linux/include/linux/via_i2c.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.

 */
#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__ */