1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Asus Notebooks WMI hotkey driver
4  *
5  * Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
6  */
7 
8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9 
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>
15 #include <linux/fb.h>
16 #include <linux/dmi.h>
17 #include <linux/i8042.h>
18 
19 #include "asus-wmi.h"
20 
21 #define	ASUS_NB_WMI_FILE	"asus-nb-wmi"
22 
23 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
24 MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
25 MODULE_LICENSE("GPL");
26 
27 #define ASUS_NB_WMI_EVENT_GUID	"0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
28 
29 MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
30 
31 /*
32  * WAPF defines the behavior of the Fn+Fx wlan key
33  * The significance of values is yet to be found, but
34  * most of the time:
35  * Bit | Bluetooth | WLAN
36  *  0  | Hardware  | Hardware
37  *  1  | Hardware  | Software
38  *  4  | Software  | Software
39  */
40 static int wapf = -1;
41 module_param(wapf, uint, 0444);
42 MODULE_PARM_DESC(wapf, "WAPF value");
43 
44 static struct quirk_entry *quirks;
45 
46 static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
47 			      struct serio *port)
48 {
49 	static bool extended;
50 	bool ret = false;
51 
52 	if (str & I8042_STR_AUXDATA)
53 		return false;
54 
55 	if (unlikely(data == 0xe1)) {
56 		extended = true;
57 		ret = true;
58 	} else if (unlikely(extended)) {
59 		extended = false;
60 		ret = true;
61 	}
62 
63 	return ret;
64 }
65 
66 static struct quirk_entry quirk_asus_unknown = {
67 	.wapf = 0,
68 	.wmi_backlight_set_devstate = true,
69 };
70 
71 static struct quirk_entry quirk_asus_q500a = {
72 	.i8042_filter = asus_q500a_i8042_filter,
73 	.wmi_backlight_set_devstate = true,
74 };
75 
76 /*
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
80  */
81 static struct quirk_entry quirk_asus_x55u = {
82 	.wapf = 4,
83 	.wmi_backlight_power = true,
84 	.wmi_backlight_set_devstate = true,
85 	.no_display_toggle = true,
86 };
87 
88 static struct quirk_entry quirk_asus_wapf4 = {
89 	.wapf = 4,
90 	.wmi_backlight_set_devstate = true,
91 };
92 
93 static struct quirk_entry quirk_asus_x200ca = {
94 	.wapf = 2,
95 	.wmi_backlight_set_devstate = true,
96 };
97 
98 static struct quirk_entry quirk_asus_ux303ub = {
99 	.wmi_backlight_native = true,
100 	.wmi_backlight_set_devstate = true,
101 };
102 
103 static struct quirk_entry quirk_asus_x550lb = {
104 	.wmi_backlight_set_devstate = true,
105 	.xusb2pr = 0x01D9,
106 };
107 
108 static struct quirk_entry quirk_asus_forceals = {
109 	.wmi_backlight_set_devstate = true,
110 	.wmi_force_als_set = true,
111 };
112 
113 static struct quirk_entry quirk_asus_vendor_backlight = {
114 	.wmi_backlight_power = true,
115 	.wmi_backlight_set_devstate = true,
116 };
117 
118 static int dmi_matched(const struct dmi_system_id *dmi)
119 {
120 	pr_info("Identified laptop model '%s'\n", dmi->ident);
121 	quirks = dmi->driver_data;
122 	return 1;
123 }
124 
125 static const struct dmi_system_id asus_quirks[] = {
126 	{
127 		.callback = dmi_matched,
128 		.ident = "ASUSTeK COMPUTER INC. Q500A",
129 		.matches = {
130 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
131 			DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
132 		},
133 		.driver_data = &quirk_asus_q500a,
134 	},
135 	{
136 		.callback = dmi_matched,
137 		.ident = "ASUSTeK COMPUTER INC. U32U",
138 		.matches = {
139 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
140 			DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
141 		},
142 		/*
143 		 * Note this machine has a Brazos APU, and most Brazos Asus
144 		 * machines need quirk_asus_x55u / wmi_backlight_power but
145 		 * here acpi-video seems to work fine for backlight control.
146 		 */
147 		.driver_data = &quirk_asus_wapf4,
148 	},
149 	{
150 		.callback = dmi_matched,
151 		.ident = "ASUSTeK COMPUTER INC. X302UA",
152 		.matches = {
153 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
154 			DMI_MATCH(DMI_PRODUCT_NAME, "X302UA"),
155 		},
156 		.driver_data = &quirk_asus_wapf4,
157 	},
158 	{
159 		.callback = dmi_matched,
160 		.ident = "ASUSTeK COMPUTER INC. X401U",
161 		.matches = {
162 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
163 			DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
164 		},
165 		.driver_data = &quirk_asus_x55u,
166 	},
167 	{
168 		.callback = dmi_matched,
169 		.ident = "ASUSTeK COMPUTER INC. X401A",
170 		.matches = {
171 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
172 			DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
173 		},
174 		.driver_data = &quirk_asus_wapf4,
175 	},
176 	{
177 		.callback = dmi_matched,
178 		.ident = "ASUSTeK COMPUTER INC. X401A1",
179 		.matches = {
180 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
181 			DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
182 		},
183 		.driver_data = &quirk_asus_wapf4,
184 	},
185 	{
186 		.callback = dmi_matched,
187 		.ident = "ASUSTeK COMPUTER INC. X45U",
188 		.matches = {
189 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
190 			DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
191 		},
192 		.driver_data = &quirk_asus_wapf4,
193 	},
194 	{
195 		.callback = dmi_matched,
196 		.ident = "ASUSTeK COMPUTER INC. X456UA",
197 		.matches = {
198 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
199 			DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
200 		},
201 		.driver_data = &quirk_asus_wapf4,
202 	},
203 	{
204 		.callback = dmi_matched,
205 		.ident = "ASUSTeK COMPUTER INC. X456UF",
206 		.matches = {
207 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
208 			DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
209 		},
210 		.driver_data = &quirk_asus_wapf4,
211 	},
212 	{
213 		.callback = dmi_matched,
214 		.ident = "ASUSTeK COMPUTER INC. X501U",
215 		.matches = {
216 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
217 			DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
218 		},
219 		.driver_data = &quirk_asus_x55u,
220 	},
221 	{
222 		.callback = dmi_matched,
223 		.ident = "ASUSTeK COMPUTER INC. X501A",
224 		.matches = {
225 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
226 			DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
227 		},
228 		.driver_data = &quirk_asus_wapf4,
229 	},
230 	{
231 		.callback = dmi_matched,
232 		.ident = "ASUSTeK COMPUTER INC. X501A1",
233 		.matches = {
234 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
235 			DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
236 		},
237 		.driver_data = &quirk_asus_wapf4,
238 	},
239 	{
240 		.callback = dmi_matched,
241 		.ident = "ASUSTeK COMPUTER INC. X550CA",
242 		.matches = {
243 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
244 			DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
245 		},
246 		.driver_data = &quirk_asus_wapf4,
247 	},
248 	{
249 		.callback = dmi_matched,
250 		.ident = "ASUSTeK COMPUTER INC. X550CC",
251 		.matches = {
252 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
253 			DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
254 		},
255 		.driver_data = &quirk_asus_wapf4,
256 	},
257 	{
258 		.callback = dmi_matched,
259 		.ident = "ASUSTeK COMPUTER INC. X550CL",
260 		.matches = {
261 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
262 			DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
263 		},
264 		.driver_data = &quirk_asus_wapf4,
265 	},
266 	{
267 		.callback = dmi_matched,
268 		.ident = "ASUSTeK COMPUTER INC. X550VB",
269 		.matches = {
270 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
271 			DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
272 		},
273 		.driver_data = &quirk_asus_wapf4,
274 	},
275 	{
276 		.callback = dmi_matched,
277 		.ident = "ASUSTeK COMPUTER INC. X551CA",
278 		.matches = {
279 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
