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Remove the 'qcam' driver. Development has ceased, and the driver is

Browse source 
nonfunctional.
Submitted by:	pst (conversation some time ago)
This commit is contained in:
Mike Smith 1998-02-18 13:43:59 +00:00
parent 2df8bcb8a9
commit 1f98b2eb0f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=33568
12 changed files with 9 additions and 1316 deletions
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3
sys/conf/NOTES
View file

@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
# $Id: LINT,v 1.407 1998/02/13 13:00:01 phk Exp $
# $Id: LINT,v 1.408 1998/02/16 23:57:35 eivind Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@ -1201,7 +1201,6 @@ controller matcd0 at isa? port 0x230 bio
device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
device ctx0 at isa? port 0x230 iomem 0xd0000
device spigot0 at isa? port 0xad6 irq 15 iomem 0xee000 vector spigintr
device qcam0 at isa? port "IO_LPT3" tty
device apm0 at isa?
device gp0 at isa? port 0x2c0 tty
device gsc0 at isa? port "IO_GSC1" tty drq 3

4
sys/conf/files.i386
View file

@ -1,7 +1,7 @@
# This file tells config what files go into building a kernel,
# files marked standard are always included.
#
# $Id: files.i386,v 1.189 1998/02/15 14:42:31 peter Exp $
# $Id: files.i386,v 1.190 1998/02/17 11:32:33 sos Exp $
#
# The long compile-with and dependency lines are required because of
# limitations in config: backslash-newline doesn't work in strings, and
@ -152,8 +152,6 @@ i386/isa/pnp.c optional pnp device-driver
i386/isa/prof_machdep.c optional profiling-routine
i386/isa/ppc.c optional ppc device-driver
i386/isa/psm.c optional psm device-driver
i386/isa/qcam.c optional qcam device-driver
i386/isa/qcamio.c optional qcam device-driver
i386/isa/random_machdep.c standard
i386/isa/rc.c optional rc device-driver
i386/isa/rp.c optional rp device-driver

4
sys/conf/majors
View file

@ -1,4 +1,4 @@
$Id: majors.i386,v 1.28 1998/02/17 10:44:23 sos Exp $
$Id: majors.i386,v 1.29 1998/02/17 10:52:56 jkh Exp $
Hopefully, this list will one day be obsoleted by DEVFS, but for now
this is the current allocation of device major numbers.
@ -113,7 +113,7 @@ chrdev name comments
70 od SCSI "magneto-optical disk type"
71 asc AmiScan driver
72 stl Stallion (cd1400 based) (gerg@stallion.oz.au)
73 qcam quickcam
73 ?? was qcam
74 ccd concatenated disk
75 stli Stallion (intelligent cdk based) (gerg@stallion.oz.au)
76 scc IBM Smart Capture Card (ohashi@mickey.ai.kyutech.ac.jp)

3
sys/i386/conf/LINT
View file

@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
# $Id: LINT,v 1.407 1998/02/13 13:00:01 phk Exp $
# $Id: LINT,v 1.408 1998/02/16 23:57:35 eivind Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@ -1201,7 +1201,6 @@ controller matcd0 at isa? port 0x230 bio
device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
device ctx0 at isa? port 0x230 iomem 0xd0000
device spigot0 at isa? port 0xad6 irq 15 iomem 0xee000 vector spigintr
device qcam0 at isa? port "IO_LPT3" tty
device apm0 at isa?
device gp0 at isa? port 0x2c0 tty
device gsc0 at isa? port "IO_GSC1" tty drq 3

3
sys/i386/conf/NOTES
View file

@ -2,7 +2,7 @@
# LINT -- config file for checking all the sources, tries to pull in
# as much of the source tree as it can.
#
# $Id: LINT,v 1.407 1998/02/13 13:00:01 phk Exp $
# $Id: LINT,v 1.408 1998/02/16 23:57:35 eivind Exp $
#
# NB: You probably don't want to try running a kernel built from this
# file. Instead, you should start from GENERIC, and add options from
@ -1201,7 +1201,6 @@ controller matcd0 at isa? port 0x230 bio
device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
device ctx0 at isa? port 0x230 iomem 0xd0000
device spigot0 at isa? port 0xad6 irq 15 iomem 0xee000 vector spigintr
device qcam0 at isa? port "IO_LPT3" tty
device apm0 at isa?
device gp0 at isa? port 0x2c0 tty
device gsc0 at isa? port "IO_GSC1" tty drq 3

