kernel/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                 .matches = {
 216                         DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
 217                         DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
 218                 },
 219         },
 220         { }
 221 };
 222
 223 /*
 224  * Some Fujitsu notebooks are having trouble with touchpads if
 225  * active multiplexing mode is activated. Luckily they don't have
 226  * external PS/2 ports so we can safely disable it.
 227  * ... apparently some Toshibas don't like MUX mode either and
 228  * die horrible death on reboot.
 229  */
 230 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 231         {
 232                 /* Fujitsu Lifebook P7010/P7010D */
 233                 .matches = {
 234                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 235                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 236                 },
 237         },
 238         {
 239                 /* Fujitsu Lifebook P7010 */
 240                 .matches = {
 241                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 242                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 243                 },
 244         },
 245         {
 246                 /* Fujitsu Lifebook P5020D */
 247                 .matches = {
 248                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 249                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 250                 },
 251         },
 252         {
 253                 /* Fujitsu Lifebook S2000 */
 254                 .matches = {
 255                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 256                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 257                 },
 258         },
 259         {
 260                 /* Fujitsu Lifebook S6230 */
 261                 .matches = {
 262                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 263                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 264                 },
 265         },
 266         {
 267                 /* Fujitsu Lifebook U745 */
 268                 .matches = {
 269                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 270                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
 271                 },
 272         },
 273         {
 274                 /* Fujitsu T70H */
 275                 .matches = {
 276                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 277                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 278                 },
 279         },
 280         {
 281                 /* Fujitsu-Siemens Lifebook T3010 */
 282                 .matches = {
 283                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 284                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 285                 },
 286         },
 287         {
 288                 /* Fujitsu-Siemens Lifebook E4010 */
 289                 .matches = {
 290                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 291                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 292                 },
 293         },
 294         {
 295                 /* Fujitsu-Siemens Amilo Pro 2010 */
 296                 .matches = {
 297                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 298                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 299                 },
 300         },
 301         {
 302                 /* Fujitsu-Siemens Amilo Pro 2030 */
 303                 .matches = {
 304                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 305                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 306                 },
 307         },
 308         {
 309                 /*
 310                  * No data is coming from the touchscreen unless KBC
 311                  * is in legacy mode.
 312                  */
 313                 /* Panasonic CF-29 */
 314                 .matches = {
 315                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 316                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 317                 },
 318         },
 319         {
 320                 /*
 321                  * HP Pavilion DV4017EA -
 322                  * errors on MUX ports are reported without raising AUXDATA
 323                  * causing "spurious NAK" messages.
 324                  */
 325                 .matches = {
 326                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 327                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 328                 },
 329         },
 330         {
 331                 /*
 332                  * HP Pavilion ZT1000 -
 333                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 334                  */
 335                 .matches = {
 336                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 337                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 338                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 339                 },
 340         },
 341         {
 342                 /*
 343                  * HP Pavilion DV4270ca -
 344                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 345                  */
 346                 .matches = {
 347                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 348                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 349                 },
 350         },
 351         {
 352                 .matches = {
 353                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 354                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 355                 },
 356         },
 357         {
 358                 .matches = {
 359                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 360                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 361                 },
 362         },
 363         {
 364                 .matches = {
 365                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 366                         DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
 367                 },
 368         },
 369         {
 370                 .matches = {
 371                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 372                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 373                 },
 374         },
 375         {
 376                 /* Sharp Actius MM20 */
 377                 .matches = {
 378                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 379                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 380                 },
 381         },
 382         {
 383                 /* Sony Vaio FS-115b */
 384                 .matches = {
 385                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 386                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 387                 },
 388         },
 389         {
 390                 /*
 391                  * Sony Vaio FZ-240E -
 392                  * reset and GET ID commands issued via KBD port are
 393                  * sometimes being delivered to AUX3.
 394                  */
 395                 .matches = {
 396                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 397                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
 398                 },
 399         },
 400         {
 401                 /*
 402                  * Most (all?) VAIOs do not have external PS/2 ports nor
 403                  * they implement active multiplexing properly, and
 404                  * MUX discovery usually messes up keyboard/touchpad.
