Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / pci / cx18 / cx18-streams.h

diff --git a/kernel/drivers/media/pci/cx18/cx18-streams.h b/kernel/drivers/media/pci/cx18/cx18-streams.h
new file mode 100644 (file)
index 0000000..27f8af9
--- /dev/null
+++ b/kernel/drivers/media/pci/cx18/cx18-streams.h
@@ -0,0 +1,62 @@
+/*
+ *  cx18 init/start/stop/exit stream functions
+ *
+ *  Derived from ivtv-streams.h
+ *
+ *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
+ *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ *  02111-1307  USA
+ */
+
+u32 cx18_find_handle(struct cx18 *cx);
+struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle);
+int cx18_streams_setup(struct cx18 *cx);
+int cx18_streams_register(struct cx18 *cx);
+void cx18_streams_cleanup(struct cx18 *cx, int unregister);
+
+#define CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN (3)
+void cx18_stream_rotate_idx_mdls(struct cx18 *cx);
+
+static inline bool cx18_stream_enabled(struct cx18_stream *s)
+{
+       return s->video_dev.v4l2_dev ||
+              (s->dvb && s->dvb->enabled) ||
+              (s->type == CX18_ENC_STREAM_TYPE_IDX &&
+               s->cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] != 0);
+}
+
+/* Related to submission of mdls to firmware */
+static inline void cx18_stream_load_fw_queue(struct cx18_stream *s)
+{
+       schedule_work(&s->out_work_order);
+}
+
+static inline void cx18_stream_put_mdl_fw(struct cx18_stream *s,
+                                         struct cx18_mdl *mdl)
+{
+       /* Put mdl on q_free; the out work handler will move mdl(s) to q_busy */
+       cx18_enqueue(s, mdl, &s->q_free);
+       cx18_stream_load_fw_queue(s);
+}
+
+void cx18_out_work_handler(struct work_struct *work);
+
+/* Capture related */
+int cx18_start_v4l2_encode_stream(struct cx18_stream *s);
+int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end);
+
+void cx18_stop_all_captures(struct cx18 *cx);