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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-07-18 01:58:16 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-07-18 02:00:28 +0200
commitd70957afea75b978ffd08a587ad8174441f3dc58 (patch)
tree4b6d02992303eee1a216f1fa5d878bdbe158be2d /src/linux/v4l2-common.h
parentce4ba0626e4b2a4c84bf30a1dbf8a399ee0ff252 (diff)
Add a copy of V4L2 kernel headers
To make compilation possible on older (< v3.6) kernels, include a private copy of the V4L2 headers. API availability is checked and handled at runtime. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'src/linux/v4l2-common.h')
-rw-r--r--src/linux/v4l2-common.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/linux/v4l2-common.h b/src/linux/v4l2-common.h
new file mode 100644
index 0000000..0fa8b64
--- /dev/null
+++ b/src/linux/v4l2-common.h
@@ -0,0 +1,71 @@
+/*
+ * include/linux/v4l2-common.h
+ *
+ * Common V4L2 and V4L2 subdev definitions.
+ *
+ * Users are advised to #include this file either through videodev2.h
+ * (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
+ * to this file directly.
+ *
+ * Copyright (C) 2012 Nokia Corporation
+ * Contact: Sakari Ailus <sakari.ailus@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __V4L2_COMMON__
+#define __V4L2_COMMON__
+
+/*
+ *
+ * Selection interface definitions
+ *
+ */
+
+/* Current cropping area */
+#define V4L2_SEL_TGT_CROP 0x0000
+/* Default cropping area */
+#define V4L2_SEL_TGT_CROP_DEFAULT 0x0001
+/* Cropping bounds */
+#define V4L2_SEL_TGT_CROP_BOUNDS 0x0002
+/* Current composing area */
+#define V4L2_SEL_TGT_COMPOSE 0x0100
+/* Default composing area */
+#define V4L2_SEL_TGT_COMPOSE_DEFAULT 0x0101
+/* Composing bounds */
+#define V4L2_SEL_TGT_COMPOSE_BOUNDS 0x0102
+/* Current composing area plus all padding pixels */
+#define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103
+
+/* Backward compatibility target definitions --- to be removed. */
+#define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
+#define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
+#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL \
+ V4L2_SEL_TGT_CROP
+#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL \
+ V4L2_SEL_TGT_COMPOSE
+
+/* Selection flags */
+#define V4L2_SEL_FLAG_GE (1 << 0)
+#define V4L2_SEL_FLAG_LE (1 << 1)
+#define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
+
+/* Backward compatibility flag definitions --- to be removed. */
+#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
+#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
+#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
+
+#endif /* __V4L2_COMMON__ */