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Diffstat (limited to 'drivers/media/dvb-core/dmxdev.h')
| -rw-r--r-- | drivers/media/dvb-core/dmxdev.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/drivers/media/dvb-core/dmxdev.h b/drivers/media/dvb-core/dmxdev.h deleted file mode 100644 index a77064d6e2c4..000000000000 --- a/drivers/media/dvb-core/dmxdev.h +++ /dev/null @@ -1,210 +0,0 @@ -/* - * 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" -#include "dvb_vb2.h" - -/** - * enum dmxdev_type - type of demux filter type. - * - * @DMXDEV_TYPE_NONE: no filter set. - * @DMXDEV_TYPE_SEC: section filter. - * @DMXDEV_TYPE_PES: Program Elementary Stream (PES) filter. - */ -enum dmxdev_type { - DMXDEV_TYPE_NONE, - DMXDEV_TYPE_SEC, - DMXDEV_TYPE_PES, -}; - -/** - * enum dmxdev_state - state machine for the dmxdev. - * - * @DMXDEV_STATE_FREE: indicates that the filter is freed. - * @DMXDEV_STATE_ALLOCATED: indicates that the filter was allocated - * to be used. - * @DMXDEV_STATE_SET: indicates that the filter parameters are set. - * @DMXDEV_STATE_GO: indicates that the filter is running. - * @DMXDEV_STATE_DONE: indicates that a packet was already filtered - * and the filter is now disabled. - * Set only if %DMX_ONESHOT. See - * &dmx_sct_filter_params. - * @DMXDEV_STATE_TIMEDOUT: Indicates a timeout condition. - */ -enum dmxdev_state { - DMXDEV_STATE_FREE, - DMXDEV_STATE_ALLOCATED, - DMXDEV_STATE_SET, - DMXDEV_STATE_GO, - DMXDEV_STATE_DONE, - DMXDEV_STATE_TIMEDOUT -}; - -/** - * struct dmxdev_feed - digital TV dmxdev feed - * - * @pid: Program ID to be filtered - * @ts: pointer to &struct dmx_ts_feed - * @next: &struct list_head pointing to the next feed. - */ - -struct dmxdev_feed { - u16 pid; - struct dmx_ts_feed *ts; - struct list_head next; -}; - -/** - * struct dmxdev_filter - digital TV dmxdev filter - * - * @filter: a union describing a dmxdev filter. - * Currently used only for section filters. - * @filter.sec: a &struct dmx_section_filter pointer. - * For section filter only. - * @feed: a union describing a dmxdev feed. - * Depending on the filter type, it can be either - * @feed.ts or @feed.sec. - * @feed.ts: a &struct list_head list. - * For TS and PES feeds. - * @feed.sec: a &struct dmx_section_feed pointer. - * For section feed only. - * @params: a union describing dmxdev filter parameters. - * Depending on the filter type, it can be either - * @params.sec or @params.pes. - * @params.sec: a &struct dmx_sct_filter_params embedded struct. - * For section filter only. - * @params.pes: a &struct dmx_pes_filter_params embedded struct. - * For PES filter only. - * @type: type of the dmxdev filter, as defined by &enum dmxdev_type. - * @state: state of the dmxdev filter, as defined by &enum dmxdev_state. - * @dev: pointer to &struct dmxdev. - * @buffer: an embedded &struct dvb_ringbuffer buffer. - * @mutex: protects the access to &struct dmxdev_filter. - * @timer: &struct timer_list embedded timer, used to check for - * feed timeouts. - * Only for section filter. - * @todo: index for the @secheader. - * Only for section filter. - * @secheader: buffer cache to parse the section header. - * Only for section filter. - */ -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 dvb_vb2_ctx vb2_ctx; - - struct mutex mutex; - - /* only for sections */ - struct timer_list timer; - int todo; - u8 secheader[3]; -}; - -/** - * struct dmxdev - Describes a digital TV demux device. - * - * @dvbdev: pointer to &struct dvb_device associated with - * the demux device node. - * @dvr_dvbdev: pointer to &struct dvb_device associated with - * the dvr device node. - * @filter: pointer to &struct dmxdev_filter. - * @demux: pointer to &struct dmx_demux. - * @filternum: number of filters. - * @capabilities: demux capabilities as defined by &enum dmx_demux_caps. - * @exit: flag to indicate that the demux is being released. - * @dvr_orig_fe: pointer to &struct dmx_frontend. - * @dvr_buffer: embedded &struct dvb_ringbuffer for DVB output. - * @mutex: protects the usage of this structure. - * @lock: protects access to &dmxdev->filter->data. - */ -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 dvb_vb2_ctx dvr_vb2_ctx; - - struct mutex mutex; - spinlock_t lock; -}; - -/** - * dvb_dmxdev_init - initializes a digital TV demux and registers both demux - * and DVR devices. - * - * @dmxdev: pointer to &struct dmxdev. - * @adap: pointer to &struct dvb_adapter. - */ -int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *adap); - -/** - * dvb_dmxdev_release - releases a digital TV demux and unregisters it. - * - * @dmxdev: pointer to &struct dmxdev. - */ -void dvb_dmxdev_release(struct dmxdev *dmxdev); - -#endif /* _DMXDEV_H_ */ |