1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Asus Notebooks WMI hotkey driver
5 * Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/init.h>
13 #include <linux/input.h>
14 #include <linux/input/sparse-keymap.h>
16 #include <linux/dmi.h>
17 #include <linux/i8042.h>
21 #define ASUS_NB_WMI_FILE "asus-nb-wmi"
23 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
24 MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
25 MODULE_LICENSE("GPL");
27 #define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
29 MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
32 * WAPF defines the behavior of the Fn+Fx wlan key
33 * The significance of values is yet to be found, but
35 * Bit | Bluetooth | WLAN
36 * 0 | Hardware | Hardware
37 * 1 | Hardware | Software
38 * 4 | Software | Software
41 module_param(wapf, uint, 0444);
42 MODULE_PARM_DESC(wapf, "WAPF value");
44 static struct quirk_entry *quirks;
46 static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
52 if (str & I8042_STR_AUXDATA)
55 if (unlikely(data == 0xe1)) {
58 } else if (unlikely(extended)) {
66 static struct quirk_entry quirk_asus_unknown = {
68 .wmi_backlight_set_devstate = true,
71 static struct quirk_entry quirk_asus_q500a = {
72 .i8042_filter = asus_q500a_i8042_filter,
73 .wmi_backlight_set_devstate = true,
77 * For those machines that need software to control bt/wifi status
78 * and can't adjust brightness through ACPI interface
79 * and have duplicate events(ACPI and WMI) for display toggle
81 static struct quirk_entry quirk_asus_x55u = {
83 .wmi_backlight_power = true,
84 .wmi_backlight_set_devstate = true,
85 .no_display_toggle = true,
88 static struct quirk_entry quirk_asus_wapf4 = {
90 .wmi_backlight_set_devstate = true,
93 static struct quirk_entry quirk_asus_x200ca = {
95 .wmi_backlight_set_devstate = true,
98 static struct quirk_entry quirk_asus_ux303ub = {
99 .wmi_backlight_native = true,
100 .wmi_backlight_set_devstate = true,
103 static struct quirk_entry quirk_asus_x550lb = {
104 .wmi_backlight_set_devstate = true,
108 static struct quirk_entry quirk_asus_forceals = {
109 .wmi_backlight_set_devstate = true,
110 .wmi_force_als_set = true,
113 static struct quirk_entry quirk_asus_use_kbd_dock_devid = {
114 .use_kbd_dock_devid = true,
117 static int dmi_matched(const struct dmi_system_id *dmi)
119 pr_info("Identified laptop model '%s'\n", dmi->ident);
120 quirks = dmi->driver_data;
124 static const struct dmi_system_id asus_quirks[] = {
126 .callback = dmi_matched,
127 .ident = "ASUSTeK COMPUTER INC. Q500A",
129 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
130 DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
132 .driver_data = &quirk_asus_q500a,
135 .callback = dmi_matched,
136 .ident = "ASUSTeK COMPUTER INC. U32U",
138 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
139 DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
142 * Note this machine has a Brazos APU, and most Brazos Asus
143 * machines need quirk_asus_x55u / wmi_backlight_power but
144 * here acpi-video seems to work fine for backlight control.
