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x86/amd-iommu: Add per IOMMU reference counting
[linux/fpc-iii.git] / drivers / input / misc / wistron_btns.c
bloba932179c4c9efa7fa589caf56b7d83dd111e0df1
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 bool have_wifi;
247 static bool have_bluetooth;
248 static int leds_present; /* bitmask of leds present */
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 = true;
258 else if (key->type == KE_BLUETOOTH)
259 have_bluetooth = true;
260 }
261 leds_present = 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 static struct key_entry keymap_aopen_1557[] __initdata = {
615 { KE_KEY, 0x01, {KEY_HELP} },
616 { KE_KEY, 0x11, {KEY_PROG1} },
617 { KE_KEY, 0x12, {KEY_PROG2} },
618 { KE_WIFI, 0x30 },
619 { KE_KEY, 0x22, {KEY_REWIND} },
620 { KE_KEY, 0x23, {KEY_FORWARD} },
621 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
622 { KE_KEY, 0x25, {KEY_STOPCD} },
623 { KE_KEY, 0x31, {KEY_MAIL} },
624 { KE_KEY, 0x36, {KEY_WWW} },
625 { KE_END, 0 }
626 };
627
628 static struct key_entry keymap_prestigio[] __initdata = {
629 { KE_KEY, 0x11, {KEY_PROG1} },
630 { KE_KEY, 0x12, {KEY_PROG2} },
631 { KE_WIFI, 0x30 },
632 { KE_KEY, 0x22, {KEY_REWIND} },
633 { KE_KEY, 0x23, {KEY_FORWARD} },
634 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
635 { KE_KEY, 0x25, {KEY_STOPCD} },
636 { KE_KEY, 0x31, {KEY_MAIL} },
637 { KE_KEY, 0x36, {KEY_WWW} },
638 { KE_END, 0 }
639 };
640
641
642 /*
643 * If your machine is not here (which is currently rather likely), please send
644 * a list of buttons and their key codes (reported when loading this module
645 * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
646 */
647 static struct dmi_system_id dmi_ids[] __initdata = {
648 {
649 .callback = dmi_matched,
650 .ident = "Fujitsu-Siemens Amilo Pro V2000",
651 .matches = {
652 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
653 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
654 },
655 .driver_data = keymap_fs_amilo_pro_v2000
656 },
657 {
658 .callback = dmi_matched,
659 .ident = "Fujitsu-Siemens Amilo Pro Edition V3505",
660 .matches = {
661 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
662 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"),
663 },
664 .driver_data = keymap_fs_amilo_pro_v3505
665 },
666 {
667 .callback = dmi_matched,
668 .ident = "Fujitsu-Siemens Amilo M7400",
669 .matches = {
670 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
671 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
672 },
673 .driver_data = keymap_fs_amilo_pro_v2000
674 },
675 {
676 .callback = dmi_matched,
677 .ident = "Maxdata Pro 7000 DX",
678 .matches = {
679 DMI_MATCH(DMI_SYS_VENDOR, "MAXDATA"),
680 DMI_MATCH(DMI_PRODUCT_NAME, "Pro 7000"),
681 },
682 .driver_data = keymap_fs_amilo_pro_v2000
683 },
684 {
685 .callback = dmi_matched,
686 .ident = "Fujitsu N3510",
687 .matches = {
688 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
689 DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
690 },
691 .driver_data = keymap_fujitsu_n3510
692 },
693 {
694 .callback = dmi_matched,
695 .ident = "Acer Aspire 1500",
696 .matches = {
697 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
698 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
699 },
700 .driver_data = keymap_acer_aspire_1500
701 },
702 {
703 .callback = dmi_matched,
704 .ident = "Acer Aspire 1600",
705 .matches = {
706 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
707 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
708 },
709 .driver_data = keymap_acer_aspire_1600
710 },
711 {
712 .callback = dmi_matched,
713 .ident = "Acer Aspire 3020",
714 .matches = {
715 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
716 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
717 },
718 .driver_data = keymap_acer_aspire_5020
719 },
720 {
721 .callback = dmi_matched,
722 .ident = "Acer Aspire 5020",
723 .matches = {
724 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
