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_fujitsu_n3510
[] __initdata
= {
281 { KE_KEY
, 0x11, {KEY_PROG1
} },
282 { KE_KEY
, 0x12, {KEY_PROG2
} },
283 { KE_KEY
, 0x36, {KEY_WWW
} },
284 { KE_KEY
, 0x31, {KEY_MAIL
} },
285 { KE_KEY
, 0x71, {KEY_STOPCD
} },
286 { KE_KEY
, 0x72, {KEY_PLAYPAUSE
} },
287 { KE_KEY
, 0x74, {KEY_REWIND
} },
288 { KE_KEY
, 0x78, {KEY_FORWARD
} },
292 static struct key_entry keymap_wistron_ms2111
[] __initdata
= {
293 { KE_KEY
, 0x11, {KEY_PROG1
} },
294 { KE_KEY
, 0x12, {KEY_PROG2
} },
295 { KE_KEY
, 0x13, {KEY_PROG3
} },
296 { KE_KEY
, 0x31, {KEY_MAIL
} },
297 { KE_KEY
, 0x36, {KEY_WWW
} },
298 { KE_END
, FE_MAIL_LED
}
301 static struct key_entry keymap_wistron_md40100
[] __initdata
= {
302 { KE_KEY
, 0x01, {KEY_HELP
} },
303 { KE_KEY
, 0x02, {KEY_CONFIG
} },
304 { KE_KEY
, 0x31, {KEY_MAIL
} },
305 { KE_KEY
, 0x36, {KEY_WWW
} },
306 { KE_KEY
, 0x37, {KEY_DISPLAYTOGGLE
} }, /* Display on/off */
307 { KE_END
, FE_MAIL_LED
| FE_WIFI_LED
| FE_UNTESTED
}
310 static struct key_entry keymap_wistron_ms2141
[] __initdata
= {
311 { KE_KEY
, 0x11, {KEY_PROG1
} },
312 { KE_KEY
, 0x12, {KEY_PROG2
} },
314 { KE_KEY
, 0x22, {KEY_REWIND
} },
315 { KE_KEY
, 0x23, {KEY_FORWARD
} },
316 { KE_KEY
, 0x24, {KEY_PLAYPAUSE
} },
317 { KE_KEY
, 0x25, {KEY_STOPCD
} },
318 { KE_KEY
, 0x31, {KEY_MAIL
} },
319 { KE_KEY
, 0x36, {KEY_WWW
} },
323 static struct key_entry keymap_acer_aspire_1500
[] __initdata
= {
324 { KE_KEY
, 0x01, {KEY_HELP
} },
325 { KE_KEY
, 0x03, {KEY_POWER
} },
326 { KE_KEY
, 0x11, {KEY_PROG1
} },
327 { KE_KEY
, 0x12, {KEY_PROG2
} },
329 { KE_KEY
, 0x31, {KEY_MAIL
} },
330 { KE_KEY
, 0x36, {KEY_WWW
} },
331 { KE_KEY
, 0x49, {KEY_CONFIG
} },
332 { KE_BLUETOOTH
, 0x44 },
333 { KE_END
, FE_UNTESTED
}
336 static struct key_entry keymap_acer_aspire_1600
[] __initdata
= {
337 { KE_KEY
, 0x01, {KEY_HELP
} },
338 { KE_KEY
, 0x03, {KEY_POWER
} },
339 { KE_KEY
, 0x08, {KEY_MUTE
} },
340 { KE_KEY
, 0x11, {KEY_PROG1
} },
341 { KE_KEY
, 0x12, {KEY_PROG2
} },
342 { KE_KEY
, 0x13, {KEY_PROG3
} },
343 { KE_KEY
, 0x31, {KEY_MAIL
} },
344 { KE_KEY
, 0x36, {KEY_WWW
} },
345 { KE_KEY
, 0x49, {KEY_CONFIG
} },
347 { KE_BLUETOOTH
, 0x44 },
348 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
351 /* 3020 has been tested */
352 static struct key_entry keymap_acer_aspire_5020
[] __initdata
= {
353 { KE_KEY
, 0x01, {KEY_HELP
} },
354 { KE_KEY
, 0x03, {KEY_POWER
} },
355 { KE_KEY
, 0x05, {KEY_SWITCHVIDEOMODE
} }, /* Display selection */
356 { KE_KEY
, 0x11, {KEY_PROG1
} },
357 { KE_KEY
, 0x12, {KEY_PROG2
} },
358 { KE_KEY
, 0x31, {KEY_MAIL
} },
359 { KE_KEY
, 0x36, {KEY_WWW
} },
360 { KE_KEY
, 0x6a, {KEY_CONFIG
} },
362 { KE_BLUETOOTH
, 0x44 },
363 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
366 static struct key_entry keymap_acer_travelmate_2410
[] __initdata
= {
367 { KE_KEY
, 0x01, {KEY_HELP
} },
368 { KE_KEY
, 0x6d, {KEY_POWER
} },
369 { KE_KEY
, 0x11, {KEY_PROG1
} },
370 { KE_KEY
, 0x12, {KEY_PROG2
} },
371 { KE_KEY
, 0x31, {KEY_MAIL
} },
372 { KE_KEY
, 0x36, {KEY_WWW
} },
373 { KE_KEY
, 0x6a, {KEY_CONFIG
} },
375 { KE_BLUETOOTH
, 0x44 },
376 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
379 static struct key_entry keymap_acer_travelmate_110
[] __initdata
= {
380 { KE_KEY
, 0x01, {KEY_HELP
} },
381 { KE_KEY
, 0x02, {KEY_CONFIG
} },
382 { KE_KEY
, 0x03, {KEY_POWER
} },
383 { KE_KEY
, 0x08, {KEY_MUTE
} },
384 { KE_KEY
, 0x11, {KEY_PROG1
} },
385 { KE_KEY
, 0x12, {KEY_PROG2
} },
