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_wapf4 = {
  74         .wapf = 4,
  75 };
  76
  77 static struct quirk_entry quirk_asus_x200ca = {
  78         .wapf = 2,
  79 };
  80
  81 static struct quirk_entry quirk_no_rfkill = {
  82         .no_rfkill = true,
  83 };
  84
  85 static struct quirk_entry quirk_no_rfkill_wapf4 = {
  86         .wapf = 4,
  87         .no_rfkill = true,
  88 };
  89
  90 static int dmi_matched(const struct dmi_system_id *dmi)
  91 {
  92         quirks = dmi->driver_data;
  93         return 1;
  94 }
  95
  96 static const struct dmi_system_id asus_quirks[] = {
  97         {
  98                 .callback = dmi_matched,
  99                 .ident = "ASUSTeK COMPUTER INC. U32U",
 100                 .matches = {
 101                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
 102                         DMI_MATCH(DMI_PRODUCT_NAME, "U32U"),
 103                 },
 104                 /*
 105                  * Note this machine has a Brazos APU, and most Brazos Asus
 106                  * machines need quirk_asus_x55u / wmi_backlight_power but
 107                  * here acpi-video seems to work fine for backlight control.
 108                  */
 109                 .driver_data = &quirk_asus_wapf4,
 110         },
 111         {
 112                 .callback = dmi_matched,
 113                 .ident = "ASUSTeK COMPUTER INC. X401U",
 114                 .matches = {
 115                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 116                         DMI_MATCH(DMI_PRODUCT_NAME, "X401U"),
 117                 },
 118                 .driver_data = &quirk_asus_x55u,
 119         },
 120         {
 121                 .callback = dmi_matched,
 122                 .ident = "ASUSTeK COMPUTER INC. X401A",
 123                 .matches = {
 124                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 125                         DMI_MATCH(DMI_PRODUCT_NAME, "X401A"),
 126                 },
 127                 .driver_data = &quirk_asus_wapf4,
 128         },
 129         {
 130                 .callback = dmi_matched,
 131                 .ident = "ASUSTeK COMPUTER INC. X401A1",
 132                 .matches = {
 133                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 134                         DMI_MATCH(DMI_PRODUCT_NAME, "X401A1"),
 135                 },
 136                 .driver_data = &quirk_asus_wapf4,
 137         },
 138         {
 139                 .callback = dmi_matched,
 140                 .ident = "ASUSTeK COMPUTER INC. X456UA",
 141                 .matches = {
 142                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 143                         DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
 144                 },
 145                 .driver_data = &quirk_no_rfkill_wapf4,
 146         },
 147         {
 148                 .callback = dmi_matched,
 149                 .ident = "ASUSTeK COMPUTER INC. X456UF",
 150                 .matches = {
 151                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 152                         DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
 153                 },
 154                 .driver_data = &quirk_no_rfkill_wapf4,
 155         },
 156         {
 157                 .callback = dmi_matched,
 158                 .ident = "ASUSTeK COMPUTER INC. X501U",
 159                 .matches = {
 160                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 161                         DMI_MATCH(DMI_PRODUCT_NAME, "X501U"),
 162                 },
 163                 .driver_data = &quirk_asus_x55u,
 164         },
 165         {
 166                 .callback = dmi_matched,
 167                 .ident = "ASUSTeK COMPUTER INC. X501A",
 168                 .matches = {
 169                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 170                         DMI_MATCH(DMI_PRODUCT_NAME, "X501A"),
 171                 },
 172                 .driver_data = &quirk_asus_wapf4,
 173         },
 174         {
 175                 .callback = dmi_matched,
 176                 .ident = "ASUSTeK COMPUTER INC. X501A1",
 177                 .matches = {
 178                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 179                         DMI_MATCH(DMI_PRODUCT_NAME, "X501A1"),
 180                 },
 181                 .driver_data = &quirk_asus_wapf4,
 182         },
 183         {
 184                 .callback = dmi_matched,
 185                 .ident = "ASUSTeK COMPUTER INC. X550CA",
 186                 .matches = {
 187                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 188                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CA"),
 189                 },
 190                 .driver_data = &quirk_asus_wapf4,
 191         },
 192         {
 193                 .callback = dmi_matched,
 194                 .ident = "ASUSTeK COMPUTER INC. X550CC",
 195                 .matches = {
 196                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 197                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CC"),
 198                 },
 199                 .driver_data = &quirk_asus_wapf4,
 200         },
 201         {
 202                 .callback = dmi_matched,
 203                 .ident = "ASUSTeK COMPUTER INC. X550CL",
 204                 .matches = {
 205                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 206                         DMI_MATCH(DMI_PRODUCT_NAME, "X550CL"),
 207                 },
 208                 .driver_data = &quirk_asus_wapf4,
 209         },
 210         {
 211                 .callback = dmi_matched,
 212                 .ident = "ASUSTeK COMPUTER INC. X550VB",
 213                 .matches = {
