blob: 0ceb84dc90fc47c2a074f6efbbea7a3beaa04306 [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
66#if defined(__i386__)
67
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 Torokhovbb06ec32006-12-08 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 {
Dmitry Torokhov6e782582007-03-16 00:59:42 -0400189 /*
Dmitry Torokhovcc8310e2007-04-25 00:40:32 -0400190 * No data is coming from the touchscreen unless KBC
191 * is in legacy mode.
192 */
193 .ident = "Panasonic CF-29",
194 .matches = {
195 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
196 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
197 },
198 },
199 {
200 /*
Dmitry Torokhov6e782582007-03-16 00:59:42 -0400201 * Errors on MUX ports are reported without raising AUXDATA
202 * causing "spurious NAK" messages.
203 */
204 .ident = "HP Pavilion DV4017EA",
205 .matches = {
206 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
207 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
208 },
209 },
210 {
Dmitry Torokhov9d9d50b2007-06-28 00:44:27 -0400211 /*
212 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
213 */
214 .ident = "HP Pavilion ZT1000",
215 .matches = {
216 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
217 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
218 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
219 },
220 },
221 {
Elvis Pranskevichus749aea72007-09-04 23:18:21 -0400222 /*
223 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
224 */
225 .ident = "HP Pavilion DV4270ca",
226 .matches = {
227 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
228 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
229 },
230 },
231 {
Dmitry Torokhov59311de2005-05-28 02:12:05 -0500232 .ident = "Toshiba P10",
233 .matches = {
234 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
235 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
236 },
237 },
Dmitry Torokhov865190c2005-07-11 01:06:06 -0500238 {
Dmitry Torokhova91eaa12006-09-14 01:31:06 -0400239 .ident = "Toshiba Equium A110",
240 .matches = {
241 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
243 },
244 },
245 {
Dmitry Torokhov865190c2005-07-11 01:06:06 -0500246 .ident = "Alienware Sentia",
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
250 },
251 },
Dmitry Torokhov4eb38ac2005-12-21 00:51:51 -0500252 {
253 .ident = "Sharp Actius MM20",
254 .matches = {
255 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
257 },
258 },
Vojtech Pavlik3dd01a82006-01-14 00:24:06 -0500259 {
260 .ident = "Sony Vaio FS-115b",
261 .matches = {
262 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
264 },
265 },
Cjacker Huange2df4522006-08-08 23:38:22 -0400266 {
267 .ident = "Amoi M636/A737",
268 .matches = {
269 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
270 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
271 },
272 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273 { }
274};
275
276
277
278#endif
279
Carlos Corbacho8987fec2008-01-21 01:04:40 -0500280#ifdef CONFIG_X86
281
282#include <linux/dmi.h>
283
284/*
285 * Some Wistron based laptops need us to explicitly enable the 'Dritek
286 * keyboard extension' to make their extra keys start generating scancodes.
287 * Originally, this was just confined to older laptops, but a few Acer laptops
288 * have turned up in 2007 that also need this again.
289 */
290static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
291 {
292 .ident = "Acer Aspire 5630",
293 .matches = {
294 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
295 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
296 },
297 },
298 {
299 .ident = "Acer Aspire 5650",
300 .matches = {
301 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
302 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
303 },
304 },
305 {
306 .ident = "Acer Aspire 5680",
307 .matches = {
308 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
309 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
310 },
311 },
312 {
Carlos Corbacho5799ddb2008-01-30 16:34:12 -0500313 .ident = "Acer Aspire 9110",
314 .matches = {
315 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
316 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
317 },
318 },
319 {
Carlos Corbacho8987fec2008-01-21 01:04:40 -0500320 .ident = "Acer TravelMate 2490",
321 .matches = {
322 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
323 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
324 },
325 },
326 { }
327};
328
329#endif /* CONFIG_X86 */
330
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331
332#ifdef CONFIG_PNP
333#include <linux/pnp.h>
334
335static int i8042_pnp_kbd_registered;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500336static unsigned int i8042_pnp_kbd_devices;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337static int i8042_pnp_aux_registered;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500338static unsigned int i8042_pnp_aux_devices;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339
340static int i8042_pnp_command_reg;
341static int i8042_pnp_data_reg;
342static int i8042_pnp_kbd_irq;
