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                 .ident = "Compaq Proliant 8500",
  73                 .matches = {
  74                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  75                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  76                         DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
  77                 },
  78         },
  79         {
  80                 .ident = "Compaq Proliant DL760",
  81                 .matches = {
  82                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  83                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  84                         DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
  85                 },
  86         },
  87         {
  88                 .ident = "OQO Model 01",
  89                 .matches = {
  90                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
  91                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
  92                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
  93                 },
  94         },
  95         { }
  96 };
  97
  98 /*
  99  * Some Fujitsu notebooks are having trouble with touchpads if
 100  * active multiplexing mode is activated. Luckily they don't have
 101  * external PS/2 ports so we can safely disable it.
 102  * ... apparently some Toshibas don't like MUX mode either and
 103  * die horrible death on reboot.
 104  */
 105 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 106         {
 107                 .ident = "Fujitsu Lifebook P7010/P7010D",
 108                 .matches = {
 109                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 110                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 111                 },
 112         },
 113         {
 114                 .ident = "Fujitsu Lifebook P5020D",
 115                 .matches = {
 116                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 117                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 118                 },
 119         },
 120         {
 121                 .ident = "Fujitsu Lifebook S2000",
 122                 .matches = {
 123                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 124                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 125                 },
 126         },
 127         {
 128                 .ident = "Fujitsu Lifebook S6230",
 129                 .matches = {
 130                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 131                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 132                 },
 133         },
 134         {
 135                 .ident = "Fujitsu T70H",
 136                 .matches = {
 137                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 138                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 139                 },
 140         },
 141         {
 142                 .ident = "Fujitsu-Siemens Lifebook T3010",
 143                 .matches = {
 144                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 145                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 146                 },
 147         },
 148         {
 149                 .ident = "Fujitsu-Siemens Lifebook E4010",
 150                 .matches = {
 151                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 152                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 153                 },
 154         },
 155         {
 156                 .ident = "Toshiba P10",
 157                 .matches = {
 158                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 159                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 160                 },
 161         },
 162         {
 163                 .ident = "Toshiba Equium A110",
 164                 .matches = {
 165                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 166                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 167                 },
 168         },
 169         {
 170                 .ident = "Alienware Sentia",
 171                 .matches = {
 172                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 173                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 174                 },
 175         },
 176         {
 177                 .ident = "Sharp Actius MM20",
 178                 .matches = {
 179                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 180                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 181                 },
 182         },
 183         {
 184                 .ident = "Sony Vaio FS-115b",
 185                 .matches = {
 186                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 187                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 188                 },
 189         },
 190         {
 191                 .ident = "Amoi M636/A737",
 192                 .matches = {
 193                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 194                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 195                 },
 196         },
 197         { }
 198 };
 199
 200
 201
 202 #endif
 203
 204
 205 #ifdef CONFIG_PNP
 206 #include <linux/pnp.h>
 207
 208 static int i8042_pnp_kbd_registered;
 209 static unsigned int i8042_pnp_kbd_devices;
 210 static int i8042_pnp_aux_registered;
 211 static unsigned int i8042_pnp_aux_devices;
 212
 213 static int i8042_pnp_command_reg;
 214 static int i8042_pnp_data_reg;
 215 static int i8042_pnp_kbd_irq;
 216 static int i8042_pnp_aux_irq;
 217
 218 static char i8042_pnp_kbd_name[32];
 219 static char i8042_pnp_aux_name[32];
 220
 221 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 222 {
 223         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 224                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 225
 226         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 227                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 228
 229         if (pnp_irq_valid(dev,0))
 230                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 231
 232         strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 233         if (strlen(pnp_dev_name(dev))) {
 234                 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 235                 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 236         }
 237
 238         i8042_pnp_kbd_devices++;
 239         return 0;
 240 }
 241
 242 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 243 {