 405                  */
 406                 .matches = {
 407                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 408                         DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
 409                 },
 410         },
 411         {
 412                 /* Amoi M636/A737 */
 413                 .matches = {
 414                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 415                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 416                 },
 417         },
 418         {
 419                 /* Lenovo 3000 n100 */
 420                 .matches = {
 421                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 422                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 423                 },
 424         },
 425         {
 426                 .matches = {
 427                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 428                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 429                 },
 430         },
 431         {
 432                 /* Acer Aspire 5710 */
 433                 .matches = {
 434                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 435                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
 436                 },
 437         },
 438         {
 439                 /* Acer Aspire 7738 */
 440                 .matches = {
 441                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 442                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
 443                 },
 444         },
 445         {
 446                 /* Gericom Bellagio */
 447                 .matches = {
 448                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 449                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 450                 },
 451         },
 452         {
 453                 /* IBM 2656 */
 454                 .matches = {
 455                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 456                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 457                 },
 458         },
 459         {
 460                 /* Dell XPS M1530 */
 461                 .matches = {
 462                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 463                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 464                 },
 465         },
 466         {
 467                 /* Compal HEL80I */
 468                 .matches = {
 469                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 470                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 471                 },
 472         },
 473         {
 474                 /* Dell Vostro 1510 */
 475                 .matches = {
 476                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 477                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 478                 },
 479         },
 480         {
 481                 /* Acer Aspire 5536 */
 482                 .matches = {
 483                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 484                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
 485                         DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
 486                 },
 487         },
 488         {
 489                 /* Dell Vostro V13 */
 490                 .matches = {
 491                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 492                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 493                 },
 494         },
 495         {
 496                 /* Newer HP Pavilion dv4 models */
 497                 .matches = {
 498                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 499                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 500                 },
 501         },
 502         {
 503                 /* Asus X450LCP */
 504                 .matches = {
 505                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 506                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 507                 },
 508         },
 509         {
 510                 /* Avatar AVIU-145A6 */
 511                 .matches = {
 512                         DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
 513                         DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
 514                 },
 515         },
 516         { }
 517 };
 518
 519 /*
 520  * On some Asus laptops, just running self tests cause problems.
 521  */
 522 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
 523         {
 524                 .matches = {
 525                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 526                         DMI_MATCH(DMI_PRODUCT_NAME, "A455LD"),
 527                 },
 528         },
 529         {
 530                 .matches = {
 531                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 532                         DMI_MATCH(DMI_PRODUCT_NAME, "K401LB"),
 533                 },
 534         },
 535         {
 536                 .matches = {
 537                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 538                         DMI_MATCH(DMI_PRODUCT_NAME, "K501LB"),
 539                 },
 540         },
 541         {
 542                 .matches = {
 543                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 544                         DMI_MATCH(DMI_PRODUCT_NAME, "K501LX"),
 545                 },
 546         },
 547         {
 548                 .matches = {
 549                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 550                         DMI_MATCH(DMI_PRODUCT_NAME, "R409L"),
 551                 },
 552         },
 553         {
 554                 .matches = {
 555                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 556                         DMI_MATCH(DMI_PRODUCT_NAME, "V502LX"),
 557                 },
 558         },
 559         {
 560                 .matches = {
 561                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 562                         DMI_MATCH(DMI_PRODUCT_NAME, "X302LA"),
 563                 },
 564         },
 565         {
 566                 .matches = {
 567                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 568                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 569                 },
 570         },
 571         {
 572                 .matches = {
 573                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 574                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LD"),
 575                 },
 576         },
 577         {
 578                 .matches = {
 579                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 580                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LAB"),
 581                 },
 582         },
 583         {
 584                 .matches = {
 585                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 586                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LDB"),
 587                 },
 588         },
 589         {
 590                 .matches = {
 591                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 592                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LF"),
