diff options
Diffstat (limited to 'arch/cris/arch-v32/drivers/i2c.h')
-rw-r--r-- | arch/cris/arch-v32/drivers/i2c.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/cris/arch-v32/drivers/i2c.h b/arch/cris/arch-v32/drivers/i2c.h new file mode 100644 index 000000000..d9cc856f8 --- /dev/null +++ b/arch/cris/arch-v32/drivers/i2c.h @@ -0,0 +1,16 @@ + +#include <linux/init.h> + +/* High level I2C actions */ +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); |