summaryrefslogtreecommitdiffstats
path: root/drivers/usb/storage/cypress_atacb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/storage/cypress_atacb.c')
-rw-r--r--drivers/usb/storage/cypress_atacb.c88
1 files changed, 87 insertions, 1 deletions
diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c
index 9466a99baab6..19306f7b1dae 100644
--- a/drivers/usb/storage/cypress_atacb.c
+++ b/drivers/usb/storage/cypress_atacb.c
@@ -19,6 +19,7 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/module.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_eh.h>
@@ -29,6 +30,46 @@
#include "scsiglue.h"
#include "debug.h"
+
+/*
+ * 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 cypress_usb_ids[] = {
+# include "unusual_cypress.h"
+ { } /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, cypress_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 cypress_unusual_dev_list[] = {
+# include "unusual_cypress.h"
+ { } /* Terminating entry */
+};
+
+#undef UNUSUAL_DEV
+
+
/*
* ATACB is a protocol used on cypress usb<->ata bridge to
* send raw ATA command over mass storage
@@ -36,7 +77,7 @@
* More info that be found on cy7c68310_8.pdf and cy7c68300c_8.pdf
* datasheet from cypress.com.
*/
-void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us)
+static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us)
{
unsigned char save_cmnd[MAX_COMMAND_SIZE];
@@ -197,3 +238,48 @@ end:
if (srb->cmnd[0] == ATA_12)
srb->cmd_len = 12;
}
+
+
+static int cypress_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 - cypress_usb_ids) + cypress_unusual_dev_list);
+ if (result)
+ return result;
+
+ us->protocol_name = "Transparent SCSI with Cypress ATACB";
+ us->proto_handler = cypress_atacb_passthrough;
+
+ result = usb_stor_probe2(us);
+ return result;
+}
+
+static struct usb_driver cypress_driver = {
+ .name = "ums-cypress",
+ .probe = cypress_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 = cypress_usb_ids,
+ .soft_unbind = 1,
+};
+
+static int __init cypress_init(void)
+{
+ return usb_register(&cypress_driver);
+}
+
+static void __exit cypress_exit(void)
+{
+ usb_deregister(&cypress_driver);
+}
+
+module_init(cypress_init);
+module_exit(cypress_exit);
OpenPOWER on IntegriCloud