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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec...
[linux-2.6-block.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 },
6020bafc 122 {
f909b1df 123 /* OQO Model 01 */
6020bafc
BC		 124 .matches = {
125 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
126 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
127 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
128 },
129 },
8c4df74e 130 {
f909b1df 131 /* ULI EV4873 - AUX LOOP does not work properly */
8c4df74e
DT		 132 .matches = {
133 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
134 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
135 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
136 },
137 },
8bf4215e 138 {
f909b1df 139 /* Microsoft Virtual Machine */
8bf4215e
JK		 140 .matches = {
141 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
142 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
143 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
144 },
145 },
89cdb8ce 146 {
f909b1df 147 /* Medion MAM 2070 */
89cdb8ce
DT		 148 .matches = {
149 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
150 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
151 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
152 },
1d90d6d5
JH		 153 },
154 {
155 /* Medion Akoya E7225 */
156 .matches = {
157 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
158 DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
159 DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
160 },
89cdb8ce 161 },
2c6f2cb8 162 {
f909b1df 163 /* Blue FB5601 */
2c6f2cb8
SB		 164 .matches = {
165 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
166 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
167 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
168 },
169 },
a6f66ddf 170 {
f909b1df 171 /* Gigabyte M912 */
a6f66ddf
OÇ		 172 .matches = {
173 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
174 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
175 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
176 },
177 },
a61cd038
DT		 178 {
179 /* Gigabyte M1022M netbook */
180 .matches = {
181 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
182 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
183 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
184 },
185 },
3e1bbc8d
KM		 186 {
187 /* Gigabyte Spring Peak - defines wrong chassis type */
188 .matches = {
189 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
190 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
191 },
192 },
7b125b94
DT		 193 {
194 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
195 .matches = {
196 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
197 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
198 },
199 },
200 {
201 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
202 .matches = {
203 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
204 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
205 },
206 },
59cc1dd9 207 {
59cc1dd9
DT		 208 .matches = {
209 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
210 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
211 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
212 },
213 },
41c567a5
MPS		 214 {
215 .matches = {
216 DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
217 DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
218 },
219 },
1da177e4
LT		 220 { }
221};
222
223/*
e55a3366
DT		 224 * Some Fujitsu notebooks are having trouble with touchpads if
225 * active multiplexing mode is activated. Luckily they don't have
226 * external PS/2 ports so we can safely disable it.
227 * ... apparently some Toshibas don't like MUX mode either and
228 * die horrible death on reboot.
1da177e4 229 */
e55a3366
DT		 230static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
231 {
232 /* Fujitsu Lifebook P7010/P7010D */
233 .matches = {
234 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
235 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
236 },
237 },
238 {
239 /* Fujitsu Lifebook P7010 */
240 .matches = {
241 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
243 },
244 },
245 {
246 /* Fujitsu Lifebook P5020D */
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
250 },
251 },
252 {
253 /* Fujitsu Lifebook S2000 */
254 .matches = {
255 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
257 },
258 },
259 {
260 /* Fujitsu Lifebook S6230 */
261 .matches = {
262 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
264 },
265 },
dd0d0d4d
AF		 266 {
267 /* Fujitsu Lifebook U745 */
268 .matches = {
269 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
271 },
272 },
e55a3366
DT		 273 {
274 /* Fujitsu T70H */
275 .matches = {
276 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
277 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
278 },
279 },
280 {
281 /* Fujitsu-Siemens Lifebook T3010 */
282 .matches = {
283 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
284 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
285 },
286 },
287 {
288 /* Fujitsu-Siemens Lifebook E4010 */
289 .matches = {
290 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
291 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
292 },
293 },
294 {
295 /* Fujitsu-Siemens Amilo Pro 2010 */
296 .matches = {
297 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
298 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
299 },
300 },
301 {
302 /* Fujitsu-Siemens Amilo Pro 2030 */
303 .matches = {
304 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
305 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
306 },
307 },
308 {
309 /*
310 * No data is coming from the touchscreen unless KBC
311 * is in legacy mode.
