dtmf_key =
 182         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
 183                         DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
 184
 185 static const char * const da7219_tonegen_swg_sel_txt[] = {
 186         "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
 187 };
 188
 189 static const struct soc_enum da7219_tonegen_swg_sel =
 190         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
 191                         DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
 192
 193 /* Output Enums */
 194 static const char * const da7219_dac_softmute_rate_txt[] = {
 195         "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
 196         "32 Samples", "64 Samples"
 197 };
 198
 199 static const struct soc_enum da7219_dac_softmute_rate =
 200         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
 201                         DA7219_DAC_SOFTMUTE_RATE_MAX,
 202                         da7219_dac_softmute_rate_txt);
 203
 204 static const char * const da7219_dac_ng_setup_time_txt[] = {
 205         "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
 206 };
 207
 208 static const struct soc_enum da7219_dac_ng_setup_time =
 209         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 210                         DA7219_DAC_NG_SETUP_TIME_SHIFT,
 211                         DA7219_DAC_NG_SETUP_TIME_MAX,
 212                         da7219_dac_ng_setup_time_txt);
 213
 214 static const char * const da7219_dac_ng_rampup_txt[] = {
 215         "0.22ms/dB", "0.0138ms/dB"
 216 };
 217
 218 static const struct soc_enum da7219_dac_ng_rampup_rate =
 219         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 220                         DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
 221                         DA7219_DAC_NG_RAMP_RATE_MAX,
 222                         da7219_dac_ng_rampup_txt);
 223
 224 static const char * const da7219_dac_ng_rampdown_txt[] = {
 225         "0.88ms/dB", "14.08ms/dB"
 226 };
 227
 228 static const struct soc_enum da7219_dac_ng_rampdown_rate =
 229         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
 230                         DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
 231                         DA7219_DAC_NG_RAMP_RATE_MAX,
 232                         da7219_dac_ng_rampdown_txt);
 233
 234
 235 static const char * const da7219_cp_track_mode_txt[] = {
 236         "Largest Volume", "DAC Volume", "Signal Magnitude"
 237 };
 238
 239 static const unsigned int da7219_cp_track_mode_val[] = {
 240         DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
 241         DA7219_CP_MCHANGE_SIG_MAG
 242 };
 243
 244 static const struct soc_enum da7219_cp_track_mode =
 245         SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
 246                               DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
 247                               da7219_cp_track_mode_txt,
 248                               da7219_cp_track_mode_val);
 249
 250
 251 /*
 252  * Control Functions
 253  */
 254
 255 /* Locked Kcontrol calls */
 256 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
 257                                    struct snd_ctl_elem_value *ucontrol)
 258 {
 259         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 260         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 261         int ret;
 262
 263         mutex_lock(&da7219->lock);
 264         ret = snd_soc_get_volsw(kcontrol, ucontrol);
 265         mutex_unlock(&da7219->lock);
 266
 267         return ret;
 268 }
 269
 270 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
 271                                    struct snd_ctl_elem_value *ucontrol)
 272 {
 273         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 274         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 275         int ret;
 276
 277         mutex_lock(&da7219->lock);
 278         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 279         mutex_unlock(&da7219->lock);
 280
 281         return ret;
 282 }
 283
 284 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
 285                                 struct snd_ctl_elem_value *ucontrol)
 286 {
 287         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 288         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 289         int ret;
 290
 291         mutex_lock(&da7219->lock);
 292         ret = snd_soc_get_enum_double(kcontrol, ucontrol);
 293         mutex_unlock(&da7219->lock);
 294
 295         return ret;
 296 }
 297
 298 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
 299                                 struct snd_ctl_elem_value *ucontrol)
 300 {
 301         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 302         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 303         int ret;
 304
 305         mutex_lock(&da7219->lock);
 306         ret = snd_soc_put_enum_double(kcontrol, ucontrol);
 307         mutex_unlock(&da7219->lock);
 308
 309         return ret;
 310 }
 311
 312 /* ALC */
 313 static void da7219_alc_calib(struct snd_soc_codec *codec)
 314 {
 315         u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
 316
 317         /* Save current state of mic control register */
 318         mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL);
 319
 320         /* Save current state of input mixer control register */
 321         mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL);
 322
 323         /* Save current state of input ADC control register */
 324         adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL);
 325
 326         /* Enable then Mute MIC PGAs */
 327         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
 328                             DA7219_MIC_1_AMP_EN_MASK);
 329         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL,
 330                             DA7219_MIC_1_AMP_MUTE_EN_MASK,
 331                             DA7219_MIC_1_AMP_MUTE_EN_MASK);
 332
 333         /* Enable input mixers unmuted */
 334         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
 335                             DA7219_MIXIN_L_AMP_EN_MASK |
 336                             DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
 337                             DA7219_MIXIN_L_AMP_EN_MASK);
 338
 339         /* Enable input filters unmuted */
 340         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL,
 341                             DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
 342                             DA7219_ADC_L_EN_MASK);
 343
 344         /* Perform auto calibration */
 345         snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 346                             DA7219_ALC_AUTO_CALIB_EN_MASK,
 347                             DA7219_ALC_AUTO_CALIB_EN_MASK);
 348         do {
 349                 calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1);
 350         } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
 351
 352         /* If auto calibration fails, disable DC offset, hybrid ALC */
 353         if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
 354                 dev_warn(codec->dev,
 355                          "ALC auto calibration failed with overflow\n");
 356                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 357                                     DA7219_ALC_OFFSET_EN_MASK |
 358                                     DA7219_ALC_SYNC_MODE_MASK, 0);
 359         } else {
 360                 /* Enable DC offset cancellation, hybrid mode */
 361                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
 362                                     DA7219_ALC_OFFSET_EN_MASK |
 363                                     DA7219_ALC_SYNC_MODE_MASK,
 364                                     DA7219_ALC_OFFSET_EN_MASK |
 365                                     DA7219_ALC_SYNC_MODE_MASK);
 366         }
 367
 368         /* Restore input filter control register to original state */
 369         snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl);
 370
 371         /* Restore input mixer control registers to original state */
 372         snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl);
 373
 374         /* Restore MIC control registers to original states */
 375         snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl);
 376 }
 377
 378 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
 379                                  struct snd_ctl_elem_value *ucontrol)
 380 {
 381         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 382         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 383         int ret;
 384
 385         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 386
 387         /*
 388          * If ALC in operation and value of control has been updated,
 389          * make sure calibrated offsets are updated.
 390          */
 391         if ((ret == 1) && (da7219->alc_en))
 392                 da7219_alc_calib(codec);
 393
 394         return ret;
 395 }
 396
 397 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
 398                              struct snd_ctl_elem_value *ucontrol)
 399 {
 400         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 401         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 402
 403
 404         /* Force ALC offset calibration if enabling ALC */
 405         if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
 406                 da7219_alc_calib(codec);
 407                 da7219->alc_en = true;
 408         } else {
 409                 da7219->alc_en = false;
 410         }
 411
 412         return snd_soc_put_volsw(kcontrol, ucontrol);
 413 }
 414
 415 /* ToneGen */
 416 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
 417                                    struct snd_ctl_elem_value *ucontrol)
 418 {
 419         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 420         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 421         struct soc_mixer_control *mixer_ctrl =
 422                 (struct soc_mixer_control *) kcontrol->private_value;
 423         unsigned int reg = mixer_ctrl->reg;
 424         u16 val;
 425         int ret;
 426
 427         mutex_lock(&da7219->lock);
 428         ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
 429         mutex_unlock(&da7219->lock);
 430
 431         if (ret)
 432                 return ret;
 433
 434         /*
 435          * Frequency value spans two 8-bit registers, lower then upper byte.
