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                 /* Dell Embedded Box PC 3000 */
 124                 .matches = {
 125                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 126                         DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
 127                 },
 128         },
 129         {
 130                 /* OQO Model 01 */
 131                 .matches = {
 132                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
 133                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
 134                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
 135                 },
 136         },
 137         {
 138                 /* ULI EV4873 - AUX LOOP does not work properly */
 139                 .matches = {
 140                         DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
 141                         DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
 142                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 143                 },
 144         },
 145         {
 146                 /* Microsoft Virtual Machine */
 147                 .matches = {
 148                         DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 149                         DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
 150                         DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 151                 },
 152         },
 153         {
 154                 /* Medion MAM 2070 */
 155                 .matches = {
 156                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 157                         DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
 158                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 159                 },
 160         },
 161         {
 162                 /* Medion Akoya E7225 */
 163                 .matches = {
 164                         DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
 165                         DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
 166                         DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
 167                 },
 168         },
 169         {
 170                 /* Blue FB5601 */
 171                 .matches = {
 172                         DMI_MATCH(DMI_SYS_VENDOR, "blue"),
 173                         DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
 174                         DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
 175                 },
 176         },
 177         {
 178                 /* Gigabyte M912 */
 179                 .matches = {
 180                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 181                         DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
 182                         DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
 183                 },
 184         },
 185         {
 186                 /* Gigabyte M1022M netbook */
 187                 .matches = {
 188                         DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
 189                         DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
 190                         DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
 191                 },
 192         },
 193         {
 194                 /* Gigabyte Spring Peak - defines wrong chassis type */
 195                 .matches = {
 196                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 197                         DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
 198                 },
 199         },
 200         {
 201                 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
 202                 .matches = {
 203                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 204                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
 205                 },
 206         },
 207         {
 208                 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
 209                 .matches = {
 210                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 211                         DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
 212                 },
 213         },
 214         {
 215                 .matches = {
 216                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 217                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
 218                         DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
 219                 },
 220         },
 221         {
 222                 .matches = {
 223                         DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
 224                         DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
 225                 },
 226         },
 227         {
 228                 .matches = {
 229                         DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
 230                         DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
 231                 },
 232         },
 233         { }
 234 };
 235
 236 /*
 237  * Some Fujitsu notebooks are having trouble with touchpads if
 238  * active multiplexing mode is activated. Luckily they don't have
 239  * external PS/2 ports so we can safely disable it.
 240  * ... apparently some Toshibas don't like MUX mode either and
 241  * die horrible death on reboot.
 242  */
 243 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 244         {
 245                 /* Fujitsu Lifebook P7010/P7010D */
 246                 .matches = {
 247                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 248                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 249                 },
 250         },
 251         {
 252                 /* Fujitsu Lifebook P7010 */
 253                 .matches = {
 254                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 255                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 256                 },
 257         },
 258         {
 259                 /* Fujitsu Lifebook P5020D */
 260                 .matches = {
 261                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 262                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 263                 },
 264         },
 265         {
 266                 /* Fujitsu Lifebook S2000 */
 267                 .matches = {
 268                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 269                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 270                 },
 271         },
 272         {
 273                 /* Fujitsu Lifebook S6230 */
 274                 .matches = {
 275                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 276                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 277                 },
 278         },
 279         {
 280                 /* Fujitsu Lifebook U745 */
 281                 .matches = {
 282                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 283                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
 284                 },
 285         },
 286         {
 287                 /* Fujitsu T70H */
 288                 .matches = {
 289                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 290                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 291                 },
 292         },
 293         {
 294                 /* Fujitsu-Siemens Lifebook T3010 */
 295                 .matches = {
 296                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 297                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 298                 },
 299         },
 300         {
 301                 /* Fujitsu-Siemens Lifebook E4010 */
 302                 .matches = {
 303                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 304                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 305                 },
 306         },
 307         {
 308                 /* Fujitsu-Siemens Amilo Pro 2010 */
 309                 .matches = {
 310                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 311                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 312                 },
 313         },
 314         {
 315                 /* Fujitsu-Siemens Amilo Pro 2030 */
 316                 .matches = {
 317                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 318                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 319                 },
 320         },
 321         {
 322                 /*
 323                  * No data is coming from the touchscreen unless KBC
 324                  * is in legacy mode.
