1/* SPDX-License-Identifier: GPL-2.0-only */
2#ifndef _I8042_ACPIPNPIO_H
3#define _I8042_ACPIPNPIO_H
4
5#include <linux/acpi.h>
6
7#ifdef CONFIG_X86
8#include <asm/x86_init.h>
9#endif
10
11/*
12 * Names.
13 */
14
15#define I8042_KBD_PHYS_DESC "isa0060/serio0"
16#define I8042_AUX_PHYS_DESC "isa0060/serio1"
17#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
18
19/*
20 * IRQs.
21 */
22
23#if defined(__ia64__)
24# define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
25#else
26# define I8042_MAP_IRQ(x) (x)
27#endif
28
29#define I8042_KBD_IRQ i8042_kbd_irq
30#define I8042_AUX_IRQ i8042_aux_irq
31
32static int i8042_kbd_irq;
33static int i8042_aux_irq;
34
35/*
36 * Register numbers.
37 */
38
39#define I8042_COMMAND_REG i8042_command_reg
40#define I8042_STATUS_REG i8042_command_reg
41#define I8042_DATA_REG i8042_data_reg
42
43static int i8042_command_reg = 0x64;
44static int i8042_data_reg = 0x60;
45
46
47static inline int i8042_read_data(void)
48{
49 return inb(I8042_DATA_REG);
50}
51
52static inline int i8042_read_status(void)
53{
54 return inb(I8042_STATUS_REG);
55}
56
57static inline void i8042_write_data(int val)
58{
59 outb(value: val, I8042_DATA_REG);
60}
61
62static inline void i8042_write_command(int val)
63{
64 outb(value: val, I8042_COMMAND_REG);
65}
66
67#ifdef CONFIG_X86
68
69#include <linux/dmi.h>
70
71#define SERIO_QUIRK_NOKBD BIT(0)
72#define SERIO_QUIRK_NOAUX BIT(1)
73#define SERIO_QUIRK_NOMUX BIT(2)
74#define SERIO_QUIRK_FORCEMUX BIT(3)
75#define SERIO_QUIRK_UNLOCK BIT(4)
76#define SERIO_QUIRK_PROBE_DEFER BIT(5)
77#define SERIO_QUIRK_RESET_ALWAYS BIT(6)
78#define SERIO_QUIRK_RESET_NEVER BIT(7)
79#define SERIO_QUIRK_DIECT BIT(8)
80#define SERIO_QUIRK_DUMBKBD BIT(9)
81#define SERIO_QUIRK_NOLOOP BIT(10)
82#define SERIO_QUIRK_NOTIMEOUT BIT(11)
83#define SERIO_QUIRK_KBDRESET BIT(12)
84#define SERIO_QUIRK_DRITEK BIT(13)
85#define SERIO_QUIRK_NOPNP BIT(14)
86
87/* Quirk table for different mainboards. Options similar or identical to i8042
88 * module parameters.
89 * ORDERING IS IMPORTANT! The first match will be apllied and the rest ignored.
90 * This allows entries to overwrite vendor wide quirks on a per device basis.
91 * Where this is irrelevant, entries are sorted case sensitive by DMI_SYS_VENDOR
92 * and/or DMI_BOARD_VENDOR to make it easier to avoid dublicate entries.
93 */
94static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
95 {
96 .matches = {
97 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
98 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
99 },
100 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
101 },
102 {
103 .matches = {
104 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
105 DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
106 },
107 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
108 },
109 {
110 /* Asus X450LCP */
111 .matches = {
112 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
113 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
114 },
115 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_NEVER)
116 },
117 {
118 /* ASUS ZenBook UX425UA/QA */
119 .matches = {
120 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
121 DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425"),
122 },
123 .driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
124 },
125 {
126 /* ASUS ZenBook UM325UA/QA */
127 .matches = {
128 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
129 DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325"),
130 },
131 .driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
132 },
133 /*
134 * On some Asus laptops, just running self tests cause problems.
135 */
136 {
137 .matches = {
138 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
139 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
140 },
141 .driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
142 },
143 {
144 .matches = {
145 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
146 DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
147 },
148 .driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
149 },
150 {
151 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
152 .matches = {
153 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
154 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
155 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
156 },
157 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
158 },
159 {
160 /* ASUS G1S */
161 .matches = {
162 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
163 DMI_MATCH(DMI_BOARD_NAME, "G1S"),
164 DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
165 },
166 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
167 },
168 {
169 .matches = {
170 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
171 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
172 },
173 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
174 },
175 {
176 /* Acer Aspire 5710 */
177 .matches = {
178 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
179 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
180 },
181 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
182 },
183 {
184 /* Acer Aspire 7738 */
185 .matches = {
186 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
187 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
188 },
189 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
190 },
191 {
192 /* Acer Aspire 5536 */
193 .matches = {
194 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
195 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
196 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
197 },
198 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
199 },
200 {
201 /*
202 * Acer Aspire 5738z
203 * Touchpad stops working in mux mode when dis- + re-enabled
204 * with the touchpad enable/disable toggle hotkey
205 */
206 .matches = {
207 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
208 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
209 },
210 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
211 },
212 {
213 /* Acer Aspire One 150 */
214 .matches = {
215 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
216 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
217 },
218 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
219 },
220 {
221 /* Acer Aspire One 532h */
222 .matches = {
223 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
224 DMI_MATCH(DMI_PRODUCT_NAME, "AO532h"),
225 },
226 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
227 },
228 {
229 .matches = {
230 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
231 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
232 },
233 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
234 },
235 {
236 .matches = {
237 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
238 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
239 },
240 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
241 },
242 {
243 .matches = {
244 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
245 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
246 },
247 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
248 },
249 {
250 .matches = {
251 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
252 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
253 },
254 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
255 },
256 {
257 .matches = {
258 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
259 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
260 },
261 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
262 },
263 {
264 .matches = {
265 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
266 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
267 },
268 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
269 },
270 {
271 .matches = {
272 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
273 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
274 },
275 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
276 },
277 /*
278 * Some Wistron based laptops need us to explicitly enable the 'Dritek
279 * keyboard extension' to make their extra keys start generating scancodes.
