i2c-dev.h

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/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 * Copyright (c) 2014 embedded brains GmbH & Co. KG
 *
 * 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.
 *
 * 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 OWNER 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 _UAPI_LINUX_I2C_DEV_H
#define _UAPI_LINUX_I2C_DEV_H
 
#include <stdint.h>
 
#define I2C_RETRIES 0x701
 
#define I2C_TIMEOUT 0x702
 
#define I2C_SLAVE 0x703
 
#define I2C_SLAVE_FORCE 0x706
 
#define I2C_TENBIT 0x704
 
#define I2C_FUNCS 0x705
 
#define I2C_RDWR 0x707
 
#define I2C_PEC 0x708
 
#define I2C_SMBUS 0x720
 
struct i2c_smbus_ioctl_data {
  uint8_t read_write;
  uint8_t command;
  uint32_t size;
  union i2c_smbus_data *data;
};
 
struct i2c_rdwr_ioctl_data {
  struct i2c_msg *msgs;
  uint32_t nmsgs;
};
 
#define I2C_RDRW_IOCTL_MAX_MSGS 42
 
#endif /* _UAPI_LINUX_I2C_DEV_H */