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 /*
  11  * Names.
  12  */
  13
  14 #define I8042_KBD_PHYS_DESC "isa0060/serio0"
  15 #define I8042_AUX_PHYS_DESC "isa0060/serio1"
  16 #define I8042_MUX_PHYS_DESC "isa0060/serio%d"
  17
  18 /*
  19  * IRQs.
  20  */
  21
  22 #if defined(__ia64__)
  23 # define I8042_MAP_IRQ(x)       isa_irq_to_vector((x))
  24 #else
  25 # define I8042_MAP_IRQ(x)       (x)
  26 #endif
  27
  28 #define I8042_KBD_IRQ   i8042_kbd_irq
  29 #define I8042_AUX_IRQ   i8042_aux_irq
  30
  31 static int i8042_kbd_irq;
  32 static int i8042_aux_irq;
  33
  34 /*
  35  * Register numbers.
  36  */
  37
  38 #define I8042_COMMAND_REG       i8042_command_reg
  39 #define I8042_STATUS_REG        i8042_command_reg
  40 #define I8042_DATA_REG          i8042_data_reg
  41
  42 static int i8042_command_reg = 0x64;
  43 static int i8042_data_reg = 0x60;
  44
  45
  46 static inline int i8042_read_data(void)
  47 {
  48         return inb(I8042_DATA_REG);
  49 }
  50
  51 static inline int i8042_read_status(void)
  52 {
  53         return inb(I8042_STATUS_REG);
  54 }
  55
  56 static inline void i8042_write_data(int val)
  57 {
  58         outb(val, I8042_DATA_REG);
  59 }
  60
  61 static inline void i8042_write_command(int val)
  62 {
  63         outb(val, I8042_COMMAND_REG);
  64 }
  65
  66 #ifdef CONFIG_X86
  67
  68 #include <linux/dmi.h>
  69
  70 static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
  71         {
  72                 /* AUX LOOP command does not raise AUX IRQ */
  73                 .ident = "Arima-Rioworks HDAMB",
  74                 .matches = {
  75                         DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
  76                         DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
  77                         DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
  78                 },
  79         },
  80         {
  81                 /* AUX LOOP command does not raise AUX IRQ */
  82                 .ident = "ASUS P65UP5",
  83                 .matches = {
  84                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
  85                         DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
  86                         DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
  87                 },
  88         },
  89         {
  90                 .ident = "Compaq Proliant 8500",
  91                 .matches = {
  92                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  93                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  94                         DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
  95                 },
  96         },
  97         {
  98                 .ident = "Compaq Proliant DL760",
  99                 .matches = {
 100                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
 101                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
 102                         DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
 103                 },
 104         },
 105         {
 106                 .ident = "OQO Model 01",
 107                 .matches = {
 108                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
 109                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
 110                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
 111                 },
 112         },
 113         {
 114                 /* AUX LOOP does not work properly */
 115                 .ident = "ULI EV4873",
 116                 .matches = {
 117                         DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
 118                         DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
 119                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 120                 },
 121         },
 122         {
 123                 .ident = "Microsoft Virtual Machine",
 124                 .matches = {
 125                         DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 126                         DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
 127                         DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 128                 },
 129         },
 130         {
 131                 .ident = "Medion MAM 2070",
 132                 .matches = {
 133                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 134                         DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
 135                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 136                 },
 137         },
 138         {
 139                 .ident = "Blue FB5601",
 140                 .matches = {
 141                         DMI_MATCH(DMI_SYS_VENDOR, "blue"),
 142                         DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
 143                         DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
 144                 },
 145         },
 146         {
 147                 .ident = "Gigabyte M912",
 148                 .matches = {
 149                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
 150                         DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
 151                         DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
 152                 },
 153         },
 154         { }
 155 };
 156
 157 /*
 158  * Some Fujitsu notebooks are having trouble with touchpads if
 159  * active multiplexing mode is activated. Luckily they don't have
 160  * external PS/2 ports so we can safely disable it.
 161  * ... apparently some Toshibas don't like MUX mode either and
 162  * die horrible death on reboot.
