sound/soc/intel/boards/skl_nau88l25_ssm4567.c

   1 /*
   2  * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
   3  *
   4  * Copyright (C) 2015, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
   8  *
   9  *   Copyright (C) 2015, 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/nau8825.h"
  29
  30 #define SKL_NUVOTON_CODEC_DAI   "nau8825-hifi"
  31 #define SKL_SSM_CODEC_DAI       "ssm4567-hifi"
  32
  33 static struct snd_soc_jack skylake_headset;
  34 static struct snd_soc_card skylake_audio_card;
  35
  36 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
  37 {
  38         struct snd_soc_pcm_runtime *rtd;
  39
  40         list_for_each_entry(rtd, &card->rtd_list, list) {
  41
  42                 if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
  43                              strlen(SKL_NUVOTON_CODEC_DAI)))
  44                         return rtd->codec_dai;
  45         }
  46
  47         return NULL;
  48 }
  49
  50 static const struct snd_kcontrol_new skylake_controls[] = {
  51         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  52         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  53         SOC_DAPM_PIN_SWITCH("Left Speaker"),
  54         SOC_DAPM_PIN_SWITCH("Right Speaker"),
  55 };
  56
  57 static int platform_clock_control(struct snd_soc_dapm_widget *w,
  58                 struct snd_kcontrol *k, int  event)
  59 {
  60         struct snd_soc_dapm_context *dapm = w->dapm;
  61         struct snd_soc_card *card = dapm->card;
  62         struct snd_soc_dai *codec_dai;
  63         int ret;
  64
  65         codec_dai = skl_get_codec_dai(card);
  66         if (!codec_dai) {
  67                 dev_err(card->dev, "Codec dai not found\n");
  68                 return -EIO;
  69         }
  70
  71         if (SND_SOC_DAPM_EVENT_ON(event)) {
  72                 ret = snd_soc_dai_set_sysclk(codec_dai,
  73                                 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
  74                 if (ret < 0) {
  75                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  76                         return -EIO;
  77                 }
  78         } else {
  79                 ret = snd_soc_dai_set_sysclk(codec_dai,
  80                                 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
  81                 if (ret < 0) {
  82                         dev_err(card->dev, "set sysclk err = %d\n", ret);
  83                         return -EIO;
  84                 }
  85         }
  86         return ret;
  87 }
  88
  89 static const struct snd_soc_dapm_widget skylake_widgets[] = {
  90         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  91         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  92         SND_SOC_DAPM_SPK("Left Speaker", NULL),
  93         SND_SOC_DAPM_SPK("Right Speaker", NULL),
  94         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  95         SND_SOC_DAPM_SINK("WoV Sink"),
  96         SND_SOC_DAPM_SPK("DP", NULL),
  97         SND_SOC_DAPM_SPK("HDMI", NULL),
  98         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
  99                         platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 100                         SND_SOC_DAPM_POST_PMD),
 101 };
 102
 103 static const struct snd_soc_dapm_route skylake_map[] = {
 104         /* HP jack connectors - unknown if we have jack detection */
 105         {"Headphone Jack", NULL, "HPOL"},
 106         {"Headphone Jack", NULL, "HPOR"},
 107
 108         /* speaker */
 109         {"Left Speaker", NULL, "Left OUT"},
 110         {"Right Speaker", NULL, "Right OUT"},
 111
 112         /* other jacks */
 113         {"MIC", NULL, "Headset Mic"},
 114         {"DMic", NULL, "SoC DMIC"},
 115
 116         {"WoV Sink", NULL, "hwd_in sink"},
 117
 118         {"HDMI", NULL, "hif5 Output"},
 119         {"DP", NULL, "hif6 Output"},
 120         /* CODEC BE connections */
 121         { "Left Playback", NULL, "ssp0 Tx"},
 122         { "Right Playback", NULL, "ssp0 Tx"},
 123         { "ssp0 Tx", NULL, "codec0_out"},
 124
 125         { "Playback", NULL, "ssp1 Tx"},
 126         { "ssp1 Tx", NULL, "codec1_out"},
 127
 128         { "codec0_in", NULL, "ssp1 Rx" },
 129         { "ssp1 Rx", NULL, "Capture" },
 130
 131         /* DMIC */
 132         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 133         { "DMIC01 Rx", NULL, "DMIC AIF" },
 134         { "hifi1", NULL, "iDisp Tx"},
 135         { "iDisp Tx", NULL, "iDisp_out"},
 136         { "Headphone Jack", NULL, "Platform Clock" },
 137         { "Headset Mic", NULL, "Platform Clock" },
 138 };
 139
 140 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
 141         {
 142                 .dev_name = "i2c-INT343B:00",
 143                 .name_prefix = "Left",
