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"),
123 /* Dell Embedded Box PC 3000 */
125 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
126 DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
132 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
133 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
134 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
138 /* ULI EV4873 - AUX LOOP does not work properly */
140 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
141 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
142 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
146 /* Microsoft Virtual Machine */
148 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
149 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
150 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
154 /* Medion MAM 2070 */
156 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
157 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
158 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
162 /* Medion Akoya E7225 */
164 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
165 DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
166 DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
172 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
173 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
174 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
180 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
181 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
182 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
186 /* Gigabyte M1022M netbook */
188 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
189 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
190 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
194 /* Gigabyte Spring Peak - defines wrong chassis type */
196 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
197 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
201 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
203 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
204 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
208 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
210 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
211 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
216 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
217 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
218 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
223 DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
224 DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
231 * Some Fujitsu notebooks are having trouble with touchpads if
232 * active multiplexing mode is activated. Luckily they don't have
233 * external PS/2 ports so we can safely disable it.
234 * ... apparently some Toshibas don't like MUX mode either and
235 * die horrible death on reboot.
237 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
239 /* Fujitsu Lifebook P7010/P7010D */
241 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
242 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
246 /* Fujitsu Lifebook P7010 */
248 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
253 /* Fujitsu Lifebook P5020D */
255 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
256 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
260 /* Fujitsu Lifebook S2000 */
262 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
263 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
267 /* Fujitsu Lifebook S6230 */
269 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
270 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
274 /* Fujitsu Lifebook U745 */
276 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
277 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
283 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
284 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
288 /* Fujitsu-Siemens Lifebook T3010 */
290 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
291 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
295 /* Fujitsu-Siemens Lifebook E4010 */
297 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
298 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
302 /* Fujitsu-Siemens Amilo Pro 2010 */
304 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
305 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
309 /* Fujitsu-Siemens Amilo Pro 2030 */
311 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
312 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
317 * No data is coming from the touchscreen unless KBC
320 /* Panasonic CF-29 */
322 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
323 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
328 * HP Pavilion DV4017EA -
329 * errors on MUX ports are reported without raising AUXDATA
330 * causing "spurious NAK" messages.
333 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
334 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
339 * HP Pavilion ZT1000 -
340 * like DV4017EA does not raise AUXERR for errors on MUX ports.
343 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
344 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
345 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
350 * HP Pavilion DV4270ca -
351 * like DV4017EA does not raise AUXERR for errors on MUX ports.
354 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
355 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
360 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
361 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
366 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
367 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
372 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
373 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
378 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
379 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
383 /* Sharp Actius MM20 */
385 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
386 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
390 /* Sony Vaio FS-115b */
392 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
393 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
398 * Sony Vaio FZ-240E -
399 * reset and GET ID commands issued via KBD port are
400 * sometimes being delivered to AUX3.
403 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
404 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
409 * Most (all?) VAIOs do not have external PS/2 ports nor
410 * they implement active multiplexing properly, and
411 * MUX discovery usually messes up keyboard/touchpad.
414 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
415 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
421 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
422 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
426 /* Lenovo 3000 n100 */
428 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
429 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
434 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
435 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
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"),
503 /* Avatar AVIU-145A6 */
505 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
506 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
512 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
516 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
517 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
521 /* LG Electronics X110 */
523 DMI_MATCH(DMI_BOARD_NAME, "X110"),
524 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
528 /* Acer Aspire One 150 */
530 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
531 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
537 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
538 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
542 /* Medion Akoya Mini E1210 */
544 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
545 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
549 /* Medion Akoya E1222 */
551 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
552 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
558 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
559 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
563 /* Dell Vostro 1320 */
565 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
566 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
570 /* Dell Vostro 1520 */
572 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
573 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
577 /* Dell Vostro 1720 */
579 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
580 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
584 /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
586 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
587 DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
594 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
596 /* Intel MBO Desktop D845PESV */
598 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
599 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
605 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
606 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
612 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
615 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
620 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
625 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
630 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
637 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
639 /* Dell Vostro V13 */
641 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
642 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
646 /* Newer HP Pavilion dv4 models */
648 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
649 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
653 /* Fujitsu A544 laptop */
654 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
656 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
657 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
661 /* Fujitsu AH544 laptop */
662 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
664 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
665 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
669 /* Fujitsu U574 laptop */
670 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
672 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
673 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
677 /* Fujitsu UH554 laptop */
679 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
680 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
687 * Some Wistron based laptops need us to explicitly enable the 'Dritek
688 * keyboard extension' to make their extra keys start generating scancodes.
