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Input: elo - fix format string in elo driver
[linux-2.6-block.git] / drivers / input / serio / i8042-x86ia64io.h
CommitLineData
1da177e4
LT		 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
c3a34f43 66#ifdef CONFIG_X86
1da177e4
LT		 67
68#include <linux/dmi.h>
69
70static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
87d9173e
DT		 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 },
90245c17
DT		 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 },
1da177e4
LT		 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 },
6020bafc
BC		 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 },
8c4df74e
DT		 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 },
8bf4215e
JK		 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 },
89cdb8ce
DT		 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 },
2c6f2cb8
SB		 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 },
1da177e4
LT		 146 { }
147};
148
149/*
59311de3 150 * Some Fujitsu notebooks are having trouble with touchpads if
1da177e4
LT		 151 * active multiplexing mode is activated. Luckily they don't have
152 * external PS/2 ports so we can safely disable it.
59311de3
DT		 153 * ... apparently some Toshibas don't like MUX mode either and
154 * die horrible death on reboot.
1da177e4
LT		 155 */
156static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
157 {
158 .ident = "Fujitsu Lifebook P7010/P7010D",
159 .matches = {
160 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
161 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
162 },
163 },
bb06ec3c
DT		 164 {
165 .ident = "Fujitsu Lifebook P7010",
166 .matches = {
167 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
168 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
169 },
170 },
1da177e4
LT		 171 {
172 .ident = "Fujitsu Lifebook P5020D",
173 .matches = {
174 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
175 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
176 },
177 },
178 {
179 .ident = "Fujitsu Lifebook S2000",
180 .matches = {
181 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
182 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
183 },
184 },
b4ff99b6
DT		 185 {
186 .ident = "Fujitsu Lifebook S6230",
187 .matches = {
188 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
189 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
190 },
191 },
1da177e4
LT		 192 {
193 .ident = "Fujitsu T70H",
194 .matches = {
195 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
196 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
197 },
198 },
20f07944
VP		 199 {
200 .ident = "Fujitsu-Siemens Lifebook T3010",
201 .matches = {
202 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
203 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
204 },
205 },
7545c24c
DT		 206 {
207 .ident = "Fujitsu-Siemens Lifebook E4010",
208 .matches = {
209 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
210 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
211 },
212 },
3f79b1e9
JK		 213 {
214 .ident = "Fujitsu-Siemens Amilo Pro 2010",
215 .matches = {
216 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
217 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
218 },
219 },
efd51846
JK		 220 {
221 .ident = "Fujitsu-Siemens Amilo Pro 2030",
222 .matches = {
223 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
224 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
225 },
226 },
cc8310e3
DT		 227 {
228 /*
229 * No data is coming from the touchscreen unless KBC
230 * is in legacy mode.
231 */
232 .ident = "Panasonic CF-29",
233 .matches = {
234 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
235 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
236 },
237 },
6e782584
DT		 238 {
239 /*
240 * Errors on MUX ports are reported without raising AUXDATA
241 * causing "spurious NAK" messages.
242 */
243 .ident = "HP Pavilion DV4017EA",
244 .matches = {
245 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
246 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
247 },
248 },
9d9d50bb
DT		 249 {
250 /*
251 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
252 */
253 .ident = "HP Pavilion ZT1000",
254 .matches = {
255 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
257 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
258 },
259 },
749aea73
EP		 260 {
261 /*
262 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
263 */
264 .ident = "HP Pavilion DV4270ca",
265 .matches = {
266 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
267 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
268 },
269 },
59311de3
DT		 270 {
271 .ident = "Toshiba P10",
272 .matches = {
273 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
274 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
275 },
276 },
a91eaa16
DT		 277 {
278 .ident = "Toshiba Equium A110",
279 .matches = {
280 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
281 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
282 },
283 },
865190cd
DT		 284 {
285 .ident = "Alienware Sentia",
286 .matches = {
287 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
288 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
289 },
290 },
4eb38ac0
DT		 291 {
292 .ident = "Sharp Actius MM20",
293 .matches = {
294 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
295 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
296 },
297 },
3dd01a83
VP		 298 {
299 .ident = "Sony Vaio FS-115b",
300 .matches = {
301 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
302 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
303 },
304 },
e2df452b
CH		 305 {
306 .ident = "Amoi M636/A737",
307 .matches = {
308 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
309 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
310 },
311 },
2a2dcd65
JK		 312 {
313 .ident = "Lenovo 3000 n100",
314 .matches = {
315 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
9ce1ca28 316 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
2a2dcd65
JK		 317 },
318 },
0376bce7
JK		 319 {
320 .ident = "Acer Aspire 1360",
321 .matches = {
322 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
323 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
324 },
325 },
5b5b43d0
JK		 326 {
327 .ident = "Gericom Bellagio",
328 .matches = {
329 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
330 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
331 },
332 },
5bd8a05e
CM		 333 {
334 .ident = "IBM 2656",
335 .matches = {
336 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
337 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
338 },
339 },
1da177e4
LT		 340 { }
341};
342
c3a34f43
JK		 343#ifdef CONFIG_PNP
344static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
345 {
346 .ident = "Intel MBO Desktop D845PESV",
347 .matches = {
348 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
349 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
350 },
351 },
352 { }
353};
1da177e4
LT		 354#endif
355
8987fec0
CC		 356/*
357 * Some Wistron based laptops need us to explicitly enable the 'Dritek
358 * keyboard extension' to make their extra keys start generating scancodes.
