kernel/sound/soc/codecs/rt286.c

   1 /*
   2  * rt286.c  --  RT286 ALSA SoC audio codec driver
   3  *
   4  * Copyright 2013 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/dmi.h>
  21 #include <linux/acpi.h>
  22 #include <sound/core.h>
  23 #include <sound/pcm.h>
  24 #include <sound/pcm_params.h>
  25 #include <sound/soc.h>
  26 #include <sound/soc-dapm.h>
  27 #include <sound/initval.h>
  28 #include <sound/tlv.h>
  29 #include <sound/jack.h>
  30 #include <linux/workqueue.h>
  31 #include <sound/rt286.h>
  32 #include <sound/hda_verbs.h>
  33
  34 #include "rt286.h"
  35
  36 #define RT286_VENDOR_ID 0x10ec0286
  37 #define RT288_VENDOR_ID 0x10ec0288
  38
  39 struct rt286_priv {
  40         struct regmap *regmap;
  41         struct snd_soc_codec *codec;
  42         struct rt286_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         struct reg_default *index_cache;
  49 };
  50
  51 static struct reg_default rt286_index_def[] = {
  52         { 0x01, 0xaaaa },
  53         { 0x02, 0x8aaa },
  54         { 0x03, 0x0002 },
  55         { 0x04, 0xaf01 },
  56         { 0x08, 0x000d },
  57         { 0x09, 0xd810 },
  58         { 0x0a, 0x0120 },
  59         { 0x0b, 0x0000 },
  60         { 0x0d, 0x2800 },
  61         { 0x0f, 0x0000 },
  62         { 0x19, 0x0a17 },
  63         { 0x20, 0x0020 },
  64         { 0x33, 0x0208 },
  65         { 0x49, 0x0004 },
  66         { 0x4f, 0x50e9 },
  67         { 0x50, 0x2000 },
  68         { 0x63, 0x2902 },
  69         { 0x67, 0x1111 },
  70         { 0x68, 0x1016 },
  71         { 0x69, 0x273f },
  72 };
  73 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def)
  74
  75 static const struct reg_default rt286_reg[] = {
  76         { 0x00170500, 0x00000400 },
  77         { 0x00220000, 0x00000031 },
  78         { 0x00239000, 0x0000007f },
  79         { 0x0023a000, 0x0000007f },
  80         { 0x00270500, 0x00000400 },
  81         { 0x00370500, 0x00000400 },
  82         { 0x00870500, 0x00000400 },
  83         { 0x00920000, 0x00000031 },
  84         { 0x00935000, 0x000000c3 },
  85         { 0x00936000, 0x000000c3 },
  86         { 0x00970500, 0x00000400 },
  87         { 0x00b37000, 0x00000097 },
  88         { 0x00b37200, 0x00000097 },
  89         { 0x00b37300, 0x00000097 },
  90         { 0x00c37000, 0x00000000 },
  91         { 0x00c37100, 0x00000080 },
  92         { 0x01270500, 0x00000400 },
  93         { 0x01370500, 0x00000400 },
  94         { 0x01371f00, 0x411111f0 },
  95         { 0x01439000, 0x00000080 },
  96         { 0x0143a000, 0x00000080 },
  97         { 0x01470700, 0x00000000 },
  98         { 0x01470500, 0x00000400 },
  99         { 0x01470c00, 0x00000000 },
 100         { 0x01470100, 0x00000000 },
 101         { 0x01837000, 0x00000000 },
 102         { 0x01870500, 0x00000400 },
 103         { 0x02050000, 0x00000000 },
 104         { 0x02139000, 0x00000080 },
 105         { 0x0213a000, 0x00000080 },
 106         { 0x02170100, 0x00000000 },
 107         { 0x02170500, 0x00000400 },
 108         { 0x02170700, 0x00000000 },
 109         { 0x02270100, 0x00000000 },
 110         { 0x02370100, 0x00000000 },
 111         { 0x01870700, 0x00000020 },
 112         { 0x00830000, 0x000000c3 },
 113         { 0x00930000, 0x000000c3 },
 114         { 0x01270700, 0x00000000 },
 115 };
 116
 117 static bool rt286_volatile_register(struct device *dev, unsigned int reg)
 118 {
 119         switch (reg) {
 120         case 0 ... 0xff:
 121         case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 122         case RT286_GET_HP_SENSE:
 123         case RT286_GET_MIC1_SENSE:
 124         case RT286_PROC_COEF:
 125                 return true;
 126         default:
 127                 return false;
 128         }
 129
 130
 131 }
 132
 133 static bool rt286_readable_register(struct device *dev, unsigned int reg)
 134 {
 135         switch (reg) {
 136         case 0 ... 0xff:
 137         case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
 138         case RT286_GET_HP_SENSE:
 139         case RT286_GET_MIC1_SENSE:
 140         case RT286_SET_AUDIO_POWER:
 141         case RT286_SET_HPO_POWER:
 142         case RT286_SET_SPK_POWER:
 143         case RT286_SET_DMIC1_POWER:
 144         case RT286_SPK_MUX:
 145         case RT286_HPO_MUX:
 146         case RT286_ADC0_MUX:
 147         case RT286_ADC1_MUX:
 148         case RT286_SET_MIC1:
 149         case RT286_SET_PIN_HPO:
 150         case RT286_SET_PIN_SPK:
 151         case RT286_SET_PIN_DMIC1:
 152         case RT286_SPK_EAPD:
 153         case RT286_SET_AMP_GAIN_HPO:
 154         case RT286_SET_DMIC2_DEFAULT:
 155         case RT286_DACL_GAIN:
 156         case RT286_DACR_GAIN:
 157         case RT286_ADCL_GAIN:
 158         case RT286_ADCR_GAIN:
 159         case RT286_MIC_GAIN:
 160         case RT286_SPOL_GAIN:
 161         case RT286_SPOR_GAIN:
 162         case RT286_HPOL_GAIN:
 163         case RT286_HPOR_GAIN:
 164         case RT286_F_DAC_SWITCH:
 165         case RT286_F_RECMIX_SWITCH:
 166         case RT286_REC_MIC_SWITCH:
 167         case RT286_REC_I2S_SWITCH:
 168         case RT286_REC_LINE_SWITCH:
 169         case RT286_REC_BEEP_SWITCH:
 170         case RT286_DAC_FORMAT:
 171         case RT286_ADC_FORMAT:
 172         case RT286_COEF_INDEX:
 173         case RT286_PROC_COEF:
 174         case RT286_SET_AMP_GAIN_ADC_IN1:
 175         case RT286_SET_AMP_GAIN_ADC_IN2:
 176         case RT286_SET_POWER(RT286_DAC_OUT1):
 177         case RT286_SET_POWER(RT286_DAC_OUT2):
 178         case RT286_SET_POWER(RT286_ADC_IN1):
 179         case RT286_SET_POWER(RT286_ADC_IN2):
 180         case RT286_SET_POWER(RT286_DMIC2):
 181         case RT286_SET_POWER(RT286_MIC1):
 182                 return true;
 183         default:
 184                 return false;
 185         }
 186 }
 187
 188 static int rt286_hw_write(void *context, unsigned int reg, unsigned int value)
 189 {
 190         struct i2c_client *client = context;
 191         struct rt286_priv *rt286 = i2c_get_clientdata(client);
 192         u8 data[4];
 193         int ret, i;
 194
 195         /* handle index registers */
 196         if (reg <= 0xff) {
 197                 rt286_hw_write(client, RT286_COEF_INDEX, reg);
 198                 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
