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