sound/soc/intel/boards/skl_nau88l25_max98357a.c

   1 /*
   2  * Intel Skylake I2S Machine Driver with MAXIM98357A
   3  * and NAU88L25
   4  *
   5  * Copyright (C) 2015, Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License version
   9  * 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <linux/module.h>
  18 #include <linux/platform_device.h>
  19 #include <sound/core.h>
  20 #include <sound/jack.h>
  21 #include <sound/pcm.h>
  22 #include <sound/pcm_params.h>
  23 #include <sound/soc.h>
  24 #include "../../codecs/nau8825.h"
  25 #include "../../codecs/hdac_hdmi.h"
  26 #include "../skylake/skl.h"
  27
  28 #define SKL_NUVOTON_CODEC_DAI   "nau8825-hifi"
  29 #define SKL_MAXIM_CODEC_DAI "HiFi"
  30 #define DMIC_CH(p)     p->list[p->count-1]
  31
  32 static struct snd_soc_jack skylake_headset;
  33 static struct snd_soc_card skylake_audio_card;
  34 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
  35 static struct snd_soc_jack skylake_hdmi[3];
  36
  37 struct skl_hdmi_pcm {
  38         struct list_head head;
  39         struct snd_soc_dai *codec_dai;
  40         int device;
  41 };
  42
  43 struct skl_nau8825_private {
  44         struct list_head hdmi_pcm_list;
  45 };
  46
  47 enum {
  48         SKL_DPCM_AUDIO_PB = 0,
  49         SKL_DPCM_AUDIO_CP,
  50         SKL_DPCM_AUDIO_REF_CP,
  51         SKL_DPCM_AUDIO_DMIC_CP,
  52         SKL_DPCM_AUDIO_HDMI1_PB,
  53         SKL_DPCM_AUDIO_HDMI2_PB,
  54         SKL_DPCM_AUDIO_HDMI3_PB,
  55 };
  56
  57 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
  58 {
  59         struct snd_soc_pcm_runtime *rtd;
  60
  61         list_for_each_entry(rtd, &card->rtd_list, list) {
  62
  63                 if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
  64                              strlen(SKL_NUVOTON_CODEC_DAI)))
  65                         return rtd->codec_dai;
  66         }
  67
  68         return NULL;
  69 }
  70
  71 static int platform_clock_control(struct snd_soc_dapm_widget *w,
  72         struct snd_kcontrol *k, int  event)
  73 {
  74         struct snd_soc_dapm_context *dapm = w->dapm;
  75         struct snd_soc_card *card = dapm->card;
  76         struct snd_soc_dai *codec_dai;
  77         int ret;
  78
  79         codec_dai = skl_get_codec_dai(card);
  80         if (!codec_dai) {
  81                 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
  82                 return -EIO;
  83         }
  84
  85         if (SND_SOC_DAPM_EVENT_ON(event)) {
  86                 ret = snd_soc_dai_set_sysclk(codec_dai,
  87                                 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
  88                 if (ret < 0) {
  89                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  90                         return -EIO;
  91                 }
  92         } else {
  93                 ret = snd_soc_dai_set_sysclk(codec_dai,
  94                                 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
  95                 if (ret < 0) {
  96                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  97                         return -EIO;
  98                 }
  99         }
 100
 101         return ret;
 102 }
 103
 104 static const struct snd_kcontrol_new skylake_controls[] = {
 105         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 106         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 107         SOC_DAPM_PIN_SWITCH("Spk"),
 108 };
 109
 110 static const struct snd_soc_dapm_widget skylake_widgets[] = {
 111         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 112         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 113         SND_SOC_DAPM_SPK("Spk", NULL),
 114         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 115         SND_SOC_DAPM_SPK("DP1", NULL),
 116         SND_SOC_DAPM_SPK("DP2", NULL),
 117         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 118                         platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 119                         SND_SOC_DAPM_POST_PMD),
 120 };
 121
 122 static const struct snd_soc_dapm_route skylake_map[] = {
 123         /* HP jack connectors - unknown if we have jack detection */
 124         { "Headphone Jack", NULL, "HPOL" },
