projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'bind_unbind' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
[GitHub/LineageOS/android_kernel_motorola_exynos9610.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
5cdfa1c3
FT		 10#ifdef CONFIG_X86
11#include <asm/x86_init.h>
12#endif
13
1da177e4
LT		 14/*
15 * Names.
16 */
17
18#define I8042_KBD_PHYS_DESC "isa0060/serio0"
19#define I8042_AUX_PHYS_DESC "isa0060/serio1"
20#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
21
22/*
23 * IRQs.
24 */
25
26#if defined(__ia64__)
27# define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
28#else
29# define I8042_MAP_IRQ(x) (x)
30#endif
31
32#define I8042_KBD_IRQ i8042_kbd_irq
33#define I8042_AUX_IRQ i8042_aux_irq
34
35static int i8042_kbd_irq;
36static int i8042_aux_irq;
37
38/*
39 * Register numbers.
40 */
41
42#define I8042_COMMAND_REG i8042_command_reg
43#define I8042_STATUS_REG i8042_command_reg
44#define I8042_DATA_REG i8042_data_reg
45
46static int i8042_command_reg = 0x64;
47static int i8042_data_reg = 0x60;
48
49
50static inline int i8042_read_data(void)
51{
52 return inb(I8042_DATA_REG);
53}
54
55static inline int i8042_read_status(void)
56{
57 return inb(I8042_STATUS_REG);
58}
59
60static inline void i8042_write_data(int val)
61{
62 outb(val, I8042_DATA_REG);
63}
64
65static inline void i8042_write_command(int val)
66{
67 outb(val, I8042_COMMAND_REG);
68}
69
c3a34f43 70#ifdef CONFIG_X86
1da177e4
LT		 71
72#include <linux/dmi.h>
73
f909b1df 74static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
87d9173e 75 {
f909b1df
DT		 76 /*
77 * Arima-Rioworks HDAMB -
78 * AUX LOOP command does not raise AUX IRQ
79 */
87d9173e
DT		 80 .matches = {
81 DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
82 DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
83 DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
84 },
85 },
685aaca7 86 {
f909b1df 87 /* ASUS G1S */
685aaca7
JP		 88 .matches = {
89 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
90 DMI_MATCH(DMI_BOARD_NAME, "G1S"),
91 DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
92 },
93 },
90245c17 94 {
f909b1df 95 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
90245c17
DT		 96 .matches = {
97 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
98 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
99 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
100 },
101 },
9ff84a17
HG		 102 {
103 .matches = {
104 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
105 DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
106 },
107 },
1da177e4 108 {
1da177e4
LT		 109 .matches = {
110 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
111 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
112 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
113 },
114 },
115 {
1da177e4
LT		 116 .matches = {
117 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
118 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
119 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
120 },
121 },
45838660
KHF		 122 {
123 /* Dell Embedded Box PC 3000 */
124 .matches = {
125 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
126 DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
127 },
128 },
6020bafc 129 {
f909b1df 130 /* OQO Model 01 */
6020bafc
BC		 131 .matches = {
132 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
133 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
134 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
135 },
136 },
8c4df74e 137 {
f909b1df 138 /* ULI EV4873 - AUX LOOP does not work properly */
8c4df74e
DT		 139 .matches = {
140 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
141 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
142 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
143 },
144 },
8bf4215e 145 {
f909b1df 146 /* Microsoft Virtual Machine */
8bf4215e
JK		 147 .matches = {
148 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
149 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
150 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
151 },
152 },
89cdb8ce 153 {
f909b1df 154 /* Medion MAM 2070 */
89cdb8ce
DT		 155 .matches = {
156 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
157 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
158 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
159 },
1d90d6d5
JH		 160 },
161 {
162 /* Medion Akoya E7225 */
163 .matches = {
164 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
165 DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
166 DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
167 },
89cdb8ce 168 },
2c6f2cb8 169 {
f909b1df 170 /* Blue FB5601 */
2c6f2cb8
SB		 171 .matches = {
172 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
173 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
174 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
