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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
46MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
47MODULE_DESCRIPTION("Wistron laptop button driver");
48MODULE_LICENSE("GPL v2");
49
50static bool force; /* = 0; */
51module_param(force, bool, 0);
52MODULE_PARM_DESC(force, "Load even if computer is not in database");
53
54static char *keymap_name; /* = NULL; */
55module_param_named(keymap, keymap_name, charp, 0);
56MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected [generic, 1557/MS2141]");
57
58static struct platform_device *wistron_device;
59
60 /* BIOS interface implementation */
61
62static void __iomem *bios_entry_point; /* BIOS routine entry point */
63static void __iomem *bios_code_map_base;
64static void __iomem *bios_data_map_base;
65
66static u8 cmos_address;
67
68struct regs {
69 u32 eax, ebx, ecx;
70};
71
72static void call_bios(struct regs *regs)
73{
74 unsigned long flags;
75
76 preempt_disable();
77 local_irq_save(flags);
78 asm volatile ("pushl %%ebp;"
79 "movl %7, %%ebp;"
80 "call *%6;"
81 "popl %%ebp"
82 : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
83 : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
84 "m" (bios_entry_point), "m" (bios_data_map_base)
85 : "edx", "edi", "esi", "memory");
86 local_irq_restore(flags);
87 preempt_enable();
88}
89
90static ssize_t __init locate_wistron_bios(void __iomem *base)
91{
92 static unsigned char __initdata signature[] =
93 { 0x42, 0x21, 0x55, 0x30 };
94 ssize_t offset;
95
96 for (offset = 0; offset < 0x10000; offset += 0x10) {
97 if (check_signature(base + offset, signature,
98 sizeof(signature)) != 0)
99 return offset;
100 }
101 return -1;
102}
103
104static int __init map_bios(void)
105{
106 void __iomem *base;
107 ssize_t offset;
108 u32 entry_point;
109
110 base = ioremap(0xF0000, 0x10000); /* Can't fail */
111 offset = locate_wistron_bios(base);
112 if (offset < 0) {
113 printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
114 iounmap(base);
115 return -ENODEV;
116 }
117
118 entry_point = readl(base + offset + 5);
119 printk(KERN_DEBUG
120 "wistron_btns: BIOS signature found at %p, entry point %08X\n",
121 base + offset, entry_point);
122
123 if (entry_point >= 0xF0000) {
124 bios_code_map_base = base;
125 bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
126 } else {
127 iounmap(base);
128 bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
129 if (bios_code_map_base == NULL) {
130 printk(KERN_ERR
131 "wistron_btns: Can't map BIOS code at %08X\n",
132 entry_point & ~0x3FFF);
133 goto err;
134 }
135 bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
136 }
137 /* The Windows driver maps 0x10000 bytes, we keep only one page... */
138 bios_data_map_base = ioremap(0x400, 0xc00);
139 if (bios_data_map_base == NULL) {
140 printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
141 goto err_code;
142 }
143 return 0;
144
145err_code:
146 iounmap(bios_code_map_base);
147err:
148 return -ENOMEM;
149}
150
151static inline void unmap_bios(void)
152{
153 iounmap(bios_code_map_base);
154 iounmap(bios_data_map_base);
155}
156
157 /* BIOS calls */
158
159static u16 bios_pop_queue(void)
160{
161 struct regs regs;
162
163 memset(&regs, 0, sizeof (regs));
164 regs.eax = 0x9610;
165 regs.ebx = 0x061C;
166 regs.ecx = 0x0000;
167 call_bios(&regs);
168
169 return regs.eax;
170}
171
172static void bios_attach(void)
173{
174 struct regs regs;
175
176 memset(&regs, 0, sizeof (regs));
177 regs.eax = 0x9610;
178 regs.ebx = 0x012E;
179 call_bios(&regs);
180}
181
182static void bios_detach(void)
183{
184 struct regs regs;
185
186 memset(&regs, 0, sizeof (regs));
187 regs.eax = 0x9610;
188 regs.ebx = 0x002E;
189 call_bios(&regs);
190}
191
192static u8 bios_get_cmos_address(void)
193{
194 struct regs regs;
195
196 memset(&regs, 0, sizeof (regs));
197 regs.eax = 0x9610;
198 regs.ebx = 0x051C;
199 call_bios(&regs);
