sound/soc/intel/boards/bxt_rt298.c

   1 /*
   2  * Intel Broxton-P I2S Machine Driver
   3  *
   4  * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Skylake I2S Machine driver
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License version
  11  * 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/platform_device.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/soc.h>
  24 #include <sound/jack.h>
  25 #include <sound/pcm_params.h>
  26 #include "../../codecs/hdac_hdmi.h"
  27 #include "../../codecs/rt298.h"
  28
  29 /* Headset jack detection DAPM pins */
  30 static struct snd_soc_jack broxton_headset;
  31 static struct snd_soc_jack broxton_hdmi[3];
  32
  33 struct bxt_hdmi_pcm {
  34         struct list_head head;
  35         struct snd_soc_dai *codec_dai;
  36         int device;
  37 };
  38
  39 struct bxt_rt286_private {
  40         struct list_head hdmi_pcm_list;
  41 };
  42
  43 enum {
  44         BXT_DPCM_AUDIO_PB = 0,
  45         BXT_DPCM_AUDIO_CP,
  46         BXT_DPCM_AUDIO_REF_CP,
  47         BXT_DPCM_AUDIO_DMIC_CP,
  48         BXT_DPCM_AUDIO_HDMI1_PB,
  49         BXT_DPCM_AUDIO_HDMI2_PB,
  50         BXT_DPCM_AUDIO_HDMI3_PB,
  51 };
  52
  53 static struct snd_soc_jack_pin broxton_headset_pins[] = {
  54         {
  55                 .pin = "Mic Jack",
  56                 .mask = SND_JACK_MICROPHONE,
  57         },
  58         {
  59                 .pin = "Headphone Jack",
  60                 .mask = SND_JACK_HEADPHONE,
  61         },
  62 };
  63
  64 static const struct snd_kcontrol_new broxton_controls[] = {
  65         SOC_DAPM_PIN_SWITCH("Speaker"),
  66         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  67         SOC_DAPM_PIN_SWITCH("Mic Jack"),
  68 };
  69
  70 static const struct snd_soc_dapm_widget broxton_widgets[] = {
  71         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  72         SND_SOC_DAPM_SPK("Speaker", NULL),
  73         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  74         SND_SOC_DAPM_MIC("DMIC2", NULL),
  75         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  76         SND_SOC_DAPM_SPK("HDMI1", NULL),
  77         SND_SOC_DAPM_SPK("HDMI2", NULL),
  78         SND_SOC_DAPM_SPK("HDMI3", NULL),
  79 };
  80
  81 static const struct snd_soc_dapm_route broxton_rt298_map[] = {
  82         /* speaker */
  83         {"Speaker", NULL, "SPOR"},
  84         {"Speaker", NULL, "SPOL"},
  85
  86         /* HP jack connectors - unknown if we have jack detect */
  87         {"Headphone Jack", NULL, "HPO Pin"},
  88
  89         /* other jacks */
  90         {"MIC1", NULL, "Mic Jack"},
  91
  92         /* digital mics */
  93         {"DMIC1 Pin", NULL, "DMIC2"},
  94         {"DMic", NULL, "SoC DMIC"},
  95
  96         {"HDMI1", NULL, "hif5-0 Output"},
  97         {"HDMI2", NULL, "hif6-0 Output"},
  98         {"HDMI2", NULL, "hif7-0 Output"},
  99
 100         /* CODEC BE connections */
 101         { "AIF1 Playback", NULL, "ssp5 Tx"},
 102         { "ssp5 Tx", NULL, "codec0_out"},
 103         { "ssp5 Tx", NULL, "codec1_out"},
 104
 105         { "codec0_in", NULL, "ssp5 Rx" },
 106         { "ssp5 Rx", NULL, "AIF1 Capture" },
 107
 108         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 109         { "DMIC01 Rx", NULL, "Capture" },
 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 broxton_rt298_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 broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
 132 {
 133         struct snd_soc_codec *codec = rtd->codec;
 134         int ret = 0;
 135
 136         ret = snd_soc_card_jack_new(rtd->card, "Headset",
 137                 SND_JACK_HEADSET | SND_JACK_BTN_0,
 138                 &broxton_headset,
 139                 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
 140
 141         if (ret)
 142                 return ret;
 143
 144         rt298_mic_detect(codec, &broxton_headset);
 145
 146         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 147
 148         return 0;
 149 }
 150
 151 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 152 {
 153         struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 154         struct snd_soc_dai *dai = rtd->codec_dai;
 155         struct bxt_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 = BXT_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 int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
 170                         struct snd_pcm_hw_params *params)
 171 {
 172         struct snd_interval *rate = hw_param_interval(params,
