sound/hda/intel-dsp-config.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (c) 2019 Jaroslav Kysela <[email protected]>
   3
   4 #include <linux/acpi.h>
   5 #include <linux/bits.h>
   6 #include <linux/dmi.h>
   7 #include <linux/module.h>
   8 #include <linux/pci.h>
   9 #include <linux/soundwire/sdw.h>
  10 #include <linux/soundwire/sdw_intel.h>
  11 #include <sound/core.h>
  12 #include <sound/intel-dsp-config.h>
  13 #include <sound/intel-nhlt.h>
  14 #include <sound/soc-acpi.h>
  15
  16 #include <acpi/nhlt.h>
  17
  18 static int dsp_driver;
  19
  20 module_param(dsp_driver, int, 0444);
  21 MODULE_PARM_DESC(dsp_driver, "Force the DSP driver for Intel DSP (0=auto, 1=legacy, 2=SST, 3=SOF, 4=AVS)");
  22
  23 #define FLAG_SST                        BIT(0)
  24 #define FLAG_SOF                        BIT(1)
  25 #define FLAG_SST_ONLY_IF_DMIC           BIT(15)
  26 #define FLAG_SOF_ONLY_IF_DMIC           BIT(16)
  27 #define FLAG_SOF_ONLY_IF_SOUNDWIRE      BIT(17)
  28
  29 #define FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE (FLAG_SOF_ONLY_IF_DMIC | \
  30                                             FLAG_SOF_ONLY_IF_SOUNDWIRE)
  31
  32 struct config_entry {
  33         u32 flags;
  34         u16 device;
  35         u8 acpi_hid[ACPI_ID_LEN];
  36         const struct dmi_system_id *dmi_table;
  37         const struct snd_soc_acpi_codecs *codec_hid;
  38 };
  39
  40 static const struct snd_soc_acpi_codecs __maybe_unused essx_83x6 = {
  41         .num_codecs = 3,
  42         .codecs = { "ESSX8316", "ESSX8326", "ESSX8336"},
  43 };
  44
  45 /*
  46  * configuration table
  47  * - the order of similar PCI ID entries is important!
  48  * - the first successful match will win
  49  */
  50 static const struct config_entry config_table[] = {
  51 /* Merrifield */
  52 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
  53         {
  54                 .flags = FLAG_SOF,
  55                 .device = PCI_DEVICE_ID_INTEL_SST_TNG,
  56         },
  57 #endif
  58 /*
  59  * Skylake, Kabylake, Apollolake
  60  * the legacy HDAudio driver is used except on Up Squared (SOF) and
  61  * Chromebooks (SST), as well as devices based on the ES8336 codec
  62  */
  63 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_AVS)
  64         {
  65                 .flags = FLAG_SST,
  66                 .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP,
  67                 .dmi_table = (const struct dmi_system_id []) {
  68                         {
  69                                 .ident = "Google Chromebooks",
  70                                 .matches = {
  71                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
  72                                 }
  73                         },
  74                         {}
  75                 }
  76         },
  77         {
  78                 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
  79                 .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP,
  80         },
  81         {
  82                 .flags = FLAG_SST,
  83                 .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP,
  84                 .dmi_table = (const struct dmi_system_id []) {
  85                         {
  86                                 .ident = "Google Chromebooks",
  87                                 .matches = {
  88                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
  89                                 }
  90                         },
  91                         {}
  92                 }
  93         },
  94         {
  95                 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
  96                 .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP,
  97         },
  98         {
  99                 .flags = FLAG_SST,
 100                 .device = PCI_DEVICE_ID_INTEL_HDA_APL,
 101                 .dmi_table = (const struct dmi_system_id []) {
 102                         {
 103                                 .ident = "Google Chromebooks",
 104                                 .matches = {
 105                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 106                                 }
 107                         },
 108                         {}
 109                 }
 110         },
 111 #endif
 112 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
 113         {
 114                 .flags = FLAG_SOF,
 115                 .device = PCI_DEVICE_ID_INTEL_HDA_APL,
 116                 .dmi_table = (const struct dmi_system_id []) {
 117                         {
 118                                 .ident = "Up Squared",
 119                                 .matches = {
 120                                         DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
 121                                         DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"),
 122                                 }
 123                         },
 124                         {}
 125                 }
 126         },
 127         {
 128                 .flags = FLAG_SOF,
 129                 .device = PCI_DEVICE_ID_INTEL_HDA_APL,
 130                 .codec_hid =  &essx_83x6,
 131         },
 132 #endif
 133
 134 /*
 135  * Geminilake uses legacy HDAudio driver except for Google
 136  * Chromebooks and devices based on the ES8336 codec
 137  */
 138 /* Geminilake */
 139 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
 140         {
 141                 .flags = FLAG_SOF,
 142                 .device = PCI_DEVICE_ID_INTEL_HDA_GML,
 143                 .dmi_table = (const struct dmi_system_id []) {
 144                         {
 145                                 .ident = "Google Chromebooks",
 146                                 .matches = {
