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diff --git a/include/media/upd64083.h b/include/media/upd64083.h
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+/*
+ * upd6408x - NEC Electronics 3-Dimensional Y/C separation input defines
+ *
+ * 2006 by 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef _UPD64083_H_
+#define _UPD64083_H_
+
+/* There are two bits of information that the driver needs in order
+   to select the correct routing: the operating mode and the selection
+   of the Y input (external or internal).
+
+   The first two operating modes expect a composite signal on the Y input,
+   the second two operating modes use both the Y and C inputs.
+
+   Normally YCS_MODE is used for tuner and composite inputs, and the
+   YCNR mode is used for S-Video inputs.
+
+   The external Y-ADC is selected when the composite input comes from a
+   upd64031a ghost reduction device. If this device is not present, or
+   the input is a S-Video signal, then the internal Y-ADC input should
+   be used. */
+
+/* Operating modes: */
+
+/* YCS mode: Y/C separation (burst locked clocking) */
+#define UPD64083_YCS_MODE      0
+/* YCS+ mode: 2D Y/C separation and YCNR (burst locked clocking) */
+#define UPD64083_YCS_PLUS_MODE 1
+
+/* Note: the following two modes cannot be used in combination with the
+   external Y-ADC. */
+/* MNNR mode: frame comb type YNR+C delay (line locked clocking) */
+#define UPD64083_MNNR_MODE     2
+/* YCNR mode: frame recursive YCNR (burst locked clocking) */
+#define UPD64083_YCNR_MODE     3
+
+/* Select external Y-ADC: this should be set if this device is used in
+   combination with the upd64031a ghost reduction device.
+   Otherwise leave at 0 (use internal Y-ADC). */
+#define UPD64083_EXT_Y_ADC     (1 << 2)
+
+#endif
+