drivers/input/serio/i8042-acpipnpio.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #ifndef _I8042_ACPIPNPIO_H
   3 #define _I8042_ACPIPNPIO_H
   4
   5
   6 #ifdef CONFIG_X86
   7 #include <asm/x86_init.h>
   8 #endif
   9
  10 /*
  11  * Names.
  12  */
  13
  14 #define I8042_KBD_PHYS_DESC "isa0060/serio0"
  15 #define I8042_AUX_PHYS_DESC "isa0060/serio1"
  16 #define I8042_MUX_PHYS_DESC "isa0060/serio%d"
  17
  18 /*
  19  * IRQs.
  20  */
  21
  22 #if defined(__ia64__)
  23 # define I8042_MAP_IRQ(x)       isa_irq_to_vector((x))
  24 #else
  25 # define I8042_MAP_IRQ(x)       (x)
  26 #endif
  27
  28 #define I8042_KBD_IRQ   i8042_kbd_irq
  29 #define I8042_AUX_IRQ   i8042_aux_irq
  30
  31 static int i8042_kbd_irq;
  32 static int i8042_aux_irq;
  33
  34 /*
  35  * Register numbers.
  36  */
  37
  38 #define I8042_COMMAND_REG       i8042_command_reg
  39 #define I8042_STATUS_REG        i8042_command_reg
  40 #define I8042_DATA_REG          i8042_data_reg
  41
  42 static int i8042_command_reg = 0x64;
  43 static int i8042_data_reg = 0x60;
  44
  45
  46 static inline int i8042_read_data(void)
  47 {
  48         return inb(I8042_DATA_REG);
  49 }
  50
  51 static inline int i8042_read_status(void)
  52 {
  53         return inb(I8042_STATUS_REG);
  54 }
  55
  56 static inline void i8042_write_data(int val)
  57 {
  58         outb(val, I8042_DATA_REG);
  59 }
  60
  61 static inline void i8042_write_command(int val)
  62 {
  63         outb(val, I8042_COMMAND_REG);
  64 }
  65
  66 #ifdef CONFIG_X86
  67
  68 #include <linux/dmi.h>
  69
  70 #define SERIO_QUIRK_NOKBD               BIT(0)
  71 #define SERIO_QUIRK_NOAUX               BIT(1)
  72 #define SERIO_QUIRK_NOMUX               BIT(2)
  73 #define SERIO_QUIRK_FORCEMUX            BIT(3)
  74 #define SERIO_QUIRK_UNLOCK              BIT(4)
  75 #define SERIO_QUIRK_PROBE_DEFER         BIT(5)
  76 #define SERIO_QUIRK_RESET_ALWAYS        BIT(6)
  77 #define SERIO_QUIRK_RESET_NEVER         BIT(7)
  78 #define SERIO_QUIRK_DIECT               BIT(8)
  79 #define SERIO_QUIRK_DUMBKBD             BIT(9)
  80 #define SERIO_QUIRK_NOLOOP              BIT(10)
  81 #define SERIO_QUIRK_NOTIMEOUT           BIT(11)
  82 #define SERIO_QUIRK_KBDRESET            BIT(12)
  83 #define SERIO_QUIRK_DRITEK              BIT(13)
  84 #define SERIO_QUIRK_NOPNP               BIT(14)
  85
  86 /* Quirk table for different mainboards. Options similar or identical to i8042
  87  * module parameters.
  88  * ORDERING IS IMPORTANT! The first match will be apllied and the rest ignored.
  89  * This allows entries to overwrite vendor wide quirks on a per device basis.
  90  * Where this is irrelevant, entries are sorted case sensitive by DMI_SYS_VENDOR
  91  * and/or DMI_BOARD_VENDOR to make it easier to avoid dublicate entries.
  92  */
  93 static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
  94         {
  95                 .matches = {
  96                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
  97                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
  98                 },
  99                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 100         },
 101         {
 102                 .matches = {
 103                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 104                         DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
 105                 },
 106                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 107         },
 108         {
 109                 /* Asus X450LCP */
 110                 .matches = {
 111                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 112                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 113                 },
 114                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_NEVER)
 115         },
 116         {
 117                 /* ASUS ZenBook UX425UA */
 118                 .matches = {
 119                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 120                         DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"),
 121                 },
 122                 .driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
 123         },
 124         {
 125                 /* ASUS ZenBook UM325UA */
 126                 .matches = {
 127                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 128                         DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"),
 129                 },
 130                 .driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
 131         },
 132         /*
 133          * On some Asus laptops, just running self tests cause problems.
