drivers/media/usb/pvrusb2/pvrusb2-dvb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PVRUSB2_DVB_H__
   3 #define __PVRUSB2_DVB_H__
   4
   5 #include <media/dvb_frontend.h>
   6 #include <media/dvb_demux.h>
   7 #include <media/dvb_net.h>
   8 #include <media/dmxdev.h>
   9 #include "pvrusb2-context.h"
  10
  11 #define PVR2_DVB_BUFFER_COUNT 32
  12 #define PVR2_DVB_BUFFER_SIZE PAGE_ALIGN(0x4000)
  13
  14 struct pvr2_dvb_adapter {
  15         struct pvr2_channel     channel;
  16
  17         struct dvb_adapter      dvb_adap;
  18         struct dmxdev           dmxdev;
  19         struct dvb_demux        demux;
  20         struct dvb_net          dvb_net;
  21         struct dvb_frontend     *fe;
  22
  23         int                     feedcount;
  24         int                     max_feed_count;
  25
  26         struct task_struct      *thread;
  27         struct mutex            lock;
  28
  29         unsigned int            stream_run:1;
  30
  31         wait_queue_head_t       buffer_wait_data;
  32         char                    *buffer_storage[PVR2_DVB_BUFFER_COUNT];
  33 };
  34
  35 struct pvr2_dvb_props {
  36         int (*frontend_attach) (struct pvr2_dvb_adapter *);
  37         int (*tuner_attach) (struct pvr2_dvb_adapter *);
  38 };
  39
  40 struct pvr2_dvb_adapter *pvr2_dvb_create(struct pvr2_context *pvr);
  41
  42 #endif /* __PVRUSB2_DVB_H__ */