Input: i8042 - add Gigabyte M912 netbook to noloop exception table
[linux-2.6.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 /*
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
46 static inline int i8042_read_data(void)
47 {
48         return inb(I8042_DATA_REG);
49 }
50
51 static inline int i8042_read_status(void)
52 {
53         return inb(I8042_STATUS_REG);
54 }
55
56 static inline void i8042_write_data(int val)
57 {
58         outb(val, I8042_DATA_REG);
59 }
60
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 struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
71         {
72                 /* AUX LOOP command does not raise AUX IRQ */
73                 .ident = "Arima-Rioworks HDAMB",
74                 .matches = {
75                         DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
76                         DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
77                         DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
78                 },
79         },
80         {
81                 /* AUX LOOP command does not raise AUX IRQ */
82                 .ident = "ASUS P65UP5",
83                 .matches = {
84                         DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
85                         DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
86                         DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
87                 },
88         },
89         {
90                 .ident = "Compaq Proliant 8500",
91                 .matches = {
92                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
93                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
94                         DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
95                 },
96         },
97         {
98                 .ident = "Compaq Proliant DL760",
99                 .matches = {
100                         DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
101                         DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
102                         DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
103                 },
104         },
105         {
106                 .ident = "OQO Model 01",
107                 .matches = {
108                         DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
109                         DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
110                         DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
111                 },
112         },
113         {
114                 /* AUX LOOP does not work properly */
115                 .ident = "ULI EV4873",
116                 .matches = {
117                         DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
118                         DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
119                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
120                 },
121         },
122         {
123                 .ident = "Microsoft Virtual Machine",
124                 .matches = {
125                         DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
126                         DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
127                         DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
128                 },
129         },
130         {
131                 .ident = "Medion MAM 2070",
132                 .matches = {
133                         DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
134                         DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
135                         DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
136                 },
137         },
138         {
139                 .ident = "Blue FB5601",
140                 .matches = {
141                         DMI_MATCH(DMI_SYS_VENDOR, "blue"),
142                         DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
143                         DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
144                 },
145         },
146         {
147                 .ident = "Gigabyte M912",
148                 .matches = {
149                         DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
150                         DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
151                         DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
152                 },
153         },
154         { }
155 };
156
157 /*
158  * Some Fujitsu notebooks are having trouble with touchpads if
159  * active multiplexing mode is activated. Luckily they don't have
160  * external PS/2 ports so we can safely disable it.
161  * ... apparently some Toshibas don't like MUX mode either and
162  * die horrible death on reboot.
163  */
164 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
165         {
166                 .ident = "Fujitsu Lifebook P7010/P7010D",
167                 .matches = {
168                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
169                         DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
170                 },
171         },
172         {
173                 .ident = "Fujitsu Lifebook P7010",
174                 .matches = {
175                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
176                         DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
177                 },
178         },
179         {
180                 .ident = "Fujitsu Lifebook P5020D",
181                 .matches = {
182                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
183                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
184                 },
185         },
186         {
187                 .ident = "Fujitsu Lifebook S2000",
188                 .matches = {
189                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
190                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
191                 },
192         },
193         {
194                 .ident = "Fujitsu Lifebook S6230",
195                 .matches = {
196                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
197                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
198                 },
199         },
200         {
201                 .ident = "Fujitsu T70H",
202                 .matches = {
203                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
204                         DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
205                 },
206         },
207         {
208                 .ident = "Fujitsu-Siemens Lifebook T3010",
209                 .matches = {
210                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
211                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
212                 },
213         },
214         {
215                 .ident = "Fujitsu-Siemens Lifebook E4010",
216                 .matches = {
217                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
218                         DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
219                 },
220         },
221         {
222                 .ident = "Fujitsu-Siemens Amilo Pro 2010",
223                 .matches = {
224                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
225                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
226                 },
227         },
228         {
229                 .ident = "Fujitsu-Siemens Amilo Pro 2030",
230                 .matches = {
231                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
232                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
233                 },
234         },
235         {
236                 /*
237                  * No data is coming from the touchscreen unless KBC
238                  * is in legacy mode.
