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 T725 laptop */
 281                 .matches = {
 282                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 283                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
 284                 },
 285         },
 286         {
 287                 /* Fujitsu Lifebook U745 */
 288                 .matches = {
 289                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 290                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
 291                 },
 292         },
 293         {
 294                 /* Fujitsu T70H */
 295                 .matches = {
 296                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 297                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 298                 },
 299         },
 300         {
 301                 /* Fujitsu-Siemens Lifebook T3010 */
 302                 .matches = {
 303                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 304                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 305                 },
 306         },
 307         {
 308                 /* Fujitsu-Siemens Lifebook E4010 */
 309                 .matches = {
 310                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 311                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 312                 },
 313         },
 314         {
 315                 /* Fujitsu-Siemens Amilo Pro 2010 */
 316                 .matches = {
 317                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 318                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 319                 },
 320         },
 321         {
 322                 /* Fujitsu-Siemens Amilo Pro 2030 */
 323                 .matches = {
 324                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 325                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 326                 },
 327         },
 328         {
 329                 /*
 330                  * No data is coming from the touchscreen unless KBC
 331                  * is in legacy mode.
 332                  */
 333                 /* Panasonic CF-29 */
 334                 .matches = {
 335                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 336                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 337                 },
 338         },
 339         {
 340                 /*
 341                  * HP Pavilion DV4017EA -
 342                  * errors on MUX ports are reported without raising AUXDATA
 343                  * causing "spurious NAK" messages.
 344                  */
 345                 .matches = {
 346                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 347                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 348                 },
 349         },
 350         {
 351                 /*
 352                  * HP Pavilion ZT1000 -
 353                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 354                  */
 355                 .matches = {
 356                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 357                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 358                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 359                 },
 360         },
 361         {
 362                 /*
 363                  * HP Pavilion DV4270ca -
 364                  * like DV4017EA does not raise AUXERR for errors on MUX ports.
 365                  */
 366                 .matches = {
 367                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 368                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 369                 },
 370         },
 371         {
 372                 .matches = {
 373                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 374                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 375                 },
 376         },
 377         {
 378                 .matches = {
 379                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 380                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 381                 },
 382         },
 383         {
 384                 .matches = {
 385                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 386                         DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
 387                 },
 388         },
 389         {
 390                 .matches = {
 391                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 392                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 393                 },
 394         },
 395         {
 396                 /* Sharp Actius MM20 */
 397                 .matches = {
 398                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 399                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 400                 },
 401         },
 402         {
 403                 /* Sony Vaio FS-115b */
 404                 .matches = {
 405                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 406                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 407                 },
 408         },
 409         {
 410                 /*
 411                  * Sony Vaio FZ-240E -
 412                  * reset and GET ID commands issued via KBD port are
 413                  * sometimes being delivered to AUX3.
 414                  */
 415                 .matches = {
 416                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 417                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
 418                 },
 419         },
 420         {
 421                 /*
 422                  * Most (all?) VAIOs do not have external PS/2 ports nor
 423                  * they implement active multiplexing properly, and
 424                  * MUX discovery usually messes up keyboard/touchpad.
