xref: /linux/drivers/input/serio/i8042-acpipnpio.h (revision c6fbb759) 
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 
32 static int i8042_kbd_irq;
33 static 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 
43 static int i8042_command_reg = 0x64;
44 static int i8042_data_reg = 0x60;
45 
46 
47 static inline int i8042_read_data(void)
48 {
49 	return inb(I8042_DATA_REG);
50 }
51 
52 static inline int i8042_read_status(void)
53 {
54 	return inb(I8042_STATUS_REG);
55 }
56 
57 static inline void i8042_write_data(int val)
58 {
59 	outb(val, I8042_DATA_REG);
60 }
61 
62 static inline void i8042_write_command(int val)
63 {
64 	outb(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  */
94 static 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 */
119 		.matches = {
120 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
121 			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"),
122 		},
123 		.driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
124 	},
125 	{
126 		/* ASUS ZenBook UM325UA */
127 		.matches = {
128 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
129 			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"),
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 		/* Amoi M636/A737 */
365 		.matches = {
366 			DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
367 			DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
368 		},
369 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
370 	},
371 	{
372 		.matches = {
373 			DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
374 			DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
375 		},
376 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
377 	},
378 	{
379 		/* Compal HEL80I */
380 		.matches = {
381 			DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
382 			DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
383 		},
384 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
385 	},
386 	{
387 		.matches = {
388 			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
389 			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
390 			DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
391 		},
392 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
393 	},
394 	{
395 		.matches = {
396 			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
397 			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
398 			DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
399 		},
400 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
401 	},
402 	{
403 		/* Advent 4211 */
404 		.matches = {
405 			DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
406 			DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
407 		},
408 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
409 	},
410 	{
411 		/* Dell Embedded Box PC 3000 */
412 		.matches = {
413 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
414 			DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
415 		},
416 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
417 	},
418 	{
419 		/* Dell XPS M1530 */
420 		.matches = {
421 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
422 			DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
423 		},
424 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
425 	},
426 	{
427 		/* Dell Vostro 1510 */
428 		.matches = {
429 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
430 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
431 		},
432 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
433 	},
434 	{
435 		/* Dell Vostro V13 */
436 		.matches = {
437 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
438 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
439 		},
440 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
441 	},
442 	{
443 		/* Dell Vostro 1320 */
444 		.matches = {
445 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
446 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
447 		},
448 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
449 	},
450 	{
451 		/* Dell Vostro 1520 */
452 		.matches = {
453 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
454 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
455 		},
456 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
457 	},
458 	{
459 		/* Dell Vostro 1720 */
460 		.matches = {
461 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
462 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
463 		},
464 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
465 	},
466 	{
467 		/* Entroware Proteus */
468 		.matches = {
469 			DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
470 			DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
471 			DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
472 		},
473 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS)
474 	},
475 	/*
476 	 * Some Fujitsu notebooks are having trouble with touchpads if
477 	 * active multiplexing mode is activated. Luckily they don't have
478 	 * external PS/2 ports so we can safely disable it.
479 	 * ... apparently some Toshibas don't like MUX mode either and
480 	 * die horrible death on reboot.
481 	 */
482 	{
483 		/* Fujitsu Lifebook P7010/P7010D */
484 		.matches = {
485 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
486 			DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
487 		},
488 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
489 	},
490 	{
491 		/* Fujitsu Lifebook P5020D */
492 		.matches = {
493 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
494 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
495 		},
496 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
497 	},
498 	{
499 		/* Fujitsu Lifebook S2000 */
500 		.matches = {
501 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
502 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
503 		},
504 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
505 	},
506 	{
507 		/* Fujitsu Lifebook S6230 */
508 		.matches = {
509 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
510 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
511 		},
512 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
513 	},
514 	{
515 		/* Fujitsu Lifebook T725 laptop */
516 		.matches = {
517 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
518 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
519 		},
520 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
521 	},
522 	{
523 		/* Fujitsu Lifebook U745 */
524 		.matches = {
525 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
526 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
527 		},
528 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
529 	},
530 	{
531 		/* Fujitsu T70H */
532 		.matches = {
533 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
534 			DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
535 		},
536 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
537 	},
538 	{
539 		/* Fujitsu A544 laptop */
540 		/* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
541 		.matches = {
542 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
543 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
544 		},
545 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
546 	},
547 	{
548 		/* Fujitsu AH544 laptop */
549 		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
550 		.matches = {
551 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
552 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
