1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * ALSA interface to cobalt PCM capture streams 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2014-2015 Cisco Systems, Inc. and/or its affiliates. 6*4882a593Smuzhiyun * All rights reserved. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun struct snd_card; 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct snd_cobalt_card { 12*4882a593Smuzhiyun struct cobalt_stream *s; 13*4882a593Smuzhiyun struct snd_card *sc; 14*4882a593Smuzhiyun unsigned int capture_transfer_done; 15*4882a593Smuzhiyun unsigned int hwptr_done_capture; 16*4882a593Smuzhiyun unsigned alsa_record_cnt; 17*4882a593Smuzhiyun struct snd_pcm_substream *capture_pcm_substream; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun unsigned int pb_size; 20*4882a593Smuzhiyun unsigned int pb_count; 21*4882a593Smuzhiyun unsigned int pb_pos; 22*4882a593Smuzhiyun unsigned pb_filled; 23*4882a593Smuzhiyun bool alsa_pb_channel; 24*4882a593Smuzhiyun unsigned alsa_playback_cnt; 25*4882a593Smuzhiyun struct snd_pcm_substream *playback_pcm_substream; 26*4882a593Smuzhiyun }; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun int cobalt_alsa_init(struct cobalt_stream *s); 29*4882a593Smuzhiyun void cobalt_alsa_exit(struct cobalt_stream *s); 30