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/of_device.h>
  17 #include <linux/property.h>
  18 #include <linux/clk.h>
  19 #include <linux/delay.h>
  20 #include <linux/i2c.h>
  21 #include <linux/regmap.h>
  22 #include <linux/slab.h>
  23 #include <linux/module.h>
  24 #include <sound/pcm.h>
  25 #include <sound/pcm_params.h>
  26 #include <sound/soc.h>
  27 #include <sound/initval.h>
  28 #include <sound/tlv.h>
  29
  30 #include <sound/da7213.h>
  31 #include "da7213.h"
  32
  33
  34 /* Gain and Volume */
  35 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
  36         /* -54dB */
  37         0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
  38         /* -52.5dB to 15dB */
  39         0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
  40 );
  41
  42 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
  43         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  44         /* -78dB to 12dB */
  45         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
  46 );
  47
  48 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
  49         0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  50         /* 0dB to 36dB */
  51         0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
  52 );
  53
  54 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
  55 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
  56 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
  57 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
  58 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
  59 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
  60 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
  61
  62 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
  63 static const char * const da7213_voice_hpf_corner_txt[] = {
  64         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
  65 };
  66
  67 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
  68                             DA7213_DAC_FILTERS1,
  69                             DA7213_VOICE_HPF_CORNER_SHIFT,
  70                             da7213_voice_hpf_corner_txt);
  71
  72 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
  73                             DA7213_ADC_FILTERS1,
  74                             DA7213_VOICE_HPF_CORNER_SHIFT,
  75                             da7213_voice_hpf_corner_txt);
  76
  77 /* ADC and DAC high pass filter cutoff value */
  78 static const char * const da7213_audio_hpf_corner_txt[] = {
  79         "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
  80 };
  81
  82 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
  83                             DA7213_DAC_FILTERS1
  84                             , DA7213_AUDIO_HPF_CORNER_SHIFT,
  85                             da7213_audio_hpf_corner_txt);
  86
  87 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
  88                             DA7213_ADC_FILTERS1,
  89                             DA7213_AUDIO_HPF_CORNER_SHIFT,
  90                             da7213_audio_hpf_corner_txt);
  91
  92 /* Gain ramping rate value */
  93 static const char * const da7213_gain_ramp_rate_txt[] = {
  94         "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
  95         "nominal rate / 32"
  96 };
  97
  98 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
  99                             DA7213_GAIN_RAMP_CTRL,
 100                             DA7213_GAIN_RAMP_RATE_SHIFT,
 101                             da7213_gain_ramp_rate_txt);
 102
 103 /* DAC noise gate setup time value */
 104 static const char * const da7213_dac_ng_setup_time_txt[] = {
 105         "256 samples", "512 samples", "1024 samples", "2048 samples"
 106 };
 107
 108 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
 109                             DA7213_DAC_NG_SETUP_TIME,
 110                             DA7213_DAC_NG_SETUP_TIME_SHIFT,
 111                             da7213_dac_ng_setup_time_txt);
 112
 113 /* DAC noise gate rampup rate value */
 114 static const char * const da7213_dac_ng_rampup_txt[] = {
 115         "0.02 ms/dB", "0.16 ms/dB"
 116 };
 117
 118 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
 119                             DA7213_DAC_NG_SETUP_TIME,
 120                             DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
 121                             da7213_dac_ng_rampup_txt);
 122
 123 /* DAC noise gate rampdown rate value */
 124 static const char * const da7213_dac_ng_rampdown_txt[] = {
 125         "0.64 ms/dB", "20.48 ms/dB"
 126 };
 127
 128 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
 129                             DA7213_DAC_NG_SETUP_TIME,
 130                             DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
 131                             da7213_dac_ng_rampdown_txt);
 132
 133 /* DAC soft mute rate value */
 134 static const char * const da7213_dac_soft_mute_rate_txt[] = {
 135         "1", "2", "4", "8", "16", "32", "64"
 136 };
 137
 138 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
 139                             DA7213_DAC_FILTERS5,
 140                             DA7213_DAC_SOFTMUTE_RATE_SHIFT,
 141                             da7213_dac_soft_mute_rate_txt);
 142
 143 /* ALC Attack Rate select */
 144 static const char * const da7213_alc_attack_rate_txt[] = {
 145         "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
 146         "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 147 };
 148
 149 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
 150                             DA7213_ALC_CTRL2,
 151                             DA7213_ALC_ATTACK_SHIFT,
 152                             da7213_alc_attack_rate_txt);
 153
 154 /* ALC Release Rate select */
 155 static const char * const da7213_alc_release_rate_txt[] = {
 156         "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
 157         "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 158 };
 159
 160 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
 161                             DA7213_ALC_CTRL2,
 162                             DA7213_ALC_RELEASE_SHIFT,
 163                             da7213_alc_release_rate_txt);
 164
 165 /* ALC Hold Time select */
 166 static const char * const da7213_alc_hold_time_txt[] = {
 167         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
 168         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
 169         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
 170 };
 171
 172 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
 173                             DA7213_ALC_CTRL3,
 174                             DA7213_ALC_HOLD_SHIFT,
 175                             da7213_alc_hold_time_txt);
 176
 177 /* ALC Input Signal Tracking rate select */
 178 static const char * const da7213_alc_integ_rate_txt[] = {
 179         "1/4", "1/16", "1/256", "1/65536"
 180 };
 181
 182 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
 183                             DA7213_ALC_CTRL3,
 184                             DA7213_ALC_INTEG_ATTACK_SHIFT,
 185                             da7213_alc_integ_rate_txt);
 186
 187 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
 188                             DA7213_ALC_CTRL3,
 189                             DA7213_ALC_INTEG_RELEASE_SHIFT,
 190                             da7213_alc_integ_rate_txt);
 191
 192
 193 /*
 194  * Control Functions
 195  */
 196
 197 static int da7213_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
 198 {
 199         int mid_data, top_data;
 200         int sum = 0;
 201         u8 iteration;
 202
 203         for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
 204              iteration++) {
 205                 /* Select the left or right channel and capture data */
 206                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
 207
 208                 /* Select middle 8 bits for read back from data register */
 209                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
 210                               reg_val | DA7213_ALC_DATA_MIDDLE);
 211                 mid_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
 212
 213                 /* Select top 8 bits for read back from data register */
 214                 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
 215                               reg_val | DA7213_ALC_DATA_TOP);
 216                 top_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
 217
 218                 sum += ((mid_data << 8) | (top_data << 16));
 219         }
 220
 221         return sum / DA7213_ALC_AVG_ITERATIONS;
 222 }
 223
 224 static void da7213_alc_calib_man(struct snd_soc_codec *codec)
 225 {
 226         u8 reg_val;
 227         int avg_left_data, avg_right_data, offset_l, offset_r;
 228
 229         /* Calculate average for Left and Right data */
 230         /* Left Data */
 231         avg_left_data = da7213_get_alc_data(codec,
 232                         DA7213_ALC_CIC_OP_CHANNEL_LEFT);
 233         /* Right Data */
 234         avg_right_data = da7213_get_alc_data(codec,
 235                          DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
 236
 237         /* Calculate DC offset */
 238         offset_l = -avg_left_data;
 239         offset_r = -avg_right_data;
 240
 241         reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
 242         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
 243         reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
 244         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
 245
 246         reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
 247         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
 248         reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
 249         snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
 250
 251         /* Enable analog/digital gain mode & offset cancellation */
 252         snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 253                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 254                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 255 }
 256
 257 static void da7213_alc_calib_auto(struct snd_soc_codec *codec)
 258 {
 259         u8 alc_ctrl1;
 260
 261         /* Begin auto calibration and wait for completion */
 262         snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
 263                             DA7213_ALC_AUTO_CALIB_EN);
 264         do {
 265                 alc_ctrl1 = snd_soc_read(codec, DA7213_ALC_CTRL1);
 266         } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
 267
 268         /* If auto calibration fails, fall back to digital gain only mode */
 269         if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
 270                 dev_warn(codec->dev,
 271                          "ALC auto calibration failed with overflow\n");
 272                 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 273                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 274                                     0);
 275         } else {
 276                 /* Enable analog/digital gain mode & offset cancellation */
 277                 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
