45 lines
1.6 KiB
C
45 lines
1.6 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) 2011 by Tomasz Moń
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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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#ifndef DMA_TARGET_H
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#define DMA_TARGET_H
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/* These defines match DMA Select bits */
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#define DMA_PERIPHERAL_MTC 0
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#define DMA_PERIPHERAL_SIF 1
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#define DMA_PERIPHERAL_MS 2
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#define DMA_PERIPHERAL_MMCSD 3
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#define DMA_PERIPHERAL_DSP 4
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/* These defines match DMA Burst bits */
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/* 1 burst DMA - address must be 4 byte aligned */
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#define DMA_MODE_1_BURST 0
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/* 4 burst DMA - address must be 16 byte aligned */
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#define DMA_MODE_4_BURST 1
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/* 8 burst DMA - address must be 32 byte aligned */
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#define DMA_MODE_8_BURST 2
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void dma_init(void);
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int dma_request_channel(int peripheral, int mode);
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void dma_release_channel(int channel);
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#endif
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