include/media/videobuf-dvb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <dvbdev.h>
   3 #include <dmxdev.h>
   4 #include <dvb_demux.h>
   5 #include <dvb_net.h>
   6 #include <dvb_frontend.h>
   7
   8 #ifndef _VIDEOBUF_DVB_H_
   9 #define _VIDEOBUF_DVB_H_
  10
  11 struct videobuf_dvb {
  12         /* filling that the job of the driver */
  13         char                       *name;
  14         struct dvb_frontend        *frontend;
  15         struct videobuf_queue      dvbq;
  16
  17         /* video-buf-dvb state info */
  18         struct mutex               lock;
  19         struct task_struct         *thread;
  20         int                        nfeeds;
  21
  22         /* videobuf_dvb_(un)register manges this */
  23         struct dvb_demux           demux;
  24         struct dmxdev              dmxdev;
  25         struct dmx_frontend        fe_hw;
  26         struct dmx_frontend        fe_mem;
  27         struct dvb_net             net;
  28 };
  29
  30 struct videobuf_dvb_frontend {
  31         struct list_head felist;
  32         int id;
  33         struct videobuf_dvb dvb;
  34 };
  35
  36 struct videobuf_dvb_frontends {
  37         struct list_head felist;
  38         struct mutex lock;
  39         struct dvb_adapter adapter;
  40         int active_fe_id; /* Indicates which frontend in the felist is in use */
  41         int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
  42 };
  43
  44 int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
  45                           struct module *module,
  46                           void *adapter_priv,
  47                           struct device *device,
  48                           short *adapter_nr,
  49                           int mfe_shared);
  50
  51 void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f);
  52
  53 struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id);
  54 void videobuf_dvb_dealloc_frontends(struct videobuf_dvb_frontends *f);
  55
  56 struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id);
  57 int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p);
  58
  59 #endif                  /* _VIDEOBUF_DVB_H_ */