GNU Linux-libre 4.9.297-gnu1
[releases.git] / drivers / input / serio / i8042-x86ia64io.h
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
50 static inline int i8042_read_data(void)
51 {
52         return inb(I8042_DATA_REG);
53 }
54
55 static inline int i8042_read_status(void)
56 {
57         return inb(I8042_STATUS_REG);
58 }
59
60 static inline void i8042_write_data(int val)
61 {
62         outb(val, I8042_DATA_REG);
63 }
64
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                 .matches = {
591                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
592                         DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
593                 },
594         },
595         { }
596 };
597
598 /*
599  * On some Asus laptops, just running self tests cause problems.
600  */
601 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
602         {
603                 .matches = {
604                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
605                         DMI_MATCH(DMI_PRODUCT_NAME, "A455LD"),
606                 },
607         },
608         {
609                 .matches = {
610                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
611                         DMI_MATCH(DMI_PRODUCT_NAME, "K401LB"),
612                 },
613         },
614         {
615                 .matches = {
616                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
617                         DMI_MATCH(DMI_PRODUCT_NAME, "K501LB"),
618                 },
619         },
620         {
621                 .matches = {
622                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
623                         DMI_MATCH(DMI_PRODUCT_NAME, "K501LX"),
624                 },
625         },
626         {
627                 .matches = {
628                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
629                         DMI_MATCH(DMI_PRODUCT_NAME, "R409L"),
630                 },
631         },
632         {
633                 .matches = {
634                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
635                         DMI_MATCH(DMI_PRODUCT_NAME, "V502LX"),
636                 },
637         },
638         {
639                 .matches = {
640                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
641                         DMI_MATCH(DMI_PRODUCT_NAME, "X302LA"),
642                 },
643         },
644         {
645                 .matches = {
646                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
647                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
648                 },
649         },
650         {
651                 .matches = {
652                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
653                         DMI_MATCH(DMI_PRODUCT_NAME, "X450LD"),
654                 },
655         },
656         {
657                 .matches = {
658                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
659                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LAB"),
660                 },
661         },
662         {
663                 .matches = {
664                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
665                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LDB"),
666                 },
667         },
668         {
669                 .matches = {
670                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
671                         DMI_MATCH(DMI_PRODUCT_NAME, "X455LF"),
672                 },
673         },
674         {
675                 .matches = {
676                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
677                         DMI_MATCH(DMI_PRODUCT_NAME, "Z450LA"),
678                 },
679         },
680         { }
681 };
682 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
683         {
684                 /* MSI Wind U-100 */
685                 .matches = {
686                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
687                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
688                 },
689         },
690         {
691                 /* LG Electronics X110 */
692                 .matches = {
693                         DMI_MATCH(DMI_BOARD_NAME, "X110"),
694                         DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
695                 },
696         },
697         {
698                 /* Acer Aspire One 150 */
699                 .matches = {
700                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
701                         DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
702                 },
703         },
704         {
705                 .matches = {
706                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
707                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
708                 },
709         },
710         {
711                 .matches = {
712                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
713                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
714                 },
715         },
716         {
717                 .matches = {
718                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
719                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
720                 },
721         },
722         {
723                 .matches = {
724                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
725                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
726                 },
727         },
728         {
729                 .matches = {
730                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
731                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
732                 },
733         },
734         {
735                 .matches = {
736                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
737                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
738                 },
739         },
740         {
741                 .matches = {
742                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
743                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
744                 },
745         },
746         {
747                 /* Advent 4211 */
748                 .matches = {
749                         DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
750                         DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
751                 },
752         },
753         {
754                 /* Medion Akoya Mini E1210 */
755                 .matches = {
756                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
757                         DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
758                 },
759         },
760         {
761                 /* Medion Akoya E1222 */
762                 .matches = {
763                         DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
764                         DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
765                 },
766         },
767         {
768                 /* Mivvy M310 */
769                 .matches = {
770                         DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
771                         DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
772                 },
773         },
774         {
775                 /* Dell Vostro 1320 */
776                 .matches = {
777                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
778                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
779                 },
780         },
781         {
782                 /* Dell Vostro 1520 */
783                 .matches = {
784                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
785                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
786                 },
787         },
788         {
789                 /* Dell Vostro 1720 */
790                 .matches = {
791                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
792                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
793                 },
794         },
795         {
796                 /* Lenovo Ideapad U455 */
797                 .matches = {
798                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
799                         DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
800                 },
801         },
802         {
803                 /* Lenovo ThinkPad L460 */
804                 .matches = {
805                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
806                         DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
807                 },
808         },
809         {
810                 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
811                 .matches = {
812                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
813                         DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
814                 },
815         },
816         {
817                 /* Lenovo ThinkPad Twist S230u */
818                 .matches = {
819                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
820                         DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
821                 },
822         },
823         {
824                 /* Entroware Proteus */
825                 .matches = {
826                         DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
827                         DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
828                         DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
829                 },
830         },
831         { }
832 };
833
834 #ifdef CONFIG_PNP
835 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
836         {
837                 /* Intel MBO Desktop D845PESV */
838                 .matches = {
839                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
840                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
841                 },
842         },
843         {
844                 /*
845                  * Intel NUC D54250WYK - does not have i8042 controller but
846                  * declares PS/2 devices in DSDT.