 134          */
 135         {
 136                 .matches = {
 137                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 138                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 139                 },
 140                 .driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
 141         },
 142         {
 143                 .matches = {
 144                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 145                         DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
 146                 },
 147                 .driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
 148         },
 149         {
 150                 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
 151                 .matches = {
 152                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
 153                         DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
 154                         DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
 155                 },
 156                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 157         },
 158         {
 159                 /* ASUS G1S */
 160                 .matches = {
 161                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
 162                         DMI_MATCH(DMI_BOARD_NAME, "G1S"),
 163                         DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
 164                 },
 165                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 166         },
 167         {
 168                 .matches = {
 169                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 170                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 171                 },
 172                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 173         },
 174         {
 175                 /* Acer Aspire 5710 */
 176                 .matches = {
 177                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 178                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
 179                 },
 180                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 181         },
 182         {
 183                 /* Acer Aspire 7738 */
 184                 .matches = {
 185                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 186                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
 187                 },
 188                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 189         },
 190         {
 191                 /* Acer Aspire 5536 */
 192                 .matches = {
 193                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 194                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
 195                         DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
 196                 },
 197                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 198         },
 199         {
 200                 /*
 201                  * Acer Aspire 5738z
 202                  * Touchpad stops working in mux mode when dis- + re-enabled
 203                  * with the touchpad enable/disable toggle hotkey
 204                  */
 205                 .matches = {
 206                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 207                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
 208                 },
 209                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 210         },
 211         {
 212                 /* Acer Aspire One 150 */
 213                 .matches = {
 214                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 215                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
 216                 },
 217                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 218         },
 219         {
 220                 .matches = {
 221                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 222                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
 223                 },
 224                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 225         },
 226         {
 227                 .matches = {
 228                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 229                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
 230                 },
 231                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 232         },
 233         {
 234                 .matches = {
 235                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 236                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
 237                 },
 238                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 239         },
 240         {
 241                 .matches = {
 242                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 243                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
 244                 },
 245                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 246         },
 247         {
 248                 .matches = {
 249                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 250                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
 251                 },
 252                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 253         },
 254         {
 255                 .matches = {
 256                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 257                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
 258                 },
 259                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 260         },
 261         {
 262                 .matches = {
 263                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 264                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
 265                 },
 266                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 267         },
 268         /*
 269          * Some Wistron based laptops need us to explicitly enable the 'Dritek
 270          * keyboard extension' to make their extra keys start generating scancodes.
 271          * Originally, this was just confined to older laptops, but a few Acer laptops
 272          * have turned up in 2007 that also need this again.
 273          */
 274         {
 275                 /* Acer Aspire 5100 */
 276                 .matches = {
 277                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 278                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 279                 },
 280                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 281         },
 282         {
 283                 /* Acer Aspire 5610 */
 284                 .matches = {
 285                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 286                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 287                 },
 288                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 289         },
 290         {
 291                 /* Acer Aspire 5630 */
 292                 .matches = {
 293                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 294                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 295                 },
 296                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 297         },
 298         {
 299                 /* Acer Aspire 5650 */
 300                 .matches = {
 301                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 302                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 303                 },
 304                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 305         },
 306         {
 307                 /* Acer Aspire 5680 */
 308                 .matches = {
 309                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 310                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 311                 },
 312                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 313         },
 314         {
 315                 /* Acer Aspire 5720 */
 316                 .matches = {
 317                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 318                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 319                 },
 320                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 321         },
 322         {
 323                 /* Acer Aspire 9110 */
 324                 .matches = {
 325                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 326                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 327                 },
 328                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 329         },
 330         {
 331                 /* Acer TravelMate 660 */
 332                 .matches = {
 333                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 334                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 335                 },
 336                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 337         },
 338         {
 339                 /* Acer TravelMate 2490 */
 340                 .matches = {
 341                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 342                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 343                 },
 344                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 345         },
 346         {
 347                 /* Acer TravelMate 4280 */
 348                 .matches = {
 349                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 350                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 351                 },
 352                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 353         },
 354         {
 355                 /* Acer TravelMate P459-G2-M */
 356                 .matches = {
 357                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 358                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate P459-G2-M"),
 359                 },
 360                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 361         },
 362         {
 363                 /* Amoi M636/A737 */
 364                 .matches = {
 365                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 366                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 367                 },
 368                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 369         },
 370         {
 371                 .matches = {
 372                         DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
 373                         DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
 374                 },
 375                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 376         },
 377         {
 378                 /* Compal HEL80I */
 379                 .matches = {
 380                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 381                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 382                 },
 383                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 384         },
 385         {
 386                 .matches = {
 387                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 388                         DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
 389                         DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
 390                 },
 391                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 392         },
 393         {
 394                 .matches = {
 395                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 396                         DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
 397                         DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
 398                 },
 399                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 400         },
 401         {
 402                 /* Advent 4211 */
 403                 .matches = {
 404                         DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
 405                         DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
 406                 },
 407                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 408         },
 409         {
 410                 /* Dell Embedded Box PC 3000 */
 411                 .matches = {
 412                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 413                         DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
 414                 },
 415                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 416         },
 417         {
 418                 /* Dell XPS M1530 */
 419                 .matches = {
 420                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 421                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 422                 },
 423                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 424         },
 425         {
 426                 /* Dell Vostro 1510 */
 427                 .matches = {
 428                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 429                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 430                 },
 431                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 432         },
 433         {
 434                 /* Dell Vostro V13 */
 435                 .matches = {
 436                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 437                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 438                 },
 439                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 440         },
 441         {
 442                 /* Dell Vostro 1320 */
 443                 .matches = {
 444                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 445                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
 446                 },
 447                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 448         },
 449         {
 450                 /* Dell Vostro 1520 */
 451                 .matches = {
 452                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 453                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
 454                 },
 455                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 456         },
 457         {
 458                 /* Dell Vostro 1720 */
 459                 .matches = {
 460                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 461                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
 462                 },
 463                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 464         },
 465         {
 466                 /* Entroware Proteus */
 467                 .matches = {
 468                         DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
 469                         DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
 470                         DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
 471                 },
 472                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS)
 473         },
 474         /*
 475          * Some Fujitsu notebooks are having trouble with touchpads if
 476          * active multiplexing mode is activated. Luckily they don't have
 477          * external PS/2 ports so we can safely disable it.