200
201 return regs.ecx;
202}
203
204static u16 bios_get_default_setting(u8 subsys)
205{
206 struct regs regs;
207
208 memset(&regs, 0, sizeof (regs));
209 regs.eax = 0x9610;
210 regs.ebx = 0x0200 | subsys;
211 call_bios(&regs);
212
213 return regs.eax;
214}
215
216static void bios_set_state(u8 subsys, int enable)
217{
218 struct regs regs;
219
220 memset(&regs, 0, sizeof (regs));
221 regs.eax = 0x9610;
222 regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
223 call_bios(&regs);
224}
225
226/* Hardware database */
227
228#define KE_WIFI (KE_LAST + 1)
229#define KE_BLUETOOTH (KE_LAST + 2)
230
231#define FE_MAIL_LED 0x01
232#define FE_WIFI_LED 0x02
233#define FE_UNTESTED 0x80
234
235static struct key_entry *keymap; /* = NULL; Current key map */
236static bool have_wifi;
237static bool have_bluetooth;
238static int leds_present; /* bitmask of leds present */
239
240static int __init dmi_matched(const struct dmi_system_id *dmi)
241{
242 const struct key_entry *key;
243
244 keymap = dmi->driver_data;
245 for (key = keymap; key->type != KE_END; key++) {
246 if (key->type == KE_WIFI)
247 have_wifi = true;
248 else if (key->type == KE_BLUETOOTH)
249 have_bluetooth = true;
250 }
251 leds_present = key->code & (FE_MAIL_LED | FE_WIFI_LED);
252
253 return 1;
254}
255
256static struct key_entry keymap_empty[] __initdata = {
257 { KE_END, 0 }
258};
259
260static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
261 { KE_KEY, 0x01, {KEY_HELP} },
262 { KE_KEY, 0x11, {KEY_PROG1} },
263 { KE_KEY, 0x12, {KEY_PROG2} },
264 { KE_WIFI, 0x30 },
265 { KE_KEY, 0x31, {KEY_MAIL} },
266 { KE_KEY, 0x36, {KEY_WWW} },
267 { KE_END, 0 }
268};
269
270static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = {
271 { KE_KEY, 0x01, {KEY_HELP} }, /* Fn+F1 */
272 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */
273 { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */
274 { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */
275 { KE_KEY, 0x36, {KEY_WWW} }, /* www button */
276 { KE_WIFI, 0x78 }, /* satellite dish button */
277 { KE_END, 0 }
278};
279
280static struct key_entry keymap_fs_amilo_pro_v8210[] __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, FE_WIFI_LED }
288};
289
290static 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
302static 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
311static 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
320static 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
333static 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
346static 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 */
362static 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
376static 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
389static 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
406static 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
422static 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 */
436static 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
446static 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
456static 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
470static 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
481static 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) */
496static 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
508static 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
524static 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
535static 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
546static 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
557static 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, 0 }
576};
577
578static 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
614static 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
628static 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 */
647static const struct dmi_system_id dmi_ids[] __initconst = {
648 {