 436          * Therefore we need to convert to host endianness here.
 437          */
 438         ucontrol->value.integer.value[0] = le16_to_cpu(val);
 439
 440         return 0;
 441 }
 442
 443 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
 444                                    struct snd_ctl_elem_value *ucontrol)
 445 {
 446         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 447         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 448         struct soc_mixer_control *mixer_ctrl =
 449                 (struct soc_mixer_control *) kcontrol->private_value;
 450         unsigned int reg = mixer_ctrl->reg;
 451         u16 val;
 452         int ret;
 453
 454         /*
 455          * Frequency value spans two 8-bit registers, lower then upper byte.
 456          * Therefore we need to convert to little endian here to align with
 457          * HW registers.
 458          */
 459         val = cpu_to_le16(ucontrol->value.integer.value[0]);
 460
 461         mutex_lock(&da7219->lock);
 462         ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
 463         mutex_unlock(&da7219->lock);
 464
 465         return ret;
 466 }
 467
 468
 469 /*
 470  * KControls
 471  */
 472
 473 static const struct snd_kcontrol_new da7219_snd_controls[] = {
 474         /* Mics */
 475         SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
 476                        DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
 477                        DA7219_NO_INVERT, da7219_mic_gain_tlv),
 478         SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
 479                    DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 480                    DA7219_INVERT),
 481
 482         /* Mixer Input */
 483         SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
 484                            DA7219_MIXIN_L_AMP_GAIN_SHIFT,
 485                            DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
 486                            snd_soc_get_volsw, da7219_mixin_gain_put,
 487                            da7219_mixin_gain_tlv),
 488         SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
 489                    DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 490                    DA7219_INVERT),
 491         SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
 492                    DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 493                    DA7219_NO_INVERT),
 494         SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
 495                    DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 496                    DA7219_NO_INVERT),
 497
 498         /* ADC */
 499         SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
 500                        DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
 501                        DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 502                        da7219_adc_dig_gain_tlv),
 503         SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
 504                    DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 505                    DA7219_INVERT),
 506         SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
 507                    DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 508                    DA7219_NO_INVERT),
 509
 510         /* ALC */
 511         SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
 512         SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
 513         SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
 514         SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
 515         SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
 516         SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
 517                        DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 518                        DA7219_INVERT, da7219_alc_threshold_tlv),
 519         SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
 520                        DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 521                        DA7219_INVERT, da7219_alc_threshold_tlv),
 522         SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
 523                        DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
 524                        DA7219_INVERT, da7219_alc_threshold_tlv),
 525         SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
 526                        DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 527                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 528         SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
 529                        DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
 530                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
 531         SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 532                              DA7219_ALC_ANA_GAIN_MIN_SHIFT,
 533                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 534                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 535         SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
 536                              DA7219_ALC_ANA_GAIN_MAX_SHIFT,
 537                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
 538                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
 539         SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
 540         SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
 541                    DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 542                    DA7219_NO_INVERT),
 543         SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
 544                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
 545                        snd_soc_get_volsw, da7219_alc_sw_put),
 546
 547         /* Input High-Pass Filters */
 548         SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
 549         SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
 550         SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
 551
 552         /* Sidetone Filter */
 553         SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
 554                        DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
 555                        DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
 556         SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
 557                    DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 558                    DA7219_INVERT),
 559
 560         /* Tone Generator */
 561         SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
 562                            DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
 563                            DA7219_NO_INVERT, da7219_volsw_locked_get,
 564                            da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
 565         SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
 566                      da7219_enum_locked_get, da7219_enum_locked_put),
 567         SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
 568                        DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 569                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 570                        da7219_volsw_locked_put),
 571         SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
 572                      da7219_enum_locked_get, da7219_enum_locked_put),
 573         SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
 574                        DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 575                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 576         SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
 577                        DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
 578                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
 579         SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
 580                        DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 581                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 582                        da7219_volsw_locked_put),
 583         SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
 584                    DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
 585                    DA7219_NO_INVERT),
 586
 587         /* Gain ramping */
 588         SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
 589
 590         /* DAC High-Pass Filter */
 591         SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
 592                      da7219_enum_locked_get, da7219_enum_locked_put),
 593         SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
 594         SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
 595
 596         /* DAC 5-Band Equaliser */
 597         SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
 598                        DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 599                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 600         SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
 601                        DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 602                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 603         SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
 604                        DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 605                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 606         SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
 607                        DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 608                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 609         SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
