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Merge branch 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
[mirror_ubuntu-artful-kernel.git] / drivers / input / serio / i8042-x86ia64io.h
CommitLineData
1da177e4
LT		 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
31static int i8042_kbd_irq;
32static 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
42static int i8042_command_reg = 0x64;
43static int i8042_data_reg = 0x60;
44
45
46static inline int i8042_read_data(void)
47{
48 return inb(I8042_DATA_REG);
49}
50
51static inline int i8042_read_status(void)
52{
53 return inb(I8042_STATUS_REG);
54}
55
56static inline void i8042_write_data(int val)
57{
58 outb(val, I8042_DATA_REG);
59}
60
61static inline void i8042_write_command(int val)
62{
63 outb(val, I8042_COMMAND_REG);
64}
65
b4d62de1 66#if defined(__i386__) || defined(__x86_64__)
1da177e4
LT		 67
68#include <linux/dmi.h>
69
70static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
90245c17
DT		 71 {
72 /* AUX LOOP command does not raise AUX IRQ */
73 .ident = "ASUS P65UP5",
74 .matches = {
75 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
76 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
77 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
78 },
79 },
1da177e4
LT		 80 {
81 .ident = "Compaq Proliant 8500",
82 .matches = {
83 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
84 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
85 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
86 },
87 },
88 {
89 .ident = "Compaq Proliant DL760",
90 .matches = {
91 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
92 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
93 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
94 },
95 },
6020bafc
BC		 96 {
97 .ident = "OQO Model 01",
98 .matches = {
99 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
100 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
101 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
102 },
103 },
8c4df74e
DT		 104 {
105 /* AUX LOOP does not work properly */
106 .ident = "ULI EV4873",
107 .matches = {
108 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
109 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
110 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
111 },
112 },
8bf4215e
JK		 113 {
114 .ident = "Microsoft Virtual Machine",
115 .matches = {
116 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
117 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
118 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
119 },
120 },
1da177e4
LT		 121 { }
122};
123
124/*
59311de3 125 * Some Fujitsu notebooks are having trouble with touchpads if
1da177e4
LT		 126 * active multiplexing mode is activated. Luckily they don't have
127 * external PS/2 ports so we can safely disable it.
59311de3
DT		 128 * ... apparently some Toshibas don't like MUX mode either and
129 * die horrible death on reboot.
1da177e4
LT		 130 */
131static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
132 {
133 .ident = "Fujitsu Lifebook P7010/P7010D",
134 .matches = {
135 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
136 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
137 },
138 },
bb06ec3c
DT		 139 {
140 .ident = "Fujitsu Lifebook P7010",
141 .matches = {
142 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
143 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
144 },
145 },
1da177e4
LT		 146 {
147 .ident = "Fujitsu Lifebook P5020D",
148 .matches = {
149 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
150 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
151 },
152 },
153 {
154 .ident = "Fujitsu Lifebook S2000",
155 .matches = {
156 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
157 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
158 },
159 },
b4ff99b6
DT		 160 {
161 .ident = "Fujitsu Lifebook S6230",
162 .matches = {
163 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
164 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
165 },
166 },
1da177e4
LT		 167 {
168 .ident = "Fujitsu T70H",
169 .matches = {
170 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
171 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
172 },
173 },
20f07944
VP		 174 {
175 .ident = "Fujitsu-Siemens Lifebook T3010",
176 .matches = {
177 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
178 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
179 },
180 },
7545c24c
DT		 181 {
182 .ident = "Fujitsu-Siemens Lifebook E4010",
183 .matches = {
184 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
185 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
186 },
187 },
3f79b1e9
JK		 188 {
189 .ident = "Fujitsu-Siemens Amilo Pro 2010",
190 .matches = {
191 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
192 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
193 },
194 },
efd51846
JK		 195 {
196 .ident = "Fujitsu-Siemens Amilo Pro 2030",
197 .matches = {
198 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
199 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
200 },
201 },
cc8310e3
DT		 202 {
203 /*
204 * No data is coming from the touchscreen unless KBC
205 * is in legacy mode.
206 */
207 .ident = "Panasonic CF-29",
208 .matches = {
209 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
210 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
211 },
212 },
6e782584
DT		 213 {
214 /*
215 * Errors on MUX ports are reported without raising AUXDATA
216 * causing "spurious NAK" messages.
