sound/hda/intel-dsp-config.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (c) 2019 Jaroslav Kysela <perex@perex.cz>
   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
  15 static int dsp_driver;
  16
  17 module_param(dsp_driver, int, 0444);
  18 MODULE_PARM_DESC(dsp_driver, "Force the DSP driver for Intel DSP (0=auto, 1=legacy, 2=SST, 3=SOF)");
  19
  20 #define FLAG_SST                        BIT(0)
  21 #define FLAG_SOF                        BIT(1)
  22 #define FLAG_SST_ONLY_IF_DMIC           BIT(15)
  23 #define FLAG_SOF_ONLY_IF_DMIC           BIT(16)
  24 #define FLAG_SOF_ONLY_IF_SOUNDWIRE      BIT(17)
  25
  26 #define FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE (FLAG_SOF_ONLY_IF_DMIC | \
  27                                             FLAG_SOF_ONLY_IF_SOUNDWIRE)
  28
  29 struct config_entry {
  30         u32 flags;
  31         u16 device;
  32         u8 acpi_hid[ACPI_ID_LEN];
  33         const struct dmi_system_id *dmi_table;
  34 };
  35
  36 /*
  37  * configuration table
  38  * - the order of similar PCI ID entries is important!
  39  * - the first successful match will win
  40  */
  41 static const struct config_entry config_table[] = {
  42 /* Merrifield */
  43 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
  44         {
  45                 .flags = FLAG_SOF,
  46                 .device = 0x119a,
  47         },
  48 #endif
  49 /* Broxton-T */
  50 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
  51         {
  52                 .flags = FLAG_SOF,
  53                 .device = 0x1a98,
  54         },
  55 #endif
  56 /*
  57  * Apollolake (Broxton-P)
  58  * the legacy HDAudio driver is used except on Up Squared (SOF) and
  59  * Chromebooks (SST)
  60  */
  61 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
  62         {
  63                 .flags = FLAG_SOF,
  64                 .device = 0x5a98,
  65                 .dmi_table = (const struct dmi_system_id []) {
  66                         {
  67                                 .ident = "Up Squared",
  68                                 .matches = {
  69                                         DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
  70                                         DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"),
  71                                 }
  72                         },
  73                         {}
  74                 }
  75         },
  76 #endif
  77 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL)
  78         {
  79                 .flags = FLAG_SST,
  80                 .device = 0x5a98,
  81                 .dmi_table = (const struct dmi_system_id []) {
  82                         {
  83                                 .ident = "Google Chromebooks",
  84                                 .matches = {
  85                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
  86                                 }
  87                         },
  88                         {}
  89                 }
  90         },
  91 #endif
  92 /*
  93  * Skylake and Kabylake use legacy HDAudio driver except for Google
  94  * Chromebooks (SST)
  95  */
  96
  97 /* Sunrise Point-LP */
  98 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKL)
  99         {
 100                 .flags = FLAG_SST,
 101                 .device = 0x9d70,
 102                 .dmi_table = (const struct dmi_system_id []) {
 103                         {
 104                                 .ident = "Google Chromebooks",
 105                                 .matches = {
 106                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 107                                 }
 108                         },
 109                         {}
 110                 }
 111         },
 112         {
 113                 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
 114                 .device = 0x9d70,
 115         },
 116 #endif
 117 /* Kabylake-LP */
 118 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL)
 119         {
 120                 .flags = FLAG_SST,
 121                 .device = 0x9d71,
 122                 .dmi_table = (const struct dmi_system_id []) {
 123                         {
 124                                 .ident = "Google Chromebooks",
 125                                 .matches = {
 126                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 127                                 }
 128                         },
 129                         {}
 130                 }
 131         },
 132         {
 133                 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
 134                 .device = 0x9d71,
 135         },
 136 #endif
 137
 138 /*
 139  * Geminilake uses legacy HDAudio driver except for Google
 140  * Chromebooks
 141  */
 142 /* Geminilake */
 143 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
 144         {
 145                 .flags = FLAG_SOF,
 146                 .device = 0x3198,
 147                 .dmi_table = (const struct dmi_system_id []) {
 148                         {
 149                                 .ident = "Google Chromebooks",
 150                                 .matches = {
 151                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 152                                 }
 153                         },
 154                         {}
 155                 }
 156         },
 157 #endif
 158
 159 /*
 160  * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake use legacy
 161  * HDAudio driver except for Google Chromebooks and when DMICs are
 162  * present. Two cases are required since Coreboot does not expose NHLT
 163  * tables.