 125         { "Headphone Jack", NULL, "HPOR" },
 126
 127         /* speaker */
 128         { "Spk", NULL, "Speaker" },
 129
 130         /* other jacks */
 131         { "MIC", NULL, "Headset Mic" },
 132         { "DMic", NULL, "SoC DMIC" },
 133
 134         /* CODEC BE connections */
 135         { "HiFi Playback", NULL, "ssp0 Tx" },
 136         { "ssp0 Tx", NULL, "codec0_out" },
 137
 138         { "Playback", NULL, "ssp1 Tx" },
 139         { "ssp1 Tx", NULL, "codec1_out" },
 140
 141         { "codec0_in", NULL, "ssp1 Rx" },
 142         { "ssp1 Rx", NULL, "Capture" },
 143
 144         /* DMIC */
 145         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 146         { "DMIC01 Rx", NULL, "DMIC AIF" },
 147
 148         { "hifi3", NULL, "iDisp3 Tx"},
 149         { "iDisp3 Tx", NULL, "iDisp3_out"},
 150         { "hifi2", NULL, "iDisp2 Tx"},
 151         { "iDisp2 Tx", NULL, "iDisp2_out"},
 152         { "hifi1", NULL, "iDisp1 Tx"},
 153         { "iDisp1 Tx", NULL, "iDisp1_out"},
 154
 155         { "Headphone Jack", NULL, "Platform Clock" },
 156         { "Headset Mic", NULL, "Platform Clock" },
 157 };
 158
 159 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 160         struct snd_pcm_hw_params *params)
 161 {
 162         struct snd_interval *rate = hw_param_interval(params,
 163                         SNDRV_PCM_HW_PARAM_RATE);
 164         struct snd_interval *channels = hw_param_interval(params,
 165                         SNDRV_PCM_HW_PARAM_CHANNELS);
 166         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 167
 168         /* The ADSP will covert the FE rate to 48k, stereo */
 169         rate->min = rate->max = 48000;
 170         channels->min = channels->max = 2;
 171
 172         /* set SSP0 to 24 bit */
 173         snd_mask_none(fmt);
 174         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 175
 176         return 0;
 177 }
 178
 179 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 180 {
 181         int ret;
 182         struct snd_soc_codec *codec = rtd->codec;
 183
 184         /*
 185          * Headset buttons map to the google Reference headset.
 186          * These can be configured by userspace.
 187          */
 188         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 189                         SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 190                         SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 191                         NULL, 0);
 192         if (ret) {
 193                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 194                 return ret;
 195         }
 196
 197         nau8825_enable_jack_detect(codec, &skylake_headset);
 198
 199         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 200
 201         return ret;
 202 }
 203
 204 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 205 {
 206         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 207         struct snd_soc_dai *dai = rtd->codec_dai;
 208         struct skl_hdmi_pcm *pcm;
 209
 210         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 211         if (!pcm)
 212                 return -ENOMEM;
 213
 214         pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
 215         pcm->codec_dai = dai;
 216
 217         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 218
 219         return 0;
 220 }
 221
 222 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 223 {
 224         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 225         struct snd_soc_dai *dai = rtd->codec_dai;
 226         struct skl_hdmi_pcm *pcm;
 227
 228         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 229         if (!pcm)
 230                 return -ENOMEM;
 231
 232         pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
 233         pcm->codec_dai = dai;
 234
 235         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 236
 237         return 0;
 238 }
 239
 240 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
 241 {
 242         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 243         struct snd_soc_dai *dai = rtd->codec_dai;
 244         struct skl_hdmi_pcm *pcm;
 245
 246         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 247         if (!pcm)
