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"),
218 * Some Fujitsu notebooks are having trouble with touchpads if
219 * active multiplexing mode is activated. Luckily they don't have
220 * external PS/2 ports so we can safely disable it.
221 * ... apparently some Toshibas don't like MUX mode either and
222 * die horrible death on reboot.
224 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
226 /* Fujitsu Lifebook P7010/P7010D */
228 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
229 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
233 /* Fujitsu Lifebook P7010 */
235 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
236 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
240 /* Fujitsu Lifebook P5020D */
242 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
243 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
247 /* Fujitsu Lifebook S2000 */
249 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
250 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
254 /* Fujitsu Lifebook S6230 */
256 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
257 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
263 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
264 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
268 /* Fujitsu-Siemens Lifebook T3010 */
270 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
271 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
275 /* Fujitsu-Siemens Lifebook E4010 */
277 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
278 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
282 /* Fujitsu-Siemens Amilo Pro 2010 */
284 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
285 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
289 /* Fujitsu-Siemens Amilo Pro 2030 */
291 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
292 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
297 * No data is coming from the touchscreen unless KBC
300 /* Panasonic CF-29 */
302 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
303 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
308 * HP Pavilion DV4017EA -
309 * errors on MUX ports are reported without raising AUXDATA
310 * causing "spurious NAK" messages.
313 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
314 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
319 * HP Pavilion ZT1000 -
320 * like DV4017EA does not raise AUXERR for errors on MUX ports.
323 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
324 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
325 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
330 * HP Pavilion DV4270ca -
331 * like DV4017EA does not raise AUXERR for errors on MUX ports.
334 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
335 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
340 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
341 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
346 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
347 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
352 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
353 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
358 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
359 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
363 /* Sharp Actius MM20 */
365 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
366 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
370 /* Sony Vaio FS-115b */
372 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
373 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
378 * Sony Vaio FZ-240E -
379 * reset and GET ID commands issued via KBD port are
380 * sometimes being delivered to AUX3.
383 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
384 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
389 * Most (all?) VAIOs do not have external PS/2 ports nor
390 * they implement active multiplexing properly, and
391 * MUX discovery usually messes up keyboard/touchpad.
394 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
395 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
401 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
402 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
406 /* Lenovo 3000 n100 */
408 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
409 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
414 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
415 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
419 /* Acer Aspire 7738 */
421 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
422 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
426 /* Gericom Bellagio */
428 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
429 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
435 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
436 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
442 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
443 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
449 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
450 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
454 /* Dell Vostro 1510 */
456 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
457 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
461 /* Acer Aspire 5536 */
463 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
464 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
465 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
469 /* Dell Vostro V13 */
471 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
472 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
476 /* Newer HP Pavilion dv4 models */
478 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
479 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
483 /* Avatar AVIU-145A6 */
485 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
486 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
492 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
496 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
497 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
501 /* LG Electronics X110 */
503 DMI_MATCH(DMI_BOARD_NAME, "X110"),
504 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
508 /* Acer Aspire One 150 */
510 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
511 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
517 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
518 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
522 /* Medion Akoya Mini E1210 */
524 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
525 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
529 /* Medion Akoya E1222 */
531 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
532 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
538 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
539 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
543 /* Dell Vostro 1320 */
545 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
546 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
550 /* Dell Vostro 1520 */
552 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
553 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
557 /* Dell Vostro 1720 */
559 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
560 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
564 /* Lenovo Ideapad U455 */
566 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
567 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
574 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
576 /* Intel MBO Desktop D845PESV */
578 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
579 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
585 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
586 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
592 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
595 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
600 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
605 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
610 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
617 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
619 /* Dell Vostro V13 */
621 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
622 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
626 /* Newer HP Pavilion dv4 models */
628 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
629 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
633 /* Fujitsu A544 laptop */
634 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
636 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
637 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
641 /* Fujitsu AH544 laptop */
642 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
644 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
645 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
649 /* Fujitsu U574 laptop */
650 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
652 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
653 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
660 * Some Wistron based laptops need us to explicitly enable the 'Dritek
661 * keyboard extension' to make their extra keys start generating scancodes.
662 * Originally, this was just confined to older laptops, but a few Acer laptops
663 * have turned up in 2007 that also need this again.