312 */
313 /* Panasonic CF-29 */
314 .matches = {
315 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
316 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
317 },
318 },
319 {
320 /*
321 * HP Pavilion DV4017EA -
322 * errors on MUX ports are reported without raising AUXDATA
323 * causing "spurious NAK" messages.
324 */
325 .matches = {
326 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
327 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
328 },
329 },
330 {
331 /*
332 * HP Pavilion ZT1000 -
333 * like DV4017EA does not raise AUXERR for errors on MUX ports.
334 */
335 .matches = {
336 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
337 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
338 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
339 },
340 },
749aea73
EP		 341 {
342 /*
e55a3366
DT		 343 * HP Pavilion DV4270ca -
344 * like DV4017EA does not raise AUXERR for errors on MUX ports.
749aea73 345 */
749aea73 346 .matches = {
e55a3366
DT		 347 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
348 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
349 },
350 },
351 {
352 .matches = {
353 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
354 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
355 },
356 },
357 {
358 .matches = {
359 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
360 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
361 },
362 },
363 {
364 .matches = {
365 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
366 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
367 },
368 },
369 {
370 .matches = {
371 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
372 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
373 },
374 },
375 {
376 /* Sharp Actius MM20 */
377 .matches = {
378 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
379 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
380 },
381 },
382 {
383 /* Sony Vaio FS-115b */
384 .matches = {
385 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
386 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
387 },
388 },
389 {
390 /*
391 * Sony Vaio FZ-240E -
392 * reset and GET ID commands issued via KBD port are
393 * sometimes being delivered to AUX3.
394 */
395 .matches = {
396 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
397 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
398 },
399 },
400 {
401 /*
402 * Most (all?) VAIOs do not have external PS/2 ports nor
403 * they implement active multiplexing properly, and
404 * MUX discovery usually messes up keyboard/touchpad.
405 */
406 .matches = {
407 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
408 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
409 },
410 },
411 {
412 /* Amoi M636/A737 */
413 .matches = {
414 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
415 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
416 },
417 },
418 {
419 /* Lenovo 3000 n100 */
420 .matches = {
421 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
422 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
423 },
424 },
425 {
426 .matches = {
427 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
428 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
429 },
430 },
431 {
432 /* Acer Aspire 5710 */
433 .matches = {
434 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
435 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
436 },
437 },
9333caea
DT		 438 {
439 /* Acer Aspire 7738 */
440 .matches = {
441 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
442 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
443 },
444 },
e55a3366
DT		 445 {
446 /* Gericom Bellagio */
447 .matches = {
448 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
449 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
450 },
451 },
452 {
453 /* IBM 2656 */
454 .matches = {
455 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
456 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
457 },
458 },
459 {
460 /* Dell XPS M1530 */
461 .matches = {
462 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
463 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
464 },
465 },
466 {
467 /* Compal HEL80I */
468 .matches = {
469 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
470 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
471 },
472 },
473 {
474 /* Dell Vostro 1510 */
475 .matches = {
476 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
477 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
478 },
479 },
480 {
481 /* Acer Aspire 5536 */
482 .matches = {
483 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
484 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
485 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
486 },
487 },
488 {
489 /* Dell Vostro V13 */
490 .matches = {
491 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
492 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
493 },
494 },
495 {
496 /* Newer HP Pavilion dv4 models */
497 .matches = {
498 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
499 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
500 },
501 },
502 {
503 /* Asus X450LCP */
504 .matches = {
505 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
506 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
507 },
508 },
509 {
510 /* Avatar AVIU-145A6 */
511 .matches = {
512 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
513 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
d2682118
HG		 514 },
515 },
1da177e4
LT		 516 { }
517};
518
930e1924
MPS		 519/*
520 * On some Asus laptops, just running self tests cause problems.
