[v11,2/6] media: videodev2.h: add visconti viif meta buffer format

Message ID 20240709000848.1108788-3-yuji2.ishikawa@toshiba.co.jp (mailing list archive)
State Changes Requested
Delegated to: Hans Verkuil
Headers
Series Add Toshiba Visconti Video Input Interface driver |

Commit Message

Yuji Ishikawa July 9, 2024, 12:08 a.m. UTC
  Adds the Toshiba Visconti VIIF specific metadata format

- V4L2_META_FMT_VISCONTI_VIIF_PARAMS for ISP parameters
- V4L2_META_FMT_VISCONTI_VIIF_STATS for ISP statistics

Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>
---
Changelog v10:
- add entry for V4L2_META_FMT_VISCONTI_VIIF_PARAMS
- add entry for V4L2_META_FMT_VISCONTI_VIIF_STATS

Changelog v11:
- no change

 include/uapi/linux/videodev2.h | 4 ++++
 1 file changed, 4 insertions(+)
  

Comments

Laurent Pinchart July 22, 2024, 3:10 p.m. UTC | #1
Hi Ishikawa-san,

Thank you for the patch.

On Tue, Jul 09, 2024 at 09:08:44AM +0900, Yuji Ishikawa wrote:
> Adds the Toshiba Visconti VIIF specific metadata format
> 
> - V4L2_META_FMT_VISCONTI_VIIF_PARAMS for ISP parameters
> - V4L2_META_FMT_VISCONTI_VIIF_STATS for ISP statistics
> 
> Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>

This patch looks fine. Assuming the corresponding documentation patch is
fine too,

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
> Changelog v10:
> - add entry for V4L2_META_FMT_VISCONTI_VIIF_PARAMS
> - add entry for V4L2_META_FMT_VISCONTI_VIIF_STATS
> 
> Changelog v11:
> - no change
> 
>  include/uapi/linux/videodev2.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 4e91362da6..562038f144 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -858,6 +858,10 @@ struct v4l2_pix_format {
>  /* Vendor specific - used for RaspberryPi PiSP */
>  #define V4L2_META_FMT_RPI_BE_CFG	v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
>  
> +/* Vendor specific - used for Visconti VIIF sub-system */
> +#define V4L2_META_FMT_VISCONTI_VIIF_PARAMS	v4l2_fourcc('V', 'I', 'F', 'P') /* ISP Params */
> +#define V4L2_META_FMT_VISCONTI_VIIF_STATS	v4l2_fourcc('V', 'I', 'F', 'S') /* ISP Stats */
> +
>  #ifdef __KERNEL__
>  /*
>   * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
  
Laurent Pinchart July 22, 2024, 3:12 p.m. UTC | #2
On Mon, Jul 22, 2024 at 06:10:37PM +0300, Laurent Pinchart wrote:
> Hi Ishikawa-san,
> 
> Thank you for the patch.
> 
> On Tue, Jul 09, 2024 at 09:08:44AM +0900, Yuji Ishikawa wrote:
> > Adds the Toshiba Visconti VIIF specific metadata format
> > 
> > - V4L2_META_FMT_VISCONTI_VIIF_PARAMS for ISP parameters
> > - V4L2_META_FMT_VISCONTI_VIIF_STATS for ISP statistics
> > 
> > Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>
> 
> This patch looks fine. Assuming the corresponding documentation patch is
> fine too,
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Actually I spoke a bit too fast, you need to update
drivers/media/v4l2-core/v4l2-ioctl.c with the two new formats. See
commit 8f6c2202222fa for an example.

> > ---
> > Changelog v10:
> > - add entry for V4L2_META_FMT_VISCONTI_VIIF_PARAMS
> > - add entry for V4L2_META_FMT_VISCONTI_VIIF_STATS
> > 
> > Changelog v11:
> > - no change
> > 
> >  include/uapi/linux/videodev2.h | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> > index 4e91362da6..562038f144 100644
> > --- a/include/uapi/linux/videodev2.h
> > +++ b/include/uapi/linux/videodev2.h
> > @@ -858,6 +858,10 @@ struct v4l2_pix_format {
> >  /* Vendor specific - used for RaspberryPi PiSP */
> >  #define V4L2_META_FMT_RPI_BE_CFG	v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
> >  
> > +/* Vendor specific - used for Visconti VIIF sub-system */
> > +#define V4L2_META_FMT_VISCONTI_VIIF_PARAMS	v4l2_fourcc('V', 'I', 'F', 'P') /* ISP Params */
> > +#define V4L2_META_FMT_VISCONTI_VIIF_STATS	v4l2_fourcc('V', 'I', 'F', 'S') /* ISP Stats */
> > +
> >  #ifdef __KERNEL__
> >  /*
> >   * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
  
Yuji Ishikawa Aug. 1, 2024, 9:20 a.m. UTC | #3
Hello Laurent,

Thank you for your review comments.