 425                  */
 426                 .matches = {
 427                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 428                         DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
 429                 },
 430         },
 431         {
 432                 /* Amoi M636/A737 */
 433                 .matches = {
 434                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 435                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 436                 },
 437         },
 438         {
 439                 /* Lenovo 3000 n100 */
 440                 .matches = {
 441                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 442                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 443                 },
 444         },
 445         {
 446                 /* Lenovo XiaoXin Air 12 */
 447                 .matches = {
 448                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 449                         DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
 450                 },
 451         },
 452         {
 453                 .matches = {
 454                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 455                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 456                 },
 457         },
 458         {
 459                 /* Acer Aspire 5710 */
 460                 .matches = {
 461                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 462                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
 463                 },
 464         },
 465         {
 466                 /* Acer Aspire 7738 */
 467                 .matches = {
 468                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 469                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
 470                 },
 471         },
 472         {
 473                 /* Gericom Bellagio */
 474                 .matches = {
 475                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 476                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 477                 },
 478         },
 479         {
 480                 /* IBM 2656 */
 481                 .matches = {
 482                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 483                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 484                 },
 485         },
 486         {
 487                 /* Dell XPS M1530 */
 488                 .matches = {
 489                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 490                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 491                 },
 492         },
 493         {
 494                 /* Compal HEL80I */
 495                 .matches = {
 496                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 497                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 498                 },
 499         },
 500         {
 501                 /* Dell Vostro 1510 */
 502                 .matches = {
 503                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 504                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 505                 },
 506         },
 507         {
 508                 /* Acer Aspire 5536 */
 509                 .matches = {
 510                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 511                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
 512                         DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
 513                 },
 514         },
 515         {
 516                 /* Dell Vostro V13 */
 517                 .matches = {
 518                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 519                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 520                 },
 521         },
 522         {
 523                 /* Newer HP Pavilion dv4 models */
 524                 .matches = {
 525                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 526                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 527                 },
 528         },
 529         {
 530                 /* Asus X450LCP */
 531                 .matches = {
 532                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 533                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 534                 },
 535         },
 536         {
 537                 /* Avatar AVIU-145A6 */
 538                 .matches = {
 539                         DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
 540                         DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
 541                 },
 542         },
 543         {
 544                 /* TUXEDO BU1406 */
 545                 .matches = {
 546                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 547                         DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
 548                 },
 549         },
 550         {
 551                 /* Lenovo LaVie Z */
 552                 .matches = {
 553                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 554                         DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
 555                 },
 556         },
 557         {
 558                 /*
 559                  * Acer Aspire 5738z
 560                  * Touchpad stops working in mux mode when dis- + re-enabled
 561                  * with the touchpad enable/disable toggle hotkey
 562                  */
 563                 .matches = {
 564                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 565                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
 566                 },
 567         },
 568         {
 569                 /* Entroware Proteus */
 570                 .matches = {
 571                         DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
 572                         DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
 573                         DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
 574                 },
 575         },
 576         { }
 577 };
 578
 579 static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
 580         {
 581                 /*
 582                  * Sony Vaio VGN-CS series require MUX or the touch sensor
 583                  * buttons will disturb touchpad operation
 584                  */
 585                 .matches = {
 586                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 587                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
 588                 },
 589         },
 590         { }
 591 };
 592
 593 /*
 594  * On some Asus laptops, just running self tests cause problems.
 595  */
 596 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
 597         {
 598                 .matches = {
 599                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 600                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 601                 },
 602         }, {
 603                 .matches = {
 604                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 605                         DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
 606                 },
 607         },
 608         { }
 609 };
 610 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 611         {
 612                 /* MSI Wind U-100 */
 613                 .matches = {
 614                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 615                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 616                 },
 617         },
 618         {
 619                 /* LG Electronics X110 */
 620                 .matches = {
 621                         DMI_MATCH(DMI_BOARD_NAME, "X110"),
 622                         DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
 623                 },
 624         },
 625         {
 626                 /* Acer Aspire One 150 */
 627                 .matches = {
 628                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 629                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
 630                 },
 631         },
 632         {
 633                 .matches = {
 634                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 635                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
 636                 },
 637         },
 638         {
 639                 .matches = {
 640                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 641                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
 642                 },
 643         },
 644         {
 645                 .matches = {
 646                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 647                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
 648                 },
 649         },
 650         {
 651                 .matches = {
 652                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 653                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
 654                 },
 655         },
 656         {
 657                 .matches = {
 658                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 659                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
 660                 },
 661         },
 662         {
 663                 .matches = {
 664                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 665                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
 666                 },
 667         },
 668         {
 669                 .matches = {
 670                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 671                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
 672                 },
 673         },
 674         {
 675                 /* Advent 4211 */
 676                 .matches = {
 677                         DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
 678                         DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
 679                 },
 680         },
 681         {
 682                 /* Medion Akoya Mini E1210 */
 683                 .matches = {
 684                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 685                         DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
 686                 },
 687         },
 688         {
 689                 /* Medion Akoya E1222 */
 690                 .matches = {
 691                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 692                         DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
 693                 },
 694         },
 695         {
 696                 /* Mivvy M310 */
 697                 .matches = {
 698                         DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
 699                         DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
 700                 },
 701         },
 702         {
 703                 /* Dell Vostro 1320 */
 704                 .matches = {
 705                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 706                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
 707                 },
 708         },
 709         {
 710                 /* Dell Vostro 1520 */
 711                 .matches = {
 712                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 713                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
 714                 },
 715         },
 716         {
 717                 /* Dell Vostro 1720 */
 718                 .matches = {
 719                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 720                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
 721                 },
 722         },
 723         {
 724                 /* Lenovo Ideapad U455 */
 725                 .matches = {
 726                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 727                         DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
 728                 },
 729         },
 730         {
 731                 /* Lenovo ThinkPad L460 */
 732                 .matches = {
 733                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 734                         DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
 735                 },
 736         },
 737         {
 738                 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
 739                 .matches = {
 740                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 741                         DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
 742                 },
 743         },
 744         {
 745                 /* Lenovo ThinkPad Twist S230u */
 746                 .matches = {
 747                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 748                         DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
 749                 },
 750         },
 751         {
 752                 /* Entroware Proteus */
 753                 .matches = {
 754                         DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
 755                         DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
 756                         DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
 757                 },
 758         },
 759         { }
 760 };
 761
 762 #ifdef CONFIG_PNP
 763 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
 764         {
 765                 /* Intel MBO Desktop D845PESV */
 766                 .matches = {
 767                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 768                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 769                 },
 770         },
 771         {
 772                 /*
 773                  * Intel NUC D54250WYK - does not have i8042 controller but
 774                  * declares PS/2 devices in DSDT.
