kernel/sound/soc/codecs/da7213.c

   1 /*
   2  * DA7213 ALSA SoC Codec Driver
   3  *
   4  * Copyright (c) 2013 Dialog Semiconductor
   5  *
   6  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
   7  * Based on DA9055 ALSA SoC codec driver.
   8  *
   9  * This program is free software; you can redistribute  it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  */
  14
  15 #include <linux/clk.h>
  16 #include <linux/delay.h>
  17 #include <linux/i2c.h>
  18 #include <linux/regmap.h>
  19 #include <linux/slab.h>
  20 #include <linux/module.h>
  21 #include <sound/pcm.h>
  22 #include <sound/pcm_params.h>
  23 #include <sound/soc.h>
  24 #include <sound/initval.h>
  25 #include <sound/tlv.h>
  26
  27 #include <sound/da7213.h>
  28 #include "da7213.h"
  29
  30
  31 /* Gain and Volume */
  32 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
  33         /* -54dB */
  34         0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
  35         /* -52.5dB to 15dB */
  36         0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
  37 );
  38
  39 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
  40         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  41         /* -78dB to 12dB */
  42         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
  43 );
  44
  45 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
  46         0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  47         /* 0dB to 36dB */
  48         0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
  49 );
  50
  51 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
  52 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
  53 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
  54 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
  55 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
  56 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
  57 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
  58
  59 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
  60 static const char * const da7213_voice_hpf_corner_txt[] = {
  61         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
  62 };
  63
  64 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
  65                             DA7213_DAC_FILTERS1,
  66                             DA7213_VOICE_HPF_CORNER_SHIFT,
  67                             da7213_voice_hpf_corner_txt);
  68
  69 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
  70                             DA7213_ADC_FILTERS1,
  71                             DA7213_VOICE_HPF_CORNER_SHIFT,
  72                             da7213_voice_hpf_corner_txt);
  73
  74 /* ADC and DAC high pass filter cutoff value */
  75 static const char * const da7213_audio_hpf_corner_txt[] = {
  76         "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
  77 };
  78
  79 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
  80                             DA7213_DAC_FILTERS1
  81                             , DA7213_AUDIO_HPF_CORNER_SHIFT,
  82                             da7213_audio_hpf_corner_txt);
  83
  84 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
  85                             DA7213_ADC_FILTERS1,
  86                             DA7213_AUDIO_HPF_CORNER_SHIFT,
  87                             da7213_audio_hpf_corner_txt);
  88
  89 /* Gain ramping rate value */
  90 static const char * const da7213_gain_ramp_rate_txt[] = {
  91         "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
  92         "nominal rate / 32"
  93 };
  94
  95 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
  96                             DA7213_GAIN_RAMP_CTRL,
  97                             DA7213_GAIN_RAMP_RATE_SHIFT,
  98                             da7213_gain_ramp_rate_txt);
  99
 100 /* DAC noise gate setup time value */
 101 static const char * const da7213_dac_ng_setup_time_txt[] = {
 102         "256 samples", "512 samples", "1024 samples", "2048 samples"
 103 };
 104
 105 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
 106                             DA7213_DAC_NG_SETUP_TIME,
 107                             DA7213_DAC_NG_SETUP_TIME_SHIFT,
 108                             da7213_dac_ng_setup_time_txt);
 109
 110 /* DAC noise gate rampup rate value */
 111 static const char * const da7213_dac_ng_rampup_txt[] = {
 112         "0.02 ms/dB", "0.16 ms/dB"
 113 };
 114
 115 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
 116                             DA7213_DAC_NG_SETUP_TIME,
 117                             DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
 118                             da7213_dac_ng_rampup_txt);
 119
 120 /* DAC noise gate rampdown rate value */
 121 static const char * const da7213_dac_ng_rampdown_txt[] = {
 122         "0.64 ms/dB", "20.48 ms/dB"
 123 };
 124
 125 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
 126                             DA7213_DAC_NG_SETUP_TIME,
 127                             DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
 128                             da7213_dac_ng_rampdown_txt);
 129
 130 /* DAC soft mute rate value */
 131 static const char * const da7213_dac_soft_mute_rate_txt[] = {
 132         "1", "2", "4", "8", "16", "32", "64"
 133 };
 134
 135 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
 136                             DA7213_DAC_FILTERS5,
 137                             DA7213_DAC_SOFTMUTE_RATE_SHIFT,
 138                             da7213_dac_soft_mute_rate_txt);
 139
 140 /* ALC Attack Rate select */
 141 static const char * const da7213_alc_attack_rate_txt[] = {
 142         "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
 143         "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 144 };
 145
 146 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
 147                             DA7213_ALC_CTRL2,
 148                             DA7213_ALC_ATTACK_SHIFT,
 149                             da7213_alc_attack_rate_txt);
 150
 151 /* ALC Release Rate select */
 152 static const char * const da7213_alc_release_rate_txt[] = {
 153         "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
 154         "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 155 };
 156
 157 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
 158                             DA7213_ALC_CTRL2,
 159                             DA7213_ALC_RELEASE_SHIFT,
 160                             da7213_alc_release_rate_txt);
 161
 162 /* ALC Hold Time select */
 163 static const char * const da7213_alc_hold_time_txt[] = {
 164         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
 165         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
 166         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
 167 };
 168
 169 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
 170                             DA7213_ALC_CTRL3,
 171                             DA7213_ALC_HOLD_SHIFT,
 172                             da7213_alc_hold_time_txt);
 173
 174 /* ALC Input Signal Tracking rate select */
 175 static const char * const da7213_alc_integ_rate_txt[] = {
 176         "1/4", "1/16", "1/256", "1/65536"
 177 };
 178
 179 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
 180                             DA7213_ALC_CTRL3,
 181                             DA7213_ALC_INTEG_ATTACK_SHIFT,
 182                             da7213_alc_integ_rate_txt);
 183
 184 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
 185                             DA7213_ALC_CTRL3,
 186                             DA7213_ALC_INTEG_RELEASE_SHIFT,
 187                             da7213_alc_integ_rate_txt);
 188
 189
 190 /*
 191  * Control Functions
 192  */
 193
 194 static int da7213_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
 195 {
 196         int mid_data, top_data;
 197         int sum = 0;
 198         u8 iteration;
 199
 200         for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
 201              iteration++) {
 202                 /* Select the left or right channel and capture data */
 203                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
 204
 205                 /* Select middle 8 bits for read back from data register */
 206                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
 207                               reg_val | DA7213_ALC_DATA_MIDDLE);
 208                 mid_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
 209
 210                 /* Select top 8 bits for read back from data register */
 211                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
 212                               reg_val | DA7213_ALC_DATA_TOP);
 213                 top_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
 214
 215                 sum += ((mid_data << 8) | (top_data << 16));
 216         }
 217
 218         return sum / DA7213_ALC_AVG_ITERATIONS;
 219 }
 220
 221 static void da7213_alc_calib_man(struct snd_soc_codec *codec)
 222 {
 223         u8 reg_val;
 224         int avg_left_data, avg_right_data, offset_l, offset_r;
 225
 226         /* Calculate average for Left and Right data */
 227         /* Left Data */
 228         avg_left_data = da7213_get_alc_data(codec,
 229                         DA7213_ALC_CIC_OP_CHANNEL_LEFT);
 230         /* Right Data */
 231         avg_right_data = da7213_get_alc_data(codec,
 232                          DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
 233
 234         /* Calculate DC offset */
 235         offset_l = -avg_left_data;
 236         offset_r = -avg_right_data;
 237
 238         reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
 239         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
 240         reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
 241         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
 242
 243         reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
 244         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
 245         reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
 246         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
 247
 248         /* Enable analog/digital gain mode & offset cancellation */