 278                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 279                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 280         }
 281
 282 }
 283
 284 static void da7213_alc_calib(struct snd_soc_codec *codec)
 285 {
 286         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 287         u8 adc_l_ctrl, adc_r_ctrl;
 288         u8 mixin_l_sel, mixin_r_sel;
 289         u8 mic_1_ctrl, mic_2_ctrl;
 290
 291         /* Save current values from ADC control registers */
 292         adc_l_ctrl = snd_soc_read(codec, DA7213_ADC_L_CTRL);
 293         adc_r_ctrl = snd_soc_read(codec, DA7213_ADC_R_CTRL);
 294
 295         /* Save current values from MIXIN_L/R_SELECT registers */
 296         mixin_l_sel = snd_soc_read(codec, DA7213_MIXIN_L_SELECT);
 297         mixin_r_sel = snd_soc_read(codec, DA7213_MIXIN_R_SELECT);
 298
 299         /* Save current values from MIC control registers */
 300         mic_1_ctrl = snd_soc_read(codec, DA7213_MIC_1_CTRL);
 301         mic_2_ctrl = snd_soc_read(codec, DA7213_MIC_2_CTRL);
 302
 303         /* Enable ADC Left and Right */
 304         snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
 305                             DA7213_ADC_EN);
 306         snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
 307                             DA7213_ADC_EN);
 308
 309         /* Enable MIC paths */
 310         snd_soc_update_bits(codec, DA7213_MIXIN_L_SELECT,
 311                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 312                             DA7213_MIXIN_L_MIX_SELECT_MIC_2,
 313                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 314                             DA7213_MIXIN_L_MIX_SELECT_MIC_2);
 315         snd_soc_update_bits(codec, DA7213_MIXIN_R_SELECT,
 316                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 317                             DA7213_MIXIN_R_MIX_SELECT_MIC_1,
 318                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 319                             DA7213_MIXIN_R_MIX_SELECT_MIC_1);
 320
 321         /* Mute MIC PGAs */
 322         snd_soc_update_bits(codec, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
 323                             DA7213_MUTE_EN);
 324         snd_soc_update_bits(codec, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
 325                             DA7213_MUTE_EN);
 326
 327         /* Perform calibration */
 328         if (da7213->alc_calib_auto)
 329                 da7213_alc_calib_auto(codec);
 330         else
 331                 da7213_alc_calib_man(codec);
 332
 333         /* Restore MIXIN_L/R_SELECT registers to their original states */
 334         snd_soc_write(codec, DA7213_MIXIN_L_SELECT, mixin_l_sel);
 335         snd_soc_write(codec, DA7213_MIXIN_R_SELECT, mixin_r_sel);
 336
 337         /* Restore ADC control registers to their original states */
 338         snd_soc_write(codec, DA7213_ADC_L_CTRL, adc_l_ctrl);
 339         snd_soc_write(codec, DA7213_ADC_R_CTRL, adc_r_ctrl);
 340
 341         /* Restore original values of MIC control registers */
 342         snd_soc_write(codec, DA7213_MIC_1_CTRL, mic_1_ctrl);
 343         snd_soc_write(codec, DA7213_MIC_2_CTRL, mic_2_ctrl);
 344 }
 345
 346 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
 347                                 struct snd_ctl_elem_value *ucontrol)
 348 {
 349         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 350         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 351         int ret;
 352
 353         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 354
 355         /* If ALC in operation, make sure calibrated offsets are updated */
 356         if ((!ret) && (da7213->alc_en))
 357                 da7213_alc_calib(codec);
 358
 359         return ret;
 360 }
 361
 362 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
 363                             struct snd_ctl_elem_value *ucontrol)
 364 {
 365         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 366         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 367
 368         /* Force ALC offset calibration if enabling ALC */
 369         if (ucontrol->value.integer.value[0] ||
 370             ucontrol->value.integer.value[1]) {
 371                 if (!da7213->alc_en) {
 372                         da7213_alc_calib(codec);
 373                         da7213->alc_en = true;
 374                 }
 375         } else {
 376                 da7213->alc_en = false;
 377         }
 378
 379         return snd_soc_put_volsw(kcontrol, ucontrol);
 380 }
 381
 382
 383 /*
 384  * KControls
 385  */
 386
 387 static const struct snd_kcontrol_new da7213_snd_controls[] = {
 388
 389         /* Volume controls */
 390         SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
 391                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 392                        DA7213_NO_INVERT, mic_vol_tlv),
 393         SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
 394                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 395                        DA7213_NO_INVERT, mic_vol_tlv),
 396         SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
 397                          DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
 398                          DA7213_NO_INVERT, aux_vol_tlv),
 399         SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
 400                              DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
 401                              DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
 402                              snd_soc_get_volsw_2r, da7213_put_mixin_gain,
 403                              mixin_gain_tlv),
 404         SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
 405                          DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
 406                          DA7213_NO_INVERT, digital_gain_tlv),
 407         SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
 408                          DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
 409                          DA7213_NO_INVERT, digital_gain_tlv),
 410         SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
 411                          DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
 412                          DA7213_NO_INVERT, hp_vol_tlv),
 413         SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
 414                        DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
 415                        DA7213_NO_INVERT, lineout_vol_tlv),
 416
 417         /* DAC Equalizer controls */
 418         SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
 419                    DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
 420         SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
 421                        DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 422                        DA7213_NO_INVERT, eq_gain_tlv),
 423         SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
 424                        DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 425                        DA7213_NO_INVERT, eq_gain_tlv),
 426         SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
 427                        DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 428                        DA7213_NO_INVERT, eq_gain_tlv),
 429         SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
 430                        DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 431                        DA7213_NO_INVERT, eq_gain_tlv),
 432         SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
 433                        DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 434                        DA7213_NO_INVERT, eq_gain_tlv),
 435
 436         /* High Pass Filter and Voice Mode controls */
 437         SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
 438                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 439         SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
 440         SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
 441                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 442                    DA7213_NO_INVERT),
 443         SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
 444
 445         SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
 446                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 447         SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
 448         SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
 449                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 450                    DA7213_NO_INVERT),
 451         SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
 452
 453         /* Mute controls */
 454         SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
 455                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 456         SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
 457                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 458         SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 459                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 460         SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
 461                      DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
 462                      DA7213_MUTE_EN_MAX, DA7213_INVERT),
 463         SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
 464                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 465         SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 466                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 467         SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
 468                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 469         SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
 470                    DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
 471                    DA7213_NO_INVERT),
 472         SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
 473
 474         /* Zero Cross controls */
 475         SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 476                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 477         SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
 478                      DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
 479                      DA7213_NO_INVERT),
 480         SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 481                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 482
 483         /* Gain Ramping controls */
 484         SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
 485                      DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 486                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 487         SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
 488                      DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 489                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 490         SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
