xref: /linux/drivers/input/serio/i8042-acpipnpio.h (revision 7f71507851fc7764b36a3221839607d3a45c2025) 
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 #define SERIO_QUIRK_FORCENORESTORE	BIT(15)
87 
88 /* Quirk table for different mainboards. Options similar or identical to i8042
89  * module parameters.
90  * ORDERING IS IMPORTANT! The first match will be apllied and the rest ignored.
91  * This allows entries to overwrite vendor wide quirks on a per device basis.
92  * Where this is irrelevant, entries are sorted case sensitive by DMI_SYS_VENDOR
93  * and/or DMI_BOARD_VENDOR to make it easier to avoid duplicate entries.
94  */
95 static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
96 	{
97 		.matches = {
98 			DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
99 			DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
100 		},
101 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
102 	},
103 	{
104 		.matches = {
105 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
106 			DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
107 		},
108 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
109 	},
110 	{
111 		/* Asus X450LCP */
112 		.matches = {
113 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
114 			DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
115 		},
116 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_NEVER)
117 	},
118 	{
119 		/* ASUS ZenBook UX425UA/QA */
120 		.matches = {
121 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
122 			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425"),
123 		},
124 		.driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
125 	},
126 	{
127 		/* ASUS ZenBook UM325UA/QA */
128 		.matches = {
129 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
130 			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325"),
131 		},
132 		.driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
133 	},
134 	/*
135 	 * On some Asus laptops, just running self tests cause problems.
136 	 */
137 	{
138 		.matches = {
139 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
140 			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
141 		},
142 		.driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
143 	},
144 	{
145 		.matches = {
146 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
147 			DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
148 		},
149 		.driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
150 	},
151 	{
152 		/* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
153 		.matches = {
154 			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
155 			DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
156 			DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
157 		},
158 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
159 	},
160 	{
161 		/* ASUS G1S */
162 		.matches = {
163 			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
164 			DMI_MATCH(DMI_BOARD_NAME, "G1S"),
165 			DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
166 		},
167 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
168 	},
169 	{
170 		.matches = {
171 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
172 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
173 		},
174 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
175 	},
176 	{
177 		/* Acer Aspire 5710 */
178 		.matches = {
179 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
180 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
181 		},
182 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
183 	},
184 	{
185 		/* Acer Aspire 7738 */
186 		.matches = {
187 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
188 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
189 		},
190 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
191 	},
192 	{
193 		/* Acer Aspire 5536 */
194 		.matches = {
195 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
196 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
197 			DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
198 		},
199 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
200 	},
201 	{
202 		/*
203 		 * Acer Aspire 5738z
204 		 * Touchpad stops working in mux mode when dis- + re-enabled
205 		 * with the touchpad enable/disable toggle hotkey
206 		 */
207 		.matches = {
208 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
209 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
210 		},
211 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
212 	},
213 	{
214 		/* Acer Aspire One 150 */
215 		.matches = {
216 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
217 			DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
218 		},
219 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
220 	},
221 	{
222 		/* Acer Aspire One 532h */
223 		.matches = {
224 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
225 			DMI_MATCH(DMI_PRODUCT_NAME, "AO532h"),
226 		},
227 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
228 	},
229 	{
230 		.matches = {
231 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
232 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
233 		},
234 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
235 	},
236 	{
237 		.matches = {
238 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
239 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
240 		},
241 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
242 	},
243 	{
244 		.matches = {
245 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
246 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
247 		},
248 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
249 	},
250 	{
251 		.matches = {
252 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
253 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
254 		},
255 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
256 	},
257 	{
258 		.matches = {
259 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
260 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
261 		},
262 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
263 	},
264 	{
265 		.matches = {
266 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
267 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
268 		},
269 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
270 	},
271 	{
272 		.matches = {
273 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
274 			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
275 		},
276 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
277 	},
278 	/*
279 	 * Some Wistron based laptops need us to explicitly enable the 'Dritek
280 	 * keyboard extension' to make their extra keys start generating scancodes.
281 	 * Originally, this was just confined to older laptops, but a few Acer laptops
282 	 * have turned up in 2007 that also need this again.
