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/*
* Connectix QuickCam parallel-port camera video capture driver.
* Copyright (c) 1996, Paul Traina.
*
* This driver is based in part on work
* Copyright (c) 1996, Thomas Davis.
*
* QuickCam(TM) is a registered trademark of Connectix Inc.
* Use this driver at your own risk, it is not warranted by
* Connectix or the authors.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The following information is hardware dependant. It should not be used
* by user applications, see machine/qcam.h for the applications interface.
*/
#ifndef _QCAMREG_H
#define _QCAMREG_H
/*
* Camera autodetection parameters
*/
#define QC_PROBELIMIT 30 /* number of times to probe */
#define QC_PROBECNTLOW 5 /* minimum transitions */
#define QC_PROBECNTHI 25 /* maximum transitions */
/*
* QuickCam camera commands
*/
#define QC_BRIGHTNESS 0x0b
#define QC_CONTRAST 0x19
#define QC_WHITEBALANCE 0x1f
#define QC_XFERMODE 0x07
#define QC_XSIZE 0x13
#define QC_YSIZE 0x11
#define QC_YORG 0x0d
#define QC_XORG 0x0f
/*
* XFERmode register flags
*/
#define QC_XFER_BIDIR 0x01 /* bidirectional transfer */
#define QC_XFER_6BPP 0x02 /* 6 bits per pixel */
#define QC_XFER_WIDE 0x00 /* wide angle */
#define QC_XFER_NARROW 0x04 /* narrow */
#define QC_XFER_TIGHT 0x08 /* very narrow */
/*
* QuickCam default values (don't depend on these staying the same)
*/
#define QC_DEF_XSIZE 160
#define QC_DEF_YSIZE 120
#define QC_DEF_XORG 7
#define QC_DEF_YORG 1
#define QC_DEF_BPP 6
#define QC_DEF_CONTRAST 180
#define QC_DEF_BRIGHTNESS 180
#define QC_DEF_WHITEBALANCE 150
#define QC_DEF_ZOOM QC_ZOOM_100
/*
* QuickCam parallel port handshake constants
*/
#define QC_CTL_HIGHNIB 0x06
#define QC_CTL_LOWNIB 0x0e
#define QC_CTL_HIGHWORD 0x26
#define QC_CTL_LOWWORD 0x2f
#endif /* _QCAMREG_H */
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