280 			DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
281 		},
282 		.driver_data = &quirk_asus_wapf4,
283 	},
284 	{
285 		.callback = dmi_matched,
286 		.ident = "ASUSTeK COMPUTER INC. X55A",
287 		.matches = {
288 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
289 			DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
290 		},
291 		.driver_data = &quirk_asus_wapf4,
292 	},
293 	{
294 		.callback = dmi_matched,
295 		.ident = "ASUSTeK COMPUTER INC. X55C",
296 		.matches = {
297 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
298 			DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
299 		},
300 		.driver_data = &quirk_asus_wapf4,
301 	},
302 	{
303 		.callback = dmi_matched,
304 		.ident = "ASUSTeK COMPUTER INC. X55U",
305 		.matches = {
306 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
307 			DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
308 		},
309 		.driver_data = &quirk_asus_x55u,
310 	},
311 	{
312 		.callback = dmi_matched,
313 		.ident = "ASUSTeK COMPUTER INC. X55VD",
314 		.matches = {
315 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
316 			DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
317 		},
318 		.driver_data = &quirk_asus_wapf4,
319 	},
320 	{
321 		.callback = dmi_matched,
322 		.ident = "ASUSTeK COMPUTER INC. X75A",
323 		.matches = {
324 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
325 			DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
326 		},
327 		.driver_data = &quirk_asus_wapf4,
328 	},
329 	{
330 		.callback = dmi_matched,
331 		.ident = "ASUSTeK COMPUTER INC. X75VBP",
332 		.matches = {
333 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
334 			DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
335 		},
336 		.driver_data = &quirk_asus_wapf4,
337 	},
338 	{
339 		.callback = dmi_matched,
340 		.ident = "ASUSTeK COMPUTER INC. X75VD",
341 		.matches = {
342 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
343 			DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
344 		},
345 		.driver_data = &quirk_asus_wapf4,
346 	},
347 	{
348 		.callback = dmi_matched,
349 		.ident = "ASUSTeK COMPUTER INC. 1015E",
350 		.matches = {
351 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
352 			DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
353 		},
354 		.driver_data = &quirk_asus_wapf4,
355 	},
356 	{
357 		.callback = dmi_matched,
358 		.ident = "ASUSTeK COMPUTER INC. 1015U",
359 		.matches = {
360 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
361 			DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
362 		},
363 		.driver_data = &quirk_asus_wapf4,
364 	},
365 	{
366 		.callback = dmi_matched,
367 		.ident = "ASUSTeK COMPUTER INC. X200CA",
368 		.matches = {
369 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
370 			DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
371 		},
372 		.driver_data = &quirk_asus_x200ca,
373 	},
374 	{
375 		.callback = dmi_matched,
376 		.ident = "ASUSTeK COMPUTER INC. UX303UB",
377 		.matches = {
378 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
379 			DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
380 		},
381 		.driver_data = &quirk_asus_ux303ub,
382 	},
383 	{
384 		.callback = dmi_matched,
385 		.ident = "ASUSTeK COMPUTER INC. UX330UAK",
386 		.matches = {
387 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
388 			DMI_MATCH(DMI_PRODUCT_NAME, "UX330UAK"),
389 		},
390 		.driver_data = &quirk_asus_forceals,
391 	},
392 	{
393 		.callback = dmi_matched,
394 		.ident = "ASUSTeK COMPUTER INC. X550LB",
395 		.matches = {
396 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
397 			DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
398 		},
399 		.driver_data = &quirk_asus_x550lb,
400 	},
401 	{
402 		.callback = dmi_matched,
403 		.ident = "ASUSTeK COMPUTER INC. UX430UQ",
404 		.matches = {
405 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
406 			DMI_MATCH(DMI_PRODUCT_NAME, "UX430UQ"),
407 		},
408 		.driver_data = &quirk_asus_forceals,
409 	},
410 	{
411 		.callback = dmi_matched,
412 		.ident = "ASUSTeK COMPUTER INC. UX430UNR",
413 		.matches = {
