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
  36 struct skl_hdmi_pcm {
  37         struct list_head head;
  38         struct snd_soc_dai *codec_dai;
  39         int device;
  40 };
  41
  42 struct skl_nau8825_private {
  43         struct list_head hdmi_pcm_list;
  44 };
  45
  46 enum {
  47         SKL_DPCM_AUDIO_PB = 0,
  48         SKL_DPCM_AUDIO_CP,
  49         SKL_DPCM_AUDIO_REF_CP,
  50         SKL_DPCM_AUDIO_DMIC_CP,
  51         SKL_DPCM_AUDIO_HDMI1_PB,
  52         SKL_DPCM_AUDIO_HDMI2_PB,
  53         SKL_DPCM_AUDIO_HDMI3_PB,
  54 };
  55
  56 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
  57 {
  58         struct snd_soc_pcm_runtime *rtd;
  59
  60         list_for_each_entry(rtd, &card->rtd_list, list) {
  61
  62                 if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
  63                              strlen(SKL_NUVOTON_CODEC_DAI)))
  64                         return rtd->codec_dai;
  65         }
  66
  67         return NULL;
  68 }
  69
  70 static int platform_clock_control(struct snd_soc_dapm_widget *w,
  71         struct snd_kcontrol *k, int  event)
  72 {
  73         struct snd_soc_dapm_context *dapm = w->dapm;
  74         struct snd_soc_card *card = dapm->card;
  75         struct snd_soc_dai *codec_dai;
  76         int ret;
  77
  78         codec_dai = skl_get_codec_dai(card);
  79         if (!codec_dai) {
  80                 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
  81                 return -EIO;
  82         }
  83
  84         if (SND_SOC_DAPM_EVENT_ON(event)) {
  85                 ret = snd_soc_dai_set_sysclk(codec_dai,
  86                                 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
  87                 if (ret < 0) {
  88                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  89                         return -EIO;
  90                 }
  91         } else {
  92                 ret = snd_soc_dai_set_sysclk(codec_dai,
  93                                 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
  94                 if (ret < 0) {
  95                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  96                         return -EIO;
  97                 }
  98         }
  99
 100         return ret;
 101 }
 102
 103 static const struct snd_kcontrol_new skylake_controls[] = {
 104         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 105         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 106         SOC_DAPM_PIN_SWITCH("Spk"),
 107 };
 108
 109 static const struct snd_soc_dapm_widget skylake_widgets[] = {
 110         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 111         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 112         SND_SOC_DAPM_SPK("Spk", NULL),
 113         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 114         SND_SOC_DAPM_SPK("DP", NULL),
 115         SND_SOC_DAPM_SPK("HDMI", NULL),
 116         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 117                         platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 118                         SND_SOC_DAPM_POST_PMD),
 119 };
 120
 121 static const struct snd_soc_dapm_route skylake_map[] = {
 122         /* HP jack connectors - unknown if we have jack detection */
 123         { "Headphone Jack", NULL, "HPOL" },
 124         { "Headphone Jack", NULL, "HPOR" },
 125
 126         /* speaker */
 127         { "Spk", NULL, "Speaker" },
 128
 129         /* other jacks */
 130         { "MIC", NULL, "Headset Mic" },
 131         { "DMic", NULL, "SoC DMIC" },
 132
 133         {"HDMI", NULL, "hif5 Output"},
 134         {"DP", NULL, "hif6 Output"},
 135
 136         /* CODEC BE connections */
 137         { "HiFi Playback", NULL, "ssp0 Tx" },
 138         { "ssp0 Tx", NULL, "codec0_out" },
 139
 140         { "Playback", NULL, "ssp1 Tx" },
 141         { "ssp1 Tx", NULL, "codec1_out" },
 142
 143         { "codec0_in", NULL, "ssp1 Rx" },
 144         { "ssp1 Rx", NULL, "Capture" },
 145
 146         /* DMIC */
 147         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 148         { "DMIC01 Rx", NULL, "DMIC AIF" },
 149
 150         { "hifi3", NULL, "iDisp3 Tx"},
 151         { "iDisp3 Tx", NULL, "iDisp3_out"},
 152         { "hifi2", NULL, "iDisp2 Tx"},
 153         { "iDisp2 Tx", NULL, "iDisp2_out"},
 154         { "hifi1", NULL, "iDisp1 Tx"},
 155         { "iDisp1 Tx", NULL, "iDisp1_out"},
 156
 157         { "Headphone Jack", NULL, "Platform Clock" },
 158         { "Headset Mic", NULL, "Platform Clock" },
 159 };
 160
 161 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 162         struct snd_pcm_hw_params *params)
 163 {
 164         struct snd_interval *rate = hw_param_interval(params,
 165                         SNDRV_PCM_HW_PARAM_RATE);
 166         struct snd_interval *channels = hw_param_interval(params,
 167                         SNDRV_PCM_HW_PARAM_CHANNELS);
 168         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 169
 170         /* The ADSP will covert the FE rate to 48k, stereo */
 171         rate->min = rate->max = 48000;
 172         channels->min = channels->max = 2;
 173
 174         /* set SSP0 to 24 bit */
 175         snd_mask_none(fmt);
 176         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 177
 178         return 0;
 179 }
 180
 181 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 182 {
 183         int ret;
 184         struct snd_soc_codec *codec = rtd->codec;
 185
 186         /*
 187          * Headset buttons map to the google Reference headset.