280 * Originally, this was just confined to older laptops, but a few Acer laptops
281 * have turned up in 2007 that also need this again.
282 */
283 {
284 /* Acer Aspire 5100 */
285 .matches = {
286 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
287 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
288 },
289 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
290 },
291 {
292 /* Acer Aspire 5610 */
293 .matches = {
294 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
295 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
296 },
297 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
298 },
299 {
300 /* Acer Aspire 5630 */
301 .matches = {
302 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
303 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
304 },
305 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
306 },
307 {
308 /* Acer Aspire 5650 */
309 .matches = {
310 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
311 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
312 },
313 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
314 },
315 {
316 /* Acer Aspire 5680 */
317 .matches = {
318 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
319 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
320 },
321 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
322 },
323 {
324 /* Acer Aspire 5720 */
325 .matches = {
326 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
327 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
328 },
329 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
330 },
331 {
332 /* Acer Aspire 9110 */
333 .matches = {
334 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
335 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
336 },
337 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
338 },
339 {
340 /* Acer TravelMate 660 */
341 .matches = {
342 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
343 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
344 },
345 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
346 },
347 {
348 /* Acer TravelMate 2490 */
349 .matches = {
350 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
351 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
352 },
353 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
354 },
355 {
356 /* Acer TravelMate 4280 */
357 .matches = {
358 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
359 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
360 },
361 .driver_data = (void *)(SERIO_QUIRK_DRITEK)
362 },
363 {
364 /* Acer TravelMate P459-G2-M */
365 .matches = {
366 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
367 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate P459-G2-M"),
368 },
369 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
370 },
371 {
372 /* Amoi M636/A737 */
373 .matches = {
374 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
375 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
376 },
377 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
378 },
379 {
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
382 DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
383 },
384 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
385 },
386 {
387 /* Compal HEL80I */
388 .matches = {
389 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
390 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
391 },
392 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
393 },
394 {
395 .matches = {
396 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
397 DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
398 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
399 },
400 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
401 },
402 {
403 .matches = {
404 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
405 DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
406 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
407 },
408 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
409 },
410 {
411 /* Advent 4211 */
412 .matches = {
413 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
414 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
415 },
416 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
417 },
418 {
419 /* Dell Embedded Box PC 3000 */
420 .matches = {
421 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
422 DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
423 },
424 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
425 },
426 {
427 /* Dell XPS M1530 */
428 .matches = {
429 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
430 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
431 },
432 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
433 },
434 {
435 /* Dell Vostro 1510 */
436 .matches = {
437 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
438 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
439 },
440 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
441 },
442 {
443 /* Dell Vostro V13 */
444 .matches = {
445 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
446 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
447 },
448 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
449 },
450 {
451 /* Dell Vostro 1320 */
452 .matches = {
453 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
454 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
455 },
456 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
457 },
458 {
459 /* Dell Vostro 1520 */
460 .matches = {
461 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
462 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
463 },
464 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
465 },
466 {
467 /* Dell Vostro 1720 */
468 .matches = {
469 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
470 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
471 },
472 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
473 },
474 {
475 /* Entroware Proteus */
476 .matches = {
477 DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
478 DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
479 DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
480 },
481 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS)
482 },
483 /*
484 * Some Fujitsu notebooks are having trouble with touchpads if
485 * active multiplexing mode is activated. Luckily they don't have
486 * external PS/2 ports so we can safely disable it.
487 * ... apparently some Toshibas don't like MUX mode either and
488 * die horrible death on reboot.
