From owner-freebsd-multimedia Sun May 12 20:05:38 1996 Return-Path: owner-multimedia Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id UAA06916 for multimedia-outgoing; Sun, 12 May 1996 20:05:38 -0700 (PDT) Received: from xi.dorm.umd.edu (root@xi.dorm.umd.edu [129.2.152.45]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id UAA06905 for ; Sun, 12 May 1996 20:05:34 -0700 (PDT) Received: from localhost (smpatel@localhost [127.0.0.1]) by xi.dorm.umd.edu (8.7.5/8.6.12) with SMTP id XAA06883; Sun, 12 May 1996 23:04:49 -0400 (EDT) Date: Sun, 12 May 1996 23:04:48 -0400 (EDT) From: Sujal Patel X-Sender: smpatel@xi.dorm.umd.edu To: "Amancio Hasty Jr." cc: "Christoph P. Kukulies" , multimedia@freebsd.org Subject: Re: snd in -current, vmix, misc In-Reply-To: <199605130239.TAA10155@rah.star-gate.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-multimedia@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Sun, 12 May 1996, Amancio Hasty Jr. wrote: > Care to enlighten us how we can tell isa.c that the dma > is completed when we use isa_dmastart and auto dma initialize? Oops... Sorry, didn't realize that you've got auto dma here. This is a problem (there's actually a note about this in isa.c). The ad1848 driver solves this by calling isa_dmadone when an interrupt occurs. I guess with the GUS, the interrupt doesn't fall through all the layers it should to trigger this? Sujal