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 13#define UAC1_OUT_EP_MAX_PACKET_SIZE 200 14#define UAC1_DEF_CCHMASK 0x3 15#define UAC1_DEF_CSRATE 48000 16#define UAC1_DEF_CSSIZE 2 17#define UAC1_DEF_PCHMASK 0x3 18#define UAC1_DEF_PSRATE 48000 19#define UAC1_DEF_PSSIZE 2 20#define UAC1_DEF_REQ_NUM 2 21 22 23struct f_uac1_opts { 24 struct usb_function_instance func_inst; 25 int c_chmask; 26 int c_srate; 27 int c_ssize; 28 int p_chmask; 29 int p_srate; 30 int p_ssize; 31 int req_number; 32 unsigned bound:1; 33 34 struct mutex lock; 35 int refcnt; 36}; 37 38#endif /* __U_UAC1_H */ 39