1 #ifndef _I8042_X86IA64IO_H
2 #define _I8042_X86IA64IO_H
3
4 /*
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published by
7 * the Free Software Foundation.
8 */
9
10 #ifdef CONFIG_X86
11 #include <asm/x86_init.h>
12 #endif
13
14 /*
15 * Names.
16 */
17
18 #define I8042_KBD_PHYS_DESC "isa0060/serio0"
19 #define I8042_AUX_PHYS_DESC "isa0060/serio1"
20 #define I8042_MUX_PHYS_DESC "isa0060/serio%d"
21
22 /*
23 * IRQs.
24 */
25
26 #if defined(__ia64__)
27 # define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
28 #else
29 # define I8042_MAP_IRQ(x) (x)
30 #endif
31
32 #define I8042_KBD_IRQ i8042_kbd_irq
33 #define I8042_AUX_IRQ i8042_aux_irq
34
35 static int i8042_kbd_irq;
36 static int i8042_aux_irq;
37
38 /*
39 * Register numbers.
40 */
41
42 #define I8042_COMMAND_REG i8042_command_reg
43 #define I8042_STATUS_REG i8042_command_reg
44 #define I8042_DATA_REG i8042_data_reg
45
46 static int i8042_command_reg = 0x64;
47 static int i8042_data_reg = 0x60;
48
49
i8042_read_data(void)50 static inline int i8042_read_data(void)
51 {
52 return inb(I8042_DATA_REG);
53 }
54
i8042_read_status(void)55 static inline int i8042_read_status(void)
56 {
57 return inb(I8042_STATUS_REG);
58 }
59
i8042_write_data(int val)60 static inline void i8042_write_data(int val)
61 {
62 outb(val, I8042_DATA_REG);
63 }
64
i8042_write_command(int val)65 static inline void i8042_write_command(int val)
66 {
67 outb(val, I8042_COMMAND_REG);
68 }
69
70 #ifdef CONFIG_X86
71
72 #include <linux/dmi.h>
73
74 static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
75 {
76 /*
77 * Arima-Rioworks HDAMB -
78 * AUX LOOP command does not raise AUX IRQ
79 */
80 .matches = {
81 DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
82 DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
83 DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
84 },
85 },
86 {
87 /* ASUS G1S */
88 .matches = {
89 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
90 DMI_MATCH(DMI_BOARD_NAME, "G1S"),
91 DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
92 },
93 },
94 {
95 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
96 .matches = {
97 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
98 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
99 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
100 },
101 },
102 {
103 .matches = {
104 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
105 DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
106 },
107 },
108 {
109 .matches = {
110 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
111 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
112 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
113 },
114 },
115 {
116 .matches = {
117 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
118 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
119 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
120 },
121 },
122 {
123 /* Dell Embedded Box PC 3000 */
124 .matches = {
125 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
126 DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
127 },
128 },
129 {
130 /* OQO Model 01 */
131 .matches = {
132 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
133 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
134 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
135 },
136 },
137 {
138 /* ULI EV4873 - AUX LOOP does not work properly */
139 .matches = {
140 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
141 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
142 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
143 },
144 },
145 {
146 /* Microsoft Virtual Machine */
147 .matches = {
148 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
149 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
150 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
151 },
152 },
153 {
154 /* Medion MAM 2070 */
155 .matches = {
156 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
157 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
158 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
159 },
160 },
161 {
162 /* Medion Akoya E7225 */
163 .matches = {
164 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
165 DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
166 DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
167 },
168 },
169 {
170 /* Blue FB5601 */
171 .matches = {
172 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
173 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
174 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
175 },
176 },
177 {
178 /* Gigabyte M912 */
179 .matches = {
180 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
181 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
182 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
183 },
184 },
185 {
186 /* Gigabyte M1022M netbook */
187 .matches = {
188 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
189 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
190 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
191 },
192 },
193 {
194 /* Gigabyte Spring Peak - defines wrong chassis type */
195 .matches = {
196 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
197 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
198 },
199 },
200 {
201 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
202 .matches = {
203 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
204 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
205 },
206 },
207 {
208 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
209 .matches = {
210 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
211 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
212 },
213 },
214 {
215 .matches = {
216 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
217 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
218 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
219 },
220 },
221 {
222 .matches = {
223 DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
224 DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
225 },
226 },
227 {
228 .matches = {
229 DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
230 DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
231 },
232 },
233 { }
234 };
235
236 /*
237 * Some Fujitsu notebooks are having trouble with touchpads if
238 * active multiplexing mode is activated. Luckily they don't have
239 * external PS/2 ports so we can safely disable it.
