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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / input / misc / wistron_btns.c
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/input/sparse-keymap.h>
25 #include <linux/interrupt.h>
26 #include <linux/jiffies.h>
27 #include <linux/kernel.h>
28 #include <linux/mc146818rtc.h>
29 #include <linux/module.h>
30 #include <linux/preempt.h>
31 #include <linux/string.h>
32 #include <linux/slab.h>
33 #include <linux/types.h>
34 #include <linux/platform_device.h>
35 #include <linux/leds.h>
36
37 /* How often we poll keys - msecs */
38 #define POLL_INTERVAL_DEFAULT 500 /* when idle */
39 #define POLL_INTERVAL_BURST 100 /* when a key was recently pressed */
40
41 /* BIOS subsystem IDs */
42 #define WIFI 0x35
43 #define BLUETOOTH 0x34
44 #define MAIL_LED 0x31
45
46 MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
47 MODULE_DESCRIPTION("Wistron laptop button driver");
48 MODULE_LICENSE("GPL v2");
49 MODULE_VERSION("0.3");
50
51 static int force; /* = 0; */
52 module_param(force, bool, 0);
53 MODULE_PARM_DESC(force, "Load even if computer is not in database");
54
55 static char *keymap_name; /* = NULL; */
56 module_param_named(keymap, keymap_name, charp, 0);
57 MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected [generic, 1557/MS2141]");
58
59 static struct platform_device *wistron_device;
60
61 /* BIOS interface implementation */
62
63 static void __iomem *bios_entry_point; /* BIOS routine entry point */
64 static void __iomem *bios_code_map_base;
65 static void __iomem *bios_data_map_base;
66
67 static u8 cmos_address;
68
69 struct regs {
70 u32 eax, ebx, ecx;
71 };
72
73 static void call_bios(struct regs *regs)
74 {
75 unsigned long flags;
76
77 preempt_disable();
78 local_irq_save(flags);
79 asm volatile ("pushl %%ebp;"
80 "movl %7, %%ebp;"
81 "call *%6;"
82 "popl %%ebp"
83 : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
84 : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
85 "m" (bios_entry_point), "m" (bios_data_map_base)
86 : "edx", "edi", "esi", "memory");
87 local_irq_restore(flags);
88 preempt_enable();
89 }
90
91 static ssize_t __init locate_wistron_bios(void __iomem *base)
92 {
93 static unsigned char __initdata signature[] =
94 { 0x42, 0x21, 0x55, 0x30 };
95 ssize_t offset;
96
97 for (offset = 0; offset < 0x10000; offset += 0x10) {
98 if (check_signature(base + offset, signature,
99 sizeof(signature)) != 0)
100 return offset;
101 }
102 return -1;
103 }
104
105 static int __init map_bios(void)
106 {
107 void __iomem *base;
108 ssize_t offset;
109 u32 entry_point;
110
111 base = ioremap(0xF0000, 0x10000); /* Can't fail */
112 offset = locate_wistron_bios(base);
113 if (offset < 0) {
114 printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
115 iounmap(base);
116 return -ENODEV;
117 }
118
119 entry_point = readl(base + offset + 5);
120 printk(KERN_DEBUG
121 "wistron_btns: BIOS signature found at %p, entry point %08X\n",
122 base + offset, entry_point);
123
124 if (entry_point >= 0xF0000) {
125 bios_code_map_base = base;
126 bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
127 } else {
128 iounmap(base);
129 bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
130 if (bios_code_map_base == NULL) {
131 printk(KERN_ERR
132 "wistron_btns: Can't map BIOS code at %08X\n",
133 entry_point & ~0x3FFF);
134 goto err;
135 }
136 bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
137 }
138 /* The Windows driver maps 0x10000 bytes, we keep only one page... */
139 bios_data_map_base = ioremap(0x400, 0xc00);
140 if (bios_data_map_base == NULL) {
141 printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
142 goto err_code;
143 }
144 return 0;
145
146 err_code:
147 iounmap(bios_code_map_base);
148 err:
149 return -ENOMEM;
150 }
151
152 static inline void unmap_bios(void)
153 {
154 iounmap(bios_code_map_base);
155 iounmap(bios_data_map_base);
156 }
157
158 /* BIOS calls */
159
160 static u16 bios_pop_queue(void)
161 {
162 struct regs regs;
163
164 memset(&regs, 0, sizeof (regs));
165 regs.eax = 0x9610;
166 regs.ebx = 0x061C;
167 regs.ecx = 0x0000;
168 call_bios(&regs);
169
170 return regs.eax;
171 }
172
173 static void __devinit bios_attach(void)
174 {
175 struct regs regs;
176
177 memset(&regs, 0, sizeof (regs));
178 regs.eax = 0x9610;
179 regs.ebx = 0x012E;
180 call_bios(&regs);
181 }
182
183 static void bios_detach(void)
184 {
185 struct regs regs;
186
187 memset(&regs, 0, sizeof (regs));
188 regs.eax = 0x9610;
189 regs.ebx = 0x002E;
190 call_bios(&regs);
191 }
192
193 static u8 __devinit bios_get_cmos_address(void)
194 {
195 struct regs regs;
