sound/soc/codecs/da7213.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * DA7213 ALSA SoC Codec Driver
   4  *
   5  * Copyright (c) 2013 Dialog Semiconductor
   6  *
   7  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
   8  * Based on DA9055 ALSA SoC codec driver.
   9  */
  10
  11 #include <linux/acpi.h>
  12 #include <linux/of_device.h>
  13 #include <linux/property.h>
  14 #include <linux/clk.h>
  15 #include <linux/delay.h>
  16 #include <linux/i2c.h>
  17 #include <linux/regmap.h>
  18 #include <linux/slab.h>
  19 #include <linux/module.h>
  20 #include <sound/pcm.h>
  21 #include <sound/pcm_params.h>
  22 #include <linux/pm_runtime.h>
  23 #include <sound/soc.h>
  24 #include <sound/initval.h>
  25 #include <sound/tlv.h>
  26
  27 #include <sound/da7213.h>
  28 #include "da7213.h"
  29
  30
  31 /* Gain and Volume */
  32 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
  33         /* -54dB */
  34         0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
  35         /* -52.5dB to 15dB */
  36         0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
  37 );
  38
  39 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
  40         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  41         /* -78dB to 12dB */
  42         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
  43 );
  44
  45 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
  46         0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  47         /* 0dB to 36dB */
  48         0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
  49 );
  50
  51 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
  52 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
  53 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
  54 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
  55 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
  56 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
  57 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
  58
  59 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
  60 static const char * const da7213_voice_hpf_corner_txt[] = {
  61         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
  62 };
  63
  64 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
  65                             DA7213_DAC_FILTERS1,
  66                             DA7213_VOICE_HPF_CORNER_SHIFT,
  67                             da7213_voice_hpf_corner_txt);
  68
  69 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
  70                             DA7213_ADC_FILTERS1,
  71                             DA7213_VOICE_HPF_CORNER_SHIFT,
  72                             da7213_voice_hpf_corner_txt);
  73
  74 /* ADC and DAC high pass filter cutoff value */
  75 static const char * const da7213_audio_hpf_corner_txt[] = {
  76         "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
  77 };
  78
  79 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
  80                             DA7213_DAC_FILTERS1
  81                             , DA7213_AUDIO_HPF_CORNER_SHIFT,
  82                             da7213_audio_hpf_corner_txt);
  83
  84 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
  85                             DA7213_ADC_FILTERS1,
  86                             DA7213_AUDIO_HPF_CORNER_SHIFT,
  87                             da7213_audio_hpf_corner_txt);
  88
  89 /* Gain ramping rate value */
  90 static const char * const da7213_gain_ramp_rate_txt[] = {
  91         "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
  92         "nominal rate / 32"
  93 };
  94
  95 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
  96                             DA7213_GAIN_RAMP_CTRL,
  97                             DA7213_GAIN_RAMP_RATE_SHIFT,
  98                             da7213_gain_ramp_rate_txt);
  99
 100 /* DAC noise gate setup time value */
 101 static const char * const da7213_dac_ng_setup_time_txt[] = {
 102         "256 samples", "512 samples", "1024 samples", "2048 samples"
 103 };
 104
 105 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
 106                             DA7213_DAC_NG_SETUP_TIME,
 107                             DA7213_DAC_NG_SETUP_TIME_SHIFT,
 108                             da7213_dac_ng_setup_time_txt);
 109
 110 /* DAC noise gate rampup rate value */
 111 static const char * const da7213_dac_ng_rampup_txt[] = {
 112         "0.02 ms/dB", "0.16 ms/dB"
 113 };
 114
 115 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
 116                             DA7213_DAC_NG_SETUP_TIME,
 117                             DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
 118                             da7213_dac_ng_rampup_txt);
 119
 120 /* DAC noise gate rampdown rate value */
 121 static const char * const da7213_dac_ng_rampdown_txt[] = {
 122         "0.64 ms/dB", "20.48 ms/dB"
 123 };
 124
 125 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
 126                             DA7213_DAC_NG_SETUP_TIME,
 127                             DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
 128                             da7213_dac_ng_rampdown_txt);
 129
 130 /* DAC soft mute rate value */
 131 static const char * const da7213_dac_soft_mute_rate_txt[] = {
 132         "1", "2", "4", "8", "16", "32", "64"
 133 };
 134
 135 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
 136                             DA7213_DAC_FILTERS5,
 137                             DA7213_DAC_SOFTMUTE_RATE_SHIFT,
 138                             da7213_dac_soft_mute_rate_txt);
 139
 140 /* ALC Attack Rate select */
 141 static const char * const da7213_alc_attack_rate_txt[] = {
 142         "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
 143         "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 144 };
 145
 146 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
 147                             DA7213_ALC_CTRL2,
 148                             DA7213_ALC_ATTACK_SHIFT,
 149                             da7213_alc_attack_rate_txt);
 150
 151 /* ALC Release Rate select */
 152 static const char * const da7213_alc_release_rate_txt[] = {
 153         "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
 154         "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 155 };
 156
 157 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
 158                             DA7213_ALC_CTRL2,
 159                             DA7213_ALC_RELEASE_SHIFT,
 160                             da7213_alc_release_rate_txt);
 161
 162 /* ALC Hold Time select */
 163 static const char * const da7213_alc_hold_time_txt[] = {
 164         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
 165         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
 166         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
 167 };
 168
 169 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
 170                             DA7213_ALC_CTRL3,
 171                             DA7213_ALC_HOLD_SHIFT,
 172                             da7213_alc_hold_time_txt);
 173
 174 /* ALC Input Signal Tracking rate select */
 175 static const char * const da7213_alc_integ_rate_txt[] = {
 176         "1/4", "1/16", "1/256", "1/65536"
 177 };
 178
 179 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
 180                             DA7213_ALC_CTRL3,
 181                             DA7213_ALC_INTEG_ATTACK_SHIFT,
 182                             da7213_alc_integ_rate_txt);
 183
 184 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
 185                             DA7213_ALC_CTRL3,
 186                             DA7213_ALC_INTEG_RELEASE_SHIFT,
 187                             da7213_alc_integ_rate_txt);
 188
 189
 190 /*
 191  * Control Functions
 192  */
 193
 194 static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
 195 {
 196         int mid_data, top_data;
 197         int sum = 0;
 198         u8 iteration;
 199
 200         for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
 201              iteration++) {
 202                 /* Select the left or right channel and capture data */
 203                 snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
 204
 205                 /* Select middle 8 bits for read back from data register */
 206                 snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
 207                               reg_val | DA7213_ALC_DATA_MIDDLE);
 208                 mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
 209
 210                 /* Select top 8 bits for read back from data register */
 211                 snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
 212                               reg_val | DA7213_ALC_DATA_TOP);
 213                 top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
 214
 215                 sum += ((mid_data << 8) | (top_data << 16));
 216         }
 217
 218         return sum / DA7213_ALC_AVG_ITERATIONS;
 219 }
 220
 221 static void da7213_alc_calib_man(struct snd_soc_component *component)
 222 {
 223         u8 reg_val;
 224         int avg_left_data, avg_right_data, offset_l, offset_r;
 225
 226         /* Calculate average for Left and Right data */
 227         /* Left Data */
 228         avg_left_data = da7213_get_alc_data(component,
 229                         DA7213_ALC_CIC_OP_CHANNEL_LEFT);
 230         /* Right Data */
 231         avg_right_data = da7213_get_alc_data(component,
 232                          DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
 233
 234         /* Calculate DC offset */
 235         offset_l = -avg_left_data;
 236         offset_r = -avg_right_data;
 237
 238         reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
 239         snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
 240         reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
 241         snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
 242
 243         reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
 244         snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
 245         reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
 246         snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
 247
 248         /* Enable analog/digital gain mode & offset cancellation */
 249         snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
 250                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 251                             DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 252 }
 253
 254 static void da7213_alc_calib_auto(struct snd_soc_component *component)
 255 {
 256         u8 alc_ctrl1;
 257
 258         /* Begin auto calibration and wait for completion */
 259         snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
 260                             DA7213_ALC_AUTO_CALIB_EN);
 261         do {
 262                 alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1);
 263         } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
 264
 265         /* If auto calibration fails, fall back to digital gain only mode */
 266         if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
 267                 dev_warn(component->dev,
 268                          "ALC auto calibration failed with overflow\n");
 269                 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
 270                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 271                                     0);
 272         } else {
 273                 /* Enable analog/digital gain mode & offset cancellation */
 274                 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
 275                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
 276                                     DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
 277         }
 278
 279 }
 280
 281 static void da7213_alc_calib(struct snd_soc_component *component)
 282 {
 283         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 284         u8 adc_l_ctrl, adc_r_ctrl;
 285         u8 mixin_l_sel, mixin_r_sel;
 286         u8 mic_1_ctrl, mic_2_ctrl;
 287
