[PATCH] sddr09 write capability

USB sddr09

The main purpose of the patch is to add write capability.

drivers/scsi/sd.c

@@ -1005,6 +1005,10 @@ static int sd_init_onedisk(int i)
 		 * we're only interested in the header anyway, this should
 		 * be fine.
 		 *   -- Matthew Dharm (mdharm-scsi@one-eyed-alien.net)
+		 *
+		 * As it turns out, some devices return an error for
+		 * every MODE_SENSE request except one for page 0.
+		 * So, we should also try that. --aeb
 		 */
 
 		memset((void *) &cmd[0], 0, 8);
@@ -1025,7 +1029,9 @@ static int sd_init_onedisk(int i)
 		the_result = SRpnt->sr_result;
 
 		if (the_result) {
-			printk("%s: test WP failed, assume Write Enabled\n", nbuff);
+			printk("%s: test WP failed, assume Write Enabled\n",
+			       nbuff);
+			/* alternatively, try page 0 */
 		} else {
 			rscsi_disks[i].write_prot = ((buffer[2] & 0x80) != 0);
 			printk("%s: Write Protect is %s\n", nbuff,

drivers/usb/storage/Config.help

@@ -28,11 +28,15 @@ CONFIG_USB_STORAGE_FREECOM
   Support for the Freecom USB to IDE/ATAPI adaptor.
   Freecom has a web page at <http://www.freecom.de/>.
 
+CONFIG_USB_STORAGE_DATAFAB
+  Support for certain Datafab CompactFlash readers.
+  Datafab has a web page at <http://www.datafabusa.com/>.
+
 CONFIG_USB_STORAGE_DPCM
-  Say Y here to support the Microtech ZiO! CompactFlash/SmartMedia
-  reader, details at <http://www.microtechint.com/zio/index.html>.
-  This driver treats the flash card as a removable storage device.
+  Say Y here to support the Microtech ZiO! CompactFlash reader.
+  There is a web page at <http://www.microtechint.com/zio/index.html>.
 
 CONFIG_USB_STORAGE_SDDR09
   Say Y here to include additional code to support the Sandisk SDDR-09
   SmartMedia reader in the USB Mass Storage driver.
+  Also works for the Microtech Zio! SmartMedia reader.

drivers/usb/storage/Config.in

@@ -6,7 +6,7 @@ if [ "$CONFIG_SCSI" = "n" ]; then
 fi
 dep_tristate '  USB Mass Storage support' CONFIG_USB_STORAGE $CONFIG_USB $CONFIG_SCSI
    dep_mbool '    USB Mass Storage verbose debug' CONFIG_USB_STORAGE_DEBUG $CONFIG_USB_STORAGE
-   dep_mbool '    Datafab MDCFE-B Compact Flash Reader support' CONFIG_USB_STORAGE_DATAFAB $CONFIG_USB_STORAGE $CONFIG_EXPERIMENTAL
+   dep_mbool '    Datafab Compact Flash Reader support' CONFIG_USB_STORAGE_DATAFAB $CONFIG_USB_STORAGE $CONFIG_EXPERIMENTAL
    dep_mbool '    Freecom USB/ATAPI Bridge support' CONFIG_USB_STORAGE_FREECOM  $CONFIG_USB_STORAGE
    dep_mbool '    ISD-200 USB/ATA Bridge support' CONFIG_USB_STORAGE_ISD200 $CONFIG_USB_STORAGE
    dep_mbool '    Microtech CompactFlash/SmartMedia support' CONFIG_USB_STORAGE_DPCM $CONFIG_USB_STORAGE

drivers/usb/storage/debug.c

@@ -327,6 +327,7 @@ void usb_stor_show_sense(
 	case 0x3502: what="enclosure services unavailable"; break;
 	case 0x3503: what="enclosure services transfer failure"; break;
 	case 0x3504: what="enclosure services transfer refused"; break;
+	case 0x3A00: what="medium not present"; break;
 	case 0x3B0F: what="end of medium reached"; break;
 	case 0x3F02: what="changed operating definition"; break;
 	case 0x4100: what="data path failure (should use 40 NN)"; break;

drivers/usb/storage/initializers.h

@@ -37,8 +37,13 @@
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/config.h>
 #include "usb.h"
 
 /* This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target
  * mode */
 int usb_stor_euscsi_init(struct us_data *us);
+
+#ifdef CONFIG_USB_STORAGE_SDDR09
+int sddr09_init(struct us_data *us);
+#endif

drivers/usb/storage/jumpshot.c

@@ -192,7 +192,7 @@ static int jumpshot_raw_bulk(int direction,
 		return US_BULK_TRANSFER_SHORT;
 	}
 
-	US_DEBUGP("jumpshot_raw_bulk:  Transfered %d of %d bytes\n", act_len, len);
+	US_DEBUGP("jumpshot_raw_bulk:  Transferred %d of %d bytes\n", act_len, len);
 	return US_BULK_TRANSFER_GOOD;
 }
 

drivers/usb/storage/sddr09.h

@@ -5,6 +5,7 @@
  *
  * Current development and maintenance by:
  *   (c) 2000 Robert Baruch (autophile@dol.net)
+ *   (c) 2002 Andries Brouwer (aeb@cwi.nl)
  *
  * See sddr09.c for more explanation
  *
@@ -39,6 +40,9 @@ struct sddr09_card_info {
 	int		blockmask;	/* 2^blockshift - 1 */
 	int		*lba_to_pba;	/* logical to physical map */
 	int		*pba_to_lba;	/* physical to logical map */
+	int		lbact;		/* number of available pages */
+	int		flags;
+#define	SDDR09_WP	1		/* write protected */
 };
 
 #endif

drivers/usb/storage/unusual_devs.h

@@ -130,14 +130,14 @@ UNUSUAL_DEV(  0x04e6, 0x0003, 0x0000, 0x9999,
 		"ImageMate SDDR09",
 		US_SC_SCSI, US_PR_EUSB_SDDR09, NULL,
 		US_FL_SINGLE_LUN | US_FL_START_STOP ),
-#endif
 
 /* This entry is from Andries.Brouwer@cwi.nl */
 UNUSUAL_DEV(  0x04e6, 0x0005, 0x0100, 0x0208,
 		"SCM Microsystems",
 		"eUSB SmartMedia / CompactFlash Adapter",
-		US_SC_SCSI, US_PR_DPCM_USB, NULL, 
+		US_SC_SCSI, US_PR_DPCM_USB, sddr09_init, 
 		US_FL_START_STOP), 
+#endif
 
 UNUSUAL_DEV(  0x04e6, 0x0006, 0x0100, 0x0205, 
 		"Shuttle",