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Subversion Repositories pcie_ds_dma

[/] [pcie_ds_dma/] [trunk/] [soft/] [linux/] [driver/] [pexdrv/] [dmachan.h] - Diff between revs 2 and 54

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Rev 2 Rev 54 
//****************** File DmaChannel.h *********************************
 
//****************** File DmaChannel.h *********************************
 
//  class CDmaChannel definition
 
//  class CDmaChannel definition
 
//
 
//
 
//      Copyright (c) 2007, Instrumental Systems,Corp.
 
//      Copyright (c) 2007, Instrumental Systems,Corp.
 
//  Written by Dorokhin Andrey
 
//  Written by Dorokhin Andrey
 
//
 
//
 
//  History:
 
//  History:
 
//  28-10-07 - builded
 
//  28-10-07 - builded
 
//
 
//
 
//*******************************************************************
 
//*******************************************************************
 
 
 
 
 
#ifndef         _DMA_CHAN_H_
 
#ifndef         _DMA_CHAN_H_
 
#define         _DMA_CHAN_H_
 
#define         _DMA_CHAN_H_
 
 
 
 
 
#include "pexioctl.h"
 
#include "pexioctl.h"
 
 
 
#include "memory.h"
 
 
 
 
 
#define PE_EXT_FIFO_ID  0x0018
 
#define PE_EXT_FIFO_ID  0x0018
 
 
 
 
 
typedef void (*TASKLET_ROUTINE)(unsigned long);
 
typedef void (*TASKLET_ROUTINE)(unsigned long);
 
 
 
 
 
struct CDmaChannel
 
struct CDmaChannel
 
{
 
{
 
    u32                                                 m_NumberOfChannel;
 
    u32                                                 m_NumberOfChannel;
 
    u16                                                 m_idBlockFifo;
 
    u16                                                 m_idBlockFifo;
 
 
 
 
 
    void                                                *m_Board;                               // PCI device object
 
    void                                                *m_Board;                               // PCI device object
 
    struct device                                       *m_dev;                                 // PCI device object
 
    struct device               *m_dev;                                 // PCI device object
 
    struct  tasklet_struct                              m_Dpc;                                  // the DPC object
 
    struct  tasklet_struct      m_Dpc;                                  // the DPC object
 
    wait_queue_head_t                                   m_DmaWq;
 
    wait_queue_head_t           m_DmaWq;
 
    spinlock_t                                          m_DmaLock;                              // spinlock
 
    spinlock_t                  m_DmaLock;                              // spinlock
 
 
 
 
 
    KEVENT                                              m_BlockEndEvent;
 
    KEVENT                                              m_BlockEndEvent;
 
    KEVENT                                              m_BufferEndEvent;
 
    KEVENT                                              m_BufferEndEvent;
 
 
 
 
 
    AMB_STUB                                            m_State;
 
    AMB_STUB                    m_State;
 
 
 
 
 
    u32                                                 m_AdmNum;
 
    u32                                                 m_AdmNum;
 
    u32                                                 m_TetrNum;
 
    u32                                                 m_TetrNum;
 
    u32                                                 m_DmaDirection;
 
    u32                                                 m_DmaDirection;
 
    u32                                                 m_DmaLocalAddress;
 
    u32                                                 m_DmaLocalAddress;
 
    u32                                                 m_DmaCycling;
 
    u32                                                 m_DmaCycling;
 
 
 
 
 
    u32                                                 m_CycleNum;
 
    u32                                                 m_CycleNum;
 
    u32                                                 m_BlocksRemaining;
 
    u32                                                 m_BlocksRemaining;
 
    u32                                                 m_CurBlockNum;
 
    u32                                                 m_CurBlockNum;
 
 
 
 
 
    u32                                                 m_UseCount;
 
    u32                                                 m_UseCount;
 
 
 
 
 
    u32                                                 m_AdjustMode;
 
    u32                                                 m_AdjustMode;
 
    u32                                                 m_DoneBlock;
 
    u32                                                 m_DoneBlock;
 
    u32                                                 m_DoneFlag;
 
    u32                                                 m_DoneFlag;
 
 
 
 
 
    u32                                                 m_preBlockCount1;
 
    u32                                                 m_preBlockCount1;
 
    u32                                                 m_preBlockCount2;
 
    u32                                                 m_preBlockCount2;
 
    u32                                                 m_preBlockCount3;
 
    u32                                                 m_preBlockCount3;
 
 
 
 
 
    u32                                                 m_MemType;
 
    u32                                                 m_MemType;
 
