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

[Pierre-Louis Bossart]

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

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>