196
197 memset(&regs, 0, sizeof (regs));
198 regs.eax = 0x9610;
199 regs.ebx = 0x051C;
200 call_bios(&regs);
201
202 return regs.ecx;
203 }
204
205 static u16 __devinit bios_get_default_setting(u8 subsys)
206 {
207 struct regs regs;
208
209 memset(&regs, 0, sizeof (regs));
210 regs.eax = 0x9610;
211 regs.ebx = 0x0200 | subsys;
212 call_bios(&regs);
213
214 return regs.eax;
215 }
216
217 static void bios_set_state(u8 subsys, int enable)
218 {
219 struct regs regs;
220
221 memset(&regs, 0, sizeof (regs));
222 regs.eax = 0x9610;
223 regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
224 call_bios(&regs);
225 }
226
227 /* Hardware database */
228
229 #define KE_WIFI (KE_LAST + 1)
230 #define KE_BLUETOOTH (KE_LAST + 2)
231
232 #define FE_MAIL_LED 0x01
233 #define FE_WIFI_LED 0x02
234 #define FE_UNTESTED 0x80
235
236 static struct key_entry *keymap; /* = NULL; Current key map */
237 static bool have_wifi;
238 static bool have_bluetooth;
239 static int leds_present; /* bitmask of leds present */
240
241 static int __init dmi_matched(const struct dmi_system_id *dmi)
242 {
243 const struct key_entry *key;
244
245 keymap = dmi->driver_data;
246 for (key = keymap; key->type != KE_END; key++) {
247 if (key->type == KE_WIFI)
248 have_wifi = true;
249 else if (key->type == KE_BLUETOOTH)
250 have_bluetooth = true;
251 }
252 leds_present = key->code & (FE_MAIL_LED | FE_WIFI_LED);
253
254 return 1;
255 }
256
257 static struct key_entry keymap_empty[] __initdata = {
258 { KE_END, 0 }
259 };
260
261 static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
262 { KE_KEY, 0x01, {KEY_HELP} },
263 { KE_KEY, 0x11, {KEY_PROG1} },
264 { KE_KEY, 0x12, {KEY_PROG2} },
265 { KE_WIFI, 0x30 },
266 { KE_KEY, 0x31, {KEY_MAIL} },
267 { KE_KEY, 0x36, {KEY_WWW} },
268 { KE_END, 0 }
269 };
270
271 static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = {
272 { KE_KEY, 0x01, {KEY_HELP} }, /* Fn+F1 */
273 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
274 { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */
275 { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */
276 { KE_KEY, 0x36, {KEY_WWW} }, /* www button */
277 { KE_WIFI, 0x78 }, /* satelite dish button */
278 { KE_END, 0 }
279 };
280
281 static struct key_entry keymap_fujitsu_n3510[] __initdata = {
282 { KE_KEY, 0x11, {KEY_PROG1} },
283 { KE_KEY, 0x12, {KEY_PROG2} },
284 { KE_KEY, 0x36, {KEY_WWW} },
285 { KE_KEY, 0x31, {KEY_MAIL} },
286 { KE_KEY, 0x71, {KEY_STOPCD} },
287 { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
288 { KE_KEY, 0x74, {KEY_REWIND} },
289 { KE_KEY, 0x78, {KEY_FORWARD} },
290 { KE_END, 0 }
291 };
292
293 static struct key_entry keymap_wistron_ms2111[] __initdata = {
294 { KE_KEY, 0x11, {KEY_PROG1} },
295 { KE_KEY, 0x12, {KEY_PROG2} },
296 { KE_KEY, 0x13, {KEY_PROG3} },
297 { KE_KEY, 0x31, {KEY_MAIL} },
298 { KE_KEY, 0x36, {KEY_WWW} },
299 { KE_END, FE_MAIL_LED }
300 };
301
302 static struct key_entry keymap_wistron_md40100[] __initdata = {
303 { KE_KEY, 0x01, {KEY_HELP} },
304 { KE_KEY, 0x02, {KEY_CONFIG} },
305 { KE_KEY, 0x31, {KEY_MAIL} },
306 { KE_KEY, 0x36, {KEY_WWW} },
307 { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
308 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
309 };
310
311 static struct key_entry keymap_wistron_ms2141[] __initdata = {
312 { KE_KEY, 0x11, {KEY_PROG1} },
313 { KE_KEY, 0x12, {KEY_PROG2} },
314 { KE_WIFI, 0x30 },
315 { KE_KEY, 0x22, {KEY_REWIND} },
316 { KE_KEY, 0x23, {KEY_FORWARD} },
317 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
318 { KE_KEY, 0x25, {KEY_STOPCD} },
319 { KE_KEY, 0x31, {KEY_MAIL} },
320 { KE_KEY, 0x36, {KEY_WWW} },
321 { KE_END, 0 }
322 };
323
324 static struct key_entry keymap_acer_aspire_1500[] __initdata = {
325 { KE_KEY, 0x01, {KEY_HELP} },
326 { KE_KEY, 0x03, {KEY_POWER} },
327 { KE_KEY, 0x11, {KEY_PROG1} },
328 { KE_KEY, 0x12, {KEY_PROG2} },
329 { KE_WIFI, 0x30 },
330 { KE_KEY, 0x31, {KEY_MAIL} },
331 { KE_KEY, 0x36, {KEY_WWW} },
332 { KE_KEY, 0x49, {KEY_CONFIG} },
333 { KE_BLUETOOTH, 0x44 },
334 { KE_END, FE_UNTESTED }
335 };
336
337 static struct key_entry keymap_acer_aspire_1600[] __initdata = {
338 { KE_KEY, 0x01, {KEY_HELP} },
339 { KE_KEY, 0x03, {KEY_POWER} },
340 { KE_KEY, 0x08, {KEY_MUTE} },
341 { KE_KEY, 0x11, {KEY_PROG1} },
342 { KE_KEY, 0x12, {KEY_PROG2} },
343 { KE_KEY, 0x13, {KEY_PROG3} },
344 { KE_KEY, 0x31, {KEY_MAIL} },
345 { KE_KEY, 0x36, {KEY_WWW} },
346 { KE_KEY, 0x49, {KEY_CONFIG} },
347 { KE_WIFI, 0x30 },
348 { KE_BLUETOOTH, 0x44 },
349 { KE_END, FE_MAIL_LED | FE_UNTESTED }
350 };
351
352 /* 3020 has been tested */
