blob: 662e84482c2601827e92882bd9bae5debf80dd34 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
Bruce Duncanb4d62de2008-01-30 16:34:34 -050066#if defined(__i386__) || defined(__x86_64__)
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
68#include <linux/dmi.h>
69
70static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
71 {
Dmitry Torokhov90245c12007-06-12 00:33:27 -040072 /* AUX LOOP command does not raise AUX IRQ */
73 .ident = "ASUS P65UP5",
74 .matches = {
75 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
76 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
77 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
78 },
79 },
80 {
Linus Torvalds1da177e2005-04-16 15:20:36 -070081 .ident = "Compaq Proliant 8500",
82 .matches = {
83 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
84 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
85 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
86 },
87 },
88 {
89 .ident = "Compaq Proliant DL760",
90 .matches = {
91 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
92 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
93 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
94 },
95 },
Ben Collins6020baf2006-01-05 23:00:38 -050096 {
97 .ident = "OQO Model 01",
98 .matches = {
99 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
100 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
101 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
102 },
103 },
Dmitry Torokhov8c4df742007-06-12 00:33:32 -0400104 {
105 /* AUX LOOP does not work properly */
106 .ident = "ULI EV4873",
107 .matches = {
108 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
109 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
110 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
111 },
112 },
Jiri Kosina8bf42152007-11-21 14:17:38 -0500113 {
114 .ident = "Microsoft Virtual Machine",
115 .matches = {
116 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
117 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
118 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
119 },
120 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121 { }
122};
123
124/*
Dmitry Torokhov59311de2005-05-28 02:12:05 -0500125 * Some Fujitsu notebooks are having trouble with touchpads if
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126 * active multiplexing mode is activated. Luckily they don't have
127 * external PS/2 ports so we can safely disable it.
Dmitry Torokhov59311de2005-05-28 02:12:05 -0500128 * ... apparently some Toshibas don't like MUX mode either and
129 * die horrible death on reboot.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130 */
131static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
132 {
133 .ident = "Fujitsu Lifebook P7010/P7010D",
134 .matches = {
135 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
136 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
137 },
138 },
139 {
Dmitry Torokhovbb06ec3c2006-12-08 01:36:32 -0500140 .ident = "Fujitsu Lifebook P7010",
141 .matches = {
142 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
143 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
144 },
145 },
146 {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147 .ident = "Fujitsu Lifebook P5020D",
148 .matches = {
149 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
150 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
151 },
152 },
153 {
154 .ident = "Fujitsu Lifebook S2000",
155 .matches = {
156 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
157 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
158 },
159 },
160 {
Dmitry Torokhovb4ff99b2005-05-28 02:12:10 -0500161 .ident = "Fujitsu Lifebook S6230",
162 .matches = {
163 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
164 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
165 },
166 },
167 {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168 .ident = "Fujitsu T70H",
169 .matches = {
170 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
171 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
172 },
173 },
Dmitry Torokhov59311de2005-05-28 02:12:05 -0500174 {
Vojtech Pavlik20f07942005-07-11 01:06:28 -0500175 .ident = "Fujitsu-Siemens Lifebook T3010",
176 .matches = {
177 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
178 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
179 },
180 },
181 {
Dmitry Torokhov7545c242005-09-04 01:42:10 -0500182 .ident = "Fujitsu-Siemens Lifebook E4010",
183 .matches = {
184 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
185 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
186 },
187 },
188 {
Jiri Kosina3f79b1e2008-01-30 16:34:52 -0500189 .ident = "Fujitsu-Siemens Amilo Pro 2010",
190 .matches = {
191 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
192 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
193 },
194 },
195 {
Dmitry Torokhov6e782582007-03-16 00:59:42 -0400196 /*
Dmitry Torokhovcc8310e2007-04-25 00:40:32 -0400197 * No data is coming from the touchscreen unless KBC
198 * is in legacy mode.
199 */
200 .ident = "Panasonic CF-29",
201 .matches = {
202 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
203 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
204 },
205 },
206 {
207 /*
Dmitry Torokhov6e782582007-03-16 00:59:42 -0400208 * Errors on MUX ports are reported without raising AUXDATA
209 * causing "spurious NAK" messages.
