sound/soc/intel/boards/sof_rt5682.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright(c) 2019 Intel Corporation.
   3
   4 /*
   5  * Intel SOF Machine Driver with Realtek rt5682 Codec
   6  * and speaker codec MAX98357A
   7  */
   8 #include <linux/i2c.h>
   9 #include <linux/input.h>
  10 #include <linux/module.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/clk.h>
  13 #include <linux/dmi.h>
  14 #include <sound/core.h>
  15 #include <sound/jack.h>
  16 #include <sound/pcm.h>
  17 #include <sound/pcm_params.h>
  18 #include <sound/soc.h>
  19 #include <sound/rt5682.h>
  20 #include <sound/soc-acpi.h>
  21 #include "../../codecs/rt5682.h"
  22 #include "../../codecs/hdac_hdmi.h"
  23 #include "../common/soc-intel-quirks.h"
  24
  25 #define NAME_SIZE 32
  26
  27 #define SOF_RT5682_SSP_CODEC(quirk)             ((quirk) & GENMASK(2, 0))
  28 #define SOF_RT5682_SSP_CODEC_MASK                       (GENMASK(2, 0))
  29 #define SOF_RT5682_MCLK_EN                      BIT(3)
  30 #define SOF_RT5682_MCLK_24MHZ                   BIT(4)
  31 #define SOF_SPEAKER_AMP_PRESENT         BIT(5)
  32 #define SOF_RT5682_SSP_AMP_SHIFT                6
  33 #define SOF_RT5682_SSP_AMP_MASK                 (GENMASK(8, 6))
  34 #define SOF_RT5682_SSP_AMP(quirk)       \
  35         (((quirk) << SOF_RT5682_SSP_AMP_SHIFT) & SOF_RT5682_SSP_AMP_MASK)
  36 #define SOF_RT5682_MCLK_BYTCHT_EN               BIT(9)
  37
  38 /* Default: MCLK on, MCLK 19.2M, SSP0  */
  39 static unsigned long sof_rt5682_quirk = SOF_RT5682_MCLK_EN |
  40                                         SOF_RT5682_SSP_CODEC(0);
  41
  42 static int is_legacy_cpu;
  43
  44 static struct snd_soc_jack sof_hdmi[3];
  45
  46 struct sof_hdmi_pcm {
  47         struct list_head head;
  48         struct snd_soc_dai *codec_dai;
  49         int device;
  50 };
  51
  52 struct sof_card_private {
  53         struct clk *mclk;
  54         struct snd_soc_jack sof_headset;
  55         struct list_head hdmi_pcm_list;
  56 };
  57
  58 static int sof_rt5682_quirk_cb(const struct dmi_system_id *id)
  59 {
  60         sof_rt5682_quirk = (unsigned long)id->driver_data;
  61         return 1;
  62 }
  63
  64 static const struct dmi_system_id sof_rt5682_quirk_table[] = {
  65         {
  66                 .callback = sof_rt5682_quirk_cb,
  67                 .matches = {
  68                         DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
  69                         DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max"),
  70                 },
  71                 .driver_data = (void *)(SOF_RT5682_SSP_CODEC(2)),
  72         },
  73         {
  74                 .callback = sof_rt5682_quirk_cb,
  75                 .matches = {
  76                         DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
  77                         DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"),
  78                 },
  79                 .driver_data = (void *)(SOF_RT5682_SSP_CODEC(2)),
  80         },
  81         {
  82                 .callback = sof_rt5682_quirk_cb,
  83                 .matches = {
  84                         DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
  85                         DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"),
  86                 },
  87                 .driver_data = (void *)(SOF_RT5682_MCLK_EN |
  88                                         SOF_RT5682_MCLK_24MHZ |
  89                                         SOF_RT5682_SSP_CODEC(1)),
  90         },
  91         {
  92                 .callback = sof_rt5682_quirk_cb,
  93                 .matches = {
  94                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
  95                         DMI_MATCH(DMI_PRODUCT_NAME, "Hatch"),
  96                 },
  97                 .driver_data = (void *)(SOF_RT5682_MCLK_EN |
  98                                         SOF_RT5682_MCLK_24MHZ |
  99                                         SOF_RT5682_SSP_CODEC(0) |
 100                                         SOF_SPEAKER_AMP_PRESENT |
 101                                         SOF_RT5682_SSP_AMP(1)),
 102         },
 103         {
 104                 .callback = sof_rt5682_quirk_cb,
 105                 .matches = {
 106                         DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
 107                         DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
 108                 },
 109                 .driver_data = (void *)(SOF_RT5682_MCLK_EN |
 110                                         SOF_RT5682_SSP_CODEC(0)),
 111         },
 112         {}
 113 };
 114
 115 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 116 {
 117         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 118         struct snd_soc_dai *dai = rtd->codec_dai;
 119         struct sof_hdmi_pcm *pcm;
 120
 121         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 122         if (!pcm)
 123                 return -ENOMEM;
 124
 125         /* dai_link id is 1:1 mapped to the PCM device */
 126         pcm->device = rtd->dai_link->id;
 127         pcm->codec_dai = dai;
 128
 129         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 130
 131         return 0;
 132 }
 133
 134 static int sof_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd)
 135 {
 136         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 137         struct snd_soc_component *component = rtd->codec_dai->component;
 138         struct snd_soc_jack *jack;
 139         int ret;
 140
 141         /* need to enable ASRC function for 24MHz mclk rate */
 142         if ((sof_rt5682_quirk & SOF_RT5682_MCLK_EN) &&
 143             (sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ)) {
 144                 rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
 145                                         RT5682_AD_STEREO1_FILTER,
 146                                         RT5682_CLK_SEL_I2S1_ASRC);
 147         }
 148
 149         if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 150                 /*
 151                  * The firmware might enable the clock at
 152                  * boot (this information may or may not
 153                  * be reflected in the enable clock register).
