[Openvortex-dev] Driver initialization problem for au8810 in Asus Laptop

[Raffaele Brancaleoni]

Hi all,

Just to inform you I've run into a problem with the driver 
initialization on my Asus laptop (L8400-B, equipped with an AU8810).

I retreived the CVS version of the alsa driver three days ago. 
Compilation succeeded without any hassles (cards enabled: mpu401 & au8810).

Usual infos:
#uname -a
Linux nightawk.tenebrae.be 2.4.20 #1 Sat May 17 22:14:54 CEST 2003 i686 
Pentium III (Coppermine) GenuineIntel GNU/Linux

#gcc --version
gcc (GCC) 3.2.2 20030322 (Gentoo Linux 1.4 3.2.2-r2)
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

When I try to load the driver (modprobe snd-au8810) I get the following 
messages:

Vortex: hardware shutdown...removed last mix
bad wt fifo reset (0x0001607c, 0x0002dead)!
bad wt fifo reset (0x00016078, 0x0002dead)!
bad wt fifo reset (0x00016074, 0x0002dead)!
bad wt fifo reset (0x00016070, 0x0002dead)!
bad wt fifo reset (0x0001606c, 0x0002dead)!
bad wt fifo reset (0x00016068, 0x0002dead)!
bad wt fifo reset (0x00016064, 0x0002dead)!
bad wt fifo reset (0x00016060, 0x0002dead)!
bad wt fifo reset (0x0001605c, 0x0002dead)!
bad wt fifo reset (0x00016058, 0x0002dead)!
bad wt fifo reset (0x00016054, 0x0002dead)!
bad wt fifo reset (0x00016050, 0x0002dead)!
bad wt fifo reset (0x0001604c, 0x0002dead)!
bad wt fifo reset (0x00016048, 0x0002dead)!
bad wt fifo reset (0x00016044, 0x0002dead)!
bad wt fifo reset (0x00016040, 0x0002dead)!
bad wt fifo reset (0x0001603c, 0x0002dead)!
bad wt fifo reset (0x00016038, 0x0002dead)!
bad wt fifo reset (0x00016034, 0x0002dead)!
bad wt fifo reset (0x00016030, 0x0002dead)!
bad wt fifo reset (0x0001602c, 0x0002dead)!
bad wt fifo reset (0x00016028, 0x0002dead)!
bad wt fifo reset (0x00016024, 0x0002dead)!
bad wt fifo reset (0x00016020, 0x0002dead)!
bad wt fifo reset (0x0001601c, 0x0002dead)!
bad wt fifo reset (0x00016018, 0x0002dead)!
bad wt fifo reset (0x00016014, 0x0002dead)!
bad wt fifo reset (0x00016010, 0x0002dead)!
bad wt fifo reset (0x0001600c, 0x0002dead)!
bad wt fifo reset (0x00016008, 0x0002dead)!
bad wt fifo reset (0x00016004, 0x0002dead)!
bad wt fifo reset (0x00016000, 0x0002dead)!
done.

The driver stays loaded, but I cannot play anything (audio devices
exist in /dev/sound/). I tried to load OSS emulation modules, and tried
again, no success again. I checked the mute status with alsa mixer, 
mixer failed to start.

Just to clear doubts, the old driver works fine with my laptop
(beside the "ticks" problems).

I checked the driver source but I lack chip knowledge and driver 
programming practice. From the messages, it looks like a WT DMA fifo 
initialization problem (base address problem ?).

I'll recompile the driver with debugging enabled and try again.

In the meantime, can any of you tell me what I should have a look at or 
is there a way to verify the base address value on my particular machine?

If you need further info, do not hesitate to let me know!

Thanks a lot for your invaluable hard work,

Best regards,

Raffaele.