553 		},
554 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
555 	},
556 	{
557 		/* Fujitsu U574 laptop */
558 		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
559 		.matches = {
560 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
561 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
562 		},
563 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
564 	},
565 	{
566 		/* Fujitsu UH554 laptop */
567 		.matches = {
568 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
569 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
570 		},
571 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
572 	},
573 	{
574 		/* Fujitsu Lifebook P7010 */
575 		.matches = {
576 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
577 			DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
578 		},
579 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
580 	},
581 	{
582 		/* Fujitsu-Siemens Lifebook T3010 */
583 		.matches = {
584 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
585 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
586 		},
587 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
588 	},
589 	{
590 		/* Fujitsu-Siemens Lifebook E4010 */
591 		.matches = {
592 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
593 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
594 		},
595 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
596 	},
597 	{
598 		/* Fujitsu-Siemens Amilo Pro 2010 */
599 		.matches = {
600 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
601 			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
602 		},
603 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
604 	},
605 	{
606 		/* Fujitsu-Siemens Amilo Pro 2030 */
607 		.matches = {
608 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
609 			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
610 		},
611 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
612 	},
613 	{
614 		/* Gigabyte M912 */
615 		.matches = {
616 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
617 			DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
618 			DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
619 		},
620 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
621 	},
622 	{
623 		/* Gigabyte Spring Peak - defines wrong chassis type */
624 		.matches = {
625 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
626 			DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
627 		},
628 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
629 	},
630 	{
631 		/* Gigabyte T1005 - defines wrong chassis type ("Other") */
632 		.matches = {
633 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
634 			DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
635 		},
636 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
637 	},
638 	{
639 		/* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
640 		.matches = {
641 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
642 			DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
643 		},
644 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
645 	},
646 	/*
647 	 * Some laptops need keyboard reset before probing for the trackpad to get
648 	 * it detected, initialised & finally work.
649 	 */
650 	{
651 		/* Gigabyte P35 v2 - Elantech touchpad */
652 		.matches = {
653 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
654 			DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
655 		},
656 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
657 	},
658 		{
659 		/* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
660 		.matches = {
661 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
662 			DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
663 		},
664 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
665 	},
666 	{
667 		/* Gigabyte P34 - Elantech touchpad */
668 		.matches = {
669 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
670 			DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
671 		},
672 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
673 	},
674 	{
675 		/* Gigabyte P57 - Elantech touchpad */
676 		.matches = {
677 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
678 			DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
679 		},
680 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
681 	},
682 	{
683 		/* Gericom Bellagio */
684 		.matches = {
685 			DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
686 			DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
687 		},
688 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
689 	},
690 	{
691 		/* Gigabyte M1022M netbook */
692 		.matches = {
693 			DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
694 			DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
695 			DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
696 		},
697 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
698 	},
699 	{
700 		.matches = {
701 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
702 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
703 			DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
704 		},
705 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
706 	},
707 	{
708 		/*
709 		 * HP Pavilion DV4017EA -
710 		 * errors on MUX ports are reported without raising AUXDATA
711 		 * causing "spurious NAK" messages.
712 		 */
713 		.matches = {
714 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
715 			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
716 		},
717 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
718 	},
719 	{
720 		/*
721 		 * HP Pavilion ZT1000 -
722 		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
723 		 */
724 		.matches = {
725 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
726 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
727 			DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
728 		},
729 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
730 	},
731 	{
732 		/*
733 		 * HP Pavilion DV4270ca -
734 		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
735 		 */
736 		.matches = {
737 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
738 			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
739 		},
740 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
741 	},
742 	{
743 		/* Newer HP Pavilion dv4 models */
744 		.matches = {
745 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
746 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
747 		},
748 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
749 	},
750 	{
751 		/* IBM 2656 */
752 		.matches = {
753 			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
754 			DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
755 		},
756 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
757 	},
758 	{
759 		/* Avatar AVIU-145A6 */
760 		.matches = {
761 			DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
762 			DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
763 		},
764 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
765 	},
766 	{
767 		/* Intel MBO Desktop D845PESV */
768 		.matches = {
769 			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
770 			DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
771 		},
772 		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
773 	},
774 	{
775 		/*
776 		 * Intel NUC D54250WYK - does not have i8042 controller but
777 		 * declares PS/2 devices in DSDT.
