diff options
| -rw-r--r-- | Documentation/userspace-api/media/v4l/meta-formats.rst | 1 | ||||
| -rw-r--r-- | Documentation/userspace-api/media/v4l/metafmt-uvc-msxu-1-5.rst | 23 | ||||
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvc_metadata.c | 4 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 1 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 1 | ||||
| -rw-r--r-- | include/uapi/linux/videodev2.h | 1 |
7 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/meta-formats.rst b/Documentation/userspace-api/media/v4l/meta-formats.rst index bb6876cfc271..0de80328c36b 100644 --- a/Documentation/userspace-api/media/v4l/meta-formats.rst +++ b/Documentation/userspace-api/media/v4l/meta-formats.rst @@ -20,6 +20,7 @@ These formats are used for the :ref:`metadata` interface only. metafmt-pisp-fe metafmt-rkisp1 metafmt-uvc + metafmt-uvc-msxu-1-5 metafmt-vivid metafmt-vsp1-hgo metafmt-vsp1-hgt diff --git a/Documentation/userspace-api/media/v4l/metafmt-uvc-msxu-1-5.rst b/Documentation/userspace-api/media/v4l/metafmt-uvc-msxu-1-5.rst new file mode 100644 index 000000000000..dd1c3076df24 --- /dev/null +++ b/Documentation/userspace-api/media/v4l/metafmt-uvc-msxu-1-5.rst @@ -0,0 +1,23 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _v4l2-meta-fmt-uvc-msxu-1-5: + +*********************************** +V4L2_META_FMT_UVC_MSXU_1_5 ('UVCM') +*********************************** + +Microsoft(R)'s UVC Payload Metadata. + + +Description +=========== + +V4L2_META_FMT_UVC_MSXU_1_5 buffers follow the metadata buffer layout of +V4L2_META_FMT_UVC with the only difference that it includes all the UVC +metadata in the `buffer[]` field, not just the first 2-12 bytes. + +The metadata format follows the specification from Microsoft(R) [1]. + +.. _1: + +[1] https://docs.microsoft.com/en-us/windows-hardware/drivers/stream/uvc-extensions-1-5 diff --git a/MAINTAINERS b/MAINTAINERS index 1ef99240a57e..5f69c82d53ee 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -25837,6 +25837,7 @@ S: Maintained W: http://www.ideasonboard.org/uvc/ T: git git://linuxtv.org/media.git F: Documentation/userspace-api/media/drivers/uvcvideo.rst +F: Documentation/userspace-api/media/v4l/metafmt-uvc-msxu-1-5.rst F: Documentation/userspace-api/media/v4l/metafmt-uvc.rst F: drivers/media/common/uvc.c F: drivers/media/usb/uvc/ diff --git a/drivers/media/usb/uvc/uvc_metadata.c b/drivers/media/usb/uvc/uvc_metadata.c index 58691df60dd3..d0ee139dbda7 100644 --- a/drivers/media/usb/uvc/uvc_metadata.c +++ b/drivers/media/usb/uvc/uvc_metadata.c @@ -189,6 +189,10 @@ void uvc_meta_init(struct uvc_device *dev) !WARN_ON(dev->info->meta_format == V4L2_META_FMT_UVC)) dev->meta_formats[i++] = dev->info->meta_format; + if (dev->quirks & UVC_QUIRK_MSXU_META && + !WARN_ON(dev->info->meta_format == V4L2_META_FMT_UVC_MSXU_1_5)) + dev->meta_formats[i++] = V4L2_META_FMT_UVC_MSXU_1_5; + /* IMPORTANT: for new meta-formats update UVC_MAX_META_DATA_FORMATS. */ dev->meta_formats[i++] = 0; } diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 81ec171fdfde..eb164d063199 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -77,6 +77,7 @@ #define UVC_QUIRK_DISABLE_AUTOSUSPEND 0x00008000 #define UVC_QUIRK_INVALID_DEVICE_SOF 0x00010000 #define UVC_QUIRK_MJPEG_NO_EOF 0x00020000 +#define UVC_QUIRK_MSXU_META 0x00040000 /* Format flags */ #define UVC_FMT_FLAG_COMPRESSED 0x00000001 diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 0db05f9c7117..46da373066f4 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1463,6 +1463,7 @@ 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_UVC_MSXU_1_5: descr = "UVC MSXU 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 Parameters"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 1bb1979f6c18..3dd9fa45dde1 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -867,6 +867,7 @@ 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 */ #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ +#define V4L2_META_FMT_UVC_MSXU_1_5 v4l2_fourcc('U', 'V', 'C', 'M') /* UVC MSXU metadata */ #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ /* Vendor specific - used for RK_ISP1 camera sub-system */ |