 610                        DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
 611                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
 612         SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
 613                        DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 614                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 615                        da7219_volsw_locked_put),
 616
 617         /* DAC Softmute */
 618         SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
 619         SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
 620                        DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 621                        DA7219_NO_INVERT, da7219_volsw_locked_get,
 622                        da7219_volsw_locked_put),
 623
 624         /* DAC Noise Gate */
 625         SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
 626         SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
 627         SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
 628         SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
 629                        DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
 630                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 631                        da7219_dac_ng_threshold_tlv),
 632         SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
 633                        DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
 634                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
 635                        da7219_dac_ng_threshold_tlv),
 636         SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
 637                    DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 638
 639         /* DACs */
 640         SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
 641                              DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
 642                              DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
 643                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 644                              da7219_dac_dig_gain_tlv),
 645         SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
 646                          DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
 647                          DA7219_SWITCH_EN_MAX, DA7219_INVERT,
 648                          da7219_volsw_locked_get, da7219_volsw_locked_put),
 649         SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
 650                      DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
 651                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 652
 653         /* CP */
 654         SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
 655         SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
 656                    DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
 657                    DA7219_NO_INVERT),
 658
 659         /* Headphones */
 660         SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
 661                              DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
 662                              DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
 663                              da7219_volsw_locked_get, da7219_volsw_locked_put,
 664                              da7219_hp_gain_tlv),
 665         SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
 666                          DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
 667                          DA7219_INVERT, da7219_volsw_locked_get,
 668                          da7219_volsw_locked_put),
 669         SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
 670                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
 671                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 672         SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
 673                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
 674                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 675 };
 676
 677
 678 /*
 679  * DAPM Mux Controls
 680  */
 681
 682 static const char * const da7219_out_sel_txt[] = {
 683         "ADC", "Tone Generator", "DAIL", "DAIR"
 684 };
 685
 686 static const struct soc_enum da7219_out_dail_sel =
 687         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 688                         DA7219_DAI_L_SRC_SHIFT,
 689                         DA7219_OUT_SRC_MAX,
 690                         da7219_out_sel_txt);
 691
 692 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
 693         SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
 694
 695 static const struct soc_enum da7219_out_dair_sel =
 696         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
 697                         DA7219_DAI_R_SRC_SHIFT,
 698                         DA7219_OUT_SRC_MAX,
 699                         da7219_out_sel_txt);
 700
 701 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
 702         SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
 703
 704 static const struct soc_enum da7219_out_dacl_sel =
 705         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 706                         DA7219_DAC_L_SRC_SHIFT,
 707                         DA7219_OUT_SRC_MAX,
 708                         da7219_out_sel_txt);
 709
 710 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
 711         SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
 712
 713 static const struct soc_enum da7219_out_dacr_sel =
 714         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
 715                         DA7219_DAC_R_SRC_SHIFT,
 716                         DA7219_OUT_SRC_MAX,
 717                         da7219_out_sel_txt);
 718
 719 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
 720         SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
 721
 722
 723 /*
 724  * DAPM Mixer Controls
 725  */
 726
 727 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
 728         SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
 729                         DA7219_MIXIN_L_MIX_SELECT_SHIFT,
 730                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 731 };
 732
 733 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
 734         SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
 735                         DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
 736                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 737 };
 738
 739 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
 740         SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
 741                         DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
 742                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
 743 };
 744
 745 #define DA7219_DMIX_ST_CTRLS(reg)                                       \
 746         SOC_DAPM_SINGLE("Out FilterL Switch", reg,                      \
 747                         DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,             \
 748                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 749         SOC_DAPM_SINGLE("Out FilterR Switch", reg,                      \
 750                         DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,             \
 751                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
 752         SOC_DAPM_SINGLE("Sidetone Switch", reg,                         \
 753                         DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,              \
 754                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)         \
 755
 756 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
 757         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
 758 };
 759
 760 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
 761         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
 762 };
 763
 764
 765 /*
 766  * DAPM Events
 767  */
 768
 769 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
 770                             struct snd_kcontrol *kcontrol, int event)
 771 {
 772         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 773         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
 774         u8 pll_ctrl, pll_status;
 775         int i = 0;
 776         bool srm_lock = false;
 777
 778         switch (event) {
 779         case SND_SOC_DAPM_PRE_PMU:
 780                 if (da7219->master)
 781                         /* Enable DAI clks for master mode */
 782                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
 783                                             DA7219_DAI_CLK_EN_MASK,
 784                                             DA7219_DAI_CLK_EN_MASK);
 785
 786                 /* PC synchronised to DAI */
 787                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
 788                                     DA7219_PC_FREERUN_MASK, 0);
 789
 790                 /* Slave mode, if SRM not enabled no need for status checks */
 791                 pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL);
 792                 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
 793                         return 0;
 794
 795                 /* Check SRM has locked */
 796                 do {
 797                         pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS);
 798                         if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
 799                                 srm_lock = true;
 800                         } else {
 801                                 ++i;
 802                                 msleep(50);
 803                         }
