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"),
155 /* Medion Akoya E7225 */
157 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
158 DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
159 DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
165 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
166 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
167 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
173 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
174 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
175 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
179 /* Gigabyte M1022M netbook */
181 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
182 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
183 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
187 /* Gigabyte Spring Peak - defines wrong chassis type */
189 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
190 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
194 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
196 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
197 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
201 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
203 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
204 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
209 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
210 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
211 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
216 DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
217 DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
224 * Some Fujitsu notebooks are having trouble with touchpads if
225 * active multiplexing mode is activated. Luckily they don't have
226 * external PS/2 ports so we can safely disable it.
227 * ... apparently some Toshibas don't like MUX mode either and
228 * die horrible death on reboot.
230 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
232 /* Fujitsu Lifebook P7010/P7010D */
234 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
235 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
239 /* Fujitsu Lifebook P7010 */
241 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
246 /* Fujitsu Lifebook P5020D */
248 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
253 /* Fujitsu Lifebook S2000 */
255 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
260 /* Fujitsu Lifebook S6230 */
262 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
267 /* Fujitsu Lifebook U745 */
269 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
276 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
277 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
281 /* Fujitsu-Siemens Lifebook T3010 */
283 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
284 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
288 /* Fujitsu-Siemens Lifebook E4010 */
290 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
291 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
295 /* Fujitsu-Siemens Amilo Pro 2010 */
297 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
298 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
302 /* Fujitsu-Siemens Amilo Pro 2030 */
304 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
305 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
310 * No data is coming from the touchscreen unless KBC
313 /* Panasonic CF-29 */
315 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
316 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
321 * HP Pavilion DV4017EA -
322 * errors on MUX ports are reported without raising AUXDATA
323 * causing "spurious NAK" messages.
326 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
327 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
332 * HP Pavilion ZT1000 -
333 * like DV4017EA does not raise AUXERR for errors on MUX ports.
336 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
337 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
338 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
343 * HP Pavilion DV4270ca -
344 * like DV4017EA does not raise AUXERR for errors on MUX ports.
347 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
348 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
353 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
354 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
359 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
360 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
365 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
366 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
371 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
372 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
376 /* Sharp Actius MM20 */
378 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
379 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
383 /* Sony Vaio FS-115b */
385 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
386 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
391 * Sony Vaio FZ-240E -
392 * reset and GET ID commands issued via KBD port are
393 * sometimes being delivered to AUX3.
396 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
397 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
402 * Most (all?) VAIOs do not have external PS/2 ports nor
403 * they implement active multiplexing properly, and
404 * MUX discovery usually messes up keyboard/touchpad.
407 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
408 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
414 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
415 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
419 /* Lenovo 3000 n100 */
421 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
422 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
427 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
428 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
432 /* Acer Aspire 5710 */
434 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
435 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
439 /* Acer Aspire 7738 */
441 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
442 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
446 /* Gericom Bellagio */
448 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
449 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
455 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
456 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
462 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
463 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
469 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
470 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
474 /* Dell Vostro 1510 */
476 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
477 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
481 /* Acer Aspire 5536 */
483 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
484 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
485 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
489 /* Dell Vostro V13 */
491 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
492 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
496 /* Newer HP Pavilion dv4 models */
498 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
499 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
505 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
506 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
510 /* Avatar AVIU-145A6 */
512 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
513 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
520 * On some Asus laptops, just running self tests cause problems.
522 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
525 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
526 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
531 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
535 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
536 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
540 /* LG Electronics X110 */
542 DMI_MATCH(DMI_BOARD_NAME, "X110"),
543 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
547 /* Acer Aspire One 150 */
549 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
550 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
556 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
557 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
561 /* Medion Akoya Mini E1210 */
563 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
564 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
568 /* Medion Akoya E1222 */
570 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
571 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
577 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
578 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
582 /* Dell Vostro 1320 */
584 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
585 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
589 /* Dell Vostro 1520 */
591 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
592 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
596 /* Dell Vostro 1720 */
598 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
599 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
603 /* Lenovo Ideapad U455 */
605 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
606 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
613 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
615 /* Intel MBO Desktop D845PESV */
617 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
618 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
623 * Intel NUC D54250WYK - does not have i8042 controller but
624 * declares PS/2 devices in DSDT.
627 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
628 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
634 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
635 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
641 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
644 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
649 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
654 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
659 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
666 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
668 /* Dell Vostro V13 */
670 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
671 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
675 /* Newer HP Pavilion dv4 models */
677 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
678 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
682 /* Fujitsu A544 laptop */
683 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
685 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
686 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
690 /* Fujitsu AH544 laptop */
691 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
693 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
694 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
698 /* Fujitsu U574 laptop */
699 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
701 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
702 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
709 * Some Wistron based laptops need us to explicitly enable the 'Dritek
710 * keyboard extension' to make their extra keys start generating scancodes.
711 * Originally, this was just confined to older laptops, but a few Acer laptops
712 * have turned up in 2007 that also need this again.
