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authorAlan Stern <stern@rowland.harvard.edu>2009-02-12 14:48:15 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-03-24 16:20:34 -0700
commit2cbbf3576aa9eae9a92f2669f38a453b6cb8e956 (patch)
tree7314fb7b9aad8d02c8d3ff04de1f249c831fc479 /drivers/usb/storage/datafab.c
parent0d62939fab3cf28a23ac6934cec599793d3a1d9d (diff)
usb-storage: make datafab a separate module
This patch (as1213) converts usb-storage's datafab subdriver into a separate module. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/storage/datafab.c')
-rw-r--r--drivers/usb/storage/datafab.c100
1 files changed, 98 insertions, 2 deletions
diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c
index 17f1ae232919..2d8d83519090 100644
--- a/drivers/usb/storage/datafab.c
+++ b/drivers/usb/storage/datafab.c
@@ -49,6 +49,7 @@
*/
#include <linux/errno.h>
+#include <linux/module.h>
#include <linux/slab.h>
#include <scsi/scsi.h>
@@ -58,12 +59,61 @@
#include "transport.h"
#include "protocol.h"
#include "debug.h"
-#include "datafab.h"
+
+struct datafab_info {
+ unsigned long sectors; /* total sector count */
+ unsigned long ssize; /* sector size in bytes */
+ signed char lun; /* used for dual-slot readers */
+
+ /* the following aren't used yet */
+ unsigned char sense_key;
+ unsigned long sense_asc; /* additional sense code */
+ unsigned long sense_ascq; /* additional sense code qualifier */
+};
static int datafab_determine_lun(struct us_data *us,
struct datafab_info *info);
+/*
+ * 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 datafab_usb_ids[] = {
+# include "unusual_datafab.h"
+ { } /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, datafab_usb_ids);
+
+#undef UNUSUAL_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 datafab_unusual_dev_list[] = {
+# include "unusual_datafab.h"
+ { } /* Terminating entry */
+};
+
+#undef UNUSUAL_DEV
+
+
static inline int
datafab_bulk_read(struct us_data *us, unsigned char *data, unsigned int len) {
if (len == 0)
@@ -500,7 +550,7 @@ static void datafab_info_destructor(void *extra)
// Transport for the Datafab MDCFE-B
//
-int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
+static int datafab_transport(struct scsi_cmnd *srb, struct us_data *us)
{
struct datafab_info *info;
int rc;
@@ -665,3 +715,49 @@ int datafab_transport(struct scsi_cmnd * srb, struct us_data *us)
info->sense_ascq = 0x00;
return USB_STOR_TRANSPORT_FAILED;
}
+
+static int datafab_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 - datafab_usb_ids) + datafab_unusual_dev_list);
+ if (result)
+ return result;
+
+ us->transport_name = "Datafab Bulk-Only";
+ us->transport = datafab_transport;
+ us->transport_reset = usb_stor_Bulk_reset;
+ us->max_lun = 1;
+
+ result = usb_stor_probe2(us);
+ return result;
+}
+
+static struct usb_driver datafab_driver = {
+ .name = "ums-datafab",
+ .probe = datafab_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 = datafab_usb_ids,
+ .soft_unbind = 1,
+};
+
+static int __init datafab_init(void)
+{
+ return usb_register(&datafab_driver);
+}
+
+static void __exit datafab_exit(void)
+{
+ usb_deregister(&datafab_driver);
+}
+
+module_init(datafab_init);
+module_exit(datafab_exit);