drivers/input/serio/i8042-x86ia64io.h

   1 #ifndef _I8042_X86IA64IO_H
   2 #define _I8042_X86IA64IO_H
   3
   4 /*
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 as published by
   7  * the Free Software Foundation.
   8  */
   9
  10 #ifdef CONFIG_X86
  11 #include <asm/x86_init.h>
  12 #endif
  13
  14 /*
  15  * Names.
  16  */
  17
  18 #define I8042_KBD_PHYS_DESC "isa0060/serio0"
  19 #define I8042_AUX_PHYS_DESC "isa0060/serio1"
  20 #define I8042_MUX_PHYS_DESC "isa0060/serio%d"
  21
  22 /*
  23  * IRQs.
  24  */
  25
  26 #if defined(__ia64__)
  27 # define I8042_MAP_IRQ(x)       isa_irq_to_vector((x))
  28 #else
  29 # define I8042_MAP_IRQ(x)       (x)
  30 #endif
  31
  32 #define I8042_KBD_IRQ   i8042_kbd_irq
  33 #define I8042_AUX_IRQ   i8042_aux_irq
  34
  35 static int i8042_kbd_irq;
  36 static int i8042_aux_irq;
  37
  38 /*
  39  * Register numbers.
  40  */
  41
  42 #define I8042_COMMAND_REG       i8042_command_reg
  43 #define I8042_STATUS_REG        i8042_command_reg
  44 #define I8042_DATA_REG          i8042_data_reg
  45
  46 static int i8042_command_reg = 0x64;
  47 static int i8042_data_reg = 0x60;
  48
  49
  50 static inline int i8042_read_data(void)
  51 {
  52         return inb(I8042_DATA_REG);
  53 }
  54
  55 static inline int i8042_read_status(void)
  56 {
  57         return inb(I8042_STATUS_REG);
  58 }
  59
  60 static inline void i8042_write_data(int val)
  61 {
  62         outb(val, I8042_DATA_REG);
  63 }
  64
  65 static inline void i8042_write_command(int val)
  66 {
  67         outb(val, I8042_COMMAND_REG);
  68 }
  69
  70 #ifdef CONFIG_X86
  71
  72 #include <linux/dmi.h>
  73
  74 #define SERIO_QUIRK_NOKBD               BIT(0)
  75 #define SERIO_QUIRK_NOAUX               BIT(1)
  76 #define SERIO_QUIRK_NOMUX               BIT(2)
  77 #define SERIO_QUIRK_FORCEMUX            BIT(3)
  78 #define SERIO_QUIRK_UNLOCK              BIT(4)
  79 #define SERIO_QUIRK_PROBE_DEFER         BIT(5)
  80 #define SERIO_QUIRK_RESET_ALWAYS        BIT(6)
  81 #define SERIO_QUIRK_RESET_NEVER         BIT(7)
  82 #define SERIO_QUIRK_DIECT               BIT(8)
  83 #define SERIO_QUIRK_DUMBKBD             BIT(9)
  84 #define SERIO_QUIRK_NOLOOP              BIT(10)
  85 #define SERIO_QUIRK_NOTIMEOUT           BIT(11)
  86 #define SERIO_QUIRK_KBDRESET            BIT(12)
  87 #define SERIO_QUIRK_DRITEK              BIT(13)
  88 #define SERIO_QUIRK_NOPNP               BIT(14)
  89
  90 /* Quirk table for different mainboards. Options similar or identical to i8042
  91  * module parameters.
  92  * ORDERING IS IMPORTANT! The first match will be apllied and the rest ignored.
  93  * This allows entries to overwrite vendor wide quirks on a per device basis.
  94  * Where this is irrelevant, entries are sorted case sensitive by DMI_SYS_VENDOR
  95  * and/or DMI_BOARD_VENDOR to make it easier to avoid dublicate entries.
  96  */
  97 static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
  98         {
  99                 .matches = {
 100                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 101                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 102                 },
 103                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 104         },
 105         {
 106                 .matches = {
 107                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 108                         DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
 109                 },
 110                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 111         },
 112         {
 113                 /* Asus X450LCP */
 114                 .matches = {
 115                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 116                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 117                 },
 118                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_NEVER)
 119         },
 120         {
 121                 /* ASUS ZenBook UX425UA */
 122                 .matches = {
 123                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 124                         DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"),
 125                 },
 126                 .driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
 127         },
 128         {
 129                 /* ASUS ZenBook UM325UA */
 130                 .matches = {
 131                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 132                         DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"),
 133                 },
 134                 .driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
 135         },
 136         /*
 137          * On some Asus laptops, just running self tests cause problems.
