| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _LINUX_I2C_H |
| #define _LINUX_I2C_H |
| |
| #include <linux/types.h> |
| |
| struct i2c_msg { |
| __u16 addr; |
| __u16 flags; |
| #define I2C_M_TEN 0x10 |
| #define I2C_M_RD 0x01 |
| #define I2C_M_NOSTART 0x4000 |
| #define I2C_M_REV_DIR_ADDR 0x2000 |
| #define I2C_M_IGNORE_NAK 0x1000 |
| #define I2C_M_NO_RD_ACK 0x0800 |
| __u16 len; |
| __u8 *buf; |
| }; |
| |
| #define I2C_FUNC_I2C 0x00000001 |
| #define I2C_FUNC_10BIT_ADDR 0x00000002 |
| #define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 |
| #define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 |
| #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 |
| #define I2C_FUNC_SMBUS_QUICK 0x00010000 |
| #define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 |
| #define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 |
| #define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 |
| #define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 |
| #define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 |
| #define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 |
| #define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 |
| #define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 |
| #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 |
| #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 |
| #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 |
| #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 |
| #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 |
| |
| #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE) |
| #define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | I2C_FUNC_SMBUS_WRITE_BYTE_DATA) |
| #define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA) |
| #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) |
| #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) |
| #define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2) |
| |
| #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) |
| |
| #define I2C_SMBUS_BLOCK_MAX 32 |
| union i2c_smbus_data { |
| __u8 byte; |
| __u16 word; |
| __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; |
| |
| }; |
| |
| #define I2C_SMBUS_READ 1 |
| #define I2C_SMBUS_WRITE 0 |
| |
| #define I2C_SMBUS_QUICK 0 |
| #define I2C_SMBUS_BYTE 1 |
| #define I2C_SMBUS_BYTE_DATA 2 |
| #define I2C_SMBUS_WORD_DATA 3 |
| #define I2C_SMBUS_PROC_CALL 4 |
| #define I2C_SMBUS_BLOCK_DATA 5 |
| #define I2C_SMBUS_I2C_BLOCK_DATA 6 |
| #define I2C_SMBUS_BLOCK_PROC_CALL 7 |
| |
| #define I2C_RETRIES 0x0701 |
| |
| #define I2C_TIMEOUT 0x0702 |
| |
| #define I2C_SLAVE 0x0703 |
| |
| #define I2C_SLAVE_FORCE 0x0706 |
| |
| #define I2C_TENBIT 0x0704 |
| |
| #define I2C_FUNCS 0x0705 |
| #define I2C_RDWR 0x0707 |
| #define I2C_PEC 0x0708 |
| |
| #define I2C_SMBUS 0x0720 |
| |
| #endif |
