Leaked source code of windows server 2003
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/******************************Module*Header*******************************\
* Module Name: hw.h** All the hardware specific driver file stuff.** Copyright (c) 1992-1995 Microsoft Corporation\**************************************************************************/
// Miscellaneous Registers used only at EGA/VGA initialization time
#define MISC_OUTPUT 0x0C2 // Miscellaneous Output Register
#define CRTC_ADDR 0x0D4 // CRTC Address Register for color mode
#define CRTC_DATA 0x0D5 // CRTC Data Register for color mode
#define GRAF_1_POS 0x0CC // Graphics 1 Address Register
#define GRAF_2_POS 0x0CA // Graphics 2 Address Register
#define ATTR_READ 0x0DA // Attribute Controler Read Address
#define ATTR_WRITE 0x0C0 // Attribute Controler Write Address
#define IN_STAT_0 0x0C2 // Input Status Register 0
#define IN_STAT_1 0x0DA // Input Status Register 1
// EGA/VGA Register Definitions.
//
// The following definitions are the EGA/VGA registers and values
// used by this driver. All other registers are set up at
// when the EGA/VGA is placed into graphics mode and never altered
// afterwards.
//
// All unspecified bits in the following registers must be 0.
#define EGA_BASE 0x300 // Base address of the EGA (3xx)
#define VGA_BASE 0x300 // Base address of the VGA (3xx)
// SEQUencer Registers Used
#define SEQ_ADDR 0xC4 // SEQUencer Address Register
#define SEQ_DATA 0xC5 // SEQUencer Data Register
#define SEQ_MAP_MASK 0x02 // Write Plane Enable Mask
#define MM_C0 0x01 // C0 plane enable
#define MM_C1 0x02 // C1 plane enable
#define MM_C2 0x04 // C2 plane enable
#define MM_C3 0x08 // C3 plane enable
#define MM_ALL 0x0f // All planes
#define SEQ_MODE 0x04 // Memory Mode
#define SM_ALPHA 0x01 // Char map select enable
#define SM_EXTENDED 0x02 // Extended memory present
#define SM_ODD_PLANE 0x04 // Odd/even bytes to same plane
// Graphics Controller Registers Used
#define GRAF_ADDR 0xCE // Graphics Controller Address Register
#define GRAF_DATA 0xCF // Graphics Controller Data Register
#define GRAF_SET_RESET 0x00 // Set/Reset Plane Color
#define GRAF_ENAB_SR 0x01 // Set/Reset Enable
#define GRAF_COL_COMP 0x02 // Color Compare Register
#define GRAF_DATA_ROT 0x03 // Data Rotate Register
#define DR_ROT_CNT 0x07 // Data Rotate Count
#define DR_SET 0x00 // Data Unmodified
#define DR_AND 0x08 // Data ANDed with latches
#define DR_OR 0x10 // Data ORed with latches
#define DR_XOR 0x18 // Data XORed with latches
#define GRAF_READ_MAP 0x04 // Read Map Select Register
#define RM_C0 0x00 // Read C0 plane
#define RM_C1 0x01 // Read C1 plane
#define RM_C2 0x02 // Read C2 plane
#define RM_C3 0x03 // Read C3 plane
#define GRAF_MODE 0x05 // Mode Register
#define M_PROC_WRITE 0x00 // Write processor data rotated
#define M_LATCH_WRITE 0x01 // Write latched data
#define M_COLOR_WRITE 0x02 // Write processor data as color
#define M_AND_WRITE 0x03 // Write (procdata AND bitmask)
#define M_DATA_READ 0x00 // Read selected plane
#define M_COLOR_READ 0x08 // Read color compare
#define GRAF_MISC 0x06 // Miscellaneous Register
#define MS_NON_ALPHA 0x01 // Char generator disabled
#define MS_ODD_EVEN 0x02 // Map odd addresses to even
#define MS_A0000_128K 0x00 // Memory present at A0000, 128kb
#define MS_A0000_64K 0x04 // Memory present at A0000, 64kb
#define MS_B0000_32K 0x08 // Memory present at B0000, 32kb
#define MS_B8000_32K 0x0C // Memory present at B8000, 32kb
#define MS_ADDR_MASK 0x0C
#define GRAF_CDC 0x07 // Color Don't Care Register
#define GRAF_BIT_MASK 0x08 // Bit Mask Register
////////////////////////////////////////////////////////////////////////
// Direct access macros
//
#define OUT_WORD(pjBase, addr, w) \
{ \ MEMORY_BARRIER(); \ WRITE_PORT_USHORT((BYTE*) (pjBase) + (addr), (USHORT) (w)); \}
#define OUT_BYTE(pjBase, addr, j) \
{ \ MEMORY_BARRIER(); \ WRITE_PORT_UCHAR((BYTE*) (pjBase) + (addr), (UCHAR) (j)); \}
#define WRITE_WORD(pwAddr, w) \
WRITE_REGISTER_USHORT((USHORT*) (pwAddr), (USHORT) (w))
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