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>
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
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/*
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* Xen para-virtual sound device
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*
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* Copyright (C) 2016-2018 EPAM Systems Inc.
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*
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* Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
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*/
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#ifndef __XEN_SND_FRONT_H
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#define __XEN_SND_FRONT_H
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#include "xen_snd_front_cfg.h"
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struct xen_snd_front_card_info;
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struct xen_snd_front_evtchnl;
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struct xen_snd_front_evtchnl_pair;
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struct xen_front_pgdir_shbuf;
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struct xensnd_query_hw_param;
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struct xen_snd_front_info {
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struct xenbus_device *xb_dev;
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struct xen_snd_front_card_info *card_info;
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int num_evt_pairs;
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struct xen_snd_front_evtchnl_pair *evt_pairs;
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struct xen_front_cfg_card cfg;
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};
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int xen_snd_front_stream_query_hw_param(struct xen_snd_front_evtchnl *evtchnl,
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struct xensnd_query_hw_param *hw_param_req,
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struct xensnd_query_hw_param *hw_param_resp);
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int xen_snd_front_stream_prepare(struct xen_snd_front_evtchnl *evtchnl,
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struct xen_front_pgdir_shbuf *shbuf,
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u8 format, unsigned int channels,
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unsigned int rate, u32 buffer_sz,
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u32 period_sz);
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int xen_snd_front_stream_close(struct xen_snd_front_evtchnl *evtchnl);
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int xen_snd_front_stream_write(struct xen_snd_front_evtchnl *evtchnl,
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unsigned long pos, unsigned long count);
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int xen_snd_front_stream_read(struct xen_snd_front_evtchnl *evtchnl,
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unsigned long pos, unsigned long count);
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int xen_snd_front_stream_trigger(struct xen_snd_front_evtchnl *evtchnl,
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int type);
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#endif /* __XEN_SND_FRONT_H */
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