701b57ee33
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>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#ifndef _VIDEOBUF2_DVB_H_
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#define _VIDEOBUF2_DVB_H_
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#include <dvbdev.h>
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#include <dmxdev.h>
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#include <dvb_demux.h>
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#include <dvb_net.h>
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#include <dvb_frontend.h>
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#include <media/videobuf2-core.h>
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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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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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