linux-kernel - Re: [PATCH 06/14] media: sun4i-csi: Add support for A10 CSI1 camera sensor interface

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 16 Dec 2019 14:38:36 +0100
From:   Maxime Ripard <mripard@...nel.org>
To:     Chen-Yu Tsai <wens@...nel.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chen-Yu Tsai <wens@...e.org>
Subject: Re: [PATCH 06/14] media: sun4i-csi: Add support for A10 CSI1 camera
 sensor interface

On Mon, Dec 16, 2019 at 12:59:16AM +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@...e.org>
>
> The A10/A20 Allwinner SoCs have two camera sensor interface blocks,
> named CSI0 and CSI1. The two have the same register layouts with
> slightly different features:
>
>   - CSI0 has an image signal processor (ISP); CSI1 doesn't
>
>   - CSI0 can support up to four separate channels under CCIR656;
>     CSI1 can only support one
>
>   - CSI0 can support up to 16-bit wide bus with YUV422;
>     CSI1 can support up to 24-bit wide bus with YUV444
>
> For now the driver doesn't support wide busses, nor CCIR656. So the
> only relevant difference is whether a clock needs to be taken and
> enabled for the ISP.
>
> Add structs to record the differences, tie them to the compatible
> strings, and deal with the ISP clock. Support for the new CSI1
> hardware block is added as well.
>
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Acked-by: Maxime Ripard <mripard@...nel.org>

Thanks!
Maxime

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)