 147                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 148                                 }
 149                         },
 150                         {}
 151                 }
 152         },
 153         {
 154                 .flags = FLAG_SOF,
 155                 .device = PCI_DEVICE_ID_INTEL_HDA_GML,
 156                 .codec_hid =  &essx_83x6,
 157         },
 158 #endif
 159
 160 /*
 161  * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake, AlderLake,
 162  * RaptorLake use legacy HDAudio driver except for Google Chromebooks
 163  * and when DMICs are present. Two cases are required since Coreboot
 164  * does not expose NHLT tables.
 165  *
 166  * When the Chromebook quirk is not present, it's based on information
 167  * that no such device exists. When the quirk is present, it could be
 168  * either based on product information or a placeholder.
 169  */
 170
 171 /* Cannonlake */
 172 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
 173         {
 174                 .flags = FLAG_SOF,
 175                 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP,
 176                 .dmi_table = (const struct dmi_system_id []) {
 177                         {
 178                                 .ident = "Google Chromebooks",
 179                                 .matches = {
 180                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 181                                 }
 182                         },
 183                         {
 184                                 .ident = "UP-WHL",
 185                                 .matches = {
 186                                         DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
 187                                 }
 188                         },
 189                         {}
 190                 }
 191         },
 192         {
 193                 .flags = FLAG_SOF,
 194                 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP,
 195                 .codec_hid =  &essx_83x6,
 196         },
 197         {
 198                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 199                 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP,
 200         },
 201 #endif
 202
 203 /* Coffelake */
 204 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
 205         {
 206                 .flags = FLAG_SOF,
 207                 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H,
 208                 .dmi_table = (const struct dmi_system_id []) {
 209                         {
 210                                 .ident = "Google Chromebooks",
 211                                 .matches = {
 212                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 213                                 }
 214                         },
 215                         {}
 216                 }
 217         },
 218         {
 219                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 220                 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H,
 221         },
 222 #endif
 223
 224 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
 225 /* Cometlake-LP */
 226         {
 227                 .flags = FLAG_SOF,
 228                 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP,
 229                 .dmi_table = (const struct dmi_system_id []) {
 230                         {
 231                                 .ident = "Google Chromebooks",
 232                                 .matches = {
 233                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 234                                 }
 235                         },
 236                         {
 237                                 .matches = {
 238                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 239                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
 240                                 },
 241                         },
 242                         {
 243                                 /* early version of SKU 09C6 */
 244                                 .matches = {
 245                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 246                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
 247                                 },
 248                         },
 249                         {}
 250                 }
 251         },
 252         {
 253                 .flags = FLAG_SOF,
 254                 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP,
 255                 .codec_hid =  &essx_83x6,
 256         },
 257         {
 258                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 259                 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP,
 260         },
 261 /* Cometlake-H */
 262         {
 263                 .flags = FLAG_SOF,
 264                 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H,
 265                 .dmi_table = (const struct dmi_system_id []) {
 266                         {
 267                                 .matches = {
 268                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 269                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
 270                                 },
 271                         },
 272                         {
 273                                 .matches = {
 274                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 275                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
 276                                 },
 277                         },
 278                         {}
 279                 }
 280         },
 281         {
 282                 .flags = FLAG_SOF,
 283                 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H,
 284                 .codec_hid =  &essx_83x6,
 285         },
 286         {