    AMB_STUB                                            *m_pStub;
 
    AMB_STUB                    *m_pStub;
 
 
 
 
 
    SHARED_MEMORY_DESCRIPTION   m_StubDscr;             //Содержит описатель управляющего блока
 
    SHARED_MEMORY_DESCRIPTION   m_StubDscr;             //Содержит описатель управляющего блока
 
 
 
 
 
    u32                                                 m_BlockCount;   //Количество блоков для DMA
 
    u32                                                 m_BlockCount;   //Количество блоков для DMA
 
    u32                                                 m_BlockSize;    //Размер одного блока DMA
 
    u32                                                 m_BlockSize;    //Размер одного блока DMA
 
 
 
 
 
    SHARED_MEMORY_DESCRIPTION                           m_pBufDscr;     //Описатель для адресов блоков DMA каждый элемент содержит
 
    SHARED_MEMORY_DESCRIPTION                           m_pBufDscr;     //Описатель для адресов блоков DMA каждый элемент содержит
 
 
 
    SHARED_MEMORY_DESCRIPTION   m_BufDscrVA;
 
 
 
    dma_addr_t                  m_BufDscrPA;
 
 
 
/*
 
 
 
    DMA_CHAINING_DESCRIPTOR *m_pScatterGatherTableVA;
 
 
 
    dma_addr_t m_pScatterGatherTablePA;
 
 
 
 
 
 
 
    DMA_CHAINING_DESCRIPTOR *m_SGTableDscrVA;
 
 
 
    dma_addr_t  m_SGTableDscrPA;
 
 
 
*/
 
 
 
 
 
    DMA_CHAINING_DESCR_EXT                              *m_pScatterGatherTableExt;              //Содержит массив для организации цепочек DMA (v2)
 
    DMA_CHAINING_DESCR_EXT                              *m_pScatterGatherTableExt;              //Содержит массив для организации цепочек DMA (v2)
 
    u32                                                 m_ScatterGatherBlockCnt;                //Количество элементов-дескрипторов цепочек DMA
 
    u32                                                 m_ScatterGatherBlockCnt;                //Количество элементов-дескрипторов цепочек DMA
 
    SHARED_MEMORY_DESCRIPTION                           m_SGTableDscr;                                  //Описатель массива цепочек DMA
 
    SHARED_MEMORY_DESCRIPTION                           m_SGTableDscr;                                  //Описатель массива цепочек DMA
 
    u32                                                 m_ScatterGatherTableEntryCnt;   //Количество блоков для DMA
 
    u32                                                 m_ScatterGatherTableEntryCnt;   //Количество блоков для DMA
 
 
 
 
 
    TASKLET_ROUTINE                                     m_DpcForIsr;
 
    TASKLET_ROUTINE                                     m_DpcForIsr;
 
};
 
};
 
 
 
 
 
struct CDmaChannel* CDmaChannelCreate(  u32 NumberOfChannel,
 
struct CDmaChannel* CDmaChannelCreate(  u32 NumberOfChannel,
 
 
 
                                        TASKLET_ROUTINE dpc,
 
                                        void *m_Board,
 
                                        void *m_Board,
 
                                        struct device   *dev,
 
                                        struct device   *dev,
 
                                        u32 cbMaxTransferLength,
 
                                        u32 cbMaxTransferLength,
 
                                        u16 idBlockFifo,
 
                                        u16 idBlockFifo,
 
                                        int bScatterGather );
 
                                        int bScatterGather );
 
void CDmaChannelDelete(struct CDmaChannel *dma);
 
void CDmaChannelDelete(struct CDmaChannel *dma);
 
int RequestMemory(struct CDmaChannel *dma, void **ppMemPhysAddr, u32 size, u32 *pCount, void **pStubPhysAddr, u32 bMemType);
 
int RequestMemory(struct CDmaChannel *dma, void **ppMemPhysAddr, u32 size, u32 *pCount, void **pStubPhysAddr, u32 bMemType);
 
void ReleaseMemory(struct CDmaChannel *dma);
 
int ReleaseMemory(struct CDmaChannel *dma);
 
int RequestSysBuf(struct CDmaChannel *dma, void **pMemPhysAddr);
 
int RequestSysBuf(struct CDmaChannel *dma, void **pMemPhysAddr);
 
void ReleaseSysBuf(struct CDmaChannel *dma);
 
int ReleaseSysBuf(struct CDmaChannel *dma);
 
int RequestSGList(struct CDmaChannel *dma);
 
int RequestSGList(struct CDmaChannel *dma);
 
void ReleaseSGList(struct CDmaChannel *dma);
 
int ReleaseSGList(struct CDmaChannel *dma);
 
int RequestStub(struct CDmaChannel *dma, void **pStubPhysAddr);
 
int RequestStub(struct CDmaChannel *dma, void **pStubPhysAddr);
 
void ReleaseStub(struct CDmaChannel *dma);
 
void ReleaseStub(struct CDmaChannel *dma);
 
int SetScatterGatherListExt(struct CDmaChannel *dma);
 
int SetScatterGatherListExt(struct CDmaChannel *dma);
 