 138          */
 139         {
 140                 .matches = {
 141                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 142                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 143                 },
 144                 .driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
 145         },
 146         {
 147                 .matches = {
 148                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 149                         DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
 150                 },
 151                 .driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
 152         },
 153         {
 154                 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
 155                 .matches = {
 156                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
 157                         DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
 158                         DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
 159                 },
 160                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 161         },
 162         {
 163                 /* ASUS G1S */
 164                 .matches = {
 165                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
 166                         DMI_MATCH(DMI_BOARD_NAME, "G1S"),
 167                         DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
 168                 },
 169                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 170         },
 171         {
 172                 .matches = {
 173                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 174                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 175                 },
 176                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 177         },
 178         {
 179                 /* Acer Aspire 5710 */
 180                 .matches = {
 181                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 182                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
 183                 },
 184                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 185         },
 186         {
 187                 /* Acer Aspire 7738 */
 188                 .matches = {
 189                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 190                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
 191                 },
 192                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 193         },
 194         {
 195                 /* Acer Aspire 5536 */
 196                 .matches = {
 197                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 198                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
 199                         DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
 200                 },
 201                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 202         },
 203         {
 204                 /*
 205                  * Acer Aspire 5738z
 206                  * Touchpad stops working in mux mode when dis- + re-enabled
 207                  * with the touchpad enable/disable toggle hotkey
 208                  */
 209                 .matches = {
 210                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 211                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
 212                 },
 213                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 214         },
 215         {
 216                 /* Acer Aspire One 150 */
 217                 .matches = {
 218                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 219                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
 220                 },
 221                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 222         },
 223         {
 224                 .matches = {
 225                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 226                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
 227                 },
 228                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 229         },
 230         {
 231                 .matches = {
 232                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 233                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
 234                 },
 235                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 236         },
 237         {
 238                 .matches = {
 239                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 240                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
 241                 },
 242                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 243         },
 244         {
 245                 .matches = {
 246                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 247                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
 248                 },
 249                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 250         },
 251         {
 252                 .matches = {
 253                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 254                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
 255                 },
 256                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 257         },
 258         {
 259                 .matches = {
 260                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 261                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
 262                 },
 263                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 264         },
 265         {
 266                 .matches = {
 267                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 268                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
 269                 },
 270                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 271         },
 272         /*
 273          * Some Wistron based laptops need us to explicitly enable the 'Dritek
 274          * keyboard extension' to make their extra keys start generating scancodes.
 275          * Originally, this was just confined to older laptops, but a few Acer laptops
 276          * have turned up in 2007 that also need this again.
 277          */
 278         {
 279                 /* Acer Aspire 5100 */
 280                 .matches = {
 281                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 282                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 283                 },
 284                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 285         },
 286         {
 287                 /* Acer Aspire 5610 */
 288                 .matches = {
 289                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 290                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 291                 },
 292                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 293         },
 294         {
 295                 /* Acer Aspire 5630 */
 296                 .matches = {
 297                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 298                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 299                 },
 300                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 301         },
 302         {
 303                 /* Acer Aspire 5650 */
 304                 .matches = {
 305                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 306                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 307                 },
 308                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 309         },
 310         {
 311                 /* Acer Aspire 5680 */
 312                 .matches = {
 313                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 314                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 315                 },
 316                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 317         },
 318         {
 319                 /* Acer Aspire 5720 */
 320                 .matches = {
 321                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 322                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 323                 },
 324                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 325         },
 326         {
 327                 /* Acer Aspire 9110 */
 328                 .matches = {
 329                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 330                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 331                 },
 332                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 333         },
 334         {
 335                 /* Acer TravelMate 660 */
 336                 .matches = {
 337                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 338                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 339                 },
 340                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 341         },
 342         {
 343                 /* Acer TravelMate 2490 */
 344                 .matches = {
 345                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 346                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 347                 },
 348                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 349         },
 350         {
 351                 /* Acer TravelMate 4280 */
 352                 .matches = {
 353                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 354                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 355                 },
 356                 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
 357         },
 358         {
 359                 /* Acer TravelMate P459-G2-M */
 360                 .matches = {
 361                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 362                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate P459-G2-M"),
 363                 },
 364                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 365         },
 366         {
 367                 /* Amoi M636/A737 */
 368                 .matches = {
 369                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 370                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 371                 },
 372                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 373         },
 374         {
 375                 .matches = {
 376                         DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
 377                         DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
 378                 },
 379                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 380         },
 381         {
 382                 /* Compal HEL80I */
 383                 .matches = {
 384                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 385                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 386                 },
 387                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 388         },
 389         {
 390                 .matches = {
 391                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 392                         DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
 393                         DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
 394                 },
 395                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 396         },
 397         {
 398                 .matches = {
 399                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 400                         DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
 401                         DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
 402                 },
 403                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 404         },
 405         {
 406                 /* Advent 4211 */
 407                 .matches = {
 408                         DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
 409                         DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
 410                 },
 411                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 412         },
 413         {
 414                 /* Dell Embedded Box PC 3000 */
 415                 .matches = {
 416                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 417                         DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
 418                 },
 419                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 420         },
 421         {
 422                 /* Dell XPS M1530 */
 423                 .matches = {
 424                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 425                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 426                 },
 427                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 428         },
 429         {
 430                 /* Dell Vostro 1510 */
 431                 .matches = {
 432                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 433                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 434                 },
 435                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 436         },
 437         {
 438                 /* Dell Vostro V13 */
 439                 .matches = {
 440                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 441                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 442                 },
 443                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 444         },
 445         {
 446                 /* Dell Vostro 1320 */
 447                 .matches = {
 448                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 449                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
 450                 },
 451                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 452         },
 453         {
 454                 /* Dell Vostro 1520 */
 455                 .matches = {
 456                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 457                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
 458                 },
 459                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 460         },
 461         {
 462                 /* Dell Vostro 1720 */
 463                 .matches = {
 464                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 465                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
 466                 },
 467                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 468         },
 469         {
 470                 /* Entroware Proteus */
 471                 .matches = {
 472                         DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
 473                         DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
 474                         DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
 475                 },
 476                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS)
 477         },
 478         /*
 479          * Some Fujitsu notebooks are having trouble with touchpads if
 480          * active multiplexing mode is activated. Luckily they don't have
 481          * external PS/2 ports so we can safely disable it.
