GNU Linux-libre 4.14.294-gnu1
[releases.git] / 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 "dvb_frontend.h"
6 #include "dvb_demux.h"
7 #include "dvb_net.h"
8 #include "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__ */