2 * Asus Notebooks WMI hotkey driver
4 * Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/init.h>
26 #include <linux/input.h>
27 #include <linux/input/sparse-keymap.h>
29 #include <linux/dmi.h>
30 #include <linux/i8042.h>
34 #define ASUS_NB_WMI_FILE "asus-nb-wmi"
36 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
37 MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
38 MODULE_LICENSE("GPL");
40 #define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
42 MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
45 * WAPF defines the behavior of the Fn+Fx wlan key
46 * The significance of values is yet to be found, but
48 * Bit | Bluetooth | WLAN
49 * 0 | Hardware | Hardware
50 * 1 | Hardware | Software
51 * 4 | Software | Software
54 module_param(wapf, uint, 0444);
55 MODULE_PARM_DESC(wapf, "WAPF value");
57 static struct quirk_entry *quirks;
59 static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
65 if (str & I8042_STR_AUXDATA)
68 if (unlikely(data == 0xe1)) {
71 } else if (unlikely(extended)) {
79 static struct quirk_entry quirk_asus_unknown = {
83 static struct quirk_entry quirk_asus_q500a = {
84 .i8042_filter = asus_q500a_i8042_filter,
88 * For those machines that need software to control bt/wifi status
89 * and can't adjust brightness through ACPI interface
90 * and have duplicate events(ACPI and WMI) for display toggle
92 static struct quirk_entry quirk_asus_x55u = {
94 .wmi_backlight_power = true,
95 .no_display_toggle = true,
98 static struct quirk_entry quirk_asus_wapf4 = {
102 static struct quirk_entry quirk_asus_x200ca = {
106 static struct quirk_entry quirk_no_rfkill = {
110 static struct quirk_entry quirk_no_rfkill_wapf4 = {
115 static struct quirk_entry quirk_asus_ux303ub = {
116 .wmi_backlight_native = true,
119 static struct quirk_entry quirk_asus_x550lb = {
123 static int dmi_matched(const struct dmi_system_id *dmi)
125 pr_info("Identified laptop model '%s'\n", dmi->ident);
126 quirks = dmi->driver_data;
130 static const struct dmi_system_id asus_quirks[] = {
132 .callback = dmi_matched,
133 .ident = "ASUSTeK COMPUTER INC. Q500A",
135 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
136 DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
138 .driver_data = &quirk_asus_q500a,
141 .callback = dmi_matched,
142 .ident = "ASUSTeK COMPUTER INC. U32U",
144 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
145 DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
148 * Note this machine has a Brazos APU, and most Brazos Asus
149 * machines need quirk_asus_x55u / wmi_backlight_power but
150 * here acpi-video seems to work fine for backlight control.
152 .driver_data = &quirk_asus_wapf4,
155 .callback = dmi_matched,
156 .ident = "ASUSTeK COMPUTER INC. X401U",
158 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
159 DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
161 .driver_data = &quirk_asus_x55u,
164 .callback = dmi_matched,
165 .ident = "ASUSTeK COMPUTER INC. X401A",
167 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
168 DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
170 .driver_data = &quirk_asus_wapf4,
173 .callback = dmi_matched,
174 .ident = "ASUSTeK COMPUTER INC. X401A1",
176 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
177 DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
179 .driver_data = &quirk_asus_wapf4,
182 .callback = dmi_matched,
183 .ident = "ASUSTeK COMPUTER INC. X45U",
185 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
186 DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
188 .driver_data = &quirk_asus_wapf4,
191 .callback = dmi_matched,
192 .ident = "ASUSTeK COMPUTER INC. X456UA",
194 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
195 DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
197 .driver_data = &quirk_no_rfkill_wapf4,
200 .callback = dmi_matched,
201 .ident = "ASUSTeK COMPUTER INC. X456UF",
203 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
204 DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
206 .driver_data = &quirk_no_rfkill_wapf4,
209 .callback = dmi_matched,
210 .ident = "ASUSTeK COMPUTER INC. X501U",
212 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
213 DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
215 .driver_data = &quirk_asus_x55u,
218 .callback = dmi_matched,
219 .ident = "ASUSTeK COMPUTER INC. X501A",
221 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
222 DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
224 .driver_data = &quirk_asus_wapf4,
227 .callback = dmi_matched,
228 .ident = "ASUSTeK COMPUTER INC. X501A1",
230 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
231 DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
233 .driver_data = &quirk_asus_wapf4,
236 .callback = dmi_matched,
237 .ident = "ASUSTeK COMPUTER INC. X550CA",
239 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
240 DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
242 .driver_data = &quirk_asus_wapf4,
245 .callback = dmi_matched,
246 .ident = "ASUSTeK COMPUTER INC. X550CC",
248 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
249 DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
251 .driver_data = &quirk_asus_wapf4,
254 .callback = dmi_matched,
255 .ident = "ASUSTeK COMPUTER INC. X550CL",
257 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
258 DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
260 .driver_data = &quirk_asus_wapf4,
263 .callback = dmi_matched,
264 .ident = "ASUSTeK COMPUTER INC. X550VB",
266 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
267 DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
269 .driver_data = &quirk_asus_wapf4,
272 .callback = dmi_matched,
273 .ident = "ASUSTeK COMPUTER INC. X551CA",
275 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
276 DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
278 .driver_data = &quirk_asus_wapf4,
281 .callback = dmi_matched,
282 .ident = "ASUSTeK COMPUTER INC. X55A",
284 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
285 DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
287 .driver_data = &quirk_asus_wapf4,
290 .callback = dmi_matched,
291 .ident = "ASUSTeK COMPUTER INC. X55C",
293 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
294 DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
296 .driver_data = &quirk_asus_wapf4,
299 .callback = dmi_matched,
300 .ident = "ASUSTeK COMPUTER INC. X55U",
302 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
303 DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
305 .driver_data = &quirk_asus_x55u,
308 .callback = dmi_matched,
309 .ident = "ASUSTeK COMPUTER INC. X55VD",
311 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
312 DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
314 .driver_data = &quirk_asus_wapf4,
317 .callback = dmi_matched,
318 .ident = "ASUSTeK COMPUTER INC. X75A",
320 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