 
 
int SetScatterGatherListExtUser(struct CDmaChannel *dma);
 
void FreeUserAddress(struct CDmaChannel *dma);
 
void FreeUserAddress(struct CDmaChannel *dma);
 
u32 NextDmaTransfer(struct CDmaChannel *dma);
 
u32 NextDmaTransfer(struct CDmaChannel *dma);
 
int SetScatterGatherList(struct CDmaChannel *dma);
 
int SetScatterGatherList(struct CDmaChannel *dma);
 
int SetDmaDirection(struct CDmaChannel *dma, u32 DmaDirection);
 
int SetDmaDirection(struct CDmaChannel *dma, u32 DmaDirection);
 
void SetDmaLocalAddress(struct CDmaChannel *dma, u32 Address);
 
void SetDmaLocalAddress(struct CDmaChannel *dma, u32 Address);
 
void SetLocalBusWidth(struct CDmaChannel *dma, u32 Param);
 
void SetLocalBusWidth(struct CDmaChannel *dma, u32 Param);
 
void ReferenceBlockEndEvent(struct CDmaChannel *dma, void* hBlockEndEvent);
 
void ReferenceBlockEndEvent(struct CDmaChannel *dma, void* hBlockEndEvent);
 
void DereferenceBlockEndEvent(struct CDmaChannel *dma);
 
void DereferenceBlockEndEvent(struct CDmaChannel *dma);
 
void SetAdmTetr(struct CDmaChannel *dma, u32 AdmNum, u32 TetrNum);
 
void SetAdmTetr(struct CDmaChannel *dma, u32 AdmNum, u32 TetrNum);
 
void Adjust(struct CDmaChannel *dma, u32 mode);
 
void Adjust(struct CDmaChannel *dma, u32 mode);
 
void GetState(struct CDmaChannel *dma, u32 *BlockNum, u32 *BlockNumTotal, u32 *OffsetInBlock, u32 *DmaChanState);
 
void GetState(struct CDmaChannel *dma, u32 *BlockNum, u32 *BlockNumTotal, u32 *OffsetInBlock, u32 *DmaChanState);
 
int CompleteDmaTransfer(struct CDmaChannel *dma);
 
int CompleteDmaTransfer(struct CDmaChannel *dma);
 
int WaitBlockEndEvent(struct CDmaChannel *dma, u32 msTimeout);
 
int WaitBlockEndEvent(struct CDmaChannel *dma, u32 msTimeout);
 
int WaitBufferEndEvent(struct CDmaChannel *dma, u32 msTimeout);
 
int WaitBufferEndEvent(struct CDmaChannel *dma, u32 msTimeout);
 
u32 GetAdmNum(struct CDmaChannel *dma);
 
u32 GetAdmNum(struct CDmaChannel *dma);
 
u32 GetTetrNum(struct CDmaChannel *dma);
 
u32 GetTetrNum(struct CDmaChannel *dma);
 
void GetSGStartParams(struct CDmaChannel *dma, u64* SGTableAddress, u32* LocalAddress, u32* DmaDirection);
 
void GetSGStartParams(struct CDmaChannel *dma, u64* SGTableAddress, u32* LocalAddress, u32* DmaDirection);
 
int StartDmaTransfer(struct CDmaChannel *dma, u32 IsCycling);
 
int StartDmaTransfer(struct CDmaChannel *dma, u32 IsCycling);
 
u32 SetDoneBlock(struct CDmaChannel *dma, long numBlk);
 
u32 SetDoneBlock(struct CDmaChannel *dma, long numBlk);
 
void DmaDpcForIsr( unsigned long Context );
 
//void DmaDpcForIsr( unsigned long Context );
 
 
 
 
 
#endif //_DMA_CHANNEL_H_
 
#endif //_DMA_CHANNEL_H_
 
 
 
 
 
//
 
//
 
// End of File
 
// End of File
 
//
 
//
 
 
 
 

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