343static int i8042_pnp_aux_irq;
344
345static char i8042_pnp_kbd_name[32];
346static char i8042_pnp_aux_name[32];
347
348static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
349{
350 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
351 i8042_pnp_data_reg = pnp_port_start(dev,0);
352
353 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
354 i8042_pnp_command_reg = pnp_port_start(dev, 1);
355
356 if (pnp_irq_valid(dev,0))
357 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
358
359 strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
360 if (strlen(pnp_dev_name(dev))) {
361 strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
362 strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
363 }
364
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500365 i8042_pnp_kbd_devices++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366 return 0;
367}
368
369static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
370{
371 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
372 i8042_pnp_data_reg = pnp_port_start(dev,0);
373
374 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
375 i8042_pnp_command_reg = pnp_port_start(dev, 1);
376
377 if (pnp_irq_valid(dev, 0))
378 i8042_pnp_aux_irq = pnp_irq(dev, 0);
379
380 strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
381 if (strlen(pnp_dev_name(dev))) {
382 strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
383 strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
384 }
385
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500386 i8042_pnp_aux_devices++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 return 0;
388}
389
390static struct pnp_device_id pnp_kbd_devids[] = {
391 { .id = "PNP0303", .driver_data = 0 },
392 { .id = "PNP030b", .driver_data = 0 },
393 { .id = "", },
394};
395
396static struct pnp_driver i8042_pnp_kbd_driver = {
397 .name = "i8042 kbd",
398 .id_table = pnp_kbd_devids,
399 .probe = i8042_pnp_kbd_probe,
400};
401
402static struct pnp_device_id pnp_aux_devids[] = {
Dmitry Torokhovb9973952007-04-25 00:40:53 -0400403 { .id = "FJC6000", .driver_data = 0 },
404 { .id = "FJC6001", .driver_data = 0 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405 { .id = "PNP0f03", .driver_data = 0 },
406 { .id = "PNP0f0b", .driver_data = 0 },
407 { .id = "PNP0f0e", .driver_data = 0 },
408 { .id = "PNP0f12", .driver_data = 0 },
409 { .id = "PNP0f13", .driver_data = 0 },
410 { .id = "PNP0f19", .driver_data = 0 },
411 { .id = "PNP0f1c", .driver_data = 0 },
412 { .id = "SYN0801", .driver_data = 0 },
413 { .id = "", },
414};
415
416static struct pnp_driver i8042_pnp_aux_driver = {
417 .name = "i8042 aux",
418 .id_table = pnp_aux_devids,
419 .probe = i8042_pnp_aux_probe,
420};
421
422static void i8042_pnp_exit(void)
423{
Kurt Garloff74af42b2005-05-28 02:11:38 -0500424 if (i8042_pnp_kbd_registered) {
425 i8042_pnp_kbd_registered = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426 pnp_unregister_driver(&i8042_pnp_kbd_driver);
Kurt Garloff74af42b2005-05-28 02:11:38 -0500427 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428
Kurt Garloff74af42b2005-05-28 02:11:38 -0500429 if (i8042_pnp_aux_registered) {
430 i8042_pnp_aux_registered = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431 pnp_unregister_driver(&i8042_pnp_aux_driver);
Kurt Garloff74af42b2005-05-28 02:11:38 -0500432 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433}
434
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500435static int __init i8042_pnp_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700436{
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500437 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400438 int pnp_data_busted = 0;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500439 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440
441 if (i8042_nopnp) {
Vojtech Pavlik39fa5802005-05-28 02:11:16 -0500442 printk(KERN_INFO "i8042: PNP detection disabled\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443 return 0;
444 }
445
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500446 err = pnp_register_driver(&i8042_pnp_kbd_driver);
447 if (!err)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448 i8042_pnp_kbd_registered = 1;
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500449
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500450 err = pnp_register_driver(&i8042_pnp_aux_driver);
451 if (!err)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452 i8042_pnp_aux_registered = 1;
453
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500454 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455 i8042_pnp_exit();
456#if defined(__ia64__)
457 return -ENODEV;
458#else
Dmitry Torokhov5a72afc2005-05-28 02:11:32 -0500459 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460 return 0;
461#endif
462 }
463
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500464 if (i8042_pnp_kbd_devices)
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500465 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
466 "%d", i8042_pnp_kbd_irq);
