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replace some function names
[linux-2.6/zen-sources.git] / drivers / input / misc / wistron_btns.c
blob7c8957dd22c03d42252e410af97e385c78b2c4b7
1 /*
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>
6 *
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
9 * Foundation.
10 *
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.
15 *
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.
19 */
20 #include <linux/io.h>
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>
34
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 */
38
39 /* BIOS subsystem IDs */
40 #define WIFI 0x35
41 #define BLUETOOTH 0x34
42 #define MAIL_LED 0x31
43
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");
48
49 static int force; /* = 0; */
50 module_param(force, bool, 0);
51 MODULE_PARM_DESC(force, "Load even if computer is not in database");
52
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]");
56
57 static struct platform_device *wistron_device;
58
59 /* BIOS interface implementation */
60
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;
64
65 static u8 cmos_address;
66
67 struct regs {
68 u32 eax, ebx, ecx;
69 };
70
71 static void call_bios(struct regs *regs)
72 {
73 unsigned long flags;
74
75 preempt_disable();
76 local_irq_save(flags);
77 asm volatile ("pushl %%ebp;"
78 "movl %7, %%ebp;"
79 "call *%6;"
80 "popl %%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);
86 preempt_enable();
87 }
88
89 static ssize_t __init locate_wistron_bios(void __iomem *base)
90 {
91 static unsigned char __initdata signature[] =
92 { 0x42, 0x21, 0x55, 0x30 };
93 ssize_t offset;
94
95 for (offset = 0; offset < 0x10000; offset += 0x10) {
96 if (check_signature(base + offset, signature,
97 sizeof(signature)) != 0)
98 return offset;
99 }
100 return -1;
101 }
102
103 static int __init map_bios(void)
104 {
105 void __iomem *base;
106 ssize_t offset;
107 u32 entry_point;
108
109 base = ioremap(0xF0000, 0x10000); /* Can't fail */
110 offset = locate_wistron_bios(base);
111 if (offset < 0) {
112 printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
113 iounmap(base);
114 return -ENODEV;
115 }
116
117 entry_point = readl(base + offset + 5);
118 printk(KERN_DEBUG
119 "wistron_btns: BIOS signature found at %p, entry point %08X\n",
120 base + offset, entry_point);
121
122 if (entry_point >= 0xF0000) {
123 bios_code_map_base = base;
124 bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
125 } else {
126 iounmap(base);
127 bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
128 if (bios_code_map_base == NULL) {
129 printk(KERN_ERR
130 "wistron_btns: Can't map BIOS code at %08X\n",
131 entry_point & ~0x3FFF);
132 goto err;
133 }
134 bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
135 }
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");
140 goto err_code;
141 }
142 return 0;
143
144 err_code:
145 iounmap(bios_code_map_base);
146 err:
147 return -ENOMEM;
148 }
149
150 static inline void unmap_bios(void)
151 {
152 iounmap(bios_code_map_base);
153 iounmap(bios_data_map_base);
154 }
155
156 /* BIOS calls */
157
158 static u16 bios_pop_queue(void)
159 {
160 struct regs regs;
161
162 memset(&regs, 0, sizeof (regs));
163 regs.eax = 0x9610;
164 regs.ebx = 0x061C;
165 regs.ecx = 0x0000;
166 call_bios(&regs);
167
168 return regs.eax;
169 }
170
171 static void __devinit bios_attach(void)
172 {
173 struct regs regs;
174
175 memset(&regs, 0, sizeof (regs));
176 regs.eax = 0x9610;
177 regs.ebx = 0x012E;
178 call_bios(&regs);
179 }
180
181 static void bios_detach(void)
182 {
183 struct regs regs;
184
185 memset(&regs, 0, sizeof (regs));
186 regs.eax = 0x9610;
187 regs.ebx = 0x002E;
188 call_bios(&regs);
