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Old 06-19-2007, 07:19 AM   #1
fredzz2
LQ Newbie
 
Registered: Jun 2007
Posts: 6

Rep: Reputation: 0
Ov518 drivers error


I moved to linux some weeks ago and now i'm trying to resolve the only problem i have. Installing drivers for webcam. I already searched what chip it has and i know it's supported but when i try to compile i get this errors. I don't know where the problem is. Could you help me on this?
Im running ubuntu 7.04. Thanks in advance



Code:
fredzz@fredzz-desktop:/tmp/ov511-2.32$ make
    Building OVCam drivers for 2.6 kernel.
make -C /lib/modules/2.6.20-15-generic/build SUBDIRS=/tmp/ov511-2.32 modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.20-15-generic'
  CC [M]  /tmp/ov511-2.32/ov511_core.o
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_init_isoc’:
/tmp/ov511-2.32/ov511_core.c:3566: warning: assignment from incompatible pointer type
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_open’:
/tmp/ov511-2.32/ov511_core.c:3818: warning: implicit declaration of function ‘video_devdata’
/tmp/ov511-2.32/ov511_core.c:3818: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c:3819: warning: implicit declaration of function ‘video_get_drvdata’
/tmp/ov511-2.32/ov511_core.c:3819: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_release’:
/tmp/ov511-2.32/ov511_core.c:3885: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_do_ioctl’:
/tmp/ov511-2.32/ov511_core.c:3924: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c:3944: warning: implicit declaration of function ‘v4l_print_ioctl’
/tmp/ov511-2.32/ov511_core.c:4303: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_ioctl’:
/tmp/ov511-2.32/ov511_core.c:4743: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c:4749: warning: implicit declaration of function ‘video_usercopy’
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_read’:
/tmp/ov511-2.32/ov511_core.c:4765: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_mmap’:
/tmp/ov511-2.32/ov511_core.c:4920: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c: At top level:
/tmp/ov511-2.32/ov511_core.c:4974: error: ‘v4l_compat_ioctl32’ undeclared here (not in a function)
/tmp/ov511-2.32/ov511_core.c:4979: error: variable ‘vdev_template’ has initializer but incomplete type
/tmp/ov511-2.32/ov511_core.c:4980: error: unknown field ‘owner’ specified in initializer
/tmp/ov511-2.32/ov511_core.c:4980: warning: excess elements in struct initializer
/tmp/ov511-2.32/ov511_core.c:4980: warning: (near initialization for ‘vdev_template’)
/tmp/ov511-2.32/ov511_core.c:4981: error: unknown field ‘name’ specified in initializer
/tmp/ov511-2.32/ov511_core.c:4981: warning: excess elements in struct initializer
/tmp/ov511-2.32/ov511_core.c:4981: warning: (near initialization for ‘vdev_template’)
/tmp/ov511-2.32/ov511_core.c:4982: error: unknown field ‘type’ specified in initializer
/tmp/ov511-2.32/ov511_core.c:4982: warning: excess elements in struct initializer
/tmp/ov511-2.32/ov511_core.c:4982: warning: (near initialization for ‘vdev_template’)
/tmp/ov511-2.32/ov511_core.c:4983: error: unknown field ‘hardware’ specified in initializer
/tmp/ov511-2.32/ov511_core.c:4983: warning: excess elements in struct initializer
/tmp/ov511-2.32/ov511_core.c:4983: warning: (near initialization for ‘vdev_template’)
/tmp/ov511-2.32/ov511_core.c:4984: error: unknown field ‘fops’ specified in initializer
/tmp/ov511-2.32/ov511_core.c:4984: warning: excess elements in struct initializer
/tmp/ov511-2.32/ov511_core.c:4984: warning: (near initialization for ‘vdev_template’)
/tmp/ov511-2.32/ov511_core.c:4986: error: unknown field ‘release’ specified in initializer
/tmp/ov511-2.32/ov511_core.c:4986: error: ‘video_device_release’ undeclared here (not in a function)
/tmp/ov511-2.32/ov511_core.c:4986: warning: excess elements in struct initializer
/tmp/ov511-2.32/ov511_core.c:4986: warning: (near initialization for ‘vdev_template’)
/tmp/ov511-2.32/ov511_core.c:4988: error: unknown field ‘minor’ specified in initializer
/tmp/ov511-2.32/ov511_core.c:4988: warning: excess elements in struct initializer
/tmp/ov511-2.32/ov511_core.c:4988: warning: (near initialization for ‘vdev_template’)
/tmp/ov511-2.32/ov511_core.c: In function ‘cd_to_ov’:
/tmp/ov511-2.32/ov511_core.c:5543: warning: implicit declaration of function ‘to_video_device’
/tmp/ov511-2.32/ov511_core.c:5543: warning: initialization makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c:5544: warning: return makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c: In function ‘show_sensor’:
/tmp/ov511-2.32/ov511_core.c:5571: error: ‘senlist’ undeclared (first use in this function)
/tmp/ov511-2.32/ov511_core.c:5571: error: (Each undeclared identifier is reported only once
/tmp/ov511-2.32/ov511_core.c:5571: error: for each function it appears in.)
/tmp/ov511-2.32/ov511_core.c: In function ‘ov_create_sysfs’:
/tmp/ov511-2.32/ov511_core.c:5637: warning: implicit declaration of function ‘video_device_create_file’
/tmp/ov511-2.32/ov511_core.c: In function ‘ov51x_probe’:
/tmp/ov511-2.32/ov511_core.c:5815: warning: implicit declaration of function ‘video_device_alloc’
/tmp/ov511-2.32/ov511_core.c:5815: warning: assignment makes pointer from integer without a cast
/tmp/ov511-2.32/ov511_core.c:5819: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5819: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5819: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5821: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5823: warning: implicit declaration of function ‘video_set_drvdata’
/tmp/ov511-2.32/ov511_core.c:5829: warning: implicit declaration of function ‘video_register_device’
/tmp/ov511-2.32/ov511_core.c:5829: error: ‘VFL_TYPE_GRABBER’ undeclared (first use in this function)
/tmp/ov511-2.32/ov511_core.c:5835: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5850: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5856: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5860: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5882: error: dereferencing pointer to incomplete type
/tmp/ov511-2.32/ov511_core.c:5883: warning: implicit declaration of function ‘video_device_release’
/tmp/ov511-2.32/ov511_core.c:5885: warning: implicit declaration of function ‘video_unregister_device’
make[2]: *** [/tmp/ov511-2.32/ov511_core.o] Error 1
make[1]: *** [_module_/tmp/ov511-2.32] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.20-15-generic'
make: *** [default] Error 2
 
