/* * 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; int fragment; 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