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DMA 的代码
dma.c
/* linux/arch/arm/mach-bast/dma.c
*
* (c) 2003-2005 Simtec Electronics
* Ben Dooks
*
* S3C2410 DMA core
*
* http://www.simtec.co.uk/products/EB2410ITX/
*
* This program is
dma.c
/*
* linux/arch/arm/mach-pxa/dma.c
*
* PXA DMA registration and IRQ dispatching
*
* Author: Nicolas Pitre
* Created: Nov 15, 2001
* Copyright: MontaVista Software Inc.
*
* This program
dma.c
#include
#include
#include
#include
#include
#include
#include
#include
#incl
dma.c
/*
* arch/sh64/kernel/dma.c
*
* DMA routines for the SH-5 DMAC.
*
* Copyright (C) 2003 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. Se
dma.c
/* Wrapper for DMA channel allocator that updates DMA client muxing.
* Copyright 2004, Axis Communications AB
* $Id: dma.c,v 1.1 2004/12/13 12:21:51 starvik Exp $
*/
#include
#inc
dma.c
/*
* Dynamic DMA mapping support.
*
* On cris there is no hardware dynamic DMA address translation,
* so consistent alloc/free are merely page allocation/freeing.
* The rest of the dynamic DMA ma
dma.c
/* Wrapper for DMA channel allocator that starts clocks etc */
#include
#include
#include
#include
#include
dma.h
/* Defines for using and allocating dma channels. */
#ifndef _ASM_ARCH_DMA_H
#define _ASM_ARCH_DMA_H
#define MAX_DMA_CHANNELS 10
/* dma0 and dma1 used for network (ethernet) */
#define NETWORK_TX_D
dma.h
/* $Id: dma.h,v 1.7 2005/04/24 18:30:58 starvik Exp $
*
* DMA C definitions and help macros
*
*/
#ifndef dma_h
#define dma_h
/* registers */ /* Really needed, since both are listed in sw.list? *
dma.h
#ifndef _ASM_ARCH_CRIS_DMA_H
#define _ASM_ARCH_CRIS_DMA_H
/* Defines for using and allocating dma channels. */
#define MAX_DMA_CHANNELS 10
#define NETWORK_ETH0_TX_DMA_NBR 0 /* Ethernet 0 out. */
#d