 249         snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 250                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 251                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 252 }
 253
 254 static void da7213_alc_calib_auto(struct snd_soc_codec *codec)
 255 {
 256         u8 alc_ctrl1;
 257
 258         /* Begin auto calibration and wait for completion */
 259         snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
 260                             DA7213_ALC_AUTO_CALIB_EN);
 261         do {
 262                 alc_ctrl1 = snd_soc_read(codec, DA7213_ALC_CTRL1);
 263         } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
 264
 265         /* If auto calibration fails, fall back to digital gain only mode */
 266         if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
 267                 dev_warn(codec->dev,
 268                          "ALC auto calibration failed with overflow\n");
 269                 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 270                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 271                                     0);
 272         } else {
 273                 /* Enable analog/digital gain mode & offset cancellation */
 274                 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 275                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 276                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 277         }
 278
 279 }
 280
 281 static void da7213_alc_calib(struct snd_soc_codec *codec)
 282 {
 283         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 284         u8 adc_l_ctrl, adc_r_ctrl;
 285         u8 mixin_l_sel, mixin_r_sel;
 286         u8 mic_1_ctrl, mic_2_ctrl;
 287
 288         /* Save current values from ADC control registers */
 289         adc_l_ctrl = snd_soc_read(codec, DA7213_ADC_L_CTRL);
 290         adc_r_ctrl = snd_soc_read(codec, DA7213_ADC_R_CTRL);
 291
 292         /* Save current values from MIXIN_L/R_SELECT registers */
 293         mixin_l_sel = snd_soc_read(codec, DA7213_MIXIN_L_SELECT);
 294         mixin_r_sel = snd_soc_read(codec, DA7213_MIXIN_R_SELECT);
 295
 296         /* Save current values from MIC control registers */
 297         mic_1_ctrl = snd_soc_read(codec, DA7213_MIC_1_CTRL);
 298         mic_2_ctrl = snd_soc_read(codec, DA7213_MIC_2_CTRL);
 299
 300         /* Enable ADC Left and Right */
 301         snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
 302                             DA7213_ADC_EN);
 303         snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
 304                             DA7213_ADC_EN);
 305
 306         /* Enable MIC paths */
 307         snd_soc_update_bits(codec, DA7213_MIXIN_L_SELECT,
 308                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 309                             DA7213_MIXIN_L_MIX_SELECT_MIC_2,
 310                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 311                             DA7213_MIXIN_L_MIX_SELECT_MIC_2);
 312         snd_soc_update_bits(codec, DA7213_MIXIN_R_SELECT,
 313                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 314                             DA7213_MIXIN_R_MIX_SELECT_MIC_1,
 315                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 316                             DA7213_MIXIN_R_MIX_SELECT_MIC_1);
 317
 318         /* Mute MIC PGAs */
 319         snd_soc_update_bits(codec, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
 320                             DA7213_MUTE_EN);
 321         snd_soc_update_bits(codec, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
 322                             DA7213_MUTE_EN);
 323
 324         /* Perform calibration */
 325         if (da7213->alc_calib_auto)
 326                 da7213_alc_calib_auto(codec);
 327         else
 328                 da7213_alc_calib_man(codec);
 329
 330         /* Restore MIXIN_L/R_SELECT registers to their original states */
 331         snd_soc_write(codec, DA7213_MIXIN_L_SELECT, mixin_l_sel);
 332         snd_soc_write(codec, DA7213_MIXIN_R_SELECT, mixin_r_sel);
 333
 334         /* Restore ADC control registers to their original states */
 335         snd_soc_write(codec, DA7213_ADC_L_CTRL, adc_l_ctrl);
 336         snd_soc_write(codec, DA7213_ADC_R_CTRL, adc_r_ctrl);
 337
 338         /* Restore original values of MIC control registers */
 339         snd_soc_write(codec, DA7213_MIC_1_CTRL, mic_1_ctrl);
 340         snd_soc_write(codec, DA7213_MIC_2_CTRL, mic_2_ctrl);
 341 }
 342
 343 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
 344                                 struct snd_ctl_elem_value *ucontrol)
 345 {
 346         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 347         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 348         int ret;
 349
 350         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 351
 352         /* If ALC in operation, make sure calibrated offsets are updated */
 353         if ((!ret) && (da7213->alc_en))
 354                 da7213_alc_calib(codec);
 355
 356         return ret;
 357 }
 358
 359 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
 360                             struct snd_ctl_elem_value *ucontrol)
 361 {
 362         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 363         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 364
 365         /* Force ALC offset calibration if enabling ALC */
 366         if (ucontrol->value.integer.value[0] ||
 367             ucontrol->value.integer.value[1]) {
 368                 if (!da7213->alc_en) {
 369                         da7213_alc_calib(codec);
 370                         da7213->alc_en = true;
 371                 }
 372         } else {
 373                 da7213->alc_en = false;
 374         }
 375
 376         return snd_soc_put_volsw(kcontrol, ucontrol);
 377 }
 378
 379
 380 /*
 381  * KControls
 382  */
 383
 384 static const struct snd_kcontrol_new da7213_snd_controls[] = {
 385
 386         /* Volume controls */
 387         SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
 388                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 389                        DA7213_NO_INVERT, mic_vol_tlv),
 390         SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
 391                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 392                        DA7213_NO_INVERT, mic_vol_tlv),
 393         SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
 394                          DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
 395                          DA7213_NO_INVERT, aux_vol_tlv),
 396         SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
 397                              DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
 398                              DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
 399                              snd_soc_get_volsw_2r, da7213_put_mixin_gain,
 400                              mixin_gain_tlv),
 401         SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
 402                          DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
 403                          DA7213_NO_INVERT, digital_gain_tlv),
 404         SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
 405                          DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
 406                          DA7213_NO_INVERT, digital_gain_tlv),
 407         SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
 408                          DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
 409                          DA7213_NO_INVERT, hp_vol_tlv),
 410         SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
 411                        DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
 412                        DA7213_NO_INVERT, lineout_vol_tlv),
 413
 414         /* DAC Equalizer controls */
 415         SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
 416                    DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
 417         SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
 418                        DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 419                        DA7213_NO_INVERT, eq_gain_tlv),
 420         SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
 421                        DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 422                        DA7213_NO_INVERT, eq_gain_tlv),
 423         SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
 424                        DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 425                        DA7213_NO_INVERT, eq_gain_tlv),
 426         SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
 427                        DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 428                        DA7213_NO_INVERT, eq_gain_tlv),
 429         SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
 430                        DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 431                        DA7213_NO_INVERT, eq_gain_tlv),
 432
 433         /* High Pass Filter and Voice Mode controls */
 434         SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
 435                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 436         SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
 437         SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
 438                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 439                    DA7213_NO_INVERT),
 440         SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
 441
 442         SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
 443                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 444         SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
 445         SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
 446                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 447                    DA7213_NO_INVERT),
 448         SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
 449
 450         /* Mute controls */
 451         SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