217 */
218 .ident = "HP Pavilion DV4017EA",
219 .matches = {
220 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
221 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
222 },
223 },
9d9d50bb
DT		 224 {
225 /*
226 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
227 */
228 .ident = "HP Pavilion ZT1000",
229 .matches = {
230 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
231 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
232 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
233 },
234 },
749aea73
EP		 235 {
236 /*
237 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
238 */
239 .ident = "HP Pavilion DV4270ca",
240 .matches = {
241 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
243 },
244 },
59311de3
DT		 245 {
246 .ident = "Toshiba P10",
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
250 },
251 },
a91eaa16
DT		 252 {
253 .ident = "Toshiba Equium A110",
254 .matches = {
255 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
257 },
258 },
865190cd
DT		 259 {
260 .ident = "Alienware Sentia",
261 .matches = {
262 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
264 },
265 },
4eb38ac0
DT		 266 {
267 .ident = "Sharp Actius MM20",
268 .matches = {
269 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
271 },
272 },
3dd01a83
VP		 273 {
274 .ident = "Sony Vaio FS-115b",
275 .matches = {
276 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
277 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
278 },
279 },
e2df452b
CH		 280 {
281 .ident = "Amoi M636/A737",
282 .matches = {
283 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
284 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
285 },
286 },
2a2dcd65
JK		 287 {
288 .ident = "Lenovo 3000 n100",
289 .matches = {
290 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
291 DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
292 },
293 },
1da177e4
LT		 294 { }
295};
296
297
298
299#endif
300
8987fec0
CC		 301#ifdef CONFIG_X86
302
303#include <linux/dmi.h>
304
305/*
306 * Some Wistron based laptops need us to explicitly enable the 'Dritek
307 * keyboard extension' to make their extra keys start generating scancodes.
308 * Originally, this was just confined to older laptops, but a few Acer laptops
309 * have turned up in 2007 that also need this again.
310 */
311static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
312 {
313 .ident = "Acer Aspire 5630",
314 .matches = {
315 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
316 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
317 },
318 },
319 {
320 .ident = "Acer Aspire 5650",
321 .matches = {
322 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
323 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
324 },
325 },
326 {
327 .ident = "Acer Aspire 5680",
328 .matches = {
329 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
330 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
331 },
332 },
5799ddb5
CC		 333 {
334 .ident = "Acer Aspire 9110",
335 .matches = {
336 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
337 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
338 },
339 },
65e660aa
BP		 340 {
341 .ident = "Acer TravelMate 660",
342 .matches = {
343 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
344 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
345 },
346 },
8987fec0
CC		 347 {
348 .ident = "Acer TravelMate 2490",
349 .matches = {
350 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
351 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
352 },
353 },
354 { }
355};
356
357#endif /* CONFIG_X86 */
358
1da177e4
LT		 359
360#ifdef CONFIG_PNP
361#include <linux/pnp.h>
362
363static int i8042_pnp_kbd_registered;
2bfc3c6e 364static unsigned int i8042_pnp_kbd_devices;
1da177e4 365static int i8042_pnp_aux_registered;
2bfc3c6e 366static unsigned int i8042_pnp_aux_devices;
1da177e4
LT		 367
368static int i8042_pnp_command_reg;
369static int i8042_pnp_data_reg;
