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 .matches = {
225 DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
226 DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
227 },
228 },
229 { }
230 };
231
232 /*
233 * Some Fujitsu notebooks are having trouble with touchpads if
234 * active multiplexing mode is activated. Luckily they don't have
235 * external PS/2 ports so we can safely disable it.
236 * ... apparently some Toshibas don't like MUX mode either and
237 * die horrible death on reboot.
238 */
239 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
240 {
241 /* Fujitsu Lifebook P7010/P7010D */
242 .matches = {
243 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
244 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
245 },
246 },
247 {
248 /* Fujitsu Lifebook P7010 */
249 .matches = {
250 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
251 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
252 },
253 },
254 {
255 /* Fujitsu Lifebook P5020D */
256 .matches = {
257 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
258 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
259 },
260 },
261 {
262 /* Fujitsu Lifebook S2000 */
263 .matches = {
264 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
265 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
266 },
267 },
268 {
269 /* Fujitsu Lifebook S6230 */
270 .matches = {
271 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
272 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
273 },
274 },
275 {
276 /* Fujitsu Lifebook T725 laptop */
277 .matches = {
278 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
279 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
280 },
281 },
282 {
283 /* Fujitsu Lifebook U745 */
284 .matches = {
285 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
286 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
287 },
288 },
289 {
290 /* Fujitsu T70H */
291 .matches = {
292 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
293 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
294 },
295 },
296 {
297 /* Fujitsu-Siemens Lifebook T3010 */
298 .matches = {
299 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
300 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
301 },
302 },
303 {
304 /* Fujitsu-Siemens Lifebook E4010 */
305 .matches = {
306 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
307 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
308 },
309 },
310 {
311 /* Fujitsu-Siemens Amilo Pro 2010 */
312 .matches = {
313 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
314 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
315 },
316 },
317 {
318 /* Fujitsu-Siemens Amilo Pro 2030 */
319 .matches = {
320 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
321 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
322 },
323 },
324 {
325 /*
326 * No data is coming from the touchscreen unless KBC
327 * is in legacy mode.
328 */
329 /* Panasonic CF-29 */
330 .matches = {
331 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
332 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
333 },
334 },
335 {
336 /*
337 * HP Pavilion DV4017EA -
338 * errors on MUX ports are reported without raising AUXDATA
339 * causing "spurious NAK" messages.
340 */
341 .matches = {
342 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
343 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
344 },
345 },
346 {
347 /*
348 * HP Pavilion ZT1000 -
349 * like DV4017EA does not raise AUXERR for errors on MUX ports.
350 */
351 .matches = {
352 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
353 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
354 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
355 },
356 },
357 {
358 /*
359 * HP Pavilion DV4270ca -
360 * like DV4017EA does not raise AUXERR for errors on MUX ports.
361 */
362 .matches = {
363 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
364 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
365 },
366 },
367 {
368 .matches = {
369 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
370 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
371 },
372 },
373 {
374 .matches = {
375 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
376 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
377 },
378 },
379 {
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
382 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
383 },
384 },
385 {
386 .matches = {
387 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
388 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
389 },
390 },
391 {
392 /* Sharp Actius MM20 */
393 .matches = {
394 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
395 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
396 },
397 },
398 {
399 /* Sony Vaio FS-115b */
400 .matches = {
401 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
402 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
403 },
404 },
405 {
406 /*
407 * Sony Vaio FZ-240E -
408 * reset and GET ID commands issued via KBD port are
409 * sometimes being delivered to AUX3.
410 */
411 .matches = {
412 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
413 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
414 },
415 },
416 {
417 /*
418 * Most (all?) VAIOs do not have external PS/2 ports nor
419 * they implement active multiplexing properly, and
420 * MUX discovery usually messes up keyboard/touchpad.
