Initial revision
diff --git a/include/video_ad7177.h b/include/video_ad7177.h
new file mode 100644
index 0000000..68a6b8d
--- /dev/null
+++ b/include/video_ad7177.h
@@ -0,0 +1,148 @@
+/*
+ * (C) Copyright 2000
+ * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 _VIDEO_AD7177_H_
+#define _VIDEO_AD7177_H_
+
+/*#define VIDEO_DEBUG_DISABLE_COLORS 0 */
+
+#define VIDEO_ENCODER_NAME "Analog Devices AD7177"
+
+#define VIDEO_ENCODER_I2C_RATE 100000 /* Max rate is 100Khz */
+#define VIDEO_ENCODER_CB_Y_CR_Y /* Use CB Y CR Y format... */
+
+#define VIDEO_MODE_YUYV /* The only mode supported by this encoder */
+#undef VIDEO_MODE_RGB
+#define VIDEO_MODE_BPP 16
+
+#ifdef VIDEO_MODE_PAL
+#define VIDEO_ACTIVE_COLS 720
+#define VIDEO_ACTIVE_ROWS 576
+#define VIDEO_VISIBLE_COLS 640
+#define VIDEO_VISIBLE_ROWS 480
+#endif
+
+#ifdef VIDEO_MODE_NTSC
+#define VIDEO_ACTIVE_COLS 720
+#define VIDEO_ACTIVE_ROWS 525
+#define VIDEO_VISIBLE_COLS 640
+#define VIDEO_VISIBLE_ROWS 400
+#endif
+
+static unsigned char
+ video_encoder_data[] = {
+#ifdef VIDEO_MODE_NTSC
+ 0x04, /* Mode Register 0 */
+#ifdef VIDEO_DEBUG_COLORBARS
+ 0xc2,
+#else
+ 0x42, /* Mode Register 1 */
+#endif
+ 0x16, /* Subcarrier Freq 0 */
+ 0x7c, /* Subcarrier Freq 1 */
+ 0xf0, /* Subcarrier Freq 2 */
+ 0x21, /* Subcarrier Freq 3 */
+ 0x00, /* Subcarrier phase */
+ 0x02, /* Timing Register 0 */
+ 0x00, /* Extended Captioning 0 */
+ 0x00, /* Extended Captioning 1 */
+ 0x00, /* Closed Captioning 0 */
+ 0x00, /* Closed Captioning 1 */
+ 0x00, /* Timing Register 1 */
+ 0x08, /* Mode Register 2 */
+ 0x00, /* Pedestal Register 0 */
+ 0x00, /* Pedestal Register 1 */
+ 0x00, /* Pedestal Register 2 */
+ 0x00, /* Pedestal Register 3 */
+ 0x08 /* Mode Register 3 */
+
+#endif
+#ifdef VIDEO_MODE_PAL
+#ifdef VIDEO_MODE_RGB_OUT
+
+ 0x69, /* Mode Register 0 */
+#ifdef VIDEO_DEBUG_COLORBARS
+ 0xc0, /* Mode Register 1 (c0) */
+#else
+ 0x40, /* Mode Register 1 (c0) */
+#endif
+ 0xcb, /* Subcarrier Freq 0 */
+ 0x8a, /* Subcarrier Freq 1 */
+ 0x09, /* Subcarrier Freq 2 */
+ 0x2a, /* Subcarrier Freq 3 */
+ 0x00, /* Subcarrier phase */
+ 0x02, /* Timing Register 0 */
+ 0x00, /* Extended Captioning 0 */
+ 0x00, /* Extended Captioning 1 */
+ 0x00, /* Closed Captioning 0 */
+ 0x00, /* Closed Captioning 1 */
+ 0x00, /* Timing Register 1 */
+ 0x28, /* Mode Register 2 */
+ 0x00, /* Pedestal Register 0 */
+ 0x00, /* Pedestal Register 1 */
+ 0x00, /* Pedestal Register 2 */
+ 0x00, /* Pedestal Register 3 */
+ 0x08 /* Mode Register 3 */
+
+#else
+
+ 0x09, /* Mode Register 0 (was 01) */
+#ifdef VIDEO_DEBUG_COLORBARS
+ 0xd8, /* */
+#else
+ 0x59, /* Mode Register 1 (was 58) */
+#endif
+ 0xcb, /* Subcarrier Freq 0 */
+ 0x8a, /* Subcarrier Freq 1 */
+ 0x09, /* Subcarrier Freq 2 */
+ 0x2a, /* Subcarrier Freq 3 */
+ 0x00, /* Subcarrier phase */
+ 0x02, /* Timing Register 0 (was a) */
+ 0x00, /* Extended Captioning 0 */
+ 0x00, /* Extended Captioning 1 */
+ 0x00, /* Closed Captioning 0 */
+ 0x00, /* Closed Captioning 1 */
+ 0x00, /* Timing Register 1 */
+#ifdef VIDEO_DEBUG_LOWPOWER
+#ifdef VIDEO_DEBUG_DISABLE_COLORS
+ 0x98, /* Mode Register 2 */
+#else
+ 0x88, /* Mode Register 2 */
+#endif
+#else
+#ifdef VIDEO_DEBUG_DISABLE_COLORS
+ 0x18, /* Mode Register 2 */
+#else
+ 0x08, /* Mode Register 2 */
+#endif
+#endif
+ 0x00, /* Pedestal Register 0 */
+ 0x00, /* Pedestal Register 1 */
+ 0x00, /* Pedestal Register 2 */
+ 0x00, /* Pedestal Register 3 */
+ 0x08 /* Mode Register 3 */
+#endif
+#endif
+ } ;
+
+#endif