1/*-
2 * Copyright (c) 2021 Beckhoff Automation GmbH & Co. KG
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 */
26
27#ifndef _LINUX_I2C_ALGO_BIT_H_
28#define	_LINUX_I2C_ALGO_BIT_H_
29
30#include <linux/i2c.h>
31
32struct i2c_algo_bit_data {
33	void *data;
34	void (*setsda) (void *data, int state);
35	void (*setscl) (void *data, int state);
36	int (*getsda) (void *data);
37	int (*getscl) (void *data);
38	int (*pre_xfer)  (struct i2c_adapter *);
39	void (*post_xfer) (struct i2c_adapter *);
40
41	int udelay;
42	int timeout;
43};
44
45int lkpi_i2c_bit_add_bus(struct i2c_adapter *adapter);
46
47#define	i2c_bit_add_bus(adapter)	lkpi_i2c_bit_add_bus(adapter)
48
49#endif	/*_LINUX_I2C_ALGO_BIT_H_ */
50