linux-kernel - Re: [PATCH v1 10/10] uapi: linux: add mediatek isp

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Message-ID: <ff96b314cdd3d52a14a5e91f79ec3097d04c4380.camel@mediatek.com>
Date: Mon, 14 Oct 2024 05:56:40 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: "sumit.semwal@...aro.org" <sumit.semwal@...aro.org>,
	"christian.koenig@....com" <christian.koenig@....com>, "mchehab@...nel.org"
	<mchehab@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"robh@...nel.org" <robh@...nel.org>, "matthias.bgg@...il.com"
	<matthias.bgg@...il.com>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Shu-hsiang Yang (楊舒翔)
	<Shu-hsiang.Yang@...iatek.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"yunkec@...omium.org" <yunkec@...omium.org>, "linaro-mm-sig@...ts.linaro.org"
	<linaro-mm-sig@...ts.linaro.org>, "linux-media@...r.kernel.org"
	<linux-media@...r.kernel.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, Yaya Chang (張雅清)
	<Yaya.Chang@...iatek.com>, Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Teddy Chen (陳乾元) <Teddy.Chen@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "hidenorik@...omium.org"
	<hidenorik@...omium.org>, Shun-Yi Wang (王順億)
	<Shun-Yi.Wang@...iatek.com>
Subject: Re: [PATCH v1 10/10] uapi: linux: add mediatek isp_7x camsys user api

Hi, Shu-hsiang:

On Wed, 2024-10-09 at 19:15 +0800, Shu-hsiang Yang wrote:
> Add UAPI for MediaTek ISP platform, providing user-space
> interfaces for the new camsys driver.
> 
> Signed-off-by: Shu-hsiang Yang <Shu-hsiang.Yang@...iatek.com>
> ---

[snip]

> +
> +/* MTK ISP camsys controls */
> +#define V4L2_CID_MTK_CAM_USED_ENGINE_LIMIT	(V4L2_CID_USER_MTK_CAM_BASE + 1)
> +#define V4L2_CID_MTK_CAM_BIN_LIMIT		(V4L2_CID_USER_MTK_CAM_BASE + 2)
> +#define V4L2_CID_MTK_CAM_FRZ_LIMIT		(V4L2_CID_USER_MTK_CAM_BASE + 3)
> +#define V4L2_CID_MTK_CAM_RESOURCE_PLAN_POLICY	(V4L2_CID_USER_MTK_CAM_BASE + 4)
> +#define V4L2_CID_MTK_CAM_USED_ENGINE		(V4L2_CID_USER_MTK_CAM_BASE + 5)
> +#define V4L2_CID_MTK_CAM_BIN			(V4L2_CID_USER_MTK_CAM_BASE + 6)
> +#define V4L2_CID_MTK_CAM_FRZ			(V4L2_CID_USER_MTK_CAM_BASE + 7)
> +#define V4L2_CID_MTK_CAM_USED_ENGINE_TRY	(V4L2_CID_USER_MTK_CAM_BASE + 8)
> +#define V4L2_CID_MTK_CAM_BIN_TRY		(V4L2_CID_USER_MTK_CAM_BASE + 9)
> +#define V4L2_CID_MTK_CAM_FRZ_TRY		(V4L2_CID_USER_MTK_CAM_BASE + 10)
> +#define V4L2_CID_MTK_CAM_PIXEL_RATE		(V4L2_CID_USER_MTK_CAM_BASE + 11)
> +#define V4L2_CID_MTK_CAM_FEATURE		(V4L2_CID_USER_MTK_CAM_BASE + 12)
> +#define V4L2_CID_MTK_CAM_SYNC_ID		(V4L2_CID_USER_MTK_CAM_BASE + 13)
> +#define V4L2_CID_MTK_CAM_RAW_PATH_SELECT	(V4L2_CID_USER_MTK_CAM_BASE + 14)
> +#define V4L2_CID_MTK_CAM_HSF_EN			(V4L2_CID_USER_MTK_CAM_BASE + 15)
> +#define V4L2_CID_MTK_CAM_PDE_INFO		(V4L2_CID_USER_MTK_CAM_BASE + 16)
> +#define V4L2_CID_MTK_CAM_MSTREAM_EXPOSURE	(V4L2_CID_USER_MTK_CAM_BASE + 17)
> +#define V4L2_CID_MTK_CAM_RAW_RESOURCE_CALC	(V4L2_CID_USER_MTK_CAM_BASE + 18)
> +#define V4L2_CID_MTK_CAM_TG_FLASH_CFG		(V4L2_CID_USER_MTK_CAM_BASE + 19)
> +#define V4L2_CID_MTK_CAM_RAW_RESOURCE_UPDATE	(V4L2_CID_USER_MTK_CAM_BASE + 20)
> +#define V4L2_CID_MTK_CAM_CAMSYS_HW_MODE		(V4L2_CID_USER_MTK_CAM_BASE + 21)
> +

Please give introduction of how to use these user space interface.

Regards,
CK