kernel/sound/xen/xen_snd_front_cfg.h

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2024-07-22 17:22:30 +08:00
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/*
* Xen para-virtual sound device
*
* Copyright (C) 2016-2018 EPAM Systems Inc.
*
* Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
*/
#ifndef __XEN_SND_FRONT_CFG_H
#define __XEN_SND_FRONT_CFG_H
#include <sound/core.h>
#include <sound/pcm.h>
struct xen_snd_front_info;
struct xen_front_cfg_stream {
int index;
char *xenstore_path;
struct snd_pcm_hardware pcm_hw;
};
struct xen_front_cfg_pcm_instance {
char name[80];
int device_id;
struct snd_pcm_hardware pcm_hw;
int num_streams_pb;
struct xen_front_cfg_stream *streams_pb;
int num_streams_cap;
struct xen_front_cfg_stream *streams_cap;
};
struct xen_front_cfg_card {
char name_short[32];
char name_long[80];
struct snd_pcm_hardware pcm_hw;
int num_pcm_instances;
struct xen_front_cfg_pcm_instance *pcm_instances;
};
int xen_snd_front_cfg_card(struct xen_snd_front_info *front_info,
int *stream_cnt);
#endif /* __XEN_SND_FRONT_CFG_H */