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/* Driver for Microtech DPCM-USB CompactFlash/SmartMedia reader
*
* $Id: dpcm.c,v 1.4 2001/06/11 02:54:25 mdharm Exp $
*
* DPCM driver v0.1:
*
* First release
*
* Current development and maintenance by:
* (c) 2000 Brian Webb (webbb@earthlink.net)
*
* This device contains both a CompactFlash card reader, which
* uses the Control/Bulk w/o Interrupt protocol and
* a SmartMedia card reader that uses the same protocol
* as the SDDR09.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include "usb.h"
#include "transport.h"
#include "protocol.h"
#include "debug.h"
#include "dpcm.h"
#include "sddr09.h"
/*
* Transport for the Microtech DPCM-USB
*
*/
int dpcm_transport(struct scsi_cmnd *srb, struct us_data *us)
{
int ret;
if (srb == NULL)
return USB_STOR_TRANSPORT_ERROR;
US_DEBUGP("dpcm_transport: LUN=%d\n", srb->device->lun);
switch (srb->device->lun) {
case 0:
/*
* LUN 0 corresponds to the CompactFlash card reader.
*/
ret = usb_stor_CB_transport(srb, us);
break;
#ifdef CONFIG_USB_STORAGE_SDDR09
case 1:
/*
* LUN 1 corresponds to the SmartMedia card reader.
*/
/*
* Set the LUN to 0 (just in case).
*/
srb->device->lun = 0; us->srb->device->lun = 0;
ret = sddr09_transport(srb, us);
srb->device->lun = 1; us->srb->device->lun = 1;
break;
#endif
default:
US_DEBUGP("dpcm_transport: Invalid LUN %d\n", srb->device->lun);
ret = USB_STOR_TRANSPORT_ERROR;
break;
}
return ret;
}
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