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