421 */
422 .matches = {
423 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
424 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
425 },
426 },
427 {
428 /* Amoi M636/A737 */
429 .matches = {
430 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
431 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
432 },
433 },
434 {
435 /* Lenovo 3000 n100 */
436 .matches = {
437 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
438 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
439 },
440 },
441 {
442 /* Lenovo XiaoXin Air 12 */
443 .matches = {
444 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
446 },
447 },
448 {
449 .matches = {
450 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
451 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
452 },
453 },
454 {
455 /* Acer Aspire 5710 */
456 .matches = {
457 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
458 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
459 },
460 },
461 {
462 /* Acer Aspire 7738 */
463 .matches = {
464 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
465 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
466 },
467 },
468 {
469 /* Gericom Bellagio */
470 .matches = {
471 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
473 },
474 },
475 {
476 /* IBM 2656 */
477 .matches = {
478 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
479 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
480 },
481 },
482 {
483 /* Dell XPS M1530 */
484 .matches = {
485 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
486 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
487 },
488 },
489 {
490 /* Compal HEL80I */
491 .matches = {
492 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
493 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
494 },
495 },
496 {
497 /* Dell Vostro 1510 */
498 .matches = {
499 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
500 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
501 },
502 },
503 {
504 /* Acer Aspire 5536 */
505 .matches = {
506 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
507 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
508 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
509 },
510 },
511 {
512 /* Dell Vostro V13 */
513 .matches = {
514 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
515 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
516 },
517 },
518 {
519 /* Newer HP Pavilion dv4 models */
520 .matches = {
521 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
522 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
523 },
524 },
525 {
526 /* Asus X450LCP */
527 .matches = {
528 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
529 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
530 },
531 },
532 {
533 /* Avatar AVIU-145A6 */
534 .matches = {
535 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
536 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
537 },
538 },
539 {
540 /* TUXEDO BU1406 */
541 .matches = {
542 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
543 DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
544 },
545 },
546 {
547 /* Lenovo LaVie Z */
548 .matches = {
549 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
550 DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
551 },
552 },
553 {
554 /*
555 * Acer Aspire 5738z
556 * Touchpad stops working in mux mode when dis- + re-enabled
557 * with the touchpad enable/disable toggle hotkey
558 */
559 .matches = {
560 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
561 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
562 },
563 },
564 {
565 /* Entroware Proteus */
566 .matches = {
567 DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
568 DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
569 DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
570 },
571 },
572 { }
573 };
574
575 static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
576 {
577 /*
578 * Sony Vaio VGN-CS series require MUX or the touch sensor
579 * buttons will disturb touchpad operation
580 */
581 .matches = {
582 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
583 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
584 },
585 },
586 { }
587 };
588
589 /*
590 * On some Asus laptops, just running self tests cause problems.
591 */
592 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
593 {
594 .matches = {
595 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
596 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
597 },
598 }, {
599 .matches = {
600 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
601 DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
602 },
603 },
604 { }
605 };
606 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
607 {
608 /* MSI Wind U-100 */
609 .matches = {
610 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
611 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
612 },
613 },
614 {
615 /* LG Electronics X110 */
616 .matches = {
617 DMI_MATCH(DMI_BOARD_NAME, "X110"),
618 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
619 },
620 },
621 {
622 /* Acer Aspire One 150 */
623 .matches = {
624 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
625 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
626 },
627 },
628 {
629 .matches = {
630 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
631 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
632 },
633 },
634 {
635 .matches = {
636 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
637 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
638 },
639 },
640 {
641 .matches = {
642 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
643 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
644 },
645 },
646 {
647 .matches = {
648 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
649 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
650 },
651 },
652 {
653 .matches = {
654 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
655 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
656 },
657 },
658 {
659 .matches = {
660 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
661 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
662 },
663 },
664 {
665 .matches = {
666 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
667 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
668 },
669 },
670 {
671 /* Advent 4211 */
672 .matches = {
673 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
674 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
675 },
676 },
677 {
678 /* Medion Akoya Mini E1210 */
679 .matches = {
680 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
681 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
682 },
683 },
684 {
685 /* Medion Akoya E1222 */
686 .matches = {
687 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
688 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
689 },
690 },
691 {
692 /* Mivvy M310 */
693 .matches = {
694 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
695 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
696 },
697 },
698 {
699 /* Dell Vostro 1320 */
700 .matches = {
701 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
702 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
703 },
704 },
705 {
706 /* Dell Vostro 1520 */
707 .matches = {
708 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
709 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
710 },
711 },
712 {
713 /* Dell Vostro 1720 */
714 .matches = {
715 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
716 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
717 },
718 },
719 {
720 /* Lenovo Ideapad U455 */
721 .matches = {
722 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
723 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
724 },
725 },
726 {
727 /* Lenovo ThinkPad L460 */
728 .matches = {
729 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
730 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
731 },
732 },
733 {
734 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
735 .matches = {
736 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
737 DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
738 },
739 },
740 {
741 /* Lenovo ThinkPad Twist S230u */
742 .matches = {
743 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
744 DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
745 },
746 },
747 {
748 /* Entroware Proteus */
749 .matches = {
750 DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
751 DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
752 DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
753 },
754 },
755 { }
756 };
757
758 #ifdef CONFIG_PNP
759 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
760 {
761 /* Intel MBO Desktop D845PESV */
762 .matches = {
763 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
764 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
765 },
766 },
767 {
768 /*
769 * Intel NUC D54250WYK - does not have i8042 controller but
770 * declares PS/2 devices in DSDT.
