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nexedi
linux
Commits
8fb8496a
Commit
8fb8496a
authored
Mar 12, 2002
by
Gerd Knorr
Committed by
Linus Torvalds
Mar 12, 2002
Browse files
Options
Browse Files
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Email Patches
Plain Diff
[PATCH] v4l: quickcam update
This patch updates the parallel port quickcam drivers (bw+color).
parent
0bd5a41d
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
140 additions
and
205 deletions
+140
-205
drivers/media/video/bw-qcam.c
drivers/media/video/bw-qcam.c
+71
-102
drivers/media/video/c-qcam.c
drivers/media/video/c-qcam.c
+69
-103
No files found.
drivers/media/video/bw-qcam.c
View file @
8fb8496a
...
@@ -694,125 +694,97 @@ long qc_capture(struct qcam_device * q, char *buf, unsigned long len)
...
@@ -694,125 +694,97 @@ long qc_capture(struct qcam_device * q, char *buf, unsigned long len)
* Video4linux interfacing
* Video4linux interfacing
*/
*/
static
int
qcam_open
(
struct
video_device
*
dev
,
int
flags
)
static
int
qcam_ioctl
(
struct
inode
*
inode
,
struct
file
*
file
,
{
unsigned
int
cmd
,
void
*
arg
)
return
0
;
}
static
void
qcam_close
(
struct
video_device
*
dev
)
{
}
static
long
qcam_write
(
struct
video_device
*
v
,
const
char
*
buf
,
unsigned
long
count
,
int
noblock
)
{
return
-
EINVAL
;
}
static
int
qcam_ioctl
(
struct
video_device
*
dev
,
unsigned
int
cmd
,
void
*
arg
)
{
{
struct
video_device
*
dev
=
video_devdata
(
file
);
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
dev
;
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
dev
;
switch
(
cmd
)
switch
(
cmd
)
{
{
case
VIDIOCGCAP
:
case
VIDIOCGCAP
:
{
{
struct
video_capability
b
;
struct
video_capability
*
b
=
arg
;
strcpy
(
b
.
name
,
"Quickcam"
);
strcpy
(
b
->
name
,
"Quickcam"
);
b
.
type
=
VID_TYPE_CAPTURE
|
VID_TYPE_SCALES
|
VID_TYPE_MONOCHROME
;
b
->
type
=
VID_TYPE_CAPTURE
|
VID_TYPE_SCALES
|
VID_TYPE_MONOCHROME
;
b
.
channels
=
1
;
b
->
channels
=
1
;
b
.
audios
=
0
;
b
->
audios
=
0
;
b
.
maxwidth
=
320
;
b
->
maxwidth
=
320
;
b
.
maxheight
=
240
;
b
->
maxheight
=
240
;
b
.
minwidth
=
80
;
b
->
minwidth
=
80
;
b
.
minheight
=
60
;
b
->
minheight
=
60
;
if
(
copy_to_user
(
arg
,
&
b
,
sizeof
(
b
)))
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCGCHAN
:
case
VIDIOCGCHAN
:
{
{
struct
video_channel
v
;
struct
video_channel
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
)))
if
(
v
->
channel
!=
0
)
return
-
EFAULT
;
if
(
v
.
channel
!=
0
)
return
-
EINVAL
;
return
-
EINVAL
;
v
.
flags
=
0
;
v
->
flags
=
0
;
v
.
tuners
=
0
;
v
->
tuners
=
0
;
/* Good question.. its composite or SVHS so.. */
/* Good question.. its composite or SVHS so.. */
v
.
type
=
VIDEO_TYPE_CAMERA
;
v
->
type
=
VIDEO_TYPE_CAMERA
;
strcpy
(
v
.