489 */
490 {
491 /* Fujitsu Lifebook P7010/P7010D */
492 .matches = {
493 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
494 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
495 },
496 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
497 },
498 {
499 /* Fujitsu Lifebook P5020D */
500 .matches = {
501 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
502 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
503 },
504 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
505 },
506 {
507 /* Fujitsu Lifebook S2000 */
508 .matches = {
509 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
510 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
511 },
512 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
513 },
514 {
515 /* Fujitsu Lifebook S6230 */
516 .matches = {
517 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
518 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
519 },
520 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
521 },
522 {
523 /* Fujitsu Lifebook T725 laptop */
524 .matches = {
525 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
526 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
527 },
528 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
529 },
530 {
531 /* Fujitsu Lifebook U745 */
532 .matches = {
533 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
534 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
535 },
536 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
537 },
538 {
539 /* Fujitsu T70H */
540 .matches = {
541 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
542 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
543 },
544 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
545 },
546 {
547 /* Fujitsu A544 laptop */
548 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
549 .matches = {
550 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
551 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
552 },
553 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
554 },
555 {
556 /* Fujitsu AH544 laptop */
557 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
558 .matches = {
559 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
560 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
561 },
562 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
563 },
564 {
565 /* Fujitsu U574 laptop */
566 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
567 .matches = {
568 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
569 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
570 },
571 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
572 },
573 {
574 /* Fujitsu UH554 laptop */
575 .matches = {
576 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
577 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
578 },
579 .driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
580 },
581 {
582 /* Fujitsu Lifebook P7010 */
583 .matches = {
584 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
585 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
586 },
587 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
588 },
589 {
590 /* Fujitsu-Siemens Lifebook T3010 */
591 .matches = {
592 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
593 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
594 },
595 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
596 },
597 {
598 /* Fujitsu-Siemens Lifebook E4010 */
599 .matches = {
600 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
601 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
602 },
603 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
604 },
605 {
606 /* Fujitsu-Siemens Amilo Pro 2010 */
607 .matches = {
608 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
609 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
610 },
611 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
612 },
613 {
614 /* Fujitsu-Siemens Amilo Pro 2030 */
615 .matches = {
616 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
617 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
618 },
619 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
620 },
621 {
622 /* Fujitsu Lifebook A574/H */
623 .matches = {
624 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
625 DMI_MATCH(DMI_PRODUCT_NAME, "FMVA0501PZ"),
626 },
627 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
628 },
629 {
630 /* Fujitsu Lifebook E5411 */
631 .matches = {
632 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU CLIENT COMPUTING LIMITED"),
633 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E5411"),
634 },
635 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
636 },
637 {
638 /* Fujitsu Lifebook U728 */
639 .matches = {
640 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
641 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U728"),
642 },
643 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
644 },
645 {
646 /* Gigabyte M912 */
647 .matches = {
648 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
649 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
650 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
651 },
652 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
653 },
654 {
655 /* Gigabyte Spring Peak - defines wrong chassis type */
656 .matches = {
657 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
658 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
659 },
660 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
661 },
662 {
663 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
664 .matches = {
665 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
666 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
667 },
668 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
669 },
670 {
671 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
672 .matches = {
673 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
674 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
675 },
676 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
677 },
678 /*
679 * Some laptops need keyboard reset before probing for the trackpad to get
680 * it detected, initialised & finally work.
681 */
682 {
683 /* Gigabyte P35 v2 - Elantech touchpad */
684 .matches = {
685 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
686 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
687 },
688 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
689 },
690 {
691 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
692 .matches = {
693 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
694 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
695 },
696 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
697 },
698 {
699 /* Gigabyte P34 - Elantech touchpad */
700 .matches = {
701 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
702 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
703 },
704 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
705 },
706 {
707 /* Gigabyte P57 - Elantech touchpad */
708 .matches = {
709 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
710 DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
711 },
712 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
713 },
714 {
715 /* Gericom Bellagio */
716 .matches = {
717 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
718 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
719 },
720 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
721 },
722 {
723 /* Gigabyte M1022M netbook */
724 .matches = {
725 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
726 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
727 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
728 },
729 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
730 },
731 {
732 .matches = {
733 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
734 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
735 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
736 },
737 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
738 },
739 {
740 /*
741 * HP Pavilion DV4017EA -
742 * errors on MUX ports are reported without raising AUXDATA
743 * causing "spurious NAK" messages.
744 */
745 .matches = {
746 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
747 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
748 },
749 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
750 },
751 {
752 /*
753 * HP Pavilion ZT1000 -
754 * like DV4017EA does not raise AUXERR for errors on MUX ports.
755 */
756 .matches = {
757 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
758 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
759 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
760 },
761 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
762 },
763 {
764 /*
765 * HP Pavilion DV4270ca -
766 * like DV4017EA does not raise AUXERR for errors on MUX ports.
767 */
768 .matches = {
769 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
770 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
771 },
772 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
773 },
774 {
775 /* Newer HP Pavilion dv4 models */
776 .matches = {
777 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
778 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
779 },
780 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
781 },
782 {
783 /* IBM 2656 */
784 .matches = {
785 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
786 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
787 },
788 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
789 },
790 {
791 /* Avatar AVIU-145A6 */
792 .matches = {
793 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
794 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
795 },
796 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
797 },
798 {
799 /* Intel MBO Desktop D845PESV */
800 .matches = {
801 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
802 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
803 },
804 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
805 },
806 {
807 /*
808 * Intel NUC D54250WYK - does not have i8042 controller but
809 * declares PS/2 devices in DSDT.
810 */
811 .matches = {
812 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
813 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
814 },
815 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
816 },
817 {
818 /* Lenovo 3000 n100 */
819 .matches = {
820 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
821 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
822 },
823 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
824 },
825 {
826 /* Lenovo XiaoXin Air 12 */
827 .matches = {
828 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
829 DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
830 },
831 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
832 },
833 {
834 /* Lenovo LaVie Z */
835 .matches = {
836 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
837 DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
838 },
839 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
840 },
841 {
842 /* Lenovo Ideapad U455 */
843 .matches = {
844 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
845 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
846 },
847 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
848 },
849 {
850 /* Lenovo ThinkPad L460 */
851 .matches = {
852 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
853 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
854 },
855 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
856 },
857 {
858 /* Lenovo ThinkPad Twist S230u */
859 .matches = {
860 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
861 DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
862 },
863 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
864 },
865 {
866 /* LG Electronics X110 */
867 .matches = {
868 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
869 DMI_MATCH(DMI_BOARD_NAME, "X110"),
870 },
871 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
872 },
873 {
874 /* Medion Akoya Mini E1210 */
875 .matches = {
876 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
877 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
878 },
879 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
880 },
881 {
882 /* Medion Akoya E1222 */
883 .matches = {
884 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
885 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
886 },
887 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
888 },
889 {
890 /* MSI Wind U-100 */
891 .matches = {
892 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
893 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
894 },
895 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOPNP)
896 },
897 {
898 /*
899 * No data is coming from the touchscreen unless KBC
900 * is in legacy mode.
