linux-kernel - Re: [PATCH v6 1/1] firmware: mediatek: add adsp ipc protocol interface

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Date:   Mon, 31 Jan 2022 17:10:53 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     "allen-kh.cheng" <allen-kh.cheng@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Kevin Hilman <khilman@...libre.com>,
        Linux-ALSA <alsa-devel@...a-project.org>, tzungbi@...gle.com,
        Chen-Yu Tsai <wenst@...omium.org>, cujomalainey@...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@...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 v6 1/1] firmware: mediatek: add adsp ipc protocol
 interface

Il 28/01/22 12:18, allen-kh.cheng ha scritto:
> 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: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Curtis Malainey <cujomalainey@...omium.org>
> Reviewed-by: Tzung-Bi Shih <tzungbi@...gle.com>
> Reviewed-by: YC Hung <yc.hung@...iatek.com>
> Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@...iatek.com>


Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>