RE: [Alsa-devel] ATI IXP SPDIF

2004-05-27 Thread Alex Song
> -Original Message-
> From: Takashi Iwai [mailto:[EMAIL PROTECTED]
> Sent: Thursday, May 27, 2004 5:45 AM
> To: Alex Song
> Cc: '[EMAIL PROTECTED]'
> Subject: Re: [Alsa-devel] ATI IXP SPDIF
> 
> 
> At Wed, 26 May 2004 15:19:05 -0700,
> Alex Song wrote:
> > 
> > hi,
> > 
> > i happened to have that ASUS mobo (P4R800-VM) which has an 
> ATIIXP/AD1888 and
> > both PCM and ac3 pass through works with SPDIF.
> > but the board i am trying to get working has an 
> ATIIXP/ALC655 and i had a
> > look at the realtek site and they had some drivers
> > 
> (http://www.realtek.com.tw/downloads/dlac97-2.aspx?lineid=5&fa
> mid=12&series=
> > 8&Software=True) which looks like they were based off 
> alsa-1.0.4. just doing
> > a quick diff i see that they added some SPDIF stuff amongst 
> other things.
> > after testing and some code diffing this is what i figured:
> > 
> > alsa-1.0.4  broken atiixp-spdif broken 
> alc655-spdif
> > realtek-alsa-1.0.4  broken atiixp-spdif working alc655-spdif
> > alsa-cvsworking atiixp-spdifbroken 
> alc655-spdif
> > 
> > i am going to try and hack together some combination of 
> realtek-alsa-1.0.4
> > and alsa-cvs and see if what i figured is right or not. it 
> would be great if
> > one of the alsa developers can look into realtek-alsa-1.0.4 
> and merge those
> > changes into alsa.
> 
> ok then the problem seems alc655 specific.
> 
> after a quick look, i haven't found relavant changes for the spdif.
> they implemented additional switches for category but these 
> should be already
> handled if you set IEC958 status bits.
> 
> how did you test your board?
> 
> 
> Takashi

what do you mean set the IEC958 status bits? who sets it? atiixp.c?

my board is a gigabyte GA-8TRS300M with ATIIXP/ALC655 and i test by running
aplay with a wav file and ac3dec with an ac3 file. with alsa-cvs using bith
aplay and ac3dec, software says it is playing but i get no sound, the
optical spdif light is not lit. with realtek-alsa-1.0.4, the software says
it is playing, still no sound but the optical spdif light is on. i am
loading the atiixp module without options, just defaults.

alex


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Re: [Alsa-devel] ATI IXP SPDIF

2004-05-27 Thread Takashi Iwai
At Wed, 26 May 2004 15:19:05 -0700,
Alex Song wrote:
> 
> hi,
> 
> i happened to have that ASUS mobo (P4R800-VM) which has an ATIIXP/AD1888 and
> both PCM and ac3 pass through works with SPDIF.
> but the board i am trying to get working has an ATIIXP/ALC655 and i had a
> look at the realtek site and they had some drivers
> (http://www.realtek.com.tw/downloads/dlac97-2.aspx?lineid=5&famid=12&series=
> 8&Software=True) which looks like they were based off alsa-1.0.4. just doing
> a quick diff i see that they added some SPDIF stuff amongst other things.
> after testing and some code diffing this is what i figured:
> 
> alsa-1.0.4broken atiixp-spdif broken alc655-spdif
> realtek-alsa-1.0.4broken atiixp-spdif working alc655-spdif
> alsa-cvs  working atiixp-spdifbroken alc655-spdif
> 
> i am going to try and hack together some combination of realtek-alsa-1.0.4
> and alsa-cvs and see if what i figured is right or not. it would be great if
> one of the alsa developers can look into realtek-alsa-1.0.4 and merge those
> changes into alsa.

ok then the problem seems alc655 specific.

after a quick look, i haven't found relavant changes for the spdif.
they implemented additional switches for category but these should be already
handled if you set IEC958 status bits.

how did you test your board?


Takashi


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RE: [Alsa-devel] ATI IXP SPDIF

2004-05-26 Thread Alex Song
hi,

i happened to have that ASUS mobo (P4R800-VM) which has an ATIIXP/AD1888 and
both PCM and ac3 pass through works with SPDIF.
but the board i am trying to get working has an ATIIXP/ALC655 and i had a
look at the realtek site and they had some drivers
(http://www.realtek.com.tw/downloads/dlac97-2.aspx?lineid=5&famid=12&series=
8&Software=True) which looks like they were based off alsa-1.0.4. just doing
a quick diff i see that they added some SPDIF stuff amongst other things.
after testing and some code diffing this is what i figured:

alsa-1.0.4  broken atiixp-spdif broken alc655-spdif
realtek-alsa-1.0.4  broken atiixp-spdif working alc655-spdif
alsa-cvsworking atiixp-spdifbroken alc655-spdif

i am going to try and hack together some combination of realtek-alsa-1.0.4
and alsa-cvs and see if what i figured is right or not. it would be great if
one of the alsa developers can look into realtek-alsa-1.0.4 and merge those
changes into alsa.

cheers,

alex

> -Original Message-
> From: Takashi Iwai [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, May 25, 2004 2:45 AM
> To: Alex Song
> Cc: '[EMAIL PROTECTED]'
> Subject: Re: [Alsa-devel] ATI IXP SPDIF
> 
> 
> At Mon, 24 May 2004 16:16:42 -0700,
> Alex Song wrote:
> > 
> > hi,
> > 
> > i am trying to get SPDIF output working on ATI IXP/Realtek 
> ALC655 and i am
> > using atiixp.c from cvs (version 1.9) and linux kernel 
> 2.6.5. i tried
> > playing back wav files through aplay and ac3 files with 
> ac3play and i
> > couldn't get any output from either SPDIF over AC97 or 
> SPDIF Direct. analog
> > output is fine. from the cvs logs i gather that SPDIF on 
> ATI IXP should work
> > for some cases at least, has anyone got it to work? if so with what
> > files/hardware/settings etc?
> 
> it works fine on my test machine.  it's an ASUS mobo (forgot the
> model).
> 
>   % ac3dec -C some-48k.ac3
> 
> or
> 
>   % aplay -Dplug:spdif foo.wav
> 
> but the direct SPDIF mode doesn't work...
> 
> --
> Takashi Iwai <[EMAIL PROTECTED]>  ALSA Developer - 
> www.alsa-project.org
> 


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Re: [Alsa-devel] ATI IXP SPDIF

2004-05-25 Thread Takashi Iwai
At Mon, 24 May 2004 16:16:42 -0700,
Alex Song wrote:
> 
> hi,
> 
> i am trying to get SPDIF output working on ATI IXP/Realtek ALC655 and i am
> using atiixp.c from cvs (version 1.9) and linux kernel 2.6.5. i tried
> playing back wav files through aplay and ac3 files with ac3play and i
> couldn't get any output from either SPDIF over AC97 or SPDIF Direct. analog
> output is fine. from the cvs logs i gather that SPDIF on ATI IXP should work
> for some cases at least, has anyone got it to work? if so with what
> files/hardware/settings etc?

it works fine on my test machine.  it's an ASUS mobo (forgot the
model).

% ac3dec -C some-48k.ac3

or

% aplay -Dplug:spdif foo.wav

but the direct SPDIF mode doesn't work...

--
Takashi Iwai <[EMAIL PROTECTED]>ALSA Developer - www.alsa-project.org


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