sound/soc/intel/boards/skl_rt286.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Intel Skylake I2S Machine Driver
   4  *
   5  * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
   6  *
   7  * Modified from:
   8  *   Intel Broadwell Wildcatpoint SST Audio
   9  *
  10  *   Copyright (C) 2013, Intel Corporation. All rights reserved.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/platform_device.h>
  15 #include <sound/core.h>
  16 #include <sound/pcm.h>
  17 #include <sound/soc.h>
  18 #include <sound/jack.h>
  19 #include <sound/pcm_params.h>
  20 #include "../../codecs/rt286.h"
  21 #include "../../codecs/hdac_hdmi.h"
  22
  23 static struct snd_soc_jack skylake_headset;
  24 static struct snd_soc_jack skylake_hdmi[3];
  25
  26 struct skl_hdmi_pcm {
  27         struct list_head head;
  28         struct snd_soc_dai *codec_dai;
  29         int device;
  30 };
  31
  32 struct skl_rt286_private {
  33         struct list_head hdmi_pcm_list;
  34 };
  35
  36 enum {
  37         SKL_DPCM_AUDIO_PB = 0,
  38         SKL_DPCM_AUDIO_DB_PB,
  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 /* Headset jack detection DAPM pins */
  48 static struct snd_soc_jack_pin skylake_headset_pins[] = {
  49         {
  50                 .pin = "Mic Jack",
  51                 .mask = SND_JACK_MICROPHONE,
  52         },
  53         {
  54                 .pin = "Headphone Jack",
  55                 .mask = SND_JACK_HEADPHONE,
  56         },
  57 };
  58
  59 static const struct snd_kcontrol_new skylake_controls[] = {
  60         SOC_DAPM_PIN_SWITCH("Speaker"),
  61         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  62         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  63 };
  64
  65 static const struct snd_soc_dapm_widget skylake_widgets[] = {
  66         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  67         SND_SOC_DAPM_SPK("Speaker", NULL),
  68         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  69         SND_SOC_DAPM_MIC("DMIC2", NULL),
  70         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  71         SND_SOC_DAPM_SPK("HDMI1", NULL),
  72         SND_SOC_DAPM_SPK("HDMI2", NULL),
  73         SND_SOC_DAPM_SPK("HDMI3", NULL),
  74 };
  75
  76 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
  77         /* speaker */
  78         {"Speaker", NULL, "SPOR"},
  79         {"Speaker", NULL, "SPOL"},
  80
  81         /* HP jack connectors - unknown if we have jack deteck */
  82         {"Headphone Jack", NULL, "HPO Pin"},
  83
  84         /* other jacks */
  85         {"MIC1", NULL, "Mic Jack"},
  86
  87         /* digital mics */
  88         {"DMIC1 Pin", NULL, "DMIC2"},
  89         {"DMic", NULL, "SoC DMIC"},
  90
  91         /* CODEC BE connections */
  92         { "AIF1 Playback", NULL, "ssp0 Tx"},
  93         { "ssp0 Tx", NULL, "codec0_out"},
  94         { "ssp0 Tx", NULL, "codec1_out"},
  95
  96         { "codec0_in", NULL, "ssp0 Rx" },
  97         { "codec1_in", NULL, "ssp0 Rx" },
  98         { "ssp0 Rx", NULL, "AIF1 Capture" },
  99
 100         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 101         { "DMIC01 Rx", NULL, "DMIC AIF" },
 102
 103         { "hifi3", NULL, "iDisp3 Tx"},
 104         { "iDisp3 Tx", NULL, "iDisp3_out"},
 105         { "hifi2", NULL, "iDisp2 Tx"},
 106         { "iDisp2 Tx", NULL, "iDisp2_out"},
 107         { "hifi1", NULL, "iDisp1 Tx"},
 108         { "iDisp1 Tx", NULL, "iDisp1_out"},
 109
 110 };
 111
 112 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
 113 {
 114         struct snd_soc_dapm_context *dapm;
 115         struct snd_soc_component *component = rtd->cpu_dai->component;
 116
 117         dapm = snd_soc_component_get_dapm(component);
 118         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 119
 120         return 0;
 121 }
 122
 123 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
 124 {
 125         struct snd_soc_component *component = rtd->codec_dai->component;
 126         int ret;
 127
 128         ret = snd_soc_card_jack_new(rtd->card, "Headset",
