diff options
Diffstat (limited to 'xorg-server/hw/xfree86/vgahw/vgaHW.h')
-rw-r--r-- | xorg-server/hw/xfree86/vgahw/vgaHW.h | 470 |
1 files changed, 235 insertions, 235 deletions
diff --git a/xorg-server/hw/xfree86/vgahw/vgaHW.h b/xorg-server/hw/xfree86/vgahw/vgaHW.h index 7e63492d8..d7ac3cc62 100644 --- a/xorg-server/hw/xfree86/vgahw/vgaHW.h +++ b/xorg-server/hw/xfree86/vgahw/vgaHW.h @@ -1,235 +1,235 @@ - - -/* - * Copyright (c) 1997,1998 The XFree86 Project, Inc. - * - * Loosely based on code bearing the following copyright: - * - * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. - * - * Author: Dirk Hohndel - */ - -#ifndef _VGAHW_H -#define _VGAHW_H - -#include <X11/X.h> -#include "misc.h" -#include "input.h" -#include "scrnintstr.h" -#include "colormapst.h" - -#include "xf86str.h" -#include "xf86Pci.h" - -#include "xf86DDC.h" - -#include "globals.h" -#include <X11/extensions/dpmsconst.h> - -extern _X_EXPORT int vgaHWGetIndex(void); - -/* - * access macro - */ -#define VGAHWPTR(p) ((vgaHWPtr)((p)->privates[vgaHWGetIndex()].ptr)) - -/* Standard VGA registers */ -#define VGA_ATTR_INDEX 0x3C0 -#define VGA_ATTR_DATA_W 0x3C0 -#define VGA_ATTR_DATA_R 0x3C1 -#define VGA_IN_STAT_0 0x3C2 /* read */ -#define VGA_MISC_OUT_W 0x3C2 /* write */ -#define VGA_ENABLE 0x3C3 -#define VGA_SEQ_INDEX 0x3C4 -#define VGA_SEQ_DATA 0x3C5 -#define VGA_DAC_MASK 0x3C6 -#define VGA_DAC_READ_ADDR 0x3C7 -#define VGA_DAC_WRITE_ADDR 0x3C8 -#define VGA_DAC_DATA 0x3C9 -#define VGA_FEATURE_R 0x3CA /* read */ -#define VGA_MISC_OUT_R 0x3CC /* read */ -#define VGA_GRAPH_INDEX 0x3CE -#define VGA_GRAPH_DATA 0x3CF - -#define VGA_IOBASE_MONO 0x3B0 -#define VGA_IOBASE_COLOR 0x3D0 - -#define VGA_CRTC_INDEX_OFFSET 0x04 -#define VGA_CRTC_DATA_OFFSET 0x05 -#define VGA_IN_STAT_1_OFFSET 0x0A /* read */ -#define VGA_FEATURE_W_OFFSET 0x0A /* write */ - -/* default number of VGA registers stored internally */ -#define VGA_NUM_CRTC 25 -#define VGA_NUM_SEQ 5 -#define VGA_NUM_GFX 9 -#define VGA_NUM_ATTR 21 - -/* Flags for vgaHWSave() and vgaHWRestore() */ -#define VGA_SR_MODE 0x01 -#define VGA_SR_FONTS 0x02 -#define VGA_SR_CMAP 0x04 -#define VGA_SR_ALL (VGA_SR_MODE | VGA_SR_FONTS | VGA_SR_CMAP) - -/* Defaults for the VGA memory window */ -#define VGA_DEFAULT_PHYS_ADDR 0xA0000 -#define VGA_DEFAULT_MEM_SIZE (64 * 1024) - -/* - * vgaRegRec contains settings of standard VGA registers. - */ -typedef struct { - unsigned char MiscOutReg; /* */ - unsigned char *CRTC; /* Crtc Controller */ - unsigned char *Sequencer; /* Video Sequencer */ - unsigned char *Graphics; /* Video Graphics */ - unsigned char *Attribute; /* Video Atribute */ - unsigned char DAC[768]; /* Internal Colorlookuptable */ - unsigned char numCRTC; /* number of CRTC registers, def=VGA_NUM_CRTC */ - unsigned char numSequencer; /* number of seq registers, def=VGA_NUM_SEQ */ - unsigned char numGraphics; /* number of gfx registers, def=VGA_NUM_GFX */ - unsigned char numAttribute; /* number of attr registers, def=VGA_NUM_ATTR */ -} vgaRegRec, *vgaRegPtr; - -typedef struct _vgaHWRec *vgaHWPtr; - -typedef void (*vgaHWWriteIndexProcPtr)(vgaHWPtr hwp, CARD8 indx, CARD8 value); -typedef CARD8 (*vgaHWReadIndexProcPtr)(vgaHWPtr hwp, CARD8 indx); -typedef void (*vgaHWWriteProcPtr)(vgaHWPtr hwp, CARD8 value); -typedef CARD8 (*vgaHWReadProcPtr)(vgaHWPtr hwp); -typedef void (*vgaHWMiscProcPtr)(vgaHWPtr hwp); - - -/* - * vgaHWRec contains per-screen information required by the vgahw module. - * - * Note, the palette referred to by the paletteEnabled, enablePalette and - * disablePalette is the 16-entry (+overscan) EGA-compatible palette accessed - * via the first 17 attribute registers and not the main 8-bit palette. - */ -typedef struct _vgaHWRec { - pointer Base; /* Address of "VGA" memory */ - int MapSize; /* Size of "VGA" memory */ - unsigned long MapPhys; /* phys location of VGA mem */ - int IOBase; /* I/O Base address */ - CARD8 * MMIOBase; /* Pointer to MMIO start */ - int MMIOOffset; /* base + offset + vgareg - = mmioreg */ - pointer FontInfo1; /* save area for fonts in - plane 2 */ - pointer FontInfo2; /* save area for fonts in - plane 3 */ - pointer TextInfo; /* save area for text */ - vgaRegRec SavedReg; /* saved registers */ - vgaRegRec ModeReg; /* register settings for - current mode */ - Bool ShowOverscan; - Bool paletteEnabled; - Bool cmapSaved; - ScrnInfoPtr pScrn; - vgaHWWriteIndexProcPtr writeCrtc; - vgaHWReadIndexProcPtr readCrtc; - vgaHWWriteIndexProcPtr writeGr; - vgaHWReadIndexProcPtr readGr; - vgaHWReadProcPtr readST00; - vgaHWReadProcPtr readST01; - vgaHWReadProcPtr readFCR; - vgaHWWriteProcPtr writeFCR; - vgaHWWriteIndexProcPtr writeAttr; - vgaHWReadIndexProcPtr readAttr; - vgaHWWriteIndexProcPtr writeSeq; - vgaHWReadIndexProcPtr readSeq; - vgaHWWriteProcPtr writeMiscOut; - vgaHWReadProcPtr readMiscOut; - vgaHWMiscProcPtr enablePalette; - vgaHWMiscProcPtr disablePalette; - vgaHWWriteProcPtr writeDacMask; - vgaHWReadProcPtr readDacMask; - vgaHWWriteProcPtr writeDacWriteAddr; - vgaHWWriteProcPtr writeDacReadAddr; - vgaHWWriteProcPtr writeDacData; - vgaHWReadProcPtr readDacData; - pointer ddc; - IOADDRESS PIOOffset; /* offset + vgareg - = pioreg */ - vgaHWReadProcPtr readEnable; - vgaHWWriteProcPtr writeEnable; - struct pci_device *dev; -} vgaHWRec; - -/* Some macros that VGA drivers can use in their ChipProbe() function */ -#define VGAHW_GET_IOBASE() ((inb(VGA_MISC_OUT_R) & 0x01) ? \ - VGA_IOBASE_COLOR : VGA_IOBASE_MONO) - -#define OVERSCAN 0x11 /* Index of OverScan register */ - -/* Flags that define how overscan correction should take place */ -#define KGA_FIX_OVERSCAN 1 /* overcan correction required */ -#define KGA_ENABLE_ON_ZERO 2 /* if possible enable display at beginning */ - /* of next scanline/frame */ -#define KGA_BE_TOT_DEC 4 /* always fix problem by setting blank end */ - /* to total - 1 */ -#define BIT_PLANE 3 /* Which plane we write to in mono mode */ -#define BITS_PER_GUN 6 -#define COLORMAP_SIZE 256 - -#if defined(__powerpc__) || defined(__arm__) || defined(__s390__) -#define DACDelay(hw) /* No legacy VGA support */ -#else -#define