| Nishad Kamdar | 2e75973 | 2020-03-28 16:41:15 +0530 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Andrzej Pietrasiewicz | cb38253 | 2014-11-06 11:11:59 +0100 | [diff] [blame] | 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 | * |
| Andrzej Pietrasiewicz | 1b4a3b5 | 2018-12-13 14:24:57 +0100 | [diff] [blame] | 10 | * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> |
| Andrzej Pietrasiewicz | cb38253 | 2014-11-06 11:11:59 +0100 | [diff] [blame] | 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 short report_length; |
| 24 | unsigned short report_desc_length; |
| 25 | unsigned char *report_desc; |
| 26 | bool report_desc_alloc; |
| Andrzej Pietrasiewicz | 21a9476 | 2014-11-06 11:12:03 +0100 | [diff] [blame] | 27 | |
| 28 | /* |
| 29 | * Protect the data form concurrent access by read/write |
| 30 | * and create symlink/remove symlink. |
| 31 | */ |
| 32 | struct mutex lock; |
| 33 | int refcnt; |
| Andrzej Pietrasiewicz | cb38253 | 2014-11-06 11:11:59 +0100 | [diff] [blame] | 34 | }; |
| 35 | |
| 36 | int ghid_setup(struct usb_gadget *g, int count); |
| 37 | void ghid_cleanup(void); |
| 38 | |
| 39 | #endif /* U_HID_H */ |