240 * ... apparently some Toshibas don't like MUX mode either and
241 * die horrible death on reboot.
242 */
243 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
244 {
245 /* Fujitsu Lifebook P7010/P7010D */
246 .matches = {
247 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
248 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
249 },
250 },
251 {
252 /* Fujitsu Lifebook P7010 */
253 .matches = {
254 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
255 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
256 },
257 },
258 {
259 /* Fujitsu Lifebook P5020D */
260 .matches = {
261 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
262 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
263 },
264 },
265 {
266 /* Fujitsu Lifebook S2000 */
267 .matches = {
268 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
269 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
270 },
271 },
272 {
273 /* Fujitsu Lifebook S6230 */
274 .matches = {
275 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
276 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
277 },
278 },
279 {
280 /* Fujitsu Lifebook T725 laptop */
281 .matches = {
282 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
283 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
284 },
285 },
286 {
287 /* Fujitsu Lifebook U745 */
288 .matches = {
289 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
290 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
291 },
292 },
293 {
294 /* Fujitsu T70H */
295 .matches = {
296 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
297 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
298 },
299 },
300 {
301 /* Fujitsu-Siemens Lifebook T3010 */
302 .matches = {
303 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
304 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
305 },
306 },
307 {
308 /* Fujitsu-Siemens Lifebook E4010 */
309 .matches = {
310 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
311 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
312 },
313 },
314 {
315 /* Fujitsu-Siemens Amilo Pro 2010 */
316 .matches = {
317 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
318 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
319 },
320 },
321 {
322 /* Fujitsu-Siemens Amilo Pro 2030 */
323 .matches = {
324 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
325 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
326 },
327 },
328 {
329 /*
330 * No data is coming from the touchscreen unless KBC
331 * is in legacy mode.
332 */
333 /* Panasonic CF-29 */
334 .matches = {
335 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
336 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
337 },
338 },
339 {
340 /*
341 * HP Pavilion DV4017EA -
342 * errors on MUX ports are reported without raising AUXDATA
343 * causing "spurious NAK" messages.
344 */
345 .matches = {
346 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
347 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
348 },
349 },
350 {
351 /*
352 * HP Pavilion ZT1000 -
353 * like DV4017EA does not raise AUXERR for errors on MUX ports.
354 */
355 .matches = {
356 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
357 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
358 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
359 },
360 },
361 {
362 /*
363 * HP Pavilion DV4270ca -
364 * like DV4017EA does not raise AUXERR for errors on MUX ports.
365 */
366 .matches = {
367 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
368 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
369 },
370 },
371 {
372 .matches = {
373 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
374 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
375 },
376 },
377 {
378 .matches = {
379 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
380 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
381 },
382 },
383 {
384 .matches = {
385 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
386 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
387 },
388 },
389 {
390 .matches = {
391 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
392 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
393 },
394 },
395 {
396 /* Sharp Actius MM20 */
397 .matches = {
398 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
399 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
400 },
401 },
402 {
403 /* Sony Vaio FS-115b */
404 .matches = {
405 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
406 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
407 },
408 },
409 {
410 /*
411 * Sony Vaio FZ-240E -
412 * reset and GET ID commands issued via KBD port are
413 * sometimes being delivered to AUX3.
414 */
415 .matches = {
416 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
417 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
418 },
419 },
420 {
421 /*
422 * Most (all?) VAIOs do not have external PS/2 ports nor
423 * they implement active multiplexing properly, and
424 * MUX discovery usually messes up keyboard/touchpad.
425 */
426 .matches = {
427 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
428 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
429 },
430 },
431 {
432 /* Amoi M636/A737 */
433 .matches = {
434 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
435 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
436 },
437 },
438 {
439 /* Lenovo 3000 n100 */
440 .matches = {
441 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
442 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
443 },
444 },
445 {
446 /* Lenovo XiaoXin Air 12 */
447 .matches = {
448 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
449 DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
450 },
451 },
452 {
453 .matches = {
454 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
455 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
456 },
457 },
458 {
459 /* Acer Aspire 5710 */
460 .matches = {
461 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
462 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
463 },
464 },
465 {
466 /* Acer Aspire 7738 */
467 .matches = {
468 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
469 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
470 },
471 },
472 {
473 /* Gericom Bellagio */
474 .matches = {
475 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
476 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
477 },
478 },
479 {
480 /* IBM 2656 */
481 .matches = {
482 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
483 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
484 },
485 },
486 {
487 /* Dell XPS M1530 */
488 .matches = {
489 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
490 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
491 },
492 },
493 {
494 /* Compal HEL80I */
495 .matches = {
496 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
497 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
498 },
499 },
500 {
501 /* Dell Vostro 1510 */
502 .matches = {
503 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
504 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
505 },
506 },
507 {
508 /* Acer Aspire 5536 */
509 .matches = {
510 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
511 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
512 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
513 },
514 },
515 {
516 /* Dell Vostro V13 */
517 .matches = {
518 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
519 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
520 },
521 },
522 {
523 /* Newer HP Pavilion dv4 models */
524 .matches = {
525 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
526 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
527 },
528 },
529 {
530 /* Asus X450LCP */
531 .matches = {
532 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
533 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
534 },
535 },
536 {
537 /* Avatar AVIU-145A6 */
538 .matches = {
539 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
540 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
541 },
542 },
543 {
544 /* TUXEDO BU1406 */
545 .matches = {
546 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
547 DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
548 },
549 },
550 {
551 /* Lenovo LaVie Z */
552 .matches = {
553 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
554 DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
555 },
556 },
557 {
558 /*
559 * Acer Aspire 5738z
560 * Touchpad stops working in mux mode when dis- + re-enabled
561 * with the touchpad enable/disable toggle hotkey
562 */
563 .matches = {
564 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
565 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
566 },
567 },
568 {
569 /* Entroware Proteus */
570 .matches = {
571 DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
572 DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
573 DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
574 },
575 },
576 { }
577 };
578
579 static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
580 {
581 /*
582 * Sony Vaio VGN-CS series require MUX or the touch sensor
583 * buttons will disturb touchpad operation
584 */
585 .matches = {
586 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
587 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
588 },
589 },
590 { }
591 };
592
593 /*
594 * On some Asus laptops, just running self tests cause problems.