189 }
190
191 static u8 __devinit bios_get_cmos_address(void)
192 {
193 struct regs regs;
194
195 memset(&regs, 0, sizeof (regs));
196 regs.eax = 0x9610;
197 regs.ebx = 0x051C;
198 call_bios(&regs);
199
200 return regs.ecx;
201 }
202
203 static u16 __devinit bios_get_default_setting(u8 subsys)
204 {
205 struct regs regs;
206
207 memset(&regs, 0, sizeof (regs));
208 regs.eax = 0x9610;
209 regs.ebx = 0x0200 | subsys;
210 call_bios(&regs);
211
212 return regs.eax;
213 }
214
215 static void bios_set_state(u8 subsys, int enable)
216 {
217 struct regs regs;
218
219 memset(&regs, 0, sizeof (regs));
220 regs.eax = 0x9610;
221 regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
222 call_bios(&regs);
223 }
224
225 /* Hardware database */
226
227 struct key_entry {
228 char type; /* See KE_* below */
229 u8 code;
230 union {
231 u16 keycode; /* For KE_KEY */
232 struct { /* For KE_SW */
233 u8 code;
234 u8 value;
235 } sw;
236 };
237 };
238
239 enum { KE_END, KE_KEY, KE_SW, KE_WIFI, KE_BLUETOOTH };
240
241 #define FE_MAIL_LED 0x01
242 #define FE_WIFI_LED 0x02
243 #define FE_UNTESTED 0x80
244
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;
249
250 static int __init dmi_matched(const struct dmi_system_id *dmi)
251 {
252 const struct key_entry *key;
253
254 keymap = dmi->driver_data;
255 for (key = keymap; key->type != KE_END; key++) {
256 if (key->type == KE_WIFI)
257 have_wifi = 1;
258 else if (key->type == KE_BLUETOOTH)
259 have_bluetooth = 1;
260 }
261 have_leds = key->code & (FE_MAIL_LED | FE_WIFI_LED);
262
263 return 1;
264 }
265
266 static struct key_entry keymap_empty[] __initdata = {
267 { KE_END, 0 }
268 };
269
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} },
274 { KE_WIFI, 0x30 },
275 { KE_KEY, 0x31, {KEY_MAIL} },
276 { KE_KEY, 0x36, {KEY_WWW} },
277 { KE_END, 0 }
278 };
279
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 */
287 { KE_END, 0 }
288 };
289
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} },
299 { KE_END, 0 }
300 };
301
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 }
309 };
310
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 }
318 };
319
320 static struct key_entry keymap_wistron_ms2141[] __initdata = {
321 { KE_KEY, 0x11, {KEY_PROG1} },
322 { KE_KEY, 0x12, {KEY_PROG2} },
323 { KE_WIFI, 0x30 },
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} },
330 { KE_END, 0 }
331 };
332
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} },
338 { KE_WIFI, 0x30 },
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 }
344 };
345
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} },
356 { KE_WIFI, 0x30 },
357 { KE_BLUETOOTH, 0x44 },
358 { KE_END, FE_MAIL_LED | FE_UNTESTED }
359 };
360
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} },
371 { KE_WIFI, 0x30 },
372 { KE_BLUETOOTH, 0x44 },
373 { KE_END, FE_MAIL_LED | FE_UNTESTED }
374 };
375
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} },
384 { KE_WIFI, 0x30 },
385 { KE_BLUETOOTH, 0x44 },
386 { KE_END, FE_MAIL_LED | FE_UNTESTED }
387 };
388
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 */
402 { KE_WIFI, 0x30 },
403 { KE_END, FE_MAIL_LED | FE_UNTESTED }
404 };
405
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} },
417 { KE_WIFI, 0x30 },
418 { KE_BLUETOOTH, 0x44 },
419 { KE_END, FE_MAIL_LED | FE_UNTESTED }
420 };
421
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} },
431 { KE_WIFI, 0x30 },
432 { KE_END, FE_MAIL_LED | FE_UNTESTED }
433 };
434
435 /* unusual map */
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 }
444 };
445
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 }
454 };
455
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 },
466 { KE_WIFI, 0x30 },
467 { KE_END, FE_UNTESTED }
468 };
