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                 .ident = "HP DV9700",
 156                 .matches = {
 157                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 158                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
 159                         DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
 160                 },
 161         },
 162         { }
 163 };
 164
 165 /*
 166  * Some Fujitsu notebooks are having trouble with touchpads if
 167  * active multiplexing mode is activated. Luckily they don't have
 168  * external PS/2 ports so we can safely disable it.
 169  * ... apparently some Toshibas don't like MUX mode either and
 170  * die horrible death on reboot.
 171  */
 172 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 173         {
 174                 .ident = "Fujitsu Lifebook P7010/P7010D",
 175                 .matches = {
 176                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 177                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 178                 },
 179         },
 180         {
 181                 .ident = "Fujitsu Lifebook P7010",
 182                 .matches = {
 183                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 184                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 185                 },
 186         },
 187         {
 188                 .ident = "Fujitsu Lifebook P5020D",
 189                 .matches = {
 190                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 191                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 192                 },
 193         },
 194         {
 195                 .ident = "Fujitsu Lifebook S2000",
 196                 .matches = {
 197                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 198                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 199                 },
 200         },
 201         {
 202                 .ident = "Fujitsu Lifebook S6230",
 203                 .matches = {
 204                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 205                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 206                 },
 207         },
 208         {
 209                 .ident = "Fujitsu T70H",
 210                 .matches = {
 211                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 212                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 213                 },
 214         },
 215         {
 216                 .ident = "Fujitsu-Siemens Lifebook T3010",
 217                 .matches = {
 218                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 219                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 220                 },
 221         },
 222         {
 223                 .ident = "Fujitsu-Siemens Lifebook E4010",
 224                 .matches = {
 225                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 226                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 227                 },
 228         },
 229         {
 230                 .ident = "Fujitsu-Siemens Amilo Pro 2010",
 231                 .matches = {
 232                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 233                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 234                 },
 235         },
 236         {
 237                 .ident = "Fujitsu-Siemens Amilo Pro 2030",
 238                 .matches = {
 239                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 240                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 241                 },
 242         },
 243         {
 244                 /*
 245                  * No data is coming from the touchscreen unless KBC
 246                  * is in legacy mode.
 247                  */
 248                 .ident = "Panasonic CF-29",
 249                 .matches = {
 250                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 251                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 252                 },
 253         },
 254         {
 255                 /*
 256                  * Errors on MUX ports are reported without raising AUXDATA
 257                  * causing "spurious NAK" messages.
 258                  */
 259                 .ident = "HP Pavilion DV4017EA",
 260                 .matches = {
 261                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 262                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 263                 },
 264         },
 265         {
 266                 /*
 267                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 268                  */
 269                 .ident = "HP Pavilion ZT1000",
 270                 .matches = {
 271                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 272                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 273                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 274                 },
 275         },
 276         {
 277                 /*
 278                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 279                  */
 280                 .ident = "HP Pavilion DV4270ca",
 281                 .matches = {
 282                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 283                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 284                 },
 285         },
 286         {
 287                 .ident = "Toshiba P10",
 288                 .matches = {
 289                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 290                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 291                 },
 292         },
 293         {
 294                 .ident = "Toshiba Equium A110",
 295                 .matches = {
 296                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 297                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 298                 },
 299         },
 300         {
 301                 .ident = "Alienware Sentia",
 302                 .matches = {
 303                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 304                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 305                 },
 306         },
 307         {
 308                 .ident = "Sharp Actius MM20",
 309                 .matches = {
 310                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 311                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 312                 },
 313         },
 314         {
 315                 .ident = "Sony Vaio FS-115b",
 316                 .matches = {
 317                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 318                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 319                 },
 320         },
 321         {
 322                 .ident = "Amoi M636/A737",
 323                 .matches = {
 324                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 325                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 326                 },
 327         },
 328         {
 329                 .ident = "Lenovo 3000 n100",
 330                 .matches = {
 331                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 332                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 333                 },
 334         },
 335         {
 336                 .ident = "Acer Aspire 1360",
 337                 .matches = {
 338                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 339                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 340                 },
 341         },
 342         {
 343                 .ident = "Gericom Bellagio",
 344                 .matches = {
 345                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
 346                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 347                 },
 348         },
 349         {
 350                 .ident = "IBM 2656",
 351                 .matches = {
 352                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
 353                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 354                 },
 355         },
 356         {
 357                 .ident = "Dell XPS M1530",
 358                 .matches = {
 359                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 360                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 361                 },
 362         },
 363         {
 364                 .ident = "Compal HEL80I",
 365                 .matches = {
 366                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
 367                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 368                 },
 369         },
 370         {
 371                 .ident = "Dell Vostro 1510",
 372                 .matches = {
 373                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 374                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 375                 },
 376         },
 377         { }
 378 };
 379
 380 #ifdef CONFIG_PNP
 381 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
 382         {
 383                 .ident = "Intel MBO Desktop D845PESV",
 384                 .matches = {
 385                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 386                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
 387                 },
 388         },
 389         { }
 390 };
 391 #endif
 392
 393 /*
 394  * Some Wistron based laptops need us to explicitly enable the 'Dritek
 395  * keyboard extension' to make their extra keys start generating scancodes.
