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/*
* Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
* 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, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __VIA_I2C_H__
#define __VIA_I2C_H__
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
struct via_i2c_stuff {
u16 i2c_port; /* GPIO or I2C port */
u16 is_active; /* Being used as I2C? */
struct i2c_adapter adapter;
struct i2c_algo_bit_data algo;
};
int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);
struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
extern int viafb_i2c_init(void);
extern void viafb_i2c_exit(void);
#endif /* __VIA_I2C_H__ */