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         { "ssp0 Rx", NULL, "Left Capture Sense" },
 136         { "ssp0 Rx", NULL, "Right Capture Sense" },
 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 const struct snd_soc_pcm_stream skl_ssm4567_loop_params = {
 160         .formats = SNDRV_PCM_FMTBIT_S24_LE,
 161         .rate_min = 48000,
 162         .rate_max = 48000,
 163         .channels_min = 4,
 164         .channels_max = 4,
 165 };
 166
 167 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
 168         {
 169                 .dev_name = "i2c-INT343B:00",
 170                 .name_prefix = "Left",
 171         },
 172         {
 173                 .dev_name = "i2c-INT343B:01",
 174                 .name_prefix = "Right",
 175         },
 176 };
 177
 178 static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
 179         { /* Left */
 180                 .name = "i2c-INT343B:00",
 181                 .dai_name = SKL_SSM_CODEC_DAI,
 182         },
 183         { /* Right */
 184                 .name = "i2c-INT343B:01",
 185                 .dai_name = SKL_SSM_CODEC_DAI,
 186         },
 187 };
 188
 189 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
 190 {
 191         int ret;
 192
 193         /* Slot 1 for left */
 194         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
 195         if (ret < 0)
 196                 return ret;
 197
 198         /* Slot 2 for right */
 199         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
 200         if (ret < 0)
 201                 return ret;
 202
 203         return ret;
 204 }
 205
 206 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 207 {
 208         int ret;
 209         struct snd_soc_codec *codec = rtd->codec;
 210
 211         /*
 212          * 4 buttons here map to the google Reference headset
 213          * The use of these buttons can be decided by the user space.
 214          */
 215         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 216                 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 217                 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 218                 NULL, 0);
 219         if (ret) {
 220                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 221                 return ret;
 222         }
 223
 224         nau8825_enable_jack_detect(codec, &skylake_headset);
 225
 226         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 227
 228         return ret;
 229 }
 230
 231 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 232 {
 233         struct snd_soc_dai *dai = rtd->codec_dai;
 234
 235         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI1_PB);
 236 }
 237
 238 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 239 {
 240         struct snd_soc_dai *dai = rtd->codec_dai;
 241
 242         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI2_PB);
 243 }
 244
 245
 246 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
 247 {
 248         struct snd_soc_dai *dai = rtd->codec_dai;
 249
 250         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI3_PB);
 251 }
 252
 253 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 254 {
 255         struct snd_soc_dapm_context *dapm;
 256         struct snd_soc_component *component = rtd->cpu_dai->component;
 257
 258         dapm = snd_soc_component_get_dapm(component);
 259         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 260
 261         return 0;
 262 }
 263
 264 static unsigned int rates[] = {
 265         48000,
 266 };
 267
 268 static struct snd_pcm_hw_constraint_list constraints_rates = {
 269         .count = ARRAY_SIZE(rates),
 270         .list  = rates,
 271         .mask = 0,
 272 };
 273
 274 static unsigned int channels[] = {
 275         2,
 276 };
 277
 278 static struct snd_pcm_hw_constraint_list constraints_channels = {
 279         .count = ARRAY_SIZE(channels),
 280         .list = channels,
 281         .mask = 0,
 282 };
 283
 284 static int skl_fe_startup(struct snd_pcm_substream *substream)
 285 {
 286         struct snd_pcm_runtime *runtime = substream->runtime;
 287
 288         /*
 289          * on this platform for PCM device we support,
 290          *      48Khz
 291          *      stereo
 292          *      16 bit audio
 293          */
 294
 295         runtime->hw.channels_max = 2;
 296         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 297                                            &constraints_channels);
 298
 299         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 300         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 301
 302         snd_pcm_hw_constraint_list(runtime, 0,
 303                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 304
 305         return 0;
 306 }
 307
 308 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
 309         .startup = skl_fe_startup,
 310 };
 311
 312 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 313                         struct snd_pcm_hw_params *params)
 314 {
 315         struct snd_interval *rate = hw_param_interval(params,
 316                         SNDRV_PCM_HW_PARAM_RATE);
 317         struct snd_interval *channels = hw_param_interval(params,
 318                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 319         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 320
 321         /* The ADSP will covert the FE rate to 48k, stereo */
 322         rate->min = rate->max = 48000;
 323         channels->min = channels->max = 2;
 324
 325         /* set SSP0 to 24 bit */
 326         snd_mask_none(fmt);
 327         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 328         return 0;
 329 }
 330
 331 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 332                         struct snd_pcm_hw_params *params)
 333 {
 334         struct snd_interval *channels = hw_param_interval(params,
 335                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 336         if (params_channels(params) == 2)
 337                 channels->min = channels->max = 2;
 338         else
 339                 channels->min = channels->max = 4;
 340
 341         return 0;
 342 }
 343
 344 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 345         struct snd_pcm_hw_params *params)
 346 {
 347         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 348         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 349         int ret;
 350
 351         ret = snd_soc_dai_set_sysclk(codec_dai,
 352                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 353
 354         if (ret < 0)
 355                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 356
 357         return ret;
 358 }
 359
 360 static struct snd_soc_ops skylake_nau8825_ops = {
 361         .hw_params = skylake_nau8825_hw_params,
 362 };
 363
 364 static unsigned int channels_dmic[] = {
 365         2, 4,
 366 };
 367
 368 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 369         .count = ARRAY_SIZE(channels_dmic),
 370         .list = channels_dmic,
 371         .mask = 0,
 372 };
 373
 374 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 375 {
 376         struct snd_pcm_runtime *runtime = substream->runtime;
 377
 378         runtime->hw.channels_max = 4;
 379         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 380                         &constraints_dmic_channels);
 381
 382         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 383                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 384 }
 385
 386 static struct snd_soc_ops skylake_dmic_ops = {
 387         .startup = skylake_dmic_startup,
 388 };
 389
 390 static unsigned int rates_16000[] = {
 391         16000,
 392 };
 393
 394 static struct snd_pcm_hw_constraint_list constraints_16000 = {
 395         .count = ARRAY_SIZE(rates_16000),
 396         .list  = rates_16000,
 397 };
 398
 399 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 400 {
 401         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 402                         SNDRV_PCM_HW_PARAM_RATE,
 403                         &constraints_16000);
 404 }
 405
 406 static struct snd_soc_ops skylaye_refcap_ops = {
 407         .startup = skylake_refcap_startup,
 408 };
 409
 410 /* skylake digital audio interface glue - connects codec <--> CPU */
 411 static struct snd_soc_dai_link skylake_dais[] = {
 412         /* Front End DAI links */
 413         [SKL_DPCM_AUDIO_PB] = {
 414                 .name = "Skl Audio Port",
 415                 .stream_name = "Audio",
 416                 .cpu_dai_name = "System Pin",
 417                 .platform_name = "0000:00:1f.3",
 418                 .dynamic = 1,
 419                 .codec_name = "snd-soc-dummy",
 420                 .codec_dai_name = "snd-soc-dummy-dai",
 421                 .nonatomic = 1,
 422                 .init = skylake_nau8825_fe_init,
 423                 .trigger = {
 424                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 425                 .dpcm_playback = 1,
 426                 .ops = &skylake_nau8825_fe_ops,
 427         },
 428         [SKL_DPCM_AUDIO_CP] = {
 429                 .name = "Skl Audio Capture Port",
 430                 .stream_name = "Audio Record",
 431                 .cpu_dai_name = "System Pin",
 432                 .platform_name = "0000:00:1f.3",
 433                 .dynamic = 1,
 434                 .codec_name = "snd-soc-dummy",
 435                 .codec_dai_name = "snd-soc-dummy-dai",
 436                 .nonatomic = 1,
 437                 .trigger = {
 438                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 439                 .dpcm_capture = 1,
 440                 .ops = &skylake_nau8825_fe_ops,
 441         },
 442         [SKL_DPCM_AUDIO_REF_CP] = {
 443                 .name = "Skl Audio Reference cap",
 444                 .stream_name = "Wake on Voice",
 445                 .cpu_dai_name = "Reference Pin",
 446                 .codec_name = "snd-soc-dummy",
 447                 .codec_dai_name = "snd-soc-dummy-dai",
 448                 .platform_name = "0000:00:1f.3",
 449                 .init = NULL,
 450                 .dpcm_capture = 1,
 451                 .ignore_suspend = 1,
 452                 .nonatomic = 1,
 453                 .dynamic = 1,
 454                 .ops = &skylaye_refcap_ops,
 455         },
 456         [SKL_DPCM_AUDIO_DMIC_CP] = {
 457                 .name = "Skl Audio DMIC cap",
 458                 .stream_name = "dmiccap",
 459                 .cpu_dai_name = "DMIC Pin",
 460                 .codec_name = "snd-soc-dummy",
 461                 .codec_dai_name = "snd-soc-dummy-dai",
 462                 .platform_name = "0000:00:1f.3",
 463                 .init = NULL,
 464                 .dpcm_capture = 1,
 465                 .nonatomic = 1,
 466                 .dynamic = 1,
 467                 .ops = &skylake_dmic_ops,
 468         },
 469         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 470                 .name = "Skl HDMI Port1",