901 */
902 /* Panasonic CF-29 */
903 .matches = {
904 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
905 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
906 },
907 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
908 },
909 {
910 /* Medion Akoya E7225 */
911 .matches = {
912 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
913 DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
914 DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
915 },
916 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
917 },
918 {
919 /* Microsoft Virtual Machine */
920 .matches = {
921 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
922 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
923 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
924 },
925 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
926 },
927 {
928 /* Medion MAM 2070 */
929 .matches = {
930 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
931 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
932 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
933 },
934 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
935 },
936 {
937 /* TUXEDO BU1406 */
938 .matches = {
939 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
940 DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
941 },
942 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
943 },
944 {
945 /* OQO Model 01 */
946 .matches = {
947 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
948 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
949 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
950 },
951 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
952 },
953 {
954 .matches = {
955 DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
956 DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
957 },
958 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
959 },
960 {
961 /* Acer Aspire 5 A515 */
962 .matches = {
963 DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
964 DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
965 },
966 .driver_data = (void *)(SERIO_QUIRK_NOPNP)
967 },
968 {
969 /* ULI EV4873 - AUX LOOP does not work properly */
970 .matches = {
971 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
972 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
973 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
974 },
975 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
976 },
977 {
978 /*
979 * Arima-Rioworks HDAMB -
980 * AUX LOOP command does not raise AUX IRQ
981 */
982 .matches = {
983 DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
984 DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
985 DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
986 },
987 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
988 },
989 {
990 /* Sharp Actius MM20 */
991 .matches = {
992 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
993 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
994 },
995 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
996 },
997 {
998 /*
999 * Sony Vaio FZ-240E -
1000 * reset and GET ID commands issued via KBD port are
1001 * sometimes being delivered to AUX3.
1002 */
1003 .matches = {
1004 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1005 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
1006 },
1007 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1008 },
1009 {
1010 /*
1011 * Most (all?) VAIOs do not have external PS/2 ports nor
1012 * they implement active multiplexing properly, and
1013 * MUX discovery usually messes up keyboard/touchpad.
1014 */
1015 .matches = {
1016 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1017 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
1018 },
1019 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1020 },
1021 {
1022 /* Sony Vaio FS-115b */
1023 .matches = {
1024 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1025 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
1026 },
1027 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1028 },
1029 {
1030 /*
1031 * Sony Vaio VGN-CS series require MUX or the touch sensor
1032 * buttons will disturb touchpad operation
1033 */
1034 .matches = {
1035 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1036 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
1037 },
1038 .driver_data = (void *)(SERIO_QUIRK_FORCEMUX)
1039 },
1040 {
1041 .matches = {
1042 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1043 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
1044 },
1045 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1046 },
1047 {
1048 .matches = {
1049 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1050 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
1051 },
1052 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1053 },
1054 {
1055 .matches = {
1056 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1057 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
1058 },
1059 .driver_data = (void *)(SERIO_QUIRK_NOMUX)
1060 },
1061 /*
1062 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1063 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1064 * none of them have an external PS/2 port so this can safely be set for
1065 * all of them. These two are based on a Clevo design, but have the
1066 * board_name changed.
1067 */
1068 {
1069 .matches = {
1070 DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1071 DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
1072 },
1073 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1074 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1075 },
1076 {
1077 .matches = {
1078 DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1079 DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
1080 },
1081 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1082 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1083 },
1084 {
1085 /* Mivvy M310 */
1086 .matches = {
1087 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
1088 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
1089 },
1090 .driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
1091 },
1092 /*
1093 * Some laptops need keyboard reset before probing for the trackpad to get
1094 * it detected, initialised & finally work.
1095 */
1096 {
1097 /* Schenker XMG C504 - Elantech touchpad */
1098 .matches = {
1099 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
1100 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
1101 },
1102 .driver_data = (void *)(SERIO_QUIRK_KBDRESET)
1103 },
1104 {
1105 /* Blue FB5601 */
1106 .matches = {
1107 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
1108 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
1109 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
1110 },
1111 .driver_data = (void *)(SERIO_QUIRK_NOLOOP)
1112 },
1113 /*
1114 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1115 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1116 * none of them have an external PS/2 port so this can safely be set for
1117 * all of them.
1118 * Clevo barebones come with board_vendor and/or system_vendor set to
1119 * either the very generic string "Notebook" and/or a different value
1120 * for each individual reseller. The only somewhat universal way to
1121 * identify them is by board_name.
1122 */
1123 {
1124 .matches = {
1125 DMI_MATCH(DMI_BOARD_NAME, "LAPQC71A"),
1126 },
1127 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1128 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1129 },
1130 {
1131 .matches = {
1132 DMI_MATCH(DMI_BOARD_NAME, "LAPQC71B"),
1133 },
1134 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1135 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1136 },
1137 {
1138 .matches = {
1139 DMI_MATCH(DMI_BOARD_NAME, "N140CU"),
1140 },
1141 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1142 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1143 },
1144 {
1145 .matches = {
1146 DMI_MATCH(DMI_BOARD_NAME, "N141CU"),
1147 },
1148 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1149 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1150 },
1151 {
1152 /*
1153 * Setting SERIO_QUIRK_NOMUX or SERIO_QUIRK_RESET_ALWAYS makes
1154 * the keyboard very laggy for ~5 seconds after boot and
1155 * sometimes also after resume.
