sound/xen/xen_snd_front_cfg.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
   2
   3 /*
   4  * Xen para-virtual sound device
   5  *
   6  * Copyright (C) 2016-2018 EPAM Systems Inc.
   7  *
   8  * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
   9  */
  10
  11 #ifndef __XEN_SND_FRONT_CFG_H
  12 #define __XEN_SND_FRONT_CFG_H
  13
  14 #include <sound/core.h>
  15 #include <sound/pcm.h>
  16
  17 struct xen_snd_front_info;
  18
  19 struct xen_front_cfg_stream {
  20         int index;
  21         char *xenstore_path;
  22         struct snd_pcm_hardware pcm_hw;
  23 };
  24
  25 struct xen_front_cfg_pcm_instance {
  26         char name[80];
  27         int device_id;
  28         struct snd_pcm_hardware pcm_hw;
  29         int  num_streams_pb;
  30         struct xen_front_cfg_stream *streams_pb;
  31         int  num_streams_cap;
  32         struct xen_front_cfg_stream *streams_cap;
  33 };
  34
  35 struct xen_front_cfg_card {
  36         char name_short[32];
  37         char name_long[80];
  38         struct snd_pcm_hardware pcm_hw;
  39         int num_pcm_instances;
  40         struct xen_front_cfg_pcm_instance *pcm_instances;
  41 };
  42
  43 int xen_snd_front_cfg_card(struct xen_snd_front_info *front_info,
  44                            int *stream_cnt);
  45
  46 #endif /* __XEN_SND_FRONT_CFG_H */