sound/soc/intel/boards/skl_rt286.c

   1 /*
   2  * Intel Skylake I2S Machine Driver
   3  *
   4  * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Broadwell Wildcatpoint SST Audio
   8  *
   9  *   Copyright (C) 2013, 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/rt286.h"
  29 #include "../../codecs/hdac_hdmi.h"
  30
  31 static struct snd_soc_jack skylake_headset;
  32 static struct snd_soc_jack skylake_hdmi[3];
  33
  34 struct skl_hdmi_pcm {
  35         struct list_head head;
  36         struct snd_soc_dai *codec_dai;
  37         int device;
  38 };
  39
  40 struct skl_rt286_private {
  41         struct list_head hdmi_pcm_list;
  42 };
  43
  44 enum {
  45         SKL_DPCM_AUDIO_PB = 0,
  46         SKL_DPCM_AUDIO_DB_PB,
  47         SKL_DPCM_AUDIO_CP,
  48         SKL_DPCM_AUDIO_REF_CP,
  49         SKL_DPCM_AUDIO_DMIC_CP,
  50         SKL_DPCM_AUDIO_HDMI1_PB,
  51         SKL_DPCM_AUDIO_HDMI2_PB,
  52         SKL_DPCM_AUDIO_HDMI3_PB,
  53 };
  54
  55 /* Headset jack detection DAPM pins */
  56 static struct snd_soc_jack_pin skylake_headset_pins[] = {
  57         {
  58                 .pin = "Mic Jack",
  59                 .mask = SND_JACK_MICROPHONE,
  60         },
  61         {
  62                 .pin = "Headphone Jack",
  63                 .mask = SND_JACK_HEADPHONE,
  64         },
  65 };
  66
  67 static const struct snd_kcontrol_new skylake_controls[] = {
  68         SOC_DAPM_PIN_SWITCH("Speaker"),
  69         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  70         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  71 };
  72
  73 static const struct snd_soc_dapm_widget skylake_widgets[] = {
  74         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  75         SND_SOC_DAPM_SPK("Speaker", NULL),
  76         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  77         SND_SOC_DAPM_MIC("DMIC2", NULL),
  78         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  79         SND_SOC_DAPM_SPK("HDMI1", NULL),
  80         SND_SOC_DAPM_SPK("HDMI2", NULL),
  81         SND_SOC_DAPM_SPK("HDMI3", NULL),
  82 };
  83
  84 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
  85         /* speaker */
  86         {"Speaker", NULL, "SPOR"},
  87         {"Speaker", NULL, "SPOL"},
  88
  89         /* HP jack connectors - unknown if we have jack deteck */
  90         {"Headphone Jack", NULL, "HPO Pin"},
  91
  92         /* other jacks */
  93         {"MIC1", NULL, "Mic Jack"},
  94
  95         /* digital mics */
  96         {"DMIC1 Pin", NULL, "DMIC2"},
  97         {"DMic", NULL, "SoC DMIC"},
  98
  99         /* CODEC BE connections */
 100         { "AIF1 Playback", NULL, "ssp0 Tx"},
 101         { "ssp0 Tx", NULL, "codec0_out"},
 102         { "ssp0 Tx", NULL, "codec1_out"},
 103
 104         { "codec0_in", NULL, "ssp0 Rx" },
 105         { "codec1_in", NULL, "ssp0 Rx" },
 106         { "ssp0 Rx", NULL, "AIF1 Capture" },
 107
 108         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 109         { "DMIC01 Rx", NULL, "DMIC AIF" },
 110
 111         { "hifi3", NULL, "iDisp3 Tx"},
 112         { "iDisp3 Tx", NULL, "iDisp3_out"},
 113         { "hifi2", NULL, "iDisp2 Tx"},
 114         { "iDisp2 Tx", NULL, "iDisp2_out"},
 115         { "hifi1", NULL, "iDisp1 Tx"},
 116         { "iDisp1 Tx", NULL, "iDisp1_out"},
 117
 118 };
 119
 120 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
 121 {
 122         struct snd_soc_dapm_context *dapm;
 123         struct snd_soc_component *component = rtd->cpu_dai->component;
 124
 125         dapm = snd_soc_component_get_dapm(component);
 126         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 127
 128         return 0;
 129 }
 130
 131 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
 132 {
 133         struct snd_soc_codec *codec = rtd->codec;
 134         int ret;
 135
 136         ret = snd_soc_card_jack_new(rtd->card, "Headset",
 137                 SND_JACK_HEADSET | SND_JACK_BTN_0,
 138                 &skylake_headset,
