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_PRODUCT_FAMILY, "Google_Hatch"),
  95                 },
  96                 .driver_data = (void *)(SOF_RT5682_MCLK_EN |
  97                                         SOF_RT5682_MCLK_24MHZ |
  98                                         SOF_RT5682_SSP_CODEC(0) |
  99                                         SOF_SPEAKER_AMP_PRESENT |
 100                                         SOF_RT5682_SSP_AMP(1)),
 101         },
 102         {
 103                 .callback = sof_rt5682_quirk_cb,
 104                 .matches = {
 105                         DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
 106                         DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
 107                 },
 108                 .driver_data = (void *)(SOF_RT5682_MCLK_EN |
 109                                         SOF_RT5682_SSP_CODEC(0)),
 110         },
 111         {}
 112 };
 113
 114 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 115 {
 116         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 117         struct snd_soc_dai *dai = rtd->codec_dai;
 118         struct sof_hdmi_pcm *pcm;
 119
 120         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 121         if (!pcm)
 122                 return -ENOMEM;
 123
 124         /* dai_link id is 1:1 mapped to the PCM device */
 125         pcm->device = rtd->dai_link->id;
 126         pcm->codec_dai = dai;
 127
 128         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
 129
 130         return 0;
 131 }
 132
 133 static int sof_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd)
 134 {
 135         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 136         struct snd_soc_component *component = rtd->codec_dai->component;
 137         struct snd_soc_jack *jack;
 138         int ret;
 139
 140         /* need to enable ASRC function for 24MHz mclk rate */
 141         if ((sof_rt5682_quirk & SOF_RT5682_MCLK_EN) &&
 142             (sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ)) {
 143                 rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
 144                                         RT5682_AD_STEREO1_FILTER,
 145                                         RT5682_CLK_SEL_I2S1_ASRC);
 146         }
 147
 148         if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 149                 /*
 150                  * The firmware might enable the clock at
 151                  * boot (this information may or may not
 152                  * be reflected in the enable clock register).
 153                  * To change the rate we must disable the clock
 154                  * first to cover these cases. Due to common
 155                  * clock framework restrictions that do not allow
 156                  * to disable a clock that has not been enabled,
 157                  * we need to enable the clock first.
 158                  */
 159                 ret = clk_prepare_enable(ctx->mclk);
 160                 if (!ret)
 161                         clk_disable_unprepare(ctx->mclk);
 162
 163                 ret = clk_set_rate(ctx->mclk, 19200000);
 164
 165                 if (ret)
 166                         dev_err(rtd->dev, "unable to set MCLK rate\n");
 167         }
 168
 169         /*
 170          * Headset buttons map to the google Reference headset.
 171          * These can be configured by userspace.
 172          */
 173         ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
 174                                     SND_JACK_HEADSET | SND_JACK_BTN_0 |
 175                                     SND_JACK_BTN_1 | SND_JACK_BTN_2 |
 176                                     SND_JACK_BTN_3,
 177                                     &ctx->sof_headset, NULL, 0);
 178         if (ret) {
 179                 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
 180                 return ret;
 181         }
 182
 183         jack = &ctx->sof_headset;
 184
 185         snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 186         snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 187         snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 188         snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 189         ret = snd_soc_component_set_jack(component, jack, NULL);
 190
 191         if (ret) {
 192                 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
 193                 return ret;
 194         }
 195
 196         return ret;
 197 };
 198
 199 static int sof_rt5682_hw_params(struct snd_pcm_substream *substream,
 200                                 struct snd_pcm_hw_params *params)
 201 {
 202         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 203         struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 204         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 205         int clk_id, clk_freq, pll_out, ret;
 206
 207         if (sof_rt5682_quirk & SOF_RT5682_MCLK_EN) {
