firmware/target/arm/as3525/backlight-e200v2-fuze.c

   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 #include "config.h"
  22 #include "backlight-target.h"
  23 #include "system.h"
  24 #include "lcd.h"
  25 #include "backlight.h"
  26 #include "ascodec-target.h"
  27 #include "as3514.h"
  28
  29 int buttonlight_is_on = 0;
  30
  31 void _backlight_set_brightness(int brightness)
  32 {
  33     ascodec_write(AS3514_DCDC15, brightness);
  34 }
  35
  36 void _backlight_on(void)
  37 {
  38 #ifdef HAVE_LCD_ENABLE
  39     lcd_enable(true); /* power on lcd + visible display */
  40 #endif
  41 #if (CONFIG_BACKLIGHT_FADING != BACKLIGHT_FADING_SW_SETTING) /* in bootloader/sim */
  42     /* if we set the brightness to the settings value, then fading up
  43      * is glitchy */
  44     ascodec_write(AS3514_DCDC15, backlight_brightness);
  45 #endif
  46 }
  47
  48 void _backlight_off(void)
  49 {
  50     ascodec_write(AS3514_DCDC15, 0x0);
  51 #ifdef HAVE_LCD_ENABLE
  52     lcd_enable(false); /* power off visible display */
  53 #endif
  54 }
  55
  56 void _buttonlight_on(void)
  57 {
  58     /* Needed for buttonlight and MicroSD to work at the same time */
  59     /* Turn ROD control on, as the OF does */
  60     GPIOD_DIR |= (1<<7);
  61     SD_MCI_POWER |= (1<<7);
  62     GPIOD_PIN(7) = (1<<7);
  63     buttonlight_is_on = 1;
  64 }
  65
  66 void _buttonlight_off(void)
  67 {
  68     /* Needed for buttonlight and MicroSD to work at the same time */
  69     /* Turn ROD control off, as the OF does */
  70     SD_MCI_POWER &= ~(1<<7);
  71     GPIOD_PIN(7) = 0;
  72     GPIOD_DIR &= ~(1<<7);
  73     buttonlight_is_on = 0;
  74 }