 164  *
 165  * When the Chromebook quirk is not present, it's based on information
 166  * that no such device exists. When the quirk is present, it could be
 167  * either based on product information or a placeholder.
 168  */
 169
 170 /* Cannonlake */
 171 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
 172         {
 173                 .flags = FLAG_SOF,
 174                 .device = 0x9dc8,
 175                 .dmi_table = (const struct dmi_system_id []) {
 176                         {
 177                                 .ident = "Google Chromebooks",
 178                                 .matches = {
 179                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 180                                 }
 181                         },
 182                         {}
 183                 }
 184         },
 185         {
 186                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 187                 .device = 0x9dc8,
 188         },
 189 #endif
 190
 191 /* Coffelake */
 192 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
 193         {
 194                 .flags = FLAG_SOF,
 195                 .device = 0xa348,
 196                 .dmi_table = (const struct dmi_system_id []) {
 197                         {
 198                                 .ident = "Google Chromebooks",
 199                                 .matches = {
 200                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 201                                 }
 202                         },
 203                         {}
 204                 }
 205         },
 206         {
 207                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 208                 .device = 0xa348,
 209         },
 210 #endif
 211
 212 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
 213 /* Cometlake-LP */
 214         {
 215                 .flags = FLAG_SOF,
 216                 .device = 0x02c8,
 217                 .dmi_table = (const struct dmi_system_id []) {
 218                         {
 219                                 .ident = "Google Chromebooks",
 220                                 .matches = {
 221                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 222                                 }
 223                         },
 224                         {
 225                                 .matches = {
 226                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 227                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
 228                                 },
 229                         },
 230                         {
 231                                 /* early version of SKU 09C6 */
 232                                 .matches = {
 233                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 234                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
 235                                 },
 236                         },
 237                         {}
 238                 }
 239         },
 240         {
 241                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 242                 .device = 0x02c8,
 243         },
 244 /* Cometlake-H */
 245         {
 246                 .flags = FLAG_SOF,
 247                 .device = 0x06c8,
 248                 .dmi_table = (const struct dmi_system_id []) {
 249                         {
 250                                 .matches = {
 251                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 252                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
 253                                 },
 254                         },
 255                         {
 256                                 .matches = {
 257                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 258                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
 259                                 },
 260                         },
 261                         {}
 262                 }
 263         },
 264         {
 265                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 266                 .device = 0x06c8,
 267         },
 268 #endif
 269
 270 /* Icelake */
 271 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
 272         {
 273                 .flags = FLAG_SOF,
 274                 .device = 0x34c8,
 275                 .dmi_table = (const struct dmi_system_id []) {
 276                         {
 277                                 .ident = "Google Chromebooks",
 278                                 .matches = {
 279                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 280                                 }
 281                         },
 282                         {}
 283                 }
 284         },
 285         {
 286                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 287                 .device = 0x34c8,
 288         },
 289 #endif
 290
 291 /* Tigerlake */
 292 #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
 293         {
 294                 .flags = FLAG_SOF,
 295                 .device = 0xa0c8,
 296                 .dmi_table = (const struct dmi_system_id []) {
 297                         {
 298                                 .ident = "Google Chromebooks",
 299                                 .matches = {
 300                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 301                                 }
 302                         },
