Is there any driver for TW6816?

[Intron]

   TW6816 is a 4-CH audio/video decoder. It is used in CCTV
   (closed-circuit television).
   Is there any FreeBSD driver for TW6816? If no, I would write one. If
   anyone is working
   for it, please let me know.
   Brief introduction:
   [1]http://www.intersil.com/content/dam/Intersil/documents/fn77/fn7753.p
   df
   TW68xx driver for Linux: [2]https://gitorious.org/tw68

References

   1. http://www.intersil.com/content/dam/Intersil/documents/fn77/fn7753.pdf
   2. https://gitorious.org/tw68