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Microsoft Windows NT Build 511 (DDK SDK) 11-01-1993
/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
Modeset.h
Abstract:
This module contains all the global data used by the Cirrus Logic
CL-6410 and CL-6420 driver.
Environment:
Kernel mode
Revision History:
--*/
//---------------------------------------------------------------------------
//
// only one banking variable must be defined
//
#if TWO_32K_BANKS
#if ONE_64K_BANK
#error !!ERROR: two types of banking defined!
#endif
#elif ONE_64K_BANK
#else
#error !!ERROR: banking type must be defined!
#endif
//---------------------------------------------------------------------------
#define INT10_MODE_SET
#ifndef INT10_MODE_SET
#error !!ERROR: int10_mode_set not defined!
#endif
#include "cmdcnst.h"
//---------------------------------------------------------------------------
//
// The actual register values for the supported modes are in chipset-specific
// include files:
//
// mode64xx.h has values for CL6410 and CL6420
// mode542x.h has values for CL5422, CL5424, and CL5426
//
#include "mode6410.h"
#include "mode6420.h"
#include "mode542x.h"
USHORT MODESET_1K_WIDE[] = {
OW, // stretch scans to 1k
CRTC_ADDRESS_PORT_COLOR,
0x8013,
EOD
};
//---------------------------------------------------------------------------
//
// Memory map table -
//
// These memory maps are used to save and restore the physical video buffer.
//
//
// Memory map table definition
//
typedef struct {
ULONG MaxSize; // Maximum addressable size of memory
ULONG Start; // Start address of display memory
} MEMORYMAPS;
MEMORYMAPS MemoryMaps[] = {
// length start
// ------ -----
{ 0x08000, 0xB0000}, // all mono text modes (7)
{ 0x08000, 0xB8000}, // all color text modes (0, 1, 2, 3,
{ 0x20000, 0xA0000}, // all VGA graphics modes
};
//
// Video mode table - contains information and commands for initializing each
// mode. These entries must correspond with those in VIDEO_MODE_VGA. The first
// entry is commented; the rest follow the same format, but are not so
// heavily commented.
//
VIDEOMODE ModesVGA[] = {
// Mode index 0
// Color text mode 3, 720x400, 9x16 char cell (VGA).
//
{
VIDEO_MODE_COLOR, // flags that this mode is a color mode, but not graphics
4, // four planes
1, // one bit of colour per plane
80, 25, // 80x25 text resolution
720, 400, // 720x400 pixels on screen
160, 0x10000, // 160 bytes per scan line, 64K of CPU-addressable bitmap
0, 0, // only support one frequency, non-interlaced
0, // montype is 'dont care' for text modes
NoBanking, // no banking supported or needed in this mode
MemMap_CGA, // the memory mapping is the standard CGA memory mapping
// of 32K at B8000
CL6410 | CL6420 | CL542x,
crt | panel,
FALSE, // ModeValid default is always off
{ 3,3,3}, // int10 BIOS modes
{ CL6410_80x25Text_crt, CL6410_80x25Text_panel,
CL6420_80x25Text_crt, CL6420_80x25Text_panel,
CL542x_80x25Text, 0 },
},
//
// Mode index 1.
// Color text mode 3, 640x350, 8x14 char cell (EGA).