 478          * ... apparently some Toshibas don't like MUX mode either and
 479          * die horrible death on reboot.
 480          */
 481         {
 482                 /* Fujitsu Lifebook P7010/P7010D */
 483                 .matches = {
 484                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 485                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 486                 },
 487                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 488         },
 489         {
 490                 /* Fujitsu Lifebook P5020D */
 491                 .matches = {
 492                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 493                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 494                 },
 495                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 496         },
 497         {
 498                 /* Fujitsu Lifebook S2000 */
 499                 .matches = {
 500                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 501                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 502                 },
 503                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 504         },
 505         {
 506                 /* Fujitsu Lifebook S6230 */
 507                 .matches = {
 508                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 509                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 510                 },
 511                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 512         },
 513         {
 514                 /* Fujitsu Lifebook T725 laptop */
 515                 .matches = {
 516                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 517                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
 518                 },
 519                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 520         },
 521         {
 522                 /* Fujitsu Lifebook U745 */
 523                 .matches = {
 524                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 525                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
 526                 },
 527                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 528         },
 529         {
 530                 /* Fujitsu T70H */
 531                 .matches = {
 532                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 533                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 534                 },
 535                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 536         },
 537         {
 538                 /* Fujitsu A544 laptop */
 539                 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 540                 .matches = {
 541                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 542                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
 543                 },
 544                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 545         },
 546         {
 547                 /* Fujitsu AH544 laptop */
 548                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 549                 .matches = {
 550                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 551                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
 552                 },
 553                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 554         },
 555         {
 556                 /* Fujitsu U574 laptop */
 557                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 558                 .matches = {
 559                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 560                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
 561                 },
 562                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 563         },
 564         {
 565                 /* Fujitsu UH554 laptop */
 566                 .matches = {
 567                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 568                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
 569                 },
 570                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 571         },
 572         {
 573                 /* Fujitsu Lifebook P7010 */
 574                 .matches = {
 575                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 576                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 577                 },
 578                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 579         },
 580         {
 581                 /* Fujitsu-Siemens Lifebook T3010 */
 582                 .matches = {
 583                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 584                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 585                 },
 586                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 587         },
 588         {
 589                 /* Fujitsu-Siemens Lifebook E4010 */
 590                 .matches = {
 591                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 592                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 593                 },
 594                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 595         },
 596         {
 597                 /* Fujitsu-Siemens Amilo Pro 2010 */
 598                 .matches = {
 599                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 600                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 601                 },
 602                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 603         },
 604         {
 605                 /* Fujitsu-Siemens Amilo Pro 2030 */
 606                 .matches = {
 607                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 608                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 609                 },
 610                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 611         },
 612         {
 613                 /* Fujitsu Lifebook A574/H */
 614                 .matches = {
 615                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 616                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVA0501PZ"),
 617                 },
 618                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 619         },
 620         {
 621                 /* Fujitsu Lifebook E5411 */
 622                 .matches = {
 623                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU CLIENT COMPUTING LIMITED"),
 624                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E5411"),
 625                 },
 626                 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
 627         },
 628         {
 629                 /* Fujitsu Lifebook U728 */
 630                 .matches = {
 631                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 632                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U728"),
 633                 },
 634                 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
 635         },
 636         {
 637                 /* Gigabyte M912 */
 638                 .matches = {
 639                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 640                         DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
 641                         DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
 642                 },
 643                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 644         },
 645         {
 646                 /* Gigabyte Spring Peak - defines wrong chassis type */
 647                 .matches = {
 648                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 649                         DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
 650                 },
 651                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 652         },
 653         {
 654                 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
 655                 .matches = {
 656                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 657                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
 658                 },
 659                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 660         },
 661         {
 662                 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
 663                 .matches = {
 664                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 665                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
 666                 },
 667                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 668         },
 669         /*
 670          * Some laptops need keyboard reset before probing for the trackpad to get
 671          * it detected, initialised & finally work.
