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