 452                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 453         SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
 454                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 455         SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 456                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 457         SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
 458                      DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
 459                      DA7213_MUTE_EN_MAX, DA7213_INVERT),
 460         SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
 461                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 462         SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 463                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 464         SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
 465                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 466         SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
 467                    DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
 468                    DA7213_NO_INVERT),
 469         SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
 470
 471         /* Zero Cross controls */
 472         SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 473                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 474         SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
 475                      DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
 476                      DA7213_NO_INVERT),
 477         SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 478                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 479
 480         /* Gain Ramping controls */
 481         SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
 482                      DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 483                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 484         SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
 485                      DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 486                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 487         SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
 488                      DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 489                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 490         SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
 491                      DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 492                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 493         SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
 494                      DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 495                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 496         SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
 497                    DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
 498                    DA7213_NO_INVERT),
 499         SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
 500
 501         /* DAC Noise Gate controls */
 502         SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
 503                    DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
 504         SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
 505         SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
 506         SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
 507         SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
 508                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 509                    DA7213_NO_INVERT),
 510         SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
 511                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 512                    DA7213_NO_INVERT),
 513
 514         /* DAC Routing & Inversion */
 515         SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
 516                    DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
 517                    DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
 518         SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
 519                    DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
 520                    DA7213_NO_INVERT),
 521
 522         /* DMIC controls */
 523         SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
 524                      DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
 525                      DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
 526
 527         /* ALC Controls */
 528         SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
 529                        DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
 530                        DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
 531         SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
 532         SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
 533         SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
 534         /*
 535          * Rate at which input signal envelope is tracked as the signal gets
 536          * larger
 537          */
 538         SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
 539         /*
 540          * Rate at which input signal envelope is tracked as the signal gets
 541          * smaller
 542          */
 543         SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
 544         SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
 545                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 546                        DA7213_INVERT, alc_threshold_tlv),
 547         SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
 548                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 549                        DA7213_INVERT, alc_threshold_tlv),
 550         SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
 551                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 552                        DA7213_INVERT, alc_threshold_tlv),
 553         SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
 554                        DA7213_ALC_ATTEN_MAX_SHIFT,
 555                        DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
 556                        alc_gain_tlv),
 557         SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
 558                        DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
 559                        DA7213_NO_INVERT, alc_gain_tlv),
 560         SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 561                        DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 562                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 563         SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 564                        DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 565                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 566         SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
 567                    DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
 568                    DA7213_NO_INVERT),
 569         SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
 570                    DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
 571                    DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
 572 };
 573
 574
 575 /*
 576  * DAPM
 577  */
 578
 579 /*
 580  * Enums
 581  */
 582
 583 /* MIC PGA source select */
 584 static const char * const da7213_mic_amp_in_sel_txt[] = {
 585         "Differential", "MIC_P", "MIC_N"
 586 };
 587
 588 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
 589                             DA7213_MIC_1_CTRL,
 590                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 591                             da7213_mic_amp_in_sel_txt);
 592 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
 593         SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
 594
 595 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
 596                             DA7213_MIC_2_CTRL,
 597                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 598                             da7213_mic_amp_in_sel_txt);
 599 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
 600         SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
 601
 602 /* DAI routing select */
 603 static const char * const da7213_dai_src_txt[] = {
 604         "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
 605 };
 606
 607 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
 608                             DA7213_DIG_ROUTING_DAI,
 609                             DA7213_DAI_L_SRC_SHIFT,
 610                             da7213_dai_src_txt);
 611 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
 612         SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
 613
 614 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
 615                             DA7213_DIG_ROUTING_DAI,
 616                             DA7213_DAI_R_SRC_SHIFT,
 617                             da7213_dai_src_txt);
 618 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
 619         SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
 620
 621 /* DAC routing select */
 622 static const char * const da7213_dac_src_txt[] = {
 623         "ADC Output Left", "ADC Output Right", "DAI Input Left",
 624         "DAI Input Right"
 625 };
 626
 627 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
 628                             DA7213_DIG_ROUTING_DAC,
 629                             DA7213_DAC_L_SRC_SHIFT,
 630                             da7213_dac_src_txt);
 631 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
 632         SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
 633
 634 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
 635                             DA7213_DIG_ROUTING_DAC,
 636                             DA7213_DAC_R_SRC_SHIFT,
 637                             da7213_dac_src_txt);
 638 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
 639         SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
 640
 641 /*
 642  * Mixer Controls
 643  */
 644
 645 /* Mixin Left */
