[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb-core / dmxdev.h

/*
 * dmxdev.h
 *
 * Copyright (C) 2000 Ralph Metzler & Marcus Metzler
 *                    for convergence integrated media GmbH
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef _DMXDEV_H_
#define _DMXDEV_H_

#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/mutex.h>
#include <linux/slab.h>

#include <linux/dvb/dmx.h>

#include "dvbdev.h"
#include "demux.h"
#include "dvb_ringbuffer.h"

enum dmxdev_type {
	DMXDEV_TYPE_NONE,
	DMXDEV_TYPE_SEC,
	DMXDEV_TYPE_PES,
};

enum dmxdev_state {
	DMXDEV_STATE_FREE,
	DMXDEV_STATE_ALLOCATED,
	DMXDEV_STATE_SET,
	DMXDEV_STATE_GO,
	DMXDEV_STATE_DONE,
	DMXDEV_STATE_TIMEDOUT
};

struct dmxdev_feed {
	u16 pid;
	struct dmx_ts_feed *ts;
	struct list_head next;
};

struct dmxdev_filter {
	union {
		struct dmx_section_filter *sec;
	} filter;

	union {
		/* list of TS and PES feeds (struct dmxdev_feed) */
		struct list_head ts;
		struct dmx_section_feed *sec;
	} feed;

	union {
		struct dmx_sct_filter_params sec;
		struct dmx_pes_filter_params pes;
	} params;

	enum dmxdev_type type;
	enum dmxdev_state state;
	struct dmxdev *dev;
	struct dvb_ringbuffer buffer;

	struct mutex mutex;

	/* only for sections */
	struct timer_list timer;
	int todo;
	u8 secheader[3];
};


struct dmxdev {
	struct dvb_device *dvbdev;
	struct dvb_device *dvr_dvbdev;

	struct dmxdev_filter *filter;
	struct dmx_demux *demux;

	int filternum;
	int capabilities;

	unsigned int exit:1;
#define DMXDEV_CAP_DUPLEX 1
	struct dmx_frontend *dvr_orig_fe;

	struct dvb_ringbuffer dvr_buffer;
#define DVR_BUFFER_SIZE (10*188*1024)

	struct mutex mutex;
	spinlock_t lock;
};


int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *);
void dvb_dmxdev_release(struct dmxdev *dmxdev);

#endif /* _DMXDEV_H_ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* dmxdev.h
	3	*
	4	* Copyright (C) 2000 Ralph Metzler & Marcus Metzler
	5	* for convergence integrated media GmbH
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public License
	9	* as published by the Free Software Foundation; either version 2.1
	10	* of the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
1da177e4 LT	17	*/
	18
	19	#ifndef _DMXDEV_H_
	20	#define _DMXDEV_H_
	21
	22	#include <linux/types.h>
	23	#include <linux/spinlock.h>
	24	#include <linux/kernel.h>
b2409b65	25	#include <linux/time.h>
1da177e4 LT	26	#include <linux/timer.h>
	27	#include <linux/wait.h>
	28	#include <linux/fs.h>
	29	#include <linux/string.h>
3593cab5	30	#include <linux/mutex.h>
5a0e3ad6	31	#include <linux/slab.h>
1da177e4 LT	32
	33	#include <linux/dvb/dmx.h>
	34
	35	#include "dvbdev.h"
	36	#include "demux.h"
34731df2	37	#include "dvb_ringbuffer.h"
1da177e4	38
bbad7dc5	39	enum dmxdev_type {
1da177e4 LT	40	DMXDEV_TYPE_NONE,
	41	DMXDEV_TYPE_SEC,
	42	DMXDEV_TYPE_PES,
	43	};
	44
	45	enum dmxdev_state {
	46	DMXDEV_STATE_FREE,
	47	DMXDEV_STATE_ALLOCATED,
	48	DMXDEV_STATE_SET,
	49	DMXDEV_STATE_GO,
	50	DMXDEV_STATE_DONE,
	51	DMXDEV_STATE_TIMEDOUT
	52	};
	53
1cb662a3 AO	54	struct dmxdev_feed {
	55	u16 pid;
	56	struct dmx_ts_feed *ts;
	57	struct list_head next;
	58	};
	59
1da177e4	60	struct dmxdev_filter {
afd1a0c9 MCC	61	union {
afd1a0c9 MCC	62	struct dmx_section_filter *sec;
1da177e4 LT	63	} filter;
1da177e4 LT	64
afd1a0c9	65	union {
1cb662a3 AO	66	/* list of TS and PES feeds (struct dmxdev_feed) */
1cb662a3 AO	67	struct list_head ts;
afd1a0c9	68	struct dmx_section_feed *sec;
1da177e4 LT	69	} feed;
1da177e4 LT	70
afd1a0c9 MCC	71	union {
	72	struct dmx_sct_filter_params sec;
	73	struct dmx_pes_filter_params pes;
1da177e4 LT	74	} params;
1da177e4 LT	75
bbad7dc5	76	enum dmxdev_type type;
afd1a0c9 MCC	77	enum dmxdev_state state;
afd1a0c9 MCC	78	struct dmxdev *dev;
34731df2	79	struct dvb_ringbuffer buffer;
1da177e4	80
3593cab5	81	struct mutex mutex;
1da177e4	82
afd1a0c9 MCC	83	/* only for sections */
	84	struct timer_list timer;
	85	int todo;
	86	u8 secheader[3];
1da177e4 LT	87	};
	88
	89
1da177e4 LT	90	struct dmxdev {
	91	struct dvb_device *dvbdev;
	92	struct dvb_device *dvr_dvbdev;
	93
afd1a0c9	94	struct dmxdev_filter *filter;
afd1a0c9	95	struct dmx_demux *demux;
1da177e4	96
afd1a0c9 MCC	97	int filternum;
afd1a0c9 MCC	98	int capabilities;
57861b43 MR	99
57861b43 MR	100	unsigned int exit:1;
1da177e4	101	#define DMXDEV_CAP_DUPLEX 1
afd1a0c9	102	struct dmx_frontend *dvr_orig_fe;
1da177e4	103
34731df2	104	struct dvb_ringbuffer dvr_buffer;
1da177e4 LT	105	#define DVR_BUFFER_SIZE (101881024)
1da177e4 LT	106
3593cab5	107	struct mutex mutex;
1da177e4 LT	108	spinlock_t lock;
	109	};
	110
	111
	112	int dvb_dmxdev_init(struct dmxdev dmxdev, struct dvb_adapter );
	113	void dvb_dmxdev_release(struct dmxdev *dmxdev);
	114
	115	#endif /* _DMXDEV_H_ */