usb-storage: make isd200 a separate module

This patch (as1208) converts usb-storage's isd200 subdriver into a
separate module.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

8 files changed, 154 insertions, 88 deletions

diff --git a/drivers/usb/storage/Kconfig b/drivers/usb/storage/Kconfig
index 7be8899f255..fc356a770a7 100644
--- a/drivers/usb/storage/Kconfig
+++ b/drivers/usb/storage/Kconfig
@@ -46,7 +46,7 @@ config USB_STORAGE_FREECOM
           Freecom has a web page at <http://www.freecom.de/>.
 
 config USB_STORAGE_ISD200
-        bool "ISD-200 USB/ATA Bridge support"
+        tristate "ISD-200 USB/ATA Bridge support"
         depends on USB_STORAGE
         ---help---
           Say Y here if you want to use USB Mass Store devices based
@@ -61,6 +61,8 @@ config USB_STORAGE_ISD200
           - CyQ've CQ8060A CDRW drive
           - Planex eXtreme Drive RX-25HU USB-IDE cable (not model RX-25U)
 
+          If this driver is compiled as a module, it will be named ums-isd200.
+
 config USB_STORAGE_USBAT
         bool "USBAT/USBAT02-based storage support"
         depends on USB_STORAGE
diff --git a/drivers/usb/storage/Makefile b/drivers/usb/storage/Makefile
index a52740a9560..b47f94e59fd 100644
--- a/drivers/usb/storage/Makefile
+++ b/drivers/usb/storage/Makefile
@@ -13,7 +13,6 @@ usb-storage-obj-$(CONFIG_USB_STORAGE_DEBUG)	+= debug.o
 usb-storage-obj-$(CONFIG_USB_STORAGE_USBAT)     += shuttle_usbat.o
 usb-storage-obj-$(CONFIG_USB_STORAGE_SDDR55)    += sddr55.o
 usb-storage-obj-$(CONFIG_USB_STORAGE_FREECOM)   += freecom.o
-usb-storage-obj-$(CONFIG_USB_STORAGE_ISD200)    += isd200.o
 usb-storage-obj-$(CONFIG_USB_STORAGE_DATAFAB)   += datafab.o
 usb-storage-obj-$(CONFIG_USB_STORAGE_JUMPSHOT)  += jumpshot.o
 usb-storage-obj-$(CONFIG_USB_STORAGE_ALAUDA)    += alauda.o
@@ -30,6 +29,8 @@ else
         obj-$(CONFIG_USB)       += libusual.o usual-tables.o
 endif
 
+obj-$(CONFIG_USB_STORAGE_ISD200)        += ums-isd200.o
 obj-$(CONFIG_USB_STORAGE_SDDR09)        += ums-sddr09.o
 
+ums-isd200-objs         := isd200.o
 ums-sddr09-objs         := sddr09.o
diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c
index 383abf2516a..df943008538 100644
--- a/drivers/usb/storage/isd200.c
+++ b/drivers/usb/storage/isd200.c
@@ -44,6 +44,7 @@
 
 #include <linux/jiffies.h>
 #include <linux/errno.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/hdreg.h>
 #include <linux/scatterlist.h>
@@ -57,7 +58,50 @@
 #include "protocol.h"
 #include "debug.h"
 #include "scsiglue.h"
-#include "isd200.h"
+
+
+static int isd200_Initialization(struct us_data *us);
+
+
+/*
+ * The table of devices
+ */
+#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
+                    vendorName, productName, useProtocol, useTransport, \
+                    initFunction, flags) \
+{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
+  .driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
+
+struct usb_device_id isd200_usb_ids[] = {
+#       include "unusual_isd200.h"
+        { }             /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, isd200_usb_ids);
+
+#undef UNUSUAL_DEV
+#undef USUAL_DEV
+
+/*
+ * The flags table
+ */
+#define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
+                    vendor_name, product_name, use_protocol, use_transport, \
+                    init_function, Flags) \
+{ \
+        .vendorName = vendor_name,      \
+        .productName = product_name,    \
+        .useProtocol = use_protocol,    \
+        .useTransport = use_transport,  \
+        .initFunction = init_function,  \
+}
+
+static struct us_unusual_dev isd200_unusual_dev_list[] = {
+#       include "unusual_isd200.h"
+        { }             /* Terminating entry */
+};
+
+#undef UNUSUAL_DEV
+#undef USUAL_DEV
 
 
 /* Timeout defines (in Seconds) */
@@ -1518,7 +1562,7 @@ static int isd200_init_info(struct us_data *us)
  * Initialization for the ISD200 
  */
 
