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/acpi.h>
  16 #include <linux/clk.h>
  17 #include <linux/delay.h>
  18 #include <linux/i2c.h>
  19 #include <linux/regmap.h>
  20 #include <linux/slab.h>
  21 #include <linux/module.h>
  22 #include <sound/pcm.h>
  23 #include <sound/pcm_params.h>
  24 #include <sound/soc.h>
  25 #include <sound/initval.h>
  26 #include <sound/tlv.h>
  27
  28 #include <sound/da7213.h>
  29 #include "da7213.h"
  30
  31
  32 /* Gain and Volume */
  33 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
  34         /* -54dB */
  35         0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
  36         /* -52.5dB to 15dB */
  37         0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
  38 );
  39
  40 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
  41         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  42         /* -78dB to 12dB */
  43         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
  44 );
  45
  46 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
  47         0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  48         /* 0dB to 36dB */
  49         0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
  50 );
  51
  52 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
  53 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
  54 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
  55 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
  56 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
  57 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
  58 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
  59
  60 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
  61 static const char * const da7213_voice_hpf_corner_txt[] = {
  62         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
  63 };
  64
  65 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
  66                             DA7213_DAC_FILTERS1,
  67                             DA7213_VOICE_HPF_CORNER_SHIFT,
  68                             da7213_voice_hpf_corner_txt);
  69
  70 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
  71                             DA7213_ADC_FILTERS1,
  72                             DA7213_VOICE_HPF_CORNER_SHIFT,
  73                             da7213_voice_hpf_corner_txt);
  74
  75 /* ADC and DAC high pass filter cutoff value */
  76 static const char * const da7213_audio_hpf_corner_txt[] = {
  77         "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
  78 };
  79
  80 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
  81                             DA7213_DAC_FILTERS1
  82                             , DA7213_AUDIO_HPF_CORNER_SHIFT,
  83                             da7213_audio_hpf_corner_txt);
  84
  85 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
  86                             DA7213_ADC_FILTERS1,
  87                             DA7213_AUDIO_HPF_CORNER_SHIFT,
  88                             da7213_audio_hpf_corner_txt);
  89
  90 /* Gain ramping rate value */
  91 static const char * const da7213_gain_ramp_rate_txt[] = {
  92         "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
  93         "nominal rate / 32"
  94 };
  95
  96 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
  97                             DA7213_GAIN_RAMP_CTRL,
  98                             DA7213_GAIN_RAMP_RATE_SHIFT,
  99                             da7213_gain_ramp_rate_txt);
 100
 101 /* DAC noise gate setup time value */
 102 static const char * const da7213_dac_ng_setup_time_txt[] = {
 103         "256 samples", "512 samples", "1024 samples", "2048 samples"
 104 };
 105
 106 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
 107                             DA7213_DAC_NG_SETUP_TIME,
 108                             DA7213_DAC_NG_SETUP_TIME_SHIFT,
 109                             da7213_dac_ng_setup_time_txt);
 110
 111 /* DAC noise gate rampup rate value */
 112 static const char * const da7213_dac_ng_rampup_txt[] = {
 113         "0.02 ms/dB", "0.16 ms/dB"
 114 };
 115
 116 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
 117                             DA7213_DAC_NG_SETUP_TIME,
 118                             DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
 119                             da7213_dac_ng_rampup_txt);
 120
 121 /* DAC noise gate rampdown rate value */
 122 static const char * const da7213_dac_ng_rampdown_txt[] = {
 123         "0.64 ms/dB", "20.48 ms/dB"
 124 };
 125
 126 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
 127                             DA7213_DAC_NG_SETUP_TIME,
 128                             DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
 129                             da7213_dac_ng_rampdown_txt);
 130
 131 /* DAC soft mute rate value */
 132 static const char * const da7213_dac_soft_mute_rate_txt[] = {
 133         "1", "2", "4", "8", "16", "32", "64"
 134 };
 135
 136 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
 137                             DA7213_DAC_FILTERS5,
 138                             DA7213_DAC_SOFTMUTE_RATE_SHIFT,
 139                             da7213_dac_soft_mute_rate_txt);
 140
 141 /* ALC Attack Rate select */
 142 static const char * const da7213_alc_attack_rate_txt[] = {
 143         "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
 144         "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 145 };
 146
 147 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
 148                             DA7213_ALC_CTRL2,
 149                             DA7213_ALC_ATTACK_SHIFT,
 150                             da7213_alc_attack_rate_txt);
 151
 152 /* ALC Release Rate select */
 153 static const char * const da7213_alc_release_rate_txt[] = {
 154         "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
 155         "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 156 };
 157
 158 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
 159                             DA7213_ALC_CTRL2,
 160                             DA7213_ALC_RELEASE_SHIFT,
 161                             da7213_alc_release_rate_txt);
 162
 163 /* ALC Hold Time select */
 164 static const char * const da7213_alc_hold_time_txt[] = {
 165         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
 166         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
 167         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
 168 };
 169
 170 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
 171                             DA7213_ALC_CTRL3,
 172                             DA7213_ALC_HOLD_SHIFT,
 173                             da7213_alc_hold_time_txt);
 174
 175 /* ALC Input Signal Tracking rate select */
 176 static const char * const da7213_alc_integ_rate_txt[] = {
 177         "1/4", "1/16", "1/256", "1/65536"
 178 };
 179
 180 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
 181                             DA7213_ALC_CTRL3,
 182                             DA7213_ALC_INTEG_ATTACK_SHIFT,
 183                             da7213_alc_integ_rate_txt);
 184
 185 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
 186                             DA7213_ALC_CTRL3,
 187                             DA7213_ALC_INTEG_RELEASE_SHIFT,
 188                             da7213_alc_integ_rate_txt);
 189
 190
 191 /*
 192  * Control Functions
 193  */
 194
 195 static int da7213_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
 196 {
 197         int mid_data, top_data;
 198         int sum = 0;
 199         u8 iteration;
 200
 201         for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
 202              iteration++) {
 203                 /* Select the left or right channel and capture data */
 204                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
 205
 206                 /* Select middle 8 bits for read back from data register */
 207                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
 208                               reg_val | DA7213_ALC_DATA_MIDDLE);
 209                 mid_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
 210
 211                 /* Select top 8 bits for read back from data register */
 212                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
 213                               reg_val | DA7213_ALC_DATA_TOP);
 214                 top_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
 215
 216                 sum += ((mid_data << 8) | (top_data << 16));
 217         }
 218
 219         return sum / DA7213_ALC_AVG_ITERATIONS;
 220 }
 221
 222 static void da7213_alc_calib_man(struct snd_soc_codec *codec)
 223 {
 224         u8 reg_val;
 225         int avg_left_data, avg_right_data, offset_l, offset_r;
 226
 227         /* Calculate average for Left and Right data */
 228         /* Left Data */
 229         avg_left_data = da7213_get_alc_data(codec,
 230                         DA7213_ALC_CIC_OP_CHANNEL_LEFT);
 231         /* Right Data */
 232         avg_right_data = da7213_get_alc_data(codec,
 233                          DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
 234
 235         /* Calculate DC offset */
 236         offset_l = -avg_left_data;
 237         offset_r = -avg_right_data;
 238
 239         reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
 240         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
 241         reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
 242         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
 243
 244         reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
 245         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
 246         reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
 247         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
 248
 249         /* Enable analog/digital gain mode & offset cancellation */
 250         snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 251                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 252                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 253 }
 254
 255 static void da7213_alc_calib_auto(struct snd_soc_codec *codec)
 256 {
 257         u8 alc_ctrl1;
 258
 259         /* Begin auto calibration and wait for completion */
 260         snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
 261                             DA7213_ALC_AUTO_CALIB_EN);
 262         do {
 263                 alc_ctrl1 = snd_soc_read(codec, DA7213_ALC_CTRL1);
 264         } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
 265
 266         /* If auto calibration fails, fall back to digital gain only mode */
 267         if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
 268                 dev_warn(codec->dev,
 269                          "ALC auto calibration failed with overflow\n");
 270                 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 271                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 272                                     0);