595 */
596 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
597 {
598 .matches = {
599 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
600 DMI_MATCH(DMI_PRODUCT_NAME, "A455LD"),
601 },
602 },
603 {
604 .matches = {
605 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
606 DMI_MATCH(DMI_PRODUCT_NAME, "K401LB"),
607 },
608 },
609 {
610 .matches = {
611 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
612 DMI_MATCH(DMI_PRODUCT_NAME, "K501LB"),
613 },
614 },
615 {
616 .matches = {
617 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
618 DMI_MATCH(DMI_PRODUCT_NAME, "K501LX"),
619 },
620 },
621 {
622 .matches = {
623 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
624 DMI_MATCH(DMI_PRODUCT_NAME, "R409L"),
625 },
626 },
627 {
628 .matches = {
629 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
630 DMI_MATCH(DMI_PRODUCT_NAME, "V502LX"),
631 },
632 },
633 {
634 .matches = {
635 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
636 DMI_MATCH(DMI_PRODUCT_NAME, "X302LA"),
637 },
638 },
639 {
640 .matches = {
641 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
642 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
643 },
644 },
645 {
646 .matches = {
647 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
648 DMI_MATCH(DMI_PRODUCT_NAME, "X450LD"),
649 },
650 },
651 {
652 .matches = {
653 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
654 DMI_MATCH(DMI_PRODUCT_NAME, "X455LAB"),
655 },
656 },
657 {
658 .matches = {
659 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
660 DMI_MATCH(DMI_PRODUCT_NAME, "X455LDB"),
661 },
662 },
663 {
664 .matches = {
665 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
666 DMI_MATCH(DMI_PRODUCT_NAME, "X455LF"),
667 },
668 },
669 {
670 .matches = {
671 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
672 DMI_MATCH(DMI_PRODUCT_NAME, "Z450LA"),
673 },
674 },
675 {
676 .matches = {
677 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
678 DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
679 },
680 },
681 { }
682 };
683 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
684 {
685 /* MSI Wind U-100 */
686 .matches = {
687 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
688 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
689 },
690 },
691 {
692 /* LG Electronics X110 */
693 .matches = {
694 DMI_MATCH(DMI_BOARD_NAME, "X110"),
695 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
696 },
697 },
698 {
699 /* Acer Aspire One 150 */
700 .matches = {
701 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
702 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
703 },
704 },
705 {
706 .matches = {
707 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
708 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
709 },
710 },
711 {
712 .matches = {
713 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
714 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
715 },
716 },
717 {
718 .matches = {
719 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
720 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
721 },
722 },
723 {
724 .matches = {
725 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
726 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
727 },
728 },
729 {
730 .matches = {
731 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
732 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
733 },
734 },
735 {
736 .matches = {
737 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
738 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
739 },
740 },
741 {
742 .matches = {
743 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
744 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
745 },
746 },
747 {
748 /* Advent 4211 */
749 .matches = {
750 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
751 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
752 },
753 },
754 {
755 /* Medion Akoya Mini E1210 */
756 .matches = {
757 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
758 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
759 },
760 },
761 {
762 /* Medion Akoya E1222 */
763 .matches = {
764 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
765 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
766 },
767 },
768 {
769 /* Mivvy M310 */
770 .matches = {
771 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
772 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
773 },
774 },
775 {
776 /* Dell Vostro 1320 */
777 .matches = {
778 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
779 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
780 },
781 },
782 {
783 /* Dell Vostro 1520 */
784 .matches = {
785 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
786 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
787 },
788 },
789 {
790 /* Dell Vostro 1720 */
791 .matches = {
792 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
793 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
794 },
795 },
796 {
797 /* Lenovo Ideapad U455 */
798 .matches = {
799 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
800 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
801 },
802 },
803 {
804 /* Lenovo ThinkPad L460 */
805 .matches = {
806 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
807 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
808 },
809 },
810 {
811 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
812 .matches = {
813 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
814 DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
815 },
816 },
817 {
818 /* Lenovo ThinkPad Twist S230u */
819 .matches = {
820 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
821 DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
822 },
823 },
824 {
825 /* Entroware Proteus */
826 .matches = {
827 DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
828 DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
829 DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
830 },
831 },
832 { }
833 };
834
835 #ifdef CONFIG_PNP
836 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
837 {
838 /* Intel MBO Desktop D845PESV */
839 .matches = {
840 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
841 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
842 },
843 },
844 {
845 /*
846 * Intel NUC D54250WYK - does not have i8042 controller but
847 * declares PS/2 devices in DSDT.