 129                 SND_JACK_HEADSET | SND_JACK_BTN_0,
 130                 &skylake_headset,
 131                 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
 132
 133         if (ret)
 134                 return ret;
 135
 136         rt286_mic_detect(component, &skylake_headset);
 137
 138         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 139
 140         return 0;
 141 }
 142
 143 static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 144 {
 145         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 146         struct snd_soc_dai *dai = rtd->codec_dai;
 147         struct skl_hdmi_pcm *pcm;
 148
 149         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 150         if (!pcm)
 151                 return -ENOMEM;
 152
 153         pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
 154         pcm->codec_dai = dai;
 155
 156         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 157
 158         return 0;
 159 }
 160
 161 static const unsigned int rates[] = {
 162         48000,
 163 };
 164
 165 static const struct snd_pcm_hw_constraint_list constraints_rates = {
 166         .count = ARRAY_SIZE(rates),
 167         .list  = rates,
 168         .mask = 0,
 169 };
 170
 171 static const unsigned int channels[] = {
 172         2,
 173 };
 174
 175 static const struct snd_pcm_hw_constraint_list constraints_channels = {
 176         .count = ARRAY_SIZE(channels),
 177         .list = channels,
 178         .mask = 0,
 179 };
 180
 181 static int skl_fe_startup(struct snd_pcm_substream *substream)
 182 {
 183         struct snd_pcm_runtime *runtime = substream->runtime;
 184
 185         /*
 186          * on this platform for PCM device we support,
 187          *      48Khz
 188          *      stereo
 189          *      16 bit audio
 190          */
 191
 192         runtime->hw.channels_max = 2;
 193         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 194                                            &constraints_channels);
 195
 196         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 197         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 198
 199         snd_pcm_hw_constraint_list(runtime, 0,
 200                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 201
 202         return 0;
 203 }
 204
 205 static const struct snd_soc_ops skylake_rt286_fe_ops = {
 206         .startup = skl_fe_startup,
 207 };
 208
 209 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
 210                         struct snd_pcm_hw_params *params)
 211 {
 212         struct snd_interval *rate = hw_param_interval(params,
 213                         SNDRV_PCM_HW_PARAM_RATE);
 214         struct snd_interval *channels = hw_param_interval(params,
 215                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 216         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 217
 218         /* The output is 48KHz, stereo, 16bits */
 219         rate->min = rate->max = 48000;
 220         channels->min = channels->max = 2;
 221
 222         /* set SSP0 to 24 bit */
 223         snd_mask_none(fmt);
 224         snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
 225         return 0;
 226 }
 227
 228 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
 229         struct snd_pcm_hw_params *params)
 230 {
 231         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 232         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 233         int ret;
 234
 235         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
 236                 SND_SOC_CLOCK_IN);
 237         if (ret < 0)
 238                 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
 239
 240         return ret;
 241 }
 242
 243 static const struct snd_soc_ops skylake_rt286_ops = {
 244         .hw_params = skylake_rt286_hw_params,
 245 };
 246
 247 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 248                                 struct snd_pcm_hw_params *params)
 249 {