386 { KE_KEY
, 0x20, {KEY_VOLUMEUP
} },
387 { KE_KEY
, 0x21, {KEY_VOLUMEDOWN
} },
388 { KE_KEY
, 0x31, {KEY_MAIL
} },
389 { KE_KEY
, 0x36, {KEY_WWW
} },
390 { KE_SW
, 0x4a, {.sw
= {SW_LID
, 1}} }, /* lid close */
391 { KE_SW
, 0x4b, {.sw
= {SW_LID
, 0}} }, /* lid open */
393 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
396 static struct key_entry keymap_acer_travelmate_300
[] __initdata
= {
397 { KE_KEY
, 0x01, {KEY_HELP
} },
398 { KE_KEY
, 0x02, {KEY_CONFIG
} },
399 { KE_KEY
, 0x03, {KEY_POWER
} },
400 { KE_KEY
, 0x08, {KEY_MUTE
} },
401 { KE_KEY
, 0x11, {KEY_PROG1
} },
402 { KE_KEY
, 0x12, {KEY_PROG2
} },
403 { KE_KEY
, 0x20, {KEY_VOLUMEUP
} },
404 { KE_KEY
, 0x21, {KEY_VOLUMEDOWN
} },
405 { KE_KEY
, 0x31, {KEY_MAIL
} },
406 { KE_KEY
, 0x36, {KEY_WWW
} },
408 { KE_BLUETOOTH
, 0x44 },
409 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
412 static struct key_entry keymap_acer_travelmate_380
[] __initdata
= {
413 { KE_KEY
, 0x01, {KEY_HELP
} },
414 { KE_KEY
, 0x02, {KEY_CONFIG
} },
415 { KE_KEY
, 0x03, {KEY_POWER
} }, /* not 370 */
416 { KE_KEY
, 0x11, {KEY_PROG1
} },
417 { KE_KEY
, 0x12, {KEY_PROG2
} },
418 { KE_KEY
, 0x13, {KEY_PROG3
} },
419 { KE_KEY
, 0x31, {KEY_MAIL
} },
420 { KE_KEY
, 0x36, {KEY_WWW
} },
422 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
426 static struct key_entry keymap_acer_travelmate_220
[] __initdata
= {
427 { KE_KEY
, 0x01, {KEY_HELP
} },
428 { KE_KEY
, 0x02, {KEY_CONFIG
} },
429 { KE_KEY
, 0x11, {KEY_MAIL
} },
430 { KE_KEY
, 0x12, {KEY_WWW
} },
431 { KE_KEY
, 0x13, {KEY_PROG2
} },
432 { KE_KEY
, 0x31, {KEY_PROG1
} },
433 { KE_END
, FE_WIFI_LED
| FE_UNTESTED
}
436 static struct key_entry keymap_acer_travelmate_230
[] __initdata
= {
437 { KE_KEY
, 0x01, {KEY_HELP
} },
438 { KE_KEY
, 0x02, {KEY_CONFIG
} },
439 { KE_KEY
, 0x11, {KEY_PROG1
} },
440 { KE_KEY
, 0x12, {KEY_PROG2
} },
441 { KE_KEY
, 0x31, {KEY_MAIL
} },
442 { KE_KEY
, 0x36, {KEY_WWW
} },
443 { KE_END
, FE_WIFI_LED
| FE_UNTESTED
}
446 static struct key_entry keymap_acer_travelmate_240
[] __initdata
= {
447 { KE_KEY
, 0x01, {KEY_HELP
} },
448 { KE_KEY
, 0x02, {KEY_CONFIG
} },
449 { KE_KEY
, 0x03, {KEY_POWER
} },
450 { KE_KEY
, 0x08, {KEY_MUTE
} },
451 { KE_KEY
, 0x31, {KEY_MAIL
} },
452 { KE_KEY
, 0x36, {KEY_WWW
} },
453 { KE_KEY
, 0x11, {KEY_PROG1
} },
454 { KE_KEY
, 0x12, {KEY_PROG2
} },
455 { KE_BLUETOOTH
, 0x44 },
457 { KE_END
, FE_UNTESTED
}
460 static struct key_entry keymap_acer_travelmate_350
[] __initdata
= {
461 { KE_KEY
, 0x01, {KEY_HELP
} },
462 { KE_KEY
, 0x02, {KEY_CONFIG
} },
463 { KE_KEY
, 0x11, {KEY_PROG1
} },
464 { KE_KEY
, 0x12, {KEY_PROG2
} },
465 { KE_KEY
, 0x13, {KEY_MAIL
} },
466 { KE_KEY
, 0x14, {KEY_PROG3
} },
467 { KE_KEY
, 0x15, {KEY_WWW
} },
468 { KE_END
, FE_MAIL_LED
| FE_WIFI_LED
| FE_UNTESTED
}
471 static struct key_entry keymap_acer_travelmate_360
[] __initdata
= {
472 { KE_KEY
, 0x01, {KEY_HELP
} },
473 { KE_KEY
, 0x02, {KEY_CONFIG
} },
474 { KE_KEY
, 0x11, {KEY_PROG1
} },
475 { KE_KEY
, 0x12, {KEY_PROG2
} },
476 { KE_KEY
, 0x13, {KEY_MAIL
} },
477 { KE_KEY
, 0x14, {KEY_PROG3
} },
478 { KE_KEY
, 0x15, {KEY_WWW
} },
479 { KE_KEY
, 0x40, {KEY_WLAN
} },
480 { KE_END
, FE_WIFI_LED
| FE_UNTESTED
} /* no mail led */
483 /* Wifi subsystem only activates the led. Therefore we need to pass
484 * wifi event as a normal key, then userspace can really change the wifi state.
485 * TODO we need to export led state to userspace (wifi and mail) */
486 static struct key_entry keymap_acer_travelmate_610
