62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* u_uac1.h - Utility definitions for UAC1 function
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*
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* Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com>
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*/
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#ifndef __U_UAC1_H
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#define __U_UAC1_H
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#include <linux/usb/composite.h>
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#include "uac_common.h"
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#define UAC1_OUT_EP_MAX_PACKET_SIZE 200
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#define UAC1_DEF_CCHMASK 0x3
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#define UAC1_DEF_CSRATE 48000
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#define UAC1_DEF_CSSIZE 2
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#define UAC1_DEF_PCHMASK 0x3
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#define UAC1_DEF_PSRATE 48000
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#define UAC1_DEF_PSSIZE 2
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#define UAC1_DEF_REQ_NUM 2
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#define UAC1_DEF_INT_REQ_NUM 10
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#define UAC1_DEF_MUTE_PRESENT 1
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#define UAC1_DEF_VOLUME_PRESENT 1
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#define UAC1_DEF_MIN_DB (-100*256) /* -100 dB */
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#define UAC1_DEF_MAX_DB 0 /* 0 dB */
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#define UAC1_DEF_RES_DB (1*256) /* 1 dB */
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struct f_uac1_opts {
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struct usb_function_instance func_inst;
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int c_chmask;
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int c_srates[UAC_MAX_RATES];
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int c_ssize;
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int p_chmask;
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int p_srates[UAC_MAX_RATES];
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int p_ssize;
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bool p_mute_present;
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bool p_volume_present;
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s16 p_volume_min;
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s16 p_volume_max;
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s16 p_volume_res;
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bool c_mute_present;
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bool c_volume_present;
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s16 c_volume_min;
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s16 c_volume_max;
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s16 c_volume_res;
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int req_number;
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unsigned bound:1;
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char function_name[32];
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struct mutex lock;
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int refcnt;
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};
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#endif /* __U_UAC1_H */
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