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Date:      Wed, 24 Jan 2001 11:46:31 -0500 (EST)
From:      <Florent.Parent@viagenie.qc.ca>
To:        <mobile@FreeBSD.ORG>
Subject:   Re: IBM ThinkPad A20p (sound)
Message-ID:  <Pine.BSF.4.31.0101241146190.548-100000@blues.viagenie.qc.ca>
In-Reply-To: <Pine.BSF.4.31.0101231722390.1049-100000@blues.viagenie.qc.ca>

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On Tue, 23 Jan 2001 Florent.Parent@viagenie.qc.ca wrote:

>
> I also have an A20p running FreeBSD-4.2 STABLE. Here's my findings:
>
> 1- Tried the pcm driver: no success
>
> 2- Tried the OSS driver from 4Front tech. (http://www.opensound.com/)
> I was able to get some sound with the demo driver, but the system hangs
> when I start the X server.
>
> The reason is that the A20p shares the same IRQ between the graphics
> adapter, a pcmcia bus and the sound card. You can go in the BIOS under the
> PCI configuration to select the IRQ per PCI bus, but the it seems that the
> sound/pcmcia/graphics are stuck on the same PCI bus (I've put irq 5 for
> the 1st PCI bus):
>
> /kernel: pci1: <ATI model 4c46 graphics accelerator> at 0.0 irq 5
> /kernel: pcic-pci0: <TI PCI-1450 PCI-CardBus Bridge>
> mem 0x50000000-0x50000fff irq 5 at device 2.0 on pci0
> /kernel: csa0: <Crystal Semiconductor CS4614/4622/4624 Audio
> accelerator/4280 Audio controller> mem 0xf0000000-0xf00fffff,
> 0xf0122000-0xf0122fff irq 5 at device 5.0 on pci0
>
> Also note that you have to deactivate the BIOS APM support (see url below)
>
> I would really love to get that sound card running. Question is: can
> FreeBSD support a sound device that shares its IRQ ? A collegue of mine
> has the same laptop running Linux and the sound device works. Check out
> http://www.zhlive.ch/zhl_contents_linux.html for more info
>
> If anyone has more info, please post to the list.
>
> Florent.
>
> On Tue, 16 Jan 2001, Anders Andersson wrote:
>
> > Hi!
> >
> > I run 4.2-STABLE on mu thinkpad a20p, works like a charm, except sound.
> >
> > dmesg:
> >
> > csa0: <Crystal Semiconductor CS4614/4622/4624 Audio accelerator/4280
> > Audio controller> mem 0xf0000000-0xf00fffff,0xf0122000-0xf0122fff irq 11
> > at device 5.0 on pci0
> > pcm0: <CS461x PCM Audio> on csa0
> >
> > But when trying to play something, all I get is:
> >
> > (nothing)
> >
> > no sound, nothing in logs.
> >
> > Any hints?
> >
>
>

-- 
Florent Parent
Viagénie inc.  http://www.viagenie.qc.ca
+1.418.656.9254




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