2 * Wistron laptop button driver
3 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
4 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
5 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
7 * You can redistribute and/or modify this program under the terms of the
8 * GNU General Public License version 2 as published by the Free Software
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
14 * Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
21 #include <linux/dmi.h>
22 #include <linux/init.h>
23 #include <linux/input-polldev.h>
24 #include <linux/interrupt.h>
25 #include <linux/jiffies.h>
26 #include <linux/kernel.h>
27 #include <linux/mc146818rtc.h>
28 #include <linux/module.h>
29 #include <linux/preempt.h>
30 #include <linux/string.h>
31 #include <linux/types.h>
32 #include <linux/platform_device.h>
33 #include <linux/leds.h>
35 /* How often we poll keys - msecs */
36 #define POLL_INTERVAL_DEFAULT 500 /* when idle */
37 #define POLL_INTERVAL_BURST 100 /* when a key was recently pressed */
39 /* BIOS subsystem IDs */
41 #define BLUETOOTH 0x34
44 MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
45 MODULE_DESCRIPTION("Wistron laptop button driver");
46 MODULE_LICENSE("GPL v2");
47 MODULE_VERSION("0.3");
49 static int force; /* = 0; */
50 module_param(force, bool, 0);
51 MODULE_PARM_DESC(force, "Load even if computer is not in database");
53 static char *keymap_name; /* = NULL; */
54 module_param_named(keymap, keymap_name, charp, 0);
55 MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected [generic, 1557/MS2141]");
57 static struct platform_device *wistron_device;
59 /* BIOS interface implementation */
61 static void __iomem *bios_entry_point; /* BIOS routine entry point */
62 static void __iomem *bios_code_map_base;
63 static void __iomem *bios_data_map_base;
65 static u8 cmos_address;
71 static void call_bios(struct regs *regs)
76 local_irq_save(flags);
77 asm volatile ("pushl %%ebp;"
81 : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
82 : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
83 "m" (bios_entry_point), "m" (bios_data_map_base)
84 : "edx", "edi", "esi", "memory");
85 local_irq_restore(flags);
89 static ssize_t __init locate_wistron_bios(void __iomem *base)
91 static unsigned char __initdata signature[] =
92 { 0x42, 0x21, 0x55, 0x30 };
95 for (offset = 0; offset < 0x10000; offset += 0x10) {
96 if (check_signature(base + offset, signature,
97 sizeof(signature)) != 0)
103 static int __init map_bios(void)
109 base = ioremap(0xF0000, 0x10000); /* Can't fail */
110 offset = locate_wistron_bios(base);
112 printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
117 entry_point = readl(base + offset + 5);
119 "wistron_btns: BIOS signature found at %p, entry point %08X\n",
120 base + offset, entry_point);
122 if (entry_point >= 0xF0000) {
123 bios_code_map_base = base;
124 bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
127 bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
128 if (bios_code_map_base == NULL) {
130 "wistron_btns: Can't map BIOS code at %08X\n",
131 entry_point & ~0x3FFF);
134 bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
136 /* The Windows driver maps 0x10000 bytes, we keep only one page... */
137 bios_data_map_base = ioremap(0x400, 0xc00);
138 if (bios_data_map_base == NULL) {
139 printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
145 iounmap(bios_code_map_base);
150 static inline void unmap_bios(void)
152 iounmap(bios_code_map_base);
153 iounmap(bios_data_map_base);
158 static u16 bios_pop_queue(void)
162 memset(®s, 0, sizeof (regs));
171 static void __devinit bios_attach(void)
175 memset(®s, 0, sizeof (regs));
181 static void bios_detach(void)
185 memset(®s, 0, sizeof (regs));
191 static u8 __devinit bios_get_cmos_address(void)
195 memset(®s, 0, sizeof (regs));
203 static u16 __devinit bios_get_default_setting(u8 subsys)
207 memset(®s, 0, sizeof (regs));
209 regs.ebx = 0x0200 | subsys;
215 static void bios_set_state(u8 subsys, int enable)
219 memset(®s, 0, sizeof (regs));
221 regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
225 /* Hardware database */
228 char type; /* See KE_* below */
231 u16 keycode; /* For KE_KEY */
232 struct { /* For KE_SW */
239 enum { KE_END, KE_KEY, KE_SW, KE_WIFI, KE_BLUETOOTH };
241 #define FE_MAIL_LED 0x01
242 #define FE_WIFI_LED 0x02
243 #define FE_UNTESTED 0x80
245 static struct key_entry *keymap; /* = NULL; Current key map */
246 static int have_wifi;
247 static int have_bluetooth;
248 static int have_leds;
250 static int __init dmi_matched(const struct dmi_system_id *dmi)
252 const struct key_entry *key;
254 keymap = dmi->driver_data;
255 for (key = keymap; key->type != KE_END; key++) {
256 if (key->type == KE_WIFI)
258 else if (key->type == KE_BLUETOOTH)
261 have_leds = key->code & (FE_MAIL_LED | FE_WIFI_LED);
266 static struct key_entry keymap_empty[] __initdata = {
270 static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
271 { KE_KEY, 0x01, {KEY_HELP} },
272 { KE_KEY, 0x11, {KEY_PROG1} },
273 { KE_KEY, 0x12, {KEY_PROG2} },
275 { KE_KEY, 0x31, {KEY_MAIL} },
276 { KE_KEY, 0x36, {KEY_WWW} },
280 static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = {
281 { KE_KEY, 0x01, {KEY_HELP} }, /* Fn+F1 */
282 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
283 { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */
284 { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */
285 { KE_KEY, 0x36, {KEY_WWW} }, /* www button */
286 { KE_WIFI, 0x78 }, /* satelite dish button */
290 static struct key_entry keymap_fujitsu_n3510[] __initdata = {
291 { KE_KEY, 0x11, {KEY_PROG1} },
292 { KE_KEY, 0x12, {KEY_PROG2} },
293 { KE_KEY, 0x36, {KEY_WWW} },
294 { KE_KEY, 0x31, {KEY_MAIL} },
295 { KE_KEY, 0x71, {KEY_STOPCD} },
296 { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
297 { KE_KEY, 0x74, {KEY_REWIND} },
298 { KE_KEY, 0x78, {KEY_FORWARD} },
302 static struct key_entry keymap_wistron_ms2111[] __initdata = {
303 { KE_KEY, 0x11, {KEY_PROG1} },
304 { KE_KEY, 0x12, {KEY_PROG2} },
305 { KE_KEY, 0x13, {KEY_PROG3} },
306 { KE_KEY, 0x31, {KEY_MAIL} },
307 { KE_KEY, 0x36, {KEY_WWW} },
308 { KE_END, FE_MAIL_LED }
311 static struct key_entry keymap_wistron_md40100[] __initdata = {
312 { KE_KEY, 0x01, {KEY_HELP} },
313 { KE_KEY, 0x02, {KEY_CONFIG} },
314 { KE_KEY, 0x31, {KEY_MAIL} },
315 { KE_KEY, 0x36, {KEY_WWW} },
316 { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
317 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
320 static struct key_entry keymap_wistron_ms2141[] __initdata = {
321 { KE_KEY, 0x11, {KEY_PROG1} },
322 { KE_KEY, 0x12, {KEY_PROG2} },
324 { KE_KEY, 0x22, {KEY_REWIND} },
325 { KE_KEY, 0x23, {KEY_FORWARD} },
326 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
327 { KE_KEY, 0x25, {KEY_STOPCD} },
328 { KE_KEY, 0x31, {KEY_MAIL} },
329 { KE_KEY, 0x36, {KEY_WWW} },
333 static struct key_entry keymap_acer_aspire_1500[] __initdata = {
334 { KE_KEY, 0x01, {KEY_HELP} },
335 { KE_KEY, 0x03, {KEY_POWER} },
336 { KE_KEY, 0x11, {KEY_PROG1} },
337 { KE_KEY, 0x12, {KEY_PROG2} },
339 { KE_KEY, 0x31, {KEY_MAIL} },
340 { KE_KEY, 0x36, {KEY_WWW} },
341 { KE_KEY, 0x49, {KEY_CONFIG} },
342 { KE_BLUETOOTH, 0x44 },
343 { KE_END, FE_UNTESTED }
346 static struct key_entry keymap_acer_aspire_1600[] __initdata = {
347 { KE_KEY, 0x01, {KEY_HELP} },
348 { KE_KEY, 0x03, {KEY_POWER} },
349 { KE_KEY, 0x08, {KEY_MUTE} },
350 { KE_KEY, 0x11, {KEY_PROG1} },
351 { KE_KEY, 0x12, {KEY_PROG2} },
352 { KE_KEY, 0x13, {KEY_PROG3} },
353 { KE_KEY, 0x31, {KEY_MAIL} },
354 { KE_KEY, 0x36, {KEY_WWW} },
355 { KE_KEY, 0x49, {KEY_CONFIG} },
357 { KE_BLUETOOTH, 0x44 },
358 { KE_END, FE_MAIL_LED | FE_UNTESTED }
361 /* 3020 has been tested */
362 static struct key_entry keymap_acer_aspire_5020[] __initdata = {
363 { KE_KEY, 0x01, {KEY_HELP} },
364 { KE_KEY, 0x03, {KEY_POWER} },
365 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
366 { KE_KEY, 0x11, {KEY_PROG1} },
367 { KE_KEY, 0x12, {KEY_PROG2} },
368 { KE_KEY, 0x31, {KEY_MAIL} },
369 { KE_KEY, 0x36, {KEY_WWW} },
370 { KE_KEY, 0x6a, {KEY_CONFIG} },
372 { KE_BLUETOOTH, 0x44 },
373 { KE_END, FE_MAIL_LED | FE_UNTESTED }
376 static struct key_entry keymap_acer_travelmate_2410[] __initdata = {
377 { KE_KEY, 0x01, {KEY_HELP} },
378 { KE_KEY, 0x6d, {KEY_POWER} },
379 { KE_KEY, 0x11, {KEY_PROG1} },
380 { KE_KEY, 0x12, {KEY_PROG2} },
