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 = {
70 static struct quirk_entry quirk_asus_q500a = {
71 .i8042_filter = asus_q500a_i8042_filter,
75 * For those machines that need software to control bt/wifi status
76 * and can't adjust brightness through ACPI interface
77 * and have duplicate events(ACPI and WMI) for display toggle
79 static struct quirk_entry quirk_asus_x55u = {
81 .wmi_backlight_power = true,
82 .no_display_toggle = true,
85 static struct quirk_entry quirk_asus_wapf4 = {
89 static struct quirk_entry quirk_asus_x200ca = {
93 static struct quirk_entry quirk_asus_ux303ub = {
94 .wmi_backlight_native = true,
97 static struct quirk_entry quirk_asus_x550lb = {
101 static struct quirk_entry quirk_asus_forceals = {
102 .wmi_force_als_set = true,
105 static int dmi_matched(const struct dmi_system_id *dmi)
107 pr_info("Identified laptop model '%s'\n", dmi->ident);
108 quirks = dmi->driver_data;
112 static const struct dmi_system_id asus_quirks[] = {
114 .callback = dmi_matched,
115 .ident = "ASUSTeK COMPUTER INC. Q500A",
117 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
118 DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
120 .driver_data = &quirk_asus_q500a,
123 .callback = dmi_matched,
124 .ident = "ASUSTeK COMPUTER INC. U32U",
126 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
127 DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
130 * Note this machine has a Brazos APU, and most Brazos Asus
131 * machines need quirk_asus_x55u / wmi_backlight_power but
132 * here acpi-video seems to work fine for backlight control.
134 .driver_data = &quirk_asus_wapf4,
137 .callback = dmi_matched,
138 .ident = "ASUSTeK COMPUTER INC. X302UA",
140 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
141 DMI_MATCH(DMI_PRODUCT_NAME, "X302UA"),
143 .driver_data = &quirk_asus_wapf4,
146 .callback = dmi_matched,
147 .ident = "ASUSTeK COMPUTER INC. X401U",
149 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
150 DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
152 .driver_data = &quirk_asus_x55u,
155 .callback = dmi_matched,
156 .ident = "ASUSTeK COMPUTER INC. X401A",
158 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
159 DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
161 .driver_data = &quirk_asus_wapf4,
164 .callback = dmi_matched,
165 .ident = "ASUSTeK COMPUTER INC. X401A1",
167 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
168 DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
170 .driver_data = &quirk_asus_wapf4,
173 .callback = dmi_matched,
174 .ident = "ASUSTeK COMPUTER INC. X45U",
176 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
177 DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
179 .driver_data = &quirk_asus_wapf4,
182 .callback = dmi_matched,
183 .ident = "ASUSTeK COMPUTER INC. X456UA",
185 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
186 DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
188 .driver_data = &quirk_asus_wapf4,
191 .callback = dmi_matched,
192 .ident = "ASUSTeK COMPUTER INC. X456UF",
194 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
195 DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
197 .driver_data = &quirk_asus_wapf4,
200 .callback = dmi_matched,
201 .ident = "ASUSTeK COMPUTER INC. X501U",
203 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
204 DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
206 .driver_data = &quirk_asus_x55u,
209 .callback = dmi_matched,
210 .ident = "ASUSTeK COMPUTER INC. X501A",
212 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
213 DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
215 .driver_data = &quirk_asus_wapf4,
218 .callback = dmi_matched,
219 .ident = "ASUSTeK COMPUTER INC. X501A1",
221 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
222 DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
224 .driver_data = &quirk_asus_wapf4,
227 .callback = dmi_matched,
228 .ident = "ASUSTeK COMPUTER INC. X550CA",
230 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
231 DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
233 .driver_data = &quirk_asus_wapf4,
236 .callback = dmi_matched,
237 .ident = "ASUSTeK COMPUTER INC. X550CC",
239 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
240 DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
242 .driver_data = &quirk_asus_wapf4,
245 .callback = dmi_matched,
246 .ident = "ASUSTeK COMPUTER INC. X550CL",
248 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
249 DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
251 .driver_data = &quirk_asus_wapf4,
254 .callback = dmi_matched,
255 .ident = "ASUSTeK COMPUTER INC. X550VB",
257 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
258 DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
260 .driver_data = &quirk_asus_wapf4,
263 .callback = dmi_matched,
264 .ident = "ASUSTeK COMPUTER INC. X551CA",
266 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
267 DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
269 .driver_data = &quirk_asus_wapf4,
272 .callback = dmi_matched,
273 .ident = "ASUSTeK COMPUTER INC. X55A",
275 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
276 DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
278 .driver_data = &quirk_asus_wapf4,
281 .callback = dmi_matched,
282 .ident = "ASUSTeK COMPUTER INC. X55C",
284 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
285 DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
287 .driver_data = &quirk_asus_wapf4,
290 .callback = dmi_matched,
291 .ident = "ASUSTeK COMPUTER INC. X55U",
293 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
294 DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
296 .driver_data = &quirk_asus_x55u,
299 .callback = dmi_matched,
300 .ident = "ASUSTeK COMPUTER INC. X55VD",
302 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
303 DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
305 .driver_data = &quirk_asus_wapf4,
308 .callback = dmi_matched,
309 .ident = "ASUSTeK COMPUTER INC. X75A",
311 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
312 DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
314 .driver_data = &quirk_asus_wapf4,
317 .callback = dmi_matched,
318 .ident = "ASUSTeK COMPUTER INC. X75VBP",
320 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
