[mirror_ubuntu-bionic-kernel.git] / drivers / media / dvb / 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.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#ifndef _DMXDEV_H_
#define _DMXDEV_H_

#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/kernel.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	*
	17	* You should have received a copy of the GNU Lesser General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	20	*
	21	*/
	22
	23	#ifndef _DMXDEV_H_
	24	#define _DMXDEV_H_
	25
	26	#include <linux/types.h>
	27	#include <linux/spinlock.h>
	28	#include <linux/kernel.h>
	29	#include <linux/timer.h>
	30	#include <linux/wait.h>
	31	#include <linux/fs.h>
	32	#include <linux/string.h>
3593cab5	33	#include <linux/mutex.h>
5a0e3ad6	34	#include <linux/slab.h>
1da177e4 LT	35
	36	#include <linux/dvb/dmx.h>
	37
	38	#include "dvbdev.h"
	39	#include "demux.h"
34731df2	40	#include "dvb_ringbuffer.h"
1da177e4	41
bbad7dc5	42	enum dmxdev_type {
1da177e4 LT	43	DMXDEV_TYPE_NONE,
	44	DMXDEV_TYPE_SEC,
	45	DMXDEV_TYPE_PES,
	46	};
	47
	48	enum dmxdev_state {
	49	DMXDEV_STATE_FREE,
	50	DMXDEV_STATE_ALLOCATED,
	51	DMXDEV_STATE_SET,
	52	DMXDEV_STATE_GO,
	53	DMXDEV_STATE_DONE,
	54	DMXDEV_STATE_TIMEDOUT
	55	};
	56
1cb662a3 AO	57	struct dmxdev_feed {
	58	u16 pid;
	59	struct dmx_ts_feed *ts;
	60	struct list_head next;
	61	};
	62
1da177e4	63	struct dmxdev_filter {
afd1a0c9 MCC	64	union {
afd1a0c9 MCC	65	struct dmx_section_filter *sec;
1da177e4 LT	66	} filter;
1da177e4 LT	67
afd1a0c9	68	union {
1cb662a3 AO	69	/* list of TS and PES feeds (struct dmxdev_feed) */
1cb662a3 AO	70	struct list_head ts;
afd1a0c9	71	struct dmx_section_feed *sec;
1da177e4 LT	72	} feed;
1da177e4 LT	73
afd1a0c9 MCC	74	union {
	75	struct dmx_sct_filter_params sec;
	76	struct dmx_pes_filter_params pes;
1da177e4 LT	77	} params;
1da177e4 LT	78
bbad7dc5	79	enum dmxdev_type type;
afd1a0c9 MCC	80	enum dmxdev_state state;
afd1a0c9 MCC	81	struct dmxdev *dev;
34731df2	82	struct dvb_ringbuffer buffer;
1da177e4	83
3593cab5	84	struct mutex mutex;
1da177e4	85
afd1a0c9 MCC	86	/* only for sections */
	87	struct timer_list timer;
	88	int todo;
	89	u8 secheader[3];
1da177e4 LT	90	};
	91
	92
1da177e4 LT	93	struct dmxdev {
	94	struct dvb_device *dvbdev;
	95	struct dvb_device *dvr_dvbdev;
	96
afd1a0c9	97	struct dmxdev_filter *filter;
afd1a0c9	98	struct dmx_demux *demux;
1da177e4	99
afd1a0c9 MCC	100	int filternum;
afd1a0c9 MCC	101	int capabilities;
57861b43 MR	102
57861b43 MR	103	unsigned int exit:1;
1da177e4	104	#define DMXDEV_CAP_DUPLEX 1
afd1a0c9	105	struct dmx_frontend *dvr_orig_fe;
1da177e4	106
34731df2	107	struct dvb_ringbuffer dvr_buffer;
1da177e4 LT	108	#define DVR_BUFFER_SIZE (101881024)
1da177e4 LT	109
3593cab5	110	struct mutex mutex;
1da177e4 LT	111	spinlock_t lock;
	112	};
	113
	114
	115	int dvb_dmxdev_init(struct dmxdev dmxdev, struct dvb_adapter );
	116	void dvb_dmxdev_release(struct dmxdev *dmxdev);
	117
	118	#endif /* _DMXDEV_H_ */