Linux 6.9-rc5
[sfrench/cifs-2.6.git] / drivers / media / pci / cobalt / cobalt-alsa.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  ALSA interface to cobalt PCM capture streams
4  *
5  *  Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates.
6  *  All rights reserved.
7  */
8
9 struct snd_card;
10
11 struct snd_cobalt_card {
12         struct cobalt_stream *s;
13         struct snd_card *sc;
14         unsigned int capture_transfer_done;
15         unsigned int hwptr_done_capture;
16         unsigned alsa_record_cnt;
17         struct snd_pcm_substream *capture_pcm_substream;
18
19         unsigned int pb_size;
20         unsigned int pb_count;
21         unsigned int pb_pos;
22         unsigned pb_filled;
23         bool alsa_pb_channel;
24         unsigned alsa_playback_cnt;
25         struct snd_pcm_substream *playback_pcm_substream;
26 };
27
28 int cobalt_alsa_init(struct cobalt_stream *s);
29 void cobalt_alsa_exit(struct cobalt_stream *s);