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/* SPDX-License-Identifier: GPL-2.0 */
/*
* u_uac1.h - Utility definitions for UAC1 function
*
* Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com>
*/
#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
#define UAC1_DEF_INT_REQ_NUM 10
#define UAC1_DEF_MUTE_PRESENT 1
#define UAC1_DEF_VOLUME_PRESENT 1
#define UAC1_DEF_MIN_DB (-100*256) /* -100 dB */
#define UAC1_DEF_MAX_DB 0 /* 0 dB */
#define UAC1_DEF_RES_DB (1*256) /* 1 dB */
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;
bool p_mute_present;
bool p_volume_present;
s16 p_volume_min;
s16 p_volume_max;
s16 p_volume_res;
bool c_mute_present;
bool c_volume_present;
s16 c_volume_min;
s16 c_volume_max;
s16 c_volume_res;
int req_number;
unsigned bound:1;
struct mutex lock;
int refcnt;
};
#endif /* __U_UAC1_H */
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