blob: 6701dafbc0da82deca9579837464c94e3db426e0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Video4Linux bw-qcam driver
3 *
4 * Derived from code..
5 */
6
7/******************************************************************
8
9Copyright (C) 1996 by Scott Laird
10
11Permission is hereby granted, free of charge, to any person obtaining
12a copy of this software and associated documentation files (the
13"Software"), to deal in the Software without restriction, including
14without limitation the rights to use, copy, modify, merge, publish,
15distribute, sublicense, and/or sell copies of the Software, and to
16permit persons to whom the Software is furnished to do so, subject to
17the following conditions:
18
19The above copyright notice and this permission notice shall be
20included in all copies or substantial portions of the Software.
21
22THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25IN NO EVENT SHALL SCOTT LAIRD BE LIABLE FOR ANY CLAIM, DAMAGES OR
26OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
27ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28OTHER DEALINGS IN THE SOFTWARE.
29
30******************************************************************/
31
32/* One from column A... */
33#define QC_NOTSET 0
34#define QC_UNIDIR 1
35#define QC_BIDIR 2
36#define QC_SERIAL 3
37
38/* ... and one from column B */
39#define QC_ANY 0x00
40#define QC_FORCE_UNIDIR 0x10
41#define QC_FORCE_BIDIR 0x20
42#define QC_FORCE_SERIAL 0x30
43/* in the port_mode member */
44
45#define QC_MODE_MASK 0x07
46#define QC_FORCE_MASK 0x70
47
48#define MAX_HEIGHT 243
49#define MAX_WIDTH 336
50
51/* Bit fields for status flags */
52#define QC_PARAM_CHANGE 0x01 /* Camera status change has occurred */
53
54struct qcam_device {
55 struct video_device vdev;
56 struct pardevice *pdev;
57 struct parport *pport;
Ingo Molnar3593cab2006-02-07 06:49:14 -020058 struct mutex lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -070059 int width, height;
60 int bpp;
61 int mode;
62 int contrast, brightness, whitebal;
63 int port_mode;
64 int transfer_scale;
65 int top, left;
66 int status;
67 unsigned int saved_bits;
68};