1156 * However both are required for the keyboard to not fail
1157 * completely sometimes after boot or resume.
1158 */
1159 .matches = {
1160 DMI_MATCH(DMI_BOARD_NAME, "N150CU"),
1161 },
1162 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1163 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1164 },
1165 {
1166 .matches = {
1167 DMI_MATCH(DMI_BOARD_NAME, "NH5xAx"),
1168 },
1169 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1170 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1171 },
1172 {
1173 /*
1174 * Setting SERIO_QUIRK_NOMUX or SERIO_QUIRK_RESET_ALWAYS makes
1175 * the keyboard very laggy for ~5 seconds after boot and
1176 * sometimes also after resume.
1177 * However both are required for the keyboard to not fail
1178 * completely sometimes after boot or resume.
1179 */
1180 .matches = {
1181 DMI_MATCH(DMI_BOARD_NAME, "NHxxRZQ"),
1182 },
1183 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1184 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1185 },
1186 {
1187 .matches = {
1188 DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
1189 },
1190 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1191 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1192 },
1193 /*
1194 * At least one modern Clevo barebone has the touchpad connected both
1195 * via PS/2 and i2c interface. This causes a race condition between the
1196 * psmouse and i2c-hid driver. Since the full capability of the touchpad
1197 * is available via the i2c interface and the device has no external
1198 * PS/2 port, it is safe to just ignore all ps2 mouses here to avoid
1199 * this issue. The known affected device is the
1200 * TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU which comes with one of
1201 * the two different dmi strings below. NS50MU is not a typo!
1202 */
1203 {
1204 .matches = {
1205 DMI_MATCH(DMI_BOARD_NAME, "NS50MU"),
1206 },
1207 .driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1208 SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1209 SERIO_QUIRK_NOPNP)
1210 },
1211 {
1212 .matches = {
1213 DMI_MATCH(DMI_BOARD_NAME, "NS50_70MU"),
1214 },
1215 .driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1216 SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1217 SERIO_QUIRK_NOPNP)
1218 },
1219 {
1220 .matches = {
1221 DMI_MATCH(DMI_BOARD_NAME, "NS5x_7xPU"),
1222 },
1223 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
1224 },
1225 {
1226 .matches = {
1227 DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
1228 },
1229 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1230 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1231 },
1232 {
1233 /*
1234 * This is only a partial board_name and might be followed by
1235 * another letter or number. DMI_MATCH however does do partial
1236 * matching.
1237 */
1238 .matches = {
1239 DMI_MATCH(DMI_PRODUCT_NAME, "P65xH"),
1240 },
1241 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1242 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1243 },
1244 {
1245 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
1246 .matches = {
1247 DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
1248 },
1249 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1250 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1251 },
1252 {
1253 /*
1254 * This is only a partial board_name and might be followed by
1255 * another letter or number. DMI_MATCH however does do partial
1256 * matching.
1257 */
1258 .matches = {
1259 DMI_MATCH(DMI_PRODUCT_NAME, "P65_P67H"),
1260 },
1261 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1262 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1263 },
1264 {
1265 /*
1266 * This is only a partial board_name and might be followed by
1267 * another letter or number. DMI_MATCH however does do partial
1268 * matching.
1269 */
1270 .matches = {
1271 DMI_MATCH(DMI_PRODUCT_NAME, "P65_67RP"),
1272 },
1273 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1274 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1275 },
1276 {
1277 /*
1278 * This is only a partial board_name and might be followed by
1279 * another letter or number. DMI_MATCH however does do partial
1280 * matching.
1281 */
1282 .matches = {
1283 DMI_MATCH(DMI_PRODUCT_NAME, "P65_67RS"),
1284 },
1285 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1286 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1287 },
1288 {
1289 /*
1290 * This is only a partial board_name and might be followed by
1291 * another letter or number. DMI_MATCH however does do partial
1292 * matching.