414 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
415 			DMI_MATCH(DMI_PRODUCT_NAME, "UX430UNR"),
416 		},
417 		.driver_data = &quirk_asus_forceals,
418 	},
419 	{
420 		.callback = dmi_matched,
421 		.ident = "ASUSTeK COMPUTER INC. GA401IH",
422 		.matches = {
423 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
424 			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IH"),
425 		},
426 		.driver_data = &quirk_asus_vendor_backlight,
427 	},
428 	{
429 		.callback = dmi_matched,
430 		.ident = "ASUSTeK COMPUTER INC. GA401II",
431 		.matches = {
432 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
433 			DMI_MATCH(DMI_PRODUCT_NAME, "GA401II"),
434 		},
435 		.driver_data = &quirk_asus_vendor_backlight,
436 	},
437 	{
438 		.callback = dmi_matched,
439 		.ident = "ASUSTeK COMPUTER INC. GA401IU",
440 		.matches = {
441 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
442 			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IU"),
443 		},
444 		.driver_data = &quirk_asus_vendor_backlight,
445 	},
446 	{
447 		.callback = dmi_matched,
448 		.ident = "ASUSTeK COMPUTER INC. GA401IV",
449 		.matches = {
450 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
451 			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IV"),
452 		},
453 		.driver_data = &quirk_asus_vendor_backlight,
454 	},
455 	{
456 		.callback = dmi_matched,
457 		.ident = "ASUSTeK COMPUTER INC. GA401IVC",
458 		.matches = {
459 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
460 			DMI_MATCH(DMI_PRODUCT_NAME, "GA401IVC"),
461 		},
462 		.driver_data = &quirk_asus_vendor_backlight,
463 	},
464 		{
465 		.callback = dmi_matched,
466 		.ident = "ASUSTeK COMPUTER INC. GA502II",
467 		.matches = {
468 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
469 			DMI_MATCH(DMI_PRODUCT_NAME, "GA502II"),
470 		},
471 		.driver_data = &quirk_asus_vendor_backlight,
472 	},
473 	{
474 		.callback = dmi_matched,
475 		.ident = "ASUSTeK COMPUTER INC. GA502IU",
476 		.matches = {
477 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
478 			DMI_MATCH(DMI_PRODUCT_NAME, "GA502IU"),
479 		},
480 		.driver_data = &quirk_asus_vendor_backlight,
481 	},
482 	{
483 		.callback = dmi_matched,
484 		.ident = "ASUSTeK COMPUTER INC. GA502IV",
485 		.matches = {
486 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
487 			DMI_MATCH(DMI_PRODUCT_NAME, "GA502IV"),
488 		},
489 		.driver_data = &quirk_asus_vendor_backlight,
490 	},
491 	{},
492 };
493 
494 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
495 {
496 	int ret;
497 
498 	quirks = &quirk_asus_unknown;
499 	dmi_check_system(asus_quirks);
500 
501 	driver->quirks = quirks;
502 	driver->panel_power = FB_BLANK_UNBLANK;
503 
504 	/* overwrite the wapf setting if the wapf paramater is specified */
505 	if (wapf != -1)
506 		quirks->wapf = wapf;
507 	else
508 		wapf = quirks->wapf;
509 
510 	if (quirks->i8042_filter) {
511 		ret = i8042_install_filter(quirks->i8042_filter);
512 		if (ret) {
513 			pr_warn("Unable to install key filter\n");
514 			return;
515 		}
516 		pr_info("Using i8042 filter function for receiving events\n");
517 	}
518 }
519 
520 static const struct key_entry asus_nb_wmi_keymap[] = {
521 	{ KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
522 	{ KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
523 	{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
524 	{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
525 	{ KE_KEY, 0x32, { KEY_MUTE } },
526 	{ KE_KEY, 0x35, { KEY_SCREENLOCK } },
527 	{ KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
528 	{ KE_KEY, 0x41, { KEY_NEXTSONG } },
529 	{ KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
530 	{ KE_KEY, 0x45, { KEY_PLAYPAUSE } },
531 	{ KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
532 	{ KE_KEY, 0x50, { KEY_EMAIL } },
533 	{ KE_KEY, 0x51, { KEY_WWW } },
534 	{ KE_KEY, 0x55, { KEY_CALC } },
535 	{ KE_IGNORE, 0x57, },  /* Battery mode */
536 	{ KE_IGNORE, 0x58, },  /* AC mode */
537 	{ KE_KEY, 0x5C, { KEY_F15 } },  /* Power Gear key */
538 	{ KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