[] __initdata
= {
487 { KE_KEY
, 0x01, {KEY_HELP
} },
488 { KE_KEY
, 0x02, {KEY_CONFIG
} },
489 { KE_KEY
, 0x11, {KEY_PROG1
} },
490 { KE_KEY
, 0x12, {KEY_PROG2
} },
491 { KE_KEY
, 0x13, {KEY_PROG3
} },
492 { KE_KEY
, 0x14, {KEY_MAIL
} },
493 { KE_KEY
, 0x15, {KEY_WWW
} },
494 { KE_KEY
, 0x40, {KEY_WLAN
} },
495 { KE_END
, FE_MAIL_LED
| FE_WIFI_LED
}
498 static struct key_entry keymap_acer_travelmate_630
[] __initdata
= {
499 { KE_KEY
, 0x01, {KEY_HELP
} },
500 { KE_KEY
, 0x02, {KEY_CONFIG
} },
501 { KE_KEY
, 0x03, {KEY_POWER
} },
502 { KE_KEY
, 0x08, {KEY_MUTE
} }, /* not 620 */
503 { KE_KEY
, 0x11, {KEY_PROG1
} },
504 { KE_KEY
, 0x12, {KEY_PROG2
} },
505 { KE_KEY
, 0x13, {KEY_PROG3
} },
506 { KE_KEY
, 0x20, {KEY_VOLUMEUP
} },
507 { KE_KEY
, 0x21, {KEY_VOLUMEDOWN
} },
508 { KE_KEY
, 0x31, {KEY_MAIL
} },
509 { KE_KEY
, 0x36, {KEY_WWW
} },
511 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
514 static struct key_entry keymap_aopen_1559as
[] __initdata
= {
515 { KE_KEY
, 0x01, {KEY_HELP
} },
516 { KE_KEY
, 0x06, {KEY_PROG3
} },
517 { KE_KEY
, 0x11, {KEY_PROG1
} },
518 { KE_KEY
, 0x12, {KEY_PROG2
} },
520 { KE_KEY
, 0x31, {KEY_MAIL
} },
521 { KE_KEY
, 0x36, {KEY_WWW
} },
525 static struct key_entry keymap_fs_amilo_d88x0
[] __initdata
= {
526 { KE_KEY
, 0x01, {KEY_HELP
} },
527 { KE_KEY
, 0x08, {KEY_MUTE
} },
528 { KE_KEY
, 0x31, {KEY_MAIL
} },
529 { KE_KEY
, 0x36, {KEY_WWW
} },
530 { KE_KEY
, 0x11, {KEY_PROG1
} },
531 { KE_KEY
, 0x12, {KEY_PROG2
} },
532 { KE_KEY
, 0x13, {KEY_PROG3
} },
533 { KE_END
, FE_MAIL_LED
| FE_WIFI_LED
| FE_UNTESTED
}
536 static struct key_entry keymap_wistron_md2900
[] __initdata
= {
537 { KE_KEY
, 0x01, {KEY_HELP
} },
538 { KE_KEY
, 0x02, {KEY_CONFIG
} },
539 { KE_KEY
, 0x11, {KEY_PROG1
} },
540 { KE_KEY
, 0x12, {KEY_PROG2
} },
541 { KE_KEY
, 0x31, {KEY_MAIL
} },
542 { KE_KEY
, 0x36, {KEY_WWW
} },
544 { KE_END
, FE_MAIL_LED
| FE_UNTESTED
}
547 static struct key_entry keymap_wistron_md96500
[] __initdata
= {
548 { KE_KEY
, 0x01, {KEY_HELP
} },
549 { KE_KEY
, 0x02, {KEY_CONFIG
} },
550 { KE_KEY
, 0x05, {KEY_SWITCHVIDEOMODE
} }, /* Display selection */
551 { KE_KEY
, 0x06, {KEY_DISPLAYTOGGLE
} }, /* Display on/off */
552 { KE_KEY
, 0x08, {KEY_MUTE
} },
553 { KE_KEY
, 0x11, {KEY_PROG1
} },
554 { KE_KEY
, 0x12, {KEY_PROG2
} },
555 { KE_KEY
, 0x20, {KEY_VOLUMEUP
} },
556 { KE_KEY
, 0x21, {KEY_VOLUMEDOWN
} },
557 { KE_KEY
, 0x22, {KEY_REWIND
} },
558 { KE_KEY
, 0x23, {KEY_FORWARD
} },
559 { KE_KEY
, 0x24, {KEY_PLAYPAUSE
} },
560 { KE_KEY
, 0x25, {KEY_STOPCD
} },
561 { KE_KEY
, 0x31, {KEY_MAIL
} },
562 { KE_KEY
, 0x36, {KEY_WWW
} },
564 { KE_BLUETOOTH
, 0x44 },
565 { KE_END
, FE_UNTESTED
}
568 static struct key_entry keymap_wistron_generic
[] __initdata
= {
569 { KE_KEY
, 0x01, {KEY_HELP
} },
570 { KE_KEY
, 0x02, {KEY_CONFIG
} },
571 { KE_KEY
, 0x03, {KEY_POWER
} },
572 { KE_KEY
, 0x05, {KEY_SWITCHVIDEOMODE
} }, /* Display selection */
573 { KE_KEY
, 0x06, {KEY_DISPLAYTOGGLE
} }, /* Display on/off */
574 { KE_KEY
, 0x08, {KEY_MUTE
} },
575 { KE_KEY
, 0x11, {KEY_PROG1
} },
576 { KE_KEY
, 0x12, {KEY_PROG2
} },
577 { KE_KEY
, 0x13, {KEY_PROG3
} },
578 { KE_KEY
, 0x14, {KEY_MAIL
} },
579 { KE_KEY
, 0x15, {KEY_WWW
} },
580 { KE_KEY
, 0x20, {KEY_VOLUMEUP
} },
581 { KE_KEY
, 0x21, {KEY_VOLUMEDOWN
} },
582 { KE_KEY
, 0x22, {KEY_REWIND
} },
583 { KE_KEY
, 0x23, {KEY_FORWARD
} },
584 { KE_KEY
, 0x24, {KEY_PLAYPAUSE
} },
585 { KE_KEY
, 0x25, {KEY_STOPCD
} },
586 { KE_KEY
, 0x31, {KEY_MAIL
} },