 250         struct snd_interval *channels = hw_param_interval(params,
 251                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 252         if (params_channels(params) == 2)
 253                 channels->min = channels->max = 2;
 254         else
 255                 channels->min = channels->max = 4;
 256
 257         return 0;
 258 }
 259
 260 static const unsigned int channels_dmic[] = {
 261         2, 4,
 262 };
 263
 264 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 265         .count = ARRAY_SIZE(channels_dmic),
 266         .list = channels_dmic,
 267         .mask = 0,
 268 };
 269
 270 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 271 {
 272         struct snd_pcm_runtime *runtime = substream->runtime;
 273
 274         runtime->hw.channels_max = 4;
 275         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 276                                            &constraints_dmic_channels);
 277
 278         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 279                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 280 }
 281
 282 static const struct snd_soc_ops skylake_dmic_ops = {
 283         .startup = skylake_dmic_startup,
 284 };
 285
 286 /* skylake digital audio interface glue - connects codec <--> CPU */
 287 static struct snd_soc_dai_link skylake_rt286_dais[] = {
 288         /* Front End DAI links */
 289         [SKL_DPCM_AUDIO_PB] = {
 290                 .name = "Skl Audio Port",
 291                 .stream_name = "Audio",
 292                 .cpu_dai_name = "System Pin",
 293                 .platform_name = "0000:00:1f.3",
 294                 .nonatomic = 1,
 295                 .dynamic = 1,
 296                 .codec_name = "snd-soc-dummy",
 297                 .codec_dai_name = "snd-soc-dummy-dai",
 298                 .init = skylake_rt286_fe_init,
 299                 .trigger = {
 300                         SND_SOC_DPCM_TRIGGER_POST,
 301                         SND_SOC_DPCM_TRIGGER_POST
 302                 },
 303                 .dpcm_playback = 1,
 304                 .ops = &skylake_rt286_fe_ops,
 305         },
 306         [SKL_DPCM_AUDIO_DB_PB] = {
 307                 .name = "Skl Deepbuffer Port",
 308                 .stream_name = "Deep Buffer Audio",
 309                 .cpu_dai_name = "Deepbuffer Pin",
 310                 .platform_name = "0000:00:1f.3",
 311                 .nonatomic = 1,
 312                 .dynamic = 1,
 313                 .codec_name = "snd-soc-dummy",
 314                 .codec_dai_name = "snd-soc-dummy-dai",
 315                 .trigger = {
 316                         SND_SOC_DPCM_TRIGGER_POST,
 317                         SND_SOC_DPCM_TRIGGER_POST
 318                 },
 319                 .dpcm_playback = 1,
 320                 .ops = &skylake_rt286_fe_ops,
 321
 322         },
 323         [SKL_DPCM_AUDIO_CP] = {
 324                 .name = "Skl Audio Capture Port",
 325                 .stream_name = "Audio Record",
 326                 .cpu_dai_name = "System Pin",
 327                 .platform_name = "0000:00:1f.3",
 328                 .nonatomic = 1,
 329                 .dynamic = 1,
 330                 .codec_name = "snd-soc-dummy",
 331                 .codec_dai_name = "snd-soc-dummy-dai",
 332                 .trigger = {
 333                         SND_SOC_DPCM_TRIGGER_POST,
 334                         SND_SOC_DPCM_TRIGGER_POST
 335                 },
 336                 .dpcm_capture = 1,
 337                 .ops = &skylake_rt286_fe_ops,
 338         },
 339         [SKL_DPCM_AUDIO_REF_CP] = {
 340                 .name = "Skl Audio Reference cap",
 341                 .stream_name = "refcap",
 342                 .cpu_dai_name = "Reference Pin",
 343                 .codec_name = "snd-soc-dummy",
 344                 .codec_dai_name = "snd-soc-dummy-dai",
 345                 .platform_name = "0000:00:1f.3",
 346                 .init = NULL,
 347                 .dpcm_capture = 1,
 348                 .nonatomic = 1,
 349                 .dynamic = 1,
 350         },
