i8042-x86ia64io.h 14.2 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
#ifndef _I8042_X86IA64IO_H
#define _I8042_X86IA64IO_H

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 */

/*
 * Names.
 */

#define I8042_KBD_PHYS_DESC "isa0060/serio0"
#define I8042_AUX_PHYS_DESC "isa0060/serio1"
#define I8042_MUX_PHYS_DESC "isa0060/serio%d"

/*
 * IRQs.
 */

#if defined(__ia64__)
# define I8042_MAP_IRQ(x)	isa_irq_to_vector((x))
#else
# define I8042_MAP_IRQ(x)	(x)
#endif

#define I8042_KBD_IRQ	i8042_kbd_irq
#define I8042_AUX_IRQ	i8042_aux_irq

static int i8042_kbd_irq;
static int i8042_aux_irq;

/*
 * Register numbers.
 */

#define I8042_COMMAND_REG	i8042_command_reg
#define I8042_STATUS_REG	i8042_command_reg
#define I8042_DATA_REG		i8042_data_reg

static int i8042_command_reg = 0x64;
static int i8042_data_reg = 0x60;


static inline int i8042_read_data(void)
{
	return inb(I8042_DATA_REG);
}

static inline int i8042_read_status(void)
{
	return inb(I8042_STATUS_REG);
}

static inline void i8042_write_data(int val)
{
	outb(val, I8042_DATA_REG);
}

static inline void i8042_write_command(int val)
{
	outb(val, I8042_COMMAND_REG);
}

66
#if defined(__i386__) || defined(__x86_64__)
L
Linus Torvalds 已提交
67 68 69 70

#include <linux/dmi.h>

static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
71 72 73 74 75 76 77 78 79
	{
		/* AUX LOOP command does not raise AUX IRQ */
		.ident = "ASUS P65UP5",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
			DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
			DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
		},
	},
L
Linus Torvalds 已提交
80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
	{
		.ident = "Compaq Proliant 8500",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
			DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
		},
	},
	{
		.ident = "Compaq Proliant DL760",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
			DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
		},
	},
96 97 98 99 100 101 102 103
	{
		.ident = "OQO Model 01",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
		},
	},
104 105 106 107 108 109 110 111 112
	{
		/* AUX LOOP does not work properly */
		.ident = "ULI EV4873",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
			DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
		},
	},
113 114 115 116 117 118 119 120
	{
		.ident = "Microsoft Virtual Machine",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
		},
	},
L
Linus Torvalds 已提交
121 122 123 124
	{ }
};

/*
125
 * Some Fujitsu notebooks are having trouble with touchpads if
L
Linus Torvalds 已提交
126 127
 * active multiplexing mode is activated. Luckily they don't have
 * external PS/2 ports so we can safely disable it.
128 129
 * ... apparently some Toshibas don't like MUX mode either and
 * die horrible death on reboot.
L
Linus Torvalds 已提交
130 131 132 133 134 135 136 137 138
 */
static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
	{
		.ident = "Fujitsu Lifebook P7010/P7010D",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
			DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
		},
	},
139 140 141 142 143 144 145
	{
		.ident = "Fujitsu Lifebook P7010",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
			DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
		},
	},
L
Linus Torvalds 已提交
146 147 148 149 150 151 152 153 154 155 156 157 158 159
	{
		.ident = "Fujitsu Lifebook P5020D",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
		},
	},
	{
		.ident = "Fujitsu Lifebook S2000",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
		},
	},
160 161 162 163 164 165 166
	{
		.ident = "Fujitsu Lifebook S6230",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
		},
	},
L
Linus Torvalds 已提交
167 168 169 170 171 172 173
	{
		.ident = "Fujitsu T70H",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
			DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
		},
	},
174 175 176 177 178 179 180
	{
		.ident = "Fujitsu-Siemens Lifebook T3010",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
		},
	},
181 182 183 184 185 186 187
	{
		.ident = "Fujitsu-Siemens Lifebook E4010",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
		},
	},
188 189 190 191 192 193 194
	{
		.ident = "Fujitsu-Siemens Amilo Pro 2010",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
		},
	},
195 196 197 198 199 200 201 202 203 204 205
	{
		/*
		 * No data is coming from the touchscreen unless KBC
		 * is in legacy mode.
		 */
		.ident = "Panasonic CF-29",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
			DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
		},
	},
206 207 208 209 210 211 212 213 214 215 216
	{
		/*
		 * Errors on MUX ports are reported without raising AUXDATA
		 * causing "spurious NAK" messages.
		 */
		.ident = "HP Pavilion DV4017EA",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
		},
	},
217 218 219 220 221 222 223 224 225 226 227
	{
		/*
		 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
		 */
		.ident = "HP Pavilion ZT1000",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
		},
	},
228 229 230 231 232 233 234 235 236 237
	{
		/*
		 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
		 */
		.ident = "HP Pavilion DV4270ca",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
		},
	},
238 239 240 241 242 243 244
	{
		.ident = "Toshiba P10",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
		},
	},
245 246 247 248 249 250 251
	{
		.ident = "Toshiba Equium A110",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
			DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
		},
	},
252 253 254 255 256 257 258
	{
		.ident = "Alienware Sentia",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
		},
	},
259 260 261 262 263 264 265
	{
		.ident = "Sharp Actius MM20",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
			DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
		},
	},
266 267 268 269 270 271 272
	{
		.ident = "Sony Vaio FS-115b",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
		},
	},
273 274 275 276 277 278 279
	{
		.ident = "Amoi M636/A737",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
			DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
		},
	},
280 281 282 283 284 285 286
	{
		.ident = "Lenovo 3000 n100",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
		},
	},
L
Linus Torvalds 已提交
287 288 289 290 291 292 293
	{ }
};



