48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Jens Arnold
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef BACKLIGHT_TARGET_H
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#define BACKLIGHT_TARGET_H
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#include "config.h"
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#include "cpu.h"
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#ifdef HAVE_BACKLIGHT
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/* A stock Ondio has no backlight, it needs a hardware mod. */
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static inline bool __backlight_init(void)
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{
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PACR1 &= ~0x3000; /* Set PA14 (backlight control) to GPIO */
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or_b(0x40, &PADRH); /* drive it high */
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or_b(0x40, &PAIORH); /* ..and output */
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return true;
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}
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static inline void __backlight_on(void)
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{
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or_b(0x40, &PADRH); /* drive it high */
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}
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static inline void __backlight_off(void)
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{
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and_b(~0x40, &PADRH); /* drive it low */
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}
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#endif /* HAVE_BACKLIGHT */
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#endif
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