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_DIRECT		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/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 		 * The Ayaneo Kun is a handheld device where some the buttons
1338 		 * are handled by an AT keyboard. The keyboard is usually
1339 		 * detected as raw, but sometimes, usually after a cold boot,
1340 		 * it is detected as translated. Make sure that the keyboard
1341 		 * is always in raw mode.
1342 		 */
1343 		.matches = {
1344 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"),
1345 			DMI_MATCH(DMI_BOARD_NAME, "KUN"),
1346 		},
1347 		.driver_data = (void *)(SERIO_QUIRK_DIRECT)
1348 	},
1349 	{ }
1350 };
1351 
1352 #ifdef CONFIG_PNP
1353 static const struct dmi_system_id i8042_dmi_laptop_table[] __initconst = {
1354 	{
1355 		.matches = {
1356 			DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1357 		},
1358 	},
1359 	{
1360 		.matches = {
1361 			DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
1362 		},
1363 	},
1364 	{
1365 		.matches = {
1366 			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
1367 		},
1368 	},
1369 	{
1370 		.matches = {
1371 			DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
1372 		},
1373 	},
1374 	{ }
1375 };
1376 #endif
1377 
1378 #endif /* CONFIG_X86 */
1379 
1380 #ifdef CONFIG_PNP
1381 #include <linux/pnp.h>
1382 
1383 static bool i8042_pnp_kbd_registered;
1384 static unsigned int i8042_pnp_kbd_devices;
1385 static bool i8042_pnp_aux_registered;
1386 static unsigned int i8042_pnp_aux_devices;
1387 
1388 static int i8042_pnp_command_reg;
1389 static int i8042_pnp_data_reg;
1390 static int i8042_pnp_kbd_irq;
1391 static int i8042_pnp_aux_irq;
1392 
1393 static char i8042_pnp_kbd_name[32];
1394 static char i8042_pnp_aux_name[32];
1395 
1396 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1397 {
1398 	strscpy(dst, "PNP:", dst_size);
1399 
1400 	while (id) {
1401 		strlcat(dst, " ", dst_size);
1402 		strlcat(dst, id->id, dst_size);
1403 		id = id->next;
1404 	}
1405 }
1406 
1407 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1408 {
1409 	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1410 		i8042_pnp_data_reg = pnp_port_start(dev,0);
1411 
1412 	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1413 		i8042_pnp_command_reg = pnp_port_start(dev, 1);
1414 
1415 	if (pnp_irq_valid(dev,0))
1416 		i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1417 
1418 	strscpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1419 	if (strlen(pnp_dev_name(dev))) {
1420 		strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1421 		strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1422 	}
1423 	i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1424 			       sizeof(i8042_kbd_firmware_id));
1425 	i8042_kbd_fwnode = dev_fwnode(&dev->dev);
1426 
1427 	/* Keyboard ports are always supposed to be wakeup-enabled */
1428 	device_set_wakeup_enable(&dev->dev, true);
1429 
1430 	i8042_pnp_kbd_devices++;
1431 	return 0;
1432 }
1433 
1434 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1435 {
1436 	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1437 		i8042_pnp_data_reg = pnp_port_start(dev,0);
1438 
1439 	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1440 		i8042_pnp_command_reg = pnp_port_start(dev, 1);
1441 
1442 	if (pnp_irq_valid(dev, 0))
1443 		i8042_pnp_aux_irq = pnp_irq(dev, 0);
1444 