848 */
849 .matches = {
850 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
851 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
852 },
853 },
854 {
855 /* MSI Wind U-100 */
856 .matches = {
857 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
858 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
859 },
860 },
861 {
862 /* Acer Aspire 5 A515 */
863 .matches = {
864 DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
865 DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
866 },
867 },
868 { }
869 };
870
871 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
872 {
873 .matches = {
874 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
875 },
876 },
877 {
878 .matches = {
879 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
880 },
881 },
882 {
883 .matches = {
884 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
885 },
886 },
887 {
888 .matches = {
889 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
890 },
891 },
892 { }
893 };
894 #endif
895
896 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
897 {
898 /* Dell Vostro V13 */
899 .matches = {
900 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
901 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
902 },
903 },
904 {
905 /* Newer HP Pavilion dv4 models */
906 .matches = {
907 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
908 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
909 },
910 },
911 {
912 /* Fujitsu A544 laptop */
913 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
914 .matches = {
915 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
916 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
917 },
918 },
919 {
920 /* Fujitsu AH544 laptop */
921 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
922 .matches = {
923 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
924 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
925 },
926 },
927 {
928 /* Fujitsu Lifebook T725 laptop */
929 .matches = {
930 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
931 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
932 },
933 },
934 {
935 /* Fujitsu U574 laptop */
936 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
937 .matches = {
938 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
939 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
940 },
941 },
942 {
943 /* Fujitsu UH554 laptop */
944 .matches = {
945 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
946 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
947 },
948 },
949 { }
950 };
951
952 /*
953 * Some Wistron based laptops need us to explicitly enable the 'Dritek
954 * keyboard extension' to make their extra keys start generating scancodes.
955 * Originally, this was just confined to older laptops, but a few Acer laptops
956 * have turned up in 2007 that also need this again.
957 */
958 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
959 {
960 /* Acer Aspire 5100 */
961 .matches = {
962 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
963 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
964 },
965 },
966 {
967 /* Acer Aspire 5610 */
968 .matches = {
969 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
970 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
971 },
972 },
973 {
974 /* Acer Aspire 5630 */
975 .matches = {
976 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
977 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
978 },
979 },
980 {
981 /* Acer Aspire 5650 */
982 .matches = {
983 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
984 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
985 },
986 },
987 {
988 /* Acer Aspire 5680 */
989 .matches = {
990 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
991 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
992 },
993 },
994 {
995 /* Acer Aspire 5720 */
996 .matches = {
997 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
998 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
999 },
1000 },
1001 {
1002 /* Acer Aspire 9110 */
1003 .matches = {
1004 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1005 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
1006 },
1007 },
1008 {
1009 /* Acer TravelMate 660 */
1010 .matches = {
1011 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1012 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
1013 },
1014 },
1015 {
1016 /* Acer TravelMate 2490 */
1017 .matches = {
1018 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1019 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
1020 },
1021 },
1022 {
1023 /* Acer TravelMate 4280 */
1024 .matches = {
1025 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1026 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
1027 },
1028 },
1029 { }
1030 };
1031
1032 /*
1033 * Some laptops need keyboard reset before probing for the trackpad to get
1034 * it detected, initialised & finally work.
