Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
[cascardo/linux.git] / drivers / platform / x86 / asus-nb-wmi.c
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
36 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
37 MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
38 MODULE_LICENSE("GPL");
39
40 #define ASUS_NB_WMI_EVENT_GUID  "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
41
42 MODULE_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  */
53 static int wapf = -1;
54 module_param(wapf, uint, 0444);
55 MODULE_PARM_DESC(wapf, "WAPF value");
56
57 static struct quirk_entry *quirks;
58
59 static 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
79 static struct quirk_entry quirk_asus_unknown = {
80         .wapf = 0,
81 };
82
83 static 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  */
92 static struct quirk_entry quirk_asus_x55u = {
93         .wapf = 4,
94         .wmi_backlight_power = true,
95         .no_display_toggle = true,
96 };
97
98 static struct quirk_entry quirk_asus_wapf4 = {
99         .wapf = 4,
100 };
101
102 static struct quirk_entry quirk_asus_x200ca = {
103         .wapf = 2,
104 };
105
106 static struct quirk_entry quirk_no_rfkill = {
107         .no_rfkill = true,
108 };
109
110 static struct quirk_entry quirk_no_rfkill_wapf4 = {
111         .wapf = 4,
112         .no_rfkill = true,
113 };
114
115 static struct quirk_entry quirk_asus_ux303ub = {
116         .wmi_backlight_native = true,
117 };
118
119 static int dmi_matched(const struct dmi_system_id *dmi)
120 {
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. X401U",
152                 .matches = {
153                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
154                         DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
155                 },
156                 .driver_data = &quirk_asus_x55u,
157         },
158         {
159                 .callback = dmi_matched,
160                 .ident = "ASUSTeK COMPUTER INC. X401A",
161                 .matches = {
162                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
163                         DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
164                 },
165                 .driver_data = &quirk_asus_wapf4,
166         },
167         {
168                 .callback = dmi_matched,
169                 .ident = "ASUSTeK COMPUTER INC. X401A1",
170                 .matches = {
171                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
172                         DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
173                 },
174                 .driver_data = &quirk_asus_wapf4,
175         },
176         {
177                 .callback = dmi_matched,
178                 .ident = "ASUSTeK COMPUTER INC. X456UA",
179                 .matches = {
180                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
181                         DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
182                 },
183                 .driver_data = &quirk_no_rfkill_wapf4,
184         },
185         {
186                 .callback = dmi_matched,
187                 .ident = "ASUSTeK COMPUTER INC. X456UF",
188                 .matches = {
189                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
190                         DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
191                 },
192                 .driver_data = &quirk_no_rfkill_wapf4,
193         },
194         {
195                 .callback = dmi_matched,
196                 .ident = "ASUSTeK COMPUTER INC. X501U",
197                 .matches = {
198                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
199                         DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
200                 },
201                 .driver_data = &quirk_asus_x55u,
202         },
203         {
204                 .callback = dmi_matched,
205                 .ident = "ASUSTeK COMPUTER INC. X501A",
206                 .matches = {
207                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
208                         DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
209                 },
210                 .driver_data = &quirk_asus_wapf4,
211         },
212         {
213                 .callback = dmi_matched,
214                 .ident = "ASUSTeK COMPUTER INC. X501A1",
215                 .matches = {
216                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
217                         DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
218                 },
219                 .driver_data = &quirk_asus_wapf4,
220         },
221         {
222                 .callback = dmi_matched,
223                 .ident = "ASUSTeK COMPUTER INC. X550CA",
224                 .matches = {
225                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
226                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
227                 },
228                 .driver_data = &quirk_asus_wapf4,
229         },
230         {
231                 .callback = dmi_matched,
232                 .ident = "ASUSTeK COMPUTER INC. X550CC",
233                 .matches = {
234                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
235                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
236                 },
237                 .driver_data = &quirk_asus_wapf4,
238         },
239         {
240                 .callback = dmi_matched,
241                 .ident = "ASUSTeK COMPUTER INC. X550CL",
242                 .matches = {
243                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
244                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
245                 },
246                 .driver_data = &quirk_asus_wapf4,
247         },
248         {
249                 .callback = dmi_matched,
250                 .ident = "ASUSTeK COMPUTER INC. X550VB",
251                 .matches = {