 325                  */
 326                 /* Panasonic CF-29 */
 327                 .matches = {
 328                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 329                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 330                 },
 331         },
 332         {
 333                 /*
 334                  * HP Pavilion DV4017EA -
 335                  * errors on MUX ports are reported without raising AUXDATA
 336                  * causing "spurious NAK" messages.
 337                  */
 338                 .matches = {
 339                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 340                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 341                 },
 342         },
 343         {
 344                 /*
 345                  * HP Pavilion ZT1000 -
 346                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 347                  */
 348                 .matches = {
 349                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 350                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 351                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 352                 },
 353         },
 354         {
 355                 /*
 356                  * HP Pavilion DV4270ca -
 357                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 358                  */
 359                 .matches = {
 360                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 361                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 362                 },
 363         },
 364         {
 365                 .matches = {
 366                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 367                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 368                 },
 369         },
 370         {
 371                 .matches = {
 372                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 373                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 374                 },
 375         },
 376         {
 377                 .matches = {
 378                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 379                         DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
 380                 },
 381         },
 382         {
 383                 .matches = {
 384                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 385                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 386                 },
 387         },
 388         {
 389                 /* Sharp Actius MM20 */
 390                 .matches = {
 391                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 392                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 393                 },
 394         },
 395         {
 396                 /* Sony Vaio FS-115b */
 397                 .matches = {
 398                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 399                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 400                 },
 401         },
 402         {
 403                 /*
 404                  * Sony Vaio FZ-240E -
 405                  * reset and GET ID commands issued via KBD port are
 406                  * sometimes being delivered to AUX3.
 407                  */
 408                 .matches = {
 409                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 410                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
 411                 },
 412         },
 413         {
 414                 /*
 415                  * Most (all?) VAIOs do not have external PS/2 ports nor
 416                  * they implement active multiplexing properly, and
 417                  * MUX discovery usually messes up keyboard/touchpad.
 418                  */
 419                 .matches = {
 420                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 421                         DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
 422                 },
 423         },
 424         {
 425                 /* Amoi M636/A737 */
 426                 .matches = {
 427                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 428                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 429                 },
 430         },
 431         {
 432                 /* Lenovo 3000 n100 */
 433                 .matches = {
 434                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 435                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 436                 },
 437         },
 438         {
 439                 /* Lenovo XiaoXin Air 12 */
 440                 .matches = {
 441                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 442                         DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
 443                 },
 444         },
 445         {
 446                 .matches = {
 447                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 448                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 449                 },
 450         },
 451         {
 452                 /* Acer Aspire 5710 */
 453                 .matches = {
 454                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 455                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
 456                 },
 457         },
 458         {
 459                 /* Acer Aspire 7738 */
 460                 .matches = {
 461                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 462                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
 463                 },
 464         },
 465         {
 466                 /* Gericom Bellagio */
 467                 .matches = {
 468                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 469                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 470                 },
 471         },
 472         {
 473                 /* IBM 2656 */
 474                 .matches = {
 475                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 476                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 477                 },
 478         },
 479         {
 480                 /* Dell XPS M1530 */
 481                 .matches = {
 482                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 483                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 484                 },
 485         },
 486         {
 487                 /* Compal HEL80I */
 488                 .matches = {
 489                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 490                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 491                 },
 492         },
 493         {
 494                 /* Dell Vostro 1510 */
 495                 .matches = {
 496                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 497                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 498                 },
 499         },
 500         {
 501                 /* Acer Aspire 5536 */
 502                 .matches = {
 503                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 504                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
 505                         DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
 506                 },
 507         },
 508         {
 509                 /* Dell Vostro V13 */
 510                 .matches = {
 511                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 512                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 513                 },
 514         },
 515         {
 516                 /* Newer HP Pavilion dv4 models */
 517                 .matches = {
 518                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 519                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 520                 },
 521         },
 522         {
 523                 /* Asus X450LCP */
 524                 .matches = {
 525                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 526                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 527                 },
 528         },
 529         {
 530                 /* Avatar AVIU-145A6 */
 531                 .matches = {
 532                         DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
