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authorTomi Valkeinen <tomi.valkeinen@ideasonboard.com>2021-12-21 13:20:53 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-01-22 11:38:20 +0300
commit2f91e10ee6fd4c0c4abba4d36c013a93560cf514 (patch)
tree6899297490dc5476597b5d236e57e0c50b602603 /Documentation/userspace-api
parent70283e99a90b105173a05e8a8ebc78322b1127b5 (diff)
downloadlinux-2f91e10ee6fd4c0c4abba4d36c013a93560cf514.tar.xz
media: subdev: add stream based configuration
Add support to manage configurations (format, crop, compose) per stream, instead of per pad. This is accomplished with data structures that hold an array of all subdev's stream configurations. The number of streams can vary at runtime based on routing. Every time the routing is changed, the stream configurations need to be re-initialized. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/userspace-api')
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-interval.rst5
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-size.rst5
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-enum-mbus-code.rst5
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst5
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-g-fmt.rst5
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst5
-rw-r--r--Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst5
7 files changed, 28 insertions, 7 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-interval.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-interval.rst
index 3703943b412f..8def4c05d3da 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-interval.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-interval.rst
@@ -92,7 +92,10 @@ multiple pads of the same sub-device is not defined.
- Frame intervals to be enumerated, from enum
:ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
* - __u32
- - ``reserved``\ [8]
+ - ``stream``
+ - Stream identifier.
+ * - __u32
+ - ``reserved``\ [7]
- Reserved for future extensions. Applications and drivers must set
the array to zero.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-size.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-size.rst
index c25a9896df0e..3ef361c0dca7 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-size.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-frame-size.rst
@@ -97,7 +97,10 @@ information about try formats.
- Frame sizes to be enumerated, from enum
:ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
* - __u32
- - ``reserved``\ [8]
+ - ``stream``
+ - Stream identifier.
+ * - __u32
+ - ``reserved``\ [7]
- Reserved for future extensions. Applications and drivers must set
the array to zero.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-mbus-code.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-mbus-code.rst
index 417f1a19bcc4..248f6f9ee7c5 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-mbus-code.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-enum-mbus-code.rst
@@ -73,7 +73,10 @@ information about the try formats.
- ``flags``
- See :ref:`v4l2-subdev-mbus-code-flags`
* - __u32
- - ``reserved``\ [7]
+ - ``stream``
+ - Stream identifier.
+ * - __u32
+ - ``reserved``\ [6]
- Reserved for future extensions. Applications and drivers must set
the array to zero.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst
index bd15c0a5a66b..1d267f7e7991 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst
@@ -96,7 +96,10 @@ modified format should be as close as possible to the original request.
- ``rect``
- Crop rectangle boundaries, in pixels.
* - __u32
- - ``reserved``\ [8]
+ - ``stream``
+ - Stream identifier.
+ * - __u32
+ - ``reserved``\ [7]
- Reserved for future extensions. Applications and drivers must set
the array to zero.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-fmt.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-fmt.rst
index 7acdbb939d89..ed253a1e44b7 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-fmt.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-fmt.rst
@@ -102,7 +102,10 @@ should be as close as possible to the original request.
- Definition of an image format, see :c:type:`v4l2_mbus_framefmt` for
details.
* - __u32
- - ``reserved``\ [8]
+ - ``stream``
+ - Stream identifier.
+ * - __u32
+ - ``reserved``\ [7]
- Reserved for future extensions. Applications and drivers must set
the array to zero.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst
index d7fe7543c506..842f962d2aea 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst
@@ -90,7 +90,10 @@ the same sub-device is not defined.
- ``interval``
- Period, in seconds, between consecutive video frames.
* - __u32
- - ``reserved``\ [9]
+ - ``stream``
+ - Stream identifier.
+ * - __u32
+ - ``reserved``\ [8]
- Reserved for future extensions. Applications and drivers must set
the array to zero.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst
index f9172a42f036..6b629c19168c 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-selection.rst
@@ -94,7 +94,10 @@ Selection targets and flags are documented in
- ``r``
- Selection rectangle, in pixels.
* - __u32
- - ``reserved``\ [8]
+ - ``stream``
+ - Stream identifier.
+ * - __u32
+ - ``reserved``\ [7]
- Reserved for future extensions. Applications and drivers must set
the array to zero.