Conceptronic has just released the new sourcecode package for the CFULLHDMA:
http://download.conceptronic.net/GNU-GPL/CFULLHDMA/CFULLHDMA-v01.12.04.tar.gz
And updated toolchain for Kernel 2.6 firmware
http://download.conceptronic.net/GNU-GPL/CFULLHDMA/CFULLHDMA-Toolchain-Kernel-rootfs.v01.12.04.tar.bz2
Kernel 2.4 sourcecode is still available as well.