847                  */
848                 .matches = {
849                         DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
850                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
851                 },
852         },
853         {
854                 /* MSI Wind U-100 */
855                 .matches = {
856                         DMI_MATCH(DMI_BOARD_NAME, "U-100"),
857                         DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
858                 },
859         },
860         {
861                 /* Acer Aspire 5 A515 */
862                 .matches = {
863                         DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
864                         DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
865                 },
866         },
867         { }
868 };
869
870 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
871         {
872                 .matches = {
873                         DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
874                 },
875         },
876         {
877                 .matches = {
878                         DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
879                 },
880         },
881         {
882                 .matches = {
883                         DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
884                 },
885         },
886         {
887                 .matches = {
888                         DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
889                 },
890         },
891         { }
892 };
893 #endif
894
895 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
896         {
897                 /* Dell Vostro V13 */
898                 .matches = {
899                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
900                         DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
901                 },
902         },
903         {
904                 /* Newer HP Pavilion dv4 models */
905                 .matches = {
906                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
907                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
908                 },
909         },
910         {
911                 /* Fujitsu A544 laptop */
912                 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
913                 .matches = {
914                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
915                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
916                 },
917         },
918         {
919                 /* Fujitsu AH544 laptop */
920                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
921                 .matches = {
922                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
923                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
924                 },
925         },
926         {
927                 /* Fujitsu Lifebook T725 laptop */
928                 .matches = {
929                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
930                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
931                 },
932         },
933         {
934                 /* Fujitsu U574 laptop */
935                 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
936                 .matches = {
937                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
938                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
939                 },
940         },
941         {
942                 /* Fujitsu UH554 laptop */
943                 .matches = {
944                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
945                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
946                 },
947         },
948         { }
949 };
950
951 /*
952  * Some Wistron based laptops need us to explicitly enable the 'Dritek
953  * keyboard extension' to make their extra keys start generating scancodes.
954  * Originally, this was just confined to older laptops, but a few Acer laptops
955  * have turned up in 2007 that also need this again.
956  */
957 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
958         {
959                 /* Acer Aspire 5100 */
960                 .matches = {
961                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
962                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
963                 },
964         },
965         {
966                 /* Acer Aspire 5610 */
967                 .matches = {
968                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
969                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
970                 },
971         },
972         {
973                 /* Acer Aspire 5630 */
974                 .matches = {
975                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
976                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
977                 },
978         },
979         {
980                 /* Acer Aspire 5650 */
981                 .matches = {
982                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
983                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
984                 },
985         },
986         {
987                 /* Acer Aspire 5680 */
988                 .matches = {
989                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
990                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
991                 },
992         },
993         {
994                 /* Acer Aspire 5720 */
995                 .matches = {
996                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
997                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
998                 },
999         },
1000         {
1001                 /* Acer Aspire 9110 */
1002                 .matches = {
1003                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1004                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
1005                 },
1006         },
1007         {
1008                 /* Acer TravelMate 660 */
1009                 .matches = {
1010                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1011                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
1012                 },
1013         },
1014         {
1015                 /* Acer TravelMate 2490 */
1016                 .matches = {
1017                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1018                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
1019                 },
1020         },
1021         {
1022                 /* Acer TravelMate 4280 */
1023                 .matches = {
1024                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1025                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
1026                 },
1027         },
1028         { }
1029 };
1030
1031 /*
1032  * Some laptops need keyboard reset before probing for the trackpad to get
1033  * it detected, initialised & finally work.
