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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-sh64/] [dma.h] - Blame information for rev 1765

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1 1276 phoenix
#ifndef __ASM_SH64_DMA_H
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#define __ASM_SH64_DMA_H
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/*
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 * This file is subject to the terms and conditions of the GNU General Public
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 * License.  See the file "COPYING" in the main directory of this archive
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 * for more details.
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 *
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 * include/asm-sh64/dma.h
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 *
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 * Copyright (C) 2000, 2001  Paolo Alberelli
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 * Copyright (C) 2003  Paul Mundt
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 *
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 */
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#include <linux/mm.h>
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#include <asm/io.h>
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#include <asm/pgtable.h>
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#define MAX_DMA_CHANNELS        4
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/*
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 * SH5 can DMA in any memory area.
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 *
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 * The static definition is dodgy because it should limit
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 * the highest DMA-able address based on the actual
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 * Physical memory available. This is actually performed
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 * at run time in defining the memory allowed to DMA_ZONE.
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 */
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#define MAX_DMA_ADDRESS         ~(NPHYS_MASK)
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#define DMA_MODE_READ           0
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#define DMA_MODE_WRITE          1
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#ifdef CONFIG_PCI
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extern int isa_dma_bridge_buggy;
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#else
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#define isa_dma_bridge_buggy    (0)
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#endif
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#endif /* __ASM_SH64_DMA_H */

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