From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E92DDCA9EB3 for ; Fri, 18 Oct 2019 02:38:32 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DA4C621D7D for ; Fri, 18 Oct 2019 02:38:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="M0cigsb0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA4C621D7D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 9E9DC84F; Fri, 18 Oct 2019 04:37:39 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 9E9DC84F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1571366309; bh=BZAFOXkiZoNHlD2GJJXdHIukoM2kW208PHrr9EAioOs=; h=Date:From:To:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=M0cigsb0oUAY7sar+9mN2PsgW99Ngqe13Hv4NFGo4Rpq47sdbtDqIH7ExHfZhka54 xc5yL8pdp4O/x/oDuNIzDVQpobkx63Z609vuxbTms9n3DOmMCM3Aj8zDRgb2selIPD q+rzuwANpE1tWbkxWOP8gCBT+d7tPkF2dHeHYRus= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 23D14F800F3; Fri, 18 Oct 2019 04:37:39 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A105EF80362; Fri, 18 Oct 2019 04:37:36 +0200 (CEST) Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C493DF800D0 for ; Fri, 18 Oct 2019 04:37:33 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C493DF800D0 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7CDEBB464; Fri, 18 Oct 2019 02:37:32 +0000 (UTC) Date: Fri, 18 Oct 2019 04:37:32 +0200 Message-ID: From: Takashi Iwai To: Takashi Sakamoto In-Reply-To: <20191017155424.885-1-o-takashi@sakamocchi.jp> References: <20191017155424.885-1-o-takashi@sakamocchi.jp> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Cc: alsa-devel@alsa-project.org, clemens@ladisch.de Subject: Re: [alsa-devel] [PATCH 00/12] ALSA: firewire: configure interval of hw IRQ via ALSA PCM interface X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Thu, 17 Oct 2019 17:54:12 +0200, Takashi Sakamoto wrote: > > Hi, > > ALSA IEC 61883-1/6 packet streaming engine controls OHCI 1394 controller > to generate hardware IRQ for fixed number (=16) of isoc packets. > Additionally, the size of packet buffer is fixed for triple of interval > of hardware IRQ (=48). > > This commit allows ALSA PCM applications to configure these parameters > by ALSA PCM interface. As a result, the size of PCM period is available > in the range between 125 usec and 64 msec (or 32 msec). The hardware > IRQ is scheduled for isoc packet which includes event across PCM period > boundary. > > Takashi Sakamoto (12): > ALSA: firewire-lib: use variable size of queue for isoc packets > instead of fixed size > ALSA: bebob: share PCM buffer size for both direction > ALSA: fireworks: share PCM buffer size for both direction > ALSA: oxfw: share PCM buffer size for both direction > ALSA: dice: share PCM buffer size for both direction > ALSA: firewire-digi00x: share PCM buffer size for both direction > ALSA: firewire-tascam: share PCM buffer size for both direction > ALSA: firewire-motu: share PCM buffer size for both direction > ALSA: fireface: share PCM buffer size for both direction > ALSA: firewire-lib: schedule hardware IRQ according to the size of PCM > period > ALSA: firewire-lib: tune the maximum available size of PCM period > ALSA: firewire-lib: tune the minimum available size of PCM period Applied all 12 patches now. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel