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 = {
81 .wmi_backlight_set_devstate = true,
84 static struct quirk_entry quirk_asus_q500a = {
85 .i8042_filter = asus_q500a_i8042_filter,
86 .wmi_backlight_set_devstate = true,
90 * For those machines that need software to control bt/wifi status
91 * and can't adjust brightness through ACPI interface
92 * and have duplicate events(ACPI and WMI) for display toggle
94 static struct quirk_entry quirk_asus_x55u = {
96 .wmi_backlight_power = true,
97 .wmi_backlight_set_devstate = true,
98 .no_display_toggle = true,
101 static struct quirk_entry quirk_asus_wapf4 = {
103 .wmi_backlight_set_devstate = true,
106 static struct quirk_entry quirk_asus_x200ca = {
108 .wmi_backlight_set_devstate = true,
111 static struct quirk_entry quirk_no_rfkill = {
115 static struct quirk_entry quirk_no_rfkill_wapf4 = {
120 static struct quirk_entry quirk_asus_ux303ub = {
121 .wmi_backlight_native = true,
122 .wmi_backlight_set_devstate = true,
125 static struct quirk_entry quirk_asus_x550lb = {
126 .wmi_backlight_set_devstate = true,
130 static struct quirk_entry quirk_asus_forceals = {
131 .wmi_backlight_set_devstate = true,
132 .wmi_force_als_set = true,
135 static int dmi_matched(const struct dmi_system_id *dmi)
137 quirks = dmi->driver_data;
141 static const struct dmi_system_id asus_quirks[] = {
143 .callback = dmi_matched,
144 .ident = "ASUSTeK COMPUTER INC. Q500A",
146 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
147 DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
149 .driver_data = &quirk_asus_q500a,
152 .callback = dmi_matched,
153 .ident = "ASUSTeK COMPUTER INC. U32U",
155 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
156 DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
159 * Note this machine has a Brazos APU, and most Brazos Asus
160 * machines need quirk_asus_x55u / wmi_backlight_power but
161 * here acpi-video seems to work fine for backlight control.
163 .driver_data = &quirk_asus_wapf4,
166 .callback = dmi_matched,
167 .ident = "ASUSTeK COMPUTER INC. X302UA",
169 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
170 DMI_MATCH(DMI_PRODUCT_NAME, "X302UA"),
172 .driver_data = &quirk_asus_wapf4,
175 .callback = dmi_matched,
176 .ident = "ASUSTeK COMPUTER INC. X401U",
178 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
179 DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
181 .driver_data = &quirk_asus_x55u,
184 .callback = dmi_matched,
185 .ident = "ASUSTeK COMPUTER INC. X401A",
187 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
188 DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
190 .driver_data = &quirk_asus_wapf4,
193 .callback = dmi_matched,
194 .ident = "ASUSTeK COMPUTER INC. X401A1",
196 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
197 DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
199 .driver_data = &quirk_asus_wapf4,
202 .callback = dmi_matched,
203 .ident = "ASUSTeK COMPUTER INC. X45U",
205 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
206 DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
208 .driver_data = &quirk_asus_wapf4,
211 .callback = dmi_matched,
212 .ident = "ASUSTeK COMPUTER INC. X456UA",
214 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
215 DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
217 .driver_data = &quirk_no_rfkill_wapf4,
220 .callback = dmi_matched,
221 .ident = "ASUSTeK COMPUTER INC. X456UF",
223 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
224 DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
226 .driver_data = &quirk_no_rfkill_wapf4,
229 .callback = dmi_matched,
230 .ident = "ASUSTeK COMPUTER INC. X501U",
232 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
233 DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
235 .driver_data = &quirk_asus_x55u,
238 .callback = dmi_matched,
239 .ident = "ASUSTeK COMPUTER INC. X501A",
241 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
242 DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
244 .driver_data = &quirk_asus_wapf4,
247 .callback = dmi_matched,
248 .ident = "ASUSTeK COMPUTER INC. X501A1",
250 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
251 DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
253 .driver_data = &quirk_asus_wapf4,
256 .callback = dmi_matched,
257 .ident = "ASUSTeK COMPUTER INC. X550CA",
259 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
260 DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
262 .driver_data = &quirk_asus_wapf4,
265 .callback = dmi_matched,
266 .ident = "ASUSTeK COMPUTER INC. X550CC",
268 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
269 DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
271 .driver_data = &quirk_asus_wapf4,
274 .callback = dmi_matched,
275 .ident = "ASUSTeK COMPUTER INC. X550CL",