 144         },
 145         {
 146                 .dev_name = "i2c-INT343B:01",
 147                 .name_prefix = "Right",
 148         },
 149 };
 150
 151 static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
 152         { /* Left */
 153                 .name = "i2c-INT343B:00",
 154                 .dai_name = SKL_SSM_CODEC_DAI,
 155         },
 156         { /* Right */
 157                 .name = "i2c-INT343B:01",
 158                 .dai_name = SKL_SSM_CODEC_DAI,
 159         },
 160 };
 161
 162 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
 163 {
 164         int ret;
 165
 166         /* Slot 1 for left */
 167         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
 168         if (ret < 0)
 169                 return ret;
 170
 171         /* Slot 2 for right */
 172         ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
 173         if (ret < 0)
 174                 return ret;
 175
 176         return ret;
 177 }
 178
 179 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 180 {
 181         int ret;
 182         struct snd_soc_codec *codec = rtd->codec;
 183
 184         /*
 185          * 4 buttons here map to the google Reference headset
 186          * The use of these buttons can be decided by the user space.
 187          */
 188         ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 189                 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 190                 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 191                 NULL, 0);
 192         if (ret) {
 193                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 194                 return ret;
 195         }
 196
 197         nau8825_enable_jack_detect(codec, &skylake_headset);
 198
 199         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 200         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "WoV Sink");
 201
 202         return ret;
 203 }
 204
 205 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 206 {
 207         struct snd_soc_dapm_context *dapm;
 208         struct snd_soc_component *component = rtd->cpu_dai->component;
 209
 210         dapm = snd_soc_component_get_dapm(component);
 211         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 212
 213         return 0;
 214 }
 215
 216 static unsigned int rates[] = {
 217         48000,
 218 };
 219
 220 static struct snd_pcm_hw_constraint_list constraints_rates = {
 221         .count = ARRAY_SIZE(rates),
 222         .list  = rates,
 223         .mask = 0,
 224 };
 225
 226 static unsigned int channels[] = {
 227         2,
 228 };
 229
 230 static struct snd_pcm_hw_constraint_list constraints_channels = {
 231         .count = ARRAY_SIZE(channels),
 232         .list = channels,
 233         .mask = 0,
 234 };
 235
 236 static int skl_fe_startup(struct snd_pcm_substream *substream)
 237 {
 238         struct snd_pcm_runtime *runtime = substream->runtime;
 239
 240         /*
 241          * on this platform for PCM device we support,
 242          *      48Khz
 243          *      stereo
 244          *      16 bit audio
 245          */
 246
 247         runtime->hw.channels_max = 2;
 248         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 249                                            &constraints_channels);
 250
 251         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 252         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 253
 254         snd_pcm_hw_constraint_list(runtime, 0,
 255                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 256
 257         return 0;
 258 }
 259
 260 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
 261         .startup = skl_fe_startup,
 262 };
 263
 264 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 265                         struct snd_pcm_hw_params *params)
 266 {
 267         struct snd_interval *rate = hw_param_interval(params,
 268                         SNDRV_PCM_HW_PARAM_RATE);
 269         struct snd_interval *channels = hw_param_interval(params,
 270                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 271         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 272
 273         /* The ADSP will covert the FE rate to 48k, stereo */
 274         rate->min = rate->max = 48000;
 275         channels->min = channels->max = 2;
 276
 277         /* set SSP0 to 24 bit */
 278         snd_mask_none(fmt);
 279         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 280         return 0;
 281 }
 282
 283 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 284                         struct snd_pcm_hw_params *params)
 285 {
 286         struct snd_interval *channels = hw_param_interval(params,
 287                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
