3869007812
This patch moves the subsystem ID and subsystem vendor ID check from probing function to the PCI generic function by describing subsystem IDs in pci_device_id table. This enables to add new PCI IDs to a device driver pci_ids table at runtime by new_id file in sysfs pci driver tree. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
98 lines
3.8 KiB
Text
98 lines
3.8 KiB
Text
How to get the bt8xx cards working
|
|
==================================
|
|
|
|
1) General information
|
|
======================
|
|
|
|
This class of cards has a bt878a as the PCI interface, and require the bttv driver
|
|
for accessing the i2c bus and the gpio pins of the bt8xx chipset.
|
|
Please see Documentation/dvb/cards.txt => o Cards based on the Conexant Bt8xx PCI bridge:
|
|
|
|
Compiling kernel please enable:
|
|
a.)"Device drivers" => "Multimedia devices" => "Video For Linux" => "Enable Video for Linux API 1 (DEPRECATED)"
|
|
b.)"Device drivers" => "Multimedia devices" => "Video For Linux" => "Video Capture Adapters" => "BT848 Video For Linux"
|
|
c.)"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices" => "DVB for Linux" "DVB Core Support" "Bt8xx based PCI Cards"
|
|
|
|
Please use the following options with care as deselection of drivers which are in fact necessary
|
|
may result in DVB devices that cannot be tuned due to lack of driver support:
|
|
You can save RAM by deselecting every frontend module that your DVB card does not need.
|
|
|
|
First please remove the static dependency of DVB card drivers on all frontend modules for all possible card variants by enabling:
|
|
d.) "Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices"
|
|
=> "DVB for Linux" "DVB Core Support" "Load and attach frontend modules as needed"
|
|
|
|
If you know the frontend driver that your card needs please enable:
|
|
e.)"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices"
|
|
=> "DVB for Linux" "DVB Core Support" "Customise DVB Frontends" => "Customise the frontend modules to build"
|
|
Then please select your card-specific frontend module.
|
|
|
|
2) Loading Modules
|
|
==================
|
|
|
|
Regular case: If the bttv driver detects a bt8xx-based DVB card, all frontend and backend modules will be loaded automatically.
|
|
Exceptions are:
|
|
- Old TwinHan DST cards or clones with or without CA slot and not containing an Eeprom.
|
|
People running udev please see Documentation/dvb/udev.txt.
|
|
|
|
In the following cases overriding the PCI type detection for dvb-bt8xx might be necessary:
|
|
|
|
2a) Running TwinHan and Clones
|
|
------------------------------
|
|
|
|
$ modprobe bttv card=113
|
|
$ modprobe dst
|
|
|
|
Useful parameters for verbosity level and debugging the dst module:
|
|
|
|
verbose=0: messages are disabled
|
|
1: only error messages are displayed
|
|
2: notifications are displayed
|
|
3: other useful messages are displayed
|
|
4: debug setting
|
|
dst_addons=0: card is a free to air (FTA) card only
|
|
0x20: card has a conditional access slot for scrambled channels
|
|
|
|
The autodetected values are determined by the cards' "response string".
|
|
In your logs see f. ex.: dst_get_device_id: Recognize [DSTMCI].
|
|
For bug reports please send in a complete log with verbose=4 activated.
|
|
Please also see Documentation/dvb/ci.txt.
|
|
|
|
2b) Running multiple cards
|
|
--------------------------
|
|
|
|
Examples of card ID's:
|
|
|
|
Pinnacle PCTV Sat: 94
|
|
Nebula Electronics Digi TV: 104
|
|
pcHDTV HD-2000 TV: 112
|
|
Twinhan DST and clones: 113
|
|
Avermedia AverTV DVB-T 771: 123
|
|
Avermedia AverTV DVB-T 761: 124
|
|
DViCO FusionHDTV DVB-T Lite: 128
|
|
DViCO FusionHDTV 5 Lite: 135
|
|
|
|
Notice: The order of the card ID should be uprising:
|
|
Example:
|
|
$ modprobe bttv card=113 card=135
|
|
|
|
For a full list of card ID's please see Documentation/video4linux/CARDLIST.bttv.
|
|
In case of further problems please subscribe and send questions to the mailing list: linux-dvb@linuxtv.org.
|
|
|
|
2c) Probing the cards with broken PCI subsystem ID
|
|
--------------------------------------------------
|
|
There are some TwinHan cards that the EEPROM has become corrupted for some
|
|
reason. The cards do not have correct PCI subsystem ID. But we can force
|
|
probing the cards with broken PCI subsystem ID
|
|
|
|
$ echo 109e 0878 $subvendor $subdevice > \
|
|
/sys/bus/pci/drivers/bt878/new_id
|
|
|
|
109e: PCI_VENDOR_ID_BROOKTREE
|
|
0878: PCI_DEVICE_ID_BROOKTREE_878
|
|
|
|
Authors: Richard Walker,
|
|
Jamie Honan,
|
|
Michael Hunold,
|
|
Manu Abraham,
|
|
Uwe Bugla,
|
|
Michael Krufky
|