4
sys/i386/conf/files.i386
View file

@ -1,7 +1,7 @@
# This file tells config what files go into building a kernel,
# files marked standard are always included.
#
# $Id: files.i386,v 1.189 1998/02/15 14:42:31 peter Exp $
# $Id: files.i386,v 1.190 1998/02/17 11:32:33 sos Exp $
#
# The long compile-with and dependency lines are required because of
# limitations in config: backslash-newline doesn't work in strings, and
@ -152,8 +152,6 @@ i386/isa/pnp.c optional pnp device-driver
i386/isa/prof_machdep.c optional profiling-routine
i386/isa/ppc.c optional ppc device-driver
i386/isa/psm.c optional psm device-driver
i386/isa/qcam.c optional qcam device-driver
i386/isa/qcamio.c optional qcam device-driver
i386/isa/random_machdep.c standard
i386/isa/rc.c optional rc device-driver
i386/isa/rp.c optional rp device-driver

4
sys/i386/conf/majors.i386
View file

@ -1,4 +1,4 @@
$Id: majors.i386,v 1.28 1998/02/17 10:44:23 sos Exp $
$Id: majors.i386,v 1.29 1998/02/17 10:52:56 jkh Exp $
Hopefully, this list will one day be obsoleted by DEVFS, but for now
this is the current allocation of device major numbers.
@ -113,7 +113,7 @@ chrdev name comments
70 od SCSI "magneto-optical disk type"
71 asc AmiScan driver
72 stl Stallion (cd1400 based) (gerg@stallion.oz.au)
73 qcam quickcam
73 ?? was qcam
74 ccd concatenated disk
75 stli Stallion (intelligent cdk based) (gerg@stallion.oz.au)
76 scc IBM Smart Capture Card (ohashi@mickey.ai.kyutech.ac.jp)

92
sys/i386/include/qcam.h
View file

@ -1,92 +0,0 @@
/*
* 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.
*
* NOTE: this file contains the sole public interface between the driver
* and user applications. Every effort should be made to retain comaptibility
* with the decided upon standard interface shared between Linux and
* FreeBSD. Currently, FreeBSD uses a different (richer) interface than
* the Linux.
*
* WARNING WARNING: The contents of this structure is in flux,
* recompile often, the driver will change the version
* number when the interface changes for now...
*/
#ifndef _MACHINE_QUICKCAM_H_
#define _MACHINE_QUICKCAM_H_
#ifndef KERNEL
#include <sys/types.h>
#endif
#include <sys/ioccom.h>
#ifndef _IOR
/* SCO doesn't have _IOR/_IOW for ioctls, so fake it out to keep things clean*/
#define _IOR(cat, func, data) (((cat) << 8) | (func))
#define _IOW(cat, func, data) (((cat) << 8) | (func))
#endif
/*
* ioctls
*/
#define QC_GET _IOR('S', 1, struct qcam) /* get parameter structure */
#define QC_SET _IOW('S', 2, struct qcam) /* set parameter structure */
#define QC_IOCTL_VERSION 3 /* version of the structure */
struct qcam {
int qc_version; /* version of qcam structure */
int qc_xsize; /* size in pixels */
int qc_ysize; /* size in pixels */
int qc_xorigin; /* x origin */
int qc_yorigin; /* y origin */
int qc_bpp; /* bits per pixel (4 or 6) */
int qc_zoom; /* zoom mode */
int qc_exposure; /* length of exposure */
u_char qc_brightness; /* 0..255 */
u_char qc_whitebalance; /* 0..255 */
u_char qc_contrast; /* 0..255 */
};
#define QC_MAX_XSIZE 320 /* pixels */
#define QC_MAX_YSIZE 240 /* pixels */
/*
* zoom flags
*/
#define QC_ZOOM_100 0x00 /* no zoom */
#define QC_ZOOM_150 0x01 /* 1.5x */
#define QC_ZOOM_200 0x02 /* 2.0x */
#endif /* !_MACHINE_QUICKCAM_H_ */

