linux-kernel - Re: [PATCH v2 1/1] firmware: mediatek: add adsp ipc protocol interface

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Message-ID: <CAOReqxga6hLXs4P2hD1k_X01AWesQBae5AhJTLtiK_3Ndex_Sw@mail.gmail.com>
Date:   Wed, 12 Jan 2022 11:25:42 -0800
From:   Curtis Malainey <cujomalainey@...gle.com>
To:     "allen-kh.cheng" <allen-kh.cheng@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        Tzung-Bi Shih <tzungbi@...gle.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        sound-open-firmware@...a-project.org
Subject: Re: [PATCH v2 1/1] firmware: mediatek: add adsp ipc protocol interface

On Wed, Jan 12, 2022 at 3:43 AM allen-kh.cheng
<allen-kh.cheng@...iatek.com> wrote:
>
> From: Allen-KH Cheng <Allen-KH.Cheng@...iatek.com>
>
> 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 <tzungbi@...gle.com>
> Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@...iatek.com>

Reviewed-by: Curtis Malainey <cujomalainey@...omium.org>