1445 	strscpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1446 	if (strlen(pnp_dev_name(dev))) {
1447 		strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1448 		strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1449 	}
1450 	i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1451 			       sizeof(i8042_aux_firmware_id));
1452 
1453 	i8042_pnp_aux_devices++;
1454 	return 0;
1455 }
1456 
1457 static const struct pnp_device_id pnp_kbd_devids[] = {
1458 	{ .id = "PNP0300", .driver_data = 0 },
1459 	{ .id = "PNP0301", .driver_data = 0 },
1460 	{ .id = "PNP0302", .driver_data = 0 },
1461 	{ .id = "PNP0303", .driver_data = 0 },
1462 	{ .id = "PNP0304", .driver_data = 0 },
1463 	{ .id = "PNP0305", .driver_data = 0 },
1464 	{ .id = "PNP0306", .driver_data = 0 },
1465 	{ .id = "PNP0309", .driver_data = 0 },
1466 	{ .id = "PNP030a", .driver_data = 0 },
1467 	{ .id = "PNP030b", .driver_data = 0 },
1468 	{ .id = "PNP0320", .driver_data = 0 },
1469 	{ .id = "PNP0343", .driver_data = 0 },
1470 	{ .id = "PNP0344", .driver_data = 0 },
1471 	{ .id = "PNP0345", .driver_data = 0 },
1472 	{ .id = "CPQA0D7", .driver_data = 0 },
1473 	{ .id = "", },
1474 };
1475 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1476 
1477 static struct pnp_driver i8042_pnp_kbd_driver = {
1478 	.name           = "i8042 kbd",
1479 	.id_table       = pnp_kbd_devids,
1480 	.probe          = i8042_pnp_kbd_probe,
1481 	.driver         = {
1482 		.probe_type = PROBE_FORCE_SYNCHRONOUS,
1483 		.suppress_bind_attrs = true,
1484 	},
1485 };
1486 
1487 static const struct pnp_device_id pnp_aux_devids[] = {
1488 	{ .id = "AUI0200", .driver_data = 0 },
1489 	{ .id = "FJC6000", .driver_data = 0 },
1490 	{ .id = "FJC6001", .driver_data = 0 },
1491 	{ .id = "PNP0f03", .driver_data = 0 },
1492 	{ .id = "PNP0f0b", .driver_data = 0 },
1493 	{ .id = "PNP0f0e", .driver_data = 0 },
1494 	{ .id = "PNP0f12", .driver_data = 0 },
1495 	{ .id = "PNP0f13", .driver_data = 0 },
1496 	{ .id = "PNP0f19", .driver_data = 0 },
1497 	{ .id = "PNP0f1c", .driver_data = 0 },
1498 	{ .id = "SYN0801", .driver_data = 0 },
1499 	{ .id = "", },
1500 };
1501 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1502 
1503 static struct pnp_driver i8042_pnp_aux_driver = {
1504 	.name           = "i8042 aux",
1505 	.id_table       = pnp_aux_devids,
1506 	.probe          = i8042_pnp_aux_probe,
1507 	.driver         = {
1508 		.probe_type = PROBE_FORCE_SYNCHRONOUS,
1509 		.suppress_bind_attrs = true,
1510 	},
1511 };
1512 
1513 static void i8042_pnp_exit(void)
1514 {
1515 	if (i8042_pnp_kbd_registered) {
1516 		i8042_pnp_kbd_registered = false;
1517 		pnp_unregister_driver(&i8042_pnp_kbd_driver);
1518 	}
1519 
1520 	if (i8042_pnp_aux_registered) {
1521 		i8042_pnp_aux_registered = false;
1522 		pnp_unregister_driver(&i8042_pnp_aux_driver);
1523 	}
1524 }
1525 
1526 static int __init i8042_pnp_init(void)
1527 {
1528 	char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1529 	bool pnp_data_busted = false;
1530 	int err;
1531 
1532 	if (i8042_nopnp) {
1533 		pr_info("PNP detection disabled\n");
1534 		return 0;
1535 	}
1536 
1537 	err = pnp_register_driver(&i8042_pnp_kbd_driver);
1538 	if (!err)
1539 		i8042_pnp_kbd_registered = true;
1540 
1541 	err = pnp_register_driver(&i8042_pnp_aux_driver);
1542 	if (!err)
1543 		i8042_pnp_aux_registered = true;
1544 
1545 	if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1546 		i8042_pnp_exit();
1547 #if defined(__ia64__)