521 */
522static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
523 {
524 .matches = {
525 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
77b42539 526 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
930e1924
MPS		 527 },
528 },
529 { }
530};
f909b1df 531static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
7c46e236 532 {
f909b1df 533 /* MSI Wind U-100 */
7c46e236
AV		 534 .matches = {
535 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
536 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
537 },
538 },
539 {
f909b1df 540 /* LG Electronics X110 */
7c46e236
AV		 541 .matches = {
542 DMI_MATCH(DMI_BOARD_NAME, "X110"),
543 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
544 },
545 },
9230ccb1 546 {
f909b1df 547 /* Acer Aspire One 150 */
9230ccb1
YL		 548 .matches = {
549 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
550 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
551 },
552 },
553 {
f909b1df 554 /* Advent 4211 */
9230ccb1
YL		 555 .matches = {
556 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
557 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
558 },
559 },
560 {
f909b1df 561 /* Medion Akoya Mini E1210 */
9230ccb1
YL		 562 .matches = {
563 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
564 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
565 },
566 },
31968ecf
CF		 567 {
568 /* Medion Akoya E1222 */
569 .matches = {
570 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
571 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
572 },
573 },
9230ccb1 574 {
f909b1df 575 /* Mivvy M310 */
9230ccb1
YL		 576 .matches = {
577 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
578 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
579 },
580 },
049e2d13 581 {
f909b1df 582 /* Dell Vostro 1320 */
049e2d13
AA		 583 .matches = {
584 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
585 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
586 },
587 },
588 {
f909b1df 589 /* Dell Vostro 1520 */
049e2d13
AA		 590 .matches = {
591 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
592 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
593 },
594 },
595 {
f909b1df 596 /* Dell Vostro 1720 */
049e2d13
AA		 597 .matches = {
598 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
599 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
600 },
601 },
82b982c9
IM		 602 {
603 /* Lenovo Ideapad U455 */
604 .matches = {
605 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
606 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
607 },
608 },
7c46e236
AV		 609 { }
610};
611
c3a34f43 612#ifdef CONFIG_PNP
f909b1df 613static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
c3a34f43 614 {
f909b1df 615 /* Intel MBO Desktop D845PESV */
c3a34f43
JK		 616 .matches = {
617 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
618 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
619 },
620 },
8195077c
TM		 621 {
622 /*
623 * Intel NUC D54250WYK - does not have i8042 controller but
624 * declares PS/2 devices in DSDT.
625 */
626 .matches = {
627 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
628 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
629 },
630 },
7c46e236 631 {
f909b1df 632 /* MSI Wind U-100 */
7c46e236
AV		 633 .matches = {
634 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
635 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
636 },
637 },
c3a34f43
JK		 638 { }
639};
1c7827ae 640
f909b1df 641static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
1c7827ae 642 {
1c7827ae
DT		 643 .matches = {
644 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
645 },
646 },
647 {
1c7827ae
DT		 648 .matches = {
649 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
650 },
651 },
652 {
1c7827ae
DT		 653 .matches = {
654 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
655 },
656 },
657 {
1c7827ae
DT		 658 .matches = {
659 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
660 },
661 },
662 { }
663};
1da177e4
LT		 664#endif
665
f8313ef1
JK		 666static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
667 {
668 /* Dell Vostro V13 */
669 .matches = {
670 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
671 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
672 },
673 },
b42c9097
TM		 674 {
675 /* Newer HP Pavilion dv4 models */
676 .matches = {
677 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
678 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
679 },
680 },
993b3a3f
HG		 681 {
682 /* Fujitsu A544 laptop */
683 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
684 .matches = {
685 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
686 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
687 },
688 },
689 {
690 /* Fujitsu AH544 laptop */
691 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
692 .matches = {
693 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
694 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
695 },
696 },
cc18a69c
HG		 697 {
698 /* Fujitsu U574 laptop */
699 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
700 .matches = {
701 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
702 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
703 },
704 },
f8313ef1
JK		 705 { }
706};
707
8987fec0
CC		 708/*
709 * Some Wistron based laptops need us to explicitly enable the 'Dritek
710 * keyboard extension' to make their extra keys start generating scancodes.
711 * Originally, this was just confined to older laptops, but a few Acer laptops
712 * have turned up in 2007 that also need this again.