321 DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
323 .driver_data = &quirk_asus_wapf4,
326 .callback = dmi_matched,
327 .ident = "ASUSTeK COMPUTER INC. X75VD",
329 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
330 DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
332 .driver_data = &quirk_asus_wapf4,
335 .callback = dmi_matched,
336 .ident = "ASUSTeK COMPUTER INC. 1015E",
338 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
339 DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
341 .driver_data = &quirk_asus_wapf4,
344 .callback = dmi_matched,
345 .ident = "ASUSTeK COMPUTER INC. 1015U",
347 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
348 DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
350 .driver_data = &quirk_asus_wapf4,
353 .callback = dmi_matched,
354 .ident = "ASUSTeK COMPUTER INC. X200CA",
356 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
357 DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
359 .driver_data = &quirk_asus_x200ca,
362 .callback = dmi_matched,
363 .ident = "ASUSTeK COMPUTER INC. UX303UB",
365 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
366 DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
368 .driver_data = &quirk_asus_ux303ub,
371 .callback = dmi_matched,
372 .ident = "ASUSTeK COMPUTER INC. UX330UAK",
374 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
375 DMI_MATCH(DMI_PRODUCT_NAME, "UX330UAK"),
377 .driver_data = &quirk_asus_forceals,
380 .callback = dmi_matched,
381 .ident = "ASUSTeK COMPUTER INC. X550LB",
383 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
384 DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
386 .driver_data = &quirk_asus_x550lb,
389 .callback = dmi_matched,
390 .ident = "ASUSTeK COMPUTER INC. UX430UQ",
392 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
393 DMI_MATCH(DMI_PRODUCT_NAME, "UX430UQ"),
395 .driver_data = &quirk_asus_forceals,
400 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
404 quirks = &quirk_asus_unknown;
405 dmi_check_system(asus_quirks);
407 driver->quirks = quirks;
408 driver->panel_power = FB_BLANK_UNBLANK;
410 /* overwrite the wapf setting if the wapf paramater is specified */
416 if (quirks->i8042_filter) {
417 ret = i8042_install_filter(quirks->i8042_filter);
419 pr_warn("Unable to install key filter\n");
422 pr_info("Using i8042 filter function for receiving events\n");
426 static const struct key_entry asus_nb_wmi_keymap[] = {
427 { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
428 { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
429 { KE_KEY, 0x30, { KEY_VOLUMEUP } },
430 { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
431 { KE_KEY, 0x32, { KEY_MUTE } },
432 { KE_KEY, 0x35, { KEY_SCREENLOCK } },
433 { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
434 { KE_KEY, 0x41, { KEY_NEXTSONG } },
435 { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
436 { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
437 { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
438 { KE_KEY, 0x50, { KEY_EMAIL } },
439 { KE_KEY, 0x51, { KEY_WWW } },
440 { KE_KEY, 0x55, { KEY_CALC } },
441 { KE_IGNORE, 0x57, }, /* Battery mode */
442 { KE_IGNORE, 0x58, }, /* AC mode */
443 { KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
444 { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
445 { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
446 { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
447 { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
448 { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
449 { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
450 { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
451 { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
452 { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
453 { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
454 { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
455 { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
456 { KE_IGNORE, 0x6E, }, /* Low Battery notification */
457 { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
458 { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
459 { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
460 { KE_KEY, 0x82, { KEY_CAMERA } },
461 { KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
462 { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
463 { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
464 { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
465 { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
466 { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
467 { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
468 { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
469 { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
470 { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
471 { KE_KEY, 0x95, { KEY_MEDIA } },
472 { KE_KEY, 0x99, { KEY_PHONE } },
473 { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
474 { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
475 { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
476 { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
477 { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
478 { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
479 { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
480 { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
481 { KE_KEY, 0xB5, { KEY_CALC } },
482 { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
483 { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
484 { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
485 { KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */
489 static struct asus_wmi_driver asus_nb_wmi_driver = {
490 .name = ASUS_NB_WMI_FILE,
491 .owner = THIS_MODULE,
492 .event_guid = ASUS_NB_WMI_EVENT_GUID,
493 .keymap = asus_nb_wmi_keymap,
494 .input_name = "Asus WMI hotkeys",
495 .input_phys = ASUS_NB_WMI_FILE "/input0",
496 .detect_quirks = asus_nb_wmi_quirks,
500 static int __init asus_nb_wmi_init(void)
502 return asus_wmi_register_driver(&asus_nb_wmi_driver);
505 static void __exit asus_nb_wmi_exit(void)
507 asus_wmi_unregister_driver(&asus_nb_wmi_driver);
510 module_init(asus_nb_wmi_init);
511 module_exit(asus_nb_wmi_exit);