| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * u_hid.h |
| 4 | * |
| 5 | * Utility definitions for the hid function |
| 6 | * |
| 7 | * Copyright (c) 2014 Samsung Electronics Co., Ltd. |
| 8 | * http://www.samsung.com |
| 9 | * |
| 10 | * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> |
| 11 | */ |
| 12 | |
| 13 | #ifndef U_HID_H |
| 14 | #define U_HID_H |
| 15 | |
| 16 | #include <linux/usb/composite.h> |
| 17 | |
| 18 | struct f_hid_opts { |
| 19 | struct usb_function_instance func_inst; |
| 20 | int minor; |
| 21 | unsigned char subclass; |
| 22 | unsigned char protocol; |
| 23 | unsigned char no_out_endpoint; |
| 24 | unsigned short report_length; |
| 25 | unsigned short report_desc_length; |
| 26 | unsigned char *report_desc; |
| 27 | bool report_desc_alloc; |
| 28 | |
| 29 | /* |
| 30 | * Protect the data form concurrent access by read/write |
| 31 | * and create symlink/remove symlink. |
| 32 | */ |
| 33 | struct mutex lock; |
| 34 | int refcnt; |
| 35 | }; |
| 36 | |
| 37 | int ghid_setup(struct usb_gadget *g, int count); |
| 38 | void ghid_cleanup(void); |
| 39 | |
| 40 | #endif /* U_HID_H */ |