 248                 return -ENOMEM;
 249
 250         pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
 251         pcm->codec_dai = dai;
 252
 253         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 254
 255         return 0;
 256 }
 257
 258 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 259 {
 260         struct snd_soc_dapm_context *dapm;
 261         struct snd_soc_component *component = rtd->cpu_dai->component;
 262
 263         dapm = snd_soc_component_get_dapm(component);
 264         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 265
 266         return 0;
 267 }
 268
 269 static const unsigned int rates[] = {
 270         48000,
 271 };
 272
 273 static const struct snd_pcm_hw_constraint_list constraints_rates = {
 274         .count = ARRAY_SIZE(rates),
 275         .list  = rates,
 276         .mask = 0,
 277 };
 278
 279 static const unsigned int channels[] = {
 280         2,
 281 };
 282
 283 static const struct snd_pcm_hw_constraint_list constraints_channels = {
 284         .count = ARRAY_SIZE(channels),
 285         .list = channels,
 286         .mask = 0,
 287 };
 288
 289 static int skl_fe_startup(struct snd_pcm_substream *substream)
 290 {
 291         struct snd_pcm_runtime *runtime = substream->runtime;
 292
 293         /*
 294          * On this platform for PCM device we support,
 295          * 48Khz
 296          * stereo
 297          * 16 bit audio
 298          */
 299
 300         runtime->hw.channels_max = 2;
 301         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 302                                            &constraints_channels);
 303
 304         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 305         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 306
 307         snd_pcm_hw_constraint_list(runtime, 0,
 308                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 309
 310         return 0;
 311 }
 312
 313 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
 314         .startup = skl_fe_startup,
 315 };
 316
 317 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 318         struct snd_pcm_hw_params *params)
 319 {
 320         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 321         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 322         int ret;
 323
 324         ret = snd_soc_dai_set_sysclk(codec_dai,
 325                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 326
 327         if (ret < 0)
 328                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 329
 330         return ret;
 331 }
 332
 333 static const struct snd_soc_ops skylake_nau8825_ops = {
 334         .hw_params = skylake_nau8825_hw_params,
 335 };
 336
 337 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 338                 struct snd_pcm_hw_params *params)
 339 {
 340         struct snd_interval *channels = hw_param_interval(params,
 341                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 342
 343         if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
 344                 channels->min = channels->max = 2;
 345         else
 346                 channels->min = channels->max = 4;
 347
 348         return 0;
 349 }
 350
 351 static const unsigned int channels_dmic[] = {
 352         2, 4,
 353 };
 354
 355 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 356         .count = ARRAY_SIZE(channels_dmic),
 357         .list = channels_dmic,
 358         .mask = 0,
 359 };
 360
 361 static const unsigned int dmic_2ch[] = {
 362         2,
 363 };
 364
 365 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
 366         .count = ARRAY_SIZE(dmic_2ch),
 367         .list = dmic_2ch,
 368         .mask = 0,
 369 };
 370
 371 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 372 {
 373         struct snd_pcm_runtime *runtime = substream->runtime;
 374
 375         runtime->hw.channels_max = DMIC_CH(dmic_constraints);
 376         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 377                         dmic_constraints);
 378
 379         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 380                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 381 }
 382