587 { KE_KEY
, 0x36, {KEY_WWW
} },
588 { KE_KEY
, 0x37, {KEY_DISPLAYTOGGLE
} }, /* Display on/off */
589 { KE_KEY
, 0x40, {KEY_WLAN
} },
590 { KE_KEY
, 0x49, {KEY_CONFIG
} },
591 { KE_SW
, 0x4a, {.sw
= {SW_LID
, 1}} }, /* lid close */
592 { KE_SW
, 0x4b, {.sw
= {SW_LID
, 0}} }, /* lid open */
593 { KE_KEY
, 0x6a, {KEY_CONFIG
} },
594 { KE_KEY
, 0x6d, {KEY_POWER
} },
595 { KE_KEY
, 0x71, {KEY_STOPCD
} },
596 { KE_KEY
, 0x72, {KEY_PLAYPAUSE
} },
597 { KE_KEY
, 0x74, {KEY_REWIND
} },
598 { KE_KEY
, 0x78, {KEY_FORWARD
} },
600 { KE_BLUETOOTH
, 0x44 },
605 * If your machine is not here (which is currently rather likely), please send
606 * a list of buttons and their key codes (reported when loading this module
607 * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
609 static struct dmi_system_id dmi_ids
[] __initdata
= {
611 .callback
= dmi_matched
,
612 .ident
= "Fujitsu-Siemens Amilo Pro V2000",
614 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
615 DMI_MATCH(DMI_PRODUCT_NAME
, "AMILO Pro V2000"),
617 .driver_data
= keymap_fs_amilo_pro_v2000
620 .callback
= dmi_matched
,
621 .ident
= "Fujitsu-Siemens Amilo M7400",
623 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
624 DMI_MATCH(DMI_PRODUCT_NAME
, "AMILO M "),
626 .driver_data
= keymap_fs_amilo_pro_v2000
629 .callback
= dmi_matched
,
630 .ident
= "Fujitsu N3510",
632 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU"),
633 DMI_MATCH(DMI_PRODUCT_NAME
, "N3510"),
635 .driver_data
= keymap_fujitsu_n3510
638 .callback
= dmi_matched
,
639 .ident
= "Acer Aspire 1500",
641 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
642 DMI_MATCH(DMI_PRODUCT_NAME
, "Aspire 1500"),
644 .driver_data
= keymap_acer_aspire_1500
647 .callback
= dmi_matched
,
648 .ident
= "Acer Aspire 1600",
650 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
651 DMI_MATCH(DMI_PRODUCT_NAME
, "Aspire 1600"),
653 .driver_data
= keymap_acer_aspire_1600
656 .callback
= dmi_matched
,
657 .ident
= "Acer Aspire 3020",
659 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
660 DMI_MATCH(DMI_PRODUCT_NAME
, "Aspire 3020"),
662 .driver_data
= keymap_acer_aspire_5020
665 .callback
= dmi_matched
,
666 .ident
= "Acer Aspire 5020",
668 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
669 DMI_MATCH(DMI_PRODUCT_NAME
, "Aspire 5020"),
671 .driver_data
= keymap_acer_aspire_5020
674 .callback
= dmi_matched
,
675 .ident
= "Acer TravelMate 2100",
677 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
678 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 2100"),
680 .driver_data
= keymap_acer_aspire_5020
683 .callback
= dmi_matched
,
684 .ident
= "Acer TravelMate 2410",
686 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
687 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 2410"),
689 .driver_data
= keymap_acer_travelmate_2410
692 .callback
= dmi_matched
,
693 .ident
= "Acer TravelMate C300",
695 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
696 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate C300"),
698 .driver_data
= keymap_acer_travelmate_300
701 .callback
= dmi_matched
,
702 .ident
= "Acer TravelMate C100",
704 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
705 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate C100"),
707 .driver_data
= keymap_acer_travelmate_300
710 .callback
= dmi_matched
,
711 .ident
= "Acer TravelMate C110",
713 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
714 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate C110"),