 482          * ... apparently some Toshibas don't like MUX mode either and
 483          * die horrible death on reboot.
 484          */
 485         {
 486                 /* Fujitsu Lifebook P7010/P7010D */
 487                 .matches = {
 488                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 489                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 490                 },
 491                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 492         },
 493         {
 494                 /* Fujitsu Lifebook P5020D */
 495                 .matches = {
 496                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 497                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 498                 },
 499                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 500         },
 501         {
 502                 /* Fujitsu Lifebook S2000 */
 503                 .matches = {
 504                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 505                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 506                 },
 507                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 508         },
 509         {
 510                 /* Fujitsu Lifebook S6230 */
 511                 .matches = {
 512                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 513                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 514                 },
 515                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 516         },
 517         {
 518                 /* Fujitsu Lifebook T725 laptop */
 519                 .matches = {
 520                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 521                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
 522                 },
 523                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 524         },
 525         {
 526                 /* Fujitsu Lifebook U745 */
 527                 .matches = {
 528                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 529                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
 530                 },
 531                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 532         },
 533         {
 534                 /* Fujitsu T70H */
 535                 .matches = {
 536                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 537                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 538                 },
 539                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 540         },
 541         {
 542                 /* Fujitsu A544 laptop */
 543                 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 544                 .matches = {
 545                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 546                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
 547                 },
 548                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 549         },
 550         {
 551                 /* Fujitsu AH544 laptop */
 552                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 553                 .matches = {
 554                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 555                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
 556                 },
 557                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 558         },
 559         {
 560                 /* Fujitsu U574 laptop */
 561                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 562                 .matches = {
 563                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 564                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
 565                 },
 566                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 567         },
 568         {
 569                 /* Fujitsu UH554 laptop */
 570                 .matches = {
 571                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 572                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
 573                 },
 574                 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 575         },
 576         {
 577                 /* Fujitsu Lifebook P7010 */
 578                 .matches = {
 579                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 580                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 581                 },
 582                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 583         },
 584         {
 585                 /* Fujitsu-Siemens Lifebook T3010 */
 586                 .matches = {
 587                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 588                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 589                 },
 590                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 591         },
 592         {
 593                 /* Fujitsu-Siemens Lifebook E4010 */
 594                 .matches = {
 595                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 596                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 597                 },
 598                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 599         },
 600         {
 601                 /* Fujitsu-Siemens Amilo Pro 2010 */
 602                 .matches = {
 603                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 604                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 605                 },
 606                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 607         },
 608         {
 609                 /* Fujitsu-Siemens Amilo Pro 2030 */
 610                 .matches = {
 611                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 612                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 613                 },
 614                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 615         },
 616         {
 617                 /* Fujitsu Lifebook A574/H */
 618                 .matches = {
 619                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 620                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVA0501PZ"),
 621                 },
 622                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 623         },
 624         {
 625                 /* Fujitsu Lifebook E5411 */
 626                 .matches = {
 627                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU CLIENT COMPUTING LIMITED"),
 628                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E5411"),
 629                 },
 630                 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
 631         },
 632         {
 633                 /* Gigabyte M912 */
 634                 .matches = {
 635                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 636                         DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
 637                         DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
 638                 },
 639                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 640         },
 641         {
 642                 /* Gigabyte Spring Peak - defines wrong chassis type */
 643                 .matches = {
 644                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 645                         DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
 646                 },
 647                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 648         },
 649         {
 650                 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
 651                 .matches = {
 652                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 653                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
 654                 },
 655                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 656         },
 657         {
 658                 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
 659                 .matches = {
 660                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 661                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
 662                 },
 663                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 664         },
 665         /*
 666          * Some laptops need keyboard reset before probing for the trackpad to get
 667          * it detected, initialised & finally work.
