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 struct snd_soc_codec_conf ssm4567_codec_conf[] = {
 160         {
 161                 .dev_name = "i2c-INT343B:00",
 162                 .name_prefix = "Left",
 163         },
 164         {
 165                 .dev_name = "i2c-INT343B:01",
 166                 .name_prefix = "Right",
 167         },
 168 };
 169
 170 static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
 171         { /* Left */
 172                 .name = "i2c-INT343B:00",
 173                 .dai_name = SKL_SSM_CODEC_DAI,
 174         },
 175         { /* Right */
 176                 .name = "i2c-INT343B:01",
 177                 .dai_name = SKL_SSM_CODEC_DAI,
 178         },
 179 };
 180
 181 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
 182 {
 183         int ret;
 184
 185         /* Slot 1 for left */
 186         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
 187         if (ret < 0)
 188                 return ret;
 189
 190         /* Slot 2 for right */
 191         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
 192         if (ret < 0)
 193                 return ret;
 194
 195         return ret;
 196 }
 197
 198 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 199 {
 200         int ret;
 201         struct snd_soc_codec *codec = rtd->codec;
 202
 203         /*
 204          * 4 buttons here map to the google Reference headset
 205          * The use of these buttons can be decided by the user space.
 206          */
 207         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 208                 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 209                 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 210                 NULL, 0);
 211         if (ret) {
 212                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 213                 return ret;
 214         }
 215
 216         nau8825_enable_jack_detect(codec, &skylake_headset);
 217
 218         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 219
 220         return ret;
 221 }
 222
 223 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 224 {
 225         struct snd_soc_dai *dai = rtd->codec_dai;
 226
 227         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI1_PB);
 228 }
 229
 230 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 231 {
 232         struct snd_soc_dai *dai = rtd->codec_dai;
 233
 234         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI2_PB);
 235 }
 236
 237
 238 static int skylake_hdmi3_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_HDMI3_PB);
 243 }
 244
 245 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 246 {
 247         struct snd_soc_dapm_context *dapm;
 248         struct snd_soc_component *component = rtd->cpu_dai->component;
 249
 250         dapm = snd_soc_component_get_dapm(component);
 251         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 252
 253         return 0;
 254 }
 255
 256 static unsigned int rates[] = {
 257         48000,
 258 };
 259
 260 static struct snd_pcm_hw_constraint_list constraints_rates = {
 261         .count = ARRAY_SIZE(rates),
 262         .list  = rates,
 263         .mask = 0,
 264 };
 265
 266 static unsigned int channels[] = {
 267         2,
 268 };
 269
 270 static struct snd_pcm_hw_constraint_list constraints_channels = {
 271         .count = ARRAY_SIZE(channels),
 272         .list = channels,
 273         .mask = 0,
 274 };
 275
 276 static int skl_fe_startup(struct snd_pcm_substream *substream)
 277 {
 278         struct snd_pcm_runtime *runtime = substream->runtime;
 279
 280         /*
 281          * on this platform for PCM device we support,
 282          *      48Khz
 283          *      stereo
 284          *      16 bit audio
 285          */
 286
 287         runtime->hw.channels_max = 2;
 288         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 289                                            &constraints_channels);
 290
 291         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 292         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 293
 294         snd_pcm_hw_constraint_list(runtime, 0,
 295                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 296
 297         return 0;
 298 }
 299
 300 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
 301         .startup = skl_fe_startup,