DACDelay(hw) \ - do { \ - (void)inb((hw)->PIOOffset + (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ - (void)inb((hw)->PIOOffset + (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ - } while (0) -#endif - -/* Function Prototypes */ - -/* vgaHW.c */ - -typedef void vgaHWProtectProc(ScrnInfoPtr, Bool); -typedef void vgaHWBlankScreenProc(ScrnInfoPtr, Bool); - -extern _X_EXPORT void vgaHWSetStdFuncs(vgaHWPtr hwp); -extern _X_EXPORT void vgaHWSetMmioFuncs(vgaHWPtr hwp, CARD8 *base, int offset); -extern _X_EXPORT void vgaHWProtect(ScrnInfoPtr pScrn, Bool on); -extern _X_EXPORT vgaHWProtectProc *vgaHWProtectWeak(void); -extern _X_EXPORT Bool vgaHWSaveScreen(ScreenPtr pScreen, int mode); -extern _X_EXPORT void vgaHWBlankScreen(ScrnInfoPtr pScrn, Bool on); -extern _X_EXPORT vgaHWBlankScreenProc *vgaHWBlankScreenWeak(void); -extern _X_EXPORT void vgaHWSeqReset(vgaHWPtr hwp, Bool start); -extern _X_EXPORT void vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore); -extern _X_EXPORT void vgaHWRestoreMode(ScrnInfoPtr scrninfp, vgaRegPtr restore); -extern _X_EXPORT void vgaHWRestoreColormap(ScrnInfoPtr scrninfp, vgaRegPtr restore); -extern _X_EXPORT void vgaHWRestore(ScrnInfoPtr scrninfp, vgaRegPtr restore, int flags); -extern _X_EXPORT void vgaHWSaveFonts(ScrnInfoPtr scrninfp, vgaRegPtr save); -extern _X_EXPORT void vgaHWSaveMode(ScrnInfoPtr scrninfp, vgaRegPtr save); -extern _X_EXPORT void vgaHWSaveColormap(ScrnInfoPtr scrninfp, vgaRegPtr save); -extern _X_EXPORT void vgaHWSave(ScrnInfoPtr scrninfp, vgaRegPtr save, int flags); -extern _X_EXPORT Bool vgaHWInit(ScrnInfoPtr scrnp, DisplayModePtr mode); -extern _X_EXPORT Bool vgaHWSetRegCounts(ScrnInfoPtr scrp, int numCRTC, int numSequencer, - int numGraphics, int numAttribute); -extern _X_EXPORT Bool vgaHWCopyReg(vgaRegPtr dst, vgaRegPtr src); -extern _X_EXPORT Bool vgaHWGetHWRec(ScrnInfoPtr scrp); -extern _X_EXPORT void vgaHWFreeHWRec(ScrnInfoPtr scrp); -extern _X_EXPORT Bool vgaHWMapMem(ScrnInfoPtr scrp); -extern _X_EXPORT void vgaHWUnmapMem(ScrnInfoPtr scrp); -extern _X_EXPORT void vgaHWGetIOBase(vgaHWPtr hwp); -extern _X_EXPORT void vgaHWLock(vgaHWPtr hwp); -extern _X_EXPORT void vgaHWUnlock(vgaHWPtr hwp); -extern _X_EXPORT void vgaHWEnable(vgaHWPtr hwp); -extern _X_EXPORT void vgaHWDisable(vgaHWPtr hwp); -extern _X_EXPORT void vgaHWDPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags); -extern _X_EXPORT Bool vgaHWHandleColormaps(ScreenPtr pScreen); -extern _X_EXPORT void vgaHWddc1SetSpeed(ScrnInfoPtr pScrn, xf86ddcSpeed speed); -extern _X_EXPORT CARD32 vgaHWHBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits, - unsigned int Flags); -extern _X_EXPORT CARD32 vgaHWVBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits, - unsigned int Flags); -extern _X_EXPORT Bool vgaHWAllocDefaultRegs(vgaRegPtr regp); - -extern _X_EXPORT DDC1SetSpeedProc vgaHWddc1SetSpeedWeak(void); -extern _X_EXPORT SaveScreenProcPtr vgaHWSaveScreenWeak(void); - -#endif /* _VGAHW_H */ +
+
+/*
+ * Copyright (c) 1997,1998 The XFree86 Project, Inc.
