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"),
173 /* Gigabyte Spring Peak - defines wrong chassis type */
175 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
176 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
181 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
182 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
183 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
190 * Some Fujitsu notebooks are having trouble with touchpads if
191 * active multiplexing mode is activated. Luckily they don't have
192 * external PS/2 ports so we can safely disable it.
193 * ... apparently some Toshibas don't like MUX mode either and
194 * die horrible death on reboot.
196 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
198 /* Fujitsu Lifebook P7010/P7010D */
200 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
201 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
205 /* Fujitsu Lifebook P7010 */
207 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
208 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
212 /* Fujitsu Lifebook P5020D */
214 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
215 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
219 /* Fujitsu Lifebook S2000 */
221 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
222 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
226 /* Fujitsu Lifebook S6230 */
228 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
229 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
235 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
236 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
240 /* Fujitsu-Siemens Lifebook T3010 */
242 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
243 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
247 /* Fujitsu-Siemens Lifebook E4010 */
249 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
250 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
254 /* Fujitsu-Siemens Amilo Pro 2010 */
256 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
257 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
261 /* Fujitsu-Siemens Amilo Pro 2030 */
263 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
264 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
269 * No data is coming from the touchscreen unless KBC
272 /* Panasonic CF-29 */
274 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
275 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
280 * HP Pavilion DV4017EA -
281 * errors on MUX ports are reported without raising AUXDATA
282 * causing "spurious NAK" messages.
285 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
286 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
291 * HP Pavilion ZT1000 -
292 * like DV4017EA does not raise AUXERR for errors on MUX ports.
295 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
296 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
297 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
302 * HP Pavilion DV4270ca -
303 * like DV4017EA does not raise AUXERR for errors on MUX ports.
306 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
307 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
312 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
313 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
318 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
319 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
324 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
325 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
329 /* Sharp Actius MM20 */
331 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
332 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
336 /* Sony Vaio FS-115b */
338 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
339 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
344 * Sony Vaio FZ-240E -
345 * reset and GET ID commands issued via KBD port are
346 * sometimes being delivered to AUX3.
349 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
350 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
355 * Most (all?) VAIOs do not have external PS/2 ports nor
356 * they implement active multiplexing properly, and
357 * MUX discovery usually messes up keyboard/touchpad.
360 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
361 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
367 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
368 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
372 /* Lenovo 3000 n100 */
374 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
375 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
380 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
381 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
385 /* Gericom Bellagio */
387 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
388 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
394 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
395 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
401 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
402 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
408 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
409 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
413 /* Dell Vostro 1510 */
415 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
416 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
420 /* Acer Aspire 5536 */
422 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
423 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
424 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
430 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
434 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
435 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
439 /* LG Electronics X110 */
441 DMI_MATCH(DMI_BOARD_NAME, "X110"),
442 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
446 /* Acer Aspire One 150 */
448 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
449 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
455 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
456 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
460 /* Medion Akoya Mini E1210 */
462 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
463 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
467 /* Medion Akoya E1222 */
469 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
470 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
476 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
477 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
481 /* Dell Vostro 1320 */
483 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
484 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
488 /* Dell Vostro 1520 */
490 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
491 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
495 /* Dell Vostro 1720 */
497 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
498 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
505 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
507 /* Intel MBO Desktop D845PESV */
509 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
510 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
516 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
517 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
523 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
526 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
531 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
536 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
541 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
549 * Some Wistron based laptops need us to explicitly enable the 'Dritek
550 * keyboard extension' to make their extra keys start generating scancodes.
551 * Originally, this was just confined to older laptops, but a few Acer laptops
552 * have turned up in 2007 that also need this again.