359 * Originally, this was just confined to older laptops, but a few Acer laptops
360 * have turned up in 2007 that also need this again.
361 */
362static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
363 {
364 .ident = "Acer Aspire 5630",
365 .matches = {
366 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
367 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
368 },
369 },
370 {
371 .ident = "Acer Aspire 5650",
372 .matches = {
373 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
374 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
375 },
376 },
377 {
378 .ident = "Acer Aspire 5680",
379 .matches = {
380 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
381 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
382 },
383 },
0e7e92fa
CC		 384 {
385 .ident = "Acer Aspire 5720",
386 .matches = {
387 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
388 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
389 },
390 },
5799ddb5
CC		 391 {
392 .ident = "Acer Aspire 9110",
393 .matches = {
394 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
395 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
396 },
397 },
65e660aa
BP		 398 {
399 .ident = "Acer TravelMate 660",
400 .matches = {
401 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
402 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
403 },
404 },
8987fec0
CC		 405 {
406 .ident = "Acer TravelMate 2490",
407 .matches = {
408 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
409 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
410 },
411 },
8e4ae101
CC		 412 {
413 .ident = "Acer TravelMate 4280",
414 .matches = {
415 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
416 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
417 },
418 },
8987fec0
CC		 419 { }
420};
421
422#endif /* CONFIG_X86 */
423
1da177e4
LT		 424#ifdef CONFIG_PNP
425#include <linux/pnp.h>
426
427static int i8042_pnp_kbd_registered;
2bfc3c6e 428static unsigned int i8042_pnp_kbd_devices;
1da177e4 429static int i8042_pnp_aux_registered;
2bfc3c6e 430static unsigned int i8042_pnp_aux_devices;
1da177e4
LT		 431
432static int i8042_pnp_command_reg;
433static int i8042_pnp_data_reg;
434static int i8042_pnp_kbd_irq;
435static int i8042_pnp_aux_irq;
436
437static char i8042_pnp_kbd_name[32];
438static char i8042_pnp_aux_name[32];
439
440static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
441{
442 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
443 i8042_pnp_data_reg = pnp_port_start(dev,0);
444
445 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
446 i8042_pnp_command_reg = pnp_port_start(dev, 1);
447
448 if (pnp_irq_valid(dev,0))
449 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
450
8c6deb9c 451 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1da177e4 452 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 453 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
454 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1da177e4
LT		 455 }
456
2bfc3c6e 457 i8042_pnp_kbd_devices++;
1da177e4
LT		 458 return 0;
459}
460
461static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
462{
463 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
464 i8042_pnp_data_reg = pnp_port_start(dev,0);
465
466 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
467 i8042_pnp_command_reg = pnp_port_start(dev, 1);
468
469 if (pnp_irq_valid(dev, 0))