725 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
726 },
727 .driver_data = keymap_acer_aspire_5020
728 },
729 {
730 .callback = dmi_matched,
731 .ident = "Acer TravelMate 2100",
732 .matches = {
733 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
734 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
735 },
736 .driver_data = keymap_acer_aspire_5020
737 },
738 {
739 .callback = dmi_matched,
740 .ident = "Acer TravelMate 2410",
741 .matches = {
742 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
743 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
744 },
745 .driver_data = keymap_acer_travelmate_2410
746 },
747 {
748 .callback = dmi_matched,
749 .ident = "Acer TravelMate C300",
750 .matches = {
751 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
752 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
753 },
754 .driver_data = keymap_acer_travelmate_300
755 },
756 {
757 .callback = dmi_matched,
758 .ident = "Acer TravelMate C100",
759 .matches = {
760 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
761 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
762 },
763 .driver_data = keymap_acer_travelmate_300
764 },
765 {
766 .callback = dmi_matched,
767 .ident = "Acer TravelMate C110",
768 .matches = {
769 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
770 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
771 },
772 .driver_data = keymap_acer_travelmate_110
773 },
774 {
775 .callback = dmi_matched,
776 .ident = "Acer TravelMate 380",
777 .matches = {
778 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
779 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
780 },
781 .driver_data = keymap_acer_travelmate_380
782 },
783 {
784 .callback = dmi_matched,
785 .ident = "Acer TravelMate 370",
786 .matches = {
787 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
788 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
789 },
790 .driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
791 },
792 {
793 .callback = dmi_matched,
794 .ident = "Acer TravelMate 220",
795 .matches = {
796 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
797 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
798 },
799 .driver_data = keymap_acer_travelmate_220
800 },
801 {
802 .callback = dmi_matched,
803 .ident = "Acer TravelMate 260",
804 .matches = {
805 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
806 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
807 },
808 .driver_data = keymap_acer_travelmate_220
809 },
810 {
811 .callback = dmi_matched,
812 .ident = "Acer TravelMate 230",
813 .matches = {
814 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
815 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
816 /* acerhk looks for "TravelMate F4..." ?! */
817 },
818 .driver_data = keymap_acer_travelmate_230
819 },
820 {
821 .callback = dmi_matched,
822 .ident = "Acer TravelMate 280",
823 .matches = {
824 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
825 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
826 },
827 .driver_data = keymap_acer_travelmate_230
828 },
829 {
830 .callback = dmi_matched,
831 .ident = "Acer TravelMate 240",
832 .matches = {
833 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
834 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
835 },
836 .driver_data = keymap_acer_travelmate_240
837 },
838 {
839 .callback = dmi_matched,
840 .ident = "Acer TravelMate 250",
841 .matches = {
842 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
843 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
844 },
845 .driver_data = keymap_acer_travelmate_240
846 },
847 {
848 .callback = dmi_matched,
849 .ident = "Acer TravelMate 2424NWXCi",
850 .matches = {
851 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
852 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
853 },
854 .driver_data = keymap_acer_travelmate_240
855 },
856 {
857 .callback = dmi_matched,