 199                         if (reg == rt286->index_cache[i].reg) {
 200                                 rt286->index_cache[i].def = value;
 201                                 break;
 202                         }
 203
 204                 }
 205                 reg = RT286_PROC_COEF;
 206         }
 207
 208         data[0] = (reg >> 24) & 0xff;
 209         data[1] = (reg >> 16) & 0xff;
 210         /*
 211          * 4 bit VID: reg should be 0
 212          * 12 bit VID: value should be 0
 213          * So we use an OR operator to handle it rather than use if condition.
 214          */
 215         data[2] = ((reg >> 8) & 0xff) | ((value >> 8) & 0xff);
 216         data[3] = value & 0xff;
 217
 218         ret = i2c_master_send(client, data, 4);
 219
 220         if (ret == 4)
 221                 return 0;
 222         else
 223                 pr_err("ret=%d\n", ret);
 224         if (ret < 0)
 225                 return ret;
 226         else
 227                 return -EIO;
 228 }
 229
 230 static int rt286_hw_read(void *context, unsigned int reg, unsigned int *value)
 231 {
 232         struct i2c_client *client = context;
 233         struct i2c_msg xfer[2];
 234         int ret;
 235         __be32 be_reg;
 236         unsigned int index, vid, buf = 0x0;
 237
 238         /* handle index registers */
 239         if (reg <= 0xff) {
 240                 rt286_hw_write(client, RT286_COEF_INDEX, reg);
 241                 reg = RT286_PROC_COEF;
 242         }
 243
 244         reg = reg | 0x80000;
 245         vid = (reg >> 8) & 0xfff;
 246
 247         if (AC_VERB_GET_AMP_GAIN_MUTE == (vid & 0xf00)) {
 248                 index = (reg >> 8) & 0xf;
 249                 reg = (reg & ~0xf0f) | index;
 250         }
 251         be_reg = cpu_to_be32(reg);
 252
 253         /* Write register */
 254         xfer[0].addr = client->addr;
 255         xfer[0].flags = 0;
 256         xfer[0].len = 4;
 257         xfer[0].buf = (u8 *)&be_reg;
 258
 259         /* Read data */
 260         xfer[1].addr = client->addr;
 261         xfer[1].flags = I2C_M_RD;
 262         xfer[1].len = 4;
 263         xfer[1].buf = (u8 *)&buf;
 264
 265         ret = i2c_transfer(client->adapter, xfer, 2);
 266         if (ret < 0)
 267                 return ret;
 268         else if (ret != 2)
 269                 return -EIO;
 270
 271         *value = be32_to_cpu(buf);
 272
 273         return 0;
 274 }
 275
 276 #ifdef CONFIG_PM
 277 static void rt286_index_sync(struct snd_soc_codec *codec)
 278 {
 279         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
 280         int i;
 281
 282         for (i = 0; i < INDEX_CACHE_SIZE; i++) {
 283                 snd_soc_write(codec, rt286->index_cache[i].reg,
 284                                   rt286->index_cache[i].def);
 285         }
 286 }
 287 #endif
 288
 289 static int rt286_support_power_controls[] = {
 290         RT286_DAC_OUT1,
 291         RT286_DAC_OUT2,
 292         RT286_ADC_IN1,
 293         RT286_ADC_IN2,
 294         RT286_MIC1,
 295         RT286_DMIC1,
 296         RT286_DMIC2,
 297         RT286_SPK_OUT,
 298         RT286_HP_OUT,
 299 };
 300 #define RT286_POWER_REG_LEN ARRAY_SIZE(rt286_support_power_controls)
 301
 302 static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
 303 {
 304         unsigned int val, buf;
 305
 306         *hp = false;
 307         *mic = false;
 308
 309         if (!rt286->codec)
 310                 return -EINVAL;
 311         if (rt286->pdata.cbj_en) {
 312                 regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
 313                 *hp = buf & 0x80000000;
 314                 if (*hp) {
 315                         /* power on HV,VERF */
 316                         regmap_update_bits(rt286->regmap,
 317                                 RT286_DC_GAIN, 0x200, 0x200);
 318
 319                         snd_soc_dapm_force_enable_pin(&rt286->codec->dapm,
 320                                                         "HV");
 321                         snd_soc_dapm_force_enable_pin(&rt286->codec->dapm,
 322                                                         "VREF");
 323                         /* power LDO1 */
 324                         snd_soc_dapm_force_enable_pin(&rt286->codec->dapm,
 325                                                         "LDO1");
 326                         snd_soc_dapm_sync(&rt286->codec->dapm);
 327
 328                         regmap_write(rt286->regmap, RT286_SET_MIC1, 0x24);
 329                         msleep(50);
 330
 331                         regmap_update_bits(rt286->regmap,
 332                                 RT286_CBJ_CTRL1, 0xfcc0, 0xd400);
 333                         msleep(300);
 334                         regmap_read(rt286->regmap, RT286_CBJ_CTRL2, &val);
 335
 336                         if (0x0070 == (val & 0x0070)) {
 337                                 *mic = true;
 338                         } else {
 339                                 regmap_update_bits(rt286->regmap,
 340                                         RT286_CBJ_CTRL1, 0xfcc0, 0xe400);
 341                                 msleep(300);
 342                                 regmap_read(rt286->regmap,
 343                                         RT286_CBJ_CTRL2, &val);
 344                                 if (0x0070 == (val & 0x0070))
 345                                         *mic = true;
 346                                 else
 347                                         *mic = false;
 348                         }
 349                         regmap_update_bits(rt286->regmap,
 350                                 RT286_DC_GAIN, 0x200, 0x0);
 351
 352                 } else {
 353                         *mic = false;
 354                         regmap_write(rt286->regmap, RT286_SET_MIC1, 0x20);
 355                 }
 356         } else {
 357                 regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
 358                 *hp = buf & 0x80000000;
 359                 regmap_read(rt286->regmap, RT286_GET_MIC1_SENSE, &buf);
 360                 *mic = buf & 0x80000000;
 361         }
 362
 363         snd_soc_dapm_disable_pin(&rt286->codec->dapm, "HV");
 364         snd_soc_dapm_disable_pin(&rt286->codec->dapm, "VREF");
 365         if (!*hp)
 366                 snd_soc_dapm_disable_pin(&rt286->codec->dapm, "LDO1");
