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source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.0.1/vbe.h@ 62425

最後變更 在這個檔案從62425是 51223,由 vboxsync 提交於 11 年 前

Additions/x11/x11include: added header files for X.Org Server 1.0 and 1.1.
  • 屬性 svn:eol-style 設為 native
檔案大小: 10.3 KB
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1/* $XFree86: xc/programs/Xserver/hw/xfree86/vbe/vbe.h,v 1.4 2004/01/07 04:28:06 dawes Exp $ */
2
3/*
4 * XFree86 vbe module
5 * Copyright 2000 Egbert Eich
6 *
7 * The mode query/save/set/restore functions from the vesa driver
8 * have been moved here.
9 * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
10 * Authors: Paulo César Pereira de Andrade <[email protected]>
11 */
12
13#ifndef _VBE_H
14#define _VBE_H
15#include "xf86int10.h"
16#include "xf86DDC.h"
17
18typedef enum {
19 DDC_UNCHECKED,
20 DDC_NONE,
21 DDC_1,
22 DDC_2,
23 DDC_1_2
24}
25ddc_lvl;
26
27typedef struct {
28 xf86Int10InfoPtr pInt10;
29 int version;
30 pointer memory;
31 int real_mode_base;
32 int num_pages;
33 Bool init_int10;
34 ddc_lvl ddc;
35 Bool ddc_blank;
36} vbeInfoRec, *vbeInfoPtr;
37
38#define VBE_VERSION_MAJOR(x) *((CARD8*)(&x) + 1)
39#define VBE_VERSION_MINOR(x) (CARD8)(x)
40
41vbeInfoPtr VBEInit(xf86Int10InfoPtr pInt, int entityIndex);
42vbeInfoPtr VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags);
43void vbeFree(vbeInfoPtr pVbe);
44xf86MonPtr vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule);
45
46#pragma pack(1)
47
48typedef struct vbeControllerInfoBlock {
49 CARD8 VbeSignature[4];
50 CARD16 VbeVersion;
51 CARD32 OemStringPtr;
52 CARD8 Capabilities[4];
53 CARD32 VideoModePtr;
54 CARD16 TotalMem;
55 CARD16 OemSoftwareRev;
56 CARD32 OemVendorNamePtr;
57 CARD32 OemProductNamePtr;
58 CARD32 OemProductRevPtr;
59 CARD8 Scratch[222];
60 CARD8 OemData[256];
61} vbeControllerInfoRec, *vbeControllerInfoPtr;
62
63#if defined(__GNUC__) || defined(__USLC__) || defined(__SUNPRO_C)
64#pragma pack() /* All GCC versions recognise this syntax */
65#else
66#pragma pack(0)
67#endif
68
69#ifndef __GNUC__
70#define __attribute__(a)
71#endif
72
73typedef struct _VbeInfoBlock VbeInfoBlock;
74typedef struct _VbeModeInfoBlock VbeModeInfoBlock;
75typedef struct _VbeCRTCInfoBlock VbeCRTCInfoBlock;
76
77/*
78 * INT 0
79 */
80
81struct _VbeInfoBlock {
82 /* VESA 1.2 fields */
83 CARD8 VESASignature[4]; /* VESA */
84 CARD16 VESAVersion; /* Higher byte major, lower byte minor */
85 /*CARD32*/char *OEMStringPtr; /* Pointer to OEM string */
86 CARD8 Capabilities[4]; /* Capabilities of the video environment */
87
88 /*CARD32*/CARD16 *VideoModePtr; /* pointer to supported Super VGA modes */
89
90 CARD16 TotalMemory; /* Number of 64kb memory blocks on board */
91 /* if not VESA 2, 236 scratch bytes follow (256 bytes total size) */
92
93 /* VESA 2 fields */
94 CARD16 OemSoftwareRev; /* VBE implementation Software revision */
95 /*CARD32*/char *OemVendorNamePtr; /* Pointer to Vendor Name String */
96 /*CARD32*/char *OemProductNamePtr; /* Pointer to Product Name String */
97 /*CARD32*/char *OemProductRevPtr; /* Pointer to Product Revision String */
98 CARD8 Reserved[222]; /* Reserved for VBE implementation */
99 CARD8 OemData[256]; /* Data Area for OEM Strings */
100} __attribute__((packed));
101
102/* Return Super VGA Information */
103VbeInfoBlock *VBEGetVBEInfo(vbeInfoPtr pVbe);
104void VBEFreeVBEInfo(VbeInfoBlock *block);
105
106/*