1293 */
1294 .matches = {
1295 DMI_MATCH(DMI_PRODUCT_NAME, "P67xRP"),
1296 },
1297 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1298 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1299 },
1300 {
1301 .matches = {
1302 DMI_MATCH(DMI_BOARD_NAME, "PB50_70DFx,DDx"),
1303 },
1304 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1305 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1306 },
1307 {
1308 .matches = {
1309 DMI_MATCH(DMI_BOARD_NAME, "PCX0DX"),
1310 },
1311 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1312 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1313 },
1314 /* See comment on TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU above */
1315 {
1316 .matches = {
1317 DMI_MATCH(DMI_BOARD_NAME, "PD5x_7xPNP_PNR_PNN_PNT"),
1318 },
1319 .driver_data = (void *)(SERIO_QUIRK_NOAUX)
1320 },
1321 {
1322 .matches = {
1323 DMI_MATCH(DMI_BOARD_NAME, "X170SM"),
1324 },
1325 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1326 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1327 },
1328 {
1329 .matches = {
1330 DMI_MATCH(DMI_BOARD_NAME, "X170KM-G"),
1331 },
1332 .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1333 SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1334 },
1335 { }
1336};
1337
1338#ifdef CONFIG_PNP
1339static const struct dmi_system_id i8042_dmi_laptop_table[] __initconst = {
1340 {
1341 .matches = {
1342 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1343 },
1344 },
1345 {
1346 .matches = {
1347 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
1348 },
1349 },
1350 {
1351 .matches = {
1352 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
1353 },
1354 },
1355 {
1356 .matches = {
1357 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
1358 },
1359 },
1360 { }
1361};
1362#endif
1363
1364#endif /* CONFIG_X86 */
1365
1366#ifdef CONFIG_PNP
1367#include <linux/pnp.h>
1368
1369static bool i8042_pnp_kbd_registered;
1370static unsigned int i8042_pnp_kbd_devices;
1371static bool i8042_pnp_aux_registered;
1372static unsigned int i8042_pnp_aux_devices;
1373
1374static int i8042_pnp_command_reg;
1375static int i8042_pnp_data_reg;
1376static int i8042_pnp_kbd_irq;
1377static int i8042_pnp_aux_irq;
1378
1379static char i8042_pnp_kbd_name[32];
1380static char i8042_pnp_aux_name[32];
1381
1382static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1383{
1384 strscpy(dst, "PNP:", dst_size);
1385
1386 while (id) {
1387 strlcat(p: dst, q: " ", avail: dst_size);
1388 strlcat(p: dst, q: id->id, avail: dst_size);
1389 id = id->next;
1390 }
1391}
1392
1393static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1394{
1395 if (pnp_port_valid(dev, bar: 0) && pnp_port_len(dev, bar: 0) == 1)
1396 i8042_pnp_data_reg = pnp_port_start(dev,bar: 0);
1397
1398 if (pnp_port_valid(dev, bar: 1) && pnp_port_len(dev, bar: 1) == 1)
1399 i8042_pnp_command_reg = pnp_port_start(dev, bar: 1);
1400
1401 if (pnp_irq_valid(dev,bar: 0))
1402 i8042_pnp_kbd_irq = pnp_irq(dev, bar: 0);
1403
1404 strscpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1405 if (strlen(pnp_dev_name(dev))) {
1406 strlcat(p: i8042_pnp_kbd_name, q: ":", avail: sizeof(i8042_pnp_kbd_name));
1407 strlcat(p: i8042_pnp_kbd_name, pnp_dev_name(dev), avail: sizeof(i8042_pnp_kbd_name));
1408 }
1409 i8042_pnp_id_to_string(id: dev->id, dst: i8042_kbd_firmware_id,
1410 dst_size: sizeof(i8042_kbd_firmware_id));
1411 i8042_kbd_fwnode = dev_fwnode(&dev->dev);
1412
1413 /* Keyboard ports are always supposed to be wakeup-enabled */
1414 device_set_wakeup_enable(dev: &dev->dev, enable: true);
1415
1416 i8042_pnp_kbd_devices++;
1417 return 0;
1418}
1419
1420static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1421{
1422 if (pnp_port_valid(dev, bar: 0) && pnp_port_len(dev, bar: 0) == 1)
1423 i8042_pnp_data_reg = pnp_port_start(dev,bar: 0);
1424
1425 if (pnp_port_valid(dev, bar: 1) && pnp_port_len(dev, bar: 1) == 1)
1426 i8042_pnp_command_reg = pnp_port_start(dev, bar: 1);
1427
1428 if (pnp_irq_valid(dev, bar: 0))
1429 i8042_pnp_aux_irq = pnp_irq(dev, bar: 0);
1430
1431 strscpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1432 if (strlen(pnp_dev_name(dev))) {
1433 strlcat(p: i8042_pnp_aux_name, q: ":", avail: sizeof(i8042_pnp_aux_name));
1434 strlcat(p: i8042_pnp_aux_name, pnp_dev_name(dev), avail: sizeof(i8042_pnp_aux_name));
1435 }
1436 i8042_pnp_id_to_string(id: dev->id, dst: i8042_aux_firmware_id,
1437 dst_size: sizeof(i8042_aux_firmware_id));
1438
1439 i8042_pnp_aux_devices++;
1440 return 0;
1441}
1442
1443static const struct pnp_device_id pnp_kbd_devids[] = {
1444 { .id = "PNP0300", .driver_data = 0 },
1445 { .id = "PNP0301", .driver_data = 0 },
1446 { .id = "PNP0302", .driver_data = 0 },
