diff options
Diffstat (limited to 'xorg-server/hw/xfree86/vbe/vbe.h')
| -rw-r--r-- | xorg-server/hw/xfree86/vbe/vbe.h | 698 |
1 files changed, 357 insertions, 341 deletions
diff --git a/xorg-server/hw/xfree86/vbe/vbe.h b/xorg-server/hw/xfree86/vbe/vbe.h index 5bb163df8..81be0ff40 100644 --- a/xorg-server/hw/xfree86/vbe/vbe.h +++ b/xorg-server/hw/xfree86/vbe/vbe.h @@ -1,341 +1,357 @@ -
-/*
- * XFree86 vbe module
- * Copyright 2000 Egbert Eich
- *
- * The mode query/save/set/restore functions from the vesa driver
- * have been moved here.
- * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
- * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br>
- */
-
-#ifndef _VBE_H
-#define _VBE_H
-#include "xf86int10.h"
-#include "xf86DDC.h"
-
-typedef enum {
- DDC_UNCHECKED,
- DDC_NONE,
- DDC_1,
- DDC_2,
- DDC_1_2
-}
-ddc_lvl;
-
-typedef struct {
- xf86Int10InfoPtr pInt10;
- int version;
- pointer memory;
- int real_mode_base;
- int num_pages;
- Bool init_int10;
- ddc_lvl ddc;
- Bool ddc_blank;
-} vbeInfoRec, *vbeInfoPtr;
-
-#define VBE_VERSION_MAJOR(x) *((CARD8*)(&x) + 1)
-#define VBE_VERSION_MINOR(x) (CARD8)(x)
-
-extern _X_EXPORT vbeInfoPtr VBEInit(xf86Int10InfoPtr pInt, int entityIndex);
-extern _X_EXPORT vbeInfoPtr VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags);
-extern _X_EXPORT void vbeFree(vbeInfoPtr pVbe);
-extern _X_EXPORT xf86MonPtr vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule);
-
-#pragma pack(1)
-
-typedef struct vbeControllerInfoBlock {
- CARD8 VbeSignature[4];
- CARD16 VbeVersion;
- CARD32 OemStringPtr;
- CARD8 Capabilities[4];
- CARD32 VideoModePtr;
- CARD16 TotalMem;
- CARD16 OemSoftwareRev;
- CARD32 OemVendorNamePtr;
- CARD32 OemProductNamePtr;
- CARD32 OemProductRevPtr;
- CARD8 Scratch[222];
- CARD8 OemData[256];
-} vbeControllerInfoRec, *vbeControllerInfoPtr;
-
-#if defined(__GNUC__) || defined(__USLC__) || defined(__SUNPRO_C)
-#pragma pack() /* All GCC versions recognise this syntax */
-#else
-#pragma pack(0)
-#endif
-
-#if !( defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) )
-#define __attribute__(a)
-#endif
-
-typedef struct _VbeInfoBlock VbeInfoBlock;
-typedef struct _VbeModeInfoBlock VbeModeInfoBlock;
-typedef struct _VbeCRTCInfoBlock VbeCRTCInfoBlock;
-
-/*
- * INT 0
- */
-
-struct _VbeInfoBlock {
- /* VESA 1.2 fields */
- CARD8 VESASignature[4]; /* VESA */
- CARD16 VESAVersion; /* Higher byte major, lower byte minor */
- /*CARD32*/char *OEMStringPtr; /* Pointer to OEM string */
- CARD8 Capabilities[4]; /* Capabilities of the video environment */
-
- /*CARD32*/CARD16 *VideoModePtr; /* pointer to supported Super VGA modes */
-
- CARD16 TotalMemory; /* Number of 64kb memory blocks on board */
- /* if not VESA 2, 236 scratch bytes follow (256 bytes total size) */
-
- /* VESA 2 fields */
- CARD16 OemSoftwareRev; /* VBE implementation Software revision */
- /*CARD32*/char *OemVendorNamePtr; /* Pointer to Vendor Name String */
- /*CARD32*/char *OemProductNamePtr; /* Pointer to Product Name String */
- /*CARD32*/char *OemProductRevPtr; /* Pointer to Product Revision String */
- CARD8 Reserved[222]; /* Reserved for VBE implementation */
- CARD8 OemData[256]; /* Data Area for OEM Strings */
-} __attribute__((packed));
-
-/* Return Super VGA Information */