 396  * Originally, this was just confined to older laptops, but a few Acer laptops
 397  * have turned up in 2007 that also need this again.
 398  */
 399 static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
 400         {
 401                 .ident = "Acer Aspire 5630",
 402                 .matches = {
 403                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 404                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 405                 },
 406         },
 407         {
 408                 .ident = "Acer Aspire 5650",
 409                 .matches = {
 410                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 411                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 412                 },
 413         },
 414         {
 415                 .ident = "Acer Aspire 5680",
 416                 .matches = {
 417                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 418                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 419                 },
 420         },
 421         {
 422                 .ident = "Acer Aspire 5720",
 423                 .matches = {
 424                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 425                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 426                 },
 427         },
 428         {
 429                 .ident = "Acer Aspire 9110",
 430                 .matches = {
 431                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 432                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 433                 },
 434         },
 435         {
 436                 .ident = "Acer TravelMate 660",
 437                 .matches = {
 438                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 439                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 440                 },
 441         },
 442         {
 443                 .ident = "Acer TravelMate 2490",
 444                 .matches = {
 445                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 446                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 447                 },
 448         },
 449         {
 450                 .ident = "Acer TravelMate 4280",
 451                 .matches = {
 452                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
 453                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 454                 },
 455         },
 456         { }
 457 };
 458
 459 #endif /* CONFIG_X86 */
 460
 461 #ifdef CONFIG_PNP
 462 #include <linux/pnp.h>
 463
 464 static int i8042_pnp_kbd_registered;
 465 static unsigned int i8042_pnp_kbd_devices;
 466 static int i8042_pnp_aux_registered;
 467 static unsigned int i8042_pnp_aux_devices;
 468
 469 static int i8042_pnp_command_reg;
 470 static int i8042_pnp_data_reg;
 471 static int i8042_pnp_kbd_irq;
 472 static int i8042_pnp_aux_irq;
 473
 474 static char i8042_pnp_kbd_name[32];
 475 static char i8042_pnp_aux_name[32];
 476
 477 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 478 {
 479         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 480                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 481
 482         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 483                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 484
 485         if (pnp_irq_valid(dev,0))
 486                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 487
 488         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 489         if (strlen(pnp_dev_name(dev))) {
 490                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 491                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 492         }
 493
 494         i8042_pnp_kbd_devices++;
 495         return 0;
 496 }
 497
 498 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 499 {
 500         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 501                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 502
 503         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 504                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 505
 506         if (pnp_irq_valid(dev, 0))
 507                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 508
 509         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 510         if (strlen(pnp_dev_name(dev))) {
 511                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 512                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 513         }
 514
 515         i8042_pnp_aux_devices++;
 516         return 0;
 517 }
 518
 519 static struct pnp_device_id pnp_kbd_devids[] = {
 520         { .id = "PNP0303", .driver_data = 0 },
 521         { .id = "PNP030b", .driver_data = 0 },
 522         { .id = "", },
 523 };
 524
 525 static struct pnp_driver i8042_pnp_kbd_driver = {
 526         .name           = "i8042 kbd",
 527         .id_table       = pnp_kbd_devids,
 528         .probe          = i8042_pnp_kbd_probe,
 529 };
 530
 531 static struct pnp_device_id pnp_aux_devids[] = {
 532         { .id = "FJC6000", .driver_data = 0 },
 533         { .id = "FJC6001", .driver_data = 0 },
 534         { .id = "PNP0f03", .driver_data = 0 },
 535         { .id = "PNP0f0b", .driver_data = 0 },
 536         { .id = "PNP0f0e", .driver_data = 0 },
 537         { .id = "PNP0f12", .driver_data = 0 },
 538         { .id = "PNP0f13", .driver_data = 0 },
 539         { .id = "PNP0f19", .driver_data = 0 },
 540         { .id = "PNP0f1c", .driver_data = 0 },
 541         { .id = "SYN0801", .driver_data = 0 },
 542         { .id = "", },
 543 };
 544
 545 static struct pnp_driver i8042_pnp_aux_driver = {
 546         .name           = "i8042 aux",
 547         .id_table       = pnp_aux_devids,
 548         .probe          = i8042_pnp_aux_probe,
 549 };
 550
 551 static void i8042_pnp_exit(void)
 552 {
 553         if (i8042_pnp_kbd_registered) {
 554                 i8042_pnp_kbd_registered = 0;