-int isd200_Initialization(struct us_data *us)
+static int isd200_Initialization(struct us_data *us)
 {
         US_DEBUGP("ISD200 Initialization...\n");
 
@@ -1549,7 +1593,7 @@ int isd200_Initialization(struct us_data *us)
  *
  */
 
-void isd200_ata_command(struct scsi_cmnd *srb, struct us_data *us)
+static void isd200_ata_command(struct scsi_cmnd *srb, struct us_data *us)
 {
         int sendToTransport = 1, orig_bufflen;
         union ata_cdb ataCdb;
@@ -1570,3 +1614,47 @@ void isd200_ata_command(struct scsi_cmnd *srb, struct us_data *us)
 
         isd200_srb_set_bufflen(srb, orig_bufflen);
 }
+
+static int isd200_probe(struct usb_interface *intf,
+                         const struct usb_device_id *id)
+{
+        struct us_data *us;
+        int result;
+
+        result = usb_stor_probe1(&us, intf, id,
+                        (id - isd200_usb_ids) + isd200_unusual_dev_list);
+        if (result)
+                return result;
+
+        us->protocol_name = "ISD200 ATA/ATAPI";
+        us->proto_handler = isd200_ata_command;
+
+        result = usb_stor_probe2(us);
+        return result;
+}
+
+static struct usb_driver isd200_driver = {
+        .name =         "ums-isd200",
+        .probe =        isd200_probe,
+        .disconnect =   usb_stor_disconnect,
+        .suspend =      usb_stor_suspend,
+        .resume =       usb_stor_resume,
+        .reset_resume = usb_stor_reset_resume,
+        .pre_reset =    usb_stor_pre_reset,
+        .post_reset =   usb_stor_post_reset,
+        .id_table =     isd200_usb_ids,
+        .soft_unbind =  1,
+};
+
+static int __init isd200_init(void)
+{
+        return usb_register(&isd200_driver);
+}
+
+static void __exit isd200_exit(void)
+{
+        usb_deregister(&isd200_driver);
+}
+
+module_init(isd200_init);
+module_exit(isd200_exit);
diff --git a/drivers/usb/storage/isd200.h b/drivers/usb/storage/isd200.h
deleted file mode 100644
index 0a35f4fa78f..00000000000
--- a/drivers/usb/storage/isd200.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/* Header File for In-System Design, Inc. ISD200 ASIC
- *
- * First release
- *
- * Current development and maintenance by:
- *   (c) 2000 In-System Design, Inc. (support@in-system.com)
- *
- * See isd200.c for more information.
- *
- * 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.
- */
-
-#ifndef _USB_ISD200_H
-#define _USB_ISD200_H
-
-extern void isd200_ata_command(struct scsi_cmnd *srb, struct us_data *us);
-extern int isd200_Initialization(struct us_data *us);
-
-#endif
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 1fe7062f1cd..83ce1d33554 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -632,14 +632,6 @@ UNUSUAL_DEV(  0x054c, 0x0025, 0x0100, 0x0100,
                 US_SC_DEVICE, US_PR_DEVICE, NULL,
                 US_FL_SINGLE_LUN ),
 
-#ifdef CONFIG_USB_STORAGE_ISD200
-UNUSUAL_DEV(  0x054c, 0x002b, 0x0100, 0x0110,
-                "Sony",
-                "Portable USB Harddrive V2",
-                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
-                0 ),
-#endif
-
 /* Submitted by Olaf Hering, <olh@suse.de> SuSE Bugzilla #49049 */
 UNUSUAL_DEV(  0x054c, 0x002c, 0x0501, 0x2000,
                 "Sony",
@@ -785,32 +777,6 @@ UNUSUAL_DEV(  0x05ab, 0x0060, 0x1104, 0x1110,
                 US_SC_SCSI, US_PR_BULK, NULL,
                 US_FL_NEED_OVERRIDE ),
 