 288         /* Save current values from ADC control registers */
 289         adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL);
 290         adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);
 291
 292         /* Save current values from MIXIN_L/R_SELECT registers */
 293         mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
 294         mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);
 295
 296         /* Save current values from MIC control registers */
 297         mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
 298         mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);
 299
 300         /* Enable ADC Left and Right */
 301         snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
 302                             DA7213_ADC_EN);
 303         snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
 304                             DA7213_ADC_EN);
 305
 306         /* Enable MIC paths */
 307         snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT,
 308                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 309                             DA7213_MIXIN_L_MIX_SELECT_MIC_2,
 310                             DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
 311                             DA7213_MIXIN_L_MIX_SELECT_MIC_2);
 312         snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT,
 313                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 314                             DA7213_MIXIN_R_MIX_SELECT_MIC_1,
 315                             DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
 316                             DA7213_MIXIN_R_MIX_SELECT_MIC_1);
 317
 318         /* Mute MIC PGAs */
 319         snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
 320                             DA7213_MUTE_EN);
 321         snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
 322                             DA7213_MUTE_EN);
 323
 324         /* Perform calibration */
 325         if (da7213->alc_calib_auto)
 326                 da7213_alc_calib_auto(component);
 327         else
 328                 da7213_alc_calib_man(component);
 329
 330         /* Restore MIXIN_L/R_SELECT registers to their original states */
 331         snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
 332         snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);
 333
 334         /* Restore ADC control registers to their original states */
 335         snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
 336         snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);
 337
 338         /* Restore original values of MIC control registers */
 339         snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
 340         snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl);
 341 }
 342
 343 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
 344                                 struct snd_ctl_elem_value *ucontrol)
 345 {
 346         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 347         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 348         int ret;
 349
 350         ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
 351
 352         /* If ALC in operation, make sure calibrated offsets are updated */
 353         if ((!ret) && (da7213->alc_en))
 354                 da7213_alc_calib(component);
 355
 356         return ret;
 357 }
 358
 359 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
 360                             struct snd_ctl_elem_value *ucontrol)
 361 {
 362         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 363         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 364
 365         /* Force ALC offset calibration if enabling ALC */
 366         if (ucontrol->value.integer.value[0] ||
 367             ucontrol->value.integer.value[1]) {
 368                 if (!da7213->alc_en) {
 369                         da7213_alc_calib(component);
 370                         da7213->alc_en = true;
 371                 }
 372         } else {
 373                 da7213->alc_en = false;
 374         }
 375
 376         return snd_soc_put_volsw(kcontrol, ucontrol);
 377 }
 378
 379
 380 /*
 381  * KControls
 382  */
 383
 384 static const struct snd_kcontrol_new da7213_snd_controls[] = {
 385
 386         /* Volume controls */
 387         SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
 388                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 389                        DA7213_NO_INVERT, mic_vol_tlv),
 390         SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
 391                        DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
 392                        DA7213_NO_INVERT, mic_vol_tlv),
 393         SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
 394                          DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
 395                          DA7213_NO_INVERT, aux_vol_tlv),
 396         SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
 397                              DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
 398                              DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
 399                              snd_soc_get_volsw_2r, da7213_put_mixin_gain,
 400                              mixin_gain_tlv),
 401         SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
 402                          DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
 403                          DA7213_NO_INVERT, digital_gain_tlv),
 404         SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
 405                          DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
 406                          DA7213_NO_INVERT, digital_gain_tlv),
 407         SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
 408                          DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
 409                          DA7213_NO_INVERT, hp_vol_tlv),
 410         SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
 411                        DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
 412                        DA7213_NO_INVERT, lineout_vol_tlv),
 413
 414         /* DAC Equalizer controls */
 415         SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
 416                    DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
 417         SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
 418                        DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 419                        DA7213_NO_INVERT, eq_gain_tlv),
 420         SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
 421                        DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 422                        DA7213_NO_INVERT, eq_gain_tlv),
 423         SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
 424                        DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 425                        DA7213_NO_INVERT, eq_gain_tlv),
 426         SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
 427                        DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 428                        DA7213_NO_INVERT, eq_gain_tlv),
 429         SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
 430                        DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
 431                        DA7213_NO_INVERT, eq_gain_tlv),
 432
 433         /* High Pass Filter and Voice Mode controls */
 434         SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
 435                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 436         SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
 437         SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
 438                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 439                    DA7213_NO_INVERT),
 440         SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
 441
 442         SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
 443                    DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
 444         SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
 445         SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
 446                    DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
 447                    DA7213_NO_INVERT),
 448         SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
 449
 450         /* Mute controls */
 451         SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
 452                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 453         SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
 454                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 455         SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 456                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 457         SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
 458                      DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
 459                      DA7213_MUTE_EN_MAX, DA7213_INVERT),
 460         SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
 461                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 462         SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 463                      DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
 464         SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
 465                    DA7213_MUTE_EN_MAX, DA7213_INVERT),
 466         SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
 467                    DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
 468                    DA7213_NO_INVERT),
 469         SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
 470
 471         /* Zero Cross controls */
 472         SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
 473                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 474         SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
 475                      DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
 476                      DA7213_NO_INVERT),
 477         SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
 478                      DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
 479
 480         /* Gain Ramping controls */
 481         SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
 482                      DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 483                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 484         SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
 485                      DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 486                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 487         SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
 488                      DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 489                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 490         SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
 491                      DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 492                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 493         SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
 494                      DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
 495                      DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
 496         SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
 497                    DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
 498                    DA7213_NO_INVERT),
 499         SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
 500
 501         /* DAC Noise Gate controls */
 502         SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
 503                    DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
 504         SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
 505         SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
 506         SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
