brintos

brintos / linux-shallow public Read only

0
0
Text · 824 B · 96636bf Raw
34 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (C) IBM Corporation 2023 */3 4#ifndef DRIVERS_FSI_MASTER_I2CR_H5#define DRIVERS_FSI_MASTER_I2CR_H6 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