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                 .ident = "Sharp Actius MM20",
 163                 .matches = {
 164                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
 165                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 166                 },
 167         },
 168         { }
 169 };
 170
 171
 172
 173 #endif
 174
 175
 176 #ifdef CONFIG_PNP
 177 #include <linux/pnp.h>
 178
 179 static int i8042_pnp_kbd_registered;
 180 static int i8042_pnp_aux_registered;
 181
 182 static int i8042_pnp_command_reg;
 183 static int i8042_pnp_data_reg;
 184 static int i8042_pnp_kbd_irq;
 185 static int i8042_pnp_aux_irq;
 186
 187 static char i8042_pnp_kbd_name[32];
 188 static char i8042_pnp_aux_name[32];
 189
 190 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 191 {
 192         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 193                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 194
 195         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 196                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 197
 198         if (pnp_irq_valid(dev,0))
 199                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
 200
 201         strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
 202         if (strlen(pnp_dev_name(dev))) {
 203                 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 204                 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 205         }
 206
 207         return 0;
 208 }
 209
 210 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 211 {
 212         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
 213                 i8042_pnp_data_reg = pnp_port_start(dev,0);
 214
 215         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
 216                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
 217
 218         if (pnp_irq_valid(dev, 0))
 219                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
 220
 221         strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
 222         if (strlen(pnp_dev_name(dev))) {
 223                 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 224                 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 225         }
 226
 227         return 0;
 228 }
 229
 230 static struct pnp_device_id pnp_kbd_devids[] = {
 231         { .id = "PNP0303", .driver_data = 0 },
 232         { .id = "PNP030b", .driver_data = 0 },
 233         { .id = "", },
 234 };
 235
 236 static struct pnp_driver i8042_pnp_kbd_driver = {
 237         .name           = "i8042 kbd",
 238         .id_table       = pnp_kbd_devids,
 239         .probe          = i8042_pnp_kbd_probe,
 240 };
 241
 242 static struct pnp_device_id pnp_aux_devids[] = {
 243         { .id = "PNP0f03", .driver_data = 0 },
 244         { .id = "PNP0f0b", .driver_data = 0 },
 245         { .id = "PNP0f0e", .driver_data = 0 },
 246         { .id = "PNP0f12", .driver_data = 0 },
 247         { .id = "PNP0f13", .driver_data = 0 },
 248         { .id = "PNP0f19", .driver_data = 0 },
 249         { .id = "PNP0f1c", .driver_data = 0 },
 250         { .id = "SYN0801", .driver_data = 0 },
 251         { .id = "", },
 252 };
 253
 254 static struct pnp_driver i8042_pnp_aux_driver = {
 255         .name           = "i8042 aux",
 256         .id_table       = pnp_aux_devids,
 257         .probe          = i8042_pnp_aux_probe,
 258 };
 259
 260 static void i8042_pnp_exit(void)
 261 {
 262         if (i8042_pnp_kbd_registered) {
 263                 i8042_pnp_kbd_registered = 0;
 264                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
 265         }
 266
 267         if (i8042_pnp_aux_registered) {
 268                 i8042_pnp_aux_registered = 0;
 269                 pnp_unregister_driver(&i8042_pnp_aux_driver);
 270         }
 271 }
 272
 273 static int __init i8042_pnp_init(void)
 274 {
 275         int result_kbd = 0, result_aux = 0;
 276         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
 277
 278         if (i8042_nopnp) {
 279                 printk(KERN_INFO "i8042: PNP detection disabled\n");
 280                 return 0;
 281         }
 282
 283         if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
 284                 i8042_pnp_kbd_registered = 1;
 285
 286         if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
 287                 i8042_pnp_aux_registered = 1;
 288
 289         if (result_kbd <= 0 && result_aux <= 0) {
 290                 i8042_pnp_exit();
 291 #if defined(__ia64__)
 292                 return -ENODEV;
 293 #else
 294                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
 295                 return 0;
 296 #endif
 297         }
 298
 299         if (result_kbd > 0)
 300                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
 301                         "%d", i8042_pnp_kbd_irq);
 302         if (result_aux > 0)
 303                 snprintf(aux_irq_str, sizeof(aux_irq_str),
 304                         "%d", i8042_pnp_aux_irq);
 305
 306         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
 307                 i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "",
 308                 i8042_pnp_aux_name,
 309                 i8042_pnp_data_reg, i8042_pnp_command_reg,
 310                 kbd_irq_str, (result_kbd > 0 && result_aux > 0) ? "," : "",
 311                 aux_irq_str);
 312
 313 #if defined(__ia64__)
 314         if (result_kbd <= 0)
 315                 i8042_nokbd = 1;
 316         if (result_aux <= 0)
 317                 i8042_noaux = 1;
 318 #endif
 319
 320         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
 321               i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
 322                 printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
 323                         i8042_pnp_data_reg, i8042_data_reg);
 324                 i8042_pnp_data_reg = i8042_data_reg;
 325         }
 326
 327         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
 328               i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
 329                 printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
 330                         i8042_pnp_command_reg, i8042_command_reg);
 331                 i8042_pnp_command_reg = i8042_command_reg;
 332         }
 333
 334         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
 335                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
 336                 i8042_pnp_kbd_irq = i8042_kbd_irq;
 337         }
 338
 339         if (!i8042_noaux && !i8042_pnp_aux_irq) {
 340                 printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
 341                 i8042_pnp_aux_irq = i8042_aux_irq;
 342         }
 343
 344         i8042_data_reg = i8042_pnp_data_reg;
 345         i8042_command_reg = i8042_pnp_command_reg;
 346         i8042_kbd_irq = i8042_pnp_kbd_irq;
 347         i8042_aux_irq = i8042_pnp_aux_irq;
 348
 349         return 0;
 350 }
 351
 352 #else
 353 static inline int i8042_pnp_init(void) { return 0; }
 354 static inline void i8042_pnp_exit(void) { }
 355 #endif
 356
 357 static int __init i8042_platform_init(void)
 358 {
 359         int retval;
 360
 361 /*
 362  * On ix86 platforms touching the i8042 data register region can do really
 363  * bad things. Because of this the region is always reserved on ix86 boxes.
 364  *
 365  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
 366  *              return -EBUSY;
 367  */
 368
 369         i8042_kbd_irq = I8042_MAP_IRQ(1);
 370         i8042_aux_irq = I8042_MAP_IRQ(12);
 371
 372         retval = i8042_pnp_init();
 373         if (retval)
 374                 return retval;
 375
 376 #if defined(__ia64__)
 377         i8042_reset = 1;
 378 #endif
 379
 380 #if defined(__i386__)
 381         if (dmi_check_system(i8042_dmi_noloop_table))
 382                 i8042_noloop = 1;
 383
 384         if (dmi_check_system(i8042_dmi_nomux_table))
 385                 i8042_nomux = 1;
 386 #endif
 387
 388         return retval;
 389 }
 390
 391 static inline void i8042_platform_exit(void)
 392 {
 393         i8042_pnp_exit();
 394 }
 395
 396 #endif /* _I8042_X86IA64IO_H */