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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/usb/gadget/function/u_uac2.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/gadget/function/u_uac2.h')
-rw-r--r-- | drivers/usb/gadget/function/u_uac2.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_uac2.h b/drivers/usb/gadget/function/u_uac2.h new file mode 100644 index 000000000..0510c9bad --- /dev/null +++ b/drivers/usb/gadget/function/u_uac2.h @@ -0,0 +1,72 @@ +/* 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> +#include "uac_common.h" + +#define UAC2_DEF_PCHMASK 0x3 +#define UAC2_DEF_PSRATE 48000 +#define UAC2_DEF_PSSIZE 2 +#define UAC2_DEF_PHSBINT 0 +#define UAC2_DEF_CCHMASK 0x3 +#define UAC2_DEF_CSRATE 64000 +#define UAC2_DEF_CSSIZE 2 +#define UAC2_DEF_CHSBINT 0 +#define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC + +#define UAC2_DEF_MUTE_PRESENT 1 +#define UAC2_DEF_VOLUME_PRESENT 1 +#define UAC2_DEF_MIN_DB (-100*256) /* -100 dB */ +#define UAC2_DEF_MAX_DB 0 /* 0 dB */ +#define UAC2_DEF_RES_DB (1*256) /* 1 dB */ + +#define UAC2_DEF_REQ_NUM 2 +#define UAC2_DEF_INT_REQ_NUM 10 + +struct f_uac2_opts { + struct usb_function_instance func_inst; + int p_chmask; + int p_srates[UAC_MAX_RATES]; + int p_ssize; + u8 p_hs_bint; + int c_chmask; + int c_srates[UAC_MAX_RATES]; + int c_ssize; + int c_sync; + u8 c_hs_bint; + + 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; + int fb_max; + bool bound; + + char function_name[32]; + + struct mutex lock; + int refcnt; +}; + +#endif |