1 files changed, 149 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-core/dvb_demux.h b/drivers/media/dvb/dvb-core/dvb_demux.h
new file mode 100644
index 00000000000..a7d876fd02d
--- /dev/null
+++ b/drivers/media/dvb/dvb-core/dvb_demux.h
@@ -0,0 +1,149 @@
+/*
+ * dvb_demux.h: DVB kernel demux API
+ *
+ * Copyright (C) 2000-2001 Marcus Metzler & Ralph 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 _DVB_DEMUX_H_
+#define _DVB_DEMUX_H_
+
+#include <linux/time.h>
+#include <linux/timer.h>
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
+
+#include "demux.h"
+
+#define DMX_TYPE_TS  0
+#define DMX_TYPE_SEC 1
+#define DMX_TYPE_PES 2
+
+#define DMX_STATE_FREE      0
+#define DMX_STATE_ALLOCATED 1
+#define DMX_STATE_SET       2
+#define DMX_STATE_READY     3
+#define DMX_STATE_GO        4
+
+#define DVB_DEMUX_MASK_MAX 18
+
+#define MAX_PID 0x1fff
+
+#define SPEED_PKTS_INTERVAL 50000
+
+struct dvb_demux_filter {
+        struct dmx_section_filter filter;
+        u8 maskandmode[DMX_MAX_FILTER_SIZE];
+        u8 maskandnotmode[DMX_MAX_FILTER_SIZE];
+        int doneq;
+
+        struct dvb_demux_filter *next;
+        struct dvb_demux_feed *feed;
+        int index;
+        int state;
+        int type;
+
+        u16 hw_handle;
+        struct timer_list timer;
+};
+
+#define DMX_FEED_ENTRY(pos) list_entry(pos, struct dvb_demux_feed, list_head)
+
+struct dvb_demux_feed {
+        union {
+                struct dmx_ts_feed ts;
+                struct dmx_section_feed sec;
+        } feed;
+
+        union {
+                dmx_ts_cb ts;
+                dmx_section_cb sec;
+        } cb;
+
+        struct dvb_demux *demux;
+        void *priv;
+        int type;
+        int state;
+        u16 pid;
+        u8 *buffer;
+        int buffer_size;
+
+        struct timespec timeout;
+        struct dvb_demux_filter *filter;
+
+        int ts_type;
+        enum dmx_ts_pes pes_type;
+
+        int cc;
+        int pusi_seen;          /* prevents feeding of garbage from previous section */
+
+        u16 peslen;
+
+        struct list_head list_head;
+        unsigned int index;     /* a unique index for each feed (can be used as hardware pid filter index) */
+};
+
+struct dvb_demux {
+        struct dmx_demux dmx;
+        void *priv;
+        int filternum;
+        int feednum;
+        int (*start_feed)(struct dvb_demux_feed *feed);
+        int (*stop_feed)(struct dvb_demux_feed *feed);
+        int (*write_to_decoder)(struct dvb_demux_feed *feed,
+                                 const u8 *buf, size_t len);
+        u32 (*check_crc32)(struct dvb_demux_feed *feed,
+                            const u8 *buf, size_t len);
+        void (*memcopy)(struct dvb_demux_feed *feed, u8 *dst,
+                         const u8 *src, size_t len);
+
+        int users;
+#define MAX_DVB_DEMUX_USERS 10
+        struct dvb_demux_filter *filter;
+        struct dvb_demux_feed *feed;
+
+        struct list_head frontend_list;
+
+        struct dvb_demux_feed *pesfilter[DMX_TS_PES_OTHER];
+        u16 pids[DMX_TS_PES_OTHER];
+        int playing;
+        int recording;
+
+#define DMX_MAX_PID 0x2000
+        struct list_head feed_list;
+        u8 tsbuf[204];
+        int tsbufp;
+
+        struct mutex mutex;
+        spinlock_t lock;
+
+        uint8_t *cnt_storage; /* for TS continuity check */
+
+        struct timespec speed_last_time; /* for TS speed check */
+        uint32_t speed_pkts_cnt; /* for TS speed check */
+};
+
+int dvb_dmx_init(struct dvb_demux *dvbdemux);
+void dvb_dmx_release(struct dvb_demux *dvbdemux);
+void dvb_dmx_swfilter_packets(struct dvb_demux *dvbdmx, const u8 *buf,
+                              size_t count);
+void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count);
+void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf,
+                          size_t count);
+
+#endif /* _DVB_DEMUX_H_ */