649 /* Fujitsu-Siemens Amilo Pro V2000 */
650 .callback = dmi_matched,
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 /* Fujitsu-Siemens Amilo Pro Edition V3505 */
659 .callback = dmi_matched,
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 /* Fujitsu-Siemens Amilo Pro Edition V8210 */
668 .callback = dmi_matched,
669 .matches = {
670 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
671 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Series V8210"),
672 },
673 .driver_data = keymap_fs_amilo_pro_v8210
674 },
675 {
676 /* Fujitsu-Siemens Amilo M7400 */
677 .callback = dmi_matched,
678 .matches = {
679 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
680 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
681 },
682 .driver_data = keymap_fs_amilo_pro_v2000
683 },
684 {
685 /* Maxdata Pro 7000 DX */
686 .callback = dmi_matched,
687 .matches = {
688 DMI_MATCH(DMI_SYS_VENDOR, "MAXDATA"),
689 DMI_MATCH(DMI_PRODUCT_NAME, "Pro 7000"),
690 },
691 .driver_data = keymap_fs_amilo_pro_v2000
692 },
693 {
694 /* Fujitsu N3510 */
695 .callback = dmi_matched,
696 .matches = {
697 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
698 DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
699 },
700 .driver_data = keymap_fujitsu_n3510
701 },
702 {
703 /* Acer Aspire 1500 */
704 .callback = dmi_matched,
705 .matches = {
706 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
707 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
708 },
709 .driver_data = keymap_acer_aspire_1500
710 },
711 {
712 /* Acer Aspire 1600 */
713 .callback = dmi_matched,
714 .matches = {
715 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
716 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
717 },
718 .driver_data = keymap_acer_aspire_1600
719 },
720 {
721 /* Acer Aspire 3020 */
722 .callback = dmi_matched,
723 .matches = {
724 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
725 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
726 },
727 .driver_data = keymap_acer_aspire_5020
728 },
729 {
730 /* Acer Aspire 5020 */
731 .callback = dmi_matched,
732 .matches = {
733 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
734 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
735 },
736 .driver_data = keymap_acer_aspire_5020
737 },
738 {
739 /* Acer TravelMate 2100 */
740 .callback = dmi_matched,
741 .matches = {
742 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
743 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
744 },
745 .driver_data = keymap_acer_aspire_5020
746 },
747 {
748 /* Acer TravelMate 2410 */
749 .callback = dmi_matched,
750 .matches = {
751 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
752 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
753 },
754 .driver_data = keymap_acer_travelmate_2410
755 },
756 {
757 /* Acer TravelMate C300 */
758 .callback = dmi_matched,
759 .matches = {
760 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
761 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
762 },
763 .driver_data = keymap_acer_travelmate_300
764 },
765 {
766 /* Acer TravelMate C100 */
767 .callback = dmi_matched,
768 .matches = {
769 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
770 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
771 },
772 .driver_data = keymap_acer_travelmate_300
773 },
774 {
775 /* Acer TravelMate C110 */
776 .callback = dmi_matched,
777 .matches = {
778 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
779 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
780 },
781 .driver_data = keymap_acer_travelmate_110
782 },
783 {
784 /* Acer TravelMate 380 */
785 .callback = dmi_matched,
786 .matches = {
787 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
788 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
789 },
790 .driver_data = keymap_acer_travelmate_380
791 },
792 {
793 /* Acer TravelMate 370 */
794 .callback = dmi_matched,
795 .matches = {