1548 		return -ENODEV;
1549 #else
1550 		pr_info("PNP: No PS/2 controller found.\n");
1551 #if defined(__loongarch__)
1552 		if (acpi_disabled == 0)
1553 			return -ENODEV;
1554 #else
1555 		if (x86_platform.legacy.i8042 !=
1556 				X86_LEGACY_I8042_EXPECTED_PRESENT)
1557 			return -ENODEV;
1558 #endif
1559 		pr_info("Probing ports directly.\n");
1560 		return 0;
1561 #endif
1562 	}
1563 
1564 	if (i8042_pnp_kbd_devices)
1565 		snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1566 			"%d", i8042_pnp_kbd_irq);
1567 	if (i8042_pnp_aux_devices)
1568 		snprintf(aux_irq_str, sizeof(aux_irq_str),
1569 			"%d", i8042_pnp_aux_irq);
1570 
1571 	pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1572 		i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1573 		i8042_pnp_aux_name,
1574 		i8042_pnp_data_reg, i8042_pnp_command_reg,
1575 		kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1576 		aux_irq_str);
1577 
1578 #if defined(__ia64__)
1579 	if (!i8042_pnp_kbd_devices)
1580 		i8042_nokbd = true;
1581 	if (!i8042_pnp_aux_devices)
1582 		i8042_noaux = true;
1583 #endif
1584 
1585 	if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1586 	      i8042_pnp_data_reg != i8042_data_reg) ||
1587 	    !i8042_pnp_data_reg) {
1588 		pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1589 			i8042_pnp_data_reg, i8042_data_reg);
1590 		i8042_pnp_data_reg = i8042_data_reg;
1591 		pnp_data_busted = true;
1592 	}
1593 
1594 	if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1595 	      i8042_pnp_command_reg != i8042_command_reg) ||
1596 	    !i8042_pnp_command_reg) {
1597 		pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1598 			i8042_pnp_command_reg, i8042_command_reg);
1599 		i8042_pnp_command_reg = i8042_command_reg;
1600 		pnp_data_busted = true;
1601 	}
1602 
1603 	if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1604 		pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1605 			i8042_kbd_irq);
1606 		i8042_pnp_kbd_irq = i8042_kbd_irq;
1607 		pnp_data_busted = true;
1608 	}
1609 
1610 	if (!i8042_noaux && !i8042_pnp_aux_irq) {
1611 		if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1612 			pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1613 				"if this is incorrect please boot with i8042.nopnp\n");
1614 			i8042_noaux = true;
1615 		} else {
1616 			pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1617 				i8042_aux_irq);
1618 			i8042_pnp_aux_irq = i8042_aux_irq;
1619 		}
1620 	}
1621 
1622 	i8042_data_reg = i8042_pnp_data_reg;
1623 	i8042_command_reg = i8042_pnp_command_reg;
1624 	i8042_kbd_irq = i8042_pnp_kbd_irq;
1625 	i8042_aux_irq = i8042_pnp_aux_irq;
1626 
1627 #ifdef CONFIG_X86
1628 	i8042_bypass_aux_irq_test = !pnp_data_busted &&
1629 				    dmi_check_system(i8042_dmi_laptop_table);
1630 #endif
1631 
1632 	return 0;
1633 }
1634 
1635 #else  /* !CONFIG_PNP */
1636 static inline int i8042_pnp_init(void) { return 0; }
1637 static inline void i8042_pnp_exit(void) { }
1638 #endif /* CONFIG_PNP */
1639 
1640 
1641 #ifdef CONFIG_X86
1642 static void __init i8042_check_quirks(void)
1643 {
1644 	const struct dmi_system_id *device_quirk_info;
1645 	uintptr_t quirks;
1646 
1647 	device_quirk_info = dmi_first_match(i8042_dmi_quirk_table);
1648 	if (!device_quirk_info)
1649 		return;
1650 
1651 	quirks = (uintptr_t)device_quirk_info->driver_data;
1652 
1653 	if (quirks & SERIO_QUIRK_NOKBD)
1654 		i8042_nokbd = true;
1655 	if (quirks & SERIO_QUIRK_NOAUX)