320
sys/i386/isa/qcam.c
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@ -1,320 +0,0 @@
/*
* 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.
*/
#include "qcam.h"
#if NQCAM > 0
#include "opt_devfs.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/uio.h>
#include <sys/malloc.h>
#ifdef DEVFS
#include <sys/devfsext.h>
#endif /* DEVFS */
#include <machine/clock.h>
#include <machine/qcam.h>
#include <i386/isa/qcamdefs.h>
#include <i386/isa/isa.h>
#include <i386/isa/isa_device.h>
/* working off of nostrategy is very ugly, but we need to determine if we're
running in a kernel that has eliminated the cdevsw table (yea!) */
#if defined(__FreeBSD__) && defined(nostrategy)
#define CDEV_MAJOR 73
#define STATIC_CDEVSW static
static d_open_t qcam_open;
static d_close_t qcam_close;
static d_read_t qcam_read;
static d_ioctl_t qcam_ioctl;
static struct cdevsw qcam_cdevsw =
{ qcam_open, qcam_close, qcam_read, nowrite,
qcam_ioctl, nostop, nullreset, nodevtotty,
seltrue, nommap, nostrategy, "qcam",
NULL, -1 };
static int qcam_probe(struct isa_device *devp);
static int qcam_attach(struct isa_device *devp);
struct isa_driver qcamdriver =
{qcam_probe, qcam_attach, "qcam"};
/*
* Initialize the dynamic cdevsw hooks.
*/
static void
qcam_drvinit (void *unused)
{
static int qcam_devsw_installed = 0;
dev_t dev;
if (!qcam_devsw_installed) {
dev = makedev(CDEV_MAJOR, 0);
cdevsw_add(&dev,&qcam_cdevsw, NULL);
qcam_devsw_installed++;
}
}
SYSINIT(qcamdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,qcam_drvinit,NULL)
#endif /* new FreeBSD configuration system */
#ifndef STATIC_CDEVSW
#define STATIC_CDEVSW
#endif
int qcam_debug = 0;
static struct qcam_softc qcam_softc[NQCAM];
#define QC_CONF_NODETECT 0x01 /* always assume camera is present */
#define QC_CONF_FORCEUNI 0x02 /* force unidirectional transfers */
#define UNIT(dev) minor(dev)
static int
qcam_probe (struct isa_device *devp)
{
switch (devp->id_iobase) { /* don't probe weird ports */
case IO_LPT1:
case IO_LPT2:
case IO_LPT3:
break;
default:
printf("qcam%d: ignoring non-standard port 0x%x\n",
devp->id_unit, devp->id_iobase);
return 0;
}
/*
* XXX The probe code is reported to be flakey.
* We need to work on this some more, so temporarily,
* allow bit one of the "flags" parameter to bypass this
* check.
*/
if (!(devp->id_flags & QC_CONF_NODETECT))
if (!qcam_detect(devp->id_iobase))
return 0; /* failure */
return 1; /* found */
}
static int
qcam_attach (struct isa_device *devp)
{
struct qcam_softc *qs = &qcam_softc[devp->id_unit];
qs->iobase = devp->id_iobase;
qs->unit = devp->id_unit;
qs->flags |= QC_ALIVE;
/* force unidirectional parallel port mode? */
if (devp->id_flags & QC_CONF_FORCEUNI)
qs->flags |= QC_FORCEUNI;
qcam_reset(qs);
printf("qcam%d: %sdirectional parallel port\n",
qs->unit, qs->flags & QC_BIDIR_HW ? "bi" : "uni");
#ifdef DEVFS
qs->devfs_token =