 804                 } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
 805
 806                 if (!srm_lock)
 807                         dev_warn(codec->dev, "SRM failed to lock\n");
 808
 809                 return 0;
 810         case SND_SOC_DAPM_POST_PMD:
 811                 /* PC free-running */
 812                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
 813                                     DA7219_PC_FREERUN_MASK,
 814                                     DA7219_PC_FREERUN_MASK);
 815
 816                 /* Disable DAI clks if in master mode */
 817                 if (da7219->master)
 818                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
 819                                             DA7219_DAI_CLK_EN_MASK, 0);
 820                 return 0;
 821         default:
 822                 return -EINVAL;
 823         }
 824 }
 825
 826
 827 /*
 828  * DAPM Widgets
 829  */
 830
 831 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
 832         /* Input Supplies */
 833         SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
 834                             DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
 835                             NULL, 0),
 836
 837         /* Inputs */
 838         SND_SOC_DAPM_INPUT("MIC"),
 839
 840         /* Input PGAs */
 841         SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL,
 842                          DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
 843                          NULL, 0),
 844         SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL,
 845                          DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 846                          NULL, 0),
 847
 848         /* Input Filters */
 849         SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
 850                          DA7219_NO_INVERT),
 851
 852         /* Tone Generator */
 853         SND_SOC_DAPM_SIGGEN("TONE"),
 854         SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
 855                          DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 856
 857         /* Sidetone Input */
 858         SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
 859                          DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
 860
 861         /* Input Mixer Supply */
 862         SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
 863                             DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
 864                             NULL, 0),
 865
 866         /* Input Mixer */
 867         SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
 868                            da7219_mixin_controls,
 869                            ARRAY_SIZE(da7219_mixin_controls)),
 870
 871         /* Input Muxes */
 872         SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
 873                          &da7219_out_dail_sel_mux),
 874         SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
 875                          &da7219_out_dair_sel_mux),
 876
 877         /* DAI Supply */
 878         SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
 879                             DA7219_NO_INVERT, da7219_dai_event,
 880                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 881
 882         /* DAI */
 883         SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
 884                              DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
 885         SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
 886
 887         /* Output Muxes */
 888         SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
 889                          &da7219_out_dacl_sel_mux),
 890         SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
 891                          &da7219_out_dacr_sel_mux),
 892
 893         /* Output Mixers */
 894         SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
 895                            da7219_mixout_l_controls,
 896                            ARRAY_SIZE(da7219_mixout_l_controls)),
 897         SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
 898                            da7219_mixout_r_controls,
 899                            ARRAY_SIZE(da7219_mixout_r_controls)),
 900
 901         /* Sidetone Mixers */
 902         SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
 903                            da7219_st_out_filtl_mix_controls,
 904                            ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
 905         SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
 906                            0, da7219_st_out_filtr_mix_controls,
 907                            ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
 908
 909         /* DACs */
 910         SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT,
 911                          DA7219_NO_INVERT),
 912         SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT,
 913                          DA7219_NO_INVERT),
 914
 915         /* Output PGAs */
 916         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
 917                          DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
 918                          NULL, 0),
 919         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
 920                          DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
 921                          NULL, 0),
 922         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL,
 923                          DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 924         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL,
 925                          DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
 926
 927         /* Output Supplies */
 928         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT,
 929                             DA7219_NO_INVERT, NULL, 0),
 930
 931         /* Outputs */
 932         SND_SOC_DAPM_OUTPUT("HPL"),
 933         SND_SOC_DAPM_OUTPUT("HPR"),
 934 };
 935
 936
 937 /*
 938  * DAPM Mux Routes
 939  */
 940
 941 #define DA7219_OUT_DAI_MUX_ROUTES(name)                 \
 942         {name, "ADC", "Mixer In"},                      \
 943         {name, "Tone Generator", "Tone Generator"},     \
 944         {name, "DAIL", "DAIOUT"},                       \
 945         {name, "DAIR", "DAIOUT"}
 946
 947 #define DA7219_OUT_DAC_MUX_ROUTES(name)                 \
 948         {name, "ADC", "Mixer In"},                      \
 949         {name, "Tone Generator", "Tone Generator"},             \
 950         {name, "DAIL", "DAIIN"},                        \
 951         {name, "DAIR", "DAIIN"}
 952
 953 /*
 954  * DAPM Mixer Routes
 955  */
 956
 957 #define DA7219_DMIX_ST_ROUTES(name)                             \
 958         {name, "Out FilterL Switch", "Mixer Out FilterL"},      \
 959         {name, "Out FilterR Switch", "Mixer Out FilterR"},      \
 960         {name, "Sidetone Switch", "Sidetone Filter"}
 961
 962
 963 /*
 964  * DAPM audio route definition
 965  */
 966
 967 static const struct snd_soc_dapm_route da7219_audio_map[] = {
 968         /* Input paths */
 969         {"MIC", NULL, "Mic Bias"},
 970         {"Mic PGA", NULL, "MIC"},
 971         {"Mixin PGA", NULL, "Mic PGA"},
 972         {"ADC", NULL, "Mixin PGA"},
 973
 974         {"Mixer In", NULL, "Mixer In Supply"},
 975         {"Mixer In", "Mic Switch", "ADC"},
 976
 977         {"Sidetone Filter", NULL, "Mixer In"},
 978
 979         {"Tone Generator", NULL, "TONE"},
 980
 981         DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
 982         DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
 983
 984         {"DAIOUT", NULL, "Out DAIL Mux"},
 985         {"DAIOUT", NULL, "Out DAIR Mux"},
 986         {"DAIOUT", NULL, "DAI"},
 987
 988         /* Output paths */
 989         {"DAIIN", NULL, "DAI"},
 990
 991         DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
 992         DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
 993
 994         {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
 995         {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
 996
 997         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
 998         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
 999
1000         {"DACL", NULL, "ST Mixer Out FilterL"},
1001         {"DACR", NULL, "ST Mixer Out FilterR"},
1002
1003         {"Mixout Left PGA", NULL, "DACL"},
1004         {"Mixout Right PGA", NULL, "DACR"},
1005
1006         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1007         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1008
1009         {"HPL", NULL, "Headphone Left PGA"},
1010         {"HPR", NULL, "Headphone Right PGA"},
1011
1012         {"HPL", NULL, "Charge Pump"},
1013         {"HPR", NULL, "Charge Pump"},
1014 };
1015
1016
1017 /*
1018  * DAI operations
1019  */
1020
1021 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1022                                  int clk_id, unsigned int freq, int dir)
1023 {
1024         struct snd_soc_codec *codec = codec_dai->codec;
1025         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1026         int ret = 0;
1027
1028         if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1029                 return 0;
1030
1031         if ((freq < 2000000) || (freq > 54000000)) {
1032                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1033                         freq);
1034                 return -EINVAL;
1035         }
1036
1037         switch (clk_id) {
1038         case DA7219_CLKSRC_MCLK_SQR:
1039                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1040                                     DA7219_PLL_MCLK_SQR_EN_MASK,
