1 /*
2  * u_uac2.h
3  *
4  * Utility definitions for UAC2 function
5  *
6  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7  *		http://www.samsung.com
8  *
9  * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  */
15 
16 #ifndef U_UAC2_H
17 #define U_UAC2_H
18 
19 #include <linux/usb/composite.h>
20 
21 #define UAC2_DEF_PCHMASK 0x3
22 #define UAC2_DEF_PSRATE 48000
23 #define UAC2_DEF_PSSIZE 2
24 #define UAC2_DEF_CCHMASK 0x3
25 #define UAC2_DEF_CSRATE 64000
26 #define UAC2_DEF_CSSIZE 2
27 #define UAC2_DEF_REQ_NUM 2
28 
29 struct f_uac2_opts {
30 	struct usb_function_instance	func_inst;
31 	int				p_chmask;
32 	int				p_srate;
33 	int				p_ssize;
34 	int				c_chmask;
35 	int				c_srate;
36 	int				c_ssize;
37 	int				req_number;
38 	bool				bound;
39 
40 	struct mutex			lock;
41 	int				refcnt;
42 };
43 
44 #endif
45