 287                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 288                 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H,
 289         },
 290 #endif
 291
 292 /* Icelake */
 293 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
 294         {
 295                 .flags = FLAG_SOF,
 296                 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP,
 297                 .dmi_table = (const struct dmi_system_id []) {
 298                         {
 299                                 .ident = "Google Chromebooks",
 300                                 .matches = {
 301                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 302                                 }
 303                         },
 304                         {}
 305                 }
 306         },
 307         {
 308                 .flags = FLAG_SOF,
 309                 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP,
 310                 .codec_hid =  &essx_83x6,
 311         },
 312         {
 313                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 314                 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP,
 315         },
 316 #endif
 317
 318 /* Jasper Lake */
 319 #if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE)
 320         {
 321                 .flags = FLAG_SOF,
 322                 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N,
 323                 .dmi_table = (const struct dmi_system_id []) {
 324                         {
 325                                 .ident = "Google Chromebooks",
 326                                 .matches = {
 327                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 328                                 }
 329                         },
 330                         {
 331                                 .ident = "Google firmware",
 332                                 .matches = {
 333                                         DMI_MATCH(DMI_BIOS_VERSION, "Google"),
 334                                 }
 335                         },
 336                         {}
 337                 }
 338         },
 339         {
 340                 .flags = FLAG_SOF,
 341                 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N,
 342                 .codec_hid =  &essx_83x6,
 343         },
 344         {
 345                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
 346                 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N,
 347         },
 348 #endif
 349
 350 /* Tigerlake */
 351 #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
 352         {
 353                 .flags = FLAG_SOF,
 354                 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP,
 355                 .dmi_table = (const struct dmi_system_id []) {
 356                         {
 357                                 .ident = "Google Chromebooks",
 358                                 .matches = {
 359                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 360                                 }
 361                         },
 362                         {
 363                                 .ident = "UPX-TGL",
 364                                 .matches = {
 365                                         DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
 366                                 }
 367                         },
 368                         {}
 369                 }
 370         },
 371         {
 372                 .flags = FLAG_SOF,
 373                 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP,
 374                 .codec_hid =  &essx_83x6,
 375         },
 376         {
 377                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 378                 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP,
 379         },
 380         {
 381                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 382                 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_H,
 383         },
 384 #endif
 385
 386 /* Elkhart Lake */
 387 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
 388         {
 389                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
 390                 .device = PCI_DEVICE_ID_INTEL_HDA_EHL_0,
 391         },
 392         {
 393                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
 394                 .device = PCI_DEVICE_ID_INTEL_HDA_EHL_3,
 395         },
 396 #endif
 397
 398 /* Alder Lake / Raptor Lake */
 399 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE)
 400         {
 401                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 402                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_S,
 403         },
 404         {
 405                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 406                 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_S,
 407         },
 408         {
 409                 .flags = FLAG_SOF,
 410                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P,
 411                 .dmi_table = (const struct dmi_system_id []) {
 412                         {
 413                                 .ident = "Google Chromebooks",
 414                                 .matches = {
 415                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 416                                 }
 417                         },
 418                         {}
 419                 }
 420         },
 421         {
 422                 .flags = FLAG_SOF,
 423                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P,
 424                 .codec_hid =  &essx_83x6,
 425         },
 426         {
 427                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 428                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P,
