Re: Edirol DA-2496

[Jaroslav Kysela <perex@suse.cz>]

On Fri, 10 Oct 2003, Clemens Ladisch wrote:

>
> Jaroslav, Takashi, any comments on this?
>
> Jonatan de la Torre wrote:
> > El vie, 19-09-2003 a las 10:27, Clemens Ladisch escribió:
> > > Jonatan de la Torre wrote:
> > > > * One IC whose PCB tag is IC38
> > > >
> > > > CS8420-CS
> > >
> > > sample rate converter
> > >
> > > > * Four IC's whose PCB tags are IC17, IC22, IC27, IC32
> > > >
> > > > AK4524VF
> > >
> > > stereo 24bit 96kHz DAC/ADC
> > >
> > > These chips are used on M-Audio cards, too.
> > >
> > > > Anything else before I close the box?
> > >
> > > Please try to load the snd-ice1712 driver, and show the contents of
> > > the /proc/asound/cardX/ice1712 file. The driver might actually work
> > > with your card.
> > >
> > > If not, the EEPROM subvendor/device ID has to be added to the driver.
> > > Your card looks as if it might be compatible to the Delta 1010LT; if
> > > it isn't, we have to know to which pins of the ICE1712 the other chips
> > > are connected.
> > >
> > Hi Clemens and people, here I am again, this is the contents of
> > /proc/asound/card0/ice1712
> > ICEnsemble ICE1712 at 0xd400, irq 15
> >
> > EEPROM:
> >   Subvendor        : 0xce164010
>
> This isn't one of the known IDs.
>
> >   Size             : 29 bytes
> >   Version          : 1
> >   Codec            : 0x1f
> >   ACLink           : 0x80
> >   I2S ID           : 0x71
> >   S/PDIF           : 0x0
> >   GPIO mask        : 0xfc
> >   GPIO state       : 0x2
> >   GPIO direction   : 0x3
> >   AC'97 main       : 0x0
> >   AC'97 pcm        : 0x0
> >   AC'97 record     : 0x0
> >   AC'97 record src : 0x44
> >   DAC ID #0        : 0x7
> >   DAC ID #1        : 0x7
> >   DAC ID #2        : 0x7
> >   DAC ID #3        : 0x7
> >   ADC ID #0        : 0x7
> >   ADC ID #1        : 0x7
> >   ADC ID #2        : 0x7
> >   ADC ID #3        : 0x7
> >   Extra #28        : 0x0
> >
> > Registers:
> >   PSDOUT03         : 0x0000
> >   CAPTURE          : 0x00000000
> >   SPDOUT           : 0x800f
> >   RATE             : 0x08
> >
> > The driver almost works but how can I know wich one ? I think that only
> > OSS driver works but ALSA not.
>
> There is no OSS driver AFAIK, and the OSS emulation uses the ALSA
> driver.
>
> > Maybe the owner manual helps you. I can send the pdf file
>
> It won't help unless it shows how the chips are wired.
>
> > How do I do to know the conections? I follow the tracks on the board?
>
> Yes, preferably with a multimeter. I think the interesting connections
> are only those going though the connecting cable.

Well, it does not help much. All outputs are separated from the digital
I/O. You need a datasheet for Envy24 (ICE1712) and try to find connections
of GPIO pins to AK4524 and CS8420 so that we can properly initialize these
chips.

						Jaroslav

-----
Jaroslav Kysela <perex@suse.cz>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs


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