 154                  * To change the rate we must disable the clock
 155                  * first to cover these cases. Due to common
 156                  * clock framework restrictions that do not allow
 157                  * to disable a clock that has not been enabled,
 158                  * we need to enable the clock first.
 159                  */
 160                 ret = clk_prepare_enable(ctx->mclk);
 161                 if (!ret)
 162                         clk_disable_unprepare(ctx->mclk);
 163
 164                 ret = clk_set_rate(ctx->mclk, 19200000);
 165
 166                 if (ret)
 167                         dev_err(rtd->dev, "unable to set MCLK rate\n");
 168         }
 169
 170         /*
 171          * Headset buttons map to the google Reference headset.
 172          * These can be configured by userspace.
 173          */
 174         ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
 175                                     SND_JACK_HEADSET | SND_JACK_BTN_0 |
 176                                     SND_JACK_BTN_1 | SND_JACK_BTN_2 |
 177                                     SND_JACK_BTN_3,
 178                                     &ctx->sof_headset, NULL, 0);
 179         if (ret) {
 180                 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
 181                 return ret;
 182         }
 183
 184         jack = &ctx->sof_headset;
 185
 186         snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 187         snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 188         snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 189         snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 190         ret = snd_soc_component_set_jack(component, jack, NULL);
 191
 192         if (ret) {
 193                 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
 194                 return ret;
 195         }
 196
 197         return ret;
 198 };
 199
 200 static int sof_rt5682_hw_params(struct snd_pcm_substream *substream,
 201                                 struct snd_pcm_hw_params *params)
 202 {
 203         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 204         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 205         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 206         int clk_id, clk_freq, pll_out, ret;
 207
 208         if (sof_rt5682_quirk & SOF_RT5682_MCLK_EN) {
 209                 if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 210                         ret = clk_prepare_enable(ctx->mclk);
 211                         if (ret < 0) {
 212                                 dev_err(rtd->dev,
 213                                         "could not configure MCLK state");
 214                                 return ret;
 215                         }
 216                 }
 217
 218                 clk_id = RT5682_PLL1_S_MCLK;
 219                 if (sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ)
 220                         clk_freq = 24000000;
 221                 else
 222                         clk_freq = 19200000;
 223         } else {
 224                 clk_id = RT5682_PLL1_S_BCLK1;
 225                 clk_freq = params_rate(params) * 50;
 226         }
 227
 228         pll_out = params_rate(params) * 512;
 229
 230         ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
 231         if (ret < 0)
 232                 dev_err(rtd->dev, "snd_soc_dai_set_pll err = %d\n", ret);
 233
 234         /* Configure sysclk for codec */
 235         ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
 236                                      pll_out, SND_SOC_CLOCK_IN);
 237         if (ret < 0)
 238                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 239
 240         /*
 241          * slot_width should equal or large than data length, set them
 242          * be the same
 243          */
 244         ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2,
 245                                        params_width(params));
 246         if (ret < 0) {
 247                 dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
 248                 return ret;
 249         }
 250
 251         return ret;
 252 }
 253
 254 static struct snd_soc_ops sof_rt5682_ops = {
 255         .hw_params = sof_rt5682_hw_params,
 256 };
 257
 258 static struct snd_soc_dai_link_component platform_component[] = {
 259         {
 260                 /* name might be overridden during probe */
 261                 .name = "0000:00:1f.3"
 262         }
 263 };
 264
 265 static int sof_card_late_probe(struct snd_soc_card *card)
 266 {
 267         struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
 268         struct snd_soc_component *component = NULL;
 269         char jack_name[NAME_SIZE];
 270         struct sof_hdmi_pcm *pcm;
 271         int err = 0;
 272         int i = 0;
 273
 274         /* HDMI is not supported by SOF on Baytrail/CherryTrail */
 275         if (is_legacy_cpu)
 276                 return 0;
 277
 278         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 279                 component = pcm->codec_dai->component;