 208                 if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 209                         ret = clk_prepare_enable(ctx->mclk);
 210                         if (ret < 0) {
 211                                 dev_err(rtd->dev,
 212                                         "could not configure MCLK state");
 213                                 return ret;
 214                         }
 215                 }
 216
 217                 clk_id = RT5682_PLL1_S_MCLK;
 218                 if (sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ)
 219                         clk_freq = 24000000;
 220                 else
 221                         clk_freq = 19200000;
 222         } else {
 223                 clk_id = RT5682_PLL1_S_BCLK1;
 224                 clk_freq = params_rate(params) * 50;
 225         }
 226
 227         pll_out = params_rate(params) * 512;
 228
 229         ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
 230         if (ret < 0)
 231                 dev_err(rtd->dev, "snd_soc_dai_set_pll err = %d\n", ret);
 232
 233         /* Configure sysclk for codec */
 234         ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
 235                                      pll_out, SND_SOC_CLOCK_IN);
 236         if (ret < 0)
 237                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
 238
 239         /*
 240          * slot_width should equal or large than data length, set them
 241          * be the same
 242          */
 243         ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2,
 244                                        params_width(params));
 245         if (ret < 0) {
 246                 dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
 247                 return ret;
 248         }
 249
 250         return ret;
 251 }
 252
 253 static struct snd_soc_ops sof_rt5682_ops = {
 254         .hw_params = sof_rt5682_hw_params,
 255 };
 256
 257 static struct snd_soc_dai_link_component platform_component[] = {
 258         {
 259                 /* name might be overridden during probe */
 260                 .name = "0000:00:1f.3"
 261         }
 262 };
 263
 264 static int sof_card_late_probe(struct snd_soc_card *card)
 265 {
 266         struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
 267         struct snd_soc_component *component = NULL;
 268         char jack_name[NAME_SIZE];
 269         struct sof_hdmi_pcm *pcm;
 270         int err = 0;
 271         int i = 0;
 272
 273         /* HDMI is not supported by SOF on Baytrail/CherryTrail */
 274         if (is_legacy_cpu)
 275                 return 0;
 276
 277         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
 278                 component = pcm->codec_dai->component;
 279                 snprintf(jack_name, sizeof(jack_name),
 280                          "HDMI/DP, pcm=%d Jack", pcm->device);
 281                 err = snd_soc_card_jack_new(card, jack_name,
 282                                             SND_JACK_AVOUT, &sof_hdmi[i],
 283                                             NULL, 0);
 284
 285                 if (err)
 286                         return err;
 287
 288                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
 289                                           &sof_hdmi[i]);
 290                 if (err < 0)
 291                         return err;
 292
 293                 i++;
 294         }
 295         if (!component)
 296                 return -EINVAL;
 297
 298         return hdac_hdmi_jack_port_init(component, &card->dapm);
 299 }
 300
 301 static const struct snd_kcontrol_new sof_controls[] = {
 302         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 303         SOC_DAPM_PIN_SWITCH("Headset Mic"),
 304         SOC_DAPM_PIN_SWITCH("Spk"),
 305 };
 306
 307 static const struct snd_soc_dapm_widget sof_widgets[] = {
 308         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 309         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 310         SND_SOC_DAPM_SPK("Spk", NULL),
 311 };
 312
 313 static const struct snd_soc_dapm_widget dmic_widgets[] = {
 314         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 315 };
 316
 317 static const struct snd_soc_dapm_route sof_map[] = {
 318         /* HP jack connectors - unknown if we have jack detection */
 319         { "Headphone Jack", NULL, "HPOL" },
 320         { "Headphone Jack", NULL, "HPOR" },
 321
 322         /* other jacks */
 323         { "IN1P", NULL, "Headset Mic" },
 324 };
 325
 326 static const struct snd_soc_dapm_route speaker_map[] = {
 327         /* speaker */
 328         { "Spk", NULL, "Speaker" },
 329 };
 330
 331 static const struct snd_soc_dapm_route dmic_map[] = {
 332         /* digital mics */
 333         {"DMic", NULL, "SoC DMIC"},
 334 };
 335
 336 static int speaker_codec_init(struct snd_soc_pcm_runtime *rtd)
 337 {
 338         struct snd_soc_card *card = rtd->card;
 339         int ret;
