1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 i2c-dev.h - i2c-bus driver, char device in 2 i2c-dev.h - i2c-bus driver, char device interface
4 3
5 Copyright (C) 1995-97 Simon G. Vogl 4 Copyright (C) 1995-97 Simon G. Vogl
6 Copyright (C) 1998-99 Frodo Looijaard <fro 5 Copyright (C) 1998-99 Frodo Looijaard <frodol@dds.nl>
7 6
>> 7 This program is free software; you can redistribute it and/or modify
>> 8 it under the terms of the GNU General Public License as published by
>> 9 the Free Software Foundation; either version 2 of the License, or
>> 10 (at your option) any later version.
>> 11
>> 12 This program is distributed in the hope that it will be useful,
>> 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
>> 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> 15 GNU General Public License for more details.
>> 16
>> 17 You should have received a copy of the GNU General Public License
>> 18 along with this program; if not, write to the Free Software
>> 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
8 */ 20 */
>> 21
>> 22 /* $Id: i2c-dev.h,v 1.13 2003/01/21 08:08:16 kmalkki Exp $ */
>> 23
9 #ifndef _LINUX_I2C_DEV_H 24 #ifndef _LINUX_I2C_DEV_H
10 #define _LINUX_I2C_DEV_H 25 #define _LINUX_I2C_DEV_H
11 26
12 #include <uapi/linux/i2c-dev.h> !! 27 #include <linux/types.h>
>> 28
>> 29 /* Some IOCTL commands are defined in <linux/i2c.h> */
>> 30 /* Note: 10-bit addresses are NOT supported! */
>> 31
>> 32 /* This is the structure as used in the I2C_SMBUS ioctl call */
>> 33 struct i2c_smbus_ioctl_data {
>> 34 __u8 read_write;
>> 35 __u8 command;
>> 36 __u32 size;
>> 37 union i2c_smbus_data __user *data;
>> 38 };
>> 39
>> 40 /* This is the structure as used in the I2C_RDWR ioctl call */
>> 41 struct i2c_rdwr_ioctl_data {
>> 42 struct i2c_msg __user *msgs; /* pointers to i2c_msgs */
>> 43 __u32 nmsgs; /* number of i2c_msgs */
>> 44 };
13 45
14 #define I2C_MAJOR 89 /* Dev <<
15 #endif /* _LINUX_I2C_DEV_H */ 46 #endif /* _LINUX_I2C_DEV_H */
16 47
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