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 | #include "uac_common.h" |
13 | |
14 | #define UAC1_OUT_EP_MAX_PACKET_SIZE 200 |
15 | #define UAC1_DEF_CCHMASK 0x3 |
16 | #define UAC1_DEF_CSRATE 48000 |
17 | #define UAC1_DEF_CSSIZE 2 |
18 | #define UAC1_DEF_PCHMASK 0x3 |
19 | #define UAC1_DEF_PSRATE 48000 |
20 | #define UAC1_DEF_PSSIZE 2 |
21 | #define UAC1_DEF_REQ_NUM 2 |
22 | #define UAC1_DEF_INT_REQ_NUM 10 |
23 | |
24 | #define UAC1_DEF_MUTE_PRESENT 1 |
25 | #define UAC1_DEF_VOLUME_PRESENT 1 |
26 | #define UAC1_DEF_MIN_DB (-100*256) /* -100 dB */ |
27 | #define UAC1_DEF_MAX_DB 0 /* 0 dB */ |
28 | #define UAC1_DEF_RES_DB (1*256) /* 1 dB */ |
29 | |
30 | |
31 | struct f_uac1_opts { |
32 | struct usb_function_instance func_inst; |
33 | int c_chmask; |
34 | int c_srates[UAC_MAX_RATES]; |
35 | int c_ssize; |
36 | int p_chmask; |
37 | int p_srates[UAC_MAX_RATES]; |
38 | int p_ssize; |
39 | |
40 | bool p_mute_present; |
41 | bool p_volume_present; |
42 | s16 p_volume_min; |
43 | s16 p_volume_max; |
44 | s16 p_volume_res; |
45 | |
46 | bool c_mute_present; |
47 | bool c_volume_present; |
48 | s16 c_volume_min; |
49 | s16 c_volume_max; |
50 | s16 c_volume_res; |
51 | |
52 | int req_number; |
53 | unsigned bound:1; |
54 | |
55 | char function_name[32]; |
56 | |
57 | struct mutex lock; |
58 | int refcnt; |
59 | }; |
60 | |
61 | #endif /* __U_UAC1_H */ |
62 | |