linux-kernel - Re: [PATCH v3 1/1] firmware: mediatek: add adsp ipc protocol interface

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Date:   Thu, 13 Jan 2022 12:40:33 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     "allen-kh.cheng" <allen-kh.cheng@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Linux-ALSA <alsa-devel@...a-project.org>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        cujomalainey@...gle.com, Kevin Hilman <khilman@...libre.com>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        tzungbi@...gle.com, linux-mediatek@...ts.infradead.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        linux-kernel@...r.kernel.org, sound-open-firmware@...a-project.org
Subject: Re: [PATCH v3 1/1] firmware: mediatek: add adsp ipc protocol
 interface



On 1/13/22 2:22 AM, allen-kh.cheng 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: Curtis Malainey <cujomalainey@...omium.org>
> Reviewed-by: Tzung-Bi Shih <tzungbi@...gle.com>
> Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@...iatek.com>

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>