 367         snd_soc_dapm_sync(&rt286->codec->dapm);
 368
 369         return 0;
 370 }
 371
 372 static void rt286_jack_detect_work(struct work_struct *work)
 373 {
 374         struct rt286_priv *rt286 =
 375                 container_of(work, struct rt286_priv, jack_detect_work.work);
 376         int status = 0;
 377         bool hp = false;
 378         bool mic = false;
 379
 380         rt286_jack_detect(rt286, &hp, &mic);
 381
 382         if (hp == true)
 383                 status |= SND_JACK_HEADPHONE;
 384
 385         if (mic == true)
 386                 status |= SND_JACK_MICROPHONE;
 387
 388         snd_soc_jack_report(rt286->jack, status,
 389                 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 390 }
 391
 392 int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
 393 {
 394         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
 395
 396         rt286->jack = jack;
 397
 398         if (jack) {
 399                 /* enable IRQ */
 400                 if (rt286->jack->status & SND_JACK_HEADPHONE)
 401                         snd_soc_dapm_force_enable_pin(&codec->dapm, "LDO1");
 402                 regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x2);
 403                 /* Send an initial empty report */
 404                 snd_soc_jack_report(rt286->jack, rt286->jack->status,
 405                         SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
 406         } else {
 407                 /* disable IRQ */
 408                 regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x0);
 409                 snd_soc_dapm_disable_pin(&codec->dapm, "LDO1");
 410         }
 411         snd_soc_dapm_sync(&codec->dapm);
 412
 413         return 0;
 414 }
 415 EXPORT_SYMBOL_GPL(rt286_mic_detect);
 416
 417 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
 418                          struct snd_soc_dapm_widget *sink)
 419 {
 420         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
 421         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
 422
 423         if (rt286->clk_id == RT286_SCLK_S_MCLK)
 424                 return 1;
 425         else
 426                 return 0;
 427 }
 428
 429 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
 430 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 431
 432 static const struct snd_kcontrol_new rt286_snd_controls[] = {
 433         SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
 434                             RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 435         SOC_DOUBLE_R("ADC0 Capture Switch", RT286_ADCL_GAIN,
 436                             RT286_ADCR_GAIN, 7, 1, 1),
 437         SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
 438                             RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
 439         SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
 440                             0, 0x3, 0, mic_vol_tlv),
 441         SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
 442                             RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
 443 };
 444
 445 /* Digital Mixer */
 446 static const struct snd_kcontrol_new rt286_front_mix[] = {
 447         SOC_DAPM_SINGLE("DAC Switch",  RT286_F_DAC_SWITCH,
 448                         RT286_MUTE_SFT, 1, 1),
 449         SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
 450                         RT286_MUTE_SFT, 1, 1),
 451 };
 452
 453 /* Analog Input Mixer */
 454 static const struct snd_kcontrol_new rt286_rec_mix[] = {
 455         SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
 456                         RT286_MUTE_SFT, 1, 1),
 457         SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
 458                         RT286_MUTE_SFT, 1, 1),
 459         SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
 460                         RT286_MUTE_SFT, 1, 1),
 461         SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
 462                         RT286_MUTE_SFT, 1, 1),
 463 };
 464
 465 static const struct snd_kcontrol_new spo_enable_control =
 466         SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
 467                         RT286_SET_PIN_SFT, 1, 0);
 468
 469 static const struct snd_kcontrol_new hpol_enable_control =
 470         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
 471                         RT286_MUTE_SFT, 1, 1);
 472
 473 static const struct snd_kcontrol_new hpor_enable_control =
 474         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
 475                         RT286_MUTE_SFT, 1, 1);
 476
 477 /* ADC0 source */
 478 static const char * const rt286_adc_src[] = {
 479         "Mic", "RECMIX", "Dmic"
 480 };
 481
 482 static const int rt286_adc_values[] = {
 483         0, 4, 5,
 484 };
 485
 486 static SOC_VALUE_ENUM_SINGLE_DECL(
 487         rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
 488         RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
 489
 490 static const struct snd_kcontrol_new rt286_adc0_mux =
 491         SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
 492
 493 static SOC_VALUE_ENUM_SINGLE_DECL(
 494         rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
 495         RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
 496
 497 static const struct snd_kcontrol_new rt286_adc1_mux =
 498         SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
 499
 500 static const char * const rt286_dac_src[] = {
 501         "Front", "Surround"
 502 };
 503 /* HP-OUT source */
 504 static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
 505                                 0, rt286_dac_src);
 506
 507 static const struct snd_kcontrol_new rt286_hpo_mux =
 508 SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
 509
 510 /* SPK-OUT source */
 511 static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
 512                                 0, rt286_dac_src);
 513
 514 static const struct snd_kcontrol_new rt286_spo_mux =
 515 SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
 516
 517 static int rt286_spk_event(struct snd_soc_dapm_widget *w,
 518                             struct snd_kcontrol *kcontrol, int event)
 519 {
 520         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 521
 522         switch (event) {
 523         case SND_SOC_DAPM_POST_PMU:
 524                 snd_soc_write(codec,
 525                         RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
 526                 break;
 527         case SND_SOC_DAPM_PRE_PMD:
 528                 snd_soc_write(codec,
 529                         RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
 530                 break;
 531
 532         default:
 533                 return 0;
 534         }
 535
 536         return 0;
 537 }
 538
 539 static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
 540                                   struct snd_kcontrol *kcontrol, int event)
 541 {
 542         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 543
 544         switch (event) {
 545         case SND_SOC_DAPM_POST_PMU:
 546                 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0x20);
 547                 break;
 548         case SND_SOC_DAPM_PRE_PMD:
 549                 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0);
 550                 break;
 551         default:
 552                 return 0;
 553         }
 554
 555         return 0;
 556 }
 557
 558 static int rt286_vref_event(struct snd_soc_dapm_widget *w,
 559                              struct snd_kcontrol *kcontrol, int event)
 560 {
 561         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 562
 563         switch (event) {
 564         case SND_SOC_DAPM_PRE_PMU:
 565                 snd_soc_update_bits(codec,
 566                         RT286_CBJ_CTRL1, 0x0400, 0x0000);
 567                 mdelay(50);
 568                 break;
 569         default:
 570                 return 0;
 571         }
 572
 573         return 0;
 574 }
 575
 576 static int rt286_ldo2_event(struct snd_soc_dapm_widget *w,
 577                              struct snd_kcontrol *kcontrol, int event)
 578 {
 579         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 580
 581         switch (event) {
 582         case SND_SOC_DAPM_POST_PMU:
 583                 snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x08);
 584                 break;
 585         case SND_SOC_DAPM_PRE_PMD:
 586                 snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x30);
 587                 break;
 588         default:
 589                 return 0;
 590         }
 591
 592         return 0;
 593 }
 594
 595 static int rt286_mic1_event(struct snd_soc_dapm_widget *w,
 596                              struct snd_kcontrol *kcontrol, int event)
 597 {
 598         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 599
 600         switch (event) {
 601         case SND_SOC_DAPM_PRE_PMU:
 602                 snd_soc_update_bits(codec,
 603                         RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
 604                 snd_soc_update_bits(codec,
 605                         RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
 606                 break;
 607         case SND_SOC_DAPM_POST_PMD:
 608                 snd_soc_update_bits(codec,
 609                         RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
 610                 snd_soc_update_bits(codec,
 611                         RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
 612                 break;
 613         default:
 614                 return 0;
 615         }
 616
 617         return 0;
 618 }
 619
 620 static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
 621         SND_SOC_DAPM_SUPPLY_S("HV", 1, RT286_POWER_CTRL1,
 622                 12, 1, NULL, 0),
 623         SND_SOC_DAPM_SUPPLY("VREF", RT286_POWER_CTRL1,
 624                 0, 1, rt286_vref_event, SND_SOC_DAPM_PRE_PMU),
 625         SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT286_POWER_CTRL2,
 626                 2, 0, NULL, 0),
 627         SND_SOC_DAPM_SUPPLY_S("LDO2", 2, RT286_POWER_CTRL1,
 628                 13, 1, rt286_ldo2_event, SND_SOC_DAPM_PRE_PMD |
 629                 SND_SOC_DAPM_POST_PMU),
 630         SND_SOC_DAPM_SUPPLY("MCLK MODE", RT286_PLL_CTRL1,
 631                 5, 0, NULL, 0),
 632         SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
 633                 0, 0, rt286_mic1_event, SND_SOC_DAPM_PRE_PMU |
 634                 SND_SOC_DAPM_POST_PMD),
 635
 636         /* Input Lines */
 637         SND_SOC_DAPM_INPUT("DMIC1 Pin"),
 638         SND_SOC_DAPM_INPUT("DMIC2 Pin"),
 639         SND_SOC_DAPM_INPUT("MIC1"),
 640         SND_SOC_DAPM_INPUT("LINE1"),
 641         SND_SOC_DAPM_INPUT("Beep"),
 642
 643         /* DMIC */
 644         SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
 645                 NULL, 0, rt286_set_dmic1_event,
 646                 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 647         SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
 648                 NULL, 0),
 649         SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
 650                 0, 0, NULL, 0),
 651
 652         /* REC Mixer */
 653         SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
 654                 rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),
 655
 656         /* ADCs */
 657         SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
 658         SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
 659
 660         /* ADC Mux */
 661         SND_SOC_DAPM_MUX("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
 662                 &rt286_adc0_mux),
 663         SND_SOC_DAPM_MUX("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
 664                 &rt286_adc1_mux),
 665
 666         /* Audio Interface */
 667         SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
 668         SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
 669         SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
 670         SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
 671
 672         /* Output Side */
 673         /* DACs */
 674         SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
 675         SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
 676
 677         /* Output Mux */
 678         SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
 679         SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),
 680
 681         SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
 682                 RT286_SET_PIN_SFT, 0, NULL, 0),