716 .driver_data
= keymap_acer_travelmate_110
719 .callback
= dmi_matched
,
720 .ident
= "Acer TravelMate 380",
722 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
723 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 380"),
725 .driver_data
= keymap_acer_travelmate_380
728 .callback
= dmi_matched
,
729 .ident
= "Acer TravelMate 370",
731 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
732 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 370"),
734 .driver_data
= keymap_acer_travelmate_380
/* keyboard minus 1 key */
737 .callback
= dmi_matched
,
738 .ident
= "Acer TravelMate 220",
740 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
741 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 220"),
743 .driver_data
= keymap_acer_travelmate_220
746 .callback
= dmi_matched
,
747 .ident
= "Acer TravelMate 260",
749 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
750 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 260"),
752 .driver_data
= keymap_acer_travelmate_220
755 .callback
= dmi_matched
,
756 .ident
= "Acer TravelMate 230",
758 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
759 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 230"),
760 /* acerhk looks for "TravelMate F4..." ?! */
762 .driver_data
= keymap_acer_travelmate_230
765 .callback
= dmi_matched
,
766 .ident
= "Acer TravelMate 280",
768 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
769 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 280"),
771 .driver_data
= keymap_acer_travelmate_230
774 .callback
= dmi_matched
,
775 .ident
= "Acer TravelMate 240",
777 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
778 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 240"),
780 .driver_data
= keymap_acer_travelmate_240
783 .callback
= dmi_matched
,
784 .ident
= "Acer TravelMate 250",
786 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
787 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 250"),
789 .driver_data
= keymap_acer_travelmate_240
792 .callback
= dmi_matched
,
793 .ident
= "Acer TravelMate 2424NWXCi",
795 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
796 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 2420"),
798 .driver_data
= keymap_acer_travelmate_240
801 .callback
= dmi_matched
,
802 .ident
= "Acer TravelMate 350",
804 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
805 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 350"),
807 .driver_data
= keymap_acer_travelmate_350
810 .callback
= dmi_matched
,
811 .ident
= "Acer TravelMate 360",
813 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
814 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 360"),
816 .driver_data
= keymap_acer_travelmate_360
819 .callback
= dmi_matched
,
820 .ident
= "Acer TravelMate 610",
822 DMI_MATCH(DMI_SYS_VENDOR
, "ACER"),
823 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 610"),
825 .driver_data
= keymap_acer_travelmate_610
828 .callback
= dmi_matched
,
829 .ident
= "Acer TravelMate 620",
831 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
832 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 620"),
834 .driver_data
= keymap_acer_travelmate_630
837 .callback
= dmi_matched
,
838 .ident
= "Acer TravelMate 630",
840 DMI_MATCH(DMI_SYS_VENDOR
, "Acer"),
841 DMI_MATCH(DMI_PRODUCT_NAME
, "TravelMate 630"),
843 .driver_data
= keymap_acer_travelmate_630
846 .callback
= dmi_matched
,
847 .ident
= "AOpen 1559AS",
849 DMI_MATCH(DMI_PRODUCT_NAME