858 .ident = "Acer TravelMate 350",
859 .matches = {
860 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
861 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
862 },
863 .driver_data = keymap_acer_travelmate_350
864 },
865 {
866 .callback = dmi_matched,
867 .ident = "Acer TravelMate 360",
868 .matches = {
869 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
870 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
871 },
872 .driver_data = keymap_acer_travelmate_360
873 },
874 {
875 .callback = dmi_matched,
876 .ident = "Acer TravelMate 610",
877 .matches = {
878 DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
879 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
880 },
881 .driver_data = keymap_acer_travelmate_610
882 },
883 {
884 .callback = dmi_matched,
885 .ident = "Acer TravelMate 620",
886 .matches = {
887 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
888 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
889 },
890 .driver_data = keymap_acer_travelmate_630
891 },
892 {
893 .callback = dmi_matched,
894 .ident = "Acer TravelMate 630",
895 .matches = {
896 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
897 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
898 },
899 .driver_data = keymap_acer_travelmate_630
900 },
901 {
902 .callback = dmi_matched,
903 .ident = "AOpen 1559AS",
904 .matches = {
905 DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
906 DMI_MATCH(DMI_BOARD_NAME, "E2U"),
907 },
908 .driver_data = keymap_aopen_1559as
909 },
910 {
911 .callback = dmi_matched,
912 .ident = "Medion MD 9783",
913 .matches = {
914 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
915 DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
916 },
917 .driver_data = keymap_wistron_ms2111
918 },
919 {
920 .callback = dmi_matched,
921 .ident = "Medion MD 40100",
922 .matches = {
923 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
924 DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
925 },
926 .driver_data = keymap_wistron_md40100
927 },
928 {
929 .callback = dmi_matched,
930 .ident = "Medion MD 2900",
931 .matches = {
932 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
933 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
934 },
935 .driver_data = keymap_wistron_md2900
936 },
937 {
938 .callback = dmi_matched,
939 .ident = "Medion MD 42200",
940 .matches = {
941 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
942 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2030"),
943 },
944 .driver_data = keymap_fs_amilo_pro_v2000
945 },
946 {
947 .callback = dmi_matched,
948 .ident = "Medion MD 96500",
949 .matches = {
950 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
951 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
952 },
953 .driver_data = keymap_wistron_md96500
954 },
955 {
956 .callback = dmi_matched,
957 .ident = "Medion MD 95400",
958 .matches = {
959 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
960 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
961 },
962 .driver_data = keymap_wistron_md96500
963 },
964 {
965 .callback = dmi_matched,
966 .ident = "Fujitsu Siemens Amilo D7820",
967 .matches = {
968 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
969 DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
970 },
971 .driver_data = keymap_fs_amilo_d88x0
972 },
973 {
974 .callback = dmi_matched,
975 .ident = "Fujitsu Siemens Amilo D88x0",
976 .matches = {
977 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
978 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
979 },
980 .driver_data = keymap_fs_amilo_d88x0
981 },
982 { NULL, }
983 };
984
985 /* Copy the good keymap, as the original ones are free'd */
986 static int __init copy_keymap(void)
987 {
988 const struct key_entry *key;
989 struct key_entry *new_keymap;
990 unsigned int length = 1;
991
992 for (key = keymap; key->type != KE_END; key++)
993 length++;
994
995 new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