796 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
797 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
798 },
799 .driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
800 },
801 {
802 /* Acer TravelMate 220 */
803 .callback = dmi_matched,
804 .matches = {
805 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
806 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
807 },
808 .driver_data = keymap_acer_travelmate_220
809 },
810 {
811 /* Acer TravelMate 260 */
812 .callback = dmi_matched,
813 .matches = {
814 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
815 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
816 },
817 .driver_data = keymap_acer_travelmate_220
818 },
819 {
820 /* Acer TravelMate 230 */
821 .callback = dmi_matched,
822 .matches = {
823 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
824 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
825 /* acerhk looks for "TravelMate F4..." ?! */
826 },
827 .driver_data = keymap_acer_travelmate_230
828 },
829 {
830 /* Acer TravelMate 280 */
831 .callback = dmi_matched,
832 .matches = {
833 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
834 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
835 },
836 .driver_data = keymap_acer_travelmate_230
837 },
838 {
839 /* Acer TravelMate 240 */
840 .callback = dmi_matched,
841 .matches = {
842 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
843 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
844 },
845 .driver_data = keymap_acer_travelmate_240
846 },
847 {
848 /* Acer TravelMate 250 */
849 .callback = dmi_matched,
850 .matches = {
851 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
852 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
853 },
854 .driver_data = keymap_acer_travelmate_240
855 },
856 {
857 /* Acer TravelMate 2424NWXCi */
858 .callback = dmi_matched,
859 .matches = {
860 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
861 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
862 },
863 .driver_data = keymap_acer_travelmate_240
864 },
865 {
866 /* Acer TravelMate 350 */
867 .callback = dmi_matched,
868 .matches = {
869 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
870 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
871 },
872 .driver_data = keymap_acer_travelmate_350
873 },
874 {
875 /* Acer TravelMate 360 */
876 .callback = dmi_matched,
877 .matches = {
878 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
879 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
880 },
881 .driver_data = keymap_acer_travelmate_360
882 },
883 {
884 /* Acer TravelMate 610 */
885 .callback = dmi_matched,
886 .matches = {
887 DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
888 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
889 },
890 .driver_data = keymap_acer_travelmate_610
891 },
892 {
893 /* Acer TravelMate 620 */
894 .callback = dmi_matched,
895 .matches = {
896 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
897 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
898 },
899 .driver_data = keymap_acer_travelmate_630
900 },
901 {
902 /* Acer TravelMate 630 */
903 .callback = dmi_matched,
904 .matches = {
905 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
906 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
907 },
908 .driver_data = keymap_acer_travelmate_630
909 },
910 {
911 /* AOpen 1559AS */
912 .callback = dmi_matched,
913 .matches = {
914 DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
915 DMI_MATCH(DMI_BOARD_NAME, "E2U"),
916 },
917 .driver_data = keymap_aopen_1559as
918 },
919 {
920 /* Medion MD 9783 */
921 .callback = dmi_matched,
922 .matches = {
923 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
924 DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
925 },
926 .driver_data = keymap_wistron_ms2111
927 },
928 {
929 /* Medion MD 40100 */
930 .callback = dmi_matched,
931 .matches = {