175 },
176 },
a6f66ddf 177 {
f909b1df 178 /* Gigabyte M912 */
a6f66ddf
OÇ		 179 .matches = {
180 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
181 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
182 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
183 },
184 },
a61cd038
DT		 185 {
186 /* Gigabyte M1022M netbook */
187 .matches = {
188 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
189 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
190 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
191 },
192 },
3e1bbc8d
KM		 193 {
194 /* Gigabyte Spring Peak - defines wrong chassis type */
195 .matches = {
196 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
197 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
198 },
199 },
7b125b94
DT		 200 {
201 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
202 .matches = {
203 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
204 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
205 },
206 },
207 {
208 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
209 .matches = {
210 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
211 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
212 },
213 },
59cc1dd9 214 {
59cc1dd9
DT		 215 .matches = {
216 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
217 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
218 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
219 },
220 },
41c567a5
MPS		 221 {
222 .matches = {
223 DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
224 DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
225 },
226 },
1da177e4
LT		 227 { }
228};
229
230/*
e55a3366
DT		 231 * Some Fujitsu notebooks are having trouble with touchpads if
232 * active multiplexing mode is activated. Luckily they don't have
233 * external PS/2 ports so we can safely disable it.
234 * ... apparently some Toshibas don't like MUX mode either and
235 * die horrible death on reboot.
1da177e4 236 */
e55a3366
DT		 237static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
238 {
239 /* Fujitsu Lifebook P7010/P7010D */
240 .matches = {
241 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
243 },
244 },
245 {
246 /* Fujitsu Lifebook P7010 */
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
250 },
251 },
252 {
253 /* Fujitsu Lifebook P5020D */
254 .matches = {
255 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
257 },
258 },
259 {
260 /* Fujitsu Lifebook S2000 */
261 .matches = {
262 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
264 },
265 },
266 {
267 /* Fujitsu Lifebook S6230 */
268 .matches = {
269 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
271 },
272 },
dd0d0d4d
AF		 273 {
274 /* Fujitsu Lifebook U745 */
275 .matches = {
276 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
277 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
278 },
279 },
e55a3366
DT		 280 {
281 /* Fujitsu T70H */
282 .matches = {
283 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
284 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
285 },
286 },
287 {
288 /* Fujitsu-Siemens Lifebook T3010 */
289 .matches = {
290 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
291 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
292 },
293 },
294 {
295 /* Fujitsu-Siemens Lifebook E4010 */
296 .matches = {
297 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
298 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
299 },
300 },
301 {
302 /* Fujitsu-Siemens Amilo Pro 2010 */
303 .matches = {
304 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
305 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
306 },
307 },
308 {
309 /* Fujitsu-Siemens Amilo Pro 2030 */
310 .matches = {
311 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
312 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
313 },
314 },
315 {
316 /*
317 * No data is coming from the touchscreen unless KBC
318 * is in legacy mode.
319 */
320 /* Panasonic CF-29 */
321 .matches = {
322 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
323 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
324 },
325 },
326 {
327 /*
328 * HP Pavilion DV4017EA -
329 * errors on MUX ports are reported without raising AUXDATA
330 * causing "spurious NAK" messages.
331 */
332 .matches = {
333 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
334 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
335 },
336 },
337 {
338 /*
339 * HP Pavilion ZT1000 -
340 * like DV4017EA does not raise AUXERR for errors on MUX ports.
341 */
342 .matches = {
343 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
344 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
345 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
346 },
347 },
749aea73
EP		 348 {
349 /*
e55a3366
DT		 350 * HP Pavilion DV4270ca -
351 * like DV4017EA does not raise AUXERR for errors on MUX ports.