 273         } else {
 274                 /* Enable analog/digital gain mode & offset cancellation */
 275                 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 276                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 277                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 278         }
 279
 280 }
 281
 282 static void da7213_alc_calib(struct snd_soc_codec *codec)
 283 {
 284         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 285         u8 adc_l_ctrl, adc_r_ctrl;
 286         u8 mixin_l_sel, mixin_r_sel;
 287         u8 mic_1_ctrl, mic_2_ctrl;
 288
 289         /* Save current values from ADC control registers */
 290         adc_l_ctrl = snd_soc_read(codec, DA7213_ADC_L_CTRL);
 291         adc_r_ctrl = snd_soc_read(codec, DA7213_ADC_R_CTRL);
 292
 293         /* Save current values from MIXIN_L/R_SELECT registers */
 294         mixin_l_sel = snd_soc_read(codec, DA7213_MIXIN_L_SELECT);
 295         mixin_r_sel = snd_soc_read(codec, DA7213_MIXIN_R_SELECT);
 296
 297         /* Save current values from MIC control registers */
 298         mic_1_ctrl = snd_soc_read(codec, DA7213_MIC_1_CTRL);
 299         mic_2_ctrl = snd_soc_read(codec, DA7213_MIC_2_CTRL);
 300
 301         /* Enable ADC Left and Right */
 302         snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
 303                             DA7213_ADC_EN);
 304         snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
 305                             DA7213_ADC_EN);
 306
 307         /* Enable MIC paths */
 308         snd_soc_update_bits(codec, DA7213_MIXIN_L_SELECT,
 309                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 310                             DA7213_MIXIN_L_MIX_SELECT_MIC_2,
 311                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 312                             DA7213_MIXIN_L_MIX_SELECT_MIC_2);
 313         snd_soc_update_bits(codec, DA7213_MIXIN_R_SELECT,
 314                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 315                             DA7213_MIXIN_R_MIX_SELECT_MIC_1,
 316                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 317                             DA7213_MIXIN_R_MIX_SELECT_MIC_1);
 318
 319         /* Mute MIC PGAs */
 320         snd_soc_update_bits(codec, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
 321                             DA7213_MUTE_EN);
 322         snd_soc_update_bits(codec, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
 323                             DA7213_MUTE_EN);
 324
 325         /* Perform calibration */
 326         if (da7213->alc_calib_auto)
 327                 da7213_alc_calib_auto(codec);
 328         else
 329                 da7213_alc_calib_man(codec);
 330
 331         /* Restore MIXIN_L/R_SELECT registers to their original states */
 332         snd_soc_write(codec, DA7213_MIXIN_L_SELECT, mixin_l_sel);
 333         snd_soc_write(codec, DA7213_MIXIN_R_SELECT, mixin_r_sel);
 334
 335         /* Restore ADC control registers to their original states */
 336         snd_soc_write(codec, DA7213_ADC_L_CTRL, adc_l_ctrl);
 337         snd_soc_write(codec, DA7213_ADC_R_CTRL, adc_r_ctrl);
 338
 339         /* Restore original values of MIC control registers */
 340         snd_soc_write(codec, DA7213_MIC_1_CTRL, mic_1_ctrl);
 341         snd_soc_write(codec, DA7213_MIC_2_CTRL, mic_2_ctrl);
 342 }
 343
 344 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
 345                                 struct snd_ctl_elem_value *ucontrol)
 346 {
 347         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 348         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 349         int ret;
 350
 351         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 352
 353         /* If ALC in operation, make sure calibrated offsets are updated */
 354         if ((!ret) && (da7213->alc_en))
 355                 da7213_alc_calib(codec);
 356
 357         return ret;
 358 }
 359
 360 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
 361                             struct snd_ctl_elem_value *ucontrol)
 362 {
 363         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 364         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 365
 366         /* Force ALC offset calibration if enabling ALC */
 367         if (ucontrol->value.integer.value[0] ||
 368             ucontrol->value.integer.value[1]) {
 369                 if (!da7213->alc_en) {
 370                         da7213_alc_calib(codec);
 371                         da7213->alc_en = true;
 372                 }
 373         } else {
 374                 da7213->alc_en = false;
 375         }
 376
 377         return snd_soc_put_volsw(kcontrol, ucontrol);
 378 }
 379
 380
 381 /*
 382  * KControls
 383  */
 384
 385 static const struct snd_kcontrol_new da7213_snd_controls[] = {
 386
 387         /* Volume controls */
 388         SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
 389                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 390                        DA7213_NO_INVERT, mic_vol_tlv),
 391         SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
 392                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 393                        DA7213_NO_INVERT, mic_vol_tlv),
 394         SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
 395                          DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
 396                          DA7213_NO_INVERT, aux_vol_tlv),
 397         SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
 398                              DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
 399                              DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
 400                              snd_soc_get_volsw_2r, da7213_put_mixin_gain,
 401                              mixin_gain_tlv),
 402         SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
 403                          DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
 404                          DA7213_NO_INVERT, digital_gain_tlv),
 405         SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
 406                          DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
 407                          DA7213_NO_INVERT, digital_gain_tlv),
 408         SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
 409                          DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
 410                          DA7213_NO_INVERT, hp_vol_tlv),
 411         SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
 412                        DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
 413                        DA7213_NO_INVERT, lineout_vol_tlv),
 414
 415         /* DAC Equalizer controls */
 416         SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
 417                    DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
 418         SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
 419                        DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 420                        DA7213_NO_INVERT, eq_gain_tlv),
 421         SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
 422                        DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 423                        DA7213_NO_INVERT, eq_gain_tlv),
 424         SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
 425                        DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 426                        DA7213_NO_INVERT, eq_gain_tlv),
 427         SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
 428                        DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 429                        DA7213_NO_INVERT, eq_gain_tlv),
 430         SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
 431                        DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 432                        DA7213_NO_INVERT, eq_gain_tlv),
 433
 434         /* High Pass Filter and Voice Mode controls */
 435         SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
 436                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 437         SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
 438         SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
 439                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 440                    DA7213_NO_INVERT),
 441         SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
 442
 443         SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
 444                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 445         SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
 446         SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
 447                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 448                    DA7213_NO_INVERT),
 449         SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
 450
 451         /* Mute controls */
 452         SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
 453                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 454         SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
 455                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 456         SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 457                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 458         SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
 459                      DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
 460                      DA7213_MUTE_EN_MAX, DA7213_INVERT),
 461         SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
 462                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 463         SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 464                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 465         SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
 466                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 467         SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
 468                    DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
 469                    DA7213_NO_INVERT),
 470         SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
 471
 472         /* Zero Cross controls */
 473         SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 474                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 475         SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
 476                      DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
 477                      DA7213_NO_INVERT),
 478         SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 479                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 480
 481         /* Gain Ramping controls */
 482         SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