469
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 }
479 };
480
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 */
491 };
492
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 }
506 };
507
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} },
520 { KE_WIFI, 0x30 },
521 { KE_END, FE_MAIL_LED | FE_UNTESTED }
522 };
523
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} },
529 { KE_WIFI, 0x30 },
530 { KE_KEY, 0x31, {KEY_MAIL} },
531 { KE_KEY, 0x36, {KEY_WWW} },
532 { KE_END, 0 },
533 };
534
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 }
544 };
545
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} },
553 { KE_WIFI, 0x30 },
554 { KE_END, FE_MAIL_LED | FE_UNTESTED }
555 };
556
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} },
573 { KE_WIFI, 0x30 },
574 { KE_BLUETOOTH, 0x44 },
575 { KE_END, FE_UNTESTED }
576 };
577
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} },
609 { KE_WIFI, 0x30 },
610 { KE_BLUETOOTH, 0x44 },
611 { KE_END, 0 }
612 };
613
614 /*
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.
618 */
619 static struct dmi_system_id dmi_ids[] __initdata = {
620 {
621 .callback = dmi_matched,
622 .ident = "Fujitsu-Siemens Amilo Pro V2000",
623 .matches = {
624 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
625 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
626 },
627 .driver_data = keymap_fs_amilo_pro_v2000
628 },
629 {
630 .callback = dmi_matched,
631 .ident = "Fujitsu-Siemens Amilo Pro Edition V3505",
632 .matches = {
633 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
634 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
635 },
636 .driver_data = keymap_fs_amilo_pro_v3505
637 },
638 {
639 .callback = dmi_matched,
640 .ident = "Fujitsu-Siemens Amilo M7400",
641 .matches = {
642 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
643 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
644 },
645 .driver_data = keymap_fs_amilo_pro_v2000
646 },
647 {
648 .callback = dmi_matched,
649 .ident = "Fujitsu N3510",
650 .matches = {
651 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
652 DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
653 },
654 .driver_data = keymap_fujitsu_n3510
655 },
656 {
657 .callback = dmi_matched,
658 .ident = "Acer Aspire 1500",
659 .matches = {
660 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
661 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
662 },
663 .driver_data = keymap_acer_aspire_1500
664 },
665 {
666 .callback = dmi_matched,
667 .ident = "Acer Aspire 1600",
668 .matches = {
669 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
670 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
671 },
672 .driver_data = keymap_acer_aspire_1600
673 },
674 {
675 .callback = dmi_matched,
676 .ident = "Acer Aspire 3020",
677 .matches = {
678 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
679 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
680 },
681 .driver_data = keymap_acer_aspire_5020
682 },
683 {
684 .callback = dmi_matched,
685 .ident = "Acer Aspire 5020",
686 .matches = {
687 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
688 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
689 },
690 .driver_data = keymap_acer_aspire_5020
691 },
692 {
693 .callback = dmi_matched,
694 .ident = "Acer TravelMate 2100",
695 .matches = {
696 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
697 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
698 },
699 .driver_data = keymap_acer_aspire_5020
700 },
701 {
702 .callback = dmi_matched,
703 .ident = "Acer TravelMate 2410",
704 .matches = {
705 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
706 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
