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Diffstat (limited to 'kernel/arch/cris/arch-v32/drivers/i2c.h')
-rw-r--r--kernel/arch/cris/arch-v32/drivers/i2c.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/arch/cris/arch-v32/drivers/i2c.h b/kernel/arch/cris/arch-v32/drivers/i2c.h
new file mode 100644
index 000000000..d9cc856f8
--- /dev/null
+++ b/kernel/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);