1 #ifndef _I8042_X86IA64IO_H
2 #define _I8042_X86IA64IO_H
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.
11 #include <asm/x86_init.h>
18 #define I8042_KBD_PHYS_DESC "isa0060/serio0"
19 #define I8042_AUX_PHYS_DESC "isa0060/serio1"
20 #define I8042_MUX_PHYS_DESC "isa0060/serio%d"
27 # define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
29 # define I8042_MAP_IRQ(x) (x)
32 #define I8042_KBD_IRQ i8042_kbd_irq
33 #define I8042_AUX_IRQ i8042_aux_irq
35 static int i8042_kbd_irq;
36 static int i8042_aux_irq;
42 #define I8042_COMMAND_REG i8042_command_reg
43 #define I8042_STATUS_REG i8042_command_reg
44 #define I8042_DATA_REG i8042_data_reg
46 static int i8042_command_reg = 0x64;
47 static int i8042_data_reg = 0x60;
50 static inline int i8042_read_data(void)
52 return inb(I8042_DATA_REG);
55 static inline int i8042_read_status(void)
57 return inb(I8042_STATUS_REG);
60 static inline void i8042_write_data(int val)
62 outb(val, I8042_DATA_REG);
65 static inline void i8042_write_command(int val)
67 outb(val, I8042_COMMAND_REG);
72 #include <linux/dmi.h>
74 static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
77 * Arima-Rioworks HDAMB -
78 * AUX LOOP command does not raise AUX IRQ
81 DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
82 DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
83 DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
89 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
90 DMI_MATCH(DMI_BOARD_NAME, "G1S"),
91 DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
95 /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
97 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
98 DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
99 DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
104 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
105 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
106 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
111 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
112 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
113 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
119 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
120 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
121 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
125 /* ULI EV4873 - AUX LOOP does not work properly */
127 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
128 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
129 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
133 /* Microsoft Virtual Machine */
135 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
136 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
137 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
141 /* Medion MAM 2070 */
143 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
144 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
145 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
151 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
152 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
153 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
159 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
160 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
161 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
165 /* Gigabyte M1022M netbook */
167 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
168 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
169 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
174 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
175 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
176 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
183 * Some Fujitsu notebooks are having trouble with touchpads if
184 * active multiplexing mode is activated. Luckily they don't have
185 * external PS/2 ports so we can safely disable it.
186 * ... apparently some Toshibas don't like MUX mode either and
187 * die horrible death on reboot.
189 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
191 /* Fujitsu Lifebook P7010/P7010D */
193 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
194 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
198 /* Fujitsu Lifebook P7010 */
200 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
201 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
205 /* Fujitsu Lifebook P5020D */
207 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
208 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
212 /* Fujitsu Lifebook S2000 */
214 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
215 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
219 /* Fujitsu Lifebook S6230 */
221 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
222 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
228 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
229 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
233 /* Fujitsu-Siemens Lifebook T3010 */
235 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
236 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
240 /* Fujitsu-Siemens Lifebook E4010 */
242 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
243 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
247 /* Fujitsu-Siemens Amilo Pro 2010 */
249 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
250 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
254 /* Fujitsu-Siemens Amilo Pro 2030 */
256 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
257 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
262 * No data is coming from the touchscreen unless KBC
265 /* Panasonic CF-29 */
267 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
268 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
273 * HP Pavilion DV4017EA -
274 * errors on MUX ports are reported without raising AUXDATA
275 * causing "spurious NAK" messages.
278 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
279 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
284 * HP Pavilion ZT1000 -
285 * like DV4017EA does not raise AUXERR for errors on MUX ports.
288 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
289 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
290 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
295 * HP Pavilion DV4270ca -
296 * like DV4017EA does not raise AUXERR for errors on MUX ports.
299 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
300 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
305 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
306 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
311 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
312 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
317 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
318 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
322 /* Sharp Actius MM20 */
324 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
325 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
329 /* Sony Vaio FS-115b */
331 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
332 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
337 * Sony Vaio FZ-240E -
338 * reset and GET ID commands issued via KBD port are
339 * sometimes being delivered to AUX3.
