MLK-11519-1 media: forward mxc video output drivers to 4.1 kernel

Forward imx_3.14.y mxc video output drivers to 4.1 kernel.

The priv field of v4l2_pix_format is used to expand colorspace,
and can not use to pass IPU input crop size.
Add private IOCTL VIDIOC_S_INPUT_CROP and VIDIOC_G_INPUT_CROP
to pass input crop size.

Signed-off-by: Sandor Yu <R01008@freescale.com>

drivers/media/platform/mxc/output/Kconfig

@@ -1,3 +1,9 @@
+config VIDEO_MXC_IPU_OUTPUT
+	tristate "IPU v4l2 output support"
+	depends on VIDEO_MXC_OUTPUT && MXC_IPU
+	---help---
+	This is the video4linux2 driver for IPU post processing video output.
+
 config VIDEO_MXC_PXP_V4L2
         tristate "MXC PxP V4L2 driver"
         depends on VIDEO_DEV && VIDEO_V4L2

drivers/media/platform/mxc/output/Makefile

@@ -1 +1,2 @@
+obj-$(CONFIG_VIDEO_MXC_IPU_OUTPUT) += mxc_vout.o
 obj-$(CONFIG_VIDEO_MXC_PXP_V4L2)   += mxc_pxp_v4l2.o

include/linux/mxc_v4l2.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2004-2015 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU Lesser General
+ * Public License.  You may obtain a copy of the GNU Lesser General
+ * Public License Version 2.1 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/lgpl-license.html
+ * http://www.gnu.org/copyleft/lgpl.html
+ */
+
+/*!
+ * @file linux/mxc_v4l2.h
+ *
+ * @brief MXC V4L2 private header file
+ *
+ * @ingroup MXC V4L2
+ */
+
+#ifndef __LINUX_MXC_V4L2_H__
+#define __LINUX_MXC_V4L2_H__
+
+#include <uapi/linux/mxc_v4l2.h>
+
+#endif

include/uapi/linux/mxc_v4l2.h

@@ -53,4 +53,15 @@ struct v4l2_mxc_offset {
 	uint32_t v_offset;
 };
 
+/*
+ * Private IOCTLs
+ *
+ * VIDIOC_S_INOUT_CROP: Set input stream crop size
+ * VIDIOC_G_INOUT_CROP: Get input stream crop size
+ */
+#define VIDIOC_S_INPUT_CROP \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct v4l2_crop)
+#define VIDIOC_G_INPUT_CROP \
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 2, struct v4l2_crop)
+
 #endif