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leds: Standardise LED naming scheme
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / input / misc / wistron_btns.c
CommitLineData
5fc14680
DT		 1/*
2 * Wistron laptop button driver
3 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
84b256a6 4 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
a5b0cc80 5 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
5fc14680
DT		 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 */
53d5ed62 20#include <linux/io.h>
5fc14680
DT		 21#include <linux/dmi.h>
22#include <linux/init.h>
c2554c91 23#include <linux/input-polldev.h>
5fc14680 24#include <linux/interrupt.h>
a4da16d3 25#include <linux/jiffies.h>
5fc14680
DT		 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>
5fc14680 31#include <linux/types.h>
a5b0cc80 32#include <linux/platform_device.h>
389679d8 33#include <linux/leds.h>
5fc14680 34
c2554c91
DT		 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 */
5fc14680 38
84b256a6
BR		 39/* BIOS subsystem IDs */
40#define WIFI 0x35
41#define BLUETOOTH 0x34
389679d8 42#define MAIL_LED 0x31
84b256a6 43
5fc14680
DT		 44MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
45MODULE_DESCRIPTION("Wistron laptop button driver");
46MODULE_LICENSE("GPL v2");
389679d8 47MODULE_VERSION("0.3");
5fc14680
DT		 48
49static int force; /* = 0; */
50module_param(force, bool, 0);
51MODULE_PARM_DESC(force, "Load even if computer is not in database");
52
53static char *keymap_name; /* = NULL; */
54module_param_named(keymap, keymap_name, charp, 0);
7b0a4cd7 55MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected [generic, 1557/MS2141]");
5fc14680 56
a5b0cc80
DT		 57static struct platform_device *wistron_device;
58
5fc14680
DT		 59 /* BIOS interface implementation */
60
61static void __iomem *bios_entry_point; /* BIOS routine entry point */
62static void __iomem *bios_code_map_base;
63static void __iomem *bios_data_map_base;
64
65static u8 cmos_address;
66
67struct regs {
68 u32 eax, ebx, ecx;
69};
70
71static 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
c28c3583 89static ssize_t __init locate_wistron_bios(void __iomem *base)
5fc14680 90{
c7948989 91 static unsigned char __initdata signature[] =
5fc14680 92 { 0x42, 0x21, 0x55, 0x30 };
c28c3583 93 ssize_t offset;
5fc14680
DT		 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
103static int __init map_bios(void)
104{
105 void __iomem *base;
c28c3583 106 ssize_t offset;
5fc14680
DT		 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
144err_code:
145 iounmap(bios_code_map_base);
146err:
147 return -ENOMEM;
148}
149
22a397e2 150static inline void unmap_bios(void)
5fc14680
DT		 151{
152 iounmap(bios_code_map_base);
153 iounmap(bios_data_map_base);
154}
155
156 /* BIOS calls */
157
158static 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
e7c3aad5 171static void __devinit bios_attach(void)
5fc14680
DT		 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
22a397e2 181static void bios_detach(void)
5fc14680
DT		 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
e7c3aad5 191static u8 __devinit bios_get_cmos_address(void)
5fc14680
DT		 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
e7c3aad5 203static u16 __devinit bios_get_default_setting(u8 subsys)
5fc14680
DT		 204{
205 struct regs regs;
206
207 memset(&regs, 0, sizeof (regs));
208 regs.eax = 0x9610;
84b256a6 209 regs.ebx = 0x0200 | subsys;
5fc14680
DT		 210 call_bios(&regs);
211
212 return regs.eax;
213}
214
84b256a6 215static void bios_set_state(u8 subsys, int enable)
5fc14680
DT		 216{
217 struct regs regs;
218
219 memset(&regs, 0, sizeof (regs));
220 regs.eax = 0x9610;
84b256a6 221 regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
5fc14680
DT		 222 call_bios(&regs);
223}
224
84b256a6 225/* Hardware database */
5fc14680
DT		 226
227struct key_entry {
228 char type; /* See KE_* below */
229 u8 code;
6480e2a2
EP		 230 union {
231 u16 keycode; /* For KE_KEY */
232 struct { /* For KE_SW */
233 u8 code;
234 u8 value;
235 } sw;
236 };
5fc14680
DT		 237};
238
6480e2a2
EP		 239enum { 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
5fc14680 244