713 */
f909b1df 714static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
a06a09c8
PR		 715 {
716 /* Acer Aspire 5100 */
717 .matches = {
718 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
719 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
720 },
721 },
e6edbdc5
ESA		 722 {
723 /* Acer Aspire 5610 */
724 .matches = {
725 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
726 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
727 },
728 },
8987fec0 729 {
f909b1df 730 /* Acer Aspire 5630 */
8987fec0
CC		 731 .matches = {
732 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
733 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
734 },
735 },
736 {
f909b1df 737 /* Acer Aspire 5650 */
8987fec0
CC		 738 .matches = {
739 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
740 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
741 },
742 },
743 {
f909b1df 744 /* Acer Aspire 5680 */
8987fec0
CC		 745 .matches = {
746 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
747 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
748 },
749 },
0e7e92fa 750 {
f909b1df 751 /* Acer Aspire 5720 */
0e7e92fa
CC		 752 .matches = {
753 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
754 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
755 },
756 },
5799ddb5 757 {
f909b1df 758 /* Acer Aspire 9110 */
5799ddb5
CC		 759 .matches = {
760 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
761 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
762 },
763 },
65e660aa 764 {
f909b1df 765 /* Acer TravelMate 660 */
65e660aa
BP		 766 .matches = {
767 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
768 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
769 },
770 },
8987fec0 771 {
f909b1df 772 /* Acer TravelMate 2490 */
8987fec0
CC		 773 .matches = {
774 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
775 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
776 },
777 },
8e4ae101 778 {
f909b1df 779 /* Acer TravelMate 4280 */
8e4ae101
CC		 780 .matches = {
781 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
782 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
783 },
784 },
8987fec0
CC		 785 { }
786};
787
148e9a71
SV		 788/*
789 * Some laptops need keyboard reset before probing for the trackpad to get
790 * it detected, initialised & finally work.
791 */
792static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
793 {
794 /* Gigabyte P35 v2 - Elantech touchpad */
795 .matches = {
796 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
797 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
798 },
799 },
800 {
801 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
802 .matches = {
803 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
804 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
805 },
806 },
807 {
808 /* Gigabyte P34 - Elantech touchpad */
809 .matches = {
810 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
811 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
812 },
813 },
da25311c
PS		 814 {
815 /* Schenker XMG C504 - Elantech touchpad */
816 .matches = {
817 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
818 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
819 },
820 },
148e9a71
SV		 821 { }
822};
823
8987fec0
CC		 824#endif /* CONFIG_X86 */
825
1da177e4
LT		 826#ifdef CONFIG_PNP
827#include <linux/pnp.h>
828
386b3849 829static bool i8042_pnp_kbd_registered;
2bfc3c6e 830static unsigned int i8042_pnp_kbd_devices;
386b3849 831static bool i8042_pnp_aux_registered;
2bfc3c6e 832static unsigned int i8042_pnp_aux_devices;
1da177e4
LT		 833
834static int i8042_pnp_command_reg;
835static int i8042_pnp_data_reg;