932 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
933 DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
934 },
935 .driver_data = keymap_wistron_md40100
936 },
937 {
938 /* Medion MD 2900 */
939 .callback = dmi_matched,
940 .matches = {
941 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
942 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
943 },
944 .driver_data = keymap_wistron_md2900
945 },
946 {
947 /* Medion MD 42200 */
948 .callback = dmi_matched,
949 .matches = {
950 DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
951 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2030"),
952 },
953 .driver_data = keymap_fs_amilo_pro_v2000
954 },
955 {
956 /* Medion MD 96500 */
957 .callback = dmi_matched,
958 .matches = {
959 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
960 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
961 },
962 .driver_data = keymap_wistron_md96500
963 },
964 {
965 /* Medion MD 95400 */
966 .callback = dmi_matched,
967 .matches = {
968 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
969 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
970 },
971 .driver_data = keymap_wistron_md96500
972 },
973 {
974 /* Fujitsu Siemens Amilo D7820 */
975 .callback = dmi_matched,
976 .matches = {
977 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
978 DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
979 },
980 .driver_data = keymap_fs_amilo_d88x0
981 },
982 {
983 /* Fujitsu Siemens Amilo D88x0 */
984 .callback = dmi_matched,
985 .matches = {
986 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
987 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
988 },
989 .driver_data = keymap_fs_amilo_d88x0
990 },
991 { NULL, }
992};
993MODULE_DEVICE_TABLE(dmi, dmi_ids);
994
995/* Copy the good keymap, as the original ones are free'd */
996static int __init copy_keymap(void)
997{
998 const struct key_entry *key;
999 struct key_entry *new_keymap;
1000 unsigned int length = 1;
1001
1002 for (key = keymap; key->type != KE_END; key++)
1003 length++;
1004
1005 new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
1006 GFP_KERNEL);
1007 if (!new_keymap)
1008 return -ENOMEM;
1009
1010 keymap = new_keymap;
1011
1012 return 0;
1013}
1014
1015static int __init select_keymap(void)
1016{
1017 dmi_check_system(dmi_ids);
1018 if (keymap_name != NULL) {
1019 if (strcmp (keymap_name, "1557/MS2141") == 0)
1020 keymap = keymap_wistron_ms2141;
1021 else if (strcmp (keymap_name, "aopen1557") == 0)
1022 keymap = keymap_aopen_1557;
1023 else if (strcmp (keymap_name, "prestigio") == 0)
1024 keymap = keymap_prestigio;
1025 else if (strcmp (keymap_name, "generic") == 0)
1026 keymap = keymap_wistron_generic;
1027 else {
1028 printk(KERN_ERR "wistron_btns: Keymap unknown\n");
1029 return -EINVAL;
1030 }
1031 }
1032 if (keymap == NULL) {
1033 if (!force) {
1034 printk(KERN_ERR "wistron_btns: System unknown\n");
1035 return -ENODEV;
1036 }
1037 keymap = keymap_empty;
1038 }
1039
1040 return copy_keymap();
1041}
1042
1043 /* Input layer interface */
1044
1045static struct input_polled_dev *wistron_idev;
1046static unsigned long jiffies_last_press;
1047static bool wifi_enabled;
1048static bool bluetooth_enabled;
1049
1050 /* led management */
1051static void wistron_mail_led_set(struct led_classdev *led_cdev,
1052 enum led_brightness value)
1053{
1054 bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
1055}
1056
1057/* same as setting up wifi card, but for laptops on which the led is managed */
1058static void wistron_wifi_led_set(struct led_classdev *led_cdev,
1059 enum led_brightness value)
1060{
1061 bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
1062}
1063
1064static struct led_classdev wistron_mail_led = {
1065 .name = "wistron:green:mail",
1066 .brightness_set = wistron_mail_led_set,
1067};
1068
1069static struct led_classdev wistron_wifi_led = {
1070 .name = "wistron:red:wifi",
1071 .brightness_set = wistron_wifi_led_set,
