sound/soc/codecs/rt700.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // rt700.c -- rt700 ALSA SoC audio driver
   4 //
   5 // Copyright(c) 2019 Realtek Semiconductor Corp.
   6 //
   7 //
   8
   9 #include <linux/module.h>
  10 #include <linux/moduleparam.h>
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/delay.h>
  14 #include <linux/pm_runtime.h>
  15 #include <linux/pm.h>
  16 #include <linux/soundwire/sdw.h>
  17 #include <linux/regmap.h>
  18 #include <linux/slab.h>
  19 #include <sound/core.h>
  20 #include <sound/pcm.h>
  21 #include <sound/pcm_params.h>
  22 #include <sound/sdw.h>
  23 #include <sound/soc.h>
  24 #include <sound/soc-dapm.h>
  25 #include <sound/initval.h>
  26 #include <sound/tlv.h>
  27 #include <sound/hda_verbs.h>
  28 #include <sound/jack.h>
  29
  30 #include "rt700.h"
  31
  32 static int rt700_index_write(struct regmap *regmap,
  33                 unsigned int reg, unsigned int value)
  34 {
  35         int ret;
  36         unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
  37
  38         ret = regmap_write(regmap, addr, value);
  39         if (ret < 0)
  40                 pr_err("%s: Failed to set private value: %06x <= %04x ret=%d\n",
  41                        __func__, addr, value, ret);
  42
  43         return ret;
  44 }
  45
  46 static int rt700_index_read(struct regmap *regmap,
  47                 unsigned int reg, unsigned int *value)
  48 {
  49         int ret;
  50         unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
  51
  52         *value = 0;
  53         ret = regmap_read(regmap, addr, value);
  54         if (ret < 0)
  55                 pr_err("%s: Failed to get private value: %06x => %04x ret=%d\n",
  56                        __func__, addr, *value, ret);
  57
  58         return ret;
  59 }
  60
  61 static unsigned int rt700_button_detect(struct rt700_priv *rt700)
  62 {
  63         unsigned int btn_type = 0, val80, val81;
  64         int ret;
  65
  66         ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80);
  67         if (ret < 0)
  68                 goto read_error;
  69         ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &val81);
  70         if (ret < 0)
  71                 goto read_error;
  72
  73         val80 &= 0x0381;
  74         val81 &= 0xff00;
  75
  76         switch (val80) {
  77         case 0x0200:
  78         case 0x0100:
  79         case 0x0080:
  80                 btn_type |= SND_JACK_BTN_0;
  81                 break;
  82         case 0x0001:
  83                 btn_type |= SND_JACK_BTN_3;
  84                 break;
  85         }
  86         switch (val81) {
  87         case 0x8000:
  88         case 0x4000:
  89         case 0x2000:
  90                 btn_type |= SND_JACK_BTN_1;
  91                 break;
  92         case 0x1000:
  93         case 0x0800:
  94         case 0x0400:
  95                 btn_type |= SND_JACK_BTN_2;
  96                 break;
  97         case 0x0200:
  98         case 0x0100:
  99                 btn_type |= SND_JACK_BTN_3;
 100                 break;
 101         }
 102 read_error:
 103         return btn_type;
 104 }
 105
 106 static int rt700_headset_detect(struct rt700_priv *rt700)
 107 {
 108         unsigned int buf, loop = 0;
 109         int ret;
 110         unsigned int jack_status = 0, reg;
 111
 112         ret = rt700_index_read(rt700->regmap,
 113                                         RT700_COMBO_JACK_AUTO_CTL2, &buf);
 114         if (ret < 0)
 115                 goto io_error;
 116
 117         while (loop < 500 &&
 118                 (buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) {
 119                 loop++;
 120
 121                 usleep_range(9000, 10000);
 122                 ret = rt700_index_read(rt700->regmap,
 123                                         RT700_COMBO_JACK_AUTO_CTL2, &buf);
 124                 if (ret < 0)
 125                         goto io_error;
 126
 127                 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
 128                 ret = regmap_read(rt700->regmap, reg, &jack_status);
 129                 if ((jack_status & (1 << 31)) == 0)
 130                         goto remove_error;
 131         }
 132
 133         if (loop >= 500)
 134                 goto to_error;
 135
 136         if (buf & RT700_COMBOJACK_AUTO_DET_TRS)
 137                 rt700->jack_type = SND_JACK_HEADPHONE;
 138         else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) ||
 139                 (buf & RT700_COMBOJACK_AUTO_DET_OMTP))
 140                 rt700->jack_type = SND_JACK_HEADSET;
 141
 142         return 0;
 143
 144 to_error:
 145         ret = -ETIMEDOUT;
 146         pr_err_ratelimited("Time-out error in %s\n", __func__);
 147         return ret;
 148 io_error:
 149         pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
 150         return ret;
 151 remove_error:
 152         pr_err_ratelimited("Jack removal in %s\n", __func__);
 153         return -ENODEV;
 154 }
 155
 156 static void rt700_jack_detect_handler(struct work_struct *work)
 157 {
 158         struct rt700_priv *rt700 =
 159                 container_of(work, struct rt700_priv, jack_detect_work.work);
 160         int btn_type = 0, ret;
 161         unsigned int jack_status = 0, reg;
 162
 163         if (!rt700->hs_jack)
 164                 return;
 165
 166         if (!snd_soc_card_is_instantiated(rt700->component->card))
 167                 return;
 168
 169         reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
 170         ret = regmap_read(rt700->regmap, reg, &jack_status);
 171         if (ret < 0)
 172                 goto io_error;
 173
 174         /* pin attached */
 175         if (jack_status & (1 << 31)) {
 176                 /* jack in */
 177                 if (rt700->jack_type == 0) {
 178                         ret = rt700_headset_detect(rt700);
 179                         if (ret < 0)
 180                                 return;
 181                         if (rt700->jack_type == SND_JACK_HEADSET)