-#ifdef CONFIG_USB_STORAGE_ISD200
-UNUSUAL_DEV(  0x05ab, 0x0031, 0x0100, 0x0110,
-                "In-System",
-                "USB/IDE Bridge (ATA/ATAPI)",
-                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
-                0 ),
-
-UNUSUAL_DEV(  0x05ab, 0x0301, 0x0100, 0x0110,
-                "In-System",
-                "Portable USB Harddrive V2",
-                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
-                0 ),
-
-UNUSUAL_DEV(  0x05ab, 0x0351, 0x0100, 0x0110,
-                "In-System",
-                "Portable USB Harddrive V2",
-                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
-                0 ),
-
-UNUSUAL_DEV(  0x05ab, 0x5701, 0x0100, 0x0110,
-                "In-System",
-                "USB Storage Adapter V2",
-                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
-                0 ),
-#endif
-
 /* Submitted by Sven Anderson <sven-linux@anderson.de>
  * There are at least four ProductIDs used for iPods, so I added 0x1202 and
  * 0x1204. They just need the US_FL_FIX_CAPACITY. As the bcdDevice appears
@@ -1375,14 +1341,6 @@ UNUSUAL_DEV( 0x0bc2, 0x3010, 0x0000, 0x0000,
                 US_SC_DEVICE, US_PR_DEVICE, NULL,
                 US_FL_SANE_SENSE ),
 
-#ifdef CONFIG_USB_STORAGE_ISD200
-UNUSUAL_DEV(  0x0bf6, 0xa001, 0x0100, 0x0110,
-                "ATI",
-                "USB Cable 205",
-                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
-                0 ),
-#endif
-
 #ifdef CONFIG_USB_STORAGE_DATAFAB
 UNUSUAL_DEV( 0x0c0b, 0xa109, 0x0000, 0xffff,
                 "Acomdata",
diff --git a/drivers/usb/storage/unusual_isd200.h b/drivers/usb/storage/unusual_isd200.h
new file mode 100644
index 00000000000..0d99dde3382
--- /dev/null
+++ b/drivers/usb/storage/unusual_isd200.h
@@ -0,0 +1,57 @@
+/* Unusual Devices File for In-System Design, Inc. ISD200 ASIC
+ *
+ * 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.
+ */
+
+#if defined(CONFIG_USB_STORAGE_ISD200) || \
+                defined(CONFIG_USB_STORAGE_ISD200_MODULE)
+
+UNUSUAL_DEV(  0x054c, 0x002b, 0x0100, 0x0110,
+                "Sony",
+                "Portable USB Harddrive V2",
+                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
+                0),
+
+UNUSUAL_DEV(  0x05ab, 0x0031, 0x0100, 0x0110,
+                "In-System",
+                "USB/IDE Bridge (ATA/ATAPI)",
+                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
+                0),
+
+UNUSUAL_DEV(  0x05ab, 0x0301, 0x0100, 0x0110,
+                "In-System",
+                "Portable USB Harddrive V2",
+                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
+                0),
+
+UNUSUAL_DEV(  0x05ab, 0x0351, 0x0100, 0x0110,
+                "In-System",
+                "Portable USB Harddrive V2",
+                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
+                0),
+
+UNUSUAL_DEV(  0x05ab, 0x5701, 0x0100, 0x0110,
+                "In-System",
+                "USB Storage Adapter V2",
+                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
+                0),
+
+UNUSUAL_DEV(  0x0bf6, 0xa001, 0x0100, 0x0110,
+                "ATI",
+                "USB Cable 205",
+                US_SC_ISD200, US_PR_BULK, isd200_Initialization,
+                0),
+
+#endif /* defined(CONFIG_USB_STORAGE_ISD200) || ... */
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 33cce41a5e8..e65cbba452b 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -75,9 +75,6 @@
 #ifdef CONFIG_USB_STORAGE_FREECOM
 #include "freecom.h"
 #endif
-#ifdef CONFIG_USB_STORAGE_ISD200
-#include "isd200.h"
-#endif
 #ifdef CONFIG_USB_STORAGE_DATAFAB
 #include "datafab.h"
 #endif
@@ -721,13 +718,6 @@ static void get_protocol(struct us_data *us)
                 us->proto_handler = usb_stor_ufi_command;
                 break;
 
-#ifdef CONFIG_USB_STORAGE_ISD200
-        case US_SC_ISD200:
-                us->protocol_name = "ISD200 ATA/ATAPI";
-                us->proto_handler = isd200_ata_command;
-                break;
-#endif
-
 #ifdef CONFIG_USB_STORAGE_CYPRESS_ATACB
         case US_SC_CYP_ATACB:
                 us->protocol_name = "Transparent SCSI with Cypress ATACB";
diff --git a/drivers/usb/storage/usual-tables.c b/drivers/usb/storage/usual-tables.c
index f808c5262d0..61ebddcc9ae 100644
--- a/drivers/usb/storage/usual-tables.c
+++ b/drivers/usb/storage/usual-tables.c
@@ -77,6 +77,7 @@ struct ignore_entry {
 }
 
 static struct ignore_entry ignore_ids[] = {
+#       include "unusual_isd200.h"
 #       include "unusual_sddr09.h"
         { }             /* Terminating entry */
 };