 668          */
 669         {
 670                 /* Gigabyte P35 v2 - Elantech touchpad */
 671                 .matches = {
 672                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 673                         DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
 674                 },
 675                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 676         },
 677                 {
 678                 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
 679                 .matches = {
 680                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 681                         DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
 682                 },
 683                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 684         },
 685         {
 686                 /* Gigabyte P34 - Elantech touchpad */
 687                 .matches = {
 688                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 689                         DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 690                 },
 691                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 692         },
 693         {
 694                 /* Gigabyte P57 - Elantech touchpad */
 695                 .matches = {
 696                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 697                         DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
 698                 },
 699                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 700         },
 701         {
 702                 /* Gericom Bellagio */
 703                 .matches = {
 704                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 705                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 706                 },
 707                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 708         },
 709         {
 710                 /* Gigabyte M1022M netbook */
 711                 .matches = {
 712                         DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
 713                         DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
 714                         DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
 715                 },
 716                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 717         },
 718         {
 719                 .matches = {
 720                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 721                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
 722                         DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
 723                 },
 724                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 725         },
 726         {
 727                 /*
 728                  * HP Pavilion DV4017EA -
 729                  * errors on MUX ports are reported without raising AUXDATA
 730                  * causing "spurious NAK" messages.
 731                  */
 732                 .matches = {
 733                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 734                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 735                 },
 736                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 737         },
 738         {
 739                 /*
 740                  * HP Pavilion ZT1000 -
 741                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 742                  */
 743                 .matches = {
 744                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 745                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 746                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 747                 },
 748                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 749         },
 750         {
 751                 /*
 752                  * HP Pavilion DV4270ca -
 753                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 754                  */
 755                 .matches = {
 756                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 757                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 758                 },
 759                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 760         },
 761         {
 762                 /* Newer HP Pavilion dv4 models */
 763                 .matches = {
 764                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 765                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 766                 },
 767                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 768         },
 769         {
 770                 /* IBM 2656 */
 771                 .matches = {
 772                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 773                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 774                 },
 775                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 776         },
 777         {
 778                 /* Avatar AVIU-145A6 */
 779                 .matches = {
 780                         DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
 781                         DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
 782                 },
 783                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 784         },
 785         {
 786                 /* Intel MBO Desktop D845PESV */
 787                 .matches = {
 788                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 789                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 790                 },
 791                 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
 792         },
 793         {
 794                 /*
 795                  * Intel NUC D54250WYK - does not have i8042 controller but
 796                  * declares PS/2 devices in DSDT.
 797                  */
 798                 .matches = {
 799                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 800                         DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
 801                 },
 802                 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
 803         },
 804         {
 805                 /* Lenovo 3000 n100 */
 806                 .matches = {
 807                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 808                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 809                 },
 810                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 811         },
 812         {
 813                 /* Lenovo XiaoXin Air 12 */
 814                 .matches = {
 815                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 816                         DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
 817                 },
 818                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 819         },
 820         {
 821                 /* Lenovo LaVie Z */
 822                 .matches = {
 823                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 824                         DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
 825                 },
 826                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 827         },
 828         {
 829                 /* Lenovo Ideapad U455 */
 830                 .matches = {
 831                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 832                         DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
 833                 },
 834                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 835         },
 836         {
 837                 /* Lenovo ThinkPad L460 */
 838                 .matches = {
 839                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 840                         DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
 841                 },
 842                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 843         },
 844         {
 845                 /* Lenovo ThinkPad Twist S230u */
 846                 .matches = {
 847                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 848                         DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
 849                 },
 850                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 851         },
 852         {
 853                 /* LG Electronics X110 */
 854                 .matches = {
 855                         DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
 856                         DMI_MATCH(DMI_BOARD_NAME, "X110"),
 857                 },
 858                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 859         },
 860         {
 861                 /* Medion Akoya Mini E1210 */
 862                 .matches = {
 863                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 864                         DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
 865                 },
 866                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 867         },
 868         {
 869                 /* Medion Akoya E1222 */
 870                 .matches = {
 871                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 872                         DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
 873                 },
 874                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 875         },
 876         {
 877                 /* MSI Wind U-100 */
 878                 .matches = {
 879                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 880                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 881                 },
 882                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOPNP)
 883         },
 884         {
 885                 /*
 886                  * No data is coming from the touchscreen unless KBC
 887                  * is in legacy mode.
 888                  */
 889                 /* Panasonic CF-29 */
 890                 .matches = {
 891                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 892                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 893                 },
 894                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 895         },
 896         {
 897                 /* Medion Akoya E7225 */
 898                 .matches = {
 899                         DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
 900                         DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
 901                         DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
 902                 },
 903                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 904         },
 905         {
 906                 /* Microsoft Virtual Machine */
 907                 .matches = {
 908                         DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 909                         DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
 910                         DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 911                 },
 912                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 913         },
 914         {
 915                 /* Medion MAM 2070 */
 916                 .matches = {
 917                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 918                         DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
 919                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 920                 },
 921                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 922         },
 923         {
 924                 /* TUXEDO BU1406 */
 925                 .matches = {
 926                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 927                         DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
 928                 },
 929                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 930         },
 931         {
 932                 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
 933                 .matches = {
 934                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 935                         DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
 936                 },
 937                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 938         },
 939         {
 940                 /* OQO Model 01 */
 941                 .matches = {
 942                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
 943                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
 944                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
 945                 },
 946                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 947         },
 948         {
 949                 .matches = {
 950                         DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
 951                         DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
 952                 },
 953                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 954         },
 955         {
 956                 /* Acer Aspire 5 A515 */
 957                 .matches = {
 958                         DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
 959                         DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
 960                 },
 961                 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
 962         },
 963         {
 964                 /* ULI EV4873 - AUX LOOP does not work properly */
 965                 .matches = {
 966                         DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
 967                         DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
 968                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 969                 },
 970                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 971         },
 972         {
 973                 /*
 974                  * Arima-Rioworks HDAMB -
 975                  * AUX LOOP command does not raise AUX IRQ
 976                  */
 977                 .matches = {
 978                         DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
 979                         DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
 980                         DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
 981                 },
 982                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 983         },
 984         {
 985                 /* Sharp Actius MM20 */
 986                 .matches = {
 987                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 988                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 989                 },
 990                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
 991         },
 992         {
 993                 /*
 994                  * Sony Vaio FZ-240E -
 995                  * reset and GET ID commands issued via KBD port are
 996                  * sometimes being delivered to AUX3.
