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
  29 #include "asus-wmi.h"
  30
  31 #define ASUS_NB_WMI_FILE        "asus-nb-wmi"
  32
  33 MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>");
  34 MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
  35 MODULE_LICENSE("GPL");
  36
  37 #define ASUS_NB_WMI_EVENT_GUID  "0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
  38
  39 MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
  40
  41 /*
  42  * WAPF defines the behavior of the Fn+Fx wlan key
  43  * The significance of values is yet to be found, but
  44  * most of the time:
  45  * Bit | Bluetooth | WLAN
  46  *  0  | Hardware  | Hardware
  47  *  1  | Hardware  | Software
  48  *  4  | Software  | Software
  49  */
  50 static uint wapf;
  51 module_param(wapf, uint, 0444);
  52 MODULE_PARM_DESC(wapf, "WAPF value");
  53
  54 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
  55 {
  56         driver->wapf = wapf;
  57 }
  58
  59 static const struct key_entry asus_nb_wmi_keymap[] = {
  60         { KE_KEY, 0x30, { KEY_VOLUMEUP } },
  61         { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
  62         { KE_KEY, 0x32, { KEY_MUTE } },
  63         { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
  64         { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
  65         { KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
  66         { KE_KEY, 0x41, { KEY_NEXTSONG } },
  67         { KE_KEY, 0x43, { KEY_STOPCD } },
  68         { KE_KEY, 0x45, { KEY_PLAYPAUSE } },
  69         { KE_KEY, 0x4c, { KEY_MEDIA } },
  70         { KE_KEY, 0x50, { KEY_EMAIL } },
  71         { KE_KEY, 0x51, { KEY_WWW } },
  72         { KE_KEY, 0x55, { KEY_CALC } },
  73         { KE_KEY, 0x5C, { KEY_F15 } },  /* Power Gear key */
  74         { KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
  75         { KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
  76         { KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
  77         { KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } },
  78         { KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } },
  79         { KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } },
  80         { KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } },
  81         { KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
  82         { KE_KEY, 0x7D, { KEY_BLUETOOTH } },
  83         { KE_KEY, 0x7E, { KEY_BLUETOOTH } },
  84         { KE_KEY, 0x82, { KEY_CAMERA } },
  85         { KE_KEY, 0x88, { KEY_RFKILL  } },
  86         { KE_KEY, 0x8A, { KEY_PROG1 } },
  87         { KE_KEY, 0x95, { KEY_MEDIA } },
  88         { KE_KEY, 0x99, { KEY_PHONE } },
  89         { KE_KEY, 0xb5, { KEY_CALC } },
  90         { KE_KEY, 0xc4, { KEY_KBDILLUMUP } },
  91         { KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } },
  92         { KE_END, 0},
  93 };
  94
  95 static struct asus_wmi_driver asus_nb_wmi_driver = {
  96         .name = ASUS_NB_WMI_FILE,
  97         .owner = THIS_MODULE,
  98         .event_guid = ASUS_NB_WMI_EVENT_GUID,
  99         .keymap = asus_nb_wmi_keymap,
 100         .input_name = "Asus WMI hotkeys",
 101         .input_phys = ASUS_NB_WMI_FILE "/input0",
 102         .quirks = asus_nb_wmi_quirks,
 103 };
 104
 105
 106 static int __init asus_nb_wmi_init(void)
 107 {
 108         return asus_wmi_register_driver(&asus_nb_wmi_driver);
 109 }
 110
 111 static void __exit asus_nb_wmi_exit(void)
 112 {
 113         asus_wmi_unregister_driver(&asus_nb_wmi_driver);
 114 }
 115
 116 module_init(asus_nb_wmi_init);
 117 module_exit(asus_nb_wmi_exit);