ndisdma.h

来自「S3C24A0的完整BSP包,对开发此芯片的开发者很有用.」· C头文件 代码 · 共 85 行

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
 /*++


 Module Name:    ndisdma.h

 Abstract:       This will implement the NDIS required DMA functions which
                 differ between the CE and NT implementations.

 Contents:

 --*/

#ifndef _NDISDMA_H_
#define _NDISDMA_H_

#ifdef UNDER_CE

typedef struct _NDIS_DMA_DESCRIPTION {
    BOOLEAN DemandMode;
    BOOLEAN AutoInitialize;
    BOOLEAN DmaChannelSpecified;
    DMA_WIDTH DmaWidth;
    DMA_SPEED DmaSpeed;
    ULONG DmaPort;
    ULONG DmaChannel;
} NDIS_DMA_DESCRIPTION, *PNDIS_DMA_DESCRIPTION;

//
// DMA Operations.  
//

NDIS_STATUS
NdisMRegisterDmaChannel(
    OUT PNDIS_HANDLE            MiniportDmaHandle,
    IN  NDIS_HANDLE             MiniportAdapterHandle,
    IN  UINT                    DmaChannel,
    IN  BOOLEAN                 Dma32BitAddresses,
    IN  PNDIS_DMA_DESCRIPTION   DmaDescription,
    IN  ULONG                   MaximumLength
    );

VOID
NdisMDeregisterDmaChannel(
    IN  NDIS_HANDLE             MiniportDmaHandle
    );

VOID
NdisMSetupDmaTransfer(
    OUT PNDIS_STATUS            Status,
    IN  PNDIS_HANDLE            MiniportDmaHandle,
    IN  PNDIS_BUFFER            Buffer,
    IN  ULONG                   Offset,
    IN  ULONG                   Length,
    IN  BOOLEAN                 WriteToDevice
    );

VOID
NdisMCompleteDmaTransfer(
    OUT PNDIS_STATUS            Status,
    IN  PNDIS_HANDLE            MiniportDmaHandle,
    IN  PNDIS_BUFFER            Buffer,
    IN  ULONG                   Offset,
    IN  ULONG                   Length,
    IN  BOOLEAN                 WriteToDevice
    );

ULONG
NdisMReadDmaCounter(
    IN  NDIS_HANDLE             MiniportDmaHandle
    );

#endif // UNDER_CE

#endif // _NDISDMA_H_