name
,
"Camera"
);
strcpy
(
v
->
name
,
"Camera"
);
if
(
copy_to_user
(
arg
,
&
v
,
sizeof
(
v
)))
if
(
copy_to_user
(
arg
,
&
v
,
sizeof
(
v
)))
return
-
EFAULT
;
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCSCHAN
:
case
VIDIOCSCHAN
:
{
{
int
v
;
struct
video_channel
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
)))
if
(
v
->
channel
!=
0
)
return
-
EFAULT
;
if
(
v
!=
0
)
return
-
EINVAL
;
return
-
EINVAL
;
return
0
;
return
0
;
}
}
case
VIDIOCGTUNER
:
case
VIDIOCGTUNER
:
{
{
struct
video_tuner
v
;
struct
video_tuner
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
))
!=
0
)
if
(
v
->
tuner
)
return
-
EFAULT
;
if
(
v
.
tuner
)
return
-
EINVAL
;
return
-
EINVAL
;
strcpy
(
v
.
name
,
"Format"
);
strcpy
(
v
->
name
,
"Format"
);
v
.
rangelow
=
0
;
v
->
rangelow
=
0
;
v
.
rangehigh
=
0
;
v
->
rangehigh
=
0
;
v
.
flags
=
0
;
v
->
flags
=
0
;
v
.
mode
=
VIDEO_MODE_AUTO
;
v
->
mode
=
VIDEO_MODE_AUTO
;
if
(
copy_to_user
(
arg
,
&
v
,
sizeof
(
v
))
!=
0
)
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCSTUNER
:
case
VIDIOCSTUNER
:
{
{
struct
video_tuner
v
;
struct
video_tuner
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
))
!=
0
)
if
(
v
->
tuner
)
return
-
EFAULT
;
if
(
v
.
tuner
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
v
.
mode
!=
VIDEO_MODE_AUTO
)
if
(
v
->
mode
!=
VIDEO_MODE_AUTO
)
return
-
EINVAL
;
return
-
EINVAL
;
return
0
;
return
0
;
}
}
case
VIDIOCGPICT
:
case
VIDIOCGPICT
:
{
{
struct
video_picture
p
;
struct
video_picture
*
p
=
arg
;
p
.
colour
=
0x8000
;
p
->
colour
=
0x8000
;
p
.
hue
=
0x8000
;
p
->
hue
=
0x8000
;
p
.
brightness
=
qcam
->
brightness
<<
8
;
p
->
brightness
=
qcam
->
brightness
<<
8
;
p
.
contrast
=
qcam
->
contrast
<<
8
;
p
->
contrast
=
qcam
->
contrast
<<
8
;
p
.
whiteness
=
qcam
->
whitebal
<<
8
;
p
->
whiteness
=
qcam
->
whitebal
<<
8
;
p
.
depth
=
qcam
->
bpp
;
p
->
depth
=
qcam
->
bpp
;
p
.
palette
=
VIDEO_PALETTE_GREY
;
p
->
palette
=
VIDEO_PALETTE_GREY
;
if
(
copy_to_user
(
arg
,
&
p
,
sizeof
(
p
)))
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCSPICT
:
case
VIDIOCSPICT
:
{
{
struct
video_picture
p
;
struct
video_picture
*
p
=
arg
;
if
(
copy_from_user
(
&
p
,
arg
,
sizeof
(
p
)))
if
(
p
->
palette
!=
VIDEO_PALETTE_GREY
)
return
-
EFAULT
;
if
(
p
.
palette
!=
VIDEO_PALETTE_GREY
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
p
.
depth
!=
4
&&
p
.
depth
!=
6
)
if
(
p
->
depth
!=
4
&&
p
->
depth
!=
6
)
return
-
EINVAL
;
return
-
EINVAL
;
/*
/*
* Now load the camera.
* Now load the camera.
