sound/soc/intel/boards/skl_nau88l25_ssm4567.c

   1 /*
   2  * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
   3  *
   4  * Copyright (C) 2015, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
   8  *
   9  *   Copyright (C) 2015, Intel Corporation. All rights reserved.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License version
  13  * 2 as published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #include <linux/module.h>
  22 #include <linux/platform_device.h>
  23 #include <sound/core.h>
  24 #include <sound/pcm.h>
  25 #include <sound/soc.h>
  26 #include <sound/jack.h>
  27 #include <sound/pcm_params.h>
  28 #include "../../codecs/nau8825.h"
  29 #include "../../codecs/hdac_hdmi.h"
  30
  31 #define SKL_NUVOTON_CODEC_DAI   "nau8825-hifi"
  32 #define SKL_SSM_CODEC_DAI       "ssm4567-hifi"
  33
  34 static struct snd_soc_jack skylake_headset;
  35 static struct snd_soc_card skylake_audio_card;
  36
  37 enum {
  38         SKL_DPCM_AUDIO_PB = 0,
  39         SKL_DPCM_AUDIO_CP,
  40         SKL_DPCM_AUDIO_REF_CP,
  41         SKL_DPCM_AUDIO_DMIC_CP,
  42         SKL_DPCM_AUDIO_HDMI1_PB,
  43         SKL_DPCM_AUDIO_HDMI2_PB,
  44         SKL_DPCM_AUDIO_HDMI3_PB,
  45 };
  46
  47 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
  48 {
  49         struct snd_soc_pcm_runtime *rtd;
  50
  51         list_for_each_entry(rtd, &card->rtd_list, list) {
  52
  53                 if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
  54                              strlen(SKL_NUVOTON_CODEC_DAI)))
  55                         return rtd->codec_dai;
  56         }
  57
  58         return NULL;
  59 }
  60
  61 static const struct snd_kcontrol_new skylake_controls[] = {
  62         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  63         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  64         SOC_DAPM_PIN_SWITCH("Left Speaker"),
  65         SOC_DAPM_PIN_SWITCH("Right Speaker"),
  66 };
  67
  68 static int platform_clock_control(struct snd_soc_dapm_widget *w,
  69                 struct snd_kcontrol *k, int  event)
  70 {
  71         struct snd_soc_dapm_context *dapm = w->dapm;
  72         struct snd_soc_card *card = dapm->card;
  73         struct snd_soc_dai *codec_dai;
  74         int ret;
  75
  76         codec_dai = skl_get_codec_dai(card);
  77         if (!codec_dai) {
  78                 dev_err(card->dev, "Codec dai not found\n");
  79                 return -EIO;
  80         }
  81
  82         if (SND_SOC_DAPM_EVENT_ON(event)) {
  83                 ret = snd_soc_dai_set_sysclk(codec_dai,
  84                                 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
  85                 if (ret < 0) {
  86                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  87                         return -EIO;
  88                 }
  89         } else {
  90                 ret = snd_soc_dai_set_sysclk(codec_dai,
  91                                 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
  92                 if (ret < 0) {
  93                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  94                         return -EIO;
  95                 }
  96         }
  97         return ret;
  98 }
  99
 100 static const struct snd_soc_dapm_widget skylake_widgets[] = {
 101         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 102         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 103         SND_SOC_DAPM_SPK("Left Speaker", NULL),
 104         SND_SOC_DAPM_SPK("Right Speaker", NULL),
 105         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 106         SND_SOC_DAPM_SPK("DP", NULL),
 107         SND_SOC_DAPM_SPK("HDMI", NULL),
 108         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 109                         platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 110                         SND_SOC_DAPM_POST_PMD),
 111 };
 112
 113 static const struct snd_soc_dapm_route skylake_map[] = {
 114         /* HP jack connectors - unknown if we have jack detection */
 115         {"Headphone Jack", NULL, "HPOL"},
 116         {"Headphone Jack", NULL, "HPOR"},
 117
 118         /* speaker */
 119         {"Left Speaker", NULL, "Left OUT"},
 120         {"Right Speaker", NULL, "Right OUT"},
 121
 122         /* other jacks */
 123         {"MIC", NULL, "Headset Mic"},
 124         {"DMic", NULL, "SoC DMIC"},
 125
 126         {"HDMI", NULL, "hif5 Output"},
 127         {"DP", NULL, "hif6 Output"},
 128         /* CODEC BE connections */
 129         { "Left Playback", NULL, "ssp0 Tx"},
 130         { "Right Playback", NULL, "ssp0 Tx"},