 683
 684         /* Output Mixer */
 685         SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
 686                         rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
 687         SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
 688                         NULL, 0),
 689
 690         /* Output Pga */
 691         SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
 692                 &spo_enable_control, rt286_spk_event,
 693                 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 694         SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
 695                 &hpol_enable_control),
 696         SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
 697                 &hpor_enable_control),
 698
 699         /* Output Lines */
 700         SND_SOC_DAPM_OUTPUT("SPOL"),
 701         SND_SOC_DAPM_OUTPUT("SPOR"),
 702         SND_SOC_DAPM_OUTPUT("HPO Pin"),
 703         SND_SOC_DAPM_OUTPUT("SPDIF"),
 704 };
 705
 706 static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
 707         {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
 708         {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
 709         {"Front", NULL, "MCLK MODE", is_mclk_mode},
 710         {"Surround", NULL, "MCLK MODE", is_mclk_mode},
 711
 712         {"HP Power", NULL, "LDO1"},
 713         {"HP Power", NULL, "LDO2"},
 714
 715         {"MIC1", NULL, "LDO1"},
 716         {"MIC1", NULL, "LDO2"},
 717         {"MIC1", NULL, "HV"},
 718         {"MIC1", NULL, "VREF"},
 719         {"MIC1", NULL, "MIC1 Input Buffer"},
 720
 721         {"SPO", NULL, "LDO1"},
 722         {"SPO", NULL, "LDO2"},
 723         {"SPO", NULL, "HV"},
 724         {"SPO", NULL, "VREF"},
 725
 726         {"DMIC1", NULL, "DMIC1 Pin"},
 727         {"DMIC2", NULL, "DMIC2 Pin"},
 728         {"DMIC1", NULL, "DMIC Receiver"},
 729         {"DMIC2", NULL, "DMIC Receiver"},
 730
 731         {"RECMIX", "Beep Switch", "Beep"},
 732         {"RECMIX", "Line1 Switch", "LINE1"},
 733         {"RECMIX", "Mic1 Switch", "MIC1"},
 734
 735         {"ADC 0 Mux", "Dmic", "DMIC1"},
 736         {"ADC 0 Mux", "RECMIX", "RECMIX"},
 737         {"ADC 0 Mux", "Mic", "MIC1"},
 738         {"ADC 1 Mux", "Dmic", "DMIC2"},
 739         {"ADC 1 Mux", "RECMIX", "RECMIX"},
 740         {"ADC 1 Mux", "Mic", "MIC1"},
 741
 742         {"ADC 0", NULL, "ADC 0 Mux"},
 743         {"ADC 1", NULL, "ADC 1 Mux"},
 744
 745         {"AIF1TX", NULL, "ADC 0"},
 746         {"AIF2TX", NULL, "ADC 1"},
 747
 748         {"DAC 0", NULL, "AIF1RX"},
 749         {"DAC 1", NULL, "AIF2RX"},
 750
 751         {"Front", "DAC Switch", "DAC 0"},
 752         {"Front", "RECMIX Switch", "RECMIX"},
 753
 754         {"Surround", NULL, "DAC 1"},
 755
 756         {"SPK Mux", "Front", "Front"},
 757         {"SPK Mux", "Surround", "Surround"},
 758
 759         {"HPO Mux", "Front", "Front"},
 760         {"HPO Mux", "Surround", "Surround"},
 761
 762         {"SPO", "Switch", "SPK Mux"},
 763         {"HPO L", "Switch", "HPO Mux"},
 764         {"HPO R", "Switch", "HPO Mux"},
 765         {"HPO L", NULL, "HP Power"},
 766         {"HPO R", NULL, "HP Power"},
 767
 768         {"SPOL", NULL, "SPO"},
 769         {"SPOR", NULL, "SPO"},
 770         {"HPO Pin", NULL, "HPO L"},
 771         {"HPO Pin", NULL, "HPO R"},
 772 };
 773
 774 static int rt286_hw_params(struct snd_pcm_substream *substream,
 775                             struct snd_pcm_hw_params *params,
 776                             struct snd_soc_dai *dai)
 777 {
 778         struct snd_soc_codec *codec = dai->codec;
 779         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
 780         unsigned int val = 0;
 781         int d_len_code;
 782
 783         switch (params_rate(params)) {
 784         /* bit 14 0:48K 1:44.1K */
 785         case 44100:
 786                 val |= 0x4000;
 787                 break;
 788         case 48000:
 789                 break;
 790         default:
 791                 dev_err(codec->dev, "Unsupported sample rate %d\n",
 792                                         params_rate(params));
 793                 return -EINVAL;
 794         }
 795         switch (rt286->sys_clk) {
 796         case 12288000:
 797         case 24576000:
 798                 if (params_rate(params) != 48000) {
 799                         dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 800                                         params_rate(params), rt286->sys_clk);
 801                         return -EINVAL;
 802                 }
 803                 break;
 804         case 11289600:
 805         case 22579200:
 806                 if (params_rate(params) != 44100) {
 807                         dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
 808                                         params_rate(params), rt286->sys_clk);
 809                         return -EINVAL;
 810                 }
 811                 break;
 812         }
 813
 814         if (params_channels(params) <= 16) {
 815                 /* bit 3:0 Number of Channel */
 816                 val |= (params_channels(params) - 1);
 817         } else {
 818                 dev_err(codec->dev, "Unsupported channels %d\n",
 819                                         params_channels(params));
 820                 return -EINVAL;
 821         }
 822
 823         d_len_code = 0;
 824         switch (params_width(params)) {
 825         /* bit 6:4 Bits per Sample */
 826         case 16:
 827                 d_len_code = 0;
 828                 val |= (0x1 << 4);
 829                 break;
 830         case 32:
 831                 d_len_code = 2;
 832                 val |= (0x4 << 4);
 833                 break;
 834         case 20:
 835                 d_len_code = 1;
 836                 val |= (0x2 << 4);
 837                 break;
 838         case 24:
 839                 d_len_code = 2;
 840                 val |= (0x3 << 4);
 841                 break;
 842         case 8:
 843                 d_len_code = 3;
 844                 break;
 845         default:
 846                 return -EINVAL;
 847         }
 848
 849         snd_soc_update_bits(codec,
 850                 RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
 851         dev_dbg(codec->dev, "format val = 0x%x\n", val);
 852