665 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
667 /* Acer Aspire 5100 */
669 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
670 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
674 /* Acer Aspire 5610 */
676 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
677 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
681 /* Acer Aspire 5630 */
683 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
684 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
688 /* Acer Aspire 5650 */
690 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
691 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
695 /* Acer Aspire 5680 */
697 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
698 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
702 /* Acer Aspire 5720 */
704 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
705 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
709 /* Acer Aspire 9110 */
711 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
712 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
716 /* Acer TravelMate 660 */
718 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
719 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
723 /* Acer TravelMate 2490 */
725 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
726 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
730 /* Acer TravelMate 4280 */
732 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
733 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
740 * Some laptops need keyboard reset before probing for the trackpad to get
741 * it detected, initialised & finally work.
743 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
745 /* Gigabyte P35 v2 - Elantech touchpad */
747 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
748 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
752 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
754 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
755 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
759 /* Gigabyte P34 - Elantech touchpad */
761 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
762 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
768 #endif /* CONFIG_X86 */
771 #include <linux/pnp.h>
773 static bool i8042_pnp_kbd_registered;
774 static unsigned int i8042_pnp_kbd_devices;
775 static bool i8042_pnp_aux_registered;
776 static unsigned int i8042_pnp_aux_devices;
778 static int i8042_pnp_command_reg;
779 static int i8042_pnp_data_reg;
780 static int i8042_pnp_kbd_irq;
781 static int i8042_pnp_aux_irq;
783 static char i8042_pnp_kbd_name[32];
784 static char i8042_pnp_aux_name[32];
786 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
788 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
789 i8042_pnp_data_reg = pnp_port_start(dev,0);
791 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
792 i8042_pnp_command_reg = pnp_port_start(dev, 1);
794 if (pnp_irq_valid(dev,0))
795 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
797 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
798 if (strlen(pnp_dev_name(dev))) {
799 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
800 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
803 /* Keyboard ports are always supposed to be wakeup-enabled */
804 device_set_wakeup_enable(&dev->dev, true);
806 i8042_pnp_kbd_devices++;
810 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
812 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
813 i8042_pnp_data_reg = pnp_port_start(dev,0);
815 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
816 i8042_pnp_command_reg = pnp_port_start(dev, 1);
818 if (pnp_irq_valid(dev, 0))
819 i8042_pnp_aux_irq = pnp_irq(dev, 0);
821 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
822 if (strlen(pnp_dev_name(dev))) {
823 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
824 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
827 i8042_pnp_aux_devices++;
831 static struct pnp_device_id pnp_kbd_devids[] = {
832 { .id = "PNP0300", .driver_data = 0 },
833 { .id = "PNP0301", .driver_data = 0 },
834 { .id = "PNP0302", .driver_data = 0 },
835 { .id = "PNP0303", .driver_data = 0 },
836 { .id = "PNP0304", .driver_data = 0 },
837 { .id = "PNP0305", .driver_data = 0 },
838 { .id = "PNP0306", .driver_data = 0 },
839 { .id = "PNP0309", .driver_data = 0 },
840 { .id = "PNP030a", .driver_data = 0 },
841 { .id = "PNP030b", .driver_data = 0 },
842 { .id = "PNP0320", .driver_data = 0 },
843 { .id = "PNP0343", .driver_data = 0 },
844 { .id = "PNP0344", .driver_data = 0 },
845 { .id = "PNP0345", .driver_data = 0 },
846 { .id = "CPQA0D7", .driver_data = 0 },
849 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
851 static struct pnp_driver i8042_pnp_kbd_driver = {
853 .id_table = pnp_kbd_devids,
854 .probe = i8042_pnp_kbd_probe,
857 static struct pnp_device_id pnp_aux_devids[] = {
