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 T70H",
 121                 .matches = {
 122                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 123                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 124                 },
 125         },
 126         {
 127                 .ident = "Toshiba P10",
 128                 .matches = {
 129                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 130                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 131                 },
 132         },
 133         { }
 134 };
 135
 136
 137
 138 #endif
 139
 140
 141 #ifdef CONFIG_PNP
 142 #include <linux/pnp.h>
 143
 144 static int i8042_pnp_kbd_registered;
 145 static int i8042_pnp_aux_registered;
 146
 147 static int i8042_pnp_command_reg;
 148 static int i8042_pnp_data_reg;
 149 static int i8042_pnp_kbd_irq;
 150 static int i8042_pnp_aux_irq;
 151
 152 static char i8042_pnp_kbd_name[32];
 153 static char i8042_pnp_aux_name[32];
 154
 155 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 156 {
 157         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 158                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 159
 160         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 161                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 162
 163         if (pnp_irq_valid(dev,0))
 164                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 165
 166         strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 167         if (strlen(pnp_dev_name(dev))) {
 168                 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 169                 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 170         }
 171
 172         return 0;
 173 }
 174
 175 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 176 {
 177         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 178                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 179
 180         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 181                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 182
 183         if (pnp_irq_valid(dev, 0))
 184                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 185
 186         strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 187         if (strlen(pnp_dev_name(dev))) {
 188                 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 189                 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 190         }
 191
 192         return 0;
 193 }
 194
 195 static struct pnp_device_id pnp_kbd_devids[] = {
 196         { .id = "PNP0303", .driver_data = 0 },
 197         { .id = "PNP030b", .driver_data = 0 },
 198         { .id = "", },
 199 };
 200
 201 static struct pnp_driver i8042_pnp_kbd_driver = {
 202         .name           = "i8042 kbd",
 203         .id_table       = pnp_kbd_devids,
 204         .probe          = i8042_pnp_kbd_probe,
 205 };
 206
 207 static struct pnp_device_id pnp_aux_devids[] = {
 208         { .id = "PNP0f03", .driver_data = 0 },
 209         { .id = "PNP0f0b", .driver_data = 0 },
 210         { .id = "PNP0f0e", .driver_data = 0 },
 211         { .id = "PNP0f12", .driver_data = 0 },
 212         { .id = "PNP0f13", .driver_data = 0 },
 213         { .id = "PNP0f19", .driver_data = 0 },
 214         { .id = "PNP0f1c", .driver_data = 0 },
 215         { .id = "SYN0801", .driver_data = 0 },
 216         { .id = "", },
 217 };
 218
 219 static struct pnp_driver i8042_pnp_aux_driver = {
 220         .name           = "i8042 aux",
 221         .id_table       = pnp_aux_devids,
 222         .probe          = i8042_pnp_aux_probe,
 223 };
 224
 225 static void i8042_pnp_exit(void)
 226 {
 227         if (i8042_pnp_kbd_registered) {
 228                 i8042_pnp_kbd_registered = 0;
 229                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 230         }
 231
 232         if (i8042_pnp_aux_registered) {
 233                 i8042_pnp_aux_registered = 0;
 234                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 235         }
 236 }
 237
 238 static int i8042_pnp_init(void)
 239 {
 240         int result_kbd, result_aux;
 241
 242         if (i8042_nopnp) {
 243                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 244                 return 0;
 245         }
 246
 247         if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
 248                 i8042_pnp_kbd_registered = 1;
 249         if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
 250                 i8042_pnp_aux_registered = 1;
 251
 252         if (result_kbd <= 0 && result_aux <= 0) {
 253                 i8042_pnp_exit();
 254 #if defined(__ia64__)
 255                 return -ENODEV;
 256 #else
 257                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 258                 return 0;
 259 #endif
 260         }
 261
 262         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 263               i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
 264                 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
 265                         i8042_pnp_data_reg, i8042_data_reg);
 266                 i8042_pnp_data_reg = i8042_data_reg;
 267         }
 268
 269         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 270               i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
 271                 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
 272                         i8042_pnp_command_reg, i8042_command_reg);
 273                 i8042_pnp_command_reg = i8042_command_reg;
 274         }
 275
 276         if (!i8042_pnp_kbd_irq) {
 277                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %#x\n", i8042_kbd_irq);
 278                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 279         }
 280
 281         if (!i8042_pnp_aux_irq) {
 282                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %#x\n", i8042_aux_irq);
 283                 i8042_pnp_aux_irq = i8042_aux_irq;
 284         }
 285
 286 #if defined(__ia64__)
 287         if (result_aux <= 0)
 288                 i8042_noaux = 1;
 289 #endif
 290
 291         i8042_data_reg = i8042_pnp_data_reg;
 292         i8042_command_reg = i8042_pnp_command_reg;
 293         i8042_kbd_irq = i8042_pnp_kbd_irq;
 294         i8042_aux_irq = i8042_pnp_aux_irq;
 295
 296         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d%s%d\n",
 297                 i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "", i8042_pnp_aux_name,
 298                 i8042_data_reg, i8042_command_reg, i8042_kbd_irq,
 299                 (result_aux > 0) ? "," : "", i8042_aux_irq);
 300
 301         return 0;
 302 }
 303
 304 #endif
 305
 306 static inline int i8042_platform_init(void)
 307 {
 308 /*
 309  * On ix86 platforms touching the i8042 data register region can do really
 310  * bad things. Because of this the region is always reserved on ix86 boxes.
 311  *
 312  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 313  *              return -1;
 314  */
 315
 316         i8042_kbd_irq = I8042_MAP_IRQ(1);
 317         i8042_aux_irq = I8042_MAP_IRQ(12);
 318
 319 #ifdef CONFIG_PNP
 320         if (i8042_pnp_init())
 321                 return -1;
 322 #endif
 323
 324 #if defined(__ia64__)
 325         i8042_reset = 1;
 326 #endif
 327
 328 #if defined(__i386__)
 329         if (dmi_check_system(i8042_dmi_noloop_table))
 330                 i8042_noloop = 1;
 331
 332         if (dmi_check_system(i8042_dmi_nomux_table))
 333                 i8042_nomux = 1;
 334 #endif
 335
 336         return 0;
 337 }
 338
 339 static inline void i8042_platform_exit(void)
 340 {
 341 #ifdef CONFIG_PNP
 342         i8042_pnp_exit();
 343 #endif
 344 }
 345
 346 #endif /* _I8042_X86IA64IO_H */