 131         { "ssp0 Tx", NULL, "codec0_out"},
 132
 133         /* IV feedback path */
 134         { "codec0_lp_in", NULL, "ssp0 Rx"},
 135
 136         { "Playback", NULL, "ssp1 Tx"},
 137         { "ssp1 Tx", NULL, "codec1_out"},
 138
 139         { "codec0_in", NULL, "ssp1 Rx" },
 140         { "ssp1 Rx", NULL, "Capture" },
 141
 142         /* DMIC */
 143         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 144         { "DMIC01 Rx", NULL, "DMIC AIF" },
 145
 146         { "hifi3", NULL, "iDisp3 Tx"},
 147         { "iDisp3 Tx", NULL, "iDisp3_out"},
 148         { "hifi2", NULL, "iDisp2 Tx"},
 149         { "iDisp2 Tx", NULL, "iDisp2_out"},
 150         { "hifi1", NULL, "iDisp1 Tx"},
 151         { "iDisp1 Tx", NULL, "iDisp1_out"},
 152
 153         { "Headphone Jack", NULL, "Platform Clock" },
 154         { "Headset Mic", NULL, "Platform Clock" },
 155 };
 156
 157 static const struct snd_soc_pcm_stream skl_ssm4567_loop_params = {
 158         .formats = SNDRV_PCM_FMTBIT_S24_LE,
 159         .rate_min = 48000,
 160         .rate_max = 48000,
 161         .channels_min = 4,
 162         .channels_max = 4,
 163 };
 164
 165 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
 166         {
 167                 .dev_name = "i2c-INT343B:00",
 168                 .name_prefix = "Left",
 169         },
 170         {
 171                 .dev_name = "i2c-INT343B:01",
 172                 .name_prefix = "Right",
 173         },
 174 };
 175
 176 static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
 177         { /* Left */
 178                 .name = "i2c-INT343B:00",
 179                 .dai_name = SKL_SSM_CODEC_DAI,
 180         },
 181         { /* Right */
 182                 .name = "i2c-INT343B:01",
 183                 .dai_name = SKL_SSM_CODEC_DAI,
 184         },
 185 };
 186
 187 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
 188 {
 189         int ret;
 190
 191         /* Slot 1 for left */
 192         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
 193         if (ret < 0)
 194                 return ret;
 195
 196         /* Slot 2 for right */
 197         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
 198         if (ret < 0)
 199                 return ret;
 200
 201         return ret;
 202 }
 203
 204 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 205 {
 206         int ret;
 207         struct snd_soc_codec *codec = rtd->codec;
 208
 209         /*
 210          * 4 buttons here map to the google Reference headset
 211          * The use of these buttons can be decided by the user space.
 212          */
 213         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 214                 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 215                 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 216                 NULL, 0);
 217         if (ret) {
 218                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 219                 return ret;
 220         }
 221
 222         nau8825_enable_jack_detect(codec, &skylake_headset);
 223
 224         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 225
 226         return ret;
 227 }
 228
 229 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 230 {
 231         struct snd_soc_dai *dai = rtd->codec_dai;
 232
 233         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI1_PB);
 234 }
 235
 236 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 237 {
 238         struct snd_soc_dai *dai = rtd->codec_dai;
 239
 240         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI2_PB);
 241 }
 242
 243
 244 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
 245 {
 246         struct snd_soc_dai *dai = rtd->codec_dai;
 247
 248         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI3_PB);
 249 }
 250
 251 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 252 {
 253         struct snd_soc_dapm_context *dapm;
 254         struct snd_soc_component *component = rtd->cpu_dai->component;
 255
 256         dapm = snd_soc_component_get_dapm(component);
 257         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 258
 259         return 0;
 260 }
 261
 262 static unsigned int rates[] = {
 263         48000,
 264 };
 265
 266 static struct snd_pcm_hw_constraint_list constraints_rates = {
 267         .count = ARRAY_SIZE(rates),
 268         .list  = rates,
 269         .mask = 0,
 270 };
 271
 272 static unsigned int channels[] = {
 273         2,
 274 };
 275
 276 static struct snd_pcm_hw_constraint_list constraints_channels = {
 277         .count = ARRAY_SIZE(channels),
 278         .list = channels,
 279         .mask = 0,
 280 };
 281
 282 static int skl_fe_startup(struct snd_pcm_substream *substream)
 283 {
 284         struct snd_pcm_runtime *runtime = substream->runtime;
 285
 286         /*
 287          * on this platform for PCM device we support,
 288          *      48Khz
 289          *      stereo
 290          *      16 bit audio
 291          */
 292
 293         runtime->hw.channels_max = 2;
 294         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 295                                            &constraints_channels);
 296
 297         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 298         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 299
 300         snd_pcm_hw_constraint_list(runtime, 0,
 301                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 302
 303         return 0;
 304 }
 305
 306 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
 307         .startup = skl_fe_startup,
 308 };
 309
 310 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 311                         struct snd_pcm_hw_params *params)
 312 {
 313         struct snd_interval *rate = hw_param_interval(params,
 314                         SNDRV_PCM_HW_PARAM_RATE);
 315         struct snd_interval *channels = hw_param_interval(params,
 316                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 317         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 318
 319         /* The ADSP will covert the FE rate to 48k, stereo */
 320         rate->min = rate->max = 48000;
 321         channels->min = channels->max = 2;
 322
 323         /* set SSP0 to 24 bit */
 324         snd_mask_none(fmt);
 325         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 326         return 0;
 327 }
 328
 329 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 330                         struct snd_pcm_hw_params *params)
 331 {
 332         struct snd_interval *channels = hw_param_interval(params,
 333                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 334         if (params_channels(params) == 2)
 335                 channels->min = channels->max = 2;
 336         else
 337                 channels->min = channels->max = 4;
 338
 339         return 0;
 340 }
 341
 342 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 343         struct snd_pcm_hw_params *params)
 344 {
 345         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 346         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 347         int ret;
 348
 349         ret = snd_soc_dai_set_sysclk(codec_dai,
 350                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 351
 352         if (ret < 0)
 353                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 354
 355         return ret;
 356 }
 357
 358 static struct snd_soc_ops skylake_nau8825_ops = {
 359         .hw_params = skylake_nau8825_hw_params,
 360 };
 361
 362 static unsigned int channels_dmic[] = {
 363         2, 4,
 364 };
 365
 366 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 367         .count = ARRAY_SIZE(channels_dmic),
 368         .list = channels_dmic,
 369         .mask = 0,
 370 };
 371
 372 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 373 {
 374         struct snd_pcm_runtime *runtime = substream->runtime;
 375
 376         runtime->hw.channels_max = 4;
 377         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 378                         &constraints_dmic_channels);
 379
 380         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 381                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 382 }
 383
 384 static struct snd_soc_ops skylake_dmic_ops = {
 385         .startup = skylake_dmic_startup,
 386 };
 387
 388 static unsigned int rates_16000[] = {
 389         16000,
 390 };
 391
 392 static struct snd_pcm_hw_constraint_list constraints_16000 = {
 393         .count = ARRAY_SIZE(rates_16000),
 394         .list  = rates_16000,
 395 };
 396
 397 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 398 {
 399         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 400                         SNDRV_PCM_HW_PARAM_RATE,
 401                         &constraints_16000);
 402 }
 403
 404 static struct snd_soc_ops skylaye_refcap_ops = {
 405         .startup = skylake_refcap_startup,
 406 };
 407
 408 /* skylake digital audio interface glue - connects codec <--> CPU */
 409 static struct snd_soc_dai_link skylake_dais[] = {
 410         /* Front End DAI links */
 411         [SKL_DPCM_AUDIO_PB] = {
 412                 .name = "Skl Audio Port",
 413                 .stream_name = "Audio",
 414                 .cpu_dai_name = "System Pin",
 415                 .platform_name = "0000:00:1f.3",
 416                 .dynamic = 1,
 417                 .codec_name = "snd-soc-dummy",
 418                 .codec_dai_name = "snd-soc-dummy-dai",
 419                 .nonatomic = 1,
 420                 .init = skylake_nau8825_fe_init,
 421                 .trigger = {
 422                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 423                 .dpcm_playback = 1,
 424                 .ops = &skylake_nau8825_fe_ops,
 425         },
 426         [SKL_DPCM_AUDIO_CP] = {
 427                 .name = "Skl Audio Capture Port",
 428                 .stream_name = "Audio Record",
 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                 .trigger = {
 436                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 437                 .dpcm_capture = 1,
 438                 .ops = &skylake_nau8825_fe_ops,
 439         },
 440         [SKL_DPCM_AUDIO_REF_CP] = {
 441                 .name = "Skl Audio Reference cap",
 442                 .stream_name = "Wake on Voice",
 443                 .cpu_dai_name = "Reference Pin",
 444                 .codec_name = "snd-soc-dummy",
 445                 .codec_dai_name = "snd-soc-dummy-dai",
 446                 .platform_name = "0000:00:1f.3",
 447                 .init = NULL,
 448                 .dpcm_capture = 1,
 449                 .ignore_suspend = 1,
 450                 .nonatomic = 1,
 451                 .dynamic = 1,
 452                 .ops = &skylaye_refcap_ops,
 453         },
 454         [SKL_DPCM_AUDIO_DMIC_CP] = {
 455                 .name = "Skl Audio DMIC cap",
 456                 .stream_name = "dmiccap",
 457                 .cpu_dai_name = "DMIC Pin",
 458                 .codec_name = "snd-soc-dummy",
 459                 .codec_dai_name = "snd-soc-dummy-dai",
 460                 .platform_name = "0000:00:1f.3",
 461                 .init = NULL,
 462                 .dpcm_capture = 1,
 463                 .nonatomic = 1,
 464                 .dynamic = 1,
 465                 .ops = &skylake_dmic_ops,
 466         },
 467         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 468                 .name = "Skl HDMI Port1",
 469                 .stream_name = "Hdmi1",
 470                 .cpu_dai_name = "HDMI1 Pin",
 471                 .codec_name = "snd-soc-dummy",
 472                 .codec_dai_name = "snd-soc-dummy-dai",
 473                 .platform_name = "0000:00:1f.3",
 474                 .dpcm_playback = 1,
 475                 .init = NULL,
 476                 .trigger = {
 477                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 478                 .nonatomic = 1,
 479                 .dynamic = 1,
 480         },
 481         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 482                 .name = "Skl HDMI Port2",
 483                 .stream_name = "Hdmi2",
 484                 .cpu_dai_name = "HDMI2 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_HDMI3_PB] = {
 496                 .name = "Skl HDMI Port3",
 497                 .stream_name = "Hdmi3",
 498                 .cpu_dai_name = "HDMI3 Pin",
 499                 .codec_name = "snd-soc-dummy",
 500                 .codec_dai_name = "snd-soc-dummy-dai",
 501                 .platform_name = "0000:00:1f.3",
 502                 .trigger = {
 503                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 504                 .dpcm_playback = 1,
 505                 .init = NULL,
 506                 .nonatomic = 1,
 507                 .dynamic = 1,
 508         },
 509         /* Codec-codec link */
 510         {
 511                 .name = "Skylake IV loop",
 512                 .stream_name = "SKL IV Loop",
 513                 .cpu_dai_name = "SSP0 Pin",
 514                 .platform_name = "0000:00:1f.3",
 515                 .codecs = ssm4567_codec_components,
 516                 .num_codecs = ARRAY_SIZE(ssm4567_codec_components),
 517                 .params = &skl_ssm4567_loop_params,
 518         },
 519
 520         /* Back End DAI links */
 521         {
 522                 /* SSP0 - Codec */
 523                 .name = "SSP0-Codec",
 524                 .be_id = 0,
 525                 .cpu_dai_name = "SSP0 Pin",
 526                 .platform_name = "0000:00:1f.3",
 527                 .no_pcm = 1,
 528                 .codecs = ssm4567_codec_components,
 529                 .num_codecs = ARRAY_SIZE(ssm4567_codec_components),
 530                 .dai_fmt = SND_SOC_DAIFMT_DSP_A |
 531                         SND_SOC_DAIFMT_IB_NF |