 340
 341         ret = snd_soc_dapm_add_routes(&card->dapm, speaker_map,
 342                                       ARRAY_SIZE(speaker_map));
 343
 344         if (ret)
 345                 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
 346         return ret;
 347 }
 348
 349 static int dmic_init(struct snd_soc_pcm_runtime *rtd)
 350 {
 351         struct snd_soc_card *card = rtd->card;
 352         int ret;
 353
 354         ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
 355                                         ARRAY_SIZE(dmic_widgets));
 356         if (ret) {
 357                 dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
 358                 /* Don't need to add routes if widget addition failed */
 359                 return ret;
 360         }
 361
 362         ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
 363                                       ARRAY_SIZE(dmic_map));
 364
 365         if (ret)
 366                 dev_err(card->dev, "DMic map addition failed: %d\n", ret);
 367
 368         return ret;
 369 }
 370
 371 /* sof audio machine driver for rt5682 codec */
 372 static struct snd_soc_card sof_audio_card_rt5682 = {
 373         .name = "sof_rt5682",
 374         .owner = THIS_MODULE,
 375         .controls = sof_controls,
 376         .num_controls = ARRAY_SIZE(sof_controls),
 377         .dapm_widgets = sof_widgets,
 378         .num_dapm_widgets = ARRAY_SIZE(sof_widgets),
 379         .dapm_routes = sof_map,
 380         .num_dapm_routes = ARRAY_SIZE(sof_map),
 381         .fully_routed = true,
 382         .late_probe = sof_card_late_probe,
 383 };
 384
 385 static struct snd_soc_dai_link_component rt5682_component[] = {
 386         {
 387                 .name = "i2c-10EC5682:00",
 388                 .dai_name = "rt5682-aif1",
 389         }
 390 };
 391
 392 static struct snd_soc_dai_link_component dmic_component[] = {
 393         {
 394                 .name = "dmic-codec",
 395                 .dai_name = "dmic-hifi",
 396         }
 397 };
 398
 399 static struct snd_soc_dai_link_component max98357a_component[] = {
 400         {
 401                 .name = "MX98357A:00",
 402                 .dai_name = "HiFi",
 403         }
 404 };
 405
 406 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
 407                                                           int ssp_codec,
 408                                                           int ssp_amp,
 409                                                           int dmic_be_num,
 410                                                           int hdmi_num)
 411 {
 412         struct snd_soc_dai_link_component *idisp_components;
 413         struct snd_soc_dai_link_component *cpus;
 414         struct snd_soc_dai_link *links;
 415         int i, id = 0;
 416
 417         links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
 418                              sof_audio_card_rt5682.num_links, GFP_KERNEL);
 419         cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
 420                              sof_audio_card_rt5682.num_links, GFP_KERNEL);
 421         if (!links || !cpus)
 422                 goto devm_err;
 423
 424         /* codec SSP */
 425         links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 426                                         "SSP%d-Codec", ssp_codec);
 427         if (!links[id].name)
 428                 goto devm_err;
 429
 430         links[id].id = id;
 431         links[id].codecs = rt5682_component;
 432         links[id].num_codecs = ARRAY_SIZE(rt5682_component);
 433         links[id].platforms = platform_component;
 434         links[id].num_platforms = ARRAY_SIZE(platform_component);
 435         links[id].init = sof_rt5682_codec_init;
 436         links[id].ops = &sof_rt5682_ops;
 437         links[id].nonatomic = true;
 438         links[id].dpcm_playback = 1;
 439         links[id].dpcm_capture = 1;
 440         links[id].no_pcm = 1;
 441         links[id].cpus = &cpus[id];
 442         links[id].num_cpus = 1;
 443         if (is_legacy_cpu) {
 444                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 445                                                           "ssp%d-port",
 446                                                           ssp_codec);
 447                 if (!links[id].cpus->dai_name)
 448                         goto devm_err;
 449         } else {
 450                 /*
 451                  * Currently, On SKL+ platforms MCLK will be turned off in sof
 452                  * runtime suspended, and it will go into runtime suspended
 453                  * right after playback is stop. However, rt5682 will output
 454                  * static noise if sysclk turns off during playback. Set
 455                  * ignore_pmdown_time to power down rt5682 immediately and
 456                  * avoid the noise.
 457                  * It can be removed once we can control MCLK by driver.