283 	 */
284 	{
285 		/* Acer Aspire 5100 */
286 		.matches = {
287 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
288 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
289 		},
290 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
291 	},
292 	{
293 		/* Acer Aspire 5610 */
294 		.matches = {
295 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
296 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
297 		},
298 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
299 	},
300 	{
301 		/* Acer Aspire 5630 */
302 		.matches = {
303 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
304 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
305 		},
306 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
307 	},
308 	{
309 		/* Acer Aspire 5650 */
310 		.matches = {
311 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
312 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
313 		},
314 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
315 	},
316 	{
317 		/* Acer Aspire 5680 */
318 		.matches = {
319 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
320 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
321 		},
322 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
323 	},
324 	{
325 		/* Acer Aspire 5720 */
326 		.matches = {
327 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
328 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
329 		},
330 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
331 	},
332 	{
333 		/* Acer Aspire 9110 */
334 		.matches = {
335 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
336 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
337 		},
338 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
339 	},
340 	{
341 		/* Acer TravelMate 660 */
342 		.matches = {
343 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
344 			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
345 		},
346 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
347 	},
348 	{
349 		/* Acer TravelMate 2490 */
350 		.matches = {
351 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
352 			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
353 		},
354 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
355 	},
356 	{
357 		/* Acer TravelMate 4280 */
358 		.matches = {
359 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
360 			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
361 		},
362 		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
363 	},
364 	{
365 		/* Acer TravelMate P459-G2-M */
366 		.matches = {
367 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
368 			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate P459-G2-M"),
369 		},
370 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
371 	},
372 	{
373 		/* Amoi M636/A737 */
374 		.matches = {
375 			DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
376 			DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
377 		},
378 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
379 	},
380 	{
381 		.matches = {
382 			DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
383 			DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
384 		},
385 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
386 	},
387 	{
388 		/* Compal HEL80I */
389 		.matches = {
390 			DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
391 			DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
392 		},
393 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
394 	},
395 	{
396 		.matches = {
397 			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
398 			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
399 			DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
400 		},
401 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
402 	},
403 	{
404 		.matches = {
405 			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
406 			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
407 			DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
408 		},
409 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
410 	},
411 	{
412 		/* Advent 4211 */
413 		.matches = {
414 			DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
415 			DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
416 		},
417 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
418 	},
419 	{
420 		/* Dell Embedded Box PC 3000 */
421 		.matches = {
422 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
423 			DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
424 		},
425 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
426 	},
427 	{
428 		/* Dell XPS M1530 */
429 		.matches = {
430 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
431 			DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
432 		},
433 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
434 	},
435 	{
436 		/* Dell Vostro 1510 */
437 		.matches = {
438 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
439 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
440 		},
441 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
442 	},
443 	{
444 		/* Dell Vostro V13 */
445 		.matches = {
446 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
447 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
448 		},
449 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
450 	},
451 	{
452 		/* Dell Vostro 1320 */
453 		.matches = {
454 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
455 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
456 		},
457 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
458 	},
459 	{
460 		/* Dell Vostro 1520 */
461 		.matches = {
462 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
463 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
464 		},
465 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
466 	},
467 	{
468 		/* Dell Vostro 1720 */
469 		.matches = {
470 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
471 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
472 		},
473 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
474 	},
475 	{
476 		/* Entroware Proteus */
477 		.matches = {
478 			DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
479 			DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
480 			DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
481 		},
482 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS)
483 	},
484 	/*
485 	 * Some Fujitsu notebooks are having trouble with touchpads if
486 	 * active multiplexing mode is activated. Luckily they don't have
487 	 * external PS/2 ports so we can safely disable it.
488 	 * ... apparently some Toshibas don't like MUX mode either and
489 	 * die horrible death on reboot.
490 	 */
491 	{
492 		/* Fujitsu Lifebook P7010/P7010D */
493 		.matches = {
494 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
495 			DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
496 		},
497 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
498 	},
499 	{
500 		/* Fujitsu Lifebook P5020D */
501 		.matches = {
502 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
503 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
504 		},
505 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
506 	},
507 	{
508 		/* Fujitsu Lifebook S2000 */
509 		.matches = {
510 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
511 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
512 		},
513 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
514 	},
515 	{
516 		/* Fujitsu Lifebook S6230 */
517 		.matches = {
518 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
519 			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
520 		},
521 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
522 	},
523 	{
524 		/* Fujitsu Lifebook T725 laptop */
525 		.matches = {
526 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
527 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
528 		},
529 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
530 	},
531 	{
532 		/* Fujitsu Lifebook U745 */
533 		.matches = {
534 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
535 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
536 		},
537 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
538 	},
539 	{
540 		/* Fujitsu T70H */
541 		.matches = {
542 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
543 			DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
544 		},
545 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
546 	},
547 	{
548 		/* Fujitsu A544 laptop */
549 		/* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
550 		.matches = {
551 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
552 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
553 		},
554 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
555 	},
556 	{
557 		/* Fujitsu AH544 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 AH544"),
562 		},
563 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
564 	},
565 	{
566 		/* Fujitsu U574 laptop */
567 		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
568 		.matches = {
569 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
570 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
571 		},
572 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
573 	},
574 	{
575 		/* Fujitsu UH554 laptop */
576 		.matches = {
577 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
578 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
579 		},
580 		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
581 	},
582 	{
583 		/* Fujitsu Lifebook P7010 */
584 		.matches = {
585 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
586 			DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
587 		},
588 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
589 	},
590 	{
591 		/* Fujitsu-Siemens Lifebook T3010 */
592 		.matches = {
593 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
594 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
595 		},
596 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
597 	},
598 	{
599 		/* Fujitsu-Siemens Lifebook E4010 */
600 		.matches = {
601 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
602 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
603 		},
604 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
605 	},
606 	{
607 		/* Fujitsu-Siemens Amilo Pro 2010 */
608 		.matches = {
609 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
610 			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
611 		},
612 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
613 	},
614 	{
615 		/* Fujitsu-Siemens Amilo Pro 2030 */
616 		.matches = {
617 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
618 			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
619 		},
620 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
621 	},
622 	{
623 		/* Fujitsu Lifebook A574/H */
624 		.matches = {
625 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
626 			DMI_MATCH(DMI_PRODUCT_NAME, "FMVA0501PZ"),
627 		},
628 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
629 	},
630 	{
631 		/* Fujitsu Lifebook E756 */
632 		/* https://bugzilla.suse.com/show_bug.cgi?id=1229056 */
633 		.matches = {
634 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
635 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E756"),
636 		},
637 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
638 	},
639 	{
640 		/* Fujitsu Lifebook E5411 */
641 		.matches = {
642 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU CLIENT COMPUTING LIMITED"),
643 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E5411"),
644 		},
645 		.driver_data = (void *)(SERIO_QUIRK_NOAUX)
646 	},
647 	{
648 		/* Fujitsu Lifebook U728 */
649 		.matches = {
650 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
651 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U728"),
652 		},
653 		.driver_data = (void *)(SERIO_QUIRK_NOAUX)
654 	},
655 	{
656 		/* Gigabyte M912 */
657 		.matches = {
658 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
659 			DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
660 			DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
661 		},
662 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
663 	},
664 	{
665 		/* Gigabyte Spring Peak - defines wrong chassis type */
666 		.matches = {
667 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
668 			DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
669 		},
670 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
671 	},
672 	{
673 		/* Gigabyte T1005 - defines wrong chassis type ("Other") */
674 		.matches = {
675 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
676 			DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
677 		},
678 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
679 	},
680 	{
681 		/* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
682 		.matches = {
683 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
684 			DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
685 		},
686 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
687 	},
688 	/*
689 	 * Some laptops need keyboard reset before probing for the trackpad to get
690 	 * it detected, initialised & finally work.