707 },
708 .driver_data = keymap_acer_travelmate_2410
709 },
710 {
711 .callback = dmi_matched,
712 .ident = "Acer TravelMate C300",
713 .matches = {
714 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
715 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
716 },
717 .driver_data = keymap_acer_travelmate_300
718 },
719 {
720 .callback = dmi_matched,
721 .ident = "Acer TravelMate C100",
722 .matches = {
723 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
724 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
725 },
726 .driver_data = keymap_acer_travelmate_300
727 },
728 {
729 .callback = dmi_matched,
730 .ident = "Acer TravelMate C110",
731 .matches = {
732 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
733 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
734 },
735 .driver_data = keymap_acer_travelmate_110
736 },
737 {
738 .callback = dmi_matched,
739 .ident = "Acer TravelMate 380",
740 .matches = {
741 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
742 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
743 },
744 .driver_data = keymap_acer_travelmate_380
745 },
746 {
747 .callback = dmi_matched,
748 .ident = "Acer TravelMate 370",
749 .matches = {
750 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
751 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
752 },
753 .driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
754 },
755 {
756 .callback = dmi_matched,
757 .ident = "Acer TravelMate 220",
758 .matches = {
759 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
760 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
761 },
762 .driver_data = keymap_acer_travelmate_220
763 },
764 {
765 .callback = dmi_matched,
766 .ident = "Acer TravelMate 260",
767 .matches = {
768 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
769 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
770 },
771 .driver_data = keymap_acer_travelmate_220
772 },
773 {
774 .callback = dmi_matched,
775 .ident = "Acer TravelMate 230",
776 .matches = {
777 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
778 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
779 /* acerhk looks for "TravelMate F4..." ?! */
780 },
781 .driver_data = keymap_acer_travelmate_230
782 },
783 {
784 .callback = dmi_matched,
785 .ident = "Acer TravelMate 280",
786 .matches = {
787 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
788 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
789 },
790 .driver_data = keymap_acer_travelmate_230
791 },
792 {
793 .callback = dmi_matched,
794 .ident = "Acer TravelMate 240",
795 .matches = {
796 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
797 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
798 },
799 .driver_data = keymap_acer_travelmate_240
800 },
801 {
802 .callback = dmi_matched,
803 .ident = "Acer TravelMate 250",
804 .matches = {
805 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
806 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
807 },
808 .driver_data = keymap_acer_travelmate_240
809 },
810 {
811 .callback = dmi_matched,
812 .ident = "Acer TravelMate 2424NWXCi",
813 .matches = {
814 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
815 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
816 },
817 .driver_data = keymap_acer_travelmate_240
818 },
819 {
820 .callback = dmi_matched,
821 .ident = "Acer TravelMate 350",
822 .matches = {
823 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
824 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
825 },
826 .driver_data = keymap_acer_travelmate_350
827 },
828 {
829 .callback = dmi_matched,
830 .ident = "Acer TravelMate 360",
831 .matches = {
832 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
