76 lines
1.2 KiB
C
76 lines
1.2 KiB
C
/*++
|
|
|
|
Copyright (c) 2000 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
headless.h
|
|
|
|
Abstract:
|
|
|
|
This module contains the definitions for the code that implements the
|
|
Headless device driver.
|
|
|
|
Author:
|
|
|
|
Environment:
|
|
|
|
Kernel mode
|
|
|
|
--*/
|
|
|
|
#ifndef _HEADLESS_
|
|
#define _HEADLESS_
|
|
|
|
typedef struct {
|
|
USHORT hres; // # of pixels across screen
|
|
USHORT vres; // # of scan lines down screen
|
|
} VIDEOMODE, *PVIDEOMODE;
|
|
|
|
//
|
|
// Function prototypes.
|
|
//
|
|
|
|
VP_STATUS
|
|
HeadlessFindAdapter(
|
|
PVOID HwDeviceExtension,
|
|
PVOID HwContext,
|
|
PWSTR ArgumentString,
|
|
PVIDEO_PORT_CONFIG_INFO ConfigInfo,
|
|
PUCHAR Again
|
|
);
|
|
|
|
BOOLEAN
|
|
HeadlessInitialize(
|
|
PVOID HwDeviceExtension
|
|
);
|
|
|
|
BOOLEAN
|
|
HeadlessStartIO(
|
|
PVOID HwDeviceExtension,
|
|
PVIDEO_REQUEST_PACKET RequestPacket
|
|
);
|
|
|
|
//
|
|
// Private function prototypes.
|
|
//
|
|
|
|
VP_STATUS
|
|
HeadlessQueryAvailableModes(
|
|
PVIDEO_MODE_INFORMATION ModeInformation,
|
|
ULONG ModeInformationSize,
|
|
PULONG OutputSize
|
|
);
|
|
|
|
VP_STATUS
|
|
HeadlessQueryNumberOfAvailableModes(
|
|
PVIDEO_NUM_MODES NumModes,
|
|
ULONG NumModesSize,
|
|
PULONG OutputSize
|
|
);
|
|
|
|
extern VIDEOMODE ModesHeadless[];
|
|
extern ULONG NumVideoModes;
|
|
|
|
#endif // _HEADLESS_
|