778 		 */
779 		.matches = {
780 			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
781 			DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
782 		},
783 		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
784 	},
785 	{
786 		/* Lenovo 3000 n100 */
787 		.matches = {
788 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
789 			DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
790 		},
791 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
792 	},
793 	{
794 		/* Lenovo XiaoXin Air 12 */
795 		.matches = {
796 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
797 			DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
798 		},
799 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
800 	},
801 	{
802 		/* Lenovo LaVie Z */
803 		.matches = {
804 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
805 			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
806 		},
807 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
808 	},
809 	{
810 		/* Lenovo Ideapad U455 */
811 		.matches = {
812 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
813 			DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
814 		},
815 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
816 	},
817 	{
818 		/* Lenovo ThinkPad L460 */
819 		.matches = {
820 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
821 			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
822 		},
823 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
824 	},
825 	{
826 		/* Lenovo ThinkPad Twist S230u */
827 		.matches = {
828 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
829 			DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
830 		},
831 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
832 	},
833 	{
834 		/* LG Electronics X110 */
835 		.matches = {
836 			DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
837 			DMI_MATCH(DMI_BOARD_NAME, "X110"),
838 		},
839 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
840 	},
841 	{
842 		/* Medion Akoya Mini E1210 */
843 		.matches = {
844 			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
845 			DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
846 		},
847 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
848 	},
849 	{
850 		/* Medion Akoya E1222 */
851 		.matches = {
852 			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
853 			DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
854 		},
855 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
856 	},
857 	{
858 		/* MSI Wind U-100 */
859 		.matches = {
860 			DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
861 			DMI_MATCH(DMI_BOARD_NAME, "U-100"),
862 		},
863 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOPNP)
864 	},
865 	{
866 		/*
867 		 * No data is coming from the touchscreen unless KBC
868 		 * is in legacy mode.
869 		 */
870 		/* Panasonic CF-29 */
871 		.matches = {
872 			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
873 			DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
874 		},
875 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
876 	},
877 	{
878 		/* Medion Akoya E7225 */
879 		.matches = {
880 			DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
881 			DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
882 			DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
883 		},
884 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
885 	},
886 	{
887 		/* Microsoft Virtual Machine */
888 		.matches = {
889 			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
890 			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
891 			DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
892 		},
893 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
894 	},
895 	{
896 		/* Medion MAM 2070 */
897 		.matches = {
898 			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
899 			DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
900 			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
901 		},
902 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
903 	},
904 	{
905 		/* TUXEDO BU1406 */
906 		.matches = {
907 			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
908 			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
909 		},
910 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
911 	},
912 	{
913 		/* OQO Model 01 */
914 		.matches = {
915 			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
916 			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
917 			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
918 		},
919 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
920 	},
921 	{
922 		.matches = {
923 			DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
924 			DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
925 		},
926 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
927 	},
928 	{
929 		/* Acer Aspire 5 A515 */
930 		.matches = {
931 			DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
932 			DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
933 		},
934 		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
935 	},
936 	{
937 		/* ULI EV4873 - AUX LOOP does not work properly */
938 		.matches = {
939 			DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
940 			DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
941 			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
942 		},
943 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
944 	},
945 	{
946 		/*
947 		 * Arima-Rioworks HDAMB -
948 		 * AUX LOOP command does not raise AUX IRQ
949 		 */
950 		.matches = {
951 			DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
952 			DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
953 			DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
954 		},
955 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
956 	},
957 	{
958 		/* Sharp Actius MM20 */
959 		.matches = {
960 			DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
961 			DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
962 		},
963 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
964 	},
965 	{
966 		/*
967 		 * Sony Vaio FZ-240E -
968 		 * reset and GET ID commands issued via KBD port are
969 		 * sometimes being delivered to AUX3.
970 		 */
971 		.matches = {
972 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
973 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
974 		},
975 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
976 	},
977 	{
978 		/*
979 		 * Most (all?) VAIOs do not have external PS/2 ports nor
980 		 * they implement active multiplexing properly, and
981 		 * MUX discovery usually messes up keyboard/touchpad.
982 		 */
983 		.matches = {
984 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
985 			DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
986 		},
987 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
988 	},
989 	{
990 		/* Sony Vaio FS-115b */
991 		.matches = {
992 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
993 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
994 		},
995 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
996 	},
997 	{
998 		/*
999 		 * Sony Vaio VGN-CS series require MUX or the touch sensor
1000 		 * buttons will disturb touchpad operation
1001 		 */
1002 		.matches = {
1003 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1004 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
1005 		},
1006 		.driver_data = (void *)(SERIO_QUIRK_FORCEMUX)
1007 	},
1008 	{
1009 		.matches = {
1010 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1011 			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
1012 		},
1013 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1014 	},
1015 	{
1016 		.matches = {
1017 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1018 			DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
1019 		},
1020 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1021 	},
1022 	{
1023 		.matches = {
1024 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1025 			DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
1026 		},
1027 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1028 	},
1029 	/*
1030 	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1031 	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1032 	 * none of them have an external PS/2 port so this can safely be set for
1033 	 * all of them. These two are based on a Clevo design, but have the
1034 	 * board_name changed.
