| Nishad Kamdar | 2e75973 | 2020-03-28 16:41:15 +0530 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Andrzej Pietrasiewicz | b85e9de | 2014-10-16 13:33:27 +0200 | [diff] [blame] | 2 | /* |
| 3 | * u_midi.h |
| 4 | * |
| 5 | * Utility definitions for the midi 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 | b85e9de | 2014-10-16 13:33:27 +0200 | [diff] [blame] | 11 | */ |
| 12 | |
| 13 | #ifndef U_MIDI_H |
| 14 | #define U_MIDI_H |
| 15 | |
| 16 | #include <linux/usb/composite.h> |
| 17 | |
| 18 | struct f_midi_opts { |
| 19 | struct usb_function_instance func_inst; |
| 20 | int index; |
| 21 | char *id; |
| Andrzej Pietrasiewicz | 6f1de34 | 2014-10-16 13:33:31 +0200 | [diff] [blame] | 22 | bool id_allocated; |
| Andrzej Pietrasiewicz | b85e9de | 2014-10-16 13:33:27 +0200 | [diff] [blame] | 23 | unsigned int in_ports; |
| 24 | unsigned int out_ports; |
| 25 | unsigned int buflen; |
| 26 | unsigned int qlen; |
| Andrzej Pietrasiewicz | 6f1de34 | 2014-10-16 13:33:31 +0200 | [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 | b85e9de | 2014-10-16 13:33:27 +0200 | [diff] [blame] | 34 | }; |
| 35 | |
| 36 | #endif /* U_MIDI_H */ |
| 37 | |