 182                                 btn_type = rt700_button_detect(rt700);
 183                 } else if (rt700->jack_type == SND_JACK_HEADSET) {
 184                         /* jack is already in, report button event */
 185                         btn_type = rt700_button_detect(rt700);
 186                 }
 187         } else {
 188                 /* jack out */
 189                 rt700->jack_type = 0;
 190         }
 191
 192         dev_dbg(&rt700->slave->dev,
 193                 "in %s, jack_type=0x%x\n", __func__, rt700->jack_type);
 194         dev_dbg(&rt700->slave->dev,
 195                 "in %s, btn_type=0x%x\n", __func__, btn_type);
 196
 197         snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
 198                         SND_JACK_HEADSET |
 199                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 200                         SND_JACK_BTN_2 | SND_JACK_BTN_3);
 201
 202         if (btn_type) {
 203                 /* button released */
 204                 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
 205                         SND_JACK_HEADSET |
 206                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 207                         SND_JACK_BTN_2 | SND_JACK_BTN_3);
 208
 209                 mod_delayed_work(system_power_efficient_wq,
 210                         &rt700->jack_btn_check_work, msecs_to_jiffies(200));
 211         }
 212
 213         return;
 214
 215 io_error:
 216         pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
 217 }
 218
 219 static void rt700_btn_check_handler(struct work_struct *work)
 220 {
 221         struct rt700_priv *rt700 = container_of(work, struct rt700_priv,
 222                 jack_btn_check_work.work);
 223         int btn_type = 0, ret;
 224         unsigned int jack_status = 0, reg;
 225
 226         reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
 227         ret = regmap_read(rt700->regmap, reg, &jack_status);
 228         if (ret < 0)
 229                 goto io_error;
 230
 231         /* pin attached */
 232         if (jack_status & (1 << 31)) {
 233                 if (rt700->jack_type == SND_JACK_HEADSET) {
 234                         /* jack is already in, report button event */
 235                         btn_type = rt700_button_detect(rt700);
 236                 }
 237         } else {
 238                 rt700->jack_type = 0;
 239         }
 240
 241         /* cbj comparator */
 242         ret = rt700_index_read(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, &reg);
 243         if (ret < 0)
 244                 goto io_error;
 245
 246         if ((reg & 0xf0) == 0xf0)
 247                 btn_type = 0;
 248
 249         dev_dbg(&rt700->slave->dev,
 250                 "%s, btn_type=0x%x\n",  __func__, btn_type);
 251         snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
 252                         SND_JACK_HEADSET |
 253                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 254                         SND_JACK_BTN_2 | SND_JACK_BTN_3);
 255
 256         if (btn_type) {
 257                 /* button released */
 258                 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
 259                         SND_JACK_HEADSET |
 260                         SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 261                         SND_JACK_BTN_2 | SND_JACK_BTN_3);
 262
 263                 mod_delayed_work(system_power_efficient_wq,
 264                         &rt700->jack_btn_check_work, msecs_to_jiffies(200));
 265         }
 266
 267         return;
 268
 269 io_error:
 270         pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
 271 }
 272
 273 static void rt700_jack_init(struct rt700_priv *rt700)
 274 {
 275         struct snd_soc_dapm_context *dapm =
 276                 snd_soc_component_get_dapm(rt700->component);
 277
 278         /* power on */
 279         if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
 280                 regmap_write(rt700->regmap,
 281                         RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
 282
 283         if (rt700->hs_jack) {
 284                 /* Enable Jack Detection */
 285                 regmap_write(rt700->regmap,
 286                         RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
 287                 regmap_write(rt700->regmap,
 288                         RT700_SET_HP_UNSOLICITED_ENABLE, 0x81);
 289                 regmap_write(rt700->regmap,
 290                         RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
 291                 rt700_index_write(rt700->regmap, 0x10, 0x2420);
 292                 rt700_index_write(rt700->regmap, 0x19, 0x2e11);
 293
 294                 dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);
 295
 296                 mod_delayed_work(system_power_efficient_wq,
 297                         &rt700->jack_detect_work, msecs_to_jiffies(250));
 298         } else {
 299                 regmap_write(rt700->regmap,
 300                         RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00);
 301                 regmap_write(rt700->regmap,
 302                         RT700_SET_HP_UNSOLICITED_ENABLE, 0x00);
 303                 regmap_write(rt700->regmap,
 304                         RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00);
 305
 306                 dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);
 307         }
 308
 309         /* power off */
 310         if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
 311                 regmap_write(rt700->regmap,
 312                         RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
 313 }
 314
 315 static int rt700_set_jack_detect(struct snd_soc_component *component,
 316         struct snd_soc_jack *hs_jack, void *data)
 317 {
 318         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 319         int ret;
 320
 321         rt700->hs_jack = hs_jack;
 322
 323         /* we can only resume if the device was initialized at least once */
 324         if (!rt700->first_hw_init)
