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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: dac.h 24158 2010-01-03 11:31:14Z Buschel $
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _DAC3550A_H_
#define _DAC3550A_H_
#include "config.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
/* function prototypes */
extern int tenthdb2reg(int db);
extern int dac_volume(unsigned int left, unsigned int right, bool deemph);
extern void dac_enable(bool enable);
extern void dac_line_in(bool enable);
extern void dac_init(void);
#endif /* _DAC3550A_H_ */
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