 997                  */
 998                 .matches = {
 999                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1000                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
1001                 },
1002                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1003         },
1004         {
1005                 /*
1006                  * Most (all?) VAIOs do not have external PS/2 ports nor
1007                  * they implement active multiplexing properly, and
1008                  * MUX discovery usually messes up keyboard/touchpad.
1009                  */
1010                 .matches = {
1011                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1012                         DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
1013                 },
1014                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1015         },
1016         {
1017                 /* Sony Vaio FS-115b */
1018                 .matches = {
1019                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1020                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
1021                 },
1022                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1023         },
1024         {
1025                 /*
1026                  * Sony Vaio VGN-CS series require MUX or the touch sensor
1027                  * buttons will disturb touchpad operation
1028                  */
1029                 .matches = {
1030                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1031                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
1032                 },
1033                 .driver_data = (void *)(SERIO_QUIRK_FORCEMUX)
1034         },
1035         {
1036                 .matches = {
1037                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1038                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
1039                 },
1040                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1041         },
1042         {
1043                 .matches = {
1044                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1045                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
1046                 },
1047                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1048         },
1049         {
1050                 .matches = {
1051                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1052                         DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
1053                 },
1054                 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1055         },
1056         /*
1057          * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1058          * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1059          * none of them have an external PS/2 port so this can safely be set for
1060          * all of them. These two are based on a Clevo design, but have the
1061          * board_name changed.
1062          */
1063         {
1064                 .matches = {
1065                         DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1066                         DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
1067                 },
1068                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1069                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1070         },
1071         {
1072                 .matches = {
1073                         DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1074                         DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
1075                 },
1076                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1077                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1078         },
1079         {
1080                 /* Mivvy M310 */
1081                 .matches = {
1082                         DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
1083                         DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
1084                 },
1085                 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
1086         },
1087         /*
1088          * Some laptops need keyboard reset before probing for the trackpad to get
1089          * it detected, initialised & finally work.
1090          */
1091         {
1092                 /* Schenker XMG C504 - Elantech touchpad */
1093                 .matches = {
1094                         DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
1095                         DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
1096                 },
1097                 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
1098         },
1099         {
1100                 /* Blue FB5601 */
1101                 .matches = {
1102                         DMI_MATCH(DMI_SYS_VENDOR, "blue"),
1103                         DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
1104                         DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
1105                 },
1106                 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
1107         },
1108         /*
1109          * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1110          * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1111          * none of them have an external PS/2 port so this can safely be set for
1112          * all of them.
1113          * Clevo barebones come with board_vendor and/or system_vendor set to
1114          * either the very generic string "Notebook" and/or a different value
1115          * for each individual reseller. The only somewhat universal way to
1116          * identify them is by board_name.
1117          */
1118         {
1119                 .matches = {
1120                         DMI_MATCH(DMI_BOARD_NAME, "LAPQC71A"),
1121                 },
1122                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1123                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1124         },
1125         {
1126                 .matches = {
1127                         DMI_MATCH(DMI_BOARD_NAME, "LAPQC71B"),
1128                 },
1129                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1130                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1131         },
1132         {
1133                 .matches = {
1134                         DMI_MATCH(DMI_BOARD_NAME, "N140CU"),
1135                 },
1136                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1137                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1138         },
1139         {
1140                 .matches = {
1141                         DMI_MATCH(DMI_BOARD_NAME, "N141CU"),
1142                 },
1143                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1144                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1145         },
1146         {
1147                 .matches = {
1148                         DMI_MATCH(DMI_BOARD_NAME, "NH5xAx"),
1149                 },
1150                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1151                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1152         },
1153         {
1154                 .matches = {
1155                         DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
1156                 },
1157                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1158                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1159         },
1160         /*
1161          * At least one modern Clevo barebone has the touchpad connected both
1162          * via PS/2 and i2c interface. This causes a race condition between the
1163          * psmouse and i2c-hid driver. Since the full capability of the touchpad
1164          * is available via the i2c interface and the device has no external
1165          * PS/2 port, it is safe to just ignore all ps2 mouses here to avoid
1166          * this issue. The known affected device is the
1167          * TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU which comes with one of
1168          * the two different dmi strings below. NS50MU is not a typo!
