microblaze: Enable ppoll syscall
[linux-2.6/mini2440.git] / drivers / input / serio / i8042-x86ia64io.h
blobae04d8a494e56e4e6e47f16922879177a6a13283
1 #ifndef _I8042_X86IA64IO_H
2 #define _I8042_X86IA64IO_H
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 */
11 * Names.
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"
19 * IRQs.
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
28 #define I8042_KBD_IRQ i8042_kbd_irq
29 #define I8042_AUX_IRQ i8042_aux_irq
31 static int i8042_kbd_irq;
32 static int i8042_aux_irq;
35 * Register numbers.
38 #define I8042_COMMAND_REG i8042_command_reg
39 #define I8042_STATUS_REG i8042_command_reg
40 #define I8042_DATA_REG i8042_data_reg
42 static int i8042_command_reg = 0x64;
43 static int i8042_data_reg = 0x60;
46 static inline int i8042_read_data(void)
48 return inb(I8042_DATA_REG);
51 static inline int i8042_read_status(void)
53 return inb(I8042_STATUS_REG);
56 static inline void i8042_write_data(int val)
58 outb(val, I8042_DATA_REG);
61 static inline void i8042_write_command(int val)
63 outb(val, I8042_COMMAND_REG);
66 #ifdef CONFIG_X86
68 #include <linux/dmi.h>
70 static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
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"),
81 .ident = "ASUS G1S",
82 .matches = {
83 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
84 DMI_MATCH(DMI_BOARD_NAME, "G1S"),
85 DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
89 /* AUX LOOP command does not raise AUX IRQ */
90 .ident = "ASUS P65UP5",
91 .matches = {
92 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
93 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
94 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
98 .ident = "Compaq Proliant 8500",
99 .matches = {
100 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
101 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
102 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
106 .ident = "Compaq Proliant DL760",
107 .matches = {
108 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
109 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
110 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
114 .ident = "OQO Model 01",
115 .matches = {
116 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
117 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
118 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
122 /* AUX LOOP does not work properly */
123 .ident = "ULI EV4873",
124 .matches = {
125 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
126 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
127 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
131 .ident = "Microsoft Virtual Machine",
132 .matches = {
133 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
134 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
135 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
139 .ident = "Medion MAM 2070",
140 .matches = {
141 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
142 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
143 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
147 .ident = "Blue FB5601",
148 .matches = {
149 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
150 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
151 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
155 .ident = "Gigabyte M912",
156 .matches = {
157 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
158 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
159 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
163 .ident = "HP DV9700",
164 .matches = {
165 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
166 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
167 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
174 * Some Fujitsu notebooks are having trouble with touchpads if
175 * active multiplexing mode is activated. Luckily they don't have
176 * external PS/2 ports so we can safely disable it.
177 * ... apparently some Toshibas don't like MUX mode either and
178 * die horrible death on reboot.
180 static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
182 .ident = "Fujitsu Lifebook P7010/P7010D",
183 .matches = {
184 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
185 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
189 .ident = "Fujitsu Lifebook P7010",
190 .matches = {
191 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
192 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
196 .ident = "Fujitsu Lifebook P5020D",
197 .matches = {
198 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
199 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
203 .ident = "Fujitsu Lifebook S2000",
204 .matches = {
205 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
206 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
210 .ident = "Fujitsu Lifebook S6230",
211 .matches = {
212 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
213 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
217 .ident = "Fujitsu T70H",
218 .matches = {
219 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
220 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
224 .ident = "Fujitsu-Siemens Lifebook T3010",
225 .matches = {
226 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
227 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
231 .ident = "Fujitsu-Siemens Lifebook E4010",
232 .matches = {
233 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
234 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
238 .ident = "Fujitsu-Siemens Amilo Pro 2010",
239 .matches = {
240 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
241 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
245 .ident = "Fujitsu-Siemens Amilo Pro 2030",
246 .matches = {
247 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
248 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
253 * No data is coming from the touchscreen unless KBC
254 * is in legacy mode.