381 { KE_KEY, 0x31, {KEY_MAIL} },
382 { KE_KEY, 0x36, {KEY_WWW} },
383 { KE_KEY, 0x6a, {KEY_CONFIG} },
385 { KE_BLUETOOTH, 0x44 },
386 { KE_END, FE_MAIL_LED | FE_UNTESTED }
389 static struct key_entry keymap_acer_travelmate_110[] __initdata = {
390 { KE_KEY, 0x01, {KEY_HELP} },
391 { KE_KEY, 0x02, {KEY_CONFIG} },
392 { KE_KEY, 0x03, {KEY_POWER} },
393 { KE_KEY, 0x08, {KEY_MUTE} },
394 { KE_KEY, 0x11, {KEY_PROG1} },
395 { KE_KEY, 0x12, {KEY_PROG2} },
396 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
397 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
398 { KE_KEY, 0x31, {KEY_MAIL} },
399 { KE_KEY, 0x36, {KEY_WWW} },
400 { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
401 { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
403 { KE_END, FE_MAIL_LED | FE_UNTESTED }
406 static struct key_entry keymap_acer_travelmate_300[] __initdata = {
407 { KE_KEY, 0x01, {KEY_HELP} },
408 { KE_KEY, 0x02, {KEY_CONFIG} },
409 { KE_KEY, 0x03, {KEY_POWER} },
410 { KE_KEY, 0x08, {KEY_MUTE} },
411 { KE_KEY, 0x11, {KEY_PROG1} },
412 { KE_KEY, 0x12, {KEY_PROG2} },
413 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
414 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
415 { KE_KEY, 0x31, {KEY_MAIL} },
416 { KE_KEY, 0x36, {KEY_WWW} },
418 { KE_BLUETOOTH, 0x44 },
419 { KE_END, FE_MAIL_LED | FE_UNTESTED }
422 static struct key_entry keymap_acer_travelmate_380[] __initdata = {
423 { KE_KEY, 0x01, {KEY_HELP} },
424 { KE_KEY, 0x02, {KEY_CONFIG} },
425 { KE_KEY, 0x03, {KEY_POWER} }, /* not 370 */
426 { KE_KEY, 0x11, {KEY_PROG1} },
427 { KE_KEY, 0x12, {KEY_PROG2} },
428 { KE_KEY, 0x13, {KEY_PROG3} },
429 { KE_KEY, 0x31, {KEY_MAIL} },
430 { KE_KEY, 0x36, {KEY_WWW} },
432 { KE_END, FE_MAIL_LED | FE_UNTESTED }
436 static struct key_entry keymap_acer_travelmate_220[] __initdata = {
437 { KE_KEY, 0x01, {KEY_HELP} },
438 { KE_KEY, 0x02, {KEY_CONFIG} },
439 { KE_KEY, 0x11, {KEY_MAIL} },
440 { KE_KEY, 0x12, {KEY_WWW} },
441 { KE_KEY, 0x13, {KEY_PROG2} },
442 { KE_KEY, 0x31, {KEY_PROG1} },
443 { KE_END, FE_WIFI_LED | FE_UNTESTED }
446 static struct key_entry keymap_acer_travelmate_230[] __initdata = {
447 { KE_KEY, 0x01, {KEY_HELP} },
448 { KE_KEY, 0x02, {KEY_CONFIG} },
449 { KE_KEY, 0x11, {KEY_PROG1} },
450 { KE_KEY, 0x12, {KEY_PROG2} },
451 { KE_KEY, 0x31, {KEY_MAIL} },
452 { KE_KEY, 0x36, {KEY_WWW} },
453 { KE_END, FE_WIFI_LED | FE_UNTESTED }
456 static struct key_entry keymap_acer_travelmate_240[] __initdata = {
457 { KE_KEY, 0x01, {KEY_HELP} },
458 { KE_KEY, 0x02, {KEY_CONFIG} },
459 { KE_KEY, 0x03, {KEY_POWER} },
460 { KE_KEY, 0x08, {KEY_MUTE} },
461 { KE_KEY, 0x31, {KEY_MAIL} },
462 { KE_KEY, 0x36, {KEY_WWW} },
463 { KE_KEY, 0x11, {KEY_PROG1} },
464 { KE_KEY, 0x12, {KEY_PROG2} },
465 { KE_BLUETOOTH, 0x44 },
467 { KE_END, FE_UNTESTED }
470 static struct key_entry keymap_acer_travelmate_350[] __initdata = {
471 { KE_KEY, 0x01, {KEY_HELP} },
472 { KE_KEY, 0x02, {KEY_CONFIG} },
473 { KE_KEY, 0x11, {KEY_PROG1} },
474 { KE_KEY, 0x12, {KEY_PROG2} },
475 { KE_KEY, 0x13, {KEY_MAIL} },
476 { KE_KEY, 0x14, {KEY_PROG3} },
477 { KE_KEY, 0x15, {KEY_WWW} },
478 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
481 static struct key_entry keymap_acer_travelmate_360[] __initdata = {
482 { KE_KEY, 0x01, {KEY_HELP} },
483 { KE_KEY, 0x02, {KEY_CONFIG} },
484 { KE_KEY, 0x11, {KEY_PROG1} },
485 { KE_KEY, 0x12, {KEY_PROG2} },
486 { KE_KEY, 0x13, {KEY_MAIL} },
487 { KE_KEY, 0x14, {KEY_PROG3} },
488 { KE_KEY, 0x15, {KEY_WWW} },
489 { KE_KEY, 0x40, {KEY_WLAN} },
490 { KE_END, FE_WIFI_LED | FE_UNTESTED } /* no mail led */
493 /* Wifi subsystem only activates the led. Therefore we need to pass
494 * wifi event as a normal key, then userspace can really change the wifi state.
495 * TODO we need to export led state to userspace (wifi and mail) */
496 static struct key_entry keymap_acer_travelmate_610[] __initdata = {
497 { KE_KEY, 0x01, {KEY_HELP} },
498 { KE_KEY, 0x02, {KEY_CONFIG} },
499 { KE_KEY, 0x11, {KEY_PROG1} },
500 { KE_KEY, 0x12, {KEY_PROG2} },
501 { KE_KEY, 0x13, {KEY_PROG3} },
502 { KE_KEY, 0x14, {KEY_MAIL} },
503 { KE_KEY, 0x15, {KEY_WWW} },
504 { KE_KEY, 0x40, {KEY_WLAN} },
505 { KE_END, FE_MAIL_LED | FE_WIFI_LED }