 471                 .stream_name = "Hdmi1",
 472                 .cpu_dai_name = "HDMI1 Pin",
 473                 .codec_name = "snd-soc-dummy",
 474                 .codec_dai_name = "snd-soc-dummy-dai",
 475                 .platform_name = "0000:00:1f.3",
 476                 .dpcm_playback = 1,
 477                 .init = NULL,
 478                 .trigger = {
 479                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 480                 .nonatomic = 1,
 481                 .dynamic = 1,
 482         },
 483         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 484                 .name = "Skl HDMI Port2",
 485                 .stream_name = "Hdmi2",
 486                 .cpu_dai_name = "HDMI2 Pin",
 487                 .codec_name = "snd-soc-dummy",
 488                 .codec_dai_name = "snd-soc-dummy-dai",
 489                 .platform_name = "0000:00:1f.3",
 490                 .dpcm_playback = 1,
 491                 .init = NULL,
 492                 .trigger = {
 493                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 494                 .nonatomic = 1,
 495                 .dynamic = 1,
 496         },
 497         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 498                 .name = "Skl HDMI Port3",
 499                 .stream_name = "Hdmi3",
 500                 .cpu_dai_name = "HDMI3 Pin",
 501                 .codec_name = "snd-soc-dummy",
 502                 .codec_dai_name = "snd-soc-dummy-dai",
 503                 .platform_name = "0000:00:1f.3",
 504                 .trigger = {
 505                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 506                 .dpcm_playback = 1,
 507                 .init = NULL,
 508                 .nonatomic = 1,
 509                 .dynamic = 1,
 510         },
 511         /* Codec-codec link */
 512         {
 513                 .name = "Skylake IV loop",
 514                 .stream_name = "SKL IV Loop",
 515                 .cpu_dai_name = "SSP0 Pin",
 516                 .platform_name = "0000:00:1f.3",
 517                 .codecs = ssm4567_codec_components,
 518                 .num_codecs = ARRAY_SIZE(ssm4567_codec_components),
 519                 .params = &skl_ssm4567_loop_params,
 520         },
 521
 522         /* Back End DAI links */
 523         {
 524                 /* SSP0 - Codec */
 525                 .name = "SSP0-Codec",
 526                 .be_id = 0,
 527                 .cpu_dai_name = "SSP0 Pin",
 528                 .platform_name = "0000:00:1f.3",
 529                 .no_pcm = 1,
 530                 .codecs = ssm4567_codec_components,
 531                 .num_codecs = ARRAY_SIZE(ssm4567_codec_components),
 532                 .dai_fmt = SND_SOC_DAIFMT_DSP_A |
 533                         SND_SOC_DAIFMT_IB_NF |
 534                         SND_SOC_DAIFMT_CBS_CFS,
 535                 .init = skylake_ssm4567_codec_init,
 536                 .ignore_pmdown_time = 1,
 537                 .be_hw_params_fixup = skylake_ssp_fixup,
 538                 .dpcm_playback = 1,
 539                 .dpcm_capture = 1,
 540         },
 541         {
 542                 /* SSP1 - Codec */
 543                 .name = "SSP1-Codec",
 544                 .be_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                 .be_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                 .ignore_suspend = 1,
 567                 .be_hw_params_fixup = skylake_dmic_fixup,
 568                 .dpcm_capture = 1,
 569                 .no_pcm = 1,
 570         },
 571         {
 572                 .name = "iDisp1",
 573                 .be_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                 .be_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                 .be_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 /* skylake audio machine driver for SPT + NAU88L25 */
 607 static struct snd_soc_card skylake_audio_card = {
 608         .name = "sklnau8825adi",
 609         .owner = THIS_MODULE,
 610         .dai_link = skylake_dais,
 611         .num_links = ARRAY_SIZE(skylake_dais),
 612         .controls = skylake_controls,
 613         .num_controls = ARRAY_SIZE(skylake_controls),
 614         .dapm_widgets = skylake_widgets,
 615         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 616         .dapm_routes = skylake_map,
 617         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 618         .codec_conf = ssm4567_codec_conf,
 619         .num_configs = ARRAY_SIZE(ssm4567_codec_conf),
 620         .fully_routed = true,
 621 };
 622
 623 static int skylake_audio_probe(struct platform_device *pdev)
 624 {
 625         skylake_audio_card.dev = &pdev->dev;
 626
 627         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 628 }
 629
 630 static struct platform_driver skylake_audio = {
 631         .probe = skylake_audio_probe,
 632         .driver = {
 633                 .name = "skl_nau88l25_ssm4567_i2s",
 634                 .pm = &snd_soc_pm_ops,
 635         },
 636 };
 637
 638 module_platform_driver(skylake_audio)
 639
 640 /* Module information */
 641 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
 642 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
 643 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
 644 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
 645 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
 646 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
 647 MODULE_LICENSE("GPL v2");
 648 MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");