LXR linux/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
  36struct module;
  37struct key_entry;
  38struct asus_wmi;
  39
  40struct 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
  55struct 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
  81int asus_wmi_register_driver(struct asus_wmi_driver *driver);
  82void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
  83
  84#endif /* !_ASUS_WMI_H_ */
  85