 533                         DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
 534                 },
 535         },
 536         {
 537                 /* TUXEDO BU1406 */
 538                 .matches = {
 539                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 540                         DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
 541                 },
 542         },
 543         {
 544                 /* Lenovo LaVie Z */
 545                 .matches = {
 546                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 547                         DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
 548                 },
 549         },
 550         {
 551                 /*
 552                  * Acer Aspire 5738z
 553                  * Touchpad stops working in mux mode when dis- + re-enabled
 554                  * with the touchpad enable/disable toggle hotkey
 555                  */
 556                 .matches = {
 557                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 558                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
 559                 },
 560         },
 561         {
 562                 /* Entroware Proteus */
 563                 .matches = {
 564                         DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
 565                         DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
 566                         DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
 567                 },
 568         },
 569         { }
 570 };
 571
 572 static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
 573         {
 574                 /*
 575                  * Sony Vaio VGN-CS series require MUX or the touch sensor
 576                  * buttons will disturb touchpad operation
 577                  */
 578                 .matches = {
 579                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 580                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
 581                 },
 582         },
 583         { }
 584 };
 585
 586 /*
 587  * On some Asus laptops, just running self tests cause problems.
 588  */
 589 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
 590         {
 591                 .matches = {
 592                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 593                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 594                 },
 595         }, {
 596                 .matches = {
 597                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 598                         DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
 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                 .matches = {
 627                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 628                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
 629                 },
 630         },
 631         {
 632                 .matches = {
 633                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 634                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
 635                 },
 636         },
 637         {
 638                 .matches = {
 639                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 640                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
 641                 },
 642         },
 643         {
 644                 .matches = {
 645                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 646                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
 647                 },
 648         },
 649         {
 650                 .matches = {
 651                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 652                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
 653                 },
 654         },
 655         {
 656                 .matches = {
 657                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 658                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
 659                 },
 660         },
 661         {
 662                 .matches = {
 663                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 664                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
 665                 },
 666         },
 667         {
 668                 /* Advent 4211 */
 669                 .matches = {
 670                         DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
 671                         DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
 672                 },
 673         },
 674         {
 675                 /* Medion Akoya Mini E1210 */
 676                 .matches = {
 677                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 678                         DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
 679                 },
 680         },
 681         {
 682                 /* Medion Akoya E1222 */
 683                 .matches = {
 684                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 685                         DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
 686                 },
 687         },
 688         {
 689                 /* Mivvy M310 */
 690                 .matches = {
 691                         DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
 692                         DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
 693                 },
 694         },
 695         {
 696                 /* Dell Vostro 1320 */
 697                 .matches = {
 698                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 699                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
 700                 },
 701         },
 702         {
 703                 /* Dell Vostro 1520 */
 704                 .matches = {
 705                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 706                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
 707                 },
 708         },
 709         {
 710                 /* Dell Vostro 1720 */
 711                 .matches = {
 712                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 713                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
 714                 },
 715         },
 716         {
 717                 /* Lenovo Ideapad U455 */
 718                 .matches = {
 719                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 720                         DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
 721                 },
 722         },
 723         {
 724                 /* Lenovo ThinkPad L460 */
 725                 .matches = {
 726                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 727                         DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
 728                 },
 729         },
 730         {
 731                 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
 732                 .matches = {
 733                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 734                         DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
 735                 },
 736         },
 737         {
 738                 /* Lenovo ThinkPad Twist S230u */
 739                 .matches = {
 740                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 741                         DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
 742                 },
 743         },
 744         {
 745                 /* Entroware Proteus */
 746                 .matches = {
 747                         DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
 748                         DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
 749                         DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
 750                 },
 751         },
 752         { }
 753 };
 754
 755 #ifdef CONFIG_PNP
 756 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
 757         {
 758                 /* Intel MBO Desktop D845PESV */
 759                 .matches = {
 760                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 761                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 762                 },
 763         },
 764         {
 765                 /*
 766                  * Intel NUC D54250WYK - does not have i8042 controller but
 767                  * declares PS/2 devices in DSDT.