239                  */
240                 .ident = "Panasonic CF-29",
241                 .matches = {
242                         DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
243                         DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
244                 },
245         },
246         {
247                 /*
248                  * Errors on MUX ports are reported without raising AUXDATA
249                  * causing "spurious NAK" messages.
250                  */
251                 .ident = "HP Pavilion DV4017EA",
252                 .matches = {
253                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
254                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
255                 },
256         },
257         {
258                 /*
259                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
260                  */
261                 .ident = "HP Pavilion ZT1000",
262                 .matches = {
263                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
264                         DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
265                         DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
266                 },
267         },
268         {
269                 /*
270                  * Like DV4017EA does not raise AUXERR for errors on MUX ports.
271                  */
272                 .ident = "HP Pavilion DV4270ca",
273                 .matches = {
274                         DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
275                         DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
276                 },
277         },
278         {
279                 .ident = "Toshiba P10",
280                 .matches = {
281                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
282                         DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
283                 },
284         },
285         {
286                 .ident = "Toshiba Equium A110",
287                 .matches = {
288                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
289                         DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
290                 },
291         },
292         {
293                 .ident = "Alienware Sentia",
294                 .matches = {
295                         DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
296                         DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
297                 },
298         },
299         {
300                 .ident = "Sharp Actius MM20",
301                 .matches = {
302                         DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
303                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
304                 },
305         },
306         {
307                 .ident = "Sony Vaio FS-115b",
308                 .matches = {
309                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
310                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
311                 },
312         },
313         {
314                 .ident = "Amoi M636/A737",
315                 .matches = {
316                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
317                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
318                 },
319         },
320         {
321                 .ident = "Lenovo 3000 n100",
322                 .matches = {
323                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
324                         DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
325                 },
326         },
327         {
328                 .ident = "Acer Aspire 1360",
329                 .matches = {
330                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
331                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
332                 },
333         },
334         {
335                 .ident = "Gericom Bellagio",
336                 .matches = {
337                         DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
338                         DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
339                 },
340         },
341         {
342                 .ident = "IBM 2656",
343                 .matches = {
344                         DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
345                         DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
346                 },
347         },
348         {
349                 .ident = "Dell XPS M1530",
350                 .matches = {
351                         DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
352                         DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
353                 },
354         },
355         {
356                 .ident = "Compal HEL80I",
357                 .matches = {
358                         DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
359                         DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
360                 },
361         },
362         { }
363 };
364
365 #ifdef CONFIG_PNP
366 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
367         {
368                 .ident = "Intel MBO Desktop D845PESV",
369                 .matches = {
370                         DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
371                         DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
372                 },
373         },
374         { }
375 };
376 #endif
377
378 /*
379  * Some Wistron based laptops need us to explicitly enable the 'Dritek
380  * keyboard extension' to make their extra keys start generating scancodes.
381  * Originally, this was just confined to older laptops, but a few Acer laptops
