tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2#ifndef _I8042_X86IA64IO_H
3#define _I8042_X86IA64IO_H
4
5
6#ifdef CONFIG_X86
7#include <asm/x86_init.h>
8#endif
9
10/*
11 * Names.
12 */
13
14#define I8042_KBD_PHYS_DESC "isa0060/serio0"
15#define I8042_AUX_PHYS_DESC "isa0060/serio1"
16#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
17
18/*
19 * IRQs.
20 */
21
22#if defined(__ia64__)
23# define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
24#else
25# define I8042_MAP_IRQ(x) (x)
26#endif
27
28#define I8042_KBD_IRQ i8042_kbd_irq
29#define I8042_AUX_IRQ i8042_aux_irq
30
31static int i8042_kbd_irq;
32static int i8042_aux_irq;
33
34/*
35 * Register numbers.
36 */
37
38#define I8042_COMMAND_REG i8042_command_reg
39#define I8042_STATUS_REG i8042_command_reg
40#define I8042_DATA_REG i8042_data_reg
41
42static int i8042_command_reg = 0x64;
43static int i8042_data_reg = 0x60;
44
45
46static inline int i8042_read_data(void)
47{
48 return inb(I8042_DATA_REG);
49}
50
51static inline int i8042_read_status(void)
52{
53 return inb(I8042_STATUS_REG);
54}
55
56static inline void i8042_write_data(int val)
57{
58 outb(val, I8042_DATA_REG);
59}
60
61static inline void i8042_write_command(int val)
62{
63 outb(val, I8042_COMMAND_REG);
64}
65
66#ifdef CONFIG_X86
67
68#include <linux/dmi.h>
69
70static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
71 {
72 /*
73 * Arima-Rioworks HDAMB -
74 * AUX LOOP command does not raise AUX IRQ
75 */
76 .matches = {
77 DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
78 DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
79 DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
80 },
81 },
82 {
83 /* ASUS G1S */
84 .matches = {
85 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
86 DMI_MATCH(DMI_BOARD_NAME, "G1S"),
87 DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
88 },
89 },
90 {
91 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
92 .matches = {
93 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
94 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
95 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
96 },
97 },
98 {
99 .matches = {
100 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
101 DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
102 },
103 },
104 {
105 .matches = {
106 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
107 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
108 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
109 },
110 },
111 {
112 .matches = {
113 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
114 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
115 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
116 },
117 },
118 {
119 /* Dell Embedded Box PC 3000 */
120 .matches = {
121 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
122 DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
123 },
124 },
125 {
126 /* OQO Model 01 */
127 .matches = {
128 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
129 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
130 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
131 },
132 },
133 {
134 /* ULI EV4873 - AUX LOOP does not work properly */
135 .matches = {
136 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
137 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
138 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
139 },
140 },
141 {
142 /* Microsoft Virtual Machine */
143 .matches = {
144 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
145 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
146 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
147 },
148 },
149 {
150 /* Medion MAM 2070 */
151 .matches = {
152 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
153 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
154 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
155 },
156 },
157 {
158 /* Medion Akoya E7225 */
159 .matches = {
160 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
161 DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
162 DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
163 },
164 },
165 {
166 /* Blue FB5601 */
167 .matches = {
168 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
169 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
170 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
171 },
172 },
173 {
174 /* Gigabyte M912 */
175 .matches = {
176 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
177 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
178 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
179 },
180 },
181 {
182 /* Gigabyte M1022M netbook */
183 .matches = {
184 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
185 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
186 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
187 },
188 },
189 {
190 /* Gigabyte Spring Peak - defines wrong chassis type */
191 .matches = {
192 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
193 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
194 },
195 },
196 {
197 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
198 .matches = {
199 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
200 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
201 },
202 },
203 {
204 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
205 .matches = {
206 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
207 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
208 },
209 },
210 {
211 .matches = {
212 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
213 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
214 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
215 },
216 },
217 {
218 .matches = {
219 DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
220 DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
221 },
222 },
223 { }
224};
225
226/*
227 * Some Fujitsu notebooks are having trouble with touchpads if
228 * active multiplexing mode is activated. Luckily they don't have
229 * external PS/2 ports so we can safely disable it.