 491                      DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 492                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 493         SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
 494                      DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 495                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 496         SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
 497                      DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 498                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 499         SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
 500                    DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
 501                    DA7213_NO_INVERT),
 502         SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
 503
 504         /* DAC Noise Gate controls */
 505         SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
 506                    DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
 507         SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
 508         SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
 509         SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
 510         SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
 511                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 512                    DA7213_NO_INVERT),
 513         SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
 514                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 515                    DA7213_NO_INVERT),
 516
 517         /* DAC Routing & Inversion */
 518         SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
 519                    DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
 520                    DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
 521         SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
 522                    DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
 523                    DA7213_NO_INVERT),
 524
 525         /* DMIC controls */
 526         SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
 527                      DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
 528                      DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
 529
 530         /* ALC Controls */
 531         SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
 532                        DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
 533                        DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
 534         SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
 535         SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
 536         SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
 537         /*
 538          * Rate at which input signal envelope is tracked as the signal gets
 539          * larger
 540          */
 541         SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
 542         /*
 543          * Rate at which input signal envelope is tracked as the signal gets
 544          * smaller
 545          */
 546         SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
 547         SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
 548                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 549                        DA7213_INVERT, alc_threshold_tlv),
 550         SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
 551                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 552                        DA7213_INVERT, alc_threshold_tlv),
 553         SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
 554                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 555                        DA7213_INVERT, alc_threshold_tlv),
 556         SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
 557                        DA7213_ALC_ATTEN_MAX_SHIFT,
 558                        DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
 559                        alc_gain_tlv),
 560         SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
 561                        DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
 562                        DA7213_NO_INVERT, alc_gain_tlv),
 563         SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 564                        DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 565                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 566         SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 567                        DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 568                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 569         SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
 570                    DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
 571                    DA7213_NO_INVERT),
 572         SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
 573                    DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
 574                    DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
 575 };
 576
 577
 578 /*
 579  * DAPM
 580  */
 581
 582 /*
 583  * Enums
 584  */
 585
 586 /* MIC PGA source select */
 587 static const char * const da7213_mic_amp_in_sel_txt[] = {
 588         "Differential", "MIC_P", "MIC_N"
 589 };
 590
 591 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
 592                             DA7213_MIC_1_CTRL,
 593                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 594                             da7213_mic_amp_in_sel_txt);
 595 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
 596         SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
 597
 598 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
 599                             DA7213_MIC_2_CTRL,
 600                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 601                             da7213_mic_amp_in_sel_txt);
 602 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
 603         SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
 604
 605 /* DAI routing select */
 606 static const char * const da7213_dai_src_txt[] = {
 607         "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
 608 };
 609
 610 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
 611                             DA7213_DIG_ROUTING_DAI,
 612                             DA7213_DAI_L_SRC_SHIFT,
 613                             da7213_dai_src_txt);
 614 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
 615         SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
 616
 617 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
 618                             DA7213_DIG_ROUTING_DAI,
 619                             DA7213_DAI_R_SRC_SHIFT,
 620                             da7213_dai_src_txt);
 621 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
 622         SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
 623
 624 /* DAC routing select */
 625 static const char * const da7213_dac_src_txt[] = {
 626         "ADC Output Left", "ADC Output Right", "DAI Input Left",
 627         "DAI Input Right"
 628 };
 629
 630 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
 631                             DA7213_DIG_ROUTING_DAC,
 632                             DA7213_DAC_L_SRC_SHIFT,
 633                             da7213_dac_src_txt);
 634 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
 635         SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
 636
 637 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
 638                             DA7213_DIG_ROUTING_DAC,
 639                             DA7213_DAC_R_SRC_SHIFT,
 640                             da7213_dac_src_txt);
 641 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
 642         SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
 643
 644 /*
 645  * Mixer Controls
 646  */
 647
 648 /* Mixin Left */
 649 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
 650         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
 651                         DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
 652                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 653         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
 654                         DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
 655                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 656         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
 657                         DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
 658                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 659         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
 660                         DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
 661                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 662 };
 663
 664 /* Mixin Right */
 665 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
 666         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
 667                         DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
 668                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 669         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
 670                         DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
 671                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 672         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
 673                         DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
 674                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 675         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
 676                         DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
 677                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 678 };
 679
 680 /* Mixout Left */
 681 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
 682         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
 683                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
 684                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 685         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
 686                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
 687                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 688         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
 689                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
 690                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 691         SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
 692                         DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
 693                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 694         SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 695                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
 696                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 697         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 698                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 699                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 700         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
