[ATrpms-users] centos5 installation doesn't recognize hd5000 dvb cards

[Lunch Special]

Hello,
I've been trying to bring up mythtv on a machine with centos5. I've 
installed video4linux package, but no /dev/dvb devices are created during boot:

video4linux.i386                         1:20070420-80.el5 
installed
video4linux-kmdl-2.6.18-8.el5.i686       1:20070420-80.el5      installed

There are no error messages of any type in dmesg. There are no 
messages containing 'dvb', 'flexcop', etc, either. 'lspci' shows the 
two HD5000's installed. I've read in several places that these cards 
may need firmware, but I've been unable to find specifically what 
firmware file is required, if any. I have the following firmware 
files in /lib/firmware:

v4l-cx2341x-dec.fw
v4l-cx2341x-enc.fw
v4l-cx25840.fw
v4l-pvrusb2-24xxx-01.fw
v4l-pvrusb2-29xxx-01.fw

At this point I'm guessing that the el5 version of video4linux-kmdl 
was built without flexcop or b2c2 support. I'd like to rebuild 
video4linux-kmdl-2.6.18-8.el5.i686. Could someone provide pointers to 
the source for this package? Any tips on the build process would also 
be appreciated.

Also, if these questions are better suited for another board, please 
let me know where to post.

TIA,
TB