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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * Driver for Microtek Scanmaker X6 USB scanner and possibly others. | |
4 | * | |
5 | * (C) Copyright 2000 John Fremlin <vii@penguinpowered.com> | |
6 | * (C) Copyright 2000 Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de> | |
7 | * | |
8 | * See microtek.c for history | |
9 | * | |
10 | */ | |
11 | ||
0eebe6ac | 12 | typedef void (*mts_scsi_cmnd_callback)(struct scsi_cmnd *); |
1da177e4 LT |
13 | |
14 | ||
15 | struct mts_transfer_context | |
16 | { | |
600bb216 | 17 | struct mts_desc *instance; |
1da177e4 | 18 | mts_scsi_cmnd_callback final_callback; |
0eebe6ac | 19 | struct scsi_cmnd *srb; |
1da177e4 | 20 | |
600bb216 | 21 | void *data; |
1da177e4 LT |
22 | unsigned data_length; |
23 | int data_pipe; | |
24 | int fragment; | |
25 | ||
9142d59a | 26 | u8 *scsi_status; /* status returned from ep_response after command completion */ |
1da177e4 LT |
27 | }; |
28 | ||
29 | ||
30 | struct mts_desc { | |
31 | struct mts_desc *next; | |
32 | struct mts_desc *prev; | |
33 | ||
34 | struct usb_device *usb_dev; | |
35 | struct usb_interface *usb_intf; | |
36 | ||
37 | /* Endpoint addresses */ | |
38 | u8 ep_out; | |
39 | u8 ep_response; | |
40 | u8 ep_image; | |
41 | ||
600bb216 | 42 | struct Scsi_Host *host; |
1da177e4 LT |
43 | |
44 | struct urb *urb; | |
45 | struct mts_transfer_context context; | |
46 | }; | |
47 | ||
48 | ||
49 | #define MTS_EP_OUT 0x1 | |
50 | #define MTS_EP_RESPONSE 0x2 | |
51 | #define MTS_EP_IMAGE 0x3 | |
52 | #define MTS_EP_TOTAL 0x3 | |
53 | ||
54 | #define MTS_SCSI_ERR_MASK ~0x3fu | |
55 |