 768                  */
 769                 .matches = {
 770                         DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
 771                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 772                 },
 773         },
 774         {
 775                 /* MSI Wind U-100 */
 776                 .matches = {
 777                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 778                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 779                 },
 780         },
 781         {
 782                 /* Acer Aspire 5 A515 */
 783                 .matches = {
 784                         DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
 785                         DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
 786                 },
 787         },
 788         { }
 789 };
 790
 791 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
 792         {
 793                 .matches = {
 794                         DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
 795                 },
 796         },
 797         {
 798                 .matches = {
 799                         DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
 800                 },
 801         },
 802         {
 803                 .matches = {
 804                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 805                 },
 806         },
 807         {
 808                 .matches = {
 809                         DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
 810                 },
 811         },
 812         { }
 813 };
 814 #endif
 815
 816 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 817         {
 818                 /* Dell Vostro V13 */
 819                 .matches = {
 820                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 821                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 822                 },
 823         },
 824         {
 825                 /* Newer HP Pavilion dv4 models */
 826                 .matches = {
 827                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 828                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 829                 },
 830         },
 831         {
 832                 /* Fujitsu A544 laptop */
 833                 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 834                 .matches = {
 835                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 836                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
 837                 },
 838         },
 839         {
 840                 /* Fujitsu AH544 laptop */
 841                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 842                 .matches = {
 843                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 844                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
 845                 },
 846         },
 847         {
 848                 /* Fujitsu U574 laptop */
 849                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 850                 .matches = {
 851                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 852                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
 853                 },
 854         },
 855         {
 856                 /* Fujitsu UH554 laptop */
 857                 .matches = {
 858                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 859                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
 860                 },
 861         },
 862         { }
 863 };
 864
 865 /*
 866  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 867  * keyboard extension' to make their extra keys start generating scancodes.
 868  * Originally, this was just confined to older laptops, but a few Acer laptops
 869  * have turned up in 2007 that also need this again.
 870  */
 871 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
 872         {
 873                 /* Acer Aspire 5100 */
 874                 .matches = {
 875                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 876                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 877                 },
 878         },
 879         {
 880                 /* Acer Aspire 5610 */
 881                 .matches = {
 882                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 883                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 884                 },
 885         },
 886         {
 887                 /* Acer Aspire 5630 */
 888                 .matches = {
 889                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 890                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 891                 },
 892         },
 893         {
 894                 /* Acer Aspire 5650 */
 895                 .matches = {
 896                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 897                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 898                 },
 899         },
 900         {
 901                 /* Acer Aspire 5680 */
 902                 .matches = {
 903                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 904                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 905                 },
 906         },
 907         {
 908                 /* Acer Aspire 5720 */
 909                 .matches = {
 910                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 911                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 912                 },
 913         },
 914         {
 915                 /* Acer Aspire 9110 */
 916                 .matches = {
 917                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 918                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 919                 },
 920         },
 921         {
 922                 /* Acer TravelMate 660 */
 923                 .matches = {
 924                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 925                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 926                 },
 927         },
 928         {
 929                 /* Acer TravelMate 2490 */
 930                 .matches = {
 931                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 932                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 933                 },
 934         },
 935         {
 936                 /* Acer TravelMate 4280 */
 937                 .matches = {
 938                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 939                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 940                 },
 941         },
 942         { }
 943 };
 944
 945 /*
 946  * Some laptops need keyboard reset before probing for the trackpad to get
 947  * it detected, initialised & finally work.
