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

From: Pierre-Louis Bossart
Date: Thu Jan 13 2022 - 13:40:39 EST




On 1/13/22 2:22 AM, allen-kh.cheng wrote:
> From: Allen-KH Cheng <Allen-KH.Cheng@xxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxx>
> Reviewed-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
> Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@xxxxxxxxxxxx>

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>