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DMA 的代码
dma.txt
In Linux 2.5 kernels (and later), USB device drivers have additional control
over how DMA may be used to perform I/O operations. The APIs are detailed
in the kernel usb programming guide (kerneldoc,
dma.c
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
typedef struct DMAport DMAport;
typedef struct DMA DMA;
typedef struct DMAxfer DMAxfer;
/*
* state of a d
dma.c
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
typedef struct DMAport DMAport;
typedef struct DMA DMA;
typedef struct DMAxfer DMAxfer;
/*
dma.c
#include "u.h"
#include "lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
typedef struct DMAport DMAport;
typedef struct DMA DMA;
typedef struct DMAxfer DMAxfer;
enum
{
/*
* the byte re
dma.h
#ifndef DMA_H
#define DMA_H
/*******************************************************
*
* copyright @ Motorola 1999
*
*******************************************************/
#define NUM_DMA_REG
_dma.asm
;****************************************************************************
;*
;* SciTech OS Portability Manager Library
;*
;* =====================================================
dma.c
/*
Routines to simplify the use of DMA for Sound Blaster driver
*/
#include
#include "sndblst.h"
#if 0
BOOLEAN CheckDMA(PDEVICE_EXTENSION Device)
{
// Don't forget to che
dma.c
/*
* VideoPort driver
*
* Copyright (C) 2002, 2003, 2004 ReactOS Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library Gener
dma.c
/* $Id: dma.c 24759 2006-11-14 20:59:48Z ion $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/hal/x86/dma.c
* PURPO
dma.h
/*
* Copyright 2003 by Texas Instruments Incorporated.
* All rights reserved. Property of Texas Instruments Incorporated.
* Restricted rights to use, duplicate or disclose this code are