 701                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 702                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 703 };
 704
 705 /* Mixout Right */
 706 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
 707         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
 708                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
 709                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 710         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
 711                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
 712                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 713         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
 714                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
 715                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 716         SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
 717                         DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
 718                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 719         SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 720                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
 721                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 722         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 723                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 724                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 725         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
 726                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 727                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 728 };
 729
 730
 731 /*
 732  * DAPM Events
 733  */
 734
 735 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
 736                             struct snd_kcontrol *kcontrol, int event)
 737 {
 738         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 739         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
 740         u8 pll_ctrl, pll_status;
 741         int i = 0;
 742         bool srm_lock = false;
 743
 744         switch (event) {
 745         case SND_SOC_DAPM_PRE_PMU:
 746                 /* Enable DAI clks for master mode */
 747                 if (da7213->master)
 748                         snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
 749                                             DA7213_DAI_CLK_EN_MASK,
 750                                             DA7213_DAI_CLK_EN_MASK);
 751
 752                 /* PC synchronised to DAI */
 753                 snd_soc_update_bits(codec, DA7213_PC_COUNT,
 754                                     DA7213_PC_FREERUN_MASK, 0);
 755
 756                 /* If SRM not enabled then nothing more to do */
 757                 pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL);
 758                 if (!(pll_ctrl & DA7213_PLL_SRM_EN))
 759                         return 0;
 760
 761                 /* Assist 32KHz mode PLL lock */
 762                 if (pll_ctrl & DA7213_PLL_32K_MODE) {
 763                         snd_soc_write(codec, 0xF0, 0x8B);
 764                         snd_soc_write(codec, 0xF2, 0x03);
 765                         snd_soc_write(codec, 0xF0, 0x00);
 766                 }
 767
 768                 /* Check SRM has locked */
 769                 do {
 770                         pll_status = snd_soc_read(codec, DA7213_PLL_STATUS);
 771                         if (pll_status & DA7219_PLL_SRM_LOCK) {
 772                                 srm_lock = true;
 773                         } else {
 774                                 ++i;
 775                                 msleep(50);
 776                         }
 777                 } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
 778
 779                 if (!srm_lock)
 780                         dev_warn(codec->dev, "SRM failed to lock\n");
 781
 782                 return 0;
 783         case SND_SOC_DAPM_POST_PMD:
 784                 /* Revert 32KHz PLL lock udpates if applied previously */
 785                 pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL);
 786                 if (pll_ctrl & DA7213_PLL_32K_MODE) {
 787                         snd_soc_write(codec, 0xF0, 0x8B);
 788                         snd_soc_write(codec, 0xF2, 0x01);
 789                         snd_soc_write(codec, 0xF0, 0x00);
 790                 }
 791
 792                 /* PC free-running */
 793                 snd_soc_update_bits(codec, DA7213_PC_COUNT,
 794                                     DA7213_PC_FREERUN_MASK,
 795                                     DA7213_PC_FREERUN_MASK);
 796
 797                 /* Disable DAI clks if in master mode */
 798                 if (da7213->master)
 799                         snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
 800                                             DA7213_DAI_CLK_EN_MASK, 0);
 801                 return 0;
 802         default:
 803                 return -EINVAL;
 804         }
 805 }
 806
 807
 808 /*
 809  * DAPM widgets
 810  */
 811
 812 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
 813         /*
 814          * Input & Output
 815          */
 816
 817         /* Use a supply here as this controls both input & output DAIs */
 818         SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
 819                             DA7213_NO_INVERT, da7213_dai_event,
 820                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 821
 822         /*
 823          * Input
 824          */
 825
 826         /* Input Lines */
 827         SND_SOC_DAPM_INPUT("MIC1"),
 828         SND_SOC_DAPM_INPUT("MIC2"),
 829         SND_SOC_DAPM_INPUT("AUXL"),
 830         SND_SOC_DAPM_INPUT("AUXR"),
 831
 832         /* MUXs for Mic PGA source selection */
 833         SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 834                          &da7213_mic_1_amp_in_sel_mux),
 835         SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 836                          &da7213_mic_2_amp_in_sel_mux),
 837
 838         /* Input PGAs */
 839         SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
 840                          DA7213_NO_INVERT, NULL, 0),
 841         SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
 842                          DA7213_NO_INVERT, NULL, 0),
 843         SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
 844                          DA7213_NO_INVERT, NULL, 0),
 845         SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
 846                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 847         SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
 848                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 849         SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
 850                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 851
 852         /* Mic Biases */
 853         SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
 854                             DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
 855                             NULL, 0),
 856         SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
 857                             DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
 858                             NULL, 0),
 859
 860         /* Input Mixers */
 861         SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
 862                            &da7213_dapm_mixinl_controls[0],
 863                            ARRAY_SIZE(da7213_dapm_mixinl_controls)),
 864         SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
 865                            &da7213_dapm_mixinr_controls[0],
 866                            ARRAY_SIZE(da7213_dapm_mixinr_controls)),
 867
 868         /* ADCs */
 869         SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
 870                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 871         SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
 872                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 873
 874         /* DAI */
 875         SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
 876                          &da7213_dai_l_src_mux),
 877         SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
 878                          &da7213_dai_r_src_mux),
 879         SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
 880         SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
 881
 882         /*
 883          * Output
 884          */
 885
 886         /* DAI */
 887         SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
 888         SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
 889         SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
 890                          &da7213_dac_l_src_mux),
 891         SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
 892                          &da7213_dac_r_src_mux),
 893
 894         /* DACs */
 895         SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
 896                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 897         SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
 898                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 899
 900         /* Output Mixers */
 901         SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
 902                            &da7213_dapm_mixoutl_controls[0],
 903                            ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
 904         SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
 905                            &da7213_dapm_mixoutr_controls[0],
 906                            ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
 907
 908         /* Output PGAs */
 909         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
 910                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 911         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
 912                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 913         SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
 914                          DA7213_NO_INVERT, NULL, 0),
 915         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
 916                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 917         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
 918                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 919
 920         /* Charge Pump */
 921         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
 922                             DA7213_NO_INVERT, NULL, 0),
 923
 924         /* Output Lines */
 925         SND_SOC_DAPM_OUTPUT("HPL"),
 926         SND_SOC_DAPM_OUTPUT("HPR"),
 927         SND_SOC_DAPM_OUTPUT("LINE"),
 928 };
 929
 930
 931 /*
 932  * DAPM audio route definition
 933  */
 934
 935 static const struct snd_soc_dapm_route da7213_audio_map[] = {
 936         /* Dest       Connecting Widget    source */
 937
 938         /* Input path */
 939         {"MIC1", NULL, "Mic Bias 1"},
 940         {"MIC2", NULL, "Mic Bias 2"},
 941
