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i2c-algo-ite.h
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /* ------------------------------------------------------------------------- */
- /* 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鰏ti M鋖kki <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 */