 672          */
 673         {
 674                 /* Gigabyte P35 v2 - Elantech touchpad */
 675                 .matches = {
 676                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 677                         DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
 678                 },
 679                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 680         },
 681                 {
 682                 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
 683                 .matches = {
 684                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 685                         DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
 686                 },
 687                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 688         },
 689         {
 690                 /* Gigabyte P34 - Elantech touchpad */
 691                 .matches = {
 692                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 693                         DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 694                 },
 695                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 696         },
 697         {
 698                 /* Gigabyte P57 - Elantech touchpad */
 699                 .matches = {
 700                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 701                         DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
 702                 },
 703                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 704         },
 705         {
 706                 /* Gericom Bellagio */
 707                 .matches = {
 708                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 709                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 710                 },
 711                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 712         },
 713         {
 714                 /* Gigabyte M1022M netbook */
 715                 .matches = {
 716                         DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
 717                         DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
 718                         DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
 719                 },
 720                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 721         },
 722         {
 723                 .matches = {
 724                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 725                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
 726                         DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
 727                 },
 728                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 729         },
 730         {
 731                 /*
 732                  * HP Pavilion DV4017EA -
 733                  * errors on MUX ports are reported without raising AUXDATA
 734                  * causing "spurious NAK" messages.
 735                  */
 736                 .matches = {
 737                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 738                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 739                 },
 740                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 741         },
 742         {
 743                 /*
 744                  * HP Pavilion ZT1000 -
 745                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 746                  */
 747                 .matches = {
 748                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 749                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 750                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 751                 },
 752                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 753         },
 754         {
 755                 /*
 756                  * HP Pavilion DV4270ca -
 757                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 758                  */
 759                 .matches = {
 760                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 761                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 762                 },
 763                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 764         },
 765         {
 766                 /* Newer HP Pavilion dv4 models */
 767                 .matches = {
 768                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 769                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 770                 },
 771                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 772         },
 773         {
 774                 /* IBM 2656 */
 775                 .matches = {
 776                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 777                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 778                 },
 779                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 780         },
 781         {
 782                 /* Avatar AVIU-145A6 */
 783                 .matches = {
 784                         DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
 785                         DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
 786                 },
 787                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 788         },
 789         {
 790                 /* Intel MBO Desktop D845PESV */
 791                 .matches = {
 792                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 793                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 794                 },
 795                 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
 796         },
 797         {
 798                 /*
 799                  * Intel NUC D54250WYK - does not have i8042 controller but
 800                  * declares PS/2 devices in DSDT.
 801                  */
 802                 .matches = {
 803                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 804                         DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
 805                 },
 806                 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
 807         },
 808         {
 809                 /* Lenovo 3000 n100 */
 810                 .matches = {
 811                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 812                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 813                 },
 814                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 815         },
 816         {
 817                 /* Lenovo XiaoXin Air 12 */
 818                 .matches = {
 819                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 820                         DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
 821                 },
 822                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 823         },
 824         {
 825                 /* Lenovo LaVie Z */
 826                 .matches = {
 827                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 828                         DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
 829                 },
 830                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 831         },
 832         {
 833                 /* Lenovo Ideapad U455 */
 834                 .matches = {
 835                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 836                         DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
 837                 },
 838                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 839         },
 840         {
 841                 /* Lenovo ThinkPad L460 */
 842                 .matches = {
 843                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 844                         DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
 845                 },
 846                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 847         },
 848         {
 849                 /* Lenovo ThinkPad Twist S230u */
 850                 .matches = {
 851                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 852                         DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
 853                 },
 854                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 855         },
 856         {
 857                 /* LG Electronics X110 */
 858                 .matches = {
 859                         DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
 860                         DMI_MATCH(DMI_BOARD_NAME, "X110"),
 861                 },
 862                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 863         },
 864         {
 865                 /* Medion Akoya Mini E1210 */
 866                 .matches = {
 867                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 868                         DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
 869                 },
 870                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 871         },
 872         {
 873                 /* Medion Akoya E1222 */
 874                 .matches = {
 875                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 876                         DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
 877                 },
 878                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 879         },
 880         {
 881                 /* MSI Wind U-100 */
 882                 .matches = {
 883                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 884                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 885                 },
 886                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOPNP)
 887         },
 888         {
 889                 /*
 890                  * No data is coming from the touchscreen unless KBC
 891                  * is in legacy mode.
 892                  */
 893                 /* Panasonic CF-29 */
 894                 .matches = {
 895                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 896                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 897                 },
 898                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 899         },
 900         {
 901                 /* Medion Akoya E7225 */
 902                 .matches = {
 903                         DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
 904                         DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
 905                         DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
 906                 },
 907                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 908         },
 909         {
 910                 /* Microsoft Virtual Machine */
 911                 .matches = {
 912                         DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 913                         DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
 914                         DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 915                 },
 916                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 917         },
 918         {
 919                 /* Medion MAM 2070 */
 920                 .matches = {
 921                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 922                         DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
 923                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 924                 },
 925                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 926         },
 927         {
 928                 /* TUXEDO BU1406 */
 929                 .matches = {
 930                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 931                         DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
 932                 },
 933                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 934         },
 935         {
 936                 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
 937                 .matches = {
 938                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 939                         DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
 940                 },
 941                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 942         },
 943         {
 944                 /* OQO Model 01 */
 945                 .matches = {
 946                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
 947                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
 948                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
 949                 },
 950                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 951         },
 952         {
 953                 .matches = {
 954                         DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
 955                         DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
 956                 },
 957                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 958         },
 959         {
 960                 /* Acer Aspire 5 A515 */
 961                 .matches = {
 962                         DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
 963                         DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
 964                 },
 965                 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
 966         },
 967         {
 968                 /* ULI EV4873 - AUX LOOP does not work properly */
 969                 .matches = {
 970                         DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
 971                         DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
 972                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 973                 },
 974                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 975         },
 976         {
 977                 /*
 978                  * Arima-Rioworks HDAMB -
 979                  * AUX LOOP command does not raise AUX IRQ
 980                  */
 981                 .matches = {
 982                         DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
 983                         DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
 984                         DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
 985                 },
 986                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 987         },
 988         {
 989                 /* Sharp Actius MM20 */
 990                 .matches = {
 991                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 992                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 993                 },
 994                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 995         },
 996         {
 997                 /*
 998                  * Sony Vaio FZ-240E -
 999                  * reset and GET ID commands issued via KBD port are
1000                  * sometimes being delivered to AUX3.
