[PATCH v2 1/1] firmware: mediatek: add adsp ipc protocol interface

[Curtis Malainey]

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

Reviewed-by: Curtis Malainey <cujomalainey at chromium.org>