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, "ASUSTeK COMPUTER INC."),
105 DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
110 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
111 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
112 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
117 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
118 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
119 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
125 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
126 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
127 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
131 /* ULI EV4873 - AUX LOOP does not work properly */
133 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
134 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
135 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
139 /* Microsoft Virtual Machine */
141 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
142 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
143 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
147 /* Medion MAM 2070 */
149 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
150 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
151 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
157 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
158 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
159 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
165 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
166 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
167 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
171 /* Gigabyte M1022M netbook */
173 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
174 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
175 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
179 /* Gigabyte Spring Peak - defines wrong chassis type */
181 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
182 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
186 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
188 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
189 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
193 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
195 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
196 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
201 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
202 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
203 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
210 * Some Fujitsu notebooks are having trouble with touchpads if
211 * active multiplexing mode is activated. Luckily they don't have
212 * external PS/2 ports so we can safely disable it.
213 * ... apparently some Toshibas don't like MUX mode either and
214 * die horrible death on reboot.
216 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
218 /* Fujitsu Lifebook P7010/P7010D */
220 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
221 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
225 /* Fujitsu Lifebook P7010 */
227 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
228 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
232 /* Fujitsu Lifebook P5020D */
234 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
235 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
239 /* Fujitsu Lifebook S2000 */
241 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
246 /* Fujitsu Lifebook S6230 */
248 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
255 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
260 /* Fujitsu-Siemens Lifebook T3010 */
262 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
267 /* Fujitsu-Siemens Lifebook E4010 */
269 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
274 /* Fujitsu-Siemens Amilo Pro 2010 */
276 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
277 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
281 /* Fujitsu-Siemens Amilo Pro 2030 */
283 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
284 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
289 * No data is coming from the touchscreen unless KBC
292 /* Panasonic CF-29 */
294 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
295 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
300 * HP Pavilion DV4017EA -
301 * errors on MUX ports are reported without raising AUXDATA
302 * causing "spurious NAK" messages.
305 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
306 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
311 * HP Pavilion ZT1000 -
312 * like DV4017EA does not raise AUXERR for errors on MUX ports.
315 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
316 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
317 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
322 * HP Pavilion DV4270ca -
323 * like DV4017EA does not raise AUXERR for errors on MUX ports.
326 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
327 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
332 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
333 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
338 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
339 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
344 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
345 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
350 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
351 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
355 /* Sharp Actius MM20 */
357 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
358 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
362 /* Sony Vaio FS-115b */
364 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
365 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
370 * Sony Vaio FZ-240E -
371 * reset and GET ID commands issued via KBD port are
372 * sometimes being delivered to AUX3.
375 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
376 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
381 * Most (all?) VAIOs do not have external PS/2 ports nor
382 * they implement active multiplexing properly, and
383 * MUX discovery usually messes up keyboard/touchpad.
386 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
387 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
393 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
394 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
398 /* Lenovo 3000 n100 */
400 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
401 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
406 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
407 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
411 /* Acer Aspire 5710 */
413 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
414 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
418 /* Acer Aspire 7738 */
420 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
421 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
425 /* Gericom Bellagio */
427 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
428 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
434 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
435 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
441 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
442 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
448 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
449 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
453 /* Dell Vostro 1510 */
455 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
456 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
460 /* Acer Aspire 5536 */
462 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
463 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
464 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
468 /* Dell Vostro V13 */
470 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
471 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
475 /* Newer HP Pavilion dv4 models */
477 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
478 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
484 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
485 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
489 /* Avatar AVIU-145A6 */
491 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
492 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
498 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
502 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
503 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
507 /* LG Electronics X110 */
509 DMI_MATCH(DMI_BOARD_NAME, "X110"),
510 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
514 /* Acer Aspire One 150 */
516 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
517 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
523 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
524 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
528 /* Medion Akoya Mini E1210 */
530 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
531 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
535 /* Medion Akoya E1222 */
537 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
538 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
544 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
545 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
549 /* Dell Vostro 1320 */
551 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
552 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
556 /* Dell Vostro 1520 */
558 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
559 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
563 /* Dell Vostro 1720 */
565 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
566 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
570 /* Lenovo Ideapad U455 */
572 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
573 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
580 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
582 /* Intel MBO Desktop D845PESV */
584 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
585 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
590 * Intel NUC D54250WYK - does not have i8042 controller but
591 * declares PS/2 devices in DSDT.
594 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
595 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
601 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
602 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
608 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
611 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
616 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
621 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
626 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
633 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
635 /* Dell Vostro V13 */
637 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
638 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
642 /* Newer HP Pavilion dv4 models */
644 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
645 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
649 /* Fujitsu A544 laptop */
650 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
652 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
653 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
657 /* Fujitsu AH544 laptop */
658 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
660 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
661 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
665 /* Fujitsu U574 laptop */
666 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
668 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
669 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
676 * Some Wistron based laptops need us to explicitly enable the 'Dritek
677 * keyboard extension' to make their extra keys start generating scancodes.