 280                 snprintf(jack_name, sizeof(jack_name),
 281                          "HDMI/DP, pcm=%d Jack", pcm->device);
 282                 err = snd_soc_card_jack_new(card, jack_name,
 283                                             SND_JACK_AVOUT, &sof_hdmi[i],
 284                                             NULL, 0);
 285
 286                 if (err)
 287                         return err;
 288
 289                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 290                                           &sof_hdmi[i]);
 291                 if (err < 0)
 292                         return err;
 293
 294                 i++;
 295         }
 296         if (!component)
 297                 return -EINVAL;
 298
 299         return hdac_hdmi_jack_port_init(component, &card->dapm);
 300 }
 301
 302 static const struct snd_kcontrol_new sof_controls[] = {
 303         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 304         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 305         SOC_DAPM_PIN_SWITCH("Spk"),
 306 };
 307
 308 static const struct snd_soc_dapm_widget sof_widgets[] = {
 309         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 310         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 311         SND_SOC_DAPM_SPK("Spk", NULL),
 312         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 313 };
 314
 315 static const struct snd_soc_dapm_route sof_map[] = {
 316         /* HP jack connectors - unknown if we have jack detection */
 317         { "Headphone Jack", NULL, "HPOL" },
 318         { "Headphone Jack", NULL, "HPOR" },
 319
 320         /* other jacks */
 321         { "IN1P", NULL, "Headset Mic" },
 322
 323         /* digital mics */
 324         {"DMic", NULL, "SoC DMIC"},
 325
 326 };
 327
 328 static const struct snd_soc_dapm_route speaker_map[] = {
 329         /* speaker */
 330         { "Spk", NULL, "Speaker" },
 331 };
 332
 333 static int speaker_codec_init(struct snd_soc_pcm_runtime *rtd)
 334 {
 335         struct snd_soc_card *card = rtd->card;
 336         int ret;
 337
 338         ret = snd_soc_dapm_add_routes(&card->dapm, speaker_map,
 339                                       ARRAY_SIZE(speaker_map));
 340
 341         if (ret)
 342                 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
 343         return ret;
 344 }
 345
 346 /* sof audio machine driver for rt5682 codec */
 347 static struct snd_soc_card sof_audio_card_rt5682 = {
 348         .name = "sof_rt5682",
 349         .owner = THIS_MODULE,
 350         .controls = sof_controls,
 351         .num_controls = ARRAY_SIZE(sof_controls),
 352         .dapm_widgets = sof_widgets,
 353         .num_dapm_widgets = ARRAY_SIZE(sof_widgets),
 354         .dapm_routes = sof_map,
 355         .num_dapm_routes = ARRAY_SIZE(sof_map),
 356         .fully_routed = true,
 357         .late_probe = sof_card_late_probe,
 358 };
 359
 360 static struct snd_soc_dai_link_component rt5682_component[] = {
 361         {
 362                 .name = "i2c-10EC5682:00",
 363                 .dai_name = "rt5682-aif1",
 364         }
 365 };
 366
 367 static struct snd_soc_dai_link_component dmic_component[] = {
 368         {
 369                 .name = "dmic-codec",
 370                 .dai_name = "dmic-hifi",
 371         }
 372 };
 373
 374 static struct snd_soc_dai_link_component max98357a_component[] = {
 375         {
 376                 .name = "MX98357A:00",
 377                 .dai_name = "HiFi",
 378         }
 379 };
 380
 381 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
 382                                                           int ssp_codec,
 383                                                           int ssp_amp,
 384                                                           int dmic_be_num,
 385                                                           int hdmi_num)
 386 {
 387         struct snd_soc_dai_link_component *idisp_components;
 388         struct snd_soc_dai_link_component *cpus;
 389         struct snd_soc_dai_link *links;
 390         int i, id = 0;
 391
 392         links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
 393                              sof_audio_card_rt5682.num_links, GFP_KERNEL);
 394         cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
 395                              sof_audio_card_rt5682.num_links, GFP_KERNEL);
 396         if (!links || !cpus)
 397                 goto devm_err;
 398
 399         /* codec SSP */
 400         links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 401                                         "SSP%d-Codec", ssp_codec);
 402         if (!links[id].name)
 403                 goto devm_err;
 404
 405         links[id].id = id;
 406         links[id].codecs = rt5682_component;
 407         links[id].num_codecs = ARRAY_SIZE(rt5682_component);
 408         links[id].platforms = platform_component;
 409         links[id].num_platforms = ARRAY_SIZE(platform_component);
 410         links[id].init = sof_rt5682_codec_init;
 411         links[id].ops = &sof_rt5682_ops;
