fmd.h

来自「该BSP是基于PXA270+WINCE的BSP」· C头文件 代码 · 共 113 行

#ifndef _FMD_H_
#define _FMD_H_ 

#include <windows.h>
#include <diskio.h>
#include <bldver.h>
#include <pcireg.h>

#if (CE_MAJOR_VER < 0x0004)

    // Specified so that Block drivers can implement their own ioctl's without
    // fear of overlapping with OS defined codes.
    #define IOCTL_DISK_USER_START 0x7E0
    #define IOCTL_DISK_USER_END   0x7FF
    #define IOCTL_DISK_USER(Function) \
        CTL_CODE( IOCTL_DISK_BASE, IOCTL_DISK_USER_START+Function, METHOD_BUFFERED, FILE_ANY_ACCESS)

    #define IOCTL_DISK_DELETE_SECTORS   10              // Deletes the specified range of sectors

    typedef struct _DELETE_SECTOR_INFO {
        DWORD cbSize; // Size of structure
        DWORD startsector;
        DWORD numsectors;
    } DELETE_SECTOR_INFO, *PDELETE_SECTOR_INFO;    

#endif

// FMD IOCTL definitions.
//
#define IOCTL_FMD_SET_XIPMODE	IOCTL_DISK_USER(0)
#define IOCTL_FMD_LOCK_BLOCKS	IOCTL_DISK_USER(1)
#define IOCTL_FMD_UNLOCK_BLOCKS	IOCTL_DISK_USER(2)

// FMD block status definitions.
#define BLOCK_STATUS_UNKNOWN	0x01
#define BLOCK_STATUS_BAD		0x02
#define BLOCK_STATUS_READONLY	0x04
#define BLOCK_STATUS_RESERVED 0x08

// FMD OEM reserved area bitfield.
#define OEM_BLOCK_RESERVED		0x01
#define OEM_BLOCK_READONLY		0x02

#ifdef __cplusplus
extern "C" {
#endif 

#define INVALID_BLOCK_ID        0xFFFFFFFF
#define INVALID_SECTOR_ADDR     0xFFFFFFFF


//--------------------------- Structure Definitions -----------------------------

typedef enum  _FLASH_TYPE { NAND, NOR } FLASH_TYPE;

typedef DWORD  SECTOR_ADDR;
typedef PDWORD PSECTOR_ADDR;

typedef DWORD  BLOCK_ID;
typedef PDWORD PBLOCK_ID;

typedef struct _FlashInfo
{
    FLASH_TYPE  flashType;
    DWORD       dwNumBlocks;
    DWORD       dwBytesPerBlock;
    WORD        wSectorsPerBlock;
    WORD        wDataBytesPerSector;

}FlashInfo, *PFlashInfo;

typedef struct _SectorInfo
{
    DWORD dwReserved1;              // Reserved - used by FAL
    BYTE  bOEMReserved;             // For use by OEM
    BYTE  bBadBlock;	            // Indicates if block is BAD
    WORD  wReserved2;               // Reserved - used by FAL
    
}SectorInfo, *PSectorInfo;

typedef struct _BlockLockInfo
{
	BLOCK_ID StartBlock;
	ULONG    NumBlocks;
}BlockLockInfo, *PBlockLockInfo;

//------------------------------- Public Interface (used by the FAL) ------------------------------
PVOID  FMD_Init(LPCTSTR lpActiveReg, PPCI_REG_INFO pRegIn, PPCI_REG_INFO pRegOut);
BOOL  FMD_Deinit(PVOID);
BOOL  FMD_GetInfo(PFlashInfo pFlashInfo);
DWORD FMD_GetBlockStatus(BLOCK_ID blockID);
BOOL FMD_SetBlockStatus(BLOCK_ID blockID, DWORD dwStatus);

BOOL  FMD_ReadSector (SECTOR_ADDR startSectorAddr, LPBYTE pSectorBuff, PSectorInfo pSectorInfoBuff, DWORD dwNumSectors);
BOOL  FMD_WriteSector(SECTOR_ADDR startSectorAddr, LPBYTE pSectorBuff, PSectorInfo pSectorInfoBuff, DWORD dwNumSectors);

BOOL  FMD_EraseBlock(BLOCK_ID blockID);

VOID  FMD_PowerUp(VOID);
VOID  FMD_PowerDown(VOID);

BOOL  FMD_OEMIoControl(DWORD dwIoControlCode, PBYTE pInBuf, DWORD nInBufSize, 
                       PBYTE pOutBuf, DWORD nOutBufSize, PDWORD pBytesReturned);


//---------------------------------------- Helper Functions ----------------------------------------

#ifdef __cplusplus
}
#endif

#endif _FMD_H_