691 	 */
692 	{
693 		/* Gigabyte P35 v2 - Elantech touchpad */
694 		.matches = {
695 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
696 			DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
697 		},
698 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
699 	},
700 		{
701 		/* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
702 		.matches = {
703 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
704 			DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
705 		},
706 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
707 	},
708 	{
709 		/* Gigabyte P34 - Elantech touchpad */
710 		.matches = {
711 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
712 			DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
713 		},
714 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
715 	},
716 	{
717 		/* Gigabyte P57 - Elantech touchpad */
718 		.matches = {
719 			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
720 			DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
721 		},
722 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
723 	},
724 	{
725 		/* Gericom Bellagio */
726 		.matches = {
727 			DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
728 			DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
729 		},
730 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
731 	},
732 	{
733 		/* Gigabyte M1022M netbook */
734 		.matches = {
735 			DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
736 			DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
737 			DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
738 		},
739 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
740 	},
741 	{
742 		.matches = {
743 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
744 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
745 			DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
746 		},
747 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
748 	},
749 	{
750 		/*
751 		 * HP Pavilion DV4017EA -
752 		 * errors on MUX ports are reported without raising AUXDATA
753 		 * causing "spurious NAK" messages.
754 		 */
755 		.matches = {
756 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
757 			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
758 		},
759 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
760 	},
761 	{
762 		/*
763 		 * HP Pavilion ZT1000 -
764 		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
765 		 */
766 		.matches = {
767 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
768 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
769 			DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
770 		},
771 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
772 	},
773 	{
774 		/*
775 		 * HP Pavilion DV4270ca -
776 		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
777 		 */
778 		.matches = {
779 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
780 			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
781 		},
782 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
783 	},
784 	{
785 		/* Newer HP Pavilion dv4 models */
786 		.matches = {
787 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
788 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
789 		},
790 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
791 	},
792 	{
793 		/* IBM 2656 */
794 		.matches = {
795 			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
796 			DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
797 		},
798 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
799 	},
800 	{
801 		/* Avatar AVIU-145A6 */
802 		.matches = {
803 			DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
804 			DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
805 		},
806 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
807 	},
808 	{
809 		/* Intel MBO Desktop D845PESV */
810 		.matches = {
811 			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
812 			DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
813 		},
814 		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
815 	},
816 	{
817 		/*
818 		 * Intel NUC D54250WYK - does not have i8042 controller but
819 		 * declares PS/2 devices in DSDT.
820 		 */
821 		.matches = {
822 			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
823 			DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
824 		},
825 		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
826 	},
827 	{
828 		/* Lenovo 3000 n100 */
829 		.matches = {
830 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
831 			DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
832 		},
833 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
834 	},
835 	{
836 		/* Lenovo XiaoXin Air 12 */
837 		.matches = {
838 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
839 			DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
840 		},
841 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
842 	},
843 	{
844 		/* Lenovo LaVie Z */
845 		.matches = {
846 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
847 			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
848 		},
849 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
850 	},
851 	{
852 		/* Lenovo Ideapad U455 */
853 		.matches = {
854 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
855 			DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
856 		},
857 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
858 	},
859 	{
860 		/* Lenovo ThinkPad L460 */
861 		.matches = {
862 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
863 			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
864 		},
865 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
866 	},
867 	{
868 		/* Lenovo ThinkPad Twist S230u */
869 		.matches = {
870 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
871 			DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
872 		},
873 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
874 	},
875 	{
876 		/* LG Electronics X110 */
877 		.matches = {
878 			DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
879 			DMI_MATCH(DMI_BOARD_NAME, "X110"),
880 		},
881 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
882 	},
883 	{
884 		/* Medion Akoya Mini E1210 */
885 		.matches = {
886 			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
887 			DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
888 		},
889 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
890 	},
891 	{
892 		/* Medion Akoya E1222 */
893 		.matches = {
894 			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
895 			DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
896 		},
897 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
898 	},
899 	{
900 		/* MSI Wind U-100 */
901 		.matches = {
902 			DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
903 			DMI_MATCH(DMI_BOARD_NAME, "U-100"),
904 		},
905 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOPNP)
906 	},
907 	{
908 		/*
909 		 * No data is coming from the touchscreen unless KBC
910 		 * is in legacy mode.