107 * INT 1
108 */
109
110struct _VbeModeInfoBlock {
111 CARD16 ModeAttributes; /* mode attributes */
112 CARD8 WinAAttributes; /* window A attributes */
113 CARD8 WinBAttributes; /* window B attributes */
114 CARD16 WinGranularity; /* window granularity */
115 CARD16 WinSize; /* window size */
116 CARD16 WinASegment; /* window A start segment */
117 CARD16 WinBSegment; /* window B start segment */
118 CARD32 WinFuncPtr; /* real mode pointer to window function */
119 CARD16 BytesPerScanline; /* bytes per scanline */
120
121 /* Mandatory information for VBE 1.2 and above */
122 CARD16 XResolution; /* horizontal resolution in pixels or characters */
123 CARD16 YResolution; /* vertical resolution in pixels or characters */
124 CARD8 XCharSize; /* character cell width in pixels */
125 CARD8 YCharSize; /* character cell height in pixels */
126 CARD8 NumberOfPlanes; /* number of memory planes */
127 CARD8 BitsPerPixel; /* bits per pixel */
128 CARD8 NumberOfBanks; /* number of banks */
129 CARD8 MemoryModel; /* memory model type */
130 CARD8 BankSize; /* bank size in KB */
131 CARD8 NumberOfImages; /* number of images */
132 CARD8 Reserved; /* 1 */ /* reserved for page function */
133
134 /* Direct color fields (required for direct/6 and YUV/7 memory models) */
135 CARD8 RedMaskSize; /* size of direct color red mask in bits */
136 CARD8 RedFieldPosition; /* bit position of lsb of red mask */
137 CARD8 GreenMaskSize; /* size of direct color green mask in bits */
138 CARD8 GreenFieldPosition; /* bit position of lsb of green mask */
139 CARD8 BlueMaskSize; /* size of direct color blue mask in bits */
140 CARD8 BlueFieldPosition; /* bit position of lsb of blue mask */
141 CARD8 RsvdMaskSize; /* size of direct color reserved mask in bits */
142 CARD8 RsvdFieldPosition; /* bit position of lsb of reserved mask */
143 CARD8 DirectColorModeInfo; /* direct color mode attributes */
144
145 /* Mandatory information for VBE 2.0 and above */
146 CARD32 PhysBasePtr; /* physical address for flat memory frame buffer */
147 CARD32 Reserved32; /* 0 */ /* Reserved - always set to 0 */
148 CARD16 Reserved16; /* 0 */ /* Reserved - always set to 0 */
149
150 /* Mandatory information for VBE 3.0 and above */
151 CARD16 LinBytesPerScanLine; /* bytes per scan line for linear modes */
152 CARD8 BnkNumberOfImagePages; /* number of images for banked modes */
153 CARD8 LinNumberOfImagePages; /* number of images for linear modes */
154 CARD8 LinRedMaskSize; /* size of direct color red mask (linear modes) */
155 CARD8 LinRedFieldPosition; /* bit position of lsb of red mask (linear modes) */
156 CARD8 LinGreenMaskSize; /* size of direct color green mask (linear modes) */
157 CARD8 LinGreenFieldPosition; /* bit position of lsb of green mask (linear modes) */
158 CARD8 LinBlueMaskSize; /* size of direct color blue mask (linear modes) */
159 CARD8 LinBlueFieldPosition; /* bit position of lsb of blue mask (linear modes) */
160 CARD8 LinRsvdMaskSize; /* size of direct color reserved mask (linear modes) */
161 CARD8 LinRsvdFieldPosition; /* bit position of lsb of reserved mask (linear modes) */
162 CARD32 MaxPixelClock; /* maximum pixel clock (in Hz) for graphics mode */
163 CARD8 Reserved2[189]; /* remainder of VbeModeInfoBlock */
164} __attribute__((packed));
165
166/* Return VBE Mode Information */
167VbeModeInfoBlock *VBEGetModeInfo(vbeInfoPtr pVbe, int mode);
168void VBEFreeModeInfo(VbeModeInