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 static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
  75         {
  76                 /*
  77                  * Arima-Rioworks HDAMB -
  78                  * AUX LOOP command does not raise AUX IRQ
  79                  */
  80                 .matches = {
  81                         DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
  82                         DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
  83                         DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
  84                 },
  85         },
  86         {
  87                 /* ASUS G1S */
  88                 .matches = {
  89                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
  90                         DMI_MATCH(DMI_BOARD_NAME, "G1S"),
  91                         DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
  92                 },
  93         },
  94         {
  95                 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
  96                 .matches = {
  97                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
  98                         DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
  99                         DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
 100                 },
 101         },
 102         {
 103                 .matches = {
 104                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 105                         DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
 106                 },
 107         },
 108         {
 109                 .matches = {
 110                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 111                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
 112                         DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
 113                 },
 114         },
 115         {
 116                 .matches = {
 117                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 118                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
 119                         DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
 120                 },
 121         },
 122         {
 123                 /* OQO Model 01 */
 124                 .matches = {
 125                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
 126                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
 127                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
 128                 },
 129         },
 130         {
 131                 /* ULI EV4873 - AUX LOOP does not work properly */
 132                 .matches = {
 133                         DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
 134                         DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
 135                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 136                 },
 137         },
 138         {
 139                 /* Microsoft Virtual Machine */
 140                 .matches = {
 141                         DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 142                         DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
 143                         DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 144                 },
 145         },
 146         {
 147                 /* Medion MAM 2070 */
 148                 .matches = {
 149                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 150                         DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
 151                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 152                 },
 153         },
 154         {
 155                 /* Medion Akoya E7225 */
 156                 .matches = {
 157                         DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
 158                         DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
 159                         DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
 160                 },
 161         },
 162         {
 163                 /* Blue FB5601 */
 164                 .matches = {
 165                         DMI_MATCH(DMI_SYS_VENDOR, "blue"),
 166                         DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
 167                         DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
 168                 },
 169         },
 170         {
 171                 /* Gigabyte M912 */
 172                 .matches = {
 173                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 174                         DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
 175                         DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
 176                 },
 177         },
 178         {
 179                 /* Gigabyte M1022M netbook */
 180                 .matches = {
 181                         DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
 182                         DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
 183                         DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
 184                 },
 185         },
 186         {
 187                 /* Gigabyte Spring Peak - defines wrong chassis type */
 188                 .matches = {
 189                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 190                         DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
 191                 },
 192         },
 193         {
 194                 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
 195                 .matches = {
 196                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 197                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
 198                 },
 199         },
 200         {
 201                 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
 202                 .matches = {
 203                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 204                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
 205                 },
 206         },
 207         {
 208                 .matches = {
 209                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 210                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
 211                         DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
 212                 },
 213         },
 214         { }
 215 };
 216
 217 /*
 218  * Some Fujitsu notebooks are having trouble with touchpads if
 219  * active multiplexing mode is activated. Luckily they don't have
 220  * external PS/2 ports so we can safely disable it.
 221  * ... apparently some Toshibas don't like MUX mode either and
 222  * die horrible death on reboot.