//
{ VIDEO_MODE_COLOR, // flags that this mode is a color mode, but not graphics
4, // four planes
1, // one bit of colour per plane
80, 25, // 80x25 text resolution
640, 350, // 640x350 pixels on screen
160, 0x10000, // 160 bytes per scan line, 64K of CPU-addressable bitmap
0, 0, // only support one frequency, non-interlaced
0, // montype is 'dont care' for text modes
NoBanking, // no banking supported or needed in this mode
MemMap_CGA, // the memory mapping is the standard CGA memory mapping
// of 32K at B8000
CL6410 | CL6420 | CL542x,
crt | panel,
FALSE, // ModeValid default is always off
{ 3,3,3}, // int10 BIOS modes
{ CL6410_80x25_14_Text_crt, CL6410_80x25_14_Text_panel,
CL6420_80x25_14_Text_crt, CL6420_80x25_14_Text_panel,
CL542x_80x25_14_Text, 0 },
},
//
//
// Mode index 2
// Standard VGA Color graphics mode 0x12, 640x480 16 colors.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 80, 30,
640, 480, 80, 0x10000,
60, 0, // 60hz, non-interlaced
3, // montype
NoBanking, MemMap_VGA,
CL6410 | CL6420 | CL542x,
crt | panel,
FALSE, // ModeValid default is always off
{ 0x12,0x12,0x12}, // int10 BIOS modes
{ CL6410_640x480_crt, CL6410_640x480_panel,
CL6420_640x480_crt, CL6420_640x480_panel,
CL542x_640x480, 0 },
},
// Mode index 2b
// Standard VGA Color graphics mode 0x12, 640x480 16 colors.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 80, 30,
640, 480, 80, 0x10000,
72, 0, // 72hz, non-interlaced
4, // montype
NoBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x12}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_640x480, 0 },
},
//
// Beginning of SVGA modes
//
//
// Mode index 3
// 800x600 16 colors.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 100, 37,
800, 600, 100, 0x10000,
56, 0, // 56hz, non-interlaced
3, // montype
NoBanking, MemMap_VGA,
CL6410 | CL6420 | CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0x6a,0x6a,0x6a}, // int10 BIOS modes
{ CL6410_800x600_crt, NULL,
CL6420_800x600_crt, NULL,
CL542x_800x600, 0 },
},
//
// Mode index 3b
// 800x600 16 colors.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 100, 37,
800, 600, 100, 0x10000,
60, 0, // 60hz, non-interlaced
4, // montype
NoBanking, MemMap_VGA,
CL6420 | CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0x6a,0x6a}, // int10 BIOS modes
{ NULL, NULL,
CL6420_800x600_crt, NULL,
CL542x_800x600, 0 },
},
//
// Mode index 3c
// 800x600 16 colors.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 100, 37,
800, 600, 100, 0x10000,
72, 0, // 72hz, non-interlaced
5, // montype
NoBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x6a}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_800x600, 0 },
},
//
// Mode index 4
// 1024x768 non-interlaced 16 colors.
// Assumes 512K.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 128, 48,
1024, 768, 128, 0x20000,
60, 0, // 60hz, non-interlaced
5, // montype
NormalBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x5d}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_1024x768, 0 },
},
//
// Mode index 4b
// 1024x768 non-interlaced 16 colors.
// Assumes 512K.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 128, 48,
1024, 768, 128, 0x20000,
70, 0, // 70hz, non-interlaced
6, // montype
NormalBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x5d}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_1024x768, 0 },
},
//
// Mode index 4c
// 1024x768 non-interlaced 16 colors.
// Assumes 512K.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 128, 48,
1024, 768, 128, 0x20000,
72, 0, // 72hz, non-interlaced
7, // montype
NormalBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x5d}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_1024x768, 0 },
},
//
// Mode index 4d
// 1024x768 interlaced 16 colors.
// Assumes 512K.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 128, 48,
1024, 768, 128, 0x20000,
45, 1, // 45hz, interlaced
4, // montype
NormalBanking, MemMap_VGA,
CL6420 | CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0x37,0x5d}, // int10 BIOS modes
{ NULL, NULL,
CL6420_1024x768_crt, NULL,
CL542x_1024x768, 0 },
},
//
// Mode index 5
// 1280x1024 interlaced 16 colors.
