1 2#include <linux/init.h> 3 4/* High level I2C actions */ 5int __init i2c_init(void); 6int i2c_write(unsigned char theSlave, void *data, size_t nbytes); 7int i2c_read(unsigned char theSlave, void *data, size_t nbytes); 8int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue); 9unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg); 10 11/* Low level I2C */ 12void i2c_start(void); 13void i2c_stop(void); 14void i2c_outbyte(unsigned char x); 15unsigned char i2c_inbyte(void); 16int i2c_getack(void); 17void i2c_sendack(void); 18