FreeBSD/Linux Kernel Cross Reference
sys/dev/videomode/videomode.h

     /*      $NetBSD: videomode.h,v 1.2 2010/05/04 21:17:10 macallan Exp $   */
     /*      $FreeBSD$       */
     
     /*
      * Copyright (c) 2001, 2002 Bang Jun-Young
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _DEV_VIDEOMODE_H
    #define _DEV_VIDEOMODE_H
    
    struct videomode {
            int dot_clock;          /* Dot clock frequency in kHz. */
            int hdisplay;
            int hsync_start;
            int hsync_end;
            int htotal;
            int vdisplay;
            int vsync_start;
            int vsync_end;
            int vtotal;
            int flags;              /* Video mode flags; see below. */
            const char *name;
            int hskew;
    };
    
    /*
     * Video mode flags.
     */
    
    #define VID_PHSYNC      0x0001
    #define VID_NHSYNC      0x0002
    #define VID_PVSYNC      0x0004
    #define VID_NVSYNC      0x0008
    #define VID_INTERLACE   0x0010
    #define VID_DBLSCAN     0x0020
    #define VID_CSYNC       0x0040
    #define VID_PCSYNC      0x0080
    #define VID_NCSYNC      0x0100
    #define VID_HSKEW       0x0200
    #define VID_BCAST       0x0400
    #define VID_PIXMUX      0x1000
    #define VID_DBLCLK      0x2000
    #define VID_CLKDIV2     0x4000
    
    extern const struct videomode videomode_list[];
    extern const int videomode_count;
    
    const struct videomode *pick_mode_by_dotclock(int, int, int);
    const struct videomode *pick_mode_by_ref(int, int, int);
    void sort_modes(struct videomode *, struct videomode **, int);
    
    #endif /* _DEV_VIDEOMODE_H */

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