1 | /* $NetBSD: ssvar.h,v 1.19 2012/02/28 11:41:00 mbalmer Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1995 Kenneth Stailey. All rights reserved. |
5 | * modified for configurable scanner support by Joachim Koenig |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * 3. All advertising materials mentioning features or use of this software |
16 | * must display the following acknowledgement: |
17 | * This product includes software developed by Kenneth Stailey. |
18 | * 4. The name of the author may not be used to endorse or promote products |
19 | * derived from this software without specific prior written permission. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
26 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
30 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * SCSI scanner interface description |
35 | */ |
36 | |
37 | /* |
38 | * Special handlers for impractically different scanner types. |
39 | * Register NULL for a function if you want to try the real SCSI code |
40 | * (with quirks table) |
41 | */ |
42 | struct ss_softc; |
43 | struct scan_io; |
44 | |
45 | struct ss_special { |
46 | int (*set_params)(struct ss_softc *, struct scan_io *); |
47 | int (*trigger_scanner)(struct ss_softc *); |
48 | int (*get_params)(struct ss_softc *); |
49 | /* some scanners only send line-multiples */ |
50 | void (*minphys)(struct ss_softc *, struct buf *); |
51 | int (*read)(struct ss_softc *, struct buf *); |
52 | int (*rewind_scanner)(struct ss_softc *); |
53 | int (*load_adf)(struct ss_softc *); |
54 | int (*unload_adf)(struct ss_softc *); |
55 | }; |
56 | |
57 | /* |
58 | * ss_softc has to be declared here, because the device dependent |
59 | * modules include it |
60 | */ |
61 | struct ss_softc { |
62 | device_t sc_dev; |
63 | |
64 | int flags; |
65 | #define SSF_TRIGGERED 0x01 /* read operation has been primed */ |
66 | #define SSF_LOADED 0x02 /* parameters loaded */ |
67 | #define SSF_AUTOCONF 0x04 /* set during auto-configuration */ |
68 | struct scsipi_periph *sc_periph; /* contains our targ, lun, etc. */ |
69 | struct scan_io sio; |
70 | struct bufq_state *buf_queue; /* the queue of pending IO operations */ |
71 | struct callout sc_callout; /* to restart the buf queue */ |
72 | u_int quirks; /* scanner is only mildly twisted */ |
73 | #define SS_Q_GET_BUFFER_SIZE 0x0001 /* poll for available data in ssread()*/ |
74 | /* truncate to byte boundary is assumed by default unless one of these is set */ |
75 | #define SS_Q_PAD_TO_BYTE 0x0002 /* pad monochrome data to byte boundary */ |
76 | #define SS_Q_PAD_TO_WORD 0x0004 /* pad monochrome data to word boundary */ |
77 | #define SS_Q_THRESHOLD_FOLLOWS_BRIGHTNESS 0x0008 |
78 | struct ss_special *special; /* special handlers for spec. devices */ |
79 | }; |
80 | |
81 | void ssrestart(void *); |
82 | |
83 | /* |
84 | * define the special attach routines if configured |
85 | */ |
86 | void mustek_attach(struct ss_softc *, struct scsipibus_attach_args *); |
87 | void scanjet_attach(struct ss_softc *, struct scsipibus_attach_args *); |
88 | |