911 		 */
912 		/* Panasonic CF-29 */
913 		.matches = {
914 			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
915 			DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
916 		},
917 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
918 	},
919 	{
920 		/* Medion Akoya E7225 */
921 		.matches = {
922 			DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
923 			DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
924 			DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
925 		},
926 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
927 	},
928 	{
929 		/* Microsoft Virtual Machine */
930 		.matches = {
931 			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
932 			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
933 			DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
934 		},
935 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
936 	},
937 	{
938 		/* Medion MAM 2070 */
939 		.matches = {
940 			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
941 			DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
942 			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
943 		},
944 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
945 	},
946 	{
947 		/* TUXEDO BU1406 */
948 		.matches = {
949 			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
950 			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
951 		},
952 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
953 	},
954 	{
955 		/* OQO Model 01 */
956 		.matches = {
957 			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
958 			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
959 			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
960 		},
961 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
962 	},
963 	{
964 		.matches = {
965 			DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
966 			DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
967 		},
968 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
969 	},
970 	{
971 		/* Acer Aspire 5 A515 */
972 		.matches = {
973 			DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
974 			DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
975 		},
976 		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
977 	},
978 	{
979 		/* ULI EV4873 - AUX LOOP does not work properly */
980 		.matches = {
981 			DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
982 			DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
983 			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
984 		},
985 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
986 	},
987 	{
988 		/*
989 		 * Arima-Rioworks HDAMB -
990 		 * AUX LOOP command does not raise AUX IRQ
991 		 */
992 		.matches = {
993 			DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
994 			DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
995 			DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
996 		},
997 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
998 	},
999 	{
1000 		/* Sharp Actius MM20 */
1001 		.matches = {
1002 			DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
1003 			DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
1004 		},
1005 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1006 	},
1007 	{
1008 		/*
1009 		 * Sony Vaio FZ-240E -
1010 		 * reset and GET ID commands issued via KBD port are
1011 		 * sometimes being delivered to AUX3.
1012 		 */
1013 		.matches = {
1014 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1015 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
1016 		},
1017 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1018 	},
1019 	{
1020 		/*
1021 		 * Most (all?) VAIOs do not have external PS/2 ports nor
1022 		 * they implement active multiplexing properly, and
1023 		 * MUX discovery usually messes up keyboard/touchpad.
1024 		 */
1025 		.matches = {
1026 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1027 			DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
1028 		},
1029 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1030 	},
1031 	{
1032 		/* Sony Vaio FS-115b */
1033 		.matches = {
1034 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1035 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
1036 		},
1037 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1038 	},
1039 	{
1040 		/*
1041 		 * Sony Vaio VGN-CS series require MUX or the touch sensor
1042 		 * buttons will disturb touchpad operation
1043 		 */
1044 		.matches = {
1045 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1046 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
1047 		},
1048 		.driver_data = (void *)(SERIO_QUIRK_FORCEMUX)
1049 	},
1050 	{
1051 		.matches = {
1052 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1053 			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
1054 		},
1055 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1056 	},
1057 	{
1058 		.matches = {
1059 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1060 			DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
1061 		},
1062 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1063 	},
1064 	{
1065 		.matches = {
1066 			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
1067 			DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
1068 		},
1069 		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
1070 	},
1071 	/*
1072 	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1073 	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1074 	 * none of them have an external PS/2 port so this can safely be set for
1075 	 * all of them. These two are based on a Clevo design, but have the
1076 	 * board_name changed.
1077 	 */
1078 	{
1079 		.matches = {
1080 			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1081 			DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
1082 		},
1083 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1084 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1085 	},
1086 	{
1087 		.matches = {
1088 			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
1089 			DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
1090 		},
1091 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1092 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1093 	},
1094 	{
1095 		/* Mivvy M310 */
1096 		.matches = {
1097 			DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
1098 			DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
1099 		},
1100 		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
1101 	},
1102 	/*
1103 	 * Some laptops need keyboard reset before probing for the trackpad to get
1104 	 * it detected, initialised & finally work.
1105 	 */
1106 	{
1107 		/* Schenker XMG C504 - Elantech touchpad */
1108 		.matches = {
1109 			DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
1110 			DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
1111 		},
1112 		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
1113 	},
1114 	{
1115 		/* Blue FB5601 */
1116 		.matches = {
1117 			DMI_MATCH(DMI_SYS_VENDOR, "blue"),
1118 			DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
1119 			DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
1120 		},
1121 		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
1122 	},
1123 	/*
1124 	 * Some TongFang barebones have touchpad and/or keyboard issues after
1125 	 * suspend fixable with nomux + reset + noloop + nopnp. Luckily, none of
1126 	 * them have an external PS/2 port so this can safely be set for all of
1127 	 * them.
1128 	 * TongFang barebones come with board_vendor and/or system_vendor set to
1129 	 * a different value for each individual reseller. The only somewhat
1130 	 * universal way to identify them is by board_name.
1131 	 */
1132 	{
1133 		.matches = {
1134 			DMI_MATCH(DMI_BOARD_NAME, "GM6XGxX"),
1135 		},
1136 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1137 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1138 	},
1139 	{
1140 		.matches = {
1141 			DMI_MATCH(DMI_BOARD_NAME, "GMxXGxx"),
1142 		},
1143 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1144 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1145 	},
1146 	{
1147 		.matches = {
1148 			DMI_MATCH(DMI_BOARD_NAME, "GMxXGxX"),
1149 		},
1150 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1151 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1152 	},
1153 	{
1154 		.matches = {
1155 			DMI_MATCH(DMI_BOARD_NAME, "GMxHGxx"),
1156 		},
1157 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1158 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1159 	},
1160 	/*
1161 	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
1162 	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
1163 	 * none of them have an external PS/2 port so this can safely be set for
1164 	 * all of them.
1165 	 * Clevo barebones come with board_vendor and/or system_vendor set to
1166 	 * either the very generic string "Notebook" and/or a different value
1167 	 * for each individual reseller. The only somewhat universal way to
1168 	 * identify them is by board_name.
