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ATI AC 97 Sounds (SB400) effort


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#1
Andras Kenez

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ATI sothbridge sound did not supported yet

On WindowsXP ATI use Realtek ALC 650 like VIA, and some supported Intel wich has Darwin driver....

Is it possible to rewrite AC97 source to support ATI south bridge ?

#2
Andras Kenez

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I found Linux ATI, VIA AC97 source.......

http://www.linux-m32...urce/sound/pci/

#3
hell

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since mac os x uses bsd kernel, I think bsd ati ac97 source is more useful

http://www.openbsd.o...rc/sys/dev/pci/

#4
EdFlyer

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I've been working on the ati sound, 43701002. So far I've gotten the chip to inizialize, but I haven't gotten past that yet. The driver loads, but doesn't connect to the sound. I"ve been modifying the AMDCS5 something driver that comes in the 10.4.3 sources, AppleAC97Sound. If you want I can post the source code that i've gotten so far, but I can't guarantee that it is correct. I am still learning what all the code does. I've been doing this by comparing the methods in the bsd driver to the mac os x driver. Hopefully I can get farther today.

#5
EdFlyer

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So far I've got chip initialization, a one succesful codec read, but then a timeout. and the driver closes. Im working on the proper codec code right now.

#6
HooKed

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keep it up buddy

#7
b.megin

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would be great if you could fix it..

have the same audio hardware here... tried almost everything, but
audio is the last thing not working at all on my acer aspire 5012

thx...

d.

specs:
acer aspire 5012 laptop
AMD64 3000+
ATI Mobility x700 (working although some mouse tearing)
ATI SB400 AC97 Audio (not working yet)
Bluetooth, LAN (working) - Wireless not tried yet.
running OSX 10.4.5 (myzo prepatched dvd)
and WinXP (w/ bootitNG as bootmanager - recommended!)

#8
dimbulb

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Just wanted to add my own HOORAY to this:

HOORAY!

Sound is the only thing left that has zero functionality on my PC.

#9
EdFlyer

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Driver is coming along well....I hope to be able to post at least a beta, if not better in the next couple days.

#10
rlepage

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can we have a status update? or a link to a dev website of yours?

#11
EdFlyer

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So far:
Chip Init, it reads the 3 codecs but only attaches one. driver still crashes the System Preferences -> sound page. I think the problem is in the codec attachment. I am working through that problem right now. Hopefully once that's done I'll be able to have sound, not sure though.

As far as a website, I can have a page up next week, once I get back to school.

If anyone else has experience with C++ and Mac OS driver development pleae let me know if there's anyway you can help.

#12
digicide

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wish i could help.... i can cheerlead though--

GO ED! WOOP WOO! KEEP ON IT, WHIP THOSE CODEC Attachment... thingies....

Sound's gonna be awesome! Thanks Ed.

#13
limbohz

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just wanted to say THANKS ED! we all appreciate your hard work!

#14
scousi

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So far:
Chip Init, it reads the 3 codecs but only attaches one. driver still crashes the System Preferences -> sound page. I think the problem is in the codec attachment. I am working through that problem right now. Hopefully once that's done I'll be able to have sound, not sure though.

As far as a website, I can have a page up next week, once I get back to school.

If anyone else has experience with C++ and Mac OS driver development pleae let me know if there's anyway you can help.

I had started to develop one too but I had to quit because I was too busy. Which Codec are you using?

Is is the Realtek ACL250? Mine is. I have device ID 4370 also.

My problem was getting the Audio Engine streams working.

This is a good read:

http://developer.app..._section_1.html

This is certainly a fun project with learning possibilities.

#15
kfc

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I've too have got an ATI ac97 in my ferrari 4000.
I do hope that a driver for this will be ready soon.
keep up the good work!

#16
Gooly

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i will be happy if i get ac97 for ATI IDCAB 3 board

#17
Peter Gammelgaard

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Any updates in this projekt?

Keep up the good work..

#18
b.megin

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my hardware here:

Audio Controller = "ATI(4370)"
ac97 codec Realtec = "ALC655"

would be great if this one would be supported...

keep up the good work...

(since i dont have any coding skills I unfortunately cant help with this one)

thanx alot and greetz from tel aviv...

d.

#19
Brandon2004

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I guess this is a bump just wanted to see if any progress has been made...ed flyer keep up the good work

#20
Brandon2004

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Could someone please try this my os x install went down when I tried to upgrade to 10.4.5 this is a compiled kext from darwin Check the macgirl download I have the compaq v2570nr and on xp it uses the conexant codec so I think this might work if someone could give it a try





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