// Assumes 1meg required.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 4, 1, 128, 48,
1280, 1024, 160, 0x30000,
45, 1, // 45Hz, interlaced
5, // montype
NormalBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x6c}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_1280x1024_I, 0},
},
//
//
// Mode index 6
// VGA Color graphics, 640x480 256 colors. 1K scan line
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 80, 30,
640, 480, 1024, 0x80000,
60, 0, // 60hz, non-interlaced
3, // montype
PlanarHCBanking, MemMap_VGA,
CL6420 | CL542x,
crt | panel,
FALSE, // ModeValid default is always off
{ 0,0x2e,0x5f}, // int10 BIOS modes
{ NULL, NULL,
CL6420_640x480_256color_crt, CL6420_640x480_256color_panel,
CL542x_640x480_256, MODESET_1K_WIDE },
},
//
//
// Mode index 6b
// VGA Color graphics, 640x480 256 colors. 1K scan line
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 80, 30,
640, 480, 1024, 0x80000,
72, 0, // 72hz, non-interlaced
4, // montype
PlanarHCBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x5f}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_640x480_256, MODESET_1K_WIDE },
},
//
// Mode index 7
// 800x600 256 colors. 1K scan line requires 1 MEG
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 100, 37,
800, 600, 1024, 0x100000,
56, 0, // 56hz, non-interlaced
3, // montype
PlanarHCBanking, MemMap_VGA,
CL6420 | CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0x30,0x5c}, // int10 BIOS modes
{ NULL, NULL,
CL6420_800x600_256color_crt, NULL,
CL542x_800x600_256, MODESET_1K_WIDE },
},
//
// Mode index 7b
// 800x600 256 colors. 1K scan line requires 1 MEG
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 100, 37,
800, 600, 1024, 0x100000,
60, 0, // 60hz, non-interlaced
4, // montype
PlanarHCBanking, MemMap_VGA,
CL6420 | CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0x30,0x5c}, // int10 BIOS modes
{ NULL, NULL,
CL6420_800x600_256color_crt, NULL,
CL542x_800x600_256, MODESET_1K_WIDE },
},
//
// Mode index 7c
// 800x600 256 colors. 1K scan line requires 1 MEG
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 100, 37,
800, 600, 1024, 0x100000,
72, 0, // 72hz, non-interlaced
5, // montype
PlanarHCBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x5c}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_800x600_256, MODESET_1K_WIDE },
},
//
// Mode index 8
// 1024x768 non-interlaced 256 colors.
// Assumes 1Meg.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 128, 48,
1024, 768, 1024, 0x100000,
60, 0, // 60hz, non-interlaced
5, // montype
PlanarHCBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x60}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_1024x768_256, 0 },
},
//
// Mode index 8b
// 1024x768 non-interlaced 256 colors.
// Assumes 1Meg.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 128, 48,
1024, 768, 1024, 0x100000,
70, 0, // 70hz, non-interlaced
6, // montype
PlanarHCBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x60}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_1024x768_256, 0 },
},
//
// Mode index 8
// 1024x768 non-interlaced 256 colors.
// Assumes 1Meg.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 128, 48,
1024, 768, 1024, 0x100000,
72, 0, // 72hz, non-interlaced
7, // montype
PlanarHCBanking, MemMap_VGA,
CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0,0x60}, // int10 BIOS modes
{ NULL, NULL,
NULL, NULL,
CL542x_1024x768_256, 0 },
},
//
// Mode index 8
// 1024x768 interlaced 256 colors.
// Assumes 1Meg.
//
{ VIDEO_MODE_COLOR+VIDEO_MODE_GRAPHICS, 1, 8, 128, 48,
1024, 768, 1024, 0x100000,
45, 1, // 45hz, interlaced
4, // montype
PlanarHCBanking, MemMap_VGA,
CL6420 | CL542x,
crt,
FALSE, // ModeValid default is always off
{ 0,0x38,0x60}, // int10 BIOS modes
{ NULL, NULL,
CL6420_1024x768_256color_crt, NULL,
CL542x_1024x768_256, 0 },
},
};
ULONG NumVideoModes = sizeof(ModesVGA) / sizeof(VIDEOMODE);
//
//
// Data used to set the Graphics and Sequence Controllers to put the
// VGA into a planar state at A0000 for 64K, with plane 2 enabled for
// reads and writes, so that a font can be loaded, and to disable that mode.
//
// Settings to enable planar mode with plane 2 enabled.
//
USHORT EnableA000Data[] = {
OWM,
SEQ_ADDRESS_PORT,
1,
0x0100,
OWM,
GRAPH_ADDRESS_PORT,
3,
0x0204, // Read Map = plane 2
0x0005, // Graphics Mode = read mode 0, write mode 0
0x0406, // Graphics Miscellaneous register = A0000 for 64K, not odd/even,
// graphics mode
OWM,
SEQ_ADDRESS_PORT,
3,
0x0402, // Map Mask = write to plane 2 only
0x0404, // Memory Mode = not odd/even, not full memory, graphics mode
0x0300, // end sync reset
EOD
};
//
// Settings to disable the font-loading planar mode.
//
USHORT DisableA000Color[] = {
OWM,
SEQ_ADDRESS_PORT,
1,
0x0100,
OWM,
GRAPH_ADDRESS_PORT,
3,
0x0004, 0x1005, 0x0E06,
OWM,
SEQ_ADDRESS_PORT,
3,
0x0302, 0x0204, 0x0300, // end sync reset
EOD
};
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