d63219a1 245static struct key_entry *keymap; /* = NULL; Current key map */
5fc14680 246static int have_wifi;
84b256a6 247static int have_bluetooth;
389679d8 248static int have_leds;
5fc14680 249
1855256c 250static int __init dmi_matched(const struct dmi_system_id *dmi)
5fc14680
DT		 251{
252 const struct key_entry *key;
253
254 keymap = dmi->driver_data;
255 for (key = keymap; key->type != KE_END; key++) {
cde45f19 256 if (key->type == KE_WIFI)
5fc14680 257 have_wifi = 1;
cde45f19 258 else if (key->type == KE_BLUETOOTH)
84b256a6 259 have_bluetooth = 1;
5fc14680 260 }
389679d8
EP		 261 have_leds = key->code & (FE_MAIL_LED | FE_WIFI_LED);
262
5fc14680
DT		 263 return 1;
264}
265
55d29c98 266static struct key_entry keymap_empty[] __initdata = {
5fc14680
DT		 267 { KE_END, 0 }
268};
269
55d29c98 270static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
6480e2a2
EP		 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} },
5fc14680
DT		 277 { KE_END, 0 }
278};
279
55d29c98 280static struct key_entry keymap_fujitsu_n3510[] __initdata = {
6480e2a2
EP		 281 { KE_KEY, 0x11, {KEY_PROG1} },
282 { KE_KEY, 0x12, {KEY_PROG2} },
283 { KE_KEY, 0x36, {KEY_WWW} },
284 { KE_KEY, 0x31, {KEY_MAIL} },
285 { KE_KEY, 0x71, {KEY_STOPCD} },
286 { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
287 { KE_KEY, 0x74, {KEY_REWIND} },
288 { KE_KEY, 0x78, {KEY_FORWARD} },
e2aa507a
JRR		 289 { KE_END, 0 }
290};
291
55d29c98 292static struct key_entry keymap_wistron_ms2111[] __initdata = {
6480e2a2
EP		 293 { KE_KEY, 0x11, {KEY_PROG1} },
294 { KE_KEY, 0x12, {KEY_PROG2} },
295 { KE_KEY, 0x13, {KEY_PROG3} },
296 { KE_KEY, 0x31, {KEY_MAIL} },
297 { KE_KEY, 0x36, {KEY_WWW} },
298 { KE_END, FE_MAIL_LED }
299};
300
55d29c98 301static struct key_entry keymap_wistron_md40100[] __initdata = {
6480e2a2
EP		 302 { KE_KEY, 0x01, {KEY_HELP} },
303 { KE_KEY, 0x02, {KEY_CONFIG} },
304 { KE_KEY, 0x31, {KEY_MAIL} },
305 { KE_KEY, 0x36, {KEY_WWW} },
306 { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
307 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
9000195b
FL		 308};
309
55d29c98 310static struct key_entry keymap_wistron_ms2141[] __initdata = {
6480e2a2
EP		 311 { KE_KEY, 0x11, {KEY_PROG1} },
312 { KE_KEY, 0x12, {KEY_PROG2} },
313 { KE_WIFI, 0x30 },
314 { KE_KEY, 0x22, {KEY_REWIND} },
315 { KE_KEY, 0x23, {KEY_FORWARD} },
316 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
317 { KE_KEY, 0x25, {KEY_STOPCD} },
318 { KE_KEY, 0x31, {KEY_MAIL} },
319 { KE_KEY, 0x36, {KEY_WWW} },
5fc14680
DT		 320 { KE_END, 0 }
321};
322
55d29c98 323static struct key_entry keymap_acer_aspire_1500[] __initdata = {
6480e2a2
EP		 324 { KE_KEY, 0x01, {KEY_HELP} },
325 { KE_KEY, 0x03, {KEY_POWER} },
326 { KE_KEY, 0x11, {KEY_PROG1} },
327 { KE_KEY, 0x12, {KEY_PROG2} },
328 { KE_WIFI, 0x30 },
329 { KE_KEY, 0x31, {KEY_MAIL} },
330 { KE_KEY, 0x36, {KEY_WWW} },
331 { KE_KEY, 0x49, {KEY_CONFIG} },
332 { KE_BLUETOOTH, 0x44 },
333 { KE_END, FE_UNTESTED }
334};
335
55d29c98 336static struct key_entry keymap_acer_aspire_1600[] __initdata = {
6480e2a2
EP		 337 { KE_KEY, 0x01, {KEY_HELP} },
338 { KE_KEY, 0x03, {KEY_POWER} },
339 { KE_KEY, 0x08, {KEY_MUTE} },
340 { KE_KEY, 0x11, {KEY_PROG1} },
341 { KE_KEY, 0x12, {KEY_PROG2} },
342 { KE_KEY, 0x13, {KEY_PROG3} },
343 { KE_KEY, 0x31, {KEY_MAIL} },
344 { KE_KEY, 0x36, {KEY_WWW} },
345 { KE_KEY, 0x49, {KEY_CONFIG} },
346 { KE_WIFI, 0x30 },
347 { KE_BLUETOOTH, 0x44 },
348 { KE_END, FE_MAIL_LED | FE_UNTESTED }
349};
350
351/* 3020 has been tested */
55d29c98 352static struct key_entry keymap_acer_aspire_5020[] __initdata = {
6480e2a2
EP		 353 { KE_KEY, 0x01, {KEY_HELP} },
354 { KE_KEY, 0x03, {KEY_POWER} },
355 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
356 { KE_KEY, 0x11, {KEY_PROG1} },
357 { KE_KEY, 0x12, {KEY_PROG2} },
358 { KE_KEY, 0x31, {KEY_MAIL} },
359 { KE_KEY, 0x36, {KEY_WWW} },
360 { KE_KEY, 0x6a, {KEY_CONFIG} },
361 { KE_WIFI, 0x30 },
362 { KE_BLUETOOTH, 0x44 },
363 { KE_END, FE_MAIL_LED | FE_UNTESTED }
364};
365
55d29c98 366static struct key_entry keymap_acer_travelmate_2410[] __initdata = {
6480e2a2
EP		 367 { KE_KEY, 0x01, {KEY_HELP} },
368 { KE_KEY, 0x6d, {KEY_POWER} },
369 { KE_KEY, 0x11, {KEY_PROG1} },
