projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |