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