diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
new file mode 100644
index 0000000..d3fd481
--- /dev/null
+++ b/include/media/v4l2-common.h
@@ -0,0 +1,110 @@
+/*
+    v4l2 common internal API header
+
+    This header contains internal shared ioctl definitions for use by the
+    internal low-level v4l2 drivers.
+    Each ioctl begins with VIDIOC_INT_ to clearly mark that it is an internal
+    define,
+
+    Copyright (C) 2005  Hans Verkuil <hverkuil@xs4all.nl>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef V4L2_COMMON_H_
+#define V4L2_COMMON_H_
+
+/* VIDIOC_INT_AUDIO_CLOCK_FREQ */
+enum v4l2_audio_clock_freq {
+	V4L2_AUDCLK_32_KHZ  = 32000,
+	V4L2_AUDCLK_441_KHZ = 44100,
+	V4L2_AUDCLK_48_KHZ  = 48000,
+};
+
+/* VIDIOC_INT_G_REGISTER and VIDIOC_INT_S_REGISTER */
+struct v4l2_register {
+	u32 i2c_id; 		/* I2C driver ID of the I2C chip. 0 for the I2C adapter. */
+	unsigned long reg;
+	u32 val;
+};
+
+/* VIDIOC_INT_DECODE_VBI_LINE */
+struct v4l2_decode_vbi_line {
+	u32 is_second_field;	/* Set to 0 for the first (odd) field,
+				   set to 1 for the second (even) field. */
+	u8 *p; 			/* Pointer to the sliced VBI data from the decoder.
+				   On exit points to the start of the payload. */
+	u32 line;		/* Line number of the sliced VBI data (1-23) */
+	u32 type;		/* VBI service type (V4L2_SLICED_*). 0 if no service found */
+};
+
+/* VIDIOC_INT_G_CHIP_IDENT: identifies the actual chip installed on the board */
+enum v4l2_chip_ident {
+	/* general idents: reserved range 0-49 */
+	V4L2_IDENT_UNKNOWN = 0,
+
+	/* module saa7115: reserved range 100-149 */
+	V4L2_IDENT_SAA7114 = 104,
+	V4L2_IDENT_SAA7115 = 105,
+
+	/* module saa7127: reserved range 150-199 */
+	V4L2_IDENT_SAA7127 = 157,
+	V4L2_IDENT_SAA7129 = 159,
+
+	/* module cx25840: reserved range 200-249 */
+	V4L2_IDENT_CX25840 = 240,
+	V4L2_IDENT_CX25841 = 241,
+	V4L2_IDENT_CX25842 = 242,
+	V4L2_IDENT_CX25843 = 243,
+};
+
+/* only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
+#define	VIDIOC_INT_S_REGISTER 		_IOR ('d', 100, struct v4l2_register)
+#define	VIDIOC_INT_G_REGISTER 		_IOWR('d', 101, struct v4l2_register)
+
+/* Reset the I2C chip */
+#define VIDIOC_INT_RESET            	_IO  ('d', 102)
+
+/* Set the frequency of the audio clock output.
+   Used to slave an audio processor to the video decoder, ensuring that audio
+   and video remain synchronized. */
+#define VIDIOC_INT_AUDIO_CLOCK_FREQ 	_IOR ('d', 103, enum v4l2_audio_clock_freq)
+
+/* Video decoders that support sliced VBI need to implement this ioctl.
+   Field p of the v4l2_sliced_vbi_line struct is set to the start of the VBI
+   data that was generated by the decoder. The driver then parses the sliced
+   VBI data and sets the other fields in the struct accordingly. The pointer p
+   is updated to point to the start of the payload which can be copied
+   verbatim into the data field of the v4l2_sliced_vbi_data struct. If no
+   valid VBI data was found, then the type field is set to 0 on return. */
+#define VIDIOC_INT_DECODE_VBI_LINE  	_IOWR('d', 104, struct v4l2_decode_vbi_line)
+
+/* Used to generate VBI signals on a video signal. v4l2_sliced_vbi_data is
+   filled with the data packets that should be output. Note that if you set
+   the line field to 0, then that VBI signal is disabled. */
+#define VIDIOC_INT_S_VBI_DATA 		_IOW ('d', 105, struct v4l2_sliced_vbi_data)
+
+/* Used to obtain the sliced VBI packet from a readback register. Not all
+   video decoders support this. If no data is available because the readback
+   register contains invalid or erroneous data -EIO is returned. Note that
+   you must fill in the 'id' member and the 'field' member (to determine
+   whether CC data from the first or second field should be obtained). */
+#define VIDIOC_INT_G_VBI_DATA 		_IOWR('d', 106, struct v4l2_sliced_vbi_data *)
+
+/* Returns the chip identifier or V4L2_IDENT_UNKNOWN if no identification can
+   be made. */
+#define VIDIOC_INT_G_CHIP_IDENT		_IOR ('d', 107, enum v4l2_chip_ident *)
+
+#endif /* V4L2_COMMON_H_ */