patch-2.4.10 linux/include/linux/i2c-algo-ite.h

• Lines: 70
• Date: Fri Sep 14 14:04:07 2001
• Orig file: v2.4.9/linux/include/linux/i2c-algo-ite.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/include/linux/i2c-algo-ite.h linux/include/linux/i2c-algo-ite.h
@@ -0,0 +1,69 @@
+/* ------------------------------------------------------------------------- */
+/* i2c-algo-ite.h i2c driver algorithms for ITE IIC adapters                 */
+/* ------------------------------------------------------------------------- */
+/*   Copyright (C) 1995-97 Simon G. Vogl
+                   1998-99 Hans Berglund
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                */
+/* ------------------------------------------------------------------------- */
+
+/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
+   Frodo Looijaard <frodol@dds.nl> */
+
+/* Modifications by MontaVista Software, 2001
+   Changes made to support the ITE IIC peripheral */
+
+
+#ifndef I2C_ALGO_ITE_H
+#define I2C_ALGO_ITE_H 1
+
+#include <linux/i2c.h>
+
+/* Example of a sequential read request:
+	struct i2c_iic_msg s_msg; 
+
+	s_msg.addr=device_address;
+	s_msg.len=length;
+	s_msg.buf=buffer;
+	s_msg.waddr=word_address;
+	ioctl(file,I2C_SREAD, &s_msg);
+ */
+#define I2C_SREAD	0x780	/* SREAD ioctl command */
+
+struct i2c_iic_msg {
+	__u16 addr;	/* device address */
+	__u16 waddr;	/* word address */
+	short len;	/* msg length */
+	char *buf;	/* pointer to msg data */
+};
+
+struct i2c_algo_iic_data {
+	void *data;		/* private data for lolevel routines	*/
+	void (*setiic) (void *data, int ctl, int val);
+	int  (*getiic) (void *data, int ctl);
+	int  (*getown) (void *data);
+	int  (*getclock) (void *data);
+	void (*waitforpin) (void);     
+
+	/* local settings */
+	int udelay;
+	int mdelay;
+	int timeout;
+};
+
+int i2c_iic_add_bus(struct i2c_adapter *);
+int i2c_iic_del_bus(struct i2c_adapter *);
+
+#endif /* I2C_ALGO_ITE_H */