353 static struct key_entry keymap_acer_aspire_5020[] __initdata = {
354 { KE_KEY, 0x01, {KEY_HELP} },
355 { KE_KEY, 0x03, {KEY_POWER} },
356 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
357 { KE_KEY, 0x11, {KEY_PROG1} },
358 { KE_KEY, 0x12, {KEY_PROG2} },
359 { KE_KEY, 0x31, {KEY_MAIL} },
360 { KE_KEY, 0x36, {KEY_WWW} },
361 { KE_KEY, 0x6a, {KEY_CONFIG} },
362 { KE_WIFI, 0x30 },
363 { KE_BLUETOOTH, 0x44 },
364 { KE_END, FE_MAIL_LED | FE_UNTESTED }
365 };
366
367 static struct key_entry keymap_acer_travelmate_2410[] __initdata = {
368 { KE_KEY, 0x01, {KEY_HELP} },
369 { KE_KEY, 0x6d, {KEY_POWER} },
370 { KE_KEY, 0x11, {KEY_PROG1} },
371 { KE_KEY, 0x12, {KEY_PROG2} },
372 { KE_KEY, 0x31, {KEY_MAIL} },
373 { KE_KEY, 0x36, {KEY_WWW} },
374 { KE_KEY, 0x6a, {KEY_CONFIG} },
375 { KE_WIFI, 0x30 },
376 { KE_BLUETOOTH, 0x44 },
377 { KE_END, FE_MAIL_LED | FE_UNTESTED }
378 };
379
380 static struct key_entry keymap_acer_travelmate_110[] __initdata = {
381 { KE_KEY, 0x01, {KEY_HELP} },
382 { KE_KEY, 0x02, {KEY_CONFIG} },
383 { KE_KEY, 0x03, {KEY_POWER} },
384 { KE_KEY, 0x08, {KEY_MUTE} },
385 { KE_KEY, 0x11, {KEY_PROG1} },
386 { KE_KEY, 0x12, {KEY_PROG2} },
387 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
388 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
389 { KE_KEY, 0x31, {KEY_MAIL} },
390 { KE_KEY, 0x36, {KEY_WWW} },
391 { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
392 { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
393 { KE_WIFI, 0x30 },
394 { KE_END, FE_MAIL_LED | FE_UNTESTED }
395 };
396
397 static struct key_entry keymap_acer_travelmate_300[] __initdata = {
398 { KE_KEY, 0x01, {KEY_HELP} },
399 { KE_KEY, 0x02, {KEY_CONFIG} },
400 { KE_KEY, 0x03, {KEY_POWER} },
401 { KE_KEY, 0x08, {KEY_MUTE} },
402 { KE_KEY, 0x11, {KEY_PROG1} },
403 { KE_KEY, 0x12, {KEY_PROG2} },
404 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
405 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
406 { KE_KEY, 0x31, {KEY_MAIL} },
407 { KE_KEY, 0x36, {KEY_WWW} },
408 { KE_WIFI, 0x30 },
409 { KE_BLUETOOTH, 0x44 },
410 { KE_END, FE_MAIL_LED | FE_UNTESTED }
411 };
412
413 static struct key_entry keymap_acer_travelmate_380[] __initdata = {
414 { KE_KEY, 0x01, {KEY_HELP} },
415 { KE_KEY, 0x02, {KEY_CONFIG} },
416 { KE_KEY, 0x03, {KEY_POWER} }, /* not 370 */
417 { KE_KEY, 0x11, {KEY_PROG1} },
418 { KE_KEY, 0x12, {KEY_PROG2} },
419 { KE_KEY, 0x13, {KEY_PROG3} },
420 { KE_KEY, 0x31, {KEY_MAIL} },
421 { KE_KEY, 0x36, {KEY_WWW} },
422 { KE_WIFI, 0x30 },
423 { KE_END, FE_MAIL_LED | FE_UNTESTED }
424 };
425
426 /* unusual map */
427 static struct key_entry keymap_acer_travelmate_220[] __initdata = {
428 { KE_KEY, 0x01, {KEY_HELP} },
429 { KE_KEY, 0x02, {KEY_CONFIG} },
430 { KE_KEY, 0x11, {KEY_MAIL} },
431 { KE_KEY, 0x12, {KEY_WWW} },
432 { KE_KEY, 0x13, {KEY_PROG2} },
433 { KE_KEY, 0x31, {KEY_PROG1} },
434 { KE_END, FE_WIFI_LED | FE_UNTESTED }
435 };
436
437 static struct key_entry keymap_acer_travelmate_230[] __initdata = {
438 { KE_KEY, 0x01, {KEY_HELP} },
439 { KE_KEY, 0x02, {KEY_CONFIG} },
440 { KE_KEY, 0x11, {KEY_PROG1} },
441 { KE_KEY, 0x12, {KEY_PROG2} },
442 { KE_KEY, 0x31, {KEY_MAIL} },
443 { KE_KEY, 0x36, {KEY_WWW} },
444 { KE_END, FE_WIFI_LED | FE_UNTESTED }
445 };
446
447 static struct key_entry keymap_acer_travelmate_240[] __initdata = {
448 { KE_KEY, 0x01, {KEY_HELP} },
449 { KE_KEY, 0x02, {KEY_CONFIG} },
450 { KE_KEY, 0x03, {KEY_POWER} },
451 { KE_KEY, 0x08, {KEY_MUTE} },
452 { KE_KEY, 0x31, {KEY_MAIL} },
453 { KE_KEY, 0x36, {KEY_WWW} },
454 { KE_KEY, 0x11, {KEY_PROG1} },
455 { KE_KEY, 0x12, {KEY_PROG2} },
456 { KE_BLUETOOTH, 0x44 },
457 { KE_WIFI, 0x30 },
458 { KE_END, FE_UNTESTED }
459 };
460
461 static struct key_entry keymap_acer_travelmate_350[] __initdata = {
462 { KE_KEY, 0x01, {KEY_HELP} },
463 { KE_KEY, 0x02, {KEY_CONFIG} },
464 { KE_KEY, 0x11, {KEY_PROG1} },
465 { KE_KEY, 0x12, {KEY_PROG2} },
466 { KE_KEY, 0x13, {KEY_MAIL} },
467 { KE_KEY, 0x14, {KEY_PROG3} },
468 { KE_KEY, 0x15, {KEY_WWW} },
469 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
470 };
471
472 static struct key_entry keymap_acer_travelmate_360[] __initdata = {
473 { KE_KEY, 0x01, {KEY_HELP} },
474 { KE_KEY, 0x02, {KEY_CONFIG} },
475 { KE_KEY, 0x11, {KEY_PROG1} },
476 { KE_KEY, 0x12, {KEY_PROG2} },
477 { KE_KEY, 0x13, {KEY_MAIL} },
478 { KE_KEY, 0x14, {KEY_PROG3} },
479 { KE_KEY, 0x15, {KEY_WWW} },
480 { KE_KEY, 0x40, {KEY_WLAN} },
481 { KE_END, FE_WIFI_LED | FE_UNTESTED } /* no mail led */
482 };
483
484 /* Wifi subsystem only activates the led. Therefore we need to pass
485 * wifi event as a normal key, then userspace can really change the wifi state.
