358 lines
12 KiB
C
358 lines
12 KiB
C
|
|
/*
|
|
* 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
|