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-rw-r--r--include/media/videobuf2-dvb.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/media/videobuf2-dvb.h b/include/media/videobuf2-dvb.h
new file mode 100644
index 000000000..8605366ec
--- /dev/null
+++ b/include/media/videobuf2-dvb.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _VIDEOBUF2_DVB_H_
+#define _VIDEOBUF2_DVB_H_
+
+#include <media/dvbdev.h>
+#include <media/dmxdev.h>
+#include <media/dvb_demux.h>
+#include <media/dvb_net.h>
+#include <media/dvb_frontend.h>
+#include <media/videobuf2-v4l2.h>
+
+/* We don't actually need to include media-device.h here */
+struct media_device;
+
+/*
+ * TODO: This header file should be replaced with videobuf2-core.h
+ * Currently, vb2_thread is not a stuff of videobuf2-core,
+ * since vb2_thread has many dependencies on videobuf2-v4l2.
+ */
+
+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,
+ struct media_device *mdev,
+ 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_ */