 244         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 245                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 246
 247         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 248                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 249
 250         if (pnp_irq_valid(dev, 0))
 251                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 252
 253         strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 254         if (strlen(pnp_dev_name(dev))) {
 255                 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 256                 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 257         }
 258
 259         i8042_pnp_aux_devices++;
 260         return 0;
 261 }
 262
 263 static struct pnp_device_id pnp_kbd_devids[] = {
 264         { .id = "PNP0303", .driver_data = 0 },
 265         { .id = "PNP030b", .driver_data = 0 },
 266         { .id = "", },
 267 };
 268
 269 static struct pnp_driver i8042_pnp_kbd_driver = {
 270         .name           = "i8042 kbd",
 271         .id_table       = pnp_kbd_devids,
 272         .probe          = i8042_pnp_kbd_probe,
 273 };
 274
 275 static struct pnp_device_id pnp_aux_devids[] = {
 276         { .id = "PNP0f03", .driver_data = 0 },
 277         { .id = "PNP0f0b", .driver_data = 0 },
 278         { .id = "PNP0f0e", .driver_data = 0 },
 279         { .id = "PNP0f12", .driver_data = 0 },
 280         { .id = "PNP0f13", .driver_data = 0 },
 281         { .id = "PNP0f19", .driver_data = 0 },
 282         { .id = "PNP0f1c", .driver_data = 0 },
 283         { .id = "SYN0801", .driver_data = 0 },
 284         { .id = "", },
 285 };
 286
 287 static struct pnp_driver i8042_pnp_aux_driver = {
 288         .name           = "i8042 aux",
 289         .id_table       = pnp_aux_devids,
 290         .probe          = i8042_pnp_aux_probe,
 291 };
 292
 293 static void i8042_pnp_exit(void)
 294 {
 295         if (i8042_pnp_kbd_registered) {
 296                 i8042_pnp_kbd_registered = 0;
 297                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 298         }
 299
 300         if (i8042_pnp_aux_registered) {
 301                 i8042_pnp_aux_registered = 0;
 302                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 303         }
 304 }
 305
 306 static int __init i8042_pnp_init(void)
 307 {
 308         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 309         int err;
 310
 311         if (i8042_nopnp) {
 312                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 313                 return 0;
 314         }
 315
 316         err = pnp_register_driver(&i8042_pnp_kbd_driver);
 317         if (!err)
 318                 i8042_pnp_kbd_registered = 1;
 319
 320         err = pnp_register_driver(&i8042_pnp_aux_driver);
 321         if (!err)
 322                 i8042_pnp_aux_registered = 1;
 323
 324         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 325                 i8042_pnp_exit();
 326 #if defined(__ia64__)
 327                 return -ENODEV;
 328 #else
 329                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 330                 return 0;
 331 #endif
 332         }
 333
 334         if (i8042_pnp_kbd_devices)
 335                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 336                         "%d", i8042_pnp_kbd_irq);
 337         if (i8042_pnp_aux_devices)
 338                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 339                         "%d", i8042_pnp_aux_irq);
 340
 341         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 342                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 343                 i8042_pnp_aux_name,
 344                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 345                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 346                 aux_irq_str);
 347
 348 #if defined(__ia64__)
 349         if (!i8042_pnp_kbd_devices)
 350                 i8042_nokbd = 1;
 351         if (!i8042_pnp_aux_devices)
 352                 i8042_noaux = 1;
 353 #endif
 354
 355         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 356               i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
 357                 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
 358                         i8042_pnp_data_reg, i8042_data_reg);
 359                 i8042_pnp_data_reg = i8042_data_reg;
 360         }
 361
 362         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 363               i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
 364                 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
 365                         i8042_pnp_command_reg, i8042_command_reg);
 366                 i8042_pnp_command_reg = i8042_command_reg;
 367         }
 368
 369         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 370                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
 371                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 372         }
 373
 374         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 375                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
 376                 i8042_pnp_aux_irq = i8042_aux_irq;
 377         }
 378
 379         i8042_data_reg = i8042_pnp_data_reg;
 380         i8042_command_reg = i8042_pnp_command_reg;
 381         i8042_kbd_irq = i8042_pnp_kbd_irq;
 382         i8042_aux_irq = i8042_pnp_aux_irq;
 383
 384         return 0;
 385 }
 386
 387 #else
 388 static inline int i8042_pnp_init(void) { return 0; }
 389 static inline void i8042_pnp_exit(void) { }
 390 #endif
 391
 392 static int __init i8042_platform_init(void)
 393 {
 394         int retval;
 395
 396 /*
 397  * On ix86 platforms touching the i8042 data register region can do really
 398  * bad things. Because of this the region is always reserved on ix86 boxes.
 399  *
 400  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 401  *              return -EBUSY;
 402  */
 403
 404         i8042_kbd_irq = I8042_MAP_IRQ(1);
 405         i8042_aux_irq = I8042_MAP_IRQ(12);
 406
 407         retval = i8042_pnp_init();
 408         if (retval)
 409                 return retval;
 410
 411 #if defined(__ia64__)
 412         i8042_reset = 1;
 413 #endif
 414
 415 #if defined(__i386__)
 416         if (dmi_check_system(i8042_dmi_noloop_table))
 417                 i8042_noloop = 1;
 418
 419         if (dmi_check_system(i8042_dmi_nomux_table))
 420                 i8042_nomux = 1;
 421 #endif
 422
 423         return retval;
 424 }
 425
 426 static inline void i8042_platform_exit(void)
 427 {
 428         i8042_pnp_exit();
 429 }
 430
 431 #endif /* _I8042_X86IA64IO_H */