 302 };
 303
 304 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 305                         struct snd_pcm_hw_params *params)
 306 {
 307         struct snd_interval *rate = hw_param_interval(params,
 308                         SNDRV_PCM_HW_PARAM_RATE);
 309         struct snd_interval *channels = hw_param_interval(params,
 310                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 311         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 312
 313         /* The ADSP will covert the FE rate to 48k, stereo */
 314         rate->min = rate->max = 48000;
 315         channels->min = channels->max = 2;
 316
 317         /* set SSP0 to 24 bit */
 318         snd_mask_none(fmt);
 319         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 320         return 0;
 321 }
 322
 323 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 324                         struct snd_pcm_hw_params *params)
 325 {
 326         struct snd_interval *channels = hw_param_interval(params,
 327                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 328         if (params_channels(params) == 2)
 329                 channels->min = channels->max = 2;
 330         else
 331                 channels->min = channels->max = 4;
 332
 333         return 0;
 334 }
 335
 336 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 337         struct snd_pcm_hw_params *params)
 338 {
 339         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 340         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 341         int ret;
 342
 343         ret = snd_soc_dai_set_sysclk(codec_dai,
 344                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 345
 346         if (ret < 0)
 347                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 348
 349         return ret;
 350 }
 351
 352 static struct snd_soc_ops skylake_nau8825_ops = {
 353         .hw_params = skylake_nau8825_hw_params,
 354 };
 355
 356 static unsigned int channels_dmic[] = {
 357         2, 4,
 358 };
 359
 360 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 361         .count = ARRAY_SIZE(channels_dmic),
 362         .list = channels_dmic,
 363         .mask = 0,
 364 };
 365
 366 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 367 {
 368         struct snd_pcm_runtime *runtime = substream->runtime;
 369
 370         runtime->hw.channels_max = 4;
 371         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 372                         &constraints_dmic_channels);
 373
 374         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 375                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 376 }
 377
 378 static struct snd_soc_ops skylake_dmic_ops = {
 379         .startup = skylake_dmic_startup,
 380 };
 381
 382 static unsigned int rates_16000[] = {
 383         16000,
 384 };
 385
 386 static struct snd_pcm_hw_constraint_list constraints_16000 = {
 387         .count = ARRAY_SIZE(rates_16000),
 388         .list  = rates_16000,
 389 };
 390
 391 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 392 {
 393         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 394                         SNDRV_PCM_HW_PARAM_RATE,
 395                         &constraints_16000);
 396 }
 397
 398 static struct snd_soc_ops skylaye_refcap_ops = {
 399         .startup = skylake_refcap_startup,
 400 };
 401
 402 /* skylake digital audio interface glue - connects codec <--> CPU */
 403 static struct snd_soc_dai_link skylake_dais[] = {
 404         /* Front End DAI links */
 405         [SKL_DPCM_AUDIO_PB] = {
 406                 .name = "Skl Audio Port",
 407                 .stream_name = "Audio",
 408                 .cpu_dai_name = "System Pin",
 409                 .platform_name = "0000:00:1f.3",
 410                 .dynamic = 1,
 411                 .codec_name = "snd-soc-dummy",
 412                 .codec_dai_name = "snd-soc-dummy-dai",
 413                 .nonatomic = 1,
 414                 .init = skylake_nau8825_fe_init,
 415                 .trigger = {
 416                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 417                 .dpcm_playback = 1,
 418                 .ops = &skylake_nau8825_fe_ops,
 419         },
 420         [SKL_DPCM_AUDIO_CP] = {
 421                 .name = "Skl Audio Capture Port",