 223  */
 224 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 225         {
 226                 /* Fujitsu Lifebook P7010/P7010D */
 227                 .matches = {
 228                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 229                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 230                 },
 231         },
 232         {
 233                 /* Fujitsu Lifebook P7010 */
 234                 .matches = {
 235                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 236                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 237                 },
 238         },
 239         {
 240                 /* Fujitsu Lifebook P5020D */
 241                 .matches = {
 242                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 243                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 244                 },
 245         },
 246         {
 247                 /* Fujitsu Lifebook S2000 */
 248                 .matches = {
 249                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 250                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 251                 },
 252         },
 253         {
 254                 /* Fujitsu Lifebook S6230 */
 255                 .matches = {
 256                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 257                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 258                 },
 259         },
 260         {
 261                 /* Fujitsu Lifebook U745 */
 262                 .matches = {
 263                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 264                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
 265                 },
 266         },
 267         {
 268                 /* Fujitsu T70H */
 269                 .matches = {
 270                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 271                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 272                 },
 273         },
 274         {
 275                 /* Fujitsu-Siemens Lifebook T3010 */
 276                 .matches = {
 277                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 278                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 279                 },
 280         },
 281         {
 282                 /* Fujitsu-Siemens Lifebook E4010 */
 283                 .matches = {
 284                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 285                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 286                 },
 287         },
 288         {
 289                 /* Fujitsu-Siemens Amilo Pro 2010 */
 290                 .matches = {
 291                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 292                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 293                 },
 294         },
 295         {
 296                 /* Fujitsu-Siemens Amilo Pro 2030 */
 297                 .matches = {
 298                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 299                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 300                 },
 301         },
 302         {
 303                 /*
 304                  * No data is coming from the touchscreen unless KBC
 305                  * is in legacy mode.
 306                  */
 307                 /* Panasonic CF-29 */
 308                 .matches = {
 309                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 310                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 311                 },
 312         },
 313         {
 314                 /*
 315                  * HP Pavilion DV4017EA -
 316                  * errors on MUX ports are reported without raising AUXDATA
 317                  * causing "spurious NAK" messages.
 318                  */
 319                 .matches = {
 320                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 321                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 322                 },
 323         },
 324         {
 325                 /*
 326                  * HP Pavilion ZT1000 -
 327                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 328                  */
 329                 .matches = {
 330                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 331                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 332                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 333                 },
 334         },
 335         {
 336                 /*
 337                  * HP Pavilion DV4270ca -
 338                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 339                  */
 340                 .matches = {
 341                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 342                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 343                 },
 344         },
 345         {
 346                 .matches = {
 347                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 348                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 349                 },
 350         },
 351         {
 352                 .matches = {
 353                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 354                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 355                 },
 356         },
 357         {
 358                 .matches = {
 359                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 360                         DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
 361                 },
 362         },
 363         {
 364                 .matches = {
 365                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 366                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 367                 },
 368         },
 369         {
 370                 /* Sharp Actius MM20 */
 371                 .matches = {
 372                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 373                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 374                 },
 375         },
 376         {
 377                 /* Sony Vaio FS-115b */
 378                 .matches = {
 379                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 380                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 381                 },
 382         },
 383         {
 384                 /*
 385                  * Sony Vaio FZ-240E -
 386                  * reset and GET ID commands issued via KBD port are
 387                  * sometimes being delivered to AUX3.
 388                  */
 389                 .matches = {
 390                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 391                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
 392                 },
 393         },
 394         {
 395                 /*
 396                  * Most (all?) VAIOs do not have external PS/2 ports nor
 397                  * they implement active multiplexing properly, and
 398                  * MUX discovery usually messes up keyboard/touchpad.
 399                  */
 400                 .matches = {
 401                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 402                         DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
 403                 },
 404         },
 405         {
 406                 /* Amoi M636/A737 */
 407                 .matches = {
 408                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 409                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 410                 },
 411         },
 412         {
 413                 /* Lenovo 3000 n100 */
 414                 .matches = {
 415                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 416                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 417                 },
 418         },
 419         {
 420                 .matches = {
 421                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 422                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 423                 },
 424         },
 425         {
 426                 /* Acer Aspire 5710 */
 427                 .matches = {
 428                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 429                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
 430                 },
 431         },
 432         {
 433                 /* Acer Aspire 7738 */
 434                 .matches = {
 435                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 436                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
 437                 },
 438         },
 439         {
 440                 /* Gericom Bellagio */
 441                 .matches = {
 442                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 443                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 444                 },
 445         },
 446         {
 447                 /* IBM 2656 */
 448                 .matches = {
 449                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 450                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 451                 },
 452         },
 453         {
 454                 /* Dell XPS M1530 */
 455                 .matches = {
 456                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 457                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 458                 },
 459         },
 460         {
 461                 /* Compal HEL80I */
 462                 .matches = {
 463                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 464                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 465                 },
 466         },
 467         {
 468                 /* Dell Vostro 1510 */
 469                 .matches = {
 470                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 471                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 472                 },
 473         },
 474         {
 475                 /* Acer Aspire 5536 */
 476                 .matches = {
 477                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 478                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
 479                         DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
 480                 },
 481         },
 482         {
 483                 /* Dell Vostro V13 */
 484                 .matches = {
 485                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 486                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 487                 },
 488         },
 489         {
 490                 /* Newer HP Pavilion dv4 models */
 491                 .matches = {
 492                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 493                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 494                 },
 495         },
 496         {
 497                 /* Asus X450LCP */
 498                 .matches = {
 499                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 500                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 501                 },
 502         },
 503         {
 504                 /* Avatar AVIU-145A6 */
 505                 .matches = {
 506                         DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
 507                         DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
 508                 },
 509         },
 510         { }
 511 };
 512
 513 /*
 514  * On some Asus laptops, just running self tests cause problems.
