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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/vgahw/vgaHW.h
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/hw/xfree86/vgahw/vgaHW.h')
-rw-r--r--xorg-server/hw/xfree86/vgahw/vgaHW.h236
1 files changed, 236 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/vgahw/vgaHW.h b/xorg-server/hw/xfree86/vgahw/vgaHW.h
new file mode 100644
index 000000000..a38ea7559
--- /dev/null
+++ b/xorg-server/hw/xfree86/vgahw/vgaHW.h
@@ -0,0 +1,236 @@
+
+
+/*
+ * 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"
+#define DPMS_SERVER
+#include <X11/extensions/dpms.h>
+
+extern 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);
+
+void vgaHWSetStdFuncs(vgaHWPtr hwp);
+void vgaHWSetMmioFuncs(vgaHWPtr hwp, CARD8 *base, int offset);
+void vgaHWProtect(ScrnInfoPtr pScrn, Bool on);
+vgaHWProtectProc *vgaHWProtectWeak(void);
+Bool vgaHWSaveScreen(ScreenPtr pScreen, int mode);
+void vgaHWBlankScreen(ScrnInfoPtr pScrn, Bool on);
+vgaHWBlankScreenProc *vgaHWBlankScreenWeak(void);
+void vgaHWSeqReset(vgaHWPtr hwp, Bool start);
+void vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore);
+void vgaHWRestoreMode(ScrnInfoPtr scrninfp, vgaRegPtr restore);
+void vgaHWRestoreColormap(ScrnInfoPtr scrninfp, vgaRegPtr restore);
+void vgaHWRestore(ScrnInfoPtr scrninfp, vgaRegPtr restore, int flags);
+void vgaHWSaveFonts(ScrnInfoPtr scrninfp, vgaRegPtr save);
+void vgaHWSaveMode(ScrnInfoPtr scrninfp, vgaRegPtr save);
+void vgaHWSaveColormap(ScrnInfoPtr scrninfp, vgaRegPtr save);
+void vgaHWSave(ScrnInfoPtr scrninfp, vgaRegPtr save, int flags);
+Bool vgaHWInit(ScrnInfoPtr scrnp, DisplayModePtr mode);
+Bool vgaHWSetRegCounts(ScrnInfoPtr scrp, int numCRTC, int numSequencer,
+ int numGraphics, int numAttribute);
+Bool vgaHWCopyReg(vgaRegPtr dst, vgaRegPtr src);
+Bool vgaHWGetHWRec(ScrnInfoPtr scrp);
+void vgaHWFreeHWRec(ScrnInfoPtr scrp);
+Bool vgaHWMapMem(ScrnInfoPtr scrp);
+void vgaHWUnmapMem(ScrnInfoPtr scrp);
+void vgaHWGetIOBase(vgaHWPtr hwp);
+void vgaHWLock(vgaHWPtr hwp);
+void vgaHWUnlock(vgaHWPtr hwp);
+void vgaHWEnable(vgaHWPtr hwp);
+void vgaHWDisable(vgaHWPtr hwp);
+void vgaHWDPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
+Bool vgaHWHandleColormaps(ScreenPtr pScreen);
+void vgaHWddc1SetSpeed(ScrnInfoPtr pScrn, xf86ddcSpeed speed);
+CARD32 vgaHWHBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits,
+ unsigned int Flags);
+CARD32 vgaHWVBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits,
+ unsigned int Flags);
+Bool vgaHWAllocDefaultRegs(vgaRegPtr regp);
+
+DDC1SetSpeedProc vgaHWddc1SetSpeedWeak(void);
+SaveScreenProcPtr vgaHWSaveScreenWeak(void);
+
+#endif /* _VGAHW_H */