 383 static const struct snd_soc_ops skylake_dmic_ops = {
 384         .startup = skylake_dmic_startup,
 385 };
 386
 387 static const unsigned int rates_16000[] = {
 388         16000,
 389 };
 390
 391 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
 392         .count = ARRAY_SIZE(rates_16000),
 393         .list  = rates_16000,
 394 };
 395
 396 static const unsigned int ch_mono[] = {
 397         1,
 398 };
 399
 400 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
 401         .count = ARRAY_SIZE(ch_mono),
 402         .list  = ch_mono,
 403 };
 404
 405 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 406 {
 407         substream->runtime->hw.channels_max = 1;
 408         snd_pcm_hw_constraint_list(substream->runtime, 0,
 409                                         SNDRV_PCM_HW_PARAM_CHANNELS,
 410                                         &constraints_refcap);
 411
 412         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 413                                 SNDRV_PCM_HW_PARAM_RATE,
 414                                 &constraints_16000);
 415 }
 416
 417 static const struct snd_soc_ops skylaye_refcap_ops = {
 418         .startup = skylake_refcap_startup,
 419 };
 420
 421 /* skylake digital audio interface glue - connects codec <--> CPU */
 422 static struct snd_soc_dai_link skylake_dais[] = {
 423         /* Front End DAI links */
 424         [SKL_DPCM_AUDIO_PB] = {
 425                 .name = "Skl Audio Port",
 426                 .stream_name = "Audio",
 427                 .cpu_dai_name = "System Pin",
 428                 .platform_name = "0000:00:1f.3",
 429                 .dynamic = 1,
 430                 .codec_name = "snd-soc-dummy",
 431                 .codec_dai_name = "snd-soc-dummy-dai",
 432                 .nonatomic = 1,
 433                 .init = skylake_nau8825_fe_init,
 434                 .trigger = {
 435                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 436                 .dpcm_playback = 1,
 437                 .ops = &skylake_nau8825_fe_ops,
 438         },
 439         [SKL_DPCM_AUDIO_CP] = {
 440                 .name = "Skl Audio Capture Port",
 441                 .stream_name = "Audio Record",
 442                 .cpu_dai_name = "System Pin",
 443                 .platform_name = "0000:00:1f.3",
 444                 .dynamic = 1,
 445                 .codec_name = "snd-soc-dummy",
 446                 .codec_dai_name = "snd-soc-dummy-dai",
 447                 .nonatomic = 1,
 448                 .trigger = {
 449                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 450                 .dpcm_capture = 1,
 451                 .ops = &skylake_nau8825_fe_ops,
 452         },
 453         [SKL_DPCM_AUDIO_REF_CP] = {
 454                 .name = "Skl Audio Reference cap",
 455                 .stream_name = "Wake on Voice",
 456                 .cpu_dai_name = "Reference Pin",
 457                 .codec_name = "snd-soc-dummy",
 458                 .codec_dai_name = "snd-soc-dummy-dai",
 459                 .platform_name = "0000:00:1f.3",
 460                 .init = NULL,
 461                 .dpcm_capture = 1,
 462                 .nonatomic = 1,
 463                 .dynamic = 1,
 464                 .ops = &skylaye_refcap_ops,
 465         },
 466         [SKL_DPCM_AUDIO_DMIC_CP] = {
 467                 .name = "Skl Audio DMIC cap",
 468                 .stream_name = "dmiccap",
 469                 .cpu_dai_name = "DMIC Pin",
 470                 .codec_name = "snd-soc-dummy",
 471                 .codec_dai_name = "snd-soc-dummy-dai",
 472                 .platform_name = "0000:00:1f.3",
 473                 .init = NULL,
 474                 .dpcm_capture = 1,
 475                 .nonatomic = 1,
 476                 .dynamic = 1,
 477                 .ops = &skylake_dmic_ops,
 478         },
 479         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 480                 .name = "Skl HDMI Port1",
 481                 .stream_name = "Hdmi1",
 482                 .cpu_dai_name = "HDMI1 Pin",
 483                 .codec_name = "snd-soc-dummy",
 484                 .codec_dai_name = "snd-soc-dummy-dai",
 485                 .platform_name = "0000:00:1f.3",
 486                 .dpcm_playback = 1,