256 .ident = "Panasonic CF-29",
257 .matches = {
258 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
259 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
264 * Errors on MUX ports are reported without raising AUXDATA
265 * causing "spurious NAK" messages.
267 .ident = "HP Pavilion DV4017EA",
268 .matches = {
269 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
275 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
277 .ident = "HP Pavilion ZT1000",
278 .matches = {
279 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
280 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
281 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
286 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
288 .ident = "HP Pavilion DV4270ca",
289 .matches = {
290 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
291 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
295 .ident = "Toshiba P10",
296 .matches = {
297 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
298 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
302 .ident = "Toshiba Equium A110",
303 .matches = {
304 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
305 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
309 .ident = "Alienware Sentia",
310 .matches = {
311 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
312 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
316 .ident = "Sharp Actius MM20",
317 .matches = {
318 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
319 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
323 .ident = "Sony Vaio FS-115b",
324 .matches = {
325 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
326 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
330 .ident = "Amoi M636/A737",
331 .matches = {
332 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
333 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
337 .ident = "Lenovo 3000 n100",
338 .matches = {
339 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
340 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
344 .ident = "Acer Aspire 1360",
345 .matches = {
346 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
347 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
351 .ident = "Gericom Bellagio",
352 .matches = {
353 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
354 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
358 .ident = "IBM 2656",
359 .matches = {
360 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
361 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
365 .ident = "Dell XPS M1530",
366 .matches = {
367 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
368 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
372 .ident = "Compal HEL80I",
373 .matches = {
374 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
375 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
379 .ident = "Dell Vostro 1510",
380 .matches = {
381 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
382 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
388 static struct dmi_system_id __initdata i8042_dmi_reset_table[] = {
390 .ident = "MSI Wind U-100",
391 .matches = {
392 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
393 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
397 .ident = "LG Electronics X110",
398 .matches = {
399 DMI_MATCH(DMI_BOARD_NAME, "X110"),
400 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
404 .ident = "Acer Aspire One 150",
405 .matches = {
406 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
407 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
411 .ident = "Advent 4211",
412 .matches = {
413 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
414 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
418 .ident = "Medion Akoya Mini E1210",
419 .matches = {
420 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
421 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
425 .ident = "Mivvy M310",
426 .matches = {
427 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
428 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
434 #ifdef CONFIG_PNP
435 static struct dmi_system_id __initdata i8042_dmi_nopnp_table[] = {
437 .ident = "Intel MBO Desktop D845PESV",
438 .matches = {
439 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
440 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
444 .ident = "MSI Wind U-100",
445 .matches = {
446 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
447 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
452 #endif
455 * Some Wistron based laptops need us to explicitly enable the 'Dritek
456 * keyboard extension' to make their extra keys start generating scancodes.
457 * Originally, this was just confined to older laptops, but a few Acer laptops
458 * have turned up in 2007 that also need this again.
