fts_lib/ftsIO.h

/*
  *
  **************************************************************************
  **                        STMicroelectronics				**
  **************************************************************************
  **                        marco.cali@st.com				**
  **************************************************************************
  *                                                                        *
  *                     I2C/SPI Communication				*
  *                                                                        *
  **************************************************************************
  **************************************************************************
  *
  */
/*!
  * \file ftsIO.h
  * \brief Contains all the definitions and prototypes used and implemented in
  * ftsIO.c
  */

#ifndef FTS_IO_H
#define FTS_IO_H

#include "ftsSoftware.h"

#define I2C_RETRY		3	/* /< number of retry in case of i2c
					 * failure */
#define I2C_WAIT_BEFORE_RETRY	2	/* /< wait in ms before retry an i2c
					 * transaction */

#ifdef I2C_INTERFACE
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
struct i2c_client *getClient(void);
#else
#include <linux/spi/spi.h>
struct spi_device *getClient(void);
#endif



int openChannel(void *clt);
struct device *getDev(void);



/*************** NEW I2C API ****************/
#ifdef I2C_INTERFACE
int changeSAD(u8 sad);
#endif
int fts_read(u8 *outBuf, int byteToRead);
int fts_read_heap(u8 *outBuf, int byteToRead);
int fts_writeRead(u8 *cmd, int cmdLength, u8 *outBuf, int byteToRead);
int fts_writeRead_heap(u8 *cmd, int cmdLength, u8 *outBuf, int byteToRead);
int fts_write(u8 *cmd, int cmdLength);
int fts_write_heap(u8 *cmd, int cmdLength);
int fts_writeFwCmd(u8 *cmd, int cmdLength);
int fts_writeFwCmd_heap(u8 *cmd, int cmdLength);
int fts_writeThenWriteRead(u8 *writeCmd1, int writeCmdLength,
			   u8 *readCmd1, int readCmdLength,
			   u8 *outBuf, int byteToRead);
int fts_writeThenWriteRead_heap(u8 *writeCmd1, int writeCmdLength,
				u8 *readCmd1, int readCmdLength,
				u8 *outBuf, int byteToRead);

/* chunked version of fts_write */
int fts_writeU8UX(u8 cmd, AddrSize addrSize, u64 address, u8 *data,
		  int dataSize);
/* chunked version of fts_writeRead */
int fts_writeReadU8UX(u8 cmd, AddrSize addrSize, u64 address, u8 *outBuf,
			int byteToRead, int hasDummyByte);
/* chunked, write followed by another write */
int fts_writeU8UXthenWriteU8UX(u8 cmd1, AddrSize addrSize1, u8 cmd2,
			       AddrSize addrSize2, u64 address, u8 *data,
			       int dataSize);
/* chunked, write followed by a writeRead */
int fts_writeU8UXthenWriteReadU8UX(u8 cmd1, AddrSize addrSize1, u8 cmd2,
				   AddrSize addrSize2, u64 address, u8 *outBuf,
				   int count, int hasDummyByte);
#endif