1072};
1073
1074static void wistron_led_init(struct device *parent)
1075{
1076 if (leds_present & FE_WIFI_LED) {
1077 u16 wifi = bios_get_default_setting(WIFI);
1078 if (wifi & 1) {
1079 wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1080 if (led_classdev_register(parent, &wistron_wifi_led))
1081 leds_present &= ~FE_WIFI_LED;
1082 else
1083 bios_set_state(WIFI, wistron_wifi_led.brightness);
1084
1085 } else
1086 leds_present &= ~FE_WIFI_LED;
1087 }
1088
1089 if (leds_present & FE_MAIL_LED) {
1090 /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1091 wistron_mail_led.brightness = LED_OFF;
1092 if (led_classdev_register(parent, &wistron_mail_led))
1093 leds_present &= ~FE_MAIL_LED;
1094 else
1095 bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1096 }
1097}
1098
1099static void wistron_led_remove(void)
1100{
1101 if (leds_present & FE_MAIL_LED)
1102 led_classdev_unregister(&wistron_mail_led);
1103
1104 if (leds_present & FE_WIFI_LED)
1105 led_classdev_unregister(&wistron_wifi_led);
1106}
1107
1108static inline void wistron_led_suspend(void)
1109{
1110 if (leds_present & FE_MAIL_LED)
1111 led_classdev_suspend(&wistron_mail_led);
1112
1113 if (leds_present & FE_WIFI_LED)
1114 led_classdev_suspend(&wistron_wifi_led);
1115}
1116
1117static inline void wistron_led_resume(void)
1118{
1119 if (leds_present & FE_MAIL_LED)
1120 led_classdev_resume(&wistron_mail_led);
1121
1122 if (leds_present & FE_WIFI_LED)
1123 led_classdev_resume(&wistron_wifi_led);
1124}
1125
1126static void handle_key(u8 code)
1127{
1128 const struct key_entry *key =
1129 sparse_keymap_entry_from_scancode(wistron_idev->input, code);
1130
1131 if (key) {
1132 switch (key->type) {
1133 case KE_WIFI:
1134 if (have_wifi) {
1135 wifi_enabled = !wifi_enabled;
1136 bios_set_state(WIFI, wifi_enabled);
1137 }
1138 break;
1139
1140 case KE_BLUETOOTH:
1141 if (have_bluetooth) {
1142 bluetooth_enabled = !bluetooth_enabled;
1143 bios_set_state(BLUETOOTH, bluetooth_enabled);
1144 }
1145 break;
1146
1147 default:
1148 sparse_keymap_report_entry(wistron_idev->input,
1149 key, 1, true);
1150 break;
1151 }
1152 jiffies_last_press = jiffies;
1153 } else
1154 printk(KERN_NOTICE
1155 "wistron_btns: Unknown key code %02X\n", code);
1156}
1157
1158static void poll_bios(bool discard)
1159{
1160 u8 qlen;
1161 u16 val;
1162
1163 for (;;) {
1164 qlen = CMOS_READ(cmos_address);
1165 if (qlen == 0)
1166 break;
1167 val = bios_pop_queue();
1168 if (val != 0 && !discard)
1169 handle_key((u8)val);
1170 }
1171}
1172
1173static void wistron_flush(struct input_polled_dev *dev)
1174{
1175 /* Flush stale event queue */
1176 poll_bios(true);
1177}
1178
1179static void wistron_poll(struct input_polled_dev *dev)
1180{
1181 poll_bios(false);
1182
1183 /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1184 if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1185 dev->poll_interval = POLL_INTERVAL_BURST;
1186 else
1187 dev->poll_interval = POLL_INTERVAL_DEFAULT;
1188}
1189
1190static int wistron_setup_keymap(struct input_dev *dev,
1191 struct key_entry *entry)
1192{
1193 switch (entry->type) {
1194
1195 /* if wifi or bluetooth are not available, create normal keys */
1196 case KE_WIFI:
1197 if (!have_wifi) {
1198 entry->type = KE_KEY;
1199 entry->keycode = KEY_WLAN;
1200 }
1201 break;
1202
1203 case KE_BLUETOOTH:
1204 if (!have_bluetooth) {
1205 entry->type = KE_KEY;
1206 entry->keycode = KEY_BLUETOOTH;
1207 }
1208 break;
1209
1210 case KE_END:
1211 if (entry->code & FE_UNTESTED)
1212 printk(KERN_WARNING "Untested laptop multimedia keys, "
1213 "please report success or failure to "
1214 "eric.piel@tremplin-utc.net\n");
1215 break;
1216 }
1217
1218 return 0;
1219}
1220
1221static int setup_input_dev(void)
1222{
1223 struct input_dev *input_dev;
1224 int error;
1225
1226 wistron_idev = input_allocate_polled_device();
1227 if (!wistron_idev)
1228 return -ENOMEM;
1229
1230 wistron_idev->open = wistron_flush;
