tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
31static int i8042_kbd_irq;
32static 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
42static int i8042_command_reg = 0x64;
43static int i8042_data_reg = 0x60;
44
45
46static inline int i8042_read_data(void)
47{
48 return inb(I8042_DATA_REG);
49}
50
51static inline int i8042_read_status(void)
52{
53 return inb(I8042_STATUS_REG);
54}
55
56static inline void i8042_write_data(int val)
57{
58 outb(val, I8042_DATA_REG);
59}
60
61static 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
70static 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 .ident = "HP DV9700",
156 .matches = {
157 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
158 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
159 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
160 },
161 },
162 { }
163};
164
165/*
166 * Some Fujitsu notebooks are having trouble with touchpads if
167 * active multiplexing mode is activated. Luckily they don't have
168 * external PS/2 ports so we can safely disable it.
169 * ... apparently some Toshibas don't like MUX mode either and
170 * die horrible death on reboot.
171 */
172static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
173 {
174 .ident = "Fujitsu Lifebook P7010/P7010D",
175 .matches = {
176 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
177 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
178 },
179 },
180 {
181 .ident = "Fujitsu Lifebook P7010",
182 .matches = {
183 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
184 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
185 },
186 },
187 {
188 .ident = "Fujitsu Lifebook P5020D",
189 .matches = {
190 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
191 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
192 },
193 },
194 {
195 .ident = "Fujitsu Lifebook S2000",
196 .matches = {
197 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
198 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
199 },
200 },
201 {
202 .ident = "Fujitsu Lifebook S6230",
203 .matches = {
204 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
205 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
206 },
207 },
208 {
209 .ident = "Fujitsu T70H",
210 .matches = {
211 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
212 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
213 },
214 },
215 {
216 .ident = "Fujitsu-Siemens Lifebook T3010",
217 .matches = {
218 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
219 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
220 },
221 },
222 {
223 .ident = "Fujitsu-Siemens Lifebook E4010",
224 .matches = {
225 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
226 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
227 },
228 },
229 {
230 .ident = "Fujitsu-Siemens Amilo Pro 2010",
231 .matches = {
232 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
233 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
234 },
235 },
236 {
237 .ident = "Fujitsu-Siemens Amilo Pro 2030",
238 .matches = {
239 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
240 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
241 },
242 },
243 {
244 /*
245 * No data is coming from the touchscreen unless KBC
246 * is in legacy mode.
247 */
248 .ident = "Panasonic CF-29",
249 .matches = {
250 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
251 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
252 },
253 },
254 {
255 /*
256 * Errors on MUX ports are reported without raising AUXDATA
257 * causing "spurious NAK" messages.
258 */
259 .ident = "HP Pavilion DV4017EA",
260 .matches = {
261 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
262 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
263 },
264 },
265 {
266 /*
267 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
268 */
269 .ident = "HP Pavilion ZT1000",
270 .matches = {
271 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
272 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
273 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
274 },
275 },
276 {
277 /*
278 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
279 */
280 .ident = "HP Pavilion DV4270ca",
281 .matches = {
282 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
283 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
284 },
285 },
286 {
287 .ident = "Toshiba P10",
288 .matches = {
289 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
290 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
291 },
292 },
293 {
294 .ident = "Toshiba Equium A110",
295 .matches = {
296 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
297 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
298 },
299 },
300 {
301 .ident = "Alienware Sentia",
302 .matches = {
303 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
304 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
305 },
306 },
307 {
308 .ident = "Sharp Actius MM20",
309 .matches = {
310 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
311 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
312 },
313 },
314 {
315 .ident = "Sony Vaio FS-115b",
316 .matches = {
317 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
318 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
319 },
320 },
321 {
322 .ident = "Amoi M636/A737",
323 .matches = {
324 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
325 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
326 },
327 },
328 {
329 .ident = "Lenovo 3000 n100",
330 .matches = {
331 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
332 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
333 },
334 },
335 {
336 .ident = "Acer Aspire 1360",
337 .matches = {
338 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
339 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
340 },
341 },
342 {
343 .ident = "Gericom Bellagio",
344 .matches = {
345 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
346 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
347 },
348 },
349 {
350 .ident = "IBM 2656",
351 .matches = {
352 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
353 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
354 },
355 },
356 {
357 .ident = "Dell XPS M1530",
358 .matches = {
359 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
360 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
361 },
362 },
363 {
364 .ident = "Compal HEL80I",
365 .matches = {
366 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
367 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
368 },
369 },
370 {
371 .ident = "Dell Vostro 1510",
372 .matches = {
373 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
374 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
375 },
376 },
377 { }
378};
379
380static struct dmi_system_id __initdata i8042_dmi_reset_table[] = {
381 {
382 .ident = "MSI Wind U-100",
383 .matches = {
384 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
385 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
386 },
387 },
388 {
389 .ident = "LG Electronics X110",
390 .matches = {
391 DMI_MATCH(DMI_BOARD_NAME, "X110"),
392 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
393 },
394 },
395 { }
396};
397
398#ifdef CONFIG_PNP
399static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
400 {
401 .ident = "Intel MBO Desktop D845PESV",
402 .matches = {
403 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
404 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
405 },
406 },
407 {
408 .ident = "MSI Wind U-100",
409 .matches = {
410 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
411 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
412 },
413 },
414 { }
415};
416#endif
417
418/*
419 * Some Wistron based laptops need us to explicitly enable the 'Dritek
420 * keyboard extension' to make their extra keys start generating scancodes.
