18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci *  ALSA interface to cobalt PCM capture streams
48c2ecf20Sopenharmony_ci *
58c2ecf20Sopenharmony_ci *  Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates.
68c2ecf20Sopenharmony_ci *  All rights reserved.
78c2ecf20Sopenharmony_ci */
88c2ecf20Sopenharmony_ci
98c2ecf20Sopenharmony_cistruct snd_card;
108c2ecf20Sopenharmony_ci
118c2ecf20Sopenharmony_cistruct snd_cobalt_card {
128c2ecf20Sopenharmony_ci	struct cobalt_stream *s;
138c2ecf20Sopenharmony_ci	struct snd_card *sc;
148c2ecf20Sopenharmony_ci	unsigned int capture_transfer_done;
158c2ecf20Sopenharmony_ci	unsigned int hwptr_done_capture;
168c2ecf20Sopenharmony_ci	unsigned alsa_record_cnt;
178c2ecf20Sopenharmony_ci	struct snd_pcm_substream *capture_pcm_substream;
188c2ecf20Sopenharmony_ci
198c2ecf20Sopenharmony_ci	unsigned int pb_size;
208c2ecf20Sopenharmony_ci	unsigned int pb_count;
218c2ecf20Sopenharmony_ci	unsigned int pb_pos;
228c2ecf20Sopenharmony_ci	unsigned pb_filled;
238c2ecf20Sopenharmony_ci	bool alsa_pb_channel;
248c2ecf20Sopenharmony_ci	unsigned alsa_playback_cnt;
258c2ecf20Sopenharmony_ci	struct snd_pcm_substream *playback_pcm_substream;
268c2ecf20Sopenharmony_ci};
278c2ecf20Sopenharmony_ci
288c2ecf20Sopenharmony_ciint cobalt_alsa_init(struct cobalt_stream *s);
298c2ecf20Sopenharmony_civoid cobalt_alsa_exit(struct cobalt_stream *s);
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