sched: Remove double_rq_lock() from __migrate_task()
[linux/fpc-iii.git] / drivers / input / serio / i8042-x86ia64io.h
blob136b7b204f56c8d111812559384d6acd8e732514
1 #ifndef _I8042_X86IA64IO_H
2 #define _I8042_X86IA64IO_H
4 /*
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.
8 */
10 #ifdef CONFIG_X86
11 #include <asm/x86_init.h>
12 #endif
15 * Names.
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"
23 * IRQs.
26 #if defined(__ia64__)
27 # define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
28 #else
29 # define I8042_MAP_IRQ(x) (x)
30 #endif
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;
39 * Register numbers.
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);
70 #ifdef CONFIG_X86
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
80 .matches = {
81 DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
82 DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
83 DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
87 /* ASUS G1S */
88 .matches = {
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 */
96 .matches = {
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"),
103 .matches = {
104 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
105 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
106 DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
110 .matches = {
111 DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
112 DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
113 DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
117 /* OQO Model 01 */
118 .matches = {
119 DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
120 DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
121 DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
125 /* ULI EV4873 - AUX LOOP does not work properly */
126 .matches = {
127 DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
128 DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
129 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
133 /* Microsoft Virtual Machine */
134 .matches = {
135 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
136 DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
137 DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
141 /* Medion MAM 2070 */
142 .matches = {
143 DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
144 DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
145 DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
149 /* Blue FB5601 */
150 .matches = {
151 DMI_MATCH(DMI_SYS_VENDOR, "blue"),
152 DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
153 DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
157 /* Gigabyte M912 */
158 .matches = {
159 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
160 DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
161 DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
165 /* Gigabyte M1022M netbook */
166 .matches = {
167 DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
168 DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
169 DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
173 /* Gigabyte Spring Peak - defines wrong chassis type */
174 .matches = {
175 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
176 DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
180 /* Gigabyte T1005 - defines wrong chassis type ("Other") */
181 .matches = {
182 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
183 DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
187 /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
188 .matches = {
189 DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
190 DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
194 .matches = {
195 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
196 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
197 DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
204 * Some Fujitsu notebooks are having trouble with touchpads if
205 * active multiplexing mode is activated. Luckily they don't have
206 * external PS/2 ports so we can safely disable it.
207 * ... apparently some Toshibas don't like MUX mode either and
208 * die horrible death on reboot.
210 static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
212 /* Fujitsu Lifebook P7010/P7010D */
213 .matches = {
214 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
215 DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
219 /* Fujitsu Lifebook P7010 */
220 .matches = {
221 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
222 DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
226 /* Fujitsu Lifebook P5020D */
227 .matches = {
228 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
229 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
233 /* Fujitsu Lifebook S2000 */
234 .matches = {
235 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
236 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
240 /* Fujitsu Lifebook S6230 */
241 .matches = {
242 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
243 DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
247 /* Fujitsu T70H */
248 .matches = {
249 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
250 DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
254 /* Fujitsu-Siemens Lifebook T3010 */
255 .matches = {
256 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
257 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
261 /* Fujitsu-Siemens Lifebook E4010 */
262 .matches = {
263 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
264 DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
268 /* Fujitsu-Siemens Amilo Pro 2010 */
269 .matches = {
270 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
271 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
275 /* Fujitsu-Siemens Amilo Pro 2030 */
276 .matches = {
277 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
278 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
283 * No data is coming from the touchscreen unless KBC
284 * is in legacy mode.
286 /* Panasonic CF-29 */
287 .matches = {
288 DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
289 DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
294 * HP Pavilion DV4017EA -
295 * errors on MUX ports are reported without raising AUXDATA
296 * causing "spurious NAK" messages.
298 .matches = {
299 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
300 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
305 * HP Pavilion ZT1000 -
306 * like DV4017EA does not raise AUXERR for errors on MUX ports.
308 .matches = {
309 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
310 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
311 DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
316 * HP Pavilion DV4270ca -
317 * like DV4017EA does not raise AUXERR for errors on MUX ports.
319 .matches = {
320 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
321 DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
325 .matches = {
326 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
327 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
331 .matches = {
332 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
333 DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
337 .matches = {
338 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
339 DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
343 .matches = {
344 DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
345 DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
349 /* Sharp Actius MM20 */
350 .matches = {
351 DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
352 DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
356 /* Sony Vaio FS-115b */
357 .matches = {
358 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
359 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
364 * Sony Vaio FZ-240E -
365 * reset and GET ID commands issued via KBD port are
366 * sometimes being delivered to AUX3.