833 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
834 },
835 .driver_data = keymap_acer_travelmate_360
836 },
837 {
838 .callback = dmi_matched,
839 .ident = "Acer TravelMate 610",
840 .matches = {
841 DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
842 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
843 },
844 .driver_data = keymap_acer_travelmate_610
845 },
846 {
847 .callback = dmi_matched,
848 .ident = "Acer TravelMate 620",
849 .matches = {
850 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
851 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
852 },
853 .driver_data = keymap_acer_travelmate_630
854 },
855 {
856 .callback = dmi_matched,
857 .ident = "Acer TravelMate 630",
858 .matches = {
859 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
860 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
861 },
862 .driver_data = keymap_acer_travelmate_630
863 },
864 {
865 .callback = dmi_matched,
866 .ident = "AOpen 1559AS",
867 .matches = {
868 DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
869 DMI_MATCH(DMI_BOARD_NAME, "E2U"),
870 },
871 .driver_data = keymap_aopen_1559as
872 },
873 {
874 .callback = dmi_matched,
875 .ident = "Medion MD 9783",
876 .matches = {
877 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
878 DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
879 },
880 .driver_data = keymap_wistron_ms2111
881 },
882 {
883 .callback = dmi_matched,
884 .ident = "Medion MD 40100",
885 .matches = {
886 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
887 DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
888 },
889 .driver_data = keymap_wistron_md40100
890 },
891 {
892 .callback = dmi_matched,
893 .ident = "Medion MD 2900",
894 .matches = {
895 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
896 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
897 },
898 .driver_data = keymap_wistron_md2900
899 },
900 {
901 .callback = dmi_matched,
902 .ident = "Medion MD 96500",
903 .matches = {
904 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
905 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
906 },
907 .driver_data = keymap_wistron_md96500
908 },
909 {
910 .callback = dmi_matched,
911 .ident = "Medion MD 95400",
912 .matches = {
913 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
914 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
915 },
916 .driver_data = keymap_wistron_md96500
917 },
918 {
919 .callback = dmi_matched,
920 .ident = "Fujitsu Siemens Amilo D7820",
921 .matches = {
922 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
923 DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
924 },
925 .driver_data = keymap_fs_amilo_d88x0
926 },
927 {
928 .callback = dmi_matched,
929 .ident = "Fujitsu Siemens Amilo D88x0",
930 .matches = {
931 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
932 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
933 },
934 .driver_data = keymap_fs_amilo_d88x0
935 },
936 { NULL, }
937 };
938
939 /* Copy the good keymap, as the original ones are free'd */
940 static int __init copy_keymap(void)
941 {
942 const struct key_entry *key;
943 struct key_entry *new_keymap;
944 unsigned int length = 1;
945
946 for (key = keymap; key->type != KE_END; key++)
947 length++;
948
949 new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
950 if (!new_keymap)
951 return -ENOMEM;
952
953 memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
954 keymap = new_keymap;
955
956 return 0;
957 }
958
959 static int __init select_keymap(void)
960 {
961 dmi_check_system(dmi_ids);
962 if (keymap_name != NULL) {
963 if (strcmp (keymap_name, "1557/MS2141") == 0)
964 keymap = keymap_wistron_ms2141;
965 else if (strcmp (keymap_name, "generic") == 0)