 487                 .init = NULL,
 488                 .trigger = {
 489                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 490                 .nonatomic = 1,
 491                 .dynamic = 1,
 492         },
 493         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 494                 .name = "Skl HDMI Port2",
 495                 .stream_name = "Hdmi2",
 496                 .cpu_dai_name = "HDMI2 Pin",
 497                 .codec_name = "snd-soc-dummy",
 498                 .codec_dai_name = "snd-soc-dummy-dai",
 499                 .platform_name = "0000:00:1f.3",
 500                 .dpcm_playback = 1,
 501                 .init = NULL,
 502                 .trigger = {
 503                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 504                 .nonatomic = 1,
 505                 .dynamic = 1,
 506         },
 507         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 508                 .name = "Skl HDMI Port3",
 509                 .stream_name = "Hdmi3",
 510                 .cpu_dai_name = "HDMI3 Pin",
 511                 .codec_name = "snd-soc-dummy",
 512                 .codec_dai_name = "snd-soc-dummy-dai",
 513                 .platform_name = "0000:00:1f.3",
 514                 .trigger = {
 515                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 516                 .dpcm_playback = 1,
 517                 .init = NULL,
 518                 .nonatomic = 1,
 519                 .dynamic = 1,
 520         },
 521
 522         /* Back End DAI links */
 523         {
 524                 /* SSP0 - Codec */
 525                 .name = "SSP0-Codec",
 526                 .id = 0,
 527                 .cpu_dai_name = "SSP0 Pin",
 528                 .platform_name = "0000:00:1f.3",
 529                 .no_pcm = 1,
 530                 .codec_name = "MX98357A:00",
 531                 .codec_dai_name = SKL_MAXIM_CODEC_DAI,
 532                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 533                         SND_SOC_DAIFMT_NB_NF |
 534                         SND_SOC_DAIFMT_CBS_CFS,
 535                 .ignore_pmdown_time = 1,
 536                 .be_hw_params_fixup = skylake_ssp_fixup,
 537                 .dpcm_playback = 1,
 538         },
 539         {
 540                 /* SSP1 - Codec */
 541                 .name = "SSP1-Codec",
 542                 .id = 1,
 543                 .cpu_dai_name = "SSP1 Pin",
 544                 .platform_name = "0000:00:1f.3",
 545                 .no_pcm = 1,
 546                 .codec_name = "i2c-10508825:00",
 547                 .codec_dai_name = SKL_NUVOTON_CODEC_DAI,
 548                 .init = skylake_nau8825_codec_init,
 549                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 550                         SND_SOC_DAIFMT_CBS_CFS,
 551                 .ignore_pmdown_time = 1,
 552                 .be_hw_params_fixup = skylake_ssp_fixup,
 553                 .ops = &skylake_nau8825_ops,
 554                 .dpcm_playback = 1,
 555                 .dpcm_capture = 1,
 556         },
 557         {
 558                 .name = "dmic01",
 559                 .id = 2,
 560                 .cpu_dai_name = "DMIC01 Pin",
 561                 .codec_name = "dmic-codec",
 562                 .codec_dai_name = "dmic-hifi",
 563                 .platform_name = "0000:00:1f.3",
 564                 .be_hw_params_fixup = skylake_dmic_fixup,
 565                 .ignore_suspend = 1,
 566                 .dpcm_capture = 1,
 567                 .no_pcm = 1,
 568         },
 569         {
 570                 .name = "iDisp1",
 571                 .id = 3,
 572                 .cpu_dai_name = "iDisp1 Pin",
 573                 .codec_name = "ehdaudio0D2",
 574                 .codec_dai_name = "intel-hdmi-hifi1",
 575                 .platform_name = "0000:00:1f.3",
 576                 .dpcm_playback = 1,
 577                 .init = skylake_hdmi1_init,
 578                 .no_pcm = 1,
 579         },
 580         {
 581                 .name = "iDisp2",
 582                 .id = 4,
 583                 .cpu_dai_name = "iDisp2 Pin",
 584                 .codec_name = "ehdaudio0D2",
 585                 .codec_dai_name = "intel-hdmi-hifi2",