 325                 return 0;
 326
 327         ret = pm_runtime_resume_and_get(component->dev);
 328         if (ret < 0) {
 329                 if (ret != -EACCES) {
 330                         dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret);
 331                         return ret;
 332                 }
 333
 334                 /* pm_runtime not enabled yet */
 335                 dev_dbg(component->dev, "%s: skipping jack init for now\n", __func__);
 336                 return 0;
 337         }
 338
 339         rt700_jack_init(rt700);
 340
 341         pm_runtime_mark_last_busy(component->dev);
 342         pm_runtime_put_autosuspend(component->dev);
 343
 344         return 0;
 345 }
 346
 347 static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,
 348                                 unsigned int addr_l, unsigned int val_h,
 349                                 unsigned int *r_val, unsigned int *l_val)
 350 {
 351         /* R Channel */
 352         *r_val = (val_h << 8);
 353         regmap_read(rt700->regmap, addr_l, r_val);
 354
 355         /* L Channel */
 356         val_h |= 0x20;
 357         *l_val = (val_h << 8);
 358         regmap_read(rt700->regmap, addr_h, l_val);
 359 }
 360
 361 /* For Verb-Set Amplifier Gain (Verb ID = 3h) */
 362 static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,
 363                 struct snd_ctl_elem_value *ucontrol)
 364 {
 365         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 366         struct snd_soc_dapm_context *dapm =
 367                 snd_soc_component_get_dapm(component);
 368         struct soc_mixer_control *mc =
 369                 (struct soc_mixer_control *)kcontrol->private_value;
 370         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 371         unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
 372         unsigned int read_ll, read_rl;
 373         int i;
 374
 375         /* Can't use update bit function, so read the original value first */
 376         addr_h = mc->reg;
 377         addr_l = mc->rreg;
 378         if (mc->shift == RT700_DIR_OUT_SFT) /* output */
 379                 val_h = 0x80;
 380         else /* input */
 381                 val_h = 0x0;
 382
 383         rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
 384
 385         /* L Channel */
 386         if (mc->invert) {
 387                 /* for mute */
 388                 val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;
 389                 /* keep gain */
 390                 read_ll = read_ll & 0x7f;
 391                 val_ll |= read_ll;
 392         } else {
 393                 /* for gain */
 394                 val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
 395                 if (val_ll > mc->max)
 396                         val_ll = mc->max;
 397                 /* keep mute status */
 398                 read_ll = read_ll & 0x80;
 399                 val_ll |= read_ll;
 400         }
 401
 402         if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
 403                 regmap_write(rt700->regmap,
 404                                 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
 405
 406         /* R Channel */
 407         if (mc->invert) {
 408                 /* for mute */
 409                 val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;
 410                 /* keep gain */
 411                 read_rl = read_rl & 0x7f;
 412                 val_lr |= read_rl;
 413         } else {
 414                 /* for gain */
 415                 val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
 416                 if (val_lr > mc->max)
 417                         val_lr = mc->max;
 418                 /* keep mute status */
 419                 read_rl = read_rl & 0x80;
 420                 val_lr |= read_rl;
 421         }
 422
 423         for (i = 0; i < 3; i++) { /* retry 3 times at most */
 424                 if (val_ll == val_lr) {
 425                         /* Set both L/R channels at the same time */
 426                         val_h = (1 << mc->shift) | (3 << 4);
 427                         regmap_write(rt700->regmap,
 428                                 addr_h, (val_h << 8 | val_ll));
 429                         regmap_write(rt700->regmap,
 430                                 addr_l, (val_h << 8 | val_ll));
 431                 } else {
 432                         /* Lch*/
 433                         val_h = (1 << mc->shift) | (1 << 5);
 434                         regmap_write(rt700->regmap,
 435                                 addr_h, (val_h << 8 | val_ll));
 436
 437                         /* Rch */
 438                         val_h = (1 << mc->shift) | (1 << 4);
 439                         regmap_write(rt700->regmap,
 440                                 addr_l, (val_h << 8 | val_lr));
 441                 }
 442                 /* check result */
 443                 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
 444                         val_h = 0x80;
 445                 else /* input */
 446                         val_h = 0x0;
 447
 448                 rt700_get_gain(rt700, addr_h, addr_l, val_h,
 449                                         &read_rl, &read_ll);
 450                 if (read_rl == val_lr && read_ll == val_ll)
 451                         break;
 452         }
 453
 454         if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
 455                 regmap_write(rt700->regmap,
 456                                 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
 457         return 0;
 458 }
 459
 460 static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,
 461                 struct snd_ctl_elem_value *ucontrol)
 462 {
 463         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 464         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 465         struct soc_mixer_control *mc =
 466                 (struct soc_mixer_control *)kcontrol->private_value;
 467         unsigned int addr_h, addr_l, val_h;
 468         unsigned int read_ll, read_rl;
 469