 173                                         SNDRV_PCM_HW_PARAM_RATE);
 174         struct snd_interval *channels = hw_param_interval(params,
 175                                         SNDRV_PCM_HW_PARAM_CHANNELS);
 176         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 177
 178         /* The ADSP will covert the FE rate to 48k, stereo */
 179         rate->min = rate->max = 48000;
 180         channels->min = channels->max = 2;
 181
 182         /* set SSP5 to 24 bit */
 183         snd_mask_none(fmt);
 184         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 185
 186         return 0;
 187 }
 188
 189 static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
 190         struct snd_pcm_hw_params *params)
 191 {
 192         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 193         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 194         int ret;
 195
 196         ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
 197                                         19200000, SND_SOC_CLOCK_IN);
 198         if (ret < 0) {
 199                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
 200                 return ret;
 201         }
 202
 203         return ret;
 204 }
 205
 206 static const struct snd_soc_ops broxton_rt298_ops = {
 207         .hw_params = broxton_rt298_hw_params,
 208 };
 209
 210 static unsigned int rates[] = {
 211         48000,
 212 };
 213
 214 static struct snd_pcm_hw_constraint_list constraints_rates = {
 215         .count = ARRAY_SIZE(rates),
 216         .list  = rates,
 217         .mask = 0,
 218 };
 219
 220 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 221                                 struct snd_pcm_hw_params *params)
 222 {
 223         struct snd_interval *channels = hw_param_interval(params,
 224                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 225         if (params_channels(params) == 2)
 226                 channels->min = channels->max = 2;
 227         else
 228                 channels->min = channels->max = 4;
 229
 230         return 0;
 231 }
 232
 233 static unsigned int channels_dmic[] = {
 234         2, 4,
 235 };
 236
 237 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 238         .count = ARRAY_SIZE(channels_dmic),
 239         .list = channels_dmic,
 240         .mask = 0,
 241 };
 242
 243 static int broxton_dmic_startup(struct snd_pcm_substream *substream)
 244 {
 245         struct snd_pcm_runtime *runtime = substream->runtime;
 246
 247         runtime->hw.channels_max = 4;
 248         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 249                                         &constraints_dmic_channels);
 250
 251         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 252                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 253 }
 254
 255 static const struct snd_soc_ops broxton_dmic_ops = {
 256         .startup = broxton_dmic_startup,
 257 };
 258
 259 static unsigned int channels[] = {
 260         2,
 261 };
 262
 263 static struct snd_pcm_hw_constraint_list constraints_channels = {
 264         .count = ARRAY_SIZE(channels),
 265         .list = channels,
 266         .mask = 0,
 267 };
 268
 269 static int bxt_fe_startup(struct snd_pcm_substream *substream)
 270 {
 271         struct snd_pcm_runtime *runtime = substream->runtime;
 272
 273         /*
 274          * on this platform for PCM device we support:
 275          *      48Khz
 276          *      stereo
 277          *      16-bit audio
 278          */
 279
 280         runtime->hw.channels_max = 2;
 281         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 282                                 &constraints_channels);
 283
 284         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 285         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 286         snd_pcm_hw_constraint_list(runtime, 0,
 287                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 288
 289         return 0;
 290 }
 291
 292 static const struct snd_soc_ops broxton_rt286_fe_ops = {
 293         .startup = bxt_fe_startup,
 294 };
 295
 296 /* broxton digital audio interface glue - connects codec <--> CPU */
 297 static struct snd_soc_dai_link broxton_rt298_dais[] = {
 298         /* Front End DAI links */
 299         [BXT_DPCM_AUDIO_PB] =
 300         {
 301                 .name = "Bxt Audio Port",
 302                 .stream_name = "Audio",
 303                 .cpu_dai_name = "System Pin",
 304                 .platform_name = "0000:00:0e.0",
