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
  31 #include "asus-wmi.h"
  32
  33 #define ASUS_NB_WMI_FILE        "asus-nb-wmi"
  34
  35 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
  36 MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
  37 MODULE_LICENSE("GPL");
  38
  39 #define ASUS_NB_WMI_EVENT_GUID  "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
  40
  41 MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
  42
  43 /*
  44  * WAPF defines the behavior of the Fn+Fx wlan key
  45  * The significance of values is yet to be found, but
  46  * most of the time:
  47  * Bit | Bluetooth | WLAN
  48  *  0  | Hardware  | Hardware
  49  *  1  | Hardware  | Software
  50  *  4  | Software  | Software
  51  */
  52 static int wapf = -1;
  53 module_param(wapf, uint, 0444);
  54 MODULE_PARM_DESC(wapf, "WAPF value");
  55
  56 static struct quirk_entry *quirks;
  57
  58 static struct quirk_entry quirk_asus_unknown = {
  59         .wapf = 0,
  60 };
  61
  62 /*
  63  * For those machines that need software to control bt/wifi status
  64  * and can't adjust brightness through ACPI interface
  65  * and have duplicate events(ACPI and WMI) for display toggle
  66  */
  67 static struct quirk_entry quirk_asus_x55u = {
  68         .wapf = 4,
  69         .wmi_backlight_power = true,
  70         .no_display_toggle = true,
  71 };
  72
  73 static struct quirk_entry quirk_asus_x401u = {
  74         .wapf = 4,
  75 };
  76
  77 static struct quirk_entry quirk_asus_x200ca = {
  78         .wapf = 2,
  79 };
  80
  81 static int dmi_matched(const struct dmi_system_id *dmi)
  82 {
  83         quirks = dmi->driver_data;
  84         return 1;
  85 }
  86
  87 static struct dmi_system_id asus_quirks[] = {
  88         {
  89                 .callback = dmi_matched,
  90                 .ident = "ASUSTeK COMPUTER INC. X401U",
  91                 .matches = {
  92                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  93                         DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
  94                 },
  95                 .driver_data = &quirk_asus_x55u,
  96         },
  97         {
  98                 .callback = dmi_matched,
  99                 .ident = "ASUSTeK COMPUTER INC. X401A",
 100                 .matches = {
 101                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 102                         DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
 103                 },
 104                 .driver_data = &quirk_asus_x401u,
 105         },
 106         {
 107                 .callback = dmi_matched,
 108                 .ident = "ASUSTeK COMPUTER INC. X401A1",
 109                 .matches = {
 110                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 111                         DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
 112                 },
 113                 .driver_data = &quirk_asus_x401u,
 114         },
 115         {
 116                 .callback = dmi_matched,
 117                 .ident = "ASUSTeK COMPUTER INC. X501U",
 118                 .matches = {
 119                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 120                         DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
 121                 },
 122                 .driver_data = &quirk_asus_x55u,
 123         },
 124         {
 125                 .callback = dmi_matched,
 126                 .ident = "ASUSTeK COMPUTER INC. X501A",
 127                 .matches = {
 128                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 129                         DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
 130                 },
 131                 .driver_data = &quirk_asus_x401u,
 132         },
 133         {
 134                 .callback = dmi_matched,
 135                 .ident = "ASUSTeK COMPUTER INC. X501A1",
 136                 .matches = {
 137                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 138                         DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
 139                 },
 140                 .driver_data = &quirk_asus_x401u,
 141         },
 142         {
 143                 .callback = dmi_matched,
 144                 .ident = "ASUSTeK COMPUTER INC. X550CA",
 145                 .matches = {
 146                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 147                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
 148                 },
 149                 .driver_data = &quirk_asus_x401u,
 150         },
 151         {
 152                 .callback = dmi_matched,
 153                 .ident = "ASUSTeK COMPUTER INC. X550CL",
 154                 .matches = {
 155                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 156                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
 157                 },
 158                 .driver_data = &quirk_asus_wapf4,
 159         },
 160         {
 161                 .callback = dmi_matched,
 162                 .ident = "ASUSTeK COMPUTER INC. X55A",
 163                 .matches = {
 164                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 165                         DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
 166                 },
 167                 .driver_data = &quirk_asus_x401u,
 168         },
 169         {
 170                 .callback = dmi_matched,
 171                 .ident = "ASUSTeK COMPUTER INC. X55C",
 172                 .matches = {
 173                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 174                         DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
 175                 },
 176                 .driver_data = &quirk_asus_x401u,
 177         },
 178         {
 179                 .callback = dmi_matched,
 180                 .ident = "ASUSTeK COMPUTER INC. X55U",
 181                 .matches = {
 182                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 183                         DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
 184                 },
 185                 .driver_data = &quirk_asus_x55u,
 186         },
 187         {
 188                 .callback = dmi_matched,
 189                 .ident = "ASUSTeK COMPUTER INC. X55VD",
 190                 .matches = {
 191                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 192                         DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
 193                 },
 194                 .driver_data = &quirk_asus_x401u,
 195         },
 196         {
 197                 .callback = dmi_matched,
 198                 .ident = "ASUSTeK COMPUTER INC. X75A",
 199                 .matches = {