 593                 },
 594         },
 595         {
 596                 .matches = {
 597                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 598                         DMI_MATCH(DMI_PRODUCT_NAME, "Z450LA"),
 599                 },
 600         },
 601         { }
 602 };
 603 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 604         {
 605                 /* MSI Wind U-100 */
 606                 .matches = {
 607                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 608                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 609                 },
 610         },
 611         {
 612                 /* LG Electronics X110 */
 613                 .matches = {
 614                         DMI_MATCH(DMI_BOARD_NAME, "X110"),
 615                         DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
 616                 },
 617         },
 618         {
 619                 /* Acer Aspire One 150 */
 620                 .matches = {
 621                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 622                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
 623                 },
 624         },
 625         {
 626                 /* Advent 4211 */
 627                 .matches = {
 628                         DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
 629                         DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
 630                 },
 631         },
 632         {
 633                 /* Medion Akoya Mini E1210 */
 634                 .matches = {
 635                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 636                         DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
 637                 },
 638         },
 639         {
 640                 /* Medion Akoya E1222 */
 641                 .matches = {
 642                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 643                         DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
 644                 },
 645         },
 646         {
 647                 /* Mivvy M310 */
 648                 .matches = {
 649                         DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
 650                         DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
 651                 },
 652         },
 653         {
 654                 /* Dell Vostro 1320 */
 655                 .matches = {
 656                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 657                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
 658                 },
 659         },
 660         {
 661                 /* Dell Vostro 1520 */
 662                 .matches = {
 663                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 664                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
 665                 },
 666         },
 667         {
 668                 /* Dell Vostro 1720 */
 669                 .matches = {
 670                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 671                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
 672                 },
 673         },
 674         {
 675                 /* Lenovo Ideapad U455 */
 676                 .matches = {
 677                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 678                         DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
 679                 },
 680         },
 681         { }
 682 };
 683
 684 #ifdef CONFIG_PNP
 685 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
 686         {
 687                 /* Intel MBO Desktop D845PESV */
 688                 .matches = {
 689                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 690                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 691                 },
 692         },
 693         {
 694                 /*
 695                  * Intel NUC D54250WYK - does not have i8042 controller but
 696                  * declares PS/2 devices in DSDT.
 697                  */
 698                 .matches = {
 699                         DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
 700                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 701                 },
 702         },
 703         {
 704                 /* MSI Wind U-100 */
 705                 .matches = {
 706                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 707                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 708                 },
 709         },
 710         { }
 711 };
 712
 713 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
 714         {
 715                 .matches = {
 716                         DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
 717                 },
 718         },
 719         {
 720                 .matches = {
 721                         DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
 722                 },
 723         },
 724         {
 725                 .matches = {
 726                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 727                 },
 728         },
 729         {
 730                 .matches = {
 731                         DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
 732                 },
 733         },
 734         { }
 735 };
 736 #endif
 737
 738 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 739         {
 740                 /* Dell Vostro V13 */
 741                 .matches = {
 742                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 743                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 744                 },
 745         },
 746         {
 747                 /* Newer HP Pavilion dv4 models */
 748                 .matches = {
 749                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 750                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 751                 },
 752         },
 753         {
 754                 /* Fujitsu A544 laptop */
 755                 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 756                 .matches = {
 757                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 758                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
 759                 },
 760         },
 761         {
 762                 /* Fujitsu AH544 laptop */
 763                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 764                 .matches = {
 765                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 766                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
 767                 },
 768         },
 769         {
 770                 /* Fujitsu U574 laptop */
 771                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 772                 .matches = {
 773                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 774                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
 775                 },
 776         },
 777         { }
 778 };
 779
 780 /*
 781  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 782  * keyboard extension' to make their extra keys start generating scancodes.
 783  * Originally, this was just confined to older laptops, but a few Acer laptops
 784  * have turned up in 2007 that also need this again.
