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Input: atkbd - Samsung NC10 key repeat fix
[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 },
786b11cc
HRK		 340 {
341 .ident = "Dell XPS M1530",
342 .matches = {
343 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
344 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
345 },
346 },
5f4ba04f
DT		 347 {
348 .ident = "Compal HEL80I",
349 .matches = {
350 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
351 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
352 },
353 },
1da177e4
LT		 354 { }
355};
356
c3a34f43
JK		 357#ifdef CONFIG_PNP
358static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
359 {
360 .ident = "Intel MBO Desktop D845PESV",
361 .matches = {
362 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
363 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
364 },
365 },
366 { }
367};
1da177e4
LT		 368#endif
369
8987fec0
CC		 370/*
371 * Some Wistron based laptops need us to explicitly enable the 'Dritek
372 * keyboard extension' to make their extra keys start generating scancodes.
373 * Originally, this was just confined to older laptops, but a few Acer laptops
374 * have turned up in 2007 that also need this again.
375 */
376static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
377 {
378 .ident = "Acer Aspire 5630",
379 .matches = {
380 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
381 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
382 },
383 },
384 {
385 .ident = "Acer Aspire 5650",
386 .matches = {
387 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
388 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
389 },
390 },
391 {
392 .ident = "Acer Aspire 5680",
393 .matches = {
394 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
395 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
396 },
397 },
0e7e92fa
CC		 398 {
399 .ident = "Acer Aspire 5720",
400 .matches = {
401 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
402 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
403 },
404 },
5799ddb5
CC		 405 {
406 .ident = "Acer Aspire 9110",
407 .matches = {
408 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
409 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
410 },
411 },
65e660aa
BP		 412 {
413 .ident = "Acer TravelMate 660",
414 .matches = {
415 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
416 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
417 },
418 },
8987fec0
CC		 419 {
420 .ident = "Acer TravelMate 2490",
421 .matches = {
422 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
423 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
424 },
425 },
8e4ae101
CC		 426 {
427 .ident = "Acer TravelMate 4280",
428 .matches = {
429 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
430 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
431 },
432 },
8987fec0
CC		 433 { }
434};
435
436#endif /* CONFIG_X86 */
437
1da177e4
LT		 438#ifdef CONFIG_PNP
439#include <linux/pnp.h>
440
441static int i8042_pnp_kbd_registered;
2bfc3c6e 442static unsigned int i8042_pnp_kbd_devices;
1da177e4 443static int i8042_pnp_aux_registered;
2bfc3c6e 444static unsigned int i8042_pnp_aux_devices;
1da177e4
LT		 445
446static int i8042_pnp_command_reg;
447static int i8042_pnp_data_reg;
448static int i8042_pnp_kbd_irq;
449static int i8042_pnp_aux_irq;
450
451static char i8042_pnp_kbd_name[32];
452static char i8042_pnp_aux_name[32];
453
454static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
455{
456 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
457 i8042_pnp_data_reg = pnp_port_start(dev,0);
458
459 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
460 i8042_pnp_command_reg = pnp_port_start(dev, 1);
461
462 if (pnp_irq_valid(dev,0))
