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kernel/linux-imx6_3.14.28/drivers/usb/image/microtek.h 1015 Bytes
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   /*
   * 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