370 { KE_KEY, 0x12, {KEY_PROG2} },
371 { KE_KEY, 0x31, {KEY_MAIL} },
372 { KE_KEY, 0x36, {KEY_WWW} },
373 { KE_KEY, 0x6a, {KEY_CONFIG} },
374 { KE_WIFI, 0x30 },
375 { KE_BLUETOOTH, 0x44 },
376 { KE_END, FE_MAIL_LED | FE_UNTESTED }
377};
378
55d29c98 379static struct key_entry keymap_acer_travelmate_110[] __initdata = {
6480e2a2
EP		 380 { KE_KEY, 0x01, {KEY_HELP} },
381 { KE_KEY, 0x02, {KEY_CONFIG} },
382 { KE_KEY, 0x03, {KEY_POWER} },
383 { KE_KEY, 0x08, {KEY_MUTE} },
384 { KE_KEY, 0x11, {KEY_PROG1} },
385 { KE_KEY, 0x12, {KEY_PROG2} },
386 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
387 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
388 { KE_KEY, 0x31, {KEY_MAIL} },
389 { KE_KEY, 0x36, {KEY_WWW} },
390 { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
391 { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
392 { KE_WIFI, 0x30 },
393 { KE_END, FE_MAIL_LED | FE_UNTESTED }
394};
395
55d29c98 396static struct key_entry keymap_acer_travelmate_300[] __initdata = {
6480e2a2
EP		 397 { KE_KEY, 0x01, {KEY_HELP} },
398 { KE_KEY, 0x02, {KEY_CONFIG} },
399 { KE_KEY, 0x03, {KEY_POWER} },
400 { KE_KEY, 0x08, {KEY_MUTE} },
401 { KE_KEY, 0x11, {KEY_PROG1} },
402 { KE_KEY, 0x12, {KEY_PROG2} },
403 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
404 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
405 { KE_KEY, 0x31, {KEY_MAIL} },
406 { KE_KEY, 0x36, {KEY_WWW} },
407 { KE_WIFI, 0x30 },
408 { KE_BLUETOOTH, 0x44 },
409 { KE_END, FE_MAIL_LED | FE_UNTESTED }
410};
411
55d29c98 412static struct key_entry keymap_acer_travelmate_380[] __initdata = {
6480e2a2
EP		 413 { KE_KEY, 0x01, {KEY_HELP} },
414 { KE_KEY, 0x02, {KEY_CONFIG} },
415 { KE_KEY, 0x03, {KEY_POWER} }, /* not 370 */
416 { KE_KEY, 0x11, {KEY_PROG1} },
417 { KE_KEY, 0x12, {KEY_PROG2} },
418 { KE_KEY, 0x13, {KEY_PROG3} },
419 { KE_KEY, 0x31, {KEY_MAIL} },
420 { KE_KEY, 0x36, {KEY_WWW} },
421 { KE_WIFI, 0x30 },
422 { KE_END, FE_MAIL_LED | FE_UNTESTED }
423};
424
425/* unusual map */
55d29c98 426static struct key_entry keymap_acer_travelmate_220[] __initdata = {
6480e2a2
EP		 427 { KE_KEY, 0x01, {KEY_HELP} },
428 { KE_KEY, 0x02, {KEY_CONFIG} },
429 { KE_KEY, 0x11, {KEY_MAIL} },
430 { KE_KEY, 0x12, {KEY_WWW} },
431 { KE_KEY, 0x13, {KEY_PROG2} },
432 { KE_KEY, 0x31, {KEY_PROG1} },
433 { KE_END, FE_WIFI_LED | FE_UNTESTED }
434};
435
55d29c98 436static struct key_entry keymap_acer_travelmate_230[] __initdata = {
6480e2a2
EP		 437 { KE_KEY, 0x01, {KEY_HELP} },
438 { KE_KEY, 0x02, {KEY_CONFIG} },
439 { KE_KEY, 0x11, {KEY_PROG1} },
440 { KE_KEY, 0x12, {KEY_PROG2} },
441 { KE_KEY, 0x31, {KEY_MAIL} },
442 { KE_KEY, 0x36, {KEY_WWW} },
443 { KE_END, FE_WIFI_LED | FE_UNTESTED }
84b256a6
BR		 444};
445
55d29c98 446static struct key_entry keymap_acer_travelmate_240[] __initdata = {
6480e2a2
EP		 447 { KE_KEY, 0x01, {KEY_HELP} },
448 { KE_KEY, 0x02, {KEY_CONFIG} },
449 { KE_KEY, 0x03, {KEY_POWER} },
450 { KE_KEY, 0x08, {KEY_MUTE} },
451 { KE_KEY, 0x31, {KEY_MAIL} },
452 { KE_KEY, 0x36, {KEY_WWW} },
453 { KE_KEY, 0x11, {KEY_PROG1} },
454 { KE_KEY, 0x12, {KEY_PROG2} },
455 { KE_BLUETOOTH, 0x44 },
456 { KE_WIFI, 0x30 },
457 { KE_END, FE_UNTESTED }
458};
459
55d29c98 460static struct key_entry keymap_acer_travelmate_350[] __initdata = {
6480e2a2
EP		 461 { KE_KEY, 0x01, {KEY_HELP} },
462 { KE_KEY, 0x02, {KEY_CONFIG} },
463 { KE_KEY, 0x11, {KEY_PROG1} },
464 { KE_KEY, 0x12, {KEY_PROG2} },
465 { KE_KEY, 0x13, {KEY_MAIL} },
466 { KE_KEY, 0x14, {KEY_PROG3} },
467 { KE_KEY, 0x15, {KEY_WWW} },
468 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
469};
470
55d29c98 471static struct key_entry keymap_acer_travelmate_360[] __initdata = {
6480e2a2
EP		 472 { KE_KEY, 0x01, {KEY_HELP} },
473 { KE_KEY, 0x02, {KEY_CONFIG} },
474 { KE_KEY, 0x11, {KEY_PROG1} },
475 { KE_KEY, 0x12, {KEY_PROG2} },
476 { KE_KEY, 0x13, {KEY_MAIL} },
477 { KE_KEY, 0x14, {KEY_PROG3} },
478 { KE_KEY, 0x15, {KEY_WWW} },
479 { KE_KEY, 0x40, {KEY_WLAN} },
480 { KE_END, FE_WIFI_LED | FE_UNTESTED } /* no mail led */
74a89c96
AN		 481};
482
bc413c95
EP		 483/* Wifi subsystem only activates the led. Therefore we need to pass
484 * wifi event as a normal key, then userspace can really change the wifi state.
