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 };
 148
 149 /*
 150  * Some Fujitsu notebooks are having trouble with touchpads if
 151  * active multiplexing mode is activated. Luckily they don't have
 152  * external PS/2 ports so we can safely disable it.
 153  * ... apparently some Toshibas don't like MUX mode either and
 154  * die horrible death on reboot.
 155  */
 156 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 157         {
 158                 .ident = "Fujitsu Lifebook P7010/P7010D",
 159                 .matches = {
 160                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 161                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 162                 },
 163         },
 164         {
 165                 .ident = "Fujitsu Lifebook P7010",
 166                 .matches = {
 167                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 168                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 169                 },
 170         },
 171         {
 172                 .ident = "Fujitsu Lifebook P5020D",
 173                 .matches = {
 174                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 175                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 176                 },
 177         },
 178         {
 179                 .ident = "Fujitsu Lifebook S2000",
 180                 .matches = {
 181                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 182                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 183                 },
 184         },
 185         {
 186                 .ident = "Fujitsu Lifebook S6230",
 187                 .matches = {
 188                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 189                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 190                 },
 191         },
 192         {
 193                 .ident = "Fujitsu T70H",
 194                 .matches = {
 195                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 196                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 197                 },
 198         },
 199         {
 200                 .ident = "Fujitsu-Siemens Lifebook T3010",
 201                 .matches = {
 202                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 203                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 204                 },
 205         },
 206         {
 207                 .ident = "Fujitsu-Siemens Lifebook E4010",
 208                 .matches = {
 209                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 210                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 211                 },
 212         },
 213         {
 214                 .ident = "Fujitsu-Siemens Amilo Pro 2010",
 215                 .matches = {
 216                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 217                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 218                 },
 219         },
 220         {
 221                 .ident = "Fujitsu-Siemens Amilo Pro 2030",
 222                 .matches = {
 223                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 224                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 225                 },
 226         },
 227         {
 228                 /*
 229                  * No data is coming from the touchscreen unless KBC
 230                  * is in legacy mode.
 231                  */
 232                 .ident = "Panasonic CF-29",
 233                 .matches = {
 234                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 235                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 236                 },
 237         },
 238         {
 239                 /*
 240                  * Errors on MUX ports are reported without raising AUXDATA
 241                  * causing "spurious NAK" messages.
 242                  */
 243                 .ident = "HP Pavilion DV4017EA",
 244                 .matches = {
 245                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 246                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 247                 },
 248         },
 249         {
 250                 /*
 251                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 252                  */
 253                 .ident = "HP Pavilion ZT1000",
 254                 .matches = {
 255                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 256                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 257                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 258                 },
 259         },
 260         {
 261                 /*
 262                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 263                  */
 264                 .ident = "HP Pavilion DV4270ca",
 265                 .matches = {
 266                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 267                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 268                 },
 269         },
 270         {
 271                 .ident = "Toshiba P10",
 272                 .matches = {
 273                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 274                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 275                 },
 276         },
 277         {
 278                 .ident = "Toshiba Equium A110",
 279                 .matches = {
 280                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 281                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 282                 },
 283         },
 284         {
 285                 .ident = "Alienware Sentia",
 286                 .matches = {
 287                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 288                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 289                 },
 290         },
 291         {
 292                 .ident = "Sharp Actius MM20",
 293                 .matches = {
 294                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 295                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 296                 },
 297         },
 298         {
 299                 .ident = "Sony Vaio FS-115b",
 300                 .matches = {
 301                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 302                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 303                 },
 304         },
 305         {
 306                 .ident = "Amoi M636/A737",
 307                 .matches = {
 308                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 309                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 310                 },
 311         },
 312         {
 313                 .ident = "Lenovo 3000 n100",
 314                 .matches = {
 315                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 316                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 317                 },
 318         },
 319         {
 320                 .ident = "Acer Aspire 1360",
 321                 .matches = {
 322                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 323                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 324                 },
 325         },
 326         {
 327                 .ident = "Gericom Bellagio",
 328                 .matches = {
 329                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 330                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 331                 },
 332         },
 333         {
 334                 .ident = "IBM 2656",
 335                 .matches = {
 336                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 337                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 338                 },
 339         },
 340         { }
 341 };
 342
 343 #ifdef CONFIG_PNP
 344 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
 345         {
 346                 .ident = "Intel MBO Desktop D845PESV",
 347                 .matches = {
 348                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 349                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 350                 },
 351         },
 352         { }
 353 };
 354 #endif
 355
 356 /*
 357  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 358  * keyboard extension' to make their extra keys start generating scancodes.
 359  * Originally, this was just confined to older laptops, but a few Acer laptops
 360  * have turned up in 2007 that also need this again.
 361  */
 362 static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
 363         {
 364                 .ident = "Acer Aspire 5630",
 365                 .matches = {
 366                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 367                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 368                 },
 369         },
 370         {
 371                 .ident = "Acer Aspire 5650",
 372                 .matches = {
 373                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 374                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 375                 },
 376         },
 377         {
 378                 .ident = "Acer Aspire 5680",
 379                 .matches = {
 380                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 381                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 382                 },
 383         },
 384         {
 385                 .ident = "Acer Aspire 5720",
 386                 .matches = {
 387                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 388                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 389                 },
 390         },
 391         {
 392                 .ident = "Acer Aspire 9110",
 393                 .matches = {
 394                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 395                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 396                 },
 397         },
 398         {
 399                 .ident = "Acer TravelMate 660",
 400                 .matches = {
 401                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 402                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 403                 },
 404         },
 405         {
 406                 .ident = "Acer TravelMate 2490",
 407                 .matches = {
 408                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 409                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 410                 },
 411         },
 412         {
 413                 .ident = "Acer TravelMate 4280",
 414                 .matches = {
 415                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 416                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 417                 },
 418         },
 419         { }
 420 };
 421
 422 #endif /* CONFIG_X86 */
 423
 424 #ifdef CONFIG_PNP
 425 #include <linux/pnp.h>
 426
 427 static int i8042_pnp_kbd_registered;
 428 static unsigned int i8042_pnp_kbd_devices;
 429 static int i8042_pnp_aux_registered;
 430 static unsigned int i8042_pnp_aux_devices;
 431
 432 static int i8042_pnp_command_reg;
 433 static int i8042_pnp_data_reg;
 434 static int i8042_pnp_kbd_irq;
 435 static int i8042_pnp_aux_irq;
 436
 437 static char i8042_pnp_kbd_name[32];
 438 static char i8042_pnp_aux_name[32];
 439
 440 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 441 {
 442         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 443                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 444
 445         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 446                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 447
 448         if (pnp_irq_valid(dev,0))
 449                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 450
 451         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 452         if (strlen(pnp_dev_name(dev))) {
 453                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 454                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 455         }
 456
 457         i8042_pnp_kbd_devices++;
 458         return 0;
 459 }
 460
 461 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 462 {
 463         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 464                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 465
 466         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 467                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 468
 469         if (pnp_irq_valid(dev, 0))
 470                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 471
 472         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 473         if (strlen(pnp_dev_name(dev))) {
 474                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 475                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 476         }
 477
 478         i8042_pnp_aux_devices++;
 479         return 0;
 480 }
 481
 482 static struct pnp_device_id pnp_kbd_devids[] = {
 483         { .id = "PNP0303", .driver_data = 0 },
 484         { .id = "PNP030b", .driver_data = 0 },
 485         { .id = "", },
 486 };
 487
 488 static struct pnp_driver i8042_pnp_kbd_driver = {
 489         .name           = "i8042 kbd",
 490         .id_table       = pnp_kbd_devids,
 491         .probe          = i8042_pnp_kbd_probe,
 492 };
 493
 494 static struct pnp_device_id pnp_aux_devids[] = {
 495         { .id = "FJC6000", .driver_data = 0 },
 496         { .id = "FJC6001", .driver_data = 0 },
 497         { .id = "PNP0f03", .driver_data = 0 },
 498         { .id = "PNP0f0b", .driver_data = 0 },
 499         { .id = "PNP0f0e", .driver_data = 0 },
 500         { .id = "PNP0f12", .driver_data = 0 },
 501         { .id = "PNP0f13", .driver_data = 0 },
 502         { .id = "PNP0f19", .driver_data = 0 },
 503         { .id = "PNP0f1c", .driver_data = 0 },
 504         { .id = "SYN0801", .driver_data = 0 },
 505         { .id = "", },
 506 };
 507
 508 static struct pnp_driver i8042_pnp_aux_driver = {
 509         .name           = "i8042 aux",
 510         .id_table       = pnp_aux_devids,
 511         .probe          = i8042_pnp_aux_probe,
 512 };
 513
 514 static void i8042_pnp_exit(void)
 515 {
 516         if (i8042_pnp_kbd_registered) {
 517                 i8042_pnp_kbd_registered = 0;
 518                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 519         }
