patch-2.4.0-test7 linux/drivers/usb/storage/dpcm.c

• Lines: 84
• Date: Tue Aug 22 13:10:55 2000
• Orig file: v2.4.0-test6/linux/drivers/usb/storage/dpcm.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test6/linux/drivers/usb/storage/dpcm.c linux/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;
+  }
+}