421 * Originally, this was just confined to older laptops, but a few Acer laptops
422 * have turned up in 2007 that also need this again.
423 */
424static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
425 {
426 .ident = "Acer Aspire 5630",
427 .matches = {
428 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
429 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
430 },
431 },
432 {
433 .ident = "Acer Aspire 5650",
434 .matches = {
435 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
436 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
437 },
438 },
439 {
440 .ident = "Acer Aspire 5680",
441 .matches = {
442 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
443 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
444 },
445 },
446 {
447 .ident = "Acer Aspire 5720",
448 .matches = {
449 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
450 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
451 },
452 },
453 {
454 .ident = "Acer Aspire 9110",
455 .matches = {
456 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
457 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
458 },
459 },
460 {
461 .ident = "Acer TravelMate 660",
462 .matches = {
463 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
464 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
465 },
466 },
467 {
468 .ident = "Acer TravelMate 2490",
469 .matches = {
470 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
471 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
472 },
473 },
474 {
475 .ident = "Acer TravelMate 4280",
476 .matches = {
477 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
478 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
479 },
480 },
481 { }
482};
483
484#endif /* CONFIG_X86 */
485
486#ifdef CONFIG_PNP
487#include <linux/pnp.h>
488
489static int i8042_pnp_kbd_registered;
490static unsigned int i8042_pnp_kbd_devices;
491static int i8042_pnp_aux_registered;
492static unsigned int i8042_pnp_aux_devices;
493
494static int i8042_pnp_command_reg;
495static int i8042_pnp_data_reg;
496static int i8042_pnp_kbd_irq;
497static int i8042_pnp_aux_irq;
498
499static char i8042_pnp_kbd_name[32];
500static char i8042_pnp_aux_name[32];
501
502static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
503{
504 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
505 i8042_pnp_data_reg = pnp_port_start(dev,0);
506
507 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
508 i8042_pnp_command_reg = pnp_port_start(dev, 1);
509
510 if (pnp_irq_valid(dev,0))
511 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
512
513 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
514 if (strlen(pnp_dev_name(dev))) {
515 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
516 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
517 }
518
519 i8042_pnp_kbd_devices++;
520 return 0;
521}
522
523static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
524{
525 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
526 i8042_pnp_data_reg = pnp_port_start(dev,0);
527
528 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
529 i8042_pnp_command_reg = pnp_port_start(dev, 1);
530
531 if (pnp_irq_valid(dev, 0))
532 i8042_pnp_aux_irq = pnp_irq(dev, 0);
533
534 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
535 if (strlen(pnp_dev_name(dev))) {
536 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
537 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
538 }
539
540 i8042_pnp_aux_devices++;
541 return 0;
542}
543
544static struct pnp_device_id pnp_kbd_devids[] = {
545 { .id = "PNP0303", .driver_data = 0 },
546 { .id = "PNP030b", .driver_data = 0 },
547 { .id = "", },
548};
549
550static struct pnp_driver i8042_pnp_kbd_driver = {
551 .name = "i8042 kbd",
552 .id_table = pnp_kbd_devids,
553 .probe = i8042_pnp_kbd_probe,
554};
555
556static struct pnp_device_id pnp_aux_devids[] = {
557 { .id = "FJC6000", .driver_data = 0 },
558 { .id = "FJC6001", .driver_data = 0 },
559 { .id = "PNP0f03", .driver_data = 0 },
560 { .id = "PNP0f0b", .driver_data = 0 },
561 { .id = "PNP0f0e", .driver_data = 0 },
562 { .id = "PNP0f12", .driver_data = 0 },
563 { .id = "PNP0f13", .driver_data = 0 },
564 { .id = "PNP0f19", .driver_data = 0 },
565 { .id = "PNP0f1c", .driver_data = 0 },
566 { .id = "SYN0801", .driver_data = 0 },
567 { .id = "", },
568};
569
570static struct pnp_driver i8042_pnp_aux_driver = {
571 .name = "i8042 aux",
572 .id_table = pnp_aux_devids,
573 .probe = i8042_pnp_aux_probe,
574};
575
576static void i8042_pnp_exit(void)
