doc_rst: rename the media Sphinx suff to Documentation/media

The name of the subsystem is "media", and not "linux_tv". Also,
as we plan to add other stuff there in the future, let's
rename also the media uAPI book to media_uapi, to make it
clearer.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 135 insertions, 0 deletions

diff --git a/Documentation/media/uapi/v4l/v4l2-selection-targets.rst b/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
new file mode 100644
index 000000000000..7519099a50cd
--- /dev/null
+++ b/Documentation/media/uapi/v4l/v4l2-selection-targets.rst
@@ -0,0 +1,135 @@
+.. -*- coding: utf-8; mode: rst -*-
+
+.. _v4l2-selection-targets:
+
+*****************
+Selection targets
+*****************
+
+The precise meaning of the selection targets may be dependent on which
+of the two interfaces they are used.
+
+
+.. _v4l2-selection-targets-table:
+
+.. flat-table:: Selection target definitions
+    :header-rows:  1
+    :stub-columns: 0
+
+
+    -  .. row 1
+
+       -  Target name
+
+       -  id
+
+       -  Definition
+
+       -  Valid for V4L2
+
+       -  Valid for V4L2 subdev
+
+    -  .. row 2
+
+       -  ``V4L2_SEL_TGT_CROP``
+
+       -  0x0000
+
+       -  Crop rectangle. Defines the cropped area.
+
+       -  Yes
+
+       -  Yes
+
+    -  .. row 3
+
+       -  ``V4L2_SEL_TGT_CROP_DEFAULT``
+
+       -  0x0001
+
+       -  Suggested cropping rectangle that covers the "whole picture".
+
+       -  Yes
+
+       -  No
+
+    -  .. row 4
+
+       -  ``V4L2_SEL_TGT_CROP_BOUNDS``
+
+       -  0x0002
+
+       -  Bounds of the crop rectangle. All valid crop rectangles fit inside
+	  the crop bounds rectangle.
+
+       -  Yes
+
+       -  Yes
+
+    -  .. row 5
+
+       -  ``V4L2_SEL_TGT_NATIVE_SIZE``
+
+       -  0x0003
+
+       -  The native size of the device, e.g. a sensor's pixel array.
+	  ``left`` and ``top`` fields are zero for this target. Setting the
+	  native size will generally only make sense for memory to memory
+	  devices where the software can create a canvas of a given size in
+	  which for example a video frame can be composed. In that case
+	  V4L2_SEL_TGT_NATIVE_SIZE can be used to configure the size of
+	  that canvas.
+
+       -  Yes
+
+       -  Yes
+
+    -  .. row 6
+
+       -  ``V4L2_SEL_TGT_COMPOSE``
+
+       -  0x0100
+
+       -  Compose rectangle. Used to configure scaling and composition.
+
+       -  Yes
+
+       -  Yes
+
+    -  .. row 7
+
+       -  ``V4L2_SEL_TGT_COMPOSE_DEFAULT``
+
+       -  0x0101
+
+       -  Suggested composition rectangle that covers the "whole picture".
+
+       -  Yes
+
+       -  No
+
+    -  .. row 8
+
+       -  ``V4L2_SEL_TGT_COMPOSE_BOUNDS``
+
+       -  0x0102
+
+       -  Bounds of the compose rectangle. All valid compose rectangles fit
+	  inside the compose bounds rectangle.
+
+       -  Yes
+
+       -  Yes
+
+    -  .. row 9
+
+       -  ``V4L2_SEL_TGT_COMPOSE_PADDED``
+
+       -  0x0103
+
+       -  The active area and all padding pixels that are inserted or
+	  modified by hardware.
+
+       -  Yes
+
+       -  No