486 * TODO we need to export led state to userspace (wifi and mail) */
487 static struct key_entry keymap_acer_travelmate_610[] __initdata = {
488 { KE_KEY, 0x01, {KEY_HELP} },
489 { KE_KEY, 0x02, {KEY_CONFIG} },
490 { KE_KEY, 0x11, {KEY_PROG1} },
491 { KE_KEY, 0x12, {KEY_PROG2} },
492 { KE_KEY, 0x13, {KEY_PROG3} },
493 { KE_KEY, 0x14, {KEY_MAIL} },
494 { KE_KEY, 0x15, {KEY_WWW} },
495 { KE_KEY, 0x40, {KEY_WLAN} },
496 { KE_END, FE_MAIL_LED | FE_WIFI_LED }
497 };
498
499 static struct key_entry keymap_acer_travelmate_630[] __initdata = {
500 { KE_KEY, 0x01, {KEY_HELP} },
501 { KE_KEY, 0x02, {KEY_CONFIG} },
502 { KE_KEY, 0x03, {KEY_POWER} },
503 { KE_KEY, 0x08, {KEY_MUTE} }, /* not 620 */
504 { KE_KEY, 0x11, {KEY_PROG1} },
505 { KE_KEY, 0x12, {KEY_PROG2} },
506 { KE_KEY, 0x13, {KEY_PROG3} },
507 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
508 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
509 { KE_KEY, 0x31, {KEY_MAIL} },
510 { KE_KEY, 0x36, {KEY_WWW} },
511 { KE_WIFI, 0x30 },
512 { KE_END, FE_MAIL_LED | FE_UNTESTED }
513 };
514
515 static struct key_entry keymap_aopen_1559as[] __initdata = {
516 { KE_KEY, 0x01, {KEY_HELP} },
517 { KE_KEY, 0x06, {KEY_PROG3} },
518 { KE_KEY, 0x11, {KEY_PROG1} },
519 { KE_KEY, 0x12, {KEY_PROG2} },
520 { KE_WIFI, 0x30 },
521 { KE_KEY, 0x31, {KEY_MAIL} },
522 { KE_KEY, 0x36, {KEY_WWW} },
523 { KE_END, 0 },
524 };
525
526 static struct key_entry keymap_fs_amilo_d88x0[] __initdata = {
527 { KE_KEY, 0x01, {KEY_HELP} },
528 { KE_KEY, 0x08, {KEY_MUTE} },
529 { KE_KEY, 0x31, {KEY_MAIL} },
530 { KE_KEY, 0x36, {KEY_WWW} },
531 { KE_KEY, 0x11, {KEY_PROG1} },
532 { KE_KEY, 0x12, {KEY_PROG2} },
533 { KE_KEY, 0x13, {KEY_PROG3} },
534 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
535 };
536
537 static struct key_entry keymap_wistron_md2900[] __initdata = {
538 { KE_KEY, 0x01, {KEY_HELP} },
539 { KE_KEY, 0x02, {KEY_CONFIG} },
540 { KE_KEY, 0x11, {KEY_PROG1} },
541 { KE_KEY, 0x12, {KEY_PROG2} },
542 { KE_KEY, 0x31, {KEY_MAIL} },
543 { KE_KEY, 0x36, {KEY_WWW} },
544 { KE_WIFI, 0x30 },
545 { KE_END, FE_MAIL_LED | FE_UNTESTED }
546 };
547
548 static struct key_entry keymap_wistron_md96500[] __initdata = {
549 { KE_KEY, 0x01, {KEY_HELP} },
550 { KE_KEY, 0x02, {KEY_CONFIG} },
551 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
552 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
553 { KE_KEY, 0x08, {KEY_MUTE} },
554 { KE_KEY, 0x11, {KEY_PROG1} },
555 { KE_KEY, 0x12, {KEY_PROG2} },
556 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
557 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
558 { KE_KEY, 0x22, {KEY_REWIND} },
559 { KE_KEY, 0x23, {KEY_FORWARD} },
560 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
561 { KE_KEY, 0x25, {KEY_STOPCD} },
562 { KE_KEY, 0x31, {KEY_MAIL} },
563 { KE_KEY, 0x36, {KEY_WWW} },
564 { KE_WIFI, 0x30 },
565 { KE_BLUETOOTH, 0x44 },
566 { KE_END, FE_UNTESTED }
567 };
568
569 static struct key_entry keymap_wistron_generic[] __initdata = {
570 { KE_KEY, 0x01, {KEY_HELP} },
571 { KE_KEY, 0x02, {KEY_CONFIG} },
572 { KE_KEY, 0x03, {KEY_POWER} },
573 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
574 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
575 { KE_KEY, 0x08, {KEY_MUTE} },
576 { KE_KEY, 0x11, {KEY_PROG1} },
577 { KE_KEY, 0x12, {KEY_PROG2} },
578 { KE_KEY, 0x13, {KEY_PROG3} },
579 { KE_KEY, 0x14, {KEY_MAIL} },
580 { KE_KEY, 0x15, {KEY_WWW} },
581 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
582 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
583 { KE_KEY, 0x22, {KEY_REWIND} },
584 { KE_KEY, 0x23, {KEY_FORWARD} },
585 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
586 { KE_KEY, 0x25, {KEY_STOPCD} },
587 { KE_KEY, 0x31, {KEY_MAIL} },
588 { KE_KEY, 0x36, {KEY_WWW} },
589 { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
590 { KE_KEY, 0x40, {KEY_WLAN} },
591 { KE_KEY, 0x49, {KEY_CONFIG} },
592 { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
593 { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
594 { KE_KEY, 0x6a, {KEY_CONFIG} },
595 { KE_KEY, 0x6d, {KEY_POWER} },
596 { KE_KEY, 0x71, {KEY_STOPCD} },
597 { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
598 { KE_KEY, 0x74, {KEY_REWIND} },
599 { KE_KEY, 0x78, {KEY_FORWARD} },
600 { KE_WIFI, 0x30 },
601 { KE_BLUETOOTH, 0x44 },
602 { KE_END, 0 }
603 };
604
605 static struct key_entry keymap_aopen_1557[] __initdata = {
606 { KE_KEY, 0x01, {KEY_HELP} },
607 { KE_KEY, 0x11, {KEY_PROG1} },
608 { KE_KEY, 0x12, {KEY_PROG2} },
609 { KE_WIFI, 0x30 },
610 { KE_KEY, 0x22, {KEY_REWIND} },
611 { KE_KEY, 0x23, {KEY_FORWARD} },
612 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
613 { KE_KEY, 0x25, {KEY_STOPCD} },
614 { KE_KEY, 0x31, {KEY_MAIL} },
615 { KE_KEY, 0x36, {KEY_WWW} },
616 { KE_END, 0 }
617 };
618
619 static struct key_entry keymap_prestigio[] __initdata = {
620 { KE_KEY, 0x11, {KEY_PROG1} },
621 { KE_KEY, 0x12, {KEY_PROG2} },
622 { KE_WIFI, 0x30 },
623 { KE_KEY, 0x22, {KEY_REWIND} },
624 { KE_KEY, 0x23, {KEY_FORWARD} },
625 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