554 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
556 /* Acer Aspire 5610 */
558 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
559 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
563 /* Acer Aspire 5630 */
565 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
566 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
570 /* Acer Aspire 5650 */
572 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
573 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
577 /* Acer Aspire 5680 */
579 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
580 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
584 /* Acer Aspire 5720 */
586 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
587 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
591 /* Acer Aspire 9110 */
593 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
594 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
598 /* Acer TravelMate 660 */
600 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
601 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
605 /* Acer TravelMate 2490 */
607 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
608 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
612 /* Acer TravelMate 4280 */
614 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
615 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
621 #endif /* CONFIG_X86 */
624 #include <linux/pnp.h>
626 static bool i8042_pnp_kbd_registered;
627 static unsigned int i8042_pnp_kbd_devices;
628 static bool i8042_pnp_aux_registered;
629 static unsigned int i8042_pnp_aux_devices;
631 static int i8042_pnp_command_reg;
632 static int i8042_pnp_data_reg;
633 static int i8042_pnp_kbd_irq;
634 static int i8042_pnp_aux_irq;
636 static char i8042_pnp_kbd_name[32];
637 static char i8042_pnp_aux_name[32];
639 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
641 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
642 i8042_pnp_data_reg = pnp_port_start(dev,0);
644 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
645 i8042_pnp_command_reg = pnp_port_start(dev, 1);
647 if (pnp_irq_valid(dev,0))
648 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
650 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
651 if (strlen(pnp_dev_name(dev))) {
652 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
653 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
656 /* Keyboard ports are always supposed to be wakeup-enabled */
657 device_set_wakeup_enable(&dev->dev, true);
659 i8042_pnp_kbd_devices++;
663 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
665 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
666 i8042_pnp_data_reg = pnp_port_start(dev,0);
668 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
669 i8042_pnp_command_reg = pnp_port_start(dev, 1);
671 if (pnp_irq_valid(dev, 0))
672 i8042_pnp_aux_irq = pnp_irq(dev, 0);
674 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
675 if (strlen(pnp_dev_name(dev))) {
676 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
677 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
680 i8042_pnp_aux_devices++;
684 static struct pnp_device_id pnp_kbd_devids[] = {
685 { .id = "PNP0300", .driver_data = 0 },
686 { .id = "PNP0301", .driver_data = 0 },
687 { .id = "PNP0302", .driver_data = 0 },
688 { .id = "PNP0303", .driver_data = 0 },
689 { .id = "PNP0304", .driver_data = 0 },
690 { .id = "PNP0305", .driver_data = 0 },
691 { .id = "PNP0306", .driver_data = 0 },
692 { .id = "PNP0309", .driver_data = 0 },
693 { .id = "PNP030a", .driver_data = 0 },
694 { .id = "PNP030b", .driver_data = 0 },
695 { .id = "PNP0320", .driver_data = 0 },
696 { .id = "PNP0343", .driver_data = 0 },
697 { .id = "PNP0344", .driver_data = 0 },
698 { .id = "PNP0345", .driver_data = 0 },
699 { .id = "CPQA0D7", .driver_data = 0 },
703 static struct pnp_driver i8042_pnp_kbd_driver = {
705 .id_table = pnp_kbd_devids,
706 .probe = i8042_pnp_kbd_probe,
709 static struct pnp_device_id pnp_aux_devids[] = {
710 { .id = "AUI0200", .driver_data = 0 },
711 { .id = "FJC6000", .driver_data = 0 },
712 { .id = "FJC6001", .driver_data = 0 },
713 { .id = "PNP0f03", .driver_data = 0 },
714 { .id = "PNP0f0b", .driver_data = 0 },
