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
  33 struct skl_hdmi_pcm {
  34         struct list_head head;
  35         struct snd_soc_dai *codec_dai;
  36         int device;
  37 };
  38
  39 struct skl_rt286_private {
  40         struct list_head hdmi_pcm_list;
  41 };
  42
  43 enum {
  44         SKL_DPCM_AUDIO_PB = 0,
  45         SKL_DPCM_AUDIO_CP,
  46         SKL_DPCM_AUDIO_REF_CP,
  47         SKL_DPCM_AUDIO_DMIC_CP,
  48         SKL_DPCM_AUDIO_HDMI1_PB,
  49         SKL_DPCM_AUDIO_HDMI2_PB,
  50         SKL_DPCM_AUDIO_HDMI3_PB,
  51 };
  52
  53 /* Headset jack detection DAPM pins */
  54 static struct snd_soc_jack_pin skylake_headset_pins[] = {
  55         {
  56                 .pin = "Mic Jack",
  57                 .mask = SND_JACK_MICROPHONE,
  58         },
  59         {
  60                 .pin = "Headphone Jack",
  61                 .mask = SND_JACK_HEADPHONE,
  62         },
  63 };
  64
  65 static const struct snd_kcontrol_new skylake_controls[] = {
  66         SOC_DAPM_PIN_SWITCH("Speaker"),
  67         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  68         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  69 };
  70
  71 static const struct snd_soc_dapm_widget skylake_widgets[] = {
  72         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  73         SND_SOC_DAPM_SPK("Speaker", NULL),
  74         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  75         SND_SOC_DAPM_MIC("DMIC2", NULL),
  76         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  77         SND_SOC_DAPM_SPK("HDMI1", NULL),
  78         SND_SOC_DAPM_SPK("HDMI2", NULL),
  79         SND_SOC_DAPM_SPK("HDMI3", NULL),
  80 };
  81
  82 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
  83         /* speaker */
  84         {"Speaker", NULL, "SPOR"},
  85         {"Speaker", NULL, "SPOL"},
  86
  87         /* HP jack connectors - unknown if we have jack deteck */
  88         {"Headphone Jack", NULL, "HPO Pin"},
  89
  90         /* other jacks */
  91         {"MIC1", NULL, "Mic Jack"},
  92
  93         /* digital mics */
  94         {"DMIC1 Pin", NULL, "DMIC2"},
  95         {"DMic", NULL, "SoC DMIC"},
  96
  97         {"HDMI1", NULL, "hif5 Output"},
  98         {"HDMI2", NULL, "hif6 Output"},
  99         {"HDMI3", NULL, "hif7 Output"},
 100
 101         /* CODEC BE connections */
 102         { "AIF1 Playback", NULL, "ssp0 Tx"},
 103         { "ssp0 Tx", NULL, "codec0_out"},
 104         { "ssp0 Tx", NULL, "codec1_out"},
 105
 106         { "codec0_in", NULL, "ssp0 Rx" },
 107         { "codec1_in", NULL, "ssp0 Rx" },
 108         { "ssp0 Rx", NULL, "AIF1 Capture" },
 109
 110         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 111         { "DMIC01 Rx", NULL, "DMIC AIF" },
 112
 113         { "hifi3", NULL, "iDisp3 Tx"},
 114         { "iDisp3 Tx", NULL, "iDisp3_out"},
 115         { "hifi2", NULL, "iDisp2 Tx"},
 116         { "iDisp2 Tx", NULL, "iDisp2_out"},
 117         { "hifi1", NULL, "iDisp1 Tx"},
 118         { "iDisp1 Tx", NULL, "iDisp1_out"},
 119
 120 };
 121
 122 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
 123 {
 124         struct snd_soc_dapm_context *dapm;
 125         struct snd_soc_component *component = rtd->cpu_dai->component;
 126
 127         dapm = snd_soc_component_get_dapm(component);
 128         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 129
 130         return 0;
 131 }
 132
 133 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
 134 {
 135         struct snd_soc_codec *codec = rtd->codec;
 136         int ret;
 137
 138         ret = snd_soc_card_jack_new(rtd->card, "Headset",
 139                 SND_JACK_HEADSET | SND_JACK_BTN_0,
 140                 &skylake_headset,
 141                 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
 142
 143         if (ret)
 144                 return ret;
 145
 146         rt286_mic_detect(codec, &skylake_headset);
 147
 148         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 149
 150         return 0;
 151 }
 152
 153 static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 154 {
 155         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 156         struct snd_soc_dai *dai = rtd->codec_dai;
 157         struct skl_hdmi_pcm *pcm;
 158
 159         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 160         if (!pcm)
 161                 return -ENOMEM;
 162
 163         pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
 164         pcm->codec_dai = dai;