 470         addr_h = mc->reg;
 471         addr_l = mc->rreg;
 472         if (mc->shift == RT700_DIR_OUT_SFT) /* output */
 473                 val_h = 0x80;
 474         else /* input */
 475                 val_h = 0x0;
 476
 477         rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
 478
 479         if (mc->invert) {
 480                 /* for mute status */
 481                 read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);
 482                 read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);
 483         } else {
 484                 /* for gain */
 485                 read_ll = read_ll & 0x7f;
 486                 read_rl = read_rl & 0x7f;
 487         }
 488         ucontrol->value.integer.value[0] = read_ll;
 489         ucontrol->value.integer.value[1] = read_rl;
 490
 491         return 0;
 492 }
 493
 494 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
 495 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
 496 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 497
 498 static const struct snd_kcontrol_new rt700_snd_controls[] = {
 499         SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",
 500                 RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,
 501                 RT700_DIR_OUT_SFT, 0x57, 0,
 502                 rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),
 503         SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",
 504                 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
 505                 RT700_DIR_IN_SFT, 1, 1,
 506                 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
 507         SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",
 508                 RT700_SET_GAIN_ADC1_H,  RT700_SET_GAIN_ADC1_L,
 509                 RT700_DIR_IN_SFT, 1, 1,
 510                 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
 511         SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",
 512                 RT700_SET_GAIN_ADC2_H,  RT700_SET_GAIN_ADC2_L,
 513                 RT700_DIR_IN_SFT, 0x3f, 0,
 514                 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
 515         SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",
 516                 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
 517                 RT700_DIR_IN_SFT, 0x3f, 0,
 518                 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
 519         SOC_DOUBLE_R_EXT_TLV("AMIC Volume",
 520                 RT700_SET_GAIN_AMIC_H,  RT700_SET_GAIN_AMIC_L,
 521                 RT700_DIR_IN_SFT, 3, 0,
 522                 rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),
 523 };
 524
 525 static int rt700_mux_get(struct snd_kcontrol *kcontrol,
 526                         struct snd_ctl_elem_value *ucontrol)
 527 {
 528         struct snd_soc_component *component =
 529                 snd_soc_dapm_kcontrol_component(kcontrol);
 530         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 531         unsigned int reg, val = 0, nid;
 532         int ret;
 533
 534         if (strstr(ucontrol->id.name, "HPO Mux"))
 535                 nid = RT700_HP_OUT;
 536         else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
 537                 nid = RT700_MIXER_IN1;
 538         else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
 539                 nid = RT700_MIXER_IN2;
 540         else
 541                 return -EINVAL;
 542
 543         /* vid = 0xf01 */
 544         reg = RT700_VERB_SET_CONNECT_SEL | nid;
 545         ret = regmap_read(rt700->regmap, reg, &val);
 546         if (ret < 0)
 547                 return ret;
 548
 549         ucontrol->value.enumerated.item[0] = val;
 550
 551         return 0;
 552 }
 553
 554 static int rt700_mux_put(struct snd_kcontrol *kcontrol,
 555                         struct snd_ctl_elem_value *ucontrol)
 556 {
 557         struct snd_soc_component *component =
 558                 snd_soc_dapm_kcontrol_component(kcontrol);
 559         struct snd_soc_dapm_context *dapm =
 560                 snd_soc_dapm_kcontrol_dapm(kcontrol);
 561         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 562         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 563         unsigned int *item = ucontrol->value.enumerated.item;
 564         unsigned int val, val2 = 0, change, reg, nid;
 565         int ret;
 566
 567         if (item[0] >= e->items)
 568                 return -EINVAL;
 569
 570         if (strstr(ucontrol->id.name, "HPO Mux"))
 571                 nid = RT700_HP_OUT;
 572         else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
 573                 nid = RT700_MIXER_IN1;
 574         else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
 575                 nid = RT700_MIXER_IN2;
 576         else
 577                 return -EINVAL;
 578
 579         /* Verb ID = 0x701h */
 580         val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
 581
 582         reg = RT700_VERB_SET_CONNECT_SEL | nid;
 583         ret = regmap_read(rt700->regmap, reg, &val2);
 584         if (ret < 0)
 585                 return ret;
 586
 587         if (val == val2)
 588                 change = 0;
 589         else
 590                 change = 1;
 591
 592         if (change) {
 593                 reg = RT700_VERB_SET_CONNECT_SEL | nid;
 594                 regmap_write(rt700->regmap, reg, val);
 595         }
 596
 597         snd_soc_dapm_mux_update_power(dapm, kcontrol,
 598                                                 item[0], e, NULL);
 599
 600         return change;
 601 }
 602
 603 static const char * const adc_mux_text[] = {
 604         "MIC2",
 605         "LINE1",
 606         "LINE2",
 607         "DMIC",
 608 };
 609
 610 static SOC_ENUM_SINGLE_DECL(
 611         rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);
 612
 613 static SOC_ENUM_SINGLE_DECL(
 614         rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);
 615
 616 static const struct snd_kcontrol_new rt700_adc22_mux =
 617         SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,