, "E2U"),
850 DMI_MATCH(DMI_BOARD_NAME
, "E2U"),
852 .driver_data
= keymap_aopen_1559as
855 .callback
= dmi_matched
,
856 .ident
= "Medion MD 9783",
858 DMI_MATCH(DMI_SYS_VENDOR
, "MEDIONNB"),
859 DMI_MATCH(DMI_PRODUCT_NAME
, "MD 9783"),
861 .driver_data
= keymap_wistron_ms2111
864 .callback
= dmi_matched
,
865 .ident
= "Medion MD 40100",
867 DMI_MATCH(DMI_SYS_VENDOR
, "MEDIONNB"),
868 DMI_MATCH(DMI_PRODUCT_NAME
, "WID2000"),
870 .driver_data
= keymap_wistron_md40100
873 .callback
= dmi_matched
,
874 .ident
= "Medion MD 2900",
876 DMI_MATCH(DMI_SYS_VENDOR
, "MEDIONNB"),
877 DMI_MATCH(DMI_PRODUCT_NAME
, "WIM 2000"),
879 .driver_data
= keymap_wistron_md2900
882 .callback
= dmi_matched
,
883 .ident
= "Medion MD 96500",
885 DMI_MATCH(DMI_SYS_VENDOR
, "MEDIONPC"),
886 DMI_MATCH(DMI_PRODUCT_NAME
, "WIM 2040"),
888 .driver_data
= keymap_wistron_md96500
891 .callback
= dmi_matched
,
892 .ident
= "Medion MD 95400",
894 DMI_MATCH(DMI_SYS_VENDOR
, "MEDIONPC"),
895 DMI_MATCH(DMI_PRODUCT_NAME
, "WIM 2050"),
897 .driver_data
= keymap_wistron_md96500
900 .callback
= dmi_matched
,
901 .ident
= "Fujitsu Siemens Amilo D7820",
903 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"), /* not sure */
904 DMI_MATCH(DMI_PRODUCT_NAME
, "Amilo D"),
906 .driver_data
= keymap_fs_amilo_d88x0
909 .callback
= dmi_matched
,
910 .ident
= "Fujitsu Siemens Amilo D88x0",
912 DMI_MATCH(DMI_SYS_VENDOR
, "FUJITSU SIEMENS"),
913 DMI_MATCH(DMI_PRODUCT_NAME
, "AMILO D"),
915 .driver_data
= keymap_fs_amilo_d88x0
920 /* Copy the good keymap, as the original ones are free'd */
921 static int __init
copy_keymap(void)
923 const struct key_entry
*key
;
924 struct key_entry
*new_keymap
;
925 unsigned int length
= 1;
927 for (key
= keymap
; key
->type
!= KE_END
; key
++)
930 new_keymap
= kmalloc(length
* sizeof(struct key_entry
), GFP_KERNEL
);
934 memcpy(new_keymap
, keymap
, length
* sizeof(struct key_entry
));
940 static int __init
select_keymap(void)
942 dmi_check_system(dmi_ids
);
943 if (keymap_name
!= NULL
) {
944 if (strcmp (keymap_name
, "1557/MS2141") == 0)
945 keymap
= keymap_wistron_ms2141
;
946 else if (strcmp (keymap_name
, "generic") == 0)
947 keymap
= keymap_wistron_generic
;
949 printk(KERN_ERR
"wistron_btns: Keymap unknown\n");
953 if (keymap
== NULL
) {
955 printk(KERN_ERR
"wistron_btns: System unknown\n");
958 keymap
= keymap_empty
;
961 return copy_keymap();
964 /* Input layer interface */
966 static struct input_polled_dev
*wistron_idev
;
967 static unsigned long jiffies_last_press
;
968 static int wifi_enabled
;
969 static int bluetooth_enabled
;
971 static void report_key(struct input_dev
*dev
, unsigned int keycode
)
973 input_report_key(dev
, keycode
, 1);
975 input_report_key(dev
, keycode
, 0);
979 static void report_switch(struct input_dev
*dev
, unsigned int code
, int value
)
981 input_report_switch(dev
, code
, value
);
987 static void wistron_mail_led_set(struct led_classdev
*led_cdev
,
988 enum led_brightness value
)
990 bios_set_state(MAIL_LED
, (value
!= LED_OFF
) ? 1 : 0);
993 /* same as setting up wifi card, but for laptops on which the led is managed */
994 static void wistron_wifi_led_set(struct led_classdev
*led_cdev
,
995 enum led_brightness value
)
997 bios_set_state(WIFI
, (value
!= LED_OFF
) ? 1 : 0);
1000 static struct led_classdev wistron_mail_led
= {
1001 .name
= "wistron:green:mail",
1002 .brightness_set
= wistron_mail_led_set
,
1005 static struct led_classdev wistron_wifi_led
= {
1006 .name
