12e759738SNishad Kamdar /* SPDX-License-Identifier: GPL-2.0 */ 2f8f93d24SAndrzej Pietrasiewicz /* 3f8f93d24SAndrzej Pietrasiewicz * u_uac2.h 4f8f93d24SAndrzej Pietrasiewicz * 5f8f93d24SAndrzej Pietrasiewicz * Utility definitions for UAC2 function 6f8f93d24SAndrzej Pietrasiewicz * 7f8f93d24SAndrzej Pietrasiewicz * Copyright (c) 2014 Samsung Electronics Co., Ltd. 8f8f93d24SAndrzej Pietrasiewicz * http://www.samsung.com 9f8f93d24SAndrzej Pietrasiewicz * 101b4a3b51SAndrzej Pietrasiewicz * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> 11f8f93d24SAndrzej Pietrasiewicz */ 12f8f93d24SAndrzej Pietrasiewicz 13f8f93d24SAndrzej Pietrasiewicz #ifndef U_UAC2_H 14f8f93d24SAndrzej Pietrasiewicz #define U_UAC2_H 15f8f93d24SAndrzej Pietrasiewicz 16f8f93d24SAndrzej Pietrasiewicz #include <linux/usb/composite.h> 17f8f93d24SAndrzej Pietrasiewicz 18065a107cSAndrzej Pietrasiewicz #define UAC2_DEF_PCHMASK 0x3 19065a107cSAndrzej Pietrasiewicz #define UAC2_DEF_PSRATE 48000 20065a107cSAndrzej Pietrasiewicz #define UAC2_DEF_PSSIZE 2 21065a107cSAndrzej Pietrasiewicz #define UAC2_DEF_CCHMASK 0x3 22065a107cSAndrzej Pietrasiewicz #define UAC2_DEF_CSRATE 64000 23065a107cSAndrzej Pietrasiewicz #define UAC2_DEF_CSSIZE 2 2440c73b30SRuslan Bilovol #define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC 25*eaf6cbe0SRuslan Bilovol 26*eaf6cbe0SRuslan Bilovol #define UAC2_DEF_MUTE_PRESENT 1 27*eaf6cbe0SRuslan Bilovol #define UAC2_DEF_VOLUME_PRESENT 1 28*eaf6cbe0SRuslan Bilovol #define UAC2_DEF_MIN_DB (-100*256) /* -100 dB */ 29*eaf6cbe0SRuslan Bilovol #define UAC2_DEF_MAX_DB 0 /* 0 dB */ 30*eaf6cbe0SRuslan Bilovol #define UAC2_DEF_RES_DB (1*256) /* 1 dB */ 31*eaf6cbe0SRuslan Bilovol 32e92b9d44SPeter Chen #define UAC2_DEF_REQ_NUM 2 33e89bb428SRuslan Bilovol #define UAC2_DEF_FB_MAX 5 34*eaf6cbe0SRuslan Bilovol #define UAC2_DEF_INT_REQ_NUM 10 35065a107cSAndrzej Pietrasiewicz 36f8f93d24SAndrzej Pietrasiewicz struct f_uac2_opts { 37f8f93d24SAndrzej Pietrasiewicz struct usb_function_instance func_inst; 38f8f93d24SAndrzej Pietrasiewicz int p_chmask; 39f8f93d24SAndrzej Pietrasiewicz int p_srate; 40f8f93d24SAndrzej Pietrasiewicz int p_ssize; 41f8f93d24SAndrzej Pietrasiewicz int c_chmask; 42f8f93d24SAndrzej Pietrasiewicz int c_srate; 43f8f93d24SAndrzej Pietrasiewicz int c_ssize; 4440c73b30SRuslan Bilovol int c_sync; 45*eaf6cbe0SRuslan Bilovol 46*eaf6cbe0SRuslan Bilovol bool p_mute_present; 47*eaf6cbe0SRuslan Bilovol bool p_volume_present; 48*eaf6cbe0SRuslan Bilovol s16 p_volume_min; 49*eaf6cbe0SRuslan Bilovol s16 p_volume_max; 50*eaf6cbe0SRuslan Bilovol s16 p_volume_res; 51*eaf6cbe0SRuslan Bilovol 52*eaf6cbe0SRuslan Bilovol bool c_mute_present; 53*eaf6cbe0SRuslan Bilovol bool c_volume_present; 54*eaf6cbe0SRuslan Bilovol s16 c_volume_min; 55*eaf6cbe0SRuslan Bilovol s16 c_volume_max; 56*eaf6cbe0SRuslan Bilovol s16 c_volume_res; 57*eaf6cbe0SRuslan Bilovol 58e92b9d44SPeter Chen int req_number; 59e89bb428SRuslan Bilovol int fb_max; 60f8f93d24SAndrzej Pietrasiewicz bool bound; 613aeea3c5SAndrzej Pietrasiewicz 623aeea3c5SAndrzej Pietrasiewicz struct mutex lock; 633aeea3c5SAndrzej Pietrasiewicz int refcnt; 64f8f93d24SAndrzej Pietrasiewicz }; 65f8f93d24SAndrzej Pietrasiewicz 66f8f93d24SAndrzej Pietrasiewicz #endif 67