 429         },
 430         {
 431                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 432                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PX,
 433         },
 434         {
 435                 .flags = FLAG_SOF,
 436                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS,
 437                 .codec_hid =  &essx_83x6,
 438         },
 439         {
 440                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 441                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS,
 442         },
 443         {
 444                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 445                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_M,
 446         },
 447         {
 448                 .flags = FLAG_SOF,
 449                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N,
 450                 .dmi_table = (const struct dmi_system_id []) {
 451                         {
 452                                 .ident = "Google Chromebooks",
 453                                 .matches = {
 454                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 455                                 }
 456                         },
 457                         {}
 458                 }
 459         },
 460         {
 461                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 462                 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N,
 463         },
 464         {
 465                 .flags = FLAG_SOF,
 466                 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0,
 467                 .dmi_table = (const struct dmi_system_id []) {
 468                         {
 469                                 .ident = "Google Chromebooks",
 470                                 .matches = {
 471                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 472                                 }
 473                         },
 474                         {}
 475                 }
 476         },
 477         {
 478                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 479                 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0,
 480         },
 481         {
 482                 .flags = FLAG_SOF,
 483                 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1,
 484                 .dmi_table = (const struct dmi_system_id []) {
 485                         {
 486                                 .ident = "Google Chromebooks",
 487                                 .matches = {
 488                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 489                                 }
 490                         },
 491                         {}
 492                 }
 493         },
 494         {
 495                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 496                 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1,
 497         },
 498         {
 499                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 500                 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_M,
 501         },
 502         {
 503                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 504                 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_PX,
 505         },
 506 #endif
 507
 508 /* Meteor Lake */
 509 #if IS_ENABLED(CONFIG_SND_SOC_SOF_METEORLAKE)
 510         /* Meteorlake-P */
 511         {
 512                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 513                 .device = PCI_DEVICE_ID_INTEL_HDA_MTL,
 514         },
 515         /* ArrowLake-S */
 516         {
 517                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 518                 .device = PCI_DEVICE_ID_INTEL_HDA_ARL_S,
 519         },
 520         /* ArrowLake */
 521         {
 522                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 523                 .device = PCI_DEVICE_ID_INTEL_HDA_ARL,
 524         },
 525 #endif
 526
 527 /* Lunar Lake */
 528 #if IS_ENABLED(CONFIG_SND_SOC_SOF_LUNARLAKE)
 529         /* Lunarlake-P */
 530         {
 531                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 532                 .device = PCI_DEVICE_ID_INTEL_HDA_LNL_P,
 533         },
 534 #endif
 535
 536         /* Panther Lake */
 537 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PANTHERLAKE)
 538         {
 539                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 540                 .device = PCI_DEVICE_ID_INTEL_HDA_PTL,
 541         },
 542 #endif
 543
 544 };
 545
 546 static const struct config_entry *snd_intel_dsp_find_config
 547                 (struct pci_dev *pci, const struct config_entry *table, u32 len)
 548 {
 549         u16 device;
 550
 551         device = pci->device;
 552         for (; len > 0; len--, table++) {
 553                 if (table->device != device)
 554                         continue;
 555                 if (table->dmi_table && !dmi_check_system(table->dmi_table))
 556                         continue;
 557                 if (table->codec_hid) {
 558                         int i;
 559
 560                         for (i = 0; i < table->codec_hid->num_codecs; i++) {
 561                                 struct nhlt_acpi_table *nhlt;
 562                                 bool ssp_found = false;
 563
 564                                 if (!acpi_dev_present(table->codec_hid->codecs[i], NULL, -1))
 565                                         continue;
 566
 567                                 nhlt = intel_nhlt_init(&pci->dev);
 568                                 if (!nhlt) {
 569                                         dev_warn(&pci->dev, "%s: NHLT table not found, skipped HID %s\n",