382  * have turned up in 2007 that also need this again.
383  */
384 static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
385         {
386                 .ident = "Acer Aspire 5630",
387                 .matches = {
388                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
389                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
390                 },
391         },
392         {
393                 .ident = "Acer Aspire 5650",
394                 .matches = {
395                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
396                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
397                 },
398         },
399         {
400                 .ident = "Acer Aspire 5680",
401                 .matches = {
402                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
403                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
404                 },
405         },
406         {
407                 .ident = "Acer Aspire 5720",
408                 .matches = {
409                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
410                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
411                 },
412         },
413         {
414                 .ident = "Acer Aspire 9110",
415                 .matches = {
416                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
417                         DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
418                 },
419         },
420         {
421                 .ident = "Acer TravelMate 660",
422                 .matches = {
423                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
424                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
425                 },
426         },
427         {
428                 .ident = "Acer TravelMate 2490",
429                 .matches = {
430                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
431                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
432                 },
433         },
434         {
435                 .ident = "Acer TravelMate 4280",
436                 .matches = {
437                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
438                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
439                 },
440         },
441         { }
442 };
443
444 #endif /* CONFIG_X86 */
445
446 #ifdef CONFIG_PNP
447 #include <linux/pnp.h>
448
449 static int i8042_pnp_kbd_registered;
450 static unsigned int i8042_pnp_kbd_devices;
451 static int i8042_pnp_aux_registered;
452 static unsigned int i8042_pnp_aux_devices;
453
454 static int i8042_pnp_command_reg;
455 static int i8042_pnp_data_reg;
456 static int i8042_pnp_kbd_irq;
457 static int i8042_pnp_aux_irq;
458
459 static char i8042_pnp_kbd_name[32];
460 static char i8042_pnp_aux_name[32];
461
462 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
463 {
464         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
465                 i8042_pnp_data_reg = pnp_port_start(dev,0);
466
467         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
468                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
469
470         if (pnp_irq_valid(dev,0))
471                 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
472
473         strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
474         if (strlen(pnp_dev_name(dev))) {
475                 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
476                 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
477         }
478
479         i8042_pnp_kbd_devices++;
480         return 0;
481 }
482
483 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
484 {
485         if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
486                 i8042_pnp_data_reg = pnp_port_start(dev,0);
487
488         if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
489                 i8042_pnp_command_reg = pnp_port_start(dev, 1);
490
491         if (pnp_irq_valid(dev, 0))
492                 i8042_pnp_aux_irq = pnp_irq(dev, 0);
493
494         strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
495         if (strlen(pnp_dev_name(dev))) {
496                 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
497                 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
498         }
499
500         i8042_pnp_aux_devices++;
501         return 0;
502 }
503
504 static struct pnp_device_id pnp_kbd_devids[] = {
505         { .id = "PNP0303", .driver_data = 0 },
506         { .id = "PNP030b", .driver_data = 0 },
507         { .id = "", },
508 };
509
510 static struct pnp_driver i8042_pnp_kbd_driver = {
511         .name           = "i8042 kbd",
512         .id_table       = pnp_kbd_devids,
513         .probe          = i8042_pnp_kbd_probe,
514 };
515
516 static struct pnp_device_id pnp_aux_devids[] = {
517         { .id = "FJC6000", .driver_data = 0 },
518         { .id = "FJC6001", .driver_data = 0 },
519         { .id = "PNP0f03", .driver_data = 0 },
520         { .id = "PNP0f0b", .driver_data = 0 },
521         { .id = "PNP0f0e", .driver_data = 0 },
522         { .id = "PNP0f12", .driver_data = 0 },
523         { .id = "PNP0f13", .driver_data = 0 },
524         { .id = "PNP0f19", .driver_data = 0 },
525         { .id = "PNP0f1c", .driver_data = 0 },
526         { .id = "SYN0801", .driver_data = 0 },
527         { .id = "", },
528 };
529
530 static struct pnp_driver i8042_pnp_aux_driver = {
531         .name           = "i8042 aux",
532         .id_table       = pnp_aux_devids,
533         .probe          = i8042_pnp_aux_probe,
534 };
535
536 static void i8042_pnp_exit(void)
537 {
538         if (i8042_pnp_kbd_registered) {
539                 i8042_pnp_kbd_registered = 0;
