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
31 static int i8042_kbd_irq;
32 static 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
42 static int i8042_command_reg = 0x64;
43 static int i8042_data_reg = 0x60;
44
45
i8042_read_data(void)46 static inline int i8042_read_data(void)
47 {
48 return inb(I8042_DATA_REG);
49 }
50
i8042_read_status(void)51 static inline int i8042_read_status(void)
52 {
53 return inb(I8042_STATUS_REG);
54 }
55
i8042_write_data(int val)56 static inline void i8042_write_data(int val)
57 {
58 outb(val, I8042_DATA_REG);
59 }
60
i8042_write_command(int val)61 static 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
70 static 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 */
233 static 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 .matches = {
430 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
431 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
432 },
433 },
434 {
435 /* Acer Aspire 5710 */
436 .matches = {
437 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
438 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
439 },
440 },
441 {
442 /* Acer Aspire 7738 */
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
446 },
447 },
448 {
449 /* Gericom Bellagio */
450 .matches = {
451 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
452 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
453 },
454 },
455 {
456 /* IBM 2656 */
457 .matches = {
458 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
459 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
460 },
461 },
462 {
463 /* Dell XPS M1530 */
464 .matches = {
465 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
466 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
467 },
468 },
469 {
470 /* Compal HEL80I */
471 .matches = {
472 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
473 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
474 },
475 },
476 {
477 /* Dell Vostro 1510 */
478 .matches = {
479 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
480 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
481 },
482 },
483 {
484 /* Acer Aspire 5536 */
485 .matches = {
486 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
487 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
488 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
489 },
490 },
491 {
492 /* Dell Vostro V13 */
493 .matches = {
494 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
495 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
496 },
497 },
498 {
499 /* Newer HP Pavilion dv4 models */
500 .matches = {
501 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
502 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
503 },
504 },
505 {
506 /* Asus X450LCP */
507 .matches = {
508 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
509 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
510 },
511 },
512 {
513 /* Avatar AVIU-145A6 */
514 .matches = {
515 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
516 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
517 },
518 },
519 {
520 /* TUXEDO BU1406 */
521 .matches = {
522 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
523 DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
524 },
525 },
526 {
527 /* Lenovo LaVie Z */
528 .matches = {
529 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
530 DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
531 },
532 },
533 { }
534 };
535
536 static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
537 {
538 /*
539 * Sony Vaio VGN-CS series require MUX or the touch sensor
540 * buttons will disturb touchpad operation
541 */
542 .matches = {
543 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
544 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
545 },
546 },
547 { }
548 };
549
550 /*
551 * On some Asus laptops, just running self tests cause problems.
552 */
553 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
554 {
555 .matches = {
556 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
557 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
558 },
559 },
560 { }
561 };
562 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
563 {
564 /* MSI Wind U-100 */
565 .matches = {
566 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
567 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
568 },
569 },
570 {
571 /* LG Electronics X110 */
572 .matches = {
573 DMI_MATCH(DMI_BOARD_NAME, "X110"),
574 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
575 },
576 },
577 {
578 /* Acer Aspire One 150 */
579 .matches = {
580 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
581 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
582 },
583 },
584 {
585 /* Advent 4211 */
586 .matches = {
587 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
588 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
589 },
590 },
591 {
592 /* Medion Akoya Mini E1210 */
593 .matches = {
594 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
595 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
596 },
597 },
598 {
599 /* Medion Akoya E1222 */
600 .matches = {
601 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
602 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
603 },
604 },
605 {
606 /* Mivvy M310 */
607 .matches = {
608 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
609 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
610 },
611 },
612 {
613 /* Dell Vostro 1320 */
614 .matches = {
615 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
616 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
617 },
618 },
619 {
620 /* Dell Vostro 1520 */
621 .matches = {
622 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
623 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
624 },
625 },
626 {
627 /* Dell Vostro 1720 */
628 .matches = {
629 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
630 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
631 },
632 },
633 {
634 /* Lenovo Ideapad U455 */
635 .matches = {
636 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
637 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
638 },
639 },
640 {
641 /* Lenovo ThinkPad L460 */
642 .matches = {
643 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
644 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
645 },
646 },
647 {
648 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
649 .matches = {
650 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
651 DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
652 },
653 },
654 { }
655 };
656
657 #ifdef CONFIG_PNP
658 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
659 {
660 /* Intel MBO Desktop D845PESV */
661 .matches = {
662 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
663 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
664 },
665 },
666 {
667 /*
668 * Intel NUC D54250WYK - does not have i8042 controller but
669 * declares PS/2 devices in DSDT.
