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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
23MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
24MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
25MODULE_LICENSE("GPL");
26
27#define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
28
29MODULE_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 */
40static int wapf = -1;
41module_param(wapf, uint, 0444);
42MODULE_PARM_DESC(wapf, "WAPF value");
43
44static struct quirk_entry *quirks;
45
46static 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
66static struct quirk_entry quirk_asus_unknown = {
67 .wapf = 0,
68 .wmi_backlight_set_devstate = true,
69};
70
71static 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 */
81static 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
88static struct quirk_entry quirk_asus_wapf4 = {
89 .wapf = 4,
90 .wmi_backlight_set_devstate = true,
91};
92
93static struct quirk_entry quirk_asus_x200ca = {
94 .wapf = 2,
95 .wmi_backlight_set_devstate = true,
96};
97
98static struct quirk_entry quirk_asus_ux303ub = {
99 .wmi_backlight_native = true,
100 .wmi_backlight_set_devstate = true,
101};
102
103static struct quirk_entry quirk_asus_x550lb = {
104 .wmi_backlight_set_devstate = true,
105 .xusb2pr = 0x01D9,
106};
107
108static struct quirk_entry quirk_asus_forceals = {
109 .wmi_backlight_set_devstate = true,
110 .wmi_force_als_set = true,
111};
112
113static int dmi_matched(const struct dmi_system_id *dmi)
114{
115 pr_info("Identified laptop model '%s'\n", dmi->ident);
116 quirks = dmi->driver_data;
117 return 1;
118}
119
120static const struct dmi_system_id asus_quirks[] = {
121 {
122 .callback = dmi_matched,
123 .ident = "ASUSTeK COMPUTER INC. Q500A",
124 .matches = {
125 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
126 DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
127 },
128 .driver_data = &quirk_asus_q500a,
129 },
130 {
131 .callback = dmi_matched,
132 .ident = "ASUSTeK COMPUTER INC. U32U",
133 .matches = {
134 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
135 DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
136 },
137 /*
138 * Note this machine has a Brazos APU, and most Brazos Asus
139 * machines need quirk_asus_x55u / wmi_backlight_power but
140 * here acpi-video seems to work fine for backlight control.
141 */
142 .driver_data = &quirk_asus_wapf4,
143 },
144 {
145 .callback = dmi_matched,
146 .ident = "ASUSTeK COMPUTER INC. X302UA",
147 .matches = {
148 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
149 DMI_MATCH(DMI_PRODUCT_NAME, "X302UA"),
150 },
151 .driver_data = &quirk_asus_wapf4,
152 },
153 {
154 .callback = dmi_matched,
155 .ident = "ASUSTeK COMPUTER INC. X401U",
156 .matches = {
157 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
158 DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
159 },
160 .driver_data = &quirk_asus_x55u,
161 },
162 {
163 .callback = dmi_matched,
164 .ident = "ASUSTeK COMPUTER INC. X401A",
165 .matches = {
166 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
167 DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
168 },
169 .driver_data = &quirk_asus_wapf4,
170 },
171 {
172 .callback = dmi_matched,
173 .ident = "ASUSTeK COMPUTER INC. X401A1",
174 .matches = {
175 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
176 DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
177 },
178 .driver_data = &quirk_asus_wapf4,
179 },
180 {
181 .callback = dmi_matched,
182 .ident = "ASUSTeK COMPUTER INC. X45U",
183 .matches = {
184 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
185 DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
186 },
187 .driver_data = &quirk_asus_wapf4,
188 },
189 {
190 .callback = dmi_matched,
191 .ident = "ASUSTeK COMPUTER INC. X456UA",
192 .matches = {
193 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
194 DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
195 },
196 .driver_data = &quirk_asus_wapf4,
197 },
198 {
199 .callback = dmi_matched,
200 .ident = "ASUSTeK COMPUTER INC. X456UF",
201 .matches = {
202 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
203 DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
204 },
205 .driver_data = &quirk_asus_wapf4,
206 },
207 {
208 .callback = dmi_matched,
209 .ident = "ASUSTeK COMPUTER INC. X501U",
210 .matches = {
211 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
212 DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
213 },
214 .driver_data = &quirk_asus_x55u,
215 },
216 {
217 .callback = dmi_matched,
218 .ident = "ASUSTeK COMPUTER INC. X501A",
219 .matches = {
220 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
221 DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
222 },
223 .driver_data = &quirk_asus_wapf4,
224 },
225 {
226 .callback = dmi_matched,
227 .ident = "ASUSTeK COMPUTER INC. X501A1",
228 .matches = {
229 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
230 DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
231 },
232 .driver_data = &quirk_asus_wapf4,
233 },
234 {