 618                         rt700_mux_get, rt700_mux_put);
 619
 620 static const struct snd_kcontrol_new rt700_adc23_mux =
 621         SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,
 622                         rt700_mux_get, rt700_mux_put);
 623
 624 static const char * const out_mux_text[] = {
 625         "Front",
 626         "Surround",
 627 };
 628
 629 static SOC_ENUM_SINGLE_DECL(
 630         rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);
 631
 632 static const struct snd_kcontrol_new rt700_hp_mux =
 633         SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,
 634                         rt700_mux_get, rt700_mux_put);
 635
 636 static int rt700_dac_front_event(struct snd_soc_dapm_widget *w,
 637         struct snd_kcontrol *kcontrol, int event)
 638 {
 639         struct snd_soc_component *component =
 640                 snd_soc_dapm_to_component(w->dapm);
 641         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 642
 643         switch (event) {
 644         case SND_SOC_DAPM_POST_PMU:
 645                 regmap_write(rt700->regmap,
 646                         RT700_SET_STREAMID_DAC1, 0x10);
 647                 break;
 648         case SND_SOC_DAPM_PRE_PMD:
 649                 regmap_write(rt700->regmap,
 650                         RT700_SET_STREAMID_DAC1, 0x00);
 651                 break;
 652         }
 653         return 0;
 654 }
 655
 656 static int rt700_dac_surround_event(struct snd_soc_dapm_widget *w,
 657         struct snd_kcontrol *kcontrol, int event)
 658 {
 659         struct snd_soc_component *component =
 660                 snd_soc_dapm_to_component(w->dapm);
 661         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 662
 663         switch (event) {
 664         case SND_SOC_DAPM_POST_PMU:
 665                 regmap_write(rt700->regmap,
 666                         RT700_SET_STREAMID_DAC2, 0x10);
 667                 break;
 668         case SND_SOC_DAPM_PRE_PMD:
 669                 regmap_write(rt700->regmap,
 670                         RT700_SET_STREAMID_DAC2, 0x00);
 671                 break;
 672         }
 673         return 0;
 674 }
 675
 676 static int rt700_adc_09_event(struct snd_soc_dapm_widget *w,
 677         struct snd_kcontrol *kcontrol, int event)
 678 {
 679         struct snd_soc_component *component =
 680                 snd_soc_dapm_to_component(w->dapm);
 681         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 682
 683         switch (event) {
 684         case SND_SOC_DAPM_POST_PMU:
 685                 regmap_write(rt700->regmap,
 686                         RT700_SET_STREAMID_ADC1, 0x10);
 687                 break;
 688         case SND_SOC_DAPM_PRE_PMD:
 689                 regmap_write(rt700->regmap,
 690                         RT700_SET_STREAMID_ADC1, 0x00);
 691                 break;
 692         }
 693         return 0;
 694 }
 695
 696 static int rt700_adc_08_event(struct snd_soc_dapm_widget *w,
 697         struct snd_kcontrol *kcontrol, int event)
 698 {
 699         struct snd_soc_component *component =
 700                 snd_soc_dapm_to_component(w->dapm);
 701         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 702
 703         switch (event) {
 704         case SND_SOC_DAPM_POST_PMU:
 705                 regmap_write(rt700->regmap,
 706                         RT700_SET_STREAMID_ADC2, 0x10);
 707                 break;
 708         case SND_SOC_DAPM_PRE_PMD:
 709                 regmap_write(rt700->regmap,
 710                         RT700_SET_STREAMID_ADC2, 0x00);
 711                 break;
 712         }
 713         return 0;
 714 }
 715
 716 static int rt700_hpo_mux_event(struct snd_soc_dapm_widget *w,
 717         struct snd_kcontrol *kcontrol, int event)
 718 {
 719         struct snd_soc_component *component =
 720                 snd_soc_dapm_to_component(w->dapm);
 721         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 722         unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
 723         unsigned int val_l;
 724
 725         switch (event) {
 726         case SND_SOC_DAPM_POST_PMU:
 727                 val_l = 0x00;
 728                 regmap_write(rt700->regmap,
 729                         RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
 730                 break;
 731         case SND_SOC_DAPM_PRE_PMD:
 732                 val_l = (1 << RT700_MUTE_SFT);
 733                 regmap_write(rt700->regmap,
 734                         RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
 735                 usleep_range(50000, 55000);
 736                 break;
 737         }
 738         return 0;
 739 }
 740
 741 static int rt700_spk_pga_event(struct snd_soc_dapm_widget *w,
 742         struct snd_kcontrol *kcontrol, int event)
 743 {
 744         struct snd_soc_component *component =
 745                 snd_soc_dapm_to_component(w->dapm);
 746         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 747         unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
 748         unsigned int val_l;
 749
 750         switch (event) {
 751         case SND_SOC_DAPM_POST_PMU:
 752                 val_l = 0x00;
 753                 regmap_write(rt700->regmap,
 754                         RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
 755                 break;
 756         case SND_SOC_DAPM_PRE_PMD:
 757                 val_l = (1 << RT700_MUTE_SFT);
 758                 regmap_write(rt700->regmap,
 759                         RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
 760                 break;
 761         }
 762         return 0;
 763 }
 764
 765 static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {
 766         SND_SOC_DAPM_OUTPUT("HP"),
 767         SND_SOC_DAPM_OUTPUT("SPK"),
 768         SND_SOC_DAPM_INPUT("DMIC1"),
 769         SND_SOC_DAPM_INPUT("DMIC2"),
 770         SND_SOC_DAPM_INPUT("MIC2"),
 771         SND_SOC_DAPM_INPUT("LINE1"),
 772         SND_SOC_DAPM_INPUT("LINE2"),
 773         SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,
 774                 rt700_dac_front_event,