210 */
211 .ident = "HP Pavilion DV4017EA",
212 .matches = {
213 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
214 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
215 },
216 },
217 {
Dmitry Torokhov9d9d50b2007-06-28 00:44:27 -0400218 /*
219 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
220 */
221 .ident = "HP Pavilion ZT1000",
222 .matches = {
223 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
224 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
225 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
226 },
227 },
228 {
Elvis Pranskevichus749aea72007-09-04 23:18:21 -0400229 /*
230 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
231 */
232 .ident = "HP Pavilion DV4270ca",
233 .matches = {
234 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
235 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
236 },
237 },
238 {
Dmitry Torokhov59311de2005-05-28 02:12:05 -0500239 .ident = "Toshiba P10",
240 .matches = {
241 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
243 },
244 },
Dmitry Torokhov865190c2005-07-11 01:06:06 -0500245 {
Dmitry Torokhova91eaa12006-09-14 01:31:06 -0400246 .ident = "Toshiba Equium A110",
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
250 },
251 },
252 {
Dmitry Torokhov865190c2005-07-11 01:06:06 -0500253 .ident = "Alienware Sentia",
254 .matches = {
255 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
257 },
258 },
Dmitry Torokhov4eb38ac2005-12-21 00:51:51 -0500259 {
260 .ident = "Sharp Actius MM20",
261 .matches = {
262 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
264 },
265 },
Vojtech Pavlik3dd01a82006-01-14 00:24:06 -0500266 {
267 .ident = "Sony Vaio FS-115b",
268 .matches = {
269 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
271 },
272 },
Cjacker Huange2df4522006-08-08 23:38:22 -0400273 {
274 .ident = "Amoi M636/A737",
275 .matches = {
276 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
277 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
278 },
279 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280 { }
281};
282
283
284
285#endif
286
Carlos Corbacho8987fec2008-01-21 01:04:40 -0500287#ifdef CONFIG_X86
288
289#include <linux/dmi.h>
290
291/*
292 * Some Wistron based laptops need us to explicitly enable the 'Dritek
293 * keyboard extension' to make their extra keys start generating scancodes.
294 * Originally, this was just confined to older laptops, but a few Acer laptops
295 * have turned up in 2007 that also need this again.
296 */
297static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
298 {
299 .ident = "Acer Aspire 5630",
300 .matches = {
301 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
302 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
303 },
304 },
305 {
306 .ident = "Acer Aspire 5650",
307 .matches = {
308 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
309 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
310 },
311 },
312 {
313 .ident = "Acer Aspire 5680",
314 .matches = {
315 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
316 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
317 },
318 },
319 {
Carlos Corbacho5799ddb2008-01-30 16:34:12 -0500320 .ident = "Acer Aspire 9110",
321 .matches = {
322 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
323 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
324 },
325 },
326 {
Carlos Corbacho8987fec2008-01-21 01:04:40 -0500327 .ident = "Acer TravelMate 2490",
328 .matches = {
329 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
330 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
331 },
332 },
333 { }
334};
335
336#endif /* CONFIG_X86 */
337
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338
339#ifdef CONFIG_PNP
340#include <linux/pnp.h>
341
342static int i8042_pnp_kbd_registered;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500343static unsigned int i8042_pnp_kbd_devices;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344static int i8042_pnp_aux_registered;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500345static unsigned int i8042_pnp_aux_devices;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346
347static int i8042_pnp_command_reg;
348static int i8042_pnp_data_reg;
349static int i8042_pnp_kbd_irq;
350static int i8042_pnp_aux_irq;
351
352static char i8042_pnp_kbd_name[32];
353static char i8042_pnp_aux_name[32];
354
355static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
356{
357 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
358 i8042_pnp_data_reg = pnp_port_start(dev,0);
359
360 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
361 i8042_pnp_command_reg = pnp_port_start(dev, 1);
362
363 if (pnp_irq_valid(dev,0))
364 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
365
366 strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
367 if (strlen(pnp_dev_name(dev))) {
368 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