966 keymap = keymap_wistron_generic;
967 else {
968 printk(KERN_ERR "wistron_btns: Keymap unknown\n");
969 return -EINVAL;
970 }
971 }
972 if (keymap == NULL) {
973 if (!force) {
974 printk(KERN_ERR "wistron_btns: System unknown\n");
975 return -ENODEV;
976 }
977 keymap = keymap_empty;
978 }
979
980 return copy_keymap();
981 }
982
983 /* Input layer interface */
984
985 static struct input_polled_dev *wistron_idev;
986 static unsigned long jiffies_last_press;
987 static int wifi_enabled;
988 static int bluetooth_enabled;
989
990 static void report_key(struct input_dev *dev, unsigned int keycode)
991 {
992 input_report_key(dev, keycode, 1);
993 input_sync(dev);
994 input_report_key(dev, keycode, 0);
995 input_sync(dev);
996 }
997
998 static void report_switch(struct input_dev *dev, unsigned int code, int value)
999 {
1000 input_report_switch(dev, code, value);
1001 input_sync(dev);
1002 }
1003
1004
1005 /* led management */
1006 static void wistron_mail_led_set(struct led_classdev *led_cdev,
1007 enum led_brightness value)
1008 {
1009 bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
1010 }
1011
1012 /* same as setting up wifi card, but for laptops on which the led is managed */
1013 static void wistron_wifi_led_set(struct led_classdev *led_cdev,
1014 enum led_brightness value)
1015 {
1016 bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
1017 }
1018
1019 static struct led_classdev wistron_mail_led = {
1020 .name = "wistron:green:mail",
1021 .brightness_set = wistron_mail_led_set,
1022 };
1023
1024 static struct led_classdev wistron_wifi_led = {
1025 .name = "wistron:red:wifi",
1026 .brightness_set = wistron_wifi_led_set,
1027 };
1028
1029 static void __devinit wistron_led_init(struct device *parent)
1030 {
1031 if (have_leds & FE_WIFI_LED) {
1032 u16 wifi = bios_get_default_setting(WIFI);
1033 if (wifi & 1) {
1034 wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1035 if (led_classdev_register(parent, &wistron_wifi_led))
1036 have_leds &= ~FE_WIFI_LED;
1037 else
1038 bios_set_state(WIFI, wistron_wifi_led.brightness);
1039
1040 } else
1041 have_leds &= ~FE_WIFI_LED;
1042 }
1043
1044 if (have_leds & FE_MAIL_LED) {
1045 /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1046 wistron_mail_led.brightness = LED_OFF;
1047 if (led_classdev_register(parent, &wistron_mail_led))
1048 have_leds &= ~FE_MAIL_LED;
1049 else
1050 bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1051 }
1052 }
1053
1054 static void __devexit wistron_led_remove(void)
1055 {
1056 if (have_leds & FE_MAIL_LED)
1057 led_classdev_unregister(&wistron_mail_led);
1058
1059 if (have_leds & FE_WIFI_LED)
1060 led_classdev_unregister(&wistron_wifi_led);
1061 }
1062
1063 static inline void wistron_led_suspend(void)
1064 {
1065 if (have_leds & FE_MAIL_LED)
1066 led_classdev_suspend(&wistron_mail_led);
1067
1068 if (have_leds & FE_WIFI_LED)
1069 led_classdev_suspend(&wistron_wifi_led);
1070 }
1071
1072 static inline void wistron_led_resume(void)
1073 {
1074 if (have_leds & FE_MAIL_LED)
1075 led_classdev_resume(&wistron_mail_led);
1076
1077 if (have_leds & FE_WIFI_LED)
1078 led_classdev_resume(&wistron_wifi_led);
1079 }
1080
1081 static struct key_entry *wistron_get_entry_by_scancode(int code)
1082 {
1083 struct key_entry *key;
1084
1085 for (key = keymap; key->type != KE_END; key++)
1086 if (code == key->code)
1087 return key;
1088
1089 return NULL;
1090 }
1091
1092 static struct key_entry *wistron_get_entry_by_keycode(int keycode)
1093 {
1094 struct key_entry *key;
1095
1096 for (key = keymap; key->type != KE_END; key++)
1097 if (key->type == KE_KEY && keycode == key->keycode)
1098 return key;
1099
1100 return NULL;
1101 }
1102
1103 static void handle_key(u8 code)