 165
 166         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 167
 168         return 0;
 169 }
 170
 171 static unsigned int rates[] = {
 172         48000,
 173 };
 174
 175 static struct snd_pcm_hw_constraint_list constraints_rates = {
 176         .count = ARRAY_SIZE(rates),
 177         .list  = rates,
 178         .mask = 0,
 179 };
 180
 181 static unsigned int channels[] = {
 182         2,
 183 };
 184
 185 static struct snd_pcm_hw_constraint_list constraints_channels = {
 186         .count = ARRAY_SIZE(channels),
 187         .list = channels,
 188         .mask = 0,
 189 };
 190
 191 static int skl_fe_startup(struct snd_pcm_substream *substream)
 192 {
 193         struct snd_pcm_runtime *runtime = substream->runtime;
 194
 195         /*
 196          * on this platform for PCM device we support,
 197          *      48Khz
 198          *      stereo
 199          *      16 bit audio
 200          */
 201
 202         runtime->hw.channels_max = 2;
 203         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 204                                            &constraints_channels);
 205
 206         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 207         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 208
 209         snd_pcm_hw_constraint_list(runtime, 0,
 210                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 211
 212         return 0;
 213 }
 214
 215 static const struct snd_soc_ops skylake_rt286_fe_ops = {
 216         .startup = skl_fe_startup,
 217 };
 218
 219 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 220                         struct snd_pcm_hw_params *params)
 221 {
 222         struct snd_interval *rate = hw_param_interval(params,
 223                         SNDRV_PCM_HW_PARAM_RATE);
 224         struct snd_interval *channels = hw_param_interval(params,
 225                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 226         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 227
 228         /* The output is 48KHz, stereo, 16bits */
 229         rate->min = rate->max = 48000;
 230         channels->min = channels->max = 2;
 231
 232         /* set SSP0 to 24 bit */
 233         snd_mask_none(fmt);
 234         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 235         return 0;
 236 }
 237
 238 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
 239         struct snd_pcm_hw_params *params)
 240 {
 241         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 242         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 243         int ret;
 244
 245         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 246                 SND_SOC_CLOCK_IN);
 247         if (ret < 0)
 248                 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
 249
 250         return ret;
 251 }
 252
 253 static struct snd_soc_ops skylake_rt286_ops = {
 254         .hw_params = skylake_rt286_hw_params,
 255 };
 256
 257 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 258                                 struct snd_pcm_hw_params *params)
 259 {
 260         struct snd_interval *channels = hw_param_interval(params,
 261                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 262         if (params_channels(params) == 2)
 263                 channels->min = channels->max = 2;
 264         else
 265                 channels->min = channels->max = 4;
 266
 267         return 0;
 268 }
 269
 270 static unsigned int channels_dmic[] = {
 271         2, 4,
 272 };
 273
 274 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 275         .count = ARRAY_SIZE(channels_dmic),
 276         .list = channels_dmic,
 277         .mask = 0,
 278 };
 279
 280 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 281 {
 282         struct snd_pcm_runtime *runtime = substream->runtime;
 283
 284         runtime->hw.channels_max = 4;
 285         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 286                                            &constraints_dmic_channels);
 287
 288         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 289                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 290 }
 291
 292 static struct snd_soc_ops skylake_dmic_ops = {
 293         .startup = skylake_dmic_startup,
 294 };
 295
 296 /* skylake digital audio interface glue - connects codec <--> CPU */
 297 static struct snd_soc_dai_link skylake_rt286_dais[] = {
 298         /* Front End DAI links */
 299         [SKL_DPCM_AUDIO_PB] = {
