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 <andrzejtp2010@gmail.com>
11 */
12
13#ifndef U_UAC2_H
14#define U_UAC2_H
15
16#include <linux/usb/composite.h>
17#include "uac_common.h"
18
19#define UAC2_DEF_PCHMASK 0x3
20#define UAC2_DEF_PSRATE 48000
21#define UAC2_DEF_PSSIZE 2
22#define UAC2_DEF_PHSBINT 0
23#define UAC2_DEF_CCHMASK 0x3
24#define UAC2_DEF_CSRATE 64000
25#define UAC2_DEF_CSSIZE 2
26#define UAC2_DEF_CHSBINT 0
27#define UAC2_DEF_CSYNC		USB_ENDPOINT_SYNC_ASYNC
28
29#define UAC2_DEF_MUTE_PRESENT	1
30#define UAC2_DEF_VOLUME_PRESENT 1
31#define UAC2_DEF_MIN_DB		(-100*256)	/* -100 dB */
32#define UAC2_DEF_MAX_DB		0		/* 0 dB */
33#define UAC2_DEF_RES_DB		(1*256)		/* 1 dB */
34
35#define UAC2_DEF_REQ_NUM 2
36#define UAC2_DEF_INT_REQ_NUM	10
37
38#define UAC2_DEF_P_TERM_TYPE 0x301
39	/* UAC_OUTPUT_TERMINAL_SPEAKER */
40#define UAC2_DEF_C_TERM_TYPE 0x201
41	/* UAC_INPUT_TERMINAL_MICROPHONE*/
42
43struct f_uac2_opts {
44	struct usb_function_instance	func_inst;
45	int				p_chmask;
46	int				p_srates[UAC_MAX_RATES];
47	int				p_ssize;
48	u8				p_hs_bint;
49	int				c_chmask;
50	int				c_srates[UAC_MAX_RATES];
51	int				c_ssize;
52	int				c_sync;
53	u8				c_hs_bint;
54
55	bool			p_mute_present;
56	bool			p_volume_present;
57	s16				p_volume_min;
58	s16				p_volume_max;
59	s16				p_volume_res;
60
61	bool			c_mute_present;
62	bool			c_volume_present;
63	s16				c_volume_min;
64	s16				c_volume_max;
65	s16				c_volume_res;
66
67	int				req_number;
68	int				fb_max;
69	bool			bound;
70
71	char			function_name[32];
72
73	s16				p_terminal_type;
74	s16				c_terminal_type;
75
76	struct mutex			lock;
77	int				refcnt;
78};
79
80#endif
81