| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * u_uac1.h - Utility definitions for UAC1 function |
| * |
| * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __U_UAC1_H |
| #define __U_UAC1_H |
| |
| #include <linux/usb/composite.h> |
| |
| #define UAC1_OUT_EP_MAX_PACKET_SIZE 200 |
| #define UAC1_DEF_CCHMASK 0x3 |
| #define UAC1_DEF_CSRATE 48000 |
| #define UAC1_DEF_CSSIZE 2 |
| #define UAC1_DEF_PCHMASK 0x3 |
| #define UAC1_DEF_PSRATE 48000 |
| #define UAC1_DEF_PSSIZE 2 |
| #define UAC1_DEF_REQ_NUM 2 |
| |
| |
| struct f_uac1_opts { |
| struct usb_function_instance func_inst; |
| int c_chmask; |
| int c_srate; |
| int c_ssize; |
| int p_chmask; |
| int p_srate; |
| int p_ssize; |
| int req_number; |
| unsigned bound:1; |
| |
| struct mutex lock; |
| int refcnt; |
| }; |
| |
| #endif /* __U_UAC1_H */ |