 507         SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
 508                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 509                    DA7213_NO_INVERT),
 510         SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
 511                    DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
 512                    DA7213_NO_INVERT),
 513
 514         /* DAC Routing & Inversion */
 515         SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
 516                    DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
 517                    DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
 518         SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
 519                    DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
 520                    DA7213_NO_INVERT),
 521
 522         /* DMIC controls */
 523         SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
 524                      DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
 525                      DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
 526
 527         /* ALC Controls */
 528         SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
 529                        DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
 530                        DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
 531         SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
 532         SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
 533         SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
 534         /*
 535          * Rate at which input signal envelope is tracked as the signal gets
 536          * larger
 537          */
 538         SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
 539         /*
 540          * Rate at which input signal envelope is tracked as the signal gets
 541          * smaller
 542          */
 543         SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
 544         SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
 545                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 546                        DA7213_INVERT, alc_threshold_tlv),
 547         SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
 548                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 549                        DA7213_INVERT, alc_threshold_tlv),
 550         SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
 551                        DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
 552                        DA7213_INVERT, alc_threshold_tlv),
 553         SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
 554                        DA7213_ALC_ATTEN_MAX_SHIFT,
 555                        DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
 556                        alc_gain_tlv),
 557         SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
 558                        DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
 559                        DA7213_NO_INVERT, alc_gain_tlv),
 560         SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 561                        DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 562                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 563         SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
 564                        DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
 565                        DA7213_NO_INVERT, alc_analog_gain_tlv),
 566         SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
 567                    DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
 568                    DA7213_NO_INVERT),
 569         SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
 570                    DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
 571                    DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
 572 };
 573
 574
 575 /*
 576  * DAPM
 577  */
 578
 579 /*
 580  * Enums
 581  */
 582
 583 /* MIC PGA source select */
 584 static const char * const da7213_mic_amp_in_sel_txt[] = {
 585         "Differential", "MIC_P", "MIC_N"
 586 };
 587
 588 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
 589                             DA7213_MIC_1_CTRL,
 590                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 591                             da7213_mic_amp_in_sel_txt);
 592 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
 593         SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
 594
 595 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
 596                             DA7213_MIC_2_CTRL,
 597                             DA7213_MIC_AMP_IN_SEL_SHIFT,
 598                             da7213_mic_amp_in_sel_txt);
 599 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
 600         SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
 601
 602 /* DAI routing select */
 603 static const char * const da7213_dai_src_txt[] = {
 604         "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
 605 };
 606
 607 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
 608                             DA7213_DIG_ROUTING_DAI,
 609                             DA7213_DAI_L_SRC_SHIFT,
 610                             da7213_dai_src_txt);
 611 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
 612         SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
 613
 614 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
 615                             DA7213_DIG_ROUTING_DAI,
 616                             DA7213_DAI_R_SRC_SHIFT,
 617                             da7213_dai_src_txt);
 618 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
 619         SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
 620
 621 /* DAC routing select */
 622 static const char * const da7213_dac_src_txt[] = {
 623         "ADC Output Left", "ADC Output Right", "DAI Input Left",
 624         "DAI Input Right"
 625 };
 626
 627 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
 628                             DA7213_DIG_ROUTING_DAC,
 629                             DA7213_DAC_L_SRC_SHIFT,
 630                             da7213_dac_src_txt);
 631 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
 632         SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
 633
 634 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
 635                             DA7213_DIG_ROUTING_DAC,
 636                             DA7213_DAC_R_SRC_SHIFT,
 637                             da7213_dac_src_txt);
 638 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
 639         SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
 640
 641 /*
 642  * Mixer Controls
 643  */
 644
 645 /* Mixin Left */
 646 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
 647         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
 648                         DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
 649                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 650         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
 651                         DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
 652                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 653         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
 654                         DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
 655                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 656         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
 657                         DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
 658                         DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 659 };
 660
 661 /* Mixin Right */
 662 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
 663         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
 664                         DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
 665                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 666         SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
 667                         DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
 668                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 669         SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
 670                         DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
 671                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 672         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
 673                         DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
 674                         DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 675 };
 676
 677 /* Mixout Left */
 678 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
 679         SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
 680                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
 681                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 682         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
 683                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
 684                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 685         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
 686                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
 687                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 688         SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
 689                         DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
 690                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 691         SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 692                         DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
 693                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 694         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
 695                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 696                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 697         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
 698                         DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 699                         DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
 700 };
 701
 702 /* Mixout Right */
 703 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
 704         SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
 705                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
 706                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 707         SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
 708                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
 709                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 710         SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
 711                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
 712                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 713         SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
 714                         DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
 715                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 716         SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 717                         DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
 718                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 719         SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
 720                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
 721                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 722         SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
 723                         DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
 724                         DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
 725 };
 726
 727
 728 /*
 729  * DAPM Events
 730  */
 731
 732 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
