Porting the v4 firmware driver from FreeBSD (bwn) would be a closer match. bwi really only covers the older chips.
On Mon, Jan 30, 2012 at 06:54:02PM +0000, Josh Grosse wrote: > I happen to have one of these, and am *considering* diving in to see if I can > integrate this with bwi(4). If you're already working on this, or if you have > worked on it in the the past, please let me know; I would hate to duplicate > your > efforts. > > While I have not yet begun scoping the technical requirements, a bit of > Googling > indicates that Broadcom made their applicable 802.11 Linux driver open source > in > September 2010. That may be a starting place....Or not. :) > > Thanks!