996 if (!new_keymap)
997 return -ENOMEM;
998
999 memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
1000 keymap = new_keymap;
1001
1002 return 0;
1003 }
1004
1005 static int __init select_keymap(void)
1006 {
1007 dmi_check_system(dmi_ids);
1008 if (keymap_name != NULL) {
1009 if (strcmp (keymap_name, "1557/MS2141") == 0)
1010 keymap = keymap_wistron_ms2141;
1011 else if (strcmp (keymap_name, "aopen1557") == 0)
1012 keymap = keymap_aopen_1557;
1013 else if (strcmp (keymap_name, "prestigio") == 0)
1014 keymap = keymap_prestigio;
1015 else if (strcmp (keymap_name, "generic") == 0)
1016 keymap = keymap_wistron_generic;
1017 else {
1018 printk(KERN_ERR "wistron_btns: Keymap unknown\n");
1019 return -EINVAL;
1020 }
1021 }
1022 if (keymap == NULL) {
1023 if (!force) {
1024 printk(KERN_ERR "wistron_btns: System unknown\n");
1025 return -ENODEV;
1026 }
1027 keymap = keymap_empty;
1028 }
1029
1030 return copy_keymap();
1031 }
1032
1033 /* Input layer interface */
1034
1035 static struct input_polled_dev *wistron_idev;
1036 static unsigned long jiffies_last_press;
1037 static bool wifi_enabled;
1038 static bool bluetooth_enabled;
1039
1040 static void report_key(struct input_dev *dev, unsigned int keycode)
1041 {
1042 input_report_key(dev, keycode, 1);
1043 input_sync(dev);
1044 input_report_key(dev, keycode, 0);
1045 input_sync(dev);
1046 }
1047
1048 static void report_switch(struct input_dev *dev, unsigned int code, int value)
1049 {
1050 input_report_switch(dev, code, value);
1051 input_sync(dev);
1052 }
1053
1054
1055 /* led management */
1056 static void wistron_mail_led_set(struct led_classdev *led_cdev,
1057 enum led_brightness value)
1058 {
1059 bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
1060 }
1061
1062 /* same as setting up wifi card, but for laptops on which the led is managed */
1063 static void wistron_wifi_led_set(struct led_classdev *led_cdev,
1064 enum led_brightness value)
1065 {
1066 bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
1067 }
1068
1069 static struct led_classdev wistron_mail_led = {
1070 .name = "wistron:green:mail",
1071 .brightness_set = wistron_mail_led_set,
1072 };
1073
1074 static struct led_classdev wistron_wifi_led = {
1075 .name = "wistron:red:wifi",
1076 .brightness_set = wistron_wifi_led_set,
1077 };
1078
1079 static void __devinit wistron_led_init(struct device *parent)
1080 {
1081 if (leds_present & FE_WIFI_LED) {
1082 u16 wifi = bios_get_default_setting(WIFI);
1083 if (wifi & 1) {
1084 wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1085 if (led_classdev_register(parent, &wistron_wifi_led))
1086 leds_present &= ~FE_WIFI_LED;
1087 else
1088 bios_set_state(WIFI, wistron_wifi_led.brightness);
1089
1090 } else
1091 leds_present &= ~FE_WIFI_LED;
1092 }
1093
1094 if (leds_present & FE_MAIL_LED) {
1095 /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1096 wistron_mail_led.brightness = LED_OFF;
1097 if (led_classdev_register(parent, &wistron_mail_led))
1098 leds_present &= ~FE_MAIL_LED;
1099 else
1100 bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1101 }
1102 }
1103
1104 static void __devexit wistron_led_remove(void)
1105 {
1106 if (leds_present & FE_MAIL_LED)
1107 led_classdev_unregister(&wistron_mail_led);
1108
1109 if (leds_present & FE_WIFI_LED)
1110 led_classdev_unregister(&wistron_wifi_led);
1111 }
1112
1113 static inline void wistron_led_suspend(void)
1114 {
1115 if (leds_present & FE_MAIL_LED)
1116 led_classdev_suspend(&wistron_mail_led);
1117
1118 if (leds_present & FE_WIFI_LED)
1119 led_classdev_suspend(&wistron_wifi_led);
1120 }
1121
1122 static inline void wistron_led_resume(void)
1123 {
1124 if (leds_present & FE_MAIL_LED)
1125 led_classdev_resume(&wistron_mail_led);
1126
1127 if (leds_present & FE_WIFI_LED)
1128 led_classdev_resume(&wistron_wifi_led);
1129 }
1130
1131 static struct key_entry *wistron_get_entry_by_scancode(int code)
1132 {
1133 struct key_entry *key;
1134
