Nathan Whitehorn b798355b99 Expand the DBDMA API to allow setting device-dependent control bits. While
here, clean up and document this a little.

Submitted by:	Marco Trillo
MFC after:	1 week
2008-09-27 15:41:16 +00:00
..
2008-09-26 15:29:18 +00:00
2008-08-24 07:40:14 +00:00
2008-09-26 05:54:24 +00:00