463 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
464
8c6deb9c 465 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
1da177e4 466 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 467 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
468 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
1da177e4
LT		 469 }
470
2bfc3c6e 471 i8042_pnp_kbd_devices++;
1da177e4
LT		 472 return 0;
473}
474
475static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
476{
477 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
478 i8042_pnp_data_reg = pnp_port_start(dev,0);
479
480 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
481 i8042_pnp_command_reg = pnp_port_start(dev, 1);
482
483 if (pnp_irq_valid(dev, 0))
484 i8042_pnp_aux_irq = pnp_irq(dev, 0);
485
8c6deb9c 486 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
1da177e4 487 if (strlen(pnp_dev_name(dev))) {
8c6deb9c
RK		 488 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
489 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
1da177e4
LT		 490 }
491
2bfc3c6e 492 i8042_pnp_aux_devices++;
1da177e4
LT		 493 return 0;
494}
495
496static struct pnp_device_id pnp_kbd_devids[] = {
497 { .id = "PNP0303", .driver_data = 0 },
498 { .id = "PNP030b", .driver_data = 0 },
499 { .id = "", },
500};
501
502static struct pnp_driver i8042_pnp_kbd_driver = {
503 .name = "i8042 kbd",
504 .id_table = pnp_kbd_devids,
505 .probe = i8042_pnp_kbd_probe,
506};
507
508static struct pnp_device_id pnp_aux_devids[] = {
b9973954
DT		 509 { .id = "FJC6000", .driver_data = 0 },
510 { .id = "FJC6001", .driver_data = 0 },
1da177e4
LT		 511 { .id = "PNP0f03", .driver_data = 0 },
512 { .id = "PNP0f0b", .driver_data = 0 },
513 { .id = "PNP0f0e", .driver_data = 0 },
514 { .id = "PNP0f12", .driver_data = 0 },
515 { .id = "PNP0f13", .driver_data = 0 },
516 { .id = "PNP0f19", .driver_data = 0 },
517 { .id = "PNP0f1c", .driver_data = 0 },
518 { .id = "SYN0801", .driver_data = 0 },
519 { .id = "", },
520};
521
522static struct pnp_driver i8042_pnp_aux_driver = {
523 .name = "i8042 aux",
524 .id_table = pnp_aux_devids,
525 .probe = i8042_pnp_aux_probe,
526};
527
528static void i8042_pnp_exit(void)
529{
74af42bb
KG		 530 if (i8042_pnp_kbd_registered) {
531 i8042_pnp_kbd_registered = 0;
1da177e4 532 pnp_unregister_driver(&i8042_pnp_kbd_driver);
74af42bb 533 }
1da177e4 534
74af42bb
KG		 535 if (i8042_pnp_aux_registered) {
536 i8042_pnp_aux_registered = 0;
1da177e4 537 pnp_unregister_driver(&i8042_pnp_aux_driver);
74af42bb 538 }
1da177e4
LT		 539}
540
8d5987a6 541static int __init i8042_pnp_init(void)
1da177e4 542{
c3d31e7f 543 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
080c652d 544 int pnp_data_busted = 0;
2bfc3c6e 545 int err;
1da177e4 546
c3a34f43
JK		 547#ifdef CONFIG_X86
548 if (dmi_check_system(i8042_dmi_nopnp_table))
549 i8042_nopnp = 1;
550#endif
551
1da177e4 552 if (i8042_nopnp) {
39fa5800 553 printk(KERN_INFO "i8042: PNP detection disabled\n");
1da177e4
LT		 554 return 0;
555 }
556
2bfc3c6e
BH		 557 err = pnp_register_driver(&i8042_pnp_kbd_driver);
558 if (!err)
1da177e4 559 i8042_pnp_kbd_registered = 1;
c3d31e7f 560
2bfc3c6e
BH		 561 err = pnp_register_driver(&i8042_pnp_aux_driver);
562 if (!err)
1da177e4
LT		 563 i8042_pnp_aux_registered = 1;
564
2bfc3c6e 565 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
1da177e4
LT		 566 i8042_pnp_exit();
567#if defined(__ia64__)
568 return -ENODEV;
569#else
5a72afc0 570 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
1da177e4
LT		 571 return 0;
572#endif
573 }
574
2bfc3c6e 575 if (i8042_pnp_kbd_devices)
c3d31e7f
DT		 576 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
577 "%d", i8042_pnp_kbd_irq);
2bfc3c6e 578 if (i8042_pnp_aux_devices)
c3d31e7f