 515  */
 516 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
 517         {
 518                 .matches = {
 519                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 520                         DMI_MATCH(DMI_PRODUCT_NAME, "A455LD"),
 521                 },
 522         },
 523         {
 524                 .matches = {
 525                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 526                         DMI_MATCH(DMI_PRODUCT_NAME, "K401LB"),
 527                 },
 528         },
 529         {
 530                 .matches = {
 531                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 532                         DMI_MATCH(DMI_PRODUCT_NAME, "K501LB"),
 533                 },
 534         },
 535         {
 536                 .matches = {
 537                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 538                         DMI_MATCH(DMI_PRODUCT_NAME, "K501LX"),
 539                 },
 540         },
 541         {
 542                 .matches = {
 543                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 544                         DMI_MATCH(DMI_PRODUCT_NAME, "R409L"),
 545                 },
 546         },
 547         {
 548                 .matches = {
 549                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 550                         DMI_MATCH(DMI_PRODUCT_NAME, "V502LX"),
 551                 },
 552         },
 553         {
 554                 .matches = {
 555                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 556                         DMI_MATCH(DMI_PRODUCT_NAME, "X302LA"),
 557                 },
 558         },
 559         {
 560                 .matches = {
 561                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 562                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 563                 },
 564         },
 565         {
 566                 .matches = {
 567                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 568                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LD"),
 569                 },
 570         },
 571         {
 572                 .matches = {
 573                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 574                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LAB"),
 575                 },
 576         },
 577         {
 578                 .matches = {
 579                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 580                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LDB"),
 581                 },
 582         },
 583         {
 584                 .matches = {
 585                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 586                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LF"),
 587                 },
 588         },
 589         {
 590                 .matches = {
 591                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 592                         DMI_MATCH(DMI_PRODUCT_NAME, "Z450LA"),
 593                 },
 594         },
 595         { }
 596 };
 597 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 598         {
 599                 /* MSI Wind U-100 */
 600                 .matches = {
 601                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 602                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 603                 },
 604         },
 605         {
 606                 /* LG Electronics X110 */
 607                 .matches = {
 608                         DMI_MATCH(DMI_BOARD_NAME, "X110"),
 609                         DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
 610                 },
 611         },
 612         {
 613                 /* Acer Aspire One 150 */
 614                 .matches = {
 615                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 616                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
 617                 },
 618         },
 619         {
 620                 /* Advent 4211 */
 621                 .matches = {
 622                         DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
 623                         DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
 624                 },
 625         },
 626         {
 627                 /* Medion Akoya Mini E1210 */
 628                 .matches = {
 629                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 630                         DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
 631                 },
 632         },
 633         {
 634                 /* Medion Akoya E1222 */
 635                 .matches = {
 636                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 637                         DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
 638                 },
 639         },
 640         {
 641                 /* Mivvy M310 */
 642                 .matches = {
 643                         DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
 644                         DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
 645                 },
 646         },
 647         {
 648                 /* Dell Vostro 1320 */
 649                 .matches = {
 650                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 651                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
 652                 },
 653         },
 654         {
 655                 /* Dell Vostro 1520 */
 656                 .matches = {
 657                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 658                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
 659                 },
 660         },
 661         {
 662                 /* Dell Vostro 1720 */
 663                 .matches = {
 664                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 665                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
 666                 },
 667         },
 668         {
 669                 /* Lenovo Ideapad U455 */
 670                 .matches = {
 671                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 672                         DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
 673                 },
 674         },
 675         { }
 676 };
 677
 678 #ifdef CONFIG_PNP
 679 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
 680         {
 681                 /* Intel MBO Desktop D845PESV */
 682                 .matches = {
 683                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 684                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 685                 },
 686         },
 687         {
 688                 /*
 689                  * Intel NUC D54250WYK - does not have i8042 controller but
 690                  * declares PS/2 devices in DSDT.