 163  */
 164 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 165         {
 166                 .ident = "Fujitsu Lifebook P7010/P7010D",
 167                 .matches = {
 168                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 169                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 170                 },
 171         },
 172         {
 173                 .ident = "Fujitsu Lifebook P7010",
 174                 .matches = {
 175                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 176                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 177                 },
 178         },
 179         {
 180                 .ident = "Fujitsu Lifebook P5020D",
 181                 .matches = {
 182                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 183                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 184                 },
 185         },
 186         {
 187                 .ident = "Fujitsu Lifebook S2000",
 188                 .matches = {
 189                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 190                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 191                 },
 192         },
 193         {
 194                 .ident = "Fujitsu Lifebook S6230",
 195                 .matches = {
 196                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 197                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 198                 },
 199         },
 200         {
 201                 .ident = "Fujitsu T70H",
 202                 .matches = {
 203                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 204                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 205                 },
 206         },
 207         {
 208                 .ident = "Fujitsu-Siemens Lifebook T3010",
 209                 .matches = {
 210                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 211                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 212                 },
 213         },
 214         {
 215                 .ident = "Fujitsu-Siemens Lifebook E4010",
 216                 .matches = {
 217                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 218                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 219                 },
 220         },
 221         {
 222                 .ident = "Fujitsu-Siemens Amilo Pro 2010",
 223                 .matches = {
 224                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 225                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 226                 },
 227         },
 228         {
 229                 .ident = "Fujitsu-Siemens Amilo Pro 2030",
 230                 .matches = {
 231                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 232                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 233                 },
 234         },
 235         {
 236                 /*
 237                  * No data is coming from the touchscreen unless KBC
 238                  * is in legacy mode.
 239                  */
 240                 .ident = "Panasonic CF-29",
 241                 .matches = {
 242                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 243                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 244                 },
 245         },
 246         {
 247                 /*
 248                  * Errors on MUX ports are reported without raising AUXDATA
 249                  * causing "spurious NAK" messages.
 250                  */
 251                 .ident = "HP Pavilion DV4017EA",
 252                 .matches = {
 253                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 254                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 255                 },
 256         },
 257         {
 258                 /*
 259                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 260                  */
 261                 .ident = "HP Pavilion ZT1000",
 262                 .matches = {
 263                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 264                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 265                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 266                 },
 267         },
 268         {
 269                 /*
 270                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 271                  */
 272                 .ident = "HP Pavilion DV4270ca",
 273                 .matches = {
 274                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 275                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 276                 },
 277         },
 278         {
 279                 .ident = "Toshiba P10",
 280                 .matches = {
 281                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 282                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 283                 },
 284         },
 285         {
 286                 .ident = "Toshiba Equium A110",
 287                 .matches = {
 288                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 289                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 290                 },
 291         },
 292         {
 293                 .ident = "Alienware Sentia",
 294                 .matches = {
 295                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 296                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 297                 },
 298         },
 299         {
 300                 .ident = "Sharp Actius MM20",
 301                 .matches = {
 302                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 303                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 304                 },
 305         },
 306         {
 307                 .ident = "Sony Vaio FS-115b",
 308                 .matches = {
 309                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 310                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 311                 },
 312         },
 313         {
 314                 .ident = "Amoi M636/A737",
 315                 .matches = {
 316                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 317                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 318                 },
 319         },
 320         {
 321                 .ident = "Lenovo 3000 n100",
 322                 .matches = {
 323                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 324                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 325                 },
 326         },
 327         {
 328                 .ident = "Acer Aspire 1360",
 329                 .matches = {
 330                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 331                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 332                 },
 333         },
 334         {
 335                 .ident = "Gericom Bellagio",
 336                 .matches = {
 337                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 338                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 339                 },
 340         },
 341         {
 342                 .ident = "IBM 2656",
 343                 .matches = {
 344                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 345                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 346                 },
 347         },
 348         {
 349                 .ident = "Dell XPS M1530",
 350                 .matches = {
 351                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 352                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 353                 },
 354         },
 355         {
 356                 .ident = "Compal HEL80I",
 357                 .matches = {
 358                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 359                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 360                 },
 361         },
 362         { }
 363 };
 364
 365 #ifdef CONFIG_PNP
 366 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
 367         {
 368                 .ident = "Intel MBO Desktop D845PESV",
 369                 .matches = {
 370                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 371                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 372                 },
 373         },
 374         { }
 375 };
 376 #endif
 377
 378 /*
 379  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 380  * keyboard extension' to make their extra keys start generating scancodes.
 381  * Originally, this was just confined to older laptops, but a few Acer laptops
 382  * have turned up in 2007 that also need this again.