 775                 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 776         SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,
 777                 rt700_dac_surround_event,
 778                 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 779         SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,
 780                 rt700_hpo_mux_event,
 781                 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 782         SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
 783                 rt700_spk_pga_event,
 784                 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 785         SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,
 786                 rt700_adc_09_event,
 787                 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 788         SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,
 789                 rt700_adc_08_event,
 790                 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 791         SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
 792                 &rt700_adc22_mux),
 793         SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
 794                 &rt700_adc23_mux),
 795         SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
 796         SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),
 797         SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
 798         SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
 799 };
 800
 801 static const struct snd_soc_dapm_route rt700_audio_map[] = {
 802         {"DAC Front", NULL, "DP1RX"},
 803         {"DAC Surround", NULL, "DP3RX"},
 804         {"DP2TX", NULL, "ADC 09"},
 805         {"DP4TX", NULL, "ADC 08"},
 806         {"ADC 09", NULL, "ADC 22 Mux"},
 807         {"ADC 08", NULL, "ADC 23 Mux"},
 808         {"ADC 22 Mux", "DMIC", "DMIC1"},
 809         {"ADC 22 Mux", "LINE1", "LINE1"},
 810         {"ADC 22 Mux", "LINE2", "LINE2"},
 811         {"ADC 22 Mux", "MIC2", "MIC2"},
 812         {"ADC 23 Mux", "DMIC", "DMIC2"},
 813         {"ADC 23 Mux", "LINE1", "LINE1"},
 814         {"ADC 23 Mux", "LINE2", "LINE2"},
 815         {"ADC 23 Mux", "MIC2", "MIC2"},
 816         {"HPO Mux", "Front", "DAC Front"},
 817         {"HPO Mux", "Surround", "DAC Surround"},
 818         {"HP", NULL, "HPO Mux"},
 819         {"SPK PGA", NULL, "DAC Front"},
 820         {"SPK", NULL, "SPK PGA"},
 821 };
 822
 823 static int rt700_probe(struct snd_soc_component *component)
 824 {
 825         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 826         int ret;
 827
 828         rt700->component = component;
 829
 830         if (!rt700->first_hw_init)
 831                 return 0;
 832
 833         ret = pm_runtime_resume(component->dev);
 834         if (ret < 0 && ret != -EACCES)
 835                 return ret;
 836
 837         return 0;
 838 }
 839
 840 static int rt700_set_bias_level(struct snd_soc_component *component,
 841                                 enum snd_soc_bias_level level)
 842 {
 843         struct snd_soc_dapm_context *dapm =
 844                 snd_soc_component_get_dapm(component);
 845         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 846
 847         switch (level) {
 848         case SND_SOC_BIAS_PREPARE:
 849                 if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
 850                         regmap_write(rt700->regmap,
 851                                 RT700_SET_AUDIO_POWER_STATE,
 852                                 AC_PWRST_D0);
 853                 }
 854                 break;
 855
 856         case SND_SOC_BIAS_STANDBY:
 857                 regmap_write(rt700->regmap,
 858                         RT700_SET_AUDIO_POWER_STATE,
 859                         AC_PWRST_D3);
 860                 break;
 861
 862         default:
 863                 break;
 864         }
 865         dapm->bias_level = level;
 866         return 0;
 867 }
 868
 869 static const struct snd_soc_component_driver soc_codec_dev_rt700 = {
 870         .probe = rt700_probe,
 871         .set_bias_level = rt700_set_bias_level,
 872         .controls = rt700_snd_controls,
 873         .num_controls = ARRAY_SIZE(rt700_snd_controls),
 874         .dapm_widgets = rt700_dapm_widgets,
 875         .num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),
 876         .dapm_routes = rt700_audio_map,
 877         .num_dapm_routes = ARRAY_SIZE(rt700_audio_map),
 878         .set_jack = rt700_set_jack_detect,
 879         .endianness = 1,
 880 };
 881
 882 static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
 883                                 int direction)
 884 {
 885         snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
 886
 887         return 0;
 888 }
 889
 890 static void rt700_shutdown(struct snd_pcm_substream *substream,
 891                                 struct snd_soc_dai *dai)
 892 {
 893         snd_soc_dai_set_dma_data(dai, substream, NULL);
 894 }
 895
 896 static int rt700_pcm_hw_params(struct snd_pcm_substream *substream,
 897                                         struct snd_pcm_hw_params *params,
 898                                         struct snd_soc_dai *dai)
 899 {
 900         struct snd_soc_component *component = dai->component;
 901         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 902         struct sdw_stream_config stream_config = {0};
 903         struct sdw_port_config port_config = {0};
 904         struct sdw_stream_runtime *sdw_stream;
 905         int retval;
 906         unsigned int val = 0;
 907
 908         dev_dbg(dai->dev, "%s %s", __func__, dai->name);
 909         sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
 910
 911         if (!sdw_stream)
 912                 return -EINVAL;
 913
 914         if (!rt700->slave)
 915                 return -EINVAL;
 916
 917         /* SoundWire specific configuration */
 918         snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
 919
 920         /* This code assumes port 1 for playback and port 2 for capture */