252                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
253                         DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
254                 },
255                 .driver_data = &quirk_asus_wapf4,
256         },
257         {
258                 .callback = dmi_matched,
259                 .ident = "ASUSTeK COMPUTER INC. X551CA",
260                 .matches = {
261                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
262                         DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
263                 },
264                 .driver_data = &quirk_asus_wapf4,
265         },
266         {
267                 .callback = dmi_matched,
268                 .ident = "ASUSTeK COMPUTER INC. X55A",
269                 .matches = {
270                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
271                         DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
272                 },
273                 .driver_data = &quirk_asus_wapf4,
274         },
275         {
276                 .callback = dmi_matched,
277                 .ident = "ASUSTeK COMPUTER INC. X55C",
278                 .matches = {
279                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
280                         DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
281                 },
282                 .driver_data = &quirk_asus_wapf4,
283         },
284         {
285                 .callback = dmi_matched,
286                 .ident = "ASUSTeK COMPUTER INC. X55U",
287                 .matches = {
288                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
289                         DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
290                 },
291                 .driver_data = &quirk_asus_x55u,
292         },
293         {
294                 .callback = dmi_matched,
295                 .ident = "ASUSTeK COMPUTER INC. X55VD",
296                 .matches = {
297                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
298                         DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
299                 },
300                 .driver_data = &quirk_asus_wapf4,
301         },
302         {
303                 .callback = dmi_matched,
304                 .ident = "ASUSTeK COMPUTER INC. X75A",
305                 .matches = {
306                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
307                         DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
308                 },
309                 .driver_data = &quirk_asus_wapf4,
310         },
311         {
312                 .callback = dmi_matched,
313                 .ident = "ASUSTeK COMPUTER INC. X75VBP",
314                 .matches = {
315                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
316                         DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
317                 },
318                 .driver_data = &quirk_asus_wapf4,
319         },
320         {
321                 .callback = dmi_matched,
322                 .ident = "ASUSTeK COMPUTER INC. X75VD",
323                 .matches = {
324                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
325                         DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
326                 },
327                 .driver_data = &quirk_asus_wapf4,
328         },
329         {
330                 .callback = dmi_matched,
331                 .ident = "ASUSTeK COMPUTER INC. 1015E",
332                 .matches = {
333                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
334                         DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
335                 },
336                 .driver_data = &quirk_asus_wapf4,
337         },
338         {
339                 .callback = dmi_matched,
340                 .ident = "ASUSTeK COMPUTER INC. 1015U",
341                 .matches = {
342                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
343                         DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
344                 },
345                 .driver_data = &quirk_asus_wapf4,
346         },
347         {
348                 .callback = dmi_matched,
349                 .ident = "ASUSTeK COMPUTER INC. X200CA",
350                 .matches = {
351                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
352                         DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
353                 },
354                 .driver_data = &quirk_asus_x200ca,
355         },
356         {
357                 .callback = dmi_matched,
358                 .ident = "ASUSTeK COMPUTER INC. X555UB",
359                 .matches = {
360                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
361                         DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"),
362                 },
363                 .driver_data = &quirk_no_rfkill,
364         },
365         {
366                 .callback = dmi_matched,
367                 .ident = "ASUSTeK COMPUTER INC. N552VW",
368                 .matches = {
369                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
370                         DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"),
371                 },
372                 .driver_data = &quirk_no_rfkill,
373         },
374         {
375                 .callback = dmi_matched,
376                 .ident = "ASUSTeK COMPUTER INC. U303LB",
377                 .matches = {
378                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
379                         DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"),
380                 },
381                 .driver_data = &quirk_no_rfkill,
382         },
383         {
384                 .callback = dmi_matched,
385                 .ident = "ASUSTeK COMPUTER INC. Z550MA",
386                 .matches = {