1656 		i8042_noaux = true;
1657 	if (quirks & SERIO_QUIRK_NOMUX)
1658 		i8042_nomux = true;
1659 	if (quirks & SERIO_QUIRK_FORCEMUX)
1660 		i8042_nomux = false;
1661 	if (quirks & SERIO_QUIRK_UNLOCK)
1662 		i8042_unlock = true;
1663 	if (quirks & SERIO_QUIRK_PROBE_DEFER)
1664 		i8042_probe_defer = true;
1665 	/* Honor module parameter when value is not default */
1666 	if (i8042_reset == I8042_RESET_DEFAULT) {
1667 		if (quirks & SERIO_QUIRK_RESET_ALWAYS)
1668 			i8042_reset = I8042_RESET_ALWAYS;
1669 		if (quirks & SERIO_QUIRK_RESET_NEVER)
1670 			i8042_reset = I8042_RESET_NEVER;
1671 	}
1672 	if (quirks & SERIO_QUIRK_DIRECT)
1673 		i8042_direct = true;
1674 	if (quirks & SERIO_QUIRK_DUMBKBD)
1675 		i8042_dumbkbd = true;
1676 	if (quirks & SERIO_QUIRK_NOLOOP)
1677 		i8042_noloop = true;
1678 	if (quirks & SERIO_QUIRK_NOTIMEOUT)
1679 		i8042_notimeout = true;
1680 	if (quirks & SERIO_QUIRK_KBDRESET)
1681 		i8042_kbdreset = true;
1682 	if (quirks & SERIO_QUIRK_DRITEK)
1683 		i8042_dritek = true;
1684 #ifdef CONFIG_PNP
1685 	if (quirks & SERIO_QUIRK_NOPNP)
1686 		i8042_nopnp = true;
1687 #endif
1688 }
1689 #else
1690 static inline void i8042_check_quirks(void) {}
1691 #endif
1692 
1693 static int __init i8042_platform_init(void)
1694 {
1695 	int retval;
1696 
1697 #ifdef CONFIG_X86
1698 	u8 a20_on = 0xdf;
1699 	/* Just return if platform does not have i8042 controller */
1700 	if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1701 		return -ENODEV;
1702 #endif
1703 
1704 /*
1705  * On ix86 platforms touching the i8042 data register region can do really
1706  * bad things. Because of this the region is always reserved on ix86 boxes.
1707  *
1708  *	if (!request_region(I8042_DATA_REG, 16, "i8042"))
1709  *		return -EBUSY;
1710  */
1711 
1712 	i8042_kbd_irq = I8042_MAP_IRQ(1);
1713 	i8042_aux_irq = I8042_MAP_IRQ(12);
1714 
1715 #if defined(__ia64__)
1716 	i8042_reset = I8042_RESET_ALWAYS;
1717 #endif
1718 
1719 	i8042_check_quirks();
1720 
1721 	pr_debug("Active quirks (empty means none):%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1722 		i8042_nokbd ? " nokbd" : "",
1723 		i8042_noaux ? " noaux" : "",
1724 		i8042_nomux ? " nomux" : "",
1725 		i8042_unlock ? " unlock" : "",
1726 		i8042_probe_defer ? "probe_defer" : "",
1727 		i8042_reset == I8042_RESET_DEFAULT ?
1728 			"" : i8042_reset == I8042_RESET_ALWAYS ?
1729 				" reset_always" : " reset_never",
1730 		i8042_direct ? " direct" : "",
1731 		i8042_dumbkbd ? " dumbkbd" : "",
1732 		i8042_noloop ? " noloop" : "",
1733 		i8042_notimeout ? " notimeout" : "",
1734 		i8042_kbdreset ? " kbdreset" : "",
1735 #ifdef CONFIG_X86
1736 		i8042_dritek ? " dritek" : "",
1737 #else
1738 		"",
1739 #endif
1740 #ifdef CONFIG_PNP
1741 		i8042_nopnp ? " nopnp" : "");
1742 #else
1743 		"");
1744 #endif
1745 
1746 	retval = i8042_pnp_init();
1747 	if (retval)
1748 		return retval;
1749 
1750 #ifdef CONFIG_X86
1751 	/*
1752 	 * A20 was already enabled during early kernel init. But some buggy
1753 	 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1754 	 * resume from S3. So we do it here and hope that nothing breaks.
1755 	 */
1756 	i8042_command(&a20_on, 0x10d1);
1757 	i8042_command(NULL, 0x00ff);	/* Null command for SMM firmware */
1758 #endif /* CONFIG_X86 */
1759 
1760 	return retval;
1761 }
1762 
1763 static inline void i8042_platform_exit(void)
1764 {
1765 	i8042_pnp_exit();
1766 }
1767 
1768 #endif /* _I8042_ACPIPNPIO_H */
1769