836static int i8042_pnp_kbd_irq;
837static int i8042_pnp_aux_irq;
838
839static char i8042_pnp_kbd_name[32];
840static char i8042_pnp_aux_name[32];
841
a7c5868c
HG		 842static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
843{
844 strlcpy(dst, "PNP:", dst_size);
845
846 while (id) {
847 strlcat(dst, " ", dst_size);
848 strlcat(dst, id->id, dst_size);
849 id = id->next;
850 }
851}
852
1da177e4
LT		 853static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
854{
855 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
856 i8042_pnp_data_reg = pnp_port_start(dev,0);
857
858 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
859 i8042_pnp_command_reg = pnp_port_start(dev, 1);
860
861 if (pnp_irq_valid(dev,0))
862 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
863
8c6deb9c 864 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1da177e4 865 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 866 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
867 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1da177e4 868 }
a7c5868c
HG		 869 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
870 sizeof(i8042_kbd_firmware_id));
1da177e4 871
3e6e15a8
AS		 872 /* Keyboard ports are always supposed to be wakeup-enabled */
873 device_set_wakeup_enable(&dev->dev, true);
874
2bfc3c6e 875 i8042_pnp_kbd_devices++;
1da177e4
LT		 876 return 0;
877}
878
879static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
880{
881 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
882 i8042_pnp_data_reg = pnp_port_start(dev,0);
883
884 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
885 i8042_pnp_command_reg = pnp_port_start(dev, 1);
886
887 if (pnp_irq_valid(dev, 0))
888 i8042_pnp_aux_irq = pnp_irq(dev, 0);
889
8c6deb9c 890 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1da177e4 891 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 892 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
893 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1da177e4 894 }
a7c5868c
HG		 895 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
896 sizeof(i8042_aux_firmware_id));
1da177e4 897
2bfc3c6e 898 i8042_pnp_aux_devices++;
1da177e4
LT		 899 return 0;
900}
901
902static struct pnp_device_id pnp_kbd_devids[] = {
09fac079
MG		 903 { .id = "PNP0300", .driver_data = 0 },
904 { .id = "PNP0301", .driver_data = 0 },
905 { .id = "PNP0302", .driver_data = 0 },
1da177e4 906 { .id = "PNP0303", .driver_data = 0 },
09fac079
MG		 907 { .id = "PNP0304", .driver_data = 0 },
908 { .id = "PNP0305", .driver_data = 0 },
909 { .id = "PNP0306", .driver_data = 0 },
910 { .id = "PNP0309", .driver_data = 0 },
911 { .id = "PNP030a", .driver_data = 0 },
1da177e4 912 { .id = "PNP030b", .driver_data = 0 },
09fac079
MG		 913 { .id = "PNP0320", .driver_data = 0 },
914 { .id = "PNP0343", .driver_data = 0 },
915 { .id = "PNP0344", .driver_data = 0 },
916 { .id = "PNP0345", .driver_data = 0 },
917 { .id = "CPQA0D7", .driver_data = 0 },
1da177e4
LT		 918 { .id = "", },
919};
78551277 920MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1da177e4
LT		 921
922static struct pnp_driver i8042_pnp_kbd_driver = {
923 .name = "i8042 kbd",
924 .id_table = pnp_kbd_devids,
925 .probe = i8042_pnp_kbd_probe,
926};
927
928static struct pnp_device_id pnp_aux_devids[] = {
dba06b83 929 { .id = "AUI0200", .driver_data = 0 },
b9973954
DT		 930 { .id = "FJC6000", .driver_data = 0 },
931 { .id = "FJC6001", .driver_data = 0 },
1da177e4
LT		 932 { .id = "PNP0f03", .driver_data = 0 },
933 { .id = "PNP0f0b", .driver_data = 0 },
934 { .id = "PNP0f0e", .driver_data = 0 },
935 { .id = "PNP0f12", .driver_data = 0 },
936 { .id = "PNP0f13", .driver_data = 0 },