626 { KE_KEY, 0x25, {KEY_STOPCD} },
627 { KE_KEY, 0x31, {KEY_MAIL} },
628 { KE_KEY, 0x36, {KEY_WWW} },
629 { KE_END, 0 }
630 };
631
632
633 /*
634 * If your machine is not here (which is currently rather likely), please send
635 * a list of buttons and their key codes (reported when loading this module
636 * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
637 */
638 static const struct dmi_system_id __initconst dmi_ids[] = {
639 {
640 /* Fujitsu-Siemens Amilo Pro V2000 */
641 .callback = dmi_matched,
642 .matches = {
643 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
644 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
645 },
646 .driver_data = keymap_fs_amilo_pro_v2000
647 },
648 {
649 /* Fujitsu-Siemens Amilo Pro Edition V3505 */
650 .callback = dmi_matched,
651 .matches = {
652 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
653 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
654 },
655 .driver_data = keymap_fs_amilo_pro_v3505
656 },
657 {
658 /* Fujitsu-Siemens Amilo M7400 */
659 .callback = dmi_matched,
660 .matches = {
661 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
662 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
663 },
664 .driver_data = keymap_fs_amilo_pro_v2000
665 },
666 {
667 /* Maxdata Pro 7000 DX */
668 .callback = dmi_matched,
669 .matches = {
670 DMI_MATCH(DMI_SYS_VENDOR, "MAXDATA"),
671 DMI_MATCH(DMI_PRODUCT_NAME, "Pro 7000"),
672 },
673 .driver_data = keymap_fs_amilo_pro_v2000
674 },
675 {
676 /* Fujitsu N3510 */
677 .callback = dmi_matched,
678 .matches = {
679 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
680 DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
681 },
682 .driver_data = keymap_fujitsu_n3510
683 },
684 {
685 /* Acer Aspire 1500 */
686 .callback = dmi_matched,
687 .matches = {
688 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
689 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
690 },
691 .driver_data = keymap_acer_aspire_1500
692 },
693 {
694 /* Acer Aspire 1600 */
695 .callback = dmi_matched,
696 .matches = {
697 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
698 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
699 },
700 .driver_data = keymap_acer_aspire_1600
701 },
702 {
703 /* Acer Aspire 3020 */
704 .callback = dmi_matched,
705 .matches = {
706 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
707 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
708 },
709 .driver_data = keymap_acer_aspire_5020
710 },
711 {
712 /* Acer Aspire 5020 */
713 .callback = dmi_matched,
714 .matches = {
715 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
716 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
717 },
718 .driver_data = keymap_acer_aspire_5020
719 },
720 {
721 /* Acer TravelMate 2100 */
722 .callback = dmi_matched,
723 .matches = {
724 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
725 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
726 },
727 .driver_data = keymap_acer_aspire_5020
728 },
729 {
730 /* Acer TravelMate 2410 */
731 .callback = dmi_matched,
732 .matches = {
733 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
734 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
735 },
736 .driver_data = keymap_acer_travelmate_2410
737 },
738 {
739 /* Acer TravelMate C300 */
740 .callback = dmi_matched,
741 .matches = {
742 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
743 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
744 },
745 .driver_data = keymap_acer_travelmate_300
746 },
747 {
748 /* Acer TravelMate C100 */
749 .callback = dmi_matched,
750 .matches = {
751 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
752 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
753 },
754 .driver_data = keymap_acer_travelmate_300
755 },
756 {
757 /* Acer TravelMate C110 */
758 .callback = dmi_matched,
759 .matches = {
760 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
761 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
762 },
763 .driver_data = keymap_acer_travelmate_110
764 },
765 {
766 /* Acer TravelMate 380 */
767 .callback = dmi_matched,
768 .matches = {
769 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
770 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
771 },
772 .driver_data = keymap_acer_travelmate_380
773 },
774 {
775 /* Acer TravelMate 370 */
776 .callback = dmi_matched,
777 .matches = {
778 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
779 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
780 },
781 .driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
782 },
783 {
784 /* Acer TravelMate 220 */
785 .callback = dmi_matched,
786 .matches = {
787 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
788 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
789 },
790 .driver_data = keymap_acer_travelmate_220
791 },
792 {
793 /* Acer TravelMate 260 */
794 .callback = dmi_matched,
795 .matches = {
796 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
797 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
798 },
799 .driver_data = keymap_acer_travelmate_220
