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122 lines
4.6 KiB
122 lines
4.6 KiB
/************************************************************************/
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/* */
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/* INIT_CX.H */
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/* */
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/* Nov 15 1993 (c) 1993, ATI Technologies Incorporated. */
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/************************************************************************/
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/********************** PolyTron RCS Utilities
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$Revision: 1.6 $
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$Date: 15 May 1996 16:35:10 $
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$Author: RWolff $
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$Log: S:/source/wnt/ms11/miniport/archive/init_cx.h_v $
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*
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* Rev 1.6 15 May 1996 16:35:10 RWolff
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* Updated prototype for SetCurrentMode_cx() to allow reporting
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* of failure on mode set.
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*
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* Rev 1.5 03 Feb 1995 15:16:24 RWOLFF
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* Added prototypes for functions used in DCI support.
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*
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* Rev 1.4 11 Jan 1995 14:02:48 RWOLFF
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* Added prototype for RestoreMemSize_cx().
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*
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* Rev 1.3 12 May 1994 11:14:36 RWOLFF
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* Definitions and data structures used by new routine SetModeFromTable_cx()
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*
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* Rev 1.2 31 Mar 1994 15:05:38 RWOLFF
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* Added prototype for SetPowerManagement_cx().
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*
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* Rev 1.1 03 Mar 1994 12:37:20 ASHANMUG
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*
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* Rev 1.0 31 Jan 1994 11:41:50 RWOLFF
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* Initial revision.
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*
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* Rev 1.0 30 Nov 1993 18:32:58 RWOLFF
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* Initial revision.
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End of PolyTron RCS section *****************/
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#ifdef DOC
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INIT_CX.H - Header file for INIT_CX.C
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#endif
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/*
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* Prototypes for functions supplied by INIT_CX.C
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*/
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extern void Initialize_cx(void);
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extern VP_STATUS MapVideoMemory_cx(PVIDEO_REQUEST_PACKET RequestPacket, struct query_structure *QueryPtr);
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extern VP_STATUS QueryPublicAccessRanges_cx(PVIDEO_REQUEST_PACKET RequestPacket);
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extern VP_STATUS QueryCurrentMode_cx(PVIDEO_REQUEST_PACKET RequestPacket, struct query_structure *QueryPtr);
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extern VP_STATUS QueryAvailModes_cx(PVIDEO_REQUEST_PACKET RequestPacket, struct query_structure *QueryPtr);
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extern VP_STATUS SetCurrentMode_cx(struct query_structure *QueryPtr, struct st_mode_table *CrtTable);
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extern void SetPalette_cx(PULONG lpPalette, USHORT StartIndex, USHORT Count);
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extern void IdentityMapPalette_cx(void);
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extern void ResetDevice_cx(void);
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extern VP_STATUS SetPowerManagement_cx(ULONG DpmsState);
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DWORD GetPowerManagement_cx(
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PHW_DEVICE_EXTENSION phwDeviceExtension
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);
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extern void RestoreMemSize_cx(void);
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extern VP_STATUS ShareVideoMemory_cx(PVIDEO_REQUEST_PACKET RequestPacket, struct query_structure *QueryPtr);
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extern void BankMap_cx(ULONG BankRead, ULONG BankWrite, PVOID Context);
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#ifdef INCLUDE_INIT_CX
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/*
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* Private definitions used in INIT_CX.C
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*/
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/*
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* Value to put in low byte of cx_bios_set_from_table.cx_bs_mode_select
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* to indicate that this is an accelerator mode.
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*/
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#define CX_BS_MODE_SELECT_ACC 0x0080
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/*
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* Bit fields in cx_bios_set_from_table.cx_bs_flags
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*/
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#define CX_BS_FLAGS_MUX 0x0400
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#define CX_BS_FLAGS_INTERLACED 0x0200
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#define CX_BS_FLAGS_ALL_PARMS 0x0010
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/*
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* Value to put in high byte of cx_bios_set_from_table.cx_bs_v_sync_wid
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* to force use of the pixel clock frequency in the cx_bs_dot_clock
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* field rather than a divisor/selector pair.
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*/
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#define CX_BS_V_SYNC_WID_CLK 0xFF00
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/*
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* Mode table structure used in setting the video mode using CH=0x81
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* AX=??00 BIOS call.
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*
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* The alignment of fields within the table expected by the BIOS
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* does not match the default structure alignment of the Windows NT
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* C compiler, so we must force byte alignment.
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*/
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#pragma pack(1)
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struct cx_bios_set_from_table{
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WORD cx_bs_reserved_1; /* Reserved */
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WORD cx_bs_mode_select; /* Resolution to use */
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WORD cx_bs_flags; /* Flags to indicate various conditions */
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WORD cx_bs_h_tot_disp; /* Horizontal total and displayed values */
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WORD cx_bs_h_sync_strt_wid; /* Horizontal sync start and width */
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WORD cx_bs_v_total; /* Vertical total */
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WORD cx_bs_v_disp; /* Vertical displayed */
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WORD cx_bs_v_sync_strt; /* Vertical sync start */
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WORD cx_bs_v_sync_wid; /* Vertical sync width */
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WORD cx_bs_dot_clock; /* Pixel clock frequency to use */
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WORD cx_bs_h_overscan; /* Horizontal overscan information */
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WORD cx_bs_v_overscan; /* Vertical overscan information */
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WORD cx_bs_overscan_8b; /* 8BPP and blue overscan colour */
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WORD cx_bs_overscan_gr; /* Green and red overscan colour */
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WORD cx_bs_reserved_2; /* Reserved */
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};
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#pragma pack()
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#endif
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