 305                 .nonatomic = 1,
 306                 .dynamic = 1,
 307                 .codec_name = "snd-soc-dummy",
 308                 .codec_dai_name = "snd-soc-dummy-dai",
 309                 .init = broxton_rt298_fe_init,
 310                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 311                 .dpcm_playback = 1,
 312                 .ops = &broxton_rt286_fe_ops,
 313         },
 314         [BXT_DPCM_AUDIO_CP] =
 315         {
 316                 .name = "Bxt Audio Capture Port",
 317                 .stream_name = "Audio Record",
 318                 .cpu_dai_name = "System Pin",
 319                 .platform_name = "0000:00:0e.0",
 320                 .nonatomic = 1,
 321                 .dynamic = 1,
 322                 .codec_name = "snd-soc-dummy",
 323                 .codec_dai_name = "snd-soc-dummy-dai",
 324                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 325                 .dpcm_capture = 1,
 326                 .ops = &broxton_rt286_fe_ops,
 327         },
 328         [BXT_DPCM_AUDIO_REF_CP] =
 329         {
 330                 .name = "Bxt 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 = "0000:00:0e.0",
 336                 .init = NULL,
 337                 .dpcm_capture = 1,
 338                 .nonatomic = 1,
 339                 .dynamic = 1,
 340         },
 341         [BXT_DPCM_AUDIO_DMIC_CP] =
 342         {
 343                 .name = "Bxt Audio DMIC cap",
 344                 .stream_name = "dmiccap",
 345                 .cpu_dai_name = "DMIC Pin",
 346                 .codec_name = "snd-soc-dummy",
 347                 .codec_dai_name = "snd-soc-dummy-dai",
 348                 .platform_name = "0000:00:0e.0",
 349                 .init = NULL,
 350                 .dpcm_capture = 1,
 351                 .nonatomic = 1,
 352                 .dynamic = 1,
 353                 .ops = &broxton_dmic_ops,
 354         },
 355         [BXT_DPCM_AUDIO_HDMI1_PB] =
 356         {
 357                 .name = "Bxt HDMI Port1",
 358                 .stream_name = "Hdmi1",
 359                 .cpu_dai_name = "HDMI1 Pin",
 360                 .codec_name = "snd-soc-dummy",
 361                 .codec_dai_name = "snd-soc-dummy-dai",
 362                 .platform_name = "0000:00:0e.0",
 363                 .dpcm_playback = 1,
 364                 .init = NULL,
 365                 .nonatomic = 1,
 366                 .dynamic = 1,
 367         },
 368         [BXT_DPCM_AUDIO_HDMI2_PB] =
 369         {
 370                 .name = "Bxt 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 = "0000:00:0e.0",
 376                 .dpcm_playback = 1,
 377                 .init = NULL,
 378                 .nonatomic = 1,
 379                 .dynamic = 1,
 380         },
 381         [BXT_DPCM_AUDIO_HDMI3_PB] =
 382         {
 383                 .name = "Bxt HDMI Port3",
 384                 .stream_name = "Hdmi3",
 385                 .cpu_dai_name = "HDMI3 Pin",
 386                 .codec_name = "snd-soc-dummy",
 387                 .codec_dai_name = "snd-soc-dummy-dai",
 388                 .platform_name = "0000:00:0e.0",
 389                 .dpcm_playback = 1,
 390                 .init = NULL,
 391                 .nonatomic = 1,
 392                 .dynamic = 1,
 393         },
 394         /* Back End DAI links */
 395         {
 396                 /* SSP5 - Codec */
 397                 .name = "SSP5-Codec",
 398                 .id = 0,
 399                 .cpu_dai_name = "SSP5 Pin",
 400                 .platform_name = "0000:00:0e.0",
 401                 .no_pcm = 1,
 402                 .codec_name = "i2c-INT343A:00",
 403                 .codec_dai_name = "rt298-aif1",
 404                 .init = broxton_rt298_codec_init,
 405                 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
 406                                                 SND_SOC_DAIFMT_CBS_CFS,
 407                 .ignore_pmdown_time = 1,
 408                 .be_hw_params_fixup = broxton_ssp5_fixup,
 409                 .ops = &broxton_rt298_ops,
 410                 .dpcm_playback = 1,
 411                 .dpcm_capture = 1,
 412         },
 413         {
 414                 .name = "dmic01",
 415                 .id = 1,
 416                 .cpu_dai_name = "DMIC01 Pin",
 417                 .codec_name = "dmic-codec",
 418                 .codec_dai_name = "dmic-hifi",
 419                 .platform_name = "0000:00:0e.0",
 420                 .be_hw_params_fixup = broxton_dmic_fixup,