485 * TODO we need to export led state to userspace (wifi and mail) */
55d29c98 486static struct key_entry keymap_acer_travelmate_610[] __initdata = {
6480e2a2
EP		 487 { KE_KEY, 0x01, {KEY_HELP} },
488 { KE_KEY, 0x02, {KEY_CONFIG} },
489 { KE_KEY, 0x11, {KEY_PROG1} },
fd013ce8 490 { KE_KEY, 0x12, {KEY_PROG2} },
6480e2a2
EP		 491 { KE_KEY, 0x13, {KEY_PROG3} },
492 { KE_KEY, 0x14, {KEY_MAIL} },
493 { KE_KEY, 0x15, {KEY_WWW} },
494 { KE_KEY, 0x40, {KEY_WLAN} },
495 { KE_END, FE_MAIL_LED | FE_WIFI_LED }
496};
497
55d29c98 498static struct key_entry keymap_acer_travelmate_630[] __initdata = {
6480e2a2
EP		 499 { KE_KEY, 0x01, {KEY_HELP} },
500 { KE_KEY, 0x02, {KEY_CONFIG} },
501 { KE_KEY, 0x03, {KEY_POWER} },
502 { KE_KEY, 0x08, {KEY_MUTE} }, /* not 620 */
503 { KE_KEY, 0x11, {KEY_PROG1} },
504 { KE_KEY, 0x12, {KEY_PROG2} },
505 { KE_KEY, 0x13, {KEY_PROG3} },
506 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
507 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
508 { KE_KEY, 0x31, {KEY_MAIL} },
509 { KE_KEY, 0x36, {KEY_WWW} },
510 { KE_WIFI, 0x30 },
511 { KE_END, FE_MAIL_LED | FE_UNTESTED }
bc413c95
EP		 512};
513
55d29c98 514static struct key_entry keymap_aopen_1559as[] __initdata = {
6480e2a2
EP		 515 { KE_KEY, 0x01, {KEY_HELP} },
516 { KE_KEY, 0x06, {KEY_PROG3} },
517 { KE_KEY, 0x11, {KEY_PROG1} },
518 { KE_KEY, 0x12, {KEY_PROG2} },
519 { KE_WIFI, 0x30 },
520 { KE_KEY, 0x31, {KEY_MAIL} },
521 { KE_KEY, 0x36, {KEY_WWW} },
9000195b 522 { KE_END, 0 },
e107b8ee 523};
524
55d29c98 525static struct key_entry keymap_fs_amilo_d88x0[] __initdata = {
6480e2a2
EP		 526 { KE_KEY, 0x01, {KEY_HELP} },
527 { KE_KEY, 0x08, {KEY_MUTE} },
528 { KE_KEY, 0x31, {KEY_MAIL} },
529 { KE_KEY, 0x36, {KEY_WWW} },
530 { KE_KEY, 0x11, {KEY_PROG1} },
531 { KE_KEY, 0x12, {KEY_PROG2} },
532 { KE_KEY, 0x13, {KEY_PROG3} },
533 { KE_END, FE_MAIL_LED | FE_WIFI_LED | FE_UNTESTED }
534};
535
55d29c98 536static struct key_entry keymap_wistron_md2900[] __initdata = {
6480e2a2
EP		 537 { KE_KEY, 0x01, {KEY_HELP} },
538 { KE_KEY, 0x02, {KEY_CONFIG} },
539 { KE_KEY, 0x11, {KEY_PROG1} },
540 { KE_KEY, 0x12, {KEY_PROG2} },
541 { KE_KEY, 0x31, {KEY_MAIL} },
542 { KE_KEY, 0x36, {KEY_WWW} },
543 { KE_WIFI, 0x30 },
544 { KE_END, FE_MAIL_LED | FE_UNTESTED }
545};
546
55d29c98 547static struct key_entry keymap_wistron_md96500[] __initdata = {
6480e2a2
EP		 548 { KE_KEY, 0x01, {KEY_HELP} },
549 { KE_KEY, 0x02, {KEY_CONFIG} },
550 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
551 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
552 { KE_KEY, 0x08, {KEY_MUTE} },
553 { KE_KEY, 0x11, {KEY_PROG1} },
554 { KE_KEY, 0x12, {KEY_PROG2} },
555 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
556 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
557 { KE_KEY, 0x22, {KEY_REWIND} },
558 { KE_KEY, 0x23, {KEY_FORWARD} },
559 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
560 { KE_KEY, 0x25, {KEY_STOPCD} },
561 { KE_KEY, 0x31, {KEY_MAIL} },
562 { KE_KEY, 0x36, {KEY_WWW} },
563 { KE_WIFI, 0x30 },
564 { KE_BLUETOOTH, 0x44 },
565 { KE_END, FE_UNTESTED }
5809d537
ML		 566};
567
55d29c98 568static struct key_entry keymap_wistron_generic[] __initdata = {
7b0a4cd7
EP		 569 { KE_KEY, 0x01, {KEY_HELP} },
570 { KE_KEY, 0x02, {KEY_CONFIG} },
571 { KE_KEY, 0x03, {KEY_POWER} },
572 { KE_KEY, 0x05, {KEY_SWITCHVIDEOMODE} }, /* Display selection */
573 { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
574 { KE_KEY, 0x08, {KEY_MUTE} },
575 { KE_KEY, 0x11, {KEY_PROG1} },
576 { KE_KEY, 0x12, {KEY_PROG2} },
577 { KE_KEY, 0x13, {KEY_PROG3} },
578 { KE_KEY, 0x14, {KEY_MAIL} },
579 { KE_KEY, 0x15, {KEY_WWW} },
580 { KE_KEY, 0x20, {KEY_VOLUMEUP} },
581 { KE_KEY, 0x21, {KEY_VOLUMEDOWN} },
582 { KE_KEY, 0x22, {KEY_REWIND} },
583 { KE_KEY, 0x23, {KEY_FORWARD} },
584 { KE_KEY, 0x24, {KEY_PLAYPAUSE} },
585 { KE_KEY, 0x25, {KEY_STOPCD} },
586 { KE_KEY, 0x31, {KEY_MAIL} },
587 { KE_KEY, 0x36, {KEY_WWW} },
588 { KE_KEY, 0x37, {KEY_DISPLAYTOGGLE} }, /* Display on/off */
589 { KE_KEY, 0x40, {KEY_WLAN} },
590 { KE_KEY, 0x49, {KEY_CONFIG} },
591 { KE_SW, 0x4a, {.sw = {SW_LID, 1}} }, /* lid close */
592 { KE_SW, 0x4b, {.sw = {SW_LID, 0}} }, /* lid open */
593 { KE_KEY, 0x6a, {KEY_CONFIG} },
594 { KE_KEY, 0x6d, {KEY_POWER} },
595 { KE_KEY, 0x71, {KEY_STOPCD} },
596 { KE_KEY, 0x72, {KEY_PLAYPAUSE} },
597 { KE_KEY, 0x74, {KEY_REWIND} },
598 { KE_KEY, 0x78, {KEY_FORWARD} },
599 { KE_WIFI, 0x30 },
600 { KE_BLUETOOTH, 0x44 },
601 { KE_END, 0 }
602};
603
5fc14680
DT		 604/*
605 * If your machine is not here (which is currently rather likely), please send
606 * a list of buttons and their key codes (reported when loading this module
607 * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
608 */
c7948989 609static struct dmi_system_id dmi_ids[] __initdata = {
5fc14680
DT		 610 {
611 .callback = dmi_matched,
612 .ident = "Fujitsu-Siemens Amilo Pro V2000",
613 .matches = {
614 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
615 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
616 },
617 .driver_data = keymap_fs_amilo_pro_v2000
618 },
8a1b1708
SR		 619 {
620 .callback = dmi_matched,
621 .ident = "Fujitsu-Siemens Amilo M7400",
622 .matches = {
623 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
624 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M "),
625 },
