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 #if defined(__i386__)
  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 };
 115
 116 /*
 117  * Some Fujitsu notebooks are having trouble with touchpads if
 118  * active multiplexing mode is activated. Luckily they don't have
 119  * external PS/2 ports so we can safely disable it.
 120  * ... apparently some Toshibas don't like MUX mode either and
 121  * die horrible death on reboot.
 122  */
 123 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 124         {
 125                 .ident = "Fujitsu Lifebook P7010/P7010D",
 126                 .matches = {
 127                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 128                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 129                 },
 130         },
 131         {
 132                 .ident = "Fujitsu Lifebook P7010",
 133                 .matches = {
 134                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 135                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
 136                 },
 137         },
 138         {
 139                 .ident = "Fujitsu Lifebook P5020D",
 140                 .matches = {
 141                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 142                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 143                 },
 144         },
 145         {
 146                 .ident = "Fujitsu Lifebook S2000",
 147                 .matches = {
 148                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 149                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 150                 },
 151         },
 152         {
 153                 .ident = "Fujitsu Lifebook S6230",
 154                 .matches = {
 155                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 156                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 157                 },
 158         },
 159         {
 160                 .ident = "Fujitsu T70H",
 161                 .matches = {
 162                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 163                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 164                 },
 165         },
 166         {
 167                 .ident = "Fujitsu-Siemens Lifebook T3010",
 168                 .matches = {
 169                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 170                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 171                 },
 172         },
 173         {
 174                 .ident = "Fujitsu-Siemens Lifebook E4010",
 175                 .matches = {
 176                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 177                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 178                 },
 179         },
 180         {
 181                 /*
 182                  * No data is coming from the touchscreen unless KBC
 183                  * is in legacy mode.
 184                  */
 185                 .ident = "Panasonic CF-29",
 186                 .matches = {
 187                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
 188                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 189                 },
 190         },
 191         {
 192                 /*
 193                  * Errors on MUX ports are reported without raising AUXDATA
 194                  * causing "spurious NAK" messages.
 195                  */
 196                 .ident = "HP Pavilion DV4017EA",
 197                 .matches = {
 198                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 199                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 200                 },
 201         },
 202         {
 203                 /*
 204                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 205                  */
 206                 .ident = "HP Pavilion ZT1000",
 207                 .matches = {
 208                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 209                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
 210                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 211                 },
 212         },
 213         {
 214                 /*
 215                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
 216                  */
 217                 .ident = "HP Pavilion DV4270ca",
 218                 .matches = {
 219                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
 220                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 221                 },
 222         },
 223         {
 224                 .ident = "Toshiba P10",
 225                 .matches = {
 226                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 227                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 228                 },
 229         },
 230         {
 231                 .ident = "Toshiba Equium A110",
 232                 .matches = {
 233                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 234                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 235                 },
 236         },
 237         {
 238                 .ident = "Alienware Sentia",
 239                 .matches = {
 240                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 241                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 242                 },
 243         },
 244         {
 245                 .ident = "Sharp Actius MM20",
 246                 .matches = {
 247                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 248                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 249                 },
 250         },
 251         {
 252                 .ident = "Sony Vaio FS-115b",
 253                 .matches = {
 254                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 255                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 256                 },
 257         },
 258         {
 259                 .ident = "Amoi M636/A737",
 260                 .matches = {
 261                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 262                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 263                 },
 264         },
 265         { }
 266 };
 267
 268
 269
 270 #endif
 271
 272
 273 #ifdef CONFIG_PNP
 274 #include <linux/pnp.h>
 275
 276 static int i8042_pnp_kbd_registered;
 277 static unsigned int i8042_pnp_kbd_devices;
 278 static int i8042_pnp_aux_registered;
 279 static unsigned int i8042_pnp_aux_devices;
 280
 281 static int i8042_pnp_command_reg;
 282 static int i8042_pnp_data_reg;
 283 static int i8042_pnp_kbd_irq;
 284 static int i8042_pnp_aux_irq;
 285
 286 static char i8042_pnp_kbd_name[32];
 287 static char i8042_pnp_aux_name[32];
 288
 289 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 290 {
 291         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 292                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 293
 294         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 295                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 296
 297         if (pnp_irq_valid(dev,0))
 298                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 299
 300         strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 301         if (strlen(pnp_dev_name(dev))) {
 302                 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 303                 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 304         }
 305
 306         i8042_pnp_kbd_devices++;
 307         return 0;
 308 }
 309
 310 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 311 {
 312         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 313                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 314