235 .callback = dmi_matched,
236 .ident = "ASUSTeK COMPUTER INC. X550CA",
237 .matches = {
238 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
239 DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
240 },
241 .driver_data = &quirk_asus_wapf4,
242 },
243 {
244 .callback = dmi_matched,
245 .ident = "ASUSTeK COMPUTER INC. X550CC",
246 .matches = {
247 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
248 DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
249 },
250 .driver_data = &quirk_asus_wapf4,
251 },
252 {
253 .callback = dmi_matched,
254 .ident = "ASUSTeK COMPUTER INC. X550CL",
255 .matches = {
256 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
257 DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
258 },
259 .driver_data = &quirk_asus_wapf4,
260 },
261 {
262 .callback = dmi_matched,
263 .ident = "ASUSTeK COMPUTER INC. X550VB",
264 .matches = {
265 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
266 DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
267 },
268 .driver_data = &quirk_asus_wapf4,
269 },
270 {
271 .callback = dmi_matched,
272 .ident = "ASUSTeK COMPUTER INC. X551CA",
273 .matches = {
274 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
275 DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
276 },
277 .driver_data = &quirk_asus_wapf4,
278 },
279 {
280 .callback = dmi_matched,
281 .ident = "ASUSTeK COMPUTER INC. X55A",
282 .matches = {
283 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
284 DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
285 },
286 .driver_data = &quirk_asus_wapf4,
287 },
288 {
289 .callback = dmi_matched,
290 .ident = "ASUSTeK COMPUTER INC. X55C",
291 .matches = {
292 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
293 DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
294 },
295 .driver_data = &quirk_asus_wapf4,
296 },
297 {
298 .callback = dmi_matched,
299 .ident = "ASUSTeK COMPUTER INC. X55U",
300 .matches = {
301 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
302 DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
303 },
304 .driver_data = &quirk_asus_x55u,
305 },
306 {
307 .callback = dmi_matched,
308 .ident = "ASUSTeK COMPUTER INC. X55VD",
309 .matches = {
310 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
311 DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
312 },
313 .driver_data = &quirk_asus_wapf4,
314 },
315 {
316 .callback = dmi_matched,
317 .ident = "ASUSTeK COMPUTER INC. X75A",
318 .matches = {
319 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
320 DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
321 },
322 .driver_data = &quirk_asus_wapf4,
323 },
324 {
325 .callback = dmi_matched,
326 .ident = "ASUSTeK COMPUTER INC. X75VBP",
327 .matches = {
328 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
329 DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
330 },
331 .driver_data = &quirk_asus_wapf4,
332 },
333 {
334 .callback = dmi_matched,
335 .ident = "ASUSTeK COMPUTER INC. X75VD",
336 .matches = {
337 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
338 DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
339 },
340 .driver_data = &quirk_asus_wapf4,
341 },
342 {
343 .callback = dmi_matched,
344 .ident = "ASUSTeK COMPUTER INC. 1015E",
345 .matches = {
346 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
347 DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
348 },
349 .driver_data = &quirk_asus_wapf4,
350 },
351 {
352 .callback = dmi_matched,
353 .ident = "ASUSTeK COMPUTER INC. 1015U",
354 .matches = {
355 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
356 DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
357 },
358 .driver_data = &quirk_asus_wapf4,
359 },
360 {
361 .callback = dmi_matched,
362 .ident = "ASUSTeK COMPUTER INC. X200CA",
363 .matches = {
364 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
365 DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
366 },
367 .driver_data = &quirk_asus_x200ca,
368 },
369 {
370 .callback = dmi_matched,
371 .ident = "ASUSTeK COMPUTER INC. UX303UB",
372 .matches = {
373 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
374 DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
375 },
376 .driver_data = &quirk_asus_ux303ub,
377 },
378 {
379 .callback = dmi_matched,
380 .ident = "ASUSTeK COMPUTER INC. UX330UAK",
381 .matches = {
382 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
383 DMI_MATCH(DMI_PRODUCT_NAME, "UX330UAK"),
384 },
385 .driver_data = &quirk_asus_forceals,
386 },
387 {
388 .callback = dmi_matched,
389 .ident = "ASUSTeK COMPUTER INC. X550LB",
390 .matches = {
391 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
392 DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
393 },
394 .driver_data = &quirk_asus_x550lb,
395 },
396 {
397 .callback = dmi_matched,
398 .ident = "ASUSTeK COMPUTER INC. UX430UQ",
399 .matches = {
400 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
401 DMI_MATCH(DMI_PRODUCT_NAME, "UX430UQ"),
402 },
403 .driver_data = &quirk_asus_forceals,
404 },
405 {
406 .callback = dmi_matched,
