reactos/win32ss/drivers/miniport/vga_new/vgadata.c

491 lines
12 KiB
C

/*
* PROJECT: ReactOS VGA Miniport Driver
* LICENSE: Microsoft NT4 DDK Sample Code License
* FILE: win32ss/drivers/miniport/vga_new/vgadata.c
* PURPOSE: Handles switching to VGA Modes and holds VGA Built-in Modes
* PROGRAMMERS: Copyright (c) 1992 Microsoft Corporation
* ReactOS Portable Systems Group
*/
#include "vga.h"
//
// This structure describes to which ports access is required.
//
VIDEO_ACCESS_RANGE VgaAccessRange[] = {
{
{{VGA_BASE_IO_PORT, 0x00000000}}, // 64-bit linear base address
// of range
VGA_START_BREAK_PORT - VGA_BASE_IO_PORT + 1, // # of ports
1, // range is in I/O space
1, // range should be visible
0 // range should be shareable
},
{
{{VGA_END_BREAK_PORT, 0x00000000}},
VGA_MAX_IO_PORT - VGA_END_BREAK_PORT + 1,
1,
1,
0
},
//
// This next region also includes Memory mapped IO. In MMIO, the ports are
// repeated every 256 bytes from b8000 to bff00.
//
{
{{MEM_VGA, 0x00000000}},
MEM_VGA_SIZE,
0,
1,
0
},
// eVb: 4.1 [VGA] - Add ATI/Mach64 VGA registers
//
// ATI Registers
//
{
{{0x1CE, 0x00000000}},
2,
1,
1,
0
},
{
{{0x2E8, 0x00000000}},
8,
1,
1,
0
}
// eVb: 4.1 [END]
};
//
// 640x480 256-color 60Hz mode (BIOS mode 12) set command string for
// VGA.
//
// eVb: 4.2 [VGA] - Add VGA command streams instead of Cirrus
USHORT VGA_640x480[] = {
OWM, // begin setmode
SEQ_ADDRESS_PORT,
5, // count
0x100, // start sync reset
0x0101,0x0F02,0x0003,0x0604, // program up sequencer
OB, // misc. register
MISC_OUTPUT_REG_WRITE_PORT,
0xE3,
OW, // text/graphics bit
GRAPH_ADDRESS_PORT,
0x506,
OW, // end sync reset
SEQ_ADDRESS_PORT,
IND_SYNC_RESET,
OB,
SEQ_DATA_PORT,
END_SYNC_RESET_VALUE,
OW, // unprotect crtc 0-7
CRTC_ADDRESS_PORT_COLOR,
0x511,
METAOUT+INDXOUT, // program crtc registers
CRTC_ADDRESS_PORT_COLOR,
VGA_NUM_CRTC_PORTS,0, // count, startindex
0x5F,0x4F,0x50,0x82,0x54,0x80,0x0B,0x3E,0x00,0x40,0x0,0x0,0x0,0x0,0x0,0x0,
0xEA,0x8C,0xDF,0x28,0x0,0xE7,0x4,0xE3,0xFF,
IB, // prepare atc for writing
INPUT_STATUS_1_COLOR,
METAOUT+ATCOUT, // program atc registers
ATT_ADDRESS_PORT,
VGA_NUM_ATTRIB_CONT_PORTS,0, // count, startindex
0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
0x17, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
0x3D, 0x3E, 0x3F, 0x3F, 0x01, 0x00,
0x0F, 0x00, 0x00,
METAOUT+INDXOUT, // program gdc registers
GRAPH_ADDRESS_PORT,
VGA_NUM_GRAPH_CONT_PORTS,0, // count, startindex
0x00, 0x00, 0x00, 0x00, 0x00, 0x40,
0x05, 0x0F, 0xFF,
OB,
DAC_PIXEL_MASK_PORT,
0xFF,
IB, // prepare atc for writing
INPUT_STATUS_1_COLOR,
OB, // turn video on.