 188          * These can be configured by userspace.
 189          */
 190         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 191                         SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 192                         SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 193                         NULL, 0);
 194         if (ret) {
 195                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 196                 return ret;
 197         }
 198
 199         nau8825_enable_jack_detect(codec, &skylake_headset);
 200
 201         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 202
 203         return ret;
 204 }
 205
 206 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 207 {
 208         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 209         struct snd_soc_dai *dai = rtd->codec_dai;
 210         struct skl_hdmi_pcm *pcm;
 211
 212         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 213         if (!pcm)
 214                 return -ENOMEM;
 215
 216         pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
 217         pcm->codec_dai = dai;
 218
 219         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 220
 221         return 0;
 222 }
 223
 224 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 225 {
 226         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 227         struct snd_soc_dai *dai = rtd->codec_dai;
 228         struct skl_hdmi_pcm *pcm;
 229
 230         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 231         if (!pcm)
 232                 return -ENOMEM;
 233
 234         pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
 235         pcm->codec_dai = dai;
 236
 237         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 238
 239         return 0;
 240 }
 241
 242 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
 243 {
 244         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 245         struct snd_soc_dai *dai = rtd->codec_dai;
 246         struct skl_hdmi_pcm *pcm;
 247
 248         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 249         if (!pcm)
 250                 return -ENOMEM;
 251
 252         pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
 253         pcm->codec_dai = dai;
 254
 255         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 256
 257         return 0;
 258 }
 259
 260 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 261 {
 262         struct snd_soc_dapm_context *dapm;
 263         struct snd_soc_component *component = rtd->cpu_dai->component;
 264
 265         dapm = snd_soc_component_get_dapm(component);
 266         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 267
 268         return 0;
 269 }
 270
 271 static unsigned int rates[] = {
 272         48000,
 273 };
 274
 275 static struct snd_pcm_hw_constraint_list constraints_rates = {
 276         .count = ARRAY_SIZE(rates),
 277         .list  = rates,
 278         .mask = 0,
 279 };
 280
 281 static unsigned int channels[] = {
 282         2,
 283 };
 284
 285 static struct snd_pcm_hw_constraint_list constraints_channels = {
 286         .count = ARRAY_SIZE(channels),
 287         .list = channels,
 288         .mask = 0,
 289 };
 290
 291 static int skl_fe_startup(struct snd_pcm_substream *substream)
 292 {
 293         struct snd_pcm_runtime *runtime = substream->runtime;
 294
 295         /*
 296          * On this platform for PCM device we support,
 297          * 48Khz
 298          * stereo
 299          * 16 bit audio
 300          */
 301
 302         runtime->hw.channels_max = 2;
 303         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 304                                            &constraints_channels);
 305
 306         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 307         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 308
 309         snd_pcm_hw_constraint_list(runtime, 0,
 310                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 311
 312         return 0;
 313 }
 314
 315 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
 316         .startup = skl_fe_startup,
 317 };
 318
 319 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 320         struct snd_pcm_hw_params *params)
 321 {
 322         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 323         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 324         int ret;
 325
 326         ret = snd_soc_dai_set_sysclk(codec_dai,
 327                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 328
