/*
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 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, 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.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 COPYRIGHT HOLDER OR
 * CONTRIBUTORS 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 I2C_USER_H
#define I2C_USER_H

#include "hdf_base.h"

enum I2cIoctlCmd {
    IOCTL_RETRIES      = 0x0701,
    IOCTL_TIMEOUT      = 0x0702,
    IOCTL_CLIENT       = 0x0703,
    IOCTL_CLIENT_FORCE = 0x0706,
    IOCTL_TENBIT       = 0x0704,
    IOCTL_FUNCS        = 0x0705,
    IOCTL_RDWR         = 0x0707,
    IOCTL_PEC          = 0x0708,
    IOCTL_SMBUS        = 0x0720,
    IOCTL_16BIT_REG    = 0x0709,  /* 16BIT REG WIDTH */
    IOCTL_16BIT_DATA   = 0x070a,  /* 16BIT DATA WIDTH */
};

enum I2cMsgFlag {
    I2C_M_RD           = 0x0001,
    I2C_M_TEN          = 0x0010,
    I2C_M_RECV_LEN     = 0x0400,
    I2C_M_NO_RD_ACK    = 0x0800,
    I2C_M_IGNORE_NAK   = 0x1000,
    I2C_M_REV_DIR_ADDR = 0x2000,
    I2C_M_NOSTART      = 0x4000,
    I2C_M_STOP         = 0x8000,
#ifdef __LITEOS__
    I2C_M_16BIT_DATA   = 0x0008,
    I2C_M_16BIT_REG    = 0x0002,
#endif
};

typedef struct i2c_msg {
    uint16_t addr;
    uint16_t flags;
    uint16_t len;
    uint8_t *buf;
} I2cMsgUser;

typedef struct i2c_rdwr_ioctl_data {
    struct i2c_msg *msgs;
    unsigned int nmsgs;
} I2cIoctlWrap;

int32_t I2cAddVfsById(int16_t id);

void I2cRemoveVfsById(int16_t id);

#endif /* I2C_USER_H */