 139                 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
 140
 141         if (ret)
 142                 return ret;
 143
 144         rt286_mic_detect(codec, &skylake_headset);
 145
 146         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 147
 148         return 0;
 149 }
 150
 151 static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 152 {
 153         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 154         struct snd_soc_dai *dai = rtd->codec_dai;
 155         struct skl_hdmi_pcm *pcm;
 156
 157         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 158         if (!pcm)
 159                 return -ENOMEM;
 160
 161         pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
 162         pcm->codec_dai = dai;
 163
 164         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 165
 166         return 0;
 167 }
 168
 169 static const unsigned int rates[] = {
 170         48000,
 171 };
 172
 173 static const struct snd_pcm_hw_constraint_list constraints_rates = {
 174         .count = ARRAY_SIZE(rates),
 175         .list  = rates,
 176         .mask = 0,
 177 };
 178
 179 static const unsigned int channels[] = {
 180         2,
 181 };
 182
 183 static const struct snd_pcm_hw_constraint_list constraints_channels = {
 184         .count = ARRAY_SIZE(channels),
 185         .list = channels,
 186         .mask = 0,
 187 };
 188
 189 static int skl_fe_startup(struct snd_pcm_substream *substream)
 190 {
 191         struct snd_pcm_runtime *runtime = substream->runtime;
 192
 193         /*
 194          * on this platform for PCM device we support,
 195          *      48Khz
 196          *      stereo
 197          *      16 bit audio
 198          */
 199
 200         runtime->hw.channels_max = 2;
 201         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 202                                            &constraints_channels);
 203
 204         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 205         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 206
 207         snd_pcm_hw_constraint_list(runtime, 0,
 208                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 209
 210         return 0;
 211 }
 212
 213 static const struct snd_soc_ops skylake_rt286_fe_ops = {
 214         .startup = skl_fe_startup,
 215 };
 216
 217 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 218                         struct snd_pcm_hw_params *params)
 219 {
 220         struct snd_interval *rate = hw_param_interval(params,
 221                         SNDRV_PCM_HW_PARAM_RATE);
 222         struct snd_interval *channels = hw_param_interval(params,
 223                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 224         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 225
 226         /* The output is 48KHz, stereo, 16bits */
 227         rate->min = rate->max = 48000;
 228         channels->min = channels->max = 2;
 229
 230         /* set SSP0 to 24 bit */
 231         snd_mask_none(fmt);
 232         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 233         return 0;
 234 }
 235
 236 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
 237         struct snd_pcm_hw_params *params)
 238 {
 239         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 240         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 241         int ret;
 242
 243         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 244                 SND_SOC_CLOCK_IN);
 245         if (ret < 0)
 246                 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
 247
 248         return ret;
 249 }
 250
 251 static const struct snd_soc_ops skylake_rt286_ops = {
 252         .hw_params = skylake_rt286_hw_params,
 253 };
 254
 255 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 256                                 struct snd_pcm_hw_params *params)
 257 {
 258         struct snd_interval *channels = hw_param_interval(params,
 259                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 260         if (params_channels(params) == 2)
