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Thread: Writing BSD device drivers (was: Re: Philips SAA7130 )




Writing BSD device drivers (was: Re: Philips SAA7130 )
user name
2008-01-20 07:40:51
[ -drivers added ]

> I've been still trying to get my AverMedia Hybrid
PCMCIA card to work, but =
> I don't think its coming anytime soon. Trouble is I've
been trying to use t=
> he linux compat but I haven't got any answer on how,
I've asked about how t=
> o build a driver (so I might be able to use linux
compat and use the driver=
> s from there) but got no answer- I reckon for the new
tv cards you might ne=
> ed to go to linux. There are current linux drivers
available for Avermedia =
> at linuxtv.org but I can't get them to work on bsd
unfortunately. I'd like =
> to get it to work on bsd, but I keep coming up blanks
and it seems beyond m=
> y skills to build a driver for it.
> Currently I'm using fc8 to run my multimedia, and I'll
use bsd on my server=
> s. Seems to be the only way atm, but I will be
watching...

NetBSD has a Device Driver Writing Guide:


http://www.netbsd.org/Documentation/kernel/ddwg.html

Also, see the 'FreeBSD Kernel "Newbies"' thread
in

http://lists.freebsd.org/pipermail/fre
ebsd-drivers/2007-December/date.html

I am not a FreeBSD device driver writing wizard, but I
gather the usual
method is not to port a linux driver (due to massive
differences between the
linux kernel and the *BSD kernels, and also due to concerns
with the quality
of linux code), but to write a new driver.  Data sheets and
linux driver source
are useful for learning how the device works.
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