1169 	 */
1170 	{
1171 		.matches = {
1172 			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71A"),
1173 		},
1174 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1175 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1176 	},
1177 	{
1178 		.matches = {
1179 			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71B"),
1180 		},
1181 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1182 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1183 	},
1184 	{
1185 		.matches = {
1186 			DMI_MATCH(DMI_BOARD_NAME, "N140CU"),
1187 		},
1188 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1189 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1190 	},
1191 	{
1192 		.matches = {
1193 			DMI_MATCH(DMI_BOARD_NAME, "N141CU"),
1194 		},
1195 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1196 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1197 	},
1198 	{
1199 		.matches = {
1200 			DMI_MATCH(DMI_BOARD_NAME, "N150CU"),
1201 		},
1202 		.driver_data = (void *)(SERIO_QUIRK_FORCENORESTORE)
1203 	},
1204 	{
1205 		.matches = {
1206 			DMI_MATCH(DMI_BOARD_NAME, "NH5xAx"),
1207 		},
1208 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1209 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1210 	},
1211 	{
1212 		/*
1213 		 * Setting SERIO_QUIRK_NOMUX or SERIO_QUIRK_RESET_ALWAYS makes
1214 		 * the keyboard very laggy for ~5 seconds after boot and
1215 		 * sometimes also after resume.
1216 		 * However both are required for the keyboard to not fail
1217 		 * completely sometimes after boot or resume.
1218 		 */
1219 		.matches = {
1220 			DMI_MATCH(DMI_BOARD_NAME, "NHxxRZQ"),
1221 		},
1222 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1223 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1224 	},
1225 	{
1226 		.matches = {
1227 			DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
1228 		},
1229 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1230 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1231 	},
1232 	/*
1233 	 * At least one modern Clevo barebone has the touchpad connected both
1234 	 * via PS/2 and i2c interface. This causes a race condition between the
1235 	 * psmouse and i2c-hid driver. Since the full capability of the touchpad
1236 	 * is available via the i2c interface and the device has no external
1237 	 * PS/2 port, it is safe to just ignore all ps2 mouses here to avoid
1238 	 * this issue. The known affected device is the
1239 	 * TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU which comes with one of
1240 	 * the two different dmi strings below. NS50MU is not a typo!
1241 	 */
1242 	{
1243 		.matches = {
1244 			DMI_MATCH(DMI_BOARD_NAME, "NS50MU"),
1245 		},
1246 		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1247 					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1248 					SERIO_QUIRK_NOPNP)
1249 	},
1250 	{
1251 		.matches = {
1252 			DMI_MATCH(DMI_BOARD_NAME, "NS50_70MU"),
1253 		},
1254 		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
1255 					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
1256 					SERIO_QUIRK_NOPNP)
1257 	},
1258 	{
1259 		.matches = {
1260 			DMI_MATCH(DMI_BOARD_NAME, "NS5x_7xPU"),
1261 		},
1262 		.driver_data = (void *)(SERIO_QUIRK_NOAUX)
1263 	},
1264 	{
1265 		.matches = {
1266 			DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
1267 		},
1268 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1269 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1270 	},
1271 	{
1272 		/*
1273 		 * This is only a partial board_name and might be followed by
1274 		 * another letter or number. DMI_MATCH however does do partial
1275 		 * matching.
1276 		 */
1277 		.matches = {
1278 			DMI_MATCH(DMI_PRODUCT_NAME, "P65xH"),
1279 		},
1280 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1281 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1282 	},
1283 	{
1284 		/* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
1285 		.matches = {
1286 			DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
1287 		},
1288 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1289 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1290 	},
1291 	{
1292 		/*
1293 		 * This is only a partial board_name and might be followed by
1294 		 * another letter or number. DMI_MATCH however does do partial
1295 		 * matching.
1296 		 */
1297 		.matches = {
1298 			DMI_MATCH(DMI_PRODUCT_NAME, "P65_P67H"),
1299 		},
1300 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1301 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1302 	},
1303 	{
1304 		/*
1305 		 * This is only a partial board_name and might be followed by
1306 		 * another letter or number. DMI_MATCH however does do partial
1307 		 * matching.
1308 		 */
1309 		.matches = {
1310 			DMI_MATCH(DMI_PRODUCT_NAME, "P65_67RP"),
1311 		},
1312 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1313 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1314 	},
1315 	{
1316 		/*
1317 		 * This is only a partial board_name and might be followed by
1318 		 * another letter or number. DMI_MATCH however does do partial
1319 		 * matching.
1320 		 */
1321 		.matches = {
1322 			DMI_MATCH(DMI_PRODUCT_NAME, "P65_67RS"),
1323 		},
1324 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1325 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1326 	},
1327 	{
1328 		/*
1329 		 * This is only a partial board_name and might be followed by
1330 		 * another letter or number. DMI_MATCH however does do partial
1331 		 * matching.
1332 		 */
1333 		.matches = {
1334 			DMI_MATCH(DMI_PRODUCT_NAME, "P67xRP"),
1335 		},
1336 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1337 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1338 	},
1339 	{
1340 		.matches = {
1341 			DMI_MATCH(DMI_BOARD_NAME, "PB50_70DFx,DDx"),
1342 		},
1343 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1344 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1345 	},
1346 	{
1347 		.matches = {
1348 			DMI_MATCH(DMI_BOARD_NAME, "PCX0DX"),
1349 		},
1350 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1351 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1352 	},
1353 	/* See comment on TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU above */
1354 	{
1355 		.matches = {
1356 			DMI_MATCH(DMI_BOARD_NAME, "PD5x_7xPNP_PNR_PNN_PNT"),
1357 		},
1358 		.driver_data = (void *)(SERIO_QUIRK_NOAUX)
1359 	},
1360 	{
1361 		.matches = {
1362 			DMI_MATCH(DMI_BOARD_NAME, "X170SM"),
1363 		},
1364 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1365 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1366 	},
1367 	{
1368 		.matches = {
1369 			DMI_MATCH(DMI_BOARD_NAME, "X170KM-G"),
1370 		},
1371 		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
1372 					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
1373 	},
1374 	{
1375 		/*
1376 		 * The Ayaneo Kun is a handheld device where some the buttons
1377 		 * are handled by an AT keyboard. The keyboard is usually
1378 		 * detected as raw, but sometimes, usually after a cold boot,
1379 		 * it is detected as translated. Make sure that the keyboard
1380 		 * is always in raw mode.