670 */
671 .matches = {
672 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
673 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
674 },
675 },
676 {
677 /* MSI Wind U-100 */
678 .matches = {
679 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
680 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
681 },
682 },
683 { }
684 };
685
686 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
687 {
688 .matches = {
689 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
690 },
691 },
692 {
693 .matches = {
694 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
695 },
696 },
697 {
698 .matches = {
699 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
700 },
701 },
702 {
703 .matches = {
704 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
705 },
706 },
707 { }
708 };
709 #endif
710
711 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
712 {
713 /* Dell Vostro V13 */
714 .matches = {
715 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
716 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
717 },
718 },
719 {
720 /* Newer HP Pavilion dv4 models */
721 .matches = {
722 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
723 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
724 },
725 },
726 {
727 /* Fujitsu A544 laptop */
728 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
729 .matches = {
730 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
731 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
732 },
733 },
734 {
735 /* Fujitsu AH544 laptop */
736 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
737 .matches = {
738 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
739 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
740 },
741 },
742 {
743 /* Fujitsu U574 laptop */
744 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
745 .matches = {
746 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
747 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
748 },
749 },
750 {
751 /* Fujitsu UH554 laptop */
752 .matches = {
753 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
754 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
755 },
756 },
757 { }
758 };
759
760 /*
761 * Some Wistron based laptops need us to explicitly enable the 'Dritek
762 * keyboard extension' to make their extra keys start generating scancodes.
763 * Originally, this was just confined to older laptops, but a few Acer laptops
764 * have turned up in 2007 that also need this again.
765 */
766 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
767 {
768 /* Acer Aspire 5100 */
769 .matches = {
770 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
771 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
772 },
773 },
774 {
775 /* Acer Aspire 5610 */
776 .matches = {
777 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
778 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
779 },
780 },
781 {
782 /* Acer Aspire 5630 */
783 .matches = {
784 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
785 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
786 },
787 },
788 {
789 /* Acer Aspire 5650 */
790 .matches = {
791 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
792 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
793 },
794 },
795 {
796 /* Acer Aspire 5680 */
797 .matches = {
798 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
799 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
800 },
801 },
802 {
803 /* Acer Aspire 5720 */
804 .matches = {
805 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
806 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
807 },
808 },
809 {
810 /* Acer Aspire 9110 */
811 .matches = {
812 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
813 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
814 },
815 },
816 {
817 /* Acer TravelMate 660 */
818 .matches = {
819 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
820 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
821 },
822 },
823 {
824 /* Acer TravelMate 2490 */
825 .matches = {
826 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
827 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
828 },
829 },
830 {
831 /* Acer TravelMate 4280 */
832 .matches = {
833 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
834 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
835 },
836 },
837 { }
838 };
839
840 /*
841 * Some laptops need keyboard reset before probing for the trackpad to get
842 * it detected, initialised & finally work.