1035 */
1036 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
1037 {
1038 /* Gigabyte P35 v2 - Elantech touchpad */
1039 .matches = {
1040 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1041 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
1042 },
1043 },
1044 {
1045 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
1046 .matches = {
1047 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1048 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
1049 },
1050 },
1051 {
1052 /* Gigabyte P34 - Elantech touchpad */
1053 .matches = {
1054 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1055 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
1056 },
1057 },
1058 {
1059 /* Gigabyte P57 - Elantech touchpad */
1060 .matches = {
1061 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1062 DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
1063 },
1064 },
1065 {
1066 /* Schenker XMG C504 - Elantech touchpad */
1067 .matches = {
1068 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
1069 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
1070 },
1071 },
1072 { }
1073 };
1074
1075 #endif /* CONFIG_X86 */
1076
1077 #ifdef CONFIG_PNP
1078 #include <linux/pnp.h>
1079
1080 static bool i8042_pnp_kbd_registered;
1081 static unsigned int i8042_pnp_kbd_devices;
1082 static bool i8042_pnp_aux_registered;
1083 static unsigned int i8042_pnp_aux_devices;
1084
1085 static int i8042_pnp_command_reg;
1086 static int i8042_pnp_data_reg;
1087 static int i8042_pnp_kbd_irq;
1088 static int i8042_pnp_aux_irq;
1089
1090 static char i8042_pnp_kbd_name[32];
1091 static char i8042_pnp_aux_name[32];
1092
i8042_pnp_id_to_string(struct pnp_id * id,char * dst,int dst_size)1093 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1094 {
1095 strlcpy(dst, "PNP:", dst_size);
1096
1097 while (id) {
1098 strlcat(dst, " ", dst_size);
1099 strlcat(dst, id->id, dst_size);
1100 id = id->next;
1101 }
1102 }
1103
i8042_pnp_kbd_probe(struct pnp_dev * dev,const struct pnp_device_id * did)1104 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1105 {
1106 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1107 i8042_pnp_data_reg = pnp_port_start(dev,0);
1108
1109 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1110 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1111
1112 if (pnp_irq_valid(dev,0))
1113 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1114
1115 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1116 if (strlen(pnp_dev_name(dev))) {
1117 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1118 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1119 }
1120 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1121 sizeof(i8042_kbd_firmware_id));
1122
1123 /* Keyboard ports are always supposed to be wakeup-enabled */
1124 device_set_wakeup_enable(&dev->dev, true);
1125
1126 i8042_pnp_kbd_devices++;
1127 return 0;
1128 }
1129
i8042_pnp_aux_probe(struct pnp_dev * dev,const struct pnp_device_id * did)1130 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1131 {
1132 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1133 i8042_pnp_data_reg = pnp_port_start(dev,0);
1134
1135 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1136 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1137
1138 if (pnp_irq_valid(dev, 0))
1139 i8042_pnp_aux_irq = pnp_irq(dev, 0);
1140
1141 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1142 if (strlen(pnp_dev_name(dev))) {
1143 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1144 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1145 }
1146 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1147 sizeof(i8042_aux_firmware_id));
1148
1149 i8042_pnp_aux_devices++;
1150 return 0;
1151 }
1152
1153 static struct pnp_device_id pnp_kbd_devids[] = {
