| /* |
| * 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 */ |