77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
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/***************************************************************************
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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 "i2c-coldfire.h"
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#include "pcf50606.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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#ifdef IRIVER_H300_SERIES
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int mask = disable_irq_save();
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pcf50606_write(0x3b, 0x00); /* GPOOD2 high Z */
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pcf50606_write(0x3b, 0x07); /* GPOOD2 low */
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restore_irq(mask);
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#else
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/* RESET signal */
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or_l(1<<29, &GPIO_OUT);
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or_l(1<<29, &GPIO_ENABLE);
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or_l(1<<29, &GPIO_FUNCTION);
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sleep(HZ/100);
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and_l(~(1<<29), &GPIO_OUT);
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#endif
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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[3];
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data[0] = reg;
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data[1] = value >> 8;
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data[2] = value & 0xff;
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if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 3) != 3) {
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return -1;
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}
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return 0;
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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[5];
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data[0] = reg;
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data[1] = value1 >> 8;
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data[2] = value1 & 0xFF;
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data[3] = value2 >> 8;
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data[4] = value2 & 0xFF;
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if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 5) != 5) {
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return -1;
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}
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return 0;
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}
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