-extern _X_EXPORT VbeInfoBlock *VBEGetVBEInfo(vbeInfoPtr pVbe);
-extern _X_EXPORT void VBEFreeVBEInfo(VbeInfoBlock *block);
-
-/*
- * INT 1
- */
-
-struct _VbeModeInfoBlock {
- CARD16 ModeAttributes; /* mode attributes */
- CARD8 WinAAttributes; /* window A attributes */
- CARD8 WinBAttributes; /* window B attributes */
- CARD16 WinGranularity; /* window granularity */
- CARD16 WinSize; /* window size */
- CARD16 WinASegment; /* window A start segment */
- CARD16 WinBSegment; /* window B start segment */
- CARD32 WinFuncPtr; /* real mode pointer to window function */
- CARD16 BytesPerScanline; /* bytes per scanline */
-
- /* Mandatory information for VBE 1.2 and above */
- CARD16 XResolution; /* horizontal resolution in pixels or characters */
- CARD16 YResolution; /* vertical resolution in pixels or characters */
- CARD8 XCharSize; /* character cell width in pixels */
- CARD8 YCharSize; /* character cell height in pixels */
- CARD8 NumberOfPlanes; /* number of memory planes */
- CARD8 BitsPerPixel; /* bits per pixel */
- CARD8 NumberOfBanks; /* number of banks */
- CARD8 MemoryModel; /* memory model type */
- CARD8 BankSize; /* bank size in KB */
- CARD8 NumberOfImages; /* number of images */
- CARD8 Reserved; /* 1 */ /* reserved for page function */
-
- /* Direct color fields (required for direct/6 and YUV/7 memory models) */
- CARD8 RedMaskSize; /* size of direct color red mask in bits */
- CARD8 RedFieldPosition; /* bit position of lsb of red mask */
- CARD8 GreenMaskSize; /* size of direct color green mask in bits */
- CARD8 GreenFieldPosition; /* bit position of lsb of green mask */
- CARD8 BlueMaskSize; /* size of direct color blue mask in bits */
- CARD8 BlueFieldPosition; /* bit position of lsb of blue mask */
- CARD8 RsvdMaskSize; /* size of direct color reserved mask in bits */
- CARD8 RsvdFieldPosition; /* bit position of lsb of reserved mask */
- CARD8 DirectColorModeInfo; /* direct color mode attributes */
-
- /* Mandatory information for VBE 2.0 and above */
- CARD32 PhysBasePtr; /* physical address for flat memory frame buffer */
- CARD32 Reserved32; /* 0 */ /* Reserved - always set to 0 */
- CARD16 Reserved16; /* 0 */ /* Reserved - always set to 0 */
-
- /* Mandatory information for VBE 3.0 and above */
- CARD16 LinBytesPerScanLine; /* bytes per scan line for linear modes */
- CARD8 BnkNumberOfImagePages; /* number of images for banked modes */
- CARD8 LinNumberOfImagePages; /* number of images for linear modes */
- CARD8 LinRedMaskSize; /* size of direct color red mask (linear modes) */
- CARD8 LinRedFieldPosition; /* bit position of lsb of red mask (linear modes) */
- CARD8 LinGreenMaskSize; /* size of direct color green mask (linear modes) */
- CARD8 LinGreenFieldPosition; /* bit position of lsb of green mask (linear modes) */
- CARD8 LinBlueMaskSize; /* size of direct color blue mask (linear modes) */
- CARD8 LinBlueFieldPosition; /* bit position of lsb of blue mask (linear modes) */
- CARD8 LinRsvdMaskSize; /* size of direct color reserved mask (linear modes) */
- CARD8 LinRsvdFieldPosition; /* bit position of lsb of reserved mask (linear modes) */
- CARD32 MaxPixelClock; /* maximum pixel clock (in Hz) for graphics mode */
- CARD8 Reserved2[189]; /* remainder of VbeModeInfoBlock */
-} __attribute__((packed));
-
