/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _UAPI_LINUX_I2C_DEV_H
#define _UAPI_LINUX_I2C_DEV_H
#include <linux/types.h>
#include "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 {
 char read_write;
 __u8 command;
 int size;
 union i2c_smbus_data __user *data;
};
struct i2c_rdwr_ioctl_data {
 struct i2c_msg __user *msgs;
 int nmsgs;
};

#define I2C_SMBUS_BLOCK_MAX	32
#define I2C_SMBUS_I2C_BLOCK_MAX	32
union i2c_smbus_data {
 __u8 byte;
 __u16 word;
 __u8 block[I2C_SMBUS_BLOCK_MAX + 2];
};

#define I2C_RDRW_IOCTL_MAX_MSGS 42

struct i2c_msg {
 __u16 addr;
 unsigned short flags;
#define I2C_M_TEN 0x10
#define I2C_M_RD 0x01
#define I2C_M_NOSTART 0x4000
#define I2C_M_REV_DIR_ADDR 0x2000
#define I2C_M_IGNORE_NAK 0x1000
#define I2C_M_NO_RD_ACK 0x0800
 short len;
 char *buf;
};

#define I2C_NOCMD 0
#define I2C_SMBUS_READ	1
#define I2C_SMBUS_WRITE	0

#define I2C_SMBUS_QUICK 0
#define I2C_SMBUS_BYTE 1
#define I2C_SMBUS_BYTE_DATA 2
#define I2C_SMBUS_WORD_DATA 3
#define I2C_SMBUS_PROC_CALL 4
#define I2C_SMBUS_BLOCK_DATA 5
#define I2C_SMBUS_I2C_BLOCK_BROKEN 6
#define I2C_SMBUS_BLOCK_PROC_CALL 7
#define I2C_SMBUS_I2C_BLOCK_DATA 8

#define I2C_FUNC_I2C 0x00000001
#define I2C_FUNC_10BIT_ADDR 0x00000002
#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004
#define I2C_FUNC_SMBUS_PEC 0x00000008
#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000
#define I2C_FUNC_SMBUS_QUICK 0x00010000
#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000
#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000

#endif
