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