 412         links[id].nonatomic = true;
 413         links[id].dpcm_playback = 1;
 414         links[id].dpcm_capture = 1;
 415         links[id].no_pcm = 1;
 416         links[id].cpus = &cpus[id];
 417         links[id].num_cpus = 1;
 418         if (is_legacy_cpu) {
 419                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 420                                                           "ssp%d-port",
 421                                                           ssp_codec);
 422                 if (!links[id].cpus->dai_name)
 423                         goto devm_err;
 424         } else {
 425                 /*
 426                  * Currently, On SKL+ platforms MCLK will be turned off in sof
 427                  * runtime suspended, and it will go into runtime suspended
 428                  * right after playback is stop. However, rt5682 will output
 429                  * static noise if sysclk turns off during playback. Set
 430                  * ignore_pmdown_time to power down rt5682 immediately and
 431                  * avoid the noise.
 432                  * It can be removed once we can control MCLK by driver.
 433                  */
 434                 links[id].ignore_pmdown_time = 1;
 435                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 436                                                           "SSP%d Pin",
 437                                                           ssp_codec);
 438                 if (!links[id].cpus->dai_name)
 439                         goto devm_err;
 440         }
 441         id++;
 442
 443         /* dmic */
 444         if (dmic_be_num > 0) {
 445                 /* at least we have dmic01 */
 446                 links[id].name = "dmic01";
 447                 links[id].cpus = &cpus[id];
 448                 links[id].cpus->dai_name = "DMIC01 Pin";
 449                 if (dmic_be_num > 1) {
 450                         /* set up 2 BE links at most */
 451                         links[id + 1].name = "dmic16k";
 452                         links[id + 1].cpus = &cpus[id + 1];
 453                         links[id + 1].cpus->dai_name = "DMIC16k Pin";
 454                         dmic_be_num = 2;
 455                 }
 456         }
 457
 458         for (i = 0; i < dmic_be_num; i++) {
 459                 links[id].id = id;
 460                 links[id].num_cpus = 1;
 461                 links[id].codecs = dmic_component;
 462                 links[id].num_codecs = ARRAY_SIZE(dmic_component);
 463                 links[id].platforms = platform_component;
 464                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 465                 links[id].ignore_suspend = 1;
 466                 links[id].dpcm_capture = 1;
 467                 links[id].no_pcm = 1;
 468                 id++;
 469         }
 470
 471         /* HDMI */
 472         if (hdmi_num > 0) {
 473                 idisp_components = devm_kzalloc(dev,
 474                                    sizeof(struct snd_soc_dai_link_component) *
 475                                    hdmi_num, GFP_KERNEL);
 476                 if (!idisp_components)
 477                         goto devm_err;
 478         }
 479         for (i = 1; i <= hdmi_num; i++) {
 480                 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 481                                                 "iDisp%d", i);
 482                 if (!links[id].name)
 483                         goto devm_err;
 484
 485                 links[id].id = id;
 486                 links[id].cpus = &cpus[id];
 487                 links[id].num_cpus = 1;
 488                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 489                                                           "iDisp%d Pin", i);
 490                 if (!links[id].cpus->dai_name)
 491                         goto devm_err;
 492
 493                 idisp_components[i - 1].name = "ehdaudio0D2";
 494                 idisp_components[i - 1].dai_name = devm_kasprintf(dev,
 495                                                                   GFP_KERNEL,
 496                                                                   "intel-hdmi-hifi%d",
 497                                                                   i);
 498                 if (!idisp_components[i - 1].dai_name)
 499                         goto devm_err;
 500
 501                 links[id].codecs = &idisp_components[i - 1];
 502                 links[id].num_codecs = 1;
 503                 links[id].platforms = platform_component;
 504                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 505                 links[id].init = sof_hdmi_init;
 506                 links[id].dpcm_playback = 1;
 507                 links[id].no_pcm = 1;
 508                 id++;
 509         }
 510
 511         /* speaker amp */
 512         if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT) {
 513                 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 514                                                 "SSP%d-Codec", ssp_amp);
 515                 if (!links[id].name)