-/* Return VBE Mode Information */
-extern _X_EXPORT VbeModeInfoBlock *VBEGetModeInfo(vbeInfoPtr pVbe, int mode);
-extern _X_EXPORT void VBEFreeModeInfo(VbeModeInfoBlock *block);
-
-/*
- * INT2
- */
-
-#define CRTC_DBLSCAN (1<<0)
-#define CRTC_INTERLACE (1<<1)
-#define CRTC_NHSYNC (1<<2)
-#define CRTC_NVSYNC (1<<3)
-
-struct _VbeCRTCInfoBlock {
- CARD16 HorizontalTotal; /* Horizontal total in pixels */
- CARD16 HorizontalSyncStart; /* Horizontal sync start in pixels */
- CARD16 HorizontalSyncEnd; /* Horizontal sync end in pixels */
- CARD16 VerticalTotal; /* Vertical total in lines */
- CARD16 VerticalSyncStart; /* Vertical sync start in lines */
- CARD16 VerticalSyncEnd; /* Vertical sync end in lines */
- CARD8 Flags; /* Flags (Interlaced, Double Scan etc) */
- CARD32 PixelClock; /* Pixel clock in units of Hz */
- CARD16 RefreshRate; /* Refresh rate in units of 0.01 Hz */
- CARD8 Reserved[40]; /* remainder of ModeInfoBlock */
-} __attribute__((packed));
-/* VbeCRTCInfoBlock is in the VESA 3.0 specs */
-
-extern _X_EXPORT Bool VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *crtc);
-
-/*
- * INT 3
- */
-
-extern _X_EXPORT Bool VBEGetVBEMode(vbeInfoPtr pVbe, int *mode);
-
-/*
- * INT 4
- */
-
-/* Save/Restore Super VGA video state */
-/* function values are (values stored in VESAPtr):
- * 0 := query & allocate amount of memory to save state
- * 1 := save state
- * 2 := restore state
- *
- * function 0 called automatically if function 1 called without
- * a previous call to function 0.
- */
-
-typedef enum {
- MODE_QUERY,
- MODE_SAVE,
- MODE_RESTORE
-} vbeSaveRestoreFunction;
-
-extern _X_EXPORT Bool
-VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction fuction,
- pointer *memory, int *size, int *real_mode_pages);
-
-/*
- * INT 5
- */
-
-extern _X_EXPORT Bool
-VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window);
-
-/*
- * INT 6
- */
-
-typedef enum {
- SCANWID_SET,
- SCANWID_GET,
- SCANWID_SET_BYTES,
- SCANWID_GET_MAX
-} vbeScanwidthCommand;
-
-#define VBESetLogicalScanline(pVbe, width) \
- VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET, width, \
- NULL, NULL, NULL)
-#define VBESetLogicalScanlineBytes(pVbe, width) \
- VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET_BYTES, width, \
- NULL, NULL, NULL)
-#define VBEGetLogicalScanline(pVbe, pixels, bytes, max) \
- VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET, 0, \
- pixels, bytes, max)
-#define VBEGetMaxLogicalScanline(pVbe, pixels, bytes, max) \
- VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET_MAX, 0, \
- pixels, bytes, max)
-extern _X_EXPORT Bool VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe,
- vbeScanwidthCommand command, int width,
- int *pixels, int *bytes, int *max);
-
-/*
- * INT 7
- */
-
-/* 16 bit code */
-extern _X_EXPORT Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace);
-extern _X_EXPORT Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y);
-
-/*
- * INT 8
- */
-
-/* if bits is 0, then it is a GET */
-extern _X_EXPORT int VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits);
-
-/*
- * INT 9
- */
-
-/*
- * If getting a palette, the data argument is not used. It will return
- * the data.
- * If setting a palette, it will return the pointer received on success,
- * NULL on failure.
