forked from luck/tmp_suning_uos_patched
201ca54aa0
- Add i2c_write and i2c_read as functions. - Use spinlocks for critical regions. - Add config item to set I2C data and clock port. - Put unneeded testcode inside #if 0. - Remove CVS id tag.
18 lines
551 B
C
18 lines
551 B
C
|
|
#include <linux/init.h>
|
|
|
|
/* High level I2C actions */
|
|
int __init i2c_init(void);
|
|
int i2c_write(unsigned char theSlave, void *data, size_t nbytes);
|
|
int i2c_read(unsigned char theSlave, void *data, size_t nbytes);
|
|
int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue);
|
|
unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg);
|
|
|
|
/* Low level I2C */
|
|
void i2c_start(void);
|
|
void i2c_stop(void);
|
|
void i2c_outbyte(unsigned char x);
|
|
unsigned char i2c_inbyte(void);
|
|
int i2c_getack(void);
|
|
void i2c_sendack(void);
|