 329         if (ret < 0)
 330                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 331
 332         return ret;
 333 }
 334
 335 static const struct snd_soc_ops skylake_nau8825_ops = {
 336         .hw_params = skylake_nau8825_hw_params,
 337 };
 338
 339 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 340                 struct snd_pcm_hw_params *params)
 341 {
 342         struct snd_interval *channels = hw_param_interval(params,
 343                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 344
 345         if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
 346                 channels->min = channels->max = 2;
 347         else
 348                 channels->min = channels->max = 4;
 349
 350         return 0;
 351 }
 352
 353 static unsigned int channels_dmic[] = {
 354         2, 4,
 355 };
 356
 357 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 358         .count = ARRAY_SIZE(channels_dmic),
 359         .list = channels_dmic,
 360         .mask = 0,
 361 };
 362
 363 static const unsigned int dmic_2ch[] = {
 364         2,
 365 };
 366
 367 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
 368         .count = ARRAY_SIZE(dmic_2ch),
 369         .list = dmic_2ch,
 370         .mask = 0,
 371 };
 372
 373 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 374 {
 375         struct snd_pcm_runtime *runtime = substream->runtime;
 376
 377         runtime->hw.channels_max = DMIC_CH(dmic_constraints);
 378         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 379                         dmic_constraints);
 380
 381         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 382                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 383 }
 384
 385 static const struct snd_soc_ops skylake_dmic_ops = {
 386         .startup = skylake_dmic_startup,
 387 };
 388
 389 static unsigned int rates_16000[] = {
 390         16000,
 391 };
 392
 393 static struct snd_pcm_hw_constraint_list constraints_16000 = {
 394         .count = ARRAY_SIZE(rates_16000),
 395         .list  = rates_16000,
 396 };
 397
 398 static const unsigned int ch_mono[] = {
 399         1,
 400 };
 401
 402 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
 403         .count = ARRAY_SIZE(ch_mono),
 404         .list  = ch_mono,
 405 };
 406
 407 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 408 {
 409         substream->runtime->hw.channels_max = 1;
 410         snd_pcm_hw_constraint_list(substream->runtime, 0,
 411                                         SNDRV_PCM_HW_PARAM_CHANNELS,
 412                                         &constraints_refcap);
 413
 414         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 415                                 SNDRV_PCM_HW_PARAM_RATE,
 416                                 &constraints_16000);
 417 }
 418
 419 static const struct snd_soc_ops skylaye_refcap_ops = {
 420         .startup = skylake_refcap_startup,
 421 };
 422
 423 /* skylake digital audio interface glue - connects codec <--> CPU */
 424 static struct snd_soc_dai_link skylake_dais[] = {
 425         /* Front End DAI links */
 426         [SKL_DPCM_AUDIO_PB] = {
 427                 .name = "Skl Audio Port",
 428                 .stream_name = "Audio",
 429                 .cpu_dai_name = "System Pin",
 430                 .platform_name = "0000:00:1f.3",
 431                 .dynamic = 1,
 432                 .codec_name = "snd-soc-dummy",
 433                 .codec_dai_name = "snd-soc-dummy-dai",
 434                 .nonatomic = 1,
 435                 .init = skylake_nau8825_fe_init,
 436                 .trigger = {
 437                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 438                 .dpcm_playback = 1,
 439                 .ops = &skylake_nau8825_fe_ops,
 440         },
 441         [SKL_DPCM_AUDIO_CP] = {
 442                 .name = "Skl Audio Capture Port",
 443                 .stream_name = "Audio Record",
 444                 .cpu_dai_name = "System Pin",
 445                 .platform_name = "0000:00:1f.3",
 446                 .dynamic = 1,
 447                 .codec_name = "snd-soc-dummy",
 448                 .codec_dai_name = "snd-soc-dummy-dai",
 449                 .nonatomic = 1,
 450                 .trigger = {
 451                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 452                 .dpcm_capture = 1,
 453                 .ops = &skylake_nau8825_fe_ops,
 454         },
 455         [SKL_DPCM_AUDIO_REF_CP] = {
 456                 .name = "Skl Audio Reference cap",
