err.no Git - linux-2.6/blob - 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 = "ASUS P65UP5",
  74                 .matches = {
  75                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
  76                         DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
  77                         DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
  78                 },
  79         },
  80         {
  81                 .ident = "Compaq Proliant 8500",
  82                 .matches = {
  83                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  84                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  85                         DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
  86                 },
  87         },
  88         {
  89                 .ident = "Compaq Proliant DL760",
  90                 .matches = {
  91                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  92                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  93                         DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
  94                 },
  95         },
  96         {
  97                 .ident = "OQO Model 01",
  98                 .matches = {
  99                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
 100                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
 101                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
 102                 },
 103         },
 104         {
 105                 /* AUX LOOP does not work properly */
 106                 .ident = "ULI EV4873",
 107                 .matches = {
 108                         DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
 109                         DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
 110                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 111                 },
 112         },
 113         {
 114                 .ident = "Microsoft Virtual Machine",
 115                 .matches = {
 116                         DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
 117                         DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
 118                         DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 119                 },
 120         },
 121         {
 122                 .ident = "Medion MAM 2070",
 123                 .matches = {
 124                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 125                         DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
 126                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 127                 },
 128         },
 129         { }
 130 };
 131
 132 /*
 133  * Some Fujitsu notebooks are having trouble with touchpads if
 134  * active multiplexing mode is activated. Luckily they don't have
 135  * external PS/2 ports so we can safely disable it.
 136  * ... apparently some Toshibas don't like MUX mode either and
 137  * die horrible death on reboot.
 138  */
 139 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 140         {
 141                 .ident = "Fujitsu Lifebook P7010/P7010D",
 142                 .matches = {
 143                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 144                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 145                 },
 146         },
 147         {
 148                 .ident = "Fujitsu Lifebook P7010",
 149                 .matches = {
 150                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 151                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 152                 },
 153         },
 154         {
 155                 .ident = "Fujitsu Lifebook P5020D",
 156                 .matches = {
 157                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 158                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 159                 },
 160         },
 161         {
 162                 .ident = "Fujitsu Lifebook S2000",
 163                 .matches = {
 164                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 165                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 166                 },
 167         },
 168         {
 169                 .ident = "Fujitsu Lifebook S6230",
 170                 .matches = {
 171                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 172                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 173                 },
 174         },
 175         {
 176                 .ident = "Fujitsu T70H",
 177                 .matches = {
 178                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 179                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 180                 },
 181         },
 182         {
 183                 .ident = "Fujitsu-Siemens Lifebook T3010",
 184                 .matches = {
 185                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 186                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 187                 },
 188         },
 189         {
 190                 .ident = "Fujitsu-Siemens Lifebook E4010",
 191                 .matches = {
 192                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 193                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 194                 },
 195         },
 196         {
 197                 .ident = "Fujitsu-Siemens Amilo Pro 2010",
 198                 .matches = {
 199                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 200                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 201                 },
 202         },
 203         {
 204                 .ident = "Fujitsu-Siemens Amilo Pro 2030",
 205                 .matches = {
 206                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 207                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 208                 },
 209         },
 210         {
 211                 /*
 212                  * No data is coming from the touchscreen unless KBC
 213                  * is in legacy mode.
 214                  */
 215                 .ident = "Panasonic CF-29",
 216                 .matches = {
 217                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 218                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 219                 },
 220         },
 221         {
 222                 /*
 223                  * Errors on MUX ports are reported without raising AUXDATA
 224                  * causing "spurious NAK" messages.
 225                  */
 226                 .ident = "HP Pavilion DV4017EA",
 227                 .matches = {
 228                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 229                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 230                 },
 231         },
 232         {
 233                 /*
 234                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 235                  */
 236                 .ident = "HP Pavilion ZT1000",
 237                 .matches = {
 238                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 239                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 240                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 241                 },
 242         },
 243         {
 244                 /*
 245                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 246                  */
 247                 .ident = "HP Pavilion DV4270ca",
 248                 .matches = {
 249                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 250                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 251                 },
 252         },
 253         {
 254                 .ident = "Toshiba P10",
 255                 .matches = {
 256                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 257                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 258                 },
 259         },
 260         {
 261                 .ident = "Toshiba Equium A110",
 262                 .matches = {
 263                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 264                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 265                 },
 266         },
 267         {
 268                 .ident = "Alienware Sentia",
 269                 .matches = {
 270                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 271                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 272                 },
 273         },
 274         {
 275                 .ident = "Sharp Actius MM20",
 276                 .matches = {
 277                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 278                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 279                 },
 280         },
 281         {
 282                 .ident = "Sony Vaio FS-115b",
 283                 .matches = {
 284                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 285                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 286                 },
 287         },
 288         {
 289                 .ident = "Amoi M636/A737",
 290                 .matches = {
 291                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 292                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 293                 },
 294         },
 295         {
 296                 .ident = "Lenovo 3000 n100",
 297                 .matches = {
 298                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 299                         DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
 300                 },
 301         },
 302         {
 303                 .ident = "Acer Aspire 1360",
 304                 .matches = {
 305                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 306                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 307                 },
 308         },
 309         {
 310                 .ident = "Gericom Bellagio",
 311                 .matches = {
 312                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 313                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 314                 },
 315         },
 316         { }
 317 };
 318
 319 #ifdef CONFIG_PNP
 320 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
 321         {
 322                 .ident = "Intel MBO Desktop D845PESV",
 323                 .matches = {
 324                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 325                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 326                 },
 327         },
 328         { }
 329 };
 330 #endif
 331
 332 /*
 333  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 334  * keyboard extension' to make their extra keys start generating scancodes.
