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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A47DC433F5 for ; Wed, 12 Jan 2022 19:26:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344599AbiALTZ7 (ORCPT ); Wed, 12 Jan 2022 14:25:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344262AbiALTZz (ORCPT ); Wed, 12 Jan 2022 14:25:55 -0500 Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A820C06173F for ; Wed, 12 Jan 2022 11:25:55 -0800 (PST) Received: by mail-qt1-x829.google.com with SMTP id bp39so4198864qtb.6 for ; Wed, 12 Jan 2022 11:25:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=oqb3porLNx+xL8LPszd6cBs+HKnYfYssZ8m+DqN9VEA=; b=JblWP2i4DLSV2FyMNw36nU485keGSlI6pKsZ/cvydLVu6L3v0/mVIV+DFzlwPb5zqC 6HLM7hm1YzH1Bm7u5uyEHrtXlt5U/fWRwORt7j5BvzgJCFinC4s6CWBXrE1tP2avSuYZ IWhxIPyAx8uAN+UB91LIGGdJXalmzTlHGbYdqqBhTeTLmfFuvbICHwUxpeIts2ilbLfw 06/ABRLD/vLSsH1ewNN3zca9VKlBgkyEEWQz1M0vJ4W9qfu6+AKuqBKqej59yUksH5IT eMsYR86MqkHfuoX+UVtue+m28tXOamjsgWZJaWSF7Y7ke8I9FXDbih/bPJxLkDkdBZC0 gK9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=oqb3porLNx+xL8LPszd6cBs+HKnYfYssZ8m+DqN9VEA=; b=L1kSWXLTXnxJbu/Yn03IkHnGm9HZrwO1Xthdjj7qIhaR1xv+K3cRVdDqaV95VSuP57 ohY4PRkPE9wCMh/et3HbCP5BvjfpgEczCwD47qbtjLgI5Exqf6HqdJMCtqCu4T259acf uIKV+SfwoDwh35NAhKyHFsKFogd1Gf4liwxPnQpVcdMgI9TKgjYn8eyitM5AYy/omixK T7eQWT3SXmI+50dbBjK6SRuOusoGeHqIT4kB98aZg1GkE0QQClLoQZH1Q5QHUXBF2e9Y 3b9zpJG1qbq1zwB4zZIp95BannCX1oR3ril6v7yy8NJhAJBTzTsI+yVgxH7F6ILUAVjP WBIg== X-Gm-Message-State: AOAM5317bzEFbjPfUPqHfglBVONHIkaCrWmlVyCyimP7dgYc41OPeedS SKsI08m3Z5FiIEcGeoolUl2I+9lQhtkRu2a75ney5g== X-Google-Smtp-Source: ABdhPJyY1HDRNDcRGH2Y8HwDgStmoOsQvc5QbGqYHkwVCXfhTw8Oky+Gr6lvVhzr2CXUzxeJWT5FMQtyKlZBVm29bSw= X-Received: by 2002:ac8:584a:: with SMTP id h10mr866476qth.615.1642015554496; Wed, 12 Jan 2022 11:25:54 -0800 (PST) MIME-Version: 1.0 References: <20220112113247.29135-1-allen-kh.cheng@mediatek.com> <20220112113247.29135-2-allen-kh.cheng@mediatek.com> In-Reply-To: <20220112113247.29135-2-allen-kh.cheng@mediatek.com> From: Curtis Malainey Date: Wed, 12 Jan 2022 11:25:42 -0800 Message-ID: Subject: Re: [PATCH v2 1/1] firmware: mediatek: add adsp ipc protocol interface To: "allen-kh.cheng" Cc: Matthias Brugger , Mark Brown , Kevin Hilman , Linux-ALSA , Tzung-Bi Shih , Pierre-Louis Bossart , Liam Girdwood , Ranjani Sridharan , Kai Vehmanen , Daniel Baluta , Jaroslav Kysela , Takashi Iwai , Project_Global_Chrome_Upstream_Group@mediatek.com, Linux Kernel Mailing List , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, sound-open-firmware@alsa-project.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Jan 12, 2022 at 3:43 AM allen-kh.cheng wrote: > > From: Allen-KH Cheng > > Some of mediatek processors contain > the Tensilica HiFix DSP for audio processing. > > The communication between Host CPU and DSP firmware is > taking place using a shared memory area for message passing. > > ADSP IPC protocol offers (send/recv) interfaces using > mediatek-mailbox APIs. > > We use two mbox channels to implement a request-reply protocol. > > Reviewed-by: Tzung-Bi Shih > Signed-off-by: Allen-KH Cheng Reviewed-by: Curtis Malainey