678 * Originally, this was just confined to older laptops, but a few Acer laptops
679 * have turned up in 2007 that also need this again.
681 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
683 /* Acer Aspire 5100 */
685 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
686 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
690 /* Acer Aspire 5610 */
692 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
693 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
697 /* Acer Aspire 5630 */
699 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
700 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
704 /* Acer Aspire 5650 */
706 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
707 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
711 /* Acer Aspire 5680 */
713 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
714 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
718 /* Acer Aspire 5720 */
720 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
721 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
725 /* Acer Aspire 9110 */
727 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
728 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
732 /* Acer TravelMate 660 */
734 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
735 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
739 /* Acer TravelMate 2490 */
741 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
742 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
746 /* Acer TravelMate 4280 */
748 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
749 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
756 * Some laptops need keyboard reset before probing for the trackpad to get
757 * it detected, initialised & finally work.
759 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
761 /* Gigabyte P35 v2 - Elantech touchpad */
763 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
764 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
768 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
770 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
771 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
775 /* Gigabyte P34 - Elantech touchpad */
777 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
778 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
784 #endif /* CONFIG_X86 */
787 #include <linux/pnp.h>
789 static bool i8042_pnp_kbd_registered;
790 static unsigned int i8042_pnp_kbd_devices;
791 static bool i8042_pnp_aux_registered;
792 static unsigned int i8042_pnp_aux_devices;
794 static int i8042_pnp_command_reg;
795 static int i8042_pnp_data_reg;
796 static int i8042_pnp_kbd_irq;
797 static int i8042_pnp_aux_irq;
799 static char i8042_pnp_kbd_name[32];
800 static char i8042_pnp_aux_name[32];
802 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
804 strlcpy(dst, "PNP:", dst_size);
807 strlcat(dst, " ", dst_size);
808 strlcat(dst, id->id, dst_size);
813 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
815 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
816 i8042_pnp_data_reg = pnp_port_start(dev,0);
818 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
819 i8042_pnp_command_reg = pnp_port_start(dev, 1);
821 if (pnp_irq_valid(dev,0))
822 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
824 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
825 if (strlen(pnp_dev_name(dev))) {
826 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
827 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
829 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
830 sizeof(i8042_kbd_firmware_id));
832 /* Keyboard ports are always supposed to be wakeup-enabled */
833 device_set_wakeup_enable(&dev->dev, true);
835 i8042_pnp_kbd_devices++;
839 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
841 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
842 i8042_pnp_data_reg = pnp_port_start(dev,0);
844 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
845 i8042_pnp_command_reg = pnp_port_start(dev, 1);
847 if (pnp_irq_valid(dev, 0))
848 i8042_pnp_aux_irq = pnp_irq(dev, 0);
850 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
851 if (strlen(pnp_dev_name(dev))) {
852 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
853 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
855 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
856 sizeof(i8042_aux_firmware_id));
858 i8042_pnp_aux_devices++;
862 static struct pnp_device_id pnp_kbd_devids[] = {
863 { .id = "PNP0300", .driver_data = 0 },
864 { .id = "PNP0301", .driver_data = 0 },
865 { .id = "PNP0302", .driver_data = 0 },
866 { .id = "PNP0303", .driver_data = 0 },
867 { .id = "PNP0304", .driver_data = 0 },
868 { .id = "PNP0305", .driver_data = 0 },
869 { .id = "PNP0306", .driver_data = 0 },
870 { .id = "PNP0309", .driver_data = 0 },
871 { .id = "PNP030a", .driver_data = 0 },
872 { .id = "PNP030b", .driver_data = 0 },
873 { .id = "PNP0320", .driver_data = 0 },
874 { .id = "PNP0343", .driver_data = 0 },
875 { .id = "PNP0344", .driver_data = 0 },
876 { .id = "PNP0345", .driver_data = 0 },
877 { .id = "CPQA0D7", .driver_data = 0 },
