sound/soc/codecs/rt298.c

   1 /*
   2  * rt298.c  --  RT298 ALSA SoC audio codec driver
   3  *
   4  * Copyright 2015 Realtek Semiconductor Corp.
   5  * Author: Bard Liao <bardliao@realtek.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/module.h>
  13 #include <linux/moduleparam.h>
  14 #include <linux/init.h>
  15 #include <linux/delay.h>
  16 #include <linux/pm.h>
  17 #include <linux/i2c.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/spi/spi.h>
  20 #include <linux/acpi.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/pcm_params.h>
  24 #include <sound/soc.h>
  25 #include <sound/soc-dapm.h>
  26 #include <sound/initval.h>
  27 #include <sound/tlv.h>
  28 #include <sound/jack.h>
  29 #include <linux/workqueue.h>
  30 #include <sound/rt298.h>
  31
  32 #include "rl6347a.h"
  33 #include "rt298.h"
  34
  35 #define RT298_VENDOR_ID 0x10ec0298
  36
  37 struct rt298_priv {
  38         struct reg_default *index_cache;
  39         int index_cache_size;
  40         struct regmap *regmap;
  41         struct snd_soc_codec *codec;
  42         struct rt298_platform_data pdata;
  43         struct i2c_client *i2c;
  44         struct snd_soc_jack *jack;
  45         struct delayed_work jack_detect_work;
  46         int sys_clk;
  47         int clk_id;
  48         int is_hp_in;
  49 };
  50
  51 static const struct reg_default rt298_index_def[] = {
  52         { 0x01, 0xa5a8 },
  53         { 0x02, 0x8e95 },
  54         { 0x03, 0x0002 },
  55         { 0x04, 0xaf67 },
  56         { 0x08, 0x200f },
  57         { 0x09, 0xd010 },
  58         { 0x0a, 0x0100 },
  59         { 0x0b, 0x0000 },
  60         { 0x0d, 0x2800 },
  61         { 0x0f, 0x0022 },
  62         { 0x19, 0x0217 },
  63         { 0x20, 0x0020 },
  64         { 0x33, 0x0208 },
  65         { 0x46, 0x0300 },
  66         { 0x49, 0x4004 },
  67         { 0x4f, 0x50c9 },
  68         { 0x50, 0x3000 },
  69         { 0x63, 0x1b02 },
  70         { 0x67, 0x1111 },
  71         { 0x68, 0x1016 },
  72         { 0x69, 0x273f },
  73 };
  74 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
  75
  76 static const struct reg_default rt298_reg[] = {
  77         { 0x00170500, 0x00000400 },
  78         { 0x00220000, 0x00000031 },
  79         { 0x00239000, 0x0000007f },
  80         { 0x0023a000, 0x0000007f },
  81         { 0x00270500, 0x00000400 },
  82         { 0x00370500, 0x00000400 },
  83         { 0x00870500, 0x00000400 },
  84         { 0x00920000, 0x00000031 },
  85         { 0x00935000, 0x000000c3 },
  86         { 0x00936000, 0x000000c3 },
  87         { 0x00970500, 0x00000400 },
  88         { 0x00b37000, 0x00000097 },
  89         { 0x00b37200, 0x00000097 },
  90         { 0x00b37300, 0x00000097 },
  91         { 0x00c37000, 0x00000000 },
  92         { 0x00c37100, 0x00000080 },
  93         { 0x01270500, 0x00000400 },
  94         { 0x01370500, 0x00000400 },
  95         { 0x01371f00, 0x411111f0 },
  96         { 0x01439000, 0x00000080 },
  97         { 0x0143a000, 0x00000080 },
  98         { 0x01470700, 0x00000000 },
  99         { 0x01470500, 0x00000400 },
 100         { 0x01470c00, 0x00000000 },
 101         { 0x01470100, 0x00000000 },
 102         { 0x01837000, 0x00000000 },
 103         { 0x01870500, 0x00000400 },
 104         { 0x02050000, 0x00000000 },
 105         { 0x02139000, 0x00000080 },
 106         { 0x0213a000, 0x00000080 },
 107         { 0x02170100, 0x00000000 },
 108         { 0x02170500, 0x00000400 },
 109         { 0x02170700, 0x00000000 },
 110         { 0x02270100, 0x00000000 },
 111         { 0x02370100, 0x00000000 },
 112         { 0x01870700, 0x00000020 },
 113         { 0x00830000, 0x000000c3 },
 114         { 0x00930000, 0x000000c3 },
 115         { 0x01270700, 0x00000000 },
 116 };
 117
 118 static bool rt298_volatile_register(struct device *dev, unsigned int reg)
 119 {
 120         switch (reg) {
 121         case 0 ... 0xff:
 122         case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 123         case RT298_GET_HP_SENSE:
 124         case RT298_GET_MIC1_SENSE:
 125         case RT298_PROC_COEF:
 126         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 127         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 128         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 129                 return true;
 130         default:
 131                 return false;
 132         }
 133
 134
 135 }
 136
 137 static bool rt298_readable_register(struct device *dev, unsigned int reg)
 138 {
 139         switch (reg) {
 140         case 0 ... 0xff:
 141         case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 142         case RT298_GET_HP_SENSE:
 143         case RT298_GET_MIC1_SENSE:
 144         case RT298_SET_AUDIO_POWER:
 145         case RT298_SET_HPO_POWER:
 146         case RT298_SET_SPK_POWER:
 147         case RT298_SET_DMIC1_POWER:
 148         case RT298_SPK_MUX:
 149         case RT298_HPO_MUX:
 150         case RT298_ADC0_MUX:
 151         case RT298_ADC1_MUX:
 152         case RT298_SET_MIC1:
 153         case RT298_SET_PIN_HPO:
 154         case RT298_SET_PIN_SPK:
 155         case RT298_SET_PIN_DMIC1:
 156         case RT298_SPK_EAPD:
 157         case RT298_SET_AMP_GAIN_HPO:
 158         case RT298_SET_DMIC2_DEFAULT:
 159         case RT298_DACL_GAIN:
 160         case RT298_DACR_GAIN:
 161         case RT298_ADCL_GAIN:
 162         case RT298_ADCR_GAIN:
 163         case RT298_MIC_GAIN:
 164         case RT298_SPOL_GAIN:
 165         case RT298_SPOR_GAIN:
 166         case RT298_HPOL_GAIN:
 167         case RT298_HPOR_GAIN:
 168         case RT298_F_DAC_SWITCH:
 169         case RT298_F_RECMIX_SWITCH:
 170         case RT298_REC_MIC_SWITCH:
 171         case RT298_REC_I2S_SWITCH:
 172         case RT298_REC_LINE_SWITCH:
 173         case RT298_REC_BEEP_SWITCH:
 174         case RT298_DAC_FORMAT:
 175         case RT298_ADC_FORMAT:
 176         case RT298_COEF_INDEX:
 177         case RT298_PROC_COEF:
 178         case RT298_SET_AMP_GAIN_ADC_IN1:
