diff options
Diffstat (limited to 'xorg-server/hw/xfree86/vgahw/vgaHW.h')
| -rw-r--r-- | xorg-server/hw/xfree86/vgahw/vgaHW.h | 468 |
1 files changed, 233 insertions, 235 deletions
diff --git a/xorg-server/hw/xfree86/vgahw/vgaHW.h b/xorg-server/hw/xfree86/vgahw/vgaHW.h index d7ac3cc62..e943aa391 100644 --- a/xorg-server/hw/xfree86/vgahw/vgaHW.h +++ b/xorg-server/hw/xfree86/vgahw/vgaHW.h @@ -1,235 +1,233 @@ -
-
-/*
- * 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 */
+ + +/* + * 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; + struct pci_io_handle *io; + vgaHWReadProcPtr readEnable; + vgaHWWriteProcPtr writeEnable; + struct pci_device *dev; +} vgaHWRec; + +/* Some macros that VGA drivers can use in their ChipProbe() function */ +#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 + +#define DACDelay(hw) \ + do { \ + pci_io_read8((hw)->io, (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ + pci_io_read8((hw)->io, (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ + } while (0) + +/* 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); +extern _X_EXPORT void xf86GetClocks(ScrnInfoPtr pScrn, int num, + Bool (*ClockFunc)(ScrnInfoPtr, int), + void (*ProtectRegs)(ScrnInfoPtr, Bool), + void (*BlankScreen)(ScrnInfoPtr, Bool), + unsigned long vertsyncreg, int maskval, + int knownclkindex, int knownclkvalue); + +#endif /* _VGAHW_H */ |