include/linux/i2c-dev.h

/*
    i2c-dev.h - i2c-bus driver, char device interface

    Copyright (C) 1995-97 Simon G. Vogl
    Copyright (C) 1998-99 Frodo Looijaard <frodol@dds.nl>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
    MA 02110-1301 USA.
*/

#ifndef _LINUX_I2C_DEV_H
#define _LINUX_I2C_DEV_H

#include <linux/types.h>
#include <linux/compiler.h>

#define I2C_RETRIES	0x0701	
#define I2C_TIMEOUT	0x0702	

#define I2C_SLAVE	0x0703	
#define I2C_SLAVE_FORCE	0x0706	
#define I2C_TENBIT	0x0704	

#define I2C_FUNCS	0x0705	

#define I2C_RDWR	0x0707	

#define I2C_PEC		0x0708	
#define I2C_SMBUS	0x0720	


struct i2c_smbus_ioctl_data {
	__u8 read_write;
	__u8 command;
	__u32 size;
	union i2c_smbus_data __user *data;
};

struct i2c_rdwr_ioctl_data {
	struct i2c_msg __user *msgs;	
	__u32 nmsgs;			
};

#define  I2C_RDRW_IOCTL_MAX_MSGS	42

#ifdef __KERNEL__
#define I2C_MAJOR	89		
#endif

#endif