 942         {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
 943         {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
 944         {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
 945
 946         {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
 947         {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
 948         {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
 949
 950         {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
 951         {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
 952
 953         {"Aux Left PGA", NULL, "AUXL"},
 954         {"Aux Right PGA", NULL, "AUXR"},
 955
 956         {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
 957         {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
 958         {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
 959         {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
 960
 961         {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
 962         {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
 963         {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
 964         {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
 965
 966         {"Mixin Left PGA", NULL, "Mixin Left"},
 967         {"ADC Left", NULL, "Mixin Left PGA"},
 968
 969         {"Mixin Right PGA", NULL, "Mixin Right"},
 970         {"ADC Right", NULL, "Mixin Right PGA"},
 971
 972         {"DAI Left Source MUX", "ADC Left", "ADC Left"},
 973         {"DAI Left Source MUX", "ADC Right", "ADC Right"},
 974         {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
 975         {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
 976
 977         {"DAI Right Source MUX", "ADC Left", "ADC Left"},
 978         {"DAI Right Source MUX", "ADC Right", "ADC Right"},
 979         {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
 980         {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
 981
 982         {"DAIOUTL", NULL, "DAI Left Source MUX"},
 983         {"DAIOUTR", NULL, "DAI Right Source MUX"},
 984
 985         {"DAIOUTL", NULL, "DAI"},
 986         {"DAIOUTR", NULL, "DAI"},
 987
 988         /* Output path */
 989         {"DAIINL", NULL, "DAI"},
 990         {"DAIINR", NULL, "DAI"},
 991
 992         {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
 993         {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
 994         {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
 995         {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
 996
 997         {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
 998         {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
 999         {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
1000         {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
1001
1002         {"DAC Left", NULL, "DAC Left Source MUX"},
1003         {"DAC Right", NULL, "DAC Right Source MUX"},
1004
1005         {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1006         {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1007         {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1008         {"Mixout Left", "DAC Left Switch", "DAC Left"},
1009         {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1010         {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1011         {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1012
1013         {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1014         {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1015         {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1016         {"Mixout Right", "DAC Right Switch", "DAC Right"},
1017         {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1018         {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1019         {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1020
1021         {"Mixout Left PGA", NULL, "Mixout Left"},
1022         {"Mixout Right PGA", NULL, "Mixout Right"},
1023
1024         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1025         {"Headphone Left PGA", NULL, "Charge Pump"},
1026         {"HPL", NULL, "Headphone Left PGA"},
1027
1028         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1029         {"Headphone Right PGA", NULL, "Charge Pump"},
1030         {"HPR", NULL, "Headphone Right PGA"},
1031
1032         {"Lineout PGA", NULL, "Mixout Right PGA"},
1033         {"LINE", NULL, "Lineout PGA"},
1034 };
1035
1036 static const struct reg_default da7213_reg_defaults[] = {
1037         { DA7213_DIG_ROUTING_DAI, 0x10 },
1038         { DA7213_SR, 0x0A },
1039         { DA7213_REFERENCES, 0x80 },
1040         { DA7213_PLL_FRAC_TOP, 0x00 },
1041         { DA7213_PLL_FRAC_BOT, 0x00 },
1042         { DA7213_PLL_INTEGER, 0x20 },
1043         { DA7213_PLL_CTRL, 0x0C },
1044         { DA7213_DAI_CLK_MODE, 0x01 },
1045         { DA7213_DAI_CTRL, 0x08 },
1046         { DA7213_DIG_ROUTING_DAC, 0x32 },
1047         { DA7213_AUX_L_GAIN, 0x35 },
1048         { DA7213_AUX_R_GAIN, 0x35 },
1049         { DA7213_MIXIN_L_SELECT, 0x00 },
1050         { DA7213_MIXIN_R_SELECT, 0x00 },
1051         { DA7213_MIXIN_L_GAIN, 0x03 },
1052         { DA7213_MIXIN_R_GAIN, 0x03 },
1053         { DA7213_ADC_L_GAIN, 0x6F },
1054         { DA7213_ADC_R_GAIN, 0x6F },
1055         { DA7213_ADC_FILTERS1, 0x80 },
1056         { DA7213_MIC_1_GAIN, 0x01 },
1057         { DA7213_MIC_2_GAIN, 0x01 },
1058         { DA7213_DAC_FILTERS5, 0x00 },
1059         { DA7213_DAC_FILTERS2, 0x88 },
1060         { DA7213_DAC_FILTERS3, 0x88 },
1061         { DA7213_DAC_FILTERS4, 0x08 },
1062         { DA7213_DAC_FILTERS1, 0x80 },
1063         { DA7213_DAC_L_GAIN, 0x6F },
1064         { DA7213_DAC_R_GAIN, 0x6F },
1065         { DA7213_CP_CTRL, 0x61 },
1066         { DA7213_HP_L_GAIN, 0x39 },
1067         { DA7213_HP_R_GAIN, 0x39 },
1068         { DA7213_LINE_GAIN, 0x30 },
1069         { DA7213_MIXOUT_L_SELECT, 0x00 },
1070         { DA7213_MIXOUT_R_SELECT, 0x00 },
1071         { DA7213_SYSTEM_MODES_INPUT, 0x00 },
1072         { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1073         { DA7213_AUX_L_CTRL, 0x44 },
1074         { DA7213_AUX_R_CTRL, 0x44 },
1075         { DA7213_MICBIAS_CTRL, 0x11 },
1076         { DA7213_MIC_1_CTRL, 0x40 },
1077         { DA7213_MIC_2_CTRL, 0x40 },
1078         { DA7213_MIXIN_L_CTRL, 0x40 },
1079         { DA7213_MIXIN_R_CTRL, 0x40 },
1080         { DA7213_ADC_L_CTRL, 0x40 },
1081         { DA7213_ADC_R_CTRL, 0x40 },
1082         { DA7213_DAC_L_CTRL, 0x48 },
1083         { DA7213_DAC_R_CTRL, 0x40 },
1084         { DA7213_HP_L_CTRL, 0x41 },
1085         { DA7213_HP_R_CTRL, 0x40 },
1086         { DA7213_LINE_CTRL, 0x40 },
1087         { DA7213_MIXOUT_L_CTRL, 0x10 },
1088         { DA7213_MIXOUT_R_CTRL, 0x10 },
1089         { DA7213_LDO_CTRL, 0x00 },
1090         { DA7213_IO_CTRL, 0x00 },
1091         { DA7213_GAIN_RAMP_CTRL, 0x00},
1092         { DA7213_MIC_CONFIG, 0x00 },
1093         { DA7213_PC_COUNT, 0x00 },
1094         { DA7213_CP_VOL_THRESHOLD1, 0x32 },
1095         { DA7213_CP_DELAY, 0x95 },
1096         { DA7213_CP_DETECTOR, 0x00 },
1097         { DA7213_DAI_OFFSET, 0x00 },
1098         { DA7213_DIG_CTRL, 0x00 },
1099         { DA7213_ALC_CTRL2, 0x00 },
1100         { DA7213_ALC_CTRL3, 0x00 },
1101         { DA7213_ALC_NOISE, 0x3F },
1102         { DA7213_ALC_TARGET_MIN, 0x3F },
1103         { DA7213_ALC_TARGET_MAX, 0x00 },
1104         { DA7213_ALC_GAIN_LIMITS, 0xFF },
1105         { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1106         { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1107         { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1108         { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1109         { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1110         { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1111         { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1112         { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1113         { DA7213_DAC_NG_SETUP_TIME, 0x00 },
1114         { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1115         { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1116         { DA7213_DAC_NG_CTRL, 0x00 },
1117 };
1118
1119 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1120 {
1121         switch (reg) {
1122         case DA7213_STATUS1:
1123         case DA7213_PLL_STATUS:
1124         case DA7213_AUX_L_GAIN_STATUS:
1125         case DA7213_AUX_R_GAIN_STATUS:
1126         case DA7213_MIC_1_GAIN_STATUS:
1127         case DA7213_MIC_2_GAIN_STATUS:
1128         case DA7213_MIXIN_L_GAIN_STATUS:
1129         case DA7213_MIXIN_R_GAIN_STATUS:
1130         case DA7213_ADC_L_GAIN_STATUS:
1131         case DA7213_ADC_R_GAIN_STATUS:
1132         case DA7213_DAC_L_GAIN_STATUS:
1133         case DA7213_DAC_R_GAIN_STATUS:
1134         case DA7213_HP_L_GAIN_STATUS:
1135         case DA7213_HP_R_GAIN_STATUS:
1136         case DA7213_LINE_GAIN_STATUS:
1137         case DA7213_ALC_CTRL1:
1138         case DA7213_ALC_OFFSET_AUTO_M_L:
1139         case DA7213_ALC_OFFSET_AUTO_U_L:
1140         case DA7213_ALC_OFFSET_AUTO_M_R:
1141         case DA7213_ALC_OFFSET_AUTO_U_R:
1142         case DA7213_ALC_CIC_OP_LVL_DATA:
1143                 return 1;
1144         default:
1145                 return 0;
1146         }
1147 }
1148
1149 static int da7213_hw_params(struct snd_pcm_substream *substream,
1150                             struct snd_pcm_hw_params *params,
1151                             struct snd_soc_dai *dai)
1152 {
1153         struct snd_soc_codec *codec = dai->codec;
1154         u8 dai_ctrl = 0;
1155         u8 fs;
1156
1157         /* Set DAI format */
1158         switch (params_width(params)) {
1159         case 16:
1160                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1161                 break;
1162         case 20:
1163                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1164                 break;
1165         case 24:
1166                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1167                 break;
1168         case 32:
1169                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1170                 break;
1171         default:
1172                 return -EINVAL;
1173         }
1174
1175         /* Set sampling rate */
1176         switch (params_rate(params)) {
1177         case 8000:
1178                 fs = DA7213_SR_8000;
1179                 break;
1180         case 11025:
1181                 fs = DA7213_SR_11025;
1182                 break;
1183         case 12000:
1184                 fs = DA7213_SR_12000;
1185                 break;
1186         case 16000:
1187                 fs = DA7213_SR_16000;
1188                 break;
1189         case 22050:
1190                 fs = DA7213_SR_22050;
1191                 break;
1192         case 32000:
1193                 fs = DA7213_SR_32000;
1194                 break;
1195         case 44100:
1196                 fs = DA7213_SR_44100;
1197                 break;
1198         case 48000:
1199                 fs = DA7213_SR_48000;
1200                 break;
1201         case 88200:
1202                 fs = DA7213_SR_88200;
1203                 break;
1204         case 96000:
