proto.h

QNX ADS BSP code for i.MX27 chips

/*
 * $QNXLicenseC: 
 * Copyright 2007, QNX Software Systems.  
 *  
 * Licensed under the Apache License, Version 2.0 (the "License"). You  
 * may not reproduce, modify or distribute this software except in  
 * compliance with the License. You may obtain a copy of the License  
 * at: http://www.apache.org/licenses/LICENSE-2.0  
 *  
 * Unless required by applicable law or agreed to in writing, software  
 * distributed under the License is distributed on an "AS IS" basis,  
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied. 
 * 
 * This file may contain contributions from others, either as  
 * contributors under the License or as licensors under other terms.   
 * Please review this entire file for other proprietary rights or license  
 * notices, as well as the QNX Development Suite License Guide at  
 * http://licensing.qnx.com/license-guide/ for other information. 
 * $
 */


#ifndef __PROTO_H_INCLUDED
#define __PROTO_H_INCLUDED

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/neutrino.h>
#include <sys/mman.h>
#include <hw/inout.h>
#include <hw/i2c.h>

#include <arm/mx21.h>

#include <sys/slog.h>

typedef struct _mx21_dev {
	unsigned	physbase;
	uintptr_t	regbase;
	int			irq;
	int			iid;

	unsigned	slave_addr;
	unsigned	options;
    unsigned	stop;
} mx21_dev_t;

#define	MX21_OPT_VERBOSE	(1 << 0)
#define	MX21_OPT_POLLING	(1 << 1)

void *mx21_init(int argc, char *argv[]);
void  mx21_fini(void *hdl);
void  mx21_i2c_enable(mx21_dev_t *dev);
void  mx21_i2c_disable(mx21_dev_t *dev);
int   mx21_i2c_start(mx21_dev_t *dev, int read);
void  mx21_i2c_stop(mx21_dev_t *dev);
int   mx21_wait_complete(mx21_dev_t *dev, int read);

int   mx21_options(mx21_dev_t *dev, int argc, char *argv[]);

int   mx21_set_slave_addr(void *hdl, unsigned int addr, i2c_addrfmt_t fmt);
int   mx21_set_bus_speed(void *hdl, unsigned int speed, unsigned int *ospeed);
int   mx21_version_info(i2c_libversion_t *version);
int   mx21_driver_info(void *hdl, i2c_driver_info_t *info);
int   mx21_devctl(void *hdl, int cmd, void *msg, int msglen, int *nbytes, int *info);

i2c_status_t mx21_recv(void *hdl, void *buf, unsigned int len, unsigned int stop);
i2c_status_t mx21_send(void *hdl, void *buf, unsigned int len, unsigned int stop);


#endif