 457                 .stream_name = "Wake on Voice",
 458                 .cpu_dai_name = "Reference Pin",
 459                 .codec_name = "snd-soc-dummy",
 460                 .codec_dai_name = "snd-soc-dummy-dai",
 461                 .platform_name = "0000:00:1f.3",
 462                 .init = NULL,
 463                 .dpcm_capture = 1,
 464                 .nonatomic = 1,
 465                 .dynamic = 1,
 466                 .ops = &skylaye_refcap_ops,
 467         },
 468         [SKL_DPCM_AUDIO_DMIC_CP] = {
 469                 .name = "Skl Audio DMIC cap",
 470                 .stream_name = "dmiccap",
 471                 .cpu_dai_name = "DMIC Pin",
 472                 .codec_name = "snd-soc-dummy",
 473                 .codec_dai_name = "snd-soc-dummy-dai",
 474                 .platform_name = "0000:00:1f.3",
 475                 .init = NULL,
 476                 .dpcm_capture = 1,
 477                 .nonatomic = 1,
 478                 .dynamic = 1,
 479                 .ops = &skylake_dmic_ops,
 480         },
 481         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 482                 .name = "Skl HDMI Port1",
 483                 .stream_name = "Hdmi1",
 484                 .cpu_dai_name = "HDMI1 Pin",
 485                 .codec_name = "snd-soc-dummy",
 486                 .codec_dai_name = "snd-soc-dummy-dai",
 487                 .platform_name = "0000:00:1f.3",
 488                 .dpcm_playback = 1,
 489                 .init = NULL,
 490                 .trigger = {
 491                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 492                 .nonatomic = 1,
 493                 .dynamic = 1,
 494         },
 495         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 496                 .name = "Skl HDMI Port2",
 497                 .stream_name = "Hdmi2",
 498                 .cpu_dai_name = "HDMI2 Pin",
 499                 .codec_name = "snd-soc-dummy",
 500                 .codec_dai_name = "snd-soc-dummy-dai",
 501                 .platform_name = "0000:00:1f.3",
 502                 .dpcm_playback = 1,
 503                 .init = NULL,
 504                 .trigger = {
 505                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 506                 .nonatomic = 1,
 507                 .dynamic = 1,
 508         },
 509         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 510                 .name = "Skl HDMI Port3",
 511                 .stream_name = "Hdmi3",
 512                 .cpu_dai_name = "HDMI3 Pin",
 513                 .codec_name = "snd-soc-dummy",
 514                 .codec_dai_name = "snd-soc-dummy-dai",
 515                 .platform_name = "0000:00:1f.3",
 516                 .trigger = {
 517                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 518                 .dpcm_playback = 1,
 519                 .init = NULL,
 520                 .nonatomic = 1,
 521                 .dynamic = 1,
 522         },
 523
 524         /* Back End DAI links */
 525         {
 526                 /* SSP0 - Codec */
 527                 .name = "SSP0-Codec",
 528                 .id = 0,
 529                 .cpu_dai_name = "SSP0 Pin",
 530                 .platform_name = "0000:00:1f.3",
 531                 .no_pcm = 1,
 532                 .codec_name = "MX98357A:00",
 533                 .codec_dai_name = SKL_MAXIM_CODEC_DAI,
 534                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 535                         SND_SOC_DAIFMT_NB_NF |
 536                         SND_SOC_DAIFMT_CBS_CFS,
 537                 .ignore_pmdown_time = 1,
 538                 .be_hw_params_fixup = skylake_ssp_fixup,
 539                 .dpcm_playback = 1,
 540         },
 541         {
 542                 /* SSP1 - Codec */
 543                 .name = "SSP1-Codec",
 544                 .id = 1,
 545                 .cpu_dai_name = "SSP1 Pin",
 546                 .platform_name = "0000:00:1f.3",
 547                 .no_pcm = 1,
 548                 .codec_name = "i2c-10508825:00",
 549                 .codec_dai_name = SKL_NUVOTON_CODEC_DAI,
 550                 .init = skylake_nau8825_codec_init,
 551                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 552                         SND_SOC_DAIFMT_CBS_CFS,
 553                 .ignore_pmdown_time = 1,
 554                 .be_hw_params_fixup = skylake_ssp_fixup,
 555                 .ops = &skylake_nau8825_ops,
 556                 .dpcm_playback = 1,
 557                 .dpcm_capture = 1,
 558         },
 559         {
