At Wed, 31 Jan 2007 13:11:48 +0100, Remy Bruno wrote: > > Hello, > > I have been working on the AES32 and will soon provide a patch to get it > (hopefully) fully operational (hdspm code). > > Moreover, I also worked on the MADI card, but the original hdspm driver didn't > work for me (ie the code before my modifications to support AES32). I had to > deal with the following points: > - it needed the DDS feature (clock divisor), as for the AES32 and hdsp9632 > cards (this may be a new behavior for recent cards) > - the channel map needed to always be channel_map_madi_ss (and never > channel_map_madi_ds, even at 96k), as for AES32. Otherwise, the routing was > not correct. > - not enough DMA memory was beeing allocated (only for > "params_channels(params)" channels whereas it should be allocated for all > the channels, otherwise it didn't work at 96kHz) (alsa-lib was complaining, > so I don't think an old MADI card would work either) > - I had to play with the channel and rate rules > (snd_hdspm_hw_rule_channels_rate and so on) to get it working. Not > completely clear to me how it works but it didn't work as it was > > So here come my questions: > - Was the MADI driver completely fonctionnal before now? In other words, > maybe an older revision of the card was working as the code suggested (ie > differently than the revision I have, which is 204), can anyone confirm > this? The early version has surely worked, IIRC. But, Winfried should know better.... > - As a corollary: should I keep the compatibility with the old code? IE keep > using channel_map_madi_ds, etc. for revisions < 204? Well, the only question is whether it breaks the older models. Takashi ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