1035 	 */
1036 	{
1037 		.matches = {
1038 			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1039 			DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
1040 		},
1041 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1042 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1043 	},
1044 	{
1045 		.matches = {
1046 			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1047 			DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
1048 		},
1049 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1050 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1051 	},
1052 	{
1053 		/* Mivvy M310 */
1054 		.matches = {
1055 			DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
1056 			DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
1057 		},
1058 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
1059 	},
1060 	/*
1061 	 * Some laptops need keyboard reset before probing for the trackpad to get
1062 	 * it detected, initialised & finally work.
1063 	 */
1064 	{
1065 		/* Schenker XMG C504 - Elantech touchpad */
1066 		.matches = {
1067 			DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
1068 			DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
1069 		},
1070 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
1071 	},
1072 	{
1073 		/* Blue FB5601 */
1074 		.matches = {
1075 			DMI_MATCH(DMI_SYS_VENDOR, "blue"),
1076 			DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
1077 			DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
1078 		},
1079 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
1080 	},
1081 	/*
1082 	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1083 	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1084 	 * none of them have an external PS/2 port so this can safely be set for
1085 	 * all of them.
1086 	 * Clevo barebones come with board_vendor and/or system_vendor set to
1087 	 * either the very generic string "Notebook" and/or a different value
1088 	 * for each individual reseller. The only somewhat universal way to
1089 	 * identify them is by board_name.
1090 	 */
1091 	{
1092 		.matches = {
1093 			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71A"),
1094 		},
1095 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1096 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1097 	},
1098 	{
1099 		.matches = {
1100 			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71B"),
1101 		},
1102 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1103 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1104 	},
1105 	{
1106 		.matches = {
1107 			DMI_MATCH(DMI_BOARD_NAME, "N140CU"),
1108 		},
1109 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1110 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1111 	},
1112 	{
1113 		.matches = {
1114 			DMI_MATCH(DMI_BOARD_NAME, "N141CU"),
1115 		},
1116 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1117 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1118 	},
1119 	{
1120 		.matches = {
1121 			DMI_MATCH(DMI_BOARD_NAME, "NH5xAx"),
1122 		},
1123 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1124 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1125 	},
1126 	{
1127 		.matches = {
1128 			DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
1129 		},
1130 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1131 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1132 	},
1133 	/*
1134 	 * At least one modern Clevo barebone has the touchpad connected both
1135 	 * via PS/2 and i2c interface. This causes a race condition between the
1136 	 * psmouse and i2c-hid driver. Since the full capability of the touchpad
1137 	 * is available via the i2c interface and the device has no external
1138 	 * PS/2 port, it is safe to just ignore all ps2 mouses here to avoid
1139 	 * this issue. The known affected device is the
1140 	 * TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU which comes with one of
1141 	 * the two different dmi strings below. NS50MU is not a typo!
1142 	 */
1143 	{
1144 		.matches = {
1145 			DMI_MATCH(DMI_BOARD_NAME, "NS50MU"),
1146 		},
1147 		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1148 					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1149 					SERIO_QUIRK_NOPNP)
1150 	},
1151 	{
1152 		.matches = {
1153 			DMI_MATCH(DMI_BOARD_NAME, "NS50_70MU"),
1154 		},
1155 		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1156 					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1157 					SERIO_QUIRK_NOPNP)
1158 	},
1159 	{
1160 		.matches = {
1161 			DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
1162 		},
1163 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1164 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1165 	},
1166 	{
1167 		/*
1168 		 * This is only a partial board_name and might be followed by
1169 		 * another letter or number. DMI_MATCH however does do partial
1170 		 * matching.
1171 		 */
1172 		.matches = {
1173 			DMI_MATCH(DMI_PRODUCT_NAME, "P65xH"),
1174 		},
1175 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1176 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1177 	},
1178 	{
1179 		/* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
1180 		.matches = {
1181 			DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
1182 		},
1183 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1184 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1185 	},
1186 	{
1187 		/*
1188 		 * This is only a partial board_name and might be followed by
1189 		 * another letter or number. DMI_MATCH however does do partial
1190 		 * matching.