> -----Original Message-----
> From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Sent: Tuesday, July 23, 2024 12:12 AM
> To: ishikawa yuji(石川 悠司 ○RDC□AITC○EA開)
> <yuji2.ishikawa@toshiba.co.jp>
> Cc: Hans Verkuil <hverkuil@xs4all.nl>; Mauro Carvalho Chehab
> <mchehab@kernel.org>; Rob Herring <robh@kernel.org>; Krzysztof Kozlowski
> <krzk+dt@kernel.org>; Conor Dooley <conor+dt@kernel.org>; Mark Brown
> <broonie@kernel.org>; Sakari Ailus <sakari.ailus@linux.intel.com>; iwamatsu
> nobuhiro(岩松 信洋 ○DITC□DIT○OST)
> <nobuhiro1.iwamatsu@toshiba.co.jp>; linux-media@vger.kernel.org;
> devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v11 2/6] media: videodev2.h: add visconti viif meta buffer
> format
> 
> On Mon, Jul 22, 2024 at 06:10:37PM +0300, Laurent Pinchart wrote:
> > Hi Ishikawa-san,
> >
> > Thank you for the patch.
> >
> > On Tue, Jul 09, 2024 at 09:08:44AM +0900, Yuji Ishikawa wrote:
> > > Adds the Toshiba Visconti VIIF specific metadata format
> > >
> > > - V4L2_META_FMT_VISCONTI_VIIF_PARAMS for ISP parameters
> > > - V4L2_META_FMT_VISCONTI_VIIF_STATS for ISP statistics
> > >
> > > Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>
> >
> > This patch looks fine. Assuming the corresponding documentation patch
> > is fine too,
> >
> > Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> 
> Actually I spoke a bit too fast, you need to update
> drivers/media/v4l2-core/v4l2-ioctl.c with the two new formats. See commit
> 8f6c2202222fa for an example.
> 

I'll add some operations to v4l_fill_fmtdesc() as described in the specified patch.

> > > ---
> > > Changelog v10:
> > > - add entry for V4L2_META_FMT_VISCONTI_VIIF_PARAMS
> > > - add entry for V4L2_META_FMT_VISCONTI_VIIF_STATS
> > >
> > > Changelog v11:
> > > - no change
> > >
> > >  include/uapi/linux/videodev2.h | 4 ++++
> > >  1 file changed, 4 insertions(+)
> > >
> > > diff --git a/include/uapi/linux/videodev2.h
> > > b/include/uapi/linux/videodev2.h index 4e91362da6..562038f144 100644
> > > --- a/include/uapi/linux/videodev2.h
> > > +++ b/include/uapi/linux/videodev2.h
> > > @@ -858,6 +858,10 @@ struct v4l2_pix_format {
> > >  /* Vendor specific - used for RaspberryPi PiSP */
> > >  #define V4L2_META_FMT_RPI_BE_CFG	v4l2_fourcc('R', 'P', 'B', 'C') /*
> PiSP BE configuration */
> > >
> > > +/* Vendor specific - used for Visconti VIIF sub-system */
> > > +#define V4L2_META_FMT_VISCONTI_VIIF_PARAMS
> 	v4l2_fourcc('V', 'I', 'F', 'P') /* ISP Params */
> > > +#define V4L2_META_FMT_VISCONTI_VIIF_STATS	v4l2_fourcc('V', 'I', 'F',
> 'S') /* ISP Stats */
> > > +
> > >  #ifdef __KERNEL__
> > >  /*
> > >   * Line-based metadata formats. Remember to update
> > > v4l_fill_fmtdesc() when
> 
> --
> Regards,
> 
> Laurent Pinchart

Regards,
Yuji Ishikawa
  

Patch

diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 4e91362da6..562038f144 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -858,6 +858,10 @@  struct v4l2_pix_format {
 /* Vendor specific - used for RaspberryPi PiSP */
 #define V4L2_META_FMT_RPI_BE_CFG	v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */
 
+/* Vendor specific - used for Visconti VIIF sub-system */
+#define V4L2_META_FMT_VISCONTI_VIIF_PARAMS	v4l2_fourcc('V', 'I', 'F', 'P') /* ISP Params */
+#define V4L2_META_FMT_VISCONTI_VIIF_STATS	v4l2_fourcc('V', 'I', 'F', 'S') /* ISP Stats */
+
 #ifdef __KERNEL__
 /*
  * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when