 288         if (params_channels(params) == 2)
 289                 channels->min = channels->max = 2;
 290         else
 291                 channels->min = channels->max = 4;
 292
 293         return 0;
 294 }
 295
 296 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 297         struct snd_pcm_hw_params *params)
 298 {
 299         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 300         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 301         int ret;
 302
 303         ret = snd_soc_dai_set_sysclk(codec_dai,
 304                         NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 305
 306         if (ret < 0)
 307                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 308
 309         return ret;
 310 }
 311
 312 static struct snd_soc_ops skylake_nau8825_ops = {
 313         .hw_params = skylake_nau8825_hw_params,
 314 };
 315
 316 static unsigned int channels_dmic[] = {
 317         2, 4,
 318 };
 319
 320 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
 321         .count = ARRAY_SIZE(channels_dmic),
 322         .list = channels_dmic,
 323         .mask = 0,
 324 };
 325
 326 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 327 {
 328         struct snd_pcm_runtime *runtime = substream->runtime;
 329
 330         runtime->hw.channels_max = 4;
 331         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 332                         &constraints_dmic_channels);
 333
 334         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 335                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 336 }
 337
 338 static struct snd_soc_ops skylake_dmic_ops = {
 339         .startup = skylake_dmic_startup,
 340 };
 341
 342 static unsigned int rates_16000[] = {
 343         16000,
 344 };
 345
 346 static struct snd_pcm_hw_constraint_list constraints_16000 = {
 347         .count = ARRAY_SIZE(rates_16000),
 348         .list  = rates_16000,
 349 };
 350
 351 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 352 {
 353         return snd_pcm_hw_constraint_list(substream->runtime, 0,
 354                         SNDRV_PCM_HW_PARAM_RATE,
 355                         &constraints_16000);
 356 }
 357
 358 static struct snd_soc_ops skylaye_refcap_ops = {
 359         .startup = skylake_refcap_startup,
 360 };
 361
 362 /* skylake digital audio interface glue - connects codec <--> CPU */
 363 static struct snd_soc_dai_link skylake_dais[] = {
 364         /* Front End DAI links */
 365         {
 366                 .name = "Skl Audio Port",
 367                 .stream_name = "Audio",
 368                 .cpu_dai_name = "System Pin",
 369                 .platform_name = "0000:00:1f.3",
 370                 .dynamic = 1,
 371                 .codec_name = "snd-soc-dummy",
 372                 .codec_dai_name = "snd-soc-dummy-dai",
 373                 .nonatomic = 1,
 374                 .init = skylake_nau8825_fe_init,
 375                 .trigger = {
 376                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 377                 .dpcm_playback = 1,
 378                 .ops = &skylake_nau8825_fe_ops,
 379         },
 380         {
 381                 .name = "Skl Audio Capture Port",
 382                 .stream_name = "Audio Record",
 383                 .cpu_dai_name = "System Pin",
 384                 .platform_name = "0000:00:1f.3",
 385                 .dynamic = 1,
 386                 .codec_name = "snd-soc-dummy",
 387                 .codec_dai_name = "snd-soc-dummy-dai",
 388                 .nonatomic = 1,
 389                 .trigger = {
 390                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 391                 .dpcm_capture = 1,
 392                 .ops = &skylake_nau8825_fe_ops,
 393         },
 394         {
 395                 .name = "Skl Audio Reference cap",
 396                 .stream_name = "Wake on Voice",
 397                 .cpu_dai_name = "Reference Pin",
 398                 .codec_name = "snd-soc-dummy",
 399                 .codec_dai_name = "snd-soc-dummy-dai",
 400                 .platform_name = "0000:00:1f.3",
 401                 .init = NULL,
 402                 .dpcm_capture = 1,
 403                 .ignore_suspend = 1,
 404                 .nonatomic = 1,
 405                 .dynamic = 1,
 406                 .ops = &skylaye_refcap_ops,
 407         },
 408         {
 409                 .name = "Skl Audio DMIC cap",
 410                 .stream_name = "dmiccap",
 411                 .cpu_dai_name = "DMIC Pin",
 412                 .codec_name = "snd-soc-dummy",
 413                 .codec_dai_name = "snd-soc-dummy-dai",
 414                 .platform_name = "0000:00:1f.3",
 415                 .init = NULL,
 416                 .dpcm_capture = 1,
 417                 .nonatomic = 1,
 418                 .dynamic = 1,
