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         const struct dmi_system_id *dmi_table;
  33 };
  34
  35 /*
  36  * configuration table
  37  * - the order of similar PCI ID entries is important!
  38  * - the first successful match will win
  39  */
  40 static const struct config_entry config_table[] = {
  41 /* Merrifield */
  42 #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
  43         {
  44                 .flags = FLAG_SOF,
  45                 .device = 0x119a,
  46         },
  47 #endif
  48 /* Broxton-T */
  49 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
  50         {
  51                 .flags = FLAG_SOF,
  52                 .device = 0x1a98,
  53         },
  54 #endif
  55 /*
  56  * Apollolake (Broxton-P)
  57  * the legacy HDaudio driver is used except on Up Squared (SOF) and
  58  * Chromebooks (SST)
  59  */
  60 #if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
  61         {
  62                 .flags = FLAG_SOF,
  63                 .device = 0x5a98,
  64                 .dmi_table = (const struct dmi_system_id []) {
  65                         {
  66                                 .ident = "Up Squared",
  67                                 .matches = {
  68                                         DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
  69                                         DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"),
  70                                 }
  71                         },
  72                         {}
  73                 }
  74         },
  75 #endif
  76 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL)
  77         {
  78                 .flags = FLAG_SST,
  79                 .device = 0x5a98,
  80                 .dmi_table = (const struct dmi_system_id []) {
  81                         {
  82                                 .ident = "Google Chromebooks",
  83                                 .matches = {
  84                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
  85                                 }
  86                         },
  87                         {}
  88                 }
  89         },
  90 #endif
  91 /*
  92  * Skylake and Kabylake use legacy HDaudio driver except for Google
  93  * Chromebooks (SST)
  94  */
  95
  96 /* Sunrise Point-LP */
  97 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKL)
  98         {
  99                 .flags = FLAG_SST,
 100                 .device = 0x9d70,
 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 | FLAG_SST_ONLY_IF_DMIC,
 113                 .device = 0x9d70,
 114         },
 115 #endif
 116 /* Kabylake-LP */
 117 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL)
 118         {
 119                 .flags = FLAG_SST,
 120                 .device = 0x9d71,
 121                 .dmi_table = (const struct dmi_system_id []) {
 122                         {
 123                                 .ident = "Google Chromebooks",
 124                                 .matches = {
 125                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 126                                 }
 127                         },
 128                         {}
 129                 }
 130         },
 131         {
 132                 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
 133                 .device = 0x9d71,
 134         },
 135 #endif
 136
 137 /*
 138  * Geminilake uses legacy HDaudio driver except for Google
 139  * Chromebooks
 140  */
 141 /* Geminilake */
 142 #if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
 143         {
 144                 .flags = FLAG_SOF,
 145                 .device = 0x3198,
 146                 .dmi_table = (const struct dmi_system_id []) {
 147                         {
 148                                 .ident = "Google Chromebooks",
 149                                 .matches = {
 150                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 151                                 }
 152                         },
 153                         {}
 154                 }
 155         },
 156 #endif
 157
 158 /*
 159  * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake use legacy
 160  * HDaudio driver except for Google Chromebooks and when DMICs are
 161  * present. Two cases are required since Coreboot does not expose NHLT
 162  * tables.
 163  *
 164  * When the Chromebook quirk is not present, it's based on information
 165  * that no such device exists. When the quirk is present, it could be
 166  * either based on product information or a placeholder.
 167  */
 168
 169 /* Cannonlake */
 170 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
 171         {
 172                 .flags = FLAG_SOF,
 173                 .device = 0x9dc8,
 174                 .dmi_table = (const struct dmi_system_id []) {
 175                         {
 176                                 .ident = "Google Chromebooks",
 177                                 .matches = {
 178                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 179                                 }
 180                         },
 181                         {}
 182                 }
 183         },
 184         {
 185                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 186                 .device = 0x9dc8,
 187         },
 188 #endif
 189
 190 /* Coffelake */
 191 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
 192         {
 193                 .flags = FLAG_SOF,
 194                 .device = 0xa348,
 195                 .dmi_table = (const struct dmi_system_id []) {
 196                         {
 197                                 .ident = "Google Chromebooks",
 198                                 .matches = {
 199                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 200                                 }
 201                         },
 202                         {}
 203                 }
 204         },
 205         {
 206                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 207                 .device = 0xa348,
 208         },
 209 #endif
 210
 211 #if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
 212 /* Cometlake-LP */
 213         {
 214                 .flags = FLAG_SOF,
 215                 .device = 0x02c8,
 216                 .dmi_table = (const struct dmi_system_id []) {
 217                         {
 218                                 .ident = "Google Chromebooks",
 219                                 .matches = {
 220                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 221                                 }
 222                         },
 223                         {
 224                                 .matches = {
 225                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 226                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
 227                                 },
 228                         },
 229                         {
 230                                 /* early version of SKU 09C6 */
 231                                 .matches = {
 232                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 233                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
 234                                 },
 235                         },
 236                         {}
 237                 }
 238         },
 239         {
 240                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 241                 .device = 0x02c8,