715 { .id = "PNP0f0e", .driver_data = 0 },
716 { .id = "PNP0f12", .driver_data = 0 },
717 { .id = "PNP0f13", .driver_data = 0 },
718 { .id = "PNP0f19", .driver_data = 0 },
719 { .id = "PNP0f1c", .driver_data = 0 },
720 { .id = "SYN0801", .driver_data = 0 },
724 static struct pnp_driver i8042_pnp_aux_driver = {
726 .id_table = pnp_aux_devids,
727 .probe = i8042_pnp_aux_probe,
730 static void i8042_pnp_exit(void)
732 if (i8042_pnp_kbd_registered) {
733 i8042_pnp_kbd_registered = false;
734 pnp_unregister_driver(&i8042_pnp_kbd_driver);
737 if (i8042_pnp_aux_registered) {
738 i8042_pnp_aux_registered = false;
739 pnp_unregister_driver(&i8042_pnp_aux_driver);
743 static int __init i8042_pnp_init(void)
745 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
746 bool pnp_data_busted = false;
750 if (dmi_check_system(i8042_dmi_nopnp_table))
755 printk(KERN_INFO "i8042: PNP detection disabled\n");
759 err = pnp_register_driver(&i8042_pnp_kbd_driver);
761 i8042_pnp_kbd_registered = true;
763 err = pnp_register_driver(&i8042_pnp_aux_driver);
765 i8042_pnp_aux_registered = true;
767 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
769 #if defined(__ia64__)
772 printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
777 if (i8042_pnp_kbd_devices)
778 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
779 "%d", i8042_pnp_kbd_irq);
780 if (i8042_pnp_aux_devices)
781 snprintf(aux_irq_str, sizeof(aux_irq_str),
782 "%d", i8042_pnp_aux_irq);
784 printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
785 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
787 i8042_pnp_data_reg, i8042_pnp_command_reg,
788 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
791 #if defined(__ia64__)
792 if (!i8042_pnp_kbd_devices)
794 if (!i8042_pnp_aux_devices)
798 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
799 i8042_pnp_data_reg != i8042_data_reg) ||
800 !i8042_pnp_data_reg) {
802 "PNP: PS/2 controller has invalid data port %#x; "
803 "using default %#x\n",
804 i8042_pnp_data_reg, i8042_data_reg);
805 i8042_pnp_data_reg = i8042_data_reg;
806 pnp_data_busted = true;
809 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
810 i8042_pnp_command_reg != i8042_command_reg) ||
811 !i8042_pnp_command_reg) {
813 "PNP: PS/2 controller has invalid command port %#x; "
814 "using default %#x\n",
815 i8042_pnp_command_reg, i8042_command_reg);
816 i8042_pnp_command_reg = i8042_command_reg;
817 pnp_data_busted = true;
820 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
822 "PNP: PS/2 controller doesn't have KBD irq; "
823 "using default %d\n", i8042_kbd_irq);
824 i8042_pnp_kbd_irq = i8042_kbd_irq;
825 pnp_data_busted = true;
828 if (!i8042_noaux && !i8042_pnp_aux_irq) {
829 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
831 "PNP: PS/2 appears to have AUX port disabled, "
832 "if this is incorrect please boot with "
837 "PNP: PS/2 controller doesn't have AUX irq; "
838 "using default %d\n", i8042_aux_irq);
839 i8042_pnp_aux_irq = i8042_aux_irq;
843 i8042_data_reg = i8042_pnp_data_reg;
844 i8042_command_reg = i8042_pnp_command_reg;
845 i8042_kbd_irq = i8042_pnp_kbd_irq;
846 i8042_aux_irq = i8042_pnp_aux_irq;
849 i8042_bypass_aux_irq_test = !pnp_data_busted &&
850 dmi_check_system(i8042_dmi_laptop_table);
857 static inline int i8042_pnp_init(void) { return 0; }
858 static inline void i8042_pnp_exit(void) { }
861 static int __init i8042_platform_init(void)
866 /* Just return if pre-detection shows no i8042 controller exist */
867 if (!x86_platform.i8042_detect())
872 * On ix86 platforms touching the i8042 data register region can do really
873 * bad things. Because of this the region is always reserved on ix86 boxes.
875 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
879 i8042_kbd_irq = I8042_MAP_IRQ(1);
880 i8042_aux_irq = I8042_MAP_IRQ(12);
882 retval = i8042_pnp_init();
886 #if defined(__ia64__)
891 if (dmi_check_system(i8042_dmi_reset_table))
894 if (dmi_check_system(i8042_dmi_noloop_table))
897 if (dmi_check_system(i8042_dmi_nomux_table))
900 if (dmi_check_system(i8042_dmi_dritek_table))
902 #endif /* CONFIG_X86 */
907 static inline void i8042_platform_exit(void)
912 #endif /* _I8042_X86IA64IO_H */