- */
-extern _X_EXPORT CARD32 *VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num,
- CARD32 *data, Bool secondary, Bool wait_retrace);
-#define VBEFreePaletteData(data) free(data)
-
-/*
- * INT A
- */
-
-typedef struct _VBEpmi {
- int seg_tbl;
- int tbl_off;
- int tbl_len;
-} VBEpmi;
-
-extern _X_EXPORT VBEpmi *VBEGetVBEpmi(vbeInfoPtr pVbe);
-#define VESAFreeVBEpmi(pmi) free(pmi)
-
-/* high level helper functions */
-
-typedef struct _vbeModeInfoRec {
- int width;
- int height;
- int bpp;
- int n;
- struct _vbeModeInfoRec *next;
-} vbeModeInfoRec, *vbeModeInfoPtr;
-
-typedef struct {
- CARD8 *state;
- CARD8 *pstate;
- int statePage;
- int stateSize;
- int stateMode;
-} vbeSaveRestoreRec, *vbeSaveRestorePtr;
-
-extern _X_EXPORT void
-VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr,
- vbeSaveRestoreFunction function);
-
-extern _X_EXPORT int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock);
-extern _X_EXPORT Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode);
-
-struct vbePanelID {
- short hsize;
- short vsize;
- short fptype;
- char redbpp;
- char greenbpp;
- char bluebpp;
- char reservedbpp;
- int reserved_offscreen_mem_size;
- int reserved_offscreen_mem_pointer;
- char reserved[14];
-};
-
-extern _X_EXPORT void VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data);
-extern _X_EXPORT struct vbePanelID *VBEReadPanelID(vbeInfoPtr pVbe);
-
-#endif
+ +/* + * XFree86 vbe module + * Copyright 2000 Egbert Eich + * + * The mode query/save/set/restore functions from the vesa driver + * have been moved here. + * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com) + * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br> + */ + +#ifndef _VBE_H +#define _VBE_H +#include "xf86int10.h" +#include "xf86DDC.h" + +typedef enum { + DDC_UNCHECKED, + DDC_NONE, + DDC_1, + DDC_2, + DDC_1_2 +} ddc_lvl; + +typedef struct { + xf86Int10InfoPtr pInt10; + int version; + pointer memory; + int real_mode_base; + int num_pages; + Bool init_int10; + ddc_lvl ddc; + Bool ddc_blank; +} vbeInfoRec, *vbeInfoPtr; + +#define VBE_VERSION_MAJOR(x) *((CARD8*)(&x) + 1) +#define VBE_VERSION_MINOR(x) (CARD8)(x) + +extern _X_EXPORT vbeInfoPtr VBEInit(xf86Int10InfoPtr pInt, int entityIndex); +extern _X_EXPORT vbeInfoPtr VBEExtendedInit(xf86Int10InfoPtr pInt, + int entityIndex, int Flags); +extern _X_EXPORT void vbeFree(vbeInfoPtr pVbe); +extern _X_EXPORT xf86MonPtr vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule); + +#pragma pack(1) + +typedef struct vbeControllerInfoBlock { + CARD8 VbeSignature[4]; + CARD16 VbeVersion; + CARD32 OemStringPtr; + CARD8 Capabilities[4]; + CARD32 VideoModePtr; + CARD16 TotalMem; + CARD16 OemSoftwareRev; + CARD32 OemVendorNamePtr; + CARD32 OemProductNamePtr; + CARD32 OemProductRevPtr; + CARD8 Scratch[222]; + CARD8 OemData[256]; +} vbeControllerInfoRec, *vbeControllerInfoPtr; + +#if defined(__GNUC__) || defined(__USLC__) || defined(__SUNPRO_C) +#pragma pack() /* All GCC versions recognise this syntax */ +#else +#pragma pack(0) +#endif + +#if !( defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) ) +#define __attribute__(a) +#endif + +typedef struct _VbeInfoBlock VbeInfoBlock; +typedef struct _VbeModeInfoBlock VbeModeInfoBlock; +typedef struct _VbeCRTCInfoBlock VbeCRTCInfoBlock; + +/* + * INT 0 + */ + +struct _VbeInfoBlock { + /* VESA 1.2 fields */ + CARD8 VESASignature[4]; /* VESA */ + CARD16 VESAVersion; /* Higher byte major, lower byte minor */ + /*CARD32 */ char *OEMStringPtr; + /* Pointer to OEM string */ + CARD8 Capabilities[4]; /* Capabilities of the video environment */ + + /*CARD32 */ CARD16 *VideoModePtr; + /* pointer to supported Super VGA modes */ + + CARD16 TotalMemory; /* Number of 64kb memory blocks on board */ + /* if not VESA 2, 236 scratch bytes follow (256 bytes total size) */ + + /* VESA 2 fields */ + CARD16 OemSoftwareRev; /* VBE implementation Software revision */ + /*CARD32 */ char *OemVendorNamePtr; + /* Pointer to Vendor Name String */ + /*CARD32 */ char *OemProductNamePtr; + /* Pointer to Product Name String */ + /*CARD32 */ char *OemProductRevPtr; + /* Pointer to Product Revision