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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>
enum via_i2c_type {
VIA_I2C_NONE,
VIA_I2C_I2C,
VIA_I2C_GPIO,
};
/* private data for each adapter */
struct via_i2c_adap_cfg {
enum via_i2c_type type;
u_int16_t io_port;
u_int8_t ioport_index;
u8 is_active;
};
struct via_i2c_stuff {
u16 i2c_port; /* GPIO or I2C port */
struct i2c_adapter adapter;
struct i2c_algo_bit_data algo;
};
enum viafb_i2c_adap {
VIA_I2C_ADAP_26,
VIA_I2C_ADAP_31,
VIA_I2C_ADAP_25,
VIA_I2C_ADAP_2C,
VIA_I2C_ADAP_3D,
};
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 viafb_par;
int viafb_create_i2c_busses(struct viafb_par *par);
void viafb_delete_i2c_busses(struct viafb_par *par);
#endif /* __VIA_I2C_H__ */
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