749aea73 352 */
749aea73 353 .matches = {
e55a3366
DT		 354 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
355 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
356 },
357 },
358 {
359 .matches = {
360 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
361 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
362 },
363 },
364 {
365 .matches = {
366 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
367 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
368 },
369 },
370 {
371 .matches = {
372 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
373 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
374 },
375 },
376 {
377 .matches = {
378 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
379 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
380 },
381 },
382 {
383 /* Sharp Actius MM20 */
384 .matches = {
385 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
386 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
387 },
388 },
389 {
390 /* Sony Vaio FS-115b */
391 .matches = {
392 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
393 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
394 },
395 },
396 {
397 /*
398 * Sony Vaio FZ-240E -
399 * reset and GET ID commands issued via KBD port are
400 * sometimes being delivered to AUX3.
401 */
402 .matches = {
403 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
404 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
405 },
406 },
407 {
408 /*
409 * Most (all?) VAIOs do not have external PS/2 ports nor
410 * they implement active multiplexing properly, and
411 * MUX discovery usually messes up keyboard/touchpad.
412 */
413 .matches = {
414 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
415 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
416 },
417 },
418 {
419 /* Amoi M636/A737 */
420 .matches = {
421 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
422 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
423 },
424 },
425 {
426 /* Lenovo 3000 n100 */
427 .matches = {
428 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
429 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
430 },
431 },
432 {
433 .matches = {
434 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
435 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
436 },
437 },
438 {
439 /* Acer Aspire 5710 */
440 .matches = {
441 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
442 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
443 },
444 },
9333caea
DT		 445 {
446 /* Acer Aspire 7738 */
447 .matches = {
448 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
449 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
450 },
451 },
e55a3366
DT		 452 {
453 /* Gericom Bellagio */
454 .matches = {
455 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
456 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
457 },
458 },
459 {
460 /* IBM 2656 */
461 .matches = {
462 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
463 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
464 },
465 },
466 {
467 /* Dell XPS M1530 */
468 .matches = {
469 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
470 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
471 },
472 },
473 {
474 /* Compal HEL80I */
475 .matches = {
476 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
477 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
478 },
479 },
480 {
481 /* Dell Vostro 1510 */
482 .matches = {
483 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
484 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
485 },
486 },
487 {
488 /* Acer Aspire 5536 */
489 .matches = {
490 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
491 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
492 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
493 },
494 },
495 {
496 /* Dell Vostro V13 */
497 .matches = {
498 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
499 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
500 },
501 },
502 {
503 /* Newer HP Pavilion dv4 models */
504 .matches = {
505 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
506 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
507 },
508 },
509 {
510 /* Asus X450LCP */
511 .matches = {
512 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
513 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
514 },
515 },
516 {
517 /* Avatar AVIU-145A6 */
518 .matches = {
519 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
520 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
d2682118
HG		 521 },
522 },
a4c2a131
DT		 523 {
524 /* TUXEDO BU1406 */
525 .matches = {
526 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
527 DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
528 },
529 },
1da177e4
LT		 530 { }
531};
532
930e1924
MPS		 533/*
534 * On some Asus laptops, just running self tests cause problems.
535 */
536static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
537 {
538 .matches = {
539 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
77b42539 540 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
930e1924
MPS		 541 },
542 },
543 { }
544};
f909b1df 545static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
7c46e236 546 {
f909b1df 547 /* MSI Wind U-100 */
7c46e236
AV		 548 .matches = {
549 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
550 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
551 },
552 },
553 {
