/*

   * 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__ */