Old 06-19-2007, 09:08 PM   #2
Emerson
LQ Guru
 
Registered: Nov 2004
Location: Saint Amant, Acadiana
Distribution: Gentoo ~arch
Posts: 6,147

Rep: Reputation: Disabled
Welcome to LQ, fredzz2!

You do not have to torture yourself with this compilation. Drivers for your camera are included in the Linux kernel. I do not know if Ubuntu comes with this module (=kernel driver), you may try to load it with modprobe. If this does not work you need to enable it and rebuild your kernel. I insist this is much easier than finding correct driver for your kernel and building it the way you do.
 
Old 06-23-2007, 07:17 AM   #3
fredzz2
LQ Newbie
 
Registered: Jun 2007
Posts: 6

Original Poster
Rep: Reputation: 0
Thank you Emerson.
That's right. The drivers come included. I load them with modprobe ov511. But after loading them. There is no /dev/video# created. In video0 i have a tuner card. Webcam should go to /dev/video1. But it does not get created when i load ov511 drivers.
So i created it as i read somewhere with mknod /dev/video1 c 81 0 and then "chmod 666 /dev/video1 " , But the result of this is /dev/video1 beeing also with tuner card. So now i have 2 identic devices: video0 e video1. Both with the tuner card. But no webcam.

I don't know what's the problem, because when i load the ov51x-jpeg that are hacked drivers with jpeg suport, it works perfectly in xawtv and soem more programs. But not for what i want to. Because aMSN doesn't support yet JPEG webcams.

That's why I was trying to use default drivers but it doesn't work.
Is there anything i could do?

Thanks in advance and for your reply.

Fred

Last edited by fredzz2; 06-23-2007 at 07:19 AM.
 
Old 06-23-2007, 12:53 PM   #4
Emerson
LQ Guru
 
Registered: Nov 2004
Location: Saint Amant, Acadiana
Distribution: Gentoo ~arch
Posts: 6,147

Rep: Reputation: Disabled
You need to create new nodes with correct major and minor numbers. Major number refers to the driver, minor to the device. As usual, Google helps, here's one article I found:

http://www.linuxfromscratch.org/lfs/...er07/udev.html

Good luck.
 
  


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