843 */
844 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
845 {
846 /* Gigabyte P35 v2 - Elantech touchpad */
847 .matches = {
848 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
849 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
850 },
851 },
852 {
853 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
854 .matches = {
855 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
856 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
857 },
858 },
859 {
860 /* Gigabyte P34 - Elantech touchpad */
861 .matches = {
862 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
863 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
864 },
865 },
866 {
867 /* Gigabyte P57 - Elantech touchpad */
868 .matches = {
869 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
870 DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
871 },
872 },
873 {
874 /* Schenker XMG C504 - Elantech touchpad */
875 .matches = {
876 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
877 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
878 },
879 },
880 { }
881 };
882
883 #endif /* CONFIG_X86 */
884
885 #ifdef CONFIG_PNP
886 #include <linux/pnp.h>
887
888 static bool i8042_pnp_kbd_registered;
889 static unsigned int i8042_pnp_kbd_devices;
890 static bool i8042_pnp_aux_registered;
891 static unsigned int i8042_pnp_aux_devices;
892
893 static int i8042_pnp_command_reg;
894 static int i8042_pnp_data_reg;
895 static int i8042_pnp_kbd_irq;
896 static int i8042_pnp_aux_irq;
897
898 static char i8042_pnp_kbd_name[32];
899 static char i8042_pnp_aux_name[32];
900
i8042_pnp_id_to_string(struct pnp_id * id,char * dst,int dst_size)901 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
902 {
903 strlcpy(dst, "PNP:", dst_size);
904
905 while (id) {
906 strlcat(dst, " ", dst_size);
907 strlcat(dst, id->id, dst_size);
908 id = id->next;
909 }
910 }
911
i8042_pnp_kbd_probe(struct pnp_dev * dev,const struct pnp_device_id * did)912 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
913 {
914 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
915 i8042_pnp_data_reg = pnp_port_start(dev,0);
916
917 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
918 i8042_pnp_command_reg = pnp_port_start(dev, 1);
919
920 if (pnp_irq_valid(dev,0))
921 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
922
923 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
924 if (strlen(pnp_dev_name(dev))) {
925 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
926 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
927 }
928 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
929 sizeof(i8042_kbd_firmware_id));
930
931 /* Keyboard ports are always supposed to be wakeup-enabled */
932 device_set_wakeup_enable(&dev->dev, true);
933
934 i8042_pnp_kbd_devices++;
935 return 0;
936 }
937
i8042_pnp_aux_probe(struct pnp_dev * dev,const struct pnp_device_id * did)938 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
939 {
940 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
941 i8042_pnp_data_reg = pnp_port_start(dev,0);
942
943 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
944 i8042_pnp_command_reg = pnp_port_start(dev, 1);
945
946 if (pnp_irq_valid(dev, 0))
947 i8042_pnp_aux_irq = pnp_irq(dev, 0);
948
949 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
950 if (strlen(pnp_dev_name(dev))) {
951 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
952 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
953 }
954 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
955 sizeof(i8042_aux_firmware_id));
956
957 i8042_pnp_aux_devices++;
958 return 0;
959 }
960
961 static const struct pnp_device_id pnp_kbd_devids[] = {
962 { .id = "PNP0300", .driver_data = 0 },
963 { .id = "PNP0301", .driver_data = 0 },
964 { .id = "PNP0302", .driver_data = 0 },
965 { .id = "PNP0303", .driver_data = 0 },