321 DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
323 .driver_data = &quirk_asus_wapf4,
326 .callback = dmi_matched,
327 .ident = "ASUSTeK COMPUTER INC. X75VBP",
329 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
330 DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
332 .driver_data = &quirk_asus_wapf4,
335 .callback = dmi_matched,
336 .ident = "ASUSTeK COMPUTER INC. X75VD",
338 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
339 DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
341 .driver_data = &quirk_asus_wapf4,
344 .callback = dmi_matched,
345 .ident = "ASUSTeK COMPUTER INC. 1015E",
347 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
348 DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
350 .driver_data = &quirk_asus_wapf4,
353 .callback = dmi_matched,
354 .ident = "ASUSTeK COMPUTER INC. 1015U",
356 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
357 DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
359 .driver_data = &quirk_asus_wapf4,
362 .callback = dmi_matched,
363 .ident = "ASUSTeK COMPUTER INC. X200CA",
365 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
366 DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
368 .driver_data = &quirk_asus_x200ca,
371 .callback = dmi_matched,
372 .ident = "ASUSTeK COMPUTER INC. X555UB",
374 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
375 DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"),
377 .driver_data = &quirk_no_rfkill,
380 .callback = dmi_matched,
381 .ident = "ASUSTeK COMPUTER INC. N552VW",
383 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
384 DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"),
386 .driver_data = &quirk_no_rfkill,
389 .callback = dmi_matched,
390 .ident = "ASUSTeK COMPUTER INC. U303LB",
392 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
393 DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"),
395 .driver_data = &quirk_no_rfkill,
398 .callback = dmi_matched,
399 .ident = "ASUSTeK COMPUTER INC. Z550MA",
401 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
402 DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"),
404 .driver_data = &quirk_no_rfkill,
407 .callback = dmi_matched,
408 .ident = "ASUSTeK COMPUTER INC. UX303UB",
410 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
411 DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
413 .driver_data = &quirk_asus_ux303ub,
416 .callback = dmi_matched,
417 .ident = "ASUSTeK COMPUTER INC. X550LB",
419 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
420 DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
422 .driver_data = &quirk_asus_x550lb,
427 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
431 quirks = &quirk_asus_unknown;
432 dmi_check_system(asus_quirks);
434 driver->quirks = quirks;
435 driver->panel_power = FB_BLANK_UNBLANK;
437 /* overwrite the wapf setting if the wapf paramater is specified */
443 if (quirks->i8042_filter) {
444 ret = i8042_install_filter(quirks->i8042_filter);
446 pr_warn("Unable to install key filter\n");
449 pr_info("Using i8042 filter function for receiving events\n");
453 static const struct key_entry asus_nb_wmi_keymap[] = {
454 { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
455 { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
456 { KE_KEY, 0x30, { KEY_VOLUMEUP } },
457 { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
458 { KE_KEY, 0x32, { KEY_MUTE } },
459 { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
460 { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
461 { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
462 { KE_KEY, 0x41, { KEY_NEXTSONG } },
463 { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
464 { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
465 { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
466 { KE_KEY, 0x50, { KEY_EMAIL } },
467 { KE_KEY, 0x51, { KEY_WWW } },
468 { KE_KEY, 0x55, { KEY_CALC } },
469 { KE_IGNORE, 0x57, }, /* Battery mode */
470 { KE_IGNORE, 0x58, }, /* AC mode */
471 { KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
472 { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
473 { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
474 { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
475 { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
476 { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
477 { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
478 { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
479 { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
480 { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
481 { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
482 { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
483 { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
484 { KE_IGNORE, 0x6E, }, /* Low Battery notification */
485 { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
486 { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
487 { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
488 { KE_KEY, 0x82, { KEY_CAMERA } },
489 { KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
490 { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
491 { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
492 { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
493 { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
494 { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
495 { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
496 { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
497 { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
498 { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
499 { KE_KEY, 0x95, { KEY_MEDIA } },
500 { KE_KEY, 0x99, { KEY_PHONE } },
501 { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
502 { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
503 { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
504 { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
505 { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
506 { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
507 { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
508 { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
509 { KE_KEY, 0xB5, { KEY_CALC } },
510 { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
511 { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
512 { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
516 static struct asus_wmi_driver asus_nb_wmi_driver = {
517 .name = ASUS_NB_WMI_FILE,
518 .owner = THIS_MODULE,
519 .event_guid = ASUS_NB_WMI_EVENT_GUID,
520 .keymap = asus_nb_wmi_keymap,
521 .input_name = "Asus WMI hotkeys",
522 .input_phys = ASUS_NB_WMI_FILE "/input0",
523 .detect_quirks = asus_nb_wmi_quirks,
527 static int __init asus_nb_wmi_init(void)
529 return asus_wmi_register_driver(&asus_nb_wmi_driver);
532 static void __exit asus_nb_wmi_exit(void)
534 asus_wmi_unregister_driver(&asus_nb_wmi_driver);
537 module_init(asus_nb_wmi_init);
538 module_exit(asus_nb_wmi_exit);