 570                                                  __func__, table->codec_hid->codecs[i]);
 571                                         continue;
 572                                 }
 573
 574                                 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP) &&
 575                                     intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S))
 576                                         ssp_found = true;
 577
 578                                 intel_nhlt_free(nhlt);
 579
 580                                 if (ssp_found)
 581                                         break;
 582
 583                                 dev_warn(&pci->dev, "%s: no valid SSP found for HID %s, skipped\n",
 584                                          __func__, table->codec_hid->codecs[i]);
 585                         }
 586                         if (i == table->codec_hid->num_codecs)
 587                                 continue;
 588                 }
 589                 return table;
 590         }
 591         return NULL;
 592 }
 593
 594 static int snd_intel_dsp_check_dmic(struct pci_dev *pci)
 595 {
 596         int ret = 0;
 597
 598         acpi_nhlt_get_gbl_table();
 599
 600         if (acpi_nhlt_find_endpoint(ACPI_NHLT_LINKTYPE_PDM, -1, -1, -1))
 601                 ret = 1;
 602
 603         acpi_nhlt_put_gbl_table();
 604
 605         return ret;
 606 }
 607
 608 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
 609 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
 610 {
 611         struct sdw_intel_acpi_info info;
 612         acpi_handle handle;
 613         int ret;
 614
 615         handle = ACPI_HANDLE(&pci->dev);
 616
 617         ret = sdw_intel_acpi_scan(handle, &info);
 618         if (ret < 0)
 619                 return ret;
 620
 621         return info.link_mask;
 622 }
 623 #else
 624 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
 625 {
 626         return 0;
 627 }
 628 #endif
 629
 630 int snd_intel_dsp_driver_probe(struct pci_dev *pci)
 631 {
 632         const struct config_entry *cfg;
 633
 634         /* Intel vendor only */
 635         if (pci->vendor != PCI_VENDOR_ID_INTEL)
 636                 return SND_INTEL_DSP_DRIVER_ANY;
 637
 638         /*
 639          * Legacy devices don't have a PCI-based DSP and use HDaudio
 640          * for HDMI/DP support, ignore kernel parameter
 641          */
 642         switch (pci->device) {
 643         case PCI_DEVICE_ID_INTEL_HDA_BDW:
 644         case PCI_DEVICE_ID_INTEL_HDA_HSW_0:
 645         case PCI_DEVICE_ID_INTEL_HDA_HSW_2:
 646         case PCI_DEVICE_ID_INTEL_HDA_HSW_3:
 647         case PCI_DEVICE_ID_INTEL_HDA_BYT:
 648         case PCI_DEVICE_ID_INTEL_HDA_BSW:
 649                 return SND_INTEL_DSP_DRIVER_ANY;
 650         }
 651
 652         if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
 653                 return dsp_driver;
 654
 655         /*
 656          * detect DSP by checking class/subclass/prog-id information
 657          * class=04 subclass 03 prog-if 00: no DSP, use legacy driver
 658          * class=04 subclass 01 prog-if 00: DSP is present
 659          *  (and may be required e.g. for DMIC or SSP support)
 660          * class=04 subclass 03 prog-if 80: use DSP or legacy mode
 661          */
 662         if (pci->class == 0x040300)
 663                 return SND_INTEL_DSP_DRIVER_LEGACY;
 664         if (pci->class != 0x040100 && pci->class != 0x040380) {
 665                 dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class);
 666                 return SND_INTEL_DSP_DRIVER_LEGACY;
 667         }
 668
 669         dev_dbg(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class);
 670
 671         /* find the configuration for the specific device */
 672         cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table));
 673         if (!cfg)
 674                 return SND_INTEL_DSP_DRIVER_ANY;
 675
 676         if (cfg->flags & FLAG_SOF) {
 677                 if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE &&
 678                     snd_intel_dsp_check_soundwire(pci) > 0) {
 679                         dev_info_once(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n");
 680                         return SND_INTEL_DSP_DRIVER_SOF;
 681                 }
 682                 if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC &&
 683                     snd_intel_dsp_check_dmic(pci)) {
 684                         dev_info_once(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n");
 685                         return SND_INTEL_DSP_DRIVER_SOF;
 686                 }
 687                 if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE))
 688                         return SND_INTEL_DSP_DRIVER_SOF;
 689         }
 690
 691
 692         if (cfg->flags & FLAG_SST) {
 693                 if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) {
 694                         if (snd_intel_dsp_check_dmic(pci)) {
 695                                 dev_info_once(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n");
 696                                 return SND_INTEL_DSP_DRIVER_SST;
 697                         }
 698                 } else {
 699                         return SND_INTEL_DSP_DRIVER_SST;
 700                 }
 701         }
 702
 703         return SND_INTEL_DSP_DRIVER_LEGACY;
 704 }
 705 EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe);
 706
 707 /* Should we default to SOF or SST for BYT/CHT ? */
 708 #if IS_ENABLED(CONFIG_SND_INTEL_BYT_PREFER_SOF) || \
 709     !IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI)
 710 #define FLAG_SST_OR_SOF_BYT     FLAG_SOF
 711 #else
 712 #define FLAG_SST_OR_SOF_BYT     FLAG_SST
 713 #endif
 714
 715 /*
 716  * configuration table
 717  * - the order of similar ACPI ID entries is important!