1154 { .id = "PNP0300", .driver_data = 0 },
1155 { .id = "PNP0301", .driver_data = 0 },
1156 { .id = "PNP0302", .driver_data = 0 },
1157 { .id = "PNP0303", .driver_data = 0 },
1158 { .id = "PNP0304", .driver_data = 0 },
1159 { .id = "PNP0305", .driver_data = 0 },
1160 { .id = "PNP0306", .driver_data = 0 },
1161 { .id = "PNP0309", .driver_data = 0 },
1162 { .id = "PNP030a", .driver_data = 0 },
1163 { .id = "PNP030b", .driver_data = 0 },
1164 { .id = "PNP0320", .driver_data = 0 },
1165 { .id = "PNP0343", .driver_data = 0 },
1166 { .id = "PNP0344", .driver_data = 0 },
1167 { .id = "PNP0345", .driver_data = 0 },
1168 { .id = "CPQA0D7", .driver_data = 0 },
1169 { .id = "", },
1170 };
1171 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1172
1173 static struct pnp_driver i8042_pnp_kbd_driver = {
1174 .name = "i8042 kbd",
1175 .id_table = pnp_kbd_devids,
1176 .probe = i8042_pnp_kbd_probe,
1177 };
1178
1179 static struct pnp_device_id pnp_aux_devids[] = {
1180 { .id = "AUI0200", .driver_data = 0 },
1181 { .id = "FJC6000", .driver_data = 0 },
1182 { .id = "FJC6001", .driver_data = 0 },
1183 { .id = "PNP0f03", .driver_data = 0 },
1184 { .id = "PNP0f0b", .driver_data = 0 },
1185 { .id = "PNP0f0e", .driver_data = 0 },
1186 { .id = "PNP0f12", .driver_data = 0 },
1187 { .id = "PNP0f13", .driver_data = 0 },
1188 { .id = "PNP0f19", .driver_data = 0 },
1189 { .id = "PNP0f1c", .driver_data = 0 },
1190 { .id = "SYN0801", .driver_data = 0 },
1191 { .id = "", },
1192 };
1193 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1194
1195 static struct pnp_driver i8042_pnp_aux_driver = {
1196 .name = "i8042 aux",
1197 .id_table = pnp_aux_devids,
1198 .probe = i8042_pnp_aux_probe,
1199 };
1200
i8042_pnp_exit(void)1201 static void i8042_pnp_exit(void)
1202 {
1203 if (i8042_pnp_kbd_registered) {
1204 i8042_pnp_kbd_registered = false;
1205 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1206 }
1207
1208 if (i8042_pnp_aux_registered) {
1209 i8042_pnp_aux_registered = false;
1210 pnp_unregister_driver(&i8042_pnp_aux_driver);
1211 }
1212 }
1213
i8042_pnp_init(void)1214 static int __init i8042_pnp_init(void)
1215 {
1216 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1217 bool pnp_data_busted = false;
1218 int err;
1219
1220 #ifdef CONFIG_X86
1221 if (dmi_check_system(i8042_dmi_nopnp_table))
1222 i8042_nopnp = true;
1223 #endif
1224
1225 if (i8042_nopnp) {
1226 pr_info("PNP detection disabled\n");
1227 return 0;
1228 }
1229
1230 err = pnp_register_driver(&i8042_pnp_kbd_driver);
1231 if (!err)
1232 i8042_pnp_kbd_registered = true;
1233
1234 err = pnp_register_driver(&i8042_pnp_aux_driver);
1235 if (!err)
1236 i8042_pnp_aux_registered = true;
1237
1238 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1239 i8042_pnp_exit();
1240 #if defined(__ia64__)
1241 return -ENODEV;
1242 #else
1243 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
1244 return 0;
1245 #endif
1246 }
1247
1248 if (i8042_pnp_kbd_devices)
1249 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1250 "%d", i8042_pnp_kbd_irq);
1251 if (i8042_pnp_aux_devices)
1252 snprintf(aux_irq_str, sizeof(aux_irq_str),
1253 "%d", i8042_pnp_aux_irq);
1254
1255 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1256 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1257 i8042_pnp_aux_name,
1258 i8042_pnp_data_reg, i8042_pnp_command_reg,
1259 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1260 aux_irq_str);
1261
1262 #if defined(__ia64__)
1263 if (!i8042_pnp_kbd_devices)
1264 i8042_nokbd = true;
1265 if (!i8042_pnp_aux_devices)
1266 i8042_noaux = true;
1267 #endif
1268
1269 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1270 i8042_pnp_data_reg != i8042_data_reg) ||
1271 !i8042_pnp_data_reg) {
1272 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1273 i8042_pnp_data_reg, i8042_data_reg);