 733                             struct snd_kcontrol *kcontrol, int event)
 734 {
 735         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 736         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
 737         u8 pll_ctrl, pll_status;
 738         int i = 0;
 739         bool srm_lock = false;
 740
 741         switch (event) {
 742         case SND_SOC_DAPM_PRE_PMU:
 743                 /* Enable DAI clks for master mode */
 744                 if (da7213->master)
 745                         snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
 746                                             DA7213_DAI_CLK_EN_MASK,
 747                                             DA7213_DAI_CLK_EN_MASK);
 748
 749                 /* PC synchronised to DAI */
 750                 snd_soc_component_update_bits(component, DA7213_PC_COUNT,
 751                                     DA7213_PC_FREERUN_MASK, 0);
 752
 753                 /* If SRM not enabled then nothing more to do */
 754                 pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
 755                 if (!(pll_ctrl & DA7213_PLL_SRM_EN))
 756                         return 0;
 757
 758                 /* Assist 32KHz mode PLL lock */
 759                 if (pll_ctrl & DA7213_PLL_32K_MODE) {
 760                         snd_soc_component_write(component, 0xF0, 0x8B);
 761                         snd_soc_component_write(component, 0xF2, 0x03);
 762                         snd_soc_component_write(component, 0xF0, 0x00);
 763                 }
 764
 765                 /* Check SRM has locked */
 766                 do {
 767                         pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS);
 768                         if (pll_status & DA7219_PLL_SRM_LOCK) {
 769                                 srm_lock = true;
 770                         } else {
 771                                 ++i;
 772                                 msleep(50);
 773                         }
 774                 } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
 775
 776                 if (!srm_lock)
 777                         dev_warn(component->dev, "SRM failed to lock\n");
 778
 779                 return 0;
 780         case SND_SOC_DAPM_POST_PMD:
 781                 /* Revert 32KHz PLL lock udpates if applied previously */
 782                 pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
 783                 if (pll_ctrl & DA7213_PLL_32K_MODE) {
 784                         snd_soc_component_write(component, 0xF0, 0x8B);
 785                         snd_soc_component_write(component, 0xF2, 0x01);
 786                         snd_soc_component_write(component, 0xF0, 0x00);
 787                 }
 788
 789                 /* PC free-running */
 790                 snd_soc_component_update_bits(component, DA7213_PC_COUNT,
 791                                     DA7213_PC_FREERUN_MASK,
 792                                     DA7213_PC_FREERUN_MASK);
 793
 794                 /* Disable DAI clks if in master mode */
 795                 if (da7213->master)
 796                         snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
 797                                             DA7213_DAI_CLK_EN_MASK, 0);
 798                 return 0;
 799         default:
 800                 return -EINVAL;
 801         }
 802 }
 803
 804
 805 /*
 806  * DAPM widgets
 807  */
 808
 809 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
 810         /*
 811          * Power Supply
 812          */
 813         SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),
 814
 815         /*
 816          * Input & Output
 817          */
 818
 819         /* Use a supply here as this controls both input & output DAIs */
 820         SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
 821                             DA7213_NO_INVERT, da7213_dai_event,
 822                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 823
 824         /*
 825          * Input
 826          */
 827
 828         /* Input Lines */
 829         SND_SOC_DAPM_INPUT("MIC1"),
 830         SND_SOC_DAPM_INPUT("MIC2"),
 831         SND_SOC_DAPM_INPUT("AUXL"),
 832         SND_SOC_DAPM_INPUT("AUXR"),
 833
 834         /* MUXs for Mic PGA source selection */
 835         SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 836                          &da7213_mic_1_amp_in_sel_mux),
 837         SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
 838                          &da7213_mic_2_amp_in_sel_mux),
 839
 840         /* Input PGAs */
 841         SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
 842                          DA7213_NO_INVERT, NULL, 0),
 843         SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
 844                          DA7213_NO_INVERT, NULL, 0),
 845         SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
 846                          DA7213_NO_INVERT, NULL, 0),
 847         SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
 848                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 849         SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
 850                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 851         SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
 852                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 853
 854         /* Mic Biases */
 855         SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
 856                             DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
 857                             NULL, 0),
 858         SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
 859                             DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
 860                             NULL, 0),
 861
 862         /* Input Mixers */
 863         SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
 864                            &da7213_dapm_mixinl_controls[0],
 865                            ARRAY_SIZE(da7213_dapm_mixinl_controls)),
 866         SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
 867                            &da7213_dapm_mixinr_controls[0],
 868                            ARRAY_SIZE(da7213_dapm_mixinr_controls)),
 869
 870         /* ADCs */
 871         SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
 872                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 873         SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
 874                          DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
 875
 876         /* DAI */
 877         SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
 878                          &da7213_dai_l_src_mux),
 879         SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
 880                          &da7213_dai_r_src_mux),
 881         SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
 882         SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
 883
 884         /*
 885          * Output
 886          */
 887
 888         /* DAI */
 889         SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
 890         SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
 891         SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
 892                          &da7213_dac_l_src_mux),
 893         SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
 894                          &da7213_dac_r_src_mux),
 895
 896         /* DACs */
 897         SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
 898                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 899         SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
 900                          DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
 901
 902         /* Output Mixers */
 903         SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
 904                            &da7213_dapm_mixoutl_controls[0],
 905                            ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
 906         SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
 907                            &da7213_dapm_mixoutr_controls[0],
 908                            ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
 909
 910         /* Output PGAs */
 911         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
 912                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 913         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
 914                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 915         SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
 916                          DA7213_NO_INVERT, NULL, 0),
 917         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
 918                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 919         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
 920                          DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
 921
 922         /* Charge Pump */
 923         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
 924                             DA7213_NO_INVERT, NULL, 0),
 925
 926         /* Output Lines */
 927         SND_SOC_DAPM_OUTPUT("HPL"),
 928         SND_SOC_DAPM_OUTPUT("HPR"),
 929         SND_SOC_DAPM_OUTPUT("LINE"),
 930 };
 931
 932
 933 /*
 934  * DAPM audio route definition
 935  */
 936
 937 static const struct snd_soc_dapm_route da7213_audio_map[] = {
 938         /* Dest       Connecting Widget    source */
 939
 940         /* Input path */
 941         {"Mic Bias 1", NULL, "VDDMIC"},
 942         {"Mic Bias 2", NULL, "VDDMIC"},
 943
 944         {"MIC1", NULL, "Mic Bias 1"},
 945         {"MIC2", NULL, "Mic Bias 2"},
 946
 947         {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
 948         {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
 949         {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
 950
 951         {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
 952         {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
 953         {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
 954
 955         {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
 956         {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
 957
 958         {"Aux Left PGA", NULL, "AUXL"},
 959         {"Aux Right PGA", NULL, "AUXR"},
 960
 961         {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
 962         {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
 963         {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
 964         {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
 965
 966         {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
 967         {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
 968         {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
 969         {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
 970
 971         {"Mixin Left PGA", NULL, "Mixin Left"},
 972         {"ADC Left", NULL, "Mixin Left PGA"},
 973
 974         {"Mixin Right PGA", NULL, "Mixin Right"},
 975         {"ADC Right", NULL, "Mixin Right PGA"},
 976
 977         {"DAI Left Source MUX", "ADC Left", "ADC Left"},
 978         {"DAI Left Source MUX", "ADC Right", "ADC Right"},
 979         {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
 980         {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
 981
 982         {"DAI Right Source MUX", "ADC Left", "ADC Left"},
 983         {"DAI Right Source MUX", "ADC Right", "ADC Right"},
 984         {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
 985         {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
 986
 987         {"DAIOUTL", NULL, "DAI Left Source MUX"},
 988         {"DAIOUTR", NULL, "DAI Right Source MUX"},
 989
 990         {"DAIOUTL", NULL, "DAI"},
 991         {"DAIOUTR", NULL, "DAI"},
 992
 993         /* Output path */
 994         {"DAIINL", NULL, "DAI"},
 995         {"DAIINR", NULL, "DAI"},
 996
 997         {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
 998         {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