 718  * - the first successful match will win
 719  */
 720 static const struct config_entry acpi_config_table[] = {
 721 #if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) || \
 722     IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
 723 /* BayTrail */
 724         {
 725                 .flags = FLAG_SST_OR_SOF_BYT,
 726                 .acpi_hid = "LPE0F28",
 727         },
 728         {
 729                 .flags = FLAG_SST_OR_SOF_BYT,
 730                 .acpi_hid = "80860F28",
 731         },
 732 /* CherryTrail */
 733         {
 734                 .flags = FLAG_SST_OR_SOF_BYT,
 735                 .acpi_hid = "808622A8",
 736         },
 737 #endif
 738 /* Broadwell */
 739 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
 740         {
 741                 .flags = FLAG_SST,
 742                 .acpi_hid = "INT3438"
 743         },
 744 #endif
 745 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
 746         {
 747                 .flags = FLAG_SOF,
 748                 .acpi_hid = "INT3438"
 749         },
 750 #endif
 751 /* Haswell - not supported by SOF but added for consistency */
 752 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
 753         {
 754                 .flags = FLAG_SST,
 755                 .acpi_hid = "INT33C8"
 756         },
 757 #endif
 758 };
 759
 760 static const struct config_entry *snd_intel_acpi_dsp_find_config(const u8 acpi_hid[ACPI_ID_LEN],
 761                                                                  const struct config_entry *table,
 762                                                                  u32 len)
 763 {
 764         for (; len > 0; len--, table++) {
 765                 if (memcmp(table->acpi_hid, acpi_hid, ACPI_ID_LEN))
 766                         continue;
 767                 if (table->dmi_table && !dmi_check_system(table->dmi_table))
 768                         continue;
 769                 return table;
 770         }
 771         return NULL;
 772 }
 773
 774 int snd_intel_acpi_dsp_driver_probe(struct device *dev, const u8 acpi_hid[ACPI_ID_LEN])
 775 {
 776         const struct config_entry *cfg;
 777
 778         if (dsp_driver > SND_INTEL_DSP_DRIVER_LEGACY && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
 779                 return dsp_driver;
 780
 781         if (dsp_driver == SND_INTEL_DSP_DRIVER_LEGACY) {
 782                 dev_warn(dev, "dsp_driver parameter %d not supported, using automatic detection\n",
 783                          SND_INTEL_DSP_DRIVER_LEGACY);
 784         }
 785
 786         /* find the configuration for the specific device */
 787         cfg = snd_intel_acpi_dsp_find_config(acpi_hid,  acpi_config_table,
 788                                              ARRAY_SIZE(acpi_config_table));
 789         if (!cfg)
 790                 return SND_INTEL_DSP_DRIVER_ANY;
 791
 792         if (cfg->flags & FLAG_SST)
 793                 return SND_INTEL_DSP_DRIVER_SST;
 794
 795         if (cfg->flags & FLAG_SOF)
 796                 return SND_INTEL_DSP_DRIVER_SOF;
 797
 798         return SND_INTEL_DSP_DRIVER_SST;
 799 }
 800 EXPORT_SYMBOL_GPL(snd_intel_acpi_dsp_driver_probe);
 801
 802 MODULE_LICENSE("GPL v2");
 803 MODULE_DESCRIPTION("Intel DSP config driver");
 804 MODULE_IMPORT_NS("SND_INTEL_SOUNDWIRE_ACPI");