| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * ALSA interface to cobalt PCM capture streams |
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| 4 | * |
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| 5 | * Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates. |
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| 6 | * All rights reserved. |
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| 7 | */ |
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| 8 | |
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| 9 | struct snd_card; |
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| 10 | |
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| 11 | struct snd_cobalt_card { |
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| 12 | struct cobalt_stream *s; |
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| 13 | struct snd_card *sc; |
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| 14 | unsigned int capture_transfer_done; |
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| 15 | unsigned int hwptr_done_capture; |
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| 16 | unsigned alsa_record_cnt; |
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| 17 | struct snd_pcm_substream *capture_pcm_substream; |
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| 18 | |
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| 19 | unsigned int pb_size; |
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| 20 | unsigned int pb_count; |
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| 21 | unsigned int pb_pos; |
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| 22 | unsigned pb_filled; |
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| 23 | bool alsa_pb_channel; |
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| 24 | unsigned alsa_playback_cnt; |
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| 25 | struct snd_pcm_substream *playback_pcm_substream; |
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| 26 | }; |
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| 27 | |
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| 28 | int cobalt_alsa_init(struct cobalt_stream *s); |
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| 29 | void cobalt_alsa_exit(struct cobalt_stream *s); |
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| 30 | |
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