 775                  */
 776                 .matches = {
 777                         DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
 778                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 779                 },
 780         },
 781         {
 782                 /* MSI Wind U-100 */
 783                 .matches = {
 784                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 785                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
 786                 },
 787         },
 788         {
 789                 /* Acer Aspire 5 A515 */
 790                 .matches = {
 791                         DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
 792                         DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
 793                 },
 794         },
 795         { }
 796 };
 797
 798 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
 799         {
 800                 .matches = {
 801                         DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
 802                 },
 803         },
 804         {
 805                 .matches = {
 806                         DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
 807                 },
 808         },
 809         {
 810                 .matches = {
 811                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 812                 },
 813         },
 814         {
 815                 .matches = {
 816                         DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
 817                 },
 818         },
 819         { }
 820 };
 821 #endif
 822
 823 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 824         {
 825                 /* Dell Vostro V13 */
 826                 .matches = {
 827                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 828                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 829                 },
 830         },
 831         {
 832                 /* Newer HP Pavilion dv4 models */
 833                 .matches = {
 834                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 835                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 836                 },
 837         },
 838         {
 839                 /* Fujitsu A544 laptop */
 840                 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 841                 .matches = {
 842                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 843                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
 844                 },
 845         },
 846         {
 847                 /* Fujitsu AH544 laptop */
 848                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 849                 .matches = {
 850                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 851                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
 852                 },
 853         },
 854         {
 855                 /* Fujitsu Lifebook T725 laptop */
 856                 .matches = {
 857                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 858                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
 859                 },
 860         },
 861         {
 862                 /* Fujitsu U574 laptop */
 863                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 864                 .matches = {
 865                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 866                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
 867                 },
 868         },
 869         {
 870                 /* Fujitsu UH554 laptop */
 871                 .matches = {
 872                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 873                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
 874                 },
 875         },
 876         { }
 877 };
 878
 879 /*
 880  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 881  * keyboard extension' to make their extra keys start generating scancodes.
 882  * Originally, this was just confined to older laptops, but a few Acer laptops
 883  * have turned up in 2007 that also need this again.
 884  */
 885 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
 886         {
 887                 /* Acer Aspire 5100 */
 888                 .matches = {
 889                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 890                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 891                 },
 892         },
 893         {
 894                 /* Acer Aspire 5610 */
 895                 .matches = {
 896                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 897                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 898                 },
 899         },
 900         {
 901                 /* Acer Aspire 5630 */
 902                 .matches = {
 903                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 904                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 905                 },
 906         },
 907         {
 908                 /* Acer Aspire 5650 */
 909                 .matches = {
 910                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 911                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 912                 },
 913         },
 914         {
 915                 /* Acer Aspire 5680 */
 916                 .matches = {
 917                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 918                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 919                 },
 920         },
 921         {
 922                 /* Acer Aspire 5720 */
 923                 .matches = {
 924                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 925                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 926                 },
 927         },
 928         {
 929                 /* Acer Aspire 9110 */
 930                 .matches = {
 931                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 932                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 933                 },
 934         },
 935         {
 936                 /* Acer TravelMate 660 */
 937                 .matches = {
 938                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 939                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 940                 },
 941         },
 942         {
 943                 /* Acer TravelMate 2490 */
 944                 .matches = {
 945                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 946                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 947                 },
 948         },
 949         {
 950                 /* Acer TravelMate 4280 */
 951                 .matches = {
 952                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 953                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 954                 },
 955         },
 956         { }
 957 };
 958
 959 /*
 960  * Some laptops need keyboard reset before probing for the trackpad to get
 961  * it detected, initialised & finally work.