387                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
388                         DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"),
389                 },
390                 .driver_data = &quirk_no_rfkill,
391         },
392         {
393                 .callback = dmi_matched,
394                 .ident = "ASUSTeK COMPUTER INC. UX303UB",
395                 .matches = {
396                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
397                         DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
398                 },
399                 .driver_data = &quirk_asus_ux303ub,
400         },
401         {},
402 };
403
404 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
405 {
406         int ret;
407
408         quirks = &quirk_asus_unknown;
409         dmi_check_system(asus_quirks);
410
411         driver->quirks = quirks;
412         driver->panel_power = FB_BLANK_UNBLANK;
413
414         /* overwrite the wapf setting if the wapf paramater is specified */
415         if (wapf != -1)
416                 quirks->wapf = wapf;
417         else
418                 wapf = quirks->wapf;
419
420         if (quirks->i8042_filter) {
421                 ret = i8042_install_filter(quirks->i8042_filter);
422                 if (ret) {
423                         pr_warn("Unable to install key filter\n");
424                         return;
425                 }
426                 pr_info("Using i8042 filter function for receiving events\n");
427         }
428 }
429
430 static const struct key_entry asus_nb_wmi_keymap[] = {
431         { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
432         { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
433         { KE_KEY, 0x30, { KEY_VOLUMEUP } },
434         { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
435         { KE_KEY, 0x32, { KEY_MUTE } },
436         { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
437         { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
438         { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
439         { KE_KEY, 0x41, { KEY_NEXTSONG } },
440         { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
441         { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
442         { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
443         { KE_KEY, 0x50, { KEY_EMAIL } },
444         { KE_KEY, 0x51, { KEY_WWW } },
445         { KE_KEY, 0x55, { KEY_CALC } },
446         { KE_IGNORE, 0x57, },  /* Battery mode */
447         { KE_IGNORE, 0x58, },  /* AC mode */
448         { KE_KEY, 0x5C, { KEY_F15 } },  /* Power Gear key */
449         { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
450         { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
451         { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
452         { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
453         { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
454         { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
455         { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
456         { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
457         { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
458         { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
459         { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
460         { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
461         { KE_IGNORE, 0x6E, },  /* Low Battery notification */
462         { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
463         { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
464         { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
465         { KE_KEY, 0x82, { KEY_CAMERA } },
466         { KE_KEY, 0x88, { KEY_RFKILL  } }, /* Radio Toggle Key */
467         { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
468         { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
469         { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
470         { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
471         { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
472         { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
473         { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
474         { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
475         { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
476         { KE_KEY, 0x95, { KEY_MEDIA } },
477         { KE_KEY, 0x99, { KEY_PHONE } },
478         { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
479         { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
480         { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
481         { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
482         { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
483         { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
484         { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
485         { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
486         { KE_KEY, 0xB5, { KEY_CALC } },
487         { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
488         { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
489         { KE_IGNORE, 0xC6, },  /* Ambient Light Sensor notification */
490         { KE_END, 0},
491 };
492
493 static struct asus_wmi_driver asus_nb_wmi_driver = {
494         .name = ASUS_NB_WMI_FILE,
495         .owner = THIS_MODULE,
496         .event_guid = ASUS_NB_WMI_EVENT_GUID,
497         .keymap = asus_nb_wmi_keymap,
498         .input_name = "Asus WMI hotkeys",
499         .input_phys = ASUS_NB_WMI_FILE "/input0",
500         .detect_quirks = asus_nb_wmi_quirks,
501 };
502
503
504 static int __init asus_nb_wmi_init(void)
505 {
506         return asus_wmi_register_driver(&asus_nb_wmi_driver);
507 }
508
509 static void __exit asus_nb_wmi_exit(void)
510 {
511         asus_wmi_unregister_driver(&asus_nb_wmi_driver);
512 }
513
514 module_init(asus_nb_wmi_init);
515 module_exit(asus_nb_wmi_exit);