626 .driver_data = keymap_fs_amilo_pro_v2000
627 },
e2aa507a
JRR		 628 {
629 .callback = dmi_matched,
630 .ident = "Fujitsu N3510",
631 .matches = {
632 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
633 DMI_MATCH(DMI_PRODUCT_NAME, "N3510"),
634 },
635 .driver_data = keymap_fujitsu_n3510
636 },
84b256a6
BR		 637 {
638 .callback = dmi_matched,
639 .ident = "Acer Aspire 1500",
640 .matches = {
641 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
642 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
643 },
644 .driver_data = keymap_acer_aspire_1500
645 },
6480e2a2
EP		 646 {
647 .callback = dmi_matched,
648 .ident = "Acer Aspire 1600",
649 .matches = {
650 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
651 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1600"),
652 },
653 .driver_data = keymap_acer_aspire_1600
654 },
655 {
656 .callback = dmi_matched,
657 .ident = "Acer Aspire 3020",
658 .matches = {
659 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
660 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3020"),
661 },
662 .driver_data = keymap_acer_aspire_5020
663 },
664 {
665 .callback = dmi_matched,
666 .ident = "Acer Aspire 5020",
667 .matches = {
668 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
669 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5020"),
670 },
671 .driver_data = keymap_acer_aspire_5020
672 },
673 {
674 .callback = dmi_matched,
675 .ident = "Acer TravelMate 2100",
676 .matches = {
677 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
678 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2100"),
679 },
680 .driver_data = keymap_acer_aspire_5020
681 },
682 {
683 .callback = dmi_matched,
684 .ident = "Acer TravelMate 2410",
685 .matches = {
686 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
687 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2410"),
688 },
689 .driver_data = keymap_acer_travelmate_2410
690 },
691 {
692 .callback = dmi_matched,
693 .ident = "Acer TravelMate C300",
694 .matches = {
695 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
696 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C300"),
697 },
698 .driver_data = keymap_acer_travelmate_300
699 },
700 {
701 .callback = dmi_matched,
702 .ident = "Acer TravelMate C100",
703 .matches = {
704 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
705 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C100"),
706 },
707 .driver_data = keymap_acer_travelmate_300
708 },
709 {
710 .callback = dmi_matched,
711 .ident = "Acer TravelMate C110",
712 .matches = {
713 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
714 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate C110"),
715 },
716 .driver_data = keymap_acer_travelmate_110
717 },
718 {
719 .callback = dmi_matched,
720 .ident = "Acer TravelMate 380",
721 .matches = {
722 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
723 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 380"),
724 },
725 .driver_data = keymap_acer_travelmate_380
726 },
727 {
728 .callback = dmi_matched,
729 .ident = "Acer TravelMate 370",
730 .matches = {
731 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
732 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 370"),
733 },
734 .driver_data = keymap_acer_travelmate_380 /* keyboard minus 1 key */
735 },
736 {
737 .callback = dmi_matched,
738 .ident = "Acer TravelMate 220",
739 .matches = {
740 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
741 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 220"),
742 },
743 .driver_data = keymap_acer_travelmate_220
744 },
745 {
746 .callback = dmi_matched,
747 .ident = "Acer TravelMate 260",
748 .matches = {
749 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
750 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 260"),
751 },
752 .driver_data = keymap_acer_travelmate_220
753 },
754 {
755 .callback = dmi_matched,
756 .ident = "Acer TravelMate 230",
757 .matches = {
758 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
759 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 230"),
760 /* acerhk looks for "TravelMate F4..." ?! */
761 },
762 .driver_data = keymap_acer_travelmate_230
763 },
764 {
765 .callback = dmi_matched,
766 .ident = "Acer TravelMate 280",
767 .matches = {
768 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
769 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 280"),
770 },
771 .driver_data = keymap_acer_travelmate_230
772 },
74a89c96
AN		 773 {
774 .callback = dmi_matched,
775 .ident = "Acer TravelMate 240",
776 .matches = {
777 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
778 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
779 },
780 .driver_data = keymap_acer_travelmate_240
781 },
6480e2a2
EP		 782 {
783 .callback = dmi_matched,
784 .ident = "Acer TravelMate 250",
785 .matches = {
786 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
787 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 250"),
788 },
789 .driver_data = keymap_acer_travelmate_240
790 },
bb088590
AN		 791 {
792 .callback = dmi_matched,
793 .ident = "Acer TravelMate 2424NWXCi",
794 .matches = {
795 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
796 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2420"),
797 },
798 .driver_data = keymap_acer_travelmate_240
799 },
6480e2a2
EP		 800 {
801 .callback = dmi_matched,