771 */
772 .matches = {
773 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
774 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
775 },
776 },
777 {
778 /* MSI Wind U-100 */
779 .matches = {
780 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
781 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
782 },
783 },
784 {
785 /* Acer Aspire 5 A515 */
786 .matches = {
787 DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
788 DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
789 },
790 },
791 { }
792 };
793
794 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
795 {
796 .matches = {
797 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
798 },
799 },
800 {
801 .matches = {
802 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
803 },
804 },
805 {
806 .matches = {
807 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
808 },
809 },
810 {
811 .matches = {
812 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
813 },
814 },
815 { }
816 };
817 #endif
818
819 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
820 {
821 /* Dell Vostro V13 */
822 .matches = {
823 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
824 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
825 },
826 },
827 {
828 /* Newer HP Pavilion dv4 models */
829 .matches = {
830 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
831 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
832 },
833 },
834 {
835 /* Fujitsu A544 laptop */
836 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
837 .matches = {
838 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
839 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
840 },
841 },
842 {
843 /* Fujitsu AH544 laptop */
844 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
845 .matches = {
846 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
847 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
848 },
849 },
850 {
851 /* Fujitsu Lifebook T725 laptop */
852 .matches = {
853 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
854 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
855 },
856 },
857 {
858 /* Fujitsu U574 laptop */
859 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
860 .matches = {
861 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
862 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
863 },
864 },
865 {
866 /* Fujitsu UH554 laptop */
867 .matches = {
868 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
869 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
870 },
871 },
872 { }
873 };
874
875 /*
876 * Some Wistron based laptops need us to explicitly enable the 'Dritek
877 * keyboard extension' to make their extra keys start generating scancodes.
878 * Originally, this was just confined to older laptops, but a few Acer laptops
879 * have turned up in 2007 that also need this again.
880 */
881 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
882 {
883 /* Acer Aspire 5100 */
884 .matches = {
885 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
886 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
887 },
888 },
889 {
890 /* Acer Aspire 5610 */
891 .matches = {
892 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
893 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
894 },
895 },
896 {
897 /* Acer Aspire 5630 */
898 .matches = {
899 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
900 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
901 },
902 },
903 {
904 /* Acer Aspire 5650 */
905 .matches = {
906 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
907 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
908 },
909 },
910 {
911 /* Acer Aspire 5680 */
912 .matches = {
913 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
914 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
915 },
916 },
917 {
918 /* Acer Aspire 5720 */
919 .matches = {
920 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
921 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
922 },
923 },
924 {
925 /* Acer Aspire 9110 */
926 .matches = {
927 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
928 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
929 },
930 },
931 {
932 /* Acer TravelMate 660 */
933 .matches = {
934 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
935 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
936 },
937 },
938 {
939 /* Acer TravelMate 2490 */
940 .matches = {
941 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
942 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
943 },
944 },
945 {
946 /* Acer TravelMate 4280 */
947 .matches = {
948 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
949 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
950 },
951 },
952 { }
953 };
954
955 /*
956 * Some laptops need keyboard reset before probing for the trackpad to get
957 * it detected, initialised & finally work.