 303                         {}
 304                 }
 305         },
 306         {
 307                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 308                 .device = 0xa0c8,
 309         },
 310 #endif
 311
 312 /* Elkhart Lake */
 313 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
 314         {
 315                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
 316                 .device = 0x4b55,
 317         },
 318 #endif
 319
 320 };
 321
 322 static const struct config_entry *snd_intel_dsp_find_config
 323                 (struct pci_dev *pci, const struct config_entry *table, u32 len)
 324 {
 325         u16 device;
 326
 327         device = pci->device;
 328         for (; len > 0; len--, table++) {
 329                 if (table->device != device)
 330                         continue;
 331                 if (table->dmi_table && !dmi_check_system(table->dmi_table))
 332                         continue;
 333                 return table;
 334         }
 335         return NULL;
 336 }
 337
 338 static int snd_intel_dsp_check_dmic(struct pci_dev *pci)
 339 {
 340         struct nhlt_acpi_table *nhlt;
 341         int ret = 0;
 342
 343         nhlt = intel_nhlt_init(&pci->dev);
 344         if (nhlt) {
 345                 if (intel_nhlt_get_dmic_geo(&pci->dev, nhlt))
 346                         ret = 1;
 347                 intel_nhlt_free(nhlt);
 348         }
 349         return ret;
 350 }
 351
 352 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
 353 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
 354 {
 355         struct sdw_intel_acpi_info info;
 356         acpi_handle handle;
 357         int ret;
 358
 359         handle = ACPI_HANDLE(&pci->dev);
 360
 361         ret = sdw_intel_acpi_scan(handle, &info);
 362         if (ret < 0)
 363                 return ret;
 364
 365         return info.link_mask;
 366 }
 367 #else
 368 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
 369 {
 370         return 0;
 371 }
 372 #endif
 373
 374 int snd_intel_dsp_driver_probe(struct pci_dev *pci)
 375 {
 376         const struct config_entry *cfg;
 377
 378         /* Intel vendor only */
 379         if (pci->vendor != 0x8086)
 380                 return SND_INTEL_DSP_DRIVER_ANY;
 381
 382         /*
 383          * Legacy devices don't have a PCI-based DSP and use HDaudio
 384          * for HDMI/DP support, ignore kernel parameter
 385          */
 386         switch (pci->device) {
 387         case 0x160c: /* Broadwell */
 388         case 0x0a0c: /* Haswell */
 389         case 0x0c0c:
 390         case 0x0d0c:
 391         case 0x0f04: /* Baytrail */
 392         case 0x2284: /* Braswell */
 393                 return SND_INTEL_DSP_DRIVER_ANY;
 394         }
 395
 396         if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
 397                 return dsp_driver;
 398
 399         /*
 400          * detect DSP by checking class/subclass/prog-id information
 401          * class=04 subclass 03 prog-if 00: no DSP, use legacy driver
 402          * class=04 subclass 01 prog-if 00: DSP is present
 403          *  (and may be required e.g. for DMIC or SSP support)
 404          * class=04 subclass 03 prog-if 80: use DSP or legacy mode
 405          */
 406         if (pci->class == 0x040300)
 407                 return SND_INTEL_DSP_DRIVER_LEGACY;
 408         if (pci->class != 0x040100 && pci->class != 0x040380) {
 409                 dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class);
 410                 return SND_INTEL_DSP_DRIVER_LEGACY;
 411         }
 412
 413         dev_info(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class);
 414
 415         /* find the configuration for the specific device */
 416         cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table));
 417         if (!cfg)
 418                 return SND_INTEL_DSP_DRIVER_ANY;
 419
 420         if (cfg->flags & FLAG_SOF) {
 421                 if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE &&
 422                     snd_intel_dsp_check_soundwire(pci) > 0) {
 423                         dev_info(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n");
 424                         return SND_INTEL_DSP_DRIVER_SOF;
 425                 }
 426                 if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC &&
 427                     snd_intel_dsp_check_dmic(pci)) {
 428                         dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n");
 429                         return SND_INTEL_DSP_DRIVER_SOF;
 430                 }
 431                 if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE))
 432                         return SND_INTEL_DSP_DRIVER_SOF;
 433         }
 434
 435
 436         if (cfg->flags & FLAG_SST) {
 437                 if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) {
 438                         if (snd_intel_dsp_check_dmic(pci)) {
 439                                 dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n");
 440                                 return SND_INTEL_DSP_DRIVER_SST;
 441                         }
 442                 } else {
 443                         return SND_INTEL_DSP_DRIVER_SST;
 444                 }
 445         }
 446
 447         return SND_INTEL_DSP_DRIVER_LEGACY;
 448 }
 449 EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe);
 450
 451 /*
 452  * configuration table
 453  * - the order of similar ACPI ID entries is important!
