linux-kernel - Re: [RFCv1 07/12] media: mtk-vcodec: abstract firmware interface

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Message-ID: <b4320740-a016-4a0e-b9ae-e042fd305b12@xs4all.nl>
Date:   Tue, 28 May 2019 11:16:11 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Alexandre Courbot <acourbot@...omium.org>,
        Yunfei Dong <yunfei.dong@...iatek.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-media@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFCv1 07/12] media: mtk-vcodec: abstract firmware interface

On 5/28/19 7:56 AM, Alexandre Courbot wrote:
> From: Yunfei Dong <yunfei.dong@...iatek.com>
> 
> MT8183's codec firwmare is run by a different remote processor from
> MT8173. While the firmware interface is basically the same, the way to
> invoke it differs. Abstract all firmware calls under a layer that will
> allow us to handle both firmware types transparently.
> 
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> Co-developed-by: Alexandre Courbot <acourbot@...omium.org>
> Signed-off-by: Alexandre Courbot <acourbot@...omium.org>
> [acourbot: refactor, cleanup and split]

High-level question: is the mt8183 firmware different from the MT8173?
And if so, is or will that firmware be part of linux-firmware?

Regards,

	Hans