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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
* Physical interface of the SI4700 in the Gigabeat S
*
* Copyright (C) 2008 by Nils Wallménius
*
* 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.
*
****************************************************************************/
#include "config.h"
#include "system.h"
#include "i2c-imx31.h"
#include "fmradio_i2c.h"
struct i2c_node si4700_i2c_node =
{
.num = I2C2_NUM,
.ifdr = I2C_IFDR_DIV192, /* 66MHz/.4MHz = 165, closest = 192 = 343750Hz */
/* Just hard-code for now - scaling may require
* updating */
.addr = (0x20),
};
int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
{
(void)address;
i2c_write(&si4700_i2c_node, buf, count);
return 0;
}
int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
{
(void)address;
i2c_read(&si4700_i2c_node, -1, buf, count);
return 0;
}
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