802 .ident = "Acer TravelMate 350",
803 .matches = {
804 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
805 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 350"),
806 },
807 .driver_data = keymap_acer_travelmate_350
808 },
809 {
810 .callback = dmi_matched,
811 .ident = "Acer TravelMate 360",
812 .matches = {
813 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
814 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
815 },
816 .driver_data = keymap_acer_travelmate_360
817 },
bc413c95
EP		 818 {
819 .callback = dmi_matched,
820 .ident = "Acer TravelMate 610",
821 .matches = {
822 DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
823 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 610"),
824 },
825 .driver_data = keymap_acer_travelmate_610
826 },
6480e2a2
EP		 827 {
828 .callback = dmi_matched,
829 .ident = "Acer TravelMate 620",
830 .matches = {
831 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
832 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 620"),
833 },
834 .driver_data = keymap_acer_travelmate_630
835 },
836 {
837 .callback = dmi_matched,
838 .ident = "Acer TravelMate 630",
839 .matches = {
840 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
841 DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 630"),
842 },
843 .driver_data = keymap_acer_travelmate_630
844 },
bb088590 845 {
e107b8ee 846 .callback = dmi_matched,
847 .ident = "AOpen 1559AS",
848 .matches = {
849 DMI_MATCH(DMI_PRODUCT_NAME, "E2U"),
850 DMI_MATCH(DMI_BOARD_NAME, "E2U"),
851 },
852 .driver_data = keymap_aopen_1559as
853 },
9000195b
FL		 854 {
855 .callback = dmi_matched,
856 .ident = "Medion MD 9783",
857 .matches = {
858 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
859 DMI_MATCH(DMI_PRODUCT_NAME, "MD 9783"),
860 },
861 .driver_data = keymap_wistron_ms2111
862 },
6480e2a2
EP		 863 {
864 .callback = dmi_matched,
865 .ident = "Medion MD 40100",
866 .matches = {
867 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
868 DMI_MATCH(DMI_PRODUCT_NAME, "WID2000"),
869 },
870 .driver_data = keymap_wistron_md40100
871 },
872 {
873 .callback = dmi_matched,
874 .ident = "Medion MD 2900",
875 .matches = {
876 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
877 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2000"),
878 },
879 .driver_data = keymap_wistron_md2900
880 },
881 {
882 .callback = dmi_matched,
883 .ident = "Medion MD 96500",
884 .matches = {
885 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
886 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2040"),
887 },
888 .driver_data = keymap_wistron_md96500
889 },
890 {
891 .callback = dmi_matched,
892 .ident = "Medion MD 95400",
893 .matches = {
894 DMI_MATCH(DMI_SYS_VENDOR, "MEDIONPC"),
895 DMI_MATCH(DMI_PRODUCT_NAME, "WIM 2050"),
896 },
897 .driver_data = keymap_wistron_md96500
898 },
899 {
900 .callback = dmi_matched,
901 .ident = "Fujitsu Siemens Amilo D7820",
902 .matches = {
903 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), /* not sure */
904 DMI_MATCH(DMI_PRODUCT_NAME, "Amilo D"),
905 },
906 .driver_data = keymap_fs_amilo_d88x0
907 },
5809d537
ML		 908 {
909 .callback = dmi_matched,
910 .ident = "Fujitsu Siemens Amilo D88x0",
911 .matches = {
912 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
913 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO D"),
914 },
915 .driver_data = keymap_fs_amilo_d88x0
916 },
81f0a91e 917 { NULL, }
5fc14680
DT		 918};
919
55d29c98
EP		 920/* Copy the good keymap, as the original ones are free'd */
921static int __init copy_keymap(void)
922{
923 const struct key_entry *key;
924 struct key_entry *new_keymap;
925 unsigned int length = 1;
926
927 for (key = keymap; key->type != KE_END; key++)
928 length++;
929
930 new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
931 if (!new_keymap)
932 return -ENOMEM;
933
934 memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
935 keymap = new_keymap;
936
937 return 0;
938}
939
5fc14680
DT		 940static int __init select_keymap(void)
941{
7b0a4cd7 942 dmi_check_system(dmi_ids);
5fc14680
DT		 943 if (keymap_name != NULL) {
944 if (strcmp (keymap_name, "1557/MS2141") == 0)
945 keymap = keymap_wistron_ms2141;
7b0a4cd7
EP		 946 else if (strcmp (keymap_name, "generic") == 0)
947 keymap = keymap_wistron_generic;
5fc14680
DT		 948 else {
949 printk(KERN_ERR "wistron_btns: Keymap unknown\n");
950 return -EINVAL;
951 }
952 }
5fc14680
DT		 953 if (keymap == NULL) {
954 if (!force) {
955 printk(KERN_ERR "wistron_btns: System unknown\n");
956 return -ENODEV;
957 }
958 keymap = keymap_empty;
959 }
55d29c98
EP		 960
961 return copy_keymap();
5fc14680
DT		 962}
963
964 /* Input layer interface */
965
c2554c91
DT		 966static struct input_polled_dev *wistron_idev;
967static unsigned long jiffies_last_press;
968static int wifi_enabled;
969static int bluetooth_enabled;
5fc14680 970
c2554c91 971static void report_key(struct input_dev *dev, unsigned int keycode)
5fc14680 972{
c2554c91
DT		 973 input_report_key(dev, keycode, 1);
974 input_sync(dev);
975 input_report_key(dev, keycode, 0);
976 input_sync(dev);
5fc14680
DT		 977}
978
c2554c91 979static void report_switch(struct input_dev *dev, unsigned int code, int value)
6480e2a2 980{
c2554c91
DT		 981 input_report_switch(dev, code, value);
982 input_sync(dev);
6480e2a2
EP		 983}
984
389679d8
EP		 985