 300                 .name = "Skl Audio Port",
 301                 .stream_name = "Audio",
 302                 .cpu_dai_name = "System Pin",
 303                 .platform_name = "0000:00:1f.3",
 304                 .nonatomic = 1,
 305                 .dynamic = 1,
 306                 .codec_name = "snd-soc-dummy",
 307                 .codec_dai_name = "snd-soc-dummy-dai",
 308                 .init = skylake_rt286_fe_init,
 309                 .trigger = {
 310                         SND_SOC_DPCM_TRIGGER_POST,
 311                         SND_SOC_DPCM_TRIGGER_POST
 312                 },
 313                 .dpcm_playback = 1,
 314                 .ops = &skylake_rt286_fe_ops,
 315         },
 316         [SKL_DPCM_AUDIO_CP] = {
 317                 .name = "Skl Audio Capture Port",
 318                 .stream_name = "Audio Record",
 319                 .cpu_dai_name = "System Pin",
 320                 .platform_name = "0000:00:1f.3",
 321                 .nonatomic = 1,
 322                 .dynamic = 1,
 323                 .codec_name = "snd-soc-dummy",
 324                 .codec_dai_name = "snd-soc-dummy-dai",
 325                 .trigger = {
 326                         SND_SOC_DPCM_TRIGGER_POST,
 327                         SND_SOC_DPCM_TRIGGER_POST
 328                 },
 329                 .dpcm_capture = 1,
 330                 .ops = &skylake_rt286_fe_ops,
 331         },
 332         [SKL_DPCM_AUDIO_REF_CP] = {
 333                 .name = "Skl Audio Reference cap",
 334                 .stream_name = "refcap",
 335                 .cpu_dai_name = "Reference Pin",
 336                 .codec_name = "snd-soc-dummy",
 337                 .codec_dai_name = "snd-soc-dummy-dai",
 338                 .platform_name = "0000:00:1f.3",
 339                 .init = NULL,
 340                 .dpcm_capture = 1,
 341                 .nonatomic = 1,
 342                 .dynamic = 1,
 343         },
 344         [SKL_DPCM_AUDIO_DMIC_CP] = {
 345                 .name = "Skl Audio DMIC cap",
 346                 .stream_name = "dmiccap",
 347                 .cpu_dai_name = "DMIC Pin",
 348                 .codec_name = "snd-soc-dummy",
 349                 .codec_dai_name = "snd-soc-dummy-dai",
 350                 .platform_name = "0000:00:1f.3",
 351                 .init = NULL,
 352                 .dpcm_capture = 1,
 353                 .nonatomic = 1,
 354                 .dynamic = 1,
 355                 .ops = &skylake_dmic_ops,
 356         },
 357         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 358                 .name = "Skl HDMI Port1",
 359                 .stream_name = "Hdmi1",
 360                 .cpu_dai_name = "HDMI1 Pin",
 361                 .codec_name = "snd-soc-dummy",
 362                 .codec_dai_name = "snd-soc-dummy-dai",
 363                 .platform_name = "0000:00:1f.3",
 364                 .dpcm_playback = 1,
 365                 .init = NULL,
 366                 .nonatomic = 1,
 367                 .dynamic = 1,
 368         },
 369         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 370                 .name = "Skl HDMI Port2",
 371                 .stream_name = "Hdmi2",
 372                 .cpu_dai_name = "HDMI2 Pin",
 373                 .codec_name = "snd-soc-dummy",
 374                 .codec_dai_name = "snd-soc-dummy-dai",
 375                 .platform_name = "0000:00:1f.3",
 376                 .dpcm_playback = 1,
 377                 .init = NULL,
 378                 .nonatomic = 1,
 379                 .dynamic = 1,
 380         },
 381         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 382                 .name = "Skl HDMI Port3",
 383                 .stream_name = "Hdmi3",
 384                 .cpu_dai_name = "HDMI3 Pin",
 385                 .codec_name = "snd-soc-dummy",
 386                 .codec_dai_name = "snd-soc-dummy-dai",
 387                 .platform_name = "0000:00:1f.3",
 388                 .dpcm_playback = 1,
 389                 .init = NULL,
 390                 .nonatomic = 1,
 391                 .dynamic = 1,
 392         },
 393
 394         /* Back End DAI links */
 395         {
 396                 /* SSP0 - Codec */
 397                 .name = "SSP0-Codec",
 398                 .id = 0,
 399                 .cpu_dai_name = "SSP0 Pin",
 400                 .platform_name = "0000:00:1f.3",
 401                 .no_pcm = 1,
 402                 .codec_name = "i2c-INT343A:00",
 403                 .codec_dai_name = "rt286-aif1",