*/
*/
qcam
->
brightness
=
p
.
brightness
>>
8
;
qcam
->
brightness
=
p
->
brightness
>>
8
;
qcam
->
contrast
=
p
.
contrast
>>
8
;
qcam
->
contrast
=
p
->
contrast
>>
8
;
qcam
->
whitebal
=
p
.
whiteness
>>
8
;
qcam
->
whitebal
=
p
->
whiteness
>>
8
;
qcam
->
bpp
=
p
.
depth
;
qcam
->
bpp
=
p
->
depth
;
down
(
&
qcam
->
lock
);
down
(
&
qcam
->
lock
);
qc_setscanmode
(
qcam
);
qc_setscanmode
(
qcam
);
...
@@ -823,27 +795,25 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
...
@@ -823,27 +795,25 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
}
}
case
VIDIOCSWIN
:
case
VIDIOCSWIN
:
{
{
struct
video_window
vw
;
struct
video_window
*
vw
=
arg
;
if
(
copy_from_user
(
&
vw
,
arg
,
sizeof
(
vw
)))
if
(
vw
->
flags
)
return
-
EFAULT
;
if
(
vw
.
flags
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
vw
.
clipcount
)
if
(
vw
->
clipcount
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
vw
.
height
<
60
||
vw
.
height
>
240
)
if
(
vw
->
height
<
60
||
vw
->
height
>
240
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
vw
.
width
<
80
||
vw
.
width
>
320
)
if
(
vw
->
width
<
80
||
vw
->
width
>
320
)
return
-
EINVAL
;
return
-
EINVAL
;
qcam
->
width
=
320
;
qcam
->
width
=
320
;
qcam
->
height
=
240
;
qcam
->
height
=
240
;
qcam
->
transfer_scale
=
4
;
qcam
->
transfer_scale
=
4
;
if
(
vw
.
width
>=
160
&&
vw
.
height
>=
120
)
if
(
vw
->
width
>=
160
&&
vw
->
height
>=
120
)
{
{
qcam
->
transfer_scale
=
2
;
qcam
->
transfer_scale
=
2
;
}
}
if
(
vw
.
width
>=
320
&&
vw
.
height
>=
240
)
if
(
vw
->
width
>=
320
&&
vw
->
height
>=
240
)
{
{
qcam
->
width
=
320
;
qcam
->
width
=
320
;
qcam
->
height
=
240
;
qcam
->
height
=
240
;
...
@@ -862,28 +832,20 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
...
@@ -862,28 +832,20 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
}
}
case
VIDIOCGWIN
:
case
VIDIOCGWIN
:
{
{
struct
video_window
vw
;
struct
video_window
*
vw
=
arg
;
memset
(
&
vw
,
0
,
sizeof
(
vw
));
memset
(
vw
,
0
,
sizeof
(
*
vw
));
vw
.
width
=
qcam
->
width
/
qcam
->
transfer_scale
;
vw
->
width
=
qcam
->
width
/
qcam
->
transfer_scale
;
vw
.
height
=
qcam
->
height
/
qcam
->
transfer_scale
;
vw
->
height
=
qcam
->
height
/
qcam
->
transfer_scale
;
if
(
copy_to_user
(
arg
,
&
vw
,
sizeof
(
vw
)))
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCKEY
:
return
0
;
case
VIDIOCCAPTURE
:
case
VIDIOCCAPTURE
:
return
-
EINVAL
;
case
VIDIOCGFBUF
:
case
VIDIOCGFBUF
:
return
-
EINVAL
;
case
VIDIOCSFBUF
:
case
VIDIOCSFBUF
:
return
-
EINVAL
;
case
VIDIOCKEY
:
return
0
;
case
VIDIOCGFREQ
:
case
VIDIOCGFREQ
:
return
-
EINVAL
;
case
VIDIOCSFREQ
:
case
VIDIOCSFREQ
:
return
-
EINVAL
;
case
VIDIOCGAUDIO
:
case
VIDIOCGAUDIO
:
return
-
EINVAL
;
case
VIDIOCSAUDIO
:
case
VIDIOCSAUDIO
:
return
-
EINVAL
;
return
-
EINVAL
;
default:
default:
...
@@ -892,8 +854,10 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
...
@@ -892,8 +854,10 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
return
0
;
return
0
;
}
}
static
long
qcam_read
(
struct
video_device
*
v
,
char
*
buf
,
unsigned
long
count
,
int
noblock
)
static
int
qcam_read
(
struct
file
*
file
,
char
*
buf
,
size_t
count
,
loff_t
*
ppos
)
{
{
struct
video_device
*
v
=
video_devdata
(
file
);
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
v
;
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
v
;
int
len
;
int
len
;
parport_claim_or_block
(
qcam
->
pdev
);
parport_claim_or_block
(
qcam
->
pdev
);
...
@@ -914,17 +878,22 @@ static long qcam_read(struct video_device *v, char *buf, unsigned long count, i
...
@@ -914,17 +878,22 @@ static long qcam_read(struct video_device *v, char *buf, unsigned long count, i
return
len
;
return
len
;
}
}
static
struct
file_operations
qcam_fops
=
{
owner:
THIS_MODULE
,
open:
video_exclusive_open
,
release:
video_exclusive_release
,
ioctl:
video_generic_ioctl
,
read:
qcam_read
,
llseek:
no_llseek
,
};
static
struct
video_device
qcam_template
=
static
struct
video_device
qcam_template
=
{
{
owner:
THIS_MODULE
,
owner:
THIS_MODULE
,
name:
"Connectix Quickcam"
,
name:
"Connectix Quickcam"
,
type:
VID_TYPE_CAPTURE
,
type:
VID_TYPE_CAPTURE
,
hardware:
VID_HARDWARE_QCAM_BW
,
hardware:
VID_HARDWARE_QCAM_BW
,
open:
qcam_open
,
fops:
&
qcam_fops
,
close:
qcam_close
,
kernel_ioctl:
qcam_ioctl
,
read:
qcam_read
,
write:
qcam_write
,
ioctl:
qcam_ioctl
,
};
};
#define MAX_CAMS 4
#define MAX_CAMS 4
...
...
drivers/media/video/c-qcam.c
View file @
8fb8496a
...
@@ -496,125 +496,93 @@ static long qc_capture(struct qcam_device *q, char *buf, unsigned long len)
...
@@ -496,125 +496,93 @@ static long qc_capture(struct qcam_device *q, char *buf, unsigned long len)
* Video4linux interfacing
* Video4linux interfacing
*/
*/
static
int
qcam_open
(
struct
video_device
*
dev
,
int
flags
)
static
int
qcam_ioctl
(
struct
inode
*
inode
,
struct
file
*
file
,
{
unsigned
int
cmd
,
void
*
arg
)
return
0
;
}
static
void
qcam_close
(
struct
video_device
*
dev
)
{
}
static
long
qcam_write
(
struct
video_device
*
v
,
const
char
*
buf
,
unsigned
long
count
,
int
noblock
)
{
return
-
EINVAL
;
}
static
int
qcam_ioctl
(
struct
video_device
*
dev
,
unsigned
int
cmd
,
void
*
arg
)
{
{
struct
video_device
*
dev
=
video_devdata
(
file
);
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
dev
;
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
dev
;
switch
(
cmd
)
switch
(
cmd
)
{
{
case
VIDIOCGCAP
:
case
VIDIOCGCAP
:
{
{
struct
video_capability
b
;
struct
video_capability
*
b
=
arg
;
strcpy
(
b
.
name
,
"Quickcam"
);
strcpy
(
b
->
name
,
"Quickcam"
);
b
.
type
=
VID_TYPE_CAPTURE
|
VID_TYPE_SCALES
;
b
->
type
=
VID_TYPE_CAPTURE
|
VID_TYPE_SCALES
;
b
.
channels
=
1
;
b
->
channels
=
1
;
b
.
audios
=
0
;
b
->
audios
=
0
;
b
.
