aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx18/cx18-fileops.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/cx18/cx18-fileops.h')
-rw-r--r--drivers/media/video/cx18/cx18-fileops.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-fileops.h b/drivers/media/video/cx18/cx18-fileops.h
new file mode 100644
index 000000000000..16cdafbd24c5
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-fileops.h
@@ -0,0 +1,45 @@
1/*
2 * cx18 file operation functions
3 *
4 * Derived from ivtv-fileops.h
5 *
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 * 02111-1307 USA
22 */
23
24/* Testing/Debugging */
25int cx18_v4l2_open(struct inode *inode, struct file *filp);
26ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
27 loff_t *pos);
28ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count,
29 loff_t *pos);
30int cx18_v4l2_close(struct inode *inode, struct file *filp);
31unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait);
32int cx18_start_capture(struct cx18_open_id *id);
33void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
34void cx18_mute(struct cx18 *cx);
35void cx18_unmute(struct cx18 *cx);
36
37/* Utilities */
38
39/* Try to claim a stream for the filehandle. Return 0 on success,
40 -EBUSY if stream already claimed. Once a stream is claimed, it
41 remains claimed until the associated filehandle is closed. */
42int cx18_claim_stream(struct cx18_open_id *id, int type);
43
44/* Release a previously claimed stream. */
45void cx18_release_stream(struct cx18_stream *s);