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Diffstat (limited to 'include/linux/i2c-algo-ite.h')
-rw-r--r--include/linux/i2c-algo-ite.h69
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diff --git a/include/linux/i2c-algo-ite.h b/include/linux/i2c-algo-ite.h
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+/* ------------------------------------------------------------------------- */
+/* 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 Ky�sti M�lkki <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 */