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"),
261 /* Fujitsu Lifebook U745 */
263 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
264 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
270 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
271 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
275 /* Fujitsu-Siemens Lifebook T3010 */
277 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
278 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
282 /* Fujitsu-Siemens Lifebook E4010 */
284 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
285 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
289 /* Fujitsu-Siemens Amilo Pro 2010 */
291 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
292 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
296 /* Fujitsu-Siemens Amilo Pro 2030 */
298 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
299 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
304 * No data is coming from the touchscreen unless KBC
307 /* Panasonic CF-29 */
309 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
310 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
315 * HP Pavilion DV4017EA -
316 * errors on MUX ports are reported without raising AUXDATA
317 * causing "spurious NAK" messages.
320 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
321 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
326 * HP Pavilion ZT1000 -
327 * like DV4017EA does not raise AUXERR for errors on MUX ports.
330 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
331 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
332 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
337 * HP Pavilion DV4270ca -
338 * like DV4017EA does not raise AUXERR for errors on MUX ports.
341 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
342 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
347 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
348 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
353 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
354 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
359 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
360 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
365 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
366 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
370 /* Sharp Actius MM20 */
372 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
373 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
377 /* Sony Vaio FS-115b */
379 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
380 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
385 * Sony Vaio FZ-240E -
386 * reset and GET ID commands issued via KBD port are
387 * sometimes being delivered to AUX3.
390 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
391 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
396 * Most (all?) VAIOs do not have external PS/2 ports nor
397 * they implement active multiplexing properly, and
398 * MUX discovery usually messes up keyboard/touchpad.
401 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
402 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
408 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
409 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
413 /* Lenovo 3000 n100 */
415 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
416 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
421 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
422 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
426 /* Acer Aspire 5710 */
428 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
429 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
433 /* Acer Aspire 7738 */
435 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
436 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
440 /* Gericom Bellagio */
442 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
443 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
449 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
450 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
456 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
457 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
463 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
464 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
468 /* Dell Vostro 1510 */
470 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
471 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
475 /* Acer Aspire 5536 */
477 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
478 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
479 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
483 /* Dell Vostro V13 */
485 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
486 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
490 /* Newer HP Pavilion dv4 models */
492 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
493 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
499 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
500 DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
504 /* Avatar AVIU-145A6 */
506 DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
507 DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
514 * On some Asus laptops, just running self tests cause problems.
516 static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
519 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
520 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
525 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
529 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
530 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
534 /* LG Electronics X110 */
536 DMI_MATCH(DMI_BOARD_NAME, "X110"),
537 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
541 /* Acer Aspire One 150 */
543 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
544 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
550 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
551 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
555 /* Medion Akoya Mini E1210 */
557 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
558 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
562 /* Medion Akoya E1222 */
564 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
565 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
571 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
572 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
576 /* Dell Vostro 1320 */
578 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
579 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
583 /* Dell Vostro 1520 */
585 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
586 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
590 /* Dell Vostro 1720 */
592 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
593 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
597 /* Lenovo Ideapad U455 */
599 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
600 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
607 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
609 /* Intel MBO Desktop D845PESV */
611 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
612 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
617 * Intel NUC D54250WYK - does not have i8042 controller but
618 * declares PS/2 devices in DSDT.
621 DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
622 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
628 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
629 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
635 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
638 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
643 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
648 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
653 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
660 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
662 /* Dell Vostro V13 */
664 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
665 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
669 /* Newer HP Pavilion dv4 models */
671 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
672 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
676 /* Fujitsu A544 laptop */
677 /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
679 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
680 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
684 /* Fujitsu AH544 laptop */
685 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
687 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
688 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
692 /* Fujitsu U574 laptop */
693 /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
695 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
696 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
703 * Some Wistron based laptops need us to explicitly enable the 'Dritek
704 * keyboard extension' to make their extra keys start generating scancodes.
705 * Originally, this was just confined to older laptops, but a few Acer laptops
706 * have turned up in 2007 that also need this again.
708 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
710 /* Acer Aspire 5100 */
712 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
713 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
717 /* Acer Aspire 5610 */
719 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
720 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
724 /* Acer Aspire 5630 */
726 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
727 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
731 /* Acer Aspire 5650 */
733 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
734 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
738 /* Acer Aspire 5680 */
740 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
741 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
745 /* Acer Aspire 5720 */
747 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
748 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
752 /* Acer Aspire 9110 */
754 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
755 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
759 /* Acer TravelMate 660 */
761 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
762 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
766 /* Acer TravelMate 2490 */
768 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
769 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
773 /* Acer TravelMate 4280 */
775 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
776 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
783 * Some laptops need keyboard reset before probing for the trackpad to get
784 * it detected, initialised & finally work.