230 * ... apparently some Toshibas don't like MUX mode either and
231 * die horrible death on reboot.
232 */
233static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
234 {
235 /* Fujitsu Lifebook P7010/P7010D */
236 .matches = {
237 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
238 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
239 },
240 },
241 {
242 /* Fujitsu Lifebook P7010 */
243 .matches = {
244 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
245 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
246 },
247 },
248 {
249 /* Fujitsu Lifebook P5020D */
250 .matches = {
251 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
252 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
253 },
254 },
255 {
256 /* Fujitsu Lifebook S2000 */
257 .matches = {
258 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
259 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
260 },
261 },
262 {
263 /* Fujitsu Lifebook S6230 */
264 .matches = {
265 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
266 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
267 },
268 },
269 {
270 /* Fujitsu Lifebook U745 */
271 .matches = {
272 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
273 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
274 },
275 },
276 {
277 /* Fujitsu T70H */
278 .matches = {
279 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
280 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
281 },
282 },
283 {
284 /* Fujitsu-Siemens Lifebook T3010 */
285 .matches = {
286 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
287 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
288 },
289 },
290 {
291 /* Fujitsu-Siemens Lifebook E4010 */
292 .matches = {
293 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
294 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
295 },
296 },
297 {
298 /* Fujitsu-Siemens Amilo Pro 2010 */
299 .matches = {
300 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
301 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
302 },
303 },
304 {
305 /* Fujitsu-Siemens Amilo Pro 2030 */
306 .matches = {
307 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
308 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
309 },
310 },
311 {
312 /*
313 * No data is coming from the touchscreen unless KBC
314 * is in legacy mode.
315 */
316 /* Panasonic CF-29 */
317 .matches = {
318 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
319 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
320 },
321 },
322 {
323 /*
324 * HP Pavilion DV4017EA -
325 * errors on MUX ports are reported without raising AUXDATA
326 * causing "spurious NAK" messages.
327 */
328 .matches = {
329 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
330 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
331 },
332 },
333 {
334 /*
335 * HP Pavilion ZT1000 -
336 * like DV4017EA does not raise AUXERR for errors on MUX ports.
337 */
338 .matches = {
339 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
340 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
341 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
342 },
343 },
344 {
345 /*
346 * HP Pavilion DV4270ca -
347 * like DV4017EA does not raise AUXERR for errors on MUX ports.
348 */
349 .matches = {
350 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
351 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
352 },
353 },
354 {
355 .matches = {
356 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
357 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
358 },
359 },
360 {
361 .matches = {
362 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
363 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
364 },
365 },
366 {
367 .matches = {
368 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
369 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
370 },
371 },
372 {
373 .matches = {
374 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
375 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
376 },
377 },
378 {
379 /* Sharp Actius MM20 */
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
382 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
383 },
384 },
385 {
386 /* Sony Vaio FS-115b */
387 .matches = {
388 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
389 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
390 },
391 },
392 {
393 /*
394 * Sony Vaio FZ-240E -
395 * reset and GET ID commands issued via KBD port are
396 * sometimes being delivered to AUX3.
397 */
398 .matches = {
399 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
400 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
401 },
402 },
403 {
404 /*
405 * Most (all?) VAIOs do not have external PS/2 ports nor
406 * they implement active multiplexing properly, and
407 * MUX discovery usually messes up keyboard/touchpad.
408 */
409 .matches = {
410 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
411 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
412 },
413 },
414 {
415 /* Amoi M636/A737 */
416 .matches = {
417 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
418 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
419 },
420 },
421 {
422 /* Lenovo 3000 n100 */
423 .matches = {
424 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
425 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
426 },
427 },
428 {
429 /* Lenovo XiaoXin Air 12 */
430 .matches = {
431 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
432 DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
433 },
434 },
435 {
436 .matches = {
437 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
438 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
439 },
440 },
441 {
442 /* Acer Aspire 5710 */
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
446 },
447 },
448 {
449 /* Acer Aspire 7738 */
450 .matches = {
451 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
452 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
453 },
454 },
455 {
456 /* Gericom Bellagio */
457 .matches = {
458 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
459 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
460 },
461 },
462 {
463 /* IBM 2656 */
464 .matches = {
465 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
466 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
467 },
468 },
469 {
470 /* Dell XPS M1530 */
471 .matches = {
472 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
473 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
474 },
475 },
476 {
477 /* Compal HEL80I */
478 .matches = {
479 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
480 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
481 },
482 },
483 {
484 /* Dell Vostro 1510 */
485 .matches = {
486 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
487 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
488 },
489 },
490 {
491 /* Acer Aspire 5536 */
492 .matches = {
493 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
494 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
495 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
496 },
497 },
498 {
499 /* Dell Vostro V13 */
500 .matches = {
501 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
502 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
503 },
504 },
505 {
506 /* Newer HP Pavilion dv4 models */
507 .matches = {
508 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
509 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
510 },
511 },
512 {
513 /* Asus X450LCP */
514 .matches = {
515 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
516 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
517 },
518 },
519 {
520 /* Avatar AVIU-145A6 */
521 .matches = {
522 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
523 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
524 },
525 },
526 {
527 /* TUXEDO BU1406 */
528 .matches = {
529 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
530 DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
531 },
532 },
533 {
534 /* Lenovo LaVie Z */
535 .matches = {
536 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
537 DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
538 },
539 },
540 {
541 /*
542 * Acer Aspire 5738z
543 * Touchpad stops working in mux mode when dis- + re-enabled
544 * with the touchpad enable/disable toggle hotkey
545 */
546 .matches = {
547 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
548 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
549 },
550 },
551 { }
552};
553
554static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
555 {
556 /*
557 * Sony Vaio VGN-CS series require MUX or the touch sensor
558 * buttons will disturb touchpad operation
559 */
560 .matches = {
561 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
562 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
563 },
564 },
565 { }
566};
567
568/*
569 * On some Asus laptops, just running self tests cause problems.
570 */
571static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
572 {
573 .matches = {
574 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
575 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
576 },
577 },
578 { }
579};
580static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
581 {
582 /* MSI Wind U-100 */
583 .matches = {
584 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
585 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
586 },
587 },
588 {
589 /* LG Electronics X110 */
590 .matches = {
591 DMI_MATCH(DMI_BOARD_NAME, "X110"),
592 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
593 },
594 },
595 {
596 /* Acer Aspire One 150 */
597 .matches = {
598 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
599 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
600 },
601 },
602 {
603 /* Advent 4211 */
604 .matches = {
605 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
606 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
607 },
608 },
609 {
610 /* Medion Akoya Mini E1210 */
611 .matches = {
612 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
613 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
614 },
615 },
616 {
617 /* Medion Akoya E1222 */
618 .matches = {
619 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
620 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
621 },
622 },
623 {
624 /* Mivvy M310 */
625 .matches = {
626 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
627 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
628 },
629 },
630 {
631 /* Dell Vostro 1320 */
632 .matches = {
633 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
634 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
635 },
636 },
637 {
638 /* Dell Vostro 1520 */
639 .matches = {
640 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
641 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
642 },
643 },
644 {
645 /* Dell Vostro 1720 */
646 .matches = {
647 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
648 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
649 },
650 },
651 {
652 /* Lenovo Ideapad U455 */
653 .matches = {
654 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
655 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
656 },
657 },
658 {
659 /* Lenovo ThinkPad L460 */
660 .matches = {
661 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
662 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
663 },
664 },
665 {
666 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
667 .matches = {
668 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
669 DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
670 },
671 },
672 {
673 /* Lenovo ThinkPad Twist S230u */
674 .matches = {
675 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
676 DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
677 },
678 },
679 { }
680};
681
682#ifdef CONFIG_PNP
683static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
684 {
685 /* Intel MBO Desktop D845PESV */
686 .matches = {
687 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
688 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
689 },
690 },
691 {
692 /*
693 * Intel NUC D54250WYK - does not have i8042 controller but
694 * declares PS/2 devices in DSDT.
695 */
696 .matches = {
697 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
698 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
699 },
700 },
701 {
702 /* MSI Wind U-100 */
703 .matches = {
704 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
705 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
706 },
707 },
708 { }
709};
710
711static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
712 {
713 .matches = {
714 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
715 },
716 },
717 {
718 .matches = {
719 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
720 },
721 },
722 {
723 .matches = {
724 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
725 },
726 },
727 {
728 .matches = {
729 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
730 },
731 },
732 { }
733};
734#endif
735
736static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
737 {
738 /* Dell Vostro V13 */
739 .matches = {
740 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
741 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
742 },
743 },
744 {
745 /* Newer HP Pavilion dv4 models */
746 .matches = {
747 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
748 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
749 },
750 },
751 {
752 /* Fujitsu A544 laptop */
753 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
754 .matches = {
755 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
756 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
757 },
758 },
759 {
760 /* Fujitsu AH544 laptop */
761 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
762 .matches = {
763 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
764 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
765 },
766 },
767 {
768 /* Fujitsu U574 laptop */
769 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
770 .matches = {
771 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
772 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
773 },
774 },
775 {
776 /* Fujitsu UH554 laptop */
777 .matches = {
778 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
779 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
780 },
781 },
782 { }
783};
784
785/*
786 * Some Wistron based laptops need us to explicitly enable the 'Dritek
787 * keyboard extension' to make their extra keys start generating scancodes.
788 * Originally, this was just confined to older laptops, but a few Acer laptops
789 * have turned up in 2007 that also need this again.
790 */
791static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
792 {
793 /* Acer Aspire 5100 */
794 .matches = {
795 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
796 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
797 },
798 },
799 {
800 /* Acer Aspire 5610 */
801 .matches = {
802 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
803 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
804 },
805 },
806 {
807 /* Acer Aspire 5630 */
808 .matches = {
809 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
810 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
811 },
812 },
813 {
814 /* Acer Aspire 5650 */
815 .matches = {
816 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
817 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
818 },
819 },
820 {
821 /* Acer Aspire 5680 */
822 .matches = {
823 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
824 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
825 },
826 },
827 {
828 /* Acer Aspire 5720 */
829 .matches = {
830 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
831 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
832 },
833 },
834 {
835 /* Acer Aspire 9110 */
836 .matches = {
837 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
838 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
839 },
840 },
841 {
842 /* Acer TravelMate 660 */
843 .matches = {
844 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
845 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
846 },
847 },
848 {
849 /* Acer TravelMate 2490 */
850 .matches = {
851 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
852 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
853 },
854 },
855 {
856 /* Acer TravelMate 4280 */
857 .matches = {
858 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
859 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
860 },
861 },
862 { }
863};
864
865/*
866 * Some laptops need keyboard reset before probing for the trackpad to get
867 * it detected, initialised & finally work.
