Date: Thu, 28 Nov 2002 18:24:32 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: dirkx@webweaving.org Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Understanding PCI intr routing on a Cirrus Logic PD6729 Message-ID: <20021128.182432.52134304.imp@bsdimp.com> In-Reply-To: <20021129013253.J25692-100000@foem.leiden.webweaving.org> References: <20021128.104629.127817773.imp@bsdimp.com> <20021129013253.J25692-100000@foem.leiden.webweaving.org>
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In message: <20021129013253.J25692-100000@foem.leiden.webweaving.org>
Dirk-Willem van Gulik <dirkx@webweaving.org> writes:
:
: I noticed that there are a couple of things in the pcic_isa.c and in the
: pcic.c resume() function which seem to have no equivalent in the
: pcic_pci.c; such as speaker/power setup:
:
: pcic_setb(&sc->slots[0], PCIC_MISC1, PCIC_MISC1_SPEAKER);
: pcic_clrb(&sc->slots[0], PCIC_MISC2, PCIC_LPDM_EN);
:
: (and they only ?seem? to be done for the 6722 though the 6729 contorller
: has the equivalent registers.). Or am I misreading this ?
The SPEAKER isn't required, since that's used for things like modems
that want to route an audio signal to the PC's speaker. LPDM is a
power down mode. It should be a nop for this application...
Warner
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