1135 for (key = keymap; key->type != KE_END; key++)
1136 if (code == key->code)
1137 return key;
1138
1139 return NULL;
1140 }
1141
1142 static struct key_entry *wistron_get_entry_by_keycode(int keycode)
1143 {
1144 struct key_entry *key;
1145
1146 for (key = keymap; key->type != KE_END; key++)
1147 if (key->type == KE_KEY && keycode == key->keycode)
1148 return key;
1149
1150 return NULL;
1151 }
1152
1153 static void handle_key(u8 code)
1154 {
1155 const struct key_entry *key = wistron_get_entry_by_scancode(code);
1156
1157 if (key) {
1158 switch (key->type) {
1159 case KE_KEY:
1160 report_key(wistron_idev->input, key->keycode);
1161 break;
1162
1163 case KE_SW:
1164 report_switch(wistron_idev->input,
1165 key->sw.code, key->sw.value);
1166 break;
1167
1168 case KE_WIFI:
1169 if (have_wifi) {
1170 wifi_enabled = !wifi_enabled;
1171 bios_set_state(WIFI, wifi_enabled);
1172 }
1173 break;
1174
1175 case KE_BLUETOOTH:
1176 if (have_bluetooth) {
1177 bluetooth_enabled = !bluetooth_enabled;
1178 bios_set_state(BLUETOOTH, bluetooth_enabled);
1179 }
1180 break;
1181
1182 default:
1183 BUG();
1184 }
1185 jiffies_last_press = jiffies;
1186 } else
1187 printk(KERN_NOTICE
1188 "wistron_btns: Unknown key code %02X\n", code);
1189 }
1190
1191 static void poll_bios(bool discard)
1192 {
1193 u8 qlen;
1194 u16 val;
1195
1196 for (;;) {
1197 qlen = CMOS_READ(cmos_address);
1198 if (qlen == 0)
1199 break;
1200 val = bios_pop_queue();
1201 if (val != 0 && !discard)
1202 handle_key((u8)val);
1203 }
1204 }
1205
1206 static void wistron_flush(struct input_polled_dev *dev)
1207 {
1208 /* Flush stale event queue */
1209 poll_bios(true);
1210 }
1211
1212 static void wistron_poll(struct input_polled_dev *dev)
1213 {
1214 poll_bios(false);
1215
1216 /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1217 if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1218 dev->poll_interval = POLL_INTERVAL_BURST;
1219 else
1220 dev->poll_interval = POLL_INTERVAL_DEFAULT;
1221 }
1222
1223 static int wistron_getkeycode(struct input_dev *dev, int scancode, int *keycode)
1224 {
1225 const struct key_entry *key = wistron_get_entry_by_scancode(scancode);
1226
1227 if (key && key->type == KE_KEY) {
1228 *keycode = key->keycode;
1229 return 0;
1230 }
1231
1232 return -EINVAL;
1233 }
1234
1235 static int wistron_setkeycode(struct input_dev *dev, int scancode, int keycode)
1236 {
1237 struct key_entry *key;
1238 int old_keycode;
1239
1240 if (keycode < 0 || keycode > KEY_MAX)
1241 return -EINVAL;
1242
1243 key = wistron_get_entry_by_scancode(scancode);
1244 if (key && key->type == KE_KEY) {
1245 old_keycode = key->keycode;
1246 key->keycode = keycode;
1247 set_bit(keycode, dev->keybit);
1248 if (!wistron_get_entry_by_keycode(old_keycode))
1249 clear_bit(old_keycode, dev->keybit);
1250 return 0;
1251 }
1252
1253 return -EINVAL;
1254 }
1255
1256 static int __devinit setup_input_dev(void)
1257 {
1258 struct key_entry *key;
1259 struct input_dev *input_dev;
1260 int error;
1261
1262 wistron_idev = input_allocate_polled_device();
1263 if (!wistron_idev)
1264 return -ENOMEM;
1265
1266 wistron_idev->flush = wistron_flush;
1267 wistron_idev->poll = wistron_poll;
1268 wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1269
1270 input_dev = wistron_idev->input;
1271 input_dev->name = "Wistron laptop buttons";
1272 input_dev->phys = "wistron/input0";
1273 input_dev->id.bustype = BUS_HOST;
1274 input_dev->dev.parent = &wistron_device->dev;
1275
1276 input_dev->getkeycode = wistron_getkeycode;
1277 input_dev->setkeycode = wistron_setkeycode;
1278
1279 for (key = keymap; key->type != KE_END; key++) {
1280 switch (key->type) {
1281 case KE_KEY:
1282 set_bit(EV_KEY, input_dev->evbit);
1283 set_bit(key->keycode, input_dev->keybit);
1284 break;
1285
1286 case KE_SW:
1287 set_bit(EV_SW, input_dev->evbit);
1288 set_bit(key->sw.code, input_dev->swbit);
1289 break;
1290
1291 /* if wifi or bluetooth are not available, create normal keys */
1292 case KE_WIFI:
1293 if (!have_wifi) {
1294 key->type = KE_KEY;
1295 key->keycode = KEY_WLAN;
1296 key--;
1297 }
1298 break;
1299
1300 case KE_BLUETOOTH:
1301 if (!have_bluetooth) {
1302 key->type = KE_KEY;
1303 key->keycode = KEY_BLUETOOTH;
1304 key--;
1305 }
1306 break;
1307
1308 default:
1309 break;
1310 }
1311 }
1312
1313 /* reads information flags on KE_END */
1314 if (key->code & FE_UNTESTED)
1315 printk(KERN_WARNING "Untested laptop multimedia keys, "
1316 "please report success or failure to eric.piel"
1317 "@tremplin-utc.net\n");
1318
1319 error = input_register_polled_device(wistron_idev);
1320 if (error) {
1321 input_free_polled_device(wistron_idev);
1322 return error;
1323 }
1324
1325 return 0;
1326 }
1327
1328 /* Driver core */
1329
1330 static int __devinit wistron_probe(struct platform_device *dev)
1331 {
1332 int err;
1333
1334 bios_attach();
1335 cmos_address = bios_get_cmos_address();
1336
1337 if (have_wifi) {
1338 u16 wifi = bios_get_default_setting(WIFI);
1339 if (wifi & 1)
1340 wifi_enabled = wifi & 2;
1341 else
1342 have_wifi = 0;
1343
1344 if (have_wifi)
1345 bios_set_state(WIFI, wifi_enabled);
1346 }
1347
1348 if (have_bluetooth) {
1349 u16 bt = bios_get_default_setting(BLUETOOTH);
1350 if (bt & 1)
1351 bluetooth_enabled = bt & 2;
1352 else
1353 have_bluetooth = false;
1354
1355 if (have_bluetooth)
1356 bios_set_state(BLUETOOTH, bluetooth_enabled);
1357 }
1358
1359 wistron_led_init(&dev->dev);
1360
1361 err = setup_input_dev();
1362 if (err) {
1363 bios_detach();
1364 return err;
1365 }
1366
1367 return 0;
1368 }
1369
1370 static int __devexit wistron_remove(struct platform_device *dev)
1371 {
1372 wistron_led_remove();
1373 input_unregister_polled_device(wistron_idev);
1374 input_free_polled_device(wistron_idev);
1375 bios_detach();
1376
1377 return 0;
1378 }
1379
1380 #ifdef CONFIG_PM
1381 static int wistron_suspend(struct device *dev)
1382 {
1383 if (have_wifi)
1384 bios_set_state(WIFI, 0);
1385
1386 if (have_bluetooth)
1387 bios_set_state(BLUETOOTH, 0);
1388
1389 wistron_led_suspend();
1390
1391 return 0;
1392 }
1393
1394 static int wistron_resume(struct device *dev)
1395 {
1396 if (have_wifi)
1397 bios_set_state(WIFI, wifi_enabled);
1398
1399 if (have_bluetooth)
1400 bios_set_state(BLUETOOTH, bluetooth_enabled);
1401
1402 wistron_led_resume();
1403
1404 poll_bios(true);
1405
1406 return 0;
1407 }
1408
1409 static const struct dev_pm_ops wistron_pm_ops = {
1410 .suspend = wistron_suspend,
1411 .resume = wistron_resume,
1412 .poweroff = wistron_suspend,
1413 .restore = wistron_resume,
1414 };
1415 #endif
1416
1417 static struct platform_driver wistron_driver = {
1418 .driver = {
1419 .name = "wistron-bios",
1420 .owner = THIS_MODULE,
1421 #if CONFIG_PM
1422 .pm = &wistron_pm_ops,
1423 #endif
1424 },
1425 .probe = wistron_probe,
1426 .remove = __devexit_p(wistron_remove),
1427 };
1428
1429 static int __init wb_module_init(void)
1430 {
1431 int err;
1432
1433 err = select_keymap();
1434 if (err)
1435 return err;
1436
1437 err = map_bios();
1438 if (err)
1439 return err;
1440
1441 err = platform_driver_register(&wistron_driver);
1442 if (err)
1443 goto err_unmap_bios;
1444
1445 wistron_device = platform_device_alloc("wistron-bios", -1);
1446 if (!wistron_device) {
1447 err = -ENOMEM;
1448 goto err_unregister_driver;
1449 }
1450
1451 err = platform_device_add(wistron_device);
1452 if (err)
1453 goto err_free_device;
1454
1455 return 0;
1456
1457 err_free_device:
1458 platform_device_put(wistron_device);
1459 err_unregister_driver:
1460 platform_driver_unregister(&wistron_driver);
1461 err_unmap_bios:
1462 unmap_bios();
1463
1464 return err;
1465 }
1466
1467 static void __exit wb_module_exit(void)
1468 {
1469 platform_device_unregister(wistron_device);
1470 platform_driver_unregister(&wistron_driver);
1471 unmap_bios();
1472 kfree(keymap);
1473 }
1474
1475 module_init(wb_module_init);
1476 module_exit(wb_module_exit);
Linux with added FPC-III support