 351         [SKL_DPCM_AUDIO_DMIC_CP] = {
 352                 .name = "Skl Audio DMIC cap",
 353                 .stream_name = "dmiccap",
 354                 .cpu_dai_name = "DMIC Pin",
 355                 .codec_name = "snd-soc-dummy",
 356                 .codec_dai_name = "snd-soc-dummy-dai",
 357                 .platform_name = "0000:00:1f.3",
 358                 .init = NULL,
 359                 .dpcm_capture = 1,
 360                 .nonatomic = 1,
 361                 .dynamic = 1,
 362                 .ops = &skylake_dmic_ops,
 363         },
 364         [SKL_DPCM_AUDIO_HDMI1_PB] = {
 365                 .name = "Skl HDMI Port1",
 366                 .stream_name = "Hdmi1",
 367                 .cpu_dai_name = "HDMI1 Pin",
 368                 .codec_name = "snd-soc-dummy",
 369                 .codec_dai_name = "snd-soc-dummy-dai",
 370                 .platform_name = "0000:00:1f.3",
 371                 .dpcm_playback = 1,
 372                 .init = NULL,
 373                 .nonatomic = 1,
 374                 .dynamic = 1,
 375         },
 376         [SKL_DPCM_AUDIO_HDMI2_PB] = {
 377                 .name = "Skl HDMI Port2",
 378                 .stream_name = "Hdmi2",
 379                 .cpu_dai_name = "HDMI2 Pin",
 380                 .codec_name = "snd-soc-dummy",
 381                 .codec_dai_name = "snd-soc-dummy-dai",
 382                 .platform_name = "0000:00:1f.3",
 383                 .dpcm_playback = 1,
 384                 .init = NULL,
 385                 .nonatomic = 1,
 386                 .dynamic = 1,
 387         },
 388         [SKL_DPCM_AUDIO_HDMI3_PB] = {
 389                 .name = "Skl HDMI Port3",
 390                 .stream_name = "Hdmi3",
 391                 .cpu_dai_name = "HDMI3 Pin",
 392                 .codec_name = "snd-soc-dummy",
 393                 .codec_dai_name = "snd-soc-dummy-dai",
 394                 .platform_name = "0000:00:1f.3",
 395                 .dpcm_playback = 1,
 396                 .init = NULL,
 397                 .nonatomic = 1,
 398                 .dynamic = 1,
 399         },
 400
 401         /* Back End DAI links */
 402         {
 403                 /* SSP0 - Codec */
 404                 .name = "SSP0-Codec",
 405                 .id = 0,
 406                 .cpu_dai_name = "SSP0 Pin",
 407                 .platform_name = "0000:00:1f.3",
 408                 .no_pcm = 1,
 409                 .codec_name = "i2c-INT343A:00",
 410                 .codec_dai_name = "rt286-aif1",
 411                 .init = skylake_rt286_codec_init,
 412                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 413                         SND_SOC_DAIFMT_NB_NF |
 414                         SND_SOC_DAIFMT_CBS_CFS,
 415                 .ignore_pmdown_time = 1,
 416                 .be_hw_params_fixup = skylake_ssp0_fixup,
 417                 .ops = &skylake_rt286_ops,
 418                 .dpcm_playback = 1,
 419                 .dpcm_capture = 1,
 420         },
 421         {
 422                 .name = "dmic01",
 423                 .id = 1,
 424                 .cpu_dai_name = "DMIC01 Pin",
 425                 .codec_name = "dmic-codec",
 426                 .codec_dai_name = "dmic-hifi",
 427                 .platform_name = "0000:00:1f.3",
 428                 .be_hw_params_fixup = skylake_dmic_fixup,
 429                 .ignore_suspend = 1,
 430                 .dpcm_capture = 1,
 431                 .no_pcm = 1,
 432         },
 433         {
 434                 .name = "iDisp1",
 435                 .id = 2,
 436                 .cpu_dai_name = "iDisp1 Pin",
 437                 .codec_name = "ehdaudio0D2",
 438                 .codec_dai_name = "intel-hdmi-hifi1",
 439                 .platform_name = "0000:00:1f.3",
 440                 .init = skylake_hdmi_init,
 441                 .dpcm_playback = 1,
 442                 .no_pcm = 1,
 443         },
 444         {
 445                 .name = "iDisp2",
 446                 .id = 3,
 447                 .cpu_dai_name = "iDisp2 Pin",