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500467 if (i8042_pnp_aux_devices)
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500468 snprintf(aux_irq_str, sizeof(aux_irq_str),
469 "%d", i8042_pnp_aux_irq);
470
471 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 -0500472 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500473 i8042_pnp_aux_name,
474 i8042_pnp_data_reg, i8042_pnp_command_reg,
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500475 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500476 aux_irq_str);
477
478#if defined(__ia64__)
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500479 if (!i8042_pnp_kbd_devices)
Dmitry Torokhov945ef0d2005-09-04 01:42:00 -0500480 i8042_nokbd = 1;
Bjorn Helgaas2bfc3c62006-03-14 00:12:24 -0500481 if (!i8042_pnp_aux_devices)
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500482 i8042_noaux = 1;
483#endif
484
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400486 i8042_pnp_data_reg != i8042_data_reg) ||
487 !i8042_pnp_data_reg) {
488 printk(KERN_WARNING
489 "PNP: PS/2 controller has invalid data port %#x; "
490 "using default %#x\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700491 i8042_pnp_data_reg, i8042_data_reg);
492 i8042_pnp_data_reg = i8042_data_reg;
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400493 pnp_data_busted = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494 }
495
496 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400497 i8042_pnp_command_reg != i8042_command_reg) ||
498 !i8042_pnp_command_reg) {
499 printk(KERN_WARNING
500 "PNP: PS/2 controller has invalid command port %#x; "
501 "using default %#x\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502 i8042_pnp_command_reg, i8042_command_reg);
503 i8042_pnp_command_reg = i8042_command_reg;
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400504 pnp_data_busted = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700505 }
506
Dmitry Torokhov945ef0d2005-09-04 01:42:00 -0500507 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400508 printk(KERN_WARNING
509 "PNP: PS/2 controller doesn't have KBD irq; "
510 "using default %d\n", i8042_kbd_irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 i8042_pnp_kbd_irq = i8042_kbd_irq;
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400512 pnp_data_busted = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513 }
514
Dmitry Torokhovc3d31e72005-09-04 01:41:51 -0500515 if (!i8042_noaux && !i8042_pnp_aux_irq) {
Dmitry Torokhov080c6522007-07-18 00:38:01 -0400516 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
517 printk(KERN_WARNING
518 "PNP: PS/2 appears to have AUX port disabled, "
519 "if this is incorrect please boot with "
520 "i8042.nopnp\n");
521 i8042_noaux = 1;
522 } else {
523 printk(KERN_WARNING
524 "PNP: PS/2 controller doesn't have AUX irq; "
525 "using default %d\n", i8042_aux_irq);
526 i8042_pnp_aux_irq = i8042_aux_irq;
527 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528 }
529
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530 i8042_data_reg = i8042_pnp_data_reg;
531 i8042_command_reg = i8042_pnp_command_reg;
532 i8042_kbd_irq = i8042_pnp_kbd_irq;
533 i8042_aux_irq = i8042_pnp_aux_irq;
534
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535 return 0;
536}
537
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500538#else
539static inline int i8042_pnp_init(void) { return 0; }
540static inline void i8042_pnp_exit(void) { }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541#endif
542
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500543static int __init i8042_platform_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544{
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500545 int retval;
546
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547/*
548 * On ix86 platforms touching the i8042 data register region can do really
549 * bad things. Because of this the region is always reserved on ix86 boxes.
550 *
551 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500552 * return -EBUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700553 */
554
555 i8042_kbd_irq = I8042_MAP_IRQ(1);
556 i8042_aux_irq = I8042_MAP_IRQ(12);
557
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500558 retval = i8042_pnp_init();
559 if (retval)
560 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561
562#if defined(__ia64__)
563 i8042_reset = 1;
564#endif
565
566#if defined(__i386__)
567 if (dmi_check_system(i8042_dmi_noloop_table))
568 i8042_noloop = 1;
569
570 if (dmi_check_system(i8042_dmi_nomux_table))
571 i8042_nomux = 1;
572#endif
573
Carlos Corbacho8987fec2008-01-21 01:04:40 -0500574#ifdef CONFIG_X86
575 if (dmi_check_system(i8042_dmi_dritek_table))
576 i8042_dritek = 1;
577#endif /* CONFIG_X86 */
578
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -0500579 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580}
581
582static inline void i8042_platform_exit(void)
583{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584 i8042_pnp_exit();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585}
586
587#endif /* _I8042_X86IA64IO_H */