1001                  */
1002                 .matches = {
1003                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1004                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
1005                 },
1006                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1007         },
1008         {
1009                 /*
1010                  * Most (all?) VAIOs do not have external PS/2 ports nor
1011                  * they implement active multiplexing properly, and
1012                  * MUX discovery usually messes up keyboard/touchpad.
1013                  */
1014                 .matches = {
1015                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1016                         DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
1017                 },
1018                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1019         },
1020         {
1021                 /* Sony Vaio FS-115b */
1022                 .matches = {
1023                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1024                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
1025                 },
1026                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1027         },
1028         {
1029                 /*
1030                  * Sony Vaio VGN-CS series require MUX or the touch sensor
1031                  * buttons will disturb touchpad operation
1032                  */
1033                 .matches = {
1034                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1035                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
1036                 },
1037                 .driver_data = (void *)(SERIO_QUIRK_FORCEMUX)
1038         },
1039         {
1040                 .matches = {
1041                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1042                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
1043                 },
1044                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1045         },
1046         {
1047                 .matches = {
1048                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1049                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
1050                 },
1051                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1052         },
1053         {
1054                 .matches = {
1055                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1056                         DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
1057                 },
1058                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1059         },
1060         /*
1061          * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1062          * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1063          * none of them have an external PS/2 port so this can safely be set for
1064          * all of them. These two are based on a Clevo design, but have the
1065          * board_name changed.
1066          */
1067         {
1068                 .matches = {
1069                         DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1070                         DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
1071                 },
1072                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1073                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1074         },
1075         {
1076                 .matches = {
1077                         DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1078                         DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
1079                 },
1080                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1081                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1082         },
1083         {
1084                 /* Mivvy M310 */
1085                 .matches = {
1086                         DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
1087                         DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
1088                 },
1089                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
1090         },
1091         /*
1092          * Some laptops need keyboard reset before probing for the trackpad to get
1093          * it detected, initialised & finally work.
1094          */
1095         {
1096                 /* Schenker XMG C504 - Elantech touchpad */
1097                 .matches = {
1098                         DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
1099                         DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
1100                 },
1101                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
1102         },
1103         {
1104                 /* Blue FB5601 */
1105                 .matches = {
1106                         DMI_MATCH(DMI_SYS_VENDOR, "blue"),
1107                         DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
1108                         DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
1109                 },
1110                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
1111         },
1112         /*
1113          * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1114          * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1115          * none of them have an external PS/2 port so this can safely be set for
1116          * all of them.
1117          * Clevo barebones come with board_vendor and/or system_vendor set to
1118          * either the very generic string "Notebook" and/or a different value
1119          * for each individual reseller. The only somewhat universal way to
1120          * identify them is by board_name.
1121          */
1122         {
1123                 .matches = {
1124                         DMI_MATCH(DMI_BOARD_NAME, "LAPQC71A"),
1125                 },
1126                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1127                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1128         },
1129         {
1130                 .matches = {
1131                         DMI_MATCH(DMI_BOARD_NAME, "LAPQC71B"),
1132                 },
1133                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1134                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1135         },
1136         {
1137                 .matches = {
1138                         DMI_MATCH(DMI_BOARD_NAME, "N140CU"),
1139                 },
1140                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1141                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1142         },
1143         {
1144                 .matches = {
1145                         DMI_MATCH(DMI_BOARD_NAME, "N141CU"),
1146                 },
1147                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1148                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1149         },
1150         {
1151                 .matches = {
1152                         DMI_MATCH(DMI_BOARD_NAME, "NH5xAx"),
1153                 },
1154                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1155                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1156         },
1157         {
1158                 .matches = {
1159                         DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
1160                 },
1161                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1162                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1163         },
1164         /*
1165          * At least one modern Clevo barebone has the touchpad connected both
1166          * via PS/2 and i2c interface. This causes a race condition between the
1167          * psmouse and i2c-hid driver. Since the full capability of the touchpad
1168          * is available via the i2c interface and the device has no external
1169          * PS/2 port, it is safe to just ignore all ps2 mouses here to avoid
1170          * this issue. The known affected device is the
1171          * TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU which comes with one of
1172          * the two different dmi strings below. NS50MU is not a typo!