 646 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
 647         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
 648                         DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
 649                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 650         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
 651                         DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
 652                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 653         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
 654                         DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
 655                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 656         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
 657                         DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
 658                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 659 };
 660
 661 /* Mixin Right */
 662 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
 663         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
 664                         DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
 665                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 666         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
 667                         DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
 668                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 669         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
 670                         DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
 671                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 672         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
 673                         DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
 674                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 675 };
 676
 677 /* Mixout Left */
 678 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
 679         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
 680                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
 681                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 682         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
 683                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
 684                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 685         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
 686                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
 687                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 688         SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
 689                         DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
 690                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 691         SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 692                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
 693                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 694         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 695                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 696                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 697         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
 698                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 699                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 700 };
 701
 702 /* Mixout Right */
 703 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
 704         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
 705                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
 706                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 707         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
 708                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
 709                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 710         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
 711                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
 712                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 713         SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
 714                         DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
 715                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 716         SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 717                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
 718                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 719         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 720                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 721                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 722         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
 723                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 724                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 725 };
 726
 727
 728 /*
 729  * DAPM widgets
 730  */
 731
 732 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
 733         /*
 734          * Input & Output
 735          */
 736
 737         /* Use a supply here as this controls both input & output DAIs */
 738         SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
 739                             DA7213_NO_INVERT, NULL, 0),
 740
 741         /*
 742          * Input
 743          */
 744
 745         /* Input Lines */
 746         SND_SOC_DAPM_INPUT("MIC1"),
 747         SND_SOC_DAPM_INPUT("MIC2"),
 748         SND_SOC_DAPM_INPUT("AUXL"),
 749         SND_SOC_DAPM_INPUT("AUXR"),
 750
 751         /* MUXs for Mic PGA source selection */
 752         SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 753                          &da7213_mic_1_amp_in_sel_mux),
 754         SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 755                          &da7213_mic_2_amp_in_sel_mux),
 756
 757         /* Input PGAs */
 758         SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
 759                          DA7213_NO_INVERT, NULL, 0),
 760         SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
 761                          DA7213_NO_INVERT, NULL, 0),
 762         SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
 763                          DA7213_NO_INVERT, NULL, 0),
 764         SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
 765                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 766         SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
 767                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 768         SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
 769                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 770
 771         /* Mic Biases */
 772         SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
 773                             DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
 774                             NULL, 0),
 775         SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
 776                             DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
 777                             NULL, 0),
 778
 779         /* Input Mixers */
 780         SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
 781                            &da7213_dapm_mixinl_controls[0],
 782                            ARRAY_SIZE(da7213_dapm_mixinl_controls)),
 783         SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
 784                            &da7213_dapm_mixinr_controls[0],
 785                            ARRAY_SIZE(da7213_dapm_mixinr_controls)),
 786
 787         /* ADCs */
 788         SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
 789                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 790         SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
 791                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 792
 793         /* DAI */
 794         SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
 795                          &da7213_dai_l_src_mux),
 796         SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
 797                          &da7213_dai_r_src_mux),
 798         SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
 799         SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
 800
 801         /*
 802          * Output
 803          */
 804
 805         /* DAI */
 806         SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
 807         SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
 808         SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
 809                          &da7213_dac_l_src_mux),
 810         SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
 811                          &da7213_dac_r_src_mux),
 812
 813         /* DACs */
 814         SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
 815                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 816         SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
 817                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 818
 819         /* Output Mixers */
 820         SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
 821                            &da7213_dapm_mixoutl_controls[0],
 822                            ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
 823         SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
 824                            &da7213_dapm_mixoutr_controls[0],
 825                            ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
 826
 827         /* Output PGAs */
 828         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
 829                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 830         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
 831                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 832         SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
 833                          DA7213_NO_INVERT, NULL, 0),
 834         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