 383  */
 384 static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
 385         {
 386                 .ident = "Acer Aspire 5630",
 387                 .matches = {
 388                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 389                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 390                 },
 391         },
 392         {
 393                 .ident = "Acer Aspire 5650",
 394                 .matches = {
 395                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 396                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 397                 },
 398         },
 399         {
 400                 .ident = "Acer Aspire 5680",
 401                 .matches = {
 402                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 403                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 404                 },
 405         },
 406         {
 407                 .ident = "Acer Aspire 5720",
 408                 .matches = {
 409                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 410                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 411                 },
 412         },
 413         {
 414                 .ident = "Acer Aspire 9110",
 415                 .matches = {
 416                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 417                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 418                 },
 419         },
 420         {
 421                 .ident = "Acer TravelMate 660",
 422                 .matches = {
 423                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 424                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 425                 },
 426         },
 427         {
 428                 .ident = "Acer TravelMate 2490",
 429                 .matches = {
 430                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 431                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 432                 },
 433         },
 434         {
 435                 .ident = "Acer TravelMate 4280",
 436                 .matches = {
 437                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 438                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 439                 },
 440         },
 441         { }
 442 };
 443
 444 #endif /* CONFIG_X86 */
 445
 446 #ifdef CONFIG_PNP
 447 #include <linux/pnp.h>
 448
 449 static int i8042_pnp_kbd_registered;
 450 static unsigned int i8042_pnp_kbd_devices;
 451 static int i8042_pnp_aux_registered;
 452 static unsigned int i8042_pnp_aux_devices;
 453
 454 static int i8042_pnp_command_reg;
 455 static int i8042_pnp_data_reg;
 456 static int i8042_pnp_kbd_irq;
 457 static int i8042_pnp_aux_irq;
 458
 459 static char i8042_pnp_kbd_name[32];
 460 static char i8042_pnp_aux_name[32];
 461
 462 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 463 {
 464         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 465                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 466
 467         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 468                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 469
 470         if (pnp_irq_valid(dev,0))
 471                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 472
 473         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 474         if (strlen(pnp_dev_name(dev))) {
 475                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 476                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 477         }
 478
 479         i8042_pnp_kbd_devices++;
 480         return 0;
 481 }
 482
 483 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 484 {
 485         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 486                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 487
 488         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 489                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 490
 491         if (pnp_irq_valid(dev, 0))
 492                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 493
 494         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 495         if (strlen(pnp_dev_name(dev))) {
 496                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 497                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 498         }
 499
 500         i8042_pnp_aux_devices++;
 501         return 0;
 502 }
 503
 504 static struct pnp_device_id pnp_kbd_devids[] = {
 505         { .id = "PNP0303", .driver_data = 0 },
 506         { .id = "PNP030b", .driver_data = 0 },
 507         { .id = "", },
 508 };
 509
 510 static struct pnp_driver i8042_pnp_kbd_driver = {
 511         .name           = "i8042 kbd",
 512         .id_table       = pnp_kbd_devids,
 513         .probe          = i8042_pnp_kbd_probe,
 514 };
 515
 516 static struct pnp_device_id pnp_aux_devids[] = {
 517         { .id = "FJC6000", .driver_data = 0 },
 518         { .id = "FJC6001", .driver_data = 0 },
 519         { .id = "PNP0f03", .driver_data = 0 },
 520         { .id = "PNP0f0b", .driver_data = 0 },
 521         { .id = "PNP0f0e", .driver_data = 0 },
 522         { .id = "PNP0f12", .driver_data = 0 },
 523         { .id = "PNP0f13", .driver_data = 0 },
 524         { .id = "PNP0f19", .driver_data = 0 },
 525         { .id = "PNP0f1c", .driver_data = 0 },
 526         { .id = "SYN0801", .driver_data = 0 },
 527         { .id = "", },
 528 };
 529
 530 static struct pnp_driver i8042_pnp_aux_driver = {
 531         .name           = "i8042 aux",
 532         .id_table       = pnp_aux_devids,
 533         .probe          = i8042_pnp_aux_probe,
 534 };
 535
 536 static void i8042_pnp_exit(void)
 537 {
 538         if (i8042_pnp_kbd_registered) {
 539                 i8042_pnp_kbd_registered = 0;
 540                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 541         }
