| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Driver for Microtek Scanmaker X6 USB scanner and possibly others. |
| 3 | * |
| 4 | * (C) Copyright 2000 John Fremlin <vii@penguinpowered.com> |
| 5 | * (C) Copyright 2000 Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de> |
| 6 | * |
| 7 | * See microtek.c for history |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | typedef void (*mts_scsi_cmnd_callback)(Scsi_Cmnd *); |
| 12 | |
| 13 | |
| 14 | struct mts_transfer_context |
| 15 | { |
| 16 | struct mts_desc* instance; |
| 17 | mts_scsi_cmnd_callback final_callback; |
| 18 | Scsi_Cmnd *srb; |
| 19 | |
| 20 | void* data; |
| 21 | unsigned data_length; |
| 22 | int data_pipe; |
| 23 | int fragment; |
| 24 | |
| 25 | u8 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 | struct semaphore lock; |
| 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 | |