 516                         goto devm_err;
 517
 518                 links[id].id = id;
 519                 links[id].codecs = max98357a_component;
 520                 links[id].num_codecs = ARRAY_SIZE(max98357a_component);
 521                 links[id].platforms = platform_component;
 522                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 523                 links[id].init = speaker_codec_init,
 524                 links[id].nonatomic = true;
 525                 links[id].dpcm_playback = 1;
 526                 links[id].no_pcm = 1;
 527                 links[id].cpus = &cpus[id];
 528                 links[id].num_cpus = 1;
 529                 if (is_legacy_cpu) {
 530                         links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 531                                                                   "ssp%d-port",
 532                                                                   ssp_amp);
 533                         if (!links[id].cpus->dai_name)
 534                                 goto devm_err;
 535
 536                 } else {
 537                         links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 538                                                                   "SSP%d Pin",
 539                                                                   ssp_amp);
 540                         if (!links[id].cpus->dai_name)
 541                                 goto devm_err;
 542                 }
 543         }
 544
 545         return links;
 546 devm_err:
 547         return NULL;
 548 }
 549
 550 static int sof_audio_probe(struct platform_device *pdev)
 551 {
 552         struct snd_soc_dai_link *dai_links;
 553         struct snd_soc_acpi_mach *mach;
 554         struct sof_card_private *ctx;
 555         int dmic_be_num, hdmi_num;
 556         int ret, ssp_amp, ssp_codec;
 557
 558         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 559         if (!ctx)
 560                 return -ENOMEM;
 561
 562         if (soc_intel_is_byt() || soc_intel_is_cht()) {
 563                 is_legacy_cpu = 1;
 564                 dmic_be_num = 0;
 565                 hdmi_num = 0;
 566                 /* default quirk for legacy cpu */
 567                 sof_rt5682_quirk = SOF_RT5682_MCLK_EN |
 568                                                 SOF_RT5682_MCLK_BYTCHT_EN |
 569                                                 SOF_RT5682_SSP_CODEC(2);
 570         } else {
 571                 dmic_be_num = 2;
 572                 hdmi_num = 3;
 573         }
 574
 575         dmi_check_system(sof_rt5682_quirk_table);
 576
 577         /* need to get main clock from pmc */
 578         if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 579                 ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
 580                 ret = clk_prepare_enable(ctx->mclk);
 581                 if (ret < 0) {
 582                         dev_err(&pdev->dev,
 583                                 "could not configure MCLK state");
 584                         return ret;
 585                 }
 586         }
 587
 588         dev_dbg(&pdev->dev, "sof_rt5682_quirk = %lx\n", sof_rt5682_quirk);
 589
 590         ssp_amp = (sof_rt5682_quirk & SOF_RT5682_SSP_AMP_MASK) >>
 591                         SOF_RT5682_SSP_AMP_SHIFT;
 592
 593         ssp_codec = sof_rt5682_quirk & SOF_RT5682_SSP_CODEC_MASK;
 594
 595         /* compute number of dai links */
 596         sof_audio_card_rt5682.num_links = 1 + dmic_be_num + hdmi_num;
 597
 598         if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT)
 599                 sof_audio_card_rt5682.num_links++;
 600
 601         dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
 602                                               dmic_be_num, hdmi_num);
 603         if (!dai_links)
 604                 return -ENOMEM;
 605
 606         sof_audio_card_rt5682.dai_link = dai_links;
 607
 608         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 609
 610         sof_audio_card_rt5682.dev = &pdev->dev;
 611         mach = (&pdev->dev)->platform_data;
 612
 613         /* set platform name for each dailink */
 614         ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_rt5682,
 615                                                     mach->mach_params.platform);
 616         if (ret)
 617                 return ret;
 618
 619         snd_soc_card_set_drvdata(&sof_audio_card_rt5682, ctx);
 620
 621         return devm_snd_soc_register_card(&pdev->dev,
 622                                           &sof_audio_card_rt5682);
 623 }
 624
 625 static struct platform_driver sof_audio = {
 626         .probe = sof_audio_probe,
 627         .driver = {
 628                 .name = "sof_rt5682",
 629                 .pm = &snd_soc_pm_ops,
 630         },
 631 };
 632 module_platform_driver(sof_audio)
 633
 634 /* Module information */
 635 MODULE_DESCRIPTION("SOF Audio Machine driver");
 636 MODULE_AUTHOR("Bard Liao <bard.liao@intel.com>");
 637 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
 638 MODULE_LICENSE("GPL v2");
 639 MODULE_ALIAS("platform:sof_rt5682");