 422                 .stream_name = "Audio Record",
 423                 .cpu_dai_name = "System Pin",
 424                 .platform_name = "0000:00:1f.3",
 425                 .dynamic = 1,
 426                 .codec_name = "snd-soc-dummy",
 427                 .codec_dai_name = "snd-soc-dummy-dai",
 428                 .nonatomic = 1,
 429                 .trigger = {
 430                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 431                 .dpcm_capture = 1,
 432                 .ops = &skylake_nau8825_fe_ops,
 433         },
 434         [SKL_DPCM_AUDIO_REF_CP] = {
 435                 .name = "Skl Audio Reference cap",
 436                 .stream_name = "Wake on Voice",
 437                 .cpu_dai_name = "Reference Pin",
 438                 .codec_name = "snd-soc-dummy",
 439                 .codec_dai_name = "snd-soc-dummy-dai",
 440                 .platform_name = "0000:00:1f.3",
 441                 .init = NULL,
 442                 .dpcm_capture = 1,
 443                 .ignore_suspend = 1,
 444                 .nonatomic = 1,
 445                 .dynamic = 1,
 446                 .ops = &skylaye_refcap_ops,
 447         },
 448         [SKL_DPCM_AUDIO_DMIC_CP] = {
 449                 .name = "Skl Audio DMIC cap",
 450                 .stream_name = "dmiccap",
 451                 .cpu_dai_name = "DMIC Pin",
 452                 .codec_name = "snd-soc-dummy",
 453                 .codec_dai_name = "snd-soc-dummy-dai",
 454                 .platform_name = "0000:00:1f.3",
 455                 .init = NULL,
 456                 .dpcm_capture = 1,
 457                 .nonatomic = 1,
 458                 .dynamic = 1,
 459                 .ops = &skylake_dmic_ops,
 460         },
 461         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 462                 .name = "Skl HDMI Port1",
 463                 .stream_name = "Hdmi1",
 464                 .cpu_dai_name = "HDMI1 Pin",
 465                 .codec_name = "snd-soc-dummy",
 466                 .codec_dai_name = "snd-soc-dummy-dai",
 467                 .platform_name = "0000:00:1f.3",
 468                 .dpcm_playback = 1,
 469                 .init = NULL,
 470                 .trigger = {
 471                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 472                 .nonatomic = 1,
 473                 .dynamic = 1,
 474         },
 475         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 476                 .name = "Skl HDMI Port2",
 477                 .stream_name = "Hdmi2",
 478                 .cpu_dai_name = "HDMI2 Pin",
 479                 .codec_name = "snd-soc-dummy",
 480                 .codec_dai_name = "snd-soc-dummy-dai",
 481                 .platform_name = "0000:00:1f.3",
 482                 .dpcm_playback = 1,
 483                 .init = NULL,
 484                 .trigger = {
 485                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 486                 .nonatomic = 1,
 487                 .dynamic = 1,
 488         },
 489         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 490                 .name = "Skl HDMI Port3",
 491                 .stream_name = "Hdmi3",
 492                 .cpu_dai_name = "HDMI3 Pin",
 493                 .codec_name = "snd-soc-dummy",
 494                 .codec_dai_name = "snd-soc-dummy-dai",
 495                 .platform_name = "0000:00:1f.3",
 496                 .trigger = {
 497                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 498                 .dpcm_playback = 1,
 499                 .init = NULL,
 500                 .nonatomic = 1,
 501                 .dynamic = 1,
 502         },
 503
 504         /* Back End DAI links */
 505         {
 506                 /* SSP0 - Codec */
 507                 .name = "SSP0-Codec",
 508                 .be_id = 0,
 509                 .cpu_dai_name = "SSP0 Pin",
 510                 .platform_name = "0000:00:1f.3",
 511                 .no_pcm = 1,
 512                 .codecs = ssm4567_codec_components,
 513                 .num_codecs = ARRAY_SIZE(ssm4567_codec_components),
 514                 .dai_fmt = SND_SOC_DAIFMT_DSP_A |
 515                         SND_SOC_DAIFMT_IB_NF |
 516                         SND_SOC_DAIFMT_CBS_CFS,
 517                 .init = skylake_ssm4567_codec_init,
 518                 .ignore_pmdown_time = 1,