 483                      DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 484                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 485         SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
 486                      DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 487                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 488         SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
 489                      DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 490                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 491         SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
 492                      DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 493                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 494         SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
 495                      DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 496                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 497         SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
 498                    DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
 499                    DA7213_NO_INVERT),
 500         SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
 501
 502         /* DAC Noise Gate controls */
 503         SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
 504                    DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
 505         SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
 506         SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
 507         SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
 508         SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
 509                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 510                    DA7213_NO_INVERT),
 511         SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
 512                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 513                    DA7213_NO_INVERT),
 514
 515         /* DAC Routing & Inversion */
 516         SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
 517                    DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
 518                    DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
 519         SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
 520                    DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
 521                    DA7213_NO_INVERT),
 522
 523         /* DMIC controls */
 524         SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
 525                      DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
 526                      DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
 527
 528         /* ALC Controls */
 529         SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
 530                        DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
 531                        DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
 532         SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
 533         SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
 534         SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
 535         /*
 536          * Rate at which input signal envelope is tracked as the signal gets
 537          * larger
 538          */
 539         SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
 540         /*
 541          * Rate at which input signal envelope is tracked as the signal gets
 542          * smaller
 543          */
 544         SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
 545         SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
 546                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 547                        DA7213_INVERT, alc_threshold_tlv),
 548         SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
 549                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 550                        DA7213_INVERT, alc_threshold_tlv),
 551         SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
 552                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 553                        DA7213_INVERT, alc_threshold_tlv),
 554         SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
 555                        DA7213_ALC_ATTEN_MAX_SHIFT,
 556                        DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
 557                        alc_gain_tlv),
 558         SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
 559                        DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
 560                        DA7213_NO_INVERT, alc_gain_tlv),
 561         SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 562                        DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 563                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 564         SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 565                        DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 566                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 567         SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
 568                    DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
 569                    DA7213_NO_INVERT),
 570         SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
 571                    DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
 572                    DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
 573 };
 574
 575
 576 /*
 577  * DAPM
 578  */
 579
 580 /*
 581  * Enums
 582  */
 583
 584 /* MIC PGA source select */
 585 static const char * const da7213_mic_amp_in_sel_txt[] = {
 586         "Differential", "MIC_P", "MIC_N"
 587 };
 588
 589 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
 590                             DA7213_MIC_1_CTRL,
 591                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 592                             da7213_mic_amp_in_sel_txt);
 593 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
 594         SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
 595
 596 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
 597                             DA7213_MIC_2_CTRL,
 598                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 599                             da7213_mic_amp_in_sel_txt);
 600 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
 601         SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
 602
 603 /* DAI routing select */
 604 static const char * const da7213_dai_src_txt[] = {
 605         "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
 606 };
 607
 608 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
 609                             DA7213_DIG_ROUTING_DAI,
 610                             DA7213_DAI_L_SRC_SHIFT,
 611                             da7213_dai_src_txt);
 612 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
 613         SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
 614
 615 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
 616                             DA7213_DIG_ROUTING_DAI,
 617                             DA7213_DAI_R_SRC_SHIFT,
 618                             da7213_dai_src_txt);
 619 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
 620         SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
 621
 622 /* DAC routing select */
 623 static const char * const da7213_dac_src_txt[] = {
 624         "ADC Output Left", "ADC Output Right", "DAI Input Left",
 625         "DAI Input Right"
 626 };
 627
 628 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
 629                             DA7213_DIG_ROUTING_DAC,
 630                             DA7213_DAC_L_SRC_SHIFT,
 631                             da7213_dac_src_txt);
 632 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
 633         SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
 634
 635 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
 636                             DA7213_DIG_ROUTING_DAC,
 637                             DA7213_DAC_R_SRC_SHIFT,
 638                             da7213_dac_src_txt);
 639 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
 640         SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
 641
 642 /*
 643  * Mixer Controls
 644  */
 645
 646 /* Mixin Left */
 647 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
 648         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
 649                         DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
 650                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 651         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
 652                         DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
 653                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 654         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
 655                         DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
 656                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 657         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
 658                         DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
 659                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 660 };
 661
 662 /* Mixin Right */
 663 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
 664         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
 665                         DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
 666                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 667         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
 668                         DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
 669                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 670         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
 671                         DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
 672                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 673         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
 674                         DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
 675                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 676 };
 677
 678 /* Mixout Left */
 679 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
 680         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
 681                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
 682                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 683         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
 684                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
 685                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 686         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