868 */
869static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
870 {
871 /* Gigabyte P35 v2 - Elantech touchpad */
872 .matches = {
873 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
874 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
875 },
876 },
877 {
878 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
879 .matches = {
880 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
881 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
882 },
883 },
884 {
885 /* Gigabyte P34 - Elantech touchpad */
886 .matches = {
887 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
888 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
889 },
890 },
891 {
892 /* Gigabyte P57 - Elantech touchpad */
893 .matches = {
894 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
895 DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
896 },
897 },
898 {
899 /* Schenker XMG C504 - Elantech touchpad */
900 .matches = {
901 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
902 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
903 },
904 },
905 { }
906};
907
908#endif /* CONFIG_X86 */
909
910#ifdef CONFIG_PNP
911#include <linux/pnp.h>
912
913static bool i8042_pnp_kbd_registered;
914static unsigned int i8042_pnp_kbd_devices;
915static bool i8042_pnp_aux_registered;
916static unsigned int i8042_pnp_aux_devices;
917
918static int i8042_pnp_command_reg;
919static int i8042_pnp_data_reg;
920static int i8042_pnp_kbd_irq;
921static int i8042_pnp_aux_irq;
922
923static char i8042_pnp_kbd_name[32];
924static char i8042_pnp_aux_name[32];
925
926static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
927{
928 strlcpy(dst, "PNP:", dst_size);
929
930 while (id) {
931 strlcat(dst, " ", dst_size);
932 strlcat(dst, id->id, dst_size);
933 id = id->next;
934 }
935}
936
937static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
938{
939 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
940 i8042_pnp_data_reg = pnp_port_start(dev,0);
941
942 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
943 i8042_pnp_command_reg = pnp_port_start(dev, 1);
944
945 if (pnp_irq_valid(dev,0))
946 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
947
948 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
949 if (strlen(pnp_dev_name(dev))) {
950 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
951 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
952 }
953 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
954 sizeof(i8042_kbd_firmware_id));
955 i8042_kbd_fwnode = dev_fwnode(&dev->dev);
956
957 /* Keyboard ports are always supposed to be wakeup-enabled */
958 device_set_wakeup_enable(&dev->dev, true);
959
960 i8042_pnp_kbd_devices++;
961 return 0;
962}
963
964static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
965{
966 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
967 i8042_pnp_data_reg = pnp_port_start(dev,0);
968
969 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
970 i8042_pnp_command_reg = pnp_port_start(dev, 1);
971
972 if (pnp_irq_valid(dev, 0))
973 i8042_pnp_aux_irq = pnp_irq(dev, 0);
974
975 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
976 if (strlen(pnp_dev_name(dev))) {
977 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
978 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
979 }
980 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
981 sizeof(i8042_aux_firmware_id));
982
983 i8042_pnp_aux_devices++;
984 return 0;
985}
986
987static const struct pnp_device_id pnp_kbd_devids[] = {
988 { .id = "PNP0300", .driver_data = 0 },
989 { .id = "PNP0301", .driver_data = 0 },
990 { .id = "PNP0302", .driver_data = 0 },
991 { .id = "PNP0303", .driver_data = 0 },
992 { .id = "PNP0304", .driver_data = 0 },
993 { .id = "PNP0305", .driver_data = 0 },