368 .matches = {
369 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
370 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
375 * Most (all?) VAIOs do not have external PS/2 ports nor
376 * they implement active multiplexing properly, and
377 * MUX discovery usually messes up keyboard/touchpad.
379 .matches = {
380 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
381 DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
385 /* Amoi M636/A737 */
386 .matches = {
387 DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
388 DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
392 /* Lenovo 3000 n100 */
393 .matches = {
394 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
395 DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
399 .matches = {
400 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
401 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
405 /* Acer Aspire 5710 */
406 .matches = {
407 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
408 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
412 /* Gericom Bellagio */
413 .matches = {
414 DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
415 DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
419 /* IBM 2656 */
420 .matches = {
421 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
422 DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
426 /* Dell XPS M1530 */
427 .matches = {
428 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
429 DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
433 /* Compal HEL80I */
434 .matches = {
435 DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
436 DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
440 /* Dell Vostro 1510 */
441 .matches = {
442 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
443 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
447 /* Acer Aspire 5536 */
448 .matches = {
449 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
450 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
451 DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
455 /* Dell Vostro V13 */
456 .matches = {
457 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
458 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
462 /* Newer HP Pavilion dv4 models */
463 .matches = {
464 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
465 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
471 static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
473 /* MSI Wind U-100 */
474 .matches = {
475 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
476 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
480 /* LG Electronics X110 */
481 .matches = {
482 DMI_MATCH(DMI_BOARD_NAME, "X110"),
483 DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
487 /* Acer Aspire One 150 */
488 .matches = {
489 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
490 DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
494 /* Advent 4211 */
495 .matches = {
496 DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
497 DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
501 /* Medion Akoya Mini E1210 */
502 .matches = {
503 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
504 DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
508 /* Medion Akoya E1222 */
509 .matches = {
510 DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
511 DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
515 /* Mivvy M310 */
516 .matches = {
517 DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
518 DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
522 /* Dell Vostro 1320 */
523 .matches = {
524 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
525 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
529 /* Dell Vostro 1520 */
530 .matches = {
531 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
532 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
536 /* Dell Vostro 1720 */
537 .matches = {
538 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
539 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
543 /* Lenovo Ideapad U455 */
544 .matches = {
545 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
546 DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
552 #ifdef CONFIG_PNP
553 static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
555 /* Intel MBO Desktop D845PESV */
556 .matches = {
557 DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
558 DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
562 /* MSI Wind U-100 */
563 .matches = {
564 DMI_MATCH(DMI_BOARD_NAME, "U-100"),
565 DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
571 static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
573 .matches = {
574 DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
578 .matches = {
579 DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
583 .matches = {
584 DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
588 .matches = {
589 DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
594 #endif
596 static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
598 /* Dell Vostro V13 */
599 .matches = {
600 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
601 DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
605 /* Newer HP Pavilion dv4 models */
606 .matches = {
607 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
608 DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