958 */
959 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
960 {
961 /* Gigabyte P35 v2 - Elantech touchpad */
962 .matches = {
963 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
964 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
965 },
966 },
967 {
968 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
969 .matches = {
970 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
971 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
972 },
973 },
974 {
975 /* Gigabyte P34 - Elantech touchpad */
976 .matches = {
977 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
978 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
979 },
980 },
981 {
982 /* Gigabyte P57 - Elantech touchpad */
983 .matches = {
984 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
985 DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
986 },
987 },
988 {
989 /* Schenker XMG C504 - Elantech touchpad */
990 .matches = {
991 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
992 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
993 },
994 },
995 { }
996 };
997
998 static const struct dmi_system_id i8042_dmi_probe_defer_table[] __initconst = {
999 {
1000 /* ASUS ZenBook UX425UA */
1001 .matches = {
1002 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
1003 DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"),
1004 },
1005 },
1006 {
1007 /* ASUS ZenBook UM325UA */
1008 .matches = {
1009 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
1010 DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"),
1011 },
1012 },
1013 { }
1014 };
1015
1016 #endif /* CONFIG_X86 */
1017
1018 #ifdef CONFIG_PNP
1019 #include <linux/pnp.h>
1020
1021 static bool i8042_pnp_kbd_registered;
1022 static unsigned int i8042_pnp_kbd_devices;
1023 static bool i8042_pnp_aux_registered;
1024 static unsigned int i8042_pnp_aux_devices;
1025
1026 static int i8042_pnp_command_reg;
1027 static int i8042_pnp_data_reg;
1028 static int i8042_pnp_kbd_irq;
1029 static int i8042_pnp_aux_irq;
1030
1031 static char i8042_pnp_kbd_name[32];
1032 static char i8042_pnp_aux_name[32];
1033
i8042_pnp_id_to_string(struct pnp_id * id,char * dst,int dst_size)1034 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1035 {
1036 strlcpy(dst, "PNP:", dst_size);
1037
1038 while (id) {
1039 strlcat(dst, " ", dst_size);
1040 strlcat(dst, id->id, dst_size);
1041 id = id->next;
1042 }
1043 }
1044
i8042_pnp_kbd_probe(struct pnp_dev * dev,const struct pnp_device_id * did)1045 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1046 {
1047 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1048 i8042_pnp_data_reg = pnp_port_start(dev,0);
1049
1050 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1051 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1052
1053 if (pnp_irq_valid(dev,0))
1054 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1055
1056 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1057 if (strlen(pnp_dev_name(dev))) {
1058 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1059 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1060 }
1061 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1062 sizeof(i8042_kbd_firmware_id));
1063 i8042_kbd_fwnode = dev_fwnode(&dev->dev);
1064
1065 /* Keyboard ports are always supposed to be wakeup-enabled */
1066 device_set_wakeup_enable(&dev->dev, true);
1067
1068 i8042_pnp_kbd_devices++;
1069 return 0;
1070 }
1071
i8042_pnp_aux_probe(struct pnp_dev * dev,const struct pnp_device_id * did)1072 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1073 {
1074 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1075 i8042_pnp_data_reg = pnp_port_start(dev,0);
1076
1077 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1078 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1079
1080 if (pnp_irq_valid(dev, 0))
1081 i8042_pnp_aux_irq = pnp_irq(dev, 0);
1082
1083 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1084 if (strlen(pnp_dev_name(dev))) {
1085 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1086 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1087 }