858 { .id = "AUI0200", .driver_data = 0 },
859 { .id = "FJC6000", .driver_data = 0 },
860 { .id = "FJC6001", .driver_data = 0 },
861 { .id = "PNP0f03", .driver_data = 0 },
862 { .id = "PNP0f0b", .driver_data = 0 },
863 { .id = "PNP0f0e", .driver_data = 0 },
864 { .id = "PNP0f12", .driver_data = 0 },
865 { .id = "PNP0f13", .driver_data = 0 },
866 { .id = "PNP0f19", .driver_data = 0 },
867 { .id = "PNP0f1c", .driver_data = 0 },
868 { .id = "SYN0801", .driver_data = 0 },
871 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
873 static struct pnp_driver i8042_pnp_aux_driver = {
875 .id_table = pnp_aux_devids,
876 .probe = i8042_pnp_aux_probe,
879 static void i8042_pnp_exit(void)
881 if (i8042_pnp_kbd_registered) {
882 i8042_pnp_kbd_registered = false;
883 pnp_unregister_driver(&i8042_pnp_kbd_driver);
886 if (i8042_pnp_aux_registered) {
887 i8042_pnp_aux_registered = false;
888 pnp_unregister_driver(&i8042_pnp_aux_driver);
892 static int __init i8042_pnp_init(void)
894 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
895 bool pnp_data_busted = false;
899 if (dmi_check_system(i8042_dmi_nopnp_table))
904 pr_info("PNP detection disabled\n");
908 err = pnp_register_driver(&i8042_pnp_kbd_driver);
910 i8042_pnp_kbd_registered = true;
912 err = pnp_register_driver(&i8042_pnp_aux_driver);
914 i8042_pnp_aux_registered = true;
916 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
918 #if defined(__ia64__)
921 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
926 if (i8042_pnp_kbd_devices)
927 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
928 "%d", i8042_pnp_kbd_irq);
929 if (i8042_pnp_aux_devices)
930 snprintf(aux_irq_str, sizeof(aux_irq_str),
931 "%d", i8042_pnp_aux_irq);
933 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
934 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
936 i8042_pnp_data_reg, i8042_pnp_command_reg,
937 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
940 #if defined(__ia64__)
941 if (!i8042_pnp_kbd_devices)
943 if (!i8042_pnp_aux_devices)
947 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
948 i8042_pnp_data_reg != i8042_data_reg) ||
949 !i8042_pnp_data_reg) {
950 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
951 i8042_pnp_data_reg, i8042_data_reg);
952 i8042_pnp_data_reg = i8042_data_reg;
953 pnp_data_busted = true;
956 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
957 i8042_pnp_command_reg != i8042_command_reg) ||
958 !i8042_pnp_command_reg) {
959 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
960 i8042_pnp_command_reg, i8042_command_reg);
961 i8042_pnp_command_reg = i8042_command_reg;
962 pnp_data_busted = true;
965 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
966 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
968 i8042_pnp_kbd_irq = i8042_kbd_irq;
969 pnp_data_busted = true;
972 if (!i8042_noaux && !i8042_pnp_aux_irq) {
973 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
974 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
975 "if this is incorrect please boot with i8042.nopnp\n");
978 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
980 i8042_pnp_aux_irq = i8042_aux_irq;
984 i8042_data_reg = i8042_pnp_data_reg;
985 i8042_command_reg = i8042_pnp_command_reg;
986 i8042_kbd_irq = i8042_pnp_kbd_irq;
987 i8042_aux_irq = i8042_pnp_aux_irq;
990 i8042_bypass_aux_irq_test = !pnp_data_busted &&
991 dmi_check_system(i8042_dmi_laptop_table);
998 static inline int i8042_pnp_init(void) { return 0; }
999 static inline void i8042_pnp_exit(void) { }
1002 static int __init i8042_platform_init(void)
1008 /* Just return if pre-detection shows no i8042 controller exist */
1009 if (!x86_platform.i8042_detect())
1014 * On ix86 platforms touching the i8042 data register region can do really
1015 * bad things. Because of this the region is always reserved on ix86 boxes.
1017 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1021 i8042_kbd_irq = I8042_MAP_IRQ(1);
1022 i8042_aux_irq = I8042_MAP_IRQ(12);
1024 retval = i8042_pnp_init();
1028 #if defined(__ia64__)
1033 if (dmi_check_system(i8042_dmi_reset_table))
1036 if (dmi_check_system(i8042_dmi_noloop_table))
1037 i8042_noloop = true;
1039 if (dmi_check_system(i8042_dmi_nomux_table))
1042 if (dmi_check_system(i8042_dmi_notimeout_table))
1043 i8042_notimeout = true;
1045 if (dmi_check_system(i8042_dmi_dritek_table))
1046 i8042_dritek = true;
1048 if (dmi_check_system(i8042_dmi_kbdreset_table))
1049 i8042_kbdreset = true;
1052 * A20 was already enabled during early kernel init. But some buggy
1053 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1054 * resume from S3. So we do it here and hope that nothing breaks.
1056 i8042_command(&a20_on, 0x10d1);
1057 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1058 #endif /* CONFIG_X86 */
1063 static inline void i8042_platform_exit(void)
1068 #endif /* _I8042_X86IA64IO_H */