 785  */
 786 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
 787         {
 788                 /* Acer Aspire 5100 */
 789                 .matches = {
 790                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 791                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 792                 },
 793         },
 794         {
 795                 /* Acer Aspire 5610 */
 796                 .matches = {
 797                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 798                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 799                 },
 800         },
 801         {
 802                 /* Acer Aspire 5630 */
 803                 .matches = {
 804                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 805                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 806                 },
 807         },
 808         {
 809                 /* Acer Aspire 5650 */
 810                 .matches = {
 811                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 812                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 813                 },
 814         },
 815         {
 816                 /* Acer Aspire 5680 */
 817                 .matches = {
 818                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 819                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 820                 },
 821         },
 822         {
 823                 /* Acer Aspire 5720 */
 824                 .matches = {
 825                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 826                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 827                 },
 828         },
 829         {
 830                 /* Acer Aspire 9110 */
 831                 .matches = {
 832                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 833                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 834                 },
 835         },
 836         {
 837                 /* Acer TravelMate 660 */
 838                 .matches = {
 839                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 840                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 841                 },
 842         },
 843         {
 844                 /* Acer TravelMate 2490 */
 845                 .matches = {
 846                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 847                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 848                 },
 849         },
 850         {
 851                 /* Acer TravelMate 4280 */
 852                 .matches = {
 853                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 854                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 855                 },
 856         },
 857         { }
 858 };
 859
 860 /*
 861  * Some laptops need keyboard reset before probing for the trackpad to get
 862  * it detected, initialised & finally work.
 863  */
 864 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
 865         {
 866                 /* Gigabyte P35 v2 - Elantech touchpad */
 867                 .matches = {
 868                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 869                         DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
 870                 },
 871         },
 872                 {
 873                 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
 874                 .matches = {
 875                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 876                         DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
 877                 },
 878         },
 879         {
 880                 /* Gigabyte P34 - Elantech touchpad */
 881                 .matches = {
 882                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 883                         DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 884                 },
 885         },
 886         {
 887                 /* Schenker XMG C504 - Elantech touchpad */
 888                 .matches = {
 889                         DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
 890                         DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
 891                 },
 892         },
 893         { }
 894 };
 895
 896 #endif /* CONFIG_X86 */
 897
 898 #ifdef CONFIG_PNP
 899 #include <linux/pnp.h>
 900
 901 static bool i8042_pnp_kbd_registered;
 902 static unsigned int i8042_pnp_kbd_devices;
 903 static bool i8042_pnp_aux_registered;
 904 static unsigned int i8042_pnp_aux_devices;
 905
 906 static int i8042_pnp_command_reg;
 907 static int i8042_pnp_data_reg;
 908 static int i8042_pnp_kbd_irq;
 909 static int i8042_pnp_aux_irq;
 910
 911 static char i8042_pnp_kbd_name[32];
 912 static char i8042_pnp_aux_name[32];
 913
 914 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
 915 {
 916         strlcpy(dst, "PNP:", dst_size);
 917
 918         while (id) {
 919                 strlcat(dst, " ", dst_size);
 920                 strlcat(dst, id->id, dst_size);
 921                 id = id->next;
 922         }
 923 }
 924
 925 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 926 {
 927         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 928                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 929
 930         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 931                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 932