508 static struct key_entry keymap_acer_travelmate_630[] __initdata = {
509 { KE_KEY, 0x01, {KEY_HELP} },
510 { KE_KEY, 0x02, {KEY_CONFIG} },
511 { KE_KEY, 0x03, {KEY_POWER} },
512 { KE_KEY, 0x08, {KEY_MUTE} }, /* not 620 */
513 { KE_KEY, 0x11, {KEY_PROG1} },
514 { KE_KEY, 0x12, {KEY_PROG2} },
515 { KE_KEY, 0x13, {KEY_PROG3} },
516 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
517 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
518 { KE_KEY, 0x31, {KEY_MAIL} },
519 { KE_KEY, 0x36, {KEY_WWW} },
521 { KE_END, FE_MAIL_LED | FE_UNTESTED }
524 static struct key_entry keymap_aopen_1559as[] __initdata = {
525 { KE_KEY, 0x01, {KEY_HELP} },
526 { KE_KEY, 0x06, {KEY_PROG3} },
527 { KE_KEY, 0x11, {KEY_PROG1} },
528 { KE_KEY, 0x12, {KEY_PROG2} },
530 { KE_KEY, 0x31, {KEY_MAIL} },
531 { KE_KEY, 0x36, {KEY_WWW} },
535 static struct key_entry keymap_fs_amilo_d88x0[] __initdata = {
536 { KE_KEY, 0x01, {KEY_HELP} },
537 { KE_KEY, 0x08, {KEY_MUTE} },
538 { KE_KEY, 0x31, {KEY_MAIL} },
539 { KE_KEY, 0x36, {KEY_WWW} },
540 { KE_KEY, 0x11, {KEY_PROG1} },
541 { KE_KEY, 0x12, {KEY_PROG2} },
542 { KE_KEY, 0x13, {KEY_PROG3} },
543 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
546 static struct key_entry keymap_wistron_md2900[] __initdata = {
547 { KE_KEY, 0x01, {KEY_HELP} },
548 { KE_KEY, 0x02, {KEY_CONFIG} },
549 { KE_KEY, 0x11, {KEY_PROG1} },
550 { KE_KEY, 0x12, {KEY_PROG2} },
551 { KE_KEY, 0x31, {KEY_MAIL} },
552 { KE_KEY, 0x36, {KEY_WWW} },
554 { KE_END, FE_MAIL_LED | FE_UNTESTED }
557 static struct key_entry keymap_wistron_md96500[] __initdata = {
558 { KE_KEY, 0x01, {KEY_HELP} },
559 { KE_KEY, 0x02, {KEY_CONFIG} },
560 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
561 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
562 { KE_KEY, 0x08, {KEY_MUTE} },
563 { KE_KEY, 0x11, {KEY_PROG1} },
564 { KE_KEY, 0x12, {KEY_PROG2} },
565 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
566 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
567 { KE_KEY, 0x22, {KEY_REWIND} },
568 { KE_KEY, 0x23, {KEY_FORWARD} },
569 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
570 { KE_KEY, 0x25, {KEY_STOPCD} },
571 { KE_KEY, 0x31, {KEY_MAIL} },
572 { KE_KEY, 0x36, {KEY_WWW} },
574 { KE_BLUETOOTH, 0x44 },
575 { KE_END, FE_UNTESTED }
578 static struct key_entry keymap_wistron_generic[] __initdata = {
579 { KE_KEY, 0x01, {KEY_HELP} },
580 { KE_KEY, 0x02, {KEY_CONFIG} },
581 { KE_KEY, 0x03, {KEY_POWER} },
582 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
583 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
584 { KE_KEY, 0x08, {KEY_MUTE} },
585 { KE_KEY, 0x11, {KEY_PROG1} },
586 { KE_KEY, 0x12, {KEY_PROG2} },
587 { KE_KEY, 0x13, {KEY_PROG3} },
588 { KE_KEY, 0x14, {KEY_MAIL} },
589 { KE_KEY, 0x15, {KEY_WWW} },
590 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
591 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
592 { KE_KEY, 0x22, {KEY_REWIND} },
593 { KE_KEY, 0x23, {KEY_FORWARD} },
594 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
595 { KE_KEY, 0x25, {KEY_STOPCD} },
596 { KE_KEY, 0x31, {KEY_MAIL} },
597 { KE_KEY, 0x36, {KEY_WWW} },
598 { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
599 { KE_KEY, 0x40, {KEY_WLAN} },
600 { KE_KEY, 0x49, {KEY_CONFIG} },
601 { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
602 { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
603 { KE_KEY, 0x6a, {KEY_CONFIG} },
604 { KE_KEY, 0x6d, {KEY_POWER} },
605 { KE_KEY, 0x71, {KEY_STOPCD} },
606 { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
607 { KE_KEY, 0x74, {KEY_REWIND} },
608 { KE_KEY, 0x78, {KEY_FORWARD} },
610 { KE_BLUETOOTH, 0x44 },
615 * If your machine is not here (which is currently rather likely), please send
616 * a list of buttons and their key codes (reported when loading this module
617 * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
619 static struct dmi_system_id dmi_ids[] __initdata = {
621 .callback = dmi_matched,
622 .ident = "Fujitsu-Siemens Amilo Pro V2000",
624 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
625 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
627 .driver_data = keymap_fs_amilo_pro_v2000
630 .callback = dmi_matched,
