Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __USB_STREAM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __USB_STREAM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <uapi/sound/usb_stream.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define USB_STREAM_NURBS 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define USB_STREAM_URBDEPTH 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) struct usb_stream_kernel {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	struct usb_stream *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	void *write_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	unsigned n_o_ps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	struct urb *inurb[USB_STREAM_NURBS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	struct urb *idle_inurb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	struct urb *completed_inurb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	struct urb *outurb[USB_STREAM_NURBS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	struct urb *idle_outurb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	struct urb *completed_outurb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	struct urb *i_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	int iso_frame_balance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	wait_queue_head_t sleep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	unsigned out_phase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	unsigned out_phase_peeked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	unsigned freqn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct usb_stream *usb_stream_new(struct usb_stream_kernel *sk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 				  struct usb_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 				  unsigned in_endpoint, unsigned out_endpoint,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 				  unsigned sample_rate, unsigned use_packsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 				  unsigned period_frames, unsigned frame_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) void usb_stream_free(struct usb_stream_kernel *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int usb_stream_start(struct usb_stream_kernel *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) void usb_stream_stop(struct usb_stream_kernel *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #endif /* __USB_STREAM_H */