 404                 .init = skylake_rt286_codec_init,
 405                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 406                         SND_SOC_DAIFMT_NB_NF |
 407                         SND_SOC_DAIFMT_CBS_CFS,
 408                 .ignore_pmdown_time = 1,
 409                 .be_hw_params_fixup = skylake_ssp0_fixup,
 410                 .ops = &skylake_rt286_ops,
 411                 .dpcm_playback = 1,
 412                 .dpcm_capture = 1,
 413         },
 414         {
 415                 .name = "dmic01",
 416                 .id = 1,
 417                 .cpu_dai_name = "DMIC01 Pin",
 418                 .codec_name = "dmic-codec",
 419                 .codec_dai_name = "dmic-hifi",
 420                 .platform_name = "0000:00:1f.3",
 421                 .be_hw_params_fixup = skylake_dmic_fixup,
 422                 .ignore_suspend = 1,
 423                 .dpcm_capture = 1,
 424                 .no_pcm = 1,
 425         },
 426         {
 427                 .name = "iDisp1",
 428                 .id = 2,
 429                 .cpu_dai_name = "iDisp1 Pin",
 430                 .codec_name = "ehdaudio0D2",
 431                 .codec_dai_name = "intel-hdmi-hifi1",
 432                 .platform_name = "0000:00:1f.3",
 433                 .init = skylake_hdmi_init,
 434                 .dpcm_playback = 1,
 435                 .no_pcm = 1,
 436         },
 437         {
 438                 .name = "iDisp2",
 439                 .id = 3,
 440                 .cpu_dai_name = "iDisp2 Pin",
 441                 .codec_name = "ehdaudio0D2",
 442                 .codec_dai_name = "intel-hdmi-hifi2",
 443                 .platform_name = "0000:00:1f.3",
 444                 .init = skylake_hdmi_init,
 445                 .dpcm_playback = 1,
 446                 .no_pcm = 1,
 447         },
 448         {
 449                 .name = "iDisp3",
 450                 .id = 4,
 451                 .cpu_dai_name = "iDisp3 Pin",
 452                 .codec_name = "ehdaudio0D2",
 453                 .codec_dai_name = "intel-hdmi-hifi3",
 454                 .platform_name = "0000:00:1f.3",
 455                 .init = skylake_hdmi_init,
 456                 .dpcm_playback = 1,
 457                 .no_pcm = 1,
 458         },
 459 };
 460
 461 static int skylake_card_late_probe(struct snd_soc_card *card)
 462 {
 463         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
 464         struct skl_hdmi_pcm *pcm;
 465         int err;
 466
 467         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 468                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
 469                 if (err < 0)
 470                         return err;
 471         }
 472
 473         return 0;
 474 }
 475
 476 /* skylake audio machine driver for SPT + RT286S */
 477 static struct snd_soc_card skylake_rt286 = {
 478         .name = "skylake-rt286",
 479         .owner = THIS_MODULE,
 480         .dai_link = skylake_rt286_dais,
 481         .num_links = ARRAY_SIZE(skylake_rt286_dais),
 482         .controls = skylake_controls,
 483         .num_controls = ARRAY_SIZE(skylake_controls),
 484         .dapm_widgets = skylake_widgets,
 485         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 486         .dapm_routes = skylake_rt286_map,
 487         .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
 488         .fully_routed = true,
 489         .late_probe = skylake_card_late_probe,
 490 };
 491
 492 static int skylake_audio_probe(struct platform_device *pdev)
 493 {
 494         struct skl_rt286_private *ctx;
 495
 496         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 497         if (!ctx)
 498                 return -ENOMEM;
 499
 500         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 501
 502         skylake_rt286.dev = &pdev->dev;
 503         snd_soc_card_set_drvdata(&skylake_rt286, ctx);
 504
 505         return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
 506 }
 507
 508 static struct platform_driver skylake_audio = {
 509         .probe = skylake_audio_probe,
 510         .driver = {
 511                 .name = "skl_alc286s_i2s",
 512                 .pm = &snd_soc_pm_ops,
 513         },
 514 };
 515
 516 module_platform_driver(skylake_audio)
 517
 518 /* Module information */
 519 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
 520 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
 521 MODULE_LICENSE("GPL v2");
 522 MODULE_ALIAS("platform:skl_alc286s_i2s");