Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __USB_STREAM_H
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#define __USB_STREAM_H
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#include <uapi/sound/usb_stream.h>
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#define USB_STREAM_NURBS 4
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#define USB_STREAM_URBDEPTH 4
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struct usb_stream_kernel {
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struct usb_stream *s;
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struct usb_device *dev;
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void *write_page;
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unsigned int n_o_ps;
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struct urb *inurb[USB_STREAM_NURBS];
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struct urb *idle_inurb;
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struct urb *completed_inurb;
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struct urb *outurb[USB_STREAM_NURBS];
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struct urb *idle_outurb;
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struct urb *completed_outurb;
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struct urb *i_urb;
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int iso_frame_balance;
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wait_queue_head_t sleep;
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unsigned int out_phase;
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unsigned int out_phase_peeked;
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unsigned int freqn;
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};
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struct usb_stream *usb_stream_new(struct usb_stream_kernel *sk,
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struct usb_device *dev,
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unsigned int in_endpoint,
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unsigned int out_endpoint,
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unsigned int sample_rate,
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unsigned int use_packsize,
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unsigned int period_frames,
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unsigned int frame_size);
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void usb_stream_free(struct usb_stream_kernel *sk);
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int usb_stream_start(struct usb_stream_kernel *sk);
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void usb_stream_stop(struct usb_stream_kernel *sk);
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#endif /* __USB_STREAM_H */
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