= "wistron:red:wifi",
1007 .brightness_set
= wistron_wifi_led_set
,
1010 static void __devinit
wistron_led_init(struct device
*parent
)
1012 if (have_leds
& FE_WIFI_LED
) {
1013 u16 wifi
= bios_get_default_setting(WIFI
);
1015 wistron_wifi_led
.brightness
= (wifi
& 2) ? LED_FULL
: LED_OFF
;
1016 if (led_classdev_register(parent
, &wistron_wifi_led
))
1017 have_leds
&= ~FE_WIFI_LED
;
1019 bios_set_state(WIFI
, wistron_wifi_led
.brightness
);
1022 have_leds
&= ~FE_WIFI_LED
;
1025 if (have_leds
& FE_MAIL_LED
) {
1026 /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1027 wistron_mail_led
.brightness
= LED_OFF
;
1028 if (led_classdev_register(parent
, &wistron_mail_led
))
1029 have_leds
&= ~FE_MAIL_LED
;
1031 bios_set_state(MAIL_LED
, wistron_mail_led
.brightness
);
1035 static void __devexit
wistron_led_remove(void)
1037 if (have_leds
& FE_MAIL_LED
)
1038 led_classdev_unregister(&wistron_mail_led
);
1040 if (have_leds
& FE_WIFI_LED
)
1041 led_classdev_unregister(&wistron_wifi_led
);
1044 static inline void wistron_led_suspend(void)
1046 if (have_leds
& FE_MAIL_LED
)
1047 led_classdev_suspend(&wistron_mail_led
);
1049 if (have_leds
& FE_WIFI_LED
)
1050 led_classdev_suspend(&wistron_wifi_led
);
1053 static inline void wistron_led_resume(void)
1055 if (have_leds
& FE_MAIL_LED
)
1056 led_classdev_resume(&wistron_mail_led
);
1058 if (have_leds
& FE_WIFI_LED
)
1059 led_classdev_resume(&wistron_wifi_led
);
1062 static struct key_entry
*wistron_get_entry_by_scancode(int code
)
1064 struct key_entry
*key
;
1066 for (key
= keymap
; key
->type
!= KE_END
; key
++)
1067 if (code
== key
->code
)
1073 static struct key_entry
*wistron_get_entry_by_keycode(int keycode
)
1075 struct key_entry
*key
;
1077 for (key
= keymap
; key
->type
!= KE_END
; key
++)
1078 if (key
->type
== KE_KEY
&& keycode
== key
->keycode
)
1084 static void handle_key(u8 code
)
1086 const struct key_entry
*key
= wistron_get_entry_by_scancode(code
);
1089 switch (key
->type
) {
1091 report_key(wistron_idev
->input
, key
->keycode
);
1095 report_switch(wistron_idev
->input
,
1096 key
->sw
.code
, key
->sw
.value
);
1101 wifi_enabled
= !wifi_enabled
;
1102 bios_set_state(WIFI
, wifi_enabled
);
1107 if (have_bluetooth
) {
1108 bluetooth_enabled
= !bluetooth_enabled
;
1109 bios_set_state(BLUETOOTH
, bluetooth_enabled
);
1116 jiffies_last_press
= jiffies
;
1119 "wistron_btns: Unknown key code %02X\n", code
);
1122 static void poll_bios(bool discard
)
1128 qlen
= CMOS_READ(cmos_address
);
1131 val
= bios_pop_queue();
1132 if (val
!= 0 && !discard
)
1133 handle_key((u8
)val
);
1137 static void wistron_flush(struct input_polled_dev
*dev
)
1139 /* Flush stale event queue */
1143 static void wistron_poll(struct input_polled_dev
*dev
)
1147 /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1148 if (time_before(jiffies
, jiffies_last_press
+ 2 * HZ
))
1149 dev
->poll_interval
= POLL_INTERVAL_BURST
;
1151 dev
->poll_interval
= POLL_INTERVAL_DEFAULT
;
1154 static int wistron_getkeycode(struct input_dev
*dev
, int scancode
, int *keycode
)
1156 const struct key_entry
*key
= wistron_get_entry_by_scancode(scancode
);
1158 if (key
&& key
->type
== KE_KEY
) {
1159 *keycode
= key
->keycode
;
1166 static int wistron_setkeycode(struct input_dev
*dev
, int scancode
, int keycode
)
1168 struct key_entry
*key
;
1171 if (keycode
< 0 || keycode
> KEY_MAX
)
1174 key
= wistron_get_entry_by_scancode(scancode
);
1175 if (key
&& key
->type
== KE_KEY
) {
1176 old_keycode
= key
->keycode
;
1177 key