966 { .id = "PNP0304", .driver_data = 0 },
967 { .id = "PNP0305", .driver_data = 0 },
968 { .id = "PNP0306", .driver_data = 0 },
969 { .id = "PNP0309", .driver_data = 0 },
970 { .id = "PNP030a", .driver_data = 0 },
971 { .id = "PNP030b", .driver_data = 0 },
972 { .id = "PNP0320", .driver_data = 0 },
973 { .id = "PNP0343", .driver_data = 0 },
974 { .id = "PNP0344", .driver_data = 0 },
975 { .id = "PNP0345", .driver_data = 0 },
976 { .id = "CPQA0D7", .driver_data = 0 },
977 { .id = "", },
978 };
979 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
980
981 static struct pnp_driver i8042_pnp_kbd_driver = {
982 .name = "i8042 kbd",
983 .id_table = pnp_kbd_devids,
984 .probe = i8042_pnp_kbd_probe,
985 .driver = {
986 .probe_type = PROBE_FORCE_SYNCHRONOUS,
987 .suppress_bind_attrs = true,
988 },
989 };
990
991 static const struct pnp_device_id pnp_aux_devids[] = {
992 { .id = "AUI0200", .driver_data = 0 },
993 { .id = "FJC6000", .driver_data = 0 },
994 { .id = "FJC6001", .driver_data = 0 },
995 { .id = "PNP0f03", .driver_data = 0 },
996 { .id = "PNP0f0b", .driver_data = 0 },
997 { .id = "PNP0f0e", .driver_data = 0 },
998 { .id = "PNP0f12", .driver_data = 0 },
999 { .id = "PNP0f13", .driver_data = 0 },
1000 { .id = "PNP0f19", .driver_data = 0 },
1001 { .id = "PNP0f1c", .driver_data = 0 },
1002 { .id = "SYN0801", .driver_data = 0 },
1003 { .id = "", },
1004 };
1005 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1006
1007 static struct pnp_driver i8042_pnp_aux_driver = {
1008 .name = "i8042 aux",
1009 .id_table = pnp_aux_devids,
1010 .probe = i8042_pnp_aux_probe,
1011 .driver = {
1012 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1013 .suppress_bind_attrs = true,
1014 },
1015 };
1016
i8042_pnp_exit(void)1017 static void i8042_pnp_exit(void)
1018 {
1019 if (i8042_pnp_kbd_registered) {
1020 i8042_pnp_kbd_registered = false;
1021 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1022 }
1023
1024 if (i8042_pnp_aux_registered) {
1025 i8042_pnp_aux_registered = false;
1026 pnp_unregister_driver(&i8042_pnp_aux_driver);
1027 }
1028 }
1029
i8042_pnp_init(void)1030 static int __init i8042_pnp_init(void)
1031 {
1032 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1033 bool pnp_data_busted = false;
1034 int err;
1035
1036 #ifdef CONFIG_X86
1037 if (dmi_check_system(i8042_dmi_nopnp_table))
1038 i8042_nopnp = true;
1039 #endif
1040
1041 if (i8042_nopnp) {
1042 pr_info("PNP detection disabled\n");
1043 return 0;
1044 }
1045
1046 err = pnp_register_driver(&i8042_pnp_kbd_driver);
1047 if (!err)
1048 i8042_pnp_kbd_registered = true;
1049
1050 err = pnp_register_driver(&i8042_pnp_aux_driver);
1051 if (!err)
1052 i8042_pnp_aux_registered = true;
1053
1054 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1055 i8042_pnp_exit();
1056 #if defined(__ia64__)
1057 return -ENODEV;
1058 #else
1059 pr_info("PNP: No PS/2 controller found.\n");
1060 if (x86_platform.legacy.i8042 !=
1061 X86_LEGACY_I8042_EXPECTED_PRESENT)
1062 return -ENODEV;
1063 pr_info("Probing ports directly.\n");
1064 return 0;
1065 #endif
1066 }
1067
1068 if (i8042_pnp_kbd_devices)
1069 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1070 "%d", i8042_pnp_kbd_irq);
1071 if (i8042_pnp_aux_devices)
1072 snprintf(aux_irq_str, sizeof(aux_irq_str),
1073 "%d", i8042_pnp_aux_irq);
1074
1075 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1076 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1077 i8042_pnp_aux_name,
1078 i8042_pnp_data_reg, i8042_pnp_command_reg,
1079 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1080 aux_irq_str);
1081
1082 #if defined(__ia64__)
1083 if (!i8042_pnp_kbd_devices)
1084 i8042_nokbd = true;
1085 if (!i8042_pnp_aux_devices)
1086 i8042_noaux = true;
1087 #endif
1088
1089 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1090 i8042_pnp_data_reg != i8042_data_reg) ||
1091 !i8042_pnp_data_reg) {