 419                 .ops = &skylake_dmic_ops,
 420         },
 421         {
 422                 .name = "Skl HDMI Port",
 423                 .stream_name = "Hdmi",
 424                 .cpu_dai_name = "HDMI Pin",
 425                 .codec_name = "snd-soc-dummy",
 426                 .codec_dai_name = "snd-soc-dummy-dai",
 427                 .platform_name = "0000:00:1f.3",
 428                 .dpcm_playback = 1,
 429                 .init = NULL,
 430                 .nonatomic = 1,
 431                 .dynamic = 1,
 432         },
 433
 434         /* Back End DAI links */
 435         {
 436                 /* SSP0 - Codec */
 437                 .name = "SSP0-Codec",
 438                 .be_id = 0,
 439                 .cpu_dai_name = "SSP0 Pin",
 440                 .platform_name = "0000:00:1f.3",
 441                 .no_pcm = 1,
 442                 .codecs = ssm4567_codec_components,
 443                 .num_codecs = ARRAY_SIZE(ssm4567_codec_components),
 444                 .dai_fmt = SND_SOC_DAIFMT_DSP_A |
 445                         SND_SOC_DAIFMT_IB_NF |
 446                         SND_SOC_DAIFMT_CBS_CFS,
 447                 .init = skylake_ssm4567_codec_init,
 448                 .ignore_pmdown_time = 1,
 449                 .be_hw_params_fixup = skylake_ssp_fixup,
 450                 .dpcm_playback = 1,
 451         },
 452         {
 453                 /* SSP1 - Codec */
 454                 .name = "SSP1-Codec",
 455                 .be_id = 0,
 456                 .cpu_dai_name = "SSP1 Pin",
 457                 .platform_name = "0000:00:1f.3",
 458                 .no_pcm = 1,
 459                 .codec_name = "i2c-10508825:00",
 460                 .codec_dai_name = SKL_NUVOTON_CODEC_DAI,
 461                 .init = skylake_nau8825_codec_init,
 462                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 463                         SND_SOC_DAIFMT_CBS_CFS,
 464                 .ignore_pmdown_time = 1,
 465                 .be_hw_params_fixup = skylake_ssp_fixup,
 466                 .ops = &skylake_nau8825_ops,
 467                 .dpcm_playback = 1,
 468                 .dpcm_capture = 1,
 469         },
 470         {
 471                 .name = "dmic01",
 472                 .be_id = 1,
 473                 .cpu_dai_name = "DMIC01 Pin",
 474                 .codec_name = "dmic-codec",
 475                 .codec_dai_name = "dmic-hifi",
 476                 .platform_name = "0000:00:1f.3",
 477                 .ignore_suspend = 1,
 478                 .be_hw_params_fixup = skylake_dmic_fixup,
 479                 .dpcm_capture = 1,
 480                 .no_pcm = 1,
 481         },
 482         {
 483                 .name = "iDisp",
 484                 .be_id = 3,
 485                 .cpu_dai_name = "iDisp Pin",
 486                 .codec_name = "ehdaudio0D2",
 487                 .codec_dai_name = "intel-hdmi-hifi1",
 488                 .platform_name = "0000:00:1f.3",
 489                 .dpcm_playback = 1,
 490                 .no_pcm = 1,
 491         },
 492 };
 493
 494 /* skylake audio machine driver for SPT + NAU88L25 */
 495 static struct snd_soc_card skylake_audio_card = {
 496         .name = "sklnau8825adi",
 497         .owner = THIS_MODULE,
 498         .dai_link = skylake_dais,
 499         .num_links = ARRAY_SIZE(skylake_dais),
 500         .controls = skylake_controls,
 501         .num_controls = ARRAY_SIZE(skylake_controls),
 502         .dapm_widgets = skylake_widgets,
 503         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 504         .dapm_routes = skylake_map,
 505         .num_dapm_routes = ARRAY_SIZE(skylake_map),
 506         .codec_conf = ssm4567_codec_conf,
 507         .num_configs = ARRAY_SIZE(ssm4567_codec_conf),
 508         .fully_routed = true,
 509 };
 510
 511 static int skylake_audio_probe(struct platform_device *pdev)
 512 {
 513         skylake_audio_card.dev = &pdev->dev;
 514
 515         return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 516 }
 517
 518 static struct platform_driver skylake_audio = {
 519         .probe = skylake_audio_probe,
 520         .driver = {
 521                 .name = "skl_nau88l25_ssm4567_i2s",
 522                 .pm = &snd_soc_pm_ops,
 523         },
 524 };
 525
 526 module_platform_driver(skylake_audio)
 527
 528 /* Module information */
 529 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
 530 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
 531 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
 532 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
 533 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
 534 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
 535 MODULE_LICENSE("GPL v2");
 536 MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");