786 static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
788 /* Gigabyte P35 v2 - Elantech touchpad */
790 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
791 DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
795 /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
797 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
798 DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
802 /* Gigabyte P34 - Elantech touchpad */
804 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
805 DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
809 /* Schenker XMG C504 - Elantech touchpad */
811 DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
812 DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
818 #endif /* CONFIG_X86 */
821 #include <linux/pnp.h>
823 static bool i8042_pnp_kbd_registered;
824 static unsigned int i8042_pnp_kbd_devices;
825 static bool i8042_pnp_aux_registered;
826 static unsigned int i8042_pnp_aux_devices;
828 static int i8042_pnp_command_reg;
829 static int i8042_pnp_data_reg;
830 static int i8042_pnp_kbd_irq;
831 static int i8042_pnp_aux_irq;
833 static char i8042_pnp_kbd_name[32];
834 static char i8042_pnp_aux_name[32];
836 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
838 strlcpy(dst, "PNP:", dst_size);
841 strlcat(dst, " ", dst_size);
842 strlcat(dst, id->id, dst_size);
847 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
849 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
850 i8042_pnp_data_reg = pnp_port_start(dev,0);
852 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
853 i8042_pnp_command_reg = pnp_port_start(dev, 1);
855 if (pnp_irq_valid(dev,0))
856 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
858 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
859 if (strlen(pnp_dev_name(dev))) {
860 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
861 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
863 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
864 sizeof(i8042_kbd_firmware_id));
866 /* Keyboard ports are always supposed to be wakeup-enabled */
867 device_set_wakeup_enable(&dev->dev, true);
869 i8042_pnp_kbd_devices++;
873 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
875 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
876 i8042_pnp_data_reg = pnp_port_start(dev,0);
878 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
879 i8042_pnp_command_reg = pnp_port_start(dev, 1);
881 if (pnp_irq_valid(dev, 0))
882 i8042_pnp_aux_irq = pnp_irq(dev, 0);
884 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
885 if (strlen(pnp_dev_name(dev))) {
886 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
887 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
889 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
890 sizeof(i8042_aux_firmware_id));
892 i8042_pnp_aux_devices++;
896 static struct pnp_device_id pnp_kbd_devids[] = {
897 { .id = "PNP0300", .driver_data = 0 },
898 { .id = "PNP0301", .driver_data = 0 },
899 { .id = "PNP0302", .driver_data = 0 },
900 { .id = "PNP0303", .driver_data = 0 },
901 { .id = "PNP0304", .driver_data = 0 },
902 { .id = "PNP0305", .driver_data = 0 },
903 { .id = "PNP0306", .driver_data = 0 },
904 { .id = "PNP0309", .driver_data = 0 },
905 { .id = "PNP030a", .driver_data = 0 },
906 { .id = "PNP030b", .driver_data = 0 },
907 { .id = "PNP0320", .driver_data = 0 },
908 { .id = "PNP0343", .driver_data = 0 },
909 { .id = "PNP0344", .driver_data = 0 },
910 { .id = "PNP0345", .driver_data = 0 },
911 { .id = "CPQA0D7", .driver_data = 0 },
914 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
916 static struct pnp_driver i8042_pnp_kbd_driver = {
918 .id_table = pnp_kbd_devids,
919 .probe = i8042_pnp_kbd_probe,
922 static struct pnp_device_id pnp_aux_devids[] = {
923 { .id = "AUI0200", .driver_data = 0 },
924 { .id = "FJC6000", .driver_data = 0 },
925 { .id = "FJC6001", .driver_data = 0 },
926 { .id = "PNP0f03", .driver_data = 0 },
927 { .id = "PNP0f0b", .driver_data = 0 },
928 { .id = "PNP0f0e", .driver_data = 0 },
929 { .id = "PNP0f12", .driver_data = 0 },
930 { .id = "PNP0f13", .driver_data = 0 },
931 { .id = "PNP0f19", .driver_data = 0 },
932 { .id = "PNP0f1c", .driver_data = 0 },
933 { .id = "SYN0801", .driver_data = 0 },
936 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
938 static struct pnp_driver i8042_pnp_aux_driver = {
940 .id_table = pnp_aux_devids,
941 .probe = i8042_pnp_aux_probe,
944 static void i8042_pnp_exit(void)
946 if (i8042_pnp_kbd_registered) {
