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42 lines
1.5 KiB
42 lines
1.5 KiB
/*
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* Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
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* Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR
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* A PARTICULAR PURPOSE.See the GNU General Public License
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* for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __VIA_I2C_H__
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#define __VIA_I2C_H__
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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struct via_i2c_stuff {
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u16 i2c_port; /* GPIO or I2C port */
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u16 is_active; /* Being used as I2C? */
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struct i2c_adapter adapter;
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struct i2c_algo_bit_data algo;
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};
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int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
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int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
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int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);
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struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
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extern int viafb_i2c_init(void);
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extern void viafb_i2c_exit(void);
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#endif /* __VIA_I2C_H__ */
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