 179         case RT298_SET_AMP_GAIN_ADC_IN2:
 180         case RT298_SET_POWER(RT298_DAC_OUT1):
 181         case RT298_SET_POWER(RT298_DAC_OUT2):
 182         case RT298_SET_POWER(RT298_ADC_IN1):
 183         case RT298_SET_POWER(RT298_ADC_IN2):
 184         case RT298_SET_POWER(RT298_DMIC2):
 185         case RT298_SET_POWER(RT298_MIC1):
 186         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
 187         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
 188         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
 189                 return true;
 190         default:
 191                 return false;
 192         }
 193 }
 194
 195 #ifdef CONFIG_PM
 196 static void rt298_index_sync(struct snd_soc_codec *codec)
 197 {
 198         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 199         int i;
 200
 201         for (i = 0; i < INDEX_CACHE_SIZE; i++) {
 202                 snd_soc_write(codec, rt298->index_cache[i].reg,
 203                                   rt298->index_cache[i].def);
 204         }
 205 }
 206 #endif
 207
 208 static int rt298_support_power_controls[] = {
 209         RT298_DAC_OUT1,
 210         RT298_DAC_OUT2,
 211         RT298_ADC_IN1,
 212         RT298_ADC_IN2,
 213         RT298_MIC1,
 214         RT298_DMIC1,
 215         RT298_DMIC2,
 216         RT298_SPK_OUT,
 217         RT298_HP_OUT,
 218 };
 219 #define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
 220
 221 static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
 222 {
 223         struct snd_soc_dapm_context *dapm;
 224         unsigned int val, buf;
 225
 226         *hp = false;
 227         *mic = false;
 228
 229         if (!rt298->codec)
 230                 return -EINVAL;
 231
 232         dapm = snd_soc_codec_get_dapm(rt298->codec);
 233
 234         if (rt298->pdata.cbj_en) {
 235                 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 236                 *hp = buf & 0x80000000;
 237                 if (*hp == rt298->is_hp_in)
 238                         return -1;
 239                 rt298->is_hp_in = *hp;
 240                 if (*hp) {
 241                         /* power on HV,VERF */
 242                         regmap_update_bits(rt298->regmap,
 243                                 RT298_DC_GAIN, 0x200, 0x200);
 244
 245                         snd_soc_dapm_force_enable_pin(dapm, "HV");
 246                         snd_soc_dapm_force_enable_pin(dapm, "VREF");
 247                         /* power LDO1 */
 248                         snd_soc_dapm_force_enable_pin(dapm, "LDO1");
 249                         snd_soc_dapm_sync(dapm);
 250
 251                         regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
 252                         msleep(50);
 253
 254                         regmap_update_bits(rt298->regmap,
 255                                 RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
 256                         msleep(300);
 257                         regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
 258
 259                         if (0x0070 == (val & 0x0070)) {
 260                                 *mic = true;
 261                         } else {
 262                                 regmap_update_bits(rt298->regmap,
 263                                         RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
 264                                 msleep(300);
 265                                 regmap_read(rt298->regmap,
 266                                         RT298_CBJ_CTRL2, &val);
 267                                 if (0x0070 == (val & 0x0070))
 268                                         *mic = true;
 269                                 else
 270                                         *mic = false;
 271                         }
 272                         regmap_update_bits(rt298->regmap,
 273                                 RT298_DC_GAIN, 0x200, 0x0);
 274
 275                 } else {
 276                         *mic = false;
 277                         regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
 278                 }
 279         } else {
 280                 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
 281                 *hp = buf & 0x80000000;
 282                 regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
 283                 *mic = buf & 0x80000000;
 284         }
 285
 286         snd_soc_dapm_disable_pin(dapm, "HV");
 287         snd_soc_dapm_disable_pin(dapm, "VREF");
 288         if (!*hp)
 289                 snd_soc_dapm_disable_pin(dapm, "LDO1");
 290         snd_soc_dapm_sync(dapm);
 291
 292         pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
 293
 294         return 0;
 295 }
 296
 297 static void rt298_jack_detect_work(struct work_struct *work)
 298 {
 299         struct rt298_priv *rt298 =
 300                 container_of(work, struct rt298_priv, jack_detect_work.work);
 301         int status = 0;
 302         bool hp = false;
 303         bool mic = false;
 304
 305         if (rt298_jack_detect(rt298, &hp, &mic) < 0)
 306                 return;
 307
 308         if (hp == true)
 309                 status |= SND_JACK_HEADPHONE;
 310
 311         if (mic == true)
 312                 status |= SND_JACK_MICROPHONE;
 313
 314         snd_soc_jack_report(rt298->jack, status,
 315                 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 316 }
 317
 318 int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
 319 {
 320         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 321
 322         rt298->jack = jack;
 323
 324         /* Send an initial empty report */
 325         snd_soc_jack_report(rt298->jack, 0,
 326                 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 327
 328         return 0;
 329 }
 330 EXPORT_SYMBOL_GPL(rt298_mic_detect);
 331
 332 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
 333                          struct snd_soc_dapm_widget *sink)
 334 {
 335         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 336         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 337
 338         if (rt298->clk_id == RT298_SCLK_S_MCLK)
 339                 return 1;
 340         else
 341                 return 0;
 342 }
 343
 344 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
 345 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 346
 347 static const struct snd_kcontrol_new rt298_snd_controls[] = {
 348         SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
 349                             RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 350         SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
 351                             RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 352         SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
 353                             0, 0x3, 0, mic_vol_tlv),
 354         SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
 355                             RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
 356 };
 357
 358 /* Digital Mixer */
 359 static const struct snd_kcontrol_new rt298_front_mix[] = {
 360         SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
 361                         RT298_MUTE_SFT, 1, 1),
 362         SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
 363                         RT298_MUTE_SFT, 1, 1),
 364 };
 365
 366 /* Analog Input Mixer */
 367 static const struct snd_kcontrol_new rt298_rec_mix[] = {
 368         SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
 369                         RT298_MUTE_SFT, 1, 1),
 370         SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
 371                         RT298_MUTE_SFT, 1, 1),
 372         SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
 373                         RT298_MUTE_SFT, 1, 1),
 374         SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
 375                         RT298_MUTE_SFT, 1, 1),
 376 };
 377
 378 static const struct snd_kcontrol_new spo_enable_control =
 379         SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
 380                         RT298_SET_PIN_SFT, 1, 0);
 381
 382 static const struct snd_kcontrol_new hpol_enable_control =
 383         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
 384                         RT298_MUTE_SFT, 1, 1);
 385
 386 static const struct snd_kcontrol_new hpor_enable_control =
 387         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
 388                         RT298_MUTE_SFT, 1, 1);
 389
 390 /* ADC0 source */
 391 static const char * const rt298_adc_src[] = {
 392         "Mic", "RECMIX", "Dmic"
 393 };
 394
 395 static const int rt298_adc_values[] = {
 396         0, 4, 5,
 397 };
 398
 399 static SOC_VALUE_ENUM_SINGLE_DECL(
 400         rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
 401         RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 402
 403 static const struct snd_kcontrol_new rt298_adc0_mux =
 404         SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
 405
 406 static SOC_VALUE_ENUM_SINGLE_DECL(
 407         rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
 408         RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
 409
 410 static const struct snd_kcontrol_new rt298_adc1_mux =
 411         SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
 412
 413 static const char * const rt298_dac_src[] = {
 414         "Front", "Surround"
 415 };
 416 /* HP-OUT source */
 417 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
 418                                 0, rt298_dac_src);
 419
 420 static const struct snd_kcontrol_new rt298_hpo_mux =
 421 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
 422
 423 /* SPK-OUT source */
 424 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
 425                                 0, rt298_dac_src);
 426
 427 static const struct snd_kcontrol_new rt298_spo_mux =
 428 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
 429
 430 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
 431                             struct snd_kcontrol *kcontrol, int event)
 432 {
 433         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 434
 435         switch (event) {
 436         case SND_SOC_DAPM_POST_PMU:
 437                 snd_soc_write(codec,
 438                         RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
 439                 break;
 440         case SND_SOC_DAPM_PRE_PMD:
 441                 snd_soc_write(codec,
 442                         RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
 443                 break;
 444
 445         default:
 446                 return 0;
 447         }
 448
 449         return 0;
 450 }
 451
 452 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
 453                                   struct snd_kcontrol *kcontrol, int event)
 454 {
 455         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 456
 457         switch (event) {
 458         case SND_SOC_DAPM_POST_PMU:
 459                 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
 460                 break;
 461         case SND_SOC_DAPM_PRE_PMD:
 462                 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
 463                 break;
 464         default:
 465                 return 0;
 466         }
 467
 468         return 0;
 469 }
 470
 471 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
 472                              struct snd_kcontrol *kcontrol, int event)
 473 {
 474         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 475         unsigned int nid;
 476
 477         nid = (w->reg >> 20) & 0xff;
 478
 479         switch (event) {
 480         case SND_SOC_DAPM_POST_PMU:
 481                 snd_soc_update_bits(codec,
 482                         VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 483                         0x7080, 0x7000);
 484                 break;
 485         case SND_SOC_DAPM_PRE_PMD:
 486                 snd_soc_update_bits(codec,
 487                         VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
 488                         0x7080, 0x7080);
 489                 break;
 490         default:
 491                 return 0;
 492         }
 493
 494         return 0;
 495 }
 496
 497 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
 498                              struct snd_kcontrol *kcontrol, int event)
 499 {
 500         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 501
 502         switch (event) {
 503         case SND_SOC_DAPM_PRE_PMU:
 504                 snd_soc_update_bits(codec,
 505                         RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
 506                 snd_soc_update_bits(codec,
 507                         RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
 508                 break;
 509         case SND_SOC_DAPM_POST_PMD:
 510                 snd_soc_update_bits(codec,
 511                         RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
 512                 snd_soc_update_bits(codec,
 513                         RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
 514                 break;
 515         default:
 516                 return 0;
 517         }
 518
 519         return 0;
 520 }
 521
 522 static int rt298_vref_event(struct snd_soc_dapm_widget *w,
 523                              struct snd_kcontrol *kcontrol, int event)
 524 {
 525         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 526
 527         switch (event) {
 528         case SND_SOC_DAPM_PRE_PMU:
 529                 snd_soc_update_bits(codec,
 530                         RT298_CBJ_CTRL1, 0x0400, 0x0000);
 531                 mdelay(50);
 532                 break;
 533         default:
 534                 return 0;
 535         }
 536
 537         return 0;
 538 }
 539
 540 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
 541
 542         SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
 543                 12, 1, NULL, 0),
 544         SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
 545                 0, 1, rt298_vref_event, SND_SOC_DAPM_PRE_PMU),
 546         SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
 547                 1, 0, NULL, 0),
 548         SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
 549                 2, 0, NULL, 0),
 550         SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
 551                 3, 0, NULL, 0),
 552         SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
 553                 4, 1, NULL, 0),
 554         SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
 555                 13, 1, NULL, 0),
 556
 557
 558         SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
 559                 5, 0, NULL, 0),
 560         SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
 561                 0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
 562                 SND_SOC_DAPM_POST_PMD),
 563
 564         /* Input Lines */
 565         SND_SOC_DAPM_INPUT("DMIC1 Pin"),
 566         SND_SOC_DAPM_INPUT("DMIC2 Pin"),
 567         SND_SOC_DAPM_INPUT("MIC1"),
 568         SND_SOC_DAPM_INPUT("LINE1"),
 569         SND_SOC_DAPM_INPUT("Beep"),
 570
 571         /* DMIC */
 572         SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
 573                 NULL, 0, rt298_set_dmic1_event,
 574                 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 575         SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
 576                 NULL, 0),
 577         SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
 578                 0, 0, NULL, 0),
 579
 580         /* REC Mixer */
 581         SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
 582                 rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
 583
 584         /* ADCs */
 585         SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
 586         SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
 587
 588         /* ADC Mux */
 589         SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
 590                 &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 591                 SND_SOC_DAPM_POST_PMU),
 592         SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
 593                 &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
 594                 SND_SOC_DAPM_POST_PMU),
 595
 596         /* Audio Interface */
 597         SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 598         SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 599         SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
 600         SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
 601
 602         /* Output Side */
 603         /* DACs */
 604         SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
 605         SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
 606
 607         /* Output Mux */
 608         SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
 609         SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
 610
 611         SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
 612                 RT298_SET_PIN_SFT, 0, NULL, 0),
 613
 614         /* Output Mixer */
 615         SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
 616                         rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
 617         SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
 618                         NULL, 0),
 619
 620         /* Output Pga */
 621         SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
 622                 &spo_enable_control, rt298_spk_event,
 623                 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 624         SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
 625                 &hpol_enable_control),
 626         SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
 627                 &hpor_enable_control),
 628
 629         /* Output Lines */
 630         SND_SOC_DAPM_OUTPUT("SPOL"),
 631         SND_SOC_DAPM_OUTPUT("SPOR"),
 632         SND_SOC_DAPM_OUTPUT("HPO Pin"),
 633         SND_SOC_DAPM_OUTPUT("SPDIF"),
 634 };
 635
 636 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
 637
 638         {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
 639         {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
 640         {"Front", NULL, "MCLK MODE", is_mclk_mode},
 641         {"Surround", NULL, "MCLK MODE", is_mclk_mode},
 642
 643         {"HP Power", NULL, "LDO1"},
 644         {"HP Power", NULL, "LDO2"},
 645         {"HP Power", NULL, "LV"},
 646         {"HP Power", NULL, "VREF1"},
 647         {"HP Power", NULL, "BG_MBIAS"},
 648
 649         {"MIC1", NULL, "LDO1"},
 650         {"MIC1", NULL, "LDO2"},
 651         {"MIC1", NULL, "HV"},
 652         {"MIC1", NULL, "LV"},
 653         {"MIC1", NULL, "VREF"},
 654         {"MIC1", NULL, "VREF1"},
 655         {"MIC1", NULL, "BG_MBIAS"},
 656         {"MIC1", NULL, "MIC1 Input Buffer"},
 657
 658         {"SPO", NULL, "LDO1"},
 659         {"SPO", NULL, "LDO2"},
 660         {"SPO", NULL, "HV"},
 661         {"SPO", NULL, "LV"},
 662         {"SPO", NULL, "VREF"},
 663         {"SPO", NULL, "VREF1"},
 664         {"SPO", NULL, "BG_MBIAS"},
 665
 666         {"DMIC1", NULL, "DMIC1 Pin"},
 667         {"DMIC2", NULL, "DMIC2 Pin"},
 668         {"DMIC1", NULL, "DMIC Receiver"},
 669         {"DMIC2", NULL, "DMIC Receiver"},
 670
 671         {"RECMIX", "Beep Switch", "Beep"},
 672         {"RECMIX", "Line1 Switch", "LINE1"},
 673         {"RECMIX", "Mic1 Switch", "MIC1"},
 674
 675         {"ADC 0 Mux", "Dmic", "DMIC1"},
 676         {"ADC 0 Mux", "RECMIX", "RECMIX"},
 677         {"ADC 0 Mux", "Mic", "MIC1"},
 678         {"ADC 1 Mux", "Dmic", "DMIC2"},
 679         {"ADC 1 Mux", "RECMIX", "RECMIX"},
 680         {"ADC 1 Mux", "Mic", "MIC1"},
 681
 682         {"ADC 0", NULL, "ADC 0 Mux"},
 683         {"ADC 1", NULL, "ADC 1 Mux"},
 684
 685         {"AIF1TX", NULL, "ADC 0"},
 686         {"AIF2TX", NULL, "ADC 1"},
 687
 688         {"DAC 0", NULL, "AIF1RX"},
 689         {"DAC 1", NULL, "AIF2RX"},
 690
 691         {"Front", "DAC Switch", "DAC 0"},
 692         {"Front", "RECMIX Switch", "RECMIX"},
 693
 694         {"Surround", NULL, "DAC 1"},
 695
 696         {"SPK Mux", "Front", "Front"},
 697         {"SPK Mux", "Surround", "Surround"},
 698
 699         {"HPO Mux", "Front", "Front"},
 700         {"HPO Mux", "Surround", "Surround"},
 701
 702         {"SPO", "Switch", "SPK Mux"},
 703         {"HPO L", "Switch", "HPO Mux"},
 704         {"HPO R", "Switch", "HPO Mux"},
 705         {"HPO L", NULL, "HP Power"},
 706         {"HPO R", NULL, "HP Power"},
 707
 708         {"SPOL", NULL, "SPO"},
 709         {"SPOR", NULL, "SPO"},
 710         {"HPO Pin", NULL, "HPO L"},
 711         {"HPO Pin", NULL, "HPO R"},
 712 };
 713
 714 static int rt298_hw_params(struct snd_pcm_substream *substream,
 715                             struct snd_pcm_hw_params *params,
 716                             struct snd_soc_dai *dai)
 717 {
 718         struct snd_soc_codec *codec = dai->codec;
 719         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 720         unsigned int val = 0;
 721         int d_len_code;
 722
 723         switch (params_rate(params)) {
 724         /* bit 14 0:48K 1:44.1K */
 725         case 44100:
 726         case 48000:
 727                 break;
 728         default:
 729                 dev_err(codec->dev, "Unsupported sample rate %d\n",
 730                                         params_rate(params));
 731                 return -EINVAL;
 732         }
 733         switch (rt298->sys_clk) {
 734         case 12288000:
 735         case 24576000:
 736                 if (params_rate(params) != 48000) {
 737                         dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 738                                         params_rate(params), rt298->sys_clk);
 739                         return -EINVAL;
 740                 }
 741                 break;
 742         case 11289600:
 743         case 22579200:
 744                 if (params_rate(params) != 44100) {
 745                         dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 746                                         params_rate(params), rt298->sys_clk);
 747                         return -EINVAL;
 748                 }
 749                 break;
 750         }
 751
 752         if (params_channels(params) <= 16) {
 753                 /* bit 3:0 Number of Channel */
 754                 val |= (params_channels(params) - 1);
 755         } else {
 756                 dev_err(codec->dev, "Unsupported channels %d\n",
 757                                         params_channels(params));
 758                 return -EINVAL;
 759         }
 760
 761         d_len_code = 0;
 762         switch (params_width(params)) {
 763         /* bit 6:4 Bits per Sample */
 764         case 16:
 765                 d_len_code = 0;
 766                 val |= (0x1 << 4);
 767                 break;
 768         case 32:
 769                 d_len_code = 2;
 770                 val |= (0x4 << 4);
 771                 break;
 772         case 20:
 773                 d_len_code = 1;
 774                 val |= (0x2 << 4);
 775                 break;
 776         case 24:
 777                 d_len_code = 2;
 778                 val |= (0x3 << 4);
 779                 break;
 780         case 8:
 781                 d_len_code = 3;
 782                 break;
 783         default:
 784                 return -EINVAL;
 785         }
 786
 787         snd_soc_update_bits(codec,
 788                 RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
 789         dev_dbg(codec->dev, "format val = 0x%x\n", val);
 790
 791         snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
 792         snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
 793
 794         return 0;
 795 }
 796
 797 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 798 {
 799         struct snd_soc_codec *codec = dai->codec;
 800
 801         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 802         case SND_SOC_DAIFMT_CBM_CFM:
 803                 snd_soc_update_bits(codec,
 804                         RT298_I2S_CTRL1, 0x800, 0x800);
 805                 break;
 806         case SND_SOC_DAIFMT_CBS_CFS:
 807                 snd_soc_update_bits(codec,
 808                         RT298_I2S_CTRL1, 0x800, 0x0);
 809                 break;
 810         default:
 811                 return -EINVAL;
 812         }
 813
 814         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 815         case SND_SOC_DAIFMT_I2S:
 816                 snd_soc_update_bits(codec,
 817                         RT298_I2S_CTRL1, 0x300, 0x0);
 818                 break;
 819         case SND_SOC_DAIFMT_LEFT_J:
 820                 snd_soc_update_bits(codec,
 821                         RT298_I2S_CTRL1, 0x300, 0x1 << 8);
 822                 break;
 823         case SND_SOC_DAIFMT_DSP_A:
 824                 snd_soc_update_bits(codec,
 825                         RT298_I2S_CTRL1, 0x300, 0x2 << 8);
 826                 break;
 827         case SND_SOC_DAIFMT_DSP_B:
 828                 snd_soc_update_bits(codec,
 829                         RT298_I2S_CTRL1, 0x300, 0x3 << 8);
 830                 break;
 831         default:
 832                 return -EINVAL;
 833         }
 834         /* bit 15 Stream Type 0:PCM 1:Non-PCM */
 835         snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
 836         snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
 837
 838         return 0;
 839 }
 840
 841 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
 842                                 int clk_id, unsigned int freq, int dir)
 843 {
 844         struct snd_soc_codec *codec = dai->codec;
 845         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 846
 847         dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
 848
 849         if (RT298_SCLK_S_MCLK == clk_id) {
 850                 snd_soc_update_bits(codec,
 851                         RT298_I2S_CTRL2, 0x0100, 0x0);
 852                 snd_soc_update_bits(codec,
 853                         RT298_PLL_CTRL1, 0x20, 0x20);
 854         } else {
 855                 snd_soc_update_bits(codec,
 856                         RT298_I2S_CTRL2, 0x0100, 0x0100);
 857                 snd_soc_update_bits(codec,
 858                         RT298_PLL_CTRL1, 0x20, 0x0);
 859         }
 860
 861         switch (freq) {
 862         case 19200000:
 863                 if (RT298_SCLK_S_MCLK == clk_id) {
 864                         dev_err(codec->dev, "Should not use MCLK\n");
 865                         return -EINVAL;
 866                 }
 867                 snd_soc_update_bits(codec,
 868                         RT298_I2S_CTRL2, 0x40, 0x40);
 869                 break;
 870         case 24000000:
 871                 if (RT298_SCLK_S_MCLK == clk_id) {
 872                         dev_err(codec->dev, "Should not use MCLK\n");
 873                         return -EINVAL;
 874                 }
 875                 snd_soc_update_bits(codec,
 876                         RT298_I2S_CTRL2, 0x40, 0x0);
 877                 break;
 878         case 12288000:
 879         case 11289600:
 880                 snd_soc_update_bits(codec,
 881                         RT298_I2S_CTRL2, 0x8, 0x0);
 882                 snd_soc_update_bits(codec,
 883                         RT298_CLK_DIV, 0xfc1e, 0x0004);
 884                 break;
 885         case 24576000:
 886         case 22579200:
 887                 snd_soc_update_bits(codec,
 888                         RT298_I2S_CTRL2, 0x8, 0x8);
 889                 snd_soc_update_bits(codec,
 890                         RT298_CLK_DIV, 0xfc1e, 0x5406);
 891                 break;
 892         default:
 893                 dev_err(codec->dev, "Unsupported system clock\n");
 894                 return -EINVAL;
 895         }
 896
 897         rt298->sys_clk = freq;
 898         rt298->clk_id = clk_id;
 899
 900         return 0;
 901 }
 902
 903 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 904 {
 905         struct snd_soc_codec *codec = dai->codec;
 906
 907         dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
 908         if (50 == ratio)
 909                 snd_soc_update_bits(codec,
 910                         RT298_I2S_CTRL1, 0x1000, 0x1000);
 911         else
 912                 snd_soc_update_bits(codec,
 913                         RT298_I2S_CTRL1, 0x1000, 0x0);
 914
 915
 916         return 0;
 917 }
 918
 919 static int rt298_set_bias_level(struct snd_soc_codec *codec,
 920                                  enum snd_soc_bias_level level)
 921 {
 922         switch (level) {
 923         case SND_SOC_BIAS_PREPARE:
 924                 if (SND_SOC_BIAS_STANDBY ==
 925                         snd_soc_codec_get_bias_level(codec)) {
 926                         snd_soc_write(codec,
 927                                 RT298_SET_AUDIO_POWER, AC_PWRST_D0);
 928                         snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
 929                         snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
 930                         mdelay(20);
 931                         snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
 932                         snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
 933                 }
 934                 break;
 935
 936         case SND_SOC_BIAS_ON:
 937                 mdelay(30);
 938                 snd_soc_update_bits(codec,
 939                         RT298_CBJ_CTRL1, 0x0400, 0x0400);
 940
 941                 break;
 942
 943         case SND_SOC_BIAS_STANDBY:
 944                 snd_soc_write(codec,
 945                         RT298_SET_AUDIO_POWER, AC_PWRST_D3);
 946                 snd_soc_update_bits(codec,
 947                         RT298_CBJ_CTRL1, 0x0400, 0x0000);
 948                 break;
 949
 950         default:
 951                 break;
 952         }
 953
 954         return 0;
 955 }
 956
 957 static irqreturn_t rt298_irq(int irq, void *data)
 958 {
 959         struct rt298_priv *rt298 = data;
 960         bool hp = false;
 961         bool mic = false;
 962         int ret, status = 0;
 963
 964         ret = rt298_jack_detect(rt298, &hp, &mic);
 965
 966         /* Clear IRQ */
 967         regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
 968
 969         if (ret == 0) {
 970                 if (hp == true)
 971                         status |= SND_JACK_HEADPHONE;
 972
 973                 if (mic == true)
 974                         status |= SND_JACK_MICROPHONE;
 975
 976                 snd_soc_jack_report(rt298->jack, status,
 977                         SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 978
 979                 pm_wakeup_event(&rt298->i2c->dev, 300);
 980         }
 981
 982         return IRQ_HANDLED;
 983 }
 984
 985 static int rt298_probe(struct snd_soc_codec *codec)
 986 {
 987         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
 988
 989         rt298->codec = codec;
 990
 991         if (rt298->i2c->irq) {
 992                 regmap_update_bits(rt298->regmap,
 993                                         RT298_IRQ_CTRL, 0x2, 0x2);
 994
 995                 INIT_DELAYED_WORK(&rt298->jack_detect_work,
 996                                         rt298_jack_detect_work);
 997                 schedule_delayed_work(&rt298->jack_detect_work,
 998                                         msecs_to_jiffies(1250));
 999         }
1000
1001         return 0;
1002 }
1003
1004 static int rt298_remove(struct snd_soc_codec *codec)
1005 {
1006         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1007
1008         cancel_delayed_work_sync(&rt298->jack_detect_work);
1009
1010         return 0;
1011 }
1012
1013 #ifdef CONFIG_PM
1014 static int rt298_suspend(struct snd_soc_codec *codec)
1015 {
1016         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1017
1018         rt298->is_hp_in = -1;
1019         regcache_cache_only(rt298->regmap, true);
1020         regcache_mark_dirty(rt298->regmap);
1021
1022         return 0;
1023 }
1024
1025 static int rt298_resume(struct snd_soc_codec *codec)
1026 {
1027         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1028
1029         regcache_cache_only(rt298->regmap, false);
1030         rt298_index_sync(codec);
1031         regcache_sync(rt298->regmap);
1032
1033         return 0;
1034 }
1035 #else
1036 #define rt298_suspend NULL
1037 #define rt298_resume NULL
1038 #endif
1039
1040 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1041 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1042                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1043
1044 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1045         .hw_params = rt298_hw_params,
1046         .set_fmt = rt298_set_dai_fmt,
1047         .set_sysclk = rt298_set_dai_sysclk,
1048         .set_bclk_ratio = rt298_set_bclk_ratio,
1049 };
1050
1051 static struct snd_soc_dai_driver rt298_dai[] = {
1052         {
1053                 .name = "rt298-aif1",
1054                 .id = RT298_AIF1,
1055                 .playback = {
1056                         .stream_name = "AIF1 Playback",
1057                         .channels_min = 1,
1058                         .channels_max = 2,
1059                         .rates = RT298_STEREO_RATES,
1060                         .formats = RT298_FORMATS,
1061                 },
1062                 .capture = {
1063                         .stream_name = "AIF1 Capture",
1064                         .channels_min = 1,
1065                         .channels_max = 2,
1066                         .rates = RT298_STEREO_RATES,
1067                         .formats = RT298_FORMATS,
1068                 },
1069                 .ops = &rt298_aif_dai_ops,
1070                 .symmetric_rates = 1,
1071         },
1072         {
1073                 .name = "rt298-aif2",
1074                 .id = RT298_AIF2,
1075                 .playback = {
1076                         .stream_name = "AIF2 Playback",
1077                         .channels_min = 1,
1078                         .channels_max = 2,
1079                         .rates = RT298_STEREO_RATES,
1080                         .formats = RT298_FORMATS,
1081                 },
1082                 .capture = {
1083                         .stream_name = "AIF2 Capture",
1084                         .channels_min = 1,
1085                         .channels_max = 2,
1086                         .rates = RT298_STEREO_RATES,
1087                         .formats = RT298_FORMATS,
1088                 },
1089                 .ops = &rt298_aif_dai_ops,
1090                 .symmetric_rates = 1,
1091         },
1092
1093 };
1094
1095 static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1096         .probe = rt298_probe,
1097         .remove = rt298_remove,
1098         .suspend = rt298_suspend,
1099         .resume = rt298_resume,
1100         .set_bias_level = rt298_set_bias_level,
1101         .idle_bias_off = true,
1102         .controls = rt298_snd_controls,
1103         .num_controls = ARRAY_SIZE(rt298_snd_controls),
1104         .dapm_widgets = rt298_dapm_widgets,
1105         .num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
1106         .dapm_routes = rt298_dapm_routes,
1107         .num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
1108 };
1109
1110 static const struct regmap_config rt298_regmap = {
1111         .reg_bits = 32,
1112         .val_bits = 32,
1113         .max_register = 0x02370100,
1114         .volatile_reg = rt298_volatile_register,
1115         .readable_reg = rt298_readable_register,
1116         .reg_write = rl6347a_hw_write,
1117         .reg_read = rl6347a_hw_read,