 962  */
 963 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
 964         {
 965                 /* Gigabyte P35 v2 - Elantech touchpad */
 966                 .matches = {
 967                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 968                         DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
 969                 },
 970         },
 971                 {
 972                 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
 973                 .matches = {
 974                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 975                         DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
 976                 },
 977         },
 978         {
 979                 /* Gigabyte P34 - Elantech touchpad */
 980                 .matches = {
 981                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 982                         DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 983                 },
 984         },
 985         {
 986                 /* Gigabyte P57 - Elantech touchpad */
 987                 .matches = {
 988                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 989                         DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
 990                 },
 991         },
 992         {
 993                 /* Schenker XMG C504 - Elantech touchpad */
 994                 .matches = {
 995                         DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
 996                         DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
 997                 },
 998         },
 999         { }
1000 };
1001
1002 #endif /* CONFIG_X86 */
1003
1004 #ifdef CONFIG_PNP
1005 #include <linux/pnp.h>
1006
1007 static bool i8042_pnp_kbd_registered;
1008 static unsigned int i8042_pnp_kbd_devices;
1009 static bool i8042_pnp_aux_registered;
1010 static unsigned int i8042_pnp_aux_devices;
1011
1012 static int i8042_pnp_command_reg;
1013 static int i8042_pnp_data_reg;
1014 static int i8042_pnp_kbd_irq;
1015 static int i8042_pnp_aux_irq;
1016
1017 static char i8042_pnp_kbd_name[32];
1018 static char i8042_pnp_aux_name[32];
1019
1020 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1021 {
1022         strlcpy(dst, "PNP:", dst_size);
1023
1024         while (id) {
1025                 strlcat(dst, " ", dst_size);
1026                 strlcat(dst, id->id, dst_size);
1027                 id = id->next;
1028         }
1029 }
1030
1031 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1032 {
1033         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1034                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1035
1036         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1037                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1038
1039         if (pnp_irq_valid(dev,0))
1040                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1041
1042         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1043         if (strlen(pnp_dev_name(dev))) {
1044                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1045                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1046         }
1047         i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1048                                sizeof(i8042_kbd_firmware_id));
1049
1050         /* Keyboard ports are always supposed to be wakeup-enabled */
1051         device_set_wakeup_enable(&dev->dev, true);
1052
1053         i8042_pnp_kbd_devices++;
1054         return 0;
1055 }
1056
1057 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1058 {
1059         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1060                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1061
1062         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1063                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1064
1065         if (pnp_irq_valid(dev, 0))
1066                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
1067
1068         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1069         if (strlen(pnp_dev_name(dev))) {
1070                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1071                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1072         }
1073         i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1074                                sizeof(i8042_aux_firmware_id));
1075
1076         i8042_pnp_aux_devices++;
1077         return 0;
1078 }
1079
1080 static const struct pnp_device_id pnp_kbd_devids[] = {
1081         { .id = "PNP0300", .driver_data = 0 },
1082         { .id = "PNP0301", .driver_data = 0 },
1083         { .id = "PNP0302", .driver_data = 0 },
1084         { .id = "PNP0303", .driver_data = 0 },
1085         { .id = "PNP0304", .driver_data = 0 },