+ *
+ * Loosely based on code bearing the following copyright:
+ *
+ * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
+ *
+ * Author: Dirk Hohndel
+ */
+
+#ifndef _VGAHW_H
+#define _VGAHW_H
+
+#include <X11/X.h>
+#include "misc.h"
+#include "input.h"
+#include "scrnintstr.h"
+#include "colormapst.h"
+
+#include "xf86str.h"
+#include "xf86Pci.h"
+
+#include "xf86DDC.h"
+
+#include "globals.h"
+#include <X11/extensions/dpmsconst.h>
+
+extern _X_EXPORT int vgaHWGetIndex(void);
+
+/*
+ * access macro
+ */
+#define VGAHWPTR(p) ((vgaHWPtr)((p)->privates[vgaHWGetIndex()].ptr))
+
+/* Standard VGA registers */
+#define VGA_ATTR_INDEX 0x3C0
+#define VGA_ATTR_DATA_W 0x3C0
+#define VGA_ATTR_DATA_R 0x3C1
+#define VGA_IN_STAT_0 0x3C2 /* read */
+#define VGA_MISC_OUT_W 0x3C2 /* write */
+#define VGA_ENABLE 0x3C3
+#define VGA_SEQ_INDEX 0x3C4
+#define VGA_SEQ_DATA 0x3C5
+#define VGA_DAC_MASK 0x3C6
+#define VGA_DAC_READ_ADDR 0x3C7
+#define VGA_DAC_WRITE_ADDR 0x3C8
+#define VGA_DAC_DATA 0x3C9
+#define VGA_FEATURE_R 0x3CA /* read */
+#define VGA_MISC_OUT_R 0x3CC /* read */
+#define VGA_GRAPH_INDEX 0x3CE
+#define VGA_GRAPH_DATA 0x3CF
+
+#define VGA_IOBASE_MONO 0x3B0
+#define VGA_IOBASE_COLOR 0x3D0
+
+#define VGA_CRTC_INDEX_OFFSET 0x04
+#define VGA_CRTC_DATA_OFFSET 0x05
+#define VGA_IN_STAT_1_OFFSET 0x0A /* read */
+#define VGA_FEATURE_W_OFFSET 0x0A /* write */
+
+/* default number of VGA registers stored internally */
+#define VGA_NUM_CRTC 25
+#define VGA_NUM_SEQ 5
+#define VGA_NUM_GFX 9
+#define VGA_NUM_ATTR 21
+
+/* Flags for vgaHWSave() and vgaHWRestore() */
+#define VGA_SR_MODE 0x01
+#define VGA_SR_FONTS 0x02
+#define VGA_SR_CMAP 0x04
+#define VGA_SR_ALL (VGA_SR_MODE | VGA_SR_FONTS | VGA_SR_CMAP)
+
+/* Defaults for the VGA memory window */
+#define VGA_DEFAULT_PHYS_ADDR 0xA0000
+#define VGA_DEFAULT_MEM_SIZE (64 * 1024)
+
+/*
+ * vgaRegRec contains settings of standard VGA registers.
+ */
+typedef struct {
+ unsigned char MiscOutReg; /* */
+ unsigned char *CRTC; /* Crtc Controller */
+ unsigned char *Sequencer; /* Video Sequencer */
+ unsigned char *Graphics; /* Video Graphics */
+ unsigned char *Attribute; /* Video Atribute */
+ unsigned char DAC[768]; /* Internal Colorlookuptable */
+ unsigned char numCRTC; /* number of CRTC registers, def=VGA_NUM_CRTC */
+ unsigned char numSequencer; /* number of seq registers, def=VGA_NUM_SEQ */
+ unsigned char numGraphics; /* number of gfx registers, def=VGA_NUM_GFX */
+ unsigned char numAttribute; /* number of attr registers, def=VGA_NUM_ATTR */
+} vgaRegRec, *vgaRegPtr;
+
+typedef struct _vgaHWRec *vgaHWPtr;
+
+typedef void (*vgaHWWriteIndexProcPtr)(vgaHWPtr hwp, CARD8 indx, CARD8 value);
+typedef CARD8 (*vgaHWReadIndexProcPtr)(vgaHWPtr hwp, CARD8 indx);
+typedef void (*vgaHWWriteProcPtr)(vgaHWPtr hwp, CARD8 value);
+typedef CARD8 (*vgaHWReadProcPtr)(vgaHWPtr hwp);
+typedef void (*vgaHWMiscProcPtr)(vgaHWPtr hwp);
+
+
+/*
+ * vgaHWRec contains per-screen information required by the vgahw module.