 687                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
 688                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 689         SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
 690                         DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
 691                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 692         SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 693                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
 694                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 695         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 696                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 697                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 698         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
 699                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 700                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 701 };
 702
 703 /* Mixout Right */
 704 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
 705         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
 706                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
 707                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 708         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
 709                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
 710                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 711         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
 712                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
 713                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 714         SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
 715                         DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
 716                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 717         SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 718                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
 719                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 720         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 721                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 722                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 723         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
 724                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 725                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 726 };
 727
 728
 729 /*
 730  * DAPM Events
 731  */
 732
 733 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
 734                             struct snd_kcontrol *kcontrol, int event)
 735 {
 736         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 737         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 738         u8 pll_ctrl, pll_status;
 739         int i = 0;
 740         bool srm_lock = false;
 741
 742         switch (event) {
 743         case SND_SOC_DAPM_PRE_PMU:
 744                 /* Enable DAI clks for master mode */
 745                 if (da7213->master)
 746                         snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
 747                                             DA7213_DAI_CLK_EN_MASK,
 748                                             DA7213_DAI_CLK_EN_MASK);
 749
 750                 /* PC synchronised to DAI */
 751                 snd_soc_update_bits(codec, DA7213_PC_COUNT,
 752                                     DA7213_PC_FREERUN_MASK, 0);
 753
 754                 /* If SRM not enabled then nothing more to do */
 755                 pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL);
 756                 if (!(pll_ctrl & DA7213_PLL_SRM_EN))
 757                         return 0;
 758
 759                 /* Assist 32KHz mode PLL lock */
 760                 if (pll_ctrl & DA7213_PLL_32K_MODE) {
 761                         snd_soc_write(codec, 0xF0, 0x8B);
 762                         snd_soc_write(codec, 0xF2, 0x03);
 763                         snd_soc_write(codec, 0xF0, 0x00);
 764                 }
 765
 766                 /* Check SRM has locked */
 767                 do {
 768                         pll_status = snd_soc_read(codec, DA7213_PLL_STATUS);
 769                         if (pll_status & DA7219_PLL_SRM_LOCK) {
 770                                 srm_lock = true;
 771                         } else {
 772                                 ++i;
 773                                 msleep(50);
 774                         }
 775                 } while ((i < DA7213_SRM_CHECK_RETRIES) & (!srm_lock));
 776
 777                 if (!srm_lock)
 778                         dev_warn(codec->dev, "SRM failed to lock\n");
 779
 780                 return 0;
 781         case SND_SOC_DAPM_POST_PMD:
 782                 /* Revert 32KHz PLL lock udpates if applied previously */
 783                 pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL);
 784                 if (pll_ctrl & DA7213_PLL_32K_MODE) {
 785                         snd_soc_write(codec, 0xF0, 0x8B);
 786                         snd_soc_write(codec, 0xF2, 0x01);
 787                         snd_soc_write(codec, 0xF0, 0x00);
 788                 }
 789
 790                 /* PC free-running */
 791                 snd_soc_update_bits(codec, DA7213_PC_COUNT,
 792                                     DA7213_PC_FREERUN_MASK,
 793                                     DA7213_PC_FREERUN_MASK);
 794
 795                 /* Disable DAI clks if in master mode */
 796                 if (da7213->master)
 797                         snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
 798                                             DA7213_DAI_CLK_EN_MASK, 0);
 799                 return 0;
 800         default:
 801                 return -EINVAL;
 802         }
 803 }
 804
 805
 806 /*
 807  * DAPM widgets
 808  */
 809
 810 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
 811         /*
 812          * Input & Output
 813          */
 814
 815         /* Use a supply here as this controls both input & output DAIs */
 816         SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
 817                             DA7213_NO_INVERT, da7213_dai_event,
 818                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 819
 820         /*
 821          * Input
 822          */
 823
 824         /* Input Lines */
 825         SND_SOC_DAPM_INPUT("MIC1"),
 826         SND_SOC_DAPM_INPUT("MIC2"),
 827         SND_SOC_DAPM_INPUT("AUXL"),
 828         SND_SOC_DAPM_INPUT("AUXR"),
 829
 830         /* MUXs for Mic PGA source selection */
 831         SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 832                          &da7213_mic_1_amp_in_sel_mux),
 833         SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 834                          &da7213_mic_2_amp_in_sel_mux),
 835
 836         /* Input PGAs */
 837         SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
 838                          DA7213_NO_INVERT, NULL, 0),
 839         SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
 840                          DA7213_NO_INVERT, NULL, 0),
 841         SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
 842                          DA7213_NO_INVERT, NULL, 0),
 843         SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
 844                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 845         SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
 846                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 847         SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
 848                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 849
 850         /* Mic Biases */
 851         SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
 852                             DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
 853                             NULL, 0),
 854         SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
 855                             DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
 856                             NULL, 0),
 857
 858         /* Input Mixers */
 859         SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
 860                            &da7213_dapm_mixinl_controls[0],
 861                            ARRAY_SIZE(da7213_dapm_mixinl_controls)),
 862         SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
 863                            &da7213_dapm_mixinr_controls[0],
 864                            ARRAY_SIZE(da7213_dapm_mixinr_controls)),
 865
 866         /* ADCs */
 867         SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
 868                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 869         SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
 870                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 871
 872         /* DAI */
 873         SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
 874                          &da7213_dai_l_src_mux),
 875         SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
 876                          &da7213_dai_r_src_mux),
 877         SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
 878         SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
 879
 880         /*
 881          * Output
 882          */
 883
 884         /* DAI */
 885         SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
 886         SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
 887         SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
 888                          &da7213_dac_l_src_mux),
 889         SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
 890                          &da7213_dac_r_src_mux),
 891
 892         /* DACs */
 893         SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
 894                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 895         SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
 896                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 897
 898         /* Output Mixers */
 899         SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
 900                            &da7213_dapm_mixoutl_controls[0],
 901                            ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
 902         SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
 903                            &da7213_dapm_mixoutr_controls[0],
 904                            ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
 905
 906         /* Output PGAs */
 907         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
 908                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 909         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
 910                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 911         SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
