/* * 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__ */