1086         { .id = "PNP0305", .driver_data = 0 },
1087         { .id = "PNP0306", .driver_data = 0 },
1088         { .id = "PNP0309", .driver_data = 0 },
1089         { .id = "PNP030a", .driver_data = 0 },
1090         { .id = "PNP030b", .driver_data = 0 },
1091         { .id = "PNP0320", .driver_data = 0 },
1092         { .id = "PNP0343", .driver_data = 0 },
1093         { .id = "PNP0344", .driver_data = 0 },
1094         { .id = "PNP0345", .driver_data = 0 },
1095         { .id = "CPQA0D7", .driver_data = 0 },
1096         { .id = "", },
1097 };
1098 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1099
1100 static struct pnp_driver i8042_pnp_kbd_driver = {
1101         .name           = "i8042 kbd",
1102         .id_table       = pnp_kbd_devids,
1103         .probe          = i8042_pnp_kbd_probe,
1104         .driver         = {
1105                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1106                 .suppress_bind_attrs = true,
1107         },
1108 };
1109
1110 static const struct pnp_device_id pnp_aux_devids[] = {
1111         { .id = "AUI0200", .driver_data = 0 },
1112         { .id = "FJC6000", .driver_data = 0 },
1113         { .id = "FJC6001", .driver_data = 0 },
1114         { .id = "PNP0f03", .driver_data = 0 },
1115         { .id = "PNP0f0b", .driver_data = 0 },
1116         { .id = "PNP0f0e", .driver_data = 0 },
1117         { .id = "PNP0f12", .driver_data = 0 },
1118         { .id = "PNP0f13", .driver_data = 0 },
1119         { .id = "PNP0f19", .driver_data = 0 },
1120         { .id = "PNP0f1c", .driver_data = 0 },
1121         { .id = "SYN0801", .driver_data = 0 },
1122         { .id = "", },
1123 };
1124 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1125
1126 static struct pnp_driver i8042_pnp_aux_driver = {
1127         .name           = "i8042 aux",
1128         .id_table       = pnp_aux_devids,
1129         .probe          = i8042_pnp_aux_probe,
1130         .driver         = {
1131                 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1132                 .suppress_bind_attrs = true,
1133         },
1134 };
1135
1136 static void i8042_pnp_exit(void)
1137 {
1138         if (i8042_pnp_kbd_registered) {
1139                 i8042_pnp_kbd_registered = false;
1140                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1141         }
1142
1143         if (i8042_pnp_aux_registered) {
1144                 i8042_pnp_aux_registered = false;
1145                 pnp_unregister_driver(&i8042_pnp_aux_driver);
1146         }
1147 }
1148
1149 static int __init i8042_pnp_init(void)
1150 {
1151         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1152         bool pnp_data_busted = false;
1153         int err;
1154
1155 #ifdef CONFIG_X86
1156         if (dmi_check_system(i8042_dmi_nopnp_table))
1157                 i8042_nopnp = true;
1158 #endif
1159
1160         if (i8042_nopnp) {
1161                 pr_info("PNP detection disabled\n");
1162                 return 0;
1163         }
1164
1165         err = pnp_register_driver(&i8042_pnp_kbd_driver);
1166         if (!err)
1167                 i8042_pnp_kbd_registered = true;
1168
1169         err = pnp_register_driver(&i8042_pnp_aux_driver);
1170         if (!err)
1171                 i8042_pnp_aux_registered = true;
1172
1173         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1174                 i8042_pnp_exit();
1175 #if defined(__ia64__)
1176                 return -ENODEV;
1177 #else
1178                 pr_info("PNP: No PS/2 controller found.\n");
1179                 if (x86_platform.legacy.i8042 !=
1180                                 X86_LEGACY_I8042_EXPECTED_PRESENT)
1181                         return -ENODEV;
1182                 pr_info("Probing ports directly.\n");
1183                 return 0;
1184 #endif
1185         }
1186
1187         if (i8042_pnp_kbd_devices)
1188                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1189                         "%d", i8042_pnp_kbd_irq);
1190         if (i8042_pnp_aux_devices)
1191                 snprintf(aux_irq_str, sizeof(aux_irq_str),
1192                         "%d", i8042_pnp_aux_irq);
1193
1194         pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1195                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1196                 i8042_pnp_aux_name,
1197                 i8042_pnp_data_reg, i8042_pnp_command_reg,
1198                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1199                 aux_irq_str);
1200
1201 #if defined(__ia64__)
1202         if (!i8042_pnp_kbd_devices)
1203                 i8042_nokbd = true;
1204         if (!i8042_pnp_aux_devices)
1205                 i8042_noaux = true;
1206 #endif
1207
1208         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1209               i8042_pnp_data_reg != i8042_data_reg) ||
