/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note *//* * Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de> */ #ifndef _UAPI__SOUND_USB_STREAM_H#define _UAPI__SOUND_USB_STREAM_H #define USB_STREAM_INTERFACE_VERSION 2 #define SNDRV_USB_STREAM_IOCTL_SET_PARAMS \	_IOW('H', 0x90, struct usb_stream_config) struct usb_stream_packet {	unsigned offset;	unsigned length;};  struct usb_stream_config {	unsigned version;	unsigned sample_rate;	unsigned period_frames;	unsigned frame_size;}; struct usb_stream {	struct usb_stream_config cfg;	unsigned read_size;	unsigned write_size; 	int period_size; 	unsigned state; 	int idle_insize;	int idle_outsize;	int sync_packet;	unsigned insize_done;	unsigned periods_done;	unsigned periods_polled; 	struct usb_stream_packet outpacket[2];	unsigned		 inpackets;	unsigned		 inpacket_head;	unsigned		 inpacket_split;	unsigned		 inpacket_split_at;	unsigned		 next_inpacket_split;	unsigned		 next_inpacket_split_at;	struct usb_stream_packet inpacket[];}; enum usb_stream_state {	usb_stream_invalid,	usb_stream_stopped,	usb_stream_sync0,	usb_stream_sync1,	usb_stream_ready,	usb_stream_running,	usb_stream_xrun,}; #endif /* _UAPI__SOUND_USB_STREAM_H */