 933         if (pnp_irq_valid(dev,0))
 934                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 935
 936         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 937         if (strlen(pnp_dev_name(dev))) {
 938                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 939                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 940         }
 941         i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
 942                                sizeof(i8042_kbd_firmware_id));
 943
 944         /* Keyboard ports are always supposed to be wakeup-enabled */
 945         device_set_wakeup_enable(&dev->dev, true);
 946
 947         i8042_pnp_kbd_devices++;
 948         return 0;
 949 }
 950
 951 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 952 {
 953         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 954                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 955
 956         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 957                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 958
 959         if (pnp_irq_valid(dev, 0))
 960                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 961
 962         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 963         if (strlen(pnp_dev_name(dev))) {
 964                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 965                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 966         }
 967         i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
 968                                sizeof(i8042_aux_firmware_id));
 969
 970         i8042_pnp_aux_devices++;
 971         return 0;
 972 }
 973
 974 static struct pnp_device_id pnp_kbd_devids[] = {
 975         { .id = "PNP0300", .driver_data = 0 },
 976         { .id = "PNP0301", .driver_data = 0 },
 977         { .id = "PNP0302", .driver_data = 0 },
 978         { .id = "PNP0303", .driver_data = 0 },
 979         { .id = "PNP0304", .driver_data = 0 },
 980         { .id = "PNP0305", .driver_data = 0 },
 981         { .id = "PNP0306", .driver_data = 0 },
 982         { .id = "PNP0309", .driver_data = 0 },
 983         { .id = "PNP030a", .driver_data = 0 },
 984         { .id = "PNP030b", .driver_data = 0 },
 985         { .id = "PNP0320", .driver_data = 0 },
 986         { .id = "PNP0343", .driver_data = 0 },
 987         { .id = "PNP0344", .driver_data = 0 },
 988         { .id = "PNP0345", .driver_data = 0 },
 989         { .id = "CPQA0D7", .driver_data = 0 },
 990         { .id = "", },
 991 };
 992 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
 993
 994 static struct pnp_driver i8042_pnp_kbd_driver = {
 995         .name           = "i8042 kbd",
 996         .id_table       = pnp_kbd_devids,
 997         .probe          = i8042_pnp_kbd_probe,
 998 };
 999
1000 static struct pnp_device_id pnp_aux_devids[] = {
1001         { .id = "AUI0200", .driver_data = 0 },
1002         { .id = "FJC6000", .driver_data = 0 },
1003         { .id = "FJC6001", .driver_data = 0 },
1004         { .id = "PNP0f03", .driver_data = 0 },
1005         { .id = "PNP0f0b", .driver_data = 0 },
1006         { .id = "PNP0f0e", .driver_data = 0 },
1007         { .id = "PNP0f12", .driver_data = 0 },
1008         { .id = "PNP0f13", .driver_data = 0 },
1009         { .id = "PNP0f19", .driver_data = 0 },
1010         { .id = "PNP0f1c", .driver_data = 0 },
1011         { .id = "SYN0801", .driver_data = 0 },
1012         { .id = "", },
1013 };
1014 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1015
1016 static struct pnp_driver i8042_pnp_aux_driver = {
1017         .name           = "i8042 aux",
1018         .id_table       = pnp_aux_devids,
1019         .probe          = i8042_pnp_aux_probe,
1020 };
1021
1022 static void i8042_pnp_exit(void)
1023 {
1024         if (i8042_pnp_kbd_registered) {
1025                 i8042_pnp_kbd_registered = false;
1026                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1027         }
1028
1029         if (i8042_pnp_aux_registered) {
1030                 i8042_pnp_aux_registered = false;
1031                 pnp_unregister_driver(&i8042_pnp_aux_driver);
1032         }
1033 }
1034
1035 static int __init i8042_pnp_init(void)
1036 {
1037         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1038         bool pnp_data_busted = false;
1039         int err;
1040
1041 #ifdef CONFIG_X86
1042         if (dmi_check_system(i8042_dmi_nopnp_table))
1043                 i8042_nopnp = true;
1044 #endif
1045
1046         if (i8042_nopnp) {
1047                 pr_info("PNP detection disabled\n");
1048                 return 0;
1049         }
1050
1051         err = pnp_register_driver(&i8042_pnp_kbd_driver);
1052         if (!err)
1053                 i8042_pnp_kbd_registered = true;
1054
1055         err = pnp_register_driver(&i8042_pnp_aux_driver);
1056         if (!err)
1057                 i8042_pnp_aux_registered = true;
1058
1059         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1060                 i8042_pnp_exit();
1061 #if defined(__ia64__)
1062                 return -ENODEV;
1063 #else
1064                 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
1065                 return 0;
1066 #endif
1067         }
1068
1069         if (i8042_pnp_kbd_devices)
1070                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1071                         "%d", i8042_pnp_kbd_irq);
1072         if (i8042_pnp_aux_devices)