986 /* led management */
987static void wistron_mail_led_set(struct led_classdev *led_cdev,
988 enum led_brightness value)
989{
990 bios_set_state(MAIL_LED, (value != LED_OFF) ? 1 : 0);
991}
992
993/* same as setting up wifi card, but for laptops on which the led is managed */
994static void wistron_wifi_led_set(struct led_classdev *led_cdev,
995 enum led_brightness value)
996{
997 bios_set_state(WIFI, (value != LED_OFF) ? 1 : 0);
998}
999
1000static struct led_classdev wistron_mail_led = {
6c152bee 1001 .name = "wistron:green:mail",
389679d8
EP		 1002 .brightness_set = wistron_mail_led_set,
1003};
1004
1005static struct led_classdev wistron_wifi_led = {
6c152bee 1006 .name = "wistron:red:wifi",
389679d8
EP		 1007 .brightness_set = wistron_wifi_led_set,
1008};
1009
1010static void __devinit wistron_led_init(struct device *parent)
1011{
1012 if (have_leds & FE_WIFI_LED) {
1013 u16 wifi = bios_get_default_setting(WIFI);
1014 if (wifi & 1) {
1015 wistron_wifi_led.brightness = (wifi & 2) ? LED_FULL : LED_OFF;
1016 if (led_classdev_register(parent, &wistron_wifi_led))
1017 have_leds &= ~FE_WIFI_LED;
1018 else
1019 bios_set_state(WIFI, wistron_wifi_led.brightness);
1020
1021 } else
1022 have_leds &= ~FE_WIFI_LED;
1023 }
1024
1025 if (have_leds & FE_MAIL_LED) {
1026 /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
1027 wistron_mail_led.brightness = LED_OFF;
1028 if (led_classdev_register(parent, &wistron_mail_led))
1029 have_leds &= ~FE_MAIL_LED;
1030 else
1031 bios_set_state(MAIL_LED, wistron_mail_led.brightness);
1032 }
1033}
1034
1035static void __devexit wistron_led_remove(void)
1036{
1037 if (have_leds & FE_MAIL_LED)
1038 led_classdev_unregister(&wistron_mail_led);
1039
1040 if (have_leds & FE_WIFI_LED)
1041 led_classdev_unregister(&wistron_wifi_led);
1042}
1043
1044static inline void wistron_led_suspend(void)
1045{
1046 if (have_leds & FE_MAIL_LED)
1047 led_classdev_suspend(&wistron_mail_led);
1048
1049 if (have_leds & FE_WIFI_LED)
1050 led_classdev_suspend(&wistron_wifi_led);
1051}
1052
1053static inline void wistron_led_resume(void)
1054{
1055 if (have_leds & FE_MAIL_LED)
1056 led_classdev_resume(&wistron_mail_led);
1057
1058 if (have_leds & FE_WIFI_LED)
1059 led_classdev_resume(&wistron_wifi_led);
1060}
1061
d63219a1
DT		 1062static struct key_entry *wistron_get_entry_by_scancode(int code)
1063{
1064 struct key_entry *key;
1065
1066 for (key = keymap; key->type != KE_END; key++)
1067 if (code == key->code)
1068 return key;
1069
1070 return NULL;
1071}
1072
1073static struct key_entry *wistron_get_entry_by_keycode(int keycode)
1074{
1075 struct key_entry *key;
1076
1077 for (key = keymap; key->type != KE_END; key++)
1078 if (key->type == KE_KEY && keycode == key->keycode)
1079 return key;
1080
1081 return NULL;
1082}
1083
5fc14680
DT		 1084static void handle_key(u8 code)
1085{
d63219a1 1086 const struct key_entry *key = wistron_get_entry_by_scancode(code);
5fc14680 1087
d63219a1
DT		 1088 if (key) {
1089 switch (key->type) {
1090 case KE_KEY:
1091 report_key(wistron_idev->input, key->keycode);
1092 break;
1093
1094 case KE_SW:
1095 report_switch(wistron_idev->input,
1096 key->sw.code, key->sw.value);
1097 break;
1098
1099 case KE_WIFI:
1100 if (have_wifi) {
1101 wifi_enabled = !wifi_enabled;
1102 bios_set_state(WIFI, wifi_enabled);
5fc14680 1103 }
d63219a1
DT		 1104 break;
1105
1106 case KE_BLUETOOTH:
1107 if (have_bluetooth) {
1108 bluetooth_enabled = !bluetooth_enabled;
1109 bios_set_state(BLUETOOTH, bluetooth_enabled);
1110 }
1111 break;
1112
1113 default:
1114 BUG();
5fc14680 1115 }
d63219a1
DT		 1116 jiffies_last_press = jiffies;
1117 } else
1118 printk(KERN_NOTICE
1119 "wistron_btns: Unknown key code %02X\n", code);
5fc14680
DT		 1120}
1121
c2554c91 1122static void poll_bios(bool discard)
5fc14680
DT		 1123{
1124 u8 qlen;
1125 u16 val;
1126
1127 for (;;) {
1128 qlen = CMOS_READ(cmos_address);
1129 if (qlen == 0)
1130 break;
1131 val = bios_pop_queue();
c2554c91 1132 if (val != 0 && !discard)
5fc14680
DT		 1133 handle_key((u8)val);
1134 }
c2554c91
DT		 1135}
1136
1137static void wistron_flush(struct input_polled_dev *dev)
1138{
1139 /* Flush stale event queue */
1140 poll_bios(true);
1141}
1142
1143static void wistron_poll(struct input_polled_dev *dev)
1144{
1145 poll_bios(false);
5fc14680 1146
c2554c91
DT		 1147 /* Increase poll frequency if user is currently pressing keys (< 2s ago) */
1148 if (time_before(jiffies, jiffies_last_press + 2 * HZ))
1149 dev->poll_interval = POLL_INTERVAL_BURST;
a4da16d3 1150 else
c2554c91 1151 dev->poll_interval = POLL_INTERVAL_DEFAULT;
5fc14680
DT		 1152}
1153
d63219a1
DT		 1154static int wistron_getkeycode(struct input_dev *dev, int scancode, int *keycode)
1155{
1156 const struct key_entry *key = wistron_get_entry_by_scancode(scancode);
1157
1158 if (key && key->type == KE_KEY) {
1159 *keycode = key->keycode;
1160 return 0;
1161 }
1162
1163 return -EINVAL;
1164}
1165
1166static int wistron_setkeycode(struct input_dev *dev, int scancode, int keycode)
1167{
1168 struct key_entry *key;
1169 int old_keycode;
1170
1171 if (keycode < 0 || keycode > KEY_MAX)
1172 return -EINVAL;
1173
1174 key = wistron_get_entry_by_scancode(scancode);
1175 if (key && key->type == KE_KEY) {
1176 old_keycode = key->keycode;
1177 key->keycode = keycode;
1178 set_bit(keycode, dev->keybit);
1179 if (!wistron_get_entry_by_keycode(old_keycode))