DT		 579 snprintf(aux_irq_str, sizeof(aux_irq_str),
580 "%d", i8042_pnp_aux_irq);
581
582 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
2bfc3c6e 583 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 584 i8042_pnp_aux_name,
585 i8042_pnp_data_reg, i8042_pnp_command_reg,
2bfc3c6e 586 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
c3d31e7f
DT		 587 aux_irq_str);
588
589#if defined(__ia64__)
2bfc3c6e 590 if (!i8042_pnp_kbd_devices)
945ef0d4 591 i8042_nokbd = 1;
2bfc3c6e 592 if (!i8042_pnp_aux_devices)
c3d31e7f
DT		 593 i8042_noaux = 1;
594#endif
595
1da177e4 596 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
080c652d
DT		 597 i8042_pnp_data_reg != i8042_data_reg) ||
598 !i8042_pnp_data_reg) {
599 printk(KERN_WARNING
600 "PNP: PS/2 controller has invalid data port %#x; "
601 "using default %#x\n",
1da177e4
LT		 602 i8042_pnp_data_reg, i8042_data_reg);
603 i8042_pnp_data_reg = i8042_data_reg;
080c652d 604 pnp_data_busted = 1;
1da177e4
LT		 605 }
606
607 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
080c652d
DT		 608 i8042_pnp_command_reg != i8042_command_reg) ||
609 !i8042_pnp_command_reg) {
610 printk(KERN_WARNING
611 "PNP: PS/2 controller has invalid command port %#x; "
612 "using default %#x\n",
1da177e4
LT		 613 i8042_pnp_command_reg, i8042_command_reg);
614 i8042_pnp_command_reg = i8042_command_reg;
080c652d 615 pnp_data_busted = 1;
1da177e4
LT		 616 }
617
945ef0d4 618 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
080c652d
DT		 619 printk(KERN_WARNING
620 "PNP: PS/2 controller doesn't have KBD irq; "
621 "using default %d\n", i8042_kbd_irq);
1da177e4 622 i8042_pnp_kbd_irq = i8042_kbd_irq;
080c652d 623 pnp_data_busted = 1;
1da177e4
LT		 624 }
625
c3d31e7f 626 if (!i8042_noaux && !i8042_pnp_aux_irq) {
080c652d
DT		 627 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
628 printk(KERN_WARNING
629 "PNP: PS/2 appears to have AUX port disabled, "
630 "if this is incorrect please boot with "
631 "i8042.nopnp\n");
632 i8042_noaux = 1;
633 } else {
634 printk(KERN_WARNING
635 "PNP: PS/2 controller doesn't have AUX irq; "
636 "using default %d\n", i8042_aux_irq);
637 i8042_pnp_aux_irq = i8042_aux_irq;
638 }
1da177e4
LT		 639 }
640
1da177e4
LT		 641 i8042_data_reg = i8042_pnp_data_reg;
642 i8042_command_reg = i8042_pnp_command_reg;
643 i8042_kbd_irq = i8042_pnp_kbd_irq;
644 i8042_aux_irq = i8042_pnp_aux_irq;
645
1da177e4
LT		 646 return 0;
647}
648
8d5987a6
DT		 649#else
650static inline int i8042_pnp_init(void) { return 0; }
651static inline void i8042_pnp_exit(void) { }
1da177e4
LT		 652#endif
653
8d5987a6 654static int __init i8042_platform_init(void)
1da177e4 655{
8d5987a6
DT		 656 int retval;
657
1da177e4
LT		 658/*
659 * On ix86 platforms touching the i8042 data register region can do really
660 * bad things. Because of this the region is always reserved on ix86 boxes.
661 *
662 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
8d5987a6 663 * return -EBUSY;
1da177e4
LT		 664 */
665
666 i8042_kbd_irq = I8042_MAP_IRQ(1);
667 i8042_aux_irq = I8042_MAP_IRQ(12);
668
8d5987a6
DT		 669 retval = i8042_pnp_init();
670 if (retval)
671 return retval;
1da177e4
LT		 672
673#if defined(__ia64__)
674 i8042_reset = 1;
675#endif
676
c3a34f43 677#ifdef CONFIG_X86
1da177e4
LT		 678 if (dmi_check_system(i8042_dmi_noloop_table))
679 i8042_noloop = 1;
680
681 if (dmi_check_system(i8042_dmi_nomux_table))
682 i8042_nomux = 1;
1da177e4 683
8987fec0
CC		 684 if (dmi_check_system(i8042_dmi_dritek_table))
685 i8042_dritek = 1;
686#endif /* CONFIG_X86 */
687
8d5987a6 688 return retval;
1da177e4
LT		 689}
690
691static inline void i8042_platform_exit(void)
692{
1da177e4 693 i8042_pnp_exit();
1da177e4
LT		 694}
695
696#endif /* _I8042_X86IA64IO_H */
Linux 6.x block layer and io_uring tree(s)