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9e2c85e076
This is part of the preparation to add support for iPod Nano 3G and Nano 4G. There are some optimisations left, like merging similar blocks of registers that share the same layout, but the base address have changed between SoC generations. Change-Id: I4f06727b4061977141b65d39ae19591bd5b29680
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 by Bertrik Sikken
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "kernel.h"
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#include "s5l87xx.h"
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#include "i2c-s5l8700.h"
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#include "uda1380.h"
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#include "udacodec.h"
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void udacodec_reset(void)
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{
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/* Reset codec using GPIO P5.0 */
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PCON5 = (PCON5 & ~0xF) | 1;
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PDAT5 |= (1 << 0);
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sleep(HZ/100);
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/* Set codec reset pin inactive */
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PDAT5 &= ~(1 << 0);
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}
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int udacodec_write(unsigned char reg, unsigned short value)
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{
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unsigned char data[2];
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data[0] = value >> 8;
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data[1] = value & 0xFF;
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return i2c_write(UDA1380_ADDR, reg, 2, data);
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}
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int udacodec_write2(unsigned char reg,
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unsigned short value1, unsigned short value2)
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{
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unsigned char data[4];
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data[0] = value1 >> 8;
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data[1] = value1 & 0xFF;
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data[2] = value2 >> 8;
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data[3] = value2 & 0xFF;
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return i2c_write(UDA1380_ADDR, reg, 4, data);
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}
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