err.no Git - linux-2.6/blob - 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 = "Alienware Sentia",
 164                 .matches = {
 165                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 166                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 167                 },
 168         },
 169         {
 170                 .ident = "Sharp Actius MM20",
 171                 .matches = {
 172                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 173                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 174                 },
 175         },
 176         {
 177                 .ident = "Sony Vaio FS-115b",
 178                 .matches = {
 179                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
 180                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 181                 },
 182         },
 183         {
 184                 .ident = "Amoi M636/A737",
 185                 .matches = {
 186                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
 187                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 188                 },
 189         },
 190         { }
 191 };
 192
 193
 194
 195 #endif
 196
 197
 198 #ifdef CONFIG_PNP
 199 #include <linux/pnp.h>
 200
 201 static int i8042_pnp_kbd_registered;
 202 static unsigned int i8042_pnp_kbd_devices;
 203 static int i8042_pnp_aux_registered;
 204 static unsigned int i8042_pnp_aux_devices;
 205
 206 static int i8042_pnp_command_reg;
 207 static int i8042_pnp_data_reg;
 208 static int i8042_pnp_kbd_irq;
 209 static int i8042_pnp_aux_irq;
 210
 211 static char i8042_pnp_kbd_name[32];
 212 static char i8042_pnp_aux_name[32];
 213
 214 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 215 {
 216         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 217                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 218
 219         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 220                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 221
 222         if (pnp_irq_valid(dev,0))
 223                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 224
 225         strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 226         if (strlen(pnp_dev_name(dev))) {
 227                 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 228                 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 229         }
 230
 231         i8042_pnp_kbd_devices++;
 232         return 0;
 233 }
 234
 235 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 236 {
 237         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 238                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 239
 240         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 241                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 242
 243         if (pnp_irq_valid(dev, 0))
 244                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 245
 246         strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 247         if (strlen(pnp_dev_name(dev))) {
 248                 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 249                 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 250         }
 251
 252         i8042_pnp_aux_devices++;
 253         return 0;
 254 }
 255
 256 static struct pnp_device_id pnp_kbd_devids[] = {
 257         { .id = "PNP0303", .driver_data = 0 },
 258         { .id = "PNP030b", .driver_data = 0 },
 259         { .id = "", },
 260 };
 261
 262 static struct pnp_driver i8042_pnp_kbd_driver = {
 263         .name           = "i8042 kbd",
 264         .id_table       = pnp_kbd_devids,
 265         .probe          = i8042_pnp_kbd_probe,
 266 };
 267
 268 static struct pnp_device_id pnp_aux_devids[] = {
 269         { .id = "PNP0f03", .driver_data = 0 },
 270         { .id = "PNP0f0b", .driver_data = 0 },
 271         { .id = "PNP0f0e", .driver_data = 0 },
 272         { .id = "PNP0f12", .driver_data = 0 },
 273         { .id = "PNP0f13", .driver_data = 0 },
 274         { .id = "PNP0f19", .driver_data = 0 },
 275         { .id = "PNP0f1c", .driver_data = 0 },
 276         { .id = "SYN0801", .driver_data = 0 },
 277         { .id = "", },
 278 };
 279
 280 static struct pnp_driver i8042_pnp_aux_driver = {
 281         .name           = "i8042 aux",
 282         .id_table       = pnp_aux_devids,
 283         .probe          = i8042_pnp_aux_probe,
 284 };
 285
 286 static void i8042_pnp_exit(void)
 287 {
 288         if (i8042_pnp_kbd_registered) {
 289                 i8042_pnp_kbd_registered = 0;
 290                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 291         }
 292
 293         if (i8042_pnp_aux_registered) {
 294                 i8042_pnp_aux_registered = 0;
 295                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 296         }
 297 }
 298
 299 static int __init i8042_pnp_init(void)
 300 {
 301         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 302         int err;
 303
 304         if (i8042_nopnp) {
 305                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 306                 return 0;
 307         }
 308
 309         err = pnp_register_driver(&i8042_pnp_kbd_driver);
 310         if (!err)
 311                 i8042_pnp_kbd_registered = 1;
 312
 313         err = pnp_register_driver(&i8042_pnp_aux_driver);
 314         if (!err)
 315                 i8042_pnp_aux_registered = 1;
 316
 317         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
 318                 i8042_pnp_exit();
 319 #if defined(__ia64__)
 320                 return -ENODEV;
 321 #else
 322                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 323                 return 0;
 324 #endif
 325         }
 326
 327         if (i8042_pnp_kbd_devices)
 328                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 329                         "%d", i8042_pnp_kbd_irq);
 330         if (i8042_pnp_aux_devices)
 331                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 332                         "%d", i8042_pnp_aux_irq);
 333
 334         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 335                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 336                 i8042_pnp_aux_name,
 337                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 338                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
 339                 aux_irq_str);
 340
 341 #if defined(__ia64__)
 342         if (!i8042_pnp_kbd_devices)
 343                 i8042_nokbd = 1;
 344         if (!i8042_pnp_aux_devices)
 345                 i8042_noaux = 1;
 346 #endif
 347
 348         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 349               i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
 350                 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
 351                         i8042_pnp_data_reg, i8042_data_reg);
 352                 i8042_pnp_data_reg = i8042_data_reg;
 353         }
 354
 355         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 356               i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
 357                 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
 358                         i8042_pnp_command_reg, i8042_command_reg);
 359                 i8042_pnp_command_reg = i8042_command_reg;
 360         }
 361
 362         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 363                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
 364                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 365         }
 366
 367         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 368                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
 369                 i8042_pnp_aux_irq = i8042_aux_irq;
 370         }
 371
 372         i8042_data_reg = i8042_pnp_data_reg;
 373         i8042_command_reg = i8042_pnp_command_reg;
 374         i8042_kbd_irq = i8042_pnp_kbd_irq;
 375         i8042_aux_irq = i8042_pnp_aux_irq;
 376
 377         return 0;
 378 }
 379
 380 #else
 381 static inline int i8042_pnp_init(void) { return 0; }
 382 static inline void i8042_pnp_exit(void) { }
 383 #endif
 384
 385 static int __init i8042_platform_init(void)
 386 {
 387         int retval;
 388
 389 /*
 390  * On ix86 platforms touching the i8042 data register region can do really
 391  * bad things. Because of this the region is always reserved on ix86 boxes.
 392  *
 393  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 394  *              return -EBUSY;
 395  */
 396
 397         i8042_kbd_irq = I8042_MAP_IRQ(1);
 398         i8042_aux_irq = I8042_MAP_IRQ(12);
 399
 400         retval = i8042_pnp_init();
 401         if (retval)
 402                 return retval;
 403
 404 #if defined(__ia64__)
 405         i8042_reset = 1;
 406 #endif
 407
 408 #if defined(__i386__)
 409         if (dmi_check_system(i8042_dmi_noloop_table))
 410                 i8042_noloop = 1;
 411
 412         if (dmi_check_system(i8042_dmi_nomux_table))
 413                 i8042_nomux = 1;
 414 #endif
 415
 416         return retval;
 417 }
 418
 419 static inline void i8042_platform_exit(void)
 420 {
 421         i8042_pnp_exit();
 422 }
 423
 424 #endif /* _I8042_X86IA64IO_H */