f909b1df 554 /* LG Electronics X110 */
7c46e236
AV		 555 .matches = {
556 DMI_MATCH(DMI_BOARD_NAME, "X110"),
557 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
558 },
559 },
9230ccb1 560 {
f909b1df 561 /* Acer Aspire One 150 */
9230ccb1
YL		 562 .matches = {
563 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
564 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
565 },
566 },
567 {
f909b1df 568 /* Advent 4211 */
9230ccb1
YL		 569 .matches = {
570 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
571 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
572 },
573 },
574 {
f909b1df 575 /* Medion Akoya Mini E1210 */
9230ccb1
YL		 576 .matches = {
577 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
578 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
579 },
580 },
31968ecf
CF		 581 {
582 /* Medion Akoya E1222 */
583 .matches = {
584 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
585 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
586 },
587 },
9230ccb1 588 {
f909b1df 589 /* Mivvy M310 */
9230ccb1
YL		 590 .matches = {
591 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
592 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
593 },
594 },
049e2d13 595 {
f909b1df 596 /* Dell Vostro 1320 */
049e2d13
AA		 597 .matches = {
598 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
599 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
600 },
601 },
602 {
f909b1df 603 /* Dell Vostro 1520 */
049e2d13
AA		 604 .matches = {
605 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
606 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
607 },
608 },
609 {
f909b1df 610 /* Dell Vostro 1720 */
049e2d13
AA		 611 .matches = {
612 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
613 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
614 },
615 },
82b982c9
IM		 616 {
617 /* Lenovo Ideapad U455 */
618 .matches = {
619 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
620 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
621 },
622 },
7c5bb4ac
DT		 623 {
624 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
625 .matches = {
626 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
627 DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
628 },
629 },
7c46e236
AV		 630 { }
631};
632
c3a34f43 633#ifdef CONFIG_PNP
f909b1df 634static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
c3a34f43 635 {
f909b1df 636 /* Intel MBO Desktop D845PESV */
c3a34f43
JK		 637 .matches = {
638 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
639 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
640 },
641 },
8195077c
TM		 642 {
643 /*
644 * Intel NUC D54250WYK - does not have i8042 controller but
645 * declares PS/2 devices in DSDT.
646 */
647 .matches = {
648 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
649 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
650 },
651 },
7c46e236 652 {
f909b1df 653 /* MSI Wind U-100 */
7c46e236
AV		 654 .matches = {
655 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
656 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
657 },
658 },
c3a34f43
JK		 659 { }
660};
1c7827ae 661
f909b1df 662static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
1c7827ae 663 {
1c7827ae
DT		 664 .matches = {
665 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
666 },
667 },
668 {
1c7827ae
DT		 669 .matches = {
670 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
671 },
672 },
673 {
1c7827ae
DT		 674 .matches = {
675 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
676 },
677 },
678 {
1c7827ae
DT		 679 .matches = {
680 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
681 },
682 },
683 { }
684};
1da177e4
LT		 685#endif
686
f8313ef1
JK		 687static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
688 {
689 /* Dell Vostro V13 */
690 .matches = {
691 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
692 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
693 },
694 },
b42c9097
TM		 695 {
696 /* Newer HP Pavilion dv4 models */
697 .matches = {
698 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
699 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
700 },
701 },
993b3a3f
HG		 702 {
703 /* Fujitsu A544 laptop */
704 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
705 .matches = {
706 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
707 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
708 },
709 },
710 {
711 /* Fujitsu AH544 laptop */
712 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
713 .matches = {
714 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
715 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
716 },
717 },
cc18a69c
HG		 718 {
719 /* Fujitsu U574 laptop */
720 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
721 .matches = {
722 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
723 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
724 },
725 },
817ae460
DD		 726 {
727 /* Fujitsu UH554 laptop */
728 .matches = {
729 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
730 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
731 },
732 },
f8313ef1
JK		 733 { }
734};
735
8987fec0
CC		 736/*
737 * Some Wistron based laptops need us to explicitly enable the 'Dritek
738 * keyboard extension' to make their extra keys start generating scancodes.
739 * Originally, this was just confined to older laptops, but a few Acer laptops
740 * have turned up in 2007 that also need this again.