 261                 channels->min = channels->max = 2;
 262         else
 263                 channels->min = channels->max = 4;
 264
 265         return 0;
 266 }
 267
 268 static const unsigned int channels_dmic[] = {
 269         2, 4,
 270 };
 271
 272 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 273         .count = ARRAY_SIZE(channels_dmic),
 274         .list = channels_dmic,
 275         .mask = 0,
 276 };
 277
 278 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 279 {
 280         struct snd_pcm_runtime *runtime = substream->runtime;
 281
 282         runtime->hw.channels_max = 4;
 283         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 284                                            &constraints_dmic_channels);
 285
 286         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 287                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 288 }
 289
 290 static const struct snd_soc_ops skylake_dmic_ops = {
 291         .startup = skylake_dmic_startup,
 292 };
 293
 294 /* skylake digital audio interface glue - connects codec <--> CPU */
 295 static struct snd_soc_dai_link skylake_rt286_dais[] = {
 296         /* Front End DAI links */
 297         [SKL_DPCM_AUDIO_PB] = {
 298                 .name = "Skl Audio Port",
 299                 .stream_name = "Audio",
 300                 .cpu_dai_name = "System Pin",
 301                 .platform_name = "0000:00:1f.3",
 302                 .nonatomic = 1,
 303                 .dynamic = 1,
 304                 .codec_name = "snd-soc-dummy",
 305                 .codec_dai_name = "snd-soc-dummy-dai",
 306                 .init = skylake_rt286_fe_init,
 307                 .trigger = {
 308                         SND_SOC_DPCM_TRIGGER_POST,
 309                         SND_SOC_DPCM_TRIGGER_POST
 310                 },
 311                 .dpcm_playback = 1,
 312                 .ops = &skylake_rt286_fe_ops,
 313         },
 314         [SKL_DPCM_AUDIO_DB_PB] = {
 315                 .name = "Skl Deepbuffer Port",
 316                 .stream_name = "Deep Buffer Audio",
 317                 .cpu_dai_name = "Deepbuffer Pin",
 318                 .platform_name = "0000:00:1f.3",
 319                 .nonatomic = 1,
 320                 .dynamic = 1,
 321                 .codec_name = "snd-soc-dummy",
 322                 .codec_dai_name = "snd-soc-dummy-dai",
 323                 .trigger = {
 324                         SND_SOC_DPCM_TRIGGER_POST,
 325                         SND_SOC_DPCM_TRIGGER_POST
 326                 },
 327                 .dpcm_playback = 1,
 328                 .ops = &skylake_rt286_fe_ops,
 329
 330         },
 331         [SKL_DPCM_AUDIO_CP] = {
 332                 .name = "Skl Audio Capture Port",
 333                 .stream_name = "Audio Record",
 334                 .cpu_dai_name = "System Pin",
 335                 .platform_name = "0000:00:1f.3",
 336                 .nonatomic = 1,
 337                 .dynamic = 1,
 338                 .codec_name = "snd-soc-dummy",
 339                 .codec_dai_name = "snd-soc-dummy-dai",
 340                 .trigger = {
 341                         SND_SOC_DPCM_TRIGGER_POST,
 342                         SND_SOC_DPCM_TRIGGER_POST
 343                 },
 344                 .dpcm_capture = 1,
 345                 .ops = &skylake_rt286_fe_ops,
 346         },
 347         [SKL_DPCM_AUDIO_REF_CP] = {
 348                 .name = "Skl Audio Reference cap",
 349                 .stream_name = "refcap",
 350                 .cpu_dai_name = "Reference Pin",
 351                 .codec_name = "snd-soc-dummy",
 352                 .codec_dai_name = "snd-soc-dummy-dai",
 353                 .platform_name = "0000:00:1f.3",
 354                 .init = NULL,
 355                 .dpcm_capture = 1,
 356                 .nonatomic = 1,
 357                 .dynamic = 1,
 358         },
 359         [SKL_DPCM_AUDIO_DMIC_CP] = {
 360                 .name = "Skl Audio DMIC cap",
 361                 .stream_name = "dmiccap",
 362                 .cpu_dai_name = "DMIC Pin",
 363                 .codec_name = "snd-soc-dummy",
 364                 .codec_dai_name = "snd-soc-dummy-dai",
 365                 .platform_name = "0000:00:1f.3",
 366                 .init = NULL,
 367                 .dpcm_capture = 1,
 368                 .nonatomic = 1,
 369                 .dynamic = 1,
 370                 .ops = &skylake_dmic_ops,
 371         },
 372         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 373                 .name = "Skl HDMI Port1",
 374                 .stream_name = "Hdmi1",
 375                 .cpu_dai_name = "HDMI1 Pin",
 376                 .codec_name = "snd-soc-dummy",
 377                 .codec_dai_name = "snd-soc-dummy-dai",
 378                 .platform_name = "0000:00:1f.3",
 379                 .dpcm_playback = 1,
 380                 .init = NULL,
 381                 .nonatomic = 1,
 382                 .dynamic = 1,
 383         },
 384         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 385                 .name = "Skl HDMI Port2",
 386                 .stream_name = "Hdmi2",
 387                 .cpu_dai_name = "HDMI2 Pin",
 388                 .codec_name = "snd-soc-dummy",
 389                 .codec_dai_name = "snd-soc-dummy-dai",
 390                 .platform_name = "0000:00:1f.3",
 391                 .dpcm_playback = 1,
 392                 .init = NULL,
 393                 .nonatomic = 1,
 394                 .dynamic = 1,
 395         },
 396         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 397                 .name = "Skl HDMI Port3",
 398                 .stream_name = "Hdmi3",
 399                 .cpu_dai_name = "HDMI3 Pin",
 400                 .codec_name = "snd-soc-dummy",
 401                 .codec_dai_name = "snd-soc-dummy-dai",
 402                 .platform_name = "0000:00:1f.3",
 403                 .dpcm_playback = 1,
 404                 .init = NULL,
 405                 .nonatomic = 1,
 406                 .dynamic = 1,
 407         },
 408
 409         /* Back End DAI links */
 410         {
 411                 /* SSP0 - Codec */
 412                 .name = "SSP0-Codec",
 413                 .id = 0,
 414                 .cpu_dai_name = "SSP0 Pin",
 415                 .platform_name = "0000:00:1f.3",
 416                 .no_pcm = 1,
 417                 .codec_name = "i2c-INT343A:00",
 418                 .codec_dai_name = "rt286-aif1",
 419                 .init = skylake_rt286_codec_init,
 420                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 421                         SND_SOC_DAIFMT_NB_NF |
 422                         SND_SOC_DAIFMT_CBS_CFS,
 423                 .ignore_pmdown_time = 1,
 424                 .be_hw_params_fixup = skylake_ssp0_fixup,
 425                 .ops = &skylake_rt286_ops,
 426                 .dpcm_playback = 1,
 427                 .dpcm_capture = 1,
 428         },
 429         {
 430                 .name = "dmic01",
 431                 .id = 1,
 432                 .cpu_dai_name = "DMIC01 Pin",
 433                 .codec_name = "dmic-codec",
 434                 .codec_dai_name = "dmic-hifi",
 435                 .platform_name = "0000:00:1f.3",
 436                 .be_hw_params_fixup = skylake_dmic_fixup,
 437                 .ignore_suspend = 1,
 438                 .dpcm_capture = 1,
 439                 .no_pcm = 1,
 440         },
 441         {
 442                 .name = "iDisp1",
 443                 .id = 2,
 444                 .cpu_dai_name = "iDisp1 Pin",
 445                 .codec_name = "ehdaudio0D2",
 446                 .codec_dai_name = "intel-hdmi-hifi1",
 447                 .platform_name = "0000:00:1f.3",
 448                 .init = skylake_hdmi_init,
 449                 .dpcm_playback = 1,
 450                 .no_pcm = 1,
 451         },
 452         {
 453                 .name = "iDisp2",
 454                 .id = 3,
 455                 .cpu_dai_name = "iDisp2 Pin",