String */ + CARD8 Reserved[222]; /* Reserved for VBE implementation */ + CARD8 OemData[256]; /* Data Area for OEM Strings */ +} __attribute__ ((packed)); + +/* Return Super VGA Information */ +extern _X_EXPORT VbeInfoBlock *VBEGetVBEInfo(vbeInfoPtr pVbe); +extern _X_EXPORT void VBEFreeVBEInfo(VbeInfoBlock * block); + +/* + * INT 1 + */ + +struct _VbeModeInfoBlock { + CARD16 ModeAttributes; /* mode attributes */ + CARD8 WinAAttributes; /* window A attributes */ + CARD8 WinBAttributes; /* window B attributes */ + CARD16 WinGranularity; /* window granularity */ + CARD16 WinSize; /* window size */ + CARD16 WinASegment; /* window A start segment */ + CARD16 WinBSegment; /* window B start segment */ + CARD32 WinFuncPtr; /* real mode pointer to window function */ + CARD16 BytesPerScanline; /* bytes per scanline */ + + /* Mandatory information for VBE 1.2 and above */ + CARD16 XResolution; /* horizontal resolution in pixels or characters */ + CARD16 YResolution; /* vertical resolution in pixels or characters */ + CARD8 XCharSize; /* character cell width in pixels */ + CARD8 YCharSize; /* character cell height in pixels */ + CARD8 NumberOfPlanes; /* number of memory planes */ + CARD8 BitsPerPixel; /* bits per pixel */ + CARD8 NumberOfBanks; /* number of banks */ + CARD8 MemoryModel; /* memory model type */ + CARD8 BankSize; /* bank size in KB */ + CARD8 NumberOfImages; /* number of images */ + CARD8 Reserved; /* 1 *//* reserved for page function */ + + /* Direct color fields (required for direct/6 and YUV/7 memory models) */ + CARD8 RedMaskSize; /* size of direct color red mask in bits */ + CARD8 RedFieldPosition; /* bit position of lsb of red mask */ + CARD8 GreenMaskSize; /* size of direct color green mask in bits */ + CARD8 GreenFieldPosition; /* bit position of lsb of green mask */ + CARD8 BlueMaskSize; /* size of direct color blue mask in bits */ + CARD8 BlueFieldPosition; /* bit position of lsb of blue mask */ + CARD8 RsvdMaskSize; /* size of direct color reserved mask in bits */ + CARD8 RsvdFieldPosition; /* bit position of lsb of reserved mask */ + CARD8 DirectColorModeInfo; /* direct color mode attributes */ + + /* Mandatory information for VBE 2.0 and above */ + CARD32 PhysBasePtr; /* physical address for flat memory frame buffer */ + CARD32 Reserved32; /* 0 *//* Reserved - always set to 0 */ + CARD16 Reserved16; /* 0 *//* Reserved - always set to 0 */ + + /* Mandatory information for VBE 3.0 and above */ + CARD16 LinBytesPerScanLine; /* bytes per scan line for linear modes */ + CARD8 BnkNumberOfImagePages; /* number of images for banked modes */ + CARD8 LinNumberOfImagePages; /* number of images for linear modes */ + CARD8 LinRedMaskSize; /* size of direct color red mask (linear modes) */ + CARD8 LinRedFieldPosition; /* bit position of lsb of red mask (linear modes) */ + CARD8 LinGreenMaskSize; /* size of direct color green mask (linear modes) */ + CARD8 LinGreenFieldPosition; /* bit position of lsb of green mask (linear modes) */ + CARD8 LinBlueMaskSize; /* size of direct color blue mask (linear modes) */ + CARD8 LinBlueFieldPosition; /* bit position of lsb of blue mask (linear modes) */ + CARD8 LinRsvdMaskSize; /* size of direct color reserved mask (linear modes) */ + CARD8 LinRsvdFieldPosition; /* bit position of lsb of reserved mask (linear modes) */ + CARD32 MaxPixelClock; /* maximum pixel clock (in Hz) for graphics mode */ + CARD8 Reserved2[189]; /* remainder of VbeModeInfoBlock */ +} __attribute__ ((packed)); + +/* Return VBE Mode Information */ +extern _X_EXPORT VbeModeInfoBlock *VBEGetModeInfo(vbeInfoPtr pVbe, int mode); +extern _X_EXPORT void VBEFreeModeInfo(VbeModeInfoBlock * block); + +/* + * INT2 + */ + +#define CRTC_DBLSCAN (1<<0) +#define CRTC_INTERLACE (1<<1) +#define CRTC_NHSYNC (1<<2) +#define CRTC_NVSYNC (1<<3) + +struct _VbeCRTCInfoBlock { + CARD16 HorizontalTotal; /* Horizontal total in pixels */ + CARD16 HorizontalSyncStart; /* Horizontal sync start in pixels */ + CARD16 HorizontalSyncEnd; /* Horizontal sync end in pixels */ + CARD16 VerticalTotal; /* Vertical total in lines */ + CARD16 VerticalSyncStart; /* Vertical