714 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
716 /* Acer Aspire 5100 */
718 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
719 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
723 /* Acer Aspire 5610 */
725 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
726 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
730 /* Acer Aspire 5630 */
732 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
733 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
737 /* Acer Aspire 5650 */
739 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
740 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
744 /* Acer Aspire 5680 */
746 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
747 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
751 /* Acer Aspire 5720 */
753 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
754 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
758 /* Acer Aspire 9110 */
760 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
761 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
765 /* Acer TravelMate 660 */
767 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
768 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
772 /* Acer TravelMate 2490 */
774 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
775 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
779 /* Acer TravelMate 4280 */
781 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
782 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
789 * Some laptops need keyboard reset before probing for the trackpad to get
790 * it detected, initialised & finally work.
792 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
794 /* Gigabyte P35 v2 - Elantech touchpad */
796 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
797 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
801 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
803 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
804 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
808 /* Gigabyte P34 - Elantech touchpad */
810 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
811 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
815 /* Schenker XMG C504 - Elantech touchpad */
817 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
818 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
824 #endif /* CONFIG_X86 */
827 #include <linux/pnp.h>
829 static bool i8042_pnp_kbd_registered;
830 static unsigned int i8042_pnp_kbd_devices;
831 static bool i8042_pnp_aux_registered;
832 static unsigned int i8042_pnp_aux_devices;
834 static int i8042_pnp_command_reg;
835 static int i8042_pnp_data_reg;
836 static int i8042_pnp_kbd_irq;
837 static int i8042_pnp_aux_irq;
839 static char i8042_pnp_kbd_name[32];
840 static char i8042_pnp_aux_name[32];
842 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
844 strlcpy(dst, "PNP:", dst_size);
847 strlcat(dst, " ", dst_size);
848 strlcat(dst, id->id, dst_size);
853 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
855 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
856 i8042_pnp_data_reg = pnp_port_start(dev,0);
858 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
859 i8042_pnp_command_reg = pnp_port_start(dev, 1);
861 if (pnp_irq_valid(dev,0))
862 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
864 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
865 if (strlen(pnp_dev_name(dev))) {
866 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
867 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
869 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
870 sizeof(i8042_kbd_firmware_id));
872 /* Keyboard ports are always supposed to be wakeup-enabled */
873 device_set_wakeup_enable(&dev->dev, true);
875 i8042_pnp_kbd_devices++;
879 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
881 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
882 i8042_pnp_data_reg = pnp_port_start(dev,0);
884 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
885 i8042_pnp_command_reg = pnp_port_start(dev, 1);
887 if (pnp_irq_valid(dev, 0))
888 i8042_pnp_aux_irq = pnp_irq(dev, 0);
890 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
891 if (strlen(pnp_dev_name(dev))) {
892 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
893 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
895 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
896 sizeof(i8042_aux_firmware_id));
898 i8042_pnp_aux_devices++;
902 static struct pnp_device_id pnp_kbd_devids[] = {
903 { .id = "PNP0300", .driver_data = 0 },
904 { .id = "PNP0301", .driver_data = 0 },
905 { .id = "PNP0302", .driver_data = 0 },
906 { .id = "PNP0303", .driver_data = 0 },
907 { .id = "PNP0304", .driver_data = 0 },
908 { .id = "PNP0305", .driver_data = 0 },
909 { .id = "PNP0306", .driver_data = 0 },
910 { .id = "PNP0309", .driver_data = 0 },
911 { .id = "PNP030a", .driver_data = 0 },
912 { .id = "PNP030b", .driver_data = 0 },
913 { .id = "PNP0320", .driver_data = 0 },
914 { .id = "PNP0343", .driver_data = 0 },
915 { .id = "PNP0344", .driver_data = 0 },
916 { .id = "PNP0345", .driver_data = 0 },
917 { .id = "CPQA0D7", .driver_data = 0 },
920 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
922 static struct pnp_driver i8042_pnp_kbd_driver = {
924 .id_table = pnp_kbd_devids,
925 .probe = i8042_pnp_kbd_probe,
928 static struct pnp_device_id pnp_aux_devids[] = {
