1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Copyright (C) IBM Corporation 2023 */
3
4#ifndef DRIVERS_FSI_MASTER_I2CR_H
5#define DRIVERS_FSI_MASTER_I2CR_H
6
7#include <linux/i2c.h>
8#include <linux/mutex.h>
9
10#include "fsi-master.h"
11
12struct i2c_client;
13
14struct fsi_master_i2cr {
15	struct fsi_master master;
16	struct mutex lock;	/* protect HW access */
17	struct i2c_client *client;
18};
19
20#define to_fsi_master_i2cr(m)	container_of(m, struct fsi_master_i2cr, master)
21
22int fsi_master_i2cr_read(struct fsi_master_i2cr *i2cr, u32 addr, u64 *data);
23int fsi_master_i2cr_write(struct fsi_master_i2cr *i2cr, u32 addr, u64 data);
24
25static inline bool is_fsi_master_i2cr(struct fsi_master *master)
26{
27	if (master->dev.parent && master->dev.parent->type == &i2c_client_type)
28		return true;
29
30	return false;
31}
32
33#endif /* DRIVERS_FSI_MASTER_I2CR_H */
34