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