1173          */
1174         {
1175                 .matches = {
1176                         DMI_MATCH(DMI_BOARD_NAME, "NS50MU"),
1177                 },
1178                 .driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1179                                         SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1180                                         SERIO_QUIRK_NOPNP)
1181         },
1182         {
1183                 .matches = {
1184                         DMI_MATCH(DMI_BOARD_NAME, "NS50_70MU"),
1185                 },
1186                 .driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1187                                         SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1188                                         SERIO_QUIRK_NOPNP)
1189         },
1190         {
1191                 .matches = {
1192                         DMI_MATCH(DMI_BOARD_NAME, "NS5x_7xPU"),
1193                 },
1194                 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
1195         },
1196         {
1197                 .matches = {
1198                         DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
1199                 },
1200                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1201                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1202         },
1203         {
1204                 .matches = {
1205                         DMI_MATCH(DMI_BOARD_NAME, "PB50_70DFx,DDx"),
1206                 },
1207                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1208                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1209         },
1210         {
1211                 .matches = {
1212                         DMI_MATCH(DMI_BOARD_NAME, "PCX0DX"),
1213                 },
1214                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1215                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1216         },
1217         /* See comment on TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU above */
1218         {
1219                 .matches = {
1220                         DMI_MATCH(DMI_BOARD_NAME, "PD5x_7xPNP_PNR_PNN_PNT"),
1221                 },
1222                 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
1223         },
1224         {
1225                 .matches = {
1226                         DMI_MATCH(DMI_BOARD_NAME, "X170SM"),
1227                 },
1228                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1229                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1230         },
1231         {
1232                 .matches = {
1233                         DMI_MATCH(DMI_BOARD_NAME, "X170KM-G"),
1234                 },
1235                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1236                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1237         },
1238         { }
1239 };
1240
1241 #ifdef CONFIG_PNP
1242 static const struct dmi_system_id i8042_dmi_laptop_table[] __initconst = {
1243         {
1244                 .matches = {
1245                         DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1246                 },
1247         },
1248         {
1249                 .matches = {
1250                         DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
1251                 },
1252         },
1253         {
1254                 .matches = {
1255                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
1256                 },
1257         },
1258         {
1259                 .matches = {
1260                         DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
1261                 },
1262         },
1263         { }
1264 };
1265 #endif
1266
1267 #endif /* CONFIG_X86 */
1268
1269 #ifdef CONFIG_PNP
1270 #include <linux/pnp.h>
1271
1272 static bool i8042_pnp_kbd_registered;
1273 static unsigned int i8042_pnp_kbd_devices;
1274 static bool i8042_pnp_aux_registered;
1275 static unsigned int i8042_pnp_aux_devices;
1276
1277 static int i8042_pnp_command_reg;
1278 static int i8042_pnp_data_reg;
1279 static int i8042_pnp_kbd_irq;
1280 static int i8042_pnp_aux_irq;
1281
1282 static char i8042_pnp_kbd_name[32];
1283 static char i8042_pnp_aux_name[32];
1284
1285 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1286 {
1287         strlcpy(dst, "PNP:", dst_size);
1288
1289         while (id) {
1290                 strlcat(dst, " ", dst_size);
1291                 strlcat(dst, id->id, dst_size);
1292                 id = id->next;
1293         }
1294 }
1295
1296 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1297 {
1298         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1299                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1300
1301         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1302                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1303
1304         if (pnp_irq_valid(dev,0))
1305                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1306
1307         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1308         if (strlen(pnp_dev_name(dev))) {
1309                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1310                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1311         }
1312         i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1313                                sizeof(i8042_kbd_firmware_id));
1314         i8042_kbd_fwnode = dev_fwnode(&dev->dev);
1315
1316         /* Keyboard ports are always supposed to be wakeup-enabled */
1317         device_set_wakeup_enable(&dev->dev, true);
1318
1319         i8042_pnp_kbd_devices++;
1320         return 0;
1321 }
1322
1323 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1324 {
1325         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1326                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1327