 448                 .codec_name = "ehdaudio0D2",
 449                 .codec_dai_name = "intel-hdmi-hifi2",
 450                 .platform_name = "0000:00:1f.3",
 451                 .init = skylake_hdmi_init,
 452                 .dpcm_playback = 1,
 453                 .no_pcm = 1,
 454         },
 455         {
 456                 .name = "iDisp3",
 457                 .id = 4,
 458                 .cpu_dai_name = "iDisp3 Pin",
 459                 .codec_name = "ehdaudio0D2",
 460                 .codec_dai_name = "intel-hdmi-hifi3",
 461                 .platform_name = "0000:00:1f.3",
 462                 .init = skylake_hdmi_init,
 463                 .dpcm_playback = 1,
 464                 .no_pcm = 1,
 465         },
 466 };
 467
 468 #define NAME_SIZE       32
 469 static int skylake_card_late_probe(struct snd_soc_card *card)
 470 {
 471         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
 472         struct skl_hdmi_pcm *pcm;
 473         struct snd_soc_component *component = NULL;
 474         int err, i = 0;
 475         char jack_name[NAME_SIZE];
 476
 477         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 478                 component = pcm->codec_dai->component;
 479                 snprintf(jack_name, sizeof(jack_name),
 480                         "HDMI/DP, pcm=%d Jack", pcm->device);
 481                 err = snd_soc_card_jack_new(card, jack_name,
 482                                         SND_JACK_AVOUT, &skylake_hdmi[i],
 483                                         NULL, 0);
 484
 485                 if (err)
 486                         return err;
 487
 488                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 489                                                 &skylake_hdmi[i]);
 490                 if (err < 0)
 491                         return err;
 492
 493                 i++;
 494         }
 495
 496         if (!component)
 497                 return -EINVAL;
 498
 499         return hdac_hdmi_jack_port_init(component, &card->dapm);
 500 }
 501
 502 /* skylake audio machine driver for SPT + RT286S */
 503 static struct snd_soc_card skylake_rt286 = {
 504         .name = "skylake-rt286",
 505         .owner = THIS_MODULE,
 506         .dai_link = skylake_rt286_dais,
 507         .num_links = ARRAY_SIZE(skylake_rt286_dais),
 508         .controls = skylake_controls,
 509         .num_controls = ARRAY_SIZE(skylake_controls),
 510         .dapm_widgets = skylake_widgets,
 511         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 512         .dapm_routes = skylake_rt286_map,
 513         .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
 514         .fully_routed = true,
 515         .late_probe = skylake_card_late_probe,
 516 };
 517
 518 static int skylake_audio_probe(struct platform_device *pdev)
 519 {
 520         struct skl_rt286_private *ctx;
 521
 522         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 523         if (!ctx)
 524                 return -ENOMEM;
 525
 526         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 527
 528         skylake_rt286.dev = &pdev->dev;
 529         snd_soc_card_set_drvdata(&skylake_rt286, ctx);
 530
 531         return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
 532 }
 533
 534 static const struct platform_device_id skl_board_ids[] = {
 535         { .name = "skl_alc286s_i2s" },
 536         { .name = "kbl_alc286s_i2s" },
 537         { }
 538 };
 539
 540 static struct platform_driver skylake_audio = {
 541         .probe = skylake_audio_probe,
 542         .driver = {
 543                 .name = "skl_alc286s_i2s",
 544                 .pm = &snd_soc_pm_ops,
 545         },
 546         .id_table = skl_board_ids,
 547
 548 };
 549
 550 module_platform_driver(skylake_audio)
 551
 552 /* Module information */
 553 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
 554 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
 555 MODULE_LICENSE("GPL v2");
 556 MODULE_ALIAS("platform:skl_alc286s_i2s");
 557 MODULE_ALIAS("platform:kbl_alc286s_i2s");