1191 		 */
1192 		.matches = {
1193 			DMI_MATCH(DMI_PRODUCT_NAME, "P65_P67H"),
1194 		},
1195 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1196 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1197 	},
1198 	{
1199 		/*
1200 		 * This is only a partial board_name and might be followed by
1201 		 * another letter or number. DMI_MATCH however does do partial
1202 		 * matching.
1203 		 */
1204 		.matches = {
1205 			DMI_MATCH(DMI_PRODUCT_NAME, "P65_67RP"),
1206 		},
1207 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1208 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1209 	},
1210 	{
1211 		/*
1212 		 * This is only a partial board_name and might be followed by
1213 		 * another letter or number. DMI_MATCH however does do partial
1214 		 * matching.
1215 		 */
1216 		.matches = {
1217 			DMI_MATCH(DMI_PRODUCT_NAME, "P65_67RS"),
1218 		},
1219 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1220 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1221 	},
1222 	{
1223 		/*
1224 		 * This is only a partial board_name and might be followed by
1225 		 * another letter or number. DMI_MATCH however does do partial
1226 		 * matching.
1227 		 */
1228 		.matches = {
1229 			DMI_MATCH(DMI_PRODUCT_NAME, "P67xRP"),
1230 		},
1231 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1232 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1233 	},
1234 	{
1235 		.matches = {
1236 			DMI_MATCH(DMI_BOARD_NAME, "PB50_70DFx,DDx"),
1237 		},
1238 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1239 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1240 	},
1241 	{
1242 		.matches = {
1243 			DMI_MATCH(DMI_BOARD_NAME, "X170SM"),
1244 		},
1245 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1246 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1247 	},
1248 	{
1249 		.matches = {
1250 			DMI_MATCH(DMI_BOARD_NAME, "X170KM-G"),
1251 		},
1252 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1253 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1254 	},
1255 	{ }
1256 };
1257 
1258 #ifdef CONFIG_PNP
1259 static const struct dmi_system_id i8042_dmi_laptop_table[] __initconst = {
1260 	{
1261 		.matches = {
1262 			DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1263 		},
1264 	},
1265 	{
1266 		.matches = {
1267 			DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
1268 		},
1269 	},
1270 	{
1271 		.matches = {
1272 			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
1273 		},
1274 	},
1275 	{
1276 		.matches = {
1277 			DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
1278 		},
1279 	},
1280 	{ }
1281 };
1282 #endif
1283 
1284 #endif /* CONFIG_X86 */
1285 
1286 #ifdef CONFIG_PNP
1287 #include <linux/pnp.h>
1288 
1289 static bool i8042_pnp_kbd_registered;
1290 static unsigned int i8042_pnp_kbd_devices;
1291 static bool i8042_pnp_aux_registered;
1292 static unsigned int i8042_pnp_aux_devices;
1293 
1294 static int i8042_pnp_command_reg;
1295 static int i8042_pnp_data_reg;
1296 static int i8042_pnp_kbd_irq;
1297 static int i8042_pnp_aux_irq;
1298 
1299 static char i8042_pnp_kbd_name[32];
1300 static char i8042_pnp_aux_name[32];
1301 
1302 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1303 {
1304 	strscpy(dst, "PNP:", dst_size);
1305 
1306 	while (id) {
1307 		strlcat(dst, " ", dst_size);
1308 		strlcat(dst, id->id, dst_size);
1309 		id = id->next;
1310 	}
1311 }
1312 
1313 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1314 {
1315 	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1316 		i8042_pnp_data_reg = pnp_port_start(dev,0);
1317 
1318 	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1319 		i8042_pnp_command_reg = pnp_port_start(dev, 1);
1320 
1321 	if (pnp_irq_valid(dev,0))
1322 		i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1323 