->keycode
= keycode
;
1178 set_bit(keycode
, dev
->keybit
);
1179 if (!wistron_get_entry_by_keycode(old_keycode
))
1180 clear_bit(old_keycode
, dev
->keybit
);
1187 static int __devinit
setup_input_dev(void)
1189 const struct key_entry
*key
;
1190 struct input_dev
*input_dev
;
1193 wistron_idev
= input_allocate_polled_device();
1197 wistron_idev
->flush
= wistron_flush
;
1198 wistron_idev
->poll
= wistron_poll
;
1199 wistron_idev
->poll_interval
= POLL_INTERVAL_DEFAULT
;
1201 input_dev
= wistron_idev
->input
;
1202 input_dev
->name
= "Wistron laptop buttons";
1203 input_dev
->phys
= "wistron/input0";
1204 input_dev
->id
.bustype
= BUS_HOST
;
1205 input_dev
->dev
.parent
= &wistron_device
->dev
;
1207 input_dev
->getkeycode
= wistron_getkeycode
;
1208 input_dev
->setkeycode
= wistron_setkeycode
;
1210 for (key
= keymap
; key
->type
!= KE_END
; key
++) {
1211 switch (key
->type
) {
1213 set_bit(EV_KEY
, input_dev
->evbit
);
1214 set_bit(key
->keycode
, input_dev
->keybit
);
1218 set_bit(EV_SW
, input_dev
->evbit
);
1219 set_bit(key
->sw
.code
, input_dev
->swbit
);
1227 /* reads information flags on KE_END */
1228 if (key
->code
& FE_UNTESTED
)
1229 printk(KERN_WARNING
"Untested laptop multimedia keys, "
1230 "please report success or failure to eric.piel"
1231 "@tremplin-utc.net\n");
1233 error
= input_register_polled_device(wistron_idev
);
1235 input_free_polled_device(wistron_idev
);
1244 static int __devinit
wistron_probe(struct platform_device
*dev
)
1249 cmos_address
= bios_get_cmos_address();
1252 u16 wifi
= bios_get_default_setting(WIFI
);
1254 wifi_enabled
= (wifi
& 2) ? 1 : 0;
1259 bios_set_state(WIFI
, wifi_enabled
);
1262 if (have_bluetooth
) {
1263 u16 bt
= bios_get_default_setting(BLUETOOTH
);
1265 bluetooth_enabled
= (bt
& 2) ? 1 : 0;
1270 bios_set_state(BLUETOOTH
, bluetooth_enabled
);
1273 wistron_led_init(&dev
->dev
);
1274 err
= setup_input_dev();
1283 static int __devexit
wistron_remove(struct platform_device
*dev
)
1285 wistron_led_remove();
1286 input_unregister_polled_device(wistron_idev
);
1287 input_free_polled_device(wistron_idev
);
1294 static int wistron_suspend(struct platform_device
*dev
, pm_message_t state
)
1297 bios_set_state(WIFI
, 0);
1300 bios_set_state(BLUETOOTH
, 0);
1302 wistron_led_suspend();
1306 static int wistron_resume(struct platform_device
*dev
)
1309 bios_set_state(WIFI
, wifi_enabled
);
1312 bios_set_state(BLUETOOTH
, bluetooth_enabled
);
1314 wistron_led_resume();
1320 #define wistron_suspend NULL
1321 #define wistron_resume NULL
1324 static struct platform_driver wistron_driver
= {
1326 .name
= "wistron-bios",
1327 .owner
= THIS_MODULE
,
1329 .probe
= wistron_probe
,
1330 .remove
= __devexit_p(wistron_remove
),
1331 .suspend
= wistron_suspend
,
1332 .resume
= wistron_resume
,
1335 static int __init
wb_module_init(void)
1339 err
= select_keymap();
1347 err
= platform_driver_register(&wistron_driver
);
1349 goto err_unmap_bios
;
1351 wistron_device
= platform_device_alloc("wistron-bios", -1);
1352 if (!wistron_device
) {
1354 goto err_unregister_driver
;
1357 err
= platform_device_add(wistron_device
);
1359 goto err_free_device
;
1364 platform_device_put(wistron_device
);
1365 err_unregister_driver
:
1366 platform_driver_unregister(&wistron_driver
);
1373 static void __exit
wb_module_exit(void)
1375 platform_device_unregister(wistron_device
);
1376 platform_driver_unregister(&wistron_driver
);
1381 module_init(wb_module_init
);
1382 module_exit(wb_module_exit
);