devfs_add_devswf(&qcam_cdevsw, qs->unit, DV_CHR, 0, 0, 0600,
"qcam%d", qs->unit);
#endif
return 1;
}
STATIC_CDEVSW int
qcam_open (dev_t dev, int flags, int fmt, struct proc *p)
{
struct qcam_softc *qs = &qcam_softc[UNIT(dev)];
if (!(qs->flags & QC_ALIVE))
return ENXIO;
if (qs->flags & QC_OPEN)
return EBUSY;
qs->buffer_end = qs->buffer = malloc(QC_MAXFRAMEBUFSIZE, M_DEVBUF,
M_WAITOK);
if (!qs->buffer)
return ENOMEM;
qcam_reset(qs);
qcam_default(qs);
qs->init_req = 1; /* request initialization before scan */
qs->flags |= QC_OPEN;
return 0;
}
STATIC_CDEVSW int
qcam_close (dev_t dev, int flags, int fmt, struct proc *p)
{
struct qcam_softc *qs = &qcam_softc[UNIT(dev)];
if (qs->buffer) {
free(qs->buffer, M_DEVBUF);
qs->buffer = NULL;
qs->buffer_end = NULL;
}
qs->flags &= ~QC_OPEN;
return 0;
}
STATIC_CDEVSW int
qcam_read (dev_t dev, struct uio *uio, int ioflag)
{
struct qcam_softc *qs = &qcam_softc[UNIT(dev)];
int bytes, bufsize;
int error;
/* if we've seeked back to 0, that's our signal to scan */
if (uio->uio_offset == 0)
if (qcam_scan(qs))
return EIO;
bufsize = qs->buffer_end - qs->buffer;
if (uio->uio_offset > bufsize)
return EIO;
bytes = min(uio->uio_resid, (bufsize - uio->uio_offset));
error = uiomove(qs->buffer + uio->uio_offset, bytes, uio);
if (error)
return error;
return 0; /* success */
}
STATIC_CDEVSW int
qcam_ioctl (dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
{
struct qcam_softc *qs = &qcam_softc[UNIT(dev)];
struct qcam *info = (struct qcam *)data;
if (!data)
return(EINVAL);
switch (cmd) {
case QC_GET:
return qcam_ioctl_get(qs, info) ? EINVAL : 0;
case QC_SET:
return qcam_ioctl_set(qs, info) ? EINVAL : 0;
default:
return(ENOTTY);
}
return 0;
}
#ifdef QCAM_MODULE
#include <sys/exec.h>
#include <sys/sysent.h>
#include <sys/sysproto.h>
#include <sys/lkm.h>
static struct isa_device qcam_mod_dev =
{0, &qcamdriver, IO_LPT1, 0, -1, (caddr_t) 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 0};
MOD_DEV(qcam, LM_DT_CHAR, CDEV_MAJOR, &qcam_cdevsw);
static int
qcam_load (struct lkm_table *lkmtp, int cmd)
{
if (qcam_probe(&qcam_mod_dev)) {
qcam_attach(&qcam_mod_dev);
qcam_drvinit(NULL); /* XXX this shouldn't NEED to be here
* the LKM code should be doing this
* for us! */
uprintf("qcam: driver loaded\n");
return 0;
} else {
uprintf("qcam: probe failed\n");
return 1;
}
}
static int
qcam_unload (struct lkm_table *lkmtp, int cmd)
{
struct qcam_softc *qs;
int i;
for (i = 0; i < NQCAM; i++) {
qs = &qcam_softc[i];
if (qs->flags & QC_OPEN) {
uprintf("qcam%d: cannot unload, device busy", qs->unit);
return 1;
}
}
uprintf("qcam: driver unloaded\n");
return 0;
}
static int
qcam_stat (struct lkm_table *lkmtp, int cmd)
{
return 0;
}
int
qcam_mod (struct lkm_table *lkmtp, int cmd, int ver)
{
MOD_DISPATCH(qcam, lkmtp, cmd, ver,
qcam_load, qcam_unload, qcam_stat);
}
#endif /* QCAM_MODULE */
#endif /* NQCAM */

