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/* SPDX-License-Identifier: GPL-2.0 */
/*
* u_uac2.h
*
* Utility definitions for UAC2 function
*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
*/
#ifndef U_UAC2_H
#define U_UAC2_H
#include <linux/usb/composite.h>
#define UAC2_DEF_PCHMASK 0x3
#define UAC2_DEF_PSRATE 48000
#define UAC2_DEF_PSSIZE 2
#define UAC2_DEF_CCHMASK 0x3
#define UAC2_DEF_CSRATE 64000
#define UAC2_DEF_CSSIZE 2
#define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC
#define UAC2_DEF_MUTE_PRESENT 1
#define UAC2_DEF_VOLUME_PRESENT 1
#define UAC2_DEF_MIN_DB (-100*256) /* -100 dB */
#define UAC2_DEF_MAX_DB 0 /* 0 dB */
#define UAC2_DEF_RES_DB (1*256) /* 1 dB */
#define UAC2_DEF_REQ_NUM 2
#define UAC2_DEF_INT_REQ_NUM 10
struct f_uac2_opts {
struct usb_function_instance func_inst;
int p_chmask;
int p_srate;
int p_ssize;
int c_chmask;
int c_srate;
int c_ssize;
int c_sync;
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;
int fb_max;
bool bound;
struct mutex lock;
int refcnt;
};
#endif
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