 214                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 215                         DMI_MATCH(DMI_PRODUCT_NAME, "X550VB"),
 216                 },
 217                 .driver_data = &quirk_asus_wapf4,
 218         },
 219         {
 220                 .callback = dmi_matched,
 221                 .ident = "ASUSTeK COMPUTER INC. X551CA",
 222                 .matches = {
 223                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 224                         DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"),
 225                 },
 226                 .driver_data = &quirk_asus_wapf4,
 227         },
 228         {
 229                 .callback = dmi_matched,
 230                 .ident = "ASUSTeK COMPUTER INC. X55A",
 231                 .matches = {
 232                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 233                         DMI_MATCH(DMI_PRODUCT_NAME, "X55A"),
 234                 },
 235                 .driver_data = &quirk_asus_wapf4,
 236         },
 237         {
 238                 .callback = dmi_matched,
 239                 .ident = "ASUSTeK COMPUTER INC. X55C",
 240                 .matches = {
 241                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 242                         DMI_MATCH(DMI_PRODUCT_NAME, "X55C"),
 243                 },
 244                 .driver_data = &quirk_asus_wapf4,
 245         },
 246         {
 247                 .callback = dmi_matched,
 248                 .ident = "ASUSTeK COMPUTER INC. X55U",
 249                 .matches = {
 250                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 251                         DMI_MATCH(DMI_PRODUCT_NAME, "X55U"),
 252                 },
 253                 .driver_data = &quirk_asus_x55u,
 254         },
 255         {
 256                 .callback = dmi_matched,
 257                 .ident = "ASUSTeK COMPUTER INC. X55VD",
 258                 .matches = {
 259                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 260                         DMI_MATCH(DMI_PRODUCT_NAME, "X55VD"),
 261                 },
 262                 .driver_data = &quirk_asus_wapf4,
 263         },
 264         {
 265                 .callback = dmi_matched,
 266                 .ident = "ASUSTeK COMPUTER INC. X75A",
 267                 .matches = {
 268                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 269                         DMI_MATCH(DMI_PRODUCT_NAME, "X75A"),
 270                 },
 271                 .driver_data = &quirk_asus_wapf4,
 272         },
 273         {
 274                 .callback = dmi_matched,
 275                 .ident = "ASUSTeK COMPUTER INC. X75VBP",
 276                 .matches = {
 277                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 278                         DMI_MATCH(DMI_PRODUCT_NAME, "X75VBP"),
 279                 },
 280                 .driver_data = &quirk_asus_wapf4,
 281         },
 282         {
 283                 .callback = dmi_matched,
 284                 .ident = "ASUSTeK COMPUTER INC. X75VD",
 285                 .matches = {
 286                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 287                         DMI_MATCH(DMI_PRODUCT_NAME, "X75VD"),
 288                 },
 289                 .driver_data = &quirk_asus_wapf4,
 290         },
 291         {
 292                 .callback = dmi_matched,
 293                 .ident = "ASUSTeK COMPUTER INC. 1015E",
 294                 .matches = {
 295                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 296                         DMI_MATCH(DMI_PRODUCT_NAME, "1015E"),
 297                 },
 298                 .driver_data = &quirk_asus_wapf4,
 299         },
 300         {
 301                 .callback = dmi_matched,
 302                 .ident = "ASUSTeK COMPUTER INC. 1015U",
 303                 .matches = {
 304                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 305                         DMI_MATCH(DMI_PRODUCT_NAME, "1015U"),
 306                 },
 307                 .driver_data = &quirk_asus_wapf4,
 308         },
 309         {
 310                 .callback = dmi_matched,
 311                 .ident = "ASUSTeK COMPUTER INC. X200CA",
 312                 .matches = {
 313                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 314                         DMI_MATCH(DMI_PRODUCT_NAME, "X200CA"),
 315                 },
 316                 .driver_data = &quirk_asus_x200ca,
 317         },
 318         {
 319                 .callback = dmi_matched,
 320                 .ident = "ASUSTeK COMPUTER INC. X555UB",
 321                 .matches = {
 322                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 323                         DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"),
 324                 },
 325                 .driver_data = &quirk_no_rfkill,
 326         },
 327         {
 328                 .callback = dmi_matched,
 329                 .ident = "ASUSTeK COMPUTER INC. N552VW",
 330                 .matches = {
 331                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 332                         DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"),
 333                 },
 334                 .driver_data = &quirk_no_rfkill,
 335         },
 336         {
 337                 .callback = dmi_matched,
 338                 .ident = "ASUSTeK COMPUTER INC. U303LB",
 339                 .matches = {
 340                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 341                         DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"),
 342                 },
 343                 .driver_data = &quirk_no_rfkill,
 344         },
 345         {
 346                 .callback = dmi_matched,
