// kspi.h :
//

#if !defined(AGD_KSPI_H__C0C2E2F9_77AA_4807_9B26_08F970CFD563__INCLUDED_)
#define AGD_KSPI_H__C0C2E2F9_77AA_4807_9B26_08F970CFD563__INCLUDED_

#include <linux/kernel.h>
#include <linux/spi/spidev.h>
#include <linux/syscalls.h>
#include "defines.h"

#ifdef __cplusplus
extern "C" {
#endif	//	__cplusplus

/////////////////////////////////////////////////////////////////////////////
// kspi.h - Declarations:

int kspi_write_mode			(struct file *pf, unsigned char mode);
int kspi_read_mode			(struct file *pf, unsigned char *mode);
int kspi_write_bits_per_word(struct file *pf, unsigned char bits);
int kspi_read_bits_per_word	(struct file *pf, unsigned char *bits);
int kspi_write_max_speed_hz	(struct file *pf, unsigned int speed);
int kspi_read_max_speed_hz	(struct file *pf, unsigned int *speed);

/////////////////////////////////////////////////////////////////////////////

int kspi_tx			(struct file *pf, const void *pData, size_t nCbData);
int kspi_rx			(struct file *pf, void *pData, size_t nCbData);
int kspi_tx_rx		(struct file *pf, const void *pTx, void *pRx, size_t nCb);
int kspi_rx_byte	(struct file *pf, unsigned char *rx);
int kspi_tx_byte	(struct file *pf, unsigned char tx);
int kspi_tx_rx_byte	(struct file *pf, unsigned char tx, unsigned char *rx);

/////////////////////////////////////////////////////////////////////////////

bool KSpiInit(struct file *pf);
void KSpiExit(void);

/////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif	//	__cplusplus
#endif	//	!defined(AGD_KSPI_H__C0C2E2F9_77AA_4807_9B26_08F970CFD563__INCLUDED_)