mirror of
https://github.com/openharmony/drivers_adapter.git
synced 2026-08-27 13:47:13 -04:00
yafeng_wang
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/*
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef I2C_USER_H
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#define I2C_USER_H
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#include "hdf_base.h"
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enum I2cIoctlCmd {
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IOCTL_RETRIES = 0x0701,
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IOCTL_TIMEOUT = 0x0702,
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IOCTL_CLIENT = 0x0703,
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IOCTL_CLIENT_FORCE = 0x0706,
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IOCTL_TENBIT = 0x0704,
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IOCTL_FUNCS = 0x0705,
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IOCTL_RDWR = 0x0707,
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IOCTL_PEC = 0x0708,
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IOCTL_SMBUS = 0x0720,
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IOCTL_16BIT_REG = 0x0709, /* 16BIT REG WIDTH */
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IOCTL_16BIT_DATA = 0x070a, /* 16BIT DATA WIDTH */
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};
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enum I2cMsgFlag {
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I2C_M_RD = 0x0001,
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I2C_M_TEN = 0x0010,
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I2C_M_RECV_LEN = 0x0400,
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I2C_M_NO_RD_ACK = 0x0800,
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I2C_M_IGNORE_NAK = 0x1000,
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I2C_M_REV_DIR_ADDR = 0x2000,
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I2C_M_NOSTART = 0x4000,
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I2C_M_STOP = 0x8000,
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#ifdef __LITEOS__
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I2C_M_16BIT_DATA = 0x0008,
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I2C_M_16BIT_REG = 0x0002,
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#endif
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};
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typedef struct i2c_msg {
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uint16_t addr;
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uint16_t flags;
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uint16_t len;
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uint8_t *buf;
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} I2cMsgUser;
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typedef struct i2c_rdwr_ioctl_data {
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struct i2c_msg *msgs;
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unsigned int nmsgs;
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} I2cIoctlWrap;
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int32_t I2cAddVfsById(int16_t id);
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void I2cRemoveVfsById(int16_t id);
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#endif /* I2C_USER_H */
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