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diff --git a/src/xine-engine/nvtv/tv_common.h b/src/xine-engine/nvtv/tv_common.h
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+++ b/src/xine-engine/nvtv/tv_common.h
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+/* NVTV TV types header -- Dirk Thierbach <dthierbach@gmx.de>
+ *
+ * This file is part of nvtv, a tool for tv-output on NVidia cards.
+ * 
+ * nvtv 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.
+ * 
+ * nvtv 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
+ *
+ * $Id: tv_common.h,v 1.1 2003/01/18 15:29:22 miguelfreitas Exp $
+ *
+ * Contents:
+ *
+ * Header: Common tv-related data types and defines.
+ *
+ */
+
+#ifndef _TV_COMMON_H
+#define _TV_COMMON_H
+
+#include "xfree.h"
+#include "xf86i2c.h"
+#include "tv_chip.h"
+
+typedef struct _I2CChainRec *I2CChainPtr;
+typedef struct _I2CChainRec {
+  char          *name;
+  I2CDevPtr	dev;
+  I2CChainPtr	next;
+  TVChip        chip;
+} I2CChainRec;
+
+typedef struct _TvEncoderObj TVEncoderObj;
+
+struct _TvEncoderObj {
+  TVChip chip;
+  I2CDevPtr dev;
+  long minClock, maxClock; /* in kHz */
+  int hwconfig;
+  int hwstate;
+  void (*Create) (TVEncoderObj *this, TVChip chip, I2CDevPtr dev);
+  void (*InitRegs) (TVEncoderObj *this, int port);
+  void (*SetRegs) (TVEncoderObj *this, TVEncoderRegs *r, TVState state);
+  void (*SetPort) (TVEncoderObj *this, int port);
+  void (*SetState) (TVEncoderObj *this, TVEncoderRegs *r, TVState state);
+  TVConnect (*GetConnect) (TVEncoderObj *this);
+  long (*GetStatus) (TVEncoderObj *this, int index);
+};
+
+/* I2C Id of device for use in (s)printf */
+#define I2C_ID(dev) dev->pI2CBus->BusName+2,dev->SlaveAddr
+
+I2CChainPtr TVFindDevice (I2CChainPtr root, TVChip chip);
+I2CChainPtr TVCreateChain (I2CBusPtr busses[], int nbus, Bool all);
+
+void TVDestroyChain (I2CChainPtr root);
+void TVDestroyDevices (I2CBusPtr busses[], int nbus);
+void TVDestroyBusses (I2CBusPtr busses[], int nbus);
+
+void TVProbeDevice (I2CBusPtr bus, I2CSlaveAddr addr, char *format, ...);
+void TVProbeCreateKnown (I2CBusPtr busses[], int nbus, I2CChainPtr *chain);
+void TVProbeCreateAll (I2CBusPtr busses[], int nbus, I2CChainPtr *chain);
+
+void TVSetTvEncoder (TVEncoderObj *encoder, I2CChainPtr chain);
+
+TVChip TVDetectDeviceA (I2CDevPtr dev); /* for 0x88/0x8A */
+TVChip TVDetectDeviceB (I2CDevPtr dev); /* for 0xEA/0xEC */
+
+extern TVState tvState;
+
+#endif /* _TV_COMMON_H */