277 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
278 DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
280 .driver_data = &quirk_asus_wapf4,
283 .callback = dmi_matched,
284 .ident = "ASUSTeK COMPUTER INC. X550VB",
286 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
287 DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
289 .driver_data = &quirk_asus_wapf4,
292 .callback = dmi_matched,
293 .ident = "ASUSTeK COMPUTER INC. X551CA",
295 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
296 DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
298 .driver_data = &quirk_asus_wapf4,
301 .callback = dmi_matched,
302 .ident = "ASUSTeK COMPUTER INC. X55A",
304 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
305 DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
307 .driver_data = &quirk_asus_wapf4,
310 .callback = dmi_matched,
311 .ident = "ASUSTeK COMPUTER INC. X55C",
313 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
314 DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
316 .driver_data = &quirk_asus_wapf4,
319 .callback = dmi_matched,
320 .ident = "ASUSTeK COMPUTER INC. X55U",
322 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
323 DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
325 .driver_data = &quirk_asus_x55u,
328 .callback = dmi_matched,
329 .ident = "ASUSTeK COMPUTER INC. X55VD",
331 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
332 DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
334 .driver_data = &quirk_asus_wapf4,
337 .callback = dmi_matched,
338 .ident = "ASUSTeK COMPUTER INC. X75A",
340 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
341 DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
343 .driver_data = &quirk_asus_wapf4,
346 .callback = dmi_matched,
347 .ident = "ASUSTeK COMPUTER INC. X75VBP",
349 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
350 DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
352 .driver_data = &quirk_asus_wapf4,
355 .callback = dmi_matched,
356 .ident = "ASUSTeK COMPUTER INC. X75VD",
358 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
359 DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
361 .driver_data = &quirk_asus_wapf4,
364 .callback = dmi_matched,
365 .ident = "ASUSTeK COMPUTER INC. 1015E",
367 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
368 DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
370 .driver_data = &quirk_asus_wapf4,
373 .callback = dmi_matched,
374 .ident = "ASUSTeK COMPUTER INC. 1015U",
376 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
377 DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
379 .driver_data = &quirk_asus_wapf4,
382 .callback = dmi_matched,
383 .ident = "ASUSTeK COMPUTER INC. X200CA",
385 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
386 DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
388 .driver_data = &quirk_asus_x200ca,
391 .callback = dmi_matched,
392 .ident = "ASUSTeK COMPUTER INC. X555UB",
394 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
395 DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"),
397 .driver_data = &quirk_no_rfkill,
400 .callback = dmi_matched,
401 .ident = "ASUSTeK COMPUTER INC. N552VW",
403 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
404 DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"),
406 .driver_data = &quirk_no_rfkill,
409 .callback = dmi_matched,
410 .ident = "ASUSTeK COMPUTER INC. U303LB",
412 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
413 DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"),
415 .driver_data = &quirk_no_rfkill,
418 .callback = dmi_matched,
419 .ident = "ASUSTeK COMPUTER INC. Z550MA",
421 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
422 DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"),
424 .driver_data = &quirk_no_rfkill,
427 .callback = dmi_matched,
428 .ident = "ASUSTeK COMPUTER INC. UX303UB",
430 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
431 DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
433 .driver_data = &quirk_asus_ux303ub,
436 .callback = dmi_matched,
437 .ident = "ASUSTeK COMPUTER INC. UX330UAK",
439 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
440 DMI_MATCH(DMI_PRODUCT_NAME, "UX330UAK"),
442 .driver_data = &quirk_asus_forceals,
445 .callback = dmi_matched,
446 .ident = "ASUSTeK COMPUTER INC. X550LB",
448 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
449 DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
451 .driver_data = &quirk_asus_x550lb,
454 .callback = dmi_matched,
455 .ident = "ASUSTeK COMPUTER INC. UX430UQ",
457 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
458 DMI_MATCH(DMI_PRODUCT_NAME, "UX430UQ"),
460 .driver_data = &quirk_asus_forceals,
465 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
469 quirks = &quirk_asus_unknown;
470 dmi_check_system(asus_quirks);
472 driver->quirks = quirks;
