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 };
  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 = "Toshiba P10",
 142                 .matches = {
 143                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 144                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 145                 },
 146         },
 147         {
 148                 .ident = "Alienware Sentia",
 149                 .matches = {
 150                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 151                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 152                 },
 153         },
 154         { }
 155 };
 156
 157
 158
 159 #endif
 160
 161
 162 #ifdef CONFIG_PNP
 163 #include <linux/pnp.h>
 164
 165 static int i8042_pnp_kbd_registered;
 166 static int i8042_pnp_aux_registered;
 167
 168 static int i8042_pnp_command_reg;
 169 static int i8042_pnp_data_reg;
 170 static int i8042_pnp_kbd_irq;
 171 static int i8042_pnp_aux_irq;
 172
 173 static char i8042_pnp_kbd_name[32];
 174 static char i8042_pnp_aux_name[32];
 175
 176 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 177 {
 178         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 179                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 180
 181         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 182                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 183
 184         if (pnp_irq_valid(dev,0))
 185                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 186
 187         strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 188         if (strlen(pnp_dev_name(dev))) {
 189                 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 190                 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 191         }
 192
 193         return 0;
 194 }
 195
 196 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 197 {
 198         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 199                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 200
 201         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 202                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 203
 204         if (pnp_irq_valid(dev, 0))
 205                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 206
 207         strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 208         if (strlen(pnp_dev_name(dev))) {
 209                 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 210                 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 211         }
 212
 213         return 0;
 214 }
 215
 216 static struct pnp_device_id pnp_kbd_devids[] = {
 217         { .id = "PNP0303", .driver_data = 0 },
 218         { .id = "PNP030b", .driver_data = 0 },
 219         { .id = "", },
 220 };
 221
 222 static struct pnp_driver i8042_pnp_kbd_driver = {
 223         .name           = "i8042 kbd",
 224         .id_table       = pnp_kbd_devids,
 225         .probe          = i8042_pnp_kbd_probe,
 226 };
 227
 228 static struct pnp_device_id pnp_aux_devids[] = {
 229         { .id = "PNP0f03", .driver_data = 0 },
 230         { .id = "PNP0f0b", .driver_data = 0 },
 231         { .id = "PNP0f0e", .driver_data = 0 },
 232         { .id = "PNP0f12", .driver_data = 0 },
 233         { .id = "PNP0f13", .driver_data = 0 },
 234         { .id = "PNP0f19", .driver_data = 0 },
 235         { .id = "PNP0f1c", .driver_data = 0 },
 236         { .id = "SYN0801", .driver_data = 0 },
 237         { .id = "", },
 238 };
 239
 240 static struct pnp_driver i8042_pnp_aux_driver = {
 241         .name           = "i8042 aux",
 242         .id_table       = pnp_aux_devids,
 243         .probe          = i8042_pnp_aux_probe,
 244 };
 245
 246 static void i8042_pnp_exit(void)
 247 {
 248         if (i8042_pnp_kbd_registered) {
 249                 i8042_pnp_kbd_registered = 0;
 250                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 251         }
 252
 253         if (i8042_pnp_aux_registered) {
 254                 i8042_pnp_aux_registered = 0;
 255                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 256         }
 257 }
 258
 259 static int __init i8042_pnp_init(void)
 260 {
 261         int result_kbd = 0, result_aux = 0;
 262         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 263
 264         if (i8042_nopnp) {
 265                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 266                 return 0;
 267         }
 268
 269         if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
 270                 i8042_pnp_kbd_registered = 1;
 271
 272         if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
 273                 i8042_pnp_aux_registered = 1;
 274
 275         if (result_kbd <= 0 && result_aux <= 0) {
 276                 i8042_pnp_exit();
 277 #if defined(__ia64__)
 278                 return -ENODEV;
 279 #else
 280                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 281                 return 0;
 282 #endif
 283         }
 284
 285         if (result_kbd > 0)
 286                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 287                         "%d", i8042_pnp_kbd_irq);
 288         if (result_aux > 0)
 289                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 290                         "%d", i8042_pnp_aux_irq);
 291
 292         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 293                 i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "",
 294                 i8042_pnp_aux_name,
 295                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 296                 kbd_irq_str, (result_kbd > 0 && result_aux > 0) ? "," : "",
 297                 aux_irq_str);
 298
 299 #if defined(__ia64__)
 300         if (result_kbd <= 0)
 301                 i8042_nokbd = 1;
 302         if (result_aux <= 0)
 303                 i8042_noaux = 1;
 304 #endif
 305
 306         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 307               i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
 308                 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
 309                         i8042_pnp_data_reg, i8042_data_reg);
 310                 i8042_pnp_data_reg = i8042_data_reg;
 311         }
 312
 313         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 314               i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
 315                 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
 316                         i8042_pnp_command_reg, i8042_command_reg);
 317                 i8042_pnp_command_reg = i8042_command_reg;
 318         }
 319
 320         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 321                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
 322                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 323         }
 324
 325         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 326                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
 327                 i8042_pnp_aux_irq = i8042_aux_irq;
 328         }
 329
 330         i8042_data_reg = i8042_pnp_data_reg;
 331         i8042_command_reg = i8042_pnp_command_reg;
 332         i8042_kbd_irq = i8042_pnp_kbd_irq;
 333         i8042_aux_irq = i8042_pnp_aux_irq;
 334
 335         return 0;
 336 }
 337
 338 #else
 339 static inline int i8042_pnp_init(void) { return 0; }
 340 static inline void i8042_pnp_exit(void) { }
 341 #endif
 342
 343 static int __init i8042_platform_init(void)
 344 {
 345         int retval;
 346
 347 /*
 348  * On ix86 platforms touching the i8042 data register region can do really
 349  * bad things. Because of this the region is always reserved on ix86 boxes.
 350  *
 351  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 352  *              return -EBUSY;
 353  */
 354
 355         i8042_kbd_irq = I8042_MAP_IRQ(1);
 356         i8042_aux_irq = I8042_MAP_IRQ(12);
 357
 358         retval = i8042_pnp_init();
 359         if (retval)
 360                 return retval;
 361
 362 #if defined(__ia64__)
 363         i8042_reset = 1;
 364 #endif
 365
 366 #if defined(__i386__)
 367         if (dmi_check_system(i8042_dmi_noloop_table))
 368                 i8042_noloop = 1;
 369
 370         if (dmi_check_system(i8042_dmi_nomux_table))
 371                 i8042_nomux = 1;
 372 #endif
 373
 374         return retval;
 375 }
 376
 377 static inline void i8042_platform_exit(void)
 378 {
 379         i8042_pnp_exit();
 380 }
 381
 382 #endif /* _I8042_X86IA64IO_H */