 912                          DA7213_NO_INVERT, NULL, 0),
 913         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
 914                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 915         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
 916                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 917
 918         /* Charge Pump */
 919         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
 920                             DA7213_NO_INVERT, NULL, 0),
 921
 922         /* Output Lines */
 923         SND_SOC_DAPM_OUTPUT("HPL"),
 924         SND_SOC_DAPM_OUTPUT("HPR"),
 925         SND_SOC_DAPM_OUTPUT("LINE"),
 926 };
 927
 928
 929 /*
 930  * DAPM audio route definition
 931  */
 932
 933 static const struct snd_soc_dapm_route da7213_audio_map[] = {
 934         /* Dest       Connecting Widget    source */
 935
 936         /* Input path */
 937         {"MIC1", NULL, "Mic Bias 1"},
 938         {"MIC2", NULL, "Mic Bias 2"},
 939
 940         {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
 941         {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
 942         {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
 943
 944         {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
 945         {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
 946         {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
 947
 948         {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
 949         {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
 950
 951         {"Aux Left PGA", NULL, "AUXL"},
 952         {"Aux Right PGA", NULL, "AUXR"},
 953
 954         {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
 955         {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
 956         {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
 957         {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
 958
 959         {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
 960         {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
 961         {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
 962         {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
 963
 964         {"Mixin Left PGA", NULL, "Mixin Left"},
 965         {"ADC Left", NULL, "Mixin Left PGA"},
 966
 967         {"Mixin Right PGA", NULL, "Mixin Right"},
 968         {"ADC Right", NULL, "Mixin Right PGA"},
 969
 970         {"DAI Left Source MUX", "ADC Left", "ADC Left"},
 971         {"DAI Left Source MUX", "ADC Right", "ADC Right"},
 972         {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
 973         {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
 974
 975         {"DAI Right Source MUX", "ADC Left", "ADC Left"},
 976         {"DAI Right Source MUX", "ADC Right", "ADC Right"},
 977         {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
 978         {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
 979
 980         {"DAIOUTL", NULL, "DAI Left Source MUX"},
 981         {"DAIOUTR", NULL, "DAI Right Source MUX"},
 982
 983         {"DAIOUTL", NULL, "DAI"},
 984         {"DAIOUTR", NULL, "DAI"},
 985
 986         /* Output path */
 987         {"DAIINL", NULL, "DAI"},
 988         {"DAIINR", NULL, "DAI"},
 989
 990         {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
 991         {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
 992         {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
 993         {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
 994
 995         {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
 996         {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
 997         {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
 998         {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
 999
1000         {"DAC Left", NULL, "DAC Left Source MUX"},
1001         {"DAC Right", NULL, "DAC Right Source MUX"},
1002
1003         {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1004         {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1005         {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1006         {"Mixout Left", "DAC Left Switch", "DAC Left"},
1007         {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1008         {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1009         {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1010
1011         {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1012         {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1013         {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1014         {"Mixout Right", "DAC Right Switch", "DAC Right"},
1015         {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1016         {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1017         {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1018
1019         {"Mixout Left PGA", NULL, "Mixout Left"},
1020         {"Mixout Right PGA", NULL, "Mixout Right"},
1021
1022         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1023         {"Headphone Left PGA", NULL, "Charge Pump"},
1024         {"HPL", NULL, "Headphone Left PGA"},
1025
1026         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1027         {"Headphone Right PGA", NULL, "Charge Pump"},
1028         {"HPR", NULL, "Headphone Right PGA"},
1029
1030         {"Lineout PGA", NULL, "Mixout Right PGA"},
1031         {"LINE", NULL, "Lineout PGA"},
1032 };
1033
1034 static const struct reg_default da7213_reg_defaults[] = {
1035         { DA7213_DIG_ROUTING_DAI, 0x10 },
1036         { DA7213_SR, 0x0A },
1037         { DA7213_REFERENCES, 0x80 },
1038         { DA7213_PLL_FRAC_TOP, 0x00 },
1039         { DA7213_PLL_FRAC_BOT, 0x00 },
1040         { DA7213_PLL_INTEGER, 0x20 },
1041         { DA7213_PLL_CTRL, 0x0C },
1042         { DA7213_DAI_CLK_MODE, 0x01 },
1043         { DA7213_DAI_CTRL, 0x08 },
1044         { DA7213_DIG_ROUTING_DAC, 0x32 },
1045         { DA7213_AUX_L_GAIN, 0x35 },
1046         { DA7213_AUX_R_GAIN, 0x35 },
1047         { DA7213_MIXIN_L_SELECT, 0x00 },
1048         { DA7213_MIXIN_R_SELECT, 0x00 },
1049         { DA7213_MIXIN_L_GAIN, 0x03 },
1050         { DA7213_MIXIN_R_GAIN, 0x03 },
1051         { DA7213_ADC_L_GAIN, 0x6F },
1052         { DA7213_ADC_R_GAIN, 0x6F },
1053         { DA7213_ADC_FILTERS1, 0x80 },
1054         { DA7213_MIC_1_GAIN, 0x01 },
1055         { DA7213_MIC_2_GAIN, 0x01 },
1056         { DA7213_DAC_FILTERS5, 0x00 },
1057         { DA7213_DAC_FILTERS2, 0x88 },
1058         { DA7213_DAC_FILTERS3, 0x88 },
1059         { DA7213_DAC_FILTERS4, 0x08 },
1060         { DA7213_DAC_FILTERS1, 0x80 },
1061         { DA7213_DAC_L_GAIN, 0x6F },
1062         { DA7213_DAC_R_GAIN, 0x6F },
1063         { DA7213_CP_CTRL, 0x61 },
1064         { DA7213_HP_L_GAIN, 0x39 },
1065         { DA7213_HP_R_GAIN, 0x39 },
1066         { DA7213_LINE_GAIN, 0x30 },
1067         { DA7213_MIXOUT_L_SELECT, 0x00 },
1068         { DA7213_MIXOUT_R_SELECT, 0x00 },
1069         { DA7213_SYSTEM_MODES_INPUT, 0x00 },
1070         { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1071         { DA7213_AUX_L_CTRL, 0x44 },
1072         { DA7213_AUX_R_CTRL, 0x44 },
1073         { DA7213_MICBIAS_CTRL, 0x11 },
1074         { DA7213_MIC_1_CTRL, 0x40 },
1075         { DA7213_MIC_2_CTRL, 0x40 },
1076         { DA7213_MIXIN_L_CTRL, 0x40 },
1077         { DA7213_MIXIN_R_CTRL, 0x40 },
1078         { DA7213_ADC_L_CTRL, 0x40 },
1079         { DA7213_ADC_R_CTRL, 0x40 },
1080         { DA7213_DAC_L_CTRL, 0x48 },
1081         { DA7213_DAC_R_CTRL, 0x40 },
1082         { DA7213_HP_L_CTRL, 0x41 },
1083         { DA7213_HP_R_CTRL, 0x40 },
1084         { DA7213_LINE_CTRL, 0x40 },
1085         { DA7213_MIXOUT_L_CTRL, 0x10 },
1086         { DA7213_MIXOUT_R_CTRL, 0x10 },
1087         { DA7213_LDO_CTRL, 0x00 },
1088         { DA7213_IO_CTRL, 0x00 },
1089         { DA7213_GAIN_RAMP_CTRL, 0x00},
1090         { DA7213_MIC_CONFIG, 0x00 },
1091         { DA7213_PC_COUNT, 0x00 },
1092         { DA7213_CP_VOL_THRESHOLD1, 0x32 },
1093         { DA7213_CP_DELAY, 0x95 },
1094         { DA7213_CP_DETECTOR, 0x00 },
1095         { DA7213_DAI_OFFSET, 0x00 },
1096         { DA7213_DIG_CTRL, 0x00 },
1097         { DA7213_ALC_CTRL2, 0x00 },
1098         { DA7213_ALC_CTRL3, 0x00 },
1099         { DA7213_ALC_NOISE, 0x3F },
1100         { DA7213_ALC_TARGET_MIN, 0x3F },
1101         { DA7213_ALC_TARGET_MAX, 0x00 },
1102         { DA7213_ALC_GAIN_LIMITS, 0xFF },
1103         { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1104         { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1105         { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1106         { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1107         { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1108         { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1109         { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1110         { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1111         { DA7213_DAC_NG_SETUP_TIME, 0x00 },
1112         { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1113         { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1114         { DA7213_DAC_NG_CTRL, 0x00 },
1115 };
1116
1117 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1118 {
1119         switch (reg) {
1120         case DA7213_STATUS1:
1121         case DA7213_PLL_STATUS:
1122         case DA7213_AUX_L_GAIN_STATUS:
1123         case DA7213_AUX_R_GAIN_STATUS:
1124         case DA7213_MIC_1_GAIN_STATUS:
1125         case DA7213_MIC_2_GAIN_STATUS:
1126         case DA7213_MIXIN_L_GAIN_STATUS:
1127         case DA7213_MIXIN_R_GAIN_STATUS:
1128         case DA7213_ADC_L_GAIN_STATUS:
1129         case DA7213_ADC_R_GAIN_STATUS:
1130         case DA7213_DAC_L_GAIN_STATUS:
1131         case DA7213_DAC_R_GAIN_STATUS:
1132         case DA7213_HP_L_GAIN_STATUS:
1133         case DA7213_HP_R_GAIN_STATUS:
1134         case DA7213_LINE_GAIN_STATUS:
1135         case DA7213_ALC_CTRL1:
1136         case DA7213_ALC_OFFSET_AUTO_M_L:
1137         case DA7213_ALC_OFFSET_AUTO_U_L:
1138         case DA7213_ALC_OFFSET_AUTO_M_R:
1139         case DA7213_ALC_OFFSET_AUTO_U_R:
1140         case DA7213_ALC_CIC_OP_LVL_DATA:
1141                 return 1;
1142         default:
1143                 return 0;
1144         }
1145 }
1146
1147 static int da7213_hw_params(struct snd_pcm_substream *substream,
1148                             struct snd_pcm_hw_params *params,
1149                             struct snd_soc_dai *dai)
1150 {
1151         struct snd_soc_codec *codec = dai->codec;
1152         u8 dai_ctrl = 0;
1153         u8 fs;
1154
1155         /* Set DAI format */
1156         switch (params_width(params)) {
1157         case 16:
1158                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1159                 break;
1160         case 20:
1161                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1162                 break;