689 * Originally, this was just confined to older laptops, but a few Acer laptops
690 * have turned up in 2007 that also need this again.
692 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
694 /* Acer Aspire 5100 */
696 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
697 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
701 /* Acer Aspire 5610 */
703 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
704 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
708 /* Acer Aspire 5630 */
710 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
711 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
715 /* Acer Aspire 5650 */
717 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
718 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
722 /* Acer Aspire 5680 */
724 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
725 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
729 /* Acer Aspire 5720 */
731 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
732 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
736 /* Acer Aspire 9110 */
738 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
739 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
743 /* Acer TravelMate 660 */
745 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
746 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
750 /* Acer TravelMate 2490 */
752 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
753 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
757 /* Acer TravelMate 4280 */
759 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
760 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
767 * Some laptops need keyboard reset before probing for the trackpad to get
768 * it detected, initialised & finally work.
770 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
772 /* Gigabyte P35 v2 - Elantech touchpad */
774 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
775 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
779 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
781 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
782 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
786 /* Gigabyte P34 - Elantech touchpad */
788 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
789 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
793 /* Schenker XMG C504 - Elantech touchpad */
795 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
796 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
802 #endif /* CONFIG_X86 */
805 #include <linux/pnp.h>
807 static bool i8042_pnp_kbd_registered;
808 static unsigned int i8042_pnp_kbd_devices;
809 static bool i8042_pnp_aux_registered;
810 static unsigned int i8042_pnp_aux_devices;
812 static int i8042_pnp_command_reg;
813 static int i8042_pnp_data_reg;
814 static int i8042_pnp_kbd_irq;
815 static int i8042_pnp_aux_irq;
817 static char i8042_pnp_kbd_name[32];
818 static char i8042_pnp_aux_name[32];
820 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
822 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
823 i8042_pnp_data_reg = pnp_port_start(dev,0);
825 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
826 i8042_pnp_command_reg = pnp_port_start(dev, 1);
828 if (pnp_irq_valid(dev,0))
829 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
831 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
832 if (strlen(pnp_dev_name(dev))) {
833 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
834 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
837 /* Keyboard ports are always supposed to be wakeup-enabled */
838 device_set_wakeup_enable(&dev->dev, true);
840 i8042_pnp_kbd_devices++;
844 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
846 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
847 i8042_pnp_data_reg = pnp_port_start(dev,0);
849 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
850 i8042_pnp_command_reg = pnp_port_start(dev, 1);
852 if (pnp_irq_valid(dev, 0))
853 i8042_pnp_aux_irq = pnp_irq(dev, 0);
855 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
856 if (strlen(pnp_dev_name(dev))) {
857 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
858 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
861 i8042_pnp_aux_devices++;
865 static struct pnp_device_id pnp_kbd_devids[] = {
866 { .id = "PNP0300", .driver_data = 0 },
867 { .id = "PNP0301", .driver_data = 0 },
868 { .id = "PNP0302", .driver_data = 0 },
869 { .id = "PNP0303", .driver_data = 0 },
870 { .id = "PNP0304", .driver_data = 0 },
871 { .id = "PNP0305", .driver_data = 0 },
872 { .id = "PNP0306", .driver_data = 0 },
873 { .id = "PNP0309", .driver_data = 0 },
874 { .id = "PNP030a", .driver_data = 0 },
875 { .id = "PNP030b", .driver_data = 0 },
876 { .id = "PNP0320", .driver_data = 0 },
877 { .id = "PNP0343", .driver_data = 0 },
878 { .id = "PNP0344", .driver_data = 0 },
879 { .id = "PNP0345", .driver_data = 0 },
880 { .id = "CPQA0D7", .driver_data = 0 },
884 static struct pnp_driver i8042_pnp_kbd_driver = {
