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); 30