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09aecfab JK |
1 | /* |
2 | * FSI master definitions. These comprise the core <--> master interface, | |
3 | * to allow the core to interact with the (hardware-specific) masters. | |
4 | * | |
5 | * Copyright (C) IBM Corporation 2016 | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | ||
17 | #ifndef DRIVERS_FSI_MASTER_H | |
18 | #define DRIVERS_FSI_MASTER_H | |
19 | ||
20 | #include <linux/device.h> | |
21 | ||
4af889b0 JK |
22 | #define FSI_MASTER_FLAG_SWCLOCK 0x1 |
23 | ||
09aecfab JK |
24 | struct fsi_master { |
25 | struct device dev; | |
26 | int idx; | |
27 | int n_links; | |
28 | int flags; | |
29 | int (*read)(struct fsi_master *, int link, uint8_t id, | |
30 | uint32_t addr, void *val, size_t size); | |
31 | int (*write)(struct fsi_master *, int link, uint8_t id, | |
32 | uint32_t addr, const void *val, size_t size); | |
33 | int (*term)(struct fsi_master *, int link, uint8_t id); | |
34 | int (*send_break)(struct fsi_master *, int link); | |
35 | int (*link_enable)(struct fsi_master *, int link); | |
36 | }; | |
37 | ||
38 | #define dev_to_fsi_master(d) container_of(d, struct fsi_master, dev) | |
39 | ||
40 | extern int fsi_master_register(struct fsi_master *master); | |
41 | extern void fsi_master_unregister(struct fsi_master *master); | |
42 | ||
43 | #endif /* DRIVERS_FSI_MASTER_H */ |