1 /* $OpenBSD: ssvar.h,v 1.11 2006/11/28 16:56:50 dlg Exp $ */
2 /* $NetBSD: ssvar.h,v 1.2 1996/03/30 21:47:11 christos Exp $ */
3
4 /*
5 * Copyright (c) 1995 Kenneth Stailey. All rights reserved.
6 * modified for configurable scanner support by Joachim Koenig
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Kenneth Stailey.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * SCSI scanner interface description
36 */
37
38 /*
39 * Special handlers for impractically different scanner types.
40 * Register NULL for a function if you want to try the real SCSI code
41 * (with quirks table)
42 */
43 struct ss_softc;
44 struct scan_io;
45
46 struct ss_special {
47 int (*set_params)(struct ss_softc *, struct scan_io *);
48 int (*trigger_scanner)(struct ss_softc *);
49 int (*get_params)(struct ss_softc *);
50 /* some scanners only send line-multiples */
51 void (*minphys)(struct ss_softc *, struct buf *);
52 int (*read)(struct ss_softc *, struct buf *);
53 int (*rewind_scanner)(struct ss_softc *);
54 int (*load_adf)(struct ss_softc *);
55 int (*unload_adf)(struct ss_softc *);
56 };
57
58 /*
59 * ss_softc has to be declared here, because the device dependant
60 * modules include it
61 */
62 struct ss_softc {
63 struct device sc_dev;
64
65 int flags;
66 #define SSF_TRIGGERED 0x01 /* read operation has been primed */
67 #define SSF_LOADED 0x02 /* parameters loaded */
68 struct scsi_link *sc_link; /* contains our targ, lun, etc. */
69 struct scan_io sio;
70 struct buf buf_queue; /* the queue of pending IO operations */
71 const struct quirkdata *quirkdata; /* if we have a rogue entry */
72 struct ss_special special; /* special handlers for spec. devices */
73 };
74
75 /*
76 * define the special attach routines if configured
77 */
78 void mustek_attach(struct ss_softc *, struct scsi_attach_args *);
79 void scanjet_attach(struct ss_softc *, struct scsi_attach_args *);