ATT_ADDRESS_PORT,
VIDEO_ENABLE,
EOD
};
//
// 720x400 color text mode (BIOS mode 3) set command string for
// VGA.
//
USHORT VGA_TEXT_0[] = {
OWM, // begin setmode
SEQ_ADDRESS_PORT,
5, // count
0x100, // start sync reset
0x0101,0x0302,0x0003,0x0204, // program up sequencer
OB, // misc. register
MISC_OUTPUT_REG_WRITE_PORT,
0x67,
OW, // text/graphics bit
GRAPH_ADDRESS_PORT,
0x0e06,
OW, // end sync reset
SEQ_ADDRESS_PORT,
IND_SYNC_RESET,
OB,
SEQ_DATA_PORT,
END_SYNC_RESET_VALUE,
OW, // unprotect crtc 0-7
CRTC_ADDRESS_PORT_COLOR,
0xE11,
METAOUT+INDXOUT, // program crtc registers
CRTC_ADDRESS_PORT_COLOR,
VGA_NUM_CRTC_PORTS,0, // count, startindex
0x5F,0x4F,0x50,0x82,0x55,0x81,0xBF,0x1F,0x00,0x4F,0xD,0xE,0x0,0x0,0x0,0x0,
0x9c,0x8E,0x8F,0x28,0x1F,0x96,0xB9,0xA3,0xFF,
IB, // prepare atc for writing
INPUT_STATUS_1_COLOR,
METAOUT+ATCOUT, // program atc registers
ATT_ADDRESS_PORT,
VGA_NUM_ATTRIB_CONT_PORTS,0, // count, startindex
0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
0x17, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
0x3D, 0x3E, 0x3F, 0x3F, 0x04, 0x00,
0x0F, 0x08, 0x00,
METAOUT+INDXOUT, // program gdc registers
GRAPH_ADDRESS_PORT,
VGA_NUM_GRAPH_CONT_PORTS,0, // count, startindex
0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
0x0E, 0x00, 0xFF,
OB,
DAC_PIXEL_MASK_PORT,
0xFF,
IB, // prepare atc for writing
INPUT_STATUS_1_COLOR,
OB, // turn video on.
ATT_ADDRESS_PORT,
VIDEO_ENABLE,
EOD
};
//
// 640x400 color text mode (BIOS mode 3) set command string for
// VGA.
//
USHORT VGA_TEXT_1[] = {
OWM, // begin setmode
SEQ_ADDRESS_PORT,
5, // count
0x100, // start sync reset
0x0101,0x0302,0x0003,0x0204, // program up sequencer
OB, // misc. register
MISC_OUTPUT_REG_WRITE_PORT,
0xA3,
OW, // text/graphics bit
GRAPH_ADDRESS_PORT,
0x0e06,
OW, // end sync reset
SEQ_ADDRESS_PORT,
IND_SYNC_RESET,
OB,
SEQ_DATA_PORT,
END_SYNC_RESET_VALUE,
OW, // unprotect crtc 0-7
CRTC_ADDRESS_PORT_COLOR,
0x511,
METAOUT+INDXOUT, // program crtc registers
CRTC_ADDRESS_PORT_COLOR,
VGA_NUM_CRTC_PORTS,0, // count, startindex
0x5F,0x4F,0x50,0x82,0x55,0x81,0xBF,0x1F,0x00,0x4D,0xB,0xC,0x0,0x0,0x0,0x0,
0x83,0x85,0x5D,0x28,0x1F,0x63,0xBA,0xA3,0xFF,
IB, // prepare atc for writing
INPUT_STATUS_1_COLOR,
METAOUT+ATCOUT, // program atc registers
ATT_ADDRESS_PORT,
VGA_NUM_ATTRIB_CONT_PORTS,0, // count, startindex
0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
0x17, 0x38, 0x39, 0x3A, 0x3B, 0x3C,
0x3D, 0x3E, 0x3F, 0x3F, 0x04, 0x00,
0x0F, 0x00, 0x00,
METAOUT+INDXOUT, // program gdc registers
GRAPH_ADDRESS_PORT,
VGA_NUM_GRAPH_CONT_PORTS,0, // count, startindex
0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
0x0E, 0x00, 0xFF,
OB,
DAC_PIXEL_MASK_PORT,
0xFF,
IB, // prepare atc for writing
INPUT_STATUS_1_COLOR,
OB, // turn video on.