937 { .id = "PNP0f19", .driver_data = 0 },
938 { .id = "PNP0f1c", .driver_data = 0 },
939 { .id = "SYN0801", .driver_data = 0 },
940 { .id = "", },
941};
78551277 942MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1da177e4
LT		 943
944static struct pnp_driver i8042_pnp_aux_driver = {
945 .name = "i8042 aux",
946 .id_table = pnp_aux_devids,
947 .probe = i8042_pnp_aux_probe,
948};
949
950static void i8042_pnp_exit(void)
951{
74af42bb 952 if (i8042_pnp_kbd_registered) {
386b3849 953 i8042_pnp_kbd_registered = false;
1da177e4 954 pnp_unregister_driver(&i8042_pnp_kbd_driver);
74af42bb 955 }
1da177e4 956
74af42bb 957 if (i8042_pnp_aux_registered) {
386b3849 958 i8042_pnp_aux_registered = false;
1da177e4 959 pnp_unregister_driver(&i8042_pnp_aux_driver);
74af42bb 960 }
1da177e4
LT		 961}
962
8d5987a6 963static int __init i8042_pnp_init(void)
1da177e4 964{
c3d31e7f 965 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
7dcc9c23 966 bool pnp_data_busted = false;
2bfc3c6e 967 int err;
1da177e4 968
c3a34f43
JK		 969#ifdef CONFIG_X86
970 if (dmi_check_system(i8042_dmi_nopnp_table))
386b3849 971 i8042_nopnp = true;
c3a34f43
JK		 972#endif
973
1da177e4 974 if (i8042_nopnp) {
4eb3c30b 975 pr_info("PNP detection disabled\n");
1da177e4
LT		 976 return 0;
977 }
978
2bfc3c6e
BH		 979 err = pnp_register_driver(&i8042_pnp_kbd_driver);
980 if (!err)
386b3849 981 i8042_pnp_kbd_registered = true;
c3d31e7f 982
2bfc3c6e
BH		 983 err = pnp_register_driver(&i8042_pnp_aux_driver);
984 if (!err)
386b3849 985 i8042_pnp_aux_registered = true;
1da177e4 986
2bfc3c6e 987 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1da177e4
LT		 988 i8042_pnp_exit();
989#if defined(__ia64__)
990 return -ENODEV;
991#else
d79e141c
DT		 992 pr_info("PNP: No PS/2 controller found.\n");
993 if (x86_platform.legacy.i8042 !=
994 X86_LEGACY_I8042_EXPECTED_PRESENT)
995 return -ENODEV;
996 pr_info("Probing ports directly.\n");
1da177e4
LT		 997 return 0;
998#endif
999 }
1000
2bfc3c6e 1001 if (i8042_pnp_kbd_devices)
c3d31e7f
DT		 1002 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1003 "%d", i8042_pnp_kbd_irq);
2bfc3c6e 1004 if (i8042_pnp_aux_devices)
c3d31e7f
DT		 1005 snprintf(aux_irq_str, sizeof(aux_irq_str),
1006 "%d", i8042_pnp_aux_irq);
1007
4eb3c30b 1008 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
2bfc3c6e 1009 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 1010 i8042_pnp_aux_name,
1011 i8042_pnp_data_reg, i8042_pnp_command_reg,
2bfc3c6e 1012 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 1013 aux_irq_str);
1014
1015#if defined(__ia64__)
2bfc3c6e 1016 if (!i8042_pnp_kbd_devices)
386b3849 1017 i8042_nokbd = true;
2bfc3c6e 1018 if (!i8042_pnp_aux_devices)
386b3849 1019 i8042_noaux = true;
c3d31e7f
DT		 1020#endif
1021
1da177e4 1022 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
080c652d
DT		 1023 i8042_pnp_data_reg != i8042_data_reg) ||
1024 !i8042_pnp_data_reg) {
4eb3c30b 1025 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1da177e4
LT		 1026 i8042_pnp_data_reg, i8042_data_reg);
1027 i8042_pnp_data_reg = i8042_data_reg;
386b3849 1028 pnp_data_busted = true;
1da177e4
LT		 1029 }
1030
1031 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
080c652d
DT		 1032 i8042_pnp_command_reg != i8042_command_reg) ||
1033 !i8042_pnp_command_reg) {
4eb3c30b 1034 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1da177e4
LT		 1035 i8042_pnp_command_reg, i8042_command_reg);
1036 i8042_pnp_command_reg = i8042_command_reg;
386b3849 1037 pnp_data_busted = true;
1da177e4
LT		 1038 }
1039
945ef0d4 1040 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
4eb3c30b
JP		 1041 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1042 i8042_kbd_irq);