146 .driver_data = &quirk_asus_wapf4,
149 .callback = dmi_matched,
150 .ident = "ASUSTeK COMPUTER INC. X302UA",
152 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
153 DMI_MATCH(DMI_PRODUCT_NAME, "X302UA"),
155 .driver_data = &quirk_asus_wapf4,
158 .callback = dmi_matched,
159 .ident = "ASUSTeK COMPUTER INC. X401U",
161 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
162 DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
164 .driver_data = &quirk_asus_x55u,
167 .callback = dmi_matched,
168 .ident = "ASUSTeK COMPUTER INC. X401A",
170 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
171 DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
173 .driver_data = &quirk_asus_wapf4,
176 .callback = dmi_matched,
177 .ident = "ASUSTeK COMPUTER INC. X401A1",
179 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
180 DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
182 .driver_data = &quirk_asus_wapf4,
185 .callback = dmi_matched,
186 .ident = "ASUSTeK COMPUTER INC. X45U",
188 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
189 DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
191 .driver_data = &quirk_asus_wapf4,
194 .callback = dmi_matched,
195 .ident = "ASUSTeK COMPUTER INC. X456UA",
197 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
198 DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
200 .driver_data = &quirk_asus_wapf4,
203 .callback = dmi_matched,
204 .ident = "ASUSTeK COMPUTER INC. X456UF",
206 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
207 DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
209 .driver_data = &quirk_asus_wapf4,
212 .callback = dmi_matched,
213 .ident = "ASUSTeK COMPUTER INC. X501U",
215 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
216 DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
218 .driver_data = &quirk_asus_x55u,
221 .callback = dmi_matched,
222 .ident = "ASUSTeK COMPUTER INC. X501A",
224 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
225 DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
227 .driver_data = &quirk_asus_wapf4,
230 .callback = dmi_matched,
231 .ident = "ASUSTeK COMPUTER INC. X501A1",
233 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
234 DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
236 .driver_data = &quirk_asus_wapf4,
239 .callback = dmi_matched,
240 .ident = "ASUSTeK COMPUTER INC. X550CA",
242 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
243 DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
245 .driver_data = &quirk_asus_wapf4,
248 .callback = dmi_matched,
249 .ident = "ASUSTeK COMPUTER INC. X550CC",
251 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
252 DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
254 .driver_data = &quirk_asus_wapf4,
257 .callback = dmi_matched,
258 .ident = "ASUSTeK COMPUTER INC. X550CL",
260 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
261 DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
263 .driver_data = &quirk_asus_wapf4,
266 .callback = dmi_matched,
267 .ident = "ASUSTeK COMPUTER INC. X550VB",
269 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
270 DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
272 .driver_data = &quirk_asus_wapf4,
275 .callback = dmi_matched,
276 .ident = "ASUSTeK COMPUTER INC. X551CA",
278 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
279 DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
281 .driver_data = &quirk_asus_wapf4,
284 .callback = dmi_matched,
285 .ident = "ASUSTeK COMPUTER INC. X55A",
287 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
288 DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
290 .driver_data = &quirk_asus_wapf4,
293 .callback = dmi_matched,
294 .ident = "ASUSTeK COMPUTER INC. X55C",
296 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
297 DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
299 .driver_data = &quirk_asus_wapf4,
302 .callback = dmi_matched,
303 .ident = "ASUSTeK COMPUTER INC. X55U",
305 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
306 DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
308 .driver_data = &quirk_asus_x55u,
311 .callback = dmi_matched,
312 .ident = "ASUSTeK COMPUTER INC. X55VD",
314 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
315 DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
317 .driver_data = &quirk_asus_wapf4,
320 .callback = dmi_matched,
321 .ident = "ASUSTeK COMPUTER INC. X75A",
323 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
324 DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
326 .driver_data = &quirk_asus_wapf4,
329 .callback = dmi_matched,
330 .ident = "ASUSTeK COMPUTER INC. X75VBP",
332 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
333 DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
335 .driver_data = &quirk_asus_wapf4,
338 .callback = dmi_matched,
339 .ident = "ASUSTeK COMPUTER INC. X75VD",
341 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
342 DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
344 .driver_data = &quirk_asus_wapf4,
347 .callback = dmi_matched,
348 .ident = "ASUSTeK COMPUTER INC. 1015E",
350 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
351 DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
353 .driver_data = &quirk_asus_wapf4,
356 .callback = dmi_matched,
357 .ident = "ASUSTeK COMPUTER INC. 1015U",
359 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
360 DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
362 .driver_data = &quirk_asus_wapf4,
365 .callback = dmi_matched,
366 .ident = "ASUSTeK COMPUTER INC. X200CA",
368 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
369 DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
371 .driver_data = &quirk_asus_x200ca,
374 .callback = dmi_matched,
375 .ident = "ASUSTeK COMPUTER INC. UX303UB",
377 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
378 DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
380 .driver_data = &quirk_asus_ux303ub,
383 .callback = dmi_matched,
384 .ident = "ASUSTeK COMPUTER INC. UX330UAK",