 456                 .codec_name = "ehdaudio0D2",
 457                 .codec_dai_name = "intel-hdmi-hifi2",
 458                 .platform_name = "0000:00:1f.3",
 459                 .init = skylake_hdmi_init,
 460                 .dpcm_playback = 1,
 461                 .no_pcm = 1,
 462         },
 463         {
 464                 .name = "iDisp3",
 465                 .id = 4,
 466                 .cpu_dai_name = "iDisp3 Pin",
 467                 .codec_name = "ehdaudio0D2",
 468                 .codec_dai_name = "intel-hdmi-hifi3",
 469                 .platform_name = "0000:00:1f.3",
 470                 .init = skylake_hdmi_init,
 471                 .dpcm_playback = 1,
 472                 .no_pcm = 1,
 473         },
 474 };
 475
 476 #define NAME_SIZE       32
 477 static int skylake_card_late_probe(struct snd_soc_card *card)
 478 {
 479         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
 480         struct skl_hdmi_pcm *pcm;
 481         struct snd_soc_codec *codec = NULL;
 482         int err, i = 0;
 483         char jack_name[NAME_SIZE];
 484
 485         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 486                 codec = pcm->codec_dai->codec;
 487                 snprintf(jack_name, sizeof(jack_name),
 488                         "HDMI/DP, pcm=%d Jack", pcm->device);
 489                 err = snd_soc_card_jack_new(card, jack_name,
 490                                         SND_JACK_AVOUT, &skylake_hdmi[i],
 491                                         NULL, 0);
 492
 493                 if (err)
 494                         return err;
 495
 496                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 497                                                 &skylake_hdmi[i]);
 498                 if (err < 0)
 499                         return err;
 500
 501                 i++;
 502         }
 503
 504         if (!codec)
 505                 return -EINVAL;
 506
 507         return hdac_hdmi_jack_port_init(codec, &card->dapm);
 508 }
 509
 510 /* skylake audio machine driver for SPT + RT286S */
 511 static struct snd_soc_card skylake_rt286 = {
 512         .name = "skylake-rt286",
 513         .owner = THIS_MODULE,
 514         .dai_link = skylake_rt286_dais,
 515         .num_links = ARRAY_SIZE(skylake_rt286_dais),
 516         .controls = skylake_controls,
 517         .num_controls = ARRAY_SIZE(skylake_controls),
 518         .dapm_widgets = skylake_widgets,
 519         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 520         .dapm_routes = skylake_rt286_map,
 521         .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
 522         .fully_routed = true,
 523         .late_probe = skylake_card_late_probe,
 524 };
 525
 526 static int skylake_audio_probe(struct platform_device *pdev)
 527 {
 528         struct skl_rt286_private *ctx;
 529
 530         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 531         if (!ctx)
 532                 return -ENOMEM;
 533
 534         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 535
 536         skylake_rt286.dev = &pdev->dev;
 537         snd_soc_card_set_drvdata(&skylake_rt286, ctx);
 538
 539         return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
 540 }
 541
 542 static const struct platform_device_id skl_board_ids[] = {
 543         { .name = "skl_alc286s_i2s" },
 544         { .name = "kbl_alc286s_i2s" },
 545         { }
 546 };
 547
 548 static struct platform_driver skylake_audio = {
 549         .probe = skylake_audio_probe,
 550         .driver = {
 551                 .name = "skl_alc286s_i2s",
 552                 .pm = &snd_soc_pm_ops,
 553         },
 554         .id_table = skl_board_ids,
 555
 556 };
 557
 558 module_platform_driver(skylake_audio)
 559
 560 /* Module information */
 561 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
 562 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
 563 MODULE_LICENSE("GPL v2");
 564 MODULE_ALIAS("platform:skl_alc286s_i2s");
 565 MODULE_ALIAS("platform:kbl_alc286s_i2s");