 999         {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
1000         {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
1001
1002         {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
1003         {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
1004         {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
1005         {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
1006
1007         {"DAC Left", NULL, "DAC Left Source MUX"},
1008         {"DAC Right", NULL, "DAC Right Source MUX"},
1009
1010         {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1011         {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1012         {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1013         {"Mixout Left", "DAC Left Switch", "DAC Left"},
1014         {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1015         {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1016         {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1017
1018         {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1019         {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1020         {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1021         {"Mixout Right", "DAC Right Switch", "DAC Right"},
1022         {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1023         {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1024         {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1025
1026         {"Mixout Left PGA", NULL, "Mixout Left"},
1027         {"Mixout Right PGA", NULL, "Mixout Right"},
1028
1029         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1030         {"Headphone Left PGA", NULL, "Charge Pump"},
1031         {"HPL", NULL, "Headphone Left PGA"},
1032
1033         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1034         {"Headphone Right PGA", NULL, "Charge Pump"},
1035         {"HPR", NULL, "Headphone Right PGA"},
1036
1037         {"Lineout PGA", NULL, "Mixout Right PGA"},
1038         {"LINE", NULL, "Lineout PGA"},
1039 };
1040
1041 static const struct reg_default da7213_reg_defaults[] = {
1042         { DA7213_DIG_ROUTING_DAI, 0x10 },
1043         { DA7213_SR, 0x0A },
1044         { DA7213_REFERENCES, 0x80 },
1045         { DA7213_PLL_FRAC_TOP, 0x00 },
1046         { DA7213_PLL_FRAC_BOT, 0x00 },
1047         { DA7213_PLL_INTEGER, 0x20 },
1048         { DA7213_PLL_CTRL, 0x0C },
1049         { DA7213_DAI_CLK_MODE, 0x01 },
1050         { DA7213_DAI_CTRL, 0x08 },
1051         { DA7213_DIG_ROUTING_DAC, 0x32 },
1052         { DA7213_AUX_L_GAIN, 0x35 },
1053         { DA7213_AUX_R_GAIN, 0x35 },
1054         { DA7213_MIXIN_L_SELECT, 0x00 },
1055         { DA7213_MIXIN_R_SELECT, 0x00 },
1056         { DA7213_MIXIN_L_GAIN, 0x03 },
1057         { DA7213_MIXIN_R_GAIN, 0x03 },
1058         { DA7213_ADC_L_GAIN, 0x6F },
1059         { DA7213_ADC_R_GAIN, 0x6F },
1060         { DA7213_ADC_FILTERS1, 0x80 },
1061         { DA7213_MIC_1_GAIN, 0x01 },
1062         { DA7213_MIC_2_GAIN, 0x01 },
1063         { DA7213_DAC_FILTERS5, 0x00 },
1064         { DA7213_DAC_FILTERS2, 0x88 },
1065         { DA7213_DAC_FILTERS3, 0x88 },
1066         { DA7213_DAC_FILTERS4, 0x08 },
1067         { DA7213_DAC_FILTERS1, 0x80 },
1068         { DA7213_DAC_L_GAIN, 0x6F },
1069         { DA7213_DAC_R_GAIN, 0x6F },
1070         { DA7213_CP_CTRL, 0x61 },
1071         { DA7213_HP_L_GAIN, 0x39 },
1072         { DA7213_HP_R_GAIN, 0x39 },
1073         { DA7213_LINE_GAIN, 0x30 },
1074         { DA7213_MIXOUT_L_SELECT, 0x00 },
1075         { DA7213_MIXOUT_R_SELECT, 0x00 },
1076         { DA7213_SYSTEM_MODES_INPUT, 0x00 },
1077         { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1078         { DA7213_AUX_L_CTRL, 0x44 },
1079         { DA7213_AUX_R_CTRL, 0x44 },
1080         { DA7213_MICBIAS_CTRL, 0x11 },
1081         { DA7213_MIC_1_CTRL, 0x40 },
1082         { DA7213_MIC_2_CTRL, 0x40 },
1083         { DA7213_MIXIN_L_CTRL, 0x40 },
1084         { DA7213_MIXIN_R_CTRL, 0x40 },
1085         { DA7213_ADC_L_CTRL, 0x40 },
1086         { DA7213_ADC_R_CTRL, 0x40 },
1087         { DA7213_DAC_L_CTRL, 0x48 },
1088         { DA7213_DAC_R_CTRL, 0x40 },
1089         { DA7213_HP_L_CTRL, 0x41 },
1090         { DA7213_HP_R_CTRL, 0x40 },
1091         { DA7213_LINE_CTRL, 0x40 },
1092         { DA7213_MIXOUT_L_CTRL, 0x10 },
1093         { DA7213_MIXOUT_R_CTRL, 0x10 },
1094         { DA7213_LDO_CTRL, 0x00 },
1095         { DA7213_IO_CTRL, 0x00 },
1096         { DA7213_GAIN_RAMP_CTRL, 0x00},
1097         { DA7213_MIC_CONFIG, 0x00 },
1098         { DA7213_PC_COUNT, 0x00 },
1099         { DA7213_CP_VOL_THRESHOLD1, 0x32 },
1100         { DA7213_CP_DELAY, 0x95 },
1101         { DA7213_CP_DETECTOR, 0x00 },
1102         { DA7213_DAI_OFFSET, 0x00 },
1103         { DA7213_DIG_CTRL, 0x00 },
1104         { DA7213_ALC_CTRL2, 0x00 },
1105         { DA7213_ALC_CTRL3, 0x00 },
1106         { DA7213_ALC_NOISE, 0x3F },
1107         { DA7213_ALC_TARGET_MIN, 0x3F },
1108         { DA7213_ALC_TARGET_MAX, 0x00 },
1109         { DA7213_ALC_GAIN_LIMITS, 0xFF },
1110         { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1111         { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1112         { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1113         { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1114         { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1115         { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1116         { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1117         { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1118         { DA7213_DAC_NG_SETUP_TIME, 0x00 },
1119         { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1120         { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1121         { DA7213_DAC_NG_CTRL, 0x00 },
1122 };
1123
1124 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1125 {
1126         switch (reg) {
1127         case DA7213_STATUS1:
1128         case DA7213_PLL_STATUS:
1129         case DA7213_AUX_L_GAIN_STATUS:
1130         case DA7213_AUX_R_GAIN_STATUS:
1131         case DA7213_MIC_1_GAIN_STATUS:
1132         case DA7213_MIC_2_GAIN_STATUS:
1133         case DA7213_MIXIN_L_GAIN_STATUS:
1134         case DA7213_MIXIN_R_GAIN_STATUS:
1135         case DA7213_ADC_L_GAIN_STATUS:
1136         case DA7213_ADC_R_GAIN_STATUS:
1137         case DA7213_DAC_L_GAIN_STATUS:
1138         case DA7213_DAC_R_GAIN_STATUS:
1139         case DA7213_HP_L_GAIN_STATUS:
1140         case DA7213_HP_R_GAIN_STATUS:
1141         case DA7213_LINE_GAIN_STATUS:
1142         case DA7213_ALC_CTRL1:
1143         case DA7213_ALC_OFFSET_AUTO_M_L:
1144         case DA7213_ALC_OFFSET_AUTO_U_L:
1145         case DA7213_ALC_OFFSET_AUTO_M_R:
1146         case DA7213_ALC_OFFSET_AUTO_U_R:
1147         case DA7213_ALC_CIC_OP_LVL_DATA:
1148                 return true;
1149         default:
1150                 return false;
1151         }
1152 }
1153
1154 static int da7213_hw_params(struct snd_pcm_substream *substream,
1155                             struct snd_pcm_hw_params *params,
1156                             struct snd_soc_dai *dai)
1157 {
1158         struct snd_soc_component *component = dai->component;
1159         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1160         u8 dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_64;
1161         u8 dai_ctrl = 0;
1162         u8 fs;
1163
1164         /* Set channels */
1165         switch (params_channels(params)) {
1166         case 1:
1167                 if (da7213->fmt != DA7213_DAI_FORMAT_DSP) {
1168                         dev_err(component->dev, "Mono supported only in DSP mode\n");
1169                         return -EINVAL;
1170                 }
1171                 dai_ctrl |= DA7213_DAI_MONO_MODE_EN;
1172                 break;
1173         case 2:
1174                 dai_ctrl &= ~(DA7213_DAI_MONO_MODE_EN);
1175                 break;
1176         default:
1177                 return -EINVAL;
1178         }
1179
1180         /* Set DAI format */
1181         switch (params_width(params)) {
1182         case 16:
1183                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1184                 dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_32; /* 32bit for 1ch and 2ch */
1185                 break;
1186         case 20:
1187                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1188                 break;
1189         case 24:
1190                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1191                 break;
1192         case 32:
1193                 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1194                 break;
1195         default:
1196                 return -EINVAL;
1197         }
1198
1199         /* Set sampling rate */
1200         switch (params_rate(params)) {
1201         case 8000:
1202                 fs = DA7213_SR_8000;
1203                 da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1204                 break;
1205         case 11025:
1206                 fs = DA7213_SR_11025;
1207                 da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1208                 break;
1209         case 12000:
1210                 fs = DA7213_SR_12000;
1211                 da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1212                 break;
1213         case 16000:
1214                 fs = DA7213_SR_16000;
1215                 da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1216                 break;
1217         case 22050:
1218                 fs = DA7213_SR_22050;
1219                 da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1220                 break;
1221         case 32000:
1222                 fs = DA7213_SR_32000;
1223                 da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1224                 break;
1225         case 44100:
1226                 fs = DA7213_SR_44100;
1227                 da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1228                 break;
1229         case 48000:
1230                 fs = DA7213_SR_48000;
1231                 da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1232                 break;
1233         case 88200:
1234                 fs = DA7213_SR_88200;
1235                 da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1236                 break;
1237         case 96000:
1238                 fs = DA7213_SR_96000;
1239                 da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1240                 break;
1241         default:
1242                 return -EINVAL;
1243         }
1244
1245         snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1246                 DA7213_DAI_BCLKS_PER_WCLK_MASK, dai_clk_mode);
1247
1248         snd_soc_component_update_bits(component, DA7213_DAI_CTRL,
1249                 DA7213_DAI_WORD_LENGTH_MASK | DA7213_DAI_MONO_MODE_MASK, dai_ctrl);
1250         snd_soc_component_write(component, DA7213_SR, fs);
1251
1252         return 0;
1253 }
1254
1255 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1256 {
1257         struct snd_soc_component *component = codec_dai->component;
1258         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1259         u8 dai_clk_mode = 0, dai_ctrl = 0;
1260         u8 dai_offset = 0;
1261
1262         /* Set master/slave mode */
1263         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1264         case SND_SOC_DAIFMT_CBM_CFM:
1265                 da7213->master = true;
1266                 break;
1267         case SND_SOC_DAIFMT_CBS_CFS:
1268                 da7213->master = false;
1269                 break;
1270         default:
1271                 return -EINVAL;
1272         }
1273
1274         /* Set clock normal/inverted */
1275         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1276         case SND_SOC_DAIFMT_I2S:
1277         case SND_SOC_DAIFMT_LEFT_J:
1278         case SND_SOC_DAIFMT_RIGHT_J:
1279                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1280                 case SND_SOC_DAIFMT_NB_NF:
1281                         break;
1282                 case SND_SOC_DAIFMT_NB_IF:
1283                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1284                         break;
1285                 case SND_SOC_DAIFMT_IB_NF:
1286                         dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1287                         break;
1288                 case SND_SOC_DAIFMT_IB_IF:
1289                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1290                                         DA7213_DAI_CLK_POL_INV;
1291                         break;
1292                 default:
1293                         return -EINVAL;
1294                 }
1295                 break;
1296         case SND_SOC_DAI_FORMAT_DSP_A:
1297         case SND_SOC_DAI_FORMAT_DSP_B:
1298                 /* The bclk is inverted wrt ASoC conventions */
1299                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1300                 case SND_SOC_DAIFMT_NB_NF:
1301                         dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1302                         break;
1303                 case SND_SOC_DAIFMT_NB_IF:
1304                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1305                                         DA7213_DAI_CLK_POL_INV;
1306                         break;
1307                 case SND_SOC_DAIFMT_IB_NF:
1308                         break;
1309                 case SND_SOC_DAIFMT_IB_IF:
1310                         dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1311                         break;
1312                 default:
1313                         return -EINVAL;
1314                 }
1315                 break;
1316         default:
1317                 return -EINVAL;
1318         }
1319
1320         /* Only I2S is supported */
1321         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1322         case SND_SOC_DAIFMT_I2S:
1323                 dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1324                 da7213->fmt = DA7213_DAI_FORMAT_I2S_MODE;
1325                 break;
1326         case SND_SOC_DAIFMT_LEFT_J:
1327                 dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1328                 da7213->fmt = DA7213_DAI_FORMAT_LEFT_J;
1329                 break;
1330         case SND_SOC_DAIFMT_RIGHT_J:
1331                 dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1332                 da7213->fmt = DA7213_DAI_FORMAT_RIGHT_J;
1333                 break;
1334         case SND_SOC_DAI_FORMAT_DSP_A: /* L data MSB after FRM LRC */
1335                 dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1336                 dai_offset = 1;
1337                 da7213->fmt = DA7213_DAI_FORMAT_DSP;
1338                 break;
1339         case SND_SOC_DAI_FORMAT_DSP_B: /* L data MSB during FRM LRC */
1340                 dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1341                 da7213->fmt = DA7213_DAI_FORMAT_DSP;
1342                 break;
1343         default:
1344                 return -EINVAL;
1345         }
1346
1347         /* By default only 64 BCLK per WCLK is supported */
1348         dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1349
1350         snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1351                             DA7213_DAI_BCLKS_PER_WCLK_MASK |
1352                             DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
1353                             dai_clk_mode);
1354         snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1355                             dai_ctrl);
1356         snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
1357
1358         return 0;
1359 }
1360
1361 static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
1362 {
1363         struct snd_soc_component *component = dai->component;
1364
1365         if (mute) {
1366                 snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1367                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1368                 snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1369                                     DA7213_MUTE_EN, DA7213_MUTE_EN);
1370         } else {
1371                 snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1372                                     DA7213_MUTE_EN, 0);
1373                 snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1374                                     DA7213_MUTE_EN, 0);
1375         }
1376
1377         return 0;
1378 }
1379
1380 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1381                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1382
1383 static int da7213_set_component_sysclk(struct snd_soc_component *component,
1384                                        int clk_id, int source,
1385                                        unsigned int freq, int dir)
1386 {
1387         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1388         int ret = 0;
1389
1390         if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1391                 return 0;
1392
1393         if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1394                 dev_err(component->dev, "Unsupported MCLK value %d\n",
1395                         freq);
1396                 return -EINVAL;
1397         }
1398
1399         switch (clk_id) {
1400         case DA7213_CLKSRC_MCLK:
1401                 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1402                                     DA7213_PLL_MCLK_SQR_EN, 0);
1403                 break;
1404         case DA7213_CLKSRC_MCLK_SQR:
1405                 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1406                                     DA7213_PLL_MCLK_SQR_EN,
1407                                     DA7213_PLL_MCLK_SQR_EN);
1408                 break;
1409         default:
1410                 dev_err(component->dev, "Unknown clock source %d\n", clk_id);
1411                 return -EINVAL;
1412         }
1413
1414         da7213->clk_src = clk_id;
1415
1416         if (da7213->mclk) {
1417                 freq = clk_round_rate(da7213->mclk, freq);
1418                 ret = clk_set_rate(da7213->mclk, freq);
1419                 if (ret) {
1420                         dev_err(component->dev, "Failed to set clock rate %d\n",
1421                                 freq);
1422                         return ret;
1423                 }
1424         }
1425
1426         da7213->mclk_rate = freq;
1427
1428         return 0;
1429 }
1430
1431 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1432 static int _da7213_set_component_pll(struct snd_soc_component *component,
1433                                      int pll_id, int source,
1434                                      unsigned int fref, unsigned int fout)
1435 {
1436         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1437
1438         u8 pll_ctrl, indiv_bits, indiv;
1439         u8 pll_frac_top, pll_frac_bot, pll_integer;
1440         u32 freq_ref;
1441         u64 frac_div;
1442
1443         /* Workout input divider based on MCLK rate */
1444         if (da7213->mclk_rate == 32768) {
1445                 if (!da7213->master) {
1446                         dev_err(component->dev,
1447                                 "32KHz only valid if codec is clock master\n");
1448                         return -EINVAL;
1449                 }
1450
1451                 /* 32KHz PLL Mode */
1452                 indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1453                 indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1454                 source = DA7213_SYSCLK_PLL_32KHZ;
1455                 freq_ref = 3750000;
1456
1457         } else {
1458                 if (da7213->mclk_rate < 5000000) {
1459                         dev_err(component->dev,
1460                                 "PLL input clock %d below valid range\n",
1461                                 da7213->mclk_rate);
1462                         return -EINVAL;
1463                 } else if (da7213->mclk_rate <= 9000000) {
1464                         indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1465                         indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1466                 } else if (da7213->mclk_rate <= 18000000) {
1467                         indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1468                         indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1469                 } else if (da7213->mclk_rate <= 36000000) {
1470                         indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1471                         indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1472                 } else if (da7213->mclk_rate <= 54000000) {
1473                         indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1474                         indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1475                 } else {
1476                         dev_err(component->dev,
1477                                 "PLL input clock %d above valid range\n",
1478                                 da7213->mclk_rate);
1479                         return -EINVAL;
1480                 }
1481                 freq_ref = (da7213->mclk_rate / indiv);
1482         }
1483
1484         pll_ctrl = indiv_bits;
1485
1486         /* Configure PLL */
1487         switch (source) {
1488         case DA7213_SYSCLK_MCLK:
1489                 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1490                                     DA7213_PLL_INDIV_MASK |
1491                                     DA7213_PLL_MODE_MASK, pll_ctrl);
1492                 return 0;
1493         case DA7213_SYSCLK_PLL:
1494                 break;
1495         case DA7213_SYSCLK_PLL_SRM:
1496                 pll_ctrl |= DA7213_PLL_SRM_EN;
1497                 fout = DA7213_PLL_FREQ_OUT_94310400;
1498                 break;
1499         case DA7213_SYSCLK_PLL_32KHZ:
1500                 if (da7213->mclk_rate != 32768) {
1501                         dev_err(component->dev,
1502                                 "32KHz mode only valid with 32KHz MCLK\n");
1503                         return -EINVAL;
1504                 }
1505
1506                 pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1507                 fout = DA7213_PLL_FREQ_OUT_94310400;
1508                 break;
1509         default:
1510                 dev_err(component->dev, "Invalid PLL config\n");
1511                 return -EINVAL;
1512         }
1513
1514         /* Calculate dividers for PLL */
1515         pll_integer = fout / freq_ref;
1516         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1517         do_div(frac_div, freq_ref);
1518         pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1519         pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1520
1521         /* Write PLL dividers */
1522         snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
1523         snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1524         snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);
1525
1526         /* Enable PLL */
1527         pll_ctrl |= DA7213_PLL_EN;
1528         snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1529                             DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1530                             pll_ctrl);
1531
1532         /* Assist 32KHz mode PLL lock */
1533         if (source == DA7213_SYSCLK_PLL_32KHZ) {
1534                 snd_soc_component_write(component, 0xF0, 0x8B);
1535                 snd_soc_component_write(component, 0xF1, 0x03);
1536                 snd_soc_component_write(component, 0xF1, 0x01);
1537                 snd_soc_component_write(component, 0xF0, 0x00);
1538         }
1539
1540         return 0;
1541 }
1542
1543 static int da7213_set_component_pll(struct snd_soc_component *component,
1544                                     int pll_id, int source,
1545                                     unsigned int fref, unsigned int fout)
1546 {