1163         case 24:
1164                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1165                 break;
1166         case 32:
1167                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1168                 break;
1169         default:
1170                 return -EINVAL;
1171         }
1172
1173         /* Set sampling rate */
1174         switch (params_rate(params)) {
1175         case 8000:
1176                 fs = DA7213_SR_8000;
1177                 break;
1178         case 11025:
1179                 fs = DA7213_SR_11025;
1180                 break;
1181         case 12000:
1182                 fs = DA7213_SR_12000;
1183                 break;
1184         case 16000:
1185                 fs = DA7213_SR_16000;
1186                 break;
1187         case 22050:
1188                 fs = DA7213_SR_22050;
1189                 break;
1190         case 32000:
1191                 fs = DA7213_SR_32000;
1192                 break;
1193         case 44100:
1194                 fs = DA7213_SR_44100;
1195                 break;
1196         case 48000:
1197                 fs = DA7213_SR_48000;
1198                 break;
1199         case 88200:
1200                 fs = DA7213_SR_88200;
1201                 break;
1202         case 96000:
1203                 fs = DA7213_SR_96000;
1204                 break;
1205         default:
1206                 return -EINVAL;
1207         }
1208
1209         snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1210                             dai_ctrl);
1211         snd_soc_write(codec, DA7213_SR, fs);
1212
1213         return 0;
1214 }
1215
1216 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1217 {
1218         struct snd_soc_codec *codec = codec_dai->codec;
1219         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1220         u8 dai_clk_mode = 0, dai_ctrl = 0;
1221
1222         /* Set master/slave mode */
1223         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1224         case SND_SOC_DAIFMT_CBM_CFM:
1225                 da7213->master = true;
1226                 break;
1227         case SND_SOC_DAIFMT_CBS_CFS:
1228                 da7213->master = false;
1229                 break;
1230         default:
1231                 return -EINVAL;
1232         }
1233
1234         /* Set clock normal/inverted */
1235         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1236         case SND_SOC_DAIFMT_NB_NF:
1237                 break;
1238         case SND_SOC_DAIFMT_NB_IF:
1239                 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1240                 break;
1241         case SND_SOC_DAIFMT_IB_NF:
1242                 dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1243                 break;
1244         case SND_SOC_DAIFMT_IB_IF:
1245                 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV | DA7213_DAI_CLK_POL_INV;
1246                 break;
1247         default:
1248                 return -EINVAL;
1249         }
1250
1251         /* Only I2S is supported */
1252         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1253         case SND_SOC_DAIFMT_I2S:
1254                 dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1255                 break;
1256         case SND_SOC_DAIFMT_LEFT_J:
1257                 dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1258                 break;
1259         case SND_SOC_DAIFMT_RIGHT_J:
1260                 dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1261                 break;
1262         default:
1263                 return -EINVAL;
1264         }
1265
1266         /* By default only 64 BCLK per WCLK is supported */
1267         dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1268
1269         snd_soc_write(codec, DA7213_DAI_CLK_MODE, dai_clk_mode);
1270         snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1271                             dai_ctrl);
1272
1273         return 0;
1274 }
1275
1276 static int da7213_mute(struct snd_soc_dai *dai, int mute)
1277 {
1278         struct snd_soc_codec *codec = dai->codec;
1279
1280         if (mute) {
1281                 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1282                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1283                 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1284                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1285         } else {
1286                 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1287                                     DA7213_MUTE_EN, 0);
1288                 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1289                                     DA7213_MUTE_EN, 0);
1290         }
1291
1292         return 0;
1293 }
1294
1295 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1296                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1297
1298 static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1299                                  int clk_id, unsigned int freq, int dir)
1300 {
1301         struct snd_soc_codec *codec = codec_dai->codec;
1302         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1303         int ret = 0;
1304
1305         if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1306                 return 0;
1307
1308         if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1309                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1310                         freq);
1311                 return -EINVAL;
1312         }
1313
1314         switch (clk_id) {
1315         case DA7213_CLKSRC_MCLK:
1316                 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1317                                     DA7213_PLL_MCLK_SQR_EN, 0);
1318                 break;
1319         case DA7213_CLKSRC_MCLK_SQR:
1320                 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1321                                     DA7213_PLL_MCLK_SQR_EN,
1322                                     DA7213_PLL_MCLK_SQR_EN);
1323                 break;
1324         default:
1325                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1326                 return -EINVAL;
1327         }
1328
1329         da7213->clk_src = clk_id;
1330
1331         if (da7213->mclk) {
1332                 freq = clk_round_rate(da7213->mclk, freq);
1333                 ret = clk_set_rate(da7213->mclk, freq);
1334                 if (ret) {
1335                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1336                                 freq);
1337                         return ret;
1338                 }
1339         }
1340
1341         da7213->mclk_rate = freq;
1342
1343         return 0;
1344 }
1345
1346 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1347 static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1348                               int source, unsigned int fref, unsigned int fout)
1349 {
1350         struct snd_soc_codec *codec = codec_dai->codec;
1351         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1352
1353         u8 pll_ctrl, indiv_bits, indiv;
1354         u8 pll_frac_top, pll_frac_bot, pll_integer;
1355         u32 freq_ref;
1356         u64 frac_div;
1357
1358         /* Workout input divider based on MCLK rate */
1359         if (da7213->mclk_rate == 32768) {
1360                 if (!da7213->master) {
1361                         dev_err(codec->dev,
1362                                 "32KHz only valid if codec is clock master\n");
1363                         return -EINVAL;
1364                 }
1365
1366                 /* 32KHz PLL Mode */
1367                 indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1368                 indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1369                 source = DA7213_SYSCLK_PLL_32KHZ;
1370                 freq_ref = 3750000;
1371
1372         } else {
1373                 if (da7213->mclk_rate < 5000000) {
1374                         dev_err(codec->dev,
1375                                 "PLL input clock %d below valid range\n",
1376                                 da7213->mclk_rate);
1377                         return -EINVAL;
1378                 } else if (da7213->mclk_rate <= 9000000) {
1379                         indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1380                         indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1381                 } else if (da7213->mclk_rate <= 18000000) {
1382                         indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1383                         indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1384                 } else if (da7213->mclk_rate <= 36000000) {
1385                         indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1386                         indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1387                 } else if (da7213->mclk_rate <= 54000000) {
1388                         indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1389                         indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1390                 } else {
1391                         dev_err(codec->dev,
1392                                 "PLL input clock %d above valid range\n",
1393                                 da7213->mclk_rate);
1394                         return -EINVAL;
1395                 }
1396                 freq_ref = (da7213->mclk_rate / indiv);
1397         }
1398
1399         pll_ctrl = indiv_bits;
1400
1401         /* Configure PLL */
1402         switch (source) {
1403         case DA7213_SYSCLK_MCLK:
1404                 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1405                                     DA7213_PLL_INDIV_MASK |
1406                                     DA7213_PLL_MODE_MASK, pll_ctrl);
1407                 return 0;
1408         case DA7213_SYSCLK_PLL:
1409                 break;
1410         case DA7213_SYSCLK_PLL_SRM:
1411                 pll_ctrl |= DA7213_PLL_SRM_EN;
1412                 fout = DA7213_PLL_FREQ_OUT_94310400;
1413                 break;
1414         case DA7213_SYSCLK_PLL_32KHZ:
1415                 if (da7213->mclk_rate != 32768) {
1416                         dev_err(codec->dev,
1417                                 "32KHz mode only valid with 32KHz MCLK\n");
1418                         return -EINVAL;
1419                 }
1420
1421                 pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1422                 fout = DA7213_PLL_FREQ_OUT_94310400;
1423                 break;
1424         default:
1425                 dev_err(codec->dev, "Invalid PLL config\n");
1426                 return -EINVAL;
1427         }
1428
1429         /* Calculate dividers for PLL */
1430         pll_integer = fout / freq_ref;
1431         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1432         do_div(frac_div, freq_ref);
1433         pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1434         pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1435