1328         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1329                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1330
1331         if (pnp_irq_valid(dev, 0))
1332                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
1333
1334         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1335         if (strlen(pnp_dev_name(dev))) {
1336                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1337                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1338         }
1339         i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1340                                sizeof(i8042_aux_firmware_id));
1341
1342         i8042_pnp_aux_devices++;
1343         return 0;
1344 }
1345
1346 static const struct pnp_device_id pnp_kbd_devids[] = {
1347         { .id = "PNP0300", .driver_data = 0 },
1348         { .id = "PNP0301", .driver_data = 0 },
1349         { .id = "PNP0302", .driver_data = 0 },
1350         { .id = "PNP0303", .driver_data = 0 },
1351         { .id = "PNP0304", .driver_data = 0 },
1352         { .id = "PNP0305", .driver_data = 0 },
1353         { .id = "PNP0306", .driver_data = 0 },
1354         { .id = "PNP0309", .driver_data = 0 },
1355         { .id = "PNP030a", .driver_data = 0 },
1356         { .id = "PNP030b", .driver_data = 0 },
1357         { .id = "PNP0320", .driver_data = 0 },
1358         { .id = "PNP0343", .driver_data = 0 },
1359         { .id = "PNP0344", .driver_data = 0 },
1360         { .id = "PNP0345", .driver_data = 0 },
1361         { .id = "CPQA0D7", .driver_data = 0 },
1362         { .id = "", },
1363 };
1364 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1365
1366 static struct pnp_driver i8042_pnp_kbd_driver = {
1367         .name           = "i8042 kbd",
1368         .id_table       = pnp_kbd_devids,
1369         .probe          = i8042_pnp_kbd_probe,
1370         .driver         = {
1371                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1372                 .suppress_bind_attrs = true,
1373         },
1374 };
1375
1376 static const struct pnp_device_id pnp_aux_devids[] = {
1377         { .id = "AUI0200", .driver_data = 0 },
1378         { .id = "FJC6000", .driver_data = 0 },
1379         { .id = "FJC6001", .driver_data = 0 },
1380         { .id = "PNP0f03", .driver_data = 0 },
1381         { .id = "PNP0f0b", .driver_data = 0 },
1382         { .id = "PNP0f0e", .driver_data = 0 },
1383         { .id = "PNP0f12", .driver_data = 0 },
1384         { .id = "PNP0f13", .driver_data = 0 },
1385         { .id = "PNP0f19", .driver_data = 0 },
1386         { .id = "PNP0f1c", .driver_data = 0 },
1387         { .id = "SYN0801", .driver_data = 0 },
1388         { .id = "", },
1389 };
1390 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1391
1392 static struct pnp_driver i8042_pnp_aux_driver = {
1393         .name           = "i8042 aux",
1394         .id_table       = pnp_aux_devids,
1395         .probe          = i8042_pnp_aux_probe,
1396         .driver         = {
1397                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1398                 .suppress_bind_attrs = true,
1399         },
1400 };
1401
1402 static void i8042_pnp_exit(void)
1403 {
1404         if (i8042_pnp_kbd_registered) {
1405                 i8042_pnp_kbd_registered = false;
1406                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1407         }
1408
1409         if (i8042_pnp_aux_registered) {
1410                 i8042_pnp_aux_registered = false;
1411                 pnp_unregister_driver(&i8042_pnp_aux_driver);
1412         }
1413 }
1414
1415 static int __init i8042_pnp_init(void)
1416 {
1417         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1418         bool pnp_data_busted = false;
1419         int err;
1420
1421         if (i8042_nopnp) {
1422                 pr_info("PNP detection disabled\n");
1423                 return 0;
1424         }
1425
1426         err = pnp_register_driver(&i8042_pnp_kbd_driver);
1427         if (!err)
1428                 i8042_pnp_kbd_registered = true;
1429
1430         err = pnp_register_driver(&i8042_pnp_aux_driver);
1431         if (!err)
1432                 i8042_pnp_aux_registered = true;
1433
1434         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1435                 i8042_pnp_exit();
1436 #if defined(__ia64__)
1437                 return -ENODEV;
1438 #else
1439                 pr_info("PNP: No PS/2 controller found.\n");
1440                 if (x86_platform.legacy.i8042 !=
1441                                 X86_LEGACY_I8042_EXPECTED_PRESENT)
1442                         return -ENODEV;
1443                 pr_info("Probing ports directly.\n");
1444                 return 0;
1445 #endif
1446         }
1447
1448         if (i8042_pnp_kbd_devices)
1449                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1450                         "%d", i8042_pnp_kbd_irq);
1451         if (i8042_pnp_aux_devices)
1452                 snprintf(aux_irq_str, sizeof(aux_irq_str),
1453                         "%d", i8042_pnp_aux_irq);
1454
1455         pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1456                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1457                 i8042_pnp_aux_name,
1458                 i8042_pnp_data_reg, i8042_pnp_command_reg,
1459                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1460                 aux_irq_str);
1461
1462 #if defined(__ia64__)
1463         if (!i8042_pnp_kbd_devices)
1464                 i8042_nokbd = true;
1465         if (!i8042_pnp_aux_devices)
1466                 i8042_noaux = true;
1467 #endif
1468
1469         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1470               i8042_pnp_data_reg != i8042_data_reg) ||
1471             !i8042_pnp_data_reg) {