 835                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 836         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
 837                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 838
 839         /* Charge Pump */
 840         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
 841                             DA7213_NO_INVERT, NULL, 0),
 842
 843         /* Output Lines */
 844         SND_SOC_DAPM_OUTPUT("HPL"),
 845         SND_SOC_DAPM_OUTPUT("HPR"),
 846         SND_SOC_DAPM_OUTPUT("LINE"),
 847 };
 848
 849
 850 /*
 851  * DAPM audio route definition
 852  */
 853
 854 static const struct snd_soc_dapm_route da7213_audio_map[] = {
 855         /* Dest       Connecting Widget    source */
 856
 857         /* Input path */
 858         {"MIC1", NULL, "Mic Bias 1"},
 859         {"MIC2", NULL, "Mic Bias 2"},
 860
 861         {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
 862         {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
 863         {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
 864
 865         {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
 866         {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
 867         {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
 868
 869         {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
 870         {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
 871
 872         {"Aux Left PGA", NULL, "AUXL"},
 873         {"Aux Right PGA", NULL, "AUXR"},
 874
 875         {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
 876         {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
 877         {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
 878         {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
 879
 880         {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
 881         {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
 882         {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
 883         {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
 884
 885         {"Mixin Left PGA", NULL, "Mixin Left"},
 886         {"ADC Left", NULL, "Mixin Left PGA"},
 887
 888         {"Mixin Right PGA", NULL, "Mixin Right"},
 889         {"ADC Right", NULL, "Mixin Right PGA"},
 890
 891         {"DAI Left Source MUX", "ADC Left", "ADC Left"},
 892         {"DAI Left Source MUX", "ADC Right", "ADC Right"},
 893         {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
 894         {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
 895
 896         {"DAI Right Source MUX", "ADC Left", "ADC Left"},
 897         {"DAI Right Source MUX", "ADC Right", "ADC Right"},
 898         {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
 899         {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
 900
 901         {"DAIOUTL", NULL, "DAI Left Source MUX"},
 902         {"DAIOUTR", NULL, "DAI Right Source MUX"},
 903
 904         {"DAIOUTL", NULL, "DAI"},
 905         {"DAIOUTR", NULL, "DAI"},
 906
 907         /* Output path */
 908         {"DAIINL", NULL, "DAI"},
 909         {"DAIINR", NULL, "DAI"},
 910
 911         {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
 912         {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
 913         {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
 914         {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
 915
 916         {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
 917         {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
 918         {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
 919         {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
 920
 921         {"DAC Left", NULL, "DAC Left Source MUX"},
 922         {"DAC Right", NULL, "DAC Right Source MUX"},
 923
 924         {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
 925         {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
 926         {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
 927         {"Mixout Left", "DAC Left Switch", "DAC Left"},
 928         {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
 929         {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
 930         {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
 931
 932         {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
 933         {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
 934         {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
 935         {"Mixout Right", "DAC Right Switch", "DAC Right"},
 936         {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
 937         {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
 938         {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
 939
 940         {"Mixout Left PGA", NULL, "Mixout Left"},
 941         {"Mixout Right PGA", NULL, "Mixout Right"},
 942
 943         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
 944         {"Headphone Left PGA", NULL, "Charge Pump"},
 945         {"HPL", NULL, "Headphone Left PGA"},
 946
 947         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
 948         {"Headphone Right PGA", NULL, "Charge Pump"},
 949         {"HPR", NULL, "Headphone Right PGA"},
 950
 951         {"Lineout PGA", NULL, "Mixout Right PGA"},
 952         {"LINE", NULL, "Lineout PGA"},
 953 };
 954
 955 static const struct reg_default da7213_reg_defaults[] = {
 956         { DA7213_DIG_ROUTING_DAI, 0x10 },
 957         { DA7213_SR, 0x0A },
 958         { DA7213_REFERENCES, 0x80 },
 959         { DA7213_PLL_FRAC_TOP, 0x00 },
 960         { DA7213_PLL_FRAC_BOT, 0x00 },
 961         { DA7213_PLL_INTEGER, 0x20 },
 962         { DA7213_PLL_CTRL, 0x0C },
 963         { DA7213_DAI_CLK_MODE, 0x01 },
 964         { DA7213_DAI_CTRL, 0x08 },
 965         { DA7213_DIG_ROUTING_DAC, 0x32 },
 966         { DA7213_AUX_L_GAIN, 0x35 },
 967         { DA7213_AUX_R_GAIN, 0x35 },
 968         { DA7213_MIXIN_L_SELECT, 0x00 },
 969         { DA7213_MIXIN_R_SELECT, 0x00 },
 970         { DA7213_MIXIN_L_GAIN, 0x03 },
 971         { DA7213_MIXIN_R_GAIN, 0x03 },
 972         { DA7213_ADC_L_GAIN, 0x6F },
 973         { DA7213_ADC_R_GAIN, 0x6F },
 974         { DA7213_ADC_FILTERS1, 0x80 },
 975         { DA7213_MIC_1_GAIN, 0x01 },
 976         { DA7213_MIC_2_GAIN, 0x01 },
 977         { DA7213_DAC_FILTERS5, 0x00 },
 978         { DA7213_DAC_FILTERS2, 0x88 },
 979         { DA7213_DAC_FILTERS3, 0x88 },
 980         { DA7213_DAC_FILTERS4, 0x08 },
 981         { DA7213_DAC_FILTERS1, 0x80 },
 982         { DA7213_DAC_L_GAIN, 0x6F },
 983         { DA7213_DAC_R_GAIN, 0x6F },
 984         { DA7213_CP_CTRL, 0x61 },
 985         { DA7213_HP_L_GAIN, 0x39 },
 986         { DA7213_HP_R_GAIN, 0x39 },
 987         { DA7213_LINE_GAIN, 0x30 },
 988         { DA7213_MIXOUT_L_SELECT, 0x00 },
 989         { DA7213_MIXOUT_R_SELECT, 0x00 },
 990         { DA7213_SYSTEM_MODES_INPUT, 0x00 },
 991         { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
 992         { DA7213_AUX_L_CTRL, 0x44 },
 993         { DA7213_AUX_R_CTRL, 0x44 },
 994         { DA7213_MICBIAS_CTRL, 0x11 },
 995         { DA7213_MIC_1_CTRL, 0x40 },
 996         { DA7213_MIC_2_CTRL, 0x40 },
 997         { DA7213_MIXIN_L_CTRL, 0x40 },
 998         { DA7213_MIXIN_R_CTRL, 0x40 },
 999         { DA7213_ADC_L_CTRL, 0x40 },
1000         { DA7213_ADC_R_CTRL, 0x40 },
1001         { DA7213_DAC_L_CTRL, 0x48 },
1002         { DA7213_DAC_R_CTRL, 0x40 },
1003         { DA7213_HP_L_CTRL, 0x41 },
1004         { DA7213_HP_R_CTRL, 0x40 },
1005         { DA7213_LINE_CTRL, 0x40 },
1006         { DA7213_MIXOUT_L_CTRL, 0x10 },
1007         { DA7213_MIXOUT_R_CTRL, 0x10 },
1008         { DA7213_LDO_CTRL, 0x00 },
1009         { DA7213_IO_CTRL, 0x00 },
1010         { DA7213_GAIN_RAMP_CTRL, 0x00},
1011         { DA7213_MIC_CONFIG, 0x00 },
1012         { DA7213_PC_COUNT, 0x00 },
1013         { DA7213_CP_VOL_THRESHOLD1, 0x32 },
1014         { DA7213_CP_DELAY, 0x95 },
1015         { DA7213_CP_DETECTOR, 0x00 },
1016         { DA7213_DAI_OFFSET, 0x00 },
1017         { DA7213_DIG_CTRL, 0x00 },
1018         { DA7213_ALC_CTRL2, 0x00 },
1019         { DA7213_ALC_CTRL3, 0x00 },
1020         { DA7213_ALC_NOISE, 0x3F },
1021         { DA7213_ALC_TARGET_MIN, 0x3F },
1022         { DA7213_ALC_TARGET_MAX, 0x00 },
1023         { DA7213_ALC_GAIN_LIMITS, 0xFF },
1024         { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1025         { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1026         { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1027         { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1028         { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1029         { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1030         { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1031         { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1032         { DA7213_DAC_NG_SETUP_TIME, 0x00 },
1033         { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1034         { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1035         { DA7213_DAC_NG_CTRL, 0x00 },
1036 };
1037
1038 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1039 {
1040         switch (reg) {
1041         case DA7213_STATUS1:
1042         case DA7213_PLL_STATUS:
1043         case DA7213_AUX_L_GAIN_STATUS:
1044         case DA7213_AUX_R_GAIN_STATUS:
1045         case DA7213_MIC_1_GAIN_STATUS:
1046         case DA7213_MIC_2_GAIN_STATUS:
1047         case DA7213_MIXIN_L_GAIN_STATUS:
1048         case DA7213_MIXIN_R_GAIN_STATUS:
1049         case DA7213_ADC_L_GAIN_STATUS:
1050         case DA7213_ADC_R_GAIN_STATUS:
1051         case DA7213_DAC_L_GAIN_STATUS:
1052         case DA7213_DAC_R_GAIN_STATUS:
1053         case DA7213_HP_L_GAIN_STATUS:
1054         case DA7213_HP_R_GAIN_STATUS:
1055         case DA7213_LINE_GAIN_STATUS:
1056         case DA7213_ALC_CTRL1:
1057         case DA7213_ALC_OFFSET_AUTO_M_L:
1058         case DA7213_ALC_OFFSET_AUTO_U_L:
1059         case DA7213_ALC_OFFSET_AUTO_M_R:
1060         case DA7213_ALC_OFFSET_AUTO_U_R:
1061         case DA7213_ALC_CIC_OP_LVL_DATA:
1062                 return 1;
1063         default:
1064                 return 0;
1065         }
1066 }
1067
1068 static int da7213_hw_params(struct snd_pcm_substream *substream,
