rockbox/firmware/drivers/dac.h
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

48 lines
1.4 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* 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 _DAC_H_
#define _DAC_H_
#include "config.h"
#ifdef HAVE_DAC3550A
/*
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 void dac_enable(bool enable);
extern void dac_line_in(bool enable);
extern void dac_init(void);
#endif
#endif