407 .ident = "ASUSTeK COMPUTER INC. UX430UNR",
408 .matches = {
409 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
410 DMI_MATCH(DMI_PRODUCT_NAME, "UX430UNR"),
411 },
412 .driver_data = &quirk_asus_forceals,
413 },
414 {},
415};
416
417static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
418{
419 int ret;
420
421 quirks = &quirk_asus_unknown;
422 dmi_check_system(asus_quirks);
423
424 driver->quirks = quirks;
425 driver->panel_power = FB_BLANK_UNBLANK;
426
427 /* overwrite the wapf setting if the wapf paramater is specified */
428 if (wapf != -1)
429 quirks->wapf = wapf;
430 else
431 wapf = quirks->wapf;
432
433 if (quirks->i8042_filter) {
434 ret = i8042_install_filter(quirks->i8042_filter);
435 if (ret) {
436 pr_warn("Unable to install key filter\n");
437 return;
438 }
439 pr_info("Using i8042 filter function for receiving events\n");
440 }
441}
442
443static const struct key_entry asus_nb_wmi_keymap[] = {
444 { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
445 { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
446 { KE_KEY, 0x30, { KEY_VOLUMEUP } },
447 { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
448 { KE_KEY, 0x32, { KEY_MUTE } },
449 { KE_KEY, 0x35, { KEY_SCREENLOCK } },
450 { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
451 { KE_KEY, 0x41, { KEY_NEXTSONG } },
452 { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
453 { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
454 { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
455 { KE_KEY, 0x50, { KEY_EMAIL } },
456 { KE_KEY, 0x51, { KEY_WWW } },
457 { KE_KEY, 0x55, { KEY_CALC } },
458 { KE_IGNORE, 0x57, }, /* Battery mode */
459 { KE_IGNORE, 0x58, }, /* AC mode */
460 { KE_KEY, 0x5C, { KEY_F15 } }, /* Power Gear key */
461 { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
462 { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
463 { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
464 { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
465 { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
466 { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
467 { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
468 { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
469 { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
470 { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
471 { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
472 { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
473 { KE_IGNORE, 0x6E, }, /* Low Battery notification */
474 { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
475 { KE_KEY, 0x7c, { KEY_MICMUTE } },
476 { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
477 { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
478 { KE_KEY, 0x82, { KEY_CAMERA } },
479 { KE_KEY, 0x88, { KEY_RFKILL } }, /* Radio Toggle Key */
480 { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
481 { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
482 { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
483 { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
484 { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
485 { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
486 { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
487 { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
488 { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
489 { KE_KEY, 0x95, { KEY_MEDIA } },
490 { KE_KEY, 0x99, { KEY_PHONE } }, /* Conflicts with fan mode switch */
491 { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
492 { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
493 { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
494 { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
495 { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
496 { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
497 { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
498 { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
499 { KE_KEY, 0xB5, { KEY_CALC } },
500 { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
501 { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
502 { KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
503 { KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */
504 { KE_END, 0},
505};
506
507static struct asus_wmi_driver asus_nb_wmi_driver = {
508 .name = ASUS_NB_WMI_FILE,
509 .owner = THIS_MODULE,
510 .event_guid = ASUS_NB_WMI_EVENT_GUID,
511 .keymap = asus_nb_wmi_keymap,
512 .input_name = "Asus WMI hotkeys",
513 .input_phys = ASUS_NB_WMI_FILE "/input0",
514 .detect_quirks = asus_nb_wmi_quirks,
515};
516
517
518static int __init asus_nb_wmi_init(void)
519{
520 return asus_wmi_register_driver(&asus_nb_wmi_driver);
521}
522
523static void __exit asus_nb_wmi_exit(void)
524{
525 asus_wmi_unregister_driver(&asus_nb_wmi_driver);
526}
527
528module_init(asus_nb_wmi_init);
529module_exit(asus_nb_wmi_exit);
1/*
2 * Asus Notebooks WMI hotkey driver
3 *
4 * Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
5 *
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.