1da177e4 1043 i8042_pnp_kbd_irq = i8042_kbd_irq;
386b3849 1044 pnp_data_busted = true;
1da177e4
LT		 1045 }
1046
c3d31e7f 1047 if (!i8042_noaux && !i8042_pnp_aux_irq) {
080c652d 1048 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
4eb3c30b
JP		 1049 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1050 "if this is incorrect please boot with i8042.nopnp\n");
386b3849 1051 i8042_noaux = true;
080c652d 1052 } else {
4eb3c30b
JP		 1053 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1054 i8042_aux_irq);
080c652d
DT		 1055 i8042_pnp_aux_irq = i8042_aux_irq;
1056 }
1da177e4
LT		 1057 }
1058
1da177e4
LT		 1059 i8042_data_reg = i8042_pnp_data_reg;
1060 i8042_command_reg = i8042_pnp_command_reg;
1061 i8042_kbd_irq = i8042_pnp_kbd_irq;
1062 i8042_aux_irq = i8042_pnp_aux_irq;
1063
1c7827ae
DT		 1064#ifdef CONFIG_X86
1065 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1066 dmi_check_system(i8042_dmi_laptop_table);
1067#endif
1068
1da177e4
LT		 1069 return 0;
1070}
1071
4d46f014 1072#else /* !CONFIG_PNP */
8d5987a6
DT		 1073static inline int i8042_pnp_init(void) { return 0; }
1074static inline void i8042_pnp_exit(void) { }
4d46f014 1075#endif /* CONFIG_PNP */
1da177e4 1076
8d5987a6 1077static int __init i8042_platform_init(void)
1da177e4 1078{
8d5987a6
DT		 1079 int retval;
1080
5cdfa1c3 1081#ifdef CONFIG_X86
ad686524 1082 u8 a20_on = 0xdf;
d79e141c
DT		 1083 /* Just return if platform does not have i8042 controller */
1084 if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
5cdfa1c3
FT		 1085 return -ENODEV;
1086#endif
1087
1da177e4
LT		 1088/*
1089 * On ix86 platforms touching the i8042 data register region can do really
1090 * bad things. Because of this the region is always reserved on ix86 boxes.
1091 *
1092 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
8d5987a6 1093 * return -EBUSY;
1da177e4
LT		 1094 */
1095
1096 i8042_kbd_irq = I8042_MAP_IRQ(1);
1097 i8042_aux_irq = I8042_MAP_IRQ(12);
1098
8d5987a6
DT		 1099 retval = i8042_pnp_init();
1100 if (retval)
1101 return retval;
1da177e4
LT		 1102
1103#if defined(__ia64__)
930e1924 1104 i8042_reset = I8042_RESET_ALWAYS;
1da177e4
LT		 1105#endif
1106
c3a34f43 1107#ifdef CONFIG_X86
930e1924
MPS		 1108 /* Honor module parameter when value is not default */
1109 if (i8042_reset == I8042_RESET_DEFAULT) {
1110 if (dmi_check_system(i8042_dmi_reset_table))
1111 i8042_reset = I8042_RESET_ALWAYS;
1112
1113 if (dmi_check_system(i8042_dmi_noselftest_table))
1114 i8042_reset = I8042_RESET_NEVER;
1115 }
7c46e236 1116
1da177e4 1117 if (dmi_check_system(i8042_dmi_noloop_table))
386b3849 1118 i8042_noloop = true;
1da177e4 1119
e55a3366
DT		 1120 if (dmi_check_system(i8042_dmi_nomux_table))
1121 i8042_nomux = true;
1da177e4 1122
f8313ef1
JK		 1123 if (dmi_check_system(i8042_dmi_notimeout_table))
1124 i8042_notimeout = true;
1125
8987fec0 1126 if (dmi_check_system(i8042_dmi_dritek_table))
386b3849 1127 i8042_dritek = true;
ad686524 1128
148e9a71
SV		 1129 if (dmi_check_system(i8042_dmi_kbdreset_table))
1130 i8042_kbdreset = true;
1131
ad686524
OZ		 1132 /*
1133 * A20 was already enabled during early kernel init. But some buggy
1134 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1135 * resume from S3. So we do it here and hope that nothing breaks.
1136 */
1137 i8042_command(&a20_on, 0x10d1);
1138 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
8987fec0
CC		 1139#endif /* CONFIG_X86 */
1140
8d5987a6 1141 return retval;
1da177e4
LT		 1142}
1143
1144static inline void i8042_platform_exit(void)
1145{
1da177e4 1146 i8042_pnp_exit();
1da177e4
LT		 1147}
1148
1149#endif /* _I8042_X86IA64IO_H */
Linux 6.x block layer and io_uring tree(s)