1073                 snprintf(aux_irq_str, sizeof(aux_irq_str),
1074                         "%d", i8042_pnp_aux_irq);
1075
1076         pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1077                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1078                 i8042_pnp_aux_name,
1079                 i8042_pnp_data_reg, i8042_pnp_command_reg,
1080                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1081                 aux_irq_str);
1082
1083 #if defined(__ia64__)
1084         if (!i8042_pnp_kbd_devices)
1085                 i8042_nokbd = true;
1086         if (!i8042_pnp_aux_devices)
1087                 i8042_noaux = true;
1088 #endif
1089
1090         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1091               i8042_pnp_data_reg != i8042_data_reg) ||
1092             !i8042_pnp_data_reg) {
1093                 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1094                         i8042_pnp_data_reg, i8042_data_reg);
1095                 i8042_pnp_data_reg = i8042_data_reg;
1096                 pnp_data_busted = true;
1097         }
1098
1099         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1100               i8042_pnp_command_reg != i8042_command_reg) ||
1101             !i8042_pnp_command_reg) {
1102                 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1103                         i8042_pnp_command_reg, i8042_command_reg);
1104                 i8042_pnp_command_reg = i8042_command_reg;
1105                 pnp_data_busted = true;
1106         }
1107
1108         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1109                 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1110                         i8042_kbd_irq);
1111                 i8042_pnp_kbd_irq = i8042_kbd_irq;
1112                 pnp_data_busted = true;
1113         }
1114
1115         if (!i8042_noaux && !i8042_pnp_aux_irq) {
1116                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1117                         pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1118                                 "if this is incorrect please boot with i8042.nopnp\n");
1119                         i8042_noaux = true;
1120                 } else {
1121                         pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1122                                 i8042_aux_irq);
1123                         i8042_pnp_aux_irq = i8042_aux_irq;
1124                 }
1125         }
1126
1127         i8042_data_reg = i8042_pnp_data_reg;
1128         i8042_command_reg = i8042_pnp_command_reg;
1129         i8042_kbd_irq = i8042_pnp_kbd_irq;
1130         i8042_aux_irq = i8042_pnp_aux_irq;
1131
1132 #ifdef CONFIG_X86
1133         i8042_bypass_aux_irq_test = !pnp_data_busted &&
1134                                     dmi_check_system(i8042_dmi_laptop_table);
1135 #endif
1136
1137         return 0;
1138 }
1139
1140 #else
1141 static inline int i8042_pnp_init(void) { return 0; }
1142 static inline void i8042_pnp_exit(void) { }
1143 #endif
1144
1145 static int __init i8042_platform_init(void)
1146 {
1147         int retval;
1148
1149 #ifdef CONFIG_X86
1150         u8 a20_on = 0xdf;
1151         /* Just return if pre-detection shows no i8042 controller exist */
1152         if (!x86_platform.i8042_detect())
1153                 return -ENODEV;
1154 #endif
1155
1156 /*
1157  * On ix86 platforms touching the i8042 data register region can do really
1158  * bad things. Because of this the region is always reserved on ix86 boxes.
1159  *
1160  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
1161  *              return -EBUSY;
1162  */
1163
1164         i8042_kbd_irq = I8042_MAP_IRQ(1);
1165         i8042_aux_irq = I8042_MAP_IRQ(12);
1166
1167         retval = i8042_pnp_init();
1168         if (retval)
1169                 return retval;
1170
1171 #if defined(__ia64__)
1172         i8042_reset = I8042_RESET_ALWAYS;
1173 #endif
1174
1175 #ifdef CONFIG_X86
1176         /* Honor module parameter when value is not default */
1177         if (i8042_reset == I8042_RESET_DEFAULT) {
1178                 if (dmi_check_system(i8042_dmi_reset_table))
1179                         i8042_reset = I8042_RESET_ALWAYS;
1180
1181                 if (dmi_check_system(i8042_dmi_noselftest_table))
1182                         i8042_reset = I8042_RESET_NEVER;
1183         }
1184
1185         if (dmi_check_system(i8042_dmi_noloop_table))
1186                 i8042_noloop = true;
1187
1188         if (dmi_check_system(i8042_dmi_nomux_table))
1189                 i8042_nomux = true;
1190
1191         if (dmi_check_system(i8042_dmi_notimeout_table))
1192                 i8042_notimeout = true;
1193
1194         if (dmi_check_system(i8042_dmi_dritek_table))
1195                 i8042_dritek = true;
1196
1197         if (dmi_check_system(i8042_dmi_kbdreset_table))
1198                 i8042_kbdreset = true;
1199
1200         /*
1201          * A20 was already enabled during early kernel init. But some buggy
1202          * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1203          * resume from S3. So we do it here and hope that nothing breaks.
1204          */
1205         i8042_command(&a20_on, 0x10d1);
1206         i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
1207 #endif /* CONFIG_X86 */
1208
1209         return retval;
1210 }
1211
1212 static inline void i8042_platform_exit(void)
1213 {
1214         i8042_pnp_exit();
1215 }
1216
1217 #endif /* _I8042_X86IA64IO_H */