 555                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 556         }
 557
 558         if (i8042_pnp_aux_registered) {
 559                 i8042_pnp_aux_registered = 0;
 560                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 561         }
 562 }
 563
 564 static int __init i8042_pnp_init(void)
 565 {
 566         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 567         int pnp_data_busted = 0;
 568         int err;
 569
 570 #ifdef CONFIG_X86
 571         if (dmi_check_system(i8042_dmi_nopnp_table))
 572                 i8042_nopnp = 1;
 573 #endif
 574
 575         if (i8042_nopnp) {
 576                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 577                 return 0;
 578         }
 579
 580         err = pnp_register_driver(&i8042_pnp_kbd_driver);
 581         if (!err)
 582                 i8042_pnp_kbd_registered = 1;
 583
 584         err = pnp_register_driver(&i8042_pnp_aux_driver);
 585         if (!err)
 586                 i8042_pnp_aux_registered = 1;
 587
 588         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 589                 i8042_pnp_exit();
 590 #if defined(__ia64__)
 591                 return -ENODEV;
 592 #else
 593                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 594                 return 0;
 595 #endif
 596         }
 597
 598         if (i8042_pnp_kbd_devices)
 599                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 600                         "%d", i8042_pnp_kbd_irq);
 601         if (i8042_pnp_aux_devices)
 602                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 603                         "%d", i8042_pnp_aux_irq);
 604
 605         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 606                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 607                 i8042_pnp_aux_name,
 608                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 609                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 610                 aux_irq_str);
 611
 612 #if defined(__ia64__)
 613         if (!i8042_pnp_kbd_devices)
 614                 i8042_nokbd = 1;
 615         if (!i8042_pnp_aux_devices)
 616                 i8042_noaux = 1;
 617 #endif
 618
 619         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 620               i8042_pnp_data_reg != i8042_data_reg) ||
 621             !i8042_pnp_data_reg) {
 622                 printk(KERN_WARNING
 623                         "PNP: PS/2 controller has invalid data port %#x; "
 624                         "using default %#x\n",
 625                         i8042_pnp_data_reg, i8042_data_reg);
 626                 i8042_pnp_data_reg = i8042_data_reg;
 627                 pnp_data_busted = 1;
 628         }
 629
 630         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 631               i8042_pnp_command_reg != i8042_command_reg) ||
 632             !i8042_pnp_command_reg) {
 633                 printk(KERN_WARNING
 634                         "PNP: PS/2 controller has invalid command port %#x; "
 635                         "using default %#x\n",
 636                         i8042_pnp_command_reg, i8042_command_reg);
 637                 i8042_pnp_command_reg = i8042_command_reg;
 638                 pnp_data_busted = 1;
 639         }
 640
 641         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 642                 printk(KERN_WARNING
 643                         "PNP: PS/2 controller doesn't have KBD irq; "
 644                         "using default %d\n", i8042_kbd_irq);
 645                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 646                 pnp_data_busted = 1;
 647         }
 648
 649         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 650                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
 651                         printk(KERN_WARNING
 652                                 "PNP: PS/2 appears to have AUX port disabled, "
 653                                 "if this is incorrect please boot with "
 654                                 "i8042.nopnp\n");
 655                         i8042_noaux = 1;
 656                 } else {
 657                         printk(KERN_WARNING
 658                                 "PNP: PS/2 controller doesn't have AUX irq; "
 659                                 "using default %d\n", i8042_aux_irq);
 660                         i8042_pnp_aux_irq = i8042_aux_irq;
 661                 }
 662         }
 663
 664         i8042_data_reg = i8042_pnp_data_reg;
 665         i8042_command_reg = i8042_pnp_command_reg;
 666         i8042_kbd_irq = i8042_pnp_kbd_irq;
 667         i8042_aux_irq = i8042_pnp_aux_irq;
 668
 669         return 0;
 670 }
 671
 672 #else
 673 static inline int i8042_pnp_init(void) { return 0; }
 674 static inline void i8042_pnp_exit(void) { }
 675 #endif
 676
 677 static int __init i8042_platform_init(void)
 678 {
 679         int retval;
 680
 681 /*
 682  * On ix86 platforms touching the i8042 data register region can do really
 683  * bad things. Because of this the region is always reserved on ix86 boxes.
 684  *
 685  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 686  *              return -EBUSY;
 687  */
 688
 689         i8042_kbd_irq = I8042_MAP_IRQ(1);
 690         i8042_aux_irq = I8042_MAP_IRQ(12);
 691
 692         retval = i8042_pnp_init();
 693         if (retval)
 694                 return retval;
 695
 696 #if defined(__ia64__)
 697         i8042_reset = 1;
 698 #endif
 699
 700 #ifdef CONFIG_X86
 701         if (dmi_check_system(i8042_dmi_noloop_table))
 702                 i8042_noloop = 1;
 703
 704         if (dmi_check_system(i8042_dmi_nomux_table))
 705                 i8042_nomux = 1;
 706
 707         if (dmi_check_system(i8042_dmi_dritek_table))
 708                 i8042_dritek = 1;
 709 #endif /* CONFIG_X86 */
 710
 711         return retval;
 712 }
 713
 714 static inline void i8042_platform_exit(void)
 715 {
 716         i8042_pnp_exit();
 717 }
 718
 719 #endif /* _I8042_X86IA64IO_H */