741 */
f909b1df 742static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
a06a09c8
PR		 743 {
744 /* Acer Aspire 5100 */
745 .matches = {
746 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
747 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
748 },
749 },
e6edbdc5
ESA		 750 {
751 /* Acer Aspire 5610 */
752 .matches = {
753 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
754 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
755 },
756 },
8987fec0 757 {
f909b1df 758 /* Acer Aspire 5630 */
8987fec0
CC		 759 .matches = {
760 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
761 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
762 },
763 },
764 {
f909b1df 765 /* Acer Aspire 5650 */
8987fec0
CC		 766 .matches = {
767 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
768 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
769 },
770 },
771 {
f909b1df 772 /* Acer Aspire 5680 */
8987fec0
CC		 773 .matches = {
774 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
775 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
776 },
777 },
0e7e92fa 778 {
f909b1df 779 /* Acer Aspire 5720 */
0e7e92fa
CC		 780 .matches = {
781 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
782 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
783 },
784 },
5799ddb5 785 {
f909b1df 786 /* Acer Aspire 9110 */
5799ddb5
CC		 787 .matches = {
788 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
789 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
790 },
791 },
65e660aa 792 {
f909b1df 793 /* Acer TravelMate 660 */
65e660aa
BP		 794 .matches = {
795 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
796 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
797 },
798 },
8987fec0 799 {
f909b1df 800 /* Acer TravelMate 2490 */
8987fec0
CC		 801 .matches = {
802 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
803 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
804 },
805 },
8e4ae101 806 {
f909b1df 807 /* Acer TravelMate 4280 */
8e4ae101
CC		 808 .matches = {
809 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
810 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
811 },
812 },
8987fec0
CC		 813 { }
814};
815
148e9a71
SV		 816/*
817 * Some laptops need keyboard reset before probing for the trackpad to get
818 * it detected, initialised & finally work.
819 */
820static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
821 {
822 /* Gigabyte P35 v2 - Elantech touchpad */
823 .matches = {
824 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
825 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
826 },
827 },
828 {
829 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
830 .matches = {
831 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
832 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
833 },
834 },
835 {
836 /* Gigabyte P34 - Elantech touchpad */
837 .matches = {
838 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
839 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
840 },
841 },
da25311c
PS		 842 {
843 /* Schenker XMG C504 - Elantech touchpad */
844 .matches = {
845 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
846 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
847 },
848 },
148e9a71
SV		 849 { }
850};
851
8987fec0
CC		 852#endif /* CONFIG_X86 */
853
1da177e4
LT		 854#ifdef CONFIG_PNP
855#include <linux/pnp.h>
856
386b3849 857static bool i8042_pnp_kbd_registered;
2bfc3c6e 858static unsigned int i8042_pnp_kbd_devices;
386b3849 859static bool i8042_pnp_aux_registered;
2bfc3c6e 860static unsigned int i8042_pnp_aux_devices;
1da177e4
LT		 861
862static int i8042_pnp_command_reg;
863static int i8042_pnp_data_reg;
864static int i8042_pnp_kbd_irq;
865static int i8042_pnp_aux_irq;
866