615 * Some Wistron based laptops need us to explicitly enable the 'Dritek
616 * keyboard extension' to make their extra keys start generating scancodes.
617 * Originally, this was just confined to older laptops, but a few Acer laptops
618 * have turned up in 2007 that also need this again.
620 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
622 /* Acer Aspire 5100 */
623 .matches = {
624 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
625 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
629 /* Acer Aspire 5610 */
630 .matches = {
631 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
632 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
636 /* Acer Aspire 5630 */
637 .matches = {
638 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
639 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
643 /* Acer Aspire 5650 */
644 .matches = {
645 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
646 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
650 /* Acer Aspire 5680 */
651 .matches = {
652 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
653 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
657 /* Acer Aspire 5720 */
658 .matches = {
659 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
660 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
664 /* Acer Aspire 9110 */
665 .matches = {
666 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
667 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
671 /* Acer TravelMate 660 */
672 .matches = {
673 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
674 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
678 /* Acer TravelMate 2490 */
679 .matches = {
680 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
681 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
685 /* Acer TravelMate 4280 */
686 .matches = {
687 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
688 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
694 #endif /* CONFIG_X86 */
696 #ifdef CONFIG_PNP
697 #include <linux/pnp.h>
699 static bool i8042_pnp_kbd_registered;
700 static unsigned int i8042_pnp_kbd_devices;
701 static bool i8042_pnp_aux_registered;
702 static unsigned int i8042_pnp_aux_devices;
704 static int i8042_pnp_command_reg;
705 static int i8042_pnp_data_reg;
706 static int i8042_pnp_kbd_irq;
707 static int i8042_pnp_aux_irq;
709 static char i8042_pnp_kbd_name[32];
710 static char i8042_pnp_aux_name[32];
712 static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
714 strlcpy(dst, "PNP:", dst_size);
716 while (id) {
717 strlcat(dst, " ", dst_size);
718 strlcat(dst, id->id, dst_size);
719 id = id->next;
723 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
725 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
726 i8042_pnp_data_reg = pnp_port_start(dev,0);
728 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
729 i8042_pnp_command_reg = pnp_port_start(dev, 1);
731 if (pnp_irq_valid(dev,0))
732 i8042_pnp_kbd_irq = pnp_irq(dev, 0);
734 strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
735 if (strlen(pnp_dev_name(dev))) {
736 strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
737 strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
739 i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
740 sizeof(i8042_kbd_firmware_id));
742 /* Keyboard ports are always supposed to be wakeup-enabled */
743 device_set_wakeup_enable(&dev->dev, true);
745 i8042_pnp_kbd_devices++;
746 return 0;
749 static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
751 if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
752 i8042_pnp_data_reg = pnp_port_start(dev,0);
754 if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
755 i8042_pnp_command_reg = pnp_port_start(dev, 1);
757 if (pnp_irq_valid(dev, 0))
758 i8042_pnp_aux_irq = pnp_irq(dev, 0);
760 strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
761 if (strlen(pnp_dev_name(dev))) {
762 strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
763 strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
765 i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
766 sizeof(i8042_aux_firmware_id));
768 i8042_pnp_aux_devices++;
769 return 0;
772 static struct pnp_device_id pnp_kbd_devids[] = {
773 { .id = "PNP0300", .driver_data = 0 },
774 { .id = "PNP0301", .driver_data = 0 },
775 { .id = "PNP0302", .driver_data = 0 },
776 { .id = "PNP0303", .driver_data = 0 },
777 { .id = "PNP0304", .driver_data = 0 },
778 { .id = "PNP0305", .driver_data = 0 },
779 { .id = "PNP0306", .driver_data = 0 },
780 { .id = "PNP0309", .driver_data = 0 },
781 { .id = "PNP030a", .driver_data = 0 },
782 { .id = "PNP030b", .driver_data = 0 },
783 { .id = "PNP0320", .driver_data = 0 },
784 { .id = "PNP0343", .driver_data = 0 },
785 { .id = "PNP0344", .driver_data = 0 },
786 { .id = "PNP0345", .driver_data = 0 },
787 { .id = "CPQA0D7", .driver_data = 0 },
788 { .id = "", },
790 MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
792 static struct pnp_driver i8042_pnp_kbd_driver = {
793 .name = "i8042 kbd",
794 .id_table = pnp_kbd_devids,
795 .probe = i8042_pnp_kbd_probe,
798 static struct pnp_device_id pnp_aux_devids[] = {
799 { .id = "AUI0200", .driver_data = 0 },
800 { .id = "FJC6000", .driver_data = 0 },
801 { .id = "FJC6001", .driver_data = 0 },
802 { .id = "PNP0f03", .driver_data = 0 },