1205                 fs = DA7213_SR_96000;
1206                 break;
1207         default:
1208                 return -EINVAL;
1209         }
1210
1211         snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1212                             dai_ctrl);
1213         snd_soc_write(codec, DA7213_SR, fs);
1214
1215         return 0;
1216 }
1217
1218 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1219 {
1220         struct snd_soc_codec *codec = codec_dai->codec;
1221         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1222         u8 dai_clk_mode = 0, dai_ctrl = 0;
1223         u8 dai_offset = 0;
1224
1225         /* Set master/slave mode */
1226         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1227         case SND_SOC_DAIFMT_CBM_CFM:
1228                 da7213->master = true;
1229                 break;
1230         case SND_SOC_DAIFMT_CBS_CFS:
1231                 da7213->master = false;
1232                 break;
1233         default:
1234                 return -EINVAL;
1235         }
1236
1237         /* Set clock normal/inverted */
1238         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1239         case SND_SOC_DAIFMT_I2S:
1240         case SND_SOC_DAIFMT_LEFT_J:
1241         case SND_SOC_DAIFMT_RIGHT_J:
1242                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1243                 case SND_SOC_DAIFMT_NB_NF:
1244                         break;
1245                 case SND_SOC_DAIFMT_NB_IF:
1246                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1247                         break;
1248                 case SND_SOC_DAIFMT_IB_NF:
1249                         dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1250                         break;
1251                 case SND_SOC_DAIFMT_IB_IF:
1252                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1253                                         DA7213_DAI_CLK_POL_INV;
1254                         break;
1255                 default:
1256                         return -EINVAL;
1257                 }
1258                 break;
1259         case SND_SOC_DAI_FORMAT_DSP_A:
1260         case SND_SOC_DAI_FORMAT_DSP_B:
1261                 /* The bclk is inverted wrt ASoC conventions */
1262                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1263                 case SND_SOC_DAIFMT_NB_NF:
1264                         dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1265                         break;
1266                 case SND_SOC_DAIFMT_NB_IF:
1267                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1268                                         DA7213_DAI_CLK_POL_INV;
1269                         break;
1270                 case SND_SOC_DAIFMT_IB_NF:
1271                         break;
1272                 case SND_SOC_DAIFMT_IB_IF:
1273                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1274                         break;
1275                 default:
1276                         return -EINVAL;
1277                 }
1278                 break;
1279         default:
1280                 return -EINVAL;
1281         }
1282
1283         /* Only I2S is supported */
1284         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1285         case SND_SOC_DAIFMT_I2S:
1286                 dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1287                 break;
1288         case SND_SOC_DAIFMT_LEFT_J:
1289                 dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1290                 break;
1291         case SND_SOC_DAIFMT_RIGHT_J:
1292                 dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1293                 break;
1294         case SND_SOC_DAI_FORMAT_DSP_A: /* L data MSB after FRM LRC */
1295                 dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1296                 dai_offset = 1;
1297                 break;
1298         case SND_SOC_DAI_FORMAT_DSP_B: /* L data MSB during FRM LRC */
1299                 dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1300                 break;
1301         default:
1302                 return -EINVAL;
1303         }
1304
1305         /* By default only 64 BCLK per WCLK is supported */
1306         dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1307
1308         snd_soc_write(codec, DA7213_DAI_CLK_MODE, dai_clk_mode);
1309         snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1310                             dai_ctrl);
1311         snd_soc_write(codec, DA7213_DAI_OFFSET, dai_offset);
1312
1313         return 0;
1314 }
1315
1316 static int da7213_mute(struct snd_soc_dai *dai, int mute)
1317 {
1318         struct snd_soc_codec *codec = dai->codec;
1319
1320         if (mute) {
1321                 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1322                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1323                 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1324                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1325         } else {
1326                 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1327                                     DA7213_MUTE_EN, 0);
1328                 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1329                                     DA7213_MUTE_EN, 0);
1330         }
1331
1332         return 0;
1333 }
1334
1335 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1336                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1337
1338 static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1339                                  int clk_id, unsigned int freq, int dir)
1340 {
1341         struct snd_soc_codec *codec = codec_dai->codec;
1342         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1343         int ret = 0;
1344
1345         if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1346                 return 0;
1347
1348         if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1349                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1350                         freq);
1351                 return -EINVAL;
1352         }
1353
1354         switch (clk_id) {
1355         case DA7213_CLKSRC_MCLK:
1356                 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1357                                     DA7213_PLL_MCLK_SQR_EN, 0);
1358                 break;
1359         case DA7213_CLKSRC_MCLK_SQR:
1360                 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1361                                     DA7213_PLL_MCLK_SQR_EN,
1362                                     DA7213_PLL_MCLK_SQR_EN);
1363                 break;
1364         default:
1365                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1366                 return -EINVAL;
1367         }
1368
1369         da7213->clk_src = clk_id;
1370
1371         if (da7213->mclk) {
1372                 freq = clk_round_rate(da7213->mclk, freq);
1373                 ret = clk_set_rate(da7213->mclk, freq);
1374                 if (ret) {
1375                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1376                                 freq);
1377                         return ret;
1378                 }
1379         }
1380
1381         da7213->mclk_rate = freq;
1382
1383         return 0;
1384 }
1385
1386 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1387 static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1388                               int source, unsigned int fref, unsigned int fout)
1389 {
1390         struct snd_soc_codec *codec = codec_dai->codec;
1391         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1392
1393         u8 pll_ctrl, indiv_bits, indiv;
1394         u8 pll_frac_top, pll_frac_bot, pll_integer;
1395         u32 freq_ref;
1396         u64 frac_div;
1397
1398         /* Workout input divider based on MCLK rate */
1399         if (da7213->mclk_rate == 32768) {
1400                 if (!da7213->master) {
1401                         dev_err(codec->dev,
1402                                 "32KHz only valid if codec is clock master\n");
1403                         return -EINVAL;
1404                 }
1405
1406                 /* 32KHz PLL Mode */
1407                 indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1408                 indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1409                 source = DA7213_SYSCLK_PLL_32KHZ;
1410                 freq_ref = 3750000;
1411
1412         } else {
1413                 if (da7213->mclk_rate < 5000000) {
1414                         dev_err(codec->dev,
1415                                 "PLL input clock %d below valid range\n",
1416                                 da7213->mclk_rate);
1417                         return -EINVAL;
1418                 } else if (da7213->mclk_rate <= 9000000) {
1419                         indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1420                         indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1421                 } else if (da7213->mclk_rate <= 18000000) {
1422                         indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1423                         indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1424                 } else if (da7213->mclk_rate <= 36000000) {
1425                         indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1426                         indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1427                 } else if (da7213->mclk_rate <= 54000000) {
1428                         indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1429                         indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1430                 } else {
1431                         dev_err(codec->dev,
1432                                 "PLL input clock %d above valid range\n",
1433                                 da7213->mclk_rate);
1434                         return -EINVAL;
1435                 }
1436                 freq_ref = (da7213->mclk_rate / indiv);
1437         }
1438
1439         pll_ctrl = indiv_bits;
1440
1441         /* Configure PLL */
1442         switch (source) {
1443         case DA7213_SYSCLK_MCLK:
1444                 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1445                                     DA7213_PLL_INDIV_MASK |
1446                                     DA7213_PLL_MODE_MASK, pll_ctrl);
1447                 return 0;
1448         case DA7213_SYSCLK_PLL:
1449                 break;
1450         case DA7213_SYSCLK_PLL_SRM:
1451                 pll_ctrl |= DA7213_PLL_SRM_EN;
1452                 fout = DA7213_PLL_FREQ_OUT_94310400;
1453                 break;
1454         case DA7213_SYSCLK_PLL_32KHZ:
1455                 if (da7213->mclk_rate != 32768) {
1456                         dev_err(codec->dev,
1457                                 "32KHz mode only valid with 32KHz MCLK\n");
1458                         return -EINVAL;
1459                 }
1460
1461                 pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1462                 fout = DA7213_PLL_FREQ_OUT_94310400;
1463                 break;
1464         default:
1465                 dev_err(codec->dev, "Invalid PLL config\n");