 948  */
 949 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
 950         {
 951                 /* Gigabyte P35 v2 - Elantech touchpad */
 952                 .matches = {
 953                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 954                         DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
 955                 },
 956         },
 957                 {
 958                 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
 959                 .matches = {
 960                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 961                         DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
 962                 },
 963         },
 964         {
 965                 /* Gigabyte P34 - Elantech touchpad */
 966                 .matches = {
 967                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 968                         DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 969                 },
 970         },
 971         {
 972                 /* Gigabyte P57 - Elantech touchpad */
 973                 .matches = {
 974                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 975                         DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
 976                 },
 977         },
 978         {
 979                 /* Schenker XMG C504 - Elantech touchpad */
 980                 .matches = {
 981                         DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
 982                         DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
 983                 },
 984         },
 985         { }
 986 };
 987
 988 #endif /* CONFIG_X86 */
 989
 990 #ifdef CONFIG_PNP
 991 #include <linux/pnp.h>
 992
 993 static bool i8042_pnp_kbd_registered;
 994 static unsigned int i8042_pnp_kbd_devices;
 995 static bool i8042_pnp_aux_registered;
 996 static unsigned int i8042_pnp_aux_devices;
 997
 998 static int i8042_pnp_command_reg;
 999 static int i8042_pnp_data_reg;
1000 static int i8042_pnp_kbd_irq;
1001 static int i8042_pnp_aux_irq;
1002
1003 static char i8042_pnp_kbd_name[32];
1004 static char i8042_pnp_aux_name[32];
1005
1006 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1007 {
1008         strlcpy(dst, "PNP:", dst_size);
1009
1010         while (id) {
1011                 strlcat(dst, " ", dst_size);
1012                 strlcat(dst, id->id, dst_size);
1013                 id = id->next;
1014         }
1015 }
1016
1017 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1018 {
1019         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1020                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1021
1022         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1023                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1024
1025         if (pnp_irq_valid(dev,0))
1026                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1027
1028         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1029         if (strlen(pnp_dev_name(dev))) {
1030                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1031                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1032         }
1033         i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1034                                sizeof(i8042_kbd_firmware_id));
1035
1036         /* Keyboard ports are always supposed to be wakeup-enabled */
1037         device_set_wakeup_enable(&dev->dev, true);
1038
1039         i8042_pnp_kbd_devices++;
1040         return 0;
1041 }
1042
1043 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1044 {
1045         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1046                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1047
1048         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1049                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1050
1051         if (pnp_irq_valid(dev, 0))
1052                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
1053
1054         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1055         if (strlen(pnp_dev_name(dev))) {
1056                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1057                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1058         }
1059         i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1060                                sizeof(i8042_aux_firmware_id));
1061
1062         i8042_pnp_aux_devices++;
1063         return 0;
1064 }
1065
1066 static const struct pnp_device_id pnp_kbd_devids[] = {
1067         { .id = "PNP0300", .driver_data = 0 },
1068         { .id = "PNP0301", .driver_data = 0 },
1069         { .id = "PNP0302", .driver_data = 0 },
1070         { .id = "PNP0303", .driver_data = 0 },
1071         { .id = "PNP0304", .driver_data = 0 },