1169          */
1170         {
1171                 .matches = {
1172                         DMI_MATCH(DMI_BOARD_NAME, "NS50MU"),
1173                 },
1174                 .driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1175                                         SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1176                                         SERIO_QUIRK_NOPNP)
1177         },
1178         {
1179                 .matches = {
1180                         DMI_MATCH(DMI_BOARD_NAME, "NS50_70MU"),
1181                 },
1182                 .driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1183                                         SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1184                                         SERIO_QUIRK_NOPNP)
1185         },
1186         {
1187                 .matches = {
1188                         DMI_MATCH(DMI_BOARD_NAME, "NS5x_7xPU"),
1189                 },
1190                 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
1191         },
1192         {
1193                 .matches = {
1194                         DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
1195                 },
1196                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1197                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1198         },
1199         {
1200                 .matches = {
1201                         DMI_MATCH(DMI_BOARD_NAME, "PB50_70DFx,DDx"),
1202                 },
1203                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1204                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1205         },
1206         {
1207                 .matches = {
1208                         DMI_MATCH(DMI_BOARD_NAME, "PCX0DX"),
1209                 },
1210                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1211                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1212         },
1213         /* See comment on TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU above */
1214         {
1215                 .matches = {
1216                         DMI_MATCH(DMI_BOARD_NAME, "PD5x_7xPNP_PNR_PNN_PNT"),
1217                 },
1218                 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
1219         },
1220         {
1221                 .matches = {
1222                         DMI_MATCH(DMI_BOARD_NAME, "X170SM"),
1223                 },
1224                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1225                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1226         },
1227         {
1228                 .matches = {
1229                         DMI_MATCH(DMI_BOARD_NAME, "X170KM-G"),
1230                 },
1231                 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1232                                         SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1233         },
1234         { }
1235 };
1236
1237 #ifdef CONFIG_PNP
1238 static const struct dmi_system_id i8042_dmi_laptop_table[] __initconst = {
1239         {
1240                 .matches = {
1241                         DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1242                 },
1243         },
1244         {
1245                 .matches = {
1246                         DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
1247                 },
1248         },
1249         {
1250                 .matches = {
1251                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
1252                 },
1253         },
1254         {
1255                 .matches = {
1256                         DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
1257                 },
1258         },
1259         { }
1260 };
1261 #endif
1262
1263 #endif /* CONFIG_X86 */
1264
1265 #ifdef CONFIG_PNP
1266 #include <linux/pnp.h>
1267
1268 static bool i8042_pnp_kbd_registered;
1269 static unsigned int i8042_pnp_kbd_devices;
1270 static bool i8042_pnp_aux_registered;
1271 static unsigned int i8042_pnp_aux_devices;
1272
1273 static int i8042_pnp_command_reg;
1274 static int i8042_pnp_data_reg;
1275 static int i8042_pnp_kbd_irq;
1276 static int i8042_pnp_aux_irq;
1277
1278 static char i8042_pnp_kbd_name[32];
1279 static char i8042_pnp_aux_name[32];
1280
1281 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1282 {
1283         strlcpy(dst, "PNP:", dst_size);
1284
1285         while (id) {
1286                 strlcat(dst, " ", dst_size);
1287                 strlcat(dst, id->id, dst_size);
1288                 id = id->next;
1289         }
1290 }
1291
1292 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1293 {
1294         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1295                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1296
1297         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1298                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1299
1300         if (pnp_irq_valid(dev,0))
1301                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1302
1303         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1304         if (strlen(pnp_dev_name(dev))) {
1305                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1306                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1307         }
1308         i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1309                                sizeof(i8042_kbd_firmware_id));
1310
1311         /* Keyboard ports are always supposed to be wakeup-enabled */
1312         device_set_wakeup_enable(&dev->dev, true);
1313
1314         i8042_pnp_kbd_devices++;
1315         return 0;
1316 }
1317
1318 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1319 {
1320         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1321                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1322