1472                 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1473                         i8042_pnp_data_reg, i8042_data_reg);
1474                 i8042_pnp_data_reg = i8042_data_reg;
1475                 pnp_data_busted = true;
1476         }
1477
1478         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1479               i8042_pnp_command_reg != i8042_command_reg) ||
1480             !i8042_pnp_command_reg) {
1481                 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1482                         i8042_pnp_command_reg, i8042_command_reg);
1483                 i8042_pnp_command_reg = i8042_command_reg;
1484                 pnp_data_busted = true;
1485         }
1486
1487         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1488                 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1489                         i8042_kbd_irq);
1490                 i8042_pnp_kbd_irq = i8042_kbd_irq;
1491                 pnp_data_busted = true;
1492         }
1493
1494         if (!i8042_noaux && !i8042_pnp_aux_irq) {
1495                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1496                         pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1497                                 "if this is incorrect please boot with i8042.nopnp\n");
1498                         i8042_noaux = true;
1499                 } else {
1500                         pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1501                                 i8042_aux_irq);
1502                         i8042_pnp_aux_irq = i8042_aux_irq;
1503                 }
1504         }
1505
1506         i8042_data_reg = i8042_pnp_data_reg;
1507         i8042_command_reg = i8042_pnp_command_reg;
1508         i8042_kbd_irq = i8042_pnp_kbd_irq;
1509         i8042_aux_irq = i8042_pnp_aux_irq;
1510
1511 #ifdef CONFIG_X86
1512         i8042_bypass_aux_irq_test = !pnp_data_busted &&
1513                                     dmi_check_system(i8042_dmi_laptop_table);
1514 #endif
1515
1516         return 0;
1517 }
1518
1519 #else  /* !CONFIG_PNP */
1520 static inline int i8042_pnp_init(void) { return 0; }
1521 static inline void i8042_pnp_exit(void) { }
1522 #endif /* CONFIG_PNP */
1523
1524
1525 #ifdef CONFIG_X86
1526 static void __init i8042_check_quirks(void)
1527 {
1528         const struct dmi_system_id *device_quirk_info;
1529         uintptr_t quirks;
1530
1531         device_quirk_info = dmi_first_match(i8042_dmi_quirk_table);
1532         if (!device_quirk_info)
1533                 return;
1534
1535         quirks = (uintptr_t)device_quirk_info->driver_data;
1536
1537         if (quirks & SERIO_QUIRK_NOKBD)
1538                 i8042_nokbd = true;
1539         if (quirks & SERIO_QUIRK_NOAUX)
1540                 i8042_noaux = true;
1541         if (quirks & SERIO_QUIRK_NOMUX)
1542                 i8042_nomux = true;
1543         if (quirks & SERIO_QUIRK_FORCEMUX)
1544                 i8042_nomux = false;
1545         if (quirks & SERIO_QUIRK_UNLOCK)
1546                 i8042_unlock = true;
1547         if (quirks & SERIO_QUIRK_PROBE_DEFER)
1548                 i8042_probe_defer = true;
1549         /* Honor module parameter when value is not default */
1550         if (i8042_reset == I8042_RESET_DEFAULT) {
1551                 if (quirks & SERIO_QUIRK_RESET_ALWAYS)
1552                         i8042_reset = I8042_RESET_ALWAYS;
1553                 if (quirks & SERIO_QUIRK_RESET_NEVER)
1554                         i8042_reset = I8042_RESET_NEVER;
1555         }
1556         if (quirks & SERIO_QUIRK_DIECT)
1557                 i8042_direct = true;
1558         if (quirks & SERIO_QUIRK_DUMBKBD)
1559                 i8042_dumbkbd = true;
1560         if (quirks & SERIO_QUIRK_NOLOOP)
1561                 i8042_noloop = true;
1562         if (quirks & SERIO_QUIRK_NOTIMEOUT)
1563                 i8042_notimeout = true;
1564         if (quirks & SERIO_QUIRK_KBDRESET)
1565                 i8042_kbdreset = true;
1566         if (quirks & SERIO_QUIRK_DRITEK)
1567                 i8042_dritek = true;
1568 #ifdef CONFIG_PNP
1569         if (quirks & SERIO_QUIRK_NOPNP)
1570                 i8042_nopnp = true;
1571 #endif
1572 }
1573 #else
1574 static inline void i8042_check_quirks(void) {}
1575 #endif
1576
1577 static int __init i8042_platform_init(void)
1578 {
1579         int retval;
1580
1581 #ifdef CONFIG_X86
1582         u8 a20_on = 0xdf;
1583         /* Just return if platform does not have i8042 controller */
1584         if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1585                 return -ENODEV;
1586 #endif
1587
1588 /*
1589  * On ix86 platforms touching the i8042 data register region can do really
1590  * bad things. Because of this the region is always reserved on ix86 boxes.
1591  *
1592  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
1593  *              return -EBUSY;
1594  */
1595
1596         i8042_kbd_irq = I8042_MAP_IRQ(1);
1597         i8042_aux_irq = I8042_MAP_IRQ(12);
1598
1599 #if defined(__ia64__)
1600         i8042_reset = I8042_RESET_ALWAYS;
1601 #endif
1602
1603         i8042_check_quirks();
1604
1605         retval = i8042_pnp_init();
1606         if (retval)
1607                 return retval;
1608
1609 #ifdef CONFIG_X86
1610         /*
1611          * A20 was already enabled during early kernel init. But some buggy
1612          * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1613          * resume from S3. So we do it here and hope that nothing breaks.
1614          */
1615         i8042_command(&a20_on, 0x10d1);
1616         i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
1617 #endif /* CONFIG_X86 */
1618
1619         return retval;
1620 }
1621
1622 static inline void i8042_platform_exit(void)
1623 {
1624         i8042_pnp_exit();
1625 }
1626
1627 #endif /* _I8042_ACPIPNPIO_H */