135
sys/i386/isa/qcamdefs.h
View file

@ -1,135 +0,0 @@
/*
* 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 */

662
sys/i386/isa/qcamio.c
View file

@ -1,662 +0,0 @@
/*
* 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.
*
* Additional ideas from code written by Michael Chinn and Nelson Minar.
*
* 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.
*/
#ifndef NQCAM
#include "qcam.h" /* this file defines NQCAM _only_ */
#endif
#if NQCAM > 0
#if defined(__FreeBSD__) || defined(__NetBSD__)
#include <sys/param.h>
#include <machine/cpufunc.h>
#ifdef KERNEL
#include <sys/systm.h>
#include <machine/clock.h>
#include <machine/qcam.h>
#else /* user mode version of driver */
#include <unistd.h>
#include <stdio.h>
#include "qcam.h"
#endif /* KERNEL */
#endif /* FreeBSD or NetBSD */
#ifdef bsdi
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include "qcam.h"
#endif /* bsdi */
#ifdef __linux__
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <asm/io.h>
#include "qcam-linux.h"
#include "qcam.h"
#endif /* __linux__ */
#ifdef _SCO_DS
#include <limits.h>
#include <errno.h>
#include <sys/types.h>
#include "qcam-sco.h"
#include "qcam.h"
#endif
#ifdef __FreeBSD__
#include <i386/isa/qcamreg.h>
#include <i386/isa/qcamdefs.h>
#include <machine/limits.h> /* XXX for bogus UCHAR_MAX checks -
* the types are all u_char so the
* tests are null */
#else
#include "qcamreg.h"
#include "qcamdefs.h"
#endif
/*
* There should be _NO_ operating system dependant code or definitions
* past this point.
*/
static const u_char qcam_zoommode[3][3] = {
{ QC_XFER_WIDE, QC_XFER_WIDE, QC_XFER_WIDE },
{ QC_XFER_NARROW, QC_XFER_WIDE, QC_XFER_WIDE },
{ QC_XFER_TIGHT, QC_XFER_NARROW, QC_XFER_WIDE }
};
static int qcam_timeouts;
#ifdef QCAM_GRAB_STATS
#define STATBUFSIZE (QC_MAXFRAMEBUFSIZE*2+50)
static u_short qcam_rsbhigh[STATBUFSIZE];
static u_short qcam_rsblow[STATBUFSIZE];
static u_short *qcam_rsbhigh_p = qcam_rsbhigh;
static u_short *qcam_rsblow_p = qcam_rsblow;
static u_short *qcam_rsbhigh_end = &qcam_rsbhigh[STATBUFSIZE];
static u_short *qcam_rsblow_end = &qcam_rsblow[STATBUFSIZE];
#define STATHIGH(T) \
if (qcam_rsbhigh_p < qcam_rsbhigh_end) \
*qcam_rsbhigh_p++ = ((T) - timeout); \
if (!timeout) qcam_timeouts++;
#define STATLOW(T) \
if (qcam_rsblow_p < qcam_rsblow_end) \
*qcam_rsblow_p++ = ((T) - timeout); \
if (!timeout) qcam_timeouts++;
#else
#define STATHIGH(T) if (!timeout) qcam_timeouts++;
#define STATLOW(T) if (!timeout) qcam_timeouts++;
#endif /* QCAM_GRAB_STATS */
#define READ_STATUS_BYTE_HIGH(P, V, T) { \
u_short timeout = (T); \
do { (V) = read_status((P)); \
} while (!(((V) & 0x08)) && --timeout); STATHIGH(T) \
}
#define READ_STATUS_BYTE_LOW(P, V, T) { \
u_short timeout = (T); \
do { (V) = read_status((P)); \
} while (((V) & 0x08) && --timeout); STATLOW(T) \
}
#define READ_DATA_WORD_HIGH(P, V, T) { \
u_int timeout = (T); \
do { (V) = read_data_word((P)); \
} while (!((V) & 0x01) && --timeout); STATHIGH(T) \
}
#define READ_DATA_WORD_LOW(P, V, T) { \
u_int timeout = (T); \
do { (V) = read_data_word((P)); \
} while (((V) & 0x01) && --timeout); STATLOW(T) \
}
inline static int
sendbyte (u_int port, int value, int sdelay)
{
u_char s1, s2;
write_data(port, value);
if (sdelay) {
DELAY(sdelay);
write_data(port, value);
}
write_control(port, QC_CTL_HIGHNIB);
READ_STATUS_BYTE_HIGH(port, s1, QC_TIMEOUT_CMD);
write_control(port, QC_CTL_LOWNIB);
READ_STATUS_BYTE_LOW(port, s2, QC_TIMEOUT_CMD);
return (s1 & 0xf0) | (s2 >> 4);
}
static int
send_command (struct qcam_softc *qs, int cmd, int value)
{
if (sendbyte(qs->iobase, cmd, qs->exposure) != cmd)
return 1;
if (sendbyte(qs->iobase, value, qs->exposure) != value)
return 1;
return 0; /* success */
}
static int
send_xfermode (struct qcam_softc *qs, int value)
{
if (sendbyte(qs->iobase, QC_XFERMODE, qs->exposure) != QC_XFERMODE)
return 1;
