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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 information in this file is private and shared between various
* parts of the QuickCam(TM) driver.
*/
#ifndef _QCAM_DEFS_H
#define _QCAM_DEFS_H 1
extern int qcam_debug;
struct qcam_softc {
#if defined(bsdi) && defined(KERNEL)
/* must be first in structure */
struct device sc_dev; /* kernel configuration */
#endif /* bsdi KERNEL */
u_char *buffer; /* frame buffer */
u_char *buffer_end; /* end of frame buffer */
u_int flags;
u_int iobase;
int unit; /* device */
void (*scanner)(struct qcam_softc *);
int init_req; /* initialization required */
int x_size; /* pixels */
int y_size; /* pixels */
int x_origin; /* ?? units */
int y_origin; /* ?? units */
int zoom; /* 0=none, 1=1.5x, 2=2x */
int bpp; /* 4 or 6 */
int exposure; /* time to open shutter */
u_char xferparms; /* calcualted transfer params */
u_char contrast;
u_char brightness;
u_char whitebalance;
#if defined(__FreeBSD__) && defined(KERNEL)
#ifdef DEVFS
void *devfs_token; /* device filesystem handle */
#endif /* DEVFS */
#endif /* __FreeBSD__ KERNEL */
};
/* flags in softc */
#define QC_OPEN 0x01 /* device open */
#define QC_ALIVE 0x02 /* probed and attached */
#define QC_BIDIR_HW 0x04 /* bidir parallel port */
#define QC_FORCEUNI 0x08 /* ...but force unidir mode */
#define QC_MAXFRAMEBUFSIZE (QC_MAX_XSIZE*QC_MAX_YSIZE)
#ifdef __linux__ /* Linux is backwards from *BSD */
#define read_data(P) inb((P))
#define read_data_word(P) inw((P))
#define read_status(P) inb((P)+1)
#define write_data(P, V) outb((V), (P)+0)
#define write_status(P, V) outb((V), (P)+1)
#define write_control(P, V) outb((V), (P)+2)
#define LONGDELAY(n) tsleep((n)/1000)
#else /* FreeBSD/NetBSD/BSDI */
#define read_data(P) inb((P))
#define read_data_word(P) inw((P))
#define read_status(P) inb((P)+1)
#define write_data(P, V) outb((P)+0, (V))
#define write_status(P, V) outb((P)+1, (V))
#define write_control(P, V) outb((P)+2, (V))
#define LONGDELAY(n) DELAY(n)
#ifndef KERNEL
#define DELAY(n) usleep(n)
#endif
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#endif
#define QC_TIMEOUT_INIT 60000 /* timeout for first
read of scan */
#define QC_TIMEOUT_CMD 5000 /* timeout for control cmds */
#define QC_TIMEOUT 400 /* timeout on scan reads */
/* This value could be OS
dependant */
#define QC_DEF_EXPOSURE 200 /* default exposure */
extern int qcam_detect __P((u_int port));
extern void qcam_reset __P((struct qcam_softc *qs));
extern int qcam_scan __P((struct qcam_softc *qs));
extern void qcam_default __P((struct qcam_softc *qs));
extern int qcam_ioctl_get __P((struct qcam_softc *qs,
struct qcam *info));
extern int qcam_ioctl_set __P((struct qcam_softc *qs,
struct qcam *info));
#endif /* _QCAM_DEFS_H */
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