880 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
882 static struct pnp_driver i8042_pnp_kbd_driver = {
884 .id_table = pnp_kbd_devids,
885 .probe = i8042_pnp_kbd_probe,
888 static struct pnp_device_id pnp_aux_devids[] = {
889 { .id = "AUI0200", .driver_data = 0 },
890 { .id = "FJC6000", .driver_data = 0 },
891 { .id = "FJC6001", .driver_data = 0 },
892 { .id = "PNP0f03", .driver_data = 0 },
893 { .id = "PNP0f0b", .driver_data = 0 },
894 { .id = "PNP0f0e", .driver_data = 0 },
895 { .id = "PNP0f12", .driver_data = 0 },
896 { .id = "PNP0f13", .driver_data = 0 },
897 { .id = "PNP0f19", .driver_data = 0 },
898 { .id = "PNP0f1c", .driver_data = 0 },
899 { .id = "SYN0801", .driver_data = 0 },
902 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
904 static struct pnp_driver i8042_pnp_aux_driver = {
906 .id_table = pnp_aux_devids,
907 .probe = i8042_pnp_aux_probe,
910 static void i8042_pnp_exit(void)
912 if (i8042_pnp_kbd_registered) {
913 i8042_pnp_kbd_registered = false;
914 pnp_unregister_driver(&i8042_pnp_kbd_driver);
917 if (i8042_pnp_aux_registered) {
918 i8042_pnp_aux_registered = false;
919 pnp_unregister_driver(&i8042_pnp_aux_driver);
923 static int __init i8042_pnp_init(void)
925 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
926 bool pnp_data_busted = false;
930 if (dmi_check_system(i8042_dmi_nopnp_table))
935 pr_info("PNP detection disabled\n");
939 err = pnp_register_driver(&i8042_pnp_kbd_driver);
941 i8042_pnp_kbd_registered = true;
943 err = pnp_register_driver(&i8042_pnp_aux_driver);
945 i8042_pnp_aux_registered = true;
947 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
949 #if defined(__ia64__)
952 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
957 if (i8042_pnp_kbd_devices)
958 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
959 "%d", i8042_pnp_kbd_irq);
960 if (i8042_pnp_aux_devices)
961 snprintf(aux_irq_str, sizeof(aux_irq_str),
962 "%d", i8042_pnp_aux_irq);
964 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
965 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
967 i8042_pnp_data_reg, i8042_pnp_command_reg,
968 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
971 #if defined(__ia64__)
972 if (!i8042_pnp_kbd_devices)
974 if (!i8042_pnp_aux_devices)
978 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
979 i8042_pnp_data_reg != i8042_data_reg) ||
980 !i8042_pnp_data_reg) {
981 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
982 i8042_pnp_data_reg, i8042_data_reg);
983 i8042_pnp_data_reg = i8042_data_reg;
984 pnp_data_busted = true;
987 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
988 i8042_pnp_command_reg != i8042_command_reg) ||
989 !i8042_pnp_command_reg) {
990 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
991 i8042_pnp_command_reg, i8042_command_reg);
992 i8042_pnp_command_reg = i8042_command_reg;
993 pnp_data_busted = true;
996 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
997 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
999 i8042_pnp_kbd_irq = i8042_kbd_irq;
1000 pnp_data_busted = true;
1003 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1004 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1005 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1006 "if this is incorrect please boot with i8042.nopnp\n");
1009 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1011 i8042_pnp_aux_irq = i8042_aux_irq;
1015 i8042_data_reg = i8042_pnp_data_reg;
1016 i8042_command_reg = i8042_pnp_command_reg;
1017 i8042_kbd_irq = i8042_pnp_kbd_irq;
1018 i8042_aux_irq = i8042_pnp_aux_irq;
1021 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1022 dmi_check_system(i8042_dmi_laptop_table);
1029 static inline int i8042_pnp_init(void) { return 0; }
1030 static inline void i8042_pnp_exit(void) { }
1033 static int __init i8042_platform_init(void)
1039 /* Just return if pre-detection shows no i8042 controller exist */
1040 if (!x86_platform.i8042_detect())
1045 * On ix86 platforms touching the i8042 data register region can do really
1046 * bad things. Because of this the region is always reserved on ix86 boxes.
1048 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1052 i8042_kbd_irq = I8042_MAP_IRQ(1);
1053 i8042_aux_irq = I8042_MAP_IRQ(12);
1055 retval = i8042_pnp_init();
1059 #if defined(__ia64__)
1064 if (dmi_check_system(i8042_dmi_reset_table))
1067 if (dmi_check_system(i8042_dmi_noloop_table))
1068 i8042_noloop = true;
1070 if (dmi_check_system(i8042_dmi_nomux_table))
1073 if (dmi_check_system(i8042_dmi_notimeout_table))
1074 i8042_notimeout = true;
1076 if (dmi_check_system(i8042_dmi_dritek_table))
1077 i8042_dritek = true;
1079 if (dmi_check_system(i8042_dmi_kbdreset_table))
1080 i8042_kbdreset = true;
1083 * A20 was already enabled during early kernel init. But some buggy
1084 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1085 * resume from S3. So we do it here and hope that nothing breaks.
1087 i8042_command(&a20_on, 0x10d1);
1088 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1089 #endif /* CONFIG_X86 */
1094 static inline void i8042_platform_exit(void)
1099 #endif /* _I8042_X86IA64IO_H */