ATT_ADDRESS_PORT,
VIDEO_ENABLE,
EOD
};
// eVb: 4.2 [END]
//
// 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.
//
// eVb: 4.3 [VGA] - Add VGA, ModeX and SVGA mode instead of Cirrus Modes
VIDEOMODE ModesVGA[] =
{
// Color text mode 3, 720x400, 9x16 char cell (VGA).
//
{
VIDEO_MODE_BANKED | 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
1, // only support one frequency, non-interlaced
160, 0x10000, // 160 bytes per scan line, 64K of CPU-addressable bitmap
FALSE,
0x3, VGA_TEXT_0, // Mode 3, I/O initialization stream
0xA0000, // Physical address at 0xA0000
0x18000, 0x8000,
0x20000, // 2 banks of 64K, 128KB total memory
720, // 720 pixels per scan line
FALSE,
0
},
//
// Color text mode 3, 640x350, 8x14 char cell (EGA).
//
{
VIDEO_MODE_BANKED | VIDEO_MODE_COLOR,
4, 1,
80, 25,
640, 350,
1,
160, 0x10000,
FALSE,
0x3, VGA_TEXT_1,
0xA0000,
0x18000, 0x8000,
0x20000,
640,
FALSE,
0
},
//
//
// Standard VGA Color graphics mode 0x12, 640x480 16 colors.
//
{
VIDEO_MODE_BANKED | VIDEO_MODE_COLOR | VIDEO_MODE_GRAPHICS,
4, 1,
80, 30,
640, 480,
1,
80, 0x10000,
FALSE,
0x12, VGA_640x480,
0xA0000,
0, 0x20000,
0x20000,
640,
FALSE,
0
},
{
VIDEO_MODE_BANKED | VIDEO_MODE_COLOR | VIDEO_MODE_GRAPHICS,
8, 1,
0, 0,
320, 200,
70,
80, 0x10000,
FALSE,
0x3, NULL,
0xA0000,
0, 0x20000,
0x20000,
320,
FALSE,
0
},
{
VIDEO_MODE_BANKED | VIDEO_MODE_COLOR | VIDEO_MODE_GRAPHICS,
8, 1,
0, 0,
320, 240,
60,
80, 0x10000,
FALSE,
0x3, NULL,
0xA0000,
0, 0x20000,
0x20000,
320,
FALSE,
0
},
{
VIDEO_MODE_BANKED | VIDEO_MODE_COLOR | VIDEO_MODE_GRAPHICS,
8, 1,
0, 0,
320, 400,
70,
80, 0x10000,
FALSE,
0x3, NULL,
0xA0000,
0, 0x20000,
0x20000,
320,
FALSE,
0
},
{
VIDEO_MODE_BANKED | VIDEO_MODE_COLOR | VIDEO_MODE_GRAPHICS,
8, 1,
0, 0,
320, 480,
60,
80, 0x10000,
FALSE,
0x3, NULL,
0xA0000,
0, 0x20000,
0x20000,
320,
FALSE,
0
},
//
// 800x600 16 colors.
//
{
VIDEO_MODE_BANKED | VIDEO_MODE_COLOR | VIDEO_MODE_GRAPHICS,
4, 1,
100, 37,
800, 600,
1,
100, 0x10000,
FALSE,
(0x102 << 16) | VBE_SET_VBE_MODE, NULL,
0xA0000,
0, 0x20000,
0x20000,
800,
FALSE,
0
},
};
ULONG NumVideoModes = sizeof(ModesVGA) / sizeof(VIDEOMODE);
PVIDEOMODE VgaModeList;
// eVb: 4.3 [END]
//
//
// 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
};