539 	{ KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
540 	{ KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
541 	{ KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
542 	{ KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
543 	{ KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
544 	{ KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
545 	{ KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
546 	{ KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
547 	{ KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
548 	{ KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
549 	{ KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
550 	{ KE_IGNORE, 0x6E, },  /* Low Battery notification */
551 	{ KE_KEY, 0x71, { KEY_F13 } }, /* General-purpose button */
552 	{ KE_IGNORE, 0x79, },  /* Charger type dectection notification */
553 	{ KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
554 	{ KE_KEY, 0x7c, { KEY_MICMUTE } },
555 	{ KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
556 	{ KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
557 	{ KE_KEY, 0x82, { KEY_CAMERA } },
558 	{ KE_KEY, 0x88, { KEY_RFKILL  } }, /* Radio Toggle Key */
559 	{ KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
560 	{ KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
561 	{ KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
562 	{ KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
563 	{ KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
564 	{ KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
565 	{ KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
566 	{ KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
567 	{ KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
568 	{ KE_KEY, 0x95, { KEY_MEDIA } },
569 	{ KE_KEY, 0x99, { KEY_PHONE } }, /* Conflicts with fan mode switch */
570 	{ KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
571 	{ KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
572 	{ KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
573 	{ KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
574 	{ KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
575 	{ KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
576 	{ KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
577 	{ KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
578 	{ KE_KEY, 0xB5, { KEY_CALC } },
579 	{ KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
580 	{ KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
581 	{ KE_IGNORE, 0xC6, },  /* Ambient Light Sensor notification */
582 	{ KE_KEY, 0xFA, { KEY_PROG2 } },           /* Lid flip action */
583 	{ KE_END, 0},
584 };
585 
586 static struct asus_wmi_driver asus_nb_wmi_driver = {
587 	.name = ASUS_NB_WMI_FILE,
588 	.owner = THIS_MODULE,
589 	.event_guid = ASUS_NB_WMI_EVENT_GUID,
590 	.keymap = asus_nb_wmi_keymap,
591 	.input_name = "Asus WMI hotkeys",
592 	.input_phys = ASUS_NB_WMI_FILE "/input0",
593 	.detect_quirks = asus_nb_wmi_quirks,
594 };
595 
596 static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = {
597 	{
598 		/*
599 		 * asus-nb-wm adds no functionality. The T100TA has a detachable
600 		 * USB kbd, so no hotkeys and it has no WMI rfkill; and loading
601 		 * asus-nb-wm causes the camera LED to turn and _stay_ on.
602 		 */
603 		.matches = {
604 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
605 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
606 		},
607 	},
608 	{
609 		/* The Asus T200TA has the same issue as the T100TA */
610 		.matches = {
611 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
612 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"),
613 		},
614 	},
615 	{} /* Terminating entry */
616 };
617 
618 static int __init asus_nb_wmi_init(void)
619 {
620 	if (dmi_check_system(asus_nb_wmi_blacklist))
621 		return -ENODEV;
622 
623 	return asus_wmi_register_driver(&asus_nb_wmi_driver);
624 }
625 
626 static void __exit asus_nb_wmi_exit(void)
627 {
628 	asus_wmi_unregister_driver(&asus_nb_wmi_driver);
629 }
630 
631 module_init(asus_nb_wmi_init);
632 module_exit(asus_nb_wmi_exit);
633