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

   1 /* $Id: i2c.h,v 1.3 2004/05/28 09:26:59 starvik Exp $ */\r
   2 #ifndef _I2C_H\r
   3 #define _I2C_H\r
   4 \r
   5 int i2c_init(void);\r
   6 \r
   7 /* High level I2C actions */\r
   8 int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue);\r
   9 unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg);\r
  10 \r
  11 /* Low level I2C */\r
  12 int i2c_start(void);\r
  13 int i2c_stop(void);\r
  14 int i2c_outbyte(unsigned char x);\r
  15 unsigned char i2c_inbyte(void);\r
  16 int i2c_getack(void);\r
  17 void i2c_sendack(void);\r
  18 void i2c_sendnack(void);\r
  19 \r
  20 /**GVC**/\r
  21 /* New low level I2C functions */\r
  22 int i2c_read( unsigned char slave, unsigned char* rbuf, unsigned char rlen );\r
  23 int i2c_write( unsigned char slave, unsigned char* wbuf, unsigned char wlen );\r
  24 int i2c_writeread( unsigned char  slave\r
  25                  , unsigned char* wbuf\r
  26                  , unsigned char  wlen\r
  27                  , unsigned char* rbuf\r
  28                  , unsigned char  rlen\r
  29                  );\r
  30 /**END GVC**/\r
  31 #endif /* _I2C_H */\r