20 files changed, 11384 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-core/Makefile b/drivers/media/dvb/dvb-core/Makefile
new file mode 100644
index 00000000000..8f22bcd7c1f
--- /dev/null
+++ b/drivers/media/dvb/dvb-core/Makefile
@@ -0,0 +1,11 @@
+#
+# Makefile for the kernel DVB device drivers.
+#
+
+dvb-net-$(CONFIG_DVB_NET) := dvb_net.o
+
+dvb-core-objs := dvbdev.o dmxdev.o dvb_demux.o dvb_filter.o     \
+                 dvb_ca_en50221.o dvb_frontend.o                \
+                 $(dvb-net-y) dvb_ringbuffer.o dvb_math.o
+
+obj-$(CONFIG_DVB_CORE) += dvb-core.o
diff --git a/drivers/media/dvb/dvb-core/demux.h b/drivers/media/dvb/dvb-core/demux.h
new file mode 100644
index 00000000000..eb91fd808c1
--- /dev/null
+++ b/drivers/media/dvb/dvb-core/demux.h
@@ -0,0 +1,280 @@
+/*
+ * demux.h
+ *
+ * Copyright (c) 2002 Convergence GmbH
+ *
+ * based on code:
+ * Copyright (c) 2000 Nokia Research Center
+ *                    Tampere, FINLAND
+ *
+ * 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 __DEMUX_H
+#define __DEMUX_H
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/time.h>
+#include <linux/dvb/dmx.h>
+
+/*--------------------------------------------------------------------------*/
+/* Common definitions */
+/*--------------------------------------------------------------------------*/
+
+/*
+ * DMX_MAX_FILTER_SIZE: Maximum length (in bytes) of a section/PES filter.
+ */
+
+#ifndef DMX_MAX_FILTER_SIZE
+#define DMX_MAX_FILTER_SIZE 18
+#endif
+
+/*
+ * DMX_MAX_SECFEED_SIZE: Maximum length (in bytes) of a private section feed filter.
+ */
+
+#ifndef DMX_MAX_SECTION_SIZE
+#define DMX_MAX_SECTION_SIZE 4096
+#endif
+#ifndef DMX_MAX_SECFEED_SIZE
+#define DMX_MAX_SECFEED_SIZE (DMX_MAX_SECTION_SIZE + 188)
+#endif
+
+
+/*
+ * enum dmx_success: Success codes for the Demux Callback API.
+ */
+
+enum dmx_success {
+  DMX_OK = 0, /* Received Ok */
+  DMX_LENGTH_ERROR, /* Incorrect length */
+  DMX_OVERRUN_ERROR, /* Receiver ring buffer overrun */
+  DMX_CRC_ERROR, /* Incorrect CRC */
+  DMX_FRAME_ERROR, /* Frame alignment error */
+  DMX_FIFO_ERROR, /* Receiver FIFO overrun */
+  DMX_MISSED_ERROR /* Receiver missed packet */
+} ;
+
+/*--------------------------------------------------------------------------*/
+/* TS packet reception */
+/*--------------------------------------------------------------------------*/
+
+/* TS filter type for set() */
+
+#define TS_PACKET       1   /* send TS packets (188 bytes) to callback (default) */
+#define TS_PAYLOAD_ONLY 2   /* in case TS_PACKET is set, only send the TS
+                               payload (<=184 bytes per packet) to callback */
+#define TS_DECODER      4   /* send stream to built-in decoder (if present) */
+#define TS_DEMUX        8   /* in case TS_PACKET is set, send the TS to
+                               the demux device, not to the dvr device */
+
+/* PES type for filters which write to built-in decoder */
+/* these should be kept identical to the types in dmx.h */
+
+enum dmx_ts_pes
+{  /* also send packets to decoder (if it exists) */
+        DMX_TS_PES_AUDIO0,
+        DMX_TS_PES_VIDEO0,
+        DMX_TS_PES_TELETEXT0,
+        DMX_TS_PES_SUBTITLE0,
+        DMX_TS_PES_PCR0,
+
+        DMX_TS_PES_AUDIO1,
+        DMX_TS_PES_VIDEO1,
+        DMX_TS_PES_TELETEXT1,
+        DMX_TS_PES_SUBTITLE1,
+        DMX_TS_PES_PCR1,
+
+        DMX_TS_PES_AUDIO2,
+        DMX_TS_PES_VIDEO2,
+        DMX_TS_PES_TELETEXT2,
+        DMX_TS_PES_SUBTITLE2,
+        DMX_TS_PES_PCR2,
+
+        DMX_TS_PES_AUDIO3,
+        DMX_TS_PES_VIDEO3,
+        DMX_TS_PES_TELETEXT3,
+        DMX_TS_PES_SUBTITLE3,
+        DMX_TS_PES_PCR3,
+
+        DMX_TS_PES_OTHER
+};
+
+#define DMX_TS_PES_AUDIO    DMX_TS_PES_AUDIO0
+#define DMX_TS_PES_VIDEO    DMX_TS_PES_VIDEO0
+#define DMX_TS_PES_TELETEXT DMX_TS_PES_TELETEXT0
+#define DMX_TS_PES_SUBTITLE DMX_TS_PES_SUBTITLE0
+#define DMX_TS_PES_PCR      DMX_TS_PES_PCR0
+
+
+struct dmx_ts_feed {
+        int is_filtering; /* Set to non-zero when filtering in progress */
+        struct dmx_demux *parent; /* Back-pointer */
+        void *priv; /* Pointer to private data of the API client */
+        int (*set) (struct dmx_ts_feed *feed,
+                    u16 pid,
+                    int type,
+                    enum dmx_ts_pes pes_type,
+                    size_t circular_buffer_size,
+                    struct timespec timeout);
+        int (*start_filtering) (struct dmx_ts_feed* feed);
+        int (*stop_filtering) (struct dmx_ts_feed* feed);
+};
+
+/*--------------------------------------------------------------------------*/
+/* Section reception */
+/*--------------------------------------------------------------------------*/
+
+struct dmx_section_filter {
+        u8 filter_value [DMX_MAX_FILTER_SIZE];
+        u8 filter_mask [DMX_MAX_FILTER_SIZE];
+        u8 filter_mode [DMX_MAX_FILTER_SIZE];
+        struct dmx_section_feed* parent; /* Back-pointer */
+        void* priv; /* Pointer to private data of the API client */
+};
+
+struct dmx_section_feed {
+        int is_filtering; /* Set to non-zero when filtering in progress */
+        struct dmx_demux* parent; /* Back-pointer */
+        void* priv; /* Pointer to private data of the API client */
+
+        int check_crc;
+        u32 crc_val;
+
+        u8 *secbuf;
+        u8 secbuf_base[DMX_MAX_SECFEED_SIZE];
+        u16 secbufp, seclen, tsfeedp;
+
+        int (*set) (struct dmx_section_feed* feed,
+                    u16 pid,
+                    size_t circular_buffer_size,
+                    int check_crc);
+        int (*allocate_filter) (struct dmx_section_feed* feed,
+                                struct dmx_section_filter** filter);
+        int (*release_filter) (struct dmx_section_feed* feed,
+                               struct dmx_section_filter* filter);
+        int (*start_filtering) (struct dmx_section_feed* feed);
+        int (*stop_filtering) (struct dmx_section_feed* feed);
+};