 560                 .name = "dmic01",
 561                 .id = 2,
 562                 .cpu_dai_name = "DMIC01 Pin",
 563                 .codec_name = "dmic-codec",
 564                 .codec_dai_name = "dmic-hifi",
 565                 .platform_name = "0000:00:1f.3",
 566                 .be_hw_params_fixup = skylake_dmic_fixup,
 567                 .ignore_suspend = 1,
 568                 .dpcm_capture = 1,
 569                 .no_pcm = 1,
 570         },
 571         {
 572                 .name = "iDisp1",
 573                 .id = 3,
 574                 .cpu_dai_name = "iDisp1 Pin",
 575                 .codec_name = "ehdaudio0D2",
 576                 .codec_dai_name = "intel-hdmi-hifi1",
 577                 .platform_name = "0000:00:1f.3",
 578                 .dpcm_playback = 1,
 579                 .init = skylake_hdmi1_init,
 580                 .no_pcm = 1,
 581         },
 582         {
 583                 .name = "iDisp2",
 584                 .id = 4,
 585                 .cpu_dai_name = "iDisp2 Pin",
 586                 .codec_name = "ehdaudio0D2",
 587                 .codec_dai_name = "intel-hdmi-hifi2",
 588                 .platform_name = "0000:00:1f.3",
 589                 .init = skylake_hdmi2_init,
 590                 .dpcm_playback = 1,
 591                 .no_pcm = 1,
 592         },
 593         {
 594                 .name = "iDisp3",
 595                 .id = 5,
 596                 .cpu_dai_name = "iDisp3 Pin",
 597                 .codec_name = "ehdaudio0D2",
 598                 .codec_dai_name = "intel-hdmi-hifi3",
 599                 .platform_name = "0000:00:1f.3",
 600                 .init = skylake_hdmi3_init,
 601                 .dpcm_playback = 1,
 602                 .no_pcm = 1,
 603         },
 604 };
 605
 606 static int skylake_card_late_probe(struct snd_soc_card *card)
 607 {
 608         struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
 609         struct skl_hdmi_pcm *pcm;
 610         int err;
 611
 612         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 613                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
 614                 if (err < 0)
 615                         return err;
 616         }
 617
 618         return 0;
 619 }
 620
 621 /* skylake audio machine driver for SPT + NAU88L25 */
 622 static struct snd_soc_card skylake_audio_card = {
 623         .name = "sklnau8825max",
 624         .owner = THIS_MODULE,
 625         .dai_link = skylake_dais,
 626         .num_links = ARRAY_SIZE(skylake_dais),
 627         .controls = skylake_controls,
 628         .num_controls = ARRAY_SIZE(skylake_controls),
 629         .dapm_widgets = skylake_widgets,
 630         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 631         .dapm_routes = skylake_map,
 632         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 633         .fully_routed = true,
 634         .late_probe = skylake_card_late_probe,
 635 };
 636
 637 static int skylake_audio_probe(struct platform_device *pdev)
 638 {
 639         struct skl_nau8825_private *ctx;
 640         struct skl_machine_pdata *pdata;
 641
 642         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 643         if (!ctx)
 644                 return -ENOMEM;
 645
 646         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 647
 648         skylake_audio_card.dev = &pdev->dev;
 649         snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
 650
 651         pdata = dev_get_drvdata(&pdev->dev);
 652         if (pdata)
 653                 dmic_constraints = pdata->dmic_num == 2 ?
 654                         &constraints_dmic_2ch : &constraints_dmic_channels;
 655
 656         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 657 }
 658
 659 static const struct platform_device_id skl_board_ids[] = {
 660         { .name = "skl_n88l25_m98357a" },
 661         { .name = "kbl_n88l25_m98357a" },
 662         { }
 663 };
 664
 665 static struct platform_driver skylake_audio = {
 666         .probe = skylake_audio_probe,
 667         .driver = {
 668                 .name = "skl_n88l25_m98357a",
 669                 .pm = &snd_soc_pm_ops,
 670         },
 671         .id_table = skl_board_ids,
 672 };
 673
 674 module_platform_driver(skylake_audio)
 675
 676 /* Module information */
 677 MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
 678 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
 679 MODULE_LICENSE("GPL v2");
 680 MODULE_ALIAS("platform:skl_n88l25_m98357a");
 681 MODULE_ALIAS("platform:kbl_n88l25_m98357a");