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 | |
12 | struct i2c_client; |
13 | |
14 | struct 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 | |
22 | int fsi_master_i2cr_read(struct fsi_master_i2cr *i2cr, u32 addr, u64 *data); |
23 | int fsi_master_i2cr_write(struct fsi_master_i2cr *i2cr, u32 addr, u64 data); |
24 | |
25 | static 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 |