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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/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 */