1041                                     DA7219_PLL_MCLK_SQR_EN_MASK);
1042                 break;
1043         case DA7219_CLKSRC_MCLK:
1044                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1045                                     DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1046                 break;
1047         default:
1048                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1049                 return -EINVAL;
1050         }
1051
1052         da7219->clk_src = clk_id;
1053
1054         if (da7219->mclk) {
1055                 freq = clk_round_rate(da7219->mclk, freq);
1056                 ret = clk_set_rate(da7219->mclk, freq);
1057                 if (ret) {
1058                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1059                                 freq);
1060                         return ret;
1061                 }
1062         }
1063
1064         da7219->mclk_rate = freq;
1065
1066         return 0;
1067 }
1068
1069 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1070                               int source, unsigned int fref, unsigned int fout)
1071 {
1072         struct snd_soc_codec *codec = codec_dai->codec;
1073         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1074
1075         u8 pll_ctrl, indiv_bits, indiv;
1076         u8 pll_frac_top, pll_frac_bot, pll_integer;
1077         u32 freq_ref;
1078         u64 frac_div;
1079
1080         /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1081         if (da7219->mclk_rate < 2000000) {
1082                 dev_err(codec->dev, "PLL input clock %d below valid range\n",
1083                         da7219->mclk_rate);
1084                 return -EINVAL;
1085         } else if (da7219->mclk_rate <= 4500000) {
1086                 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1087                 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1088         } else if (da7219->mclk_rate <= 9000000) {
1089                 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1090                 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1091         } else if (da7219->mclk_rate <= 18000000) {
1092                 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1093                 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1094         } else if (da7219->mclk_rate <= 36000000) {
1095                 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1096                 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1097         } else if (da7219->mclk_rate <= 54000000) {
1098                 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1099                 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1100         } else {
1101                 dev_err(codec->dev, "PLL input clock %d above valid range\n",
1102                         da7219->mclk_rate);
1103                 return -EINVAL;
1104         }
1105         freq_ref = (da7219->mclk_rate / indiv);
1106         pll_ctrl = indiv_bits;
1107
1108         /* Configure PLL */
1109         switch (source) {
1110         case DA7219_SYSCLK_MCLK:
1111                 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1112                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1113                                     DA7219_PLL_INDIV_MASK |
1114                                     DA7219_PLL_MODE_MASK, pll_ctrl);
1115                 return 0;
1116         case DA7219_SYSCLK_PLL:
1117                 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1118                 break;
1119         case DA7219_SYSCLK_PLL_SRM:
1120                 pll_ctrl |= DA7219_PLL_MODE_SRM;
1121                 break;
1122         default:
1123                 dev_err(codec->dev, "Invalid PLL config\n");
1124                 return -EINVAL;
1125         }
1126
1127         /* Calculate dividers for PLL */
1128         pll_integer = fout / freq_ref;
1129         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1130         do_div(frac_div, freq_ref);
1131         pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1132         pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1133
1134         /* Write PLL config & dividers */
1135         snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top);
1136         snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1137         snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer);
1138         snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1139                             DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1140                             pll_ctrl);
1141
1142         return 0;
1143 }
1144
1145 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1146 {
1147         struct snd_soc_codec *codec = codec_dai->codec;
1148         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1149         u8 dai_clk_mode = 0, dai_ctrl = 0;
1150
1151         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1152         case SND_SOC_DAIFMT_CBM_CFM:
1153                 da7219->master = true;
1154                 break;
1155         case SND_SOC_DAIFMT_CBS_CFS:
1156                 da7219->master = false;
1157                 break;
1158         default:
1159                 return -EINVAL;
1160         }
1161
1162         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1163         case SND_SOC_DAIFMT_I2S:
1164         case SND_SOC_DAIFMT_LEFT_J:
1165         case SND_SOC_DAIFMT_RIGHT_J:
1166                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1167                 case SND_SOC_DAIFMT_NB_NF:
1168                         break;
1169                 case SND_SOC_DAIFMT_NB_IF:
1170                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1171                         break;
1172                 case SND_SOC_DAIFMT_IB_NF:
1173                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1174                         break;
1175                 case SND_SOC_DAIFMT_IB_IF:
1176                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1177                                         DA7219_DAI_CLK_POL_INV;
1178                         break;
1179                 default:
1180                         return -EINVAL;
1181                 }
1182                 break;
1183         case SND_SOC_DAIFMT_DSP_B:
1184                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1185                 case SND_SOC_DAIFMT_NB_NF:
1186                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1187                         break;
1188                 case SND_SOC_DAIFMT_NB_IF:
1189                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1190                                         DA7219_DAI_CLK_POL_INV;
1191                         break;
1192                 case SND_SOC_DAIFMT_IB_NF:
1193                         break;
1194                 case SND_SOC_DAIFMT_IB_IF:
1195                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1196                         break;
1197                 default:
1198                         return -EINVAL;
1199                 }
1200                 break;
1201         default:
1202                 return -EINVAL;
1203         }
1204
1205         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1206         case SND_SOC_DAIFMT_I2S:
1207                 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1208                 break;
1209         case SND_SOC_DAIFMT_LEFT_J:
1210                 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1211                 break;
1212         case SND_SOC_DAIFMT_RIGHT_J:
1213                 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1214                 break;
1215         case SND_SOC_DAIFMT_DSP_B:
1216                 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1217                 break;
1218         default:
1219                 return -EINVAL;
1220         }
1221
1222         /* By default 64 BCLKs per WCLK is supported */
1223         dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1224
1225         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1226                             DA7219_DAI_BCLKS_PER_WCLK_MASK |
1227                             DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1228                             dai_clk_mode);
1229         snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1230                             dai_ctrl);
1231
1232         return 0;
1233 }
1234
1235 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1236                                    unsigned int tx_mask, unsigned int rx_mask,
1237                                    int slots, int slot_width)
1238 {
1239         struct snd_soc_codec *codec = dai->codec;
1240         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1241         u8 dai_bclks_per_wclk;
1242         u16 offset;
1243         u32 frame_size;
1244
1245         /* No channels enabled so disable TDM, revert to 64-bit frames */
1246         if (!tx_mask) {
1247                 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1248                                     DA7219_DAI_TDM_CH_EN_MASK |
1249                                     DA7219_DAI_TDM_MODE_EN_MASK, 0);
1250                 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1251                                     DA7219_DAI_BCLKS_PER_WCLK_MASK,
1252                                     DA7219_DAI_BCLKS_PER_WCLK_64);
1253                 return 0;
1254         }
1255
1256         /* Check we have valid slots */
1257         if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1258                 dev_err(codec->dev, "Invalid number of slots, max = %d\n",
1259                         DA7219_DAI_TDM_MAX_SLOTS);