1180 clear_bit(old_keycode, dev->keybit);
1181 return 0;
1182 }
1183
1184 return -EINVAL;
1185}
1186
c2554c91
DT		 1187static int __devinit setup_input_dev(void)
1188{
1189 const struct key_entry *key;
1190 struct input_dev *input_dev;
1191 int error;
1192
1193 wistron_idev = input_allocate_polled_device();
1194 if (!wistron_idev)
1195 return -ENOMEM;
1196
1197 wistron_idev->flush = wistron_flush;
1198 wistron_idev->poll = wistron_poll;
1199 wistron_idev->poll_interval = POLL_INTERVAL_DEFAULT;
1200
1201 input_dev = wistron_idev->input;
1202 input_dev->name = "Wistron laptop buttons";
1203 input_dev->phys = "wistron/input0";
1204 input_dev->id.bustype = BUS_HOST;
d63219a1
DT		 1205 input_dev->dev.parent = &wistron_device->dev;
1206
1207 input_dev->getkeycode = wistron_getkeycode;
1208 input_dev->setkeycode = wistron_setkeycode;
c2554c91
DT		 1209
1210 for (key = keymap; key->type != KE_END; key++) {
1211 switch (key->type) {
1212 case KE_KEY:
1213 set_bit(EV_KEY, input_dev->evbit);
1214 set_bit(key->keycode, input_dev->keybit);
1215 break;
1216
1217 case KE_SW:
1218 set_bit(EV_SW, input_dev->evbit);
1219 set_bit(key->sw.code, input_dev->swbit);
1220 break;
1221
1222 default:
1223 break;
1224 }
1225 }
1226
1227 /* reads information flags on KE_END */
1228 if (key->code & FE_UNTESTED)
1229 printk(KERN_WARNING "Untested laptop multimedia keys, "
1230 "please report success or failure to eric.piel"
1231 "@tremplin-utc.net\n");
1232
1233 error = input_register_polled_device(wistron_idev);
1234 if (error) {
1235 input_free_polled_device(wistron_idev);
1236 return error;
1237 }
1238
1239 return 0;
1240}
1241
1242/* Driver core */
1243
e7c3aad5
DT		 1244static int __devinit wistron_probe(struct platform_device *dev)
1245{
c2554c91 1246 int err;
e7c3aad5
DT		 1247
1248 bios_attach();
1249 cmos_address = bios_get_cmos_address();
1250
1251 if (have_wifi) {
1252 u16 wifi = bios_get_default_setting(WIFI);
1253 if (wifi & 1)
1254 wifi_enabled = (wifi & 2) ? 1 : 0;
1255 else
1256 have_wifi = 0;
1257
1258 if (have_wifi)
1259 bios_set_state(WIFI, wifi_enabled);
1260 }
1261
1262 if (have_bluetooth) {
1263 u16 bt = bios_get_default_setting(BLUETOOTH);
1264 if (bt & 1)
1265 bluetooth_enabled = (bt & 2) ? 1 : 0;
1266 else
1267 have_bluetooth = 0;
1268
1269 if (have_bluetooth)
1270 bios_set_state(BLUETOOTH, bluetooth_enabled);
1271 }
1272
389679d8 1273 wistron_led_init(&dev->dev);
c2554c91
DT		 1274 err = setup_input_dev();
1275 if (err) {
1276 bios_detach();
1277 return err;
1278 }
e7c3aad5
DT		 1279
1280 return 0;
1281}
1282
1283static int __devexit wistron_remove(struct platform_device *dev)
1284{
389679d8 1285 wistron_led_remove();
c2554c91
DT		 1286 input_unregister_polled_device(wistron_idev);
1287 input_free_polled_device(wistron_idev);
e7c3aad5
DT		 1288 bios_detach();
1289
1290 return 0;
1291}
1292
1293#ifdef CONFIG_PM
a5b0cc80
DT		 1294static int wistron_suspend(struct platform_device *dev, pm_message_t state)
1295{
e753b650
MT		 1296 if (have_wifi)
1297 bios_set_state(WIFI, 0);
1298
1299 if (have_bluetooth)
1300 bios_set_state(BLUETOOTH, 0);
1301
389679d8 1302 wistron_led_suspend();
a5b0cc80
DT		 1303 return 0;
1304}
1305
1306static int wistron_resume(struct platform_device *dev)
1307{
1308 if (have_wifi)
1309 bios_set_state(WIFI, wifi_enabled);
1310
1311 if (have_bluetooth)
1312 bios_set_state(BLUETOOTH, bluetooth_enabled);
1313
389679d8 1314 wistron_led_resume();
c2554c91 1315 poll_bios(true);
a5b0cc80
DT		 1316
1317 return 0;
1318}
e7c3aad5
DT		 1319#else
1320#define wistron_suspend NULL
1321#define wistron_resume NULL
1322#endif
a5b0cc80
DT		 1323
1324static struct platform_driver wistron_driver = {
a5b0cc80
DT		 1325 .driver = {
1326 .name = "wistron-bios",
e7c3aad5 1327 .owner = THIS_MODULE,
a5b0cc80 1328 },
e7c3aad5
DT		 1329 .probe = wistron_probe,
1330 .remove = __devexit_p(wistron_remove),
1331 .suspend = wistron_suspend,
1332 .resume = wistron_resume,
a5b0cc80
DT		 1333};
1334
5fc14680
DT		 1335static int __init wb_module_init(void)
1336{
1337 int err;
1338
1339 err = select_keymap();
1340 if (err)
1341 return err;
22a397e2 1342
5fc14680
DT		 1343 err = map_bios();
1344 if (err)
1345 return err;
22a397e2 1346
a5b0cc80
DT		 1347 err = platform_driver_register(&wistron_driver);
1348 if (err)
e7c3aad5 1349 goto err_unmap_bios;
a5b0cc80 1350
e7c3aad5
DT		 1351 wistron_device = platform_device_alloc("wistron-bios", -1);
1352 if (!wistron_device) {
1353 err = -ENOMEM;
a5b0cc80
DT		 1354 goto err_unregister_driver;
1355 }
1356
e7c3aad5 1357 err = platform_device_add(wistron_device);
a5b0cc80 1358 if (err)
e7c3aad5 1359 goto err_free_device;
5fc14680
DT		 1360
1361 return 0;
a5b0cc80 1362
e7c3aad5
DT		 1363 err_free_device:
1364 platform_device_put(wistron_device);
a5b0cc80
DT		 1365 err_unregister_driver:
1366 platform_driver_unregister(&wistron_driver);
e7c3aad5 1367 err_unmap_bios:
a5b0cc80
DT		 1368 unmap_bios();
1369
1370 return err;
5fc14680
DT		 1371}
1372
1373static void __exit wb_module_exit(void)
1374{
a5b0cc80
DT		 1375 platform_device_unregister(wistron_device);
1376 platform_driver_unregister(&wistron_driver);
5fc14680 1377 unmap_bios();
55d29c98 1378 kfree(keymap);
5fc14680
DT		 1379}
1380
1381module_init(wb_module_init);
1382module_exit(wb_module_exit);
kernel source for telekom puls (alcatel/mediatek)