 853         snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
 854         snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);
 855
 856         return 0;
 857 }
 858
 859 static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 860 {
 861         struct snd_soc_codec *codec = dai->codec;
 862
 863         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 864         case SND_SOC_DAIFMT_CBM_CFM:
 865                 snd_soc_update_bits(codec,
 866                         RT286_I2S_CTRL1, 0x800, 0x800);
 867                 break;
 868         case SND_SOC_DAIFMT_CBS_CFS:
 869                 snd_soc_update_bits(codec,
 870                         RT286_I2S_CTRL1, 0x800, 0x0);
 871                 break;
 872         default:
 873                 return -EINVAL;
 874         }
 875
 876         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 877         case SND_SOC_DAIFMT_I2S:
 878                 snd_soc_update_bits(codec,
 879                         RT286_I2S_CTRL1, 0x300, 0x0);
 880                 break;
 881         case SND_SOC_DAIFMT_LEFT_J:
 882                 snd_soc_update_bits(codec,
 883                         RT286_I2S_CTRL1, 0x300, 0x1 << 8);
 884                 break;
 885         case SND_SOC_DAIFMT_DSP_A:
 886                 snd_soc_update_bits(codec,
 887                         RT286_I2S_CTRL1, 0x300, 0x2 << 8);
 888                 break;
 889         case SND_SOC_DAIFMT_DSP_B:
 890                 snd_soc_update_bits(codec,
 891                         RT286_I2S_CTRL1, 0x300, 0x3 << 8);
 892                 break;
 893         default:
 894                 return -EINVAL;
 895         }
 896         /* bit 15 Stream Type 0:PCM 1:Non-PCM */
 897         snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x8000, 0);
 898         snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x8000, 0);
 899
 900         return 0;
 901 }
 902
 903 static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
 904                                 int clk_id, unsigned int freq, int dir)
 905 {
 906         struct snd_soc_codec *codec = dai->codec;
 907         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
 908
 909         dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
 910
 911         if (RT286_SCLK_S_MCLK == clk_id) {
 912                 snd_soc_update_bits(codec,
 913                         RT286_I2S_CTRL2, 0x0100, 0x0);
 914                 snd_soc_update_bits(codec,
 915                         RT286_PLL_CTRL1, 0x20, 0x20);
 916         } else {
 917                 snd_soc_update_bits(codec,
 918                         RT286_I2S_CTRL2, 0x0100, 0x0100);
 919                 snd_soc_update_bits(codec,
 920                         RT286_PLL_CTRL, 0x4, 0x4);
 921                 snd_soc_update_bits(codec,
 922                         RT286_PLL_CTRL1, 0x20, 0x0);
 923         }
 924
 925         switch (freq) {
 926         case 19200000:
 927                 if (RT286_SCLK_S_MCLK == clk_id) {
 928                         dev_err(codec->dev, "Should not use MCLK\n");
 929                         return -EINVAL;
 930                 }
 931                 snd_soc_update_bits(codec,
 932                         RT286_I2S_CTRL2, 0x40, 0x40);
 933                 break;
 934         case 24000000:
 935                 if (RT286_SCLK_S_MCLK == clk_id) {
 936                         dev_err(codec->dev, "Should not use MCLK\n");
 937                         return -EINVAL;
 938                 }
 939                 snd_soc_update_bits(codec,
 940                         RT286_I2S_CTRL2, 0x40, 0x0);
 941                 break;
 942         case 12288000:
 943         case 11289600:
 944                 snd_soc_update_bits(codec,
 945                         RT286_I2S_CTRL2, 0x8, 0x0);
 946                 snd_soc_update_bits(codec,
 947                         RT286_CLK_DIV, 0xfc1e, 0x0004);
 948                 break;
 949         case 24576000:
 950         case 22579200:
 951                 snd_soc_update_bits(codec,
 952                         RT286_I2S_CTRL2, 0x8, 0x8);
 953                 snd_soc_update_bits(codec,
 954                         RT286_CLK_DIV, 0xfc1e, 0x5406);
 955                 break;
 956         default:
 957                 dev_err(codec->dev, "Unsupported system clock\n");
 958                 return -EINVAL;
 959         }
 960
 961         rt286->sys_clk = freq;
 962         rt286->clk_id = clk_id;
 963
 964         return 0;
 965 }
 966
 967 static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 968 {
 969         struct snd_soc_codec *codec = dai->codec;
 970
 971         dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
 972         if (50 == ratio)
 973                 snd_soc_update_bits(codec,
 974                         RT286_I2S_CTRL1, 0x1000, 0x1000);
 975         else
 976                 snd_soc_update_bits(codec,
 977                         RT286_I2S_CTRL1, 0x1000, 0x0);
 978
 979
 980         return 0;
 981 }
 982
 983 static int rt286_set_bias_level(struct snd_soc_codec *codec,
 984                                  enum snd_soc_bias_level level)
 985 {
 986         switch (level) {
 987         case SND_SOC_BIAS_PREPARE:
 988                 if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
 989                         snd_soc_write(codec,
 990                                 RT286_SET_AUDIO_POWER, AC_PWRST_D0);
 991                         snd_soc_update_bits(codec,
 992                                 RT286_DC_GAIN, 0x200, 0x200);
 993                 }
 994                 break;
 995
 996         case SND_SOC_BIAS_ON:
 997                 mdelay(10);
 998                 snd_soc_update_bits(codec,
 999                         RT286_CBJ_CTRL1, 0x0400, 0x0400);
1000                 snd_soc_update_bits(codec,
1001                         RT286_DC_GAIN, 0x200, 0x0);
1002
1003                 break;
1004
1005         case SND_SOC_BIAS_STANDBY:
1006                 snd_soc_write(codec,
1007                         RT286_SET_AUDIO_POWER, AC_PWRST_D3);
1008                 snd_soc_update_bits(codec,
1009                         RT286_CBJ_CTRL1, 0x0400, 0x0000);
1010                 break;
1011
1012         default:
1013                 break;
1014         }
1015         codec->dapm.bias_level = level;
1016
1017         return 0;