1260                 return -EINVAL;
1261         }
1262
1263         /* Check we have a valid offset given */
1264         if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1265                 dev_err(codec->dev, "Invalid slot offset, max = %d\n",
1266                         DA7219_DAI_OFFSET_MAX);
1267                 return -EINVAL;
1268         }
1269
1270         /* Calculate & validate frame size based on slot info provided. */
1271         frame_size = slots * slot_width;
1272         switch (frame_size) {
1273         case 32:
1274                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1275                 break;
1276         case 64:
1277                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1278                 break;
1279         case 128:
1280                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1281                 break;
1282         case 256:
1283                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1284                 break;
1285         default:
1286                 dev_err(codec->dev, "Invalid frame size %d\n", frame_size);
1287                 return -EINVAL;
1288         }
1289
1290         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1291                             DA7219_DAI_BCLKS_PER_WCLK_MASK,
1292                             dai_bclks_per_wclk);
1293
1294         offset = cpu_to_le16(rx_mask);
1295         regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1296                           &offset, sizeof(offset));
1297
1298         snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1299                             DA7219_DAI_TDM_CH_EN_MASK |
1300                             DA7219_DAI_TDM_MODE_EN_MASK,
1301                             (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1302                             DA7219_DAI_TDM_MODE_EN_MASK);
1303
1304         return 0;
1305 }
1306
1307 static int da7219_hw_params(struct snd_pcm_substream *substream,
1308                             struct snd_pcm_hw_params *params,
1309                             struct snd_soc_dai *dai)
1310 {
1311         struct snd_soc_codec *codec = dai->codec;
1312         u8 dai_ctrl = 0, fs;
1313         unsigned int channels;
1314
1315         switch (params_width(params)) {
1316         case 16:
1317                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1318                 break;
1319         case 20:
1320                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1321                 break;
1322         case 24:
1323                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1324                 break;
1325         case 32:
1326                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1327                 break;
1328         default:
1329                 return -EINVAL;
1330         }
1331
1332         channels = params_channels(params);
1333         if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1334                 dev_err(codec->dev,
1335                         "Invalid number of channels, only 1 to %d supported\n",
1336                         DA7219_DAI_CH_NUM_MAX);
1337                 return -EINVAL;
1338         }
1339         dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1340
1341         switch (params_rate(params)) {
1342         case 8000:
1343                 fs = DA7219_SR_8000;
1344                 break;
1345         case 11025:
1346                 fs = DA7219_SR_11025;
1347                 break;
1348         case 12000:
1349                 fs = DA7219_SR_12000;
1350                 break;
1351         case 16000:
1352                 fs = DA7219_SR_16000;
1353                 break;
1354         case 22050:
1355                 fs = DA7219_SR_22050;
1356                 break;
1357         case 24000:
1358                 fs = DA7219_SR_24000;
1359                 break;
1360         case 32000:
1361                 fs = DA7219_SR_32000;
1362                 break;
1363         case 44100:
1364                 fs = DA7219_SR_44100;
1365                 break;
1366         case 48000:
1367                 fs = DA7219_SR_48000;
1368                 break;
1369         case 88200:
1370                 fs = DA7219_SR_88200;
1371                 break;
1372         case 96000:
1373                 fs = DA7219_SR_96000;
1374                 break;
1375         default:
1376                 return -EINVAL;
1377         }
1378
1379         snd_soc_update_bits(codec, DA7219_DAI_CTRL,
1380                             DA7219_DAI_WORD_LENGTH_MASK |
1381                             DA7219_DAI_CH_NUM_MASK,
1382                             dai_ctrl);
1383         snd_soc_write(codec, DA7219_SR, fs);
1384
1385         return 0;
1386 }
1387
1388 static const struct snd_soc_dai_ops da7219_dai_ops = {
1389         .hw_params      = da7219_hw_params,
1390         .set_sysclk     = da7219_set_dai_sysclk,
1391         .set_pll        = da7219_set_dai_pll,
1392         .set_fmt        = da7219_set_dai_fmt,
1393         .set_tdm_slot   = da7219_set_dai_tdm_slot,
1394 };
1395
1396 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1397                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1398
1399 static struct snd_soc_dai_driver da7219_dai = {
1400         .name = "da7219-hifi",
1401         .playback = {
1402                 .stream_name = "Playback",
1403                 .channels_min = 1,
1404                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1405                 .rates = SNDRV_PCM_RATE_8000_96000,
1406                 .formats = DA7219_FORMATS,
1407         },
1408         .capture = {
1409                 .stream_name = "Capture",
1410                 .channels_min = 1,
1411                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1412                 .rates = SNDRV_PCM_RATE_8000_96000,
1413                 .formats = DA7219_FORMATS,
1414         },
1415         .ops = &da7219_dai_ops,
1416         .symmetric_rates = 1,
1417         .symmetric_channels = 1,
1418         .symmetric_samplebits = 1,
1419 };
1420
1421
1422 /*
1423  * DT/ACPI
1424  */
1425
1426 static const struct of_device_id da7219_of_match[] = {
1427         { .compatible = "dlg,da7219", },
1428         { }
1429 };
1430 MODULE_DEVICE_TABLE(of, da7219_of_match);
1431
1432 static const struct acpi_device_id da7219_acpi_match[] = {
1433         { .id = "DLGS7219", },
1434         { }
1435 };
1436 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1437
1438 static enum da7219_micbias_voltage
1439         da7219_fw_micbias_lvl(struct device *dev, u32 val)
1440 {
1441         switch (val) {
1442         case 1600:
1443                 return DA7219_MICBIAS_1_6V;
1444         case 1800:
1445                 return DA7219_MICBIAS_1_8V;
1446         case 2000:
1447                 return DA7219_MICBIAS_2_0V;
1448         case 2200:
1449                 return DA7219_MICBIAS_2_2V;
1450         case 2400:
1451                 return DA7219_MICBIAS_2_4V;
1452         case 2600:
1453                 return DA7219_MICBIAS_2_6V;
1454         default:
1455                 dev_warn(dev, "Invalid micbias level");
1456                 return DA7219_MICBIAS_2_2V;
1457         }
1458 }
1459
1460 static enum da7219_mic_amp_in_sel
1461         da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1462 {
1463         if (!strcmp(str, "diff")) {
1464                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1465         } else if (!strcmp(str, "se_p")) {
1466                 return DA7219_MIC_AMP_IN_SEL_SE_P;
1467         } else if (!strcmp(str, "se_n")) {
1468                 return DA7219_MIC_AMP_IN_SEL_SE_N;
1469         } else {
1470                 dev_warn(dev, "Invalid mic input type selection");
1471                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1472         }
1473 }
1474
1475 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_codec *codec)
1476 {
1477         struct device *dev = codec->dev;
1478         struct da7219_pdata *pdata;
1479         const char *of_str;
1480         u32 of_val32;
1481
1482         pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1483         if (!pdata)
1484                 return NULL;
1485
1486         pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1487
1488         if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1489                 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1490         else
1491                 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1492
1493         if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1494                 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1495         else
1496                 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1497
1498         return pdata;
1499 }
1500
1501
1502 /*
1503  * Codec driver functions
1504  */
1505
1506 static int da7219_set_bias_level(struct snd_soc_codec *codec,
1507                                  enum snd_soc_bias_level level)
1508 {
1509         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1510         int ret;
1511
1512         switch (level) {
1513         case SND_SOC_BIAS_ON:
1514                 break;
1515         case SND_SOC_BIAS_PREPARE:
1516                 /* Enable MCLK for transition to ON state */
1517                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
1518                         if (da7219->mclk) {
1519                                 ret = clk_prepare_enable(da7219->mclk);
1520                                 if (ret) {
1521                                         dev_err(codec->dev,
1522                                                 "Failed to enable mclk\n");
1523                                         return ret;
