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 /* Acer Aspire 5710 */
387 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
388 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
392 /* Gericom Bellagio */
394 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
395 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
401 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
402 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
408 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
409 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
415 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
416 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
420 /* Dell Vostro 1510 */
422 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
423 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
427 /* Acer Aspire 5536 */
429 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
430 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
431 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
435 /* Dell Vostro V13 */
437 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
438 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
442 /* Newer HP Pavilion dv4 models */
444 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
445 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
451 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
455 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
456 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
460 /* LG Electronics X110 */
462 DMI_MATCH(DMI_BOARD_NAME, "X110"),
463 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
467 /* Acer Aspire One 150 */
469 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
470 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
476 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
477 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
481 /* Medion Akoya Mini E1210 */
483 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
484 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
488 /* Medion Akoya E1222 */
490 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
491 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
497 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
498 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
502 /* Dell Vostro 1320 */
504 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
505 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
509 /* Dell Vostro 1520 */
511 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
512 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
516 /* Dell Vostro 1720 */
518 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
519 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
523 /* Lenovo Ideapad U455 */
525 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
526 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
533 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
535 /* Intel MBO Desktop D845PESV */
537 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
538 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
544 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
545 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
551 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
554 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
559 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
564 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
569 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
576 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
578 /* Dell Vostro V13 */
580 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
581 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
585 /* Newer HP Pavilion dv4 models */
587 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
588 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
595 * Some Wistron based laptops need us to explicitly enable the 'Dritek
596 * keyboard extension' to make their extra keys start generating scancodes.
597 * Originally, this was just confined to older laptops, but a few Acer laptops
598 * have turned up in 2007 that also need this again.
600 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
602 /* Acer Aspire 5100 */
604 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
605 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
609 /* Acer Aspire 5610 */
611 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
612 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
616 /* Acer Aspire 5630 */
618 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
619 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
623 /* Acer Aspire 5650 */
625 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
626 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
630 /* Acer Aspire 5680 */
632 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
633 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
637 /* Acer Aspire 5720 */
639 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
640 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
644 /* Acer Aspire 9110 */
646 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
647 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
651 /* Acer TravelMate 660 */
653 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
654 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
658 /* Acer TravelMate 2490 */
660 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
661 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
665 /* Acer TravelMate 4280 */
667 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
668 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
674 #endif /* CONFIG_X86 */
677 #include <linux/pnp.h>
679 static bool i8042_pnp_kbd_registered;
680 static unsigned int i8042_pnp_kbd_devices;
681 static bool i8042_pnp_aux_registered;
682 static unsigned int i8042_pnp_aux_devices;
684 static int i8042_pnp_command_reg;
685 static int i8042_pnp_data_reg;
686 static int i8042_pnp_kbd_irq;
687 static int i8042_pnp_aux_irq;
689 static char i8042_pnp_kbd_name[32];
690 static char i8042_pnp_aux_name[32];
692 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
694 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
695 i8042_pnp_data_reg = pnp_port_start(dev,0);
697 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
