Date: Wed, 26 May 1999 12:37:02 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Roger Hardiman <roger@cs.strath.ac.uk> Cc: Nick Hibma <nick.hibma@jrc.it>, Roger Hardiman <roger@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/conf options Message-ID: <199905261637.MAA14742@khavrinen.lcs.mit.edu> In-Reply-To: <374C0F14.59E2@cs.strath.ac.uk> References: <Pine.GSO.3.95q.990526164046.11052l-100000@elect8> <374C0F14.59E2@cs.strath.ac.uk>
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<<On Wed, 26 May 1999 16:11:16 +0100, Roger Hardiman <roger@cs.strath.ac.uk> said:
> While on the subject, I want the bt848 driver to read the
> PCI Host chipset ID and select the 'compatibility' mode
> automatically. (Just like the Windows and Linux drivers do)
It looks like:
{
device_t myparent, hisparent;
u_int32_t data;
myparent = device_get_parent(me);
hisparent = device_get_parent(myparent);
data = PCI_READ_CONFIG(hisparent, myparent, PCIR_DEVVENDOR, 4);
switch (data) {
case 0x12345678:
something_special = 1;
break;
/* other cases */
}
}
...is all you need for -current.
-GAWollman
--
Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu | O Siem / The fires of freedom
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick
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