1231 wistron_idev->poll = wistron_poll;
1232 wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1233
1234 input_dev = wistron_idev->input;
1235 input_dev->name = "Wistron laptop buttons";
1236 input_dev->phys = "wistron/input0";
1237 input_dev->id.bustype = BUS_HOST;
1238 input_dev->dev.parent = &wistron_device->dev;
1239
1240 error = sparse_keymap_setup(input_dev, keymap, wistron_setup_keymap);
1241 if (error)
1242 goto err_free_dev;
1243
1244 error = input_register_polled_device(wistron_idev);
1245 if (error)
1246 goto err_free_dev;
1247
1248 return 0;
1249
1250 err_free_dev:
1251 input_free_polled_device(wistron_idev);
1252 return error;
1253}
1254
1255/* Driver core */
1256
1257static int wistron_probe(struct platform_device *dev)
1258{
1259 int err;
1260
1261 bios_attach();
1262 cmos_address = bios_get_cmos_address();
1263
1264 if (have_wifi) {
1265 u16 wifi = bios_get_default_setting(WIFI);
1266 if (wifi & 1)
1267 wifi_enabled = wifi & 2;
1268 else
1269 have_wifi = 0;
1270
1271 if (have_wifi)
1272 bios_set_state(WIFI, wifi_enabled);
1273 }
1274
1275 if (have_bluetooth) {
1276 u16 bt = bios_get_default_setting(BLUETOOTH);
1277 if (bt & 1)
1278 bluetooth_enabled = bt & 2;
1279 else
1280 have_bluetooth = false;
1281
1282 if (have_bluetooth)
1283 bios_set_state(BLUETOOTH, bluetooth_enabled);
1284 }
1285
1286 wistron_led_init(&dev->dev);
1287
1288 err = setup_input_dev();
1289 if (err) {
1290 bios_detach();
1291 return err;
1292 }
1293
1294 return 0;
1295}
1296
1297static int wistron_remove(struct platform_device *dev)
1298{
1299 wistron_led_remove();
1300 input_unregister_polled_device(wistron_idev);
1301 input_free_polled_device(wistron_idev);
1302 bios_detach();
1303
1304 return 0;
1305}
1306
1307#ifdef CONFIG_PM
1308static int wistron_suspend(struct device *dev)
1309{
1310 if (have_wifi)
1311 bios_set_state(WIFI, 0);
1312
1313 if (have_bluetooth)
1314 bios_set_state(BLUETOOTH, 0);
1315
1316 wistron_led_suspend();
1317
1318 return 0;
1319}
1320
1321static int wistron_resume(struct device *dev)
1322{
1323 if (have_wifi)
1324 bios_set_state(WIFI, wifi_enabled);
1325
1326 if (have_bluetooth)
1327 bios_set_state(BLUETOOTH, bluetooth_enabled);
1328
1329 wistron_led_resume();
1330
1331 poll_bios(true);
1332
1333 return 0;
1334}
1335
1336static const struct dev_pm_ops wistron_pm_ops = {
1337 .suspend = wistron_suspend,
1338 .resume = wistron_resume,
1339 .poweroff = wistron_suspend,
1340 .restore = wistron_resume,
1341};
1342#endif
1343
1344static struct platform_driver wistron_driver = {
1345 .driver = {
1346 .name = "wistron-bios",
1347#ifdef CONFIG_PM
1348 .pm = &wistron_pm_ops,
1349#endif
1350 },
1351 .probe = wistron_probe,
1352 .remove = wistron_remove,
1353};
1354
1355static int __init wb_module_init(void)
1356{
1357 int err;
1358
1359 err = select_keymap();
1360 if (err)
1361 return err;
1362
1363 err = map_bios();
1364 if (err)
1365 goto err_free_keymap;
1366
1367 err = platform_driver_register(&wistron_driver);
1368 if (err)
1369 goto err_unmap_bios;
1370
1371 wistron_device = platform_device_alloc("wistron-bios", -1);
1372 if (!wistron_device) {
1373 err = -ENOMEM;
1374 goto err_unregister_driver;
1375 }
1376
1377 err = platform_device_add(wistron_device);
1378 if (err)
1379 goto err_free_device;
1380
1381 return 0;
1382
1383 err_free_device:
1384 platform_device_put(wistron_device);
1385 err_unregister_driver:
1386 platform_driver_unregister(&wistron_driver);
1387 err_unmap_bios:
1388 unmap_bios();
1389 err_free_keymap:
1390 kfree(keymap);
1391
1392 return err;
1393}
1394
1395static void __exit wb_module_exit(void)
1396{
1397 platform_device_unregister(wistron_device);
1398 platform_driver_unregister(&wistron_driver);
1399 unmap_bios();
1400 kfree(keymap);
1401}
1402
1403module_init(wb_module_init);
1404module_exit(wb_module_exit);
1405

Warning: That file was not part of the compilation database. It may have many parsing errors.