1447 { .id = "PNP0303", .driver_data = 0 },
1448 { .id = "PNP0304", .driver_data = 0 },
1449 { .id = "PNP0305", .driver_data = 0 },
1450 { .id = "PNP0306", .driver_data = 0 },
1451 { .id = "PNP0309", .driver_data = 0 },
1452 { .id = "PNP030a", .driver_data = 0 },
1453 { .id = "PNP030b", .driver_data = 0 },
1454 { .id = "PNP0320", .driver_data = 0 },
1455 { .id = "PNP0343", .driver_data = 0 },
1456 { .id = "PNP0344", .driver_data = 0 },
1457 { .id = "PNP0345", .driver_data = 0 },
1458 { .id = "CPQA0D7", .driver_data = 0 },
1459 { .id = "", },
1460};
1461MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1462
1463static struct pnp_driver i8042_pnp_kbd_driver = {
1464 .name = "i8042 kbd",
1465 .id_table = pnp_kbd_devids,
1466 .probe = i8042_pnp_kbd_probe,
1467 .driver = {
1468 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1469 .suppress_bind_attrs = true,
1470 },
1471};
1472
1473static const struct pnp_device_id pnp_aux_devids[] = {
1474 { .id = "AUI0200", .driver_data = 0 },
1475 { .id = "FJC6000", .driver_data = 0 },
1476 { .id = "FJC6001", .driver_data = 0 },
1477 { .id = "PNP0f03", .driver_data = 0 },
1478 { .id = "PNP0f0b", .driver_data = 0 },
1479 { .id = "PNP0f0e", .driver_data = 0 },
1480 { .id = "PNP0f12", .driver_data = 0 },
1481 { .id = "PNP0f13", .driver_data = 0 },
1482 { .id = "PNP0f19", .driver_data = 0 },
1483 { .id = "PNP0f1c", .driver_data = 0 },
1484 { .id = "SYN0801", .driver_data = 0 },
1485 { .id = "", },
1486};
1487MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1488
1489static struct pnp_driver i8042_pnp_aux_driver = {
1490 .name = "i8042 aux",
1491 .id_table = pnp_aux_devids,
1492 .probe = i8042_pnp_aux_probe,
1493 .driver = {
1494 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1495 .suppress_bind_attrs = true,
1496 },
1497};
1498
1499static void i8042_pnp_exit(void)
1500{
1501 if (i8042_pnp_kbd_registered) {
1502 i8042_pnp_kbd_registered = false;
1503 pnp_unregister_driver(drv: &i8042_pnp_kbd_driver);
1504 }
1505
1506 if (i8042_pnp_aux_registered) {
1507 i8042_pnp_aux_registered = false;
1508 pnp_unregister_driver(drv: &i8042_pnp_aux_driver);
1509 }
1510}
1511
1512static int __init i8042_pnp_init(void)
1513{
1514 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1515 bool pnp_data_busted = false;
1516 int err;
1517
1518 if (i8042_nopnp) {
1519 pr_info("PNP detection disabled\n");
1520 return 0;
1521 }
1522
1523 err = pnp_register_driver(drv: &i8042_pnp_kbd_driver);
1524 if (!err)
1525 i8042_pnp_kbd_registered = true;
1526
1527 err = pnp_register_driver(drv: &i8042_pnp_aux_driver);
1528 if (!err)
1529 i8042_pnp_aux_registered = true;
1530
1531 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1532 i8042_pnp_exit();
1533#if defined(__ia64__)
1534 return -ENODEV;
1535#else
1536 pr_info("PNP: No PS/2 controller found.\n");
1537#if defined(__loongarch__)
1538 if (acpi_disabled == 0)
1539 return -ENODEV;
1540#else
1541 if (x86_platform.legacy.i8042 !=
1542 X86_LEGACY_I8042_EXPECTED_PRESENT)
1543 return -ENODEV;
1544#endif
1545 pr_info("Probing ports directly.\n");
1546 return 0;
1547#endif
1548 }
1549
1550 if (i8042_pnp_kbd_devices)
1551 snprintf(buf: kbd_irq_str, size: sizeof(kbd_irq_str),
1552 fmt: "%d", i8042_pnp_kbd_irq);
1553 if (i8042_pnp_aux_devices)
1554 snprintf(buf: aux_irq_str, size: sizeof(aux_irq_str),
1555 fmt: "%d", i8042_pnp_aux_irq);
1556
1557 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1558 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1559 i8042_pnp_aux_name,
1560 i8042_pnp_data_reg, i8042_pnp_command_reg,
1561 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1562 aux_irq_str);
1563
1564#if defined(__ia64__)
1565 if (!i8042_pnp_kbd_devices)
1566 i8042_nokbd = true;
1567 if (!i8042_pnp_aux_devices)
1568 i8042_noaux = true;
1569#endif
1570
1571 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1572 i8042_pnp_data_reg != i8042_data_reg) ||
1573 !i8042_pnp_data_reg) {
1574 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1575 i8042_pnp_data_reg, i8042_data_reg);
1576 i8042_pnp_data_reg = i8042_data_reg;
1577 pnp_data_busted = true;
1578 }
1579
1580 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1581 i8042_pnp_command_reg != i8042_command_reg) ||
1582 !i8042_pnp_command_reg) {
1583 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1584 i8042_pnp_command_reg, i8042_command_reg);
1585 i8042_pnp_command_reg = i8042_command_reg;
1586 pnp_data_busted = true;
1587 }
1588
1589 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1590 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1591 i8042_kbd_irq);
1592 i8042_pnp_kbd_irq = i8042_kbd_irq;
1593 pnp_data_busted = true;
1594 }
1595