1381 		 */
1382 		.matches = {
1383 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"),
1384 			DMI_MATCH(DMI_BOARD_NAME, "KUN"),
1385 		},
1386 		.driver_data = (void *)(SERIO_QUIRK_DIRECT)
1387 	},
1388 	{ }
1389 };
1390 
1391 #ifdef CONFIG_PNP
1392 static const struct dmi_system_id i8042_dmi_laptop_table[] __initconst = {
1393 	{
1394 		.matches = {
1395 			DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
1396 		},
1397 	},
1398 	{
1399 		.matches = {
1400 			DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
1401 		},
1402 	},
1403 	{
1404 		.matches = {
1405 			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
1406 		},
1407 	},
1408 	{
1409 		.matches = {
1410 			DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
1411 		},
1412 	},
1413 	{ }
1414 };
1415 #endif
1416 
1417 #endif /* CONFIG_X86 */
1418 
1419 #ifdef CONFIG_PNP
1420 #include <linux/pnp.h>
1421 
1422 static bool i8042_pnp_kbd_registered;
1423 static unsigned int i8042_pnp_kbd_devices;
1424 static bool i8042_pnp_aux_registered;
1425 static unsigned int i8042_pnp_aux_devices;
1426 
1427 static int i8042_pnp_command_reg;
1428 static int i8042_pnp_data_reg;
1429 static int i8042_pnp_kbd_irq;
1430 static int i8042_pnp_aux_irq;
1431 
1432 static char i8042_pnp_kbd_name[32];
1433 static char i8042_pnp_aux_name[32];
1434 
1435 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1436 {
1437 	strscpy(dst, "PNP:", dst_size);
1438 
1439 	while (id) {
1440 		strlcat(dst, " ", dst_size);
1441 		strlcat(dst, id->id, dst_size);
1442 		id = id->next;
1443 	}
1444 }
1445 
1446 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1447 {
1448 	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1449 		i8042_pnp_data_reg = pnp_port_start(dev,0);
1450 
1451 	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1452 		i8042_pnp_command_reg = pnp_port_start(dev, 1);
1453 
1454 	if (pnp_irq_valid(dev,0))
1455 		i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1456 
1457 	strscpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1458 	if (strlen(pnp_dev_name(dev))) {
1459 		strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1460 		strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1461 	}
1462 	i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1463 			       sizeof(i8042_kbd_firmware_id));
1464 	i8042_kbd_fwnode = dev_fwnode(&dev->dev);
1465 
1466 	/* Keyboard ports are always supposed to be wakeup-enabled */
1467 	device_set_wakeup_enable(&dev->dev, true);
1468 
1469 	i8042_pnp_kbd_devices++;
1470 	return 0;
1471 }
1472 
1473 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1474 {
1475 	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1476 		i8042_pnp_data_reg = pnp_port_start(dev,0);
1477 
1478 	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1479 		i8042_pnp_command_reg = pnp_port_start(dev, 1);
1480 
1481 	if (pnp_irq_valid(dev, 0))
1482 		i8042_pnp_aux_irq = pnp_irq(dev, 0);
1483 
1484 	strscpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1485 	if (strlen(pnp_dev_name(dev))) {
1486 		strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1487 		strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1488 	}
1489 	i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1490 			       sizeof(i8042_aux_firmware_id));
1491 
1492 	i8042_pnp_aux_devices++;
1493 	return 0;
1494 }
1495 
1496 static const struct pnp_device_id pnp_kbd_devids[] = {
1497 	{ .id = "PNP0300", .driver_data = 0 },
1498 	{ .id = "PNP0301", .driver_data = 0 },
1499 	{ .id = "PNP0302", .driver_data = 0 },
1500 	{ .id = "PNP0303", .driver_data = 0 },
1501 	{ .id = "PNP0304", .driver_data = 0 },
1502 	{ .id = "PNP0305", .driver_data = 0 },
1503 	{ .id = "PNP0306", .driver_data = 0 },
1504 	{ .id = "PNP0309", .driver_data = 0 },
1505 	{ .id = "PNP030a", .driver_data = 0 },
1506 	{ .id = "PNP030b", .driver_data = 0 },
1507 	{ .id = "PNP0320", .driver_data = 0 },
1508 	{ .id = "PNP0343", .driver_data = 0 },
1509 	{ .id = "PNP0344", .driver_data = 0 },
1510 	{ .id = "PNP0345", .driver_data = 0 },
1511 	{ .id = "CPQA0D7", .driver_data = 0 },
1512 	{ .id = "", },
1513 };
1514 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1515 
1516 static struct pnp_driver i8042_pnp_kbd_driver = {
1517 	.name           = "i8042 kbd",
1518 	.id_table       = pnp_kbd_devids,
1519 	.probe          = i8042_pnp_kbd_probe,
1520 	.driver         = {
1521 		.probe_type = PROBE_FORCE_SYNCHRONOUS,
1522 		.suppress_bind_attrs = true,
1523 	},
1524 };