867static char i8042_pnp_kbd_name[32];
868static char i8042_pnp_aux_name[32];
869
a7c5868c
HG		 870static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
871{
872 strlcpy(dst, "PNP:", dst_size);
873
874 while (id) {
875 strlcat(dst, " ", dst_size);
876 strlcat(dst, id->id, dst_size);
877 id = id->next;
878 }
879}
880
1da177e4
LT		 881static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
882{
883 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
884 i8042_pnp_data_reg = pnp_port_start(dev,0);
885
886 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
887 i8042_pnp_command_reg = pnp_port_start(dev, 1);
888
889 if (pnp_irq_valid(dev,0))
890 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
891
8c6deb9c 892 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1da177e4 893 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 894 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
895 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1da177e4 896 }
a7c5868c
HG		 897 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
898 sizeof(i8042_kbd_firmware_id));
1da177e4 899
3e6e15a8
AS		 900 /* Keyboard ports are always supposed to be wakeup-enabled */
901 device_set_wakeup_enable(&dev->dev, true);
902
2bfc3c6e 903 i8042_pnp_kbd_devices++;
1da177e4
LT		 904 return 0;
905}
906
907static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
908{
909 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
910 i8042_pnp_data_reg = pnp_port_start(dev,0);
911
912 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
913 i8042_pnp_command_reg = pnp_port_start(dev, 1);
914
915 if (pnp_irq_valid(dev, 0))
916 i8042_pnp_aux_irq = pnp_irq(dev, 0);
917
8c6deb9c 918 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1da177e4 919 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 920 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
921 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1da177e4 922 }
a7c5868c
HG		 923 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
924 sizeof(i8042_aux_firmware_id));
1da177e4 925
2bfc3c6e 926 i8042_pnp_aux_devices++;
1da177e4
LT		 927 return 0;
928}
929
930static struct pnp_device_id pnp_kbd_devids[] = {
09fac079
MG		 931 { .id = "PNP0300", .driver_data = 0 },
932 { .id = "PNP0301", .driver_data = 0 },
933 { .id = "PNP0302", .driver_data = 0 },
1da177e4 934 { .id = "PNP0303", .driver_data = 0 },
09fac079
MG		 935 { .id = "PNP0304", .driver_data = 0 },
936 { .id = "PNP0305", .driver_data = 0 },
937 { .id = "PNP0306", .driver_data = 0 },
938 { .id = "PNP0309", .driver_data = 0 },
939 { .id = "PNP030a", .driver_data = 0 },
1da177e4 940 { .id = "PNP030b", .driver_data = 0 },
09fac079
MG		 941 { .id = "PNP0320", .driver_data = 0 },
942 { .id = "PNP0343", .driver_data = 0 },
943 { .id = "PNP0344", .driver_data = 0 },
944 { .id = "PNP0345", .driver_data = 0 },
945 { .id = "CPQA0D7", .driver_data = 0 },
1da177e4
LT		 946 { .id = "", },
947};
78551277 948MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1da177e4
LT		 949
950static struct pnp_driver i8042_pnp_kbd_driver = {
951 .name = "i8042 kbd",
952 .id_table = pnp_kbd_devids,
953 .probe = i8042_pnp_kbd_probe,
1a902777
DT		 954 .driver = {
955 .probe_type = PROBE_FORCE_SYNCHRONOUS,
956 .suppress_bind_attrs = true,
957 },
1da177e4
LT		 958};
959
960static struct pnp_device_id pnp_aux_devids[] = {
dba06b83 961 { .id = "AUI0200", .driver_data = 0 },
b9973954
DT		 962 { .id = "FJC6000", .driver_data = 0 },
963 { .id = "FJC6001", .driver_data = 0 },
1da177e4
LT		 964 { .id = "PNP0f03", .driver_data = 0 },
965 { .id = "PNP0f0b", .driver_data = 0 },
966 { .id = "PNP0f0e", .driver_data = 0 },
967 { .id = "PNP0f12", .driver_data = 0 },
968 { .id = "PNP0f13", .driver_data = 0 },