+ *
+ * Note, the palette referred to by the paletteEnabled, enablePalette and
+ * disablePalette is the 16-entry (+overscan) EGA-compatible palette accessed
+ * via the first 17 attribute registers and not the main 8-bit palette.
+ */
+typedef struct _vgaHWRec {
+ pointer Base; /* Address of "VGA" memory */
+ int MapSize; /* Size of "VGA" memory */
+ unsigned long MapPhys; /* phys location of VGA mem */
+ int IOBase; /* I/O Base address */
+ CARD8 * MMIOBase; /* Pointer to MMIO start */
+ int MMIOOffset; /* base + offset + vgareg
+ = mmioreg */
+ pointer FontInfo1; /* save area for fonts in
+ plane 2 */
+ pointer FontInfo2; /* save area for fonts in
+ plane 3 */
+ pointer TextInfo; /* save area for text */
+ vgaRegRec SavedReg; /* saved registers */
+ vgaRegRec ModeReg; /* register settings for
+ current mode */
+ Bool ShowOverscan;
+ Bool paletteEnabled;
+ Bool cmapSaved;
+ ScrnInfoPtr pScrn;
+ vgaHWWriteIndexProcPtr writeCrtc;
+ vgaHWReadIndexProcPtr readCrtc;
+ vgaHWWriteIndexProcPtr writeGr;
+ vgaHWReadIndexProcPtr readGr;
+ vgaHWReadProcPtr readST00;
+ vgaHWReadProcPtr readST01;
+ vgaHWReadProcPtr readFCR;
+ vgaHWWriteProcPtr writeFCR;
+ vgaHWWriteIndexProcPtr writeAttr;
+ vgaHWReadIndexProcPtr readAttr;
+ vgaHWWriteIndexProcPtr writeSeq;
+ vgaHWReadIndexProcPtr readSeq;
+ vgaHWWriteProcPtr writeMiscOut;
+ vgaHWReadProcPtr readMiscOut;
+ vgaHWMiscProcPtr enablePalette;
+ vgaHWMiscProcPtr disablePalette;
+ vgaHWWriteProcPtr writeDacMask;
+ vgaHWReadProcPtr readDacMask;
+ vgaHWWriteProcPtr writeDacWriteAddr;
+ vgaHWWriteProcPtr writeDacReadAddr;
+ vgaHWWriteProcPtr writeDacData;
+ vgaHWReadProcPtr readDacData;
+ pointer ddc;
+ IOADDRESS PIOOffset; /* offset + vgareg
+ = pioreg */
+ vgaHWReadProcPtr readEnable;
+ vgaHWWriteProcPtr writeEnable;
+ struct pci_device *dev;
+} vgaHWRec;
+
+/* Some macros that VGA drivers can use in their ChipProbe() function */
+#define VGAHW_GET_IOBASE() ((inb(VGA_MISC_OUT_R) & 0x01) ? \
+ VGA_IOBASE_COLOR : VGA_IOBASE_MONO)
+
+#define OVERSCAN 0x11 /* Index of OverScan register */
+
+/* Flags that define how overscan correction should take place */
+#define KGA_FIX_OVERSCAN 1 /* overcan correction required */
+#define KGA_ENABLE_ON_ZERO 2 /* if possible enable display at beginning */
+ /* of next scanline/frame */
+#define KGA_BE_TOT_DEC 4 /* always fix problem by setting blank end */
+ /* to total - 1 */
+#define BIT_PLANE 3 /* Which plane we write to in mono mode */
+#define BITS_PER_GUN 6
+#define COLORMAP_SIZE 256
+
+#if defined(__powerpc__) || defined(__arm__) || defined(__s390__) || defined(__nds32__)
+#define DACDelay(hw) /* No legacy VGA support */
+#else
+#define DACDelay(hw) \
+ do { \
+ (void)inb((hw)->PIOOffset + (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \
+ (void)inb((hw)->PIOOffset + (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \
+ } while (0)
+#endif
+
+/* Function Prototypes */
+
+/* vgaHW.c */
+
+typedef void vgaHWProtectProc(ScrnInfoPtr, Bool);
+typedef void vgaHWBlankScreenProc(ScrnInfoPtr, Bool);
+
+extern _X_EXPORT void vgaHWSetStdFuncs(vgaHWPtr hwp);
+extern _X_EXPORT void vgaHWSetMmioFuncs(vgaHWPtr hwp, CARD8 *base, int offset);
+extern _X_EXPORT void vgaHWProtect(ScrnInfoPtr pScrn, Bool on);
+extern _X_EXPORT vgaHWProtectProc *vgaHWProtectWeak(void);
+extern _X_EXPORT Bool vgaHWSaveScreen(ScreenPtr pScreen, int mode);
+extern _X_EXPORT void vgaHWBlankScreen(ScrnInfoPtr pScrn, Bool on);
+extern _X_EXPORT vgaHWBlankScreenProc *vgaHWBlankScreenWeak(void);
+extern _X_EXPORT void vgaHWSeqReset(vgaHWPtr hwp, Bool start);
+extern _X_EXPORT void vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore);
+extern _X_EXPORT void vgaHWRestoreMode(ScrnInfoPtr scrninfp, vgaRegPtr restore);
+extern _X_EXPORT void vgaHWRestoreColormap(ScrnInfoPtr scrninfp, vgaRegPtr restore);
+extern _X_EXPORT void vgaHWRestore(ScrnInfoPtr scrninfp, vgaRegPtr restore, int flags);
+extern _X_EXPORT void vgaHWSaveFonts(ScrnInfoPtr scrninfp, vgaRegPtr save);
+extern _X_EXPORT void vgaHWSaveMode(ScrnInfoPtr scrninfp, vgaRegPtr save);
+extern _X_EXPORT void vgaHWSaveColormap(ScrnInfoPtr scrninfp, vgaRegPtr save);
+extern _X_EXPORT void vgaHWSave(ScrnInfoPtr scrninfp, vgaRegPtr save, int flags);
+extern _X_EXPORT Bool vgaHWInit(ScrnInfoPtr scrnp, DisplayModePtr mode);
+extern _X_EXPORT Bool vgaHWSetRegCounts(ScrnInfoPtr scrp, int numCRTC, int numSequencer,
+ int numGraphics, int numAttribute);
+extern _X_EXPORT Bool vgaHWCopyReg(vgaRegPtr dst, vgaRegPtr src);
+extern _X_EXPORT Bool vgaHWGetHWRec(ScrnInfoPtr scrp);
+extern _X_EXPORT void vgaHWFreeHWRec(ScrnInfoPtr scrp);
+extern _X_EXPORT Bool vgaHWMapMem(ScrnInfoPtr scrp);
+extern _X_EXPORT void vgaHWUnmapMem(ScrnInfoPtr scrp);
+extern _X_EXPORT void vgaHWGetIOBase(vgaHWPtr hwp);
+extern _X_EXPORT void vgaHWLock(vgaHWPtr hwp);
+extern _X_EXPORT void vgaHWUnlock(vgaHWPtr hwp);
+extern _X_EXPORT void vgaHWEnable(vgaHWPtr hwp);
+extern _X_EXPORT void vgaHWDisable(vgaHWPtr hwp);
+extern _X_EXPORT void vgaHWDPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
+extern _X_EXPORT Bool vgaHWHandleColormaps(ScreenPtr pScreen);
+extern _X_EXPORT void vgaHWddc1SetSpeed(ScrnInfoPtr pScrn, xf86ddcSpeed speed);
+extern _X_EXPORT CARD32 vgaHWHBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits,
+ unsigned int Flags);
+extern _X_EXPORT CARD32 vgaHWVBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits,
+ unsigned int Flags);
+extern _X_EXPORT Bool vgaHWAllocDefaultRegs(vgaRegPtr regp);
+
+extern _X_EXPORT DDC1SetSpeedProc vgaHWddc1SetSpeedWeak(void);
+extern _X_EXPORT SaveScreenProcPtr vgaHWSaveScreenWeak(void);
+
+#endif /* _VGAHW_H */
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