/*************************************************************************** * __________ __ ___. * 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); }