diff options
Diffstat (limited to 'drivers/media/pci/cobalt/cobalt-alsa.h')
| -rw-r--r-- | drivers/media/pci/cobalt/cobalt-alsa.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/media/pci/cobalt/cobalt-alsa.h b/drivers/media/pci/cobalt/cobalt-alsa.h new file mode 100644 index 000000000..bb7f156ad --- /dev/null +++ b/drivers/media/pci/cobalt/cobalt-alsa.h @@ -0,0 +1,29 @@ +/* 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); |