bw-qcam.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:2k
- /*
- * Video4Linux bw-qcam driver
- *
- * Derived from code..
- */
- /******************************************************************
- Copyright (C) 1996 by Scott Laird
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- IN NO EVENT SHALL SCOTT LAIRD BE LIABLE FOR ANY CLAIM, DAMAGES OR
- OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- OTHER DEALINGS IN THE SOFTWARE.
- ******************************************************************/
- /* One from column A... */
- #define QC_NOTSET 0
- #define QC_UNIDIR 1
- #define QC_BIDIR 2
- #define QC_SERIAL 3
- /* ... and one from column B */
- #define QC_ANY 0x00
- #define QC_FORCE_UNIDIR 0x10
- #define QC_FORCE_BIDIR 0x20
- #define QC_FORCE_SERIAL 0x30
- /* in the port_mode member */
- #define QC_MODE_MASK 0x07
- #define QC_FORCE_MASK 0x70
- #define MAX_HEIGHT 243
- #define MAX_WIDTH 336
- /* Bit fields for status flags */
- #define QC_PARAM_CHANGE 0x01 /* Camera status change has occurred */
- struct qcam_device {
- struct video_device vdev;
- struct pardevice *pdev;
- struct parport *pport;
- struct semaphore lock;
- int width, height;
- int bpp;
- int mode;
- int contrast, brightness, whitebal;
- int port_mode;
- int transfer_scale;
- int top, left;
- int status;
- unsigned int saved_bits;
- };