Subversion Repositories or1k

 /*

 * 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)(Scsi_Cmnd *);

typedef void (*mts_usb_urb_callback) (struct urb *);

struct mts_transfer_context

{

        struct mts_desc* instance;

        mts_scsi_cmnd_callback final_callback;

        Scsi_Cmnd *srb;

        void* data;

        unsigned data_length;

        int data_pipe;

        int fragment;

        u8 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;

        int interface;

        /* Endpoint addresses */

        u8 ep_out;

        u8 ep_response;

        u8 ep_image;

        struct Scsi_Host * host;

        Scsi_Host_Template ctempl;

        int host_number;

        struct semaphore lock;

        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