Source code of Windows XP (NT5)
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//**************************************************************************
//
// Title : CTVCtrl.h
//
// Date : 1998.06.29 1st making
//
// Author : Toshiba [PCS](PSY) Hideki Yagi
//
// Copyright 1997-1998 Toshiba Corporation. All Rights Reserved.
//
// -------------------------------------------------------------------------
//
// Change log :
//
// Date Revision Description
// ------------ ---------- -----------------------------------------------
// 1998.06.29 000.0000 1st making.
//
//**************************************************************************
#define TVCONTROL_LCD_BIT 0x0001
#define TVCONTROL_CRT_BIT 0x0002
#define TVCONTROL_TV_BIT 0x0004
#define DISABLE_TV 0x0000
#define ENABLE_TV 0x0001
// add by do '98-07-13 ( from "tvaldctl.h")
//
// Device driver open name
//
//#define TVALDDRVR_DEVICE_OPEN_NAME "\\\\.\\TVALD"
//#define TVALDDRVR_DEVICE_OPEN_NAME "TVALD.SYS"
#define TVALDDRVR_DEVICE_OPEN_NAME "\\Device\\TVALD"
//
// IOCTL Code ...
//
#define IOCTL_TVALD_INFO \
(ULONG)CTL_CODE( FILE_DEVICE_UNKNOWN, 0xA10, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_TVALD_CANCEL_INFO \
(ULONG)CTL_CODE( FILE_DEVICE_UNKNOWN, 0xA11, METHOD_BUFFERED, FILE_ANY_ACCESS )
#define IOCTL_TVALD_GHCI \
(ULONG)CTL_CODE( FILE_DEVICE_UNKNOWN, 0xA20, METHOD_BUFFERED, FILE_ANY_ACCESS )
//
// GHCI Method Interfaces
//
typedef struct _GHCI_INTERFACE {
ULONG GHCI_EAX;
ULONG GHCI_EBX;
ULONG GHCI_ECX;
ULONG GHCI_EDX;
ULONG GHCI_ESI;
ULONG GHCI_EDI;
} GHCI_INTERFACE, *PGHCI_INTERFACE;
//
// notification values
//
#define HOTKEY_INFO_CHANGE 0x80
//
// hot key methods
//
#define HOTKEY_INFO_METHOD 'OFNI'
#define HOTKEY_GHCI_METHOD 'ICHG'
#define HOTKEY_ENAB_METHOD 'BANE'
//
// ACPI.SYS control Method stract
//
typedef struct _ACPI_CTL_METHOD {
union {
UCHAR MethodName[4];
ULONG MethodNameAsUlong;
};
} ACPI_CTL_METHOD, *PACPI_CTL_METHOD;
// add end '98-07-13
typedef struct tag_DisplayStatusStruc
{
DWORD SizeofStruc;
DWORD AvailableDisplay;
DWORD CurrentDisplay;
} DisplayStatusStruc;
class CTVControl
{
public:
CTVControl( void );
~CTVControl( void );
BOOL Initialize( void );
BOOL Uninitialize( void );
BOOL GetDisplayStatus( PVOID status );
BOOL SetDisplayStatus( PVOID status );
BOOL SetTVOutput( DWORD status );
private:
GHCI_INTERFACE inputreg; // add by do '98-07-13
BOOL is_init_success; // add by do '98-08-04
UNICODE_STRING UNameString;
KEVENT event;
PDEVICE_OBJECT TvaldDeviceObject;
// void Tvald_GHCI( PGHCI_INTERFACE pinputreg );
BOOL Tvald_GHCI( PGHCI_INTERFACE pinputreg );
};