 315         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 316                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 317
 318         if (pnp_irq_valid(dev, 0))
 319                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 320
 321         strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 322         if (strlen(pnp_dev_name(dev))) {
 323                 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 324                 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 325         }
 326
 327         i8042_pnp_aux_devices++;
 328         return 0;
 329 }
 330
 331 static struct pnp_device_id pnp_kbd_devids[] = {
 332         { .id = "PNP0303", .driver_data = 0 },
 333         { .id = "PNP030b", .driver_data = 0 },
 334         { .id = "", },
 335 };
 336
 337 static struct pnp_driver i8042_pnp_kbd_driver = {
 338         .name           = "i8042 kbd",
 339         .id_table       = pnp_kbd_devids,
 340         .probe          = i8042_pnp_kbd_probe,
 341 };
 342
 343 static struct pnp_device_id pnp_aux_devids[] = {
 344         { .id = "FJC6000", .driver_data = 0 },
 345         { .id = "FJC6001", .driver_data = 0 },
 346         { .id = "PNP0f03", .driver_data = 0 },
 347         { .id = "PNP0f0b", .driver_data = 0 },
 348         { .id = "PNP0f0e", .driver_data = 0 },
 349         { .id = "PNP0f12", .driver_data = 0 },
 350         { .id = "PNP0f13", .driver_data = 0 },
 351         { .id = "PNP0f19", .driver_data = 0 },
 352         { .id = "PNP0f1c", .driver_data = 0 },
 353         { .id = "SYN0801", .driver_data = 0 },
 354         { .id = "", },
 355 };
 356
 357 static struct pnp_driver i8042_pnp_aux_driver = {
 358         .name           = "i8042 aux",
 359         .id_table       = pnp_aux_devids,
 360         .probe          = i8042_pnp_aux_probe,
 361 };
 362
 363 static void i8042_pnp_exit(void)
 364 {
 365         if (i8042_pnp_kbd_registered) {
 366                 i8042_pnp_kbd_registered = 0;
 367                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 368         }
 369
 370         if (i8042_pnp_aux_registered) {
 371                 i8042_pnp_aux_registered = 0;
 372                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 373         }
 374 }
 375
 376 static int __init i8042_pnp_init(void)
 377 {
 378         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 379         int pnp_data_busted = 0;
 380         int err;
 381
 382         if (i8042_nopnp) {
 383                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 384                 return 0;
 385         }
 386
 387         err = pnp_register_driver(&i8042_pnp_kbd_driver);
 388         if (!err)
 389                 i8042_pnp_kbd_registered = 1;
 390
 391         err = pnp_register_driver(&i8042_pnp_aux_driver);
 392         if (!err)
 393                 i8042_pnp_aux_registered = 1;
 394
 395         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 396                 i8042_pnp_exit();
 397 #if defined(__ia64__)
 398                 return -ENODEV;
 399 #else
 400                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 401                 return 0;
 402 #endif
 403         }
 404
 405         if (i8042_pnp_kbd_devices)
 406                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 407                         "%d", i8042_pnp_kbd_irq);
 408         if (i8042_pnp_aux_devices)
 409                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 410                         "%d", i8042_pnp_aux_irq);
 411
 412         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 413                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 414                 i8042_pnp_aux_name,
 415                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 416                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 417                 aux_irq_str);
 418
 419 #if defined(__ia64__)
 420         if (!i8042_pnp_kbd_devices)
 421                 i8042_nokbd = 1;
 422         if (!i8042_pnp_aux_devices)
 423                 i8042_noaux = 1;
 424 #endif
 425
 426         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 427               i8042_pnp_data_reg != i8042_data_reg) ||
 428             !i8042_pnp_data_reg) {
 429                 printk(KERN_WARNING
 430                         "PNP: PS/2 controller has invalid data port %#x; "
 431                         "using default %#x\n",
 432                         i8042_pnp_data_reg, i8042_data_reg);
 433                 i8042_pnp_data_reg = i8042_data_reg;
 434                 pnp_data_busted = 1;
 435         }
 436
 437         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 438               i8042_pnp_command_reg != i8042_command_reg) ||
 439             !i8042_pnp_command_reg) {
 440                 printk(KERN_WARNING
 441                         "PNP: PS/2 controller has invalid command port %#x; "
 442                         "using default %#x\n",
 443                         i8042_pnp_command_reg, i8042_command_reg);
 444                 i8042_pnp_command_reg = i8042_command_reg;
 445                 pnp_data_busted = 1;
 446         }
 447
 448         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 449                 printk(KERN_WARNING
 450                         "PNP: PS/2 controller doesn't have KBD irq; "
 451                         "using default %d\n", i8042_kbd_irq);
 452                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 453                 pnp_data_busted = 1;
 454         }
 455
 456         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 457                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
 458                         printk(KERN_WARNING
 459                                 "PNP: PS/2 appears to have AUX port disabled, "
 460                                 "if this is incorrect please boot with "
 461                                 "i8042.nopnp\n");
 462                         i8042_noaux = 1;
 463                 } else {
 464                         printk(KERN_WARNING
 465                                 "PNP: PS/2 controller doesn't have AUX irq; "
 466                                 "using default %d\n", i8042_aux_irq);
 467                         i8042_pnp_aux_irq = i8042_aux_irq;
 468                 }
 469         }
 470
 471         i8042_data_reg = i8042_pnp_data_reg;
 472         i8042_command_reg = i8042_pnp_command_reg;
 473         i8042_kbd_irq = i8042_pnp_kbd_irq;
 474         i8042_aux_irq = i8042_pnp_aux_irq;
 475
 476         return 0;
 477 }
 478
 479 #else
 480 static inline int i8042_pnp_init(void) { return 0; }
 481 static inline void i8042_pnp_exit(void) { }
 482 #endif
 483
 484 static int __init i8042_platform_init(void)
 485 {
 486         int retval;
 487
 488 /*
 489  * On ix86 platforms touching the i8042 data register region can do really
 490  * bad things. Because of this the region is always reserved on ix86 boxes.
 491  *
 492  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 493  *              return -EBUSY;
 494  */
 495
 496         i8042_kbd_irq = I8042_MAP_IRQ(1);
 497         i8042_aux_irq = I8042_MAP_IRQ(12);
 498
 499         retval = i8042_pnp_init();
 500         if (retval)
 501                 return retval;
 502
 503 #if defined(__ia64__)
 504         i8042_reset = 1;
 505 #endif
 506
 507 #if defined(__i386__)
 508         if (dmi_check_system(i8042_dmi_noloop_table))
 509                 i8042_noloop = 1;
 510
 511         if (dmi_check_system(i8042_dmi_nomux_table))
 512                 i8042_nomux = 1;
 513 #endif
 514
 515         return retval;
 516 }
 517
 518 static inline void i8042_platform_exit(void)
 519 {
 520         i8042_pnp_exit();
 521 }
 522
 523 #endif /* _I8042_X86IA64IO_H */