linux-kernel - Re: [PATCH v5 01/16] media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format

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Message-ID: <72af4cf9-64a5-7f3a-2179-23077d3812b3@xs4all.nl>
Date:   Tue, 6 Feb 2018 13:54:02 +0100
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Shunqian Zheng <zhengsq@...k-chips.com>,
        linux-rockchip@...ts.infradead.org, linux-media@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        mchehab@...nel.org, sakari.ailus@...ux.intel.com,
        hans.verkuil@...co.com, tfiga@...omium.org,
        laurent.pinchart@...asonboard.com, zyc@...k-chips.com,
        eddie.cai.linux@...il.com, jeffy.chen@...k-chips.com,
        allon.huang@...k-chips.com, devicetree@...r.kernel.org,
        heiko@...ech.de, robh+dt@...nel.org, Joao.Pinto@...opsys.com,
        Luis.Oliveira@...opsys.com, Jose.Abreu@...opsys.com,
        jacob2.chen@...k-chips.com
Subject: Re: [PATCH v5 01/16] media: videodev2.h, v4l2-ioctl: add rkisp1 meta
 buffer format

On 12/29/17 08:52, Shunqian Zheng wrote:
> 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@...k-chips.com>
> Signed-off-by: Jacob Chen <jacob2.chen@...k-chips.com>

Acked-by: Hans Verkuil <hans.verkuil@...co.com>

Thanks!

	Hans

> ---
>  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 7961499..035fd22 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -1246,6 +1246,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
>  	case V4L2_TCH_FMT_TU08:		descr = "8-bit unsigned touch data"; break;
>  	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_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 1c095b5..c023c3a 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -689,6 +689,10 @@ struct v4l2_pix_format {
>  #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
>  #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
>  
> +/* Vendor specific - used for IPU3 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
>  
>