spi_hal.h

来自「6440linuxDriver的源代码」· C头文件 代码 · 共 60 行

#if !defined( _SPI_HAL_H_ )
#define _SPI_HAL_H_

#include "core_header.h"

#if defined( _MVFLASH_ )
#if defined( __DOS__ )
#include "pcibios.h"
#define FMemR8( addr )          read8bitMemBar( addr )
#define FMemR16( addr )         read16bitMemBar( addr )
#define FMemR32( addr )         read32bitMemBar( addr )
#define FMemW8( addr, var )     write8bitMemBar( addr, var )
#define FMemW16( addr, var )    write16bitMemBar( addr, var )
#define FMemW32( addr, var )    write32bitMemBar( addr, var )
#else
#define FMemR8( addr )          (*( (volatile MV_U8*) (addr) ))
#define FMemR16( addr )         (*( (volatile MV_U16*)(addr) ))
#define FMemR32( addr )         (*( (volatile MV_U32*)(addr) ))
#define FMemW8( addr, var )     (*( (volatile MV_U8*) (addr) ) = (MV_U8)var )    
#define FMemW16( addr, var )    (*( (volatile MV_U16*)(addr) ) = (MV_U16)var )
#define FMemW32( addr, var )    (*( (volatile MV_U32*)(addr) ) = (MV_U32)var )
#endif
#elif defined(_OS_WINDOWS) || defined(_OS_LINUX) || defined(__QNXNTO__)
#define FMemR8( addr, off  )         MV_REG_READ_BYTE( addr, off )
#define FMemR16( addr, off )         MV_REG_READ_WORD( addr, off )
#define FMemR32( addr, off )         MV_REG_READ_DWORD( addr, off )
#define FMemW8( addr, off, var )     MV_REG_WRITE_BYTE( addr, off, var )
#define FMemW16( addr, off, var )    MV_REG_WRITE_WORD( addr, off, var )
#define FMemW32( addr, off, var )    MV_REG_WRITE_DWORD( addr, off, var )
#define MV_IOR8( addr, off )         MV_IO_READ_BYTE( addr, off )
#define MV_IOR16( addr, off )        MV_IO_READ_WORD( addr, off )
#define MV_IOR32( addr, off )        MV_IO_READ_DWORD( addr, off )
#define MV_IOW8( addr, off, data )   MV_IO_WRITE_BYTE( addr, off, data )
#define MV_IOW16( addr, off, data )  MV_IO_WRITE_WORD( addr, off, data )
#define MV_IOW32( addr, off, data )  MV_IO_WRITE_DWORD( addr, off, data )
#endif

#ifdef _MVFLASH_
void
Delayms
(
    unsigned msec
);
void
Delayus
(
    unsigned long usec
);
#   define DelayMSec( _X_ )        Delayms( _X_ )
#   define DelayUSec( _X_ )        Delayus( _X_ )
#elif defined(_OS_WINDOWS) || defined(__QNXNTO__)
#   define DelayMSec(_X_)        HBA_SleepMillisecond(NULL, _X_)
#   define DelayUSec(_X_)        HBA_SleepMicrosecond(NULL, _X_)
#elif defined(_OS_LINUX)
#   define DelayMSec(_X_)        ossw_mdelay(_X_)
#   define DelayUSec(_X_)        ossw_udelay(_X_)
#endif /*  _MVFLASH_ */

#endif