1524                                 }
1525                         }
1526                 }
1527
1528                 break;
1529         case SND_SOC_BIAS_STANDBY:
1530                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF)
1531                         /* Master bias */
1532                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1533                                             DA7219_BIAS_EN_MASK,
1534                                             DA7219_BIAS_EN_MASK);
1535
1536                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_PREPARE) {
1537                         /* Remove MCLK */
1538                         if (da7219->mclk)
1539                                 clk_disable_unprepare(da7219->mclk);
1540                 }
1541                 break;
1542         case SND_SOC_BIAS_OFF:
1543                 /* Only disable master bias if we're not a wake-up source */
1544                 if (!da7219->wakeup_source)
1545                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1546                                             DA7219_BIAS_EN_MASK, 0);
1547
1548                 break;
1549         }
1550
1551         return 0;
1552 }
1553
1554 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1555         [DA7219_SUPPLY_VDD] = "VDD",
1556         [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1557         [DA7219_SUPPLY_VDDIO] = "VDDIO",
1558 };
1559
1560 static int da7219_handle_supplies(struct snd_soc_codec *codec)
1561 {
1562         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1563         struct regulator *vddio;
1564         u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1565         int i, ret;
1566
1567         /* Get required supplies */
1568         for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1569                 da7219->supplies[i].supply = da7219_supply_names[i];
1570
1571         ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES,
1572                                       da7219->supplies);
1573         if (ret) {
1574                 dev_err(codec->dev, "Failed to get supplies");
1575                 return ret;
1576         }
1577
1578         /* Determine VDDIO voltage provided */
1579         vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1580         ret = regulator_get_voltage(vddio);
1581         if (ret < 1200000)
1582                 dev_warn(codec->dev, "Invalid VDDIO voltage\n");
1583         else if (ret < 2800000)
1584                 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1585
1586         /* Enable main supplies */
1587         ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1588         if (ret) {
1589                 dev_err(codec->dev, "Failed to enable supplies");
1590                 return ret;
1591         }
1592
1593         /* Ensure device in active mode */
1594         snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1595
1596         /* Update IO voltage level range */
1597         snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl);
1598
1599         return 0;
1600 }
1601
1602 static void da7219_handle_pdata(struct snd_soc_codec *codec)
1603 {
1604         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1605         struct da7219_pdata *pdata = da7219->pdata;
1606
1607         if (pdata) {
1608                 u8 micbias_lvl = 0;
1609
1610                 da7219->wakeup_source = pdata->wakeup_source;
1611
1612                 /* Mic Bias voltages */
1613                 switch (pdata->micbias_lvl) {
1614                 case DA7219_MICBIAS_1_6V:
1615                 case DA7219_MICBIAS_1_8V:
1616                 case DA7219_MICBIAS_2_0V:
1617                 case DA7219_MICBIAS_2_2V:
1618                 case DA7219_MICBIAS_2_4V:
1619                 case DA7219_MICBIAS_2_6V:
1620                         micbias_lvl |= (pdata->micbias_lvl <<
1621                                         DA7219_MICBIAS1_LEVEL_SHIFT);
1622                         break;
1623                 }
1624
1625                 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl);
1626
1627                 /* Mic */
1628                 switch (pdata->mic_amp_in_sel) {
1629                 case DA7219_MIC_AMP_IN_SEL_DIFF:
1630                 case DA7219_MIC_AMP_IN_SEL_SE_P:
1631                 case DA7219_MIC_AMP_IN_SEL_SE_N:
1632                         snd_soc_write(codec, DA7219_MIC_1_SELECT,
1633                                       pdata->mic_amp_in_sel);
1634                         break;
1635                 }
1636         }
1637 }
1638
1639 static struct reg_sequence da7219_rev_aa_patch[] = {
1640         { DA7219_REFERENCES, 0x08 },
1641 };
1642
1643 static int da7219_probe(struct snd_soc_codec *codec)
1644 {
1645         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1646         unsigned int rev;
1647         int ret;
1648
1649         mutex_init(&da7219->lock);
1650
1651         /* Regulator configuration */
1652         ret = da7219_handle_supplies(codec);
1653         if (ret)
1654                 return ret;
1655
1656         ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1657         if (ret) {
1658                 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret);
1659                 goto err_disable_reg;
1660         }
1661
1662         switch (rev & DA7219_CHIP_MINOR_MASK) {
1663         case 0:
1664                 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1665                                             ARRAY_SIZE(da7219_rev_aa_patch));
1666                 if (ret) {
1667                         dev_err(codec->dev, "Failed to register AA patch: %d\n",
1668                                 ret);
1669                         goto err_disable_reg;
1670                 }
1671                 break;
1672         default:
1673                 break;
1674         }
1675
1676         /* Handle DT/ACPI/Platform data */
1677         da7219->pdata = dev_get_platdata(codec->dev);
1678         if (!da7219->pdata)
1679                 da7219->pdata = da7219_fw_to_pdata(codec);
1680
1681         da7219_handle_pdata(codec);
1682
1683         /* Check if MCLK provided */
1684         da7219->mclk = devm_clk_get(codec->dev, "mclk");
1685         if (IS_ERR(da7219->mclk)) {
1686                 if (PTR_ERR(da7219->mclk) != -ENOENT) {
1687                         ret = PTR_ERR(da7219->mclk);
1688                         goto err_disable_reg;
1689                 } else {
1690                         da7219->mclk = NULL;
1691                 }
1692         }
1693
1694         /* Default PC counter to free-running */
1695         snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1696                             DA7219_PC_FREERUN_MASK);
1697
1698         /* Default gain ramping */
1699         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
1700                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1701                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1702         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1703                             DA7219_ADC_L_RAMP_EN_MASK);
1704         snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1705                             DA7219_DAC_L_RAMP_EN_MASK);
1706         snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1707                             DA7219_DAC_R_RAMP_EN_MASK);
1708         snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
1709                             DA7219_HP_L_AMP_RAMP_EN_MASK,
1710                             DA7219_HP_L_AMP_RAMP_EN_MASK);
1711         snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
1712                             DA7219_HP_R_AMP_RAMP_EN_MASK,
1713                             DA7219_HP_R_AMP_RAMP_EN_MASK);
1714
1715         /* Default infinite tone gen, start/stop by Kcontrol */
1716         snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1717
1718         /* Initialise AAD block */
1719         ret = da7219_aad_init(codec);
1720         if (ret)
1721                 goto err_disable_reg;
1722
1723         return 0;
1724
1725 err_disable_reg:
1726         regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1727
1728         return ret;
1729 }
1730
1731 static int da7219_remove(struct snd_soc_codec *codec)
1732 {
1733         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1734
1735         da7219_aad_exit(codec);
1736
1737         /* Supplies */
1738         return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1739 }
1740
1741 #ifdef CONFIG_PM
1742 static int da7219_suspend(struct snd_soc_codec *codec)
1743 {
1744         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1745
1746         /* Suspend AAD if we're not a wake-up source */
1747         if (!da7219->wakeup_source)
1748                 da7219_aad_suspend(codec);
1749
1750         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
1751
1752         return 0;
1753 }
1754
1755 static int da7219_resume(struct snd_soc_codec *codec)
1756 {
1757         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1758
1759         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1760
1761         /* Resume AAD if previously suspended */
1762         if (!da7219->wakeup_source)
1763                 da7219_aad_resume(codec);
1764
1765         return 0;
1766 }
1767 #else
1768 #define da7219_suspend NULL
1769 #define da7219_resume NULL
1770 #endif
1771
1772 static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
1773         .probe                  = da7219_probe,
1774         .remove                 = da7219_remove,
1775         .suspend                = da7219_suspend,
1776         .resume                 = da7219_resume,
1777         .set_bias_level         = da7219_set_bias_level,
1778