#endif

294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325
#ifdef CONFIG_X86

#include <linux/dmi.h>

/*
 * Some Wistron based laptops need us to explicitly enable the 'Dritek
 * keyboard extension' to make their extra keys start generating scancodes.
 * Originally, this was just confined to older laptops, but a few Acer laptops
 * have turned up in 2007 that also need this again.
 */
static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
	{
		.ident = "Acer Aspire 5630",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
		},
	},
	{
		.ident = "Acer Aspire 5650",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
		},
	},
	{
		.ident = "Acer Aspire 5680",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
		},
	},
326 327 328 329 330 331 332
	{
		.ident = "Acer Aspire 9110",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
		},
	},
333 334 335 336 337 338 339
	{
		.ident = "Acer TravelMate 660",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
		},
	},
340 341 342 343 344 345 346 347 348 349 350 351
	{
		.ident = "Acer TravelMate 2490",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
		},
	},
	{ }
};

#endif /* CONFIG_X86 */

L
Linus Torvalds 已提交
352 353 354 355 356

#ifdef CONFIG_PNP
#include <linux/pnp.h>

static int i8042_pnp_kbd_registered;
357
static unsigned int i8042_pnp_kbd_devices;
L
Linus Torvalds 已提交
358
static int i8042_pnp_aux_registered;
359
static unsigned int i8042_pnp_aux_devices;
L
Linus Torvalds 已提交
360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379

static int i8042_pnp_command_reg;
static int i8042_pnp_data_reg;
static int i8042_pnp_kbd_irq;
static int i8042_pnp_aux_irq;

static char i8042_pnp_kbd_name[32];
static char i8042_pnp_aux_name[32];

static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
{
	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
		i8042_pnp_data_reg = pnp_port_start(dev,0);

	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
		i8042_pnp_command_reg = pnp_port_start(dev, 1);

	if (pnp_irq_valid(dev,0))
		i8042_pnp_kbd_irq = pnp_irq(dev, 0);

380
	strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
L
Linus Torvalds 已提交
381
	if (strlen(pnp_dev_name(dev))) {
382 383
		strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
		strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
L
Linus Torvalds 已提交
384 385
	}

386
	i8042_pnp_kbd_devices++;
L
Linus Torvalds 已提交
387 388 389 390 391 392 393 394 395 396 397 398 399 400
	return 0;
}

static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
{
	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
		i8042_pnp_data_reg = pnp_port_start(dev,0);

	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
		i8042_pnp_command_reg = pnp_port_start(dev, 1);

	if (pnp_irq_valid(dev, 0))
		i8042_pnp_aux_irq = pnp_irq(dev, 0);