 691                  */
 692                 .matches = {
 693                         DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
 694                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 695                 },
 696         },
 697         {
 698                 /* MSI Wind U-100 */
 699                 .matches = {
 700                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 701                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 702                 },
 703         },
 704         { }
 705 };
 706
 707 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
 708         {
 709                 .matches = {
 710                         DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
 711                 },
 712         },
 713         {
 714                 .matches = {
 715                         DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
 716                 },
 717         },
 718         {
 719                 .matches = {
 720                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 721                 },
 722         },
 723         {
 724                 .matches = {
 725                         DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
 726                 },
 727         },
 728         { }
 729 };
 730 #endif
 731
 732 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 733         {
 734                 /* Dell Vostro V13 */
 735                 .matches = {
 736                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 737                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 738                 },
 739         },
 740         {
 741                 /* Newer HP Pavilion dv4 models */
 742                 .matches = {
 743                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 744                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 745                 },
 746         },
 747         {
 748                 /* Fujitsu A544 laptop */
 749                 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 750                 .matches = {
 751                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 752                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
 753                 },
 754         },
 755         {
 756                 /* Fujitsu AH544 laptop */
 757                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 758                 .matches = {
 759                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 760                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
 761                 },
 762         },
 763         {
 764                 /* Fujitsu U574 laptop */
 765                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 766                 .matches = {
 767                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 768                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
 769                 },
 770         },
 771         { }
 772 };
 773
 774 /*
 775  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 776  * keyboard extension' to make their extra keys start generating scancodes.
 777  * Originally, this was just confined to older laptops, but a few Acer laptops
 778  * have turned up in 2007 that also need this again.
 779  */
 780 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
 781         {
 782                 /* Acer Aspire 5100 */
 783                 .matches = {
 784                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 785                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 786                 },
 787         },
 788         {
 789                 /* Acer Aspire 5610 */
 790                 .matches = {
 791                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 792                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 793                 },
 794         },
 795         {
 796                 /* Acer Aspire 5630 */
 797                 .matches = {
 798                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 799                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 800                 },
 801         },
 802         {
 803                 /* Acer Aspire 5650 */
 804                 .matches = {
 805                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 806                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 807                 },
 808         },
 809         {
 810                 /* Acer Aspire 5680 */
 811                 .matches = {
 812                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 813                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 814                 },
 815         },
 816         {
 817                 /* Acer Aspire 5720 */
 818                 .matches = {
 819                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 820                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 821                 },
 822         },
 823         {
 824                 /* Acer Aspire 9110 */
 825                 .matches = {
 826                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 827                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 828                 },
 829         },
 830         {
 831                 /* Acer TravelMate 660 */
 832                 .matches = {
 833                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 834                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 835                 },
 836         },
 837         {
 838                 /* Acer TravelMate 2490 */
 839                 .matches = {
 840                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 841                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 842                 },
 843         },
 844         {
 845                 /* Acer TravelMate 4280 */
 846                 .matches = {
 847                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 848                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 849                 },
 850         },
 851         { }
 852 };
 853
 854 /*
 855  * Some laptops need keyboard reset before probing for the trackpad to get
 856  * it detected, initialised & finally work.
