@@ -16,6 +16,7 @@ These formats are used for the :ref:`metadata` interface only.
metafmt-generic
metafmt-intel-ipu3
metafmt-pisp-be
+ metafmt-pisp-fe
metafmt-rkisp1
metafmt-uvc
metafmt-vivid
new file mode 100644
@@ -0,0 +1,39 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. _v4l2-meta-fmt-rpi-fe-cfg:
+
+************************
+V4L2_META_FMT_RPI_FE_CFG
+************************
+
+Raspberry Pi PiSP Front End configuration format
+================================================
+
+The Raspberry Pi PiSP Front End image signal processor is configured by
+userspace by providing a buffer of configuration parameters to the
+`rp1-cfe-fe-config` output video device node using the
+:c:type:`v4l2_meta_format` interface.
+
+The `Raspberry Pi PiSP technical specification
+<https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf>`_
+provide detailed description of the Front End configuration and programming
+model.
+
+.. _v4l2-meta-fmt-rpi-fe-stats:
+
+**************************
+V4L2_META_FMT_RPI_FE_STATS
+**************************
+
+Raspberry Pi PiSP Front End statistics format
+=============================================
+
+The Raspberry Pi PiSP Front End image signal processor provides statistics data
+by writing to a buffer provided via the `rp1-cfe-fe-stats` capture video device
+node using the
+:c:type:`v4l2_meta_format` interface.
+
+The `Raspberry Pi PiSP technical specification
+<https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf>`_
+provide detailed description of the Front End configuration and programming
+model.
@@ -1466,6 +1466,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_Y212: descr = "12-bit YUYV Packed"; break;
case V4L2_PIX_FMT_Y216: descr = "16-bit YUYV Packed"; break;
case V4L2_META_FMT_RPI_BE_CFG: descr = "RPi PiSP BE Config format"; break;
+ case V4L2_META_FMT_RPI_FE_CFG: descr = "RPi PiSP FE Config format"; break;
+ case V4L2_META_FMT_RPI_FE_STATS: descr = "RPi PiSP FE Statistics format"; break;
case V4L2_META_FMT_GENERIC_8: descr = "8-bit Generic Metadata"; break;
case V4L2_META_FMT_GENERIC_CSI2_10: descr = "8-bit Generic Meta, 10b CSI-2"; break;
case V4L2_META_FMT_GENERIC_CSI2_12: descr = "8-bit Generic Meta, 12b CSI-2"; break;
@@ -857,6 +857,8 @@ 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 */
+#define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */
+#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */
#ifdef __KERNEL__
/*
Add two meta formats for PiSP FE: V4L2_META_FMT_RPI_FE_CFG and V4L2_META_FMT_RPI_FE_STATS. The former is used to provide configuration for the FE and the latter is used to read the statistics from the FE. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> --- .../userspace-api/media/v4l/meta-formats.rst | 1 + .../userspace-api/media/v4l/metafmt-pisp-fe.rst | 39 ++++++++++++++++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++ include/uapi/linux/videodev2.h | 2 ++ 4 files changed, 44 insertions(+)