1069                             struct snd_pcm_hw_params *params,
1070                             struct snd_soc_dai *dai)
1071 {
1072         struct snd_soc_codec *codec = dai->codec;
1073         u8 dai_ctrl = 0;
1074         u8 fs;
1075
1076         /* Set DAI format */
1077         switch (params_width(params)) {
1078         case 16:
1079                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1080                 break;
1081         case 20:
1082                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1083                 break;
1084         case 24:
1085                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1086                 break;
1087         case 32:
1088                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1089                 break;
1090         default:
1091                 return -EINVAL;
1092         }
1093
1094         /* Set sampling rate */
1095         switch (params_rate(params)) {
1096         case 8000:
1097                 fs = DA7213_SR_8000;
1098                 break;
1099         case 11025:
1100                 fs = DA7213_SR_11025;
1101                 break;
1102         case 12000:
1103                 fs = DA7213_SR_12000;
1104                 break;
1105         case 16000:
1106                 fs = DA7213_SR_16000;
1107                 break;
1108         case 22050:
1109                 fs = DA7213_SR_22050;
1110                 break;
1111         case 32000:
1112                 fs = DA7213_SR_32000;
1113                 break;
1114         case 44100:
1115                 fs = DA7213_SR_44100;
1116                 break;
1117         case 48000:
1118                 fs = DA7213_SR_48000;
1119                 break;
1120         case 88200:
1121                 fs = DA7213_SR_88200;
1122                 break;
1123         case 96000:
1124                 fs = DA7213_SR_96000;
1125                 break;
1126         default:
1127                 return -EINVAL;
1128         }
1129
1130         snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1131                             dai_ctrl);
1132         snd_soc_write(codec, DA7213_SR, fs);
1133
1134         return 0;
1135 }
1136
1137 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1138 {
1139         struct snd_soc_codec *codec = codec_dai->codec;
1140         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1141         u8 dai_clk_mode = 0, dai_ctrl = 0;
1142
1143         /* Set master/slave mode */
1144         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1145         case SND_SOC_DAIFMT_CBM_CFM:
1146                 dai_clk_mode |= DA7213_DAI_CLK_EN_MASTER_MODE;
1147                 da7213->master = true;
1148                 break;
1149         case SND_SOC_DAIFMT_CBS_CFS:
1150                 dai_clk_mode |= DA7213_DAI_CLK_EN_SLAVE_MODE;
1151                 da7213->master = false;
1152                 break;
1153         default:
1154                 return -EINVAL;
1155         }
1156
1157         /* Set clock normal/inverted */
1158         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1159         case SND_SOC_DAIFMT_NB_NF:
1160                 break;
1161         case SND_SOC_DAIFMT_NB_IF:
1162                 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1163                 break;
1164         case SND_SOC_DAIFMT_IB_NF:
1165                 dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1166                 break;
1167         case SND_SOC_DAIFMT_IB_IF:
1168                 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV | DA7213_DAI_CLK_POL_INV;
1169                 break;
1170         default:
1171                 return -EINVAL;
1172         }
1173
1174         /* Only I2S is supported */
1175         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1176         case SND_SOC_DAIFMT_I2S:
1177                 dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1178                 break;
1179         case SND_SOC_DAIFMT_LEFT_J:
1180                 dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1181                 break;
1182         case SND_SOC_DAIFMT_RIGHT_J:
1183                 dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1184                 break;
1185         default:
1186                 return -EINVAL;
1187         }
1188
1189         /* By default only 32 BCLK per WCLK is supported */
1190         dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_32;
1191
1192         snd_soc_write(codec, DA7213_DAI_CLK_MODE, dai_clk_mode);
1193         snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1194                             dai_ctrl);
1195
1196         return 0;
1197 }
1198
1199 static int da7213_mute(struct snd_soc_dai *dai, int mute)
1200 {
1201         struct snd_soc_codec *codec = dai->codec;
1202
1203         if (mute) {
1204                 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1205                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1206                 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1207                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1208         } else {
1209                 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1210                                     DA7213_MUTE_EN, 0);
1211                 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1212                                     DA7213_MUTE_EN, 0);
1213         }
1214
1215         return 0;
1216 }
1217
1218 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1219                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1220
1221 static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1222                                  int clk_id, unsigned int freq, int dir)
1223 {
1224         struct snd_soc_codec *codec = codec_dai->codec;
1225         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1226         int ret = 0;
1227
1228         if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1229                 return 0;
1230
1231         if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1232                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1233                         freq);
1234                 return -EINVAL;
1235         }
1236
1237         switch (clk_id) {
1238         case DA7213_CLKSRC_MCLK:
1239                 da7213->mclk_squarer_en = false;
1240                 break;
1241         case DA7213_CLKSRC_MCLK_SQR:
1242                 da7213->mclk_squarer_en = true;
1243                 break;
1244         default:
1245                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1246                 return -EINVAL;
1247         }
1248
1249         da7213->clk_src = clk_id;
1250
1251         if (da7213->mclk) {
1252                 freq = clk_round_rate(da7213->mclk, freq);
1253                 ret = clk_set_rate(da7213->mclk, freq);
1254                 if (ret) {
1255                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1256                                 freq);
1257                         return ret;
1258                 }
1259         }
1260
1261         da7213->mclk_rate = freq;
1262
1263         return 0;
1264 }
1265
1266 /* Supported PLL input frequencies are 5MHz - 54MHz. */
1267 static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1268                               int source, unsigned int fref, unsigned int fout)
1269 {
1270         struct snd_soc_codec *codec = codec_dai->codec;
1271         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1272
1273         u8 pll_ctrl, indiv_bits, indiv;
1274         u8 pll_frac_top, pll_frac_bot, pll_integer;
1275         u32 freq_ref;
1276         u64 frac_div;
1277
1278         /* Reset PLL configuration */
1279         snd_soc_write(codec, DA7213_PLL_CTRL, 0);
1280
1281         pll_ctrl = 0;
1282
1283         /* Workout input divider based on MCLK rate */
1284         if ((da7213->mclk_rate == 32768) && (source == DA7213_SYSCLK_PLL)) {
1285                 /* 32KHz PLL Mode */
1286                 indiv_bits = DA7213_PLL_INDIV_10_20_MHZ;
1287                 indiv = DA7213_PLL_INDIV_10_20_MHZ_VAL;
1288                 freq_ref = 3750000;
1289                 pll_ctrl |= DA7213_PLL_32K_MODE;
1290         } else {
1291                 /* 5 - 54MHz MCLK */
1292                 if (da7213->mclk_rate < 5000000) {
1293                         goto pll_err;
1294                 } else if (da7213->mclk_rate <= 10000000) {
1295                         indiv_bits = DA7213_PLL_INDIV_5_10_MHZ;
1296                         indiv = DA7213_PLL_INDIV_5_10_MHZ_VAL;
1297                 } else if (da7213->mclk_rate <= 20000000) {
1298                         indiv_bits = DA7213_PLL_INDIV_10_20_MHZ;
1299                         indiv = DA7213_PLL_INDIV_10_20_MHZ_VAL;
1300                 } else if (da7213->mclk_rate <= 40000000) {
1301                         indiv_bits = DA7213_PLL_INDIV_20_40_MHZ;
1302                         indiv = DA7213_PLL_INDIV_20_40_MHZ_VAL;
1303                 } else if (da7213->mclk_rate <= 54000000) {
1304                         indiv_bits = DA7213_PLL_INDIV_40_54_MHZ;
1305                         indiv = DA7213_PLL_INDIV_40_54_MHZ_VAL;
1306                 } else {
1307                         goto pll_err;
1308                 }
1309                 freq_ref = (da7213->mclk_rate / indiv);
1310         }
1311
1312         pll_ctrl |= indiv_bits;
1313
1314         /* PLL Bypass mode */
1315         if (source == DA7213_SYSCLK_MCLK) {
1316                 snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl);
1317                 return 0;
1318         }
1319
1320         /*
1321          * If Codec is slave and SRM enabled,
1322          * freq_out is (98304000 + 90316800)/2 = 94310400
1323          */
1324         if (!da7213->master && da7213->srm_en) {
1325                 fout = DA7213_PLL_FREQ_OUT_94310400;
1326                 pll_ctrl |= DA7213_PLL_SRM_EN;
1327         }
1328
1329         /* Enable MCLK squarer if required */
1330         if (da7213->mclk_squarer_en)
1331                 pll_ctrl |= DA7213_PLL_MCLK_SQR_EN;
1332
1333         /* Calculate dividers for PLL */
1334         pll_integer = fout / freq_ref;
