1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * u_uac2.h
 4 *
 5 * Utility definitions for UAC2 function
 6 *
 7 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
 8 *		http://www.samsung.com
 9 *
10 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
11 */
12
13#ifndef U_UAC2_H
14#define U_UAC2_H
15
16#include <linux/usb/composite.h>
17
18#define UAC2_DEF_PCHMASK 0x3
19#define UAC2_DEF_PSRATE 48000
20#define UAC2_DEF_PSSIZE 2
21#define UAC2_DEF_CCHMASK 0x3
22#define UAC2_DEF_CSRATE 64000
23#define UAC2_DEF_CSSIZE 2
24#define UAC2_DEF_REQ_NUM 2
25
26struct f_uac2_opts {
27	struct usb_function_instance	func_inst;
28	int				p_chmask;
29	int				p_srate;
30	int				p_ssize;
31	int				c_chmask;
32	int				c_srate;
33	int				c_ssize;
34	int				req_number;
35	bool				bound;
36
37	struct mutex			lock;
38	int				refcnt;
39};
40
41#endif