803 { .id = "PNP0f0b", .driver_data = 0 },
804 { .id = "PNP0f0e", .driver_data = 0 },
805 { .id = "PNP0f12", .driver_data = 0 },
806 { .id = "PNP0f13", .driver_data = 0 },
807 { .id = "PNP0f19", .driver_data = 0 },
808 { .id = "PNP0f1c", .driver_data = 0 },
809 { .id = "SYN0801", .driver_data = 0 },
810 { .id = "", },
812 MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
814 static struct pnp_driver i8042_pnp_aux_driver = {
815 .name = "i8042 aux",
816 .id_table = pnp_aux_devids,
817 .probe = i8042_pnp_aux_probe,
820 static void i8042_pnp_exit(void)
822 if (i8042_pnp_kbd_registered) {
823 i8042_pnp_kbd_registered = false;
824 pnp_unregister_driver(&i8042_pnp_kbd_driver);
827 if (i8042_pnp_aux_registered) {
828 i8042_pnp_aux_registered = false;
829 pnp_unregister_driver(&i8042_pnp_aux_driver);
833 static int __init i8042_pnp_init(void)
835 char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
836 bool pnp_data_busted = false;
837 int err;
839 #ifdef CONFIG_X86
840 if (dmi_check_system(i8042_dmi_nopnp_table))
841 i8042_nopnp = true;
842 #endif
844 if (i8042_nopnp) {
845 pr_info("PNP detection disabled\n");
846 return 0;
849 err = pnp_register_driver(&i8042_pnp_kbd_driver);
850 if (!err)
851 i8042_pnp_kbd_registered = true;
853 err = pnp_register_driver(&i8042_pnp_aux_driver);
854 if (!err)
855 i8042_pnp_aux_registered = true;
857 if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
858 i8042_pnp_exit();
859 #if defined(__ia64__)
860 return -ENODEV;
861 #else
862 pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
863 return 0;
864 #endif
867 if (i8042_pnp_kbd_devices)
868 snprintf(kbd_irq_str, sizeof(kbd_irq_str),
869 "%d", i8042_pnp_kbd_irq);
870 if (i8042_pnp_aux_devices)
871 snprintf(aux_irq_str, sizeof(aux_irq_str),
872 "%d", i8042_pnp_aux_irq);
874 pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
875 i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
876 i8042_pnp_aux_name,
877 i8042_pnp_data_reg, i8042_pnp_command_reg,
878 kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
879 aux_irq_str);
881 #if defined(__ia64__)
882 if (!i8042_pnp_kbd_devices)
883 i8042_nokbd = true;
884 if (!i8042_pnp_aux_devices)
885 i8042_noaux = true;
886 #endif
888 if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
889 i8042_pnp_data_reg != i8042_data_reg) ||
890 !i8042_pnp_data_reg) {
891 pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
892 i8042_pnp_data_reg, i8042_data_reg);
893 i8042_pnp_data_reg = i8042_data_reg;
894 pnp_data_busted = true;
897 if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
898 i8042_pnp_command_reg != i8042_command_reg) ||
899 !i8042_pnp_command_reg) {
900 pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
901 i8042_pnp_command_reg, i8042_command_reg);
902 i8042_pnp_command_reg = i8042_command_reg;
903 pnp_data_busted = true;
906 if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
907 pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
908 i8042_kbd_irq);
909 i8042_pnp_kbd_irq = i8042_kbd_irq;
910 pnp_data_busted = true;
913 if (!i8042_noaux && !i8042_pnp_aux_irq) {
914 if (!pnp_data_busted && i8042_pnp_kbd_irq) {
915 pr_warn("PNP: PS/2 appears to have AUX port disabled, "
916 "if this is incorrect please boot with i8042.nopnp\n");
917 i8042_noaux = true;
918 } else {
919 pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n",
920 i8042_aux_irq);
921 i8042_pnp_aux_irq = i8042_aux_irq;
925 i8042_data_reg = i8042_pnp_data_reg;
926 i8042_command_reg = i8042_pnp_command_reg;
927 i8042_kbd_irq = i8042_pnp_kbd_irq;
928 i8042_aux_irq = i8042_pnp_aux_irq;
930 #ifdef CONFIG_X86
931 i8042_bypass_aux_irq_test = !pnp_data_busted &&
932 dmi_check_system(i8042_dmi_laptop_table);
933 #endif
935 return 0;
938 #else
939 static inline int i8042_pnp_init(void) { return 0; }
940 static inline void i8042_pnp_exit(void) { }
941 #endif
943 static int __init i8042_platform_init(void)
945 int retval;
947 #ifdef CONFIG_X86
948 u8 a20_on = 0xdf;
949 /* Just return if pre-detection shows no i8042 controller exist */
950 if (!x86_platform.i8042_detect())
951 return -ENODEV;
952 #endif
955 * On ix86 platforms touching the i8042 data register region can do really
956 * bad things. Because of this the region is always reserved on ix86 boxes.
958 * if (!request_region(I8042_DATA_REG, 16, "i8042"))
959 * return -EBUSY;
962 i8042_kbd_irq = I8042_MAP_IRQ(1);
963 i8042_aux_irq = I8042_MAP_IRQ(12);
965 retval = i8042_pnp_init();
966 if (retval)
967 return retval;
969 #if defined(__ia64__)
970 i8042_reset = true;
971 #endif
973 #ifdef CONFIG_X86
974 if (dmi_check_system(i8042_dmi_reset_table))
975 i8042_reset = true;
977 if (dmi_check_system(i8042_dmi_noloop_table))
978 i8042_noloop = true;
980 if (dmi_check_system(i8042_dmi_nomux_table))
981 i8042_nomux = true;
983 if (dmi_check_system(i8042_dmi_notimeout_table))
984 i8042_notimeout = true;
986 if (dmi_check_system(i8042_dmi_dritek_table))
987 i8042_dritek = true;
990 * A20 was already enabled during early kernel init. But some buggy
991 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
992 * resume from S3. So we do it here and hope that nothing breaks.
994 i8042_command(&a20_on, 0x10d1);
995 i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
996 #endif /* CONFIG_X86 */
998 return retval;
1001 static inline void i8042_platform_exit(void)
1003 i8042_pnp_exit();
1006 #endif /* _I8042_X86IA64IO_H */