1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * u_uac1.h - Utility definitions for UAC1 function 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __U_UAC1_H 9*4882a593Smuzhiyun #define __U_UAC1_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/usb/composite.h> 12*4882a593Smuzhiyun #include "uac_common.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define UAC1_OUT_EP_MAX_PACKET_SIZE 200 15*4882a593Smuzhiyun #define UAC1_DEF_CCHMASK 0x3 16*4882a593Smuzhiyun #define UAC1_DEF_CSRATE 48000 17*4882a593Smuzhiyun #define UAC1_DEF_CSSIZE 2 18*4882a593Smuzhiyun #define UAC1_DEF_PCHMASK 0x3 19*4882a593Smuzhiyun #define UAC1_DEF_PSRATE 48000 20*4882a593Smuzhiyun #define UAC1_DEF_PSSIZE 2 21*4882a593Smuzhiyun #define UAC1_DEF_REQ_NUM 2 22*4882a593Smuzhiyun #define UAC1_DEF_INT_REQ_NUM 10 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define UAC1_DEF_MUTE_PRESENT 1 25*4882a593Smuzhiyun #define UAC1_DEF_VOLUME_PRESENT 1 26*4882a593Smuzhiyun #define UAC1_DEF_MIN_DB (-100*256) /* -100 dB */ 27*4882a593Smuzhiyun #define UAC1_DEF_MAX_DB 0 /* 0 dB */ 28*4882a593Smuzhiyun #define UAC1_DEF_RES_DB (1*256) /* 1 dB */ 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun struct f_uac1_opts { 32*4882a593Smuzhiyun struct usb_function_instance func_inst; 33*4882a593Smuzhiyun int c_chmask; 34*4882a593Smuzhiyun int c_srates[UAC_MAX_RATES]; 35*4882a593Smuzhiyun int c_ssize; 36*4882a593Smuzhiyun int p_chmask; 37*4882a593Smuzhiyun int p_srates[UAC_MAX_RATES]; 38*4882a593Smuzhiyun int p_ssize; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun bool p_mute_present; 41*4882a593Smuzhiyun bool p_volume_present; 42*4882a593Smuzhiyun s16 p_volume_min; 43*4882a593Smuzhiyun s16 p_volume_max; 44*4882a593Smuzhiyun s16 p_volume_res; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun bool c_mute_present; 47*4882a593Smuzhiyun bool c_volume_present; 48*4882a593Smuzhiyun s16 c_volume_min; 49*4882a593Smuzhiyun s16 c_volume_max; 50*4882a593Smuzhiyun s16 c_volume_res; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun int req_number; 53*4882a593Smuzhiyun unsigned bound:1; 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun char function_name[32]; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun struct mutex lock; 58*4882a593Smuzhiyun int refcnt; 59*4882a593Smuzhiyun }; 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #endif /* __U_UAC1_H */ 62