1034  */
1035 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
1036         {
1037                 /* Gigabyte P35 v2 - Elantech touchpad */
1038                 .matches = {
1039                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1040                         DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
1041                 },
1042         },
1043                 {
1044                 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
1045                 .matches = {
1046                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1047                         DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
1048                 },
1049         },
1050         {
1051                 /* Gigabyte P34 - Elantech touchpad */
1052                 .matches = {
1053                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1054                         DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
1055                 },
1056         },
1057         {
1058                 /* Gigabyte P57 - Elantech touchpad */
1059                 .matches = {
1060                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
1061                         DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
1062                 },
1063         },
1064         {
1065                 /* Schenker XMG C504 - Elantech touchpad */
1066                 .matches = {
1067                         DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
1068                         DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
1069                 },
1070         },
1071         { }
1072 };
1073
1074 #endif /* CONFIG_X86 */
1075
1076 #ifdef CONFIG_PNP
1077 #include <linux/pnp.h>
1078
1079 static bool i8042_pnp_kbd_registered;
1080 static unsigned int i8042_pnp_kbd_devices;
1081 static bool i8042_pnp_aux_registered;
1082 static unsigned int i8042_pnp_aux_devices;
1083
1084 static int i8042_pnp_command_reg;
1085 static int i8042_pnp_data_reg;
1086 static int i8042_pnp_kbd_irq;
1087 static int i8042_pnp_aux_irq;
1088
1089 static char i8042_pnp_kbd_name[32];
1090 static char i8042_pnp_aux_name[32];
1091
1092 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
1093 {
1094         strlcpy(dst, "PNP:", dst_size);
1095
1096         while (id) {
1097                 strlcat(dst, " ", dst_size);
1098                 strlcat(dst, id->id, dst_size);
1099                 id = id->next;
1100         }
1101 }
1102
1103 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1104 {
1105         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1106                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1107
1108         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1109                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1110
1111         if (pnp_irq_valid(dev,0))
1112                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
1113
1114         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1115         if (strlen(pnp_dev_name(dev))) {
1116                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
1117                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1118         }
1119         i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
1120                                sizeof(i8042_kbd_firmware_id));
1121
1122         /* Keyboard ports are always supposed to be wakeup-enabled */
1123         device_set_wakeup_enable(&dev->dev, true);
1124
1125         i8042_pnp_kbd_devices++;
1126         return 0;
1127 }
1128
1129 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
1130 {
1131         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
1132                 i8042_pnp_data_reg = pnp_port_start(dev,0);
1133
1134         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
1135                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
1136
1137         if (pnp_irq_valid(dev, 0))
1138                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
1139
1140         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1141         if (strlen(pnp_dev_name(dev))) {
1142                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
1143                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1144         }
1145         i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
1146                                sizeof(i8042_aux_firmware_id));
1147
1148         i8042_pnp_aux_devices++;
1149         return 0;
1150 }
1151
1152 static struct pnp_device_id pnp_kbd_devids[] = {
1153         { .id = "PNP0300", .driver_data = 0 },
