86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
|
/***************************************************************************
|
||
|
|
* __________ __ ___.
|
||
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||
|
|
* \/ \/ \/ \/ \/
|
||
|
|
* $Id$
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013 Andrew Ryabinin
|
||
|
|
*
|
||
|
|
* 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 "audiohw.h"
|
||
|
|
#include "df1704.h"
|
||
|
|
#include "pca9555.h"
|
||
|
|
#include "i2c-rk27xx.h"
|
||
|
|
#include "system.h"
|
||
|
|
|
||
|
|
void df1704_set_ml_dir(const int dir)
|
||
|
|
{
|
||
|
|
pca9555_write_config(dir<<8, (1<<8));
|
||
|
|
}
|
||
|
|
|
||
|
|
void df1704_set_ml(const int val)
|
||
|
|
{
|
||
|
|
pca9555_write_output(val<<8, 1<<8);
|
||
|
|
}
|
||
|
|
|
||
|
|
void df1704_set_mc(const int val)
|
||
|
|
{
|
||
|
|
pca9555_write_output(val<<1, 1<<1);
|
||
|
|
}
|
||
|
|
|
||
|
|
void df1704_set_md(const int val)
|
||
|
|
{
|
||
|
|
pca9555_write_output(val<<0, 1<<0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void pop_ctrl(const int val)
|
||
|
|
{
|
||
|
|
pca9555_write_output(val<<5, 1<<5);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void amp_enable(const int val)
|
||
|
|
{
|
||
|
|
pca9555_write_output(val<<3, 1<<3);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void df1704_enable(const int val)
|
||
|
|
{
|
||
|
|
pca9555_write_output(val<<4, 1<<4);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void audiohw_postinit(void)
|
||
|
|
{
|
||
|
|
pop_ctrl(0);
|
||
|
|
sleep(HZ/4);
|
||
|
|
df1704_enable(1);
|
||
|
|
amp_enable(1);
|
||
|
|
sleep(HZ/100);
|
||
|
|
df1704_init();
|
||
|
|
sleep(HZ/4);
|
||
|
|
pop_ctrl(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
void audiohw_close(void)
|
||
|
|
{
|
||
|
|
df1704_mute();
|
||
|
|
pop_ctrl(0);
|
||
|
|
sleep(HZ/5);
|
||
|
|
amp_enable(0);
|
||
|
|
df1704_enable(0);
|
||
|
|
sleep(HZ/5);
|
||
|
|
pop_ctrl(1);
|
||
|
|
}
|