 586                 .platform_name = "0000:00:1f.3",
 587                 .init = skylake_hdmi2_init,
 588                 .dpcm_playback = 1,
 589                 .no_pcm = 1,
 590         },
 591         {
 592                 .name = "iDisp3",
 593                 .id = 5,
 594                 .cpu_dai_name = "iDisp3 Pin",
 595                 .codec_name = "ehdaudio0D2",
 596                 .codec_dai_name = "intel-hdmi-hifi3",
 597                 .platform_name = "0000:00:1f.3",
 598                 .init = skylake_hdmi3_init,
 599                 .dpcm_playback = 1,
 600                 .no_pcm = 1,
 601         },
 602 };
 603
 604 #define NAME_SIZE       32
 605 static int skylake_card_late_probe(struct snd_soc_card *card)
 606 {
 607         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
 608         struct skl_hdmi_pcm *pcm;
 609         struct snd_soc_codec *codec = NULL;
 610         int err, i = 0;
 611         char jack_name[NAME_SIZE];
 612
 613         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 614                 codec = pcm->codec_dai->codec;
 615                 snprintf(jack_name, sizeof(jack_name),
 616                         "HDMI/DP, pcm=%d Jack", pcm->device);
 617                 err = snd_soc_card_jack_new(card, jack_name,
 618                                         SND_JACK_AVOUT,
 619                                         &skylake_hdmi[i],
 620                                         NULL, 0);
 621
 622                 if (err)
 623                         return err;
 624
 625                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 626                                                 &skylake_hdmi[i]);
 627                 if (err < 0)
 628                         return err;
 629
 630                 i++;
 631         }
 632
 633         if (!codec)
 634                 return -EINVAL;
 635
 636         return hdac_hdmi_jack_port_init(codec, &card->dapm);
 637 }
 638
 639 /* skylake audio machine driver for SPT + NAU88L25 */
 640 static struct snd_soc_card skylake_audio_card = {
 641         .name = "sklnau8825max",
 642         .owner = THIS_MODULE,
 643         .dai_link = skylake_dais,
 644         .num_links = ARRAY_SIZE(skylake_dais),
 645         .controls = skylake_controls,
 646         .num_controls = ARRAY_SIZE(skylake_controls),
 647         .dapm_widgets = skylake_widgets,
 648         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 649         .dapm_routes = skylake_map,
 650         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 651         .fully_routed = true,
 652         .late_probe = skylake_card_late_probe,
 653 };
 654
 655 static int skylake_audio_probe(struct platform_device *pdev)
 656 {
 657         struct skl_nau8825_private *ctx;
 658         struct skl_machine_pdata *pdata;
 659
 660         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 661         if (!ctx)
 662                 return -ENOMEM;
 663
 664         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 665
 666         skylake_audio_card.dev = &pdev->dev;
 667         snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
 668
 669         pdata = dev_get_drvdata(&pdev->dev);
 670         if (pdata)
 671                 dmic_constraints = pdata->dmic_num == 2 ?
 672                         &constraints_dmic_2ch : &constraints_dmic_channels;
 673
 674         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 675 }
 676
 677 static const struct platform_device_id skl_board_ids[] = {
 678         { .name = "skl_n88l25_m98357a" },
 679         { .name = "kbl_n88l25_m98357a" },
 680         { }
 681 };
 682
 683 static struct platform_driver skylake_audio = {
 684         .probe = skylake_audio_probe,
 685         .driver = {
 686                 .name = "skl_n88l25_m98357a",
 687                 .pm = &snd_soc_pm_ops,
 688         },
 689         .id_table = skl_board_ids,
 690 };
 691
 692 module_platform_driver(skylake_audio)
 693
 694 /* Module information */
 695 MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
 696 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
 697 MODULE_LICENSE("GPL v2");
 698 MODULE_ALIAS("platform:skl_n88l25_m98357a");
 699 MODULE_ALIAS("platform:kbl_n88l25_m98357a");