1154         { .id = "PNP0301", .driver_data = 0 },
1155         { .id = "PNP0302", .driver_data = 0 },
1156         { .id = "PNP0303", .driver_data = 0 },
1157         { .id = "PNP0304", .driver_data = 0 },
1158         { .id = "PNP0305", .driver_data = 0 },
1159         { .id = "PNP0306", .driver_data = 0 },
1160         { .id = "PNP0309", .driver_data = 0 },
1161         { .id = "PNP030a", .driver_data = 0 },
1162         { .id = "PNP030b", .driver_data = 0 },
1163         { .id = "PNP0320", .driver_data = 0 },
1164         { .id = "PNP0343", .driver_data = 0 },
1165         { .id = "PNP0344", .driver_data = 0 },
1166         { .id = "PNP0345", .driver_data = 0 },
1167         { .id = "CPQA0D7", .driver_data = 0 },
1168         { .id = "", },
1169 };
1170 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
1171
1172 static struct pnp_driver i8042_pnp_kbd_driver = {
1173         .name           = "i8042 kbd",
1174         .id_table       = pnp_kbd_devids,
1175         .probe          = i8042_pnp_kbd_probe,
1176 };
1177
1178 static struct pnp_device_id pnp_aux_devids[] = {
1179         { .id = "AUI0200", .driver_data = 0 },
1180         { .id = "FJC6000", .driver_data = 0 },
1181         { .id = "FJC6001", .driver_data = 0 },
1182         { .id = "PNP0f03", .driver_data = 0 },
1183         { .id = "PNP0f0b", .driver_data = 0 },
1184         { .id = "PNP0f0e", .driver_data = 0 },
1185         { .id = "PNP0f12", .driver_data = 0 },
1186         { .id = "PNP0f13", .driver_data = 0 },
1187         { .id = "PNP0f19", .driver_data = 0 },
1188         { .id = "PNP0f1c", .driver_data = 0 },
1189         { .id = "SYN0801", .driver_data = 0 },
1190         { .id = "", },
1191 };
1192 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
1193
1194 static struct pnp_driver i8042_pnp_aux_driver = {
1195         .name           = "i8042 aux",
1196         .id_table       = pnp_aux_devids,
1197         .probe          = i8042_pnp_aux_probe,
1198 };
1199
1200 static void i8042_pnp_exit(void)
1201 {
1202         if (i8042_pnp_kbd_registered) {
1203                 i8042_pnp_kbd_registered = false;
1204                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
1205         }
1206
1207         if (i8042_pnp_aux_registered) {
1208                 i8042_pnp_aux_registered = false;
1209                 pnp_unregister_driver(&i8042_pnp_aux_driver);
1210         }
1211 }
1212
1213 static int __init i8042_pnp_init(void)
1214 {
1215         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
1216         bool pnp_data_busted = false;
1217         int err;
1218
1219 #ifdef CONFIG_X86
1220         if (dmi_check_system(i8042_dmi_nopnp_table))
1221                 i8042_nopnp = true;
1222 #endif
1223
1224         if (i8042_nopnp) {
1225                 pr_info("PNP detection disabled\n");
1226                 return 0;
1227         }
1228
1229         err = pnp_register_driver(&i8042_pnp_kbd_driver);
1230         if (!err)
1231                 i8042_pnp_kbd_registered = true;
1232
1233         err = pnp_register_driver(&i8042_pnp_aux_driver);
1234         if (!err)
1235                 i8042_pnp_aux_registered = true;
1236
1237         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1238                 i8042_pnp_exit();
1239 #if defined(__ia64__)
1240                 return -ENODEV;
1241 #else
1242                 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
1243                 return 0;
1244 #endif
1245         }
1246
1247         if (i8042_pnp_kbd_devices)
1248                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1249                         "%d", i8042_pnp_kbd_irq);
1250         if (i8042_pnp_aux_devices)
1251                 snprintf(aux_irq_str, sizeof(aux_irq_str),
1252                         "%d", i8042_pnp_aux_irq);
1253
1254         pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1255                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1256                 i8042_pnp_aux_name,
1257                 i8042_pnp_data_reg, i8042_pnp_command_reg,
1258                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1259                 aux_irq_str);
1260
1261 #if defined(__ia64__)
1262         if (!i8042_pnp_kbd_devices)
1263                 i8042_nokbd = true;
1264         if (!i8042_pnp_aux_devices)
1265                 i8042_noaux = true;
1266 #endif
1267
1268         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1269               i8042_pnp_data_reg != i8042_data_reg) ||
1270             !i8042_pnp_data_reg) {
1271                 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1272                         i8042_pnp_data_reg, i8042_data_reg);