10 *
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.
15 *
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
19 */
20
21#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22
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>
28#include <linux/fb.h>
29#include <linux/dmi.h>
30#include <linux/i8042.h>
31
32#include "asus-wmi.h"
33
34#define ASUS_NB_WMI_FILE "asus-nb-wmi"
35
36MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
37MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
38MODULE_LICENSE("GPL");
39
40#define ASUS_NB_WMI_EVENT_GUID "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
41
42MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
43
44/*
45 * WAPF defines the behavior of the Fn+Fx wlan key
46 * The significance of values is yet to be found, but
47 * most of the time:
48 * Bit | Bluetooth | WLAN
49 * 0 | Hardware | Hardware
50 * 1 | Hardware | Software
51 * 4 | Software | Software
52 */
53static int wapf = -1;
54module_param(wapf, uint, 0444);
55MODULE_PARM_DESC(wapf, "WAPF value");
56
57static struct quirk_entry *quirks;
58
59static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str,
60 struct serio *port)
61{
62 static bool extended;
63 bool ret = false;
64
65 if (str & I8042_STR_AUXDATA)
66 return false;
67
68 if (unlikely(data == 0xe1)) {
69 extended = true;
70 ret = true;
71 } else if (unlikely(extended)) {
72 extended = false;
73 ret = true;
74 }
75
76 return ret;
77}
78
79static struct quirk_entry quirk_asus_unknown = {
80 .wapf = 0,
81};
82
83static struct quirk_entry quirk_asus_q500a = {
84 .i8042_filter = asus_q500a_i8042_filter,
85};
86
87/*
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
91 */
92static struct quirk_entry quirk_asus_x55u = {
93 .wapf = 4,
94 .wmi_backlight_power = true,
95 .no_display_toggle = true,
96};
97
98static struct quirk_entry quirk_asus_wapf4 = {
99 .wapf = 4,
100};
101
102static struct quirk_entry quirk_asus_x200ca = {
103 .wapf = 2,
104};
105
106static struct quirk_entry quirk_no_rfkill = {
107 .no_rfkill = true,
108};
109
110static struct quirk_entry quirk_no_rfkill_wapf4 = {
111 .wapf = 4,
112 .no_rfkill = true,
113};
114
115static struct quirk_entry quirk_asus_ux303ub = {
116 .wmi_backlight_native = true,
117};
118
119static struct quirk_entry quirk_asus_x550lb = {
120 .xusb2pr = 0x01D9,
121};
122
123static int dmi_matched(const struct dmi_system_id *dmi)
124{
125 pr_info("Identified laptop model '%s'\n", dmi->ident);
126 quirks = dmi->driver_data;
127 return 1;
128}
129
130static const struct dmi_system_id asus_quirks[] = {
131 {
132 .callback = dmi_matched,
133 .ident = "ASUSTeK COMPUTER INC. Q500A",
134 .matches = {
135 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
136 DMI_MATCH(DMI_PRODUCT_NAME, "Q500A"),
137 },
138 .driver_data = &quirk_asus_q500a,
139 },
140 {
141 .callback = dmi_matched,
142 .ident = "ASUSTeK COMPUTER INC. U32U",
143 .matches = {
144 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
145 DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
146 },
147 /*
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.