1274 i8042_pnp_data_reg = i8042_data_reg;
1275 pnp_data_busted = true;
1276 }
1277
1278 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1279 i8042_pnp_command_reg != i8042_command_reg) ||
1280 !i8042_pnp_command_reg) {
1281 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1282 i8042_pnp_command_reg, i8042_command_reg);
1283 i8042_pnp_command_reg = i8042_command_reg;
1284 pnp_data_busted = true;
1285 }
1286
1287 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1288 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1289 i8042_kbd_irq);
1290 i8042_pnp_kbd_irq = i8042_kbd_irq;
1291 pnp_data_busted = true;
1292 }
1293
1294 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1295 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1296 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1297 "if this is incorrect please boot with i8042.nopnp\n");
1298 i8042_noaux = true;
1299 } else {
1300 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1301 i8042_aux_irq);
1302 i8042_pnp_aux_irq = i8042_aux_irq;
1303 }
1304 }
1305
1306 i8042_data_reg = i8042_pnp_data_reg;
1307 i8042_command_reg = i8042_pnp_command_reg;
1308 i8042_kbd_irq = i8042_pnp_kbd_irq;
1309 i8042_aux_irq = i8042_pnp_aux_irq;
1310
1311 #ifdef CONFIG_X86
1312 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1313 dmi_check_system(i8042_dmi_laptop_table);
1314 #endif
1315
1316 return 0;
1317 }
1318
1319 #else
i8042_pnp_init(void)1320 static inline int i8042_pnp_init(void) { return 0; }
i8042_pnp_exit(void)1321 static inline void i8042_pnp_exit(void) { }
1322 #endif
1323
i8042_platform_init(void)1324 static int __init i8042_platform_init(void)
1325 {
1326 int retval;
1327
1328 #ifdef CONFIG_X86
1329 u8 a20_on = 0xdf;
1330 /* Just return if pre-detection shows no i8042 controller exist */
1331 if (!x86_platform.i8042_detect())
1332 return -ENODEV;
1333 #endif
1334
1335 /*
1336 * On ix86 platforms touching the i8042 data register region can do really
1337 * bad things. Because of this the region is always reserved on ix86 boxes.
1338 *
1339 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1340 * return -EBUSY;
1341 */
1342
1343 i8042_kbd_irq = I8042_MAP_IRQ(1);
1344 i8042_aux_irq = I8042_MAP_IRQ(12);
1345
1346 retval = i8042_pnp_init();
1347 if (retval)
1348 return retval;
1349
1350 #if defined(__ia64__)
1351 i8042_reset = I8042_RESET_ALWAYS;
1352 #endif
1353
1354 #ifdef CONFIG_X86
1355 /* Honor module parameter when value is not default */
1356 if (i8042_reset == I8042_RESET_DEFAULT) {
1357 if (dmi_check_system(i8042_dmi_reset_table))
1358 i8042_reset = I8042_RESET_ALWAYS;
1359
1360 if (dmi_check_system(i8042_dmi_noselftest_table))
1361 i8042_reset = I8042_RESET_NEVER;
1362 }
1363
1364 if (dmi_check_system(i8042_dmi_noloop_table))
1365 i8042_noloop = true;
1366
1367 if (dmi_check_system(i8042_dmi_nomux_table))
1368 i8042_nomux = true;
1369
1370 if (dmi_check_system(i8042_dmi_forcemux_table))
1371 i8042_nomux = false;
1372
1373 if (dmi_check_system(i8042_dmi_notimeout_table))
1374 i8042_notimeout = true;
1375
1376 if (dmi_check_system(i8042_dmi_dritek_table))
1377 i8042_dritek = true;
1378
1379 if (dmi_check_system(i8042_dmi_kbdreset_table))
1380 i8042_kbdreset = true;
1381
1382 /*
1383 * A20 was already enabled during early kernel init. But some buggy
1384 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1385 * resume from S3. So we do it here and hope that nothing breaks.
1386 */
1387 i8042_command(&a20_on, 0x10d1);
1388 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1389 #endif /* CONFIG_X86 */
1390
1391 return retval;
1392 }
1393
i8042_platform_exit(void)1394 static inline void i8042_platform_exit(void)
1395 {
1396 i8042_pnp_exit();
1397 }
1398
1399 #endif /* _I8042_X86IA64IO_H */
1400