Date: Mon, 21 Jul 1997 09:16:57 -0700 From: Amancio Hasty <hasty@rah.star-gate.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: multimedia@freebsd.org Subject: Re: snd970721.tgz Message-ID: <199707211616.JAA04980@rah.star-gate.com> In-Reply-To: Your message of "Mon, 21 Jul 1997 14:21:58 %2B0200." <199707211221.OAA21169@labinfo.iet.unipi.it>
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>From The Desk Of Luigi Rizzo : > http://www.iet.unipi.it/~luigi/snd970721.tgz > > now it survives the i/o on /dev/audio, although it does not play yet > (initialization of the sb registers to generate an interrupt is still > missing, maybe tonight...) > > There were some trivial bugs in the previous versions, like swapping > variable names etc., now fixed. > > I am looking at Mike's idea of using DMA_AUTOMODE and a > circular buffer, but unfortunately there are no support routines to > read the current transfer status from the dma registers and I have to > write them myself. This also means that the old sound driver probably > did not really work very reliably, and explains why someone was > reporting that pieces of sound were repeating multiple times. > To be honest the dma routines are working fine however cards such as the SB are missing interrupts or the auto dma algorithm on the sb side is incorrect. Cheers, Amanciohome | help
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