sync start in lines */ + CARD16 VerticalSyncEnd; /* Vertical sync end in lines */ + CARD8 Flags; /* Flags (Interlaced, Double Scan etc) */ + CARD32 PixelClock; /* Pixel clock in units of Hz */ + CARD16 RefreshRate; /* Refresh rate in units of 0.01 Hz */ + CARD8 Reserved[40]; /* remainder of ModeInfoBlock */ +} __attribute__ ((packed)); + +/* VbeCRTCInfoBlock is in the VESA 3.0 specs */ + +extern _X_EXPORT Bool VBESetVBEMode(vbeInfoPtr pVbe, int mode, + VbeCRTCInfoBlock * crtc); + +/* + * INT 3 + */ + +extern _X_EXPORT Bool VBEGetVBEMode(vbeInfoPtr pVbe, int *mode); + +/* + * INT 4 + */ + +/* Save/Restore Super VGA video state */ +/* function values are (values stored in VESAPtr): + * 0 := query & allocate amount of memory to save state + * 1 := save state + * 2 := restore state + * + * function 0 called automatically if function 1 called without + * a previous call to function 0. + */ + +typedef enum { + MODE_QUERY, + MODE_SAVE, + MODE_RESTORE +} vbeSaveRestoreFunction; + +extern _X_EXPORT Bool + +VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction fuction, + pointer *memory, int *size, int *real_mode_pages); + +/* + * INT 5 + */ + +extern _X_EXPORT Bool + VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window); + +/* + * INT 6 + */ + +typedef enum { + SCANWID_SET, + SCANWID_GET, + SCANWID_SET_BYTES, + SCANWID_GET_MAX +} vbeScanwidthCommand; + +#define VBESetLogicalScanline(pVbe, width) \ + VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET, width, \ + NULL, NULL, NULL) +#define VBESetLogicalScanlineBytes(pVbe, width) \ + VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET_BYTES, width, \ + NULL, NULL, NULL) +#define VBEGetLogicalScanline(pVbe, pixels, bytes, max) \ + VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET, 0, \ + pixels, bytes, max) +#define VBEGetMaxLogicalScanline(pVbe, pixels, bytes, max) \ + VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET_MAX, 0, \ + pixels, bytes, max) +extern _X_EXPORT Bool VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe, + vbeScanwidthCommand + command, int width, + int *pixels, int *bytes, + int *max); + +/* + * INT 7 + */ + +/* 16 bit code */ +extern _X_EXPORT Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, + Bool wait_retrace); +extern _X_EXPORT Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y); + +/* + * INT 8 + */ + +/* if bits is 0, then it is a GET */ +extern _X_EXPORT int VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits); + +/* + * INT 9 + */ + +/* + * If getting a palette, the data argument is not used. It will return + * the data. + * If setting a palette, it will return the pointer received on success, + * NULL on failure. + */ +extern _X_EXPORT CARD32 *VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, + int first, int num, CARD32 *data, + Bool secondary, + Bool wait_retrace); +#define VBEFreePaletteData(data) free(data) + +/* + * INT A + */ + +typedef struct _VBEpmi { + int seg_tbl; + int tbl_off; + int tbl_len; +} VBEpmi; + +extern _X_EXPORT VBEpmi *VBEGetVBEpmi(vbeInfoPtr pVbe); + +#define VESAFreeVBEpmi(pmi) free(pmi) + +/* high level helper functions */ + +typedef struct _vbeModeInfoRec { + int width; + int height; + int bpp; + int n; + struct _vbeModeInfoRec *next; +} vbeModeInfoRec, *vbeModeInfoPtr; + +typedef struct { + CARD8 *state; + CARD8 *pstate; + int statePage; + int stateSize; + int stateMode; +} vbeSaveRestoreRec, *vbeSaveRestorePtr; + +extern _X_EXPORT void + +VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr, + vbeSaveRestoreFunction function); + +extern _X_EXPORT int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock); +extern _X_EXPORT Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode); + +struct vbePanelID { + short hsize; + short vsize; + short fptype; + char redbpp; + char greenbpp; + char bluebpp; + char reservedbpp; + int reserved_offscreen_mem_size; + int reserved_offscreen_mem_pointer; + char reserved[14]; +}; + +extern _X_EXPORT void VBEInterpretPanelID(int scrnIndex, + struct vbePanelID *data); +extern _X_EXPORT struct vbePanelID *VBEReadPanelID(vbeInfoPtr pVbe); + +#endif |