342 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
343 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
349 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
350 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
354 /* Lenovo 3000 n100 */
356 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
357 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
362 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
363 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
367 /* Gericom Bellagio */
369 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
370 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
376 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
377 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
383 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
384 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
390 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
391 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
395 /* Dell Vostro 1510 */
397 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
398 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
402 /* Acer Aspire 5536 */
404 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
405 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
406 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
412 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
416 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
417 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
421 /* LG Electronics X110 */
423 DMI_MATCH(DMI_BOARD_NAME, "X110"),
424 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
428 /* Acer Aspire One 150 */
430 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
431 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
437 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
438 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
442 /* Medion Akoya Mini E1210 */
444 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
449 /* Medion Akoya E1222 */
451 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
452 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
458 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
459 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
463 /* Dell Vostro 1320 */
465 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
466 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
470 /* Dell Vostro 1520 */
472 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
473 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
477 /* Dell Vostro 1720 */
479 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
480 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
487 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
489 /* Intel MBO Desktop D845PESV */
491 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
492 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
498 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
499 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
505 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
508 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
513 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
518 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
523 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
531 * Some Wistron based laptops need us to explicitly enable the 'Dritek
532 * keyboard extension' to make their extra keys start generating scancodes.
533 * Originally, this was just confined to older laptops, but a few Acer laptops
534 * have turned up in 2007 that also need this again.
536 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
538 /* Acer Aspire 5610 */
540 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
541 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
545 /* Acer Aspire 5630 */
547 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
548 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
552 /* Acer Aspire 5650 */
554 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
555 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
559 /* Acer Aspire 5680 */
561 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
562 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
566 /* Acer Aspire 5720 */
568 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
569 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
573 /* Acer Aspire 9110 */
575 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
576 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
580 /* Acer TravelMate 660 */
582 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
583 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
587 /* Acer TravelMate 2490 */
589 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
590 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
594 /* Acer TravelMate 4280 */
596 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
597 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
603 #endif /* CONFIG_X86 */
606 #include <linux/pnp.h>
608 static bool i8042_pnp_kbd_registered;
609 static unsigned int i8042_pnp_kbd_devices;
610 static bool i8042_pnp_aux_registered;
611 static unsigned int i8042_pnp_aux_devices;
613 static int i8042_pnp_command_reg;
614 static int i8042_pnp_data_reg;
615 static int i8042_pnp_kbd_irq;
616 static int i8042_pnp_aux_irq;
618 static char i8042_pnp_kbd_name[32];
619 static char i8042_pnp_aux_name[32];
621 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
623 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
624 i8042_pnp_data_reg = pnp_port_start(dev,0);
626 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
627 i8042_pnp_command_reg = pnp_port_start(dev, 1);
629 if (pnp_irq_valid(dev,0))
630 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
632 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
633 if (strlen(pnp_dev_name(dev))) {
634 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
635 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
