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