698 i8042_pnp_command_reg = pnp_port_start(dev, 1);
700 if (pnp_irq_valid(dev,0))
701 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
703 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
704 if (strlen(pnp_dev_name(dev))) {
705 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
706 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
709 /* Keyboard ports are always supposed to be wakeup-enabled */
710 device_set_wakeup_enable(&dev->dev, true);
712 i8042_pnp_kbd_devices++;
716 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
718 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
719 i8042_pnp_data_reg = pnp_port_start(dev,0);
721 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
722 i8042_pnp_command_reg = pnp_port_start(dev, 1);
724 if (pnp_irq_valid(dev, 0))
725 i8042_pnp_aux_irq = pnp_irq(dev, 0);
727 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
728 if (strlen(pnp_dev_name(dev))) {
729 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
730 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
733 i8042_pnp_aux_devices++;
737 static struct pnp_device_id pnp_kbd_devids[] = {
738 { .id = "PNP0300", .driver_data = 0 },
739 { .id = "PNP0301", .driver_data = 0 },
740 { .id = "PNP0302", .driver_data = 0 },
741 { .id = "PNP0303", .driver_data = 0 },
742 { .id = "PNP0304", .driver_data = 0 },
743 { .id = "PNP0305", .driver_data = 0 },
744 { .id = "PNP0306", .driver_data = 0 },
745 { .id = "PNP0309", .driver_data = 0 },
746 { .id = "PNP030a", .driver_data = 0 },
747 { .id = "PNP030b", .driver_data = 0 },
748 { .id = "PNP0320", .driver_data = 0 },
749 { .id = "PNP0343", .driver_data = 0 },
750 { .id = "PNP0344", .driver_data = 0 },
751 { .id = "PNP0345", .driver_data = 0 },
752 { .id = "CPQA0D7", .driver_data = 0 },
756 static struct pnp_driver i8042_pnp_kbd_driver = {
758 .id_table = pnp_kbd_devids,
759 .probe = i8042_pnp_kbd_probe,
762 static struct pnp_device_id pnp_aux_devids[] = {
763 { .id = "AUI0200", .driver_data = 0 },
764 { .id = "FJC6000", .driver_data = 0 },
765 { .id = "FJC6001", .driver_data = 0 },
766 { .id = "PNP0f03", .driver_data = 0 },
767 { .id = "PNP0f0b", .driver_data = 0 },
768 { .id = "PNP0f0e", .driver_data = 0 },
769 { .id = "PNP0f12", .driver_data = 0 },
770 { .id = "PNP0f13", .driver_data = 0 },
771 { .id = "PNP0f19", .driver_data = 0 },
772 { .id = "PNP0f1c", .driver_data = 0 },
773 { .id = "SYN0801", .driver_data = 0 },
777 static struct pnp_driver i8042_pnp_aux_driver = {
779 .id_table = pnp_aux_devids,
780 .probe = i8042_pnp_aux_probe,
783 static void i8042_pnp_exit(void)
785 if (i8042_pnp_kbd_registered) {
786 i8042_pnp_kbd_registered = false;
787 pnp_unregister_driver(&i8042_pnp_kbd_driver);
790 if (i8042_pnp_aux_registered) {
791 i8042_pnp_aux_registered = false;
792 pnp_unregister_driver(&i8042_pnp_aux_driver);
796 static int __init i8042_pnp_init(void)
798 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
799 bool pnp_data_busted = false;
803 if (dmi_check_system(i8042_dmi_nopnp_table))
808 pr_info("PNP detection disabled\n");
812 err = pnp_register_driver(&i8042_pnp_kbd_driver);
814 i8042_pnp_kbd_registered = true;
816 err = pnp_register_driver(&i8042_pnp_aux_driver);
818 i8042_pnp_aux_registered = true;
820 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
822 #if defined(__ia64__)
825 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
830 if (i8042_pnp_kbd_devices)
831 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
832 "%d", i8042_pnp_kbd_irq);
833 if (i8042_pnp_aux_devices)
834 snprintf(aux_irq_str, sizeof(aux_irq_str),
835 "%d", i8042_pnp_aux_irq);
837 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
838 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
840 i8042_pnp_data_reg, i8042_pnp_command_reg,
841 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
844 #if defined(__ia64__)
845 if (!i8042_pnp_kbd_devices)
847 if (!i8042_pnp_aux_devices)
851 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
852 i8042_pnp_data_reg != i8042_data_reg) ||
853 !i8042_pnp_data_reg) {
854 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
855 i8042_pnp_data_reg, i8042_data_reg);
856 i8042_pnp_data_reg = i8042_data_reg;
857 pnp_data_busted = true;
860 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
861 i8042_pnp_command_reg != i8042_command_reg) ||
862 !i8042_pnp_command_reg) {
863 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
864 i8042_pnp_command_reg, i8042_command_reg);
865 i8042_pnp_command_reg = i8042_command_reg;
866 pnp_data_busted = true;
869 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
870 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
872 i8042_pnp_kbd_irq = i8042_kbd_irq;
873 pnp_data_busted = true;
876 if (!i8042_noaux && !i8042_pnp_aux_irq) {
877 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
878 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
879 "if this is incorrect please boot with i8042.nopnp\n");
882 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
884 i8042_pnp_aux_irq = i8042_aux_irq;
888 i8042_data_reg = i8042_pnp_data_reg;
889 i8042_command_reg = i8042_pnp_command_reg;
890 i8042_kbd_irq = i8042_pnp_kbd_irq;
891 i8042_aux_irq = i8042_pnp_aux_irq;
894 i8042_bypass_aux_irq_test = !pnp_data_busted &&
895 dmi_check_system(i8042_dmi_laptop_table);
902 static inline int i8042_pnp_init(void) { return 0; }
903 static inline void i8042_pnp_exit(void) { }
906 static int __init i8042_platform_init(void)
911 /* Just return if pre-detection shows no i8042 controller exist */
912 if (!x86_platform.i8042_detect())
917 * On ix86 platforms touching the i8042 data register region can do really
918 * bad things. Because of this the region is always reserved on ix86 boxes.
920 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
924 i8042_kbd_irq = I8042_MAP_IRQ(1);
925 i8042_aux_irq = I8042_MAP_IRQ(12);
927 retval = i8042_pnp_init();
931 #if defined(__ia64__)
936 if (dmi_check_system(i8042_dmi_reset_table))
939 if (dmi_check_system(i8042_dmi_noloop_table))
942 if (dmi_check_system(i8042_dmi_nomux_table))
945 if (dmi_check_system(i8042_dmi_notimeout_table))
946 i8042_notimeout = true;
948 if (dmi_check_system(i8042_dmi_dritek_table))
950 #endif /* CONFIG_X86 */
955 static inline void i8042_platform_exit(void)
960 #endif /* _I8042_X86IA64IO_H */