| Jeremy Kerr | 09aecfa | 2017-06-06 16:08:36 -0500 | [diff] [blame] | 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 | |
| 22 | struct fsi_master { |
| 23 | struct device dev; |
| 24 | int idx; |
| 25 | int n_links; |
| 26 | int flags; |
| 27 | int (*read)(struct fsi_master *, int link, uint8_t id, |
| 28 | uint32_t addr, void *val, size_t size); |
| 29 | int (*write)(struct fsi_master *, int link, uint8_t id, |
| 30 | uint32_t addr, const void *val, size_t size); |
| 31 | int (*term)(struct fsi_master *, int link, uint8_t id); |
| 32 | int (*send_break)(struct fsi_master *, int link); |
| 33 | int (*link_enable)(struct fsi_master *, int link); |
| 34 | }; |
| 35 | |
| 36 | #define dev_to_fsi_master(d) container_of(d, struct fsi_master, dev) |
| 37 | |
| 38 | extern int fsi_master_register(struct fsi_master *master); |
| 39 | extern void fsi_master_unregister(struct fsi_master *master); |
| 40 | |
| 41 | #endif /* DRIVERS_FSI_MASTER_H */ |