drivers/platform/x86/asus-wmi.h

   1 /*
   2  * Asus PC WMI hotkey driver
   3  *
   4  * Copyright(C) 2010 Intel Corporation.
   5  * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
   6  *
   7  * Portions based on wistron_btns.c:
   8  * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
   9  * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
  10  * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
  11  *
  12  *  This program is free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25  */
  26
  27 #ifndef _ASUS_WMI_H_
  28 #define _ASUS_WMI_H_
  29
  30 #include <linux/platform_device.h>
  31
  32 #define ASUS_WMI_KEY_IGNORE (-1)
  33 #define ASUS_WMI_BRN_DOWN       0x20
  34 #define ASUS_WMI_BRN_UP         0x2f
  35
  36 struct module;
  37 struct key_entry;
  38 struct asus_wmi;
  39
  40 struct quirk_entry {
  41         bool hotplug_wireless;
  42         bool scalar_panel_brightness;
  43         bool store_backlight_power;
  44         bool wmi_backlight_power;
  45         int wapf;
  46         /*
  47          * For machines with AMD graphic chips, it will send out WMI event
  48          * and ACPI interrupt at the same time while hitting the hotkey.
  49          * To simplify the problem, we just have to ignore the WMI event,
  50          * and let the ACPI interrupt to send out the key event.
  51          */
  52         int no_display_toggle;
  53 };
  54
  55 struct asus_wmi_driver {
  56         int                     brightness;
  57         int                     panel_power;
  58         int                     wlan_ctrl_by_user;
  59
  60         const char              *name;
  61         struct module           *owner;
  62
  63         const char              *event_guid;
  64
  65         const struct key_entry  *keymap;
  66         const char              *input_name;
  67         const char              *input_phys;
  68         struct quirk_entry      *quirks;
  69         /* Returns new code, value, and autorelease values in arguments.
  70          * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
  71         void (*key_filter) (struct asus_wmi_driver *driver, int *code,
  72                             unsigned int *value, bool *autorelease);
  73
  74         int (*probe) (struct platform_device *device);
  75         void (*detect_quirks) (struct asus_wmi_driver *driver);
  76
  77         struct platform_driver  platform_driver;
  78         struct platform_device *platform_device;
  79 };
  80
  81 int asus_wmi_register_driver(struct asus_wmi_driver *driver);
  82 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
  83
  84 #endif /* !_ASUS_WMI_H_ */