370static int i8042_pnp_kbd_irq;
371static int i8042_pnp_aux_irq;
372
373static char i8042_pnp_kbd_name[32];
374static char i8042_pnp_aux_name[32];
375
376static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
377{
378 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
379 i8042_pnp_data_reg = pnp_port_start(dev,0);
380
381 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
382 i8042_pnp_command_reg = pnp_port_start(dev, 1);
383
384 if (pnp_irq_valid(dev,0))
385 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
386
8c6deb9c 387 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1da177e4 388 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 389 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
390 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1da177e4
LT		 391 }
392
2bfc3c6e 393 i8042_pnp_kbd_devices++;
1da177e4
LT		 394 return 0;
395}
396
397static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
398{
399 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
400 i8042_pnp_data_reg = pnp_port_start(dev,0);
401
402 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
403 i8042_pnp_command_reg = pnp_port_start(dev, 1);
404
405 if (pnp_irq_valid(dev, 0))
406 i8042_pnp_aux_irq = pnp_irq(dev, 0);
407
8c6deb9c 408 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1da177e4 409 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 410 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
411 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1da177e4
LT		 412 }
413
2bfc3c6e 414 i8042_pnp_aux_devices++;
1da177e4
LT		 415 return 0;
416}
417
418static struct pnp_device_id pnp_kbd_devids[] = {
419 { .id = "PNP0303", .driver_data = 0 },
420 { .id = "PNP030b", .driver_data = 0 },
421 { .id = "", },
422};
423
424static struct pnp_driver i8042_pnp_kbd_driver = {
425 .name = "i8042 kbd",
426 .id_table = pnp_kbd_devids,
427 .probe = i8042_pnp_kbd_probe,
428};
429
430static struct pnp_device_id pnp_aux_devids[] = {
b9973954
DT		 431 { .id = "FJC6000", .driver_data = 0 },
432 { .id = "FJC6001", .driver_data = 0 },
1da177e4
LT		 433 { .id = "PNP0f03", .driver_data = 0 },
434 { .id = "PNP0f0b", .driver_data = 0 },
435 { .id = "PNP0f0e", .driver_data = 0 },
436 { .id = "PNP0f12", .driver_data = 0 },
437 { .id = "PNP0f13", .driver_data = 0 },
438 { .id = "PNP0f19", .driver_data = 0 },
439 { .id = "PNP0f1c", .driver_data = 0 },
440 { .id = "SYN0801", .driver_data = 0 },
441 { .id = "", },
442};
443
444static struct pnp_driver i8042_pnp_aux_driver = {
445 .name = "i8042 aux",
446 .id_table = pnp_aux_devids,
447 .probe = i8042_pnp_aux_probe,
448};
449
450static void i8042_pnp_exit(void)
451{
74af42bb
KG		 452 if (i8042_pnp_kbd_registered) {
453 i8042_pnp_kbd_registered = 0;
1da177e4 454 pnp_unregister_driver(&i8042_pnp_kbd_driver);
74af42bb 455 }
1da177e4 456
74af42bb
KG		 457 if (i8042_pnp_aux_registered) {
458 i8042_pnp_aux_registered = 0;
1da177e4 459 pnp_unregister_driver(&i8042_pnp_aux_driver);
74af42bb 460 }
1da177e4
LT		 461}
462
8d5987a6 463static int __init i8042_pnp_init(void)
1da177e4 464{
c3d31e7f 465 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
080c652d 466 int pnp_data_busted = 0;
2bfc3c6e 467 int err;
1da177e4
LT		 468
469 if (i8042_nopnp) {
39fa5800 470 printk(KERN_INFO "i8042: PNP detection disabled\n");
1da177e4
LT		 471 return 0;
472 }
473
2bfc3c6e
BH		 474 err = pnp_register_driver(&i8042_pnp_kbd_driver);
475 if (!err)
1da177e4 476 i8042_pnp_kbd_registered = 1;
c3d31e7f 477
2bfc3c6e
BH		 478 err = pnp_register_driver(&i8042_pnp_aux_driver);
479 if (!err)
1da177e4
LT		 480 i8042_pnp_aux_registered = 1;
481
2bfc3c6e 482 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1da177e4
LT		 483 i8042_pnp_exit();
484#if defined(__ia64__)
485 return -ENODEV;
486#else
5a72afc0 487 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
1da177e4
LT		 488 return 0;
489#endif
490 }
491
2bfc3c6e 492 if (i8042_pnp_kbd_devices)
c3d31e7f