maxwidth
=
320
;
b
->
maxwidth
=
320
;
b
.
maxheight
=
240
;
b
->
maxheight
=
240
;
b
.
minwidth
=
80
;
b
->
minwidth
=
80
;
b
.
minheight
=
60
;
b
->
minheight
=
60
;
if
(
copy_to_user
(
arg
,
&
b
,
sizeof
(
b
)))
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCGCHAN
:
case
VIDIOCGCHAN
:
{
{
struct
video_channel
v
;
struct
video_channel
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
)))
if
(
v
->
channel
!=
0
)
return
-
EFAULT
;
if
(
v
.
channel
!=
0
)
return
-
EINVAL
;
return
-
EINVAL
;
v
.
flags
=
0
;
v
->
flags
=
0
;
v
.
tuners
=
0
;
v
->
tuners
=
0
;
/* Good question.. its composite or SVHS so.. */
/* Good question.. its composite or SVHS so.. */
v
.
type
=
VIDEO_TYPE_CAMERA
;
v
->
type
=
VIDEO_TYPE_CAMERA
;
strcpy
(
v
.
name
,
"Camera"
);
strcpy
(
v
->
name
,
"Camera"
);
if
(
copy_to_user
(
arg
,
&
v
,
sizeof
(
v
)))
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCSCHAN
:
case
VIDIOCSCHAN
:
{
{
int
v
;
struct
video_channel
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
)))
if
(
v
->
channel
!=
0
)
return
-
EFAULT
;
if
(
v
!=
0
)
return
-
EINVAL
;
return
-
EINVAL
;
return
0
;
return
0
;
}
}
case
VIDIOCGTUNER
:
case
VIDIOCGTUNER
:
{
{
struct
video_tuner
v
;
struct
video_tuner
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
))
!=
0
)
if
(
v
->
tuner
)
return
-
EFAULT
;
if
(
v
.
tuner
)
return
-
EINVAL
;
return
-
EINVAL
;
strcpy
(
v
.
name
,
"Format"
);
memset
(
v
,
0
,
sizeof
(
*
v
));
v
.
rangelow
=
0
;
strcpy
(
v
->
name
,
"Format"
);
v
.
rangehigh
=
0
;
v
->
mode
=
VIDEO_MODE_AUTO
;
v
.
flags
=
0
;
v
.
mode
=
VIDEO_MODE_AUTO
;
if
(
copy_to_user
(
arg
,
&
v
,
sizeof
(
v
))
!=
0
)
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCSTUNER
:
case
VIDIOCSTUNER
:
{
{
struct
video_tuner
v
;
struct
video_tuner
*
v
=
arg
;
if
(
copy_from_user
(
&
v
,
arg
,
sizeof
(
v
))
!=
0
)
if
(
v
->
tuner
)
return
-
EFAULT
;
if
(
v
.
tuner
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
v
.
mode
!=
VIDEO_MODE_AUTO
)
if
(
v
->
mode
!=
VIDEO_MODE_AUTO
)
return
-
EINVAL
;
return
-
EINVAL
;
return
0
;
return
0
;
}
}
case
VIDIOCGPICT
:
case
VIDIOCGPICT
:
{
{
struct
video_picture
p
;
struct
video_picture
*
p
=
arg
;
p
.
colour
=
0x8000
;
p
->
colour
=
0x8000
;
p
.
hue
=
0x8000
;
p
->
hue
=
0x8000
;
p
.
brightness
=
qcam
->
brightness
<<
8
;
p
->
brightness
=
qcam
->
brightness
<<
8
;
p
.
contrast
=
qcam
->
contrast
<<
8
;
p
->
contrast
=
qcam
->
contrast
<<
8
;
p
.
whiteness
=
qcam
->
whitebal
<<
8
;
p
->
whiteness
=
qcam
->
whitebal
<<
8
;
p
.
depth
=
24
;
p
->
depth
=
24
;
p
.