1547         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1548         da7213->fixed_clk_auto_pll = false;
1549
1550         return _da7213_set_component_pll(component, pll_id, source, fref, fout);
1551 }
1552
1553 /* DAI operations */
1554 static const struct snd_soc_dai_ops da7213_dai_ops = {
1555         .hw_params      = da7213_hw_params,
1556         .set_fmt        = da7213_set_dai_fmt,
1557         .mute_stream    = da7213_mute,
1558         .no_capture_mute = 1,
1559 };
1560
1561 static struct snd_soc_dai_driver da7213_dai = {
1562         .name = "da7213-hifi",
1563         /* Playback Capabilities */
1564         .playback = {
1565                 .stream_name = "Playback",
1566                 .channels_min = 1,
1567                 .channels_max = 2,
1568                 .rates = SNDRV_PCM_RATE_8000_96000,
1569                 .formats = DA7213_FORMATS,
1570         },
1571         /* Capture Capabilities */
1572         .capture = {
1573                 .stream_name = "Capture",
1574                 .channels_min = 1,
1575                 .channels_max = 2,
1576                 .rates = SNDRV_PCM_RATE_8000_96000,
1577                 .formats = DA7213_FORMATS,
1578         },
1579         .ops = &da7213_dai_ops,
1580         .symmetric_rate = 1,
1581 };
1582
1583 static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
1584 {
1585         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1586         int mode;
1587
1588         if (!da7213->fixed_clk_auto_pll)
1589                 return 0;
1590
1591         da7213->mclk_rate = clk_get_rate(da7213->mclk);
1592
1593         if (enable) {
1594                 /* Slave mode needs SRM for non-harmonic frequencies */
1595                 if (da7213->master)
1596                         mode = DA7213_SYSCLK_PLL;
1597                 else
1598                         mode = DA7213_SYSCLK_PLL_SRM;
1599
1600                 /* PLL is not required for harmonic frequencies */
1601                 switch (da7213->out_rate) {
1602                 case DA7213_PLL_FREQ_OUT_90316800:
1603                         if (da7213->mclk_rate == 11289600 ||
1604                             da7213->mclk_rate == 22579200 ||
1605                             da7213->mclk_rate == 45158400)
1606                                 mode = DA7213_SYSCLK_MCLK;
1607                         break;
1608                 case DA7213_PLL_FREQ_OUT_98304000:
1609                         if (da7213->mclk_rate == 12288000 ||
1610                             da7213->mclk_rate == 24576000 ||
1611                             da7213->mclk_rate == 49152000)
1612                                 mode = DA7213_SYSCLK_MCLK;
1613
1614                         break;
1615                 default:
1616                         return -1;
1617                 }
1618         } else {
1619                 /* Disable PLL in standby */
1620                 mode = DA7213_SYSCLK_MCLK;
1621         }
1622
1623         return _da7213_set_component_pll(component, 0, mode,
1624                                          da7213->mclk_rate, da7213->out_rate);
1625 }
1626
1627 static int da7213_set_bias_level(struct snd_soc_component *component,
1628                                  enum snd_soc_bias_level level)
1629 {
1630         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1631         int ret;
1632
1633         switch (level) {
1634         case SND_SOC_BIAS_ON:
1635                 break;
1636         case SND_SOC_BIAS_PREPARE:
1637                 /* Enable MCLK for transition to ON state */
1638                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1639                         if (da7213->mclk) {
1640                                 ret = clk_prepare_enable(da7213->mclk);
1641                                 if (ret) {
1642                                         dev_err(component->dev,
1643                                                 "Failed to enable mclk\n");
1644                                         return ret;
1645                                 }
1646
1647                                 da7213_set_auto_pll(component, true);
1648                         }
1649                 }
1650                 break;
1651         case SND_SOC_BIAS_STANDBY:
1652                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1653                         /* Enable VMID reference & master bias */
1654                         snd_soc_component_update_bits(component, DA7213_REFERENCES,
1655                                             DA7213_VMID_EN | DA7213_BIAS_EN,
1656                                             DA7213_VMID_EN | DA7213_BIAS_EN);
1657                 } else {
1658                         /* Remove MCLK */
1659                         if (da7213->mclk) {
1660                                 da7213_set_auto_pll(component, false);
1661                                 clk_disable_unprepare(da7213->mclk);
1662                         }
1663                 }
1664                 break;
1665         case SND_SOC_BIAS_OFF:
1666                 /* Disable VMID reference & master bias */
1667                 snd_soc_component_update_bits(component, DA7213_REFERENCES,
1668                                     DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1669                 break;
1670         }
1671         return 0;
1672 }
1673
1674 #if defined(CONFIG_OF)
1675 /* DT */
1676 static const struct of_device_id da7213_of_match[] = {
1677         { .compatible = "dlg,da7212", },
1678         { .compatible = "dlg,da7213", },
1679         { }
1680 };
1681 MODULE_DEVICE_TABLE(of, da7213_of_match);
1682 #endif
1683
1684 #ifdef CONFIG_ACPI
1685 static const struct acpi_device_id da7213_acpi_match[] = {
1686         { "DLGS7212", 0},
1687         { "DLGS7213", 0},
1688         { },
1689 };
1690 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1691 #endif
1692
1693 static enum da7213_micbias_voltage
1694         da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val)
1695 {
1696         switch (val) {
1697         case 1600:
1698                 return DA7213_MICBIAS_1_6V;
1699         case 2200:
1700                 return DA7213_MICBIAS_2_2V;
1701         case 2500:
1702                 return DA7213_MICBIAS_2_5V;
1703         case 3000:
1704                 return DA7213_MICBIAS_3_0V;
1705         default:
1706                 dev_warn(component->dev, "Invalid micbias level\n");
1707                 return DA7213_MICBIAS_2_2V;
1708         }
1709 }
1710
1711 static enum da7213_dmic_data_sel
1712         da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
1713 {
1714         if (!strcmp(str, "lrise_rfall")) {
1715                 return DA7213_DMIC_DATA_LRISE_RFALL;
1716         } else if (!strcmp(str, "lfall_rrise")) {
1717                 return DA7213_DMIC_DATA_LFALL_RRISE;
1718         } else {
1719                 dev_warn(component->dev, "Invalid DMIC data select type\n");
1720                 return DA7213_DMIC_DATA_LRISE_RFALL;
1721         }
1722 }
1723
1724 static enum da7213_dmic_samplephase
1725         da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
1726 {
1727         if (!strcmp(str, "on_clkedge")) {
1728                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1729         } else if (!strcmp(str, "between_clkedge")) {
1730                 return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1731         } else {
1732                 dev_warn(component->dev, "Invalid DMIC sample phase\n");
1733                 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1734         }
1735 }
1736
1737 static enum da7213_dmic_clk_rate
1738         da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
1739 {
1740         switch (val) {
1741         case 1500000:
1742                 return DA7213_DMIC_CLK_1_5MHZ;
1743         case 3000000:
1744                 return DA7213_DMIC_CLK_3_0MHZ;
1745         default:
1746                 dev_warn(component->dev, "Invalid DMIC clock rate\n");
1747                 return DA7213_DMIC_CLK_1_5MHZ;
1748         }
1749 }
1750
1751 static struct da7213_platform_data
1752         *da7213_fw_to_pdata(struct snd_soc_component *component)
1753 {
1754         struct device *dev = component->dev;
1755         struct da7213_platform_data *pdata;
1756         const char *fw_str;
1757         u32 fw_val32;
1758
1759         pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
1760         if (!pdata)
1761                 return NULL;
1762
1763         if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1764                 pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
1765         else
1766                 pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1767
1768         if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1769                 pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
1770         else
1771                 pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1772
1773         if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1774                 pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
1775         else
1776                 pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1777
1778         if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1779                 pdata->dmic_samplephase =
1780                         da7213_of_dmic_samplephase(component, fw_str);
1781         else
1782                 pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1783
1784         if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1785                 pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
1786         else
1787                 pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1788
1789         return pdata;
1790 }
1791
1792 static int da7213_probe(struct snd_soc_component *component)
1793 {
1794         struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1795
1796         pm_runtime_get_sync(component->dev);
1797
1798         /* Default to using ALC auto offset calibration mode. */
1799         snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
1800                             DA7213_ALC_CALIB_MODE_MAN, 0);
1801         da7213->alc_calib_auto = true;
1802
1803         /* Default PC counter to free-running */
1804         snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1805                             DA7213_PC_FREERUN_MASK);
1806
1807         /* Enable all Gain Ramps */
1808         snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL,
1809                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1810         snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL,
1811                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1812         snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1813                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1814         snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1815                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1816         snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL,
1817                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1818         snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL,
1819                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1820         snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1821                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1822         snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1823                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1824         snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1825                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1826         snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1827                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1828         snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1829                             DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1830
1831         /*
1832          * There are two separate control bits for input and output mixers as
1833          * well as headphone and line outs.
