From 85a0242c71e34bdc6daa0abc33f787dc0859dae2 Mon Sep 17 00:00:00 2001
From: claudio <claudio@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 9 Feb 2009 21:38:27 +0000
Subject: Add i2c driver (to etrax) improved by Geert Vancompernolle

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14462 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../files/arch/cris/arch-v10/drivers/i2c_gvc.h     | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h

(limited to 'target/linux/etrax/files/arch/cris/arch-v10/drivers/i2c_gvc.h')

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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