1072         { .id = "PNP0305", .driver_data = 0 },
1073         { .id = "PNP0306", .driver_data = 0 },
1074         { .id = "PNP0309", .driver_data = 0 },
1075         { .id = "PNP030a", .driver_data = 0 },
1076         { .id = "PNP030b", .driver_data = 0 },
1077         { .id = "PNP0320", .driver_data = 0 },
1078         { .id = "PNP0343", .driver_data = 0 },
1079         { .id = "PNP0344", .driver_data = 0 },
1080         { .id = "PNP0345", .driver_data = 0 },
1081         { .id = "CPQA0D7", .driver_data = 0 },
1082         { .id = "", },
1083 };
1084 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1085
1086 static struct pnp_driver i8042_pnp_kbd_driver = {
1087         .name           = "i8042 kbd",
1088         .id_table       = pnp_kbd_devids,
1089         .probe          = i8042_pnp_kbd_probe,
1090         .driver         = {
1091                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1092                 .suppress_bind_attrs = true,
1093         },
1094 };
1095
1096 static const struct pnp_device_id pnp_aux_devids[] = {
1097         { .id = "AUI0200", .driver_data = 0 },
1098         { .id = "FJC6000", .driver_data = 0 },
1099         { .id = "FJC6001", .driver_data = 0 },
1100         { .id = "PNP0f03", .driver_data = 0 },
1101         { .id = "PNP0f0b", .driver_data = 0 },
1102         { .id = "PNP0f0e", .driver_data = 0 },
1103         { .id = "PNP0f12", .driver_data = 0 },
1104         { .id = "PNP0f13", .driver_data = 0 },
1105         { .id = "PNP0f19", .driver_data = 0 },
1106         { .id = "PNP0f1c", .driver_data = 0 },
1107         { .id = "SYN0801", .driver_data = 0 },
1108         { .id = "", },
1109 };
1110 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1111
1112 static struct pnp_driver i8042_pnp_aux_driver = {
1113         .name           = "i8042 aux",
1114         .id_table       = pnp_aux_devids,
1115         .probe          = i8042_pnp_aux_probe,
1116         .driver         = {
1117                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1118                 .suppress_bind_attrs = true,
1119         },
1120 };
1121
1122 static void i8042_pnp_exit(void)
1123 {
1124         if (i8042_pnp_kbd_registered) {
1125                 i8042_pnp_kbd_registered = false;
1126                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1127         }
1128
1129         if (i8042_pnp_aux_registered) {
1130                 i8042_pnp_aux_registered = false;
1131                 pnp_unregister_driver(&i8042_pnp_aux_driver);
1132         }
1133 }
1134
1135 static int __init i8042_pnp_init(void)
1136 {
1137         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1138         bool pnp_data_busted = false;
1139         int err;
1140
1141 #ifdef CONFIG_X86
1142         if (dmi_check_system(i8042_dmi_nopnp_table))
1143                 i8042_nopnp = true;
1144 #endif
1145
1146         if (i8042_nopnp) {
1147                 pr_info("PNP detection disabled\n");
1148                 return 0;
1149         }
1150
1151         err = pnp_register_driver(&i8042_pnp_kbd_driver);
1152         if (!err)
1153                 i8042_pnp_kbd_registered = true;
1154
1155         err = pnp_register_driver(&i8042_pnp_aux_driver);
1156         if (!err)
1157                 i8042_pnp_aux_registered = true;
1158
1159         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1160                 i8042_pnp_exit();
1161 #if defined(__ia64__)
1162                 return -ENODEV;
1163 #else
1164                 pr_info("PNP: No PS/2 controller found.\n");
1165                 if (x86_platform.legacy.i8042 !=
1166                                 X86_LEGACY_I8042_EXPECTED_PRESENT)
1167                         return -ENODEV;
1168                 pr_info("Probing ports directly.\n");
1169                 return 0;
1170 #endif
1171         }
1172
1173         if (i8042_pnp_kbd_devices)
1174                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1175                         "%d", i8042_pnp_kbd_irq);
1176         if (i8042_pnp_aux_devices)
1177                 snprintf(aux_irq_str, sizeof(aux_irq_str),
1178                         "%d", i8042_pnp_aux_irq);
1179
1180         pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1181                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1182                 i8042_pnp_aux_name,
1183                 i8042_pnp_data_reg, i8042_pnp_command_reg,
1184                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1185                 aux_irq_str);
1186
1187 #if defined(__ia64__)
1188         if (!i8042_pnp_kbd_devices)
1189                 i8042_nokbd = true;
1190         if (!i8042_pnp_aux_devices)
1191                 i8042_noaux = true;
1192 #endif
1193
1194         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1195               i8042_pnp_data_reg != i8042_data_reg) ||