369 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
370 }
371
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500372 i8042_pnp_kbd_devices++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373 return 0;
374}
375
376static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
377{
378 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
379 i8042_pnp_data_reg = pnp_port_start(dev,0);
380
381 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
382 i8042_pnp_command_reg = pnp_port_start(dev, 1);
383
384 if (pnp_irq_valid(dev, 0))
385 i8042_pnp_aux_irq = pnp_irq(dev, 0);
386
387 strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
388 if (strlen(pnp_dev_name(dev))) {
389 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
390 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
391 }
392
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500393 i8042_pnp_aux_devices++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394 return 0;
395}
396
397static struct pnp_device_id pnp_kbd_devids[] = {
398 { .id = "PNP0303", .driver_data = 0 },
399 { .id = "PNP030b", .driver_data = 0 },
400 { .id = "", },
401};
402
403static struct pnp_driver i8042_pnp_kbd_driver = {
404 .name = "i8042 kbd",
405 .id_table = pnp_kbd_devids,
406 .probe = i8042_pnp_kbd_probe,
407};
408
409static struct pnp_device_id pnp_aux_devids[] = {
Dmitry Torokhovb9973952007-04-25 00:40:53 -0400410 { .id = "FJC6000", .driver_data = 0 },
411 { .id = "FJC6001", .driver_data = 0 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700412 { .id = "PNP0f03", .driver_data = 0 },
413 { .id = "PNP0f0b", .driver_data = 0 },
414 { .id = "PNP0f0e", .driver_data = 0 },
415 { .id = "PNP0f12", .driver_data = 0 },
416 { .id = "PNP0f13", .driver_data = 0 },
417 { .id = "PNP0f19", .driver_data = 0 },
418 { .id = "PNP0f1c", .driver_data = 0 },
419 { .id = "SYN0801", .driver_data = 0 },
420 { .id = "", },
421};
422
423static struct pnp_driver i8042_pnp_aux_driver = {
424 .name = "i8042 aux",
425 .id_table = pnp_aux_devids,
426 .probe = i8042_pnp_aux_probe,
427};
428
429static void i8042_pnp_exit(void)
430{
Kurt Garloff74af42b2005-05-28 02:11:38 -0500431 if (i8042_pnp_kbd_registered) {
432 i8042_pnp_kbd_registered = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433 pnp_unregister_driver(&i8042_pnp_kbd_driver);
Kurt Garloff74af42b2005-05-28 02:11:38 -0500434 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435
Kurt Garloff74af42b2005-05-28 02:11:38 -0500436 if (i8042_pnp_aux_registered) {
437 i8042_pnp_aux_registered = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438 pnp_unregister_driver(&i8042_pnp_aux_driver);
Kurt Garloff74af42b2005-05-28 02:11:38 -0500439 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440}
441
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500442static int __init i8042_pnp_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443{
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500444 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400445 int pnp_data_busted = 0;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500446 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700447
448 if (i8042_nopnp) {
Vojtech Pavlik39fa5802005-05-28 02:11:16 -0500449 printk(KERN_INFO "i8042: PNP detection disabled\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450 return 0;
451 }
452
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500453 err = pnp_register_driver(&i8042_pnp_kbd_driver);
454 if (!err)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455 i8042_pnp_kbd_registered = 1;
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500456
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500457 err = pnp_register_driver(&i8042_pnp_aux_driver);
458 if (!err)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700459 i8042_pnp_aux_registered = 1;
460
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500461 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700462 i8042_pnp_exit();
463#if defined(__ia64__)
464 return -ENODEV;
465#else
Dmitry Torokhov5a72afc2005-05-28 02:11:32 -0500466 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467 return 0;
468#endif
469 }
470
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500471 if (i8042_pnp_kbd_devices)
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500472 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
473 "%d", i8042_pnp_kbd_irq);
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500474 if (i8042_pnp_aux_devices)
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500475 snprintf(aux_irq_str, sizeof(aux_irq_str),
476 "%d", i8042_pnp_aux_irq);
477
478 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500479 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500480 i8042_pnp_aux_name,
481 i8042_pnp_data_reg, i8042_pnp_command_reg,
