12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- #ifndef _HI_I2C_H
- #define _HI_I2C_H
- /* /dev/i2c-X ioctl commands. The ioctl's parameter is always an
- * unsigned long, except for:
- * - I2C_FUNCS, takes pointer to an unsigned long
- * - I2C_RDWR, takes pointer to struct i2c_rdwr_ioctl_data
- * - I2C_SMBUS, takes pointer to struct i2c_smbus_ioctl_data
- */
- #define I2C_RETRIES 0x0701 /* number of times a device address should
- be polled when not acknowledging */
- #define I2C_TIMEOUT 0x0702 /* set timeout in units of 10 ms */
- /* NOTE: Slave address is 7 or 10 bits, but 10-bit addresses
- * are NOT supported! (due to code brokenness)
- */
- #define I2C_SLAVE 0x0703 /* Use this slave address */
- #define I2C_SLAVE_FORCE 0x0706 /* Use this slave address, even if it
- is already in use by a driver! */
- #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */
- #define I2C_FUNCS 0x0705 /* Get the adapter functionality mask */
- #define I2C_RDWR 0x0707 /* Combined R/W transfer (one STOP only) */
- #define I2C_PEC 0x0708 /* != 0 to use PEC with SMBus */
- #define I2C_SMBUS 0x0720 /* SMBus transfer */
- #define I2C_16BIT_REG 0x0709 /* 16BIT REG WIDTH */
- #define I2C_16BIT_DATA 0x070a /* 16BIT DATA WIDTH */
- typedef struct hiI2C_DATA_S
- {
- unsigned char dev_addr;
- unsigned int reg_addr;
- unsigned int addr_byte_num;
- unsigned int data;
- unsigned int data_byte_num;
- }I2C_DATA_S;
- #endif
|