V4L/DVB (3538): Bt8xx documentation update
Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>hifive-unleashed-5.1
Uwe Bugla
Linus Torvalds
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a8733ca514
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8abe58aee6
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How to get the Nebula, PCTV, FusionHDTV Lite and Twinhan DST cards working
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==========================================================================
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How to get the bt8xx cards working
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==================================
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This class of cards has a bt878a as the PCI interface, and
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require the bttv driver.
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1) General information
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======================
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Please pay close attention to the warning about the bttv module
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options below for the DST card.
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This class of cards has a bt878a as the PCI interface, and require the bttv driver
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for accessing the i2c bus and the gpio pins of the bt8xx chipset.
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Please see Documentation/dvb/cards.txt => o Cards based on the Conexant Bt8xx PCI bridge:
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1) General informations
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=======================
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These drivers require the bttv driver to provide the means to access
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the i2c bus and the gpio pins of the bt8xx chipset.
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Because of this, you need to enable
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"Device drivers" => "Multimedia devices"
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=> "Video For Linux" => "BT848 Video For Linux"
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Furthermore you need to enable
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"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices"
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=> "DVB for Linux" "DVB Core Support" "BT8xx based PCI cards"
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Compiling kernel please enable:
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a.)"Device drivers" => "Multimedia devices" => "Video For Linux" => "BT848 Video For Linux"
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b.)"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices"
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=> "DVB for Linux" "DVB Core Support" "Bt8xx based PCI Cards"
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2) Loading Modules
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==================
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In general you need to load the bttv driver, which will handle the gpio and
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i2c communication for us, plus the common dvb-bt8xx device driver.
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The frontends for Nebula (nxt6000), Pinnacle PCTV (cx24110), TwinHan (dst),
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FusionHDTV DVB-T Lite (mt352) and FusionHDTV5 Lite (lgdt330x) are loaded
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automatically by the dvb-bt8xx device driver.
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In default cases bttv is loaded automatically.
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To load the backend either place dvb-bt8xx in etc/modules, or apply manually:
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3a) Nebula / Pinnacle PCTV / FusionHDTV Lite
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---------------------------------------------
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$ modprobe dvb-bt8xx
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$ modprobe bttv (normally bttv is being loaded automatically by kmod)
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$ modprobe dvb-bt8xx
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All frontends will be loaded automatically.
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People running udev please see Documentation/dvb/udev.txt.
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(or just place dvb-bt8xx in /etc/modules for automatic loading)
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In the following cases overriding the PCI type detection for dvb-bt8xx might be necessary:
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2a) Running TwinHan and Clones
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------------------------------
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3b) TwinHan and Clones
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$ modprobe bttv card=113
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$ modprobe dvb-bt8xx
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$ modprobe dst
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Useful parameters for verbosity level and debugging the dst module:
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verbose=0: messages are disabled
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1: only error messages are displayed
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2: notifications are displayed
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3: other useful messages are displayed
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4: debug setting
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dst_addons=0: card is a free to air (FTA) card only
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0x20: card has a conditional access slot for scrambled channels
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The autodetected values are determined by the cards' "response string".
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In your logs see f. ex.: dst_get_device_id: Recognize [DSTMCI].
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For bug reports please send in a complete log with verbose=4 activated.
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Please also see Documentation/dvb/ci.txt.
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2b) Running multiple cards
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--------------------------
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$ modprobe bttv card=0x71
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$ modprobe dvb-bt8xx
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$ modprobe dst
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Examples of card ID's:
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The value 0x71 will override the PCI type detection for dvb-bt8xx,
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which is necessary for TwinHan cards. Omission of this parameter might result
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in a system lockup.
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If you're having an older card (blue color PCB) and card=0x71 locks up
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your machine, try using 0x68, too. If that does not work, ask on the
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mailing list.
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The DST module takes a couple of useful parameters.
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verbose takes values 0 to 4. These values control the verbosity level,
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and can be used to debug also.
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verbose=0 means complete disabling of messages
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1 only error messages are displayed
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2 notifications are also displayed
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3 informational messages are also displayed
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4 debug setting
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dst_addons takes values 0 and 0x20. A value of 0 means it is a FTA card.
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0x20 means it has a Conditional Access slot.
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The autodetected values are determined by the cards 'response string'
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which you can see in your logs e.g.
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dst_get_device_id: Recognise [DSTMCI]
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If you need to sent in bug reports on the dst, please do send in a complete
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log with the verbose=4 module parameter. For general usage, the default setting
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of verbose=1 is ideal.
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4) Multiple cards
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--------------------------
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If you happen to be running multiple cards, it would be advisable to load
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the bttv module with the card id. This would help to solve any module loading
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problems that you might face.
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For example, if you have a Twinhan and Clones card along with a FusionHDTV5 Lite
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$ modprobe bttv card=0x71 card=0x87
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Here the order of the card id is important and should be the same as that of the
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physical order of the cards. Here card=0x71 represents the Twinhan and clones
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and card=0x87 represents Fusion HDTV5 Lite. These arguments can also be
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specified in decimal, rather than hex:
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Pinnacle PCTV Sat: 94
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Nebula Electronics Digi TV: 104
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pcHDTV HD-2000 TV: 112
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Twinhan DST and clones: 113
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Avermedia AverTV DVB-T 771: 123
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Avermedia AverTV DVB-T 761: 124
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DViCO FusionHDTV DVB-T Lite: 128
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DViCO FusionHDTV 5 Lite: 135
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Notice: The order of the card ID should be uprising:
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Example:
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$ modprobe bttv card=113 card=135
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$ modprobe dvb-bt8xx
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Some examples of card-id's
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For a full list of card ID's please see Documentation/video4linux/CARDLIST.bttv.
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In case of further problems send questions to the mailing list: www.linuxdvb.org.
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Pinnacle Sat 0x5e (94)
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Nebula Digi TV 0x68 (104)
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PC HDTV 0x70 (112)
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Twinhan 0x71 (113)
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FusionHDTV DVB-T Lite 0x80 (128)
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FusionHDTV5 Lite 0x87 (135)
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For a full list of card-id's, see the V4L Documentation within the kernel
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source: linux/Documentation/video4linux/CARDLIST.bttv
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If you have problems with this please do ask on the mailing list.
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--
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Authors: Richard Walker,
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Jamie Honan,
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Michael Hunold,
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Manu Abraham,
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Uwe Bugla,
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Michael Krufky
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