929 { .id = "AUI0200", .driver_data = 0 },
930 { .id = "FJC6000", .driver_data = 0 },
931 { .id = "FJC6001", .driver_data = 0 },
932 { .id = "PNP0f03", .driver_data = 0 },
933 { .id = "PNP0f0b", .driver_data = 0 },
934 { .id = "PNP0f0e", .driver_data = 0 },
935 { .id = "PNP0f12", .driver_data = 0 },
936 { .id = "PNP0f13", .driver_data = 0 },
937 { .id = "PNP0f19", .driver_data = 0 },
938 { .id = "PNP0f1c", .driver_data = 0 },
939 { .id = "SYN0801", .driver_data = 0 },
942 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
944 static struct pnp_driver i8042_pnp_aux_driver = {
946 .id_table = pnp_aux_devids,
947 .probe = i8042_pnp_aux_probe,
950 static void i8042_pnp_exit(void)
952 if (i8042_pnp_kbd_registered) {
953 i8042_pnp_kbd_registered = false;
954 pnp_unregister_driver(&i8042_pnp_kbd_driver);
957 if (i8042_pnp_aux_registered) {
958 i8042_pnp_aux_registered = false;
959 pnp_unregister_driver(&i8042_pnp_aux_driver);
963 static int __init i8042_pnp_init(void)
965 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
966 bool pnp_data_busted = false;
970 if (dmi_check_system(i8042_dmi_nopnp_table))
975 pr_info("PNP detection disabled\n");
979 err = pnp_register_driver(&i8042_pnp_kbd_driver);
981 i8042_pnp_kbd_registered = true;
983 err = pnp_register_driver(&i8042_pnp_aux_driver);
985 i8042_pnp_aux_registered = true;
987 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
989 #if defined(__ia64__)
992 pr_info("PNP: No PS/2 controller found.\n");
993 if (x86_platform.legacy.i8042 !=
994 X86_LEGACY_I8042_EXPECTED_PRESENT)
996 pr_info("Probing ports directly.\n");
1001 if (i8042_pnp_kbd_devices)
1002 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
1003 "%d", i8042_pnp_kbd_irq);
1004 if (i8042_pnp_aux_devices)
1005 snprintf(aux_irq_str, sizeof(aux_irq_str),
1006 "%d", i8042_pnp_aux_irq);
1008 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
1009 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1011 i8042_pnp_data_reg, i8042_pnp_command_reg,
1012 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1015 #if defined(__ia64__)
1016 if (!i8042_pnp_kbd_devices)
1018 if (!i8042_pnp_aux_devices)
1022 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1023 i8042_pnp_data_reg != i8042_data_reg) ||
1024 !i8042_pnp_data_reg) {
1025 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1026 i8042_pnp_data_reg, i8042_data_reg);
1027 i8042_pnp_data_reg = i8042_data_reg;
1028 pnp_data_busted = true;
1031 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1032 i8042_pnp_command_reg != i8042_command_reg) ||
1033 !i8042_pnp_command_reg) {
1034 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1035 i8042_pnp_command_reg, i8042_command_reg);
1036 i8042_pnp_command_reg = i8042_command_reg;
1037 pnp_data_busted = true;
1040 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1041 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1043 i8042_pnp_kbd_irq = i8042_kbd_irq;
1044 pnp_data_busted = true;
1047 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1048 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1049 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1050 "if this is incorrect please boot with i8042.nopnp\n");
1053 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1055 i8042_pnp_aux_irq = i8042_aux_irq;
1059 i8042_data_reg = i8042_pnp_data_reg;
1060 i8042_command_reg = i8042_pnp_command_reg;
1061 i8042_kbd_irq = i8042_pnp_kbd_irq;
1062 i8042_aux_irq = i8042_pnp_aux_irq;
1065 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1066 dmi_check_system(i8042_dmi_laptop_table);
1072 #else /* !CONFIG_PNP */
1073 static inline int i8042_pnp_init(void) { return 0; }
1074 static inline void i8042_pnp_exit(void) { }
1075 #endif /* CONFIG_PNP */
1077 static int __init i8042_platform_init(void)
1083 /* Just return if platform does not have i8042 controller */
1084 if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
1089 * On ix86 platforms touching the i8042 data register region can do really
1090 * bad things. Because of this the region is always reserved on ix86 boxes.
1092 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1096 i8042_kbd_irq = I8042_MAP_IRQ(1);
1097 i8042_aux_irq = I8042_MAP_IRQ(12);
1099 retval = i8042_pnp_init();
1103 #if defined(__ia64__)
1104 i8042_reset = I8042_RESET_ALWAYS;
1108 /* Honor module parameter when value is not default */
1109 if (i8042_reset == I8042_RESET_DEFAULT) {
1110 if (dmi_check_system(i8042_dmi_reset_table))
1111 i8042_reset = I8042_RESET_ALWAYS;
1113 if (dmi_check_system(i8042_dmi_noselftest_table))
1114 i8042_reset = I8042_RESET_NEVER;
1117 if (dmi_check_system(i8042_dmi_noloop_table))
1118 i8042_noloop = true;
1120 if (dmi_check_system(i8042_dmi_nomux_table))
1123 if (dmi_check_system(i8042_dmi_notimeout_table))
1124 i8042_notimeout = true;
1126 if (dmi_check_system(i8042_dmi_dritek_table))
1127 i8042_dritek = true;
1129 if (dmi_check_system(i8042_dmi_kbdreset_table))
1130 i8042_kbdreset = true;
1133 * A20 was already enabled during early kernel init. But some buggy
1134 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1135 * resume from S3. So we do it here and hope that nothing breaks.
1137 i8042_command(&a20_on, 0x10d1);
1138 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1139 #endif /* CONFIG_X86 */
1144 static inline void i8042_platform_exit(void)
1149 #endif /* _I8042_X86IA64IO_H */