401
	strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
L
Linus Torvalds 已提交
402
	if (strlen(pnp_dev_name(dev))) {
403 404
		strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
		strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
L
Linus Torvalds 已提交
405 406
	}

407
	i8042_pnp_aux_devices++;
L
Linus Torvalds 已提交
408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423
	return 0;
}

static struct pnp_device_id pnp_kbd_devids[] = {
	{ .id = "PNP0303", .driver_data = 0 },
	{ .id = "PNP030b", .driver_data = 0 },
	{ .id = "", },
};

static struct pnp_driver i8042_pnp_kbd_driver = {
	.name           = "i8042 kbd",
	.id_table       = pnp_kbd_devids,
	.probe          = i8042_pnp_kbd_probe,
};

static struct pnp_device_id pnp_aux_devids[] = {
424 425
	{ .id = "FJC6000", .driver_data = 0 },
	{ .id = "FJC6001", .driver_data = 0 },
L
Linus Torvalds 已提交
426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444
	{ .id = "PNP0f03", .driver_data = 0 },
	{ .id = "PNP0f0b", .driver_data = 0 },
	{ .id = "PNP0f0e", .driver_data = 0 },
	{ .id = "PNP0f12", .driver_data = 0 },
	{ .id = "PNP0f13", .driver_data = 0 },
	{ .id = "PNP0f19", .driver_data = 0 },
	{ .id = "PNP0f1c", .driver_data = 0 },
	{ .id = "SYN0801", .driver_data = 0 },
	{ .id = "", },
};

static struct pnp_driver i8042_pnp_aux_driver = {
	.name           = "i8042 aux",
	.id_table       = pnp_aux_devids,
	.probe          = i8042_pnp_aux_probe,
};

static void i8042_pnp_exit(void)
{
445 446
	if (i8042_pnp_kbd_registered) {
		i8042_pnp_kbd_registered = 0;
L
Linus Torvalds 已提交
447
		pnp_unregister_driver(&i8042_pnp_kbd_driver);
448
	}
L
Linus Torvalds 已提交
449

450 451
	if (i8042_pnp_aux_registered) {
		i8042_pnp_aux_registered = 0;
L
Linus Torvalds 已提交
452
		pnp_unregister_driver(&i8042_pnp_aux_driver);
453
	}
L
Linus Torvalds 已提交
454 455
}

456
static int __init i8042_pnp_init(void)
L
Linus Torvalds 已提交
457
{
458
	char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
459
	int pnp_data_busted = 0;
460
	int err;
L
Linus Torvalds 已提交
461 462

	if (i8042_nopnp) {
463
		printk(KERN_INFO "i8042: PNP detection disabled\n");
L
Linus Torvalds 已提交
464 465 466
		return 0;
	}

467 468
	err = pnp_register_driver(&i8042_pnp_kbd_driver);
	if (!err)
L
Linus Torvalds 已提交
469
		i8042_pnp_kbd_registered = 1;
470

471 472
	err = pnp_register_driver(&i8042_pnp_aux_driver);
	if (!err)
L
Linus Torvalds 已提交
473 474
		i8042_pnp_aux_registered = 1;

475
	if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
L
Linus Torvalds 已提交
476 477 478 479
		i8042_pnp_exit();
#if defined(__ia64__)
		return -ENODEV;
#else
480
		printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
L
Linus Torvalds 已提交
481 482 483 484
		return 0;
#endif
	}

485
	if (i8042_pnp_kbd_devices)
486 487
		snprintf(kbd_irq_str, sizeof(kbd_irq_str),
			"%d", i8042_pnp_kbd_irq);
488
	if (i8042_pnp_aux_devices)
489 490 491 492
		snprintf(aux_irq_str, sizeof(aux_irq_str),
			"%d", i8042_pnp_aux_irq);

	printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
493
		i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
494 495
		i8042_pnp_aux_name,
		i8042_pnp_data_reg, i8042_pnp_command_reg,
496
		kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
497 498 499
		aux_irq_str);

#if defined(__ia64__)
500
	if (!i8042_pnp_kbd_devices)
501
		i8042_nokbd = 1;
502
	if (!i8042_pnp_aux_devices)
503 504 505
		i8042_noaux = 1;
#endif

