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authorHans Verkuil <hans.verkuil@cisco.com>2013-10-09 08:01:05 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-16 18:59:29 -0300
commit701b57ee3387b8e3749845b02310b5625fbd8da0 (patch)
tree359260df9fa9bad7c82eaf9374a5e1bf502b9401 /include/media/videobuf2-dvb.h
parent3415a89f48dce655ae353bc70a8e292764e8e931 (diff)
downloadlinux-701b57ee3387b8e3749845b02310b5625fbd8da0.tar.bz2
[media] vb2: Add videobuf2-dvb support
With the new vb2_thread_start/stop core code it is very easy to implement videobuf2-dvb. This should simplify converting existing videobuf drivers to vb2. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'include/media/videobuf2-dvb.h')
-rw-r--r--include/media/videobuf2-dvb.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/include/media/videobuf2-dvb.h b/include/media/videobuf2-dvb.h
new file mode 100644
index 000000000000..8f61456f1394
--- /dev/null
+++ b/include/media/videobuf2-dvb.h
@@ -0,0 +1,58 @@
+#ifndef _VIDEOBUF2_DVB_H_
+#define _VIDEOBUF2_DVB_H_
+
+#include <dvbdev.h>
+#include <dmxdev.h>
+#include <dvb_demux.h>
+#include <dvb_net.h>
+#include <dvb_frontend.h>
+#include <media/videobuf2-core.h>
+
+struct vb2_dvb {
+ /* filling that the job of the driver */
+ char *name;
+ struct dvb_frontend *frontend;
+ struct vb2_queue dvbq;
+
+ /* video-buf-dvb state info */
+ struct mutex lock;
+ int nfeeds;
+
+ /* vb2_dvb_(un)register manages this */
+ struct dvb_demux demux;
+ struct dmxdev dmxdev;
+ struct dmx_frontend fe_hw;
+ struct dmx_frontend fe_mem;
+ struct dvb_net net;
+};
+
+struct vb2_dvb_frontend {
+ struct list_head felist;
+ int id;
+ struct vb2_dvb dvb;
+};
+
+struct vb2_dvb_frontends {
+ struct list_head felist;
+ struct mutex lock;
+ struct dvb_adapter adapter;
+ int active_fe_id; /* Indicates which frontend in the felist is in use */
+ int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
+};
+
+int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
+ struct module *module,
+ void *adapter_priv,
+ struct device *device,
+ short *adapter_nr,
+ int mfe_shared);
+
+void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
+
+struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
+void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
+
+struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
+int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
+
+#endif /* _VIDEOBUF2_DVB_H_ */