1104 {
1105 const struct key_entry *key = wistron_get_entry_by_scancode(code);
1106
1107 if (key) {
1108 switch (key->type) {
1109 case KE_KEY:
1110 report_key(wistron_idev->input, key->keycode);
1111 break;
1112
1113 case KE_SW:
1114 report_switch(wistron_idev->input,
1115 key->sw.code, key->sw.value);
1116 break;
1117
1118 case KE_WIFI:
1119 if (have_wifi) {
1120 wifi_enabled = !wifi_enabled;
1121 bios_set_state(WIFI, wifi_enabled);
1122 }
1123 break;
1124
1125 case KE_BLUETOOTH:
1126 if (have_bluetooth) {
1127 bluetooth_enabled = !bluetooth_enabled;
1128 bios_set_state(BLUETOOTH, bluetooth_enabled);
1129 }
1130 break;
1131
1132 default:
1133 BUG();
1134 }
1135 jiffies_last_press = jiffies;
1136 } else
1137 printk(KERN_NOTICE
1138 "wistron_btns: Unknown key code %02X\n", code);
1139 }
1140
1141 static void poll_bios(bool discard)
1142 {
1143 u8 qlen;
1144 u16 val;
1145
1146 for (;;) {
1147 qlen = CMOS_READ(cmos_address);
1148 if (qlen == 0)
1149 break;
1150 val = bios_pop_queue();
1151 if (val != 0 && !discard)
1152 handle_key((u8)val);
1153 }
1154 }
1155
1156 static void wistron_flush(struct input_polled_dev *dev)
1157 {
1158 /* Flush stale event queue */
1159 poll_bios(true);
1160 }
1161
1162 static void wistron_poll(struct input_polled_dev *dev)
1163 {
1164 poll_bios(false);
1165
1166 /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1167 if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1168 dev->poll_interval = POLL_INTERVAL_BURST;
1169 else
1170 dev->poll_interval = POLL_INTERVAL_DEFAULT;
1171 }
1172
1173 static int wistron_getkeycode(struct input_dev *dev, int scancode, int *keycode)
1174 {
1175 const struct key_entry *key = wistron_get_entry_by_scancode(scancode);
1176
1177 if (key && key->type == KE_KEY) {
1178 *keycode = key->keycode;
1179 return 0;
1180 }
1181
1182 return -EINVAL;
1183 }
1184
1185 static int wistron_setkeycode(struct input_dev *dev, int scancode, int keycode)
1186 {
1187 struct key_entry *key;
1188 int old_keycode;
1189
1190 if (keycode < 0 || keycode > KEY_MAX)
1191 return -EINVAL;
1192
1193 key = wistron_get_entry_by_scancode(scancode);
1194 if (key && key->type == KE_KEY) {
1195 old_keycode = key->keycode;
1196 key->keycode = keycode;
1197 set_bit(keycode, dev->keybit);
1198 if (!wistron_get_entry_by_keycode(old_keycode))
1199 clear_bit(old_keycode, dev->keybit);
1200 return 0;
1201 }
1202
1203 return -EINVAL;
1204 }
1205
1206 static int __devinit setup_input_dev(void)
1207 {
1208 struct key_entry *key;
1209 struct input_dev *input_dev;
1210 int error;
1211
1212 wistron_idev = input_allocate_polled_device();
1213 if (!wistron_idev)
1214 return -ENOMEM;
1215
1216 wistron_idev->flush = wistron_flush;
1217 wistron_idev->poll = wistron_poll;
1218 wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1219
1220 input_dev = wistron_idev->input;
1221 input_dev->name = "Wistron laptop buttons";
1222 input_dev->phys = "wistron/input0";
1223 input_dev->id.bustype = BUS_HOST;
1224 input_dev->dev.parent = &wistron_device->dev;
1225
1226 input_dev->getkeycode = wistron_getkeycode;
1227 input_dev->setkeycode = wistron_setkeycode;
1228
1229 for (key = keymap; key->type != KE_END; key++) {
1230 switch (key->type) {
1231 case KE_KEY:
1232 set_bit(EV_KEY, input_dev->evbit);
1233 set_bit(key->keycode, input_dev->keybit);
1234 break;
1235
1236 case KE_SW:
1237 set_bit(EV_SW, input_dev->evbit);
1238 set_bit(key->sw.code, input_dev->swbit);
1239 break;
1240
1241 /* if wifi or bluetooth are not available, create normal keys */
1242 case KE_WIFI:
1243 if (!have_wifi) {
1244 key->type = KE_KEY;
1245 key->keycode = KEY_WLAN;
1246 key--;
1247 }
1248 break;
1249
1250 case KE_BLUETOOTH:
1251 if (!have_bluetooth) {