631 .ident = "Fujitsu-Siemens Amilo Pro Edition V3505",
633 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
634 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
636 .driver_data = keymap_fs_amilo_pro_v3505
639 .callback = dmi_matched,
640 .ident = "Fujitsu-Siemens Amilo M7400",
642 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
643 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
645 .driver_data = keymap_fs_amilo_pro_v2000
648 .callback = dmi_matched,
649 .ident = "Maxdata Pro 7000 DX",
651 DMI_MATCH(DMI_SYS_VENDOR, "MAXDATA"),
652 DMI_MATCH(DMI_PRODUCT_NAME, "Pro 7000"),
654 .driver_data = keymap_fs_amilo_pro_v2000
657 .callback = dmi_matched,
658 .ident = "Fujitsu N3510",
660 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
661 DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
663 .driver_data = keymap_fujitsu_n3510
666 .callback = dmi_matched,
667 .ident = "Acer Aspire 1500",
669 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
670 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
672 .driver_data = keymap_acer_aspire_1500
675 .callback = dmi_matched,
676 .ident = "Acer Aspire 1600",
678 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
679 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
681 .driver_data = keymap_acer_aspire_1600
684 .callback = dmi_matched,
685 .ident = "Acer Aspire 3020",
687 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
688 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
690 .driver_data = keymap_acer_aspire_5020
693 .callback = dmi_matched,
694 .ident = "Acer Aspire 5020",
696 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
697 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
699 .driver_data = keymap_acer_aspire_5020
702 .callback = dmi_matched,
703 .ident = "Acer TravelMate 2100",
705 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
706 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
708 .driver_data = keymap_acer_aspire_5020
711 .callback = dmi_matched,
712 .ident = "Acer TravelMate 2410",
714 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
715 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
717 .driver_data = keymap_acer_travelmate_2410
720 .callback = dmi_matched,
721 .ident = "Acer TravelMate C300",
723 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
724 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
726 .driver_data = keymap_acer_travelmate_300
729 .callback = dmi_matched,
730 .ident = "Acer TravelMate C100",
732 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
733 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
735 .driver_data = keymap_acer_travelmate_300
738 .callback = dmi_matched,
739 .ident = "Acer TravelMate C110",
741 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
742 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
744 .driver_data = keymap_acer_travelmate_110
747 .callback = dmi_matched,
748 .ident = "Acer TravelMate 380",
750 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
751 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
753 .driver_data = keymap_acer_travelmate_380
756 .callback = dmi_matched,
757 .ident = "Acer TravelMate 370",
759 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
760 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
762 .driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
765 .callback = dmi_matched,
766 .ident = "Acer TravelMate 220",
768 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
769 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
771 .driver_data = keymap_acer_travelmate_220
774 .callback = dmi_matched,
775 .ident = "Acer TravelMate 260",
777 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
778 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
780 .driver_data = keymap_acer_travelmate_220
783 .callback = dmi_matched,
784 .ident = "Acer TravelMate 230",
786 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
787 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
788 /* acerhk looks for "TravelMate F4..." ?! */
790 .driver_data = keymap_acer_travelmate_230
793 .callback = dmi_matched,
794 .ident = "Acer TravelMate 280",
796 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
