rockbox/firmware/drivers/dac.h
Linus Nielsen Feltzing 5407edc5ad Another strike against the evil distortion problem
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1732 a1c6a512-1295-4272-9138-f99709370657
2002-08-14 12:54:38 +00:00

39 lines
1.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 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.
*
****************************************************************************/
#ifndef _DAC_H_
#define _DAC_H_
/*
DAC I2C defs
*/
#define DAC_ADR 0x9a
#define DAC_DEV_WRITE (DAC_ADR | 0x00)
#define DAC_REG_WRITE 0xc0
/* registers..*/
#define DAC_SR_REG 1
#define DAC_AVOL 2
#define DAC_GCFG 3
extern int dac_volume(unsigned int left, unsigned int right, bool deemph);
extern int dac_config(int value);
extern void dac_init(void);
#endif