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500482 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500483 aux_irq_str);
484
485#if defined(__ia64__)
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500486 if (!i8042_pnp_kbd_devices)
Dmitry Torokhov945ef0d2005-09-04 01:42:00 -0500487 i8042_nokbd = 1;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500488 if (!i8042_pnp_aux_devices)
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500489 i8042_noaux = 1;
490#endif
491
Linus Torvalds1da177e2005-04-16 15:20:36 -0700492 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400493 i8042_pnp_data_reg != i8042_data_reg) ||
494 !i8042_pnp_data_reg) {
495 printk(KERN_WARNING
496 "PNP: PS/2 controller has invalid data port %#x; "
497 "using default %#x\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700498 i8042_pnp_data_reg, i8042_data_reg);
499 i8042_pnp_data_reg = i8042_data_reg;
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400500 pnp_data_busted = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 }
502
503 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400504 i8042_pnp_command_reg != i8042_command_reg) ||
505 !i8042_pnp_command_reg) {
506 printk(KERN_WARNING
507 "PNP: PS/2 controller has invalid command port %#x; "
508 "using default %#x\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509 i8042_pnp_command_reg, i8042_command_reg);
510 i8042_pnp_command_reg = i8042_command_reg;
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400511 pnp_data_busted = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512 }
513
Dmitry Torokhov945ef0d2005-09-04 01:42:00 -0500514 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400515 printk(KERN_WARNING
516 "PNP: PS/2 controller doesn't have KBD irq; "
517 "using default %d\n", i8042_kbd_irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 i8042_pnp_kbd_irq = i8042_kbd_irq;
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400519 pnp_data_busted = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700520 }
521
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500522 if (!i8042_noaux && !i8042_pnp_aux_irq) {
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400523 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
524 printk(KERN_WARNING
525 "PNP: PS/2 appears to have AUX port disabled, "
526 "if this is incorrect please boot with "
527 "i8042.nopnp\n");
528 i8042_noaux = 1;
529 } else {
530 printk(KERN_WARNING
531 "PNP: PS/2 controller doesn't have AUX irq; "
532 "using default %d\n", i8042_aux_irq);
533 i8042_pnp_aux_irq = i8042_aux_irq;
534 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535 }
536
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537 i8042_data_reg = i8042_pnp_data_reg;
538 i8042_command_reg = i8042_pnp_command_reg;
539 i8042_kbd_irq = i8042_pnp_kbd_irq;
540 i8042_aux_irq = i8042_pnp_aux_irq;
541
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542 return 0;
543}
544
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500545#else
546static inline int i8042_pnp_init(void) { return 0; }
547static inline void i8042_pnp_exit(void) { }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700548#endif
549
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500550static int __init i8042_platform_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700551{
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500552 int retval;
553
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554/*
555 * On ix86 platforms touching the i8042 data register region can do really
556 * bad things. Because of this the region is always reserved on ix86 boxes.
557 *
558 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500559 * return -EBUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700560 */
561
562 i8042_kbd_irq = I8042_MAP_IRQ(1);
563 i8042_aux_irq = I8042_MAP_IRQ(12);
564
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500565 retval = i8042_pnp_init();
566 if (retval)
567 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568
569#if defined(__ia64__)
570 i8042_reset = 1;
571#endif
572
Bruce Duncanb4d62de2008-01-30 16:34:34 -0500573#if defined(__i386__) || defined(__x86_64__)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700574 if (dmi_check_system(i8042_dmi_noloop_table))
575 i8042_noloop = 1;
576
577 if (dmi_check_system(i8042_dmi_nomux_table))
578 i8042_nomux = 1;
579#endif
580
Carlos Corbacho8987fec2008-01-21 01:04:40 -0500581#ifdef CONFIG_X86
582 if (dmi_check_system(i8042_dmi_dritek_table))
583 i8042_dritek = 1;
584#endif /* CONFIG_X86 */
585
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500586 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700587}
588
589static inline void i8042_platform_exit(void)
590{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700591 i8042_pnp_exit();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592}
593
594#endif /* _I8042_X86IA64IO_H */