firmware/target/arm/ipod/backlight-target.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Barry Wardell
  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 #if defined(IPOD_VIDEO) || defined(IPOD_NANO)
  25
  26 bool _backlight_init(void);
  27 void _backlight_set_brightness(int val);
  28 void _backlight_led_on(void);
  29 void _backlight_led_off(void);
  30 void _backlight_hw_enable(bool on);
  31
  32 #ifdef BOOTLOADER
  33 #define _backlight_on()  do { _backlight_hw_enable(true); \
  34                               _backlight_led_on(); } while(0)
  35 #define _backlight_off() do { _backlight_led_off(); \
  36                               _backlight_hw_enable(false); } while(0)
  37 #else /* !BOOTLOADER */
  38 #define _backlight_on_isr() _backlight_led_on()
  39 #define _backlight_off_isr() _backlight_led_off()
  40 #define _backlight_on_normal()  do { _backlight_hw_enable(true); \
  41                                      _backlight_led_on(); } while(0)
  42 #define _backlight_off_normal() do { _backlight_led_off(); \
  43                                      _backlight_hw_enable(false); } while(0)
  44 #define _BACKLIGHT_FADE_ENABLE
  45 #endif /* !BOOTLOADER */
  46
  47 #elif defined(IPOD_4G) || defined(IPOD_COLOR)
  48
  49 bool _backlight_init(void);
  50 void _backlight_on(void);
  51 void _backlight_off(void);
  52
  53 /* Mini G1, G2, Video, Nano */
  54 #elif (CONFIG_BACKLIGHT_FADING == BACKLIGHT_FADING_PWM) || defined(BOOTLOADER)
  55
  56 #define _backlight_init() true
  57 void _backlight_hw_on(void);
  58 void _backlight_hw_off(void);
  59
  60 #ifdef BOOTLOADER
  61 #define _backlight_on() _backlight_hw_on()
  62 #define _backlight_off() _backlight_hw_off()
  63 #else
  64 #define _backlight_on_isr() _backlight_hw_on()
  65 #define _backlight_off_isr() _backlight_hw_off()
  66 #define _backlight_on_normal() _backlight_hw_on()
  67 #define _backlight_off_normal() _backlight_hw_off()
  68 #endif
  69
  70 #else /* G1, G2, G3 */
  71
  72 #define _backlight_init() true
  73 void _backlight_on(void);
  74 void _backlight_off(void);
  75 #endif
  76
  77 #endif