if (sendbyte(qs->iobase, value, qs->exposure) != value)
return 1;
return 0;
}
void
qcam_reset (struct qcam_softc *qs)
{
register u_int iobase = qs->iobase;
register u_char result;
write_control(iobase, 0x20);
write_data (iobase, 0x75);
result = read_data(iobase);
if ((result != 0x75) && !(qs->flags & QC_FORCEUNI))
qs->flags |= QC_BIDIR_HW; /* bidirectional parallel port */
else
qs->flags &= ~QC_BIDIR_HW;
write_control(iobase, 0x0b);
DELAY(250);
write_control(iobase, QC_CTL_LOWNIB);
DELAY(250);
}
static int
qcam_waitfor_bi (u_int port)
{
u_char s1, s2;
write_control(port, QC_CTL_HIGHWORD);
READ_STATUS_BYTE_HIGH(port, s1, QC_TIMEOUT_INIT);
write_control(port, QC_CTL_LOWWORD);
READ_STATUS_BYTE_LOW(port, s2, QC_TIMEOUT);
return (s1 & 0xf0) | (s2 >> 4);
}
/*
* The pixels are read in 16 bits at a time, and we get 3 valid pixels per
* 16-bit read. The encoding format looks like this:
*
* |---- status reg -----| |----- data reg ------|
* 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
* 3 3 3 3 2 x x x 2 2 2 1 1 1 1 R
*
* 1 = left pixel R = camera ready
* 2 = middle pixel x = unknown/unused?
* 3 = right pixel
*
* XXX do not use this routine yet! It does not work.
* Nelson believes that even though 6 pixels are read in per 2 words,
* only the 1 & 2 pixels from the first word are correct. This seems
* bizzare, more study is needed here.
*/
#define DECODE_WORD_BI4BPP(P, W) \
*(P)++ = 15 - (((W) >> 12) & 0x0f); \
*(P)++ = 15 - ((((W) >> 8) & 0x08) | (((W) >> 5) & 0x07)); \
*(P)++ = 15 - (((W) >> 1) & 0x0f);
static void
qcam_bi_4bit (struct qcam_softc *qs)
{
u_char *p;
u_int port;
u_short word;
port = qs->iobase; /* for speed */
qcam_waitfor_bi(port);
/*
* Unlike the other routines, this routine has NOT be interleaved
* yet because we don't have the algorythm for 4bbp down tight yet,
* so why add to the confusion?
*/
for (p = qs->buffer; p < qs->buffer_end; ) {
write_control(port, QC_CTL_HIGHWORD);
READ_DATA_WORD_HIGH(port, word, QC_TIMEOUT);
DECODE_WORD_BI4BPP(p, word);
write_control(port, QC_CTL_LOWWORD);
READ_DATA_WORD_HIGH(port, word, QC_TIMEOUT);
DECODE_WORD_BI4BPP(p, word);
}
}
/*
* The pixels are read in 16 bits at a time, 12 of those bits contain
* pixel information, the format looks like this:
*
* |---- status reg -----| |----- data reg ------|
* 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
* 2 2 2 2 2 x x x 2 1 1 1 1 1 1 R
*
* 1 = left pixel R = camera ready
* 2 = right pixel x = unknown/unused?
*/
#define DECODE_WORD_BI6BPP(P, W) \
*(P)++ = 63 - (((W) >> 1) & 0x3f); \
*(P)++ = 63 - ((((W) >> 10) & 0x3e) | (((W) >> 7) & 0x01));
static void
qcam_bi_6bit (struct qcam_softc *qs)
{
u_char *p;
u_short hi, low;
u_int port;
port = qs->iobase; /* for speed */
qcam_waitfor_bi(port);
/*
* This was interleaved before, but I cut it back to the simple
* mode so that it's easier for people to play with it. A quick
* unrolling of the loop coupled with interleaved decoding and I/O
* should get us a slight CPU bonus later.
*/
for (p = qs->buffer; p < qs->buffer_end; ) {
write_control(port, QC_CTL_HIGHWORD);
READ_DATA_WORD_HIGH(port, hi, QC_TIMEOUT);
DECODE_WORD_BI6BPP(p, hi);
write_control(port, QC_CTL_LOWWORD);
READ_DATA_WORD_LOW(port, low, QC_TIMEOUT);
DECODE_WORD_BI6BPP(p, low);
}
}
/*
* We're doing something tricky here that makes this routine a little
* more complex than you would expect. We're interleaving the high
* and low nibble reads with the math required for nibble munging.
* This should allow us to use the "free" time while we're waiting for
* the next nibble to come ready to do any data conversion operations.
*/
#define DECODE_WORD_UNI4BPP(P, W) \
*(P)++ = 15 - ((W) >> 4);
static void
qcam_uni_4bit (struct qcam_softc *qs)
{
u_char *p, *end, hi, low;
u_int port;
port = qs->iobase;
p = qs->buffer;
end = qs->buffer_end - 1;
/* request and wait for first nibble */
write_control(port, QC_CTL_HIGHNIB);
