windows-server-2003/drivers/serveravailability/serverworks/display/swdisp.h

/*++

Copyright (c) 1991 - 2001 Microsoft Corporation

Module Name:

     ###  ##  #  ## #####   ####  ###  #####     ##   ##
    ##  # ## ### ## ##  ##   ##  ##  # ##  ##    ##   ##
    ###   ## ### ## ##   ##  ##  ###   ##  ##    ##   ##
     ###  ## # # ## ##   ##  ##   ###  ##  ##    #######
      ###  ### ###  ##   ##  ##    ### #####     ##   ##
    #  ##  ### ###  ##  ##   ##  #  ## ##     ## ##   ##
     ###   ##   ##  #####   ####  ###  ##     ## ##   ##

Abstract:

    This header file contains the definitions for the
    ServerWorks local display miniport driver.

Author:

    Wesley Witt (wesw) 1-Oct-2001

Environment:

    Kernel mode only.

Notes:


--*/

extern "C" {
#include <ntddk.h>
#include <stdio.h>
}

#define MINIPORT_DEVICE_TYPE    SA_DEVICE_DISPLAY

#include "saport.h"

//
// Global Defines
//

#define DISPLAY_COLUMNS             (128)
#define DISPLAY_PAGES               (8)
#define DISPLAY_WIDTH               (128)
#define DISPLAY_HEIGHT              (64)
#define DISPLAY_LINES_PER_PAGE      (8)
#define MAX_BITMAP_SIZE             ((DISPLAY_COLUMNS * DISPLAY_PAGES * DISPLAY_LINES_PER_PAGE)/8)



typedef struct _DEVICE_EXTENSION {
    PUCHAR      VideoMemBase;
} DEVICE_EXTENSION, *PDEVICE_EXTENSION;


#define GetDisplayPage(_base) \
    READ_REGISTER_UCHAR( (*(PUCHAR)((PUCHAR)_base + 0) & 0xf) )

#define SetDisplayPage(_base,_pg) \
    WRITE_REGISTER_UCHAR( (PUCHAR)((PUCHAR)_base + 0), (_pg & 0xf) )

#define GetDisplayColumnAddressUpper(_base) \
    READ_REGISTER_UCHAR( (*(PUCHAR)((PUCHAR)_base + 2) & 0xf) )

#define GetDisplayColumnAddressLower(_base) \
    READ_REGISTER_UCHAR( (*(PUCHAR)((PUCHAR)_base + 3) & 0xf) )

#define GetDisplayColumnAddress(_base) \
    ((GetDisplayColumnAddressUpper(_base) << 4) | GetDisplayColumnAddressLower(_base))

#define SetDisplayColumnAddressUpper(_base,_colu) \
    WRITE_REGISTER_UCHAR( (PUCHAR)((PUCHAR)_base + 2), ((_colu) & 0xf) )

#define SetDisplayColumnAddressLower(_base,_coll) \
    WRITE_REGISTER_UCHAR( (PUCHAR)((PUCHAR)_base + 3), ((_coll) & 0xf) )

#define SetDisplayColumnAddress(_base,_col) \
    { \
        SetDisplayColumnAddressUpper(_base,(_col&0xf0)>>4); \
        SetDisplayColumnAddressLower(_base,(_col&0xf)); \
    }

#define GetDisplayStatus(_base) \
    READ_REGISTER_UCHAR( (*(PUCHAR)((PUCHAR)_base + 6)) )

#define GetDisplayData(_base) \
    READ_REGISTER_UCHAR( (*(PUCHAR)((PUCHAR)_base + 7)) )

#define SetDisplayData(_base,_data) \
    WRITE_REGISTER_UCHAR( (PUCHAR)((PUCHAR)_base + 7), (_data) )


//
// prototypes
//

extern "C" {

NTSTATUS
DriverEntry(
    IN PDRIVER_OBJECT DriverObject,
    IN PUNICODE_STRING RegistryPath
    );

} // extern "C"