1834          * One to enable corresponding amplifier and other to enable its
1835          * output. As amplifier bits are related to power control, they are
1836          * being managed by DAPM while other (non power related) bits are
1837          * enabled here
1838          */
1839         snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1840                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1841         snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1842                             DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1843
1844         snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL,
1845                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1846         snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL,
1847                             DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1848
1849         snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1850                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1851         snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1852                             DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1853
1854         snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1855                             DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1856
1857         /* Handle DT/Platform data */
1858         da7213->pdata = dev_get_platdata(component->dev);
1859         if (!da7213->pdata)
1860                 da7213->pdata = da7213_fw_to_pdata(component);
1861
1862         /* Set platform data values */
1863         if (da7213->pdata) {
1864                 struct da7213_platform_data *pdata = da7213->pdata;
1865                 u8 micbias_lvl = 0, dmic_cfg = 0;
1866
1867                 /* Set Mic Bias voltages */
1868                 switch (pdata->micbias1_lvl) {
1869                 case DA7213_MICBIAS_1_6V:
1870                 case DA7213_MICBIAS_2_2V:
1871                 case DA7213_MICBIAS_2_5V:
1872                 case DA7213_MICBIAS_3_0V:
1873                         micbias_lvl |= (pdata->micbias1_lvl <<
1874                                         DA7213_MICBIAS1_LEVEL_SHIFT);
1875                         break;
1876                 }
1877                 switch (pdata->micbias2_lvl) {
1878                 case DA7213_MICBIAS_1_6V:
1879                 case DA7213_MICBIAS_2_2V:
1880                 case DA7213_MICBIAS_2_5V:
1881                 case DA7213_MICBIAS_3_0V:
1882                         micbias_lvl |= (pdata->micbias2_lvl <<
1883                                          DA7213_MICBIAS2_LEVEL_SHIFT);
1884                         break;
1885                 }
1886                 snd_soc_component_update_bits(component, DA7213_MICBIAS_CTRL,
1887                                     DA7213_MICBIAS1_LEVEL_MASK |
1888                                     DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1889
1890                 /* Set DMIC configuration */
1891                 switch (pdata->dmic_data_sel) {
1892                 case DA7213_DMIC_DATA_LFALL_RRISE:
1893                 case DA7213_DMIC_DATA_LRISE_RFALL:
1894                         dmic_cfg |= (pdata->dmic_data_sel <<
1895                                      DA7213_DMIC_DATA_SEL_SHIFT);
1896                         break;
1897                 }
1898                 switch (pdata->dmic_samplephase) {
1899                 case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1900                 case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1901                         dmic_cfg |= (pdata->dmic_samplephase <<
1902                                      DA7213_DMIC_SAMPLEPHASE_SHIFT);
1903                         break;
1904                 }
1905                 switch (pdata->dmic_clk_rate) {
1906                 case DA7213_DMIC_CLK_3_0MHZ:
1907                 case DA7213_DMIC_CLK_1_5MHZ:
1908                         dmic_cfg |= (pdata->dmic_clk_rate <<
1909                                      DA7213_DMIC_CLK_RATE_SHIFT);
1910                         break;
1911                 }
1912                 snd_soc_component_update_bits(component, DA7213_MIC_CONFIG,
1913                                     DA7213_DMIC_DATA_SEL_MASK |
1914                                     DA7213_DMIC_SAMPLEPHASE_MASK |
1915                                     DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1916         }
1917
1918         pm_runtime_put_sync(component->dev);
1919
1920         /* Check if MCLK provided */
1921         da7213->mclk = devm_clk_get(component->dev, "mclk");
1922         if (IS_ERR(da7213->mclk)) {
1923                 if (PTR_ERR(da7213->mclk) != -ENOENT)
1924                         return PTR_ERR(da7213->mclk);
1925                 else
1926                         da7213->mclk = NULL;
1927         } else {
1928                 /* Do automatic PLL handling assuming fixed clock until
1929                  * set_pll() has been called. This makes the codec usable
1930                  * with the simple-audio-card driver. */
1931                 da7213->fixed_clk_auto_pll = true;
1932         }
1933
1934         return 0;
1935 }
1936
1937 static const struct snd_soc_component_driver soc_component_dev_da7213 = {
1938         .probe                  = da7213_probe,
1939         .set_bias_level         = da7213_set_bias_level,
1940         .controls               = da7213_snd_controls,
1941         .num_controls           = ARRAY_SIZE(da7213_snd_controls),
1942         .dapm_widgets           = da7213_dapm_widgets,
1943         .num_dapm_widgets       = ARRAY_SIZE(da7213_dapm_widgets),
1944         .dapm_routes            = da7213_audio_map,
1945         .num_dapm_routes        = ARRAY_SIZE(da7213_audio_map),
1946         .set_sysclk             = da7213_set_component_sysclk,
1947         .set_pll                = da7213_set_component_pll,
1948         .idle_bias_on           = 1,
1949         .use_pmdown_time        = 1,
1950         .endianness             = 1,
1951 };
1952
1953 static const struct regmap_config da7213_regmap_config = {
1954         .reg_bits = 8,
1955         .val_bits = 8,
1956
1957         .reg_defaults = da7213_reg_defaults,
1958         .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1959         .volatile_reg = da7213_volatile_register,
1960         .cache_type = REGCACHE_RBTREE,
1961 };
1962
1963 static void da7213_power_off(void *data)
1964 {
1965         struct da7213_priv *da7213 = data;
1966         regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
1967 }
1968
1969 static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = {
1970         [DA7213_SUPPLY_VDDA] = "VDDA",
1971         [DA7213_SUPPLY_VDDIO] = "VDDIO",
1972 };
1973
1974 static int da7213_i2c_probe(struct i2c_client *i2c)
1975 {
1976         struct da7213_priv *da7213;
1977         int i, ret;
1978
1979         da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
1980         if (!da7213)
1981                 return -ENOMEM;
1982
1983         i2c_set_clientdata(i2c, da7213);
1984
1985         /* Get required supplies */
1986         for (i = 0; i < DA7213_NUM_SUPPLIES; ++i)
1987                 da7213->supplies[i].supply = da7213_supply_names[i];
1988
1989         ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES,
1990                                       da7213->supplies);
1991         if (ret) {
1992                 dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret);
1993                 return ret;
1994         }
1995
1996         ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
1997         if (ret < 0)
1998                 return ret;
1999
2000         ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213);
2001         if (ret < 0)
2002                 return ret;
2003
2004         da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
2005         if (IS_ERR(da7213->regmap)) {
2006                 ret = PTR_ERR(da7213->regmap);
2007                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2008                 return ret;
2009         }
2010
2011         pm_runtime_set_autosuspend_delay(&i2c->dev, 100);
2012         pm_runtime_use_autosuspend(&i2c->dev);
2013         pm_runtime_set_active(&i2c->dev);
2014         pm_runtime_enable(&i2c->dev);
2015
2016         ret = devm_snd_soc_register_component(&i2c->dev,
2017                         &soc_component_dev_da7213, &da7213_dai, 1);
2018         if (ret < 0) {
2019                 dev_err(&i2c->dev, "Failed to register da7213 component: %d\n",
2020                         ret);
2021         }
2022         return ret;
2023 }
2024
2025 static void da7213_i2c_remove(struct i2c_client *i2c)
2026 {
2027         pm_runtime_disable(&i2c->dev);
2028 }
2029
2030 static int __maybe_unused da7213_runtime_suspend(struct device *dev)
2031 {
2032         struct da7213_priv *da7213 = dev_get_drvdata(dev);
2033
2034         regcache_cache_only(da7213->regmap, true);
2035         regcache_mark_dirty(da7213->regmap);
2036         regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
2037
2038         return 0;
2039 }
2040
2041 static int __maybe_unused da7213_runtime_resume(struct device *dev)
2042 {
2043         struct da7213_priv *da7213 = dev_get_drvdata(dev);
2044         int ret;
2045
2046         ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
2047         if (ret < 0)
2048                 return ret;
2049         regcache_cache_only(da7213->regmap, false);
2050         regcache_sync(da7213->regmap);
2051         return 0;
2052 }
2053
2054 static const struct dev_pm_ops da7213_pm = {
2055         SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL)
2056 };
2057
2058 static const struct i2c_device_id da7213_i2c_id[] = {
2059         { "da7213", 0 },
2060         { }
2061 };
2062 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
2063
2064 /* I2C codec control layer */
2065 static struct i2c_driver da7213_i2c_driver = {
2066         .driver = {
2067                 .name = "da7213",
2068                 .of_match_table = of_match_ptr(da7213_of_match),
2069                 .acpi_match_table = ACPI_PTR(da7213_acpi_match),
2070                 .pm = &da7213_pm,
2071         },
2072         .probe_new      = da7213_i2c_probe,
2073         .remove         = da7213_i2c_remove,
2074         .id_table       = da7213_i2c_id,
2075 };
2076
2077 module_i2c_driver(da7213_i2c_driver);
2078
2079 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
2080 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2081 MODULE_LICENSE("GPL");