470 i8042_pnp_aux_irq = pnp_irq(dev, 0);
471
8c6deb9c 472 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1da177e4 473 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 474 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
475 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1da177e4
LT		 476 }
477
2bfc3c6e 478 i8042_pnp_aux_devices++;
1da177e4
LT		 479 return 0;
480}
481
482static struct pnp_device_id pnp_kbd_devids[] = {
483 { .id = "PNP0303", .driver_data = 0 },
484 { .id = "PNP030b", .driver_data = 0 },
485 { .id = "", },
486};
487
488static struct pnp_driver i8042_pnp_kbd_driver = {
489 .name = "i8042 kbd",
490 .id_table = pnp_kbd_devids,
491 .probe = i8042_pnp_kbd_probe,
492};
493
494static struct pnp_device_id pnp_aux_devids[] = {
b9973954
DT		 495 { .id = "FJC6000", .driver_data = 0 },
496 { .id = "FJC6001", .driver_data = 0 },
1da177e4
LT		 497 { .id = "PNP0f03", .driver_data = 0 },
498 { .id = "PNP0f0b", .driver_data = 0 },
499 { .id = "PNP0f0e", .driver_data = 0 },
500 { .id = "PNP0f12", .driver_data = 0 },
501 { .id = "PNP0f13", .driver_data = 0 },
502 { .id = "PNP0f19", .driver_data = 0 },
503 { .id = "PNP0f1c", .driver_data = 0 },
504 { .id = "SYN0801", .driver_data = 0 },
505 { .id = "", },
506};
507
508static struct pnp_driver i8042_pnp_aux_driver = {
509 .name = "i8042 aux",
510 .id_table = pnp_aux_devids,
511 .probe = i8042_pnp_aux_probe,
512};
513
514static void i8042_pnp_exit(void)
515{
74af42bb
KG		 516 if (i8042_pnp_kbd_registered) {
517 i8042_pnp_kbd_registered = 0;
1da177e4 518 pnp_unregister_driver(&i8042_pnp_kbd_driver);
74af42bb 519 }
1da177e4 520
74af42bb
KG		 521 if (i8042_pnp_aux_registered) {
522 i8042_pnp_aux_registered = 0;
1da177e4 523 pnp_unregister_driver(&i8042_pnp_aux_driver);
74af42bb 524 }
1da177e4
LT		 525}
526
8d5987a6 527static int __init i8042_pnp_init(void)
1da177e4 528{
c3d31e7f 529 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
080c652d 530 int pnp_data_busted = 0;
2bfc3c6e 531 int err;
1da177e4 532
c3a34f43
JK		 533#ifdef CONFIG_X86
534 if (dmi_check_system(i8042_dmi_nopnp_table))
535 i8042_nopnp = 1;
536#endif
537
1da177e4 538 if (i8042_nopnp) {
39fa5800 539 printk(KERN_INFO "i8042: PNP detection disabled\n");
1da177e4
LT		 540 return 0;
541 }
542
2bfc3c6e
BH		 543 err = pnp_register_driver(&i8042_pnp_kbd_driver);
544 if (!err)
1da177e4 545 i8042_pnp_kbd_registered = 1;
c3d31e7f 546
2bfc3c6e
BH		 547 err = pnp_register_driver(&i8042_pnp_aux_driver);
548 if (!err)
1da177e4
LT		 549 i8042_pnp_aux_registered = 1;
550
2bfc3c6e 551 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1da177e4
LT		 552 i8042_pnp_exit();
553#if defined(__ia64__)
554 return -ENODEV;
555#else
5a72afc0 556 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
1da177e4
LT		 557 return 0;
558#endif
559 }
560
2bfc3c6e 561 if (i8042_pnp_kbd_devices)
c3d31e7f
DT		 562 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
563 "%d", i8042_pnp_kbd_irq);
2bfc3c6e 564 if (i8042_pnp_aux_devices)
c3d31e7f
DT		 565 snprintf(aux_irq_str, sizeof(aux_irq_str),
566 "%d", i8042_pnp_aux_irq);
567
568 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
2bfc3c6e 569 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 570 i8042_pnp_aux_name,
571 i8042_pnp_data_reg, i8042_pnp_command_reg,
2bfc3c6e 572 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 573 aux_irq_str);
574