577{
578 if (i8042_pnp_kbd_registered) {
579 i8042_pnp_kbd_registered = 0;
580 pnp_unregister_driver(&i8042_pnp_kbd_driver);
581 }
582
583 if (i8042_pnp_aux_registered) {
584 i8042_pnp_aux_registered = 0;
585 pnp_unregister_driver(&i8042_pnp_aux_driver);
586 }
587}
588
589static int __init i8042_pnp_init(void)
590{
591 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
592 int pnp_data_busted = 0;
593 int err;
594
595#ifdef CONFIG_X86
596 if (dmi_check_system(i8042_dmi_nopnp_table))
597 i8042_nopnp = 1;
598#endif
599
600 if (i8042_nopnp) {
601 printk(KERN_INFO "i8042: PNP detection disabled\n");
602 return 0;
603 }
604
605 err = pnp_register_driver(&i8042_pnp_kbd_driver);
606 if (!err)
607 i8042_pnp_kbd_registered = 1;
608
609 err = pnp_register_driver(&i8042_pnp_aux_driver);
610 if (!err)
611 i8042_pnp_aux_registered = 1;
612
613 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
614 i8042_pnp_exit();
615#if defined(__ia64__)
616 return -ENODEV;
617#else
618 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
619 return 0;
620#endif
621 }
622
623 if (i8042_pnp_kbd_devices)
624 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
625 "%d", i8042_pnp_kbd_irq);
626 if (i8042_pnp_aux_devices)
627 snprintf(aux_irq_str, sizeof(aux_irq_str),
628 "%d", i8042_pnp_aux_irq);
629
630 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
631 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
632 i8042_pnp_aux_name,
633 i8042_pnp_data_reg, i8042_pnp_command_reg,
634 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
635 aux_irq_str);
636
637#if defined(__ia64__)
638 if (!i8042_pnp_kbd_devices)
639 i8042_nokbd = 1;
640 if (!i8042_pnp_aux_devices)
641 i8042_noaux = 1;
642#endif
643
644 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
645 i8042_pnp_data_reg != i8042_data_reg) ||
646 !i8042_pnp_data_reg) {
647 printk(KERN_WARNING
648 "PNP: PS/2 controller has invalid data port %#x; "
649 "using default %#x\n",
650 i8042_pnp_data_reg, i8042_data_reg);
651 i8042_pnp_data_reg = i8042_data_reg;
652 pnp_data_busted = 1;
653 }
654
655 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
656 i8042_pnp_command_reg != i8042_command_reg) ||
657 !i8042_pnp_command_reg) {
658 printk(KERN_WARNING
659 "PNP: PS/2 controller has invalid command port %#x; "
660 "using default %#x\n",
661 i8042_pnp_command_reg, i8042_command_reg);
662 i8042_pnp_command_reg = i8042_command_reg;
663 pnp_data_busted = 1;
664 }
665
666 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
667 printk(KERN_WARNING
668 "PNP: PS/2 controller doesn't have KBD irq; "
669 "using default %d\n", i8042_kbd_irq);
670 i8042_pnp_kbd_irq = i8042_kbd_irq;
671 pnp_data_busted = 1;
672 }
673
674 if (!i8042_noaux && !i8042_pnp_aux_irq) {
675 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
676 printk(KERN_WARNING
677 "PNP: PS/2 appears to have AUX port disabled, "
678 "if this is incorrect please boot with "
679 "i8042.nopnp\n");
680 i8042_noaux = 1;
681 } else {
682 printk(KERN_WARNING
683 "PNP: PS/2 controller doesn't have AUX irq; "
684 "using default %d\n", i8042_aux_irq);
685 i8042_pnp_aux_irq = i8042_aux_irq;
686 }
687 }
688
689 i8042_data_reg = i8042_pnp_data_reg;
690 i8042_command_reg = i8042_pnp_command_reg;
691 i8042_kbd_irq = i8042_pnp_kbd_irq;
692 i8042_aux_irq = i8042_pnp_aux_irq;
693
694 return 0;
695}
696
697#else
698static inline int i8042_pnp_init(void) { return 0; }
699static inline void i8042_pnp_exit(void) { }
700#endif
701
702static int __init i8042_platform_init(void)
703{
704 int retval;
705
706/*
707 * On ix86 platforms touching the i8042 data register region can do really
708 * bad things. Because of this the region is always reserved on ix86 boxes.
709 *
710 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
711 * return -EBUSY;
712 */
713
714 i8042_kbd_irq = I8042_MAP_IRQ(1);
715 i8042_aux_irq = I8042_MAP_IRQ(12);
716
717 retval = i8042_pnp_init();
718 if (retval)
719 return retval;
720
721#if defined(__ia64__)
722 i8042_reset = 1;
723#endif
724
725#ifdef CONFIG_X86
726 if (dmi_check_system(i8042_dmi_reset_table))
727 i8042_reset = 1;
728
729 if (dmi_check_system(i8042_dmi_noloop_table))
730 i8042_noloop = 1;
731
732 if (dmi_check_system(i8042_dmi_nomux_table))
733 i8042_nomux = 1;
734
735 if (dmi_check_system(i8042_dmi_dritek_table))
736 i8042_dritek = 1;
737#endif /* CONFIG_X86 */
738
739 return retval;
740}
741
742static inline void i8042_platform_exit(void)
743{
744 i8042_pnp_exit();
745}
746
747#endif /* _I8042_X86IA64IO_H */