Re: [PATCH v6 01/17] media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format

Nicolas Dufresne
2019-04-26T20:34:10Z

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Le jeudi 08 mars 2018 à 17:47 +0800, Jacob Chen a écrit :
> From: Shunqian Zheng <zhengsq@rock-chips.com>
>
> Add the Rockchip ISP1 specific processing parameter format
> V4L2_META_FMT_RK_ISP1_PARAMS and metadata format
> V4L2_META_FMT_RK_ISP1_STAT_3A for 3A.
>
> Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>
> Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
> Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
> ---
> drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++
> include/uapi/linux/videodev2.h | 4 ++++
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
> index 1be54429d601..bdd469290d66 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -1257,6 +1257,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
> case V4L2_META_FMT_VSP1_HGO: descr = "R-Car VSP1 1-D Histogram"; break;
> case V4L2_META_FMT_VSP1_HGT: descr = "R-Car VSP1 2-D Histogram"; break;
> case V4L2_META_FMT_UVC: descr = "UVC payload header metadata"; break;
> + case V4L2_META_FMT_RK_ISP1_PARAMS: descr = "Rockchip ISP1 3A params"; break;
> + case V4L2_META_FMT_RK_ISP1_STAT_3A: descr = "Rockchip ISP1 3A statistics"; break;
>
> default:
> /* Compressed formats */
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index e20d10df75c1..359ad8bbf9bf 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -698,6 +698,10 @@ struct v4l2_pix_format {
> #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
> #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
>
> +/* Vendor specific - used for IPU3 camera sub-system */

Did you mean "RK_ISP1 camera sub-system" ?

> +#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 params */
> +#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A statistics */
> +
> /* priv field value to indicates that subsequent fields are valid. */
> #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
>

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