1196             !i8042_pnp_data_reg) {
1197                 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1198                         i8042_pnp_data_reg, i8042_data_reg);
1199                 i8042_pnp_data_reg = i8042_data_reg;
1200                 pnp_data_busted = true;
1201         }
1202
1203         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1204               i8042_pnp_command_reg != i8042_command_reg) ||
1205             !i8042_pnp_command_reg) {
1206                 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1207                         i8042_pnp_command_reg, i8042_command_reg);
1208                 i8042_pnp_command_reg = i8042_command_reg;
1209                 pnp_data_busted = true;
1210         }
1211
1212         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1213                 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1214                         i8042_kbd_irq);
1215                 i8042_pnp_kbd_irq = i8042_kbd_irq;
1216                 pnp_data_busted = true;
1217         }
1218
1219         if (!i8042_noaux && !i8042_pnp_aux_irq) {
1220                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1221                         pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1222                                 "if this is incorrect please boot with i8042.nopnp\n");
1223                         i8042_noaux = true;
1224                 } else {
1225                         pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1226                                 i8042_aux_irq);
1227                         i8042_pnp_aux_irq = i8042_aux_irq;
1228                 }
1229         }
1230
1231         i8042_data_reg = i8042_pnp_data_reg;
1232         i8042_command_reg = i8042_pnp_command_reg;
1233         i8042_kbd_irq = i8042_pnp_kbd_irq;
1234         i8042_aux_irq = i8042_pnp_aux_irq;
1235
1236 #ifdef CONFIG_X86
1237         i8042_bypass_aux_irq_test = !pnp_data_busted &&
1238                                     dmi_check_system(i8042_dmi_laptop_table);
1239 #endif
1240
1241         return 0;
1242 }
1243
1244 #else  /* !CONFIG_PNP */
1245 static inline int i8042_pnp_init(void) { return 0; }
1246 static inline void i8042_pnp_exit(void) { }
1247 #endif /* CONFIG_PNP */
1248
1249 static int __init i8042_platform_init(void)
1250 {
1251         int retval;
1252
1253 #ifdef CONFIG_X86
1254         u8 a20_on = 0xdf;
1255         /* Just return if platform does not have i8042 controller */
1256         if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1257                 return -ENODEV;
1258 #endif
1259
1260 /*
1261  * On ix86 platforms touching the i8042 data register region can do really
1262  * bad things. Because of this the region is always reserved on ix86 boxes.
1263  *
1264  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
1265  *              return -EBUSY;
1266  */
1267
1268         i8042_kbd_irq = I8042_MAP_IRQ(1);
1269         i8042_aux_irq = I8042_MAP_IRQ(12);
1270
1271         retval = i8042_pnp_init();
1272         if (retval)
1273                 return retval;
1274
1275 #if defined(__ia64__)
1276         i8042_reset = I8042_RESET_ALWAYS;
1277 #endif
1278
1279 #ifdef CONFIG_X86
1280         /* Honor module parameter when value is not default */
1281         if (i8042_reset == I8042_RESET_DEFAULT) {
1282                 if (dmi_check_system(i8042_dmi_reset_table))
1283                         i8042_reset = I8042_RESET_ALWAYS;
1284
1285                 if (dmi_check_system(i8042_dmi_noselftest_table))
1286                         i8042_reset = I8042_RESET_NEVER;
1287         }
1288
1289         if (dmi_check_system(i8042_dmi_noloop_table))
1290                 i8042_noloop = true;
1291
1292         if (dmi_check_system(i8042_dmi_nomux_table))
1293                 i8042_nomux = true;
1294
1295         if (dmi_check_system(i8042_dmi_forcemux_table))
1296                 i8042_nomux = false;
1297
1298         if (dmi_check_system(i8042_dmi_notimeout_table))
1299                 i8042_notimeout = true;
1300
1301         if (dmi_check_system(i8042_dmi_dritek_table))
1302                 i8042_dritek = true;
1303
1304         if (dmi_check_system(i8042_dmi_kbdreset_table))
1305                 i8042_kbdreset = true;
1306
1307         /*
1308          * A20 was already enabled during early kernel init. But some buggy
1309          * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1310          * resume from S3. So we do it here and hope that nothing breaks.
1311          */
1312         i8042_command(&a20_on, 0x10d1);
1313         i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
1314 #endif /* CONFIG_X86 */
1315
1316         return retval;
1317 }
1318
1319 static inline void i8042_platform_exit(void)
1320 {
1321         i8042_pnp_exit();
1322 }
1323
1324 #endif /* _I8042_X86IA64IO_H */