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