1/* SPDX-License-Identifier: GPL-2.0 */
 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
12typedef void (*mts_scsi_cmnd_callback)(struct scsi_cmnd *);
13
14
15struct mts_transfer_context
16{
17	struct mts_desc *instance;
18	mts_scsi_cmnd_callback final_callback;
19	struct scsi_cmnd *srb;
20	
21	void *data;
22	unsigned data_length;
23	int data_pipe;
24	struct scatterlist *curr_sg;
25
26	u8 *scsi_status; /* status returned from ep_response after command completion */
27};
28
29
30struct 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
42	struct Scsi_Host *host;
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

 
 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
11typedef void (*mts_scsi_cmnd_callback)(struct scsi_cmnd *);
12
13
14struct 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
29struct 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