DT		 493 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
494 "%d", i8042_pnp_kbd_irq);
2bfc3c6e 495 if (i8042_pnp_aux_devices)
c3d31e7f
DT		 496 snprintf(aux_irq_str, sizeof(aux_irq_str),
497 "%d", i8042_pnp_aux_irq);
498
499 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
2bfc3c6e 500 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 501 i8042_pnp_aux_name,
502 i8042_pnp_data_reg, i8042_pnp_command_reg,
2bfc3c6e 503 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 504 aux_irq_str);
505
506#if defined(__ia64__)
2bfc3c6e 507 if (!i8042_pnp_kbd_devices)
945ef0d4 508 i8042_nokbd = 1;
2bfc3c6e 509 if (!i8042_pnp_aux_devices)
c3d31e7f
DT		 510 i8042_noaux = 1;
511#endif
512
1da177e4 513 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
080c652d
DT		 514 i8042_pnp_data_reg != i8042_data_reg) ||
515 !i8042_pnp_data_reg) {
516 printk(KERN_WARNING
517 "PNP: PS/2 controller has invalid data port %#x; "
518 "using default %#x\n",
1da177e4
LT		 519 i8042_pnp_data_reg, i8042_data_reg);
520 i8042_pnp_data_reg = i8042_data_reg;
080c652d 521 pnp_data_busted = 1;
1da177e4
LT		 522 }
523
524 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
080c652d
DT		 525 i8042_pnp_command_reg != i8042_command_reg) ||
526 !i8042_pnp_command_reg) {
527 printk(KERN_WARNING
528 "PNP: PS/2 controller has invalid command port %#x; "
529 "using default %#x\n",
1da177e4
LT		 530 i8042_pnp_command_reg, i8042_command_reg);
531 i8042_pnp_command_reg = i8042_command_reg;
080c652d 532 pnp_data_busted = 1;
1da177e4
LT		 533 }
534
945ef0d4 535 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
080c652d
DT		 536 printk(KERN_WARNING
537 "PNP: PS/2 controller doesn't have KBD irq; "
538 "using default %d\n", i8042_kbd_irq);
1da177e4 539 i8042_pnp_kbd_irq = i8042_kbd_irq;
080c652d 540 pnp_data_busted = 1;
1da177e4
LT		 541 }
542
c3d31e7f 543 if (!i8042_noaux && !i8042_pnp_aux_irq) {
080c652d
DT		 544 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
545 printk(KERN_WARNING
546 "PNP: PS/2 appears to have AUX port disabled, "
547 "if this is incorrect please boot with "
548 "i8042.nopnp\n");
549 i8042_noaux = 1;
550 } else {
551 printk(KERN_WARNING
552 "PNP: PS/2 controller doesn't have AUX irq; "
553 "using default %d\n", i8042_aux_irq);
554 i8042_pnp_aux_irq = i8042_aux_irq;
555 }
1da177e4
LT		 556 }
557
1da177e4
LT		 558 i8042_data_reg = i8042_pnp_data_reg;
559 i8042_command_reg = i8042_pnp_command_reg;
560 i8042_kbd_irq = i8042_pnp_kbd_irq;
561 i8042_aux_irq = i8042_pnp_aux_irq;
562
1da177e4
LT		 563 return 0;
564}
565
8d5987a6
DT		 566#else
567static inline int i8042_pnp_init(void) { return 0; }
568static inline void i8042_pnp_exit(void) { }
1da177e4
LT		 569#endif
570
8d5987a6 571static int __init i8042_platform_init(void)
1da177e4 572{
8d5987a6
DT		 573 int retval;
574
1da177e4
LT		 575/*
576 * On ix86 platforms touching the i8042 data register region can do really
577 * bad things. Because of this the region is always reserved on ix86 boxes.
578 *
579 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
8d5987a6 580 * return -EBUSY;
1da177e4
LT		 581 */
582
583 i8042_kbd_irq = I8042_MAP_IRQ(1);
584 i8042_aux_irq = I8042_MAP_IRQ(12);
585
8d5987a6
DT		 586 retval = i8042_pnp_init();
587 if (retval)
588 return retval;
1da177e4
LT		 589
590#if defined(__ia64__)
591 i8042_reset = 1;
592#endif
593
b4d62de1 594#if defined(__i386__) || defined(__x86_64__)
1da177e4
LT		 595 if (dmi_check_system(i8042_dmi_noloop_table))
596 i8042_noloop = 1;
597
598 if (dmi_check_system(i8042_dmi_nomux_table))
599 i8042_nomux = 1;
600#endif
601
8987fec0
CC		 602#ifdef CONFIG_X86
603 if (dmi_check_system(i8042_dmi_dritek_table))
604 i8042_dritek = 1;
605#endif /* CONFIG_X86 */
606
8d5987a6 607 return retval;
1da177e4
LT		 608}
609
610static inline void i8042_platform_exit(void)
611{
1da177e4 612 i8042_pnp_exit();
1da177e4
LT		 613}
614
615#endif /* _I8042_X86IA64IO_H */
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