1 files changed, 172 insertions, 0 deletions

diff --git a/drivers/media/dvb/ngene/ngene-dvb.c b/drivers/media/dvb/ngene/ngene-dvb.c
new file mode 100644
index 000000000000..96013eb353cd
--- /dev/null
+++ b/drivers/media/dvb/ngene/ngene-dvb.c
@@ -0,0 +1,172 @@
+/*
+ * ngene-dvb.c: nGene PCIe bridge driver - DVB functions
+ *
+ * Copyright (C) 2005-2007 Micronas
+ *
+ * Copyright (C) 2008-2009 Ralph Metzler <rjkm@metzlerbros.de>
+ *                         Modifications for new nGene firmware,
+ *                         support for EEPROM-copying,
+ *                         support for new dual DVB-S2 card prototype
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/io.h>
+#include <asm/div64.h>
+#include <linux/pci.h>
+#include <linux/smp_lock.h>
+#include <linux/timer.h>
+#include <linux/version.h>
+#include <linux/byteorder/generic.h>
+#include <linux/firmware.h>
+#include <linux/vmalloc.h>
+
+#include "ngene.h"
+
+#define COMMAND_TIMEOUT_WORKAROUND
+
+
+/****************************************************************************/
+/* COMMAND API interface ****************************************************/
+/****************************************************************************/
+
+/****************************************************************************/
+/* DVB functions and API interface ******************************************/
+/****************************************************************************/
+
+static void swap_buffer(u32 *p, u32 len)
+{
+        while (len) {
+                *p = swab32(*p);
+                p++;
+                len -= 4;
+        }
+}
+
+void *tsin_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
+{
+        struct ngene_channel *chan = priv;
+
+
+#ifdef COMMAND_TIMEOUT_WORKAROUND
+        if (chan->users > 0)
+#endif
+                dvb_dmx_swfilter(&chan->demux, buf, len);
+        return NULL;
+}
+
+u8 fill_ts[188] = { 0x47, 0x1f, 0xff, 0x10 };
+
+void *tsout_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
+{
+        struct ngene_channel *chan = priv;
+        struct ngene *dev = chan->dev;
+        u32 alen;
+
+        alen = dvb_ringbuffer_avail(&dev->tsout_rbuf);
+        alen -= alen % 188;
+
+        if (alen < len)
+                FillTSBuffer(buf + alen, len - alen, flags);
+        else
+                alen = len;
+        dvb_ringbuffer_read(&dev->tsout_rbuf, buf, alen);
+        if (flags & DF_SWAP32)
+                swap_buffer((u32 *)buf, alen);
+        wake_up_interruptible(&dev->tsout_rbuf.queue);
+        return buf;
+}
+
+
+
+int ngene_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+        struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+        struct ngene_channel *chan = dvbdmx->priv;
+
+        if (chan->users == 0) {
+#ifdef COMMAND_TIMEOUT_WORKAROUND
+                if (!chan->running)
+#endif
+                        set_transfer(chan, 1);
+                /* msleep(10); */
+        }
+
+        return ++chan->users;
+}
+
+int ngene_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+        struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+        struct ngene_channel *chan = dvbdmx->priv;
+
+        if (--chan->users)
+                return chan->users;
+
+#ifndef COMMAND_TIMEOUT_WORKAROUND
+        set_transfer(chan, 0);
+#endif
+
+        return 0;
+}
+
+int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id,
+                            int (*start_feed)(struct dvb_demux_feed *),
+                            int (*stop_feed)(struct dvb_demux_feed *),
+                            void *priv)
+{
+        dvbdemux->priv = priv;
+
+        dvbdemux->filternum = 256;
+        dvbdemux->feednum = 256;
+        dvbdemux->start_feed = start_feed;
+        dvbdemux->stop_feed = stop_feed;
+        dvbdemux->write_to_decoder = NULL;
+        dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
+                                      DMX_SECTION_FILTERING |
+                                      DMX_MEMORY_BASED_FILTERING);
+        return dvb_dmx_init(dvbdemux);
+}
+
+int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
+                               struct dvb_demux *dvbdemux,
+                               struct dmx_frontend *hw_frontend,
+                               struct dmx_frontend *mem_frontend,
+                               struct dvb_adapter *dvb_adapter)
+{
+        int ret;
+
+        dmxdev->filternum = 256;
+        dmxdev->demux = &dvbdemux->dmx;
+        dmxdev->capabilities = 0;
+        ret = dvb_dmxdev_init(dmxdev, dvb_adapter);
+        if (ret < 0)
+                return ret;
+
+        hw_frontend->source = DMX_FRONTEND_0;
+        dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend);
+        mem_frontend->source = DMX_MEMORY_FE;
+        dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend);
+        return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend);
+}