 335  * Originally, this was just confined to older laptops, but a few Acer laptops
 336  * have turned up in 2007 that also need this again.
 337  */
 338 static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
 339         {
 340                 .ident = "Acer Aspire 5630",
 341                 .matches = {
 342                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 343                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 344                 },
 345         },
 346         {
 347                 .ident = "Acer Aspire 5650",
 348                 .matches = {
 349                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 350                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 351                 },
 352         },
 353         {
 354                 .ident = "Acer Aspire 5680",
 355                 .matches = {
 356                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 357                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 358                 },
 359         },
 360         {
 361                 .ident = "Acer Aspire 5720",
 362                 .matches = {
 363                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 364                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 365                 },
 366         },
 367         {
 368                 .ident = "Acer Aspire 9110",
 369                 .matches = {
 370                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 371                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 372                 },
 373         },
 374         {
 375                 .ident = "Acer TravelMate 660",
 376                 .matches = {
 377                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 378                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 379                 },
 380         },
 381         {
 382                 .ident = "Acer TravelMate 2490",
 383                 .matches = {
 384                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 385                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 386                 },
 387         },
 388         { }
 389 };
 390
 391 #endif /* CONFIG_X86 */
 392
 393 #ifdef CONFIG_PNP
 394 #include <linux/pnp.h>
 395
 396 static int i8042_pnp_kbd_registered;
 397 static unsigned int i8042_pnp_kbd_devices;
 398 static int i8042_pnp_aux_registered;
 399 static unsigned int i8042_pnp_aux_devices;
 400
 401 static int i8042_pnp_command_reg;
 402 static int i8042_pnp_data_reg;
 403 static int i8042_pnp_kbd_irq;
 404 static int i8042_pnp_aux_irq;
 405
 406 static char i8042_pnp_kbd_name[32];
 407 static char i8042_pnp_aux_name[32];
 408
 409 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 410 {
 411         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 412                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 413
 414         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 415                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 416
 417         if (pnp_irq_valid(dev,0))
 418                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 419
 420         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 421         if (strlen(pnp_dev_name(dev))) {
 422                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 423                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 424         }
 425
 426         i8042_pnp_kbd_devices++;
 427         return 0;
 428 }
 429
 430 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 431 {
 432         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 433                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 434
 435         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 436                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 437
 438         if (pnp_irq_valid(dev, 0))
 439                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 440
 441         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 442         if (strlen(pnp_dev_name(dev))) {
 443                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 444                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 445         }
 446
 447         i8042_pnp_aux_devices++;
 448         return 0;
 449 }
 450
 451 static struct pnp_device_id pnp_kbd_devids[] = {
 452         { .id = "PNP0303", .driver_data = 0 },
 453         { .id = "PNP030b", .driver_data = 0 },
 454         { .id = "", },
 455 };
 456
 457 static struct pnp_driver i8042_pnp_kbd_driver = {
 458         .name           = "i8042 kbd",
 459         .id_table       = pnp_kbd_devids,
 460         .probe          = i8042_pnp_kbd_probe,
 461 };
 462
 463 static struct pnp_device_id pnp_aux_devids[] = {
 464         { .id = "FJC6000", .driver_data = 0 },
 465         { .id = "FJC6001", .driver_data = 0 },
 466         { .id = "PNP0f03", .driver_data = 0 },
 467         { .id = "PNP0f0b", .driver_data = 0 },
 468         { .id = "PNP0f0e", .driver_data = 0 },
 469         { .id = "PNP0f12", .driver_data = 0 },
 470         { .id = "PNP0f13", .driver_data = 0 },
 471         { .id = "PNP0f19", .driver_data = 0 },
 472         { .id = "PNP0f1c", .driver_data = 0 },
 473         { .id = "SYN0801", .driver_data = 0 },
 474         { .id = "", },
 475 };
 476
 477 static struct pnp_driver i8042_pnp_aux_driver = {
 478         .name           = "i8042 aux",
 479         .id_table       = pnp_aux_devids,
 480         .probe          = i8042_pnp_aux_probe,
 481 };
 482
 483 static void i8042_pnp_exit(void)
 484 {
 485         if (i8042_pnp_kbd_registered) {
 486                 i8042_pnp_kbd_registered = 0;
 487                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 488         }
 489
 490         if (i8042_pnp_aux_registered) {