800 },
801 {
802 /* Acer TravelMate 230 */
803 .callback = dmi_matched,
804 .matches = {
805 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
806 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
807 /* acerhk looks for "TravelMate F4..." ?! */
808 },
809 .driver_data = keymap_acer_travelmate_230
810 },
811 {
812 /* Acer TravelMate 280 */
813 .callback = dmi_matched,
814 .matches = {
815 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
816 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
817 },
818 .driver_data = keymap_acer_travelmate_230
819 },
820 {
821 /* Acer TravelMate 240 */
822 .callback = dmi_matched,
823 .matches = {
824 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
825 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
826 },
827 .driver_data = keymap_acer_travelmate_240
828 },
829 {
830 /* Acer TravelMate 250 */
831 .callback = dmi_matched,
832 .matches = {
833 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
834 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
835 },
836 .driver_data = keymap_acer_travelmate_240
837 },
838 {
839 /* Acer TravelMate 2424NWXCi */
840 .callback = dmi_matched,
841 .matches = {
842 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
843 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
844 },
845 .driver_data = keymap_acer_travelmate_240
846 },
847 {
848 /* Acer TravelMate 350 */
849 .callback = dmi_matched,
850 .matches = {
851 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
852 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
853 },
854 .driver_data = keymap_acer_travelmate_350
855 },
856 {
857 /* Acer TravelMate 360 */
858 .callback = dmi_matched,
859 .matches = {
860 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
861 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
862 },
863 .driver_data = keymap_acer_travelmate_360
864 },
865 {
866 /* Acer TravelMate 610 */
867 .callback = dmi_matched,
868 .matches = {
869 DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
870 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
871 },
872 .driver_data = keymap_acer_travelmate_610
873 },
874 {
875 /* Acer TravelMate 620 */
876 .callback = dmi_matched,
877 .matches = {
878 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
879 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
880 },
881 .driver_data = keymap_acer_travelmate_630
882 },
883 {
884 /* Acer TravelMate 630 */
885 .callback = dmi_matched,
886 .matches = {
887 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
888 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
889 },
890 .driver_data = keymap_acer_travelmate_630
891 },
892 {
893 /* AOpen 1559AS */
894 .callback = dmi_matched,
895 .matches = {
896 DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
897 DMI_MATCH(DMI_BOARD_NAME, "E2U"),
898 },
899 .driver_data = keymap_aopen_1559as
900 },
901 {
902 /* Medion MD 9783 */
903 .callback = dmi_matched,
904 .matches = {
905 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
906 DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
907 },
908 .driver_data = keymap_wistron_ms2111
909 },
910 {
911 /* Medion MD 40100 */
912 .callback = dmi_matched,
913 .matches = {
914 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
915 DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
916 },
917 .driver_data = keymap_wistron_md40100
918 },
919 {
920 /* Medion MD 2900 */
921 .callback = dmi_matched,
922 .matches = {
923 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
924 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
925 },
926 .driver_data = keymap_wistron_md2900
927 },
928 {
929 /* Medion MD 42200 */
930 .callback = dmi_matched,
931 .matches = {
932 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
933 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2030"),
934 },
935 .driver_data = keymap_fs_amilo_pro_v2000
936 },
937 {
938 /* Medion MD 96500 */
939 .callback = dmi_matched,
940 .matches = {
941 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
942 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
943 },
944 .driver_data = keymap_wistron_md96500
945 },
946 {
947 /* Medion MD 95400 */
948 .callback = dmi_matched,
949 .matches = {
950 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
951 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
952 },
953 .driver_data = keymap_wistron_md96500
954 },
955 {
956 /* Fujitsu Siemens Amilo D7820 */
957 .callback = dmi_matched,
958 .matches = {
959 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
960 DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
961 },
962 .driver_data = keymap_fs_amilo_d88x0
963 },
964 {
965 /* Fujitsu Siemens Amilo D88x0 */
966 .callback = dmi_matched,
967 .matches = {
968 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
969 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
970 },
971 .driver_data = keymap_fs_amilo_d88x0
972 },
973 { NULL, }
974 };
975
976 /* Copy the good keymap, as the original ones are free'd */
977 static int __init copy_keymap(void)
978 {