 857  */
 858 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
 859         {
 860                 /* Gigabyte P35 v2 - Elantech touchpad */
 861                 .matches = {
 862                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 863                         DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
 864                 },
 865         },
 866                 {
 867                 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
 868                 .matches = {
 869                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 870                         DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
 871                 },
 872         },
 873         {
 874                 /* Gigabyte P34 - Elantech touchpad */
 875                 .matches = {
 876                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 877                         DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 878                 },
 879         },
 880         { }
 881 };
 882
 883 #endif /* CONFIG_X86 */
 884
 885 #ifdef CONFIG_PNP
 886 #include <linux/pnp.h>
 887
 888 static bool i8042_pnp_kbd_registered;
 889 static unsigned int i8042_pnp_kbd_devices;
 890 static bool i8042_pnp_aux_registered;
 891 static unsigned int i8042_pnp_aux_devices;
 892
 893 static int i8042_pnp_command_reg;
 894 static int i8042_pnp_data_reg;
 895 static int i8042_pnp_kbd_irq;
 896 static int i8042_pnp_aux_irq;
 897
 898 static char i8042_pnp_kbd_name[32];
 899 static char i8042_pnp_aux_name[32];
 900
 901 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
 902 {
 903         strlcpy(dst, "PNP:", dst_size);
 904
 905         while (id) {
 906                 strlcat(dst, " ", dst_size);
 907                 strlcat(dst, id->id, dst_size);
 908                 id = id->next;
 909         }
 910 }
 911
 912 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 913 {
 914         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 915                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 916
 917         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 918                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 919
 920         if (pnp_irq_valid(dev,0))
 921                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 922
 923         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 924         if (strlen(pnp_dev_name(dev))) {
 925                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 926                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 927         }
 928         i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
 929                                sizeof(i8042_kbd_firmware_id));
 930
 931         /* Keyboard ports are always supposed to be wakeup-enabled */
 932         device_set_wakeup_enable(&dev->dev, true);
 933
 934         i8042_pnp_kbd_devices++;
 935         return 0;
 936 }
 937
 938 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 939 {
 940         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 941                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 942
 943         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 944                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 945
 946         if (pnp_irq_valid(dev, 0))
 947                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 948
 949         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 950         if (strlen(pnp_dev_name(dev))) {
 951                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 952                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 953         }
 954         i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
 955                                sizeof(i8042_aux_firmware_id));
 956
 957         i8042_pnp_aux_devices++;
 958         return 0;
 959 }
 960
 961 static struct pnp_device_id pnp_kbd_devids[] = {
 962         { .id = "PNP0300", .driver_data = 0 },
 963         { .id = "PNP0301", .driver_data = 0 },
 964         { .id = "PNP0302", .driver_data = 0 },
 965         { .id = "PNP0303", .driver_data = 0 },
 966         { .id = "PNP0304", .driver_data = 0 },
 967         { .id = "PNP0305", .driver_data = 0 },
 968         { .id = "PNP0306", .driver_data = 0 },
 969         { .id = "PNP0309", .driver_data = 0 },
 970         { .id = "PNP030a", .driver_data = 0 },
