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microtek.h
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1  /*
2  * Driver for Microtek Scanmaker X6 USB scanner and possibly others.
3  *
4  * (C) Copyright 2000 John Fremlin <[email protected]>
5  * (C) Copyright 2000 Oliver Neukum <[email protected]>
6  *
7  * See microtek.c for history
8  *
9  */
10 
11 typedef void (*mts_scsi_cmnd_callback)(struct scsi_cmnd *);
12 
13 
14 struct mts_transfer_context
15 {
16  struct mts_desc* instance;
17  mts_scsi_cmnd_callback final_callback;
18  struct scsi_cmnd *srb;
19 
20  void* data;
21  unsigned data_length;
22  int data_pipe;
23  int fragment;
24 
25  u8 *scsi_status; /* status returned from ep_response after command completion */
26 };
27 
28 
29 struct mts_desc {
30  struct mts_desc *next;
31  struct mts_desc *prev;
32 
33  struct usb_device *usb_dev;
34  struct usb_interface *usb_intf;
35 
36  /* Endpoint addresses */
37  u8 ep_out;
38  u8 ep_response;
39  u8 ep_image;
40 
41  struct Scsi_Host * host;
42 
43  struct urb *urb;
44  struct mts_transfer_context context;
45 };
46 
47 
48 #define MTS_EP_OUT 0x1
49 #define MTS_EP_RESPONSE 0x2
50 #define MTS_EP_IMAGE 0x3
51 #define MTS_EP_TOTAL 0x3
52 
53 #define MTS_SCSI_ERR_MASK ~0x3fu
54 
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