#ifndef GRAPHICS_MONITOR_H
#define GRAPHICS_MONITOR_H
/*
**      $VER: monitor.h 39.7 (9.6.1992)
**      Includes Release 44.1
**
**      graphics monitorspec definintions
**
**      (C) Copyright 1985-1999 Amiga, Inc.
**          All Rights Reserved
*/

#ifndef EXEC_SEMAPHORES_H
#include        <exec/semaphores.h>
#endif

#ifndef GRAPHICS_GFXNODES_H
#include        <graphics/gfxnodes.h>
#endif

#ifndef GRAPHICS_GFX_H
#include        <graphics/gfx.h>
#endif

struct  MonitorSpec
{
    struct      ExtendedNode    ms_Node;
    UWORD       ms_Flags;
    LONG        ratioh;
    LONG        ratiov;
    UWORD       total_rows;
    UWORD       total_colorclocks;
    UWORD       DeniseMaxDisplayColumn;
    UWORD       BeamCon0;
    UWORD       min_row;
    struct      SpecialMonitor  *ms_Special;
    UWORD       ms_OpenCount;
    LONG        (*ms_transform)();
    LONG        (*ms_translate)();
    LONG        (*ms_scale)();
    UWORD       ms_xoffset;
    UWORD       ms_yoffset;
    struct      Rectangle       ms_LegalView;
    LONG        (*ms_maxoscan)();       /* maximum legal overscan */
    LONG        (*ms_videoscan)();      /* video display overscan */
    UWORD       DeniseMinDisplayColumn;
    ULONG       DisplayCompatible;
    struct      List DisplayInfoDataBase;
    struct      SignalSemaphore DisplayInfoDataBaseSemaphore;
    LONG        (*ms_MrgCop)();
    LONG        (*ms_LoadView)();
    LONG        (*ms_KillView)();
};

#define TO_MONITOR              0
#define FROM_MONITOR            1
#define STANDARD_XOFFSET        9
#define STANDARD_YOFFSET        0

#define MSB_REQUEST_NTSC        0
#define MSB_REQUEST_PAL         1
#define MSB_REQUEST_SPECIAL     2
#define MSB_REQUEST_A2024       3
#define MSB_DOUBLE_SPRITES      4
#define MSF_REQUEST_NTSC        (1 << MSB_REQUEST_NTSC)
#define MSF_REQUEST_PAL         (1 << MSB_REQUEST_PAL)
#define MSF_REQUEST_SPECIAL             (1 << MSB_REQUEST_SPECIAL)
#define MSF_REQUEST_A2024               (1 << MSB_REQUEST_A2024)
#define MSF_DOUBLE_SPRITES              (1 << MSB_DOUBLE_SPRITES)


/* obsolete, v37 compatible definitions follow */
#define REQUEST_NTSC            (1 << MSB_REQUEST_NTSC)
#define REQUEST_PAL             (1 << MSB_REQUEST_PAL)
#define REQUEST_SPECIAL         (1 << MSB_REQUEST_SPECIAL)
#define REQUEST_A2024           (1 << MSB_REQUEST_A2024)

#define DEFAULT_MONITOR_NAME    "default.monitor"
#define NTSC_MONITOR_NAME       "ntsc.monitor"
#define PAL_MONITOR_NAME        "pal.monitor"
#define STANDARD_MONITOR_MASK   ( REQUEST_NTSC | REQUEST_PAL )

#define STANDARD_NTSC_ROWS      262
#define STANDARD_PAL_ROWS       312
#define STANDARD_COLORCLOCKS    226
#define STANDARD_DENISE_MAX     455
#define STANDARD_DENISE_MIN     93
#define STANDARD_NTSC_BEAMCON   ( 0x0000 )
#define STANDARD_PAL_BEAMCON    ( DISPLAYPAL )

#define SPECIAL_BEAMCON ( VARVBLANK | LOLDIS | VARVSYNC | VARHSYNC | VARBEAM | CSBLANK | VSYNCTRUE)

#define MIN_NTSC_ROW    21
#define MIN_PAL_ROW     29
#define STANDARD_VIEW_X 0x81
#define STANDARD_VIEW_Y 0x2C
#define STANDARD_HBSTRT 0x06
#define STANDARD_HSSTRT 0x0B
#define STANDARD_HSSTOP 0x1C
#define STANDARD_HBSTOP 0x2C
#define STANDARD_VBSTRT 0x0122
#define STANDARD_VSSTRT 0x02A6
#define STANDARD_VSSTOP 0x03AA
#define STANDARD_VBSTOP 0x1066

#define VGA_COLORCLOCKS (STANDARD_COLORCLOCKS/2)
#define VGA_TOTAL_ROWS  (STANDARD_NTSC_ROWS*2)
#define VGA_DENISE_MIN  59
#define MIN_VGA_ROW     29
#define VGA_HBSTRT      0x08
#define VGA_HSSTRT      0x0E
#define VGA_HSSTOP      0x1C
#define VGA_HBSTOP      0x1E
#define VGA_VBSTRT      0x0000
#define VGA_VSSTRT      0x0153
#define VGA_VSSTOP      0x0235
#define VGA_VBSTOP      0x0CCD

#define VGA_MONITOR_NAME        "vga.monitor"

/* NOTE: VGA70 definitions are obsolete - a VGA70 monitor has never been
 * implemented.
 */
#define VGA70_COLORCLOCKS (STANDARD_COLORCLOCKS/2)
#define VGA70_TOTAL_ROWS 449
#define VGA70_DENISE_MIN 59
#define MIN_VGA70_ROW   35
#define VGA70_HBSTRT    0x08
#define VGA70_HSSTRT    0x0E
#define VGA70_HSSTOP    0x1C
#define VGA70_HBSTOP    0x1E
#define VGA70_VBSTRT    0x0000
#define VGA70_VSSTRT    0x02A6
#define VGA70_VSSTOP    0x0388
#define VGA70_VBSTOP    0x0F73

#define VGA70_BEAMCON   (SPECIAL_BEAMCON ^ VSYNCTRUE)
#define VGA70_MONITOR_NAME      "vga70.monitor"

#define BROADCAST_HBSTRT        0x01
#define BROADCAST_HSSTRT        0x06
#define BROADCAST_HSSTOP        0x17
#define BROADCAST_HBSTOP        0x27
#define BROADCAST_VBSTRT        0x0000
#define BROADCAST_VSSTRT        0x02A6
#define BROADCAST_VSSTOP        0x054C
#define BROADCAST_VBSTOP        0x1C40
#define BROADCAST_BEAMCON       ( LOLDIS | CSBLANK )
#define RATIO_FIXEDPART 4
#define RATIO_UNITY     (1 << RATIO_FIXEDPART)

struct  AnalogSignalInterval
{
    UWORD       asi_Start;
    UWORD       asi_Stop;
};

struct  SpecialMonitor
{
    struct      ExtendedNode    spm_Node;
    UWORD       spm_Flags;
    LONG        (*do_monitor)();
    LONG        (*reserved1)();
    LONG        (*reserved2)();
    LONG        (*reserved3)();
    struct      AnalogSignalInterval    hblank;
    struct      AnalogSignalInterval    vblank;
    struct      AnalogSignalInterval    hsync;
    struct      AnalogSignalInterval    vsync;
};

#endif  /* GRAPHICS_MONITOR_H */