979 const struct key_entry *key;
980 struct key_entry *new_keymap;
981 unsigned int length = 1;
982
983 for (key = keymap; key->type != KE_END; key++)
984 length++;
985
986 new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
987 if (!new_keymap)
988 return -ENOMEM;
989
990 memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
991 keymap = new_keymap;
992
993 return 0;
994 }
995
996 static int __init select_keymap(void)
997 {
998 dmi_check_system(dmi_ids);
999 if (keymap_name != NULL) {
1000 if (strcmp (keymap_name, "1557/MS2141") == 0)
1001 keymap = keymap_wistron_ms2141;
1002 else if (strcmp (keymap_name, "aopen1557") == 0)
1003 keymap = keymap_aopen_1557;
1004 else if (strcmp (keymap_name, "prestigio") == 0)
1005 keymap = keymap_prestigio;
1006 else if (strcmp (keymap_name, "generic") == 0)
1007 keymap = keymap_wistron_generic;
1008 else {
1009 printk(KERN_ERR "wistron_btns: Keymap unknown\n");
1010 return -EINVAL;
1011 }
1012 }
1013 if (keymap == NULL) {
1014 if (!force) {
1015 printk(KERN_ERR "wistron_btns: System unknown\n");
1016 return -ENODEV;
1017 }
1018 keymap = keymap_empty;
1019 }
1020
1021 return copy_keymap();
1022 }
1023
1024 /* Input layer interface */
1025
1026 static struct input_polled_dev *wistron_idev;
1027 static unsigned long jiffies_last_press;
1028 static bool wifi_enabled;
1029 static bool bluetooth_enabled;
1030
1031 /* led management */
1032 static void wistron_mail_led_set(struct led_classdev *led_cdev,
1033 enum led_brightness value)
1034 {
1035 bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
1036 }
1037
1038 /* same as setting up wifi card, but for laptops on which the led is managed */
1039 static void wistron_wifi_led_set(struct led_classdev *led_cdev,
1040 enum led_brightness value)
1041 {
1042 bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
1043 }
1044
1045 static struct led_classdev wistron_mail_led = {
1046 .name = "wistron:green:mail",
1047 .brightness_set = wistron_mail_led_set,
1048 };
1049
1050 static struct led_classdev wistron_wifi_led = {
1051 .name = "wistron:red:wifi",
1052 .brightness_set = wistron_wifi_led_set,
1053 };
1054
1055 static void __devinit wistron_led_init(struct device *parent)
1056 {
1057 if (leds_present & FE_WIFI_LED) {
1058 u16 wifi = bios_get_default_setting(WIFI);
1059 if (wifi & 1) {
1060 wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1061 if (led_classdev_register(parent, &wistron_wifi_led))
1062 leds_present &= ~FE_WIFI_LED;
1063 else
1064 bios_set_state(WIFI, wistron_wifi_led.brightness);
1065
1066 } else
1067 leds_present &= ~FE_WIFI_LED;
1068 }
1069
1070 if (leds_present & FE_MAIL_LED) {
1071 /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1072 wistron_mail_led.brightness = LED_OFF;
1073 if (led_classdev_register(parent, &wistron_mail_led))
1074 leds_present &= ~FE_MAIL_LED;
1075 else
1076 bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1077 }
1078 }
1079
1080 static void __devexit wistron_led_remove(void)
1081 {
1082 if (leds_present & FE_MAIL_LED)
1083 led_classdev_unregister(&wistron_mail_led);
1084
1085 if (leds_present & FE_WIFI_LED)
1086 led_classdev_unregister(&wistron_wifi_led);
1087 }
1088
1089 static inline void wistron_led_suspend(void)
1090 {
1091 if (leds_present & FE_MAIL_LED)
1092 led_classdev_suspend(&wistron_mail_led);
1093
1094 if (leds_present & FE_WIFI_LED)
1095 led_classdev_suspend(&wistron_wifi_led);
1096 }
1097
1098 static inline void wistron_led_resume(void)
1099 {
1100 if (leds_present & FE_MAIL_LED)
1101 led_classdev_resume(&wistron_mail_led);
1102
1103 if (leds_present & FE_WIFI_LED)
1104 led_classdev_resume(&wistron_wifi_led);
1105 }
1106
1107 static void handle_key(u8 code)
1108 {
1109 const struct key_entry *key =
1110 sparse_keymap_entry_from_scancode(wistron_idev->input, code);
1111
1112 if (key) {
1113 switch (key->type) {
1114 case KE_WIFI:
1115 if (have_wifi) {
1116 wifi_enabled = !wifi_enabled;
1117 bios_set_state(WIFI, wifi_enabled);
1118 }
1119 break;
1120
1121 case KE_BLUETOOTH:
1122 if (have_bluetooth) {
1123 bluetooth_enabled = !bluetooth_enabled;
1124 bios_set_state(BLUETOOTH, bluetooth_enabled);
1125 }
1126 break;
1127
1128 default:
1129 sparse_keymap_report_entry(wistron_idev->input,
1130 key, 1, true);
1131 break;
1132 }
1133 jiffies_last_press = jiffies;
1134 } else
1135 printk(KERN_NOTICE
1136 "wistron_btns: Unknown key code %02X\n", code);
1137 }
1138
1139 static void poll_bios(bool discard)
1140 {
1141 u8 qlen;
1142 u16 val;
1143
1144 for (;;) {
1145 qlen = CMOS_READ(cmos_address);
1146 if (qlen == 0)
1147 break;
1148 val = bios_pop_queue();
1149 if (val != 0 && !discard)
1150 handle_key((u8)val);
1151 }
1152 }
1153
1154 static void wistron_flush(struct input_polled_dev *dev)
1155 {
1156 /* Flush stale event queue */
1157 poll_bios(true);
1158 }
1159
1160 static void wistron_poll(struct input_polled_dev *dev)
1161 {
1162 poll_bios(false);
1163
1164 /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1165 if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1166 dev->poll_interval = POLL_INTERVAL_BURST;
