Re: [PATCH v9 1/4] media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format

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On 11/6/19 10:22 AM, Hans Verkuil (hansverk) wrote:
> On 11/6/19 1:01 PM, Helen Koike wrote:
>> From: Shunqian Zheng <zhengsq@xxxxxxxxxxxxxx>
>>
>> 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@xxxxxxxxxxxxxx>
>> Signed-off-by: Jacob Chen <jacob2.chen@xxxxxxxxxxxxxx>
>> Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> 
> I acked this? It is missing documentation for these new formats.

I think so https://www.spinics.net/lists/linux-rockchip/msg18999.html :)

I'll update the docs and the fixes you pointed below.

Thanks.
Helen

> 
>> [refactored for upstream]
>> Signed-off-by: Helen Koike <helen.koike@xxxxxxxxxxxxx>
>> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>>
>> ---
>>
>> Changes in v9:
>> - Add reviewed-by tag from Laurent
>>
>> Changes in v8: None
>> Changes in v7:
>> - s/IPU3/RK_ISP1
>>
>>  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 315ac12c3e0a..ade990554caf 100644
>> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
>> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
>> @@ -1341,6 +1341,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
>>  	case V4L2_META_FMT_UVC:		descr = "UVC Payload Header Metadata"; break;
>>  	case V4L2_META_FMT_D4XX:	descr = "Intel D4xx UVC Metadata"; break;
>>  	case V4L2_META_FMT_VIVID:       descr = "Vivid Metadata"; break;
>> +	case V4L2_META_FMT_RK_ISP1_PARAMS:	descr = "Rockchip ISP1 3A params"; break;
> 
> params -> Params
> 
>> +	case V4L2_META_FMT_RK_ISP1_STAT_3A:	descr = "Rockchip ISP1 3A statistics"; break;
> 
> statistics -> Statistics
> 
>>  
>>  	default:
>>  		/* Compressed formats */
>> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
>> index f98bbcced8ff..56798b09cd85 100644
>> --- a/include/uapi/linux/videodev2.h
>> +++ b/include/uapi/linux/videodev2.h
>> @@ -762,6 +762,10 @@ struct v4l2_pix_format {
>>  #define V4L2_META_FMT_D4XX        v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
>>  #define V4L2_META_FMT_VIVID	  v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
>>  
>> +/* Vendor specific - used for 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
>>  
>>
> 
> Regards,
> 
> 	Hans
> 



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