460 static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
462 .ident = "Acer Aspire 5630",
463 .matches = {
464 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
465 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
469 .ident = "Acer Aspire 5650",
470 .matches = {
471 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
476 .ident = "Acer Aspire 5680",
477 .matches = {
478 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
479 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
483 .ident = "Acer Aspire 5720",
484 .matches = {
485 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
486 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
490 .ident = "Acer Aspire 9110",
491 .matches = {
492 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
493 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
497 .ident = "Acer TravelMate 660",
498 .matches = {
499 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
500 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
504 .ident = "Acer TravelMate 2490",
505 .matches = {
506 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
507 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
511 .ident = "Acer TravelMate 4280",
512 .matches = {
513 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
514 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
520 #endif /* CONFIG_X86 */
522 #ifdef CONFIG_PNP
523 #include <linux/pnp.h>
525 static int i8042_pnp_kbd_registered;
526 static unsigned int i8042_pnp_kbd_devices;
527 static int i8042_pnp_aux_registered;
528 static unsigned int i8042_pnp_aux_devices;
530 static int i8042_pnp_command_reg;
531 static int i8042_pnp_data_reg;
532 static int i8042_pnp_kbd_irq;
533 static int i8042_pnp_aux_irq;
535 static char i8042_pnp_kbd_name[32];
536 static char i8042_pnp_aux_name[32];
538 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
540 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
541 i8042_pnp_data_reg = pnp_port_start(dev,0);
543 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
544 i8042_pnp_command_reg = pnp_port_start(dev, 1);
546 if (pnp_irq_valid(dev,0))
547 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
549 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
550 if (strlen(pnp_dev_name(dev))) {
551 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
552 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
555 i8042_pnp_kbd_devices++;
556 return 0;
559 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
561 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
562 i8042_pnp_data_reg = pnp_port_start(dev,0);
564 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
565 i8042_pnp_command_reg = pnp_port_start(dev, 1);
567 if (pnp_irq_valid(dev, 0))
568 i8042_pnp_aux_irq = pnp_irq(dev, 0);
570 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
571 if (strlen(pnp_dev_name(dev))) {
572 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
573 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
576 i8042_pnp_aux_devices++;
577 return 0;
580 static struct pnp_device_id pnp_kbd_devids[] = {
581 { .id = "PNP0303", .driver_data = 0 },
582 { .id = "PNP030b", .driver_data = 0 },
583 { .id = "", },
586 static struct pnp_driver i8042_pnp_kbd_driver = {
587 .name = "i8042 kbd",
588 .id_table = pnp_kbd_devids,
589 .probe = i8042_pnp_kbd_probe,
592 static struct pnp_device_id pnp_aux_devids[] = {
593 { .id = "FJC6000", .driver_data = 0 },
594 { .id = "FJC6001", .driver_data = 0 },
595 { .id = "PNP0f03", .driver_data = 0 },
596 { .id = "PNP0f0b", .driver_data = 0 },
597 { .id = "PNP0f0e", .driver_data = 0 },
598 { .id = "PNP0f12", .driver_data = 0 },
599 { .id = "PNP0f13", .driver_data = 0 },
600 { .id = "PNP0f19", .driver_data = 0 },
601 { .id = "PNP0f1c", .driver_data = 0 },
602 { .id = "SYN0801", .driver_data = 0 },
603 { .id = "", },
606 static struct pnp_driver i8042_pnp_aux_driver = {
607 .name = "i8042 aux",
608 .id_table = pnp_aux_devids,
609 .probe = i8042_pnp_aux_probe,
612 static void i8042_pnp_exit(void)
614 if (i8042_pnp_kbd_registered) {
615 i8042_pnp_kbd_registered = 0;
616 pnp_unregister_driver(&i8042_pnp_kbd_driver);