1252 key->type = KE_KEY;
1253 key->keycode = KEY_BLUETOOTH;
1254 key--;
1255 }
1256 break;
1257
1258 default:
1259 break;
1260 }
1261 }
1262
1263 /* reads information flags on KE_END */
1264 if (key->code & FE_UNTESTED)
1265 printk(KERN_WARNING "Untested laptop multimedia keys, "
1266 "please report success or failure to eric.piel"
1267 "@tremplin-utc.net\n");
1268
1269 error = input_register_polled_device(wistron_idev);
1270 if (error) {
1271 input_free_polled_device(wistron_idev);
1272 return error;
1273 }
1274
1275 return 0;
1276 }
1277
1278 /* Driver core */
1279
1280 static int __devinit wistron_probe(struct platform_device *dev)
1281 {
1282 int err;
1283
1284 bios_attach();
1285 cmos_address = bios_get_cmos_address();
1286
1287 if (have_wifi) {
1288 u16 wifi = bios_get_default_setting(WIFI);
1289 if (wifi & 1)
1290 wifi_enabled = (wifi & 2) ? 1 : 0;
1291 else
1292 have_wifi = 0;
1293
1294 if (have_wifi)
1295 bios_set_state(WIFI, wifi_enabled);
1296 }
1297
1298 if (have_bluetooth) {
1299 u16 bt = bios_get_default_setting(BLUETOOTH);
1300 if (bt & 1)
1301 bluetooth_enabled = (bt & 2) ? 1 : 0;
1302 else
1303 have_bluetooth = 0;
1304
1305 if (have_bluetooth)
1306 bios_set_state(BLUETOOTH, bluetooth_enabled);
1307 }
1308
1309 wistron_led_init(&dev->dev);
1310 err = setup_input_dev();
1311 if (err) {
1312 bios_detach();
1313 return err;
1314 }
1315
1316 return 0;
1317 }
1318
1319 static int __devexit wistron_remove(struct platform_device *dev)
1320 {
1321 wistron_led_remove();
1322 input_unregister_polled_device(wistron_idev);
1323 input_free_polled_device(wistron_idev);
1324 bios_detach();
1325
1326 return 0;
1327 }
1328
1329 #ifdef CONFIG_PM
1330 static int wistron_suspend(struct platform_device *dev, pm_message_t state)
1331 {
1332 if (have_wifi)
1333 bios_set_state(WIFI, 0);
1334
1335 if (have_bluetooth)
1336 bios_set_state(BLUETOOTH, 0);
1337
1338 wistron_led_suspend();
1339 return 0;
1340 }
1341
1342 static int wistron_resume(struct platform_device *dev)
1343 {
1344 if (have_wifi)
1345 bios_set_state(WIFI, wifi_enabled);
1346
1347 if (have_bluetooth)
1348 bios_set_state(BLUETOOTH, bluetooth_enabled);
1349
1350 wistron_led_resume();
1351 poll_bios(true);
1352
1353 return 0;
1354 }
1355 #else
1356 #define wistron_suspend NULL
1357 #define wistron_resume NULL
1358 #endif
1359
1360 static struct platform_driver wistron_driver = {
1361 .driver = {
1362 .name = "wistron-bios",
1363 .owner = THIS_MODULE,
1364 },
1365 .probe = wistron_probe,
1366 .remove = __devexit_p(wistron_remove),
1367 .suspend = wistron_suspend,
1368 .resume = wistron_resume,
1369 };
1370
1371 static int __init wb_module_init(void)
1372 {
1373 int err;
1374
1375 err = select_keymap();
1376 if (err)
1377 return err;
1378
1379 err = map_bios();
1380 if (err)
1381 return err;
1382
1383 err = platform_driver_register(&wistron_driver);
1384 if (err)
1385 goto err_unmap_bios;
1386
1387 wistron_device = platform_device_alloc("wistron-bios", -1);
1388 if (!wistron_device) {
1389 err = -ENOMEM;
1390 goto err_unregister_driver;
1391 }
1392
1393 err = platform_device_add(wistron_device);
1394 if (err)
1395 goto err_free_device;
1396
1397 return 0;
1398
1399 err_free_device:
1400 platform_device_put(wistron_device);
1401 err_unregister_driver:
1402 platform_driver_unregister(&wistron_driver);
1403 err_unmap_bios:
1404 unmap_bios();
1405
1406 return err;
1407 }
1408
1409 static void __exit wb_module_exit(void)
1410 {
1411 platform_device_unregister(wistron_device);
1412 platform_driver_unregister(&wistron_driver);
1413 unmap_bios();
1414 kfree(keymap);
1415 }
1416
1417 module_init(wb_module_init);
1418 module_exit(wb_module_exit);
Stable & featurefull patchset based on Linus's git branch