1323         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1324                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1325
1326         if (pnp_irq_valid(dev, 0))
1327                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
1328
1329         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1330         if (strlen(pnp_dev_name(dev))) {
1331                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1332                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1333         }
1334         i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1335                                sizeof(i8042_aux_firmware_id));
1336
1337         i8042_pnp_aux_devices++;
1338         return 0;
1339 }
1340
1341 static const struct pnp_device_id pnp_kbd_devids[] = {
1342         { .id = "PNP0300", .driver_data = 0 },
1343         { .id = "PNP0301", .driver_data = 0 },
1344         { .id = "PNP0302", .driver_data = 0 },
1345         { .id = "PNP0303", .driver_data = 0 },
1346         { .id = "PNP0304", .driver_data = 0 },
1347         { .id = "PNP0305", .driver_data = 0 },
1348         { .id = "PNP0306", .driver_data = 0 },
1349         { .id = "PNP0309", .driver_data = 0 },
1350         { .id = "PNP030a", .driver_data = 0 },
1351         { .id = "PNP030b", .driver_data = 0 },
1352         { .id = "PNP0320", .driver_data = 0 },
1353         { .id = "PNP0343", .driver_data = 0 },
1354         { .id = "PNP0344", .driver_data = 0 },
1355         { .id = "PNP0345", .driver_data = 0 },
1356         { .id = "CPQA0D7", .driver_data = 0 },
1357         { .id = "", },
1358 };
1359 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1360
1361 static struct pnp_driver i8042_pnp_kbd_driver = {
1362         .name           = "i8042 kbd",
1363         .id_table       = pnp_kbd_devids,
1364         .probe          = i8042_pnp_kbd_probe,
1365         .driver         = {
1366                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1367                 .suppress_bind_attrs = true,
1368         },
1369 };
1370
1371 static const struct pnp_device_id pnp_aux_devids[] = {
1372         { .id = "AUI0200", .driver_data = 0 },
1373         { .id = "FJC6000", .driver_data = 0 },
1374         { .id = "FJC6001", .driver_data = 0 },
1375         { .id = "PNP0f03", .driver_data = 0 },
1376         { .id = "PNP0f0b", .driver_data = 0 },
1377         { .id = "PNP0f0e", .driver_data = 0 },
1378         { .id = "PNP0f12", .driver_data = 0 },
1379         { .id = "PNP0f13", .driver_data = 0 },
1380         { .id = "PNP0f19", .driver_data = 0 },
1381         { .id = "PNP0f1c", .driver_data = 0 },
1382         { .id = "SYN0801", .driver_data = 0 },
1383         { .id = "", },
1384 };
1385 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1386
1387 static struct pnp_driver i8042_pnp_aux_driver = {
1388         .name           = "i8042 aux",
1389         .id_table       = pnp_aux_devids,
1390         .probe          = i8042_pnp_aux_probe,
1391         .driver         = {
1392                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1393                 .suppress_bind_attrs = true,
1394         },
1395 };
1396
1397 static void i8042_pnp_exit(void)
1398 {
1399         if (i8042_pnp_kbd_registered) {
1400                 i8042_pnp_kbd_registered = false;
1401                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1402         }
1403
1404         if (i8042_pnp_aux_registered) {
1405                 i8042_pnp_aux_registered = false;
1406                 pnp_unregister_driver(&i8042_pnp_aux_driver);
1407         }
1408 }
1409
1410 static int __init i8042_pnp_init(void)
1411 {
1412         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1413         bool pnp_data_busted = false;
1414         int err;
1415
1416         if (i8042_nopnp) {
1417                 pr_info("PNP detection disabled\n");
1418                 return 0;
1419         }
1420
1421         err = pnp_register_driver(&i8042_pnp_kbd_driver);
1422         if (!err)
1423                 i8042_pnp_kbd_registered = true;
1424
1425         err = pnp_register_driver(&i8042_pnp_aux_driver);
1426         if (!err)
1427                 i8042_pnp_aux_registered = true;
1428
1429         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1430                 i8042_pnp_exit();
1431 #if defined(__ia64__)
1432                 return -ENODEV;
1433 #else
1434                 pr_info("PNP: No PS/2 controller found.\n");
1435                 if (x86_platform.legacy.i8042 !=
1436                                 X86_LEGACY_I8042_EXPECTED_PRESENT)
1437                         return -ENODEV;
1438                 pr_info("Probing ports directly.\n");
1439                 return 0;
1440 #endif
1441         }
1442
1443         if (i8042_pnp_kbd_devices)
1444                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1445                         "%d", i8042_pnp_kbd_irq);
1446         if (i8042_pnp_aux_devices)
1447                 snprintf(aux_irq_str, sizeof(aux_irq_str),
1448                         "%d", i8042_pnp_aux_irq);
1449
1450         pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1451                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1452                 i8042_pnp_aux_name,
1453                 i8042_pnp_data_reg, i8042_pnp_command_reg,
1454                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1455                 aux_irq_str);
1456
1457 #if defined(__ia64__)
1458         if (!i8042_pnp_kbd_devices)
1459                 i8042_nokbd = true;
1460         if (!i8042_pnp_aux_devices)
1461                 i8042_noaux = true;
1462 #endif
1463
1464         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1465               i8042_pnp_data_reg != i8042_data_reg) ||
1466             !i8042_pnp_data_reg) {