151 */
152 .driver_data = &quirk_asus_wapf4,
153 },
154 {
155 .callback = dmi_matched,
156 .ident = "ASUSTeK COMPUTER INC. X401U",
157 .matches = {
158 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
159 DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
160 },
161 .driver_data = &quirk_asus_x55u,
162 },
163 {
164 .callback = dmi_matched,
165 .ident = "ASUSTeK COMPUTER INC. X401A",
166 .matches = {
167 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
168 DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
169 },
170 .driver_data = &quirk_asus_wapf4,
171 },
172 {
173 .callback = dmi_matched,
174 .ident = "ASUSTeK COMPUTER INC. X401A1",
175 .matches = {
176 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
177 DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
178 },
179 .driver_data = &quirk_asus_wapf4,
180 },
181 {
182 .callback = dmi_matched,
183 .ident = "ASUSTeK COMPUTER INC. X45U",
184 .matches = {
185 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
186 DMI_MATCH(DMI_PRODUCT_NAME, "X45U"),
187 },
188 .driver_data = &quirk_asus_wapf4,
189 },
190 {
191 .callback = dmi_matched,
192 .ident = "ASUSTeK COMPUTER INC. X456UA",
193 .matches = {
194 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
195 DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
196 },
197 .driver_data = &quirk_no_rfkill_wapf4,
198 },
199 {
200 .callback = dmi_matched,
201 .ident = "ASUSTeK COMPUTER INC. X456UF",
202 .matches = {
203 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
204 DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
205 },
206 .driver_data = &quirk_no_rfkill_wapf4,
207 },
208 {
209 .callback = dmi_matched,
210 .ident = "ASUSTeK COMPUTER INC. X501U",
211 .matches = {
212 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
213 DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
214 },
215 .driver_data = &quirk_asus_x55u,
216 },
217 {
218 .callback = dmi_matched,
219 .ident = "ASUSTeK COMPUTER INC. X501A",
220 .matches = {
221 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
222 DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
223 },
224 .driver_data = &quirk_asus_wapf4,
225 },
226 {
227 .callback = dmi_matched,
228 .ident = "ASUSTeK COMPUTER INC. X501A1",
229 .matches = {
230 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
231 DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
232 },
233 .driver_data = &quirk_asus_wapf4,
234 },
235 {
236 .callback = dmi_matched,
237 .ident = "ASUSTeK COMPUTER INC. X550CA",
238 .matches = {
239 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
240 DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
241 },
242 .driver_data = &quirk_asus_wapf4,
243 },
244 {
245 .callback = dmi_matched,
246 .ident = "ASUSTeK COMPUTER INC. X550CC",
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
249 DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
250 },
251 .driver_data = &quirk_asus_wapf4,
252 },
253 {
254 .callback = dmi_matched,
255 .ident = "ASUSTeK COMPUTER INC. X550CL",
256 .matches = {
257 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
258 DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
259 },
260 .driver_data = &quirk_asus_wapf4,
261 },
262 {
263 .callback = dmi_matched,
264 .ident = "ASUSTeK COMPUTER INC. X550VB",
265 .matches = {
266 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
267 DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
268 },
269 .driver_data = &quirk_asus_wapf4,
270 },
271 {
272 .callback = dmi_matched,
273 .ident = "ASUSTeK COMPUTER INC. X551CA",
274 .matches = {
275 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
276 DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
277 },
278 .driver_data = &quirk_asus_wapf4,
279 },
280 {
281 .callback = dmi_matched,
282 .ident = "ASUSTeK COMPUTER INC. X55A",
283 .matches = {
284 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
285 DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
286 },
287 .driver_data = &quirk_asus_wapf4,
288 },
289 {
290 .callback = dmi_matched,
291 .ident = "ASUSTeK COMPUTER INC. X55C",
292 .matches = {
293 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
294 DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
295 },
296 .driver_data = &quirk_asus_wapf4,
297 },
298 {
299 .callback = dmi_matched,
300 .ident = "ASUSTeK COMPUTER INC. X55U",
301 .matches = {
302 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
303 DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
304 },
305 .driver_data = &quirk_asus_x55u,
306 },
307 {
308 .callback = dmi_matched,