1779         .component_driver = {
1780                 .controls               = da7219_snd_controls,
1781                 .num_controls           = ARRAY_SIZE(da7219_snd_controls),
1782                 .dapm_widgets           = da7219_dapm_widgets,
1783                 .num_dapm_widgets       = ARRAY_SIZE(da7219_dapm_widgets),
1784                 .dapm_routes            = da7219_audio_map,
1785                 .num_dapm_routes        = ARRAY_SIZE(da7219_audio_map),
1786         },
1787 };
1788
1789
1790 /*
1791  * Regmap configs
1792  */
1793
1794 static struct reg_default da7219_reg_defaults[] = {
1795         { DA7219_MIC_1_SELECT, 0x00 },
1796         { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
1797         { DA7219_SR_24_48, 0x00 },
1798         { DA7219_SR, 0x0A },
1799         { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
1800         { DA7219_PLL_CTRL, 0x10 },
1801         { DA7219_PLL_FRAC_TOP, 0x00 },
1802         { DA7219_PLL_FRAC_BOT, 0x00 },
1803         { DA7219_PLL_INTEGER, 0x20 },
1804         { DA7219_DIG_ROUTING_DAI, 0x10 },
1805         { DA7219_DAI_CLK_MODE, 0x01 },
1806         { DA7219_DAI_CTRL, 0x28 },
1807         { DA7219_DAI_TDM_CTRL, 0x40 },
1808         { DA7219_DIG_ROUTING_DAC, 0x32 },
1809         { DA7219_DAI_OFFSET_LOWER, 0x00 },
1810         { DA7219_DAI_OFFSET_UPPER, 0x00 },
1811         { DA7219_REFERENCES, 0x08 },
1812         { DA7219_MIXIN_L_SELECT, 0x00 },
1813         { DA7219_MIXIN_L_GAIN, 0x03 },
1814         { DA7219_ADC_L_GAIN, 0x6F },
1815         { DA7219_ADC_FILTERS1, 0x80 },
1816         { DA7219_MIC_1_GAIN, 0x01 },
1817         { DA7219_SIDETONE_CTRL, 0x40 },
1818         { DA7219_SIDETONE_GAIN, 0x0E },
1819         { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
1820         { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
1821         { DA7219_DAC_FILTERS5, 0x00 },
1822         { DA7219_DAC_FILTERS2, 0x88 },
1823         { DA7219_DAC_FILTERS3, 0x88 },
1824         { DA7219_DAC_FILTERS4, 0x08 },
1825         { DA7219_DAC_FILTERS1, 0x80 },
1826         { DA7219_DAC_L_GAIN, 0x6F },
1827         { DA7219_DAC_R_GAIN, 0x6F },
1828         { DA7219_CP_CTRL, 0x20 },
1829         { DA7219_HP_L_GAIN, 0x39 },
1830         { DA7219_HP_R_GAIN, 0x39 },
1831         { DA7219_MIXOUT_L_SELECT, 0x00 },
1832         { DA7219_MIXOUT_R_SELECT, 0x00 },
1833         { DA7219_MICBIAS_CTRL, 0x03 },
1834         { DA7219_MIC_1_CTRL, 0x40 },
1835         { DA7219_MIXIN_L_CTRL, 0x40 },
1836         { DA7219_ADC_L_CTRL, 0x40 },
1837         { DA7219_DAC_L_CTRL, 0x40 },
1838         { DA7219_DAC_R_CTRL, 0x40 },
1839         { DA7219_HP_L_CTRL, 0x40 },
1840         { DA7219_HP_R_CTRL, 0x40 },
1841         { DA7219_MIXOUT_L_CTRL, 0x10 },
1842         { DA7219_MIXOUT_R_CTRL, 0x10 },
1843         { DA7219_CHIP_ID1, 0x23 },
1844         { DA7219_CHIP_ID2, 0x93 },
1845         { DA7219_IO_CTRL, 0x00 },
1846         { DA7219_GAIN_RAMP_CTRL, 0x00 },
1847         { DA7219_PC_COUNT, 0x02 },
1848         { DA7219_CP_VOL_THRESHOLD1, 0x0E },
1849         { DA7219_DIG_CTRL, 0x00 },
1850         { DA7219_ALC_CTRL2, 0x00 },
1851         { DA7219_ALC_CTRL3, 0x00 },
1852         { DA7219_ALC_NOISE, 0x3F },
1853         { DA7219_ALC_TARGET_MIN, 0x3F },
1854         { DA7219_ALC_TARGET_MAX, 0x00 },
1855         { DA7219_ALC_GAIN_LIMITS, 0xFF },
1856         { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
1857         { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
1858         { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
1859         { DA7219_DAC_NG_SETUP_TIME, 0x00 },
1860         { DA7219_DAC_NG_OFF_THRESH, 0x00 },
1861         { DA7219_DAC_NG_ON_THRESH, 0x00 },
1862         { DA7219_DAC_NG_CTRL, 0x00 },
1863         { DA7219_TONE_GEN_CFG1, 0x00 },
1864         { DA7219_TONE_GEN_CFG2, 0x00 },
1865         { DA7219_TONE_GEN_CYCLES, 0x00 },
1866         { DA7219_TONE_GEN_FREQ1_L, 0x55 },
1867         { DA7219_TONE_GEN_FREQ1_U, 0x15 },
1868         { DA7219_TONE_GEN_FREQ2_L, 0x00 },
1869         { DA7219_TONE_GEN_FREQ2_U, 0x40 },
1870         { DA7219_TONE_GEN_ON_PER, 0x02 },
1871         { DA7219_TONE_GEN_OFF_PER, 0x01 },
1872         { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
1873         { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
1874         { DA7219_ACCDET_CONFIG_1, 0xD6 },
1875         { DA7219_ACCDET_CONFIG_2, 0x34 },
1876         { DA7219_ACCDET_CONFIG_3, 0x0A },
1877         { DA7219_ACCDET_CONFIG_4, 0x16 },
1878         { DA7219_ACCDET_CONFIG_5, 0x21 },
1879         { DA7219_ACCDET_CONFIG_6, 0x3E },
1880         { DA7219_ACCDET_CONFIG_7, 0x01 },
1881         { DA7219_SYSTEM_ACTIVE, 0x00 },
1882 };
1883
1884 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
1885 {
1886         switch (reg) {
1887         case DA7219_MIC_1_GAIN_STATUS:
1888         case DA7219_MIXIN_L_GAIN_STATUS:
1889         case DA7219_ADC_L_GAIN_STATUS:
1890         case DA7219_DAC_L_GAIN_STATUS:
1891         case DA7219_DAC_R_GAIN_STATUS:
1892         case DA7219_HP_L_GAIN_STATUS:
1893         case DA7219_HP_R_GAIN_STATUS:
1894         case DA7219_CIF_CTRL:
1895         case DA7219_PLL_SRM_STS:
1896         case DA7219_ALC_CTRL1:
1897         case DA7219_SYSTEM_MODES_INPUT:
1898         case DA7219_SYSTEM_MODES_OUTPUT:
1899         case DA7219_ALC_OFFSET_AUTO_M_L:
1900         case DA7219_ALC_OFFSET_AUTO_U_L:
1901         case DA7219_TONE_GEN_CFG1:
1902         case DA7219_ACCDET_STATUS_A:
1903         case DA7219_ACCDET_STATUS_B:
1904         case DA7219_ACCDET_IRQ_EVENT_A:
1905         case DA7219_ACCDET_IRQ_EVENT_B:
1906         case DA7219_ACCDET_CONFIG_8:
1907         case DA7219_SYSTEM_STATUS:
1908                 return 1;
1909         default:
1910                 return 0;
1911         }
1912 }
1913
1914 static const struct regmap_config da7219_regmap_config = {
1915         .reg_bits = 8,
1916         .val_bits = 8,
1917
1918         .max_register = DA7219_SYSTEM_ACTIVE,
1919         .reg_defaults = da7219_reg_defaults,
1920         .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
1921         .volatile_reg = da7219_volatile_register,
1922         .cache_type = REGCACHE_RBTREE,
1923 };
1924
1925
1926 /*
1927  * I2C layer
1928  */
1929
1930 static int da7219_i2c_probe(struct i2c_client *i2c,
1931                             const struct i2c_device_id *id)
1932 {
1933         struct da7219_priv *da7219;
1934         unsigned int system_active, system_status;
1935         int i, ret;
1936
1937         da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
1938                               GFP_KERNEL);
1939         if (!da7219)
1940                 return -ENOMEM;
1941
1942         i2c_set_clientdata(i2c, da7219);
1943
1944         da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
1945         if (IS_ERR(da7219->regmap)) {
1946                 ret = PTR_ERR(da7219->regmap);
1947                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1948                 return ret;
1949         }
1950
1951         regcache_cache_bypass(da7219->regmap, true);
1952
1953         /* Disable audio paths if still active from previous start */
1954         regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
1955         if (system_active) {
1956                 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
1957                              DA7219_GAIN_RAMP_RATE_NOMINAL);
1958                 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
1959                 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
1960
1961                 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
1962                         regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
1963                                     &system_status);
1964                         if (!system_status)
1965                                 break;
1966
1967                         msleep(DA7219_SYS_STAT_CHECK_DELAY);
1968                 }
1969         }
1970
1971         /* Soft reset codec */
1972         regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
1973                           DA7219_ACCDET_EN_MASK, 0);
1974         regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
1975                           DA7219_CIF_REG_SOFT_RESET_MASK,
1976                           DA7219_CIF_REG_SOFT_RESET_MASK);
1977         regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
1978                           DA7219_SYSTEM_ACTIVE_MASK, 0);
1979
1980         regcache_cache_bypass(da7219->regmap, false);
1981
1982         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219,
1983                                      &da7219_dai, 1);
1984         if (ret < 0) {
1985                 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n",
1986                         ret);
1987         }
1988         return ret;
1989 }
1990
1991 static int da7219_i2c_remove(struct i2c_client *client)
1992 {
1993         snd_soc_unregister_codec(&client->dev);
1994         return 0;
1995 }
1996
1997 static const struct i2c_device_id da7219_i2c_id[] = {
1998         { "da7219", },
1999         { }
2000 };
2001 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2002
2003 static struct i2c_driver da7219_i2c_driver = {
2004         .driver = {
2005                 .name = "da7219",
2006                 .of_match_table = of_match_ptr(da7219_of_match),
2007                 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
2008         },
2009         .probe          = da7219_i2c_probe,
2010         .remove         = da7219_i2c_remove,
2011         .id_table       = da7219_i2c_id,
2012 };
2013
2014 module_i2c_driver(da7219_i2c_driver);
2015
2016 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2017 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2018 MODULE_LICENSE("GPL");