1466                 return -EINVAL;
1467         }
1468
1469         /* Calculate dividers for PLL */
1470         pll_integer = fout / freq_ref;
1471         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1472         do_div(frac_div, freq_ref);
1473         pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1474         pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1475
1476         /* Write PLL dividers */
1477         snd_soc_write(codec, DA7213_PLL_FRAC_TOP, pll_frac_top);
1478         snd_soc_write(codec, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1479         snd_soc_write(codec, DA7213_PLL_INTEGER, pll_integer);
1480
1481         /* Enable PLL */
1482         pll_ctrl |= DA7213_PLL_EN;
1483         snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1484                             DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1485                             pll_ctrl);
1486
1487         /* Assist 32KHz mode PLL lock */
1488         if (source == DA7213_SYSCLK_PLL_32KHZ) {
1489                 snd_soc_write(codec, 0xF0, 0x8B);
1490                 snd_soc_write(codec, 0xF1, 0x03);
1491                 snd_soc_write(codec, 0xF1, 0x01);
1492                 snd_soc_write(codec, 0xF0, 0x00);
1493         }
1494
1495         return 0;
1496 }
1497
1498 /* DAI operations */
1499 static const struct snd_soc_dai_ops da7213_dai_ops = {
1500         .hw_params      = da7213_hw_params,
1501         .set_fmt        = da7213_set_dai_fmt,
1502         .set_sysclk     = da7213_set_dai_sysclk,
1503         .set_pll        = da7213_set_dai_pll,
1504         .digital_mute   = da7213_mute,
1505 };
1506
1507 static struct snd_soc_dai_driver da7213_dai = {
1508         .name = "da7213-hifi",
1509         /* Playback Capabilities */
1510         .playback = {
1511                 .stream_name = "Playback",
1512                 .channels_min = 1,
1513                 .channels_max = 2,
1514                 .rates = SNDRV_PCM_RATE_8000_96000,
1515                 .formats = DA7213_FORMATS,
1516         },
1517         /* Capture Capabilities */
1518         .capture = {
1519                 .stream_name = "Capture",
1520                 .channels_min = 1,
1521                 .channels_max = 2,
1522                 .rates = SNDRV_PCM_RATE_8000_96000,
1523                 .formats = DA7213_FORMATS,
1524         },
1525         .ops = &da7213_dai_ops,
1526         .symmetric_rates = 1,
1527 };
1528
1529 static int da7213_set_bias_level(struct snd_soc_codec *codec,
1530                                  enum snd_soc_bias_level level)
1531 {
1532         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1533         int ret;
1534
1535         switch (level) {
1536         case SND_SOC_BIAS_ON:
1537                 break;
1538         case SND_SOC_BIAS_PREPARE:
1539                 /* Enable MCLK for transition to ON state */
1540                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
1541                         if (da7213->mclk) {
1542                                 ret = clk_prepare_enable(da7213->mclk);
1543                                 if (ret) {
1544                                         dev_err(codec->dev,
1545                                                 "Failed to enable mclk\n");
1546                                         return ret;
1547                                 }
1548                         }
1549                 }
1550                 break;
1551         case SND_SOC_BIAS_STANDBY:
1552                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1553                         /* Enable VMID reference & master bias */
1554                         snd_soc_update_bits(codec, DA7213_REFERENCES,
1555                                             DA7213_VMID_EN | DA7213_BIAS_EN,
1556                                             DA7213_VMID_EN | DA7213_BIAS_EN);
1557                 } else {
1558                         /* Remove MCLK */
1559                         if (da7213->mclk)
1560                                 clk_disable_unprepare(da7213->mclk);
1561                 }
1562                 break;
1563         case SND_SOC_BIAS_OFF:
1564                 /* Disable VMID reference & master bias */
1565                 snd_soc_update_bits(codec, DA7213_REFERENCES,
1566                                     DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1567                 break;
1568         }
1569         return 0;
1570 }
1571
1572 #if defined(CONFIG_OF)
1573 /* DT */
1574 static const struct of_device_id da7213_of_match[] = {
1575         { .compatible = "dlg,da7213", },
1576         { }
1577 };
1578 MODULE_DEVICE_TABLE(of, da7213_of_match);
1579 #endif
1580
1581 #ifdef CONFIG_ACPI
1582 static const struct acpi_device_id da7213_acpi_match[] = {
1583         { "DLGS7212", 0},
1584         { "DLGS7213", 0},
1585         { },
1586 };
1587 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1588 #endif
1589
1590 static enum da7213_micbias_voltage
1591         da7213_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
1592 {
1593         switch (val) {
1594         case 1600:
1595                 return DA7213_MICBIAS_1_6V;
1596         case 2200:
1597                 return DA7213_MICBIAS_2_2V;
1598         case 2500:
1599                 return DA7213_MICBIAS_2_5V;
1600         case 3000:
1601                 return DA7213_MICBIAS_3_0V;
1602         default:
1603                 dev_warn(codec->dev, "Invalid micbias level\n");
1604                 return DA7213_MICBIAS_2_2V;
1605         }
1606 }
1607
1608 static enum da7213_dmic_data_sel
1609         da7213_of_dmic_data_sel(struct snd_soc_codec *codec, const char *str)
1610 {
1611         if (!strcmp(str, "lrise_rfall")) {
1612                 return DA7213_DMIC_DATA_LRISE_RFALL;
1613         } else if (!strcmp(str, "lfall_rrise")) {
1614                 return DA7213_DMIC_DATA_LFALL_RRISE;
1615         } else {
1616                 dev_warn(codec->dev, "Invalid DMIC data select type\n");
1617                 return DA7213_DMIC_DATA_LRISE_RFALL;
1618         }
1619 }
1620
1621 static enum da7213_dmic_samplephase
1622         da7213_of_dmic_samplephase(struct snd_soc_codec *codec, const char *str)
1623 {
1624         if (!strcmp(str, "on_clkedge")) {
1625                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1626         } else if (!strcmp(str, "between_clkedge")) {
1627                 return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1628         } else {
1629                 dev_warn(codec->dev, "Invalid DMIC sample phase\n");
1630                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1631         }
1632 }
1633
1634 static enum da7213_dmic_clk_rate
1635         da7213_of_dmic_clkrate(struct snd_soc_codec *codec, u32 val)
1636 {
1637         switch (val) {
1638         case 1500000:
1639                 return DA7213_DMIC_CLK_1_5MHZ;
1640         case 3000000:
1641                 return DA7213_DMIC_CLK_3_0MHZ;
1642         default:
1643                 dev_warn(codec->dev, "Invalid DMIC clock rate\n");
1644                 return DA7213_DMIC_CLK_1_5MHZ;
1645         }
1646 }
1647
1648 static struct da7213_platform_data
1649         *da7213_fw_to_pdata(struct snd_soc_codec *codec)
1650 {
1651         struct device *dev = codec->dev;
1652         struct da7213_platform_data *pdata;
1653         const char *fw_str;
1654         u32 fw_val32;
1655
1656         pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
1657         if (!pdata) {
1658                 dev_warn(codec->dev, "Failed to allocate memory for pdata\n");
1659                 return NULL;
1660         }
1661
1662         if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1663                 pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, fw_val32);
1664         else
1665                 pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1666
1667         if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1668                 pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, fw_val32);
1669         else
1670                 pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1671
1672         if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1673                 pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, fw_str);
1674         else
1675                 pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1676
1677         if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1678                 pdata->dmic_samplephase =
1679                         da7213_of_dmic_samplephase(codec, fw_str);
1680         else
1681                 pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1682
1683         if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1684                 pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, fw_val32);
1685         else
1686                 pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1687
1688         return pdata;
1689 }
1690
1691
1692 static int da7213_probe(struct snd_soc_codec *codec)
1693 {
1694         struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1695
1696         /* Default to using ALC auto offset calibration mode. */
1697         snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
1698                             DA7213_ALC_CALIB_MODE_MAN, 0);
1699         da7213->alc_calib_auto = true;
1700
1701         /* Default PC counter to free-running */
1702         snd_soc_update_bits(codec, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1703                             DA7213_PC_FREERUN_MASK);
1704
1705         /* Enable all Gain Ramps */
1706         snd_soc_update_bits(codec, DA7213_AUX_L_CTRL,
1707                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1708         snd_soc_update_bits(codec, DA7213_AUX_R_CTRL,
1709                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1710         snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1711                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1712         snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1713                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1714         snd_soc_update_bits(codec, DA7213_ADC_L_CTRL,
1715                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1716         snd_soc_update_bits(codec, DA7213_ADC_R_CTRL,
1717                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1718         snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1719                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1720         snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1721                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1722         snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1723                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1724         snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1725                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1726         snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1727                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1728
1729         /*
1730          * There are two separate control bits for input and output mixers as
1731          * well as headphone and line outs.