 542
 543         if (i8042_pnp_aux_registered) {
 544                 i8042_pnp_aux_registered = 0;
 545                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 546         }
 547 }
 548
 549 static int __init i8042_pnp_init(void)
 550 {
 551         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 552         int pnp_data_busted = 0;
 553         int err;
 554
 555 #ifdef CONFIG_X86
 556         if (dmi_check_system(i8042_dmi_nopnp_table))
 557                 i8042_nopnp = 1;
 558 #endif
 559
 560         if (i8042_nopnp) {
 561                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 562                 return 0;
 563         }
 564
 565         err = pnp_register_driver(&i8042_pnp_kbd_driver);
 566         if (!err)
 567                 i8042_pnp_kbd_registered = 1;
 568
 569         err = pnp_register_driver(&i8042_pnp_aux_driver);
 570         if (!err)
 571                 i8042_pnp_aux_registered = 1;
 572
 573         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 574                 i8042_pnp_exit();
 575 #if defined(__ia64__)
 576                 return -ENODEV;
 577 #else
 578                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 579                 return 0;
 580 #endif
 581         }
 582
 583         if (i8042_pnp_kbd_devices)
 584                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 585                         "%d", i8042_pnp_kbd_irq);
 586         if (i8042_pnp_aux_devices)
 587                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 588                         "%d", i8042_pnp_aux_irq);
 589
 590         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 591                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 592                 i8042_pnp_aux_name,
 593                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 594                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 595                 aux_irq_str);
 596
 597 #if defined(__ia64__)
 598         if (!i8042_pnp_kbd_devices)
 599                 i8042_nokbd = 1;
 600         if (!i8042_pnp_aux_devices)
 601                 i8042_noaux = 1;
 602 #endif
 603
 604         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 605               i8042_pnp_data_reg != i8042_data_reg) ||
 606             !i8042_pnp_data_reg) {
 607                 printk(KERN_WARNING
 608                         "PNP: PS/2 controller has invalid data port %#x; "
 609                         "using default %#x\n",
 610                         i8042_pnp_data_reg, i8042_data_reg);
 611                 i8042_pnp_data_reg = i8042_data_reg;
 612                 pnp_data_busted = 1;
 613         }
 614
 615         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 616               i8042_pnp_command_reg != i8042_command_reg) ||
 617             !i8042_pnp_command_reg) {
 618                 printk(KERN_WARNING
 619                         "PNP: PS/2 controller has invalid command port %#x; "
 620                         "using default %#x\n",
 621                         i8042_pnp_command_reg, i8042_command_reg);
 622                 i8042_pnp_command_reg = i8042_command_reg;
 623                 pnp_data_busted = 1;
 624         }
 625
 626         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 627                 printk(KERN_WARNING
 628                         "PNP: PS/2 controller doesn't have KBD irq; "
 629                         "using default %d\n", i8042_kbd_irq);
 630                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 631                 pnp_data_busted = 1;
 632         }
 633
 634         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 635                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
 636                         printk(KERN_WARNING
 637                                 "PNP: PS/2 appears to have AUX port disabled, "
 638                                 "if this is incorrect please boot with "
 639                                 "i8042.nopnp\n");
 640                         i8042_noaux = 1;
 641                 } else {
 642                         printk(KERN_WARNING
 643                                 "PNP: PS/2 controller doesn't have AUX irq; "
 644                                 "using default %d\n", i8042_aux_irq);
 645                         i8042_pnp_aux_irq = i8042_aux_irq;
 646                 }
 647         }
 648
 649         i8042_data_reg = i8042_pnp_data_reg;
 650         i8042_command_reg = i8042_pnp_command_reg;
 651         i8042_kbd_irq = i8042_pnp_kbd_irq;
 652         i8042_aux_irq = i8042_pnp_aux_irq;
 653
 654         return 0;
 655 }
 656
 657 #else
 658 static inline int i8042_pnp_init(void) { return 0; }
 659 static inline void i8042_pnp_exit(void) { }
 660 #endif
 661
 662 static int __init i8042_platform_init(void)
 663 {
 664         int retval;
 665
 666 /*
 667  * On ix86 platforms touching the i8042 data register region can do really
 668  * bad things. Because of this the region is always reserved on ix86 boxes.
 669  *
 670  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 671  *              return -EBUSY;
 672  */
 673
 674         i8042_kbd_irq = I8042_MAP_IRQ(1);
 675         i8042_aux_irq = I8042_MAP_IRQ(12);
 676
 677         retval = i8042_pnp_init();
 678         if (retval)
 679                 return retval;
 680
 681 #if defined(__ia64__)
 682         i8042_reset = 1;
 683 #endif
 684
 685 #ifdef CONFIG_X86
 686         if (dmi_check_system(i8042_dmi_noloop_table))
 687                 i8042_noloop = 1;
 688
 689         if (dmi_check_system(i8042_dmi_nomux_table))
 690                 i8042_nomux = 1;
 691
 692         if (dmi_check_system(i8042_dmi_dritek_table))
 693                 i8042_dritek = 1;
 694 #endif /* CONFIG_X86 */
 695
 696         return retval;
 697 }
 698
 699 static inline void i8042_platform_exit(void)
 700 {
 701         i8042_pnp_exit();
 702 }
 703
 704 #endif /* _I8042_X86IA64IO_H */