886 .id_table = pnp_kbd_devids,
887 .probe = i8042_pnp_kbd_probe,
890 static struct pnp_device_id pnp_aux_devids[] = {
891 { .id = "AUI0200", .driver_data = 0 },
892 { .id = "FJC6000", .driver_data = 0 },
893 { .id = "FJC6001", .driver_data = 0 },
894 { .id = "PNP0f03", .driver_data = 0 },
895 { .id = "PNP0f0b", .driver_data = 0 },
896 { .id = "PNP0f0e", .driver_data = 0 },
897 { .id = "PNP0f12", .driver_data = 0 },
898 { .id = "PNP0f13", .driver_data = 0 },
899 { .id = "PNP0f19", .driver_data = 0 },
900 { .id = "PNP0f1c", .driver_data = 0 },
901 { .id = "SYN0801", .driver_data = 0 },
905 static struct pnp_driver i8042_pnp_aux_driver = {
907 .id_table = pnp_aux_devids,
908 .probe = i8042_pnp_aux_probe,
911 static void i8042_pnp_exit(void)
913 if (i8042_pnp_kbd_registered) {
914 i8042_pnp_kbd_registered = false;
915 pnp_unregister_driver(&i8042_pnp_kbd_driver);
918 if (i8042_pnp_aux_registered) {
919 i8042_pnp_aux_registered = false;
920 pnp_unregister_driver(&i8042_pnp_aux_driver);
924 static int __init i8042_pnp_init(void)
926 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
927 bool pnp_data_busted = false;
931 if (dmi_check_system(i8042_dmi_nopnp_table))
936 pr_info("PNP detection disabled\n");
940 err = pnp_register_driver(&i8042_pnp_kbd_driver);
942 i8042_pnp_kbd_registered = true;
944 err = pnp_register_driver(&i8042_pnp_aux_driver);
946 i8042_pnp_aux_registered = true;
948 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
950 #if defined(__ia64__)
953 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
958 if (i8042_pnp_kbd_devices)
959 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
960 "%d", i8042_pnp_kbd_irq);
961 if (i8042_pnp_aux_devices)
962 snprintf(aux_irq_str, sizeof(aux_irq_str),
963 "%d", i8042_pnp_aux_irq);
965 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
966 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
968 i8042_pnp_data_reg, i8042_pnp_command_reg,
969 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
972 #if defined(__ia64__)
973 if (!i8042_pnp_kbd_devices)
975 if (!i8042_pnp_aux_devices)
979 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
980 i8042_pnp_data_reg != i8042_data_reg) ||
981 !i8042_pnp_data_reg) {
982 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
983 i8042_pnp_data_reg, i8042_data_reg);
984 i8042_pnp_data_reg = i8042_data_reg;
985 pnp_data_busted = true;
988 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
989 i8042_pnp_command_reg != i8042_command_reg) ||
990 !i8042_pnp_command_reg) {
991 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
992 i8042_pnp_command_reg, i8042_command_reg);
993 i8042_pnp_command_reg = i8042_command_reg;
994 pnp_data_busted = true;
997 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
998 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1000 i8042_pnp_kbd_irq = i8042_kbd_irq;
1001 pnp_data_busted = true;
1004 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1005 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1006 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1007 "if this is incorrect please boot with i8042.nopnp\n");
1010 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1012 i8042_pnp_aux_irq = i8042_aux_irq;
1016 i8042_data_reg = i8042_pnp_data_reg;
1017 i8042_command_reg = i8042_pnp_command_reg;
1018 i8042_kbd_irq = i8042_pnp_kbd_irq;
1019 i8042_aux_irq = i8042_pnp_aux_irq;
1022 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1023 dmi_check_system(i8042_dmi_laptop_table);
1030 static inline int i8042_pnp_init(void) { return 0; }
1031 static inline void i8042_pnp_exit(void) { }
1034 static int __init i8042_platform_init(void)
1040 /* Just return if pre-detection shows no i8042 controller exist */
1041 if (!x86_platform.i8042_detect())
1046 * On ix86 platforms touching the i8042 data register region can do really
1047 * bad things. Because of this the region is always reserved on ix86 boxes.
1049 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1053 i8042_kbd_irq = I8042_MAP_IRQ(1);
1054 i8042_aux_irq = I8042_MAP_IRQ(12);
1056 retval = i8042_pnp_init();
1060 #if defined(__ia64__)
1065 if (dmi_check_system(i8042_dmi_reset_table))
1068 if (dmi_check_system(i8042_dmi_noloop_table))
1069 i8042_noloop = true;
1071 if (dmi_check_system(i8042_dmi_nomux_table))
1074 if (dmi_check_system(i8042_dmi_notimeout_table))
1075 i8042_notimeout = true;
1077 if (dmi_check_system(i8042_dmi_dritek_table))
1078 i8042_dritek = true;
1080 if (dmi_check_system(i8042_dmi_kbdreset_table))
1081 i8042_kbdreset = true;
1084 * A20 was already enabled during early kernel init. But some buggy
1085 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1086 * resume from S3. So we do it here and hope that nothing breaks.
1088 i8042_command(&a20_on, 0x10d1);
1089 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1090 #endif /* CONFIG_X86 */
1095 static inline void i8042_platform_exit(void)
1100 #endif /* _I8042_X86IA64IO_H */