 491                 i8042_pnp_aux_registered = 0;
 492                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 493         }
 494 }
 495
 496 static int __init i8042_pnp_init(void)
 497 {
 498         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 499         int pnp_data_busted = 0;
 500         int err;
 501
 502 #ifdef CONFIG_X86
 503         if (dmi_check_system(i8042_dmi_nopnp_table))
 504                 i8042_nopnp = 1;
 505 #endif
 506
 507         if (i8042_nopnp) {
 508                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 509                 return 0;
 510         }
 511
 512         err = pnp_register_driver(&i8042_pnp_kbd_driver);
 513         if (!err)
 514                 i8042_pnp_kbd_registered = 1;
 515
 516         err = pnp_register_driver(&i8042_pnp_aux_driver);
 517         if (!err)
 518                 i8042_pnp_aux_registered = 1;
 519
 520         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 521                 i8042_pnp_exit();
 522 #if defined(__ia64__)
 523                 return -ENODEV;
 524 #else
 525                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 526                 return 0;
 527 #endif
 528         }
 529
 530         if (i8042_pnp_kbd_devices)
 531                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 532                         "%d", i8042_pnp_kbd_irq);
 533         if (i8042_pnp_aux_devices)
 534                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 535                         "%d", i8042_pnp_aux_irq);
 536
 537         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 538                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 539                 i8042_pnp_aux_name,
 540                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 541                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 542                 aux_irq_str);
 543
 544 #if defined(__ia64__)
 545         if (!i8042_pnp_kbd_devices)
 546                 i8042_nokbd = 1;
 547         if (!i8042_pnp_aux_devices)
 548                 i8042_noaux = 1;
 549 #endif
 550
 551         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 552               i8042_pnp_data_reg != i8042_data_reg) ||
 553             !i8042_pnp_data_reg) {
 554                 printk(KERN_WARNING
 555                         "PNP: PS/2 controller has invalid data port %#x; "
 556                         "using default %#x\n",
 557                         i8042_pnp_data_reg, i8042_data_reg);
 558                 i8042_pnp_data_reg = i8042_data_reg;
 559                 pnp_data_busted = 1;
 560         }
 561
 562         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 563               i8042_pnp_command_reg != i8042_command_reg) ||
 564             !i8042_pnp_command_reg) {
 565                 printk(KERN_WARNING
 566                         "PNP: PS/2 controller has invalid command port %#x; "
 567                         "using default %#x\n",
 568                         i8042_pnp_command_reg, i8042_command_reg);
 569                 i8042_pnp_command_reg = i8042_command_reg;
 570                 pnp_data_busted = 1;
 571         }
 572
 573         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 574                 printk(KERN_WARNING
 575                         "PNP: PS/2 controller doesn't have KBD irq; "
 576                         "using default %d\n", i8042_kbd_irq);
 577                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 578                 pnp_data_busted = 1;
 579         }
 580
 581         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 582                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
 583                         printk(KERN_WARNING
 584                                 "PNP: PS/2 appears to have AUX port disabled, "
 585                                 "if this is incorrect please boot with "
 586                                 "i8042.nopnp\n");
 587                         i8042_noaux = 1;
 588                 } else {
 589                         printk(KERN_WARNING
 590                                 "PNP: PS/2 controller doesn't have AUX irq; "
 591                                 "using default %d\n", i8042_aux_irq);
 592                         i8042_pnp_aux_irq = i8042_aux_irq;
 593                 }
 594         }
 595
 596         i8042_data_reg = i8042_pnp_data_reg;
 597         i8042_command_reg = i8042_pnp_command_reg;
 598         i8042_kbd_irq = i8042_pnp_kbd_irq;
 599         i8042_aux_irq = i8042_pnp_aux_irq;
 600
 601         return 0;
 602 }
 603
 604 #else
 605 static inline int i8042_pnp_init(void) { return 0; }
 606 static inline void i8042_pnp_exit(void) { }
 607 #endif
 608
 609 static int __init i8042_platform_init(void)
 610 {
 611         int retval;
 612
 613 /*
 614  * On ix86 platforms touching the i8042 data register region can do really
 615  * bad things. Because of this the region is always reserved on ix86 boxes.
 616  *
 617  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 618  *              return -EBUSY;
 619  */
 620
 621         i8042_kbd_irq = I8042_MAP_IRQ(1);
 622         i8042_aux_irq = I8042_MAP_IRQ(12);
 623
 624         retval = i8042_pnp_init();
 625         if (retval)
 626                 return retval;
 627
 628 #if defined(__ia64__)
 629         i8042_reset = 1;
 630 #endif
 631
 632 #ifdef CONFIG_X86
 633         if (dmi_check_system(i8042_dmi_noloop_table))
 634                 i8042_noloop = 1;
 635
 636         if (dmi_check_system(i8042_dmi_nomux_table))
 637                 i8042_nomux = 1;
 638
 639         if (dmi_check_system(i8042_dmi_dritek_table))
 640                 i8042_dritek = 1;
 641 #endif /* CONFIG_X86 */
 642
 643         return retval;
 644 }
 645
 646 static inline void i8042_platform_exit(void)
 647 {
 648         i8042_pnp_exit();
 649 }
 650
 651 #endif /* _I8042_X86IA64IO_H */