1018 }
1019
1020 static irqreturn_t rt286_irq(int irq, void *data)
1021 {
1022         struct rt286_priv *rt286 = data;
1023         bool hp = false;
1024         bool mic = false;
1025         int status = 0;
1026
1027         rt286_jack_detect(rt286, &hp, &mic);
1028
1029         /* Clear IRQ */
1030         regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);
1031
1032         if (hp == true)
1033                 status |= SND_JACK_HEADPHONE;
1034
1035         if (mic == true)
1036                 status |= SND_JACK_MICROPHONE;
1037
1038         snd_soc_jack_report(rt286->jack, status,
1039                 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
1040
1041         pm_wakeup_event(&rt286->i2c->dev, 300);
1042
1043         return IRQ_HANDLED;
1044 }
1045
1046 static int rt286_probe(struct snd_soc_codec *codec)
1047 {
1048         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1049
1050         rt286->codec = codec;
1051
1052         if (rt286->i2c->irq) {
1053                 regmap_update_bits(rt286->regmap,
1054                                         RT286_IRQ_CTRL, 0x2, 0x2);
1055
1056                 INIT_DELAYED_WORK(&rt286->jack_detect_work,
1057                                         rt286_jack_detect_work);
1058                 schedule_delayed_work(&rt286->jack_detect_work,
1059                                         msecs_to_jiffies(1250));
1060         }
1061
1062         return 0;
1063 }
1064
1065 static int rt286_remove(struct snd_soc_codec *codec)
1066 {
1067         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1068
1069         cancel_delayed_work_sync(&rt286->jack_detect_work);
1070
1071         return 0;
1072 }
1073
1074 #ifdef CONFIG_PM
1075 static int rt286_suspend(struct snd_soc_codec *codec)
1076 {
1077         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1078
1079         regcache_cache_only(rt286->regmap, true);
1080         regcache_mark_dirty(rt286->regmap);
1081
1082         return 0;
1083 }
1084
1085 static int rt286_resume(struct snd_soc_codec *codec)
1086 {
1087         struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1088
1089         regcache_cache_only(rt286->regmap, false);
1090         rt286_index_sync(codec);
1091         regcache_sync(rt286->regmap);
1092
1093         return 0;
1094 }
1095 #else
1096 #define rt286_suspend NULL
1097 #define rt286_resume NULL
1098 #endif
1099
1100 #define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1101 #define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1102                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1103
1104 static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
1105         .hw_params = rt286_hw_params,
1106         .set_fmt = rt286_set_dai_fmt,
1107         .set_sysclk = rt286_set_dai_sysclk,
1108         .set_bclk_ratio = rt286_set_bclk_ratio,
1109 };
1110
1111 static struct snd_soc_dai_driver rt286_dai[] = {
1112         {
1113                 .name = "rt286-aif1",
1114                 .id = RT286_AIF1,
1115                 .playback = {
1116                         .stream_name = "AIF1 Playback",
1117                         .channels_min = 1,
1118                         .channels_max = 2,
1119                         .rates = RT286_STEREO_RATES,
1120                         .formats = RT286_FORMATS,
1121                 },
1122                 .capture = {
1123                         .stream_name = "AIF1 Capture",
1124                         .channels_min = 1,
1125                         .channels_max = 2,
1126                         .rates = RT286_STEREO_RATES,
1127                         .formats = RT286_FORMATS,
1128                 },
1129                 .ops = &rt286_aif_dai_ops,
1130                 .symmetric_rates = 1,
1131         },
1132         {
1133                 .name = "rt286-aif2",
1134                 .id = RT286_AIF2,
1135                 .playback = {
1136                         .stream_name = "AIF2 Playback",
1137                         .channels_min = 1,
1138                         .channels_max = 2,
1139                         .rates = RT286_STEREO_RATES,
1140                         .formats = RT286_FORMATS,
1141                 },
1142                 .capture = {
1143                         .stream_name = "AIF2 Capture",
1144                         .channels_min = 1,
1145                         .channels_max = 2,
1146                         .rates = RT286_STEREO_RATES,
1147                         .formats = RT286_FORMATS,
1148                 },
1149                 .ops = &rt286_aif_dai_ops,
1150                 .symmetric_rates = 1,
1151         },
1152
1153 };
1154
1155 static struct snd_soc_codec_driver soc_codec_dev_rt286 = {
1156         .probe = rt286_probe,
1157         .remove = rt286_remove,
1158         .suspend = rt286_suspend,
1159         .resume = rt286_resume,
1160         .set_bias_level = rt286_set_bias_level,
1161         .idle_bias_off = true,
1162         .controls = rt286_snd_controls,
1163         .num_controls = ARRAY_SIZE(rt286_snd_controls),
1164         .dapm_widgets = rt286_dapm_widgets,
1165         .num_dapm_widgets = ARRAY_SIZE(rt286_dapm_widgets),
1166         .dapm_routes = rt286_dapm_routes,
1167         .num_dapm_routes = ARRAY_SIZE(rt286_dapm_routes),
1168 };
1169
1170 static const struct regmap_config rt286_regmap = {
1171         .reg_bits = 32,
1172         .val_bits = 32,
1173         .max_register = 0x02370100,
1174         .volatile_reg = rt286_volatile_register,
1175         .readable_reg = rt286_readable_register,
1176         .reg_write = rt286_hw_write,
1177         .reg_read = rt286_hw_read,
1178         .cache_type = REGCACHE_RBTREE,
1179         .reg_defaults = rt286_reg,
1180         .num_reg_defaults = ARRAY_SIZE(rt286_reg),
1181 };
1182
1183 static const struct i2c_device_id rt286_i2c_id[] = {
1184         {"rt286", 0},
1185         {"rt288", 0},
1186         {}
1187 };
1188 MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
1189
1190 static const struct acpi_device_id rt286_acpi_match[] = {
1191         { "INT343A", 0 },
1192         {},
1193 };
1194 MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
1195
1196 static struct dmi_system_id force_combo_jack_table[] = {
1197         {
1198                 .ident = "Intel Wilson Beach",
1199                 .matches = {