 971         { .id = "PNP030b", .driver_data = 0 },
 972         { .id = "PNP0320", .driver_data = 0 },
 973         { .id = "PNP0343", .driver_data = 0 },
 974         { .id = "PNP0344", .driver_data = 0 },
 975         { .id = "PNP0345", .driver_data = 0 },
 976         { .id = "CPQA0D7", .driver_data = 0 },
 977         { .id = "", },
 978 };
 979 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
 980
 981 static struct pnp_driver i8042_pnp_kbd_driver = {
 982         .name           = "i8042 kbd",
 983         .id_table       = pnp_kbd_devids,
 984         .probe          = i8042_pnp_kbd_probe,
 985 };
 986
 987 static struct pnp_device_id pnp_aux_devids[] = {
 988         { .id = "AUI0200", .driver_data = 0 },
 989         { .id = "FJC6000", .driver_data = 0 },
 990         { .id = "FJC6001", .driver_data = 0 },
 991         { .id = "PNP0f03", .driver_data = 0 },
 992         { .id = "PNP0f0b", .driver_data = 0 },
 993         { .id = "PNP0f0e", .driver_data = 0 },
 994         { .id = "PNP0f12", .driver_data = 0 },
 995         { .id = "PNP0f13", .driver_data = 0 },
 996         { .id = "PNP0f19", .driver_data = 0 },
 997         { .id = "PNP0f1c", .driver_data = 0 },
 998         { .id = "SYN0801", .driver_data = 0 },
 999         { .id = "", },
1000 };
1001 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1002
1003 static struct pnp_driver i8042_pnp_aux_driver = {
1004         .name           = "i8042 aux",
1005         .id_table       = pnp_aux_devids,
1006         .probe          = i8042_pnp_aux_probe,
1007 };
1008
1009 static void i8042_pnp_exit(void)
1010 {
1011         if (i8042_pnp_kbd_registered) {
1012                 i8042_pnp_kbd_registered = false;
1013                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1014         }
1015
1016         if (i8042_pnp_aux_registered) {
1017                 i8042_pnp_aux_registered = false;
1018                 pnp_unregister_driver(&i8042_pnp_aux_driver);
1019         }
1020 }
1021
1022 static int __init i8042_pnp_init(void)
1023 {
1024         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1025         bool pnp_data_busted = false;
1026         int err;
1027
1028 #ifdef CONFIG_X86
1029         if (dmi_check_system(i8042_dmi_nopnp_table))
1030                 i8042_nopnp = true;
1031 #endif
1032
1033         if (i8042_nopnp) {
1034                 pr_info("PNP detection disabled\n");
1035                 return 0;
1036         }
1037
1038         err = pnp_register_driver(&i8042_pnp_kbd_driver);
1039         if (!err)
1040                 i8042_pnp_kbd_registered = true;
1041
1042         err = pnp_register_driver(&i8042_pnp_aux_driver);
1043         if (!err)
1044                 i8042_pnp_aux_registered = true;
1045
1046         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1047                 i8042_pnp_exit();
1048 #if defined(__ia64__)
1049                 return -ENODEV;
1050 #else
1051                 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
1052                 return 0;
1053 #endif
1054         }
1055
1056         if (i8042_pnp_kbd_devices)
1057                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1058                         "%d", i8042_pnp_kbd_irq);
1059         if (i8042_pnp_aux_devices)
1060                 snprintf(aux_irq_str, sizeof(aux_irq_str),
1061                         "%d", i8042_pnp_aux_irq);
1062
1063         pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1064                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1065                 i8042_pnp_aux_name,
1066                 i8042_pnp_data_reg, i8042_pnp_command_reg,
1067                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1068                 aux_irq_str);
1069
1070 #if defined(__ia64__)
1071         if (!i8042_pnp_kbd_devices)
1072                 i8042_nokbd = true;
1073         if (!i8042_pnp_aux_devices)
1074                 i8042_noaux = true;
1075 #endif
1076
1077         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1078               i8042_pnp_data_reg != i8042_data_reg) ||
1079             !i8042_pnp_data_reg) {
1080                 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1081                         i8042_pnp_data_reg, i8042_data_reg);
1082                 i8042_pnp_data_reg = i8042_data_reg;
1083                 pnp_data_busted = true;
1084         }
