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