 519                 .be_hw_params_fixup = skylake_ssp_fixup,
 520                 .dpcm_playback = 1,
 521                 .dpcm_capture = 1,
 522         },
 523         {
 524                 /* SSP1 - Codec */
 525                 .name = "SSP1-Codec",
 526                 .be_id = 1,
 527                 .cpu_dai_name = "SSP1 Pin",
 528                 .platform_name = "0000:00:1f.3",
 529                 .no_pcm = 1,
 530                 .codec_name = "i2c-10508825:00",
 531                 .codec_dai_name = SKL_NUVOTON_CODEC_DAI,
 532                 .init = skylake_nau8825_codec_init,
 533                 .dai_fmt = SND_SOC_DAIFMT_I2S | 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                 .ops = &skylake_nau8825_ops,
 538                 .dpcm_playback = 1,
 539                 .dpcm_capture = 1,
 540         },
 541         {
 542                 .name = "dmic01",
 543                 .be_id = 2,
 544                 .cpu_dai_name = "DMIC01 Pin",
 545                 .codec_name = "dmic-codec",
 546                 .codec_dai_name = "dmic-hifi",
 547                 .platform_name = "0000:00:1f.3",
 548                 .ignore_suspend = 1,
 549                 .be_hw_params_fixup = skylake_dmic_fixup,
 550                 .dpcm_capture = 1,
 551                 .no_pcm = 1,
 552         },
 553         {
 554                 .name = "iDisp1",
 555                 .be_id = 3,
 556                 .cpu_dai_name = "iDisp1 Pin",
 557                 .codec_name = "ehdaudio0D2",
 558                 .codec_dai_name = "intel-hdmi-hifi1",
 559                 .platform_name = "0000:00:1f.3",
 560                 .dpcm_playback = 1,
 561                 .init = skylake_hdmi1_init,
 562                 .no_pcm = 1,
 563         },
 564         {
 565                 .name = "iDisp2",
 566                 .be_id = 4,
 567                 .cpu_dai_name = "iDisp2 Pin",
 568                 .codec_name = "ehdaudio0D2",
 569                 .codec_dai_name = "intel-hdmi-hifi2",
 570                 .platform_name = "0000:00:1f.3",
 571                 .init = skylake_hdmi2_init,
 572                 .dpcm_playback = 1,
 573                 .no_pcm = 1,
 574         },
 575         {
 576                 .name = "iDisp3",
 577                 .be_id = 5,
 578                 .cpu_dai_name = "iDisp3 Pin",
 579                 .codec_name = "ehdaudio0D2",
 580                 .codec_dai_name = "intel-hdmi-hifi3",
 581                 .platform_name = "0000:00:1f.3",
 582                 .init = skylake_hdmi3_init,
 583                 .dpcm_playback = 1,
 584                 .no_pcm = 1,
 585         },
 586 };
 587
 588 /* skylake audio machine driver for SPT + NAU88L25 */
 589 static struct snd_soc_card skylake_audio_card = {
 590         .name = "sklnau8825adi",
 591         .owner = THIS_MODULE,
 592         .dai_link = skylake_dais,
 593         .num_links = ARRAY_SIZE(skylake_dais),
 594         .controls = skylake_controls,
 595         .num_controls = ARRAY_SIZE(skylake_controls),
 596         .dapm_widgets = skylake_widgets,
 597         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 598         .dapm_routes = skylake_map,
 599         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 600         .codec_conf = ssm4567_codec_conf,
 601         .num_configs = ARRAY_SIZE(ssm4567_codec_conf),
 602         .fully_routed = true,
 603 };
 604
 605 static int skylake_audio_probe(struct platform_device *pdev)
 606 {
 607         skylake_audio_card.dev = &pdev->dev;
 608
 609         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 610 }
 611
 612 static struct platform_driver skylake_audio = {
 613         .probe = skylake_audio_probe,
 614         .driver = {
 615                 .name = "skl_nau88l25_ssm4567_i2s",
 616                 .pm = &snd_soc_pm_ops,
 617         },
 618 };
 619
 620 module_platform_driver(skylake_audio)
 621
 622 /* Module information */
 623 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
 624 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
 625 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
 626 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
 627 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
 628 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
 629 MODULE_LICENSE("GPL v2");
 630 MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");