2 * Video4Linux bw-qcam driver
7 /******************************************************************
9 Copyright (C) 1996 by Scott Laird
11 Permission is hereby granted, free of charge, to any person obtaining
12 a copy of this software and associated documentation files (the
13 "Software"), to deal in the Software without restriction, including
14 without limitation the rights to use, copy, modify, merge, publish,
15 distribute, sublicense, and/or sell copies of the Software, and to
16 permit persons to whom the Software is furnished to do so, subject to
17 the following conditions:
19 The above copyright notice and this permission notice shall be
20 included in all copies or substantial portions of the Software.
22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25 IN NO EVENT SHALL SCOTT LAIRD BE LIABLE FOR ANY CLAIM, DAMAGES OR
26 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
27 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 OTHER DEALINGS IN THE SOFTWARE.
30 ******************************************************************/
32 /* One from column A... */
38 /* ... and one from column B */
40 #define QC_FORCE_UNIDIR 0x10
41 #define QC_FORCE_BIDIR 0x20
42 #define QC_FORCE_SERIAL 0x30
43 /* in the port_mode member */
45 #define QC_MODE_MASK 0x07
46 #define QC_FORCE_MASK 0x70
48 #define MAX_HEIGHT 243
51 /* Bit fields for status flags */
52 #define QC_PARAM_CHANGE 0x01 /* Camera status change has occurred */
55 struct video_device vdev;
56 struct pardevice *pdev;
57 struct parport *pport;
58 struct semaphore lock;
62 int contrast, brightness, whitebal;
67 unsigned int saved_bits;