 242         },
 243 /* Cometlake-H */
 244         {
 245                 .flags = FLAG_SOF,
 246                 .device = 0x06c8,
 247                 .dmi_table = (const struct dmi_system_id []) {
 248                         {
 249                                 .matches = {
 250                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 251                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
 252                                 },
 253                         },
 254                         {
 255                                 .matches = {
 256                                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
 257                                         DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
 258                                 },
 259                         },
 260                         {}
 261                 }
 262         },
 263         {
 264                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 265                 .device = 0x06c8,
 266         },
 267 #endif
 268
 269 /* Icelake */
 270 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
 271         {
 272                 .flags = FLAG_SOF,
 273                 .device = 0x34c8,
 274                 .dmi_table = (const struct dmi_system_id []) {
 275                         {
 276                                 .ident = "Google Chromebooks",
 277                                 .matches = {
 278                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 279                                 }
 280                         },
 281                         {}
 282                 }
 283         },
 284         {
 285                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 286                 .device = 0x34c8,
 287         },
 288 #endif
 289
 290 /* Tigerlake */
 291 #if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
 292         {
 293                 .flags = FLAG_SOF,
 294                 .device = 0xa0c8,
 295                 .dmi_table = (const struct dmi_system_id []) {
 296                         {
 297                                 .ident = "Google Chromebooks",
 298                                 .matches = {
 299                                         DMI_MATCH(DMI_SYS_VENDOR, "Google"),
 300                                 }
 301                         },
 302                         {}
 303                 }
 304         },
 305         {
 306                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 307                 .device = 0xa0c8,
 308         },
 309 #endif
 310
 311 /* Elkhart Lake */
 312 #if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
 313         {
 314                 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
 315                 .device = 0x4b55,
 316         },
 317 #endif
 318
 319 };
 320
 321 static const struct config_entry *snd_intel_dsp_find_config
 322                 (struct pci_dev *pci, const struct config_entry *table, u32 len)
 323 {
 324         u16 device;
 325
 326         device = pci->device;
 327         for (; len > 0; len--, table++) {
 328                 if (table->device != device)
 329                         continue;
 330                 if (table->dmi_table && !dmi_check_system(table->dmi_table))
 331                         continue;
 332                 return table;
 333         }
 334         return NULL;
 335 }
 336
 337 static int snd_intel_dsp_check_dmic(struct pci_dev *pci)
 338 {
 339         struct nhlt_acpi_table *nhlt;
 340         int ret = 0;
 341
 342         nhlt = intel_nhlt_init(&pci->dev);
 343         if (nhlt) {
 344                 if (intel_nhlt_get_dmic_geo(&pci->dev, nhlt))
 345                         ret = 1;
 346                 intel_nhlt_free(nhlt);
 347         }
 348         return ret;
 349 }
 350
 351 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
 352 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
 353 {
 354         struct sdw_intel_acpi_info info;
 355         acpi_handle handle;
 356         int ret;
 357
 358         handle = ACPI_HANDLE(&pci->dev);
 359
 360         ret = sdw_intel_acpi_scan(handle, &info);
 361         if (ret < 0)
 362                 return ret;
 363
 364         return info.link_mask;
 365 }
 366 #else
 367 static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
 368 {
 369         return 0;
 370 }
 371 #endif
 372
 373 int snd_intel_dsp_driver_probe(struct pci_dev *pci)
 374 {
 375         const struct config_entry *cfg;
 376
 377         /* Intel vendor only */
 378         if (pci->vendor != 0x8086)
 379                 return SND_INTEL_DSP_DRIVER_ANY;
 380
 381         if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
 382                 return dsp_driver;
 383
 384         /*
 385          * detect DSP by checking class/subclass/prog-id information
 386          * class=04 subclass 03 prog-if 00: no DSP, use legacy driver
 387          * class=04 subclass 01 prog-if 00: DSP is present
 388          *  (and may be required e.g. for DMIC or SSP support)
 389          * class=04 subclass 03 prog-if 80: use DSP or legacy mode
 390          */
 391         if (pci->class == 0x040300)
 392                 return SND_INTEL_DSP_DRIVER_LEGACY;
 393         if (pci->class != 0x040100 && pci->class != 0x040380) {
 394                 dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDA legacy driver\n", pci->class);
 395                 return SND_INTEL_DSP_DRIVER_LEGACY;
 396         }
 397
 398         dev_info(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class);
 399
 400         /* find the configuration for the specific device */
 401         cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table));
 402         if (!cfg)
 403                 return SND_INTEL_DSP_DRIVER_ANY;
 404
 405         if (cfg->flags & FLAG_SOF) {
 406                 if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE &&
 407                     snd_intel_dsp_check_soundwire(pci) > 0) {
 408                         dev_info(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n");
 409                         return SND_INTEL_DSP_DRIVER_SOF;
 410                 }
 411                 if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC &&
 412                     snd_intel_dsp_check_dmic(pci)) {
 413                         dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n");
 414                         return SND_INTEL_DSP_DRIVER_SOF;
 415                 }
 416                 if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE))
 417                         return SND_INTEL_DSP_DRIVER_SOF;
 418         }
 419
 420
 421         if (cfg->flags & FLAG_SST) {
 422                 if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) {
 423                         if (snd_intel_dsp_check_dmic(pci)) {
 424                                 dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n");
 425                                 return SND_INTEL_DSP_DRIVER_SST;
 426                         }
 427                 } else {
 428                         return SND_INTEL_DSP_DRIVER_SST;
 429                 }
 430         }
 431
 432         return SND_INTEL_DSP_DRIVER_LEGACY;
 433 }
 434 EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe);
 435
 436 MODULE_LICENSE("GPL v2");
 437 MODULE_DESCRIPTION("Intel DSP config driver");
 438 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);