Pavel Hofman napsal(a):> Vedran Miletić wrote:>> 2008/11/13 Vedran Miletić <rivanvx@xxxxxxxxx>:>>> 2008/11/12 Pavel Hofman <pavel.hofman@xxxxxxxxx>:>>>> Vedran Miletić napsal(a):>>>>> 2008/11/12 Pavel Hofman <pavel.hofman@xxxxxxxxx>:>>>>>> Vedran Miletić wrote:>>>>>>> Auzen started to distribute one cool new Envy24HT-S card, and it looks>>>>>>> really interesting to me. Specs are awesome, and it also has word>>>>>>> clock on card!>>>>>>> http://www.auzentech.com/site/products/infra_quartet.php>>>>>>> http://www.infra-sonic.com/site/p_PCI_quartet.php>>>>>>> http://www.newegg.com/Product/Product.aspx?Item=N82E16829156007>>>>>>>>>>>>>> According to envy24.svobodno.com, it has:>>>>>>> Infrasonic Quartet 0x3030 0x4953>>>>>>> Envy24HT-S - supported by ALSA>>>>>>> AK4620B (ADC / DAC) - not sure, probably not supported?>>>>>>> AK4112 - not sure either?>>>>>>>>>>>>>> However it has Xilinx on card in similar way as ESI Juli@ does, so>>>>>>> it's probably not a standard Envy24HT-S card.>>>>>>> Any ideas if this card could be supported?>>>>>>>>>>>>> According to the block diagram in the User's Manual the Xilinx plays a>>>>>> major>>>>>> role. The FPGA provides even more functions than in Juli.>>>>>>>>>>>> Without some information from the manufacturer (even if under NDA) the>>>>>> driver will be rather difficult to write. The FPGA is controlled by>>>>>> Envy's>>>>>> GPIOs and their signals would have to be electrically analyzed under>>>>>> Windows>>>>>> driver - a pretty complicated task. It is very different from a regular>>>>>> card>>>>>> with well-documented codecs only where you just need to trace codec pins>>>>>> to>>>>>> corresponding GPIOs.>>>>>>>>>>>> Pavel.>>>>>>>>>>> First off, thanks for answering. I didn't expect anyone to answer,>>>>> since this card isn't this common yet, so it surprised me that it>>>>> caught someone's interest. Good :)>>>>>>>>>> Well, IMHO, this card is as far as Envy24HT-S can go. Sure you can>>>>> have more inputs/outputs, but at 4x4 and without breakout box that's>>>>> it, in terms of features. So, I didn't expect the design to be simple>>>>> at all. Not to mention unsupported DAC/ADC and DIT.>>>>>>>>>> Yet, assuming we get the specifications from Infrasonic/Auzen, would>>>>> you or anyone else be interested in coding a driver?>>>> Well, I could work on the driver, it would be similar to Juli. ice1724.c is>>>> mostly ready for the proprietary clock model. The aforementioned chips have>>>> complete documentation publicly available. If I had the card physically to>>>> trace connection and test (I am no Takashi the wizard :) ) and some>>>> documentation available, it should be viable.>>>>>>>> Honestly I am not going to purchase it myself, I have no other use for it>>>> plus PCI is almost history now. Unfortunately I have not met any PCI-express>>>> card with quality 44.1kHz playback (i.e. dedicated crystal clock).>>>>>>>> Pavel.>>>>>>> I do agree that PCI is almost history nowadays. Better said, it should>>> be. However, I see no viable replacement for Envy24 cards on PCI-E.>>> Oxygen and X-Fi just don't cut it. Anything else?>>>>>> Of course, when it comes to Envy on PCI-E there is Tokyo Style S010>>> DCS-SEV24, however that card doesn't support ASIO and since it uses>>> PCI <--> PCI-E bridge it's performance (in low latency operation) will>>> probably suck. And also it's not aimed at producers, and it doesn't>>> even support ASIO in Windows. I believe there are no MIDI ports>>> either.>>>>>> Therefore, out of all those "new" Envy24-based cards (since that's>>> basically what's available in this price range), Quartet stands out as>>> basically the best producer-oriented solution out there. Even more>>> than that - this is by far the best Envy24 card I have seen so far.>>> Almost like there is nothing to add :-) It's not available where I>>> live (Croatia), but it might be in the future since Auzen started to>>> distribute it, that's why I was interested in possibility of ALSA>>> driver for it appearing.>>>>>> Well, I will contact Infrasonic in the coming days and let you know>>> how it went. Fingers crossed.>>>>>> -->>> Vedran Miletić>>>>> I got a positive reply from Infrasonic, but haven't taken it further>> since I lack coding skills in this regard. Anyone wants to?>>> > Well, I am awaiting our second child which will keep me a bit busy. If > the timing is not too tight, I think I could find some time to work on > the driver, provided the manufacturer lends me the card and provides > reasonable amount of information.> > Pavel.> _______________________________________________> Alsa-devel mailing list> Alsa-devel@xxxxxxxxxxxxxxxx> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel OK, I will talk to the manufacturer and work on the driver. Thanks Vedran for arranging the contact. Pavel._______________________________________________Alsa-devel mailing listAlsa-devel@xxxxxxxxxxxxxxxxxxxx://mailman.alsa-project.org/mailman/listinfo/alsa-devel
