70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _VIDEOBUF2_DVB_H_
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#define _VIDEOBUF2_DVB_H_
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#include <media/dvbdev.h>
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#include <media/dmxdev.h>
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#include <media/dvb_demux.h>
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#include <media/dvb_net.h>
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#include <media/dvb_frontend.h>
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#include <media/videobuf2-v4l2.h>
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/* We don't actually need to include media-device.h here */
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struct media_device;
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/*
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* TODO: This header file should be replaced with videobuf2-core.h
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* Currently, vb2_thread is not a stuff of videobuf2-core,
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* since vb2_thread has many dependencies on videobuf2-v4l2.
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*/
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struct vb2_dvb {
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/* filling that the job of the driver */
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char *name;
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struct dvb_frontend *frontend;
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struct vb2_queue dvbq;
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/* video-buf-dvb state info */
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struct mutex lock;
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int nfeeds;
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/* vb2_dvb_(un)register manages this */
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struct dvb_demux demux;
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struct dmxdev dmxdev;
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struct dmx_frontend fe_hw;
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struct dmx_frontend fe_mem;
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struct dvb_net net;
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};
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struct vb2_dvb_frontend {
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struct list_head felist;
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int id;
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struct vb2_dvb dvb;
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};
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struct vb2_dvb_frontends {
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struct list_head felist;
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struct mutex lock;
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struct dvb_adapter adapter;
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int active_fe_id; /* Indicates which frontend in the felist is in use */
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int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
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};
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int vb2_dvb_register_bus(struct vb2_dvb_frontends *f,
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struct module *module,
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void *adapter_priv,
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struct device *device,
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struct media_device *mdev,
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short *adapter_nr,
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int mfe_shared);
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void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f);
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struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id);
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void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f);
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struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id);
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int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p);
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#endif /* _VIDEOBUF2_DVB_H_ */
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