1324 	strscpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1325 	if (strlen(pnp_dev_name(dev))) {
1326 		strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1327 		strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1328 	}
1329 	i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1330 			       sizeof(i8042_kbd_firmware_id));
1331 	i8042_kbd_fwnode = dev_fwnode(&dev->dev);
1332 
1333 	/* Keyboard ports are always supposed to be wakeup-enabled */
1334 	device_set_wakeup_enable(&dev->dev, true);
1335 
1336 	i8042_pnp_kbd_devices++;
1337 	return 0;
1338 }
1339 
1340 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1341 {
1342 	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1343 		i8042_pnp_data_reg = pnp_port_start(dev,0);
1344 
1345 	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1346 		i8042_pnp_command_reg = pnp_port_start(dev, 1);
1347 
1348 	if (pnp_irq_valid(dev, 0))
1349 		i8042_pnp_aux_irq = pnp_irq(dev, 0);
1350 
1351 	strscpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1352 	if (strlen(pnp_dev_name(dev))) {
1353 		strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1354 		strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1355 	}
1356 	i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1357 			       sizeof(i8042_aux_firmware_id));
1358 
1359 	i8042_pnp_aux_devices++;
1360 	return 0;
1361 }
1362 
1363 static const struct pnp_device_id pnp_kbd_devids[] = {
1364 	{ .id = "PNP0300", .driver_data = 0 },
1365 	{ .id = "PNP0301", .driver_data = 0 },
1366 	{ .id = "PNP0302", .driver_data = 0 },
1367 	{ .id = "PNP0303", .driver_data = 0 },
1368 	{ .id = "PNP0304", .driver_data = 0 },
1369 	{ .id = "PNP0305", .driver_data = 0 },
1370 	{ .id = "PNP0306", .driver_data = 0 },
1371 	{ .id = "PNP0309", .driver_data = 0 },
1372 	{ .id = "PNP030a", .driver_data = 0 },
1373 	{ .id = "PNP030b", .driver_data = 0 },
1374 	{ .id = "PNP0320", .driver_data = 0 },
1375 	{ .id = "PNP0343", .driver_data = 0 },
1376 	{ .id = "PNP0344", .driver_data = 0 },
1377 	{ .id = "PNP0345", .driver_data = 0 },
1378 	{ .id = "CPQA0D7", .driver_data = 0 },
1379 	{ .id = "", },
1380 };
1381 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1382 
1383 static struct pnp_driver i8042_pnp_kbd_driver = {
1384 	.name           = "i8042 kbd",
1385 	.id_table       = pnp_kbd_devids,
1386 	.probe          = i8042_pnp_kbd_probe,
1387 	.driver         = {
1388 		.probe_type = PROBE_FORCE_SYNCHRONOUS,
1389 		.suppress_bind_attrs = true,
1390 	},
1391 };
1392 
1393 static const struct pnp_device_id pnp_aux_devids[] = {
1394 	{ .id = "AUI0200", .driver_data = 0 },
1395 	{ .id = "FJC6000", .driver_data = 0 },
1396 	{ .id = "FJC6001", .driver_data = 0 },
1397 	{ .id = "PNP0f03", .driver_data = 0 },
1398 	{ .id = "PNP0f0b", .driver_data = 0 },
1399 	{ .id = "PNP0f0e", .driver_data = 0 },
1400 	{ .id = "PNP0f12", .driver_data = 0 },
1401 	{ .id = "PNP0f13", .driver_data = 0 },
1402 	{ .id = "PNP0f19", .driver_data = 0 },
1403 	{ .id = "PNP0f1c", .driver_data = 0 },
1404 	{ .id = "SYN0801", .driver_data = 0 },
1405 	{ .id = "", },
1406 };
1407 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1408 
1409 static struct pnp_driver i8042_pnp_aux_driver = {
1410 	.name           = "i8042 aux",
1411 	.id_table       = pnp_aux_devids,
1412 	.probe          = i8042_pnp_aux_probe,
1413 	.driver         = {
1414 		.probe_type = PROBE_FORCE_SYNCHRONOUS,
1415 		.suppress_bind_attrs = true,
1416 	},
1417 };
1418 
1419 static void i8042_pnp_exit(void)
1420 {
1421 	if (i8042_pnp_kbd_registered) {
1422 		i8042_pnp_kbd_registered = false;
1423 		pnp_unregister_driver(&i8042_pnp_kbd_driver);
1424 	}
1425 
1426 	if (i8042_pnp_aux_registered) {
1427 		i8042_pnp_aux_registered = false;
1428 		pnp_unregister_driver(&i8042_pnp_aux_driver);