1525 
1526 static const struct pnp_device_id pnp_aux_devids[] = {
1527 	{ .id = "AUI0200", .driver_data = 0 },
1528 	{ .id = "FJC6000", .driver_data = 0 },
1529 	{ .id = "FJC6001", .driver_data = 0 },
1530 	{ .id = "PNP0f03", .driver_data = 0 },
1531 	{ .id = "PNP0f0b", .driver_data = 0 },
1532 	{ .id = "PNP0f0e", .driver_data = 0 },
1533 	{ .id = "PNP0f12", .driver_data = 0 },
1534 	{ .id = "PNP0f13", .driver_data = 0 },
1535 	{ .id = "PNP0f19", .driver_data = 0 },
1536 	{ .id = "PNP0f1c", .driver_data = 0 },
1537 	{ .id = "SYN0801", .driver_data = 0 },
1538 	{ .id = "", },
1539 };
1540 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1541 
1542 static struct pnp_driver i8042_pnp_aux_driver = {
1543 	.name           = "i8042 aux",
1544 	.id_table       = pnp_aux_devids,
1545 	.probe          = i8042_pnp_aux_probe,
1546 	.driver         = {
1547 		.probe_type = PROBE_FORCE_SYNCHRONOUS,
1548 		.suppress_bind_attrs = true,
1549 	},
1550 };
1551 
1552 static void i8042_pnp_exit(void)
1553 {
1554 	if (i8042_pnp_kbd_registered) {
1555 		i8042_pnp_kbd_registered = false;
1556 		pnp_unregister_driver(&i8042_pnp_kbd_driver);
1557 	}
1558 
1559 	if (i8042_pnp_aux_registered) {
1560 		i8042_pnp_aux_registered = false;
1561 		pnp_unregister_driver(&i8042_pnp_aux_driver);
1562 	}
1563 }
1564 
1565 static int __init i8042_pnp_init(void)
1566 {
1567 	char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1568 	bool pnp_data_busted = false;
1569 	int err;
1570 
1571 	if (i8042_nopnp) {
1572 		pr_info("PNP detection disabled\n");
1573 		return 0;
1574 	}
1575 
1576 	err = pnp_register_driver(&i8042_pnp_kbd_driver);
1577 	if (!err)
1578 		i8042_pnp_kbd_registered = true;
1579 
1580 	err = pnp_register_driver(&i8042_pnp_aux_driver);
1581 	if (!err)
1582 		i8042_pnp_aux_registered = true;
1583 
1584 	if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1585 		i8042_pnp_exit();
1586 #if defined(__ia64__)
1587 		return -ENODEV;
1588 #else
1589 		pr_info("PNP: No PS/2 controller found.\n");
1590 #if defined(__loongarch__)
1591 		if (acpi_disabled == 0)
1592 			return -ENODEV;
1593 #else
1594 		if (x86_platform.legacy.i8042 !=
1595 				X86_LEGACY_I8042_EXPECTED_PRESENT)
1596 			return -ENODEV;
1597 #endif
1598 		pr_info("Probing ports directly.\n");
1599 		return 0;
1600 #endif
1601 	}
1602 
1603 	if (i8042_pnp_kbd_devices)
1604 		snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1605 			"%d", i8042_pnp_kbd_irq);
1606 	if (i8042_pnp_aux_devices)
1607 		snprintf(aux_irq_str, sizeof(aux_irq_str),
1608 			"%d", i8042_pnp_aux_irq);
1609 
1610 	pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1611 		i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1612 		i8042_pnp_aux_name,
1613 		i8042_pnp_data_reg, i8042_pnp_command_reg,
1614 		kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1615 		aux_irq_str);
1616 
1617 #if defined(__ia64__)
1618 	if (!i8042_pnp_kbd_devices)
1619 		i8042_nokbd = true;
1620 	if (!i8042_pnp_aux_devices)
1621 		i8042_noaux = true;
1622 #endif
1623 
1624 	if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1625 	      i8042_pnp_data_reg != i8042_data_reg) ||
1626 	    !i8042_pnp_data_reg) {
1627 		pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1628 			i8042_pnp_data_reg, i8042_data_reg);
1629 		i8042_pnp_data_reg = i8042_data_reg;
1630 		pnp_data_busted = true;
1631 	}
1632 
1633 	if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1634 	      i8042_pnp_command_reg != i8042_command_reg) ||
1635 	    !i8042_pnp_command_reg) {
1636 		pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1637 			i8042_pnp_command_reg, i8042_command_reg);
1638 		i8042_pnp_command_reg = i8042_command_reg;
1639 		pnp_data_busted = true;
1640 	}
1641 
1642 	if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1643 		pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1644 			i8042_kbd_irq);
1645 		i8042_pnp_kbd_irq = i8042_kbd_irq;
1646 		pnp_data_busted = true;
1647 	}
1648 
1649 	if (!i8042_noaux && !i8042_pnp_aux_irq) {
1650 		if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1651 			pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1652 				"if this is incorrect please boot with i8042.nopnp\n");
1653 			i8042_noaux = true;
1654 		} else {
1655 			pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1656 				i8042_aux_irq);
1657 			i8042_pnp_aux_irq = i8042_aux_irq;
1658 		}
1659 	}
1660 
1661 	i8042_data_reg = i8042_pnp_data_reg;
1662 	i8042_command_reg = i8042_pnp_command_reg;