1436         /* Write PLL dividers */
1437         snd_soc_write(codec, DA7213_PLL_FRAC_TOP, pll_frac_top);
1438         snd_soc_write(codec, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1439         snd_soc_write(codec, DA7213_PLL_INTEGER, pll_integer);
1440
1441         /* Enable PLL */
1442         pll_ctrl |= DA7213_PLL_EN;
1443         snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1444                             DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1445                             pll_ctrl);
1446
1447         /* Assist 32KHz mode PLL lock */
1448         if (source == DA7213_SYSCLK_PLL_32KHZ) {
1449                 snd_soc_write(codec, 0xF0, 0x8B);
1450                 snd_soc_write(codec, 0xF1, 0x03);
1451                 snd_soc_write(codec, 0xF1, 0x01);
1452                 snd_soc_write(codec, 0xF0, 0x00);
1453         }
1454
1455         return 0;
1456 }
1457
1458 /* DAI operations */
1459 static const struct snd_soc_dai_ops da7213_dai_ops = {
1460         .hw_params      = da7213_hw_params,
1461         .set_fmt        = da7213_set_dai_fmt,
1462         .set_sysclk     = da7213_set_dai_sysclk,
1463         .set_pll        = da7213_set_dai_pll,
1464         .digital_mute   = da7213_mute,
1465 };
1466
1467 static struct snd_soc_dai_driver da7213_dai = {
1468         .name = "da7213-hifi",
1469         /* Playback Capabilities */
1470         .playback = {
1471                 .stream_name = "Playback",
1472                 .channels_min = 1,
1473                 .channels_max = 2,
1474                 .rates = SNDRV_PCM_RATE_8000_96000,
1475                 .formats = DA7213_FORMATS,
1476         },
1477         /* Capture Capabilities */
1478         .capture = {
1479                 .stream_name = "Capture",
1480                 .channels_min = 1,
1481                 .channels_max = 2,
1482                 .rates = SNDRV_PCM_RATE_8000_96000,
1483                 .formats = DA7213_FORMATS,
1484         },
1485         .ops = &da7213_dai_ops,
1486         .symmetric_rates = 1,
1487 };
1488
1489 static int da7213_set_bias_level(struct snd_soc_codec *codec,
1490                                  enum snd_soc_bias_level level)
1491 {
1492         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1493         int ret;
1494
1495         switch (level) {
1496         case SND_SOC_BIAS_ON:
1497                 break;
1498         case SND_SOC_BIAS_PREPARE:
1499                 /* Enable MCLK for transition to ON state */
1500                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
1501                         if (da7213->mclk) {
1502                                 ret = clk_prepare_enable(da7213->mclk);
1503                                 if (ret) {
1504                                         dev_err(codec->dev,
1505                                                 "Failed to enable mclk\n");
1506                                         return ret;
1507                                 }
1508                         }
1509                 }
1510                 break;
1511         case SND_SOC_BIAS_STANDBY:
1512                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1513                         /* Enable VMID reference & master bias */
1514                         snd_soc_update_bits(codec, DA7213_REFERENCES,
1515                                             DA7213_VMID_EN | DA7213_BIAS_EN,
1516                                             DA7213_VMID_EN | DA7213_BIAS_EN);
1517                 } else {
1518                         /* Remove MCLK */
1519                         if (da7213->mclk)
1520                                 clk_disable_unprepare(da7213->mclk);
1521                 }
1522                 break;
1523         case SND_SOC_BIAS_OFF:
1524                 /* Disable VMID reference & master bias */
1525                 snd_soc_update_bits(codec, DA7213_REFERENCES,
1526                                     DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1527                 break;
1528         }
1529         return 0;
1530 }
1531
1532 #if defined(CONFIG_OF)
1533 /* DT */
1534 static const struct of_device_id da7213_of_match[] = {
1535         { .compatible = "dlg,da7213", },
1536         { }
1537 };
1538 MODULE_DEVICE_TABLE(of, da7213_of_match);
1539 #endif
1540
1541 #ifdef CONFIG_ACPI
1542 static const struct acpi_device_id da7213_acpi_match[] = {
1543         { "DLGS7212", 0},
1544         { "DLGS7213", 0},
1545         { },
1546 };
1547 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1548 #endif
1549
1550 static enum da7213_micbias_voltage
1551         da7213_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
1552 {
1553         switch (val) {
1554         case 1600:
1555                 return DA7213_MICBIAS_1_6V;
1556         case 2200:
1557                 return DA7213_MICBIAS_2_2V;
1558         case 2500:
1559                 return DA7213_MICBIAS_2_5V;
1560         case 3000:
1561                 return DA7213_MICBIAS_3_0V;
1562         default:
1563                 dev_warn(codec->dev, "Invalid micbias level\n");
1564                 return DA7213_MICBIAS_2_2V;
1565         }
1566 }
1567
1568 static enum da7213_dmic_data_sel
1569         da7213_of_dmic_data_sel(struct snd_soc_codec *codec, const char *str)
1570 {
1571         if (!strcmp(str, "lrise_rfall")) {
1572                 return DA7213_DMIC_DATA_LRISE_RFALL;
1573         } else if (!strcmp(str, "lfall_rrise")) {
1574                 return DA7213_DMIC_DATA_LFALL_RRISE;
1575         } else {
1576                 dev_warn(codec->dev, "Invalid DMIC data select type\n");
1577                 return DA7213_DMIC_DATA_LRISE_RFALL;
1578         }
1579 }
1580
1581 static enum da7213_dmic_samplephase
1582         da7213_of_dmic_samplephase(struct snd_soc_codec *codec, const char *str)
1583 {
1584         if (!strcmp(str, "on_clkedge")) {
1585                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1586         } else if (!strcmp(str, "between_clkedge")) {
1587                 return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1588         } else {
1589                 dev_warn(codec->dev, "Invalid DMIC sample phase\n");
1590                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1591         }
1592 }
1593
1594 static enum da7213_dmic_clk_rate
1595         da7213_of_dmic_clkrate(struct snd_soc_codec *codec, u32 val)
1596 {
1597         switch (val) {
1598         case 1500000:
1599                 return DA7213_DMIC_CLK_1_5MHZ;
1600         case 3000000:
1601                 return DA7213_DMIC_CLK_3_0MHZ;
1602         default:
1603                 dev_warn(codec->dev, "Invalid DMIC clock rate\n");
1604                 return DA7213_DMIC_CLK_1_5MHZ;
1605         }
1606 }
1607
1608 static struct da7213_platform_data
1609         *da7213_of_to_pdata(struct snd_soc_codec *codec)
1610 {
1611         struct device_node *np = codec->dev->of_node;
1612         struct da7213_platform_data *pdata;
1613         const char *of_str;
1614         u32 of_val32;
1615
1616         pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
1617         if (!pdata) {
1618                 dev_warn(codec->dev, "Failed to allocate memory for pdata\n");
1619                 return NULL;
1620         }
1621
1622         if (of_property_read_u32(np, "dlg,micbias1-lvl", &of_val32) >= 0)
1623                 pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, of_val32);
1624         else
1625                 pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1626
1627         if (of_property_read_u32(np, "dlg,micbias2-lvl", &of_val32) >= 0)
1628                 pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, of_val32);
1629         else
1630                 pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1631
1632         if (!of_property_read_string(np, "dlg,dmic-data-sel", &of_str))
1633                 pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, of_str);
1634         else
1635                 pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1636
1637         if (!of_property_read_string(np, "dlg,dmic-samplephase", &of_str))
1638                 pdata->dmic_samplephase =
1639                         da7213_of_dmic_samplephase(codec, of_str);
1640         else
1641                 pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1642
1643         if (of_property_read_u32(np, "dlg,dmic-clkrate", &of_val32) >= 0)
1644                 pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, of_val32);
1645         else
1646                 pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1647
1648         return pdata;
1649 }
1650
1651
1652 static int da7213_probe(struct snd_soc_codec *codec)
1653 {
1654         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1655
1656         /* Default to using ALC auto offset calibration mode. */
1657         snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
1658                             DA7213_ALC_CALIB_MODE_MAN, 0);
1659         da7213->alc_calib_auto = true;
1660
1661         /* Default PC counter to free-running */
1662         snd_soc_update_bits(codec, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1663                             DA7213_PC_FREERUN_MASK);
1664
1665         /* Enable all Gain Ramps */
1666         snd_soc_update_bits(codec, DA7213_AUX_L_CTRL,
1667                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1668         snd_soc_update_bits(codec, DA7213_AUX_R_CTRL,
1669                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1670         snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1671                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1672         snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1673                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1674         snd_soc_update_bits(codec, DA7213_ADC_L_CTRL,
1675                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1676         snd_soc_update_bits(codec, DA7213_ADC_R_CTRL,
1677                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1678         snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1679                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1680         snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1681                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1682         snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1683                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1684         snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1685                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1686         snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1687                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1688
1689         /*
1690          * There are two separate control bits for input and output mixers as
1691          * well as headphone and line outs.
