mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
136 lines
4.5 KiB
C
136 lines
4.5 KiB
C
/*
|
|
* 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 */
|