1732          * One to enable corresponding amplifier and other to enable its
1733          * output. As amplifier bits are related to power control, they are
1734          * being managed by DAPM while other (non power related) bits are
1735          * enabled here
1736          */
1737         snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1738                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1739         snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1740                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1741
1742         snd_soc_update_bits(codec, DA7213_MIXOUT_L_CTRL,
1743                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1744         snd_soc_update_bits(codec, DA7213_MIXOUT_R_CTRL,
1745                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1746
1747         snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1748                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1749         snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1750                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1751
1752         snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1753                             DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1754
1755         /* Handle DT/Platform data */
1756         da7213->pdata = dev_get_platdata(codec->dev);
1757         if (!da7213->pdata)
1758                 da7213->pdata = da7213_fw_to_pdata(codec);
1759
1760         /* Set platform data values */
1761         if (da7213->pdata) {
1762                 struct da7213_platform_data *pdata = da7213->pdata;
1763                 u8 micbias_lvl = 0, dmic_cfg = 0;
1764
1765                 /* Set Mic Bias voltages */
1766                 switch (pdata->micbias1_lvl) {
1767                 case DA7213_MICBIAS_1_6V:
1768                 case DA7213_MICBIAS_2_2V:
1769                 case DA7213_MICBIAS_2_5V:
1770                 case DA7213_MICBIAS_3_0V:
1771                         micbias_lvl |= (pdata->micbias1_lvl <<
1772                                         DA7213_MICBIAS1_LEVEL_SHIFT);
1773                         break;
1774                 }
1775                 switch (pdata->micbias2_lvl) {
1776                 case DA7213_MICBIAS_1_6V:
1777                 case DA7213_MICBIAS_2_2V:
1778                 case DA7213_MICBIAS_2_5V:
1779                 case DA7213_MICBIAS_3_0V:
1780                         micbias_lvl |= (pdata->micbias2_lvl <<
1781                                          DA7213_MICBIAS2_LEVEL_SHIFT);
1782                         break;
1783                 }
1784                 snd_soc_update_bits(codec, DA7213_MICBIAS_CTRL,
1785                                     DA7213_MICBIAS1_LEVEL_MASK |
1786                                     DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1787
1788                 /* Set DMIC configuration */
1789                 switch (pdata->dmic_data_sel) {
1790                 case DA7213_DMIC_DATA_LFALL_RRISE:
1791                 case DA7213_DMIC_DATA_LRISE_RFALL:
1792                         dmic_cfg |= (pdata->dmic_data_sel <<
1793                                      DA7213_DMIC_DATA_SEL_SHIFT);
1794                         break;
1795                 }
1796                 switch (pdata->dmic_samplephase) {
1797                 case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1798                 case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1799                         dmic_cfg |= (pdata->dmic_samplephase <<
1800                                      DA7213_DMIC_SAMPLEPHASE_SHIFT);
1801                         break;
1802                 }
1803                 switch (pdata->dmic_clk_rate) {
1804                 case DA7213_DMIC_CLK_3_0MHZ:
1805                 case DA7213_DMIC_CLK_1_5MHZ:
1806                         dmic_cfg |= (pdata->dmic_clk_rate <<
1807                                      DA7213_DMIC_CLK_RATE_SHIFT);
1808                         break;
1809                 }
1810                 snd_soc_update_bits(codec, DA7213_MIC_CONFIG,
1811                                     DA7213_DMIC_DATA_SEL_MASK |
1812                                     DA7213_DMIC_SAMPLEPHASE_MASK |
1813                                     DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1814         }
1815
1816         /* Check if MCLK provided */
1817         da7213->mclk = devm_clk_get(codec->dev, "mclk");
1818         if (IS_ERR(da7213->mclk)) {
1819                 if (PTR_ERR(da7213->mclk) != -ENOENT)
1820                         return PTR_ERR(da7213->mclk);
1821                 else
1822                         da7213->mclk = NULL;
1823         }
1824
1825         return 0;
1826 }
1827
1828 static const struct snd_soc_codec_driver soc_codec_dev_da7213 = {
1829         .probe                  = da7213_probe,
1830         .set_bias_level         = da7213_set_bias_level,
1831
1832         .component_driver = {
1833                 .controls               = da7213_snd_controls,
1834                 .num_controls           = ARRAY_SIZE(da7213_snd_controls),
1835                 .dapm_widgets           = da7213_dapm_widgets,
1836                 .num_dapm_widgets       = ARRAY_SIZE(da7213_dapm_widgets),
1837                 .dapm_routes            = da7213_audio_map,
1838                 .num_dapm_routes        = ARRAY_SIZE(da7213_audio_map),
1839         },
1840 };
1841
1842 static const struct regmap_config da7213_regmap_config = {
1843         .reg_bits = 8,
1844         .val_bits = 8,
1845
1846         .reg_defaults = da7213_reg_defaults,
1847         .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1848         .volatile_reg = da7213_volatile_register,
1849         .cache_type = REGCACHE_RBTREE,
1850 };
1851
1852 static int da7213_i2c_probe(struct i2c_client *i2c,
1853                             const struct i2c_device_id *id)
1854 {
1855         struct da7213_priv *da7213;
1856         int ret;
1857
1858         da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv),
1859                               GFP_KERNEL);
1860         if (!da7213)
1861                 return -ENOMEM;
1862
1863         i2c_set_clientdata(i2c, da7213);
1864
1865         da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1866         if (IS_ERR(da7213->regmap)) {
1867                 ret = PTR_ERR(da7213->regmap);
1868                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1869                 return ret;
1870         }
1871
1872         ret = snd_soc_register_codec(&i2c->dev,
1873                         &soc_codec_dev_da7213, &da7213_dai, 1);
1874         if (ret < 0) {
1875                 dev_err(&i2c->dev, "Failed to register da7213 codec: %d\n",
1876                         ret);
1877         }
1878         return ret;
1879 }
1880
1881 static int da7213_remove(struct i2c_client *client)
1882 {
1883         snd_soc_unregister_codec(&client->dev);
1884         return 0;
1885 }
1886
1887 static const struct i2c_device_id da7213_i2c_id[] = {
1888         { "da7213", 0 },
1889         { }
1890 };
1891 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
1892
1893 /* I2C codec control layer */
1894 static struct i2c_driver da7213_i2c_driver = {
1895         .driver = {
1896                 .name = "da7213",
1897                 .of_match_table = of_match_ptr(da7213_of_match),
1898                 .acpi_match_table = ACPI_PTR(da7213_acpi_match),
1899         },
1900         .probe          = da7213_i2c_probe,
1901         .remove         = da7213_remove,
1902         .id_table       = da7213_i2c_id,
1903 };
1904
1905 module_i2c_driver(da7213_i2c_driver);
1906
1907 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
1908 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1909 MODULE_LICENSE("GPL");