Viewing file:  via_i2c.h (844 B) -rw-r--r--
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/* 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__ */
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