36#ifndef _UAPI_LINUX_I2C_H
37#define _UAPI_LINUX_I2C_H
72#define I2C_M_TEN 0x0010
79#define I2C_M_RD 0x0001
90#define I2C_M_STOP 0x8000
100#define I2C_M_NOSTART 0x4000
110#define I2C_M_REV_DIR_ADDR 0x2000
120#define I2C_M_IGNORE_NAK 0x1000
131#define I2C_M_NO_RD_ACK 0x0800
144#define I2C_M_RECV_LEN 0x0400
192#define I2C_FUNC_I2C 0x00000001
193#define I2C_FUNC_10BIT_ADDR 0x00000002
194#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004
195#define I2C_FUNC_SMBUS_PEC 0x00000008
196#define I2C_FUNC_NOSTART 0x00000010
197#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000
198#define I2C_FUNC_SMBUS_QUICK 0x00010000
199#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
200#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
201#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
202#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
203#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
204#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
205#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
206#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
207#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
208#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000
209#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000
211#define I2C_FUNC_SMBUS_BYTE \
212 (I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE)
214#define I2C_FUNC_SMBUS_BYTE_DATA \
215 (I2C_FUNC_SMBUS_READ_BYTE_DATA | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
217#define I2C_FUNC_SMBUS_WORD_DATA \
218 (I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA)
220#define I2C_FUNC_SMBUS_BLOCK_DATA \
221 (I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
223#define I2C_FUNC_SMBUS_I2C_BLOCK \
224 (I2C_FUNC_SMBUS_READ_I2C_BLOCK | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
226#define I2C_FUNC_SMBUS_EMUL \
227 (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA \
228 | I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_PROC_CALL \
229 | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | I2C_FUNC_SMBUS_I2C_BLOCK \
230 | I2C_FUNC_SMBUS_PEC)
237#define I2C_SMBUS_BLOCK_MAX 32
254#define I2C_SMBUS_READ 1
256#define I2C_SMBUS_WRITE 0
266#define I2C_SMBUS_QUICK 0
268#define I2C_SMBUS_BYTE 1
270#define I2C_SMBUS_BYTE_DATA 2
272#define I2C_SMBUS_WORD_DATA 3
274#define I2C_SMBUS_PROC_CALL 4
276#define I2C_SMBUS_BLOCK_DATA 5
278#define I2C_SMBUS_I2C_BLOCK_BROKEN 6
280#define I2C_SMBUS_BLOCK_PROC_CALL 7
282#define I2C_SMBUS_I2C_BLOCK_DATA 8
#define I2C_SMBUS_BLOCK_MAX
Maximum SMBus data block count.
Definition: i2c.h:237
I2C transfer message.
Definition: i2c.h:151
uint16_t len
The message data length in bytes.
Definition: i2c.h:178
uint16_t flags
The message flags.
Definition: i2c.h:173
uint8_t * buf
Pointer to the message data.
Definition: i2c.h:183
uint16_t addr
The slave address.
Definition: i2c.h:158
SMBus data.
Definition: i2c.h:242