797 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
799 .driver_data = keymap_acer_travelmate_230
802 .callback = dmi_matched,
803 .ident = "Acer TravelMate 240",
805 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
806 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
808 .driver_data = keymap_acer_travelmate_240
811 .callback = dmi_matched,
812 .ident = "Acer TravelMate 250",
814 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
815 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
817 .driver_data = keymap_acer_travelmate_240
820 .callback = dmi_matched,
821 .ident = "Acer TravelMate 2424NWXCi",
823 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
824 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
826 .driver_data = keymap_acer_travelmate_240
829 .callback = dmi_matched,
830 .ident = "Acer TravelMate 350",
832 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
833 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
835 .driver_data = keymap_acer_travelmate_350
838 .callback = dmi_matched,
839 .ident = "Acer TravelMate 360",
841 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
842 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
844 .driver_data = keymap_acer_travelmate_360
847 .callback = dmi_matched,
848 .ident = "Acer TravelMate 610",
850 DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
851 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
853 .driver_data = keymap_acer_travelmate_610
856 .callback = dmi_matched,
857 .ident = "Acer TravelMate 620",
859 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
860 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
862 .driver_data = keymap_acer_travelmate_630
865 .callback = dmi_matched,
866 .ident = "Acer TravelMate 630",
868 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
869 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
871 .driver_data = keymap_acer_travelmate_630
874 .callback = dmi_matched,
875 .ident = "AOpen 1559AS",
877 DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
878 DMI_MATCH(DMI_BOARD_NAME, "E2U"),
880 .driver_data = keymap_aopen_1559as
883 .callback = dmi_matched,
884 .ident = "Medion MD 9783",
886 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
887 DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
889 .driver_data = keymap_wistron_ms2111
892 .callback = dmi_matched,
893 .ident = "Medion MD 40100",
895 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
896 DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
898 .driver_data = keymap_wistron_md40100
901 .callback = dmi_matched,
902 .ident = "Medion MD 2900",
904 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
905 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
907 .driver_data = keymap_wistron_md2900
910 .callback = dmi_matched,
911 .ident = "Medion MD 96500",
913 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
914 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
916 .driver_data = keymap_wistron_md96500
919 .callback = dmi_matched,
920 .ident = "Medion MD 95400",
922 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
923 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
925 .driver_data = keymap_wistron_md96500
928 .callback = dmi_matched,
929 .ident = "Fujitsu Siemens Amilo D7820",
931 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
932 DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
934 .driver_data = keymap_fs_amilo_d88x0
937 .callback = dmi_matched,
938 .ident = "Fujitsu Siemens Amilo D88x0",
940 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
941 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
943 .driver_data = keymap_fs_amilo_d88x0
948 /* Copy the good keymap, as the original ones are free'd */
949 static int __init copy_keymap(void)
951 const struct key_entry *key;
952 struct key_entry *new_keymap;
953 unsigned int length = 1;
955 for (key = keymap; key->type != KE_END; key++)
958 new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
962 memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
968 static int __init select_keymap(void)
970 dmi_check_system(dmi_ids);
971 if (keymap_name != NULL) {
