1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef _UAPI_LINUX_I2C_H 8 #define _UAPI_LINUX_I2C_H 9 #include <linux/types.h> 10 struct i2c_msg { 11 __u16 addr; 12 __u16 flags; 13 #define I2C_M_RD 0x0001 14 #define I2C_M_TEN 0x0010 15 #define I2C_M_DMA_SAFE 0x0200 16 #define I2C_M_RECV_LEN 0x0400 17 #define I2C_M_NO_RD_ACK 0x0800 18 #define I2C_M_IGNORE_NAK 0x1000 19 #define I2C_M_REV_DIR_ADDR 0x2000 20 #define I2C_M_NOSTART 0x4000 21 #define I2C_M_STOP 0x8000 22 __u16 len; 23 __u8 * buf; 24 }; 25 #define I2C_FUNC_I2C 0x00000001 26 #define I2C_FUNC_10BIT_ADDR 0x00000002 27 #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 28 #define I2C_FUNC_SMBUS_PEC 0x00000008 29 #define I2C_FUNC_NOSTART 0x00000010 30 #define I2C_FUNC_SLAVE 0x00000020 31 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 32 #define I2C_FUNC_SMBUS_QUICK 0x00010000 33 #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 34 #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 35 #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 36 #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 37 #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 38 #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 39 #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 40 #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 41 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 42 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 43 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 44 #define I2C_FUNC_SMBUS_HOST_NOTIFY 0x10000000 45 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE) 46 #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | I2C_FUNC_SMBUS_WRITE_BYTE_DATA) 47 #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA) 48 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) 49 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) 50 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_PEC) 51 #define I2C_FUNC_SMBUS_EMUL_ALL (I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_BLOCK_PROC_CALL) 52 #define I2C_SMBUS_BLOCK_MAX 32 53 union i2c_smbus_data { 54 __u8 byte; 55 __u16 word; 56 __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; 57 }; 58 #define I2C_SMBUS_READ 1 59 #define I2C_SMBUS_WRITE 0 60 #define I2C_SMBUS_QUICK 0 61 #define I2C_SMBUS_BYTE 1 62 #define I2C_SMBUS_BYTE_DATA 2 63 #define I2C_SMBUS_WORD_DATA 3 64 #define I2C_SMBUS_PROC_CALL 4 65 #define I2C_SMBUS_BLOCK_DATA 5 66 #define I2C_SMBUS_I2C_BLOCK_BROKEN 6 67 #define I2C_SMBUS_BLOCK_PROC_CALL 7 68 #define I2C_SMBUS_I2C_BLOCK_DATA 8 69 #endif 70