1429 	}
1430 }
1431 
1432 static int __init i8042_pnp_init(void)
1433 {
1434 	char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1435 	bool pnp_data_busted = false;
1436 	int err;
1437 
1438 	if (i8042_nopnp) {
1439 		pr_info("PNP detection disabled\n");
1440 		return 0;
1441 	}
1442 
1443 	err = pnp_register_driver(&i8042_pnp_kbd_driver);
1444 	if (!err)
1445 		i8042_pnp_kbd_registered = true;
1446 
1447 	err = pnp_register_driver(&i8042_pnp_aux_driver);
1448 	if (!err)
1449 		i8042_pnp_aux_registered = true;
1450 
1451 	if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1452 		i8042_pnp_exit();
1453 #if defined(__ia64__)
1454 		return -ENODEV;
1455 #else
1456 		pr_info("PNP: No PS/2 controller found.\n");
1457 #if defined(__loongarch__)
1458 		if (acpi_disabled == 0)
1459 			return -ENODEV;
1460 #else
1461 		if (x86_platform.legacy.i8042 !=
1462 				X86_LEGACY_I8042_EXPECTED_PRESENT)
1463 			return -ENODEV;
1464 #endif
1465 		pr_info("Probing ports directly.\n");
1466 		return 0;
1467 #endif
1468 	}
1469 
1470 	if (i8042_pnp_kbd_devices)
1471 		snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1472 			"%d", i8042_pnp_kbd_irq);
1473 	if (i8042_pnp_aux_devices)
1474 		snprintf(aux_irq_str, sizeof(aux_irq_str),
1475 			"%d", i8042_pnp_aux_irq);
1476 
1477 	pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1478 		i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1479 		i8042_pnp_aux_name,
1480 		i8042_pnp_data_reg, i8042_pnp_command_reg,
1481 		kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1482 		aux_irq_str);
1483 
1484 #if defined(__ia64__)
1485 	if (!i8042_pnp_kbd_devices)
1486 		i8042_nokbd = true;
1487 	if (!i8042_pnp_aux_devices)
1488 		i8042_noaux = true;
1489 #endif
1490 
1491 	if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1492 	      i8042_pnp_data_reg != i8042_data_reg) ||
1493 	    !i8042_pnp_data_reg) {
1494 		pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1495 			i8042_pnp_data_reg, i8042_data_reg);
1496 		i8042_pnp_data_reg = i8042_data_reg;
1497 		pnp_data_busted = true;
1498 	}
1499 
1500 	if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1501 	      i8042_pnp_command_reg != i8042_command_reg) ||
1502 	    !i8042_pnp_command_reg) {
1503 		pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1504 			i8042_pnp_command_reg, i8042_command_reg);
1505 		i8042_pnp_command_reg = i8042_command_reg;
1506 		pnp_data_busted = true;
1507 	}
1508 
1509 	if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1510 		pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1511 			i8042_kbd_irq);
1512 		i8042_pnp_kbd_irq = i8042_kbd_irq;
1513 		pnp_data_busted = true;
1514 	}
1515 
1516 	if (!i8042_noaux && !i8042_pnp_aux_irq) {
1517 		if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1518 			pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1519 				"if this is incorrect please boot with i8042.nopnp\n");
1520 			i8042_noaux = true;
1521 		} else {
1522 			pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1523 				i8042_aux_irq);
1524 			i8042_pnp_aux_irq = i8042_aux_irq;
1525 		}
1526 	}
1527 
1528 	i8042_data_reg = i8042_pnp_data_reg;
1529 	i8042_command_reg = i8042_pnp_command_reg;
1530 	i8042_kbd_irq = i8042_pnp_kbd_irq;
1531 	i8042_aux_irq = i8042_pnp_aux_irq;
1532 
1533 #ifdef CONFIG_X86
1534 	i8042_bypass_aux_irq_test = !pnp_data_busted &&
1535 				    dmi_check_system(i8042_dmi_laptop_table);
1536 #endif
1537 
1538 	return 0;
1539 }
1540 
1541 #else  /* !CONFIG_PNP */
1542 static inline int i8042_pnp_init(void) { return 0; }
1543 static inline void i8042_pnp_exit(void) { }
1544 #endif /* CONFIG_PNP */
1545 
1546 
1547 #ifdef CONFIG_X86
1548 static void __init i8042_check_quirks(void)
1549 {
1550 	const struct dmi_system_id *device_quirk_info;
