2 * cx18 init/start/stop/exit stream functions
4 * Derived from ivtv-streams.h
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
7 * Copyright (C) 2008 Andy Walls <awalls@radix.net>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 u32 cx18_find_handle(struct cx18 *cx);
26 struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle);
27 int cx18_streams_setup(struct cx18 *cx);
28 int cx18_streams_register(struct cx18 *cx);
29 void cx18_streams_cleanup(struct cx18 *cx, int unregister);
31 /* Related to submission of buffers to firmware */
32 static inline void cx18_stream_load_fw_queue(struct cx18_stream *s)
34 struct cx18 *cx = s->cx;
35 queue_work(cx->out_work_queue, &s->out_work_order);
38 static inline void cx18_stream_put_buf_fw(struct cx18_stream *s,
39 struct cx18_buffer *buf)
41 /* Put buf on q_free; the out work handler will move buf(s) to q_busy */
42 cx18_enqueue(s, buf, &s->q_free);
43 cx18_stream_load_fw_queue(s);
46 void cx18_out_work_handler(struct work_struct *work);
49 int cx18_start_v4l2_encode_stream(struct cx18_stream *s);
50 int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end);
52 void cx18_stop_all_captures(struct cx18 *cx);