 454  * - the first successful match will win
 455  */
 456 static const struct config_entry acpi_config_table[] = {
 457 /* BayTrail */
 458 #if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI)
 459         {
 460                 .flags = FLAG_SST,
 461                 .acpi_hid = "80860F28",
 462         },
 463 #endif
 464 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
 465         {
 466                 .flags = FLAG_SOF,
 467                 .acpi_hid = "80860F28",
 468         },
 469 #endif
 470 /* CherryTrail */
 471 #if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI)
 472         {
 473                 .flags = FLAG_SST,
 474                 .acpi_hid = "808622A8",
 475         },
 476 #endif
 477 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
 478         {
 479                 .flags = FLAG_SOF,
 480                 .acpi_hid = "808622A8",
 481         },
 482 #endif
 483 /* Broadwell */
 484 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
 485         {
 486                 .flags = FLAG_SST,
 487                 .acpi_hid = "INT3438"
 488         },
 489 #endif
 490 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
 491         {
 492                 .flags = FLAG_SOF,
 493                 .acpi_hid = "INT3438"
 494         },
 495 #endif
 496 /* Haswell - not supported by SOF but added for consistency */
 497 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
 498         {
 499                 .flags = FLAG_SST,
 500                 .acpi_hid = "INT33C8"
 501         },
 502 #endif
 503 };
 504
 505 static const struct config_entry *snd_intel_acpi_dsp_find_config(const u8 acpi_hid[ACPI_ID_LEN],
 506                                                                  const struct config_entry *table,
 507                                                                  u32 len)
 508 {
 509         for (; len > 0; len--, table++) {
 510                 if (memcmp(table->acpi_hid, acpi_hid, ACPI_ID_LEN))
 511                         continue;
 512                 if (table->dmi_table && !dmi_check_system(table->dmi_table))
 513                         continue;
 514                 return table;
 515         }
 516         return NULL;
 517 }
 518
 519 int snd_intel_acpi_dsp_driver_probe(struct device *dev, const u8 acpi_hid[ACPI_ID_LEN])
 520 {
 521         const struct config_entry *cfg;
 522
 523         if (dsp_driver > SND_INTEL_DSP_DRIVER_LEGACY && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
 524                 return dsp_driver;
 525
 526         if (dsp_driver == SND_INTEL_DSP_DRIVER_LEGACY) {
 527                 dev_warn(dev, "dsp_driver parameter %d not supported, using automatic detection\n",
 528                          SND_INTEL_DSP_DRIVER_LEGACY);
 529         }
 530
 531         /* find the configuration for the specific device */
 532         cfg = snd_intel_acpi_dsp_find_config(acpi_hid,  acpi_config_table,
 533                                              ARRAY_SIZE(acpi_config_table));
 534         if (!cfg)
 535                 return SND_INTEL_DSP_DRIVER_ANY;
 536
 537         if (cfg->flags & FLAG_SST)
 538                 return SND_INTEL_DSP_DRIVER_SST;
 539
 540         if (cfg->flags & FLAG_SOF)
 541                 return SND_INTEL_DSP_DRIVER_SOF;
 542
 543         return SND_INTEL_DSP_DRIVER_SST;
 544 }
 545 EXPORT_SYMBOL_GPL(snd_intel_acpi_dsp_driver_probe);
 546
 547 MODULE_LICENSE("GPL v2");
 548 MODULE_DESCRIPTION("Intel DSP config driver");
 549 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);