summaryrefslogtreecommitdiffstats
path: root/drivers/usb/image/microtek.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/usb/image/microtek.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/usb/image/microtek.h b/drivers/usb/image/microtek.h
new file mode 100644
index 000000000..7bd5f4639
--- /dev/null
+++ b/drivers/usb/image/microtek.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+ /*
+ * Driver for Microtek Scanmaker X6 USB scanner and possibly others.
+ *
+ * (C) Copyright 2000 John Fremlin <vii@penguinpowered.com>
+ * (C) Copyright 2000 Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>
+ *
+ * See microtek.c for history
+ *
+ */
+
+typedef void (*mts_scsi_cmnd_callback)(struct scsi_cmnd *);
+
+
+struct mts_transfer_context
+{
+ struct mts_desc *instance;
+ mts_scsi_cmnd_callback final_callback;
+ struct scsi_cmnd *srb;
+
+ void *data;
+ unsigned data_length;
+ int data_pipe;
+ struct scatterlist *curr_sg;
+
+ u8 *scsi_status; /* status returned from ep_response after command completion */
+};
+
+
+struct mts_desc {
+ struct mts_desc *next;
+ struct mts_desc *prev;
+
+ struct usb_device *usb_dev;
+ struct usb_interface *usb_intf;
+
+ /* Endpoint addresses */
+ u8 ep_out;
+ u8 ep_response;
+ u8 ep_image;
+
+ struct Scsi_Host *host;
+
+ struct urb *urb;
+ struct mts_transfer_context context;
+};
+
+
+#define MTS_EP_OUT 0x1
+#define MTS_EP_RESPONSE 0x2
+#define MTS_EP_IMAGE 0x3
+#define MTS_EP_TOTAL 0x3
+
+#define MTS_SCSI_ERR_MASK ~0x3fu
+