1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** 11 **************************************************************************** 12 ****************************************************************************/ 13 #ifndef _UAPI_LINUX_I2C_DEV_H 14 #define _UAPI_LINUX_I2C_DEV_H 15 #include <linux/types.h> 16 #include "compiler.h" 17 18 #define I2C_RETRIES 0x0701 19 #define I2C_TIMEOUT 0x0702 20 #define I2C_SLAVE 0x0703 21 #define I2C_SLAVE_FORCE 0x0706 22 23 #define I2C_TENBIT 0x0704 24 #define I2C_FUNCS 0x0705 25 #define I2C_RDWR 0x0707 26 #define I2C_PEC 0x0708 27 28 #define I2C_SMBUS 0x0720 29 30 struct i2c_smbus_ioctl_data { 31 char read_write; 32 __u8 command; 33 int size; 34 union i2c_smbus_data __user *data; 35 }; 36 struct i2c_rdwr_ioctl_data { 37 struct i2c_msg __user *msgs; 38 int nmsgs; 39 }; 40 41 #define I2C_SMBUS_BLOCK_MAX 32 42 #define I2C_SMBUS_I2C_BLOCK_MAX 32 43 union i2c_smbus_data { 44 __u8 byte; 45 __u16 word; 46 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; 47 }; 48 49 #define I2C_RDRW_IOCTL_MAX_MSGS 42 50 51 struct i2c_msg { 52 __u16 addr; 53 unsigned short flags; 54 #define I2C_M_TEN 0x10 55 #define I2C_M_RD 0x01 56 #define I2C_M_NOSTART 0x4000 57 #define I2C_M_REV_DIR_ADDR 0x2000 58 #define I2C_M_IGNORE_NAK 0x1000 59 #define I2C_M_NO_RD_ACK 0x0800 60 short len; 61 char *buf; 62 }; 63 64 #define I2C_NOCMD 0 65 #define I2C_SMBUS_READ 1 66 #define I2C_SMBUS_WRITE 0 67 68 #define I2C_SMBUS_QUICK 0 69 #define I2C_SMBUS_BYTE 1 70 #define I2C_SMBUS_BYTE_DATA 2 71 #define I2C_SMBUS_WORD_DATA 3 72 #define I2C_SMBUS_PROC_CALL 4 73 #define I2C_SMBUS_BLOCK_DATA 5 74 #define I2C_SMBUS_I2C_BLOCK_BROKEN 6 75 #define I2C_SMBUS_BLOCK_PROC_CALL 7 76 #define I2C_SMBUS_I2C_BLOCK_DATA 8 77 78 #define I2C_FUNC_I2C 0x00000001 79 #define I2C_FUNC_10BIT_ADDR 0x00000002 80 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 81 #define I2C_FUNC_SMBUS_PEC 0x00000008 82 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 83 #define I2C_FUNC_SMBUS_QUICK 0x00010000 84 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 85 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 86 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 87 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 88 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 89 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 90 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 91 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 92 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 93 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 94 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 95 96 #endif 97
