/*
 * Copyright (c) 2013-2016 François Tigeot
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _UAPI_UAPI_I2C_H_
#define _UAPI_UAPI_I2C_H_

#include <linux/types.h>

struct i2c_msg {
        uint16_t addr;
        uint16_t flags;
        uint16_t len;
        uint8_t *buf;
};

#define I2C_M_TEN               0x0010
#define I2C_M_RECV_LEN          0x0400
#define I2C_M_NO_RD_ACK         0x0800
#define I2C_M_IGNORE_NAK        0x1000
#define I2C_M_REV_DIR_ADDR      0x2000

#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_NOSTART                0x00000010
#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



#define I2C_FUNC_SMBUS_BYTE             (I2C_FUNC_SMBUS_READ_BYTE | \
                                         I2C_FUNC_SMBUS_WRITE_BYTE)

#define I2C_FUNC_SMBUS_BYTE_DATA        (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
                                         I2C_FUNC_SMBUS_WRITE_BYTE_DATA)

#define I2C_FUNC_SMBUS_WORD_DATA        (I2C_FUNC_SMBUS_READ_WORD_DATA | \
                                         I2C_FUNC_SMBUS_WRITE_WORD_DATA)

#define I2C_FUNC_SMBUS_I2C_BLOCK        (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
                                         I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)

#define I2C_FUNC_SMBUS_EMUL             (I2C_FUNC_SMBUS_QUICK | \
                                         I2C_FUNC_SMBUS_BYTE | \
                                         I2C_FUNC_SMBUS_BYTE_DATA | \
                                         I2C_FUNC_SMBUS_WORD_DATA | \
                                         I2C_FUNC_SMBUS_PROC_CALL | \
                                         I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
                                         I2C_FUNC_SMBUS_I2C_BLOCK | \
                                         I2C_FUNC_SMBUS_PEC)

#define I2C_SMBUS_BLOCK_MAX     32

#endif  /* _UAPI_LINUX_I2C_H_ */