1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * u_uac2.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Utility definitions for UAC2 function 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (c) 2014 Samsung Electronics Co., Ltd. 8*4882a593Smuzhiyun * http://www.samsung.com 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifndef U_UAC2_H 14*4882a593Smuzhiyun #define U_UAC2_H 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #include <linux/usb/composite.h> 17*4882a593Smuzhiyun #include "uac_common.h" 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define UAC2_DEF_PCHMASK 0x3 20*4882a593Smuzhiyun #define UAC2_DEF_PSRATE 48000 21*4882a593Smuzhiyun #define UAC2_DEF_PSSIZE 2 22*4882a593Smuzhiyun #define UAC2_DEF_PHSBINT 0 23*4882a593Smuzhiyun #define UAC2_DEF_CCHMASK 0x3 24*4882a593Smuzhiyun #define UAC2_DEF_CSRATE 64000 25*4882a593Smuzhiyun #define UAC2_DEF_CSSIZE 2 26*4882a593Smuzhiyun #define UAC2_DEF_CHSBINT 0 27*4882a593Smuzhiyun #define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define UAC2_DEF_MUTE_PRESENT 1 30*4882a593Smuzhiyun #define UAC2_DEF_VOLUME_PRESENT 1 31*4882a593Smuzhiyun #define UAC2_DEF_MIN_DB (-100*256) /* -100 dB */ 32*4882a593Smuzhiyun #define UAC2_DEF_MAX_DB 0 /* 0 dB */ 33*4882a593Smuzhiyun #define UAC2_DEF_RES_DB (1*256) /* 1 dB */ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #define UAC2_DEF_REQ_NUM 2 36*4882a593Smuzhiyun #define UAC2_DEF_INT_REQ_NUM 10 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun struct f_uac2_opts { 39*4882a593Smuzhiyun struct usb_function_instance func_inst; 40*4882a593Smuzhiyun int p_chmask; 41*4882a593Smuzhiyun int p_srates[UAC_MAX_RATES]; 42*4882a593Smuzhiyun int p_ssize; 43*4882a593Smuzhiyun u8 p_hs_bint; 44*4882a593Smuzhiyun int c_chmask; 45*4882a593Smuzhiyun int c_srates[UAC_MAX_RATES]; 46*4882a593Smuzhiyun int c_ssize; 47*4882a593Smuzhiyun int c_sync; 48*4882a593Smuzhiyun u8 c_hs_bint; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun bool p_mute_present; 51*4882a593Smuzhiyun bool p_volume_present; 52*4882a593Smuzhiyun s16 p_volume_min; 53*4882a593Smuzhiyun s16 p_volume_max; 54*4882a593Smuzhiyun s16 p_volume_res; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun bool c_mute_present; 57*4882a593Smuzhiyun bool c_volume_present; 58*4882a593Smuzhiyun s16 c_volume_min; 59*4882a593Smuzhiyun s16 c_volume_max; 60*4882a593Smuzhiyun s16 c_volume_res; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun int req_number; 63*4882a593Smuzhiyun int fb_max; 64*4882a593Smuzhiyun bool bound; 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun char function_name[32]; 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun struct mutex lock; 69*4882a593Smuzhiyun int refcnt; 70*4882a593Smuzhiyun }; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun #endif 73