Copyright (c) 2007 M. Warner Losh
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PRO...
(The comments found at the beginning of the groff file "man4/mmcsd.4freebsd".)
- MMC and SD memory card driver.
driver implements direct access block device for MMC and SD memory cards.
"SD Specifications, Part 1, Physical Layer, Simplified Specification"
"The MultiMediaCard System Specification"