575#if defined(__ia64__)
2bfc3c6e 576 if (!i8042_pnp_kbd_devices)
945ef0d4 577 i8042_nokbd = 1;
2bfc3c6e 578 if (!i8042_pnp_aux_devices)
c3d31e7f
DT		 579 i8042_noaux = 1;
580#endif
581
1da177e4 582 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
080c652d
DT		 583 i8042_pnp_data_reg != i8042_data_reg) ||
584 !i8042_pnp_data_reg) {
585 printk(KERN_WARNING
586 "PNP: PS/2 controller has invalid data port %#x; "
587 "using default %#x\n",
1da177e4
LT		 588 i8042_pnp_data_reg, i8042_data_reg);
589 i8042_pnp_data_reg = i8042_data_reg;
080c652d 590 pnp_data_busted = 1;
1da177e4
LT		 591 }
592
593 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
080c652d
DT		 594 i8042_pnp_command_reg != i8042_command_reg) ||
595 !i8042_pnp_command_reg) {
596 printk(KERN_WARNING
597 "PNP: PS/2 controller has invalid command port %#x; "
598 "using default %#x\n",
1da177e4
LT		 599 i8042_pnp_command_reg, i8042_command_reg);
600 i8042_pnp_command_reg = i8042_command_reg;
080c652d 601 pnp_data_busted = 1;
1da177e4
LT		 602 }
603
945ef0d4 604 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
080c652d
DT		 605 printk(KERN_WARNING
606 "PNP: PS/2 controller doesn't have KBD irq; "
607 "using default %d\n", i8042_kbd_irq);
1da177e4 608 i8042_pnp_kbd_irq = i8042_kbd_irq;
080c652d 609 pnp_data_busted = 1;
1da177e4
LT		 610 }
611
c3d31e7f 612 if (!i8042_noaux && !i8042_pnp_aux_irq) {
080c652d
DT		 613 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
614 printk(KERN_WARNING
615 "PNP: PS/2 appears to have AUX port disabled, "
616 "if this is incorrect please boot with "
617 "i8042.nopnp\n");
618 i8042_noaux = 1;
619 } else {
620 printk(KERN_WARNING
621 "PNP: PS/2 controller doesn't have AUX irq; "
622 "using default %d\n", i8042_aux_irq);
623 i8042_pnp_aux_irq = i8042_aux_irq;
624 }
1da177e4
LT		 625 }
626
1da177e4
LT		 627 i8042_data_reg = i8042_pnp_data_reg;
628 i8042_command_reg = i8042_pnp_command_reg;
629 i8042_kbd_irq = i8042_pnp_kbd_irq;
630 i8042_aux_irq = i8042_pnp_aux_irq;
631
1da177e4
LT		 632 return 0;
633}
634
8d5987a6
DT		 635#else
636static inline int i8042_pnp_init(void) { return 0; }
637static inline void i8042_pnp_exit(void) { }
1da177e4
LT		 638#endif
639
8d5987a6 640static int __init i8042_platform_init(void)
1da177e4 641{
8d5987a6
DT		 642 int retval;
643
1da177e4
LT		 644/*
645 * On ix86 platforms touching the i8042 data register region can do really
646 * bad things. Because of this the region is always reserved on ix86 boxes.
647 *
648 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
8d5987a6 649 * return -EBUSY;
1da177e4
LT		 650 */
651
652 i8042_kbd_irq = I8042_MAP_IRQ(1);
653 i8042_aux_irq = I8042_MAP_IRQ(12);
654
8d5987a6
DT		 655 retval = i8042_pnp_init();
656 if (retval)
657 return retval;
1da177e4
LT		 658
659#if defined(__ia64__)
660 i8042_reset = 1;
661#endif
662
c3a34f43 663#ifdef CONFIG_X86
1da177e4
LT		 664 if (dmi_check_system(i8042_dmi_noloop_table))
665 i8042_noloop = 1;
666
667 if (dmi_check_system(i8042_dmi_nomux_table))
668 i8042_nomux = 1;
1da177e4 669
8987fec0
CC		 670 if (dmi_check_system(i8042_dmi_dritek_table))
671 i8042_dritek = 1;
672#endif /* CONFIG_X86 */
673
8d5987a6 674 return retval;
1da177e4
LT		 675}
676
677static inline void i8042_platform_exit(void)
678{
1da177e4 679 i8042_pnp_exit();
1da177e4
LT		 680}
681
682#endif /* _I8042_X86IA64IO_H */
Linux 6.x block layer and io_uring tree(s)