AC97(SiS 7019) audio?

Krassimir Slavchev krassi at bulinfo.net
Tue Dec 5 06:49:18 PST 2006


Hello

I have problems with AC97 sound under FreeBSD 6.2.

'pciconf -l -v' output:

...
pcm0 at pci0:1:4:    class=0x040100 card=0x70191039 chip=0x70191039 
rev=0x00 hdr=0x00
    class    = multimedia
    subclass = audio
...

I have found that this is SiS 7019 audio and the audio chip on the board 
is ALC202.
The ALC202 is supported by the ac97 driver but SiS 7019 is not 
recognized by the ICH driver.
The ICH driver has support for SiS 7012. After adding new chipid in the 
ICH I get:
...
pcm0: <SiS 7019> port 0xdc00-0xdcff mem 0xdfff8000-0xdfffbfff irq 10 at 
device 1.4 on pci0
pcm0: unable to map IO port space
device_attach: pcm0 attach returned 6
...

I have not found any useful information on the web about SiS7019 exept 
source code for QNX.

Can anyone help me with this audio?

Thanks





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