READ_STATUS_BYTE_HIGH(port, hi, QC_TIMEOUT_INIT);
/* request second nibble, munge first nibble while waiting, read 2nd */
write_control(port, QC_CTL_LOWNIB);
DECODE_WORD_UNI4BPP(p, hi);
READ_STATUS_BYTE_LOW(port, low, QC_TIMEOUT);
while (p < end) {
write_control(port, QC_CTL_HIGHNIB);
DECODE_WORD_UNI4BPP(p, low);
READ_STATUS_BYTE_HIGH(port, hi, QC_TIMEOUT);
write_control(port, QC_CTL_LOWNIB);
DECODE_WORD_UNI4BPP(p, hi);
READ_STATUS_BYTE_LOW(port, low, QC_TIMEOUT);
}
DECODE_WORD_UNI4BPP(p, low);
}
/*
* If you treat each pair of nibble operations as pulling in a byte, you
* end up with a byte stream that looks like this:
*
* msb lsb
* 2 2 1 1 1 1 1 1
* 2 2 2 2 3 3 3 3
* 3 3 4 4 4 4 4 4
*/
static void
qcam_uni_6bit (struct qcam_softc *qs)
{
u_char *p;
u_int port;
u_char word1, word2, word3, hi, low;
port = qs->iobase;
/*
* This routine has been partially interleaved... we can do a better
* job, but for right now, I've deliberately kept it less efficient
* so we can play with decoding without hurting peoples brains.
*/
for (p = qs->buffer; p < qs->buffer_end; ) {
write_control(port, QC_CTL_HIGHNIB);
READ_STATUS_BYTE_HIGH(port, hi, QC_TIMEOUT_INIT);
write_control(port, QC_CTL_LOWNIB);
READ_STATUS_BYTE_LOW(port, low, QC_TIMEOUT);
write_control(port, QC_CTL_HIGHNIB);
word1 = (hi & 0xf0) | (low >>4);
READ_STATUS_BYTE_HIGH(port, hi, QC_TIMEOUT);
write_control(port, QC_CTL_LOWNIB);
*p++ = 63 - (word1 >> 2);
READ_STATUS_BYTE_LOW(port, low, QC_TIMEOUT);
write_control(port, QC_CTL_HIGHNIB);
word2 = (hi & 0xf0) | (low >> 4);
READ_STATUS_BYTE_HIGH(port, hi, QC_TIMEOUT);
write_control(port, QC_CTL_LOWNIB);
*p++ = 63 - (((word1 & 0x03) << 4) | (word2 >> 4));
READ_STATUS_BYTE_LOW(port, low, QC_TIMEOUT);
word3 = (hi & 0xf0) | (low >> 4);
*p++ = 63 - (((word2 & 0x0f) << 2) | (word3 >> 6));
*p++ = 63 - (word3 & 0x3f);
}
/* XXX this is something xfqcam does, doesn't make sense to me,
but we don't see timeoutes here... ? */
write_control(port, QC_CTL_LOWNIB);
READ_STATUS_BYTE_LOW(port, word1, QC_TIMEOUT);
write_control(port, QC_CTL_HIGHNIB);
READ_STATUS_BYTE_LOW(port, word1, QC_TIMEOUT);
}
static void
qcam_xferparms (struct qcam_softc *qs)
{
int bidir;
qs->xferparms = 0;
bidir = (qs->flags & QC_BIDIR_HW);
if (bidir)
qs->xferparms |= QC_XFER_BIDIR;
if (qcam_debug)
printf("qcam%d: %dbpp %sdirectional scan mode selected\n",
qs->unit, qs->bpp, bidir ? "bi" : "uni");
if (qs->bpp == 6) {
qs->xferparms |= QC_XFER_6BPP;
qs->scanner = bidir ? qcam_bi_6bit : qcam_uni_6bit;
} else {
qs->scanner = bidir ? qcam_bi_4bit : qcam_uni_4bit;
}
if (qs->x_size > 160 || qs->y_size > 120) {
qs->xferparms |= qcam_zoommode[0][qs->zoom];
} else if (qs->x_size > 80 || qs->y_size > 60) {
qs->xferparms |= qcam_zoommode[1][qs->zoom];
} else
qs->xferparms |= qcam_zoommode[2][qs->zoom];
}
static void
qcam_init (struct qcam_softc *qs)
{
int x_size = (qs->bpp == 4) ? qs->x_size / 2 : qs->x_size / 4;
qcam_xferparms(qs);
send_command(qs, QC_BRIGHTNESS, qs->brightness);
send_command(qs, QC_BRIGHTNESS, 1);
send_command(qs, QC_BRIGHTNESS, 1);
send_command(qs, QC_BRIGHTNESS, qs->brightness);
send_command(qs, QC_BRIGHTNESS, qs->brightness);
send_command(qs, QC_BRIGHTNESS, qs->brightness);
send_command(qs, QC_YSIZE, qs->y_size);
send_command(qs, QC_XSIZE, x_size);
send_command(qs, QC_YORG, qs->y_origin);
send_command(qs, QC_XORG, qs->x_origin);
send_command(qs, QC_CONTRAST, qs->contrast);
send_command(qs, QC_WHITEBALANCE, qs->whitebalance);
if (qs->buffer)
qs->buffer_end = qs->buffer +
min((qs->x_size*qs->y_size), QC_MAXFRAMEBUFSIZE);
qs->init_req = 0;
}
int
qcam_scan (struct qcam_softc *qs)
{
int timeouts;
#ifdef QCAM_GRAB_STATS
bzero(qcam_rsbhigh, sizeof(qcam_rsbhigh));
bzero(qcam_rsblow, sizeof(qcam_rsblow));
qcam_rsbhigh_p = qcam_rsbhigh;
qcam_rsblow_p = qcam_rsblow;
#endif
timeouts = qcam_timeouts;
if (qs->init_req)
qcam_init(qs);
