diff options
Diffstat (limited to 'drivers/usb/storage/dpcm.c')
-rw-r--r-- | drivers/usb/storage/dpcm.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/usb/storage/dpcm.c b/drivers/usb/storage/dpcm.c new file mode 100644 index 000000000..8b7195bfc --- /dev/null +++ b/drivers/usb/storage/dpcm.c @@ -0,0 +1,83 @@ +/* Driver for Microtech DPCM-USB CompactFlash/SmartMedia reader + * + * $Id: dpcm.c,v 1.1 2000/08/08 01:26:12 webbb Exp $ + * + * DPCM driver v0.1: + * + * First release + * + * Current development and maintainance by: + * (c) 2000 Brian Webb (webbb@earthlink.net) + * + * This device contains both a CompactFlash card reader, which + * usest 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 <linux/config.h> +#include "transport.h" +#include "protocol.h" +#include "usb.h" +#include "debug.h" +#include "dpcm.h" +#include "sddr09.h" + + +/* + * Transport for the Microtech DPCM-USB + * + */ +int dpcm_transport(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->lun); + + switch(srb->lun) { + case 0: + + /* + * LUN 0 corresponds to the CompactFlash card reader. + */ + return usb_stor_CB_transport(srb, us); + +#ifdef CONFIG_USB_STORAGE_SDDR09 + case 1: + + /* + * LUN 1 corresponds to the SmartMedia card reader. + */ + + /* + * Set the LUN to 0 (just in case). + */ + srb->lun = 0; us->srb->lun = 0; + ret = sddr09_transport(srb, us); + srb->lun = 1; us->srb->lun = 1; + + return ret; +#endif + + default: + US_DEBUGP("dpcm_transport: Invalid LUN %d\n", srb->lun); + return USB_STOR_TRANSPORT_ERROR; + } +} |