target/linux/etrax/files-2.6.25/arch/cris/arch-v10/drivers/i2c_gvc.h

   1 #ifndef _I2C_H\r
   2 #define _I2C_H\r
   3 \r
   4 int i2c_init(void);\r
   5 \r
   6 /* High level I2C actions */\r
   7 int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue);\r
   8 unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg);\r
   9 \r
  10 /* Low level I2C */\r
  11 int i2c_start(void);\r
  12 int i2c_stop(void);\r
  13 int i2c_outbyte(unsigned char x);\r
  14 unsigned char i2c_inbyte(void);\r
  15 int i2c_getack(void);\r
  16 void i2c_sendack(void);\r
  17 void i2c_sendnack(void);\r
  18 \r
  19 /**GVC**/\r
  20 /* New low level I2C functions */\r
  21 int i2c_read( unsigned char slave, unsigned char* rbuf, unsigned char rlen );\r
  22 int i2c_write( unsigned char slave, unsigned char* wbuf, unsigned char wlen );\r
  23 int i2c_writeread( unsigned char  slave\r
  24                  , unsigned char* wbuf\r
  25                  , unsigned char  wlen\r
  26                  , unsigned char* rbuf\r
  27                  , unsigned char  rlen\r
  28                  );\r
  29 /**END GVC**/\r
  30 #endif /* _I2C_H */\r