linux/drivers/media/video/pvrusb2/pvrusb2-dvb.h
Mike Isely 13e027a8bf V4L/DVB (7713): pvrusb2: Implement cleaner DVB kernel thread shutdown
Earlier fix to handle DVB feed thread aborts was overly-aggressive.
We can take better advantage of what kthread_stop() can do.  This
change simplifies things.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-24 14:09:49 -03:00

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C

#ifndef __PVRUSB2_DVB_H__
#define __PVRUSB2_DVB_H__
#include "dvb_frontend.h"
#include "dvb_demux.h"
#include "dvb_net.h"
#include "dmxdev.h"
#include "pvrusb2-context.h"
#define PVR2_DVB_BUFFER_COUNT 32
#define PVR2_DVB_BUFFER_SIZE PAGE_ALIGN(0x4000)
struct pvr2_dvb_adapter {
struct pvr2_channel channel;
struct dvb_adapter dvb_adap;
struct dmxdev dmxdev;
struct dvb_demux demux;
struct dvb_net dvb_net;
struct dvb_frontend *fe;
int feedcount;
int max_feed_count;
struct task_struct *thread;
struct mutex lock;
unsigned int stream_run:1;
wait_queue_head_t buffer_wait_data;
char *buffer_storage[PVR2_DVB_BUFFER_COUNT];
};
struct pvr2_dvb_props {
int (*frontend_attach) (struct pvr2_dvb_adapter *);
int (*tuner_attach) (struct pvr2_dvb_adapter *);
};
struct pvr2_dvb_adapter *pvr2_dvb_create(struct pvr2_context *pvr);
#endif /* __PVRUSB2_DVB_H__ */