1551 	uintptr_t quirks;
1552 
1553 	device_quirk_info = dmi_first_match(i8042_dmi_quirk_table);
1554 	if (!device_quirk_info)
1555 		return;
1556 
1557 	quirks = (uintptr_t)device_quirk_info->driver_data;
1558 
1559 	if (quirks & SERIO_QUIRK_NOKBD)
1560 		i8042_nokbd = true;
1561 	if (quirks & SERIO_QUIRK_NOAUX)
1562 		i8042_noaux = true;
1563 	if (quirks & SERIO_QUIRK_NOMUX)
1564 		i8042_nomux = true;
1565 	if (quirks & SERIO_QUIRK_FORCEMUX)
1566 		i8042_nomux = false;
1567 	if (quirks & SERIO_QUIRK_UNLOCK)
1568 		i8042_unlock = true;
1569 	if (quirks & SERIO_QUIRK_PROBE_DEFER)
1570 		i8042_probe_defer = true;
1571 	/* Honor module parameter when value is not default */
1572 	if (i8042_reset == I8042_RESET_DEFAULT) {
1573 		if (quirks & SERIO_QUIRK_RESET_ALWAYS)
1574 			i8042_reset = I8042_RESET_ALWAYS;
1575 		if (quirks & SERIO_QUIRK_RESET_NEVER)
1576 			i8042_reset = I8042_RESET_NEVER;
1577 	}
1578 	if (quirks & SERIO_QUIRK_DIECT)
1579 		i8042_direct = true;
1580 	if (quirks & SERIO_QUIRK_DUMBKBD)
1581 		i8042_dumbkbd = true;
1582 	if (quirks & SERIO_QUIRK_NOLOOP)
1583 		i8042_noloop = true;
1584 	if (quirks & SERIO_QUIRK_NOTIMEOUT)
1585 		i8042_notimeout = true;
1586 	if (quirks & SERIO_QUIRK_KBDRESET)
1587 		i8042_kbdreset = true;
1588 	if (quirks & SERIO_QUIRK_DRITEK)
1589 		i8042_dritek = true;
1590 #ifdef CONFIG_PNP
1591 	if (quirks & SERIO_QUIRK_NOPNP)
1592 		i8042_nopnp = true;
1593 #endif
1594 }
1595 #else
1596 static inline void i8042_check_quirks(void) {}
1597 #endif
1598 
1599 static int __init i8042_platform_init(void)
1600 {
1601 	int retval;
1602 
1603 #ifdef CONFIG_X86
1604 	u8 a20_on = 0xdf;
1605 	/* Just return if platform does not have i8042 controller */
1606 	if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1607 		return -ENODEV;
1608 #endif
1609 
1610 /*
1611  * On ix86 platforms touching the i8042 data register region can do really
1612  * bad things. Because of this the region is always reserved on ix86 boxes.
1613  *
1614  *	if (!request_region(I8042_DATA_REG, 16, "i8042"))
1615  *		return -EBUSY;
1616  */
1617 
1618 	i8042_kbd_irq = I8042_MAP_IRQ(1);
1619 	i8042_aux_irq = I8042_MAP_IRQ(12);
1620 
1621 #if defined(__ia64__)
1622 	i8042_reset = I8042_RESET_ALWAYS;
1623 #endif
1624 
1625 	i8042_check_quirks();
1626 
1627 	pr_debug("Active quirks (empty means none):%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1628 		i8042_nokbd ? " nokbd" : "",
1629 		i8042_noaux ? " noaux" : "",
1630 		i8042_nomux ? " nomux" : "",
1631 		i8042_unlock ? " unlock" : "",
1632 		i8042_probe_defer ? "probe_defer" : "",
1633 		i8042_reset == I8042_RESET_DEFAULT ?
1634 			"" : i8042_reset == I8042_RESET_ALWAYS ?
1635 				" reset_always" : " reset_never",
1636 		i8042_direct ? " direct" : "",
1637 		i8042_dumbkbd ? " dumbkbd" : "",
1638 		i8042_noloop ? " noloop" : "",
1639 		i8042_notimeout ? " notimeout" : "",
1640 		i8042_kbdreset ? " kbdreset" : "",
1641 #ifdef CONFIG_X86
1642 		i8042_dritek ? " dritek" : "",
1643 #else
1644 		"",
1645 #endif
1646 #ifdef CONFIG_PNP
1647 		i8042_nopnp ? " nopnp" : "");
1648 #else
1649 		"");
1650 #endif
1651 
1652 	retval = i8042_pnp_init();
1653 	if (retval)
1654 		return retval;
1655 
1656 #ifdef CONFIG_X86
1657 	/*
1658 	 * A20 was already enabled during early kernel init. But some buggy
1659 	 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1660 	 * resume from S3. So we do it here and hope that nothing breaks.
1661 	 */
1662 	i8042_command(&a20_on, 0x10d1);
1663 	i8042_command(NULL, 0x00ff);	/* Null command for SMM firmware */
1664 #endif /* CONFIG_X86 */
1665 
1666 	return retval;
1667 }
1668 
1669 static inline void i8042_platform_exit(void)
1670 {
1671 	i8042_pnp_exit();
1672 }
1673 
1674 #endif /* _I8042_ACPIPNPIO_H */
1675