 458                  */
 459                 links[id].ignore_pmdown_time = 1;
 460                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 461                                                           "SSP%d Pin",
 462                                                           ssp_codec);
 463                 if (!links[id].cpus->dai_name)
 464                         goto devm_err;
 465         }
 466         id++;
 467
 468         /* dmic */
 469         if (dmic_be_num > 0) {
 470                 /* at least we have dmic01 */
 471                 links[id].name = "dmic01";
 472                 links[id].cpus = &cpus[id];
 473                 links[id].cpus->dai_name = "DMIC01 Pin";
 474                 links[id].init = dmic_init;
 475                 if (dmic_be_num > 1) {
 476                         /* set up 2 BE links at most */
 477                         links[id + 1].name = "dmic16k";
 478                         links[id + 1].cpus = &cpus[id + 1];
 479                         links[id + 1].cpus->dai_name = "DMIC16k Pin";
 480                         dmic_be_num = 2;
 481                 }
 482         }
 483
 484         for (i = 0; i < dmic_be_num; i++) {
 485                 links[id].id = id;
 486                 links[id].num_cpus = 1;
 487                 links[id].codecs = dmic_component;
 488                 links[id].num_codecs = ARRAY_SIZE(dmic_component);
 489                 links[id].platforms = platform_component;
 490                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 491                 links[id].ignore_suspend = 1;
 492                 links[id].dpcm_capture = 1;
 493                 links[id].no_pcm = 1;
 494                 id++;
 495         }
 496
 497         /* HDMI */
 498         if (hdmi_num > 0) {
 499                 idisp_components = devm_kzalloc(dev,
 500                                    sizeof(struct snd_soc_dai_link_component) *
 501                                    hdmi_num, GFP_KERNEL);
 502                 if (!idisp_components)
 503                         goto devm_err;
 504         }
 505         for (i = 1; i <= hdmi_num; i++) {
 506                 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 507                                                 "iDisp%d", i);
 508                 if (!links[id].name)
 509                         goto devm_err;
 510
 511                 links[id].id = id;
 512                 links[id].cpus = &cpus[id];
 513                 links[id].num_cpus = 1;
 514                 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 515                                                           "iDisp%d Pin", i);
 516                 if (!links[id].cpus->dai_name)
 517                         goto devm_err;
 518
 519                 idisp_components[i - 1].name = "ehdaudio0D2";
 520                 idisp_components[i - 1].dai_name = devm_kasprintf(dev,
 521                                                                   GFP_KERNEL,
 522                                                                   "intel-hdmi-hifi%d",
 523                                                                   i);
 524                 if (!idisp_components[i - 1].dai_name)
 525                         goto devm_err;
 526
 527                 links[id].codecs = &idisp_components[i - 1];
 528                 links[id].num_codecs = 1;
 529                 links[id].platforms = platform_component;
 530                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 531                 links[id].init = sof_hdmi_init;
 532                 links[id].dpcm_playback = 1;
 533                 links[id].no_pcm = 1;
 534                 id++;
 535         }
 536
 537         /* speaker amp */
 538         if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT) {
 539                 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
 540                                                 "SSP%d-Codec", ssp_amp);
 541                 if (!links[id].name)
 542                         goto devm_err;
 543
 544                 links[id].id = id;
 545                 links[id].codecs = max98357a_component;
 546                 links[id].num_codecs = ARRAY_SIZE(max98357a_component);
 547                 links[id].platforms = platform_component;
 548                 links[id].num_platforms = ARRAY_SIZE(platform_component);
 549                 links[id].init = speaker_codec_init,
 550                 links[id].nonatomic = true;
 551                 links[id].dpcm_playback = 1;
 552                 links[id].no_pcm = 1;
 553                 links[id].cpus = &cpus[id];
 554                 links[id].num_cpus = 1;
 555                 if (is_legacy_cpu) {
 556                         links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 557                                                                   "ssp%d-port",
 558                                                                   ssp_amp);
 559                         if (!links[id].cpus->dai_name)
