1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
 4 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
 5
 6 */
 7#ifndef __VIA_I2C_H__
 8#define __VIA_I2C_H__
 9
10#include <linux/i2c.h>
11#include <linux/i2c-algo-bit.h>
12
13struct via_i2c_stuff {
14	u16 i2c_port;			/* GPIO or I2C port */
15	u16 is_active;			/* Being used as I2C? */
16	struct i2c_adapter adapter;
17	struct i2c_algo_bit_data algo;
18};
19
20
21int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
22int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
23int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);
24struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
25
26extern int viafb_i2c_init(void);
27extern void viafb_i2c_exit(void);
28#endif /* __VIA_I2C_H__ */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
 4 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
 5
 6 */
 7#ifndef __VIA_I2C_H__
 8#define __VIA_I2C_H__
 9
10#include <linux/i2c.h>
11#include <linux/i2c-algo-bit.h>
12
13struct via_i2c_stuff {
14	u16 i2c_port;			/* GPIO or I2C port */
15	u16 is_active;			/* Being used as I2C? */
16	struct i2c_adapter adapter;
17	struct i2c_algo_bit_data algo;
18};
19
20
21int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
22int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
23int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);
24struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
25
26extern int viafb_i2c_init(void);
27extern void viafb_i2c_exit(void);
28#endif /* __VIA_I2C_H__ */