diff options
| author | claudio <claudio@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-02-09 21:38:27 +0000 |
|---|---|---|
| committer | claudio <claudio@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-02-09 21:38:27 +0000 |
| commit | 85a0242c71e34bdc6daa0abc33f787dc0859dae2 (patch) | |
| tree | c038d4ba0fc014f727be9878a416d19ade7becfa /target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h | |
| parent | 75d621a3c5be47428d04061841d1d56ebe707264 (diff) | |
Add i2c driver (to etrax) improved by Geert Vancompernolle
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14462 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h')
| -rw-r--r-- | target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h b/target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h new file mode 100644 index 000000000..970705898 --- /dev/null +++ b/target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h @@ -0,0 +1,31 @@ +/* $Id: i2c.h,v 1.3 2004/05/28 09:26:59 starvik Exp $ */
+#ifndef _I2C_H
+#define _I2C_H
+
+int i2c_init(void);
+
+/* High level I2C actions */
+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 */
+int i2c_start(void);
+int i2c_stop(void);
+int i2c_outbyte(unsigned char x);
+unsigned char i2c_inbyte(void);
+int i2c_getack(void);
+void i2c_sendack(void);
+void i2c_sendnack(void);
+
+/**GVC**/
+/* New low level I2C functions */
+int i2c_read( unsigned char slave, unsigned char* rbuf, unsigned char rlen );
+int i2c_write( unsigned char slave, unsigned char* wbuf, unsigned char wlen );
+int i2c_writeread( unsigned char slave
+ , unsigned char* wbuf
+ , unsigned char wlen
+ , unsigned char* rbuf
+ , unsigned char rlen
+ );
+/**END GVC**/
+#endif /* _I2C_H */
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