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