if (send_xfermode(qs, qs->xferparms))
return 1;
if (qcam_debug && (timeouts != qcam_timeouts))
printf("qcam%d: %d timeouts during init\n", qs->unit,
qcam_timeouts - timeouts);
timeouts = qcam_timeouts;
if (qs->scanner)
(*qs->scanner)(qs);
else
return 1;
if (qcam_debug && (timeouts != qcam_timeouts))
printf("qcam%d: %d timeouts during scan\n", qs->unit,
qcam_timeouts - timeouts);
write_control(qs->iobase, 0x0f);
return 0; /* success */
}
void
qcam_default (struct qcam_softc *qs)
{
qs->contrast = QC_DEF_CONTRAST;
qs->brightness = QC_DEF_BRIGHTNESS;
qs->whitebalance = QC_DEF_WHITEBALANCE;
qs->x_size = QC_DEF_XSIZE;
qs->y_size = QC_DEF_YSIZE;
qs->x_origin = QC_DEF_XORG;
qs->y_origin = QC_DEF_YORG;
qs->bpp = QC_DEF_BPP;
qs->zoom = QC_DEF_ZOOM;
qs->exposure = QC_DEF_EXPOSURE;
}
int
qcam_ioctl_get (struct qcam_softc *qs, struct qcam *info)
{
info->qc_version = QC_IOCTL_VERSION;
info->qc_xsize = qs->x_size;
info->qc_ysize = qs->y_size;
info->qc_xorigin = qs->x_origin;
info->qc_yorigin = qs->y_origin;
info->qc_bpp = qs->bpp;
info->qc_zoom = qs->zoom;
info->qc_exposure = qs->exposure;
info->qc_brightness = qs->brightness;
info->qc_whitebalance = qs->whitebalance;
info->qc_contrast = qs->contrast;
return 0; /* success */
}
int
qcam_ioctl_set (struct qcam_softc *qs, struct qcam *info)
{
/*
* sanity check parameters passed in by user
* we're extra paranoid right now because the API
* is in flux
*/
if (info->qc_xsize > QC_MAX_XSIZE ||
info->qc_ysize > QC_MAX_YSIZE ||
info->qc_xorigin > QC_MAX_XSIZE ||
info->qc_yorigin > QC_MAX_YSIZE ||
(info->qc_bpp != 4 && info->qc_bpp != 6) ||
info->qc_zoom > QC_ZOOM_200 ||
info->qc_brightness > UCHAR_MAX ||
info->qc_whitebalance > UCHAR_MAX ||
info->qc_contrast > UCHAR_MAX)
return 1; /* failure */
/* version check */
if (info->qc_version != QC_IOCTL_VERSION)
return 1; /* failure */
qs->x_size = info->qc_xsize;
qs->y_size = info->qc_ysize;
qs->x_origin = info->qc_xorigin;
qs->y_origin = info->qc_yorigin;
qs->bpp = info->qc_bpp;
qs->zoom = info->qc_zoom;
qs->exposure = info->qc_exposure;
qs->brightness = info->qc_brightness;
qs->whitebalance = info->qc_whitebalance;
qs->contrast = info->qc_contrast;
/* request initialization before next scan pass */
qs->init_req = 1;
return 0; /* success */
}
#ifndef QCAM_INVASIVE_SCAN
/*
* Attempt a non-destructive probe for the QuickCam.
* Current models appear to toggle the upper 4 bits of
* the status register at approximately 5-10 Hz.
*
* Be aware that this isn't the way that Connectix detects the
* camera (they send a reset and try to handshake), but this
* way is safe.
*/
int
qcam_detect (u_int port)
{
int i, transitions = 0;
u_char reg, last;
write_control(port, 0x20);
write_control(port, 0x0b);
write_control(port, 0x0e);
last = reg = read_status(port);
for (i = 0; i < QC_PROBELIMIT; i++) {
reg = read_status(port) & 0xf0;
if (reg != last) /* if we got a toggle, count it */
transitions++;
last = reg;
LONGDELAY(100000); /* 100ms */
}
return transitions >= QC_PROBECNTLOW &&
transitions <= QC_PROBECNTHI;
}
#else
/*
* This form of probing for the camera can cause garbage to show
* up on your printers if they're plugged in instead. However,
* some folks have a problem with the nondestructive scan when
* using EPP/ECP parallel ports.
*
* Try to send down a brightness command, if we succeed, we've
* got a camera on the remote side.
*/
int
qcam_detect (u_int port)
{
write_control(port, 0x20);
write_data(port, 0x75);
read_data(port);
write_control(port, 0x0b);
DELAY(250);
write_control(port, 0x0e);
DELAY(250);
if (sendbyte(port, QC_BRIGHTNESS, QC_DEF_EXPOSURE) != QC_BRIGHTNESS)
return 0; /* failure */
return (sendbyte(port, 1, QC_DEF_EXPOSURE) == 1);
}
#endif
#endif /* NQCAM */

91
sys/i386/isa/qcamreg.h
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@ -1,91 +0,0 @@
/*
* 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 */