L
Linus Torvalds 已提交
506
	if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
507 508 509 510 511
	      i8042_pnp_data_reg != i8042_data_reg) ||
	    !i8042_pnp_data_reg) {
		printk(KERN_WARNING
			"PNP: PS/2 controller has invalid data port %#x; "
			"using default %#x\n",
L
Linus Torvalds 已提交
512 513
			i8042_pnp_data_reg, i8042_data_reg);
		i8042_pnp_data_reg = i8042_data_reg;
514
		pnp_data_busted = 1;
L
Linus Torvalds 已提交
515 516 517
	}

	if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
518 519 520 521 522
	      i8042_pnp_command_reg != i8042_command_reg) ||
	    !i8042_pnp_command_reg) {
		printk(KERN_WARNING
			"PNP: PS/2 controller has invalid command port %#x; "
			"using default %#x\n",
L
Linus Torvalds 已提交
523 524
			i8042_pnp_command_reg, i8042_command_reg);
		i8042_pnp_command_reg = i8042_command_reg;
525
		pnp_data_busted = 1;
L
Linus Torvalds 已提交
526 527
	}

528
	if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
529 530 531
		printk(KERN_WARNING
			"PNP: PS/2 controller doesn't have KBD irq; "
			"using default %d\n", i8042_kbd_irq);
L
Linus Torvalds 已提交
532
		i8042_pnp_kbd_irq = i8042_kbd_irq;
533
		pnp_data_busted = 1;
L
Linus Torvalds 已提交
534 535
	}

536
	if (!i8042_noaux && !i8042_pnp_aux_irq) {
537 538 539 540 541 542 543 544 545 546 547 548
		if (!pnp_data_busted && i8042_pnp_kbd_irq) {
			printk(KERN_WARNING
				"PNP: PS/2 appears to have AUX port disabled, "
				"if this is incorrect please boot with "
				"i8042.nopnp\n");
			i8042_noaux = 1;
		} else {
			printk(KERN_WARNING
				"PNP: PS/2 controller doesn't have AUX irq; "
				"using default %d\n", i8042_aux_irq);
			i8042_pnp_aux_irq = i8042_aux_irq;
		}
L
Linus Torvalds 已提交
549 550 551 552 553 554 555 556 557 558
	}

	i8042_data_reg = i8042_pnp_data_reg;
	i8042_command_reg = i8042_pnp_command_reg;
	i8042_kbd_irq = i8042_pnp_kbd_irq;
	i8042_aux_irq = i8042_pnp_aux_irq;

	return 0;
}

559 560 561
#else
static inline int i8042_pnp_init(void) { return 0; }
static inline void i8042_pnp_exit(void) { }
L
Linus Torvalds 已提交
562 563
#endif

564
static int __init i8042_platform_init(void)
L
Linus Torvalds 已提交
565
{
566 567
	int retval;

L
Linus Torvalds 已提交
568 569 570 571 572
/*
 * On ix86 platforms touching the i8042 data register region can do really
 * bad things. Because of this the region is always reserved on ix86 boxes.
 *
 *	if (!request_region(I8042_DATA_REG, 16, "i8042"))
573
 *		return -EBUSY;
L
Linus Torvalds 已提交
574 575 576 577 578
 */

	i8042_kbd_irq = I8042_MAP_IRQ(1);
	i8042_aux_irq = I8042_MAP_IRQ(12);

579 580 581
	retval = i8042_pnp_init();
	if (retval)
		return retval;
L
Linus Torvalds 已提交
582 583 584 585 586

#if defined(__ia64__)
        i8042_reset = 1;
#endif

587
#if defined(__i386__) || defined(__x86_64__)
L
Linus Torvalds 已提交
588 589 590 591 592 593 594
	if (dmi_check_system(i8042_dmi_noloop_table))
		i8042_noloop = 1;

	if (dmi_check_system(i8042_dmi_nomux_table))
		i8042_nomux = 1;
#endif

595 596 597 598 599
#ifdef CONFIG_X86
	if (dmi_check_system(i8042_dmi_dritek_table))
		i8042_dritek = 1;
#endif /* CONFIG_X86 */

600
	return retval;
L
Linus Torvalds 已提交
601 602 603 604 605 606 607 608
}

static inline void i8042_platform_exit(void)
{
	i8042_pnp_exit();
}

#endif /* _I8042_X86IA64IO_H */