1118         .cache_type = REGCACHE_RBTREE,
1119         .reg_defaults = rt298_reg,
1120         .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1121 };
1122
1123 static const struct i2c_device_id rt298_i2c_id[] = {
1124         {"rt298", 0},
1125         {}
1126 };
1127 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1128
1129 static const struct acpi_device_id rt298_acpi_match[] = {
1130         { "INT343A", 0 },
1131         {},
1132 };
1133 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1134
1135 static int rt298_i2c_probe(struct i2c_client *i2c,
1136                            const struct i2c_device_id *id)
1137 {
1138         struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1139         struct rt298_priv *rt298;
1140         struct device *dev = &i2c->dev;
1141         const struct acpi_device_id *acpiid;
1142         int i, ret;
1143
1144         rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1145                                 GFP_KERNEL);
1146         if (NULL == rt298)
1147                 return -ENOMEM;
1148
1149         rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1150         if (IS_ERR(rt298->regmap)) {
1151                 ret = PTR_ERR(rt298->regmap);
1152                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1153                         ret);
1154                 return ret;
1155         }
1156
1157         regmap_read(rt298->regmap,
1158                 RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1159         if (ret != RT298_VENDOR_ID) {
1160                 dev_err(&i2c->dev,
1161                         "Device with ID register %#x is not rt298\n", ret);
1162                 return -ENODEV;
1163         }
1164
1165         rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1166                                           sizeof(rt298_index_def), GFP_KERNEL);
1167         if (!rt298->index_cache)
1168                 return -ENOMEM;
1169
1170         rt298->index_cache_size = INDEX_CACHE_SIZE;
1171         rt298->i2c = i2c;
1172         i2c_set_clientdata(i2c, rt298);
1173
1174         /* restore codec default */
1175         for (i = 0; i < INDEX_CACHE_SIZE; i++)
1176                 regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1177                                 rt298->index_cache[i].def);
1178         for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1179                 regmap_write(rt298->regmap, rt298_reg[i].reg,
1180                                 rt298_reg[i].def);
1181
1182         if (pdata)
1183                 rt298->pdata = *pdata;
1184
1185         /* enable jack combo mode on supported devices */
1186         acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1187         if (acpiid) {
1188                 rt298->pdata = *(struct rt298_platform_data *)
1189                                 acpiid->driver_data;
1190         }
1191
1192         /* VREF Charging */
1193         regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1194         regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1195         /* Vref2 */
1196         regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1197
1198         regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1199
1200         for (i = 0; i < RT298_POWER_REG_LEN; i++)
1201                 regmap_write(rt298->regmap,
1202                         RT298_SET_POWER(rt298_support_power_controls[i]),
1203                         AC_PWRST_D1);
1204
1205         if (!rt298->pdata.cbj_en) {
1206                 regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1207                 regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1208                 regmap_update_bits(rt298->regmap,
1209                                         RT298_CBJ_CTRL1, 0xf000, 0xb000);
1210         } else {
1211                 regmap_update_bits(rt298->regmap,
1212                                         RT298_CBJ_CTRL1, 0xf000, 0x5000);
1213         }
1214
1215         mdelay(10);
1216
1217         if (!rt298->pdata.gpio2_en)
1218                 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1219         else
1220                 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1221
1222         mdelay(10);
1223
1224         regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1225         regmap_update_bits(rt298->regmap,
1226                                 RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1227         regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
1228         rt298->is_hp_in = -1;
1229
1230         if (rt298->i2c->irq) {
1231                 ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1232                         IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1233                 if (ret != 0) {
1234                         dev_err(&i2c->dev,
1235                                 "Failed to reguest IRQ: %d\n", ret);
1236                         return ret;
1237                 }
1238         }
1239
1240         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1241                                      rt298_dai, ARRAY_SIZE(rt298_dai));
1242
1243         return ret;
1244 }
1245
1246 static int rt298_i2c_remove(struct i2c_client *i2c)
1247 {
1248         struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1249
1250         if (i2c->irq)
1251                 free_irq(i2c->irq, rt298);
1252         snd_soc_unregister_codec(&i2c->dev);
1253
1254         return 0;
1255 }
1256
1257
1258 static struct i2c_driver rt298_i2c_driver = {
1259         .driver = {
1260                    .name = "rt298",
1261                    .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1262                    },
1263         .probe = rt298_i2c_probe,
1264         .remove = rt298_i2c_remove,
1265         .id_table = rt298_i2c_id,
1266 };
1267
1268 module_i2c_driver(rt298_i2c_driver);
1269
1270 MODULE_DESCRIPTION("ASoC RT298 driver");
1271 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1272 MODULE_LICENSE("GPL");