palette
=
VIDEO_PALETTE_RGB24
;
p
->
palette
=
VIDEO_PALETTE_RGB24
;
if
(
copy_to_user
(
arg
,
&
p
,
sizeof
(
p
)))
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCSPICT
:
case
VIDIOCSPICT
:
{
{
struct
video_picture
p
;
struct
video_picture
*
p
=
arg
;
if
(
copy_from_user
(
&
p
,
arg
,
sizeof
(
p
)))
return
-
EFAULT
;
/*
/*
* Sanity check args
* Sanity check args
*/
*/
if
(
p
.
depth
!=
24
||
p
.
palette
!=
VIDEO_PALETTE_RGB24
)
if
(
p
->
depth
!=
24
||
p
->
palette
!=
VIDEO_PALETTE_RGB24
)
return
-
EINVAL
;
return
-
EINVAL
;
/*
/*
* Now load the camera.
* Now load the camera.
*/
*/
qcam
->
brightness
=
p
.
brightness
>>
8
;
qcam
->
brightness
=
p
->
brightness
>>
8
;
qcam
->
contrast
=
p
.
contrast
>>
8
;
qcam
->
contrast
=
p
->
contrast
>>
8
;
qcam
->
whitebal
=
p
.
whiteness
>>
8
;
qcam
->
whitebal
=
p
->
whiteness
>>
8
;
down
(
&
qcam
->
lock
);
down
(
&
qcam
->
lock
);
parport_claim_or_block
(
qcam
->
pdev
);
parport_claim_or_block
(
qcam
->
pdev
);
...
@@ -625,30 +593,28 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
...
@@ -625,30 +593,28 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
}
}
case
VIDIOCSWIN
:
case
VIDIOCSWIN
:
{
{
struct
video_window
vw
;
struct
video_window
*
vw
=
arg
;
if
(
copy_from_user
(
&
vw
,
arg
,
sizeof
(
vw
)))
if
(
vw
->
flags
)
return
-
EFAULT
;
if
(
vw
.
flags
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
vw
.
clipcount
)
if
(
vw
->
clipcount
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
vw
.
height
<
60
||
vw
.
height
>
240
)
if
(
vw
->
height
<
60
||
vw
->
height
>
240
)
return
-
EINVAL
;
return
-
EINVAL
;
if
(
vw
.
width
<
80
||
vw
.
width
>
320
)
if
(
vw
->
width
<
80
||
vw
->
width
>
320
)
return
-
EINVAL
;
return
-
EINVAL
;
qcam
->
width
=
80
;
qcam
->
width
=
80
;
qcam
->
height
=
60
;
qcam
->
height
=
60
;
qcam
->
mode
=
QC_DECIMATION_4
;
qcam
->
mode
=
QC_DECIMATION_4
;
if
(
vw
.
width
>=
160
&&
vw
.
height
>=
120
)
if
(
vw
->
width
>=
160
&&
vw
->
height
>=
120
)
{
{
qcam
->
width
=
160
;
qcam
->
width
=
160
;
qcam
->
height
=
120
;
qcam
->
height
=
120
;
qcam
->
mode
=
QC_DECIMATION_2
;
qcam
->
mode
=
QC_DECIMATION_2
;
}
}
if
(
vw
.
width
>=
320
&&
vw
.
height
>=
240
)
if
(
vw
->
width
>=
320
&&
vw
->
height
>=
240
)
{
{
qcam
->
width
=
320
;
qcam
->
width
=
320
;
qcam
->
height
=
240
;
qcam
->
height
=
240
;
...
@@ -656,7 +622,7 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
...
@@ -656,7 +622,7 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
}
}
qcam
->
mode
|=
QC_MILLIONS
;
qcam
->
mode
|=
QC_MILLIONS
;
#if 0
#if 0
if(vw
.width>=640 && vw.
height>=480)
if(vw
->width>=640 && vw->
height>=480)
{
{
qcam->width = 640;
qcam->width = 640;
qcam->height = 480;
qcam->height = 480;
...
@@ -674,28 +640,20 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
...
@@ -674,28 +640,20 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
}
}
case
VIDIOCGWIN
:
case
VIDIOCGWIN
:
{
{
struct
video_window
vw
;
struct
video_window
*
vw
=
arg
;
memset
(
&
vw
,
0
,
sizeof
(
vw
));
memset
(
vw
,
0
,
sizeof
(
*
vw
));
vw
.
width
=
qcam
->
width
;
vw
->
width
=
qcam
->
width
;
vw
.
height
=
qcam
->
height
;
vw
->
height
=
qcam
->
height
;
if
(
copy_to_user
(
arg
,
&
vw
,
sizeof
(
vw
)))
return
-
EFAULT
;
return
0
;
return
0
;
}
}
case
VIDIOCKEY
:
return
0
;
case
VIDIOCCAPTURE
:
case
VIDIOCCAPTURE
:
return
-
EINVAL
;
case
VIDIOCGFBUF
:
case
VIDIOCGFBUF
:
return
-
EINVAL
;
case
VIDIOCSFBUF
:
case
VIDIOCSFBUF
:
return
-
EINVAL
;
case
VIDIOCKEY
:
return
0
;
case
VIDIOCGFREQ
:
case
VIDIOCGFREQ
:
return
-
EINVAL
;
case
VIDIOCSFREQ
:
case
VIDIOCSFREQ
:
return
-
EINVAL
;
case
VIDIOCGAUDIO
:
case
VIDIOCGAUDIO
:
return
-
EINVAL
;
case
VIDIOCSAUDIO
:
case
VIDIOCSAUDIO
:
return
-
EINVAL
;
return
-
EINVAL
;
default:
default:
...
@@ -704,8 +662,10 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
...
@@ -704,8 +662,10 @@ static int qcam_ioctl(struct video_device *dev, unsigned int cmd, void *arg)
return
0
;
return
0
;
}
}
static
long
qcam_read
(
struct
video_device
*
v
,
char
*
buf
,
unsigned
long
count
,
int
noblock
)
static
int
qcam_read
(
struct
file
*
file
,
char
*
buf
,
size_t
count
,
loff_t
*
ppos
)
{
{
struct
video_device
*
v
=
video_devdata
(
file
);
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
v
;
struct
qcam_device
*
qcam
=
(
struct
qcam_device
*
)
v
;
int
len
;
int
len
;
...
@@ -719,17 +679,23 @@ static long qcam_read(struct video_device *v, char *buf, unsigned long count, i
...
@@ -719,17 +679,23 @@ static long qcam_read(struct video_device *v, char *buf, unsigned long count, i
}
}
/* video device template */
/* video device template */
static
struct
file_operations
qcam_fops
=
{
owner:
THIS_MODULE
,
open:
video_exclusive_open
,
release:
video_exclusive_release
,
ioctl:
video_generic_ioctl
,
read:
qcam_read
,
llseek:
no_llseek
,
};
static
struct
video_device
qcam_template
=
static
struct
video_device
qcam_template
=
{
{
owner:
THIS_MODULE
,
owner:
THIS_MODULE
,
name:
"Colour QuickCam"
,
name:
"Colour QuickCam"
,
type:
VID_TYPE_CAPTURE
,
type:
VID_TYPE_CAPTURE
,
hardware:
VID_HARDWARE_QCAM_C
,
hardware:
VID_HARDWARE_QCAM_C
,
open:
qcam_open
,
fops:
&
qcam_fops
,
close:
qcam_close
,
kernel_ioctl:
qcam_ioctl
,
read:
qcam_read
,
write:
qcam_write
,
ioctl:
qcam_ioctl
,
};
};
/* Initialize the QuickCam driver control structure. */
/* Initialize the QuickCam driver control structure. */
...
...
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