From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Revell Subject: Re: Dreamcast AICA driver Date: Sun, 12 Mar 2006 01:14:40 -0500 Message-ID: <1142144081.25358.103.camel@mindpipe> References: <1142124747.9496.50.camel@localhost.localdomain> <1142125920.25358.22.camel@mindpipe> <1142126427.9496.56.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from viper.oldcity.dca.net (viper.oldcity.dca.net [216.158.38.4]) by alsa.jcu.cz (ALSA's E-mail Delivery System) with SMTP id 40F651DF for ; Sun, 12 Mar 2006 07:14:44 +0100 (MET) In-Reply-To: <1142126427.9496.56.camel@localhost.localdomain> Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Adrian McMenamin Cc: linux-sh , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Sun, 2006-03-12 at 01:20 +0000, Adrian McMenamin wrote: > On Sat, 2006-03-11 at 20:11 -0500, Lee Revell wrote: > > On Sun, 2006-03-12 at 00:52 +0000, Adrian McMenamin wrote: > > > After a mere three years in development I now have a working (mono only > > > for now) ALSA driver for the Dreamcast driver to test. > > > > > > Sources are available for browsing at: > > > > > > http://newgolddream.dyndns.info/cgi-bin/cvsweb > > > > > > > > > If there are any testers out there please let me know! > > > > Cool, what did you have to do to get it working? > > > Key point was to switch to timer polling. It turned out there were > issues with the ARM7 firmware and interrupts that meant it behaved in > odd ways and essentially didn't work :) > > So I still use DMA to transfer the samples, but I use timer polling to > test how much has been played > Great!!! I am really glad you finally got this to work - your plight reminded me of trying to develop the emu10k1 multichannel support, when I knew nothing about ALSA drivers, and only had existing driver and reverse engineered hardware docs... You should submit this to ALSA now, as a patch against CVS... Lee ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642