| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * u_uac2.h |
| * |
| * Utility definitions for UAC2 function |
| * |
| * Copyright (c) 2014 Samsung Electronics Co., Ltd. |
| * http://www.samsung.com |
| * |
| * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> |
| */ |
| |
| #ifndef U_UAC2_H |
| #define U_UAC2_H |
| |
| #include <linux/usb/composite.h> |
| |
| #define UAC2_DEF_PCHMASK 0x3 |
| #define UAC2_DEF_PSRATE 48000 |
| #define UAC2_DEF_PSSIZE 2 |
| #define UAC2_DEF_CCHMASK 0x3 |
| #define UAC2_DEF_CSRATE 64000 |
| #define UAC2_DEF_CSSIZE 2 |
| #define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC |
| #define UAC2_DEF_REQ_NUM 2 |
| #define UAC2_DEF_FB_MAX 5 |
| |
| struct f_uac2_opts { |
| struct usb_function_instance func_inst; |
| int p_chmask; |
| int p_srate; |
| int p_ssize; |
| int c_chmask; |
| int c_srate; |
| int c_ssize; |
| int c_sync; |
| int req_number; |
| int fb_max; |
| bool bound; |
| |
| struct mutex lock; |
| int refcnt; |
| }; |
| |
| #endif |
