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 #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 { 112 .flags = FLAG_SST, 113 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_M, 114 }, 115 { 116 .flags = FLAG_SST, 117 .device = PCI_DEVICE_ID_INTEL_HDA_FCL, 118 }, 119 #else /* AVS disabled; force to legacy as SOF doesn't work for SKL or KBL */ 120 { 121 .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP, 122 }, 123 { 124 .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP, 125 }, 126 #endif 127 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE) 128 { 129 .flags = FLAG_SOF, 130 .device = PCI_DEVICE_ID_INTEL_HDA_APL, 131 .dmi_table = (const struct dmi_system_id []) { 132 { 133 .ident = "Up Squared", 134 .matches = { 135 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), 136 DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"), 137 } 138 }, 139 {} 140 } 141 }, 142 { 143 .flags = FLAG_SOF, 144 .device = PCI_DEVICE_ID_INTEL_HDA_APL, 145 .codec_hid = &essx_83x6, 146 }, 147 #endif 148 149 /* 150 * Geminilake uses legacy HDAudio driver except for Google 151 * Chromebooks and devices based on the ES8336 codec 152 */ 153 /* Geminilake */ 154 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE) 155 { 156 .flags = FLAG_SOF, 157 .device = PCI_DEVICE_ID_INTEL_HDA_GML, 158 .dmi_table = (const struct dmi_system_id []) { 159 { 160 .ident = "Google Chromebooks", 161 .matches = { 162 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 163 } 164 }, 165 {} 166 } 167 }, 168 { 169 .flags = FLAG_SOF, 170 .device = PCI_DEVICE_ID_INTEL_HDA_GML, 171 .codec_hid = &essx_83x6, 172 }, 173 #endif 174 175 /* 176 * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake, AlderLake, 177 * RaptorLake, MeteorLake use legacy HDAudio driver except for Google 178 * Chromebooks and when DMICs are present. Two cases are required since 179 * Coreboot does not expose NHLT tables. 180 * 181 * When the Chromebook quirk is not present, it's based on information 182 * that no such device exists. When the quirk is present, it could be 183 * either based on product information or a placeholder. 184 */ 185 186 /* Cannonlake */ 187 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE) 188 { 189 .flags = FLAG_SOF, 190 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP, 191 .dmi_table = (const struct dmi_system_id []) { 192 { 193 .ident = "Google Chromebooks", 194 .matches = { 195 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 196 } 197 }, 198 { 199 .ident = "UP-WHL", 200 .matches = { 201 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), 202 } 203 }, 204 {} 205 } 206 }, 207 { 208 .flags = FLAG_SOF, 209 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP, 210 .codec_hid = &essx_83x6, 211 }, 212 { 213 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 214 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP, 215 }, 216 #endif 217 218 /* Coffelake */ 219 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE) 220 { 221 .flags = FLAG_SOF, 222 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H, 223 .dmi_table = (const struct dmi_system_id []) { 224 { 225 .ident = "Google Chromebooks", 226 .matches = { 227 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 228 } 229 }, 230 {} 231 } 232 }, 233 { 234 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 235 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H, 236 }, 237 #endif 238 239 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE) 240 /* Cometlake-LP */ 241 { 242 .flags = FLAG_SOF, 243 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP, 244 .dmi_table = (const struct dmi_system_id []) { 245 { 246 .ident = "Google Chromebooks", 247 .matches = { 248 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 249 } 250 }, 251 { 252 .matches = { 253 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 254 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6") 255 }, 256 }, 257 { 258 /* early version of SKU 09C6 */ 259 .matches = { 260 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 261 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983") 262 }, 263 }, 264 {} 265 } 266 }, 267 { 268 .flags = FLAG_SOF, 269 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP, 270 .codec_hid = &essx_83x6, 271 }, 272 { 273 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 274 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP, 275 }, 276 /* Cometlake-H */ 277 { 278 .flags = FLAG_SOF, 279 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H, 280 .dmi_table = (const struct dmi_system_id []) { 281 { 282 .matches = { 283 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 284 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"), 285 }, 286 }, 287 { 288 .matches = { 289 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 290 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"), 291 }, 292 }, 293 {} 294 } 295 }, 296 { 297 .flags = FLAG_SOF, 298 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H, 299 .codec_hid = &essx_83x6, 300 }, 301 { 302 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 303 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H, 304 }, 305 #endif 306 307 /* Icelake */ 308 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE) 309 { 310 .flags = FLAG_SOF, 311 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP, 312 .dmi_table = (const struct dmi_system_id []) { 313 { 314 .ident = "Google Chromebooks", 315 .matches = { 316 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 317 } 318 }, 319 {} 320 } 321 }, 322 { 323 .flags = FLAG_SOF, 324 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP, 325 .codec_hid = &essx_83x6, 326 }, 327 { 328 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 329 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP, 330 }, 331 #endif 332 333 /* Jasper Lake */ 334 #if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE) 335 { 336 .flags = FLAG_SOF, 337 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N, 338 .dmi_table = (const struct dmi_system_id []) { 339 { 340 .ident = "Google Chromebooks", 341 .matches = { 342 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 343 } 344 }, 345 { 346 .ident = "Google firmware", 347 .matches = { 348 DMI_MATCH(DMI_BIOS_VERSION, "Google"), 349 } 350 }, 351 {} 352 } 353 }, 354 { 355 .flags = FLAG_SOF, 356 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N, 357 .codec_hid = &essx_83x6, 358 }, 359 { 360 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, 361 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N, 362 }, 363 #endif 364 365 /* Tigerlake */ 366 #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE) 367 { 368 .flags = FLAG_SOF, 369 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP, 370 .dmi_table = (const struct dmi_system_id []) { 371 { 372 .ident = "Google Chromebooks", 373 .matches = { 374 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 375 } 376 }, 377 { 378 .ident = "UPX-TGL", 379 .matches = { 380 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"), 381 } 382 }, 383 {} 384 } 385 }, 386 { 387 .flags = FLAG_SOF, 388 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP, 389 .codec_hid = &essx_83x6, 390 }, 391 { 392 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 393 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP, 394 }, 395 { 396 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 397 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_H, 398 }, 399 #endif 400 401 /* Elkhart Lake */ 402 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE) 403 { 404 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, 405 .device = PCI_DEVICE_ID_INTEL_HDA_EHL_0, 406 }, 407 { 408 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC, 409 .device = PCI_DEVICE_ID_INTEL_HDA_EHL_3, 410 }, 411 #endif 412 413 /* Alder Lake / Raptor Lake */ 414 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE) 415 { 416 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 417 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_S, 418 }, 419 { 420 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 421 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_S, 422 }, 423 { 424 .flags = FLAG_SOF, 425 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P, 426 .dmi_table = (const struct dmi_system_id []) { 427 { 428 .ident = "Google Chromebooks", 429 .matches = { 430 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 431 } 432 }, 433 {} 434 } 435 }, 436 { 437 .flags = FLAG_SOF, 438 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P, 439 .codec_hid = &essx_83x6, 440 }, 441 { 442 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 443 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P, 444 }, 445 { 446 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 447 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PX, 448 }, 449 { 450 .flags = FLAG_SOF, 451 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS, 452 .codec_hid = &essx_83x6, 453 }, 454 { 455 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 456 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS, 457 }, 458 { 459 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 460 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_M, 461 }, 462 { 463 .flags = FLAG_SOF, 464 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N, 465 .dmi_table = (const struct dmi_system_id []) { 466 { 467 .ident = "Google Chromebooks", 468 .matches = { 469 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 470 } 471 }, 472 {} 473 } 474 }, 475 { 476 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 477 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N, 478 }, 479 { 480 .flags = FLAG_SOF, 481 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0, 482 .dmi_table = (const struct dmi_system_id []) { 483 { 484 .ident = "Google Chromebooks", 