1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * u_uac1.h - Utility definitions for UAC1 function
4 *
5 * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com>
6 */
7
8 #ifndef __U_UAC1_H
9 #define __U_UAC1_H
10
11 #include <linux/usb/composite.h>
12
13 #define UAC1_OUT_EP_MAX_PACKET_SIZE 200
14 #define UAC1_DEF_CCHMASK 0x3
15 #define UAC1_DEF_CSRATE 48000
16 #define UAC1_DEF_CSSIZE 2
17 #define UAC1_DEF_PCHMASK 0x3
18 #define UAC1_DEF_PSRATE 48000
19 #define UAC1_DEF_PSSIZE 2
20 #define UAC1_DEF_REQ_NUM 2
21
22
23 struct f_uac1_opts {
24 struct usb_function_instance func_inst;
25 int c_chmask;
26 int c_srate;
27 int c_ssize;
28 int p_chmask;
29 int p_srate;
30 int p_ssize;
31 int req_number;
32 unsigned bound:1;
33
34 struct mutex lock;
35 int refcnt;
36 };
37
38 #endif /* __U_UAC1_H */