 921         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 922                 port_config.num = 1;
 923         else
 924                 port_config.num = 2;
 925
 926         switch (dai->id) {
 927         case RT700_AIF1:
 928                 break;
 929         case RT700_AIF2:
 930                 port_config.num += 2;
 931                 break;
 932         default:
 933                 dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
 934                 return -EINVAL;
 935         }
 936
 937         retval = sdw_stream_add_slave(rt700->slave, &stream_config,
 938                                         &port_config, 1, sdw_stream);
 939         if (retval) {
 940                 dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
 941                 return retval;
 942         }
 943
 944         if (params_channels(params) <= 16) {
 945                 /* bit 3:0 Number of Channel */
 946                 val |= (params_channels(params) - 1);
 947         } else {
 948                 dev_err(component->dev, "%s: Unsupported channels %d\n",
 949                         __func__, params_channels(params));
 950                 return -EINVAL;
 951         }
 952
 953         switch (params_width(params)) {
 954         /* bit 6:4 Bits per Sample */
 955         case 8:
 956                 break;
 957         case 16:
 958                 val |= (0x1 << 4);
 959                 break;
 960         case 20:
 961                 val |= (0x2 << 4);
 962                 break;
 963         case 24:
 964                 val |= (0x3 << 4);
 965                 break;
 966         case 32:
 967                 val |= (0x4 << 4);
 968                 break;
 969         default:
 970                 return -EINVAL;
 971         }
 972
 973         /* 48Khz */
 974         regmap_write(rt700->regmap, RT700_DAC_FORMAT_H, val);
 975         regmap_write(rt700->regmap, RT700_ADC_FORMAT_H, val);
 976
 977         return retval;
 978 }
 979
 980 static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
 981                                 struct snd_soc_dai *dai)
 982 {
 983         struct snd_soc_component *component = dai->component;
 984         struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
 985         struct sdw_stream_runtime *sdw_stream =
 986                 snd_soc_dai_get_dma_data(dai, substream);
 987
 988         if (!rt700->slave)
 989                 return -EINVAL;
 990
 991         sdw_stream_remove_slave(rt700->slave, sdw_stream);
 992         return 0;
 993 }
 994
 995 #define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
 996 #define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 997                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 998
 999 static const struct snd_soc_dai_ops rt700_ops = {
1000         .hw_params      = rt700_pcm_hw_params,
1001         .hw_free        = rt700_pcm_hw_free,
1002         .set_stream     = rt700_set_sdw_stream,
1003         .shutdown       = rt700_shutdown,
1004 };
1005
1006 static struct snd_soc_dai_driver rt700_dai[] = {
1007         {
1008                 .name = "rt700-aif1",
1009                 .id = RT700_AIF1,
1010                 .playback = {
1011                         .stream_name = "DP1 Playback",
1012                         .channels_min = 1,
1013                         .channels_max = 2,
1014                         .rates = RT700_STEREO_RATES,
1015                         .formats = RT700_FORMATS,
1016                 },
1017                 .capture = {
1018                         .stream_name = "DP2 Capture",
1019                         .channels_min = 1,
1020                         .channels_max = 2,
1021                         .rates = RT700_STEREO_RATES,
1022                         .formats = RT700_FORMATS,
1023                 },
1024                 .ops = &rt700_ops,
1025         },
1026         {
1027                 .name = "rt700-aif2",
1028                 .id = RT700_AIF2,
1029                 .playback = {
1030                         .stream_name = "DP3 Playback",
1031                         .channels_min = 1,
1032                         .channels_max = 2,
1033                         .rates = RT700_STEREO_RATES,
1034                         .formats = RT700_FORMATS,
1035                 },
1036                 .capture = {
1037                         .stream_name = "DP4 Capture",
1038                         .channels_min = 1,
1039                         .channels_max = 2,
1040                         .rates = RT700_STEREO_RATES,
1041                         .formats = RT700_FORMATS,
1042                 },
1043                 .ops = &rt700_ops,
1044         },
1045 };
1046
1047 /* Bus clock frequency */
1048 #define RT700_CLK_FREQ_9600000HZ 9600000
1049 #define RT700_CLK_FREQ_12000000HZ 12000000
1050 #define RT700_CLK_FREQ_6000000HZ 6000000
1051 #define RT700_CLK_FREQ_4800000HZ 4800000
1052 #define RT700_CLK_FREQ_2400000HZ 2400000
1053 #define RT700_CLK_FREQ_12288000HZ 12288000
1054
1055 int rt700_clock_config(struct device *dev)
1056 {
1057         struct rt700_priv *rt700 = dev_get_drvdata(dev);
1058         unsigned int clk_freq, value;
1059
1060         clk_freq = (rt700->params.curr_dr_freq >> 1);
1061
1062         switch (clk_freq) {
1063         case RT700_CLK_FREQ_12000000HZ:
1064                 value = 0x0;
1065                 break;
1066         case RT700_CLK_FREQ_6000000HZ:
1067                 value = 0x1;
1068                 break;
1069         case RT700_CLK_FREQ_9600000HZ:
1070                 value = 0x2;
1071                 break;
1072         case RT700_CLK_FREQ_4800000HZ:
1073                 value = 0x3;
1074                 break;
1075         case RT700_CLK_FREQ_2400000HZ:
1076                 value = 0x4;
1077                 break;
1078         case RT700_CLK_FREQ_12288000HZ:
1079                 value = 0x5;
1080                 break;
1081         default:
1082                 return -EINVAL;
1083         }
1084
1085         regmap_write(rt700->regmap, 0xe0, value);
1086         regmap_write(rt700->regmap, 0xf0, value);
1087
1088         dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
1089
1090         return 0;
1091 }
1092
1093 int rt700_init(struct device *dev, struct regmap *sdw_regmap,
1094                         struct regmap *regmap, struct sdw_slave *slave)
1095
1096 {
1097         struct rt700_priv *rt700;
1098         int ret;
1099
1100         rt700 = devm_kzalloc(dev, sizeof(*rt700), GFP_KERNEL);
1101         if (!rt700)
1102                 return -ENOMEM;
1103
1104         dev_set_drvdata(dev, rt700);
1105         rt700->slave = slave;
1106         rt700->sdw_regmap = sdw_regmap;
1107         rt700->regmap = regmap;
1108
1109         regcache_cache_only(rt700->regmap, true);
1110
1111         mutex_init(&rt700->disable_irq_lock);
1112
1113         INIT_DELAYED_WORK(&rt700->jack_detect_work,
1114                           rt700_jack_detect_handler);
1115         INIT_DELAYED_WORK(&rt700->jack_btn_check_work,
1116                           rt700_btn_check_handler);
1117
1118         /*
1119          * Mark hw_init to false
1120          * HW init will be performed when device reports present
1121          */
1122         rt700->hw_init = false;
1123         rt700->first_hw_init = false;
1124
1125         ret =  devm_snd_soc_register_component(dev,
1126                                 &soc_codec_dev_rt700,
1127                                 rt700_dai,
1128                                 ARRAY_SIZE(rt700_dai));
1129         if (ret < 0)
1130                 return ret;
1131
1132         /* set autosuspend parameters */
1133         pm_runtime_set_autosuspend_delay(dev, 3000);
1134         pm_runtime_use_autosuspend(dev);
1135
1136         /* make sure the device does not suspend immediately */
1137         pm_runtime_mark_last_busy(dev);
1138
1139         pm_runtime_enable(dev);
1140
1141         /* important note: the device is NOT tagged as 'active' and will remain
1142          * 'suspended' until the hardware is enumerated/initialized. This is required
1143          * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
1144          * fail with -EACCESS because of race conditions between card creation and enumeration
1145          */
1146         dev_dbg(&slave->dev, "%s\n", __func__);
1147
1148         return 0;
1149 }
1150
1151 int rt700_io_init(struct device *dev, struct sdw_slave *slave)
1152 {
1153         struct rt700_priv *rt700 = dev_get_drvdata(dev);
1154
1155         rt700->disable_irq = false;
1156
1157         if (rt700->hw_init)
1158                 return 0;
1159
1160         regcache_cache_only(rt700->regmap, false);
1161         if (rt700->first_hw_init)
1162                 regcache_cache_bypass(rt700->regmap, true);
1163
1164         /*
1165          * PM runtime is only enabled when a Slave reports as Attached
1166          */
1167         if (!rt700->first_hw_init)
1168                 /* PM runtime status is marked as 'active' only when a Slave reports as Attached */
1169                 pm_runtime_set_active(&slave->dev);
1170
1171         pm_runtime_get_noresume(&slave->dev);
1172
1173         /* reset */
1174         regmap_write(rt700->regmap, 0xff01, 0x0000);
1175         regmap_write(rt700->regmap, 0x7520, 0x001a);
1176         regmap_write(rt700->regmap, 0x7420, 0xc003);
1177
1178         /* power on */
1179         regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
1180         /* Set Pin Widget */
1181         regmap_write(rt700->regmap, RT700_SET_PIN_HP, 0x40);
1182         regmap_write(rt700->regmap, RT700_SET_PIN_SPK, 0x40);
1183         regmap_write(rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);
1184         regmap_write(rt700->regmap, RT700_SET_PIN_DMIC1, 0x20);
1185         regmap_write(rt700->regmap, RT700_SET_PIN_DMIC2, 0x20);
1186         regmap_write(rt700->regmap, RT700_SET_PIN_MIC2, 0x20);
1187
1188         /* Set Configuration Default */
1189         regmap_write(rt700->regmap, 0x4f12, 0x91);
1190         regmap_write(rt700->regmap, 0x4e12, 0xd6);
1191         regmap_write(rt700->regmap, 0x4d12, 0x11);
1192         regmap_write(rt700->regmap, 0x4c12, 0x20);
1193         regmap_write(rt700->regmap, 0x4f13, 0x91);
1194         regmap_write(rt700->regmap, 0x4e13, 0xd6);
1195         regmap_write(rt700->regmap, 0x4d13, 0x11);
1196         regmap_write(rt700->regmap, 0x4c13, 0x21);
1197
1198         regmap_write(rt700->regmap, 0x4f19, 0x02);
1199         regmap_write(rt700->regmap, 0x4e19, 0xa1);
1200         regmap_write(rt700->regmap, 0x4d19, 0x90);
1201         regmap_write(rt700->regmap, 0x4c19, 0x80);
1202
1203         /* Enable Line2 */
1204         regmap_write(rt700->regmap,  0x371b, 0x40);
1205         regmap_write(rt700->regmap,  0x731b, 0xb0);
1206         regmap_write(rt700->regmap,  0x839b, 0x00);
1207
1208         /* Set index */
1209         rt700_index_write(rt700->regmap, 0x4a, 0x201b);
1210         rt700_index_write(rt700->regmap, 0x45, 0x5089);
1211         rt700_index_write(rt700->regmap, 0x6b, 0x5064);
1212         rt700_index_write(rt700->regmap, 0x48, 0xd249);
1213
1214         /* Finish Initial Settings, set power to D3 */
1215         regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
1216
1217         /*
1218          * if set_jack callback occurred early than io_init,
1219          * we set up the jack detection function now
1220          */
1221         if (rt700->hs_jack)
1222                 rt700_jack_init(rt700);
1223
1224         if (rt700->first_hw_init) {
1225                 regcache_cache_bypass(rt700->regmap, false);
1226                 regcache_mark_dirty(rt700->regmap);
1227         } else
1228                 rt700->first_hw_init = true;
1229
1230         /* Mark Slave initialization complete */
1231         rt700->hw_init = true;
1232
1233         pm_runtime_mark_last_busy(&slave->dev);
1234         pm_runtime_put_autosuspend(&slave->dev);
1235
1236         dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
1237
1238         return 0;
1239 }
1240
1241 MODULE_DESCRIPTION("ASoC RT700 driver SDW");
1242 MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
1243 MODULE_LICENSE("GPL v2");