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yaml --- r: 193151 b: refs/heads/master c: 1899e97 h: refs/heads/master i: 193149: 4d292ec 193147: d61c819 193143: 16e1385 193135: 8282e96 193119: b5ab52f 193087: a86856e 193023: d0e3a0d v: v3
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Devin Heitmueller
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Mauro Carvalho Chehab
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May 19, 2010
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: cbddcba695563ba6c0cba35b647b6bf53ec54333 | ||
| refs/heads/master: 1899e97c52b80c734ead7a98f54ed6fd6e1db96a |
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| /* | ||
| * 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" | ||
|
|
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| #define COMMAND_TIMEOUT_WORKAROUND | ||
|
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|
|
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| /****************************************************************************/ | ||
| /* COMMAND API interface ****************************************************/ | ||
| /****************************************************************************/ | ||
|
|
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| /****************************************************************************/ | ||
| /* DVB functions and API interface ******************************************/ | ||
| /****************************************************************************/ | ||
|
|
||
| static void swap_buffer(u32 *p, u32 len) | ||
| { | ||
| while (len) { | ||
| *p = swab32(*p); | ||
| p++; | ||
| len -= 4; | ||
| } | ||
| } | ||
|
|
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| void *tsin_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags) | ||
| { | ||
| struct ngene_channel *chan = priv; | ||
|
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|
|
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| #ifdef COMMAND_TIMEOUT_WORKAROUND | ||
| if (chan->users > 0) | ||
| #endif | ||
| dvb_dmx_swfilter(&chan->demux, buf, len); | ||
| return NULL; | ||
| } | ||
|
|
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| u8 fill_ts[188] = { 0x47, 0x1f, 0xff, 0x10 }; | ||
|
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| 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; | ||
|
|
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| alen = dvb_ringbuffer_avail(&dev->tsout_rbuf); | ||
| alen -= alen % 188; | ||
|
|
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| 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; | ||
| } | ||
|
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| int ngene_start_feed(struct dvb_demux_feed *dvbdmxfeed) | ||
| { | ||
| struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | ||
| struct ngene_channel *chan = dvbdmx->priv; | ||
|
|
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| if (chan->users == 0) { | ||
| #ifdef COMMAND_TIMEOUT_WORKAROUND | ||
| if (!chan->running) | ||
| #endif | ||
| set_transfer(chan, 1); | ||
| /* msleep(10); */ | ||
| } | ||
|
|
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| return ++chan->users; | ||
| } | ||
|
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| int ngene_stop_feed(struct dvb_demux_feed *dvbdmxfeed) | ||
| { | ||
| struct dvb_demux *dvbdmx = dvbdmxfeed->demux; | ||
| struct ngene_channel *chan = dvbdmx->priv; | ||
|
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| if (--chan->users) | ||
| return chan->users; | ||
|
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| #ifndef COMMAND_TIMEOUT_WORKAROUND | ||
| set_transfer(chan, 0); | ||
| #endif | ||
|
|
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| return 0; | ||
| } | ||
|
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| 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; | ||
|
|
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| 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); | ||
| } | ||
|
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| 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; | ||
|
|
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| dmxdev->filternum = 256; | ||
| dmxdev->demux = &dvbdemux->dmx; | ||
| dmxdev->capabilities = 0; | ||
| ret = dvb_dmxdev_init(dmxdev, dvb_adapter); | ||
| if (ret < 0) | ||
| return ret; | ||
|
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| 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); | ||
| } |
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