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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/media/pci/cobalt/cobalt-alsa.h
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/media/pci/cobalt/cobalt-alsa.h')
-rw-r--r--drivers/media/pci/cobalt/cobalt-alsa.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/media/pci/cobalt/cobalt-alsa.h b/drivers/media/pci/cobalt/cobalt-alsa.h
new file mode 100644
index 000000000..08db699ce
--- /dev/null
+++ b/drivers/media/pci/cobalt/cobalt-alsa.h
@@ -0,0 +1,41 @@
+/*
+ * 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);