1210             !i8042_pnp_data_reg) {
1211                 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1212                         i8042_pnp_data_reg, i8042_data_reg);
1213                 i8042_pnp_data_reg = i8042_data_reg;
1214                 pnp_data_busted = true;
1215         }
1216
1217         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1218               i8042_pnp_command_reg != i8042_command_reg) ||
1219             !i8042_pnp_command_reg) {
1220                 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1221                         i8042_pnp_command_reg, i8042_command_reg);
1222                 i8042_pnp_command_reg = i8042_command_reg;
1223                 pnp_data_busted = true;
1224         }
1225
1226         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1227                 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1228                         i8042_kbd_irq);
1229                 i8042_pnp_kbd_irq = i8042_kbd_irq;
1230                 pnp_data_busted = true;
1231         }
1232
1233         if (!i8042_noaux && !i8042_pnp_aux_irq) {
1234                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1235                         pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1236                                 "if this is incorrect please boot with i8042.nopnp\n");
1237                         i8042_noaux = true;
1238                 } else {
1239                         pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1240                                 i8042_aux_irq);
1241                         i8042_pnp_aux_irq = i8042_aux_irq;
1242                 }
1243         }
1244
1245         i8042_data_reg = i8042_pnp_data_reg;
1246         i8042_command_reg = i8042_pnp_command_reg;
1247         i8042_kbd_irq = i8042_pnp_kbd_irq;
1248         i8042_aux_irq = i8042_pnp_aux_irq;
1249
1250 #ifdef CONFIG_X86
1251         i8042_bypass_aux_irq_test = !pnp_data_busted &&
1252                                     dmi_check_system(i8042_dmi_laptop_table);
1253 #endif
1254
1255         return 0;
1256 }
1257
1258 #else  /* !CONFIG_PNP */
1259 static inline int i8042_pnp_init(void) { return 0; }
1260 static inline void i8042_pnp_exit(void) { }
1261 #endif /* CONFIG_PNP */
1262
1263 static int __init i8042_platform_init(void)
1264 {
1265         int retval;
1266
1267 #ifdef CONFIG_X86
1268         u8 a20_on = 0xdf;
1269         /* Just return if platform does not have i8042 controller */
1270         if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1271                 return -ENODEV;
1272 #endif
1273
1274 /*
1275  * On ix86 platforms touching the i8042 data register region can do really
1276  * bad things. Because of this the region is always reserved on ix86 boxes.
1277  *
1278  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
1279  *              return -EBUSY;
1280  */
1281
1282         i8042_kbd_irq = I8042_MAP_IRQ(1);
1283         i8042_aux_irq = I8042_MAP_IRQ(12);
1284
1285         retval = i8042_pnp_init();
1286         if (retval)
1287                 return retval;
1288
1289 #if defined(__ia64__)
1290         i8042_reset = I8042_RESET_ALWAYS;
1291 #endif
1292
1293 #ifdef CONFIG_X86
1294         /* Honor module parameter when value is not default */
1295         if (i8042_reset == I8042_RESET_DEFAULT) {
1296                 if (dmi_check_system(i8042_dmi_reset_table))
1297                         i8042_reset = I8042_RESET_ALWAYS;
1298
1299                 if (dmi_check_system(i8042_dmi_noselftest_table))
1300                         i8042_reset = I8042_RESET_NEVER;
1301         }
1302
1303         if (dmi_check_system(i8042_dmi_noloop_table))
1304                 i8042_noloop = true;
1305
1306         if (dmi_check_system(i8042_dmi_nomux_table))
1307                 i8042_nomux = true;
1308
1309         if (dmi_check_system(i8042_dmi_forcemux_table))
1310                 i8042_nomux = false;
1311
1312         if (dmi_check_system(i8042_dmi_notimeout_table))
1313                 i8042_notimeout = true;
1314
1315         if (dmi_check_system(i8042_dmi_dritek_table))
1316                 i8042_dritek = true;
1317
1318         if (dmi_check_system(i8042_dmi_kbdreset_table))
1319                 i8042_kbdreset = true;
1320
1321         /*
1322          * A20 was already enabled during early kernel init. But some buggy
1323          * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1324          * resume from S3. So we do it here and hope that nothing breaks.
1325          */
1326         i8042_command(&a20_on, 0x10d1);
1327         i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
1328 #endif /* CONFIG_X86 */
1329
1330         return retval;
1331 }
1332
1333 static inline void i8042_platform_exit(void)
1334 {
1335         i8042_pnp_exit();
1336 }
1337
1338 #endif /* _I8042_X86IA64IO_H */