309 .ident = "ASUSTeK COMPUTER INC. X55VD",
310 .matches = {
311 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
312 DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
313 },
314 .driver_data = &quirk_asus_wapf4,
315 },
316 {
317 .callback = dmi_matched,
318 .ident = "ASUSTeK COMPUTER INC. X75A",
319 .matches = {
320 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
321 DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
322 },
323 .driver_data = &quirk_asus_wapf4,
324 },
325 {
326 .callback = dmi_matched,
327 .ident = "ASUSTeK COMPUTER INC. X75VBP",
328 .matches = {
329 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
330 DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
331 },
332 .driver_data = &quirk_asus_wapf4,
333 },
334 {
335 .callback = dmi_matched,
336 .ident = "ASUSTeK COMPUTER INC. X75VD",
337 .matches = {
338 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
339 DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
340 },
341 .driver_data = &quirk_asus_wapf4,
342 },
343 {
344 .callback = dmi_matched,
345 .ident = "ASUSTeK COMPUTER INC. 1015E",
346 .matches = {
347 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
348 DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
349 },
350 .driver_data = &quirk_asus_wapf4,
351 },
352 {
353 .callback = dmi_matched,
354 .ident = "ASUSTeK COMPUTER INC. 1015U",
355 .matches = {
356 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
357 DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
358 },
359 .driver_data = &quirk_asus_wapf4,
360 },
361 {
362 .callback = dmi_matched,
363 .ident = "ASUSTeK COMPUTER INC. X200CA",
364 .matches = {
365 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
366 DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
367 },
368 .driver_data = &quirk_asus_x200ca,
369 },
370 {
371 .callback = dmi_matched,
372 .ident = "ASUSTeK COMPUTER INC. X555UB",
373 .matches = {
374 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
375 DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"),
376 },
377 .driver_data = &quirk_no_rfkill,
378 },
379 {
380 .callback = dmi_matched,
381 .ident = "ASUSTeK COMPUTER INC. N552VW",
382 .matches = {
383 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
384 DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"),
385 },
386 .driver_data = &quirk_no_rfkill,
387 },
388 {
389 .callback = dmi_matched,
390 .ident = "ASUSTeK COMPUTER INC. U303LB",
391 .matches = {
392 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
393 DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"),
394 },
395 .driver_data = &quirk_no_rfkill,
396 },
397 {
398 .callback = dmi_matched,
399 .ident = "ASUSTeK COMPUTER INC. Z550MA",
400 .matches = {
401 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
402 DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"),
403 },
404 .driver_data = &quirk_no_rfkill,
405 },
406 {
407 .callback = dmi_matched,
408 .ident = "ASUSTeK COMPUTER INC. UX303UB",
409 .matches = {
410 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
411 DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
412 },
413 .driver_data = &quirk_asus_ux303ub,
414 },
415 {
416 .callback = dmi_matched,
417 .ident = "ASUSTeK COMPUTER INC. X550LB",
418 .matches = {
419 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
420 DMI_MATCH(DMI_PRODUCT_NAME, "X550LB"),
421 },
422 .driver_data = &quirk_asus_x550lb,
423 },
424 {},
425};
426
427static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
428{
429 int ret;
430
431 quirks = &quirk_asus_unknown;
432 dmi_check_system(asus_quirks);
433
434 driver->quirks = quirks;
435 driver->panel_power = FB_BLANK_UNBLANK;
436
437 /* overwrite the wapf setting if the wapf paramater is specified */
438 if (wapf != -1)
439 quirks->wapf = wapf;
440 else
441 wapf = quirks->wapf;
442
443 if (quirks->i8042_filter) {
444 ret = i8042_install_filter(quirks->i8042_filter);
445 if (ret) {
446 pr_warn("Unable to install key filter\n");
447 return;
448 }
449 pr_info("Using i8042 filter function for receiving events\n");
450 }
451}
452
453static 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 */
513 { KE_END, 0},
514};
515
516static 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,
524};
525
526
527static int __init asus_nb_wmi_init(void)
528{
529 return asus_wmi_register_driver(&asus_nb_wmi_driver);
530}
531
532static void __exit asus_nb_wmi_exit(void)
533{
534 asus_wmi_unregister_driver(&asus_nb_wmi_driver);
535}
536
537module_init(asus_nb_wmi_init);
538module_exit(asus_nb_wmi_exit);