969 { .id = "PNP0f19", .driver_data = 0 },
970 { .id = "PNP0f1c", .driver_data = 0 },
971 { .id = "SYN0801", .driver_data = 0 },
972 { .id = "", },
973};
78551277 974MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1da177e4
LT		 975
976static struct pnp_driver i8042_pnp_aux_driver = {
977 .name = "i8042 aux",
978 .id_table = pnp_aux_devids,
979 .probe = i8042_pnp_aux_probe,
1a902777
DT		 980 .driver = {
981 .probe_type = PROBE_FORCE_SYNCHRONOUS,
982 .suppress_bind_attrs = true,
983 },
1da177e4
LT		 984};
985
986static void i8042_pnp_exit(void)
987{
74af42bb 988 if (i8042_pnp_kbd_registered) {
386b3849 989 i8042_pnp_kbd_registered = false;
1da177e4 990 pnp_unregister_driver(&i8042_pnp_kbd_driver);
74af42bb 991 }
1da177e4 992
74af42bb 993 if (i8042_pnp_aux_registered) {
386b3849 994 i8042_pnp_aux_registered = false;
1da177e4 995 pnp_unregister_driver(&i8042_pnp_aux_driver);
74af42bb 996 }
1da177e4
LT		 997}
998
8d5987a6 999static int __init i8042_pnp_init(void)
1da177e4 1000{
c3d31e7f 1001 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
7dcc9c23 1002 bool pnp_data_busted = false;
2bfc3c6e 1003 int err;
1da177e4 1004
c3a34f43
JK		 1005#ifdef CONFIG_X86
1006 if (dmi_check_system(i8042_dmi_nopnp_table))
386b3849 1007 i8042_nopnp = true;
c3a34f43
JK		 1008#endif
1009
1da177e4 1010 if (i8042_nopnp) {
4eb3c30b 1011 pr_info("PNP detection disabled\n");
1da177e4
LT		 1012 return 0;
1013 }
1014
2bfc3c6e
BH		 1015 err = pnp_register_driver(&i8042_pnp_kbd_driver);
1016 if (!err)
386b3849 1017 i8042_pnp_kbd_registered = true;
c3d31e7f 1018
2bfc3c6e
BH		 1019 err = pnp_register_driver(&i8042_pnp_aux_driver);
1020 if (!err)
386b3849 1021 i8042_pnp_aux_registered = true;
1da177e4 1022
2bfc3c6e 1023 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1da177e4
LT		 1024 i8042_pnp_exit();
1025#if defined(__ia64__)
1026 return -ENODEV;
1027#else
d79e141c
DT		 1028 pr_info("PNP: No PS/2 controller found.\n");
1029 if (x86_platform.legacy.i8042 !=
1030 X86_LEGACY_I8042_EXPECTED_PRESENT)
1031 return -ENODEV;
1032 pr_info("Probing ports directly.\n");
1da177e4
LT		 1033 return 0;
1034#endif
1035 }
1036
2bfc3c6e 1037 if (i8042_pnp_kbd_devices)
c3d31e7f
DT		 1038 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1039 "%d", i8042_pnp_kbd_irq);
2bfc3c6e 1040 if (i8042_pnp_aux_devices)
c3d31e7f
DT		 1041 snprintf(aux_irq_str, sizeof(aux_irq_str),
1042 "%d", i8042_pnp_aux_irq);
1043
4eb3c30b 1044 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
2bfc3c6e 1045 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 1046 i8042_pnp_aux_name,
1047 i8042_pnp_data_reg, i8042_pnp_command_reg,
2bfc3c6e 1048 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 1049 aux_irq_str);
1050
1051#if defined(__ia64__)
2bfc3c6e 1052 if (!i8042_pnp_kbd_devices)
386b3849 1053 i8042_nokbd = true;
2bfc3c6e 1054 if (!i8042_pnp_aux_devices)
386b3849 1055 i8042_noaux = true;
c3d31e7f
DT		 1056#endif
1057
1da177e4 1058 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
080c652d
DT		 1059 i8042_pnp_data_reg != i8042_data_reg) ||
1060 !i8042_pnp_data_reg) {
4eb3c30b 1061 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1da177e4
LT		 1062 i8042_pnp_data_reg, i8042_data_reg);
1063 i8042_pnp_data_reg = i8042_data_reg;
386b3849 1064 pnp_data_busted = true;
1da177e4
LT		 1065 }
1066
1067 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
080c652d
DT		 1068 i8042_pnp_command_reg != i8042_command_reg) ||
1069 !i8042_pnp_command_reg) {
4eb3c30b 1070 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1da177e4
LT		 1071 i8042_pnp_command_reg, i8042_command_reg);
1072 i8042_pnp_command_reg = i8042_command_reg;
386b3849 1073 pnp_data_busted = true;
1da177e4
LT		 1074 }
1075
945ef0d4 1076 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