994 { .id = "PNP0306", .driver_data = 0 },
995 { .id = "PNP0309", .driver_data = 0 },
996 { .id = "PNP030a", .driver_data = 0 },
997 { .id = "PNP030b", .driver_data = 0 },
998 { .id = "PNP0320", .driver_data = 0 },
999 { .id = "PNP0343", .driver_data = 0 },
1000 { .id = "PNP0344", .driver_data = 0 },
1001 { .id = "PNP0345", .driver_data = 0 },
1002 { .id = "CPQA0D7", .driver_data = 0 },
1003 { .id = "", },
1004};
1005MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1006
1007static struct pnp_driver i8042_pnp_kbd_driver = {
1008 .name = "i8042 kbd",
1009 .id_table = pnp_kbd_devids,
1010 .probe = i8042_pnp_kbd_probe,
1011 .driver = {
1012 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1013 .suppress_bind_attrs = true,
1014 },
1015};
1016
1017static const struct pnp_device_id pnp_aux_devids[] = {
1018 { .id = "AUI0200", .driver_data = 0 },
1019 { .id = "FJC6000", .driver_data = 0 },
1020 { .id = "FJC6001", .driver_data = 0 },
1021 { .id = "PNP0f03", .driver_data = 0 },
1022 { .id = "PNP0f0b", .driver_data = 0 },
1023 { .id = "PNP0f0e", .driver_data = 0 },
1024 { .id = "PNP0f12", .driver_data = 0 },
1025 { .id = "PNP0f13", .driver_data = 0 },
1026 { .id = "PNP0f19", .driver_data = 0 },
1027 { .id = "PNP0f1c", .driver_data = 0 },
1028 { .id = "SYN0801", .driver_data = 0 },
1029 { .id = "", },
1030};
1031MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1032
1033static struct pnp_driver i8042_pnp_aux_driver = {
1034 .name = "i8042 aux",
1035 .id_table = pnp_aux_devids,
1036 .probe = i8042_pnp_aux_probe,
1037 .driver = {
1038 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1039 .suppress_bind_attrs = true,
1040 },
1041};
1042
1043static void i8042_pnp_exit(void)
1044{
1045 if (i8042_pnp_kbd_registered) {
1046 i8042_pnp_kbd_registered = false;
1047 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1048 }
1049
1050 if (i8042_pnp_aux_registered) {
1051 i8042_pnp_aux_registered = false;
1052 pnp_unregister_driver(&i8042_pnp_aux_driver);
1053 }
1054}
1055
1056static int __init i8042_pnp_init(void)
1057{
1058 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1059 bool pnp_data_busted = false;
1060 int err;
1061
1062#ifdef CONFIG_X86
1063 if (dmi_check_system(i8042_dmi_nopnp_table))
1064 i8042_nopnp = true;
1065#endif
1066
1067 if (i8042_nopnp) {
1068 pr_info("PNP detection disabled\n");
1069 return 0;
1070 }
1071
1072 err = pnp_register_driver(&i8042_pnp_kbd_driver);
1073 if (!err)
1074 i8042_pnp_kbd_registered = true;
1075
1076 err = pnp_register_driver(&i8042_pnp_aux_driver);
1077 if (!err)
1078 i8042_pnp_aux_registered = true;
1079
1080 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1081 i8042_pnp_exit();
1082#if defined(__ia64__)
1083 return -ENODEV;
1084#else
1085 pr_info("PNP: No PS/2 controller found.\n");
1086 if (x86_platform.legacy.i8042 !=
1087 X86_LEGACY_I8042_EXPECTED_PRESENT)
1088 return -ENODEV;
1089 pr_info("Probing ports directly.\n");
1090 return 0;
1091#endif
1092 }
1093
1094 if (i8042_pnp_kbd_devices)
1095 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1096 "%d", i8042_pnp_kbd_irq);
1097 if (i8042_pnp_aux_devices)
1098 snprintf(aux_irq_str, sizeof(aux_irq_str),
1099 "%d", i8042_pnp_aux_irq);
1100
1101 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1102 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1103 i8042_pnp_aux_name,
1104 i8042_pnp_data_reg, i8042_pnp_command_reg,
1105 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1106 aux_irq_str);
1107
1108#if defined(__ia64__)
1109 if (!i8042_pnp_kbd_devices)
1110 i8042_nokbd = true;
1111 if (!i8042_pnp_aux_devices)
1112 i8042_noaux = true;
1113#endif
1114
1115 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1116 i8042_pnp_data_reg != i8042_data_reg) ||
1117 !i8042_pnp_data_reg) {
