| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * ALSA interface to cobalt PCM capture streams |
| * |
| * Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates. |
| * All rights reserved. |
| */ |
| |
| struct snd_card; |
| |
| struct snd_cobalt_card { |
| struct cobalt_stream *s; |
| struct snd_card *sc; |
| unsigned int capture_transfer_done; |
| unsigned int hwptr_done_capture; |
| unsigned alsa_record_cnt; |
| struct snd_pcm_substream *capture_pcm_substream; |
| |
| unsigned int pb_size; |
| unsigned int pb_count; |
| unsigned int pb_pos; |
| unsigned pb_filled; |
| bool alsa_pb_channel; |
| unsigned alsa_playback_cnt; |
| struct snd_pcm_substream *playback_pcm_substream; |
| }; |
| |
| int cobalt_alsa_init(struct cobalt_stream *s); |
| void cobalt_alsa_exit(struct cobalt_stream *s); |