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