1335         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1336         do_div(frac_div, freq_ref);
1337         pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1338         pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1339
1340         /* Write PLL dividers */
1341         snd_soc_write(codec, DA7213_PLL_FRAC_TOP, pll_frac_top);
1342         snd_soc_write(codec, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1343         snd_soc_write(codec, DA7213_PLL_INTEGER, pll_integer);
1344
1345         /* Enable PLL */
1346         pll_ctrl |= DA7213_PLL_EN;
1347         snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl);
1348
1349         return 0;
1350
1351 pll_err:
1352         dev_err(codec_dai->dev, "Unsupported PLL input frequency %d\n",
1353                 da7213->mclk_rate);
1354         return -EINVAL;
1355 }
1356
1357 /* DAI operations */
1358 static const struct snd_soc_dai_ops da7213_dai_ops = {
1359         .hw_params      = da7213_hw_params,
1360         .set_fmt        = da7213_set_dai_fmt,
1361         .set_sysclk     = da7213_set_dai_sysclk,
1362         .set_pll        = da7213_set_dai_pll,
1363         .digital_mute   = da7213_mute,
1364 };
1365
1366 static struct snd_soc_dai_driver da7213_dai = {
1367         .name = "da7213-hifi",
1368         /* Playback Capabilities */
1369         .playback = {
1370                 .stream_name = "Playback",
1371                 .channels_min = 1,
1372                 .channels_max = 2,
1373                 .rates = SNDRV_PCM_RATE_8000_96000,
1374                 .formats = DA7213_FORMATS,
1375         },
1376         /* Capture Capabilities */
1377         .capture = {
1378                 .stream_name = "Capture",
1379                 .channels_min = 1,
1380                 .channels_max = 2,
1381                 .rates = SNDRV_PCM_RATE_8000_96000,
1382                 .formats = DA7213_FORMATS,
1383         },
1384         .ops = &da7213_dai_ops,
1385         .symmetric_rates = 1,
1386 };
1387
1388 static int da7213_set_bias_level(struct snd_soc_codec *codec,
1389                                  enum snd_soc_bias_level level)
1390 {
1391         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1392         int ret;
1393
1394         switch (level) {
1395         case SND_SOC_BIAS_ON:
1396         case SND_SOC_BIAS_PREPARE:
1397                 break;
1398         case SND_SOC_BIAS_STANDBY:
1399                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1400                         /* MCLK */
1401                         if (da7213->mclk) {
1402                                 ret = clk_prepare_enable(da7213->mclk);
1403                                 if (ret) {
1404                                         dev_err(codec->dev,
1405                                                 "Failed to enable mclk\n");
1406                                         return ret;
1407                                 }
1408                         }
1409
1410                         /* Enable VMID reference & master bias */
1411                         snd_soc_update_bits(codec, DA7213_REFERENCES,
1412                                             DA7213_VMID_EN | DA7213_BIAS_EN,
1413                                             DA7213_VMID_EN | DA7213_BIAS_EN);
1414                 }
1415                 break;
1416         case SND_SOC_BIAS_OFF:
1417                 /* Disable VMID reference & master bias */
1418                 snd_soc_update_bits(codec, DA7213_REFERENCES,
1419                                     DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1420
1421                 /* MCLK */
1422                 if (da7213->mclk)
1423                         clk_disable_unprepare(da7213->mclk);
1424                 break;
1425         }
1426         return 0;
1427 }
1428
1429 /* DT */
1430 static const struct of_device_id da7213_of_match[] = {
1431         { .compatible = "dlg,da7213", },
1432         { }
1433 };
1434 MODULE_DEVICE_TABLE(of, da7213_of_match);
1435
1436 static enum da7213_micbias_voltage
1437         da7213_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
1438 {
1439         switch (val) {
1440         case 1600:
1441                 return DA7213_MICBIAS_1_6V;
1442         case 2200:
1443                 return DA7213_MICBIAS_2_2V;
1444         case 2500:
1445                 return DA7213_MICBIAS_2_5V;
1446         case 3000:
1447                 return DA7213_MICBIAS_3_0V;
1448         default:
1449                 dev_warn(codec->dev, "Invalid micbias level\n");
1450                 return DA7213_MICBIAS_2_2V;
1451         }
1452 }
1453
1454 static enum da7213_dmic_data_sel
1455         da7213_of_dmic_data_sel(struct snd_soc_codec *codec, const char *str)
1456 {
1457         if (!strcmp(str, "lrise_rfall")) {
1458                 return DA7213_DMIC_DATA_LRISE_RFALL;
1459         } else if (!strcmp(str, "lfall_rrise")) {
1460                 return DA7213_DMIC_DATA_LFALL_RRISE;
1461         } else {
1462                 dev_warn(codec->dev, "Invalid DMIC data select type\n");
1463                 return DA7213_DMIC_DATA_LRISE_RFALL;
1464         }
1465 }
1466
1467 static enum da7213_dmic_samplephase
1468         da7213_of_dmic_samplephase(struct snd_soc_codec *codec, const char *str)
1469 {
1470         if (!strcmp(str, "on_clkedge")) {
1471                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1472         } else if (!strcmp(str, "between_clkedge")) {
1473                 return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1474         } else {
1475                 dev_warn(codec->dev, "Invalid DMIC sample phase\n");
1476                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1477         }
1478 }
1479
1480 static enum da7213_dmic_clk_rate
1481         da7213_of_dmic_clkrate(struct snd_soc_codec *codec, u32 val)
1482 {
1483         switch (val) {
1484         case 1500000:
1485                 return DA7213_DMIC_CLK_1_5MHZ;
1486         case 3000000:
1487                 return DA7213_DMIC_CLK_3_0MHZ;
1488         default:
1489                 dev_warn(codec->dev, "Invalid DMIC clock rate\n");
1490                 return DA7213_DMIC_CLK_1_5MHZ;
1491         }
1492 }
1493
1494 static struct da7213_platform_data
1495         *da7213_of_to_pdata(struct snd_soc_codec *codec)
1496 {
1497         struct device_node *np = codec->dev->of_node;
1498         struct da7213_platform_data *pdata;
1499         const char *of_str;
1500         u32 of_val32;
1501
1502         pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
1503         if (!pdata) {
1504                 dev_warn(codec->dev, "Failed to allocate memory for pdata\n");
1505                 return NULL;
1506         }
1507
1508         if (of_property_read_u32(np, "dlg,micbias1-lvl", &of_val32) >= 0)
1509                 pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, of_val32);
1510         else
1511                 pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1512
1513         if (of_property_read_u32(np, "dlg,micbias2-lvl", &of_val32) >= 0)
1514                 pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, of_val32);
1515         else
1516                 pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1517
1518         if (!of_property_read_string(np, "dlg,dmic-data-sel", &of_str))
1519                 pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, of_str);
1520         else
1521                 pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1522
1523         if (!of_property_read_string(np, "dlg,dmic-samplephase", &of_str))
1524                 pdata->dmic_samplephase =
1525                         da7213_of_dmic_samplephase(codec, of_str);
1526         else
1527                 pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1528
1529         if (of_property_read_u32(np, "dlg,dmic-clkrate", &of_val32) >= 0)
1530                 pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, of_val32);
1531         else
1532                 pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1533
1534         return pdata;
1535 }
1536
1537
1538 static int da7213_probe(struct snd_soc_codec *codec)
1539 {
1540         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1541
1542         /* Default to using ALC auto offset calibration mode. */
1543         snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
1544                             DA7213_ALC_CALIB_MODE_MAN, 0);
1545         da7213->alc_calib_auto = true;
1546
1547         /* Default to using SRM for slave mode */
1548         da7213->srm_en = true;
1549
1550         /* Enable all Gain Ramps */
1551         snd_soc_update_bits(codec, DA7213_AUX_L_CTRL,
1552                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1553         snd_soc_update_bits(codec, DA7213_AUX_R_CTRL,
1554                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1555         snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1556                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1557         snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1558                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1559         snd_soc_update_bits(codec, DA7213_ADC_L_CTRL,
1560                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1561         snd_soc_update_bits(codec, DA7213_ADC_R_CTRL,
1562                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1563         snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1564                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1565         snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1566                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1567         snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1568                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1569         snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1570                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1571         snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1572                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1573
1574         /*
1575          * There are two separate control bits for input and output mixers as
1576          * well as headphone and line outs.
