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DMA 的代码
dma.h
#ifndef DMA_H
#define DMA_H
/*******************************************************
*
* copyright @ Motorola 1999
*
*******************************************************/
#define NUM_DMA_REG
_dma.asm
;****************************************************************************
;*
;* SciTech OS Portability Manager Library
;*
;* =====================================================
dma.h
#ifndef _ASM_DMA_H
#define _ASM_DMA_H
#define claim_dma_lock() 0
#define disable_dma(x)
#define clear_dma_ff(x)
#define set_dma_mode(x, y)
#define virt_to_bus(x)
#define set_dma_addr(x, y)
dma.c
/*
Copyright (c) 2002-04, Thomas Kurschel
Part of Radeon accelerant
DMA engine handling.
Currently, VID DMA is always used and data is always copied from
graphics memory to other memory.
dma.h
/* $Id: dma.h,v 1.7 1992/12/14 00:29:34 root Exp root $
* linux/include/asm/dma.h: Defines for using and allocating dma channels.
* Written by Hennus Bergman, 1992.
* High DMA channel support &
dma.h
/* $Id: dma.h,v 1.7 1992/12/14 00:29:34 root Exp root $
* linux/include/asm/dma.h: Defines for using and allocating dma channels.
* Written by Hennus Bergman, 1992.
* High DMA channel support &
dma.asp
vti_encoding:SR|utf8-nl
vti_cachedlinkinfo:VX|
vti_cachedhastheme:BR|false
vti_cachedhasborder:BR|false
vti_filesize:IX|817
vti_cachedbodystyle:SR|
vti_cacheddtm:TX|13 Jun 2000 14:38:00 +0
dma.h
#ifndef _ASM_DMA_H
#define _ASM_DMA_H
#define claim_dma_lock() 0
#define disable_dma(x)
#define clear_dma_ff(x)
#define set_dma_mode(x, y)
#define virt_to_bus(x)
#define set_dma_addr(x, y)
dma.c
/*
* arch/sh/kernel/dma.c
*
* Copyright (C) 2000 Takashi YOSHII
*
* PC like DMA API for SuperH's DMAC.
*/
#include
#include
#include
#include