1092 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1093 i8042_pnp_data_reg, i8042_data_reg);
1094 i8042_pnp_data_reg = i8042_data_reg;
1095 pnp_data_busted = true;
1096 }
1097
1098 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1099 i8042_pnp_command_reg != i8042_command_reg) ||
1100 !i8042_pnp_command_reg) {
1101 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1102 i8042_pnp_command_reg, i8042_command_reg);
1103 i8042_pnp_command_reg = i8042_command_reg;
1104 pnp_data_busted = true;
1105 }
1106
1107 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1108 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1109 i8042_kbd_irq);
1110 i8042_pnp_kbd_irq = i8042_kbd_irq;
1111 pnp_data_busted = true;
1112 }
1113
1114 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1115 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1116 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1117 "if this is incorrect please boot with i8042.nopnp\n");
1118 i8042_noaux = true;
1119 } else {
1120 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1121 i8042_aux_irq);
1122 i8042_pnp_aux_irq = i8042_aux_irq;
1123 }
1124 }
1125
1126 i8042_data_reg = i8042_pnp_data_reg;
1127 i8042_command_reg = i8042_pnp_command_reg;
1128 i8042_kbd_irq = i8042_pnp_kbd_irq;
1129 i8042_aux_irq = i8042_pnp_aux_irq;
1130
1131 #ifdef CONFIG_X86
1132 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1133 dmi_check_system(i8042_dmi_laptop_table);
1134 #endif
1135
1136 return 0;
1137 }
1138
1139 #else /* !CONFIG_PNP */
i8042_pnp_init(void)1140 static inline int i8042_pnp_init(void) { return 0; }
i8042_pnp_exit(void)1141 static inline void i8042_pnp_exit(void) { }
1142 #endif /* CONFIG_PNP */
1143
i8042_platform_init(void)1144 static int __init i8042_platform_init(void)
1145 {
1146 int retval;
1147
1148 #ifdef CONFIG_X86
1149 u8 a20_on = 0xdf;
1150 /* Just return if platform does not have i8042 controller */
1151 if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1152 return -ENODEV;
1153 #endif
1154
1155 /*
1156 * On ix86 platforms touching the i8042 data register region can do really
1157 * bad things. Because of this the region is always reserved on ix86 boxes.
1158 *
1159 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1160 * return -EBUSY;
1161 */
1162
1163 i8042_kbd_irq = I8042_MAP_IRQ(1);
1164 i8042_aux_irq = I8042_MAP_IRQ(12);
1165
1166 retval = i8042_pnp_init();
1167 if (retval)
1168 return retval;
1169
1170 #if defined(__ia64__)
1171 i8042_reset = I8042_RESET_ALWAYS;
1172 #endif
1173
1174 #ifdef CONFIG_X86
1175 /* Honor module parameter when value is not default */
1176 if (i8042_reset == I8042_RESET_DEFAULT) {
1177 if (dmi_check_system(i8042_dmi_reset_table))
1178 i8042_reset = I8042_RESET_ALWAYS;
1179
1180 if (dmi_check_system(i8042_dmi_noselftest_table))
1181 i8042_reset = I8042_RESET_NEVER;
1182 }
1183
1184 if (dmi_check_system(i8042_dmi_noloop_table))
1185 i8042_noloop = true;
1186
1187 if (dmi_check_system(i8042_dmi_nomux_table))
1188 i8042_nomux = true;
1189
1190 if (dmi_check_system(i8042_dmi_forcemux_table))
1191 i8042_nomux = false;
1192
1193 if (dmi_check_system(i8042_dmi_notimeout_table))
1194 i8042_notimeout = true;
1195
1196 if (dmi_check_system(i8042_dmi_dritek_table))
1197 i8042_dritek = true;
1198
1199 if (dmi_check_system(i8042_dmi_kbdreset_table))
1200 i8042_kbdreset = true;
1201
1202 /*
1203 * A20 was already enabled during early kernel init. But some buggy
1204 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1205 * resume from S3. So we do it here and hope that nothing breaks.
1206 */
1207 i8042_command(&a20_on, 0x10d1);
1208 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1209 #endif /* CONFIG_X86 */
1210
1211 return retval;
1212 }
1213
i8042_platform_exit(void)1214 static inline void i8042_platform_exit(void)
1215 {
1216 i8042_pnp_exit();
1217 }
1218
1219 #endif /* _I8042_X86IA64IO_H */
1220
