Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261267AbVDIEDd (ORCPT ); Sat, 9 Apr 2005 00:03:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261270AbVDIEDd (ORCPT ); Sat, 9 Apr 2005 00:03:33 -0400 Received: from web53902.mail.yahoo.com ([206.190.36.212]:46015 "HELO web53902.mail.yahoo.com") by vger.kernel.org with SMTP id S261267AbVDIED2 (ORCPT ); Sat, 9 Apr 2005 00:03:28 -0400 Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; b=yBW3ZS6ARaRK5gfz0Mtd0J/PUK4iC8R/E3X8nZCiICCj+lEXZivbTgoyiXKfpxXQ17myqYT4vwwMk7Rc2WAfWc5izyhFHNyKXIYrSxKETTaOmv1PSpg2bIxJrvWqdrg1OEuK7Hnh4aCWML86tVYNglC/G/ZF5JaljI5NCz4wiDA= ; Message-ID: <20050409040327.93029.qmail@web53902.mail.yahoo.com> Date: Fri, 8 Apr 2005 21:03:27 -0700 (PDT) From: nobin matthew Subject: HELP:porting linux PXA audio driver to RTLinux(RTLinux core driver) To: kernelnewbies@nl.linux.org, linux-arm-kernel@lists.arm.linux.org.uk, linux-kernel@vger.kernel.org, linux-net@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1030 Lines: 33 Dear Friends, I am trying to port Linux PXA audio driver to RTLinux. I am using pxa-ac7.c and pxa-audio.c and eliminated sound_core.c, and i will register two device /dev/mixer and /dev/dsp to RTLinux kernel. The real need is, i wants to generate a sin wave using audio codec. With in 600us DMA controller should fill the codec FIFO, if that is not met distortion will happen. I think normal linux interrupts and Process scheduling may cause some problems. In porting it seems difficult to port kernel scheduling , dynamic memory allocation(for DMA) and synchronization. Please help me Nobin Mathew __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/