619 if (i8042_pnp_aux_registered) {
620 i8042_pnp_aux_registered = 0;
621 pnp_unregister_driver(&i8042_pnp_aux_driver);
625 static int __init i8042_pnp_init(void)
627 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
628 int pnp_data_busted = 0;
629 int err;
631 #ifdef CONFIG_X86
632 if (dmi_check_system(i8042_dmi_nopnp_table))
633 i8042_nopnp = 1;
634 #endif
636 if (i8042_nopnp) {
637 printk(KERN_INFO "i8042: PNP detection disabled\n");
638 return 0;
641 err = pnp_register_driver(&i8042_pnp_kbd_driver);
642 if (!err)
643 i8042_pnp_kbd_registered = 1;
645 err = pnp_register_driver(&i8042_pnp_aux_driver);
646 if (!err)
647 i8042_pnp_aux_registered = 1;
649 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
650 i8042_pnp_exit();
651 #if defined(__ia64__)
652 return -ENODEV;
653 #else
654 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
655 return 0;
656 #endif
659 if (i8042_pnp_kbd_devices)
660 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
661 "%d", i8042_pnp_kbd_irq);
662 if (i8042_pnp_aux_devices)
663 snprintf(aux_irq_str, sizeof(aux_irq_str),
664 "%d", i8042_pnp_aux_irq);
666 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
667 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
668 i8042_pnp_aux_name,
669 i8042_pnp_data_reg, i8042_pnp_command_reg,
670 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
671 aux_irq_str);
673 #if defined(__ia64__)
674 if (!i8042_pnp_kbd_devices)
675 i8042_nokbd = 1;
676 if (!i8042_pnp_aux_devices)
677 i8042_noaux = 1;
678 #endif
680 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
681 i8042_pnp_data_reg != i8042_data_reg) ||
682 !i8042_pnp_data_reg) {
683 printk(KERN_WARNING
684 "PNP: PS/2 controller has invalid data port %#x; "
685 "using default %#x\n",
686 i8042_pnp_data_reg, i8042_data_reg);
687 i8042_pnp_data_reg = i8042_data_reg;
688 pnp_data_busted = 1;
691 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
692 i8042_pnp_command_reg != i8042_command_reg) ||
693 !i8042_pnp_command_reg) {
694 printk(KERN_WARNING
695 "PNP: PS/2 controller has invalid command port %#x; "
696 "using default %#x\n",
697 i8042_pnp_command_reg, i8042_command_reg);
698 i8042_pnp_command_reg = i8042_command_reg;
699 pnp_data_busted = 1;
702 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
703 printk(KERN_WARNING
704 "PNP: PS/2 controller doesn't have KBD irq; "
705 "using default %d\n", i8042_kbd_irq);
706 i8042_pnp_kbd_irq = i8042_kbd_irq;
707 pnp_data_busted = 1;
710 if (!i8042_noaux && !i8042_pnp_aux_irq) {
711 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
712 printk(KERN_WARNING
713 "PNP: PS/2 appears to have AUX port disabled, "
714 "if this is incorrect please boot with "
715 "i8042.nopnp\n");
716 i8042_noaux = 1;
717 } else {
718 printk(KERN_WARNING
719 "PNP: PS/2 controller doesn't have AUX irq; "
720 "using default %d\n", i8042_aux_irq);
721 i8042_pnp_aux_irq = i8042_aux_irq;
725 i8042_data_reg = i8042_pnp_data_reg;
726 i8042_command_reg = i8042_pnp_command_reg;
727 i8042_kbd_irq = i8042_pnp_kbd_irq;
728 i8042_aux_irq = i8042_pnp_aux_irq;
730 return 0;
733 #else
734 static inline int i8042_pnp_init(void) { return 0; }
735 static inline void i8042_pnp_exit(void) { }
736 #endif
738 static int __init i8042_platform_init(void)
740 int retval;
743 * On ix86 platforms touching the i8042 data register region can do really
744 * bad things. Because of this the region is always reserved on ix86 boxes.
746 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
747 * return -EBUSY;
750 i8042_kbd_irq = I8042_MAP_IRQ(1);
751 i8042_aux_irq = I8042_MAP_IRQ(12);
753 retval = i8042_pnp_init();
754 if (retval)
755 return retval;
757 #if defined(__ia64__)
758 i8042_reset = 1;
759 #endif
761 #ifdef CONFIG_X86
762 if (dmi_check_system(i8042_dmi_reset_table))
763 i8042_reset = 1;
765 if (dmi_check_system(i8042_dmi_noloop_table))
766 i8042_noloop = 1;
768 if (dmi_check_system(i8042_dmi_nomux_table))
769 i8042_nomux = 1;
771 if (dmi_check_system(i8042_dmi_dritek_table))
772 i8042_dritek = 1;
773 #endif /* CONFIG_X86 */
775 return retval;
778 static inline void i8042_platform_exit(void)
780 i8042_pnp_exit();
783 #endif /* _I8042_X86IA64IO_H */