 421                 .ignore_suspend = 1,
 422                 .dpcm_capture = 1,
 423                 .no_pcm = 1,
 424         },
 425         {
 426                 .name = "iDisp1",
 427                 .id = 3,
 428                 .cpu_dai_name = "iDisp1 Pin",
 429                 .codec_name = "ehdaudio0D2",
 430                 .codec_dai_name = "intel-hdmi-hifi1",
 431                 .platform_name = "0000:00:0e.0",
 432                 .init = broxton_hdmi_init,
 433                 .dpcm_playback = 1,
 434                 .no_pcm = 1,
 435         },
 436         {
 437                 .name = "iDisp2",
 438                 .id = 4,
 439                 .cpu_dai_name = "iDisp2 Pin",
 440                 .codec_name = "ehdaudio0D2",
 441                 .codec_dai_name = "intel-hdmi-hifi2",
 442                 .platform_name = "0000:00:0e.0",
 443                 .init = broxton_hdmi_init,
 444                 .dpcm_playback = 1,
 445                 .no_pcm = 1,
 446         },
 447         {
 448                 .name = "iDisp3",
 449                 .id = 5,
 450                 .cpu_dai_name = "iDisp3 Pin",
 451                 .codec_name = "ehdaudio0D2",
 452                 .codec_dai_name = "intel-hdmi-hifi3",
 453                 .platform_name = "0000:00:0e.0",
 454                 .init = broxton_hdmi_init,
 455                 .dpcm_playback = 1,
 456                 .no_pcm = 1,
 457         },
 458 };
 459
 460 #define NAME_SIZE       32
 461 static int bxt_card_late_probe(struct snd_soc_card *card)
 462 {
 463         struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card);
 464         struct bxt_hdmi_pcm *pcm;
 465         struct snd_soc_codec *codec = NULL;
 466         int err, i = 0;
 467         char jack_name[NAME_SIZE];
 468
 469         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 470                 codec = pcm->codec_dai->codec;
 471                 snprintf(jack_name, sizeof(jack_name),
 472                         "HDMI/DP, pcm=%d Jack", pcm->device);
 473                 err = snd_soc_card_jack_new(card, jack_name,
 474                                         SND_JACK_AVOUT, &broxton_hdmi[i],
 475                                         NULL, 0);
 476
 477                 if (err)
 478                         return err;
 479
 480                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 481                                                 &broxton_hdmi[i]);
 482                 if (err < 0)
 483                         return err;
 484
 485                 i++;
 486         }
 487
 488         if (!codec)
 489                 return -EINVAL;
 490
 491         return hdac_hdmi_jack_port_init(codec, &card->dapm);
 492 }
 493
 494
 495 /* broxton audio machine driver for SPT + RT298S */
 496 static struct snd_soc_card broxton_rt298 = {
 497         .name = "broxton-rt298",
 498         .owner = THIS_MODULE,
 499         .dai_link = broxton_rt298_dais,
 500         .num_links = ARRAY_SIZE(broxton_rt298_dais),
 501         .controls = broxton_controls,
 502         .num_controls = ARRAY_SIZE(broxton_controls),
 503         .dapm_widgets = broxton_widgets,
 504         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
 505         .dapm_routes = broxton_rt298_map,
 506         .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
 507         .fully_routed = true,
 508         .late_probe = bxt_card_late_probe,
 509
 510 };
 511
 512 static int broxton_audio_probe(struct platform_device *pdev)
 513 {
 514         struct bxt_rt286_private *ctx;
 515
 516         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
 517         if (!ctx)
 518                 return -ENOMEM;
 519
 520         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 521
 522         broxton_rt298.dev = &pdev->dev;
 523         snd_soc_card_set_drvdata(&broxton_rt298, ctx);
 524
 525         return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
 526 }
 527
 528 static struct platform_driver broxton_audio = {
 529         .probe = broxton_audio_probe,
 530         .driver = {
 531                 .name = "bxt_alc298s_i2s",
 532                 .pm = &snd_soc_pm_ops,
 533         },
 534 };
 535 module_platform_driver(broxton_audio)
 536
 537 /* Module information */
 538 MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
 539 MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
 540 MODULE_DESCRIPTION("Intel SST Audio for Broxton");
 541 MODULE_LICENSE("GPL v2");
 542 MODULE_ALIAS("platform:bxt_alc298s_i2s");