firmware/target/arm/s3c2440/gigabeat-fx/backlight-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Linus Nielsen Feltzing
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef BACKLIGHT_TARGET_H
  22 #define BACKLIGHT_TARGET_H
  23
  24 /* Use these to set the buttonlight mode */
  25 enum buttonlight_mode
  26 {
  27     /* ON follows the setting */
  28     BUTTONLIGHT_ON,
  29
  30     /* buttonlights always off */
  31     BUTTONLIGHT_OFF,
  32
  33     /* buttonlights follow backlight */
  34     BUTTONLIGHT_FOLLOW
  35 };
  36
  37 /* Call this to flicker or signal the button lights. Only is effective for
  38  * modes that take a trigger input.
  39  */
  40 void __buttonlight_trigger(void);
  41
  42 /* map the mode from the command into the state machine entries */
  43 /* See enum buttonlight_mode for available functions */
  44 void __buttonlight_mode(enum buttonlight_mode mode);
  45
  46 bool _backlight_init(void);
  47 void _backlight_on(void);
  48 void _backlight_off(void);
  49 void _backlight_set_brightness(int brightness);
  50
  51 void _buttonlight_set_brightness(int brightness);
  52 void _buttonlight_on(void);
  53 void _buttonlight_off(void);
  54 #endif