1273                 i8042_pnp_data_reg = i8042_data_reg;
1274                 pnp_data_busted = true;
1275         }
1276
1277         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1278               i8042_pnp_command_reg != i8042_command_reg) ||
1279             !i8042_pnp_command_reg) {
1280                 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1281                         i8042_pnp_command_reg, i8042_command_reg);
1282                 i8042_pnp_command_reg = i8042_command_reg;
1283                 pnp_data_busted = true;
1284         }
1285
1286         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1287                 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1288                         i8042_kbd_irq);
1289                 i8042_pnp_kbd_irq = i8042_kbd_irq;
1290                 pnp_data_busted = true;
1291         }
1292
1293         if (!i8042_noaux && !i8042_pnp_aux_irq) {
1294                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1295                         pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1296                                 "if this is incorrect please boot with i8042.nopnp\n");
1297                         i8042_noaux = true;
1298                 } else {
1299                         pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1300                                 i8042_aux_irq);
1301                         i8042_pnp_aux_irq = i8042_aux_irq;
1302                 }
1303         }
1304
1305         i8042_data_reg = i8042_pnp_data_reg;
1306         i8042_command_reg = i8042_pnp_command_reg;
1307         i8042_kbd_irq = i8042_pnp_kbd_irq;
1308         i8042_aux_irq = i8042_pnp_aux_irq;
1309
1310 #ifdef CONFIG_X86
1311         i8042_bypass_aux_irq_test = !pnp_data_busted &&
1312                                     dmi_check_system(i8042_dmi_laptop_table);
1313 #endif
1314
1315         return 0;
1316 }
1317
1318 #else
1319 static inline int i8042_pnp_init(void) { return 0; }
1320 static inline void i8042_pnp_exit(void) { }
1321 #endif
1322
1323 static int __init i8042_platform_init(void)
1324 {
1325         int retval;
1326
1327 #ifdef CONFIG_X86
1328         u8 a20_on = 0xdf;
1329         /* Just return if pre-detection shows no i8042 controller exist */
1330         if (!x86_platform.i8042_detect())
1331                 return -ENODEV;
1332 #endif
1333
1334 /*
1335  * On ix86 platforms touching the i8042 data register region can do really
1336  * bad things. Because of this the region is always reserved on ix86 boxes.
1337  *
1338  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
1339  *              return -EBUSY;
1340  */
1341
1342         i8042_kbd_irq = I8042_MAP_IRQ(1);
1343         i8042_aux_irq = I8042_MAP_IRQ(12);
1344
1345         retval = i8042_pnp_init();
1346         if (retval)
1347                 return retval;
1348
1349 #if defined(__ia64__)
1350         i8042_reset = I8042_RESET_ALWAYS;
1351 #endif
1352
1353 #ifdef CONFIG_X86
1354         /* Honor module parameter when value is not default */
1355         if (i8042_reset == I8042_RESET_DEFAULT) {
1356                 if (dmi_check_system(i8042_dmi_reset_table))
1357                         i8042_reset = I8042_RESET_ALWAYS;
1358
1359                 if (dmi_check_system(i8042_dmi_noselftest_table))
1360                         i8042_reset = I8042_RESET_NEVER;
1361         }
1362
1363         if (dmi_check_system(i8042_dmi_noloop_table))
1364                 i8042_noloop = true;
1365
1366         if (dmi_check_system(i8042_dmi_nomux_table))
1367                 i8042_nomux = true;
1368
1369         if (dmi_check_system(i8042_dmi_forcemux_table))
1370                 i8042_nomux = false;
1371
1372         if (dmi_check_system(i8042_dmi_notimeout_table))
1373                 i8042_notimeout = true;
1374
1375         if (dmi_check_system(i8042_dmi_dritek_table))
1376                 i8042_dritek = true;
1377
1378         if (dmi_check_system(i8042_dmi_kbdreset_table))
1379                 i8042_kbdreset = true;
1380
1381         /*
1382          * A20 was already enabled during early kernel init. But some buggy
1383          * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1384          * resume from S3. So we do it here and hope that nothing breaks.
1385          */
1386         i8042_command(&a20_on, 0x10d1);
1387         i8042_command(NULL, 0x00ff);    /* Null command for SMM firmware */
1388 #endif /* CONFIG_X86 */
1389
1390         return retval;
1391 }
1392
1393 static inline void i8042_platform_exit(void)
1394 {
1395         i8042_pnp_exit();
1396 }
1397
1398 #endif /* _I8042_X86IA64IO_H */