4eb3c30b
JP		 1077 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1078 i8042_kbd_irq);
1da177e4 1079 i8042_pnp_kbd_irq = i8042_kbd_irq;
386b3849 1080 pnp_data_busted = true;
1da177e4
LT		 1081 }
1082
c3d31e7f 1083 if (!i8042_noaux && !i8042_pnp_aux_irq) {
080c652d 1084 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
4eb3c30b
JP		 1085 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1086 "if this is incorrect please boot with i8042.nopnp\n");
386b3849 1087 i8042_noaux = true;
080c652d 1088 } else {
4eb3c30b
JP		 1089 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1090 i8042_aux_irq);
080c652d
DT		 1091 i8042_pnp_aux_irq = i8042_aux_irq;
1092 }
1da177e4
LT		 1093 }
1094
1da177e4
LT		 1095 i8042_data_reg = i8042_pnp_data_reg;
1096 i8042_command_reg = i8042_pnp_command_reg;
1097 i8042_kbd_irq = i8042_pnp_kbd_irq;
1098 i8042_aux_irq = i8042_pnp_aux_irq;
1099
1c7827ae
DT		 1100#ifdef CONFIG_X86
1101 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1102 dmi_check_system(i8042_dmi_laptop_table);
1103#endif
1104
1da177e4
LT		 1105 return 0;
1106}
1107
4d46f014 1108#else /* !CONFIG_PNP */
8d5987a6
DT		 1109static inline int i8042_pnp_init(void) { return 0; }
1110static inline void i8042_pnp_exit(void) { }
4d46f014 1111#endif /* CONFIG_PNP */
1da177e4 1112
8d5987a6 1113static int __init i8042_platform_init(void)
1da177e4 1114{
8d5987a6
DT		 1115 int retval;
1116
5cdfa1c3 1117#ifdef CONFIG_X86
ad686524 1118 u8 a20_on = 0xdf;
d79e141c
DT		 1119 /* Just return if platform does not have i8042 controller */
1120 if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
5cdfa1c3
FT		 1121 return -ENODEV;
1122#endif
1123
1da177e4
LT		 1124/*
1125 * On ix86 platforms touching the i8042 data register region can do really
1126 * bad things. Because of this the region is always reserved on ix86 boxes.
1127 *
1128 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
8d5987a6 1129 * return -EBUSY;
1da177e4
LT		 1130 */
1131
1132 i8042_kbd_irq = I8042_MAP_IRQ(1);
1133 i8042_aux_irq = I8042_MAP_IRQ(12);
1134
8d5987a6
DT		 1135 retval = i8042_pnp_init();
1136 if (retval)
1137 return retval;
1da177e4
LT		 1138
1139#if defined(__ia64__)
930e1924 1140 i8042_reset = I8042_RESET_ALWAYS;
1da177e4
LT		 1141#endif
1142
c3a34f43 1143#ifdef CONFIG_X86
930e1924
MPS		 1144 /* Honor module parameter when value is not default */
1145 if (i8042_reset == I8042_RESET_DEFAULT) {
1146 if (dmi_check_system(i8042_dmi_reset_table))
1147 i8042_reset = I8042_RESET_ALWAYS;
1148
1149 if (dmi_check_system(i8042_dmi_noselftest_table))
1150 i8042_reset = I8042_RESET_NEVER;
1151 }
7c46e236 1152
1da177e4 1153 if (dmi_check_system(i8042_dmi_noloop_table))
386b3849 1154 i8042_noloop = true;
1da177e4 1155
e55a3366
DT		 1156 if (dmi_check_system(i8042_dmi_nomux_table))
1157 i8042_nomux = true;
1da177e4 1158
f8313ef1
JK		 1159 if (dmi_check_system(i8042_dmi_notimeout_table))
1160 i8042_notimeout = true;
1161
8987fec0 1162 if (dmi_check_system(i8042_dmi_dritek_table))
386b3849 1163 i8042_dritek = true;
ad686524 1164
148e9a71
SV		 1165 if (dmi_check_system(i8042_dmi_kbdreset_table))
1166 i8042_kbdreset = true;
1167
ad686524
OZ		 1168 /*
1169 * A20 was already enabled during early kernel init. But some buggy
1170 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1171 * resume from S3. So we do it here and hope that nothing breaks.
1172 */
1173 i8042_command(&a20_on, 0x10d1);
1174 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
8987fec0
CC		 1175#endif /* CONFIG_X86 */
1176
8d5987a6 1177 return retval;
1da177e4
LT		 1178}
1179
1180static inline void i8042_platform_exit(void)
1181{
1da177e4 1182 i8042_pnp_exit();
1da177e4
LT		 1183}
1184
1185#endif /* _I8042_X86IA64IO_H */