 532                         SND_SOC_DAIFMT_CBS_CFS,
 533                 .init = skylake_ssm4567_codec_init,
 534                 .ignore_pmdown_time = 1,
 535                 .be_hw_params_fixup = skylake_ssp_fixup,
 536                 .dpcm_playback = 1,
 537         },
 538         {
 539                 /* SSP1 - Codec */
 540                 .name = "SSP1-Codec",
 541                 .be_id = 1,
 542                 .cpu_dai_name = "SSP1 Pin",
 543                 .platform_name = "0000:00:1f.3",
 544                 .no_pcm = 1,
 545                 .codec_name = "i2c-10508825:00",
 546                 .codec_dai_name = SKL_NUVOTON_CODEC_DAI,
 547                 .init = skylake_nau8825_codec_init,
 548                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 549                         SND_SOC_DAIFMT_CBS_CFS,
 550                 .ignore_pmdown_time = 1,
 551                 .be_hw_params_fixup = skylake_ssp_fixup,
 552                 .ops = &skylake_nau8825_ops,
 553                 .dpcm_playback = 1,
 554                 .dpcm_capture = 1,
 555         },
 556         {
 557                 .name = "dmic01",
 558                 .be_id = 2,
 559                 .cpu_dai_name = "DMIC01 Pin",
 560                 .codec_name = "dmic-codec",
 561                 .codec_dai_name = "dmic-hifi",
 562                 .platform_name = "0000:00:1f.3",
 563                 .ignore_suspend = 1,
 564                 .be_hw_params_fixup = skylake_dmic_fixup,
 565                 .dpcm_capture = 1,
 566                 .no_pcm = 1,
 567         },
 568         {
 569                 .name = "iDisp1",
 570                 .be_id = 3,
 571                 .cpu_dai_name = "iDisp1 Pin",
 572                 .codec_name = "ehdaudio0D2",
 573                 .codec_dai_name = "intel-hdmi-hifi1",
 574                 .platform_name = "0000:00:1f.3",
 575                 .dpcm_playback = 1,
 576                 .init = skylake_hdmi1_init,
 577                 .no_pcm = 1,
 578         },
 579         {
 580                 .name = "iDisp2",
 581                 .be_id = 4,
 582                 .cpu_dai_name = "iDisp2 Pin",
 583                 .codec_name = "ehdaudio0D2",
 584                 .codec_dai_name = "intel-hdmi-hifi2",
 585                 .platform_name = "0000:00:1f.3",
 586                 .init = skylake_hdmi2_init,
 587                 .dpcm_playback = 1,
 588                 .no_pcm = 1,
 589         },
 590         {
 591                 .name = "iDisp3",
 592                 .be_id = 5,
 593                 .cpu_dai_name = "iDisp3 Pin",
 594                 .codec_name = "ehdaudio0D2",
 595                 .codec_dai_name = "intel-hdmi-hifi3",
 596                 .platform_name = "0000:00:1f.3",
 597                 .init = skylake_hdmi3_init,
 598                 .dpcm_playback = 1,
 599                 .no_pcm = 1,
 600         },
 601 };
 602
 603 /* skylake audio machine driver for SPT + NAU88L25 */
 604 static struct snd_soc_card skylake_audio_card = {
 605         .name = "sklnau8825adi",
 606         .owner = THIS_MODULE,
 607         .dai_link = skylake_dais,
 608         .num_links = ARRAY_SIZE(skylake_dais),
 609         .controls = skylake_controls,
 610         .num_controls = ARRAY_SIZE(skylake_controls),
 611         .dapm_widgets = skylake_widgets,
 612         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 613         .dapm_routes = skylake_map,
 614         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 615         .codec_conf = ssm4567_codec_conf,
 616         .num_configs = ARRAY_SIZE(ssm4567_codec_conf),
 617         .fully_routed = true,
 618 };
 619
 620 static int skylake_audio_probe(struct platform_device *pdev)
 621 {
 622         skylake_audio_card.dev = &pdev->dev;
 623
 624         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 625 }
 626
 627 static struct platform_driver skylake_audio = {
 628         .probe = skylake_audio_probe,
 629         .driver = {
 630                 .name = "skl_nau88l25_ssm4567_i2s",
 631                 .pm = &snd_soc_pm_ops,
 632         },
 633 };
 634
 635 module_platform_driver(skylake_audio)
 636
 637 /* Module information */
 638 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
 639 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
 640 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
 641 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
 642 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
 643 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
 644 MODULE_LICENSE("GPL v2");
 645 MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");