marvell/services/proslic/spi.h

/*
** $Id: spi.h 4461 2014-07-16 15:39:20Z nizajerk $
** 
** This file is system specific and should be edited for your hardware platform
**
** This file is used by proslic_timer_intf.h and proslic_spiGci.h
*/
#ifndef SPI_TYPE_H
#define SPI_TYPE_H

#include <linux/ioctl.h>
//////#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <pthread.h>
#include <string.h>
#include "si_voice_datatypes.h"
#include "si_voice.h"
#include "proslic_timer.h"
/* See: http://tldp.org/LDP/lkmpg/2.6/html/x892.html for IOCTL exampels */
#define SI_LINUX_SPI_MAGIC 'S'

#define SI_IOCTL_ASSERT_RESET _IOR(SI_LINUX_SPI_MAGIC,0, int ) /* Argument 1 = in reset, 0 = out of reset */
#define SI_IOCTL_MAX 1 

#define NUMBER_OF_DEVICES 1
#define CHAN_PER_DEVICE  1  
#define NUMBER_OF_CHAN (NUMBER_OF_DEVICES * CHAN_PER_DEVICE)
#define NUMBER_OF_SPI_FD NUMBER_OF_CHAN

typedef struct si_hctrl
{
	int spi_fd[NUMBER_OF_SPI_FD]; /* File descriptor to SPI device */
    pthread_mutex_t mutex;
} si_hctrl_t;

int si_setup_spi(si_hctrl_t *hCtrl);
int si_teardown_spi(si_hctrl_t *hCtrl);
int si_assoc_apis(si_hctrl_t *hCtrl, SiVoiceControlInterfaceType *proslic_if);

/*
** SPI/GCI structure
*/
typedef struct{
	int port;
	si_hctrl_t hw_ctrl;
} ctrl_S;

/*
** Function: SPI_Init
**
** Description: 
** Initializes the SPI interface
*/
int SPI_Init (si_hctrl_t *hSpi);


/*
** Function: ctrl_ResetWrapper
**
** Description: 
** Sets the reset pin of the ProSLIC
*/
int ctrl_ResetWrapper (void *hCtrl, int status);

/*
** register read 
**
** Description: 
** Reads ProSLIC registers
*/
unsigned char ctrl_ReadRegisterWrapper (void *hCtrl, unsigned char channel, unsigned char regAddr);

/*
** Function: ctrl_WriteRegisterWrapper
**
** Description: 
** Writes ProSLIC registers
*/
int ctrl_WriteRegisterWrapper (void *hSpiGci, unsigned char channel, unsigned char regAddr, unsigned char data);

/*
** Function: ctrl_WriteRAMWrapper
**
** Description: 
** Writes ProSLIC RAM
*/
int ctrl_WriteRAMWrapper (void *hSpiGci, unsigned char channel, unsigned short ramAddr, unsigned int data);

/*
** Function: ctrl_ReadRAMWrapper
**
** Description: 
** Reads ProSLIC RAM
*/
unsigned int ctrl_ReadRAMWrapper  (void *hSpiGci, unsigned char channel, unsigned short ramAddr);

#endif
/*
** $Log: spi.h,v $
** Revision 1.2  2007/10/22 21:38:10  lajordan
** fixed some warnings
**
** Revision 1.1  2007/10/22 20:52:09  lajordan
** no message
**
** Revision 1.1  2007/06/01 02:27:11  lajordan
** no message
**
** Revision 1.2  2007/02/21 16:53:07  lajordan
** no message
**
** Revision 1.1  2007/02/16 23:55:15  lajordan
** no message
**
** Revision 1.2  2007/02/15 23:33:25  lajordan
** no message
**
** Revision 1.1.1.1  2006/07/13 20:26:08  lajordan
** no message
**
*/