1200                         DMI_MATCH(DMI_BOARD_NAME, "Wilson Beach SDS")
1201                 }
1202         },
1203         { }
1204 };
1205
1206 static struct dmi_system_id dmi_dell_dino[] = {
1207         {
1208                 .ident = "Dell Dino",
1209                 .matches = {
1210                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1211                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343")
1212                 }
1213         },
1214         { }
1215 };
1216
1217 static int rt286_i2c_probe(struct i2c_client *i2c,
1218                            const struct i2c_device_id *id)
1219 {
1220         struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
1221         struct rt286_priv *rt286;
1222         int i, ret, val;
1223
1224         rt286 = devm_kzalloc(&i2c->dev, sizeof(*rt286),
1225                                 GFP_KERNEL);
1226         if (NULL == rt286)
1227                 return -ENOMEM;
1228
1229         rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
1230         if (IS_ERR(rt286->regmap)) {
1231                 ret = PTR_ERR(rt286->regmap);
1232                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1233                         ret);
1234                 return ret;
1235         }
1236
1237         ret = regmap_read(rt286->regmap,
1238                 RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
1239         if (ret != 0) {
1240                 dev_err(&i2c->dev, "I2C error %d\n", ret);
1241                 return ret;
1242         }
1243         if (val != RT286_VENDOR_ID && val != RT288_VENDOR_ID) {
1244                 dev_err(&i2c->dev,
1245                         "Device with ID register %x is not rt286\n", val);
1246                 return -ENODEV;
1247         }
1248
1249         rt286->index_cache = rt286_index_def;
1250         rt286->i2c = i2c;
1251         i2c_set_clientdata(i2c, rt286);
1252
1253         /* restore codec default */
1254         for (i = 0; i < INDEX_CACHE_SIZE; i++)
1255                 regmap_write(rt286->regmap, rt286->index_cache[i].reg,
1256                                 rt286->index_cache[i].def);
1257         for (i = 0; i < ARRAY_SIZE(rt286_reg); i++)
1258                 regmap_write(rt286->regmap, rt286_reg[i].reg,
1259                                 rt286_reg[i].def);
1260
1261         if (pdata)
1262                 rt286->pdata = *pdata;
1263
1264         if (dmi_check_system(force_combo_jack_table) ||
1265                 dmi_check_system(dmi_dell_dino))
1266                 rt286->pdata.cbj_en = true;
1267
1268         regmap_write(rt286->regmap, RT286_SET_AUDIO_POWER, AC_PWRST_D3);
1269
1270         for (i = 0; i < RT286_POWER_REG_LEN; i++)
1271                 regmap_write(rt286->regmap,
1272                         RT286_SET_POWER(rt286_support_power_controls[i]),
1273                         AC_PWRST_D1);
1274
1275         if (!rt286->pdata.cbj_en) {
1276                 regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000);
1277                 regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816);
1278                 regmap_update_bits(rt286->regmap,
1279                                         RT286_CBJ_CTRL1, 0xf000, 0xb000);
1280         } else {
1281                 regmap_update_bits(rt286->regmap,
1282                                         RT286_CBJ_CTRL1, 0xf000, 0x5000);
1283         }
1284
1285         mdelay(10);
1286
1287         if (!rt286->pdata.gpio2_en)
1288                 regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x4000);
1289         else
1290                 regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0);
1291
1292         mdelay(10);
1293
1294         regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
1295         /* Power down LDO, VREF */
1296         regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0xc, 0x0);
1297         regmap_update_bits(rt286->regmap, RT286_POWER_CTRL1, 0x1001, 0x1001);
1298
1299         /* Set depop parameter */
1300         regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a);
1301         regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL3, 0xf777, 0x4737);
1302         regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL4, 0x00ff, 0x003f);
1303
1304         if (dmi_check_system(dmi_dell_dino)) {
1305                 regmap_update_bits(rt286->regmap,
1306                         RT286_SET_GPIO_MASK, 0x40, 0x40);
1307                 regmap_update_bits(rt286->regmap,
1308                         RT286_SET_GPIO_DIRECTION, 0x40, 0x40);
1309                 regmap_update_bits(rt286->regmap,
1310                         RT286_SET_GPIO_DATA, 0x40, 0x40);
1311                 regmap_update_bits(rt286->regmap,
1312                         RT286_GPIO_CTRL, 0xc, 0x8);
1313         }
1314
1315         if (rt286->i2c->irq) {
1316                 ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq,
1317                         IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286);
1318                 if (ret != 0) {
1319                         dev_err(&i2c->dev,
1320                                 "Failed to reguest IRQ: %d\n", ret);
1321                         return ret;
1322                 }
1323         }
1324
1325         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt286,
1326                                      rt286_dai, ARRAY_SIZE(rt286_dai));
1327
1328         return ret;
1329 }
1330
1331 static int rt286_i2c_remove(struct i2c_client *i2c)
1332 {
1333         struct rt286_priv *rt286 = i2c_get_clientdata(i2c);
1334
1335         if (i2c->irq)
1336                 free_irq(i2c->irq, rt286);
1337         snd_soc_unregister_codec(&i2c->dev);
1338
1339         return 0;
1340 }
1341
1342
1343 static struct i2c_driver rt286_i2c_driver = {
1344         .driver = {
1345                    .name = "rt286",
1346                    .owner = THIS_MODULE,
1347                    .acpi_match_table = ACPI_PTR(rt286_acpi_match),
1348                    },
1349         .probe = rt286_i2c_probe,
1350         .remove = rt286_i2c_remove,
1351         .id_table = rt286_i2c_id,
1352 };
1353
1354 module_i2c_driver(rt286_i2c_driver);
1355
1356 MODULE_DESCRIPTION("ASoC RT286 driver");
1357 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1358 MODULE_LICENSE("GPL");