From owner-freebsd-arm@FreeBSD.ORG Mon May 5 13:51:03 2014 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 73EAE7B2 for ; Mon, 5 May 2014 13:51:03 +0000 (UTC) Received: from server1.xenet.de (server1out.xenet.de [213.221.94.200]) by mx1.freebsd.org (Postfix) with ESMTP id 051AB1041 for ; Mon, 5 May 2014 13:51:01 +0000 (UTC) Received: from [10.0.0.50] (intern.xenet.de [213.221.94.50]) (authenticated bits=0) by server1.xenet.de (8.12.5/8.12.5) with ESMTP id s45DoudC081067 for ; Mon, 5 May 2014 15:50:58 +0200 (CEST) (envelope-from meyser@xenet.de) Message-ID: <5367973F.20300@xenet.de> Date: Mon, 05 May 2014 15:50:55 +0200 From: Matthias Meyser Organization: XeNET GmbH, Clausthal-Zellerfeld User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: freebsd-arm@freebsd.org Subject: Re: Re: USB audio device on Raspberry Pi - link_elf: symbol isa_dmastatus undefined References: <20140425154430.GA76168@utility-01.thismonkey.com> <535A8AEA.1000100@selasky.org> <20140425204134.GA458@cicely7.cicely.de> <20140430091411.GA45015@utility-01.thismonkey.com> <5360C0A7.9010407@selasky.org> <1398867266.22079.51.camel@revolution.hippie.lan> <5362638B.1080104@selasky.org> <5363C133.2000304@selasky.org> In-Reply-To: <5363C133.2000304@selasky.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.38 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 May 2014 13:51:03 -0000 Am 02.05.2014 18:00, schrieb Hans Petter Selasky: > On 05/01/14 17:08, Hans Petter Selasky wrote: >> On 05/01/14 01:34, Johny Mattsson wrote: >>> On 1 May 2014 00:14, Ian Lepore wrote: >>> >>>> I was doing some testing on a wandboard (about twice as fast an an rpi) >>>> with >>>> more than 20k int/sec without having any problems. >>>> >>> >>> On a similar note, I've pushed an i.MX 283 (400MHz) board to above 300k >>> int/sec, on Linux. Admittedly at that point my shell wasn't what you'd >>> call >>> "responsive" however =) The ISR in that scenario was the GPIO handler, so >>> probably a bit more light-weight than an audio ISR. >> >> I'll have a look and see if I can fix it. > Here is a patch (work in progress) which you can try: > http://home.selasky.org:8192/dwc_otg_isoc_support_wip.diff > > Still not working 100% reliable. Trying to figure out the last bits and pieces. For testing it would be very helful if someone could add device sound device snd_uaudio to RPI-B kernel. Having this in BEAGLEBONE would be nice to. Perhaps this schould go in every config that supports usb. > > --HPS > > -- Matthias Meyser | XeNET GmbH Tel.: +49-5323-9489050 | 38678 Clausthal-Zellerfeld, Marktstrasse 40 Fax: +49-5323-94014 | Registergericht: Amtsgericht Braunschweig HRB 110823 Email: Meyser@xenet.de | Geschaeftsfuehrer: Matthias Meyser