1118 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1119 i8042_pnp_data_reg, i8042_data_reg);
1120 i8042_pnp_data_reg = i8042_data_reg;
1121 pnp_data_busted = true;
1122 }
1123
1124 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1125 i8042_pnp_command_reg != i8042_command_reg) ||
1126 !i8042_pnp_command_reg) {
1127 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1128 i8042_pnp_command_reg, i8042_command_reg);
1129 i8042_pnp_command_reg = i8042_command_reg;
1130 pnp_data_busted = true;
1131 }
1132
1133 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1134 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1135 i8042_kbd_irq);
1136 i8042_pnp_kbd_irq = i8042_kbd_irq;
1137 pnp_data_busted = true;
1138 }
1139
1140 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1141 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1142 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1143 "if this is incorrect please boot with i8042.nopnp\n");
1144 i8042_noaux = true;
1145 } else {
1146 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1147 i8042_aux_irq);
1148 i8042_pnp_aux_irq = i8042_aux_irq;
1149 }
1150 }
1151
1152 i8042_data_reg = i8042_pnp_data_reg;
1153 i8042_command_reg = i8042_pnp_command_reg;
1154 i8042_kbd_irq = i8042_pnp_kbd_irq;
1155 i8042_aux_irq = i8042_pnp_aux_irq;
1156
1157#ifdef CONFIG_X86
1158 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1159 dmi_check_system(i8042_dmi_laptop_table);
1160#endif
1161
1162 return 0;
1163}
1164
1165#else /* !CONFIG_PNP */
1166static inline int i8042_pnp_init(void) { return 0; }
1167static inline void i8042_pnp_exit(void) { }
1168#endif /* CONFIG_PNP */
1169
1170static int __init i8042_platform_init(void)
1171{
1172 int retval;
1173
1174#ifdef CONFIG_X86
1175 u8 a20_on = 0xdf;
1176 /* Just return if platform does not have i8042 controller */
1177 if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1178 return -ENODEV;
1179#endif
1180
1181/*
1182 * On ix86 platforms touching the i8042 data register region can do really
1183 * bad things. Because of this the region is always reserved on ix86 boxes.
1184 *
1185 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1186 * return -EBUSY;
1187 */
1188
1189 i8042_kbd_irq = I8042_MAP_IRQ(1);
1190 i8042_aux_irq = I8042_MAP_IRQ(12);
1191
1192 retval = i8042_pnp_init();
1193 if (retval)
1194 return retval;
1195
1196#if defined(__ia64__)
1197 i8042_reset = I8042_RESET_ALWAYS;
1198#endif
1199
1200#ifdef CONFIG_X86
1201 /* Honor module parameter when value is not default */
1202 if (i8042_reset == I8042_RESET_DEFAULT) {
1203 if (dmi_check_system(i8042_dmi_reset_table))
1204 i8042_reset = I8042_RESET_ALWAYS;
1205
1206 if (dmi_check_system(i8042_dmi_noselftest_table))
1207 i8042_reset = I8042_RESET_NEVER;
1208 }
1209
1210 if (dmi_check_system(i8042_dmi_noloop_table))
1211 i8042_noloop = true;
1212
1213 if (dmi_check_system(i8042_dmi_nomux_table))
1214 i8042_nomux = true;
1215
1216 if (dmi_check_system(i8042_dmi_forcemux_table))
1217 i8042_nomux = false;
1218
1219 if (dmi_check_system(i8042_dmi_notimeout_table))
1220 i8042_notimeout = true;
1221
1222 if (dmi_check_system(i8042_dmi_dritek_table))
1223 i8042_dritek = true;
1224
1225 if (dmi_check_system(i8042_dmi_kbdreset_table))
1226 i8042_kbdreset = true;
1227
1228 /*
1229 * A20 was already enabled during early kernel init. But some buggy
1230 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1231 * resume from S3. So we do it here and hope that nothing breaks.
1232 */
1233 i8042_command(&a20_on, 0x10d1);
1234 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1235#endif /* CONFIG_X86 */
1236
1237 return retval;
1238}
1239
1240static inline void i8042_platform_exit(void)
1241{
1242 i8042_pnp_exit();
1243}
1244
1245#endif /* _I8042_X86IA64IO_H */