1596 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1597 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1598 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1599 "if this is incorrect please boot with i8042.nopnp\n");
1600 i8042_noaux = true;
1601 } else {
1602 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1603 i8042_aux_irq);
1604 i8042_pnp_aux_irq = i8042_aux_irq;
1605 }
1606 }
1607
1608 i8042_data_reg = i8042_pnp_data_reg;
1609 i8042_command_reg = i8042_pnp_command_reg;
1610 i8042_kbd_irq = i8042_pnp_kbd_irq;
1611 i8042_aux_irq = i8042_pnp_aux_irq;
1612
1613#ifdef CONFIG_X86
1614 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1615 dmi_check_system(list: i8042_dmi_laptop_table);
1616#endif
1617
1618 return 0;
1619}
1620
1621#else /* !CONFIG_PNP */
1622static inline int i8042_pnp_init(void) { return 0; }
1623static inline void i8042_pnp_exit(void) { }
1624#endif /* CONFIG_PNP */
1625
1626
1627#ifdef CONFIG_X86
1628static void __init i8042_check_quirks(void)
1629{
1630 const struct dmi_system_id *device_quirk_info;
1631 uintptr_t quirks;
1632
1633 device_quirk_info = dmi_first_match(list: i8042_dmi_quirk_table);
1634 if (!device_quirk_info)
1635 return;
1636
1637 quirks = (uintptr_t)device_quirk_info->driver_data;
1638
1639 if (quirks & SERIO_QUIRK_NOKBD)
1640 i8042_nokbd = true;
1641 if (quirks & SERIO_QUIRK_NOAUX)
1642 i8042_noaux = true;
1643 if (quirks & SERIO_QUIRK_NOMUX)
1644 i8042_nomux = true;
1645 if (quirks & SERIO_QUIRK_FORCEMUX)
1646 i8042_nomux = false;
1647 if (quirks & SERIO_QUIRK_UNLOCK)
1648 i8042_unlock = true;
1649 if (quirks & SERIO_QUIRK_PROBE_DEFER)
1650 i8042_probe_defer = true;
1651 /* Honor module parameter when value is not default */
1652 if (i8042_reset == I8042_RESET_DEFAULT) {
1653 if (quirks & SERIO_QUIRK_RESET_ALWAYS)
1654 i8042_reset = I8042_RESET_ALWAYS;
1655 if (quirks & SERIO_QUIRK_RESET_NEVER)
1656 i8042_reset = I8042_RESET_NEVER;
1657 }
1658 if (quirks & SERIO_QUIRK_DIECT)
1659 i8042_direct = true;
1660 if (quirks & SERIO_QUIRK_DUMBKBD)
1661 i8042_dumbkbd = true;
1662 if (quirks & SERIO_QUIRK_NOLOOP)
1663 i8042_noloop = true;
1664 if (quirks & SERIO_QUIRK_NOTIMEOUT)
1665 i8042_notimeout = true;
1666 if (quirks & SERIO_QUIRK_KBDRESET)
1667 i8042_kbdreset = true;
1668 if (quirks & SERIO_QUIRK_DRITEK)
1669 i8042_dritek = true;
1670#ifdef CONFIG_PNP
1671 if (quirks & SERIO_QUIRK_NOPNP)
1672 i8042_nopnp = true;
1673#endif
1674}
1675#else
1676static inline void i8042_check_quirks(void) {}
1677#endif
1678
1679static int __init i8042_platform_init(void)
1680{
1681 int retval;
1682
1683#ifdef CONFIG_X86
1684 u8 a20_on = 0xdf;
1685 /* Just return if platform does not have i8042 controller */
1686 if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1687 return -ENODEV;
1688#endif
1689
1690/*
1691 * On ix86 platforms touching the i8042 data register region can do really
1692 * bad things. Because of this the region is always reserved on ix86 boxes.
1693 *
1694 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1695 * return -EBUSY;
1696 */
1697
1698 i8042_kbd_irq = I8042_MAP_IRQ(1);
1699 i8042_aux_irq = I8042_MAP_IRQ(12);
1700
1701#if defined(__ia64__)
1702 i8042_reset = I8042_RESET_ALWAYS;
1703#endif
1704
1705 i8042_check_quirks();
1706
1707 pr_debug("Active quirks (empty means none):%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1708 i8042_nokbd ? " nokbd" : "",
1709 i8042_noaux ? " noaux" : "",
1710 i8042_nomux ? " nomux" : "",
1711 i8042_unlock ? " unlock" : "",
1712 i8042_probe_defer ? "probe_defer" : "",
1713 i8042_reset == I8042_RESET_DEFAULT ?
1714 "" : i8042_reset == I8042_RESET_ALWAYS ?
1715 " reset_always" : " reset_never",
1716 i8042_direct ? " direct" : "",
1717 i8042_dumbkbd ? " dumbkbd" : "",
1718 i8042_noloop ? " noloop" : "",
1719 i8042_notimeout ? " notimeout" : "",
1720 i8042_kbdreset ? " kbdreset" : "",
1721#ifdef CONFIG_X86
1722 i8042_dritek ? " dritek" : "",
1723#else
1724 "",
1725#endif
1726#ifdef CONFIG_PNP
1727 i8042_nopnp ? " nopnp" : "");
1728#else
1729 "");
1730#endif
1731
1732 retval = i8042_pnp_init();
1733 if (retval)
1734 return retval;
1735
1736#ifdef CONFIG_X86
1737 /*
1738 * A20 was already enabled during early kernel init. But some buggy
1739 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1740 * resume from S3. So we do it here and hope that nothing breaks.
1741 */
1742 i8042_command(param: &a20_on, command: 0x10d1);
1743 i8042_command(NULL, command: 0x00ff); /* Null command for SMM firmware */
1744#endif /* CONFIG_X86 */
1745
1746 return retval;
1747}
1748
1749static inline void i8042_platform_exit(void)
1750{
1751 i8042_pnp_exit();
1752}
1753
1754#endif /* _I8042_ACPIPNPIO_H */
1755

source code of linux/drivers/input/serio/i8042-acpipnpio.h