638 /* Keyboard ports are always supposed to be wakeup-enabled */
639 device_set_wakeup_enable(&dev->dev, true);
641 i8042_pnp_kbd_devices++;
645 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
647 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
648 i8042_pnp_data_reg = pnp_port_start(dev,0);
650 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
651 i8042_pnp_command_reg = pnp_port_start(dev, 1);
653 if (pnp_irq_valid(dev, 0))
654 i8042_pnp_aux_irq = pnp_irq(dev, 0);
656 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
657 if (strlen(pnp_dev_name(dev))) {
658 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
659 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
662 i8042_pnp_aux_devices++;
666 static struct pnp_device_id pnp_kbd_devids[] = {
667 { .id = "PNP0300", .driver_data = 0 },
668 { .id = "PNP0301", .driver_data = 0 },
669 { .id = "PNP0302", .driver_data = 0 },
670 { .id = "PNP0303", .driver_data = 0 },
671 { .id = "PNP0304", .driver_data = 0 },
672 { .id = "PNP0305", .driver_data = 0 },
673 { .id = "PNP0306", .driver_data = 0 },
674 { .id = "PNP0309", .driver_data = 0 },
675 { .id = "PNP030a", .driver_data = 0 },
676 { .id = "PNP030b", .driver_data = 0 },
677 { .id = "PNP0320", .driver_data = 0 },
678 { .id = "PNP0343", .driver_data = 0 },
679 { .id = "PNP0344", .driver_data = 0 },
680 { .id = "PNP0345", .driver_data = 0 },
681 { .id = "CPQA0D7", .driver_data = 0 },
685 static struct pnp_driver i8042_pnp_kbd_driver = {
687 .id_table = pnp_kbd_devids,
688 .probe = i8042_pnp_kbd_probe,
691 static struct pnp_device_id pnp_aux_devids[] = {
692 { .id = "AUI0200", .driver_data = 0 },
693 { .id = "FJC6000", .driver_data = 0 },
694 { .id = "FJC6001", .driver_data = 0 },
695 { .id = "PNP0f03", .driver_data = 0 },
696 { .id = "PNP0f0b", .driver_data = 0 },
697 { .id = "PNP0f0e", .driver_data = 0 },
698 { .id = "PNP0f12", .driver_data = 0 },
699 { .id = "PNP0f13", .driver_data = 0 },
700 { .id = "PNP0f19", .driver_data = 0 },
701 { .id = "PNP0f1c", .driver_data = 0 },
702 { .id = "SYN0801", .driver_data = 0 },
706 static struct pnp_driver i8042_pnp_aux_driver = {
708 .id_table = pnp_aux_devids,
709 .probe = i8042_pnp_aux_probe,
712 static void i8042_pnp_exit(void)
714 if (i8042_pnp_kbd_registered) {
715 i8042_pnp_kbd_registered = false;
716 pnp_unregister_driver(&i8042_pnp_kbd_driver);
719 if (i8042_pnp_aux_registered) {
720 i8042_pnp_aux_registered = false;
721 pnp_unregister_driver(&i8042_pnp_aux_driver);
725 static int __init i8042_pnp_init(void)
727 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
728 bool pnp_data_busted = false;
732 if (dmi_check_system(i8042_dmi_nopnp_table))
737 printk(KERN_INFO "i8042: PNP detection disabled\n");
741 err = pnp_register_driver(&i8042_pnp_kbd_driver);
743 i8042_pnp_kbd_registered = true;
745 err = pnp_register_driver(&i8042_pnp_aux_driver);
747 i8042_pnp_aux_registered = true;
749 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
751 #if defined(__ia64__)
754 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
759 if (i8042_pnp_kbd_devices)
760 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
761 "%d", i8042_pnp_kbd_irq);
762 if (i8042_pnp_aux_devices)
763 snprintf(aux_irq_str, sizeof(aux_irq_str),
764 "%d", i8042_pnp_aux_irq);
766 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
767 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
769 i8042_pnp_data_reg, i8042_pnp_command_reg,
770 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
773 #if defined(__ia64__)
774 if (!i8042_pnp_kbd_devices)
776 if (!i8042_pnp_aux_devices)
780 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
781 i8042_pnp_data_reg != i8042_data_reg) ||
782 !i8042_pnp_data_reg) {
784 "PNP: PS/2 controller has invalid data port %#x; "
785 "using default %#x\n",
786 i8042_pnp_data_reg, i8042_data_reg);
787 i8042_pnp_data_reg = i8042_data_reg;
788 pnp_data_busted = true;
791 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
792 i8042_pnp_command_reg != i8042_command_reg) ||
793 !i8042_pnp_command_reg) {
795 "PNP: PS/2 controller has invalid command port %#x; "
796 "using default %#x\n",
797 i8042_pnp_command_reg, i8042_command_reg);
798 i8042_pnp_command_reg = i8042_command_reg;
799 pnp_data_busted = true;
802 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
804 "PNP: PS/2 controller doesn't have KBD irq; "
805 "using default %d\n", i8042_kbd_irq);
806 i8042_pnp_kbd_irq = i8042_kbd_irq;
807 pnp_data_busted = true;
810 if (!i8042_noaux && !i8042_pnp_aux_irq) {
811 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
813 "PNP: PS/2 appears to have AUX port disabled, "
814 "if this is incorrect please boot with "
819 "PNP: PS/2 controller doesn't have AUX irq; "
820 "using default %d\n", i8042_aux_irq);
821 i8042_pnp_aux_irq = i8042_aux_irq;
825 i8042_data_reg = i8042_pnp_data_reg;
826 i8042_command_reg = i8042_pnp_command_reg;
827 i8042_kbd_irq = i8042_pnp_kbd_irq;
828 i8042_aux_irq = i8042_pnp_aux_irq;
831 i8042_bypass_aux_irq_test = !pnp_data_busted &&
832 dmi_check_system(i8042_dmi_laptop_table);
839 static inline int i8042_pnp_init(void) { return 0; }
840 static inline void i8042_pnp_exit(void) { }
843 static int __init i8042_platform_init(void)
848 /* Just return if pre-detection shows no i8042 controller exist */
849 if (!x86_platform.i8042_detect())
854 * On ix86 platforms touching the i8042 data register region can do really
855 * bad things. Because of this the region is always reserved on ix86 boxes.
857 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
861 i8042_kbd_irq = I8042_MAP_IRQ(1);
862 i8042_aux_irq = I8042_MAP_IRQ(12);
864 retval = i8042_pnp_init();
868 #if defined(__ia64__)
873 if (dmi_check_system(i8042_dmi_reset_table))
876 if (dmi_check_system(i8042_dmi_noloop_table))
879 if (dmi_check_system(i8042_dmi_nomux_table))
882 if (dmi_check_system(i8042_dmi_dritek_table))
884 #endif /* CONFIG_X86 */
889 static inline void i8042_platform_exit(void)
894 #endif /* _I8042_X86IA64IO_H */