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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 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/types.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 */
};
#ifdef __KERNEL__
struct i2c_adapter;
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 /* __KERNEL__ */
#endif /* I2C_ALGO_ITE_H */
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