scsi_scanner.h revision 1.1 1 /*
2 * Copyright (c) 1995 Kenneth Stailey. All rights reserved.
3 * modified for configurable scanner support by Joachim Koenig
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Kenneth Stailey.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 /*
32 * SCSI scanner interface description
33 */
34
35 #ifndef _SCSI_SCANNER_H_
36 #define _SCSI_SCANNER_H_
37
38 /* SCSI scanner commands */
39 #define GET_IMAGE_STATUS 0x0f
40 #define READ_BIG 0x28
41 #define WRITE_BIG 0x2a
42 #define OBJECT_POSITION 0x31
43 #define GET_BUFFER_STATUS 0x34
44
45 /* generic scanner command formats */
46
47 struct scsi_rw_scanner {
48 #define READ 0x08
49 #define WRITE 0x0a
50 u_char opcode;
51 u_char byte2;
52 #define SRW_FIXED 0x01
53 u_char len[3];
54 u_char control;
55 };
56
57 struct scsi_start_stop {
58 u_char opcode;
59 u_char byte2;
60 u_char unused[2];
61 u_char how;
62 #define SSS_STOP 0x00
63 #define SSS_START 0x01
64 #define SSS_LOEJ 0x02
65 u_char control;
66 };
67
68 struct scsi_set_window {
69 #define SET_WINDOW 0x24 /* set params of image area and windows */
70 #define GET_WINDOW 0x25
71 u_char opcode;
72 u_char byte2;
73 u_char reserved[4];
74 u_char len[3];
75 u_char control;
76 };
77
78 struct scsi_window_header {
79 u_char reserved[6];
80 u_char len[2]; /* MSB-LSB */
81 };
82
83 struct scsi_window_data {
84 u_char window_id; /* must be zero */
85 u_char res1:7;
86 u_char auto_bit:1;
87 u_char x_res[2];
88 u_char y_res[2];
89 u_char x_org[4];
90 u_char y_org[4];
91 u_char width[4];
92 u_char length[4];
93 u_char brightness;
94 u_char threshold;
95 u_char contrast;
96 u_char image_comp; /* image composition (data type) */
97 u_char bits_per_pixel;
98 u_char halftone_pattern[2];
99 u_char rif:1; /* reverse image format (mono negative) */
100 u_char res2:4;
101 u_char pad_type:3;
102 u_char bit_ordering[2];
103 u_char compression_type;
104 u_char compression_arg;
105 u_char res3[6];
106 };
107
108 /* mustek scsi commands */
109
110 #define MUSTEK_SET_WINDOW 0x04 /* set image area and windows */
111 #define MUSTEK_ADF 0x10 /* ADF and backtracking selection */
112 #define MUSTEK_LUT 0x55 /* look up table download */
113
114 #endif /* _SCSI_SCANNER_H_ */
115