485 .matches = { 486 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 487 } 488 }, 489 {} 490 } 491 }, 492 { 493 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 494 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0, 495 }, 496 { 497 .flags = FLAG_SOF, 498 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1, 499 .dmi_table = (const struct dmi_system_id []) { 500 { 501 .ident = "Google Chromebooks", 502 .matches = { 503 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 504 } 505 }, 506 {} 507 } 508 }, 509 { 510 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 511 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1, 512 }, 513 { 514 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 515 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_M, 516 }, 517 { 518 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 519 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_PX, 520 }, 521 #endif 522 523 /* Meteor Lake */ 524 #if IS_ENABLED(CONFIG_SND_SOC_SOF_METEORLAKE) 525 /* Meteorlake-P */ 526 { 527 .flags = FLAG_SOF, 528 .device = PCI_DEVICE_ID_INTEL_HDA_MTL, 529 .dmi_table = (const struct dmi_system_id []) { 530 { 531 .ident = "Google Chromebooks", 532 .matches = { 533 DMI_MATCH(DMI_SYS_VENDOR, "Google"), 534 } 535 }, 536 {} 537 } 538 }, 539 { 540 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 541 .device = PCI_DEVICE_ID_INTEL_HDA_MTL, 542 }, 543 /* ArrowLake-S */ 544 { 545 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 546 .device = PCI_DEVICE_ID_INTEL_HDA_ARL_S, 547 }, 548 /* ArrowLake */ 549 { 550 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 551 .device = PCI_DEVICE_ID_INTEL_HDA_ARL, 552 }, 553 #endif 554 555 /* Lunar Lake */ 556 #if IS_ENABLED(CONFIG_SND_SOC_SOF_LUNARLAKE) 557 /* Lunarlake-P */ 558 { 559 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 560 .device = PCI_DEVICE_ID_INTEL_HDA_LNL_P, 561 }, 562 #endif 563 564 /* Panther Lake, Wildcat Lake */ 565 #if IS_ENABLED(CONFIG_SND_SOC_SOF_PANTHERLAKE) 566 { 567 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 568 .device = PCI_DEVICE_ID_INTEL_HDA_PTL, 569 }, 570 { 571 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 572 .device = PCI_DEVICE_ID_INTEL_HDA_PTL_H, 573 }, 574 { 575 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE, 576 .device = PCI_DEVICE_ID_INTEL_HDA_WCL, 577 }, 578 579 #endif 580 581 }; 582 583 static const struct config_entry *snd_intel_dsp_find_config 584 (struct pci_dev *pci, const struct config_entry *table, u32 len) 585 { 586 u16 device; 587 588 device = pci->device; 589 for (; len > 0; len--, table++) { 590 if (table->device != device) 591 continue; 592 if (table->dmi_table && !dmi_check_system(table->dmi_table)) 593 continue; 594 if (table->codec_hid) { 595 int i; 596 597 for (i = 0; i < table->codec_hid->num_codecs; i++) { 598 struct nhlt_acpi_table *nhlt; 599 bool ssp_found = false; 600 601 if (!acpi_dev_present(table->codec_hid->codecs[i], NULL, -1)) 602 continue; 603 604 nhlt = intel_nhlt_init(&pci->dev); 605 if (!nhlt) { 606 dev_warn(&pci->dev, "%s: NHLT table not found, skipped HID %s\n", 607 __func__, table->codec_hid->codecs[i]); 608 continue; 609 } 610 611 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP) && 612 intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S)) 613 ssp_found = true; 614 615 intel_nhlt_free(nhlt); 616 617 if (ssp_found) 618 break; 619 620 dev_warn(&pci->dev, "%s: no valid SSP found for HID %s, skipped\n", 621 __func__, table->codec_hid->codecs[i]); 622 } 623 if (i == table->codec_hid->num_codecs) 624 continue; 625 } 626 return table; 627 } 628 return NULL; 629 } 630 631 static int snd_intel_dsp_check_dmic(struct pci_dev *pci) 632 { 633 int ret = 0; 634 635 acpi_nhlt_get_gbl_table(); 636 637 if (acpi_nhlt_find_endpoint(ACPI_NHLT_LINKTYPE_PDM, -1, -1, -1)) 638 ret = 1; 639 640 acpi_nhlt_put_gbl_table(); 641 642 return ret; 643 } 644 645 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 646 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci) 647 { 648 struct sdw_intel_acpi_info info; 649 acpi_handle handle; 650 int ret; 651 652 handle = ACPI_HANDLE(&pci->dev); 653 654 ret = sdw_intel_acpi_scan(handle, &info); 655 if (ret < 0) 656 return ret; 657 658 return info.link_mask; 659 } 660 #else 661 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci) 662 { 663 return 0; 664 } 665 #endif 666 667 int snd_intel_dsp_driver_probe(struct pci_dev *pci) 668 { 669 const struct config_entry *cfg; 670 671 /* Intel vendor only */ 672 if (pci->vendor != PCI_VENDOR_ID_INTEL) 673 return SND_INTEL_DSP_DRIVER_ANY; 674 675 /* 676 * Legacy devices don't have a PCI-based DSP and use HDaudio 677 * for HDMI/DP support, ignore kernel parameter 678 */ 679 switch (pci->device) { 680 case PCI_DEVICE_ID_INTEL_HDA_BDW: 681 case PCI_DEVICE_ID_INTEL_HDA_HSW_0: 682 case PCI_DEVICE_ID_INTEL_HDA_HSW_2: 683 case PCI_DEVICE_ID_INTEL_HDA_HSW_3: 684 case PCI_DEVICE_ID_INTEL_HDA_BYT: 685 case PCI_DEVICE_ID_INTEL_HDA_BSW: 686 return SND_INTEL_DSP_DRIVER_ANY; 687 } 688 689 if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST) 690 return dsp_driver; 691 692 /* 693 * detect DSP by checking class/subclass/prog-id information 694 * class=04 subclass 03 prog-if 00: no DSP, use legacy driver 695 * class=04 subclass 01 prog-if 00: DSP is present 696 * (and may be required e.g. for DMIC or SSP support) 697 * class=04 subclass 03 prog-if 80: use DSP or legacy mode 698 */ 699 if (pci->class == 0x040300) 700 return SND_INTEL_DSP_DRIVER_LEGACY; 701 if (pci->class != 0x040100 && pci->class != 0x040380) { 702 dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class); 703 return SND_INTEL_DSP_DRIVER_LEGACY; 704 } 705 706 dev_dbg(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class); 707 708 /* find the configuration for the specific device */ 709 cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table)); 710 if (!cfg) 711 return SND_INTEL_DSP_DRIVER_ANY; 712 713 if (cfg->flags & FLAG_SOF) { 714 if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE && 715 snd_intel_dsp_check_soundwire(pci) > 0) { 716 dev_info_once(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n"); 717 return SND_INTEL_DSP_DRIVER_SOF; 718 } 719 if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC && 720 snd_intel_dsp_check_dmic(pci)) { 721 dev_info_once(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n"); 722 return SND_INTEL_DSP_DRIVER_SOF; 723 } 724 if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE)) 725 return SND_INTEL_DSP_DRIVER_SOF; 726 } 727 728 729 if (cfg->flags & FLAG_SST) { 730 if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) { 731 if (snd_intel_dsp_check_dmic(pci)) { 732 dev_info_once(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n"); 733 return SND_INTEL_DSP_DRIVER_SST; 734 } 735 } else { 736 return SND_INTEL_DSP_DRIVER_SST; 737 } 738 } 739 740 return SND_INTEL_DSP_DRIVER_LEGACY; 741 } 742 EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe); 743 744 /* Should we default to SOF or SST for BYT/CHT ? */ 745 #if IS_ENABLED(CONFIG_SND_INTEL_BYT_PREFER_SOF) || \ 746 !IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) 747 #define FLAG_SST_OR_SOF_BYT FLAG_SOF 748 #else 749 #define FLAG_SST_OR_SOF_BYT FLAG_SST 750 #endif 751 752 /* 753 * configuration table 754 * - the order of similar ACPI ID entries is important! 755 * - the first successful match will win 756 */ 757 static const struct config_entry acpi_config_table[] = { 758 #if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) || \ 759 IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) 760 /* BayTrail */ 761 { 762 .flags = FLAG_SST_OR_SOF_BYT, 763 .acpi_hid = "LPE0F28", 764 }, 765 { 766 .flags = FLAG_SST_OR_SOF_BYT, 767 .acpi_hid = "80860F28", 768 }, 769 /* CherryTrail */ 770 { 771 .flags = FLAG_SST_OR_SOF_BYT, 772 .acpi_hid = "808622A8", 773 }, 774 #endif 775 /* Broadwell */ 776 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT) 777 { 778 .flags = FLAG_SST, 779 .acpi_hid = "INT3438" 780 }, 781 #endif 782 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL) 783 { 784 .flags = FLAG_SOF, 785 .acpi_hid = "INT3438" 786 }, 787 #endif 788 /* Haswell - not supported by SOF but added for consistency */ 789 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT) 790 { 791 .flags = FLAG_SST, 792 .acpi_hid = "INT33C8" 793 }, 794 #endif 795 }; 796 797 static const struct config_entry *snd_intel_acpi_dsp_find_config(const u8 acpi_hid[ACPI_ID_LEN], 798 const struct config_entry *table, 799 u32 len) 800 { 801 for (; len > 0; len--, table++) { 802 if (memcmp(table->acpi_hid, acpi_hid, ACPI_ID_LEN)) 803 continue; 804 if (table->dmi_table && !dmi_check_system(table->dmi_table)) 805 continue; 806 return table; 807 } 808 return NULL; 809 } 810 811 int snd_intel_acpi_dsp_driver_probe(struct device *dev, const u8 acpi_hid[ACPI_ID_LEN]) 812 { 813 const struct config_entry *cfg; 814 815 if (dsp_driver > SND_INTEL_DSP_DRIVER_LEGACY && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST) 816 return dsp_driver; 817 818 if (dsp_driver == SND_INTEL_DSP_DRIVER_LEGACY) { 819 dev_warn(dev, "dsp_driver parameter %d not supported, using automatic detection\n", 820 SND_INTEL_DSP_DRIVER_LEGACY); 821 } 822 823 /* find the configuration for the specific device */ 824 cfg = snd_intel_acpi_dsp_find_config(acpi_hid, acpi_config_table, 825 ARRAY_SIZE(acpi_config_table)); 826 if (!cfg) 827 return SND_INTEL_DSP_DRIVER_ANY; 828 829 if (cfg->flags & FLAG_SST) 830 return SND_INTEL_DSP_DRIVER_SST; 831 832 if (cfg->flags & FLAG_SOF) 833 return SND_INTEL_DSP_DRIVER_SOF; 834 835 return SND_INTEL_DSP_DRIVER_SST; 836 } 837 EXPORT_SYMBOL_GPL(snd_intel_acpi_dsp_driver_probe); 838 839 MODULE_LICENSE("GPL v2"); 840 MODULE_DESCRIPTION("Intel DSP config driver"); 841 MODULE_IMPORT_NS("SND_INTEL_SOUNDWIRE_ACPI"); 842