473 driver->panel_power = FB_BLANK_UNBLANK;
475 /* overwrite the wapf setting if the wapf paramater is specified */
481 if (quirks->i8042_filter) {
482 ret = i8042_install_filter(quirks->i8042_filter);
484 pr_warn("Unable to install key filter\n");
487 pr_info("Using i8042 filter function for receiving events\n");
491 static const struct key_entry asus_nb_wmi_keymap[] = {
492 { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
493 { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
494 { KE_KEY, 0x30, { KEY_VOLUMEUP } },
495 { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
496 { KE_KEY, 0x32, { KEY_MUTE } },
497 { KE_KEY, 0x35, { KEY_SCREENLOCK } },
498 { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
499 { KE_KEY, 0x41, { KEY_NEXTSONG } },
500 { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
501 { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
502 { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
503 { KE_KEY, 0x50, { KEY_EMAIL } },
504 { KE_KEY, 0x51, { KEY_WWW } },
505 { KE_KEY, 0x55, { KEY_CALC } },
506 { KE_IGNORE, 0x57, }, /* Battery mode */
507 { KE_IGNORE, 0x58, }, /* AC mode */
508 { KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
509 { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
510 { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
511 { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
512 { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
513 { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
514 { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
515 { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
516 { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
517 { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
518 { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
519 { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
520 { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
521 { KE_IGNORE, 0x6E, }, /* Low Battery notification */
522 { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
523 { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
524 { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
525 { KE_KEY, 0x82, { KEY_CAMERA } },
526 { KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
527 { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
528 { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
529 { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
530 { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
531 { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
532 { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
533 { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
534 { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
535 { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
536 { KE_KEY, 0x95, { KEY_MEDIA } },
537 { KE_KEY, 0x99, { KEY_PHONE } },
538 { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
539 { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
540 { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
541 { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
542 { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
543 { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
544 { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
545 { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
546 { KE_KEY, 0xB5, { KEY_CALC } },
547 { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
548 { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
549 { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
550 { KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */
554 static struct asus_wmi_driver asus_nb_wmi_driver = {
555 .name = ASUS_NB_WMI_FILE,
556 .owner = THIS_MODULE,
557 .event_guid = ASUS_NB_WMI_EVENT_GUID,
558 .keymap = asus_nb_wmi_keymap,
559 .input_name = "Asus WMI hotkeys",
560 .input_phys = ASUS_NB_WMI_FILE "/input0",
561 .detect_quirks = asus_nb_wmi_quirks,
564 static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = {
567 * asus-nb-wm adds no functionality. The T100TA has a detachable
568 * USB kbd, so no hotkeys and it has no WMI rfkill; and loading
569 * asus-nb-wm causes the camera LED to turn and _stay_ on.
572 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
573 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
577 /* The Asus T200TA has the same issue as the T100TA */
579 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
580 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"),
583 {} /* Terminating entry */
586 static int __init asus_nb_wmi_init(void)
588 if (dmi_check_system(asus_nb_wmi_blacklist))
591 return asus_wmi_register_driver(&asus_nb_wmi_driver);
594 static void __exit asus_nb_wmi_exit(void)
596 asus_wmi_unregister_driver(&asus_nb_wmi_driver);
599 module_init(asus_nb_wmi_init);
600 module_exit(asus_nb_wmi_exit);