On Mon, Aug 13, 2007 at 01:23:20PM +0200, Marcin G??ogowski wrote: > Hi everybody, > I have to rewrite/create my own Linux driver for the PDIUSB12 usb chip > (USB storage).
Why? Doesn't the current usb-storage driver work for it? What about the ub driver? Don't we have enough usb storage drivers in the tree already? :) > I would like to know whether somebady has such example/driver or how to > write a DMA command and data to USB device. You can't do that directly, sorry. > I have look at the "edb931x-usb.c" code and I saw that there is a > communication via registers. > My chip doesn't support registers only DMA commands/data, but as I > mentioned don't know how to use those commands (I don't know them). > I would be very grateful for any help. > The PDF to chip that I use is at: > www.nxp.com/acrobat_download/various/PDIUSBD12_PROGRAMMING_GUIDE.pdf > <http://www.nxp.com/acrobat_download/various/PDIUSBD12_PROGRAMMING_GUIDE.pdf> Wait, is this a USB host controller, a device controller, or do you need a driver on the host to control the device? confused, greg k-h ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
