Date: Tue, 10 Aug 1999 10:49:33 +0800 From: Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com> To: hackers@freebsd.org Cc: shocking@ariadne.tensor.pgs.com, ognir@humboldt1.com Subject: Re: freebsd-hackers-digest V4 #576 Message-ID: <199908100249.KAA09518@ariadne.tensor.pgs.com> In-Reply-To: Your message of "Mon, 09 Aug 1999 13:34:57 MST." <bulk.47741.19990809133457@hub.freebsd.org>
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>
> I believe the joystick driver in FreeBSD could probably be redone, to support
> all the non-standard joysticks that many people (like me :) have. Having
> just recently converted to FreeBSD from Linux, though, I don't know the best
> way to go about it. Here are some ideas (sorry if my terminology is wrong):
>
> (1) Redefine the core joystick code as a controller, and then have all the
> different joystick types ride on top of it, like:
>
> controller joy0 at isa? port IO_GAME # Serves joystick port 0x201
> #device jan0 at joy0 # Analog joystick
> device jgpp0 at joy0 # Gravis GamePad Pro
> etc...
> This would also allow for modules to be used for all the different joystick
> types, I think.
>
> (2) Have a monolithic joystick driver, with options to pick the proper type:
>
> device joy0 at isa? port IO_GAME # Just like it is now
> options JOY_ANALOG
> options JOY_GRAVIS
> etc...
>
> I also believe it should use the Linux joystick's device interface, so that
> folks that have already written their games to use the Linux joysticks can work
> in FreeBSD with minor effort.
>
> Any help or comments are appreciated.
>
I'm partway through porting Vojtech's Linux joystick code to FreeBSD, as a
series of loadable modules. There is the main module (which is mostly
converted, although some of the Linuxisms are a bit hard to come up with an
equivalent to, even with the Linux device drivers book) and a seperate module
for each of the different hardware devices. You'll kldload the main module
first, then the device specific module, which'll call a joystick registration
routine to make itself known. You've just spurred me into action and I hope to
get the main module finished this weekend.
The recent chatter about allowing kldload to give modules arguments is very
interesting, as it would allow one to specify port addresses and the like.
Stephen
--
The views expressed above are not those of PGS Tensor.
"We've heard that a million monkeys at a million keyboards could produce
the Complete Works of Shakespeare; now, thanks to the Internet, we know
this is not true." Robert Wilensky, University of California
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