1088 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1089 sizeof(i8042_aux_firmware_id));
1090
1091 i8042_pnp_aux_devices++;
1092 return 0;
1093 }
1094
1095 static const struct pnp_device_id pnp_kbd_devids[] = {
1096 { .id = "PNP0300", .driver_data = 0 },
1097 { .id = "PNP0301", .driver_data = 0 },
1098 { .id = "PNP0302", .driver_data = 0 },
1099 { .id = "PNP0303", .driver_data = 0 },
1100 { .id = "PNP0304", .driver_data = 0 },
1101 { .id = "PNP0305", .driver_data = 0 },
1102 { .id = "PNP0306", .driver_data = 0 },
1103 { .id = "PNP0309", .driver_data = 0 },
1104 { .id = "PNP030a", .driver_data = 0 },
1105 { .id = "PNP030b", .driver_data = 0 },
1106 { .id = "PNP0320", .driver_data = 0 },
1107 { .id = "PNP0343", .driver_data = 0 },
1108 { .id = "PNP0344", .driver_data = 0 },
1109 { .id = "PNP0345", .driver_data = 0 },
1110 { .id = "CPQA0D7", .driver_data = 0 },
1111 { .id = "", },
1112 };
1113 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1114
1115 static struct pnp_driver i8042_pnp_kbd_driver = {
1116 .name = "i8042 kbd",
1117 .id_table = pnp_kbd_devids,
1118 .probe = i8042_pnp_kbd_probe,
1119 .driver = {
1120 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1121 .suppress_bind_attrs = true,
1122 },
1123 };
1124
1125 static const struct pnp_device_id pnp_aux_devids[] = {
1126 { .id = "AUI0200", .driver_data = 0 },
1127 { .id = "FJC6000", .driver_data = 0 },
1128 { .id = "FJC6001", .driver_data = 0 },
1129 { .id = "PNP0f03", .driver_data = 0 },
1130 { .id = "PNP0f0b", .driver_data = 0 },
1131 { .id = "PNP0f0e", .driver_data = 0 },
1132 { .id = "PNP0f12", .driver_data = 0 },
1133 { .id = "PNP0f13", .driver_data = 0 },
1134 { .id = "PNP0f19", .driver_data = 0 },
1135 { .id = "PNP0f1c", .driver_data = 0 },
1136 { .id = "SYN0801", .driver_data = 0 },
1137 { .id = "", },
1138 };
1139 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1140
1141 static struct pnp_driver i8042_pnp_aux_driver = {
1142 .name = "i8042 aux",
1143 .id_table = pnp_aux_devids,
1144 .probe = i8042_pnp_aux_probe,
1145 .driver = {
1146 .probe_type = PROBE_FORCE_SYNCHRONOUS,
1147 .suppress_bind_attrs = true,
1148 },
1149 };
1150
i8042_pnp_exit(void)1151 static void i8042_pnp_exit(void)
1152 {
1153 if (i8042_pnp_kbd_registered) {
1154 i8042_pnp_kbd_registered = false;
1155 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1156 }
1157
1158 if (i8042_pnp_aux_registered) {
1159 i8042_pnp_aux_registered = false;
1160 pnp_unregister_driver(&i8042_pnp_aux_driver);
1161 }
1162 }
1163
i8042_pnp_init(void)1164 static int __init i8042_pnp_init(void)
1165 {
1166 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1167 bool pnp_data_busted = false;
1168 int err;
1169
1170 #ifdef CONFIG_X86
1171 if (dmi_check_system(i8042_dmi_nopnp_table))
1172 i8042_nopnp = true;
1173 #endif
1174
1175 if (i8042_nopnp) {
1176 pr_info("PNP detection disabled\n");
1177 return 0;
1178 }
1179
1180 err = pnp_register_driver(&i8042_pnp_kbd_driver);
1181 if (!err)
1182 i8042_pnp_kbd_registered = true;
1183
1184 err = pnp_register_driver(&i8042_pnp_aux_driver);
1185 if (!err)
1186 i8042_pnp_aux_registered = true;
1187
1188 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1189 i8042_pnp_exit();
1190 #if defined(__ia64__)
1191 return -ENODEV;
1192 #else
1193 pr_info("PNP: No PS/2 controller found.\n");
1194 if (x86_platform.legacy.i8042 !=
1195 X86_LEGACY_I8042_EXPECTED_PRESENT)
1196 return -ENODEV;
1197 pr_info("Probing ports directly.\n");
1198 return 0;
1199 #endif
1200 }
1201
1202 if (i8042_pnp_kbd_devices)
1203 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1204 "%d", i8042_pnp_kbd_irq);
1205 if (i8042_pnp_aux_devices)
1206 snprintf(aux_irq_str, sizeof(aux_irq_str),
1207 "%d", i8042_pnp_aux_irq);
1208
1209 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1210 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1211 i8042_pnp_aux_name,
1212 i8042_pnp_data_reg, i8042_pnp_command_reg,
1213 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1214 aux_irq_str);
1215
1216 #if defined(__ia64__)
1217 if (!i8042_pnp_kbd_devices)
1218 i8042_nokbd = true;
1219 if (!i8042_pnp_aux_devices)
1220 i8042_noaux = true;
1221 #endif
1222