 560                                 goto devm_err;
 561
 562                 } else {
 563                         links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
 564                                                                   "SSP%d Pin",
 565                                                                   ssp_amp);
 566                         if (!links[id].cpus->dai_name)
 567                                 goto devm_err;
 568                 }
 569         }
 570
 571         return links;
 572 devm_err:
 573         return NULL;
 574 }
 575
 576 static int sof_audio_probe(struct platform_device *pdev)
 577 {
 578         struct snd_soc_dai_link *dai_links;
 579         struct snd_soc_acpi_mach *mach;
 580         struct sof_card_private *ctx;
 581         int dmic_be_num, hdmi_num;
 582         int ret, ssp_amp, ssp_codec;
 583
 584         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 585         if (!ctx)
 586                 return -ENOMEM;
 587
 588         if (soc_intel_is_byt() || soc_intel_is_cht()) {
 589                 is_legacy_cpu = 1;
 590                 dmic_be_num = 0;
 591                 hdmi_num = 0;
 592                 /* default quirk for legacy cpu */
 593                 sof_rt5682_quirk = SOF_RT5682_MCLK_EN |
 594                                                 SOF_RT5682_MCLK_BYTCHT_EN |
 595                                                 SOF_RT5682_SSP_CODEC(2);
 596         } else {
 597                 dmic_be_num = 2;
 598                 hdmi_num = 3;
 599         }
 600
 601         dmi_check_system(sof_rt5682_quirk_table);
 602
 603         /* need to get main clock from pmc */
 604         if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 605                 ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
 606                 if (IS_ERR(ctx->mclk)) {
 607                         ret = PTR_ERR(ctx->mclk);
 608
 609                         dev_err(&pdev->dev,
 610                                 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
 611                                 ret);
 612                         return ret;
 613                 }
 614
 615                 ret = clk_prepare_enable(ctx->mclk);
 616                 if (ret < 0) {
 617                         dev_err(&pdev->dev,
 618                                 "could not configure MCLK state");
 619                         return ret;
 620                 }
 621         }
 622
 623         dev_dbg(&pdev->dev, "sof_rt5682_quirk = %lx\n", sof_rt5682_quirk);
 624
 625         ssp_amp = (sof_rt5682_quirk & SOF_RT5682_SSP_AMP_MASK) >>
 626                         SOF_RT5682_SSP_AMP_SHIFT;
 627
 628         ssp_codec = sof_rt5682_quirk & SOF_RT5682_SSP_CODEC_MASK;
 629
 630         /* compute number of dai links */
 631         sof_audio_card_rt5682.num_links = 1 + dmic_be_num + hdmi_num;
 632
 633         if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT)
 634                 sof_audio_card_rt5682.num_links++;
 635
 636         dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
 637                                               dmic_be_num, hdmi_num);
 638         if (!dai_links)
 639                 return -ENOMEM;
 640
 641         sof_audio_card_rt5682.dai_link = dai_links;
 642
 643         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
 644
 645         sof_audio_card_rt5682.dev = &pdev->dev;
 646         mach = (&pdev->dev)->platform_data;
 647
 648         /* set platform name for each dailink */
 649         ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_rt5682,
 650                                                     mach->mach_params.platform);
 651         if (ret)
 652                 return ret;
 653
 654         snd_soc_card_set_drvdata(&sof_audio_card_rt5682, ctx);
 655
 656         return devm_snd_soc_register_card(&pdev->dev,
 657                                           &sof_audio_card_rt5682);
 658 }
 659
 660 static int sof_rt5682_remove(struct platform_device *pdev)
 661 {
 662         struct snd_soc_card *card = platform_get_drvdata(pdev);
 663         struct snd_soc_component *component = NULL;
 664
 665         for_each_card_components(card, component) {
 666                 if (!strcmp(component->name, rt5682_component[0].name)) {
 667                         snd_soc_component_set_jack(component, NULL, NULL);
 668                         break;
 669                 }
 670         }
 671
 672         return 0;
 673 }
 674
 675 static struct platform_driver sof_audio = {
 676         .probe = sof_audio_probe,
 677         .remove = sof_rt5682_remove,
 678         .driver = {
 679                 .name = "sof_rt5682",
 680                 .pm = &snd_soc_pm_ops,
 681         },
 682 };
 683 module_platform_driver(sof_audio)
 684
 685 /* Module information */
 686 MODULE_DESCRIPTION("SOF Audio Machine driver");
 687 MODULE_AUTHOR("Bard Liao <bard.liao@intel.com>");
 688 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
 689 MODULE_LICENSE("GPL v2");
 690 MODULE_ALIAS("platform:sof_rt5682");