1663 	i8042_kbd_irq = i8042_pnp_kbd_irq;
1664 	i8042_aux_irq = i8042_pnp_aux_irq;
1665 
1666 #ifdef CONFIG_X86
1667 	i8042_bypass_aux_irq_test = !pnp_data_busted &&
1668 				    dmi_check_system(i8042_dmi_laptop_table);
1669 #endif
1670 
1671 	return 0;
1672 }
1673 
1674 #else  /* !CONFIG_PNP */
1675 static inline int i8042_pnp_init(void) { return 0; }
1676 static inline void i8042_pnp_exit(void) { }
1677 #endif /* CONFIG_PNP */
1678 
1679 
1680 #ifdef CONFIG_X86
1681 static void __init i8042_check_quirks(void)
1682 {
1683 	const struct dmi_system_id *device_quirk_info;
1684 	uintptr_t quirks;
1685 
1686 	device_quirk_info = dmi_first_match(i8042_dmi_quirk_table);
1687 	if (!device_quirk_info)
1688 		return;
1689 
1690 	quirks = (uintptr_t)device_quirk_info->driver_data;
1691 
1692 	if (quirks & SERIO_QUIRK_NOKBD)
1693 		i8042_nokbd = true;
1694 	if (quirks & SERIO_QUIRK_NOAUX)
1695 		i8042_noaux = true;
1696 	if (quirks & SERIO_QUIRK_NOMUX)
1697 		i8042_nomux = true;
1698 	if (quirks & SERIO_QUIRK_FORCEMUX)
1699 		i8042_nomux = false;
1700 	if (quirks & SERIO_QUIRK_UNLOCK)
1701 		i8042_unlock = true;
1702 	if (quirks & SERIO_QUIRK_PROBE_DEFER)
1703 		i8042_probe_defer = true;
1704 	/* Honor module parameter when value is not default */
1705 	if (i8042_reset == I8042_RESET_DEFAULT) {
1706 		if (quirks & SERIO_QUIRK_RESET_ALWAYS)
1707 			i8042_reset = I8042_RESET_ALWAYS;
1708 		if (quirks & SERIO_QUIRK_RESET_NEVER)
1709 			i8042_reset = I8042_RESET_NEVER;
1710 	}
1711 	if (quirks & SERIO_QUIRK_DIRECT)
1712 		i8042_direct = true;
1713 	if (quirks & SERIO_QUIRK_DUMBKBD)
1714 		i8042_dumbkbd = true;
1715 	if (quirks & SERIO_QUIRK_NOLOOP)
1716 		i8042_noloop = true;
1717 	if (quirks & SERIO_QUIRK_NOTIMEOUT)
1718 		i8042_notimeout = true;
1719 	if (quirks & SERIO_QUIRK_KBDRESET)
1720 		i8042_kbdreset = true;
1721 	if (quirks & SERIO_QUIRK_DRITEK)
1722 		i8042_dritek = true;
1723 #ifdef CONFIG_PNP
1724 	if (quirks & SERIO_QUIRK_NOPNP)
1725 		i8042_nopnp = true;
1726 #endif
1727 	if (quirks & SERIO_QUIRK_FORCENORESTORE)
1728 		i8042_forcenorestore = true;
1729 }
1730 #else
1731 static inline void i8042_check_quirks(void) {}
1732 #endif
1733 
1734 static int __init i8042_platform_init(void)
1735 {
1736 	int retval;
1737 
1738 #ifdef CONFIG_X86
1739 	u8 a20_on = 0xdf;
1740 	/* Just return if platform does not have i8042 controller */
1741 	if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1742 		return -ENODEV;
1743 #endif
1744 
1745 /*
1746  * On ix86 platforms touching the i8042 data register region can do really
1747  * bad things. Because of this the region is always reserved on ix86 boxes.
1748  *
1749  *	if (!request_region(I8042_DATA_REG, 16, "i8042"))
1750  *		return -EBUSY;
1751  */
1752 
1753 	i8042_kbd_irq = I8042_MAP_IRQ(1);
1754 	i8042_aux_irq = I8042_MAP_IRQ(12);
1755 
1756 #if defined(__ia64__)
1757 	i8042_reset = I8042_RESET_ALWAYS;
1758 #endif
1759 
1760 	i8042_check_quirks();
1761 
1762 	pr_debug("Active quirks (empty means none):%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
1763 		i8042_nokbd ? " nokbd" : "",
1764 		i8042_noaux ? " noaux" : "",
1765 		i8042_nomux ? " nomux" : "",
1766 		i8042_unlock ? " unlock" : "",
1767 		i8042_probe_defer ? "probe_defer" : "",
1768 		i8042_reset == I8042_RESET_DEFAULT ?
1769 			"" : i8042_reset == I8042_RESET_ALWAYS ?
1770 				" reset_always" : " reset_never",
1771 		i8042_direct ? " direct" : "",
1772 		i8042_dumbkbd ? " dumbkbd" : "",
1773 		i8042_noloop ? " noloop" : "",
1774 		i8042_notimeout ? " notimeout" : "",
1775 		i8042_kbdreset ? " kbdreset" : "",
1776 #ifdef CONFIG_X86
1777 		i8042_dritek ? " dritek" : "",
1778 #else
1779 		"",
1780 #endif
1781 #ifdef CONFIG_PNP
1782 		i8042_nopnp ? " nopnp" : "",
1783 #else
1784 		"",
1785 #endif
1786 		i8042_forcenorestore ? " forcenorestore" : "");
1787 
1788 	retval = i8042_pnp_init();
1789 	if (retval)
1790 		return retval;
1791 
1792 #ifdef CONFIG_X86
1793 	/*
1794 	 * A20 was already enabled during early kernel init. But some buggy
1795 	 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1796 	 * resume from S3. So we do it here and hope that nothing breaks.
1797 	 */
1798 	i8042_command(&a20_on, 0x10d1);
1799 	i8042_command(NULL, 0x00ff);	/* Null command for SMM firmware */
1800 #endif /* CONFIG_X86 */
1801 
1802 	return retval;
1803 }
1804 
1805 static inline void i8042_platform_exit(void)
1806 {
1807 	i8042_pnp_exit();
1808 }
1809 
1810 #endif /* _I8042_ACPIPNPIO_H */
1811