 520
 521         if (i8042_pnp_aux_registered) {
 522                 i8042_pnp_aux_registered = 0;
 523                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 524         }
 525 }
 526
 527 static int __init i8042_pnp_init(void)
 528 {
 529         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 530         int pnp_data_busted = 0;
 531         int err;
 532
 533 #ifdef CONFIG_X86
 534         if (dmi_check_system(i8042_dmi_nopnp_table))
 535                 i8042_nopnp = 1;
 536 #endif
 537
 538         if (i8042_nopnp) {
 539                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 540                 return 0;
 541         }
 542
 543         err = pnp_register_driver(&i8042_pnp_kbd_driver);
 544         if (!err)
 545                 i8042_pnp_kbd_registered = 1;
 546
 547         err = pnp_register_driver(&i8042_pnp_aux_driver);
 548         if (!err)
 549                 i8042_pnp_aux_registered = 1;
 550
 551         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 552                 i8042_pnp_exit();
 553 #if defined(__ia64__)
 554                 return -ENODEV;
 555 #else
 556                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 557                 return 0;
 558 #endif
 559         }
 560
 561         if (i8042_pnp_kbd_devices)
 562                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 563                         "%d", i8042_pnp_kbd_irq);
 564         if (i8042_pnp_aux_devices)
 565                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 566                         "%d", i8042_pnp_aux_irq);
 567
 568         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 569                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 570                 i8042_pnp_aux_name,
 571                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 572                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 573                 aux_irq_str);
 574
 575 #if defined(__ia64__)
 576         if (!i8042_pnp_kbd_devices)
 577                 i8042_nokbd = 1;
 578         if (!i8042_pnp_aux_devices)
 579                 i8042_noaux = 1;
 580 #endif
 581
 582         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 583               i8042_pnp_data_reg != i8042_data_reg) ||
 584             !i8042_pnp_data_reg) {
 585                 printk(KERN_WARNING
 586                         "PNP: PS/2 controller has invalid data port %#x; "
 587                         "using default %#x\n",
 588                         i8042_pnp_data_reg, i8042_data_reg);
 589                 i8042_pnp_data_reg = i8042_data_reg;
 590                 pnp_data_busted = 1;
 591         }
 592
 593         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 594               i8042_pnp_command_reg != i8042_command_reg) ||
 595             !i8042_pnp_command_reg) {
 596                 printk(KERN_WARNING
 597                         "PNP: PS/2 controller has invalid command port %#x; "
 598                         "using default %#x\n",
 599                         i8042_pnp_command_reg, i8042_command_reg);
 600                 i8042_pnp_command_reg = i8042_command_reg;
 601                 pnp_data_busted = 1;
 602         }
 603
 604         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 605                 printk(KERN_WARNING
 606                         "PNP: PS/2 controller doesn't have KBD irq; "
 607                         "using default %d\n", i8042_kbd_irq);
 608                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 609                 pnp_data_busted = 1;
 610         }
 611
 612         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 613                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
 614                         printk(KERN_WARNING
 615                                 "PNP: PS/2 appears to have AUX port disabled, "
 616                                 "if this is incorrect please boot with "
 617                                 "i8042.nopnp\n");
 618                         i8042_noaux = 1;
 619                 } else {
 620                         printk(KERN_WARNING
 621                                 "PNP: PS/2 controller doesn't have AUX irq; "
 622                                 "using default %d\n", i8042_aux_irq);
 623                         i8042_pnp_aux_irq = i8042_aux_irq;
 624                 }
 625         }
 626
 627         i8042_data_reg = i8042_pnp_data_reg;
 628         i8042_command_reg = i8042_pnp_command_reg;
 629         i8042_kbd_irq = i8042_pnp_kbd_irq;
 630         i8042_aux_irq = i8042_pnp_aux_irq;
 631
 632         return 0;
 633 }
 634
 635 #else
 636 static inline int i8042_pnp_init(void) { return 0; }
 637 static inline void i8042_pnp_exit(void) { }
 638 #endif
 639
 640 static int __init i8042_platform_init(void)
 641 {
 642         int retval;
 643
 644 /*
 645  * On ix86 platforms touching the i8042 data register region can do really
 646  * bad things. Because of this the region is always reserved on ix86 boxes.
 647  *
 648  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 649  *              return -EBUSY;
 650  */
 651
 652         i8042_kbd_irq = I8042_MAP_IRQ(1);
 653         i8042_aux_irq = I8042_MAP_IRQ(12);
 654
 655         retval = i8042_pnp_init();
 656         if (retval)
 657                 return retval;
 658
 659 #if defined(__ia64__)
 660         i8042_reset = 1;
 661 #endif
 662
 663 #ifdef CONFIG_X86
 664         if (dmi_check_system(i8042_dmi_noloop_table))
 665                 i8042_noloop = 1;
 666
 667         if (dmi_check_system(i8042_dmi_nomux_table))
 668                 i8042_nomux = 1;
 669
 670         if (dmi_check_system(i8042_dmi_dritek_table))
 671                 i8042_dritek = 1;
 672 #endif /* CONFIG_X86 */
 673
 674         return retval;
 675 }
 676
 677 static inline void i8042_platform_exit(void)
 678 {
 679         i8042_pnp_exit();
 680 }
 681
 682 #endif /* _I8042_X86IA64IO_H */