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    video_ad7176.h 3.19 KiB
    /*
     * (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_AD7176_H_
    #define _VIDEO_AD7176_H_
    
    #define VIDEO_ENCODER_NAME	"Analog Devices AD7176"
    
    #define VIDEO_ENCODER_I2C_RATE	100000	/* Max rate is 100 kHz		*/
    #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
    					0x82,
    #else
    					0x02, /* Mode Register 1	*/
    #endif	/* VIDEO_DEBUG_COLORBARS */
    					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	*/
    					0x00  /* Mode Register 3	*/
    
    #endif	/* VIDEO_MODE_NTSC */
    
    #ifdef VIDEO_MODE_PAL
    					0x05, /* Mode Register 0	*/
    #ifdef VIDEO_DEBUG_COLORBARS
    					0x82,
    #else
    					0x02, /* Mode Register 1 (2)	*/
    #endif	/* VIDEO_DEBUG_COLORBARS */
    					0xcb, /* Subcarrier Freq 0	*/
    					0x8a, /* Subcarrier Freq 1	*/
    					0x09, /* Subcarrier Freq 2	*/
    					0x2a, /* Subcarrier Freq 3	*/
    					0x00, /* Subcarrier phase	*/
    					0x0a, /* Timing Register 0 (a)	*/
    					0x00, /* Extended Captioning 0	*/
    					0x00, /* Extended Captioning 1	*/
    					0x00, /* Closed Captioning 0	*/
    					0x00, /* Closed Captioning 1	*/
    					0x00, /* Timing Register 1	*/
    					0x08, /* Mode Register 2 (8)	*/
    					0x00, /* Pedestal Register 0	*/
    					0x00, /* Pedestal Register 1	*/
    					0x00, /* Pedestal Register 2	*/
    					0x00, /* Pedestal Register 3	*/
    					0x00  /* Mode Register 3	*/
    #endif	/* VIDEO_MODE_PAL */
    } ;
    
    #endif	/* _VIDEO_AD7176_H_ */