* Re: [PATCH v3 1/1] firmware: mediatek: add adsp ipc protocol interface
[not found] ` <20220113082234.29013-2-allen-kh.cheng@mediatek.com>
@ 2022-01-13 18:40 ` Pierre-Louis Bossart
0 siblings, 0 replies; only message in thread
From: Pierre-Louis Bossart @ 2022-01-13 18:40 UTC (permalink / raw)
To: allen-kh.cheng, Matthias Brugger, Mark Brown
Cc: linux-arm-kernel, devicetree, Linux-ALSA, Kai Vehmanen,
cujomalainey, Kevin Hilman, Takashi Iwai, Liam Girdwood,
Project_Global_Chrome_Upstream_Group, tzungbi, linux-mediatek,
Ranjani Sridharan, Daniel Baluta, linux-kernel,
sound-open-firmware
On 1/13/22 2:22 AM, allen-kh.cheng wrote:
> From: Allen-KH Cheng <Allen-KH.Cheng@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@chromium.org>
> Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
> Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
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