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Date: Sun, 05 Nov 2000 12:45:10 +0000
From: Rink Springer <rink@springer.cx>
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To: Sergey Babkin <babkin@bellatlantic.net>
Cc: Warner Losh <imp@village.org>, hackers@FreeBSD.ORG
Subject: Re: KLD's on ISA bus: how?
References: <3A04A8CD.6BDBB8CD@bellatlantic.net>  <3A044899.9020508@springer.cx> <200011042344.QAA37170@harmony.village.org> <200011050035.RAA37476@harmony.village.org> <3A04C46A.24DF7BA6@bellatlantic.net>
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Sergey Babkin wrote:

Hi,

I've got a probe, attach and a dummy identify procedure for my driver 
now. When I load the KLD, my identify procedure gets triggered, but the 
probe procedure doesn't! Why? Can someone help me? I've tightly used 
aha_isa.c as a help... for some reason, FreeBSD doesn't appear even to 
CALL the probe thing!

Please help me!

Thanks!
--Rink
> 
> Warner Losh wrote:
> 
> > 
> 
> > In message <3A04A8CD.6BDBB8CD@bellatlantic.net> Sergey Babkin writes:
> 
> 
> 
> > : In 4.x if you say in config file
> 
> > :
> 
> > : foo at isa
> 
> > :
> 
> > : and provide the identify routine in the driver the result should be
> 
> > : the same. The "ep" driver does that using a proprietary probe
> 
> > : procedure.
> 
> > 
> 
> > Most cards don't have that backdoor. They are either full plug and
> 
> > play, or they are rock stupid.  Come to think of it, there are some
> 
> > that are both :-).  The foo at isa might not work even in 4.x.  It
> 
> > will attach a child with no hints at all, so the probe routine won't
> 
> > know where to look.  The identify routine is the only way to deal.  In
> 
> > 4.x, you say
> 
> >         device  ep
> 
> > not
> 
> >         device  ep at isa
> 
> > iirc.
> 
> 
> 
> Ah, right. I confused it with another case, where the probe routine
> 
> tries to look for all possible ports. If I remember correctly,
> 
> "aha" is an example of such device.
> 
> 
> 
> -SB
> 
> 
> 
> 
> 
> 
> 




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