| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * u_uac1.h - Utility definitions for UAC1 function | |
| * | |
| * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com> | |
| */ | |
| #ifndef __U_UAC1_H | |
| #define __U_UAC1_H | |
| #include <linux/usb/composite.h> | |
| #include "uac_common.h" | |
| #define UAC1_OUT_EP_MAX_PACKET_SIZE 200 | |
| #define UAC1_DEF_CCHMASK 0x3 | |
| #define UAC1_DEF_CSRATE 48000 | |
| #define UAC1_DEF_CSSIZE 2 | |
| #define UAC1_DEF_PCHMASK 0x3 | |
| #define UAC1_DEF_PSRATE 48000 | |
| #define UAC1_DEF_PSSIZE 2 | |
| #define UAC1_DEF_REQ_NUM 2 | |
| #define UAC1_DEF_INT_REQ_NUM 10 | |
| #define UAC1_DEF_MUTE_PRESENT 1 | |
| #define UAC1_DEF_VOLUME_PRESENT 1 | |
| #define UAC1_DEF_MIN_DB (-100*256) /* -100 dB */ | |
| #define UAC1_DEF_MAX_DB 0 /* 0 dB */ | |
| #define UAC1_DEF_RES_DB (1*256) /* 1 dB */ | |
| struct f_uac1_opts { | |
| struct usb_function_instance func_inst; | |
| int c_chmask; | |
| int c_srates[UAC_MAX_RATES]; | |
| int c_ssize; | |
| int p_chmask; | |
| int p_srates[UAC_MAX_RATES]; | |
| int p_ssize; | |
| 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; | |
| unsigned bound:1; | |
| char function_name[USB_MAX_STRING_LEN]; | |
| char p_it_name[USB_MAX_STRING_LEN]; | |
| char p_it_ch_name[USB_MAX_STRING_LEN]; | |
| char p_ot_name[USB_MAX_STRING_LEN]; | |
| char p_fu_vol_name[USB_MAX_STRING_LEN]; | |
| char c_it_name[USB_MAX_STRING_LEN]; | |
| char c_it_ch_name[USB_MAX_STRING_LEN]; | |
| char c_ot_name[USB_MAX_STRING_LEN]; | |
| char c_fu_vol_name[USB_MAX_STRING_LEN]; | |
| struct mutex lock; | |
| int refcnt; | |
| }; | |
| #endif /* __U_UAC1_H */ |