rockbox/firmware/target/coldfire/iaudio/x5/backlight-x5.c
Linus Nielsen Feltzing 40a3fd6938 Remote LCD communication driver for X5, very loosely based on patch FS#5634 by Rani Hod
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10331 a1c6a512-1295-4272-9138-f99709370657
2006-07-26 13:38:31 +00:00

47 lines
1.5 KiB
C
Executable file

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include "system.h"
#include "backlight.h"
#include "pcf50606.h"
void __backlight_on(void)
{
int level = set_irq_level(HIGHEST_IRQ_LEVEL);
pcf50606_write(0x38, 0xb0); /* Backlight ON, GPO1INV=1, GPO1ACT=011 */
set_irq_level(level);
}
void __backlight_off(void)
{
int level = set_irq_level(HIGHEST_IRQ_LEVEL);
pcf50606_write(0x38, 0x80); /* Backlight OFF, GPO1INV=1, GPO1ACT=000 */
set_irq_level(level);
}
void __remote_backlight_on(void)
{
and_l(~0x00200000, &GPIO_OUT);
}
void __remote_backlight_off(void)
{
or_l(0x00200000, &GPIO_OUT);
}