386 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
387 DMI_MATCH(DMI_PRODUCT_NAME, "UX330UAK"),
389 .driver_data = &quirk_asus_forceals,
392 .callback = dmi_matched,
393 .ident = "ASUSTeK COMPUTER INC. X550LB",
395 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
396 DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
398 .driver_data = &quirk_asus_x550lb,
401 .callback = dmi_matched,
402 .ident = "ASUSTeK COMPUTER INC. UX430UQ",
404 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
405 DMI_MATCH(DMI_PRODUCT_NAME, "UX430UQ"),
407 .driver_data = &quirk_asus_forceals,
410 .callback = dmi_matched,
411 .ident = "ASUSTeK COMPUTER INC. UX430UNR",
413 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
414 DMI_MATCH(DMI_PRODUCT_NAME, "UX430UNR"),
416 .driver_data = &quirk_asus_forceals,
419 .callback = dmi_matched,
420 .ident = "Asus Transformer T100TA / T100HA / T100CHI",
422 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
424 DMI_MATCH(DMI_PRODUCT_NAME, "T100"),
426 .driver_data = &quirk_asus_use_kbd_dock_devid,
429 .callback = dmi_matched,
430 .ident = "Asus Transformer T101HA",
432 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
433 DMI_MATCH(DMI_PRODUCT_NAME, "T101HA"),
435 .driver_data = &quirk_asus_use_kbd_dock_devid,
438 .callback = dmi_matched,
439 .ident = "Asus Transformer T200TA",
441 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
442 DMI_MATCH(DMI_PRODUCT_NAME, "T200TA"),
444 .driver_data = &quirk_asus_use_kbd_dock_devid,
449 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
453 quirks = &quirk_asus_unknown;
454 dmi_check_system(asus_quirks);
456 driver->quirks = quirks;
457 driver->panel_power = FB_BLANK_UNBLANK;
459 /* overwrite the wapf setting if the wapf paramater is specified */
465 if (quirks->i8042_filter) {
466 ret = i8042_install_filter(quirks->i8042_filter);
468 pr_warn("Unable to install key filter\n");
471 pr_info("Using i8042 filter function for receiving events\n");
475 static const struct key_entry asus_nb_wmi_keymap[] = {
476 { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
477 { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
478 { KE_KEY, 0x30, { KEY_VOLUMEUP } },
479 { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
480 { KE_KEY, 0x32, { KEY_MUTE } },
481 { KE_KEY, 0x35, { KEY_SCREENLOCK } },
482 { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
483 { KE_KEY, 0x41, { KEY_NEXTSONG } },
484 { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
485 { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
486 { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
487 { KE_KEY, 0x50, { KEY_EMAIL } },
488 { KE_KEY, 0x51, { KEY_WWW } },
489 { KE_KEY, 0x55, { KEY_CALC } },
490 { KE_IGNORE, 0x57, }, /* Battery mode */
491 { KE_IGNORE, 0x58, }, /* AC mode */
492 { KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
493 { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
494 { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
495 { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
496 { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
497 { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
498 { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
499 { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
500 { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
501 { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
502 { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
503 { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
504 { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
505 { KE_IGNORE, 0x6E, }, /* Low Battery notification */
506 { KE_KEY, 0x71, { KEY_F13 } }, /* General-purpose button */
507 { KE_IGNORE, 0x79, }, /* Charger type dectection notification */
508 { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
509 { KE_KEY, 0x7c, { KEY_MICMUTE } },
510 { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
511 { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
512 { KE_KEY, 0x82, { KEY_CAMERA } },
513 { KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
514 { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
515 { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
516 { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
517 { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
518 { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
519 { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
520 { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
521 { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
522 { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
523 { KE_KEY, 0x95, { KEY_MEDIA } },
524 { KE_KEY, 0x99, { KEY_PHONE } }, /* Conflicts with fan mode switch */
525 { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
526 { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
527 { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
528 { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
529 { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
530 { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
531 { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
532 { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
533 { KE_KEY, 0xB5, { KEY_CALC } },
534 { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
535 { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
536 { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
537 { KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */
541 static struct asus_wmi_driver asus_nb_wmi_driver = {
542 .name = ASUS_NB_WMI_FILE,
543 .owner = THIS_MODULE,
544 .event_guid = ASUS_NB_WMI_EVENT_GUID,
545 .keymap = asus_nb_wmi_keymap,
546 .input_name = "Asus WMI hotkeys",
547 .input_phys = ASUS_NB_WMI_FILE "/input0",
548 .detect_quirks = asus_nb_wmi_quirks,
552 static int __init asus_nb_wmi_init(void)
554 return asus_wmi_register_driver(&asus_nb_wmi_driver);
557 static void __exit asus_nb_wmi_exit(void)
559 asus_wmi_unregister_driver(&asus_nb_wmi_driver);
562 module_init(asus_nb_wmi_init);
563 module_exit(asus_nb_wmi_exit);