| /* | |
| * u_tcm.h | |
| * | |
| * Utility definitions for the tcm function | |
| * | |
| * Copyright (c) 2015 Samsung Electronics Co., Ltd. | |
| * http://www.samsung.com | |
| * | |
| * Author: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx> | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| */ | |
| #ifndef U_TCM_H | |
| #define U_TCM_H | |
| #include <linux/usb/composite.h> | |
| /** | |
| * @dependent: optional dependent module. Meant for legacy gadget. | |
| * If non-null its refcount will be increased when a tpg is created and | |
| * decreased when tpg is dropped. | |
| * @dep_lock: lock for dependent module operations. | |
| * @ready: true if the dependent module information is set. | |
| * @can_attach: true a function can be bound to gadget | |
| * @has_dep: true if there is a dependent module | |
| * | |
| */ | |
| struct f_tcm_opts { | |
| struct usb_function_instance func_inst; | |
| struct module *dependent; | |
| struct mutex dep_lock; | |
| bool ready; | |
| bool can_attach; | |
| bool has_dep; | |
| /* | |
| * Callbacks to be removed when legacy tcm gadget disappears. | |
| * | |
| * If you use the new function registration interface | |
| * programmatically, you MUST set these callbacks to | |
| * something sensible (e.g. probe/remove the composite). | |
| */ | |
| int (*tcm_register_callback)(struct usb_function_instance *); | |
| void (*tcm_unregister_callback)(struct usb_function_instance *); | |
| }; | |
| #endif /* U_TCM_H */ |