972 if (strcmp (keymap_name, "1557/MS2141") == 0)
973 keymap = keymap_wistron_ms2141;
974 else if (strcmp (keymap_name, "generic") == 0)
975 keymap = keymap_wistron_generic;
977 printk(KERN_ERR "wistron_btns: Keymap unknown\n");
981 if (keymap == NULL) {
983 printk(KERN_ERR "wistron_btns: System unknown\n");
986 keymap = keymap_empty;
989 return copy_keymap();
992 /* Input layer interface */
994 static struct input_polled_dev *wistron_idev;
995 static unsigned long jiffies_last_press;
996 static int wifi_enabled;
997 static int bluetooth_enabled;
999 static void report_key(struct input_dev *dev, unsigned int keycode)
1001 input_report_key(dev, keycode, 1);
1003 input_report_key(dev, keycode, 0);
1007 static void report_switch(struct input_dev *dev, unsigned int code, int value)
1009 input_report_switch(dev, code, value);
1014 /* led management */
1015 static void wistron_mail_led_set(struct led_classdev *led_cdev,
1016 enum led_brightness value)
1018 bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
1021 /* same as setting up wifi card, but for laptops on which the led is managed */
1022 static void wistron_wifi_led_set(struct led_classdev *led_cdev,
1023 enum led_brightness value)
1025 bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
1028 static struct led_classdev wistron_mail_led = {
1029 .name = "wistron:green:mail",
1030 .brightness_set = wistron_mail_led_set,
1033 static struct led_classdev wistron_wifi_led = {
1034 .name = "wistron:red:wifi",
1035 .brightness_set = wistron_wifi_led_set,
1038 static void __devinit wistron_led_init(struct device *parent)
1040 if (have_leds & FE_WIFI_LED) {
1041 u16 wifi = bios_get_default_setting(WIFI);
1043 wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1044 if (led_classdev_register(parent, &wistron_wifi_led))
1045 have_leds &= ~FE_WIFI_LED;
1047 bios_set_state(WIFI, wistron_wifi_led.brightness);
1050 have_leds &= ~FE_WIFI_LED;
1053 if (have_leds & FE_MAIL_LED) {
1054 /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1055 wistron_mail_led.brightness = LED_OFF;
1056 if (led_classdev_register(parent, &wistron_mail_led))
1057 have_leds &= ~FE_MAIL_LED;
1059 bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1063 static void __devexit wistron_led_remove(void)
1065 if (have_leds & FE_MAIL_LED)
1066 led_classdev_unregister(&wistron_mail_led);
1068 if (have_leds & FE_WIFI_LED)
1069 led_classdev_unregister(&wistron_wifi_led);
1072 static inline void wistron_led_suspend(void)
1074 if (have_leds & FE_MAIL_LED)
1075 led_classdev_suspend(&wistron_mail_led);
1077 if (have_leds & FE_WIFI_LED)
1078 led_classdev_suspend(&wistron_wifi_led);
1081 static inline void wistron_led_resume(void)
1083 if (have_leds & FE_MAIL_LED)
1084 led_classdev_resume(&wistron_mail_led);
1086 if (have_leds & FE_WIFI_LED)
1087 led_classdev_resume(&wistron_wifi_led);
1090 static struct key_entry *wistron_get_entry_by_scancode(int code)
1092 struct key_entry *key;
1094 for (key = keymap; key->type != KE_END; key++)
1095 if (code == key->code)
1101 static struct key_entry *wistron_get_entry_by_keycode(int keycode)
1103 struct key_entry *key;
1105 for (key = keymap; key->type != KE_END; key++)
1106 if (key->type == KE_KEY && keycode == key->keycode)
1112 static void handle_key(u8 code)
1114 const struct key_entry *key = wistron_get_entry_by_scancode(code);
1117 switch (key->type) {
1119 report_key(wistron_idev->input, key->keycode);
1123 report_switch(wistron_idev->input,
1124 key->sw.code, key->sw.value);
1129 wifi_enabled = !wifi_enabled;
1130 bios_set_state(WIFI, wifi_enabled);
1135 if (have_bluetooth) {
1136 bluetooth_enabled = !bluetooth_enabled;
1137 bios_set_state(BLUETOOTH, bluetooth_enabled);
1144 jiffies_last_press = jiffies;
1147 "wistron_btns: Unknown key code %02X\n", code);
1150 static void poll_bios(bool discard)
1156 qlen = CMOS_READ(cmos_address);
1159 val = bios_pop_queue();
1160 if (val != 0 && !discard)
1161 handle_key((u8)val);
1165 static void wistron_flush(struct input_polled_dev *dev)
1167 /* Flush stale event queue */
1171 static void wistron_poll(struct input_polled_dev *dev)
1175 /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1176 if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1177 dev->poll_interval = POLL_INTERVAL_BURST;
1179 dev->poll_interval = POLL_INTERVAL_DEFAULT;
1182 static int wistron_getkeycode(struct input_dev *dev, int scancode, int *keycode)
1184 const struct key_entry *key = wistron_get_entry_by_scancode(scancode);
1186 if (key && key->type == KE_KEY) {
1187 *keycode = key->keycode;
1194 static int wistron_setkeycode(struct input_dev *dev, int scancode, int keycode)
1196 struct key_entry *key;
1199 if (keycode < 0 || keycode > KEY_MAX)
1202 key = wistron_get_entry_by_scancode(scancode);
1203 if (key && key->type == KE_KEY) {
1204 old_keycode = key->keycode;
1205 key->keycode = keycode;
1206 set_bit(keycode, dev->keybit);
1207 if (!wistron_get_entry_by_keycode(old_keycode))
1208 clear_bit(old_keycode, dev->keybit);
1215 static int __devinit setup_input_dev(void)
1217 struct key_entry *key;
1218 struct input_dev *input_dev;
1221 wistron_idev = input_allocate_polled_device();
1225 wistron_idev->flush = wistron_flush;
1226 wistron_idev->poll = wistron_poll;
1227 wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1229 input_dev = wistron_idev->input;
1230 input_dev->name = "Wistron laptop buttons";
1231 input_dev->phys = "wistron/input0";
1232 input_dev->id.bustype = BUS_HOST;
1233 input_dev->dev.parent = &wistron_device->dev;
1235 input_dev->getkeycode = wistron_getkeycode;
1236 input_dev->setkeycode = wistron_setkeycode;
1238 for (key = keymap; key->type != KE_END; key++) {
1239 switch (key->type) {
1241 set_bit(EV_KEY, input_dev->evbit);
1242 set_bit(key->keycode, input_dev->keybit);
1246 set_bit(EV_SW, input_dev->evbit);
1247 set_bit(key->sw.code, input_dev->swbit);
1250 /* if wifi or bluetooth are not available, create normal keys */
1254 key->keycode = KEY_WLAN;
1260 if (!have_bluetooth) {
1262 key->keycode = KEY_BLUETOOTH;
1272 /* reads information flags on KE_END */
1273 if (key->code & FE_UNTESTED)
1274 printk(KERN_WARNING "Untested laptop multimedia keys, "
1275 "please report success or failure to eric.piel"
1276 "@tremplin-utc.net\n");
1278 error = input_register_polled_device(wistron_idev);
1280 input_free_polled_device(wistron_idev);
1289 static int __devinit wistron_probe(struct platform_device *dev)
1294 cmos_address = bios_get_cmos_address();
1297 u16 wifi = bios_get_default_setting(WIFI);
1299 wifi_enabled = (wifi & 2) ? 1 : 0;
1304 bios_set_state(WIFI, wifi_enabled);
1307 if (have_bluetooth) {
1308 u16 bt = bios_get_default_setting(BLUETOOTH);
1310 bluetooth_enabled = (bt & 2) ? 1 : 0;
1315 bios_set_state(BLUETOOTH, bluetooth_enabled);
1318 wistron_led_init(&dev->dev);
1319 err = setup_input_dev();
1328 static int __devexit wistron_remove(struct platform_device *dev)
1330 wistron_led_remove();
1331 input_unregister_polled_device(wistron_idev);
1332 input_free_polled_device(wistron_idev);
1339 static int wistron_suspend(struct platform_device *dev, pm_message_t state)
1342 bios_set_state(WIFI, 0);
1345 bios_set_state(BLUETOOTH, 0);
1347 wistron_led_suspend();
1351 static int wistron_resume(struct platform_device *dev)
1354 bios_set_state(WIFI, wifi_enabled);
1357 bios_set_state(BLUETOOTH, bluetooth_enabled);
1359 wistron_led_resume();
1365 #define wistron_suspend NULL
1366 #define wistron_resume NULL
1369 static struct platform_driver wistron_driver = {
1371 .name = "wistron-bios",
1372 .owner = THIS_MODULE,
1374 .probe = wistron_probe,
1375 .remove = __devexit_p(wistron_remove),
1376 .suspend = wistron_suspend,
1377 .resume = wistron_resume,
1380 static int __init wb_module_init(void)
1384 err = select_keymap();
1392 err = platform_driver_register(&wistron_driver);
1394 goto err_unmap_bios;
1396 wistron_device = platform_device_alloc("wistron-bios", -1);
1397 if (!wistron_device) {
1399 goto err_unregister_driver;
1402 err = platform_device_add(wistron_device);
1404 goto err_free_device;
1409 platform_device_put(wistron_device);
1410 err_unregister_driver:
1411 platform_driver_unregister(&wistron_driver);
1418 static void __exit wb_module_exit(void)
1420 platform_device_unregister(wistron_device);
1421 platform_driver_unregister(&wistron_driver);
1426 module_init(wb_module_init);
1427 module_exit(wb_module_exit);