cobalt-alsa.h
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/*
* ALSA interface to cobalt PCM capture streams
*
* Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates.
* All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
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);