947 i8042_pnp_kbd_registered = false;
948 pnp_unregister_driver(&i8042_pnp_kbd_driver);
951 if (i8042_pnp_aux_registered) {
952 i8042_pnp_aux_registered = false;
953 pnp_unregister_driver(&i8042_pnp_aux_driver);
957 static int __init i8042_pnp_init(void)
959 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
960 bool pnp_data_busted = false;
964 if (dmi_check_system(i8042_dmi_nopnp_table))
969 pr_info("PNP detection disabled\n");
973 err = pnp_register_driver(&i8042_pnp_kbd_driver);
975 i8042_pnp_kbd_registered = true;
977 err = pnp_register_driver(&i8042_pnp_aux_driver);
979 i8042_pnp_aux_registered = true;
981 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
983 #if defined(__ia64__)
986 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
991 if (i8042_pnp_kbd_devices)
992 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
993 "%d", i8042_pnp_kbd_irq);
994 if (i8042_pnp_aux_devices)
995 snprintf(aux_irq_str, sizeof(aux_irq_str),
996 "%d", i8042_pnp_aux_irq);
998 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
999 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1001 i8042_pnp_data_reg, i8042_pnp_command_reg,
1002 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
1005 #if defined(__ia64__)
1006 if (!i8042_pnp_kbd_devices)
1008 if (!i8042_pnp_aux_devices)
1012 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
1013 i8042_pnp_data_reg != i8042_data_reg) ||
1014 !i8042_pnp_data_reg) {
1015 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
1016 i8042_pnp_data_reg, i8042_data_reg);
1017 i8042_pnp_data_reg = i8042_data_reg;
1018 pnp_data_busted = true;
1021 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
1022 i8042_pnp_command_reg != i8042_command_reg) ||
1023 !i8042_pnp_command_reg) {
1024 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
1025 i8042_pnp_command_reg, i8042_command_reg);
1026 i8042_pnp_command_reg = i8042_command_reg;
1027 pnp_data_busted = true;
1030 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
1031 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
1033 i8042_pnp_kbd_irq = i8042_kbd_irq;
1034 pnp_data_busted = true;
1037 if (!i8042_noaux && !i8042_pnp_aux_irq) {
1038 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
1039 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
1040 "if this is incorrect please boot with i8042.nopnp\n");
1043 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
1045 i8042_pnp_aux_irq = i8042_aux_irq;
1049 i8042_data_reg = i8042_pnp_data_reg;
1050 i8042_command_reg = i8042_pnp_command_reg;
1051 i8042_kbd_irq = i8042_pnp_kbd_irq;
1052 i8042_aux_irq = i8042_pnp_aux_irq;
1055 i8042_bypass_aux_irq_test = !pnp_data_busted &&
1056 dmi_check_system(i8042_dmi_laptop_table);
1062 #else /* !CONFIG_PNP */
1063 static inline int i8042_pnp_init(void) { return 0; }
1064 static inline void i8042_pnp_exit(void) { }
1065 #endif /* CONFIG_PNP */
1067 static int __init i8042_platform_init(void)
1073 /* Just return if pre-detection shows no i8042 controller exist */
1074 if (!x86_platform.i8042_detect())
1079 * On ix86 platforms touching the i8042 data register region can do really
1080 * bad things. Because of this the region is always reserved on ix86 boxes.
1082 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
1086 i8042_kbd_irq = I8042_MAP_IRQ(1);
1087 i8042_aux_irq = I8042_MAP_IRQ(12);
1089 retval = i8042_pnp_init();
1093 #if defined(__ia64__)
1094 i8042_reset = I8042_RESET_ALWAYS;
1098 /* Honor module parameter when value is not default */
1099 if (i8042_reset == I8042_RESET_DEFAULT) {
1100 if (dmi_check_system(i8042_dmi_reset_table))
1101 i8042_reset = I8042_RESET_ALWAYS;
1103 if (dmi_check_system(i8042_dmi_noselftest_table))
1104 i8042_reset = I8042_RESET_NEVER;
1107 if (dmi_check_system(i8042_dmi_noloop_table))
1108 i8042_noloop = true;
1110 if (dmi_check_system(i8042_dmi_nomux_table))
1113 if (dmi_check_system(i8042_dmi_notimeout_table))
1114 i8042_notimeout = true;
1116 if (dmi_check_system(i8042_dmi_dritek_table))
1117 i8042_dritek = true;
1119 if (dmi_check_system(i8042_dmi_kbdreset_table))
1120 i8042_kbdreset = true;
1123 * A20 was already enabled during early kernel init. But some buggy
1124 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
1125 * resume from S3. So we do it here and hope that nothing breaks.
1127 i8042_command(&a20_on, 0x10d1);
1128 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
1129 #endif /* CONFIG_X86 */
1134 static inline void i8042_platform_exit(void)
1139 #endif /* _I8042_X86IA64IO_H */