540                 pnp_unregister_driver(&i8042_pnp_kbd_driver);
541         }
542
543         if (i8042_pnp_aux_registered) {
544                 i8042_pnp_aux_registered = 0;
545                 pnp_unregister_driver(&i8042_pnp_aux_driver);
546         }
547 }
548
549 static int __init i8042_pnp_init(void)
550 {
551         char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
552         int pnp_data_busted = 0;
553         int err;
554
555 #ifdef CONFIG_X86
556         if (dmi_check_system(i8042_dmi_nopnp_table))
557                 i8042_nopnp = 1;
558 #endif
559
560         if (i8042_nopnp) {
561                 printk(KERN_INFO "i8042: PNP detection disabled\n");
562                 return 0;
563         }
564
565         err = pnp_register_driver(&i8042_pnp_kbd_driver);
566         if (!err)
567                 i8042_pnp_kbd_registered = 1;
568
569         err = pnp_register_driver(&i8042_pnp_aux_driver);
570         if (!err)
571                 i8042_pnp_aux_registered = 1;
572
573         if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
574                 i8042_pnp_exit();
575 #if defined(__ia64__)
576                 return -ENODEV;
577 #else
578                 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
579                 return 0;
580 #endif
581         }
582
583         if (i8042_pnp_kbd_devices)
584                 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
585                         "%d", i8042_pnp_kbd_irq);
586         if (i8042_pnp_aux_devices)
587                 snprintf(aux_irq_str, sizeof(aux_irq_str),
588                         "%d", i8042_pnp_aux_irq);
589
590         printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
591                 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
592                 i8042_pnp_aux_name,
593                 i8042_pnp_data_reg, i8042_pnp_command_reg,
594                 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
595                 aux_irq_str);
596
597 #if defined(__ia64__)
598         if (!i8042_pnp_kbd_devices)
599                 i8042_nokbd = 1;
600         if (!i8042_pnp_aux_devices)
601                 i8042_noaux = 1;
602 #endif
603
604         if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
605               i8042_pnp_data_reg != i8042_data_reg) ||
606             !i8042_pnp_data_reg) {
607                 printk(KERN_WARNING
608                         "PNP: PS/2 controller has invalid data port %#x; "
609                         "using default %#x\n",
610                         i8042_pnp_data_reg, i8042_data_reg);
611                 i8042_pnp_data_reg = i8042_data_reg;
612                 pnp_data_busted = 1;
613         }
614
615         if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
616               i8042_pnp_command_reg != i8042_command_reg) ||
617             !i8042_pnp_command_reg) {
618                 printk(KERN_WARNING
619                         "PNP: PS/2 controller has invalid command port %#x; "
620                         "using default %#x\n",
621                         i8042_pnp_command_reg, i8042_command_reg);
622                 i8042_pnp_command_reg = i8042_command_reg;
623                 pnp_data_busted = 1;
624         }
625
626         if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
627                 printk(KERN_WARNING
628                         "PNP: PS/2 controller doesn't have KBD irq; "
629                         "using default %d\n", i8042_kbd_irq);
630                 i8042_pnp_kbd_irq = i8042_kbd_irq;
631                 pnp_data_busted = 1;
632         }
633
634         if (!i8042_noaux && !i8042_pnp_aux_irq) {
635                 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
636                         printk(KERN_WARNING
637                                 "PNP: PS/2 appears to have AUX port disabled, "
638                                 "if this is incorrect please boot with "
639                                 "i8042.nopnp\n");
640                         i8042_noaux = 1;
641                 } else {
642                         printk(KERN_WARNING
643                                 "PNP: PS/2 controller doesn't have AUX irq; "
644                                 "using default %d\n", i8042_aux_irq);
645                         i8042_pnp_aux_irq = i8042_aux_irq;
646                 }
647         }
648
649         i8042_data_reg = i8042_pnp_data_reg;
650         i8042_command_reg = i8042_pnp_command_reg;
651         i8042_kbd_irq = i8042_pnp_kbd_irq;
652         i8042_aux_irq = i8042_pnp_aux_irq;
653
654         return 0;
655 }
656
657 #else
658 static inline int i8042_pnp_init(void) { return 0; }
659 static inline void i8042_pnp_exit(void) { }
660 #endif
661
662 static int __init i8042_platform_init(void)
663 {
664         int retval;
665
666 /*
667  * On ix86 platforms touching the i8042 data register region can do really
668  * bad things. Because of this the region is always reserved on ix86 boxes.
669  *
670  *      if (!request_region(I8042_DATA_REG, 16, "i8042"))
671  *              return -EBUSY;
672  */
673
674         i8042_kbd_irq = I8042_MAP_IRQ(1);
675         i8042_aux_irq = I8042_MAP_IRQ(12);
676
677         retval = i8042_pnp_init();
678         if (retval)
679                 return retval;
680
681 #if defined(__ia64__)
682         i8042_reset = 1;
683 #endif
684
685 #ifdef CONFIG_X86
686         if (dmi_check_system(i8042_dmi_noloop_table))
687                 i8042_noloop = 1;
688
689         if (dmi_check_system(i8042_dmi_nomux_table))
690                 i8042_nomux = 1;
691
692         if (dmi_check_system(i8042_dmi_dritek_table))
693                 i8042_dritek = 1;
694 #endif /* CONFIG_X86 */
695
696         return retval;
697 }
698
699 static inline void i8042_platform_exit(void)
700 {
701         i8042_pnp_exit();
702 }
703
704 #endif /* _I8042_X86IA64IO_H */