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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/vbe/vbe.h
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Diffstat (limited to 'xorg-server/hw/xfree86/vbe/vbe.h')
-rw-r--r--xorg-server/hw/xfree86/vbe/vbe.h347
1 files changed, 347 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/vbe/vbe.h b/xorg-server/hw/xfree86/vbe/vbe.h
new file mode 100644
index 000000000..de9237c9d
--- /dev/null
+++ b/xorg-server/hw/xfree86/vbe/vbe.h
@@ -0,0 +1,347 @@
+
+/*
+ * 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)
+
+vbeInfoPtr VBEInit(xf86Int10InfoPtr pInt, int entityIndex);
+vbeInfoPtr VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags);
+void vbeFree(vbeInfoPtr pVbe);
+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
+
+#ifndef __GNUC__
+#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 */
+VbeInfoBlock *VBEGetVBEInfo(vbeInfoPtr pVbe);
+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 */
+VbeModeInfoBlock *VBEGetModeInfo(vbeInfoPtr pVbe, int mode);
+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 */
+
+Bool VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *crtc);
+
+/*
+ * INT 3
+ */
+
+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;
+
+Bool
+VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction fuction,
+ pointer *memory, int *size, int *real_mode_pages);
+
+/*
+ * INT 5
+ */
+
+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)
+Bool VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe,
+ vbeScanwidthCommand command, int width,
+ int *pixels, int *bytes, int *max);
+
+/*
+ * INT 7
+ */
+
+/* 16 bit code */
+Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace);
+Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y);
+
+/*
+ * INT 8
+ */
+
+/* if bits is 0, then it is a GET */
+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.
+ */
+CARD32 *VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num,
+ CARD32 *data, Bool secondary, Bool wait_retrace);
+#define VBEFreePaletteData(data) xfree(data)
+
+/*
+ * INT A
+ */
+
+typedef struct _VBEpmi {
+ int seg_tbl;
+ int tbl_off;
+ int tbl_len;
+} VBEpmi;
+
+VBEpmi *VBEGetVBEpmi(vbeInfoPtr pVbe);
+#define VESAFreeVBEpmi(pmi) xfree(pmi)
+
+/* high level helper functions */
+
+typedef struct _vbeModeInfoRec {
+ int width;
+ int height;
+ int bpp;
+ int n;
+ struct _vbeModeInfoRec *next;
+} vbeModeInfoRec, *vbeModeInfoPtr;
+
+vbeModeInfoPtr VBEBuildVbeModeList(vbeInfoPtr pVbe,
+ VbeInfoBlock *vbe);
+
+unsigned short VBECalcVbeModeIndex(vbeModeInfoPtr m,
+ DisplayModePtr mode, int bpp);
+
+typedef struct {
+ CARD8 *state;
+ CARD8 *pstate;
+ int statePage;
+ int stateSize;
+ int stateMode;
+} vbeSaveRestoreRec, *vbeSaveRestorePtr;
+
+void
+VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr,
+ vbeSaveRestoreFunction function);
+
+int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock);
+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];
+};
+
+void VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data);
+struct vbePanelID *VBEReadPanelID(vbeInfoPtr pVbe);
+
+#endif