 200                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 201                         DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
 202                 },
 203                 .driver_data = &quirk_asus_x401u,
 204         },
 205         {
 206                 .callback = dmi_matched,
 207                 .ident = "ASUSTeK COMPUTER INC. X75VBP",
 208                 .matches = {
 209                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 210                         DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
 211                 },
 212                 .driver_data = &quirk_asus_x401u,
 213         },
 214         {
 215                 .callback = dmi_matched,
 216                 .ident = "ASUSTeK COMPUTER INC. 1015E",
 217                 .matches = {
 218                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 219                         DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
 220                 },
 221                 .driver_data = &quirk_asus_x401u,
 222         },
 223         {
 224                 .callback = dmi_matched,
 225                 .ident = "ASUSTeK COMPUTER INC. 1015U",
 226                 .matches = {
 227                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 228                         DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
 229                 },
 230                 .driver_data = &quirk_asus_x401u,
 231         },
 232         {
 233                 .callback = dmi_matched,
 234                 .ident = "ASUSTeK COMPUTER INC. X200CA",
 235                 .matches = {
 236                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 237                         DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
 238                 },
 239                 .driver_data = &quirk_asus_x200ca,
 240         },
 241         {},
 242 };
 243
 244 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
 245 {
 246         quirks = &quirk_asus_unknown;
 247         dmi_check_system(asus_quirks);
 248
 249         driver->quirks = quirks;
 250         driver->panel_power = FB_BLANK_UNBLANK;
 251
 252         /* overwrite the wapf setting if the wapf paramater is specified */
 253         if (wapf != -1)
 254                 quirks->wapf = wapf;
 255         else
 256                 wapf = quirks->wapf;
 257 }
 258
 259 static const struct key_entry asus_nb_wmi_keymap[] = {
 260         { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
 261         { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
 262         { KE_KEY, 0x30, { KEY_VOLUMEUP } },
 263         { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
 264         { KE_KEY, 0x32, { KEY_MUTE } },
 265         { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
 266         { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
 267         { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
 268         { KE_KEY, 0x41, { KEY_NEXTSONG } },
 269         { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
 270         { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
 271         { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
 272         { KE_KEY, 0x50, { KEY_EMAIL } },
 273         { KE_KEY, 0x51, { KEY_WWW } },
 274         { KE_KEY, 0x55, { KEY_CALC } },
 275         { KE_IGNORE, 0x57, },  /* Battery mode */
 276         { KE_IGNORE, 0x58, },  /* AC mode */
 277         { KE_KEY, 0x5C, { KEY_F15 } },  /* Power Gear key */
 278         { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
 279         { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
 280         { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
 281         { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
 282         { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
 283         { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
 284         { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
 285         { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
 286         { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
 287         { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
 288         { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
 289         { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
 290         { KE_IGNORE, 0x6E, },  /* Low Battery notification */
 291         { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
 292         { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
 293         { KE_KEY, 0x82, { KEY_CAMERA } },
 294         { KE_KEY, 0x88, { KEY_RFKILL  } }, /* Radio Toggle Key */
 295         { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
 296         { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
 297         { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
 298         { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
 299         { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
 300         { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
 301         { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
 302         { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
 303         { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
 304         { KE_KEY, 0x95, { KEY_MEDIA } },
 305         { KE_KEY, 0x99, { KEY_PHONE } },
 306         { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
 307         { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
 308         { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
 309         { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
 310         { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
 311         { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
 312         { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
 313         { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
 314         { KE_KEY, 0xB5, { KEY_CALC } },
 315         { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
 316         { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
 317         { KE_IGNORE, 0xC6, },  /* Ambient Light Sensor notification */
 318         { KE_END, 0},
 319 };
 320
 321 static struct asus_wmi_driver asus_nb_wmi_driver = {
 322         .name = ASUS_NB_WMI_FILE,
 323         .owner = THIS_MODULE,
 324         .event_guid = ASUS_NB_WMI_EVENT_GUID,
 325         .keymap = asus_nb_wmi_keymap,
 326         .input_name = "Asus WMI hotkeys",
 327         .input_phys = ASUS_NB_WMI_FILE "/input0",
 328         .detect_quirks = asus_nb_wmi_quirks,
 329 };
 330
 331
 332 static int __init asus_nb_wmi_init(void)
 333 {
 334         return asus_wmi_register_driver(&asus_nb_wmi_driver);
 335 }
 336
 337 static void __exit asus_nb_wmi_exit(void)
 338 {
 339         asus_wmi_unregister_driver(&asus_nb_wmi_driver);
 340 }
 341
 342 module_init(asus_nb_wmi_init);
 343 module_exit(asus_nb_wmi_exit);