 347                 .ident = "ASUSTeK COMPUTER INC. Z550MA",
 348                 .matches = {
 349                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
 350                         DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"),
 351                 },
 352                 .driver_data = &quirk_no_rfkill,
 353         },
 354         {},
 355 };
 356
 357 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
 358 {
 359         quirks = &quirk_asus_unknown;
 360         dmi_check_system(asus_quirks);
 361
 362         driver->quirks = quirks;
 363         driver->panel_power = FB_BLANK_UNBLANK;
 364
 365         /* overwrite the wapf setting if the wapf paramater is specified */
 366         if (wapf != -1)
 367                 quirks->wapf = wapf;
 368         else
 369                 wapf = quirks->wapf;
 370 }
 371
 372 static const struct key_entry asus_nb_wmi_keymap[] = {
 373         { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } },
 374         { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } },
 375         { KE_KEY, 0x30, { KEY_VOLUMEUP } },
 376         { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
 377         { KE_KEY, 0x32, { KEY_MUTE } },
 378         { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
 379         { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
 380         { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
 381         { KE_KEY, 0x41, { KEY_NEXTSONG } },
 382         { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */
 383         { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
 384         { KE_KEY, 0x4c, { KEY_MEDIA } }, /* WMP Key */
 385         { KE_KEY, 0x50, { KEY_EMAIL } },
 386         { KE_KEY, 0x51, { KEY_WWW } },
 387         { KE_KEY, 0x55, { KEY_CALC } },
 388         { KE_IGNORE, 0x57, },  /* Battery mode */
 389         { KE_IGNORE, 0x58, },  /* AC mode */
 390         { KE_KEY, 0x5C, { KEY_F15 } },  /* Power Gear key */
 391         { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
 392         { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
 393         { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
 394         { KE_KEY, 0x60, { KEY_TOUCHPAD_ON } },
 395         { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD only */
 396         { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT only */
 397         { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT */
 398         { KE_KEY, 0x64, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV */
 399         { KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */
 400         { KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */
 401         { KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */
 402         { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
 403         { KE_IGNORE, 0x6E, },  /* Low Battery notification */
 404         { KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
 405         { KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
 406         { KE_KEY, 0x7E, { KEY_BLUETOOTH } }, /* Bluetooth Disable */
 407         { KE_KEY, 0x82, { KEY_CAMERA } },
 408         { KE_KEY, 0x88, { KEY_RFKILL  } }, /* Radio Toggle Key */
 409         { KE_KEY, 0x8A, { KEY_PROG1 } }, /* Color enhancement mode */
 410         { KE_KEY, 0x8C, { KEY_SWITCHVIDEOMODE } }, /* SDSP DVI only */
 411         { KE_KEY, 0x8D, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + DVI */
 412         { KE_KEY, 0x8E, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + DVI */
 413         { KE_KEY, 0x8F, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + DVI */
 414         { KE_KEY, 0x90, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + DVI */
 415         { KE_KEY, 0x91, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + DVI */
 416         { KE_KEY, 0x92, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + DVI */
 417         { KE_KEY, 0x93, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + DVI */
 418         { KE_KEY, 0x95, { KEY_MEDIA } },
 419         { KE_KEY, 0x99, { KEY_PHONE } },
 420         { KE_KEY, 0xA0, { KEY_SWITCHVIDEOMODE } }, /* SDSP HDMI only */
 421         { KE_KEY, 0xA1, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + HDMI */
 422         { KE_KEY, 0xA2, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + HDMI */
 423         { KE_KEY, 0xA3, { KEY_SWITCHVIDEOMODE } }, /* SDSP TV + HDMI */
 424         { KE_KEY, 0xA4, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + HDMI */
 425         { KE_KEY, 0xA5, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV + HDMI */
 426         { KE_KEY, 0xA6, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV + HDMI */
 427         { KE_KEY, 0xA7, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV + HDMI */
 428         { KE_KEY, 0xB5, { KEY_CALC } },
 429         { KE_KEY, 0xC4, { KEY_KBDILLUMUP } },
 430         { KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
 431         { KE_IGNORE, 0xC6, },  /* Ambient Light Sensor notification */
 432         { KE_END, 0},
 433 };
 434
 435 static struct asus_wmi_driver asus_nb_wmi_driver = {
 436         .name = ASUS_NB_WMI_FILE,
 437         .owner = THIS_MODULE,
 438         .event_guid = ASUS_NB_WMI_EVENT_GUID,
 439         .keymap = asus_nb_wmi_keymap,
 440         .input_name = "Asus WMI hotkeys",
 441         .input_phys = ASUS_NB_WMI_FILE "/input0",
 442         .detect_quirks = asus_nb_wmi_quirks,
 443 };
 444
 445
 446 static int __init asus_nb_wmi_init(void)
 447 {
 448         return asus_wmi_register_driver(&asus_nb_wmi_driver);
 449 }
 450
 451 static void __exit asus_nb_wmi_exit(void)
 452 {
 453         asus_wmi_unregister_driver(&asus_nb_wmi_driver);
 454 }
 455
 456 module_init(asus_nb_wmi_init);
 457 module_exit(asus_nb_wmi_exit);