rpi3bp_spi.h

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#ifndef __RPI3BP_SPI_H__
#define __RPI3BP_SPI_H__
 
#include <stdint.h>
 
/*
 * AuRPI3SPI0Map -- map the spi0 to kernel higher half address
 */
extern void AuRPI3SPI0Map();
 
/*
 *AuRPI3SPI0Init -- initialize SPI0 of RPI3bp
 */
extern void AuRPI3SPI0Init();
 
/*
 * AuRPISPITransfer -- transfer a single
 * 1 byte data
 * @param data -- data to transfer
 */
extern void AuRPISPITransfer(uint8_t data);
 
/*
 * AuRPISPITransferBuffer -- transfer multiple 1 byte
 * aligned buffer data
 * @param data -- pointer to buffer
 * @param len -- Length of total datas
 */
extern void AuRPISPITransferBuffer(const uint8_t* data, uint32_t len);
 
extern void AuRPISPITransferStart();
 
extern void AuRPISPITrasnferWrite(uint32_t data);
 
extern void AuRPISPITransferStop();
 
extern void AuRPISPIFifoWrite(uint32_t data);
#endif