1692          * One to enable corresponding amplifier and other to enable its
1693          * output. As amplifier bits are related to power control, they are
1694          * being managed by DAPM while other (non power related) bits are
1695          * enabled here
1696          */
1697         snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1698                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1699         snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1700                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1701
1702         snd_soc_update_bits(codec, DA7213_MIXOUT_L_CTRL,
1703                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1704         snd_soc_update_bits(codec, DA7213_MIXOUT_R_CTRL,
1705                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1706
1707         snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1708                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1709         snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1710                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1711
1712         snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1713                             DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1714
1715         /* Handle DT/Platform data */
1716         if (codec->dev->of_node)
1717                 da7213->pdata = da7213_of_to_pdata(codec);
1718         else
1719                 da7213->pdata = dev_get_platdata(codec->dev);
1720
1721         /* Set platform data values */
1722         if (da7213->pdata) {
1723                 struct da7213_platform_data *pdata = da7213->pdata;
1724                 u8 micbias_lvl = 0, dmic_cfg = 0;
1725
1726                 /* Set Mic Bias voltages */
1727                 switch (pdata->micbias1_lvl) {
1728                 case DA7213_MICBIAS_1_6V:
1729                 case DA7213_MICBIAS_2_2V:
1730                 case DA7213_MICBIAS_2_5V:
1731                 case DA7213_MICBIAS_3_0V:
1732                         micbias_lvl |= (pdata->micbias1_lvl <<
1733                                         DA7213_MICBIAS1_LEVEL_SHIFT);
1734                         break;
1735                 }
1736                 switch (pdata->micbias2_lvl) {
1737                 case DA7213_MICBIAS_1_6V:
1738                 case DA7213_MICBIAS_2_2V:
1739                 case DA7213_MICBIAS_2_5V:
1740                 case DA7213_MICBIAS_3_0V:
1741                         micbias_lvl |= (pdata->micbias2_lvl <<
1742                                          DA7213_MICBIAS2_LEVEL_SHIFT);
1743                         break;
1744                 }
1745                 snd_soc_update_bits(codec, DA7213_MICBIAS_CTRL,
1746                                     DA7213_MICBIAS1_LEVEL_MASK |
1747                                     DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1748
1749                 /* Set DMIC configuration */
1750                 switch (pdata->dmic_data_sel) {
1751                 case DA7213_DMIC_DATA_LFALL_RRISE:
1752                 case DA7213_DMIC_DATA_LRISE_RFALL:
1753                         dmic_cfg |= (pdata->dmic_data_sel <<
1754                                      DA7213_DMIC_DATA_SEL_SHIFT);
1755                         break;
1756                 }
1757                 switch (pdata->dmic_samplephase) {
1758                 case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1759                 case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1760                         dmic_cfg |= (pdata->dmic_samplephase <<
1761                                      DA7213_DMIC_SAMPLEPHASE_SHIFT);
1762                         break;
1763                 }
1764                 switch (pdata->dmic_clk_rate) {
1765                 case DA7213_DMIC_CLK_3_0MHZ:
1766                 case DA7213_DMIC_CLK_1_5MHZ:
1767                         dmic_cfg |= (pdata->dmic_clk_rate <<
1768                                      DA7213_DMIC_CLK_RATE_SHIFT);
1769                         break;
1770                 }
1771                 snd_soc_update_bits(codec, DA7213_MIC_CONFIG,
1772                                     DA7213_DMIC_DATA_SEL_MASK |
1773                                     DA7213_DMIC_SAMPLEPHASE_MASK |
1774                                     DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1775         }
1776
1777         /* Check if MCLK provided */
1778         da7213->mclk = devm_clk_get(codec->dev, "mclk");
1779         if (IS_ERR(da7213->mclk)) {
1780                 if (PTR_ERR(da7213->mclk) != -ENOENT)
1781                         return PTR_ERR(da7213->mclk);
1782                 else
1783                         da7213->mclk = NULL;
1784         }
1785
1786         return 0;
1787 }
1788
1789 static struct snd_soc_codec_driver soc_codec_dev_da7213 = {
1790         .probe                  = da7213_probe,
1791         .set_bias_level         = da7213_set_bias_level,
1792
1793         .component_driver = {
1794                 .controls               = da7213_snd_controls,
1795                 .num_controls           = ARRAY_SIZE(da7213_snd_controls),
1796                 .dapm_widgets           = da7213_dapm_widgets,
1797                 .num_dapm_widgets       = ARRAY_SIZE(da7213_dapm_widgets),
1798                 .dapm_routes            = da7213_audio_map,
1799                 .num_dapm_routes        = ARRAY_SIZE(da7213_audio_map),
1800         },
1801 };
1802
1803 static const struct regmap_config da7213_regmap_config = {
1804         .reg_bits = 8,
1805         .val_bits = 8,
1806
1807         .reg_defaults = da7213_reg_defaults,
1808         .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1809         .volatile_reg = da7213_volatile_register,
1810         .cache_type = REGCACHE_RBTREE,
1811 };
1812
1813 static int da7213_i2c_probe(struct i2c_client *i2c,
1814                             const struct i2c_device_id *id)
1815 {
1816         struct da7213_priv *da7213;
1817         int ret;
1818
1819         da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv),
1820                               GFP_KERNEL);
1821         if (!da7213)
1822                 return -ENOMEM;
1823
1824         i2c_set_clientdata(i2c, da7213);
1825
1826         da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1827         if (IS_ERR(da7213->regmap)) {
1828                 ret = PTR_ERR(da7213->regmap);
1829                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1830                 return ret;
1831         }
1832
1833         ret = snd_soc_register_codec(&i2c->dev,
1834                         &soc_codec_dev_da7213, &da7213_dai, 1);
1835         if (ret < 0) {
1836                 dev_err(&i2c->dev, "Failed to register da7213 codec: %d\n",
1837                         ret);
1838         }
1839         return ret;
1840 }
1841
1842 static int da7213_remove(struct i2c_client *client)
1843 {
1844         snd_soc_unregister_codec(&client->dev);
1845         return 0;
1846 }
1847
1848 static const struct i2c_device_id da7213_i2c_id[] = {
1849         { "da7213", 0 },
1850         { }
1851 };
1852 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
1853
1854 /* I2C codec control layer */
1855 static struct i2c_driver da7213_i2c_driver = {
1856         .driver = {
1857                 .name = "da7213",
1858                 .of_match_table = of_match_ptr(da7213_of_match),
1859                 .acpi_match_table = ACPI_PTR(da7213_acpi_match),
1860         },
1861         .probe          = da7213_i2c_probe,
1862         .remove         = da7213_remove,
1863         .id_table       = da7213_i2c_id,
1864 };
1865
1866 module_i2c_driver(da7213_i2c_driver);
1867
1868 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
1869 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1870 MODULE_LICENSE("GPL");