1167 else
1168 dev->poll_interval = POLL_INTERVAL_DEFAULT;
1169 }
1170
1171 static int __devinit wistron_setup_keymap(struct input_dev *dev,
1172 struct key_entry *entry)
1173 {
1174 switch (entry->type) {
1175
1176 /* if wifi or bluetooth are not available, create normal keys */
1177 case KE_WIFI:
1178 if (!have_wifi) {
1179 entry->type = KE_KEY;
1180 entry->keycode = KEY_WLAN;
1181 }
1182 break;
1183
1184 case KE_BLUETOOTH:
1185 if (!have_bluetooth) {
1186 entry->type = KE_KEY;
1187 entry->keycode = KEY_BLUETOOTH;
1188 }
1189 break;
1190
1191 case KE_END:
1192 if (entry->code & FE_UNTESTED)
1193 printk(KERN_WARNING "Untested laptop multimedia keys, "
1194 "please report success or failure to "
1195 "eric.piel@tremplin-utc.net\n");
1196 break;
1197 }
1198
1199 return 0;
1200 }
1201
1202 static int __devinit setup_input_dev(void)
1203 {
1204 struct input_dev *input_dev;
1205 int error;
1206
1207 wistron_idev = input_allocate_polled_device();
1208 if (!wistron_idev)
1209 return -ENOMEM;
1210
1211 wistron_idev->open = wistron_flush;
1212 wistron_idev->poll = wistron_poll;
1213 wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1214
1215 input_dev = wistron_idev->input;
1216 input_dev->name = "Wistron laptop buttons";
1217 input_dev->phys = "wistron/input0";
1218 input_dev->id.bustype = BUS_HOST;
1219 input_dev->dev.parent = &wistron_device->dev;
1220
1221 error = sparse_keymap_setup(input_dev, keymap, wistron_setup_keymap);
1222 if (error)
1223 goto err_free_dev;
1224
1225 error = input_register_polled_device(wistron_idev);
1226 if (error)
1227 goto err_free_keymap;
1228
1229 return 0;
1230
1231 err_free_keymap:
1232 sparse_keymap_free(input_dev);
1233 err_free_dev:
1234 input_free_polled_device(wistron_idev);
1235 return error;
1236 }
1237
1238 /* Driver core */
1239
1240 static int __devinit wistron_probe(struct platform_device *dev)
1241 {
1242 int err;
1243
1244 bios_attach();
1245 cmos_address = bios_get_cmos_address();
1246
1247 if (have_wifi) {
1248 u16 wifi = bios_get_default_setting(WIFI);
1249 if (wifi & 1)
1250 wifi_enabled = wifi & 2;
1251 else
1252 have_wifi = 0;
1253
1254 if (have_wifi)
1255 bios_set_state(WIFI, wifi_enabled);
1256 }
1257
1258 if (have_bluetooth) {
1259 u16 bt = bios_get_default_setting(BLUETOOTH);
1260 if (bt & 1)
1261 bluetooth_enabled = bt & 2;
1262 else
1263 have_bluetooth = false;
1264
1265 if (have_bluetooth)
1266 bios_set_state(BLUETOOTH, bluetooth_enabled);
1267 }
1268
1269 wistron_led_init(&dev->dev);
1270
1271 err = setup_input_dev();
1272 if (err) {
1273 bios_detach();
1274 return err;
1275 }
1276
1277 return 0;
1278 }
1279
1280 static int __devexit wistron_remove(struct platform_device *dev)
1281 {
1282 wistron_led_remove();
1283 input_unregister_polled_device(wistron_idev);
1284 sparse_keymap_free(wistron_idev->input);
1285 input_free_polled_device(wistron_idev);
1286 bios_detach();
1287
1288 return 0;
1289 }
1290
1291 #ifdef CONFIG_PM
1292 static int wistron_suspend(struct device *dev)
1293 {
1294 if (have_wifi)
1295 bios_set_state(WIFI, 0);
1296
1297 if (have_bluetooth)
1298 bios_set_state(BLUETOOTH, 0);
1299
1300 wistron_led_suspend();
1301
1302 return 0;
1303 }
1304
1305 static int wistron_resume(struct device *dev)
1306 {
1307 if (have_wifi)
1308 bios_set_state(WIFI, wifi_enabled);
1309
1310 if (have_bluetooth)
1311 bios_set_state(BLUETOOTH, bluetooth_enabled);
1312
1313 wistron_led_resume();
1314
1315 poll_bios(true);
1316
1317 return 0;
1318 }
1319
1320 static const struct dev_pm_ops wistron_pm_ops = {
1321 .suspend = wistron_suspend,
1322 .resume = wistron_resume,
1323 .poweroff = wistron_suspend,
1324 .restore = wistron_resume,
1325 };
1326 #endif
1327
1328 static struct platform_driver wistron_driver = {
1329 .driver = {
1330 .name = "wistron-bios",
1331 .owner = THIS_MODULE,
1332 #ifdef CONFIG_PM
1333 .pm = &wistron_pm_ops,
1334 #endif
1335 },
1336 .probe = wistron_probe,
1337 .remove = __devexit_p(wistron_remove),
1338 };
1339
1340 static int __init wb_module_init(void)
1341 {
1342 int err;
1343
1344 err = select_keymap();
1345 if (err)
1346 return err;
1347
1348 err = map_bios();
1349 if (err)
1350 return err;
1351
1352 err = platform_driver_register(&wistron_driver);
1353 if (err)
1354 goto err_unmap_bios;
1355
1356 wistron_device = platform_device_alloc("wistron-bios", -1);
1357 if (!wistron_device) {
1358 err = -ENOMEM;
1359 goto err_unregister_driver;
1360 }
1361
1362 err = platform_device_add(wistron_device);
1363 if (err)
1364 goto err_free_device;
1365
1366 return 0;
1367
1368 err_free_device:
1369 platform_device_put(wistron_device);
1370 err_unregister_driver:
1371 platform_driver_unregister(&wistron_driver);
1372 err_unmap_bios:
1373 unmap_bios();
1374
1375 return err;
1376 }
1377
1378 static void __exit wb_module_exit(void)
1379 {
1380 platform_device_unregister(wistron_device);
1381 platform_driver_unregister(&wistron_driver);
1382 unmap_bios();
1383 kfree(keymap);
1384 }
1385
1386 module_init(wb_module_init);
1387 module_exit(wb_module_exit);
kernel source for telekom puls (alcatel/mediatek)