1577          * One to enable corresponding amplifier and other to enable its
1578          * output. As amplifier bits are related to power control, they are
1579          * being managed by DAPM while other (non power related) bits are
1580          * enabled here
1581          */
1582         snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1583                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1584         snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1585                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1586
1587         snd_soc_update_bits(codec, DA7213_MIXOUT_L_CTRL,
1588                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1589         snd_soc_update_bits(codec, DA7213_MIXOUT_R_CTRL,
1590                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1591
1592         snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1593                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1594         snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1595                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1596
1597         snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1598                             DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1599
1600         /* Handle DT/Platform data */
1601         if (codec->dev->of_node)
1602                 da7213->pdata = da7213_of_to_pdata(codec);
1603         else
1604                 da7213->pdata = dev_get_platdata(codec->dev);
1605
1606         /* Set platform data values */
1607         if (da7213->pdata) {
1608                 struct da7213_platform_data *pdata = da7213->pdata;
1609                 u8 micbias_lvl = 0, dmic_cfg = 0;
1610
1611                 /* Set Mic Bias voltages */
1612                 switch (pdata->micbias1_lvl) {
1613                 case DA7213_MICBIAS_1_6V:
1614                 case DA7213_MICBIAS_2_2V:
1615                 case DA7213_MICBIAS_2_5V:
1616                 case DA7213_MICBIAS_3_0V:
1617                         micbias_lvl |= (pdata->micbias1_lvl <<
1618                                         DA7213_MICBIAS1_LEVEL_SHIFT);
1619                         break;
1620                 }
1621                 switch (pdata->micbias2_lvl) {
1622                 case DA7213_MICBIAS_1_6V:
1623                 case DA7213_MICBIAS_2_2V:
1624                 case DA7213_MICBIAS_2_5V:
1625                 case DA7213_MICBIAS_3_0V:
1626                         micbias_lvl |= (pdata->micbias2_lvl <<
1627                                          DA7213_MICBIAS2_LEVEL_SHIFT);
1628                         break;
1629                 }
1630                 snd_soc_update_bits(codec, DA7213_MICBIAS_CTRL,
1631                                     DA7213_MICBIAS1_LEVEL_MASK |
1632                                     DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1633
1634                 /* Set DMIC configuration */
1635                 switch (pdata->dmic_data_sel) {
1636                 case DA7213_DMIC_DATA_LFALL_RRISE:
1637                 case DA7213_DMIC_DATA_LRISE_RFALL:
1638                         dmic_cfg |= (pdata->dmic_data_sel <<
1639                                      DA7213_DMIC_DATA_SEL_SHIFT);
1640                         break;
1641                 }
1642                 switch (pdata->dmic_samplephase) {
1643                 case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1644                 case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1645                         dmic_cfg |= (pdata->dmic_samplephase <<
1646                                      DA7213_DMIC_SAMPLEPHASE_SHIFT);
1647                         break;
1648                 }
1649                 switch (pdata->dmic_clk_rate) {
1650                 case DA7213_DMIC_CLK_3_0MHZ:
1651                 case DA7213_DMIC_CLK_1_5MHZ:
1652                         dmic_cfg |= (pdata->dmic_clk_rate <<
1653                                      DA7213_DMIC_CLK_RATE_SHIFT);
1654                         break;
1655                 }
1656                 snd_soc_update_bits(codec, DA7213_MIC_CONFIG,
1657                                     DA7213_DMIC_DATA_SEL_MASK |
1658                                     DA7213_DMIC_SAMPLEPHASE_MASK |
1659                                     DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1660         }
1661
1662         /* Check if MCLK provided */
1663         da7213->mclk = devm_clk_get(codec->dev, "mclk");
1664         if (IS_ERR(da7213->mclk)) {
1665                 if (PTR_ERR(da7213->mclk) != -ENOENT)
1666                         return PTR_ERR(da7213->mclk);
1667                 else
1668                         da7213->mclk = NULL;
1669         }
1670
1671         return 0;
1672 }
1673
1674 static struct snd_soc_codec_driver soc_codec_dev_da7213 = {
1675         .probe                  = da7213_probe,
1676         .set_bias_level         = da7213_set_bias_level,
1677
1678         .controls               = da7213_snd_controls,
1679         .num_controls           = ARRAY_SIZE(da7213_snd_controls),
1680
1681         .dapm_widgets           = da7213_dapm_widgets,
1682         .num_dapm_widgets       = ARRAY_SIZE(da7213_dapm_widgets),
1683         .dapm_routes            = da7213_audio_map,
1684         .num_dapm_routes        = ARRAY_SIZE(da7213_audio_map),
1685 };
1686
1687 static const struct regmap_config da7213_regmap_config = {
1688         .reg_bits = 8,
1689         .val_bits = 8,
1690
1691         .reg_defaults = da7213_reg_defaults,
1692         .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1693         .volatile_reg = da7213_volatile_register,
1694         .cache_type = REGCACHE_RBTREE,
1695 };
1696
1697 static int da7213_i2c_probe(struct i2c_client *i2c,
1698                             const struct i2c_device_id *id)
1699 {
1700         struct da7213_priv *da7213;
1701         int ret;
1702
1703         da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv),
1704                               GFP_KERNEL);
1705         if (!da7213)
1706                 return -ENOMEM;
1707
1708         i2c_set_clientdata(i2c, da7213);
1709
1710         da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1711         if (IS_ERR(da7213->regmap)) {
1712                 ret = PTR_ERR(da7213->regmap);
1713                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1714                 return ret;
1715         }
1716
1717         ret = snd_soc_register_codec(&i2c->dev,
1718                         &soc_codec_dev_da7213, &da7213_dai, 1);
1719         if (ret < 0) {
1720                 dev_err(&i2c->dev, "Failed to register da7213 codec: %d\n",
1721                         ret);
1722         }
1723         return ret;
1724 }
1725
1726 static int da7213_remove(struct i2c_client *client)
1727 {
1728         snd_soc_unregister_codec(&client->dev);
1729         return 0;
1730 }
1731
1732 static const struct i2c_device_id da7213_i2c_id[] = {
1733         { "da7213", 0 },
1734         { }
1735 };
1736 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
1737
1738 /* I2C codec control layer */
1739 static struct i2c_driver da7213_i2c_driver = {
1740         .driver = {
1741                 .name = "da7213",
1742                 .of_match_table = of_match_ptr(da7213_of_match),
1743         },
1744         .probe          = da7213_i2c_probe,
1745         .remove         = da7213_remove,
1746         .id_table       = da7213_i2c_id,
1747 };
1748
1749 module_i2c_driver(da7213_i2c_driver);
1750
1751 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
1752 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1753 MODULE_LICENSE("GPL");