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 = "Toshiba P10",
 135                 .matches = {
 136                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
 137                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 138                 },
 139         },
 140         {
 141                 .ident = "Alienware Sentia",
 142                 .matches = {
 143                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 144                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 145                 },
 146         },
 147         { }
 148 };
 149
 150
 151
 152 #endif
 153
 154
 155 #ifdef CONFIG_PNP
 156 #include <linux/pnp.h>
 157
 158 static int i8042_pnp_kbd_registered;
 159 static int i8042_pnp_aux_registered;
 160
 161 static int i8042_pnp_command_reg;
 162 static int i8042_pnp_data_reg;
 163 static int i8042_pnp_kbd_irq;
 164 static int i8042_pnp_aux_irq;
 165
 166 static char i8042_pnp_kbd_name[32];
 167 static char i8042_pnp_aux_name[32];
 168
 169 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 170 {
 171         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 172                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 173
 174         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 175                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 176
 177         if (pnp_irq_valid(dev,0))
 178                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 179
 180         strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 181         if (strlen(pnp_dev_name(dev))) {
 182                 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 183                 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 184         }
 185
 186         return 0;
 187 }
 188
 189 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 190 {
 191         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 192                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 193
 194         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 195                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 196
 197         if (pnp_irq_valid(dev, 0))
 198                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 199
 200         strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 201         if (strlen(pnp_dev_name(dev))) {
 202                 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 203                 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 204         }
 205
 206         return 0;
 207 }
 208
 209 static struct pnp_device_id pnp_kbd_devids[] = {
 210         { .id = "PNP0303", .driver_data = 0 },
 211         { .id = "PNP030b", .driver_data = 0 },
 212         { .id = "", },
 213 };
 214
 215 static struct pnp_driver i8042_pnp_kbd_driver = {
 216         .name           = "i8042 kbd",
 217         .id_table       = pnp_kbd_devids,
 218         .probe          = i8042_pnp_kbd_probe,
 219 };
 220
 221 static struct pnp_device_id pnp_aux_devids[] = {
 222         { .id = "PNP0f03", .driver_data = 0 },
 223         { .id = "PNP0f0b", .driver_data = 0 },
 224         { .id = "PNP0f0e", .driver_data = 0 },
 225         { .id = "PNP0f12", .driver_data = 0 },
 226         { .id = "PNP0f13", .driver_data = 0 },
 227         { .id = "PNP0f19", .driver_data = 0 },
 228         { .id = "PNP0f1c", .driver_data = 0 },
 229         { .id = "SYN0801", .driver_data = 0 },
 230         { .id = "", },
 231 };
 232
 233 static struct pnp_driver i8042_pnp_aux_driver = {
 234         .name           = "i8042 aux",
 235         .id_table       = pnp_aux_devids,
 236         .probe          = i8042_pnp_aux_probe,
 237 };
 238
 239 static void i8042_pnp_exit(void)
 240 {
 241         if (i8042_pnp_kbd_registered) {
 242                 i8042_pnp_kbd_registered = 0;
 243                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 244         }
 245
 246         if (i8042_pnp_aux_registered) {
 247                 i8042_pnp_aux_registered = 0;
 248                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 249         }
 250 }
 251
 252 static int i8042_pnp_init(void)
 253 {
 254         int result_kbd, result_aux;
 255
 256         if (i8042_nopnp) {
 257                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 258                 return 0;
 259         }
 260
 261         if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
 262                 i8042_pnp_kbd_registered = 1;
 263         if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
 264                 i8042_pnp_aux_registered = 1;
 265
 266         if (result_kbd <= 0 && result_aux <= 0) {
 267                 i8042_pnp_exit();
 268 #if defined(__ia64__)
 269                 return -ENODEV;
 270 #else
 271                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 272                 return 0;
 273 #endif
 274         }
 275
 276         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 277               i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
 278                 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
 279                         i8042_pnp_data_reg, i8042_data_reg);
 280                 i8042_pnp_data_reg = i8042_data_reg;
 281         }
 282
 283         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 284               i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
 285                 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
 286                         i8042_pnp_command_reg, i8042_command_reg);
 287                 i8042_pnp_command_reg = i8042_command_reg;
 288         }
 289
 290         if (!i8042_pnp_kbd_irq) {
 291                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %#x\n", i8042_kbd_irq);
 292                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 293         }
 294
 295         if (!i8042_pnp_aux_irq) {
 296                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %#x\n", i8042_aux_irq);
 297                 i8042_pnp_aux_irq = i8042_aux_irq;
 298         }
 299
 300 #if defined(__ia64__)
 301         if (result_aux <= 0)
 302                 i8042_noaux = 1;
 303 #endif
 304
 305         i8042_data_reg = i8042_pnp_data_reg;
 306         i8042_command_reg = i8042_pnp_command_reg;
 307         i8042_kbd_irq = i8042_pnp_kbd_irq;
 308         i8042_aux_irq = i8042_pnp_aux_irq;
 309
 310         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d%s%d\n",
 311                 i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "", i8042_pnp_aux_name,
 312                 i8042_data_reg, i8042_command_reg, i8042_kbd_irq,
 313                 (result_aux > 0) ? "," : "", i8042_aux_irq);
 314
 315         return 0;
 316 }
 317
 318 #endif
 319
 320 static inline int i8042_platform_init(void)
 321 {
 322 /*
 323  * On ix86 platforms touching the i8042 data register region can do really
 324  * bad things. Because of this the region is always reserved on ix86 boxes.
 325  *
 326  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 327  *              return -1;
 328  */
 329
 330         i8042_kbd_irq = I8042_MAP_IRQ(1);
 331         i8042_aux_irq = I8042_MAP_IRQ(12);
 332
 333 #ifdef CONFIG_PNP
 334         if (i8042_pnp_init())
 335                 return -1;
 336 #endif
 337
 338 #if defined(__ia64__)
 339         i8042_reset = 1;
 340 #endif
 341
 342 #if defined(__i386__)
 343         if (dmi_check_system(i8042_dmi_noloop_table))
 344                 i8042_noloop = 1;
 345
 346         if (dmi_check_system(i8042_dmi_nomux_table))
 347                 i8042_nomux = 1;
 348 #endif
 349
 350         return 0;
 351 }
 352
 353 static inline void i8042_platform_exit(void)
 354 {
 355 #ifdef CONFIG_PNP
 356         i8042_pnp_exit();
 357 #endif
 358 }
 359
 360 #endif /* _I8042_X86IA64IO_H */