1223 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1224 i8042_pnp_data_reg != i8042_data_reg) ||
1225 !i8042_pnp_data_reg) {
1226 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1227 i8042_pnp_data_reg, i8042_data_reg);
1228 i8042_pnp_data_reg = i8042_data_reg;
1229 pnp_data_busted = true;
1230 }
1231
1232 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1233 i8042_pnp_command_reg != i8042_command_reg) ||
1234 !i8042_pnp_command_reg) {
1235 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1236 i8042_pnp_command_reg, i8042_command_reg);
1237 i8042_pnp_command_reg = i8042_command_reg;
1238 pnp_data_busted = true;
1239 }
1240
1241 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1242 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1243 i8042_kbd_irq);
1244 i8042_pnp_kbd_irq = i8042_kbd_irq;
1245 pnp_data_busted = true;
1246 }
1247
1248 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1249 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1250 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1251 "if this is incorrect please boot with i8042.nopnp\n");
1252 i8042_noaux = true;
1253 } else {
1254 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1255 i8042_aux_irq);
1256 i8042_pnp_aux_irq = i8042_aux_irq;
1257 }
1258 }
1259
1260 i8042_data_reg = i8042_pnp_data_reg;
1261 i8042_command_reg = i8042_pnp_command_reg;
1262 i8042_kbd_irq = i8042_pnp_kbd_irq;
1263 i8042_aux_irq = i8042_pnp_aux_irq;
1264
1265 #ifdef CONFIG_X86
1266 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1267 dmi_check_system(i8042_dmi_laptop_table);
1268 #endif
1269
1270 return 0;
1271 }
1272
1273 #else /* !CONFIG_PNP */
i8042_pnp_init(void)1274 static inline int i8042_pnp_init(void) { return 0; }
i8042_pnp_exit(void)1275 static inline void i8042_pnp_exit(void) { }
1276 #endif /* CONFIG_PNP */
1277
i8042_platform_init(void)1278 static int __init i8042_platform_init(void)
1279 {
1280 int retval;
1281
1282 #ifdef CONFIG_X86
1283 u8 a20_on = 0xdf;
1284 /* Just return if platform does not have i8042 controller */
1285 if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1286 return -ENODEV;
1287 #endif
1288
1289 /*
1290 * On ix86 platforms touching the i8042 data register region can do really
1291 * bad things. Because of this the region is always reserved on ix86 boxes.
1292 *
1293 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1294 * return -EBUSY;
1295 */
1296
1297 i8042_kbd_irq = I8042_MAP_IRQ(1);
1298 i8042_aux_irq = I8042_MAP_IRQ(12);
1299
1300 retval = i8042_pnp_init();
1301 if (retval)
1302 return retval;
1303
1304 #if defined(__ia64__)
1305 i8042_reset = I8042_RESET_ALWAYS;
1306 #endif
1307
1308 #ifdef CONFIG_X86
1309 /* Honor module parameter when value is not default */
1310 if (i8042_reset == I8042_RESET_DEFAULT) {
1311 if (dmi_check_system(i8042_dmi_reset_table))
1312 i8042_reset = I8042_RESET_ALWAYS;
1313
1314 if (dmi_check_system(i8042_dmi_noselftest_table))
1315 i8042_reset = I8042_RESET_NEVER;
1316 }
1317
1318 if (dmi_check_system(i8042_dmi_noloop_table))
1319 i8042_noloop = true;
1320
1321 if (dmi_check_system(i8042_dmi_nomux_table))
1322 i8042_nomux = true;
1323
1324 if (dmi_check_system(i8042_dmi_forcemux_table))
1325 i8042_nomux = false;
1326
1327 if (dmi_check_system(i8042_dmi_notimeout_table))
1328 i8042_notimeout = true;
1329
1330 if (dmi_check_system(i8042_dmi_dritek_table))
1331 i8042_dritek = true;
1332
1333 if (dmi_check_system(i8042_dmi_kbdreset_table))
1334 i8042_kbdreset = true;
1335
1336 if (dmi_check_system(i8042_dmi_probe_defer_table))
1337 i8042_probe_defer = true;
1338
1339 /*
1340 * A20 was already enabled during early kernel init. But some buggy
1341 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1342 * resume from S3. So we do it here and hope that nothing breaks.
1343 */
1344 i8042_command(&a20_on, 0x10d1);
1345 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1346 #endif /* CONFIG_X86 */
1347
1348 return retval;
1349 }
1350
i8042_platform_exit(void)1351 static inline void i8042_platform_exit(void)
1352 {
1353 i8042_pnp_exit();
1354 }
1355
1356 #endif /* _I8042_X86IA64IO_H */
1357