1085
1086         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1087               i8042_pnp_command_reg != i8042_command_reg) ||
1088             !i8042_pnp_command_reg) {
1089                 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1090                         i8042_pnp_command_reg, i8042_command_reg);
1091                 i8042_pnp_command_reg = i8042_command_reg;
1092                 pnp_data_busted = true;
1093         }
1094
1095         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1096                 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1097                         i8042_kbd_irq);
1098                 i8042_pnp_kbd_irq = i8042_kbd_irq;
1099                 pnp_data_busted = true;
1100         }
1101
1102         if (!i8042_noaux && !i8042_pnp_aux_irq) {
1103                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1104                         pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1105                                 "if this is incorrect please boot with i8042.nopnp\n");
1106                         i8042_noaux = true;
1107                 } else {
1108                         pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1109                                 i8042_aux_irq);
1110                         i8042_pnp_aux_irq = i8042_aux_irq;
1111                 }
1112         }
1113
1114         i8042_data_reg = i8042_pnp_data_reg;
1115         i8042_command_reg = i8042_pnp_command_reg;
1116         i8042_kbd_irq = i8042_pnp_kbd_irq;
1117         i8042_aux_irq = i8042_pnp_aux_irq;
1118
1119 #ifdef CONFIG_X86
1120         i8042_bypass_aux_irq_test = !pnp_data_busted &&
1121                                     dmi_check_system(i8042_dmi_laptop_table);
1122 #endif
1123
1124         return 0;
1125 }
1126
1127 #else
1128 static inline int i8042_pnp_init(void) { return 0; }
1129 static inline void i8042_pnp_exit(void) { }
1130 #endif
1131
1132 static int __init i8042_platform_init(void)
1133 {
1134         int retval;
1135
1136 #ifdef CONFIG_X86
1137         u8 a20_on = 0xdf;
1138         /* Just return if pre-detection shows no i8042 controller exist */
1139         if (!x86_platform.i8042_detect())
1140                 return -ENODEV;
1141 #endif
1142
1143 /*
1144  * On ix86 platforms touching the i8042 data register region can do really
1145  * bad things. Because of this the region is always reserved on ix86 boxes.
1146  *
1147  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
1148  *              return -EBUSY;
1149  */
1150
1151         i8042_kbd_irq = I8042_MAP_IRQ(1);
1152         i8042_aux_irq = I8042_MAP_IRQ(12);
1153
1154         retval = i8042_pnp_init();
1155         if (retval)
1156                 return retval;
1157
1158 #if defined(__ia64__)
1159         i8042_reset = I8042_RESET_ALWAYS;
1160 #endif
1161
1162 #ifdef CONFIG_X86
1163         /* Honor module parameter when value is not default */
1164         if (i8042_reset == I8042_RESET_DEFAULT) {
1165                 if (dmi_check_system(i8042_dmi_reset_table))
1166                         i8042_reset = I8042_RESET_ALWAYS;
1167
1168                 if (dmi_check_system(i8042_dmi_noselftest_table))
1169                         i8042_reset = I8042_RESET_NEVER;
1170         }
1171
1172         if (dmi_check_system(i8042_dmi_noloop_table))
1173                 i8042_noloop = true;
1174
1175         if (dmi_check_system(i8042_dmi_nomux_table))
1176                 i8042_nomux = true;
1177
1178         if (dmi_check_system(i8042_dmi_notimeout_table))
1179                 i8042_notimeout = true;
1180
1181         if (dmi_check_system(i8042_dmi_dritek_table))
1182                 i8042_dritek = true;
1183
1184         if (dmi_check_system(i8042_dmi_kbdreset_table))
1185                 i8042_kbdreset = true;
1186
1187         /*
1188          * A20 was already enabled during early kernel init. But some buggy
1189          * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1190          * resume from S3. So we do it here and hope that nothing breaks.
1191          */
1192         i8042_command(&a20_on, 0x10d1);
1193         i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
1194 #endif /* CONFIG_X86 */
1195
1196         return retval;
1197 }
1198
1199 static inline void i8042_platform_exit(void)
1200 {
1201         i8042_pnp_exit();
1202 }
1203
1204 #endif /* _I8042_X86IA64IO_H */