1467                 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1468                         i8042_pnp_data_reg, i8042_data_reg);
1469                 i8042_pnp_data_reg = i8042_data_reg;
1470                 pnp_data_busted = true;
1471         }
1472
1473         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1474               i8042_pnp_command_reg != i8042_command_reg) ||
1475             !i8042_pnp_command_reg) {
1476                 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1477                         i8042_pnp_command_reg, i8042_command_reg);
1478                 i8042_pnp_command_reg = i8042_command_reg;
1479                 pnp_data_busted = true;
1480         }
1481
1482         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1483                 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1484                         i8042_kbd_irq);
1485                 i8042_pnp_kbd_irq = i8042_kbd_irq;
1486                 pnp_data_busted = true;
1487         }
1488
1489         if (!i8042_noaux && !i8042_pnp_aux_irq) {
1490                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1491                         pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1492                                 "if this is incorrect please boot with i8042.nopnp\n");
1493                         i8042_noaux = true;
1494                 } else {
1495                         pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1496                                 i8042_aux_irq);
1497                         i8042_pnp_aux_irq = i8042_aux_irq;
1498                 }
1499         }
1500
1501         i8042_data_reg = i8042_pnp_data_reg;
1502         i8042_command_reg = i8042_pnp_command_reg;
1503         i8042_kbd_irq = i8042_pnp_kbd_irq;
1504         i8042_aux_irq = i8042_pnp_aux_irq;
1505
1506 #ifdef CONFIG_X86
1507         i8042_bypass_aux_irq_test = !pnp_data_busted &&
1508                                     dmi_check_system(i8042_dmi_laptop_table);
1509 #endif
1510
1511         return 0;
1512 }
1513
1514 #else  /* !CONFIG_PNP */
1515 static inline int i8042_pnp_init(void) { return 0; }
1516 static inline void i8042_pnp_exit(void) { }
1517 #endif /* CONFIG_PNP */
1518
1519
1520 #ifdef CONFIG_X86
1521 static void __init i8042_check_quirks(void)
1522 {
1523         const struct dmi_system_id *device_quirk_info;
1524         uintptr_t quirks;
1525
1526         device_quirk_info = dmi_first_match(i8042_dmi_quirk_table);
1527         if (!device_quirk_info)
1528                 return;
1529
1530         quirks = (uintptr_t)device_quirk_info->driver_data;
1531
1532         if (quirks & SERIO_QUIRK_NOKBD)
1533                 i8042_nokbd = true;
1534         if (quirks & SERIO_QUIRK_NOAUX)
1535                 i8042_noaux = true;
1536         if (quirks & SERIO_QUIRK_NOMUX)
1537                 i8042_nomux = true;
1538         if (quirks & SERIO_QUIRK_FORCEMUX)
1539                 i8042_nomux = false;
1540         if (quirks & SERIO_QUIRK_UNLOCK)
1541                 i8042_unlock = true;
1542         if (quirks & SERIO_QUIRK_PROBE_DEFER)
1543                 i8042_probe_defer = true;
1544         /* Honor module parameter when value is not default */
1545         if (i8042_reset == I8042_RESET_DEFAULT) {
1546                 if (quirks & SERIO_QUIRK_RESET_ALWAYS)
1547                         i8042_reset = I8042_RESET_ALWAYS;
1548                 if (quirks & SERIO_QUIRK_RESET_NEVER)
1549                         i8042_reset = I8042_RESET_NEVER;
1550         }
1551         if (quirks & SERIO_QUIRK_DIECT)
1552                 i8042_direct = true;
1553         if (quirks & SERIO_QUIRK_DUMBKBD)
1554                 i8042_dumbkbd = true;
1555         if (quirks & SERIO_QUIRK_NOLOOP)
1556                 i8042_noloop = true;
1557         if (quirks & SERIO_QUIRK_NOTIMEOUT)
1558                 i8042_notimeout = true;
1559         if (quirks & SERIO_QUIRK_KBDRESET)
1560                 i8042_kbdreset = true;
1561         if (quirks & SERIO_QUIRK_DRITEK)
1562                 i8042_dritek = true;
1563 #ifdef CONFIG_PNP
1564         if (quirks & SERIO_QUIRK_NOPNP)
1565                 i8042_nopnp = true;
1566 #endif
1567 }
1568 #else
1569 static inline void i8042_check_quirks(void) {}
1570 #endif
1571
1572 static int __init i8042_platform_init(void)
1573 {
1574         int retval;
1575
1576 #ifdef CONFIG_X86
1577         u8 a20_on = 0xdf;
1578         /* Just return if platform does not have i8042 controller */
1579         if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1580                 return -ENODEV;
1581 #endif
1582
1583 /*
1584  * On ix86 platforms touching the i8042 data register region can do really
1585  * bad things. Because of this the region is always reserved on ix86 boxes.
1586  *
1587  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
1588  *              return -EBUSY;
1589  */
1590
1591         i8042_kbd_irq = I8042_MAP_IRQ(1);
1592         i8042_aux_irq = I8042_MAP_IRQ(12);
1593
1594 #if defined(__ia64__)
1595         i8042_reset = I8042_RESET_ALWAYS;
1596 #endif
1597
1598         i8042_check_quirks();
1599
1600         retval = i8042_pnp_init();
1601         if (retval)
1602                 return retval;
1603
1604 #ifdef CONFIG_X86
1605         /*
1606          * A20 was already enabled during early kernel init. But some buggy
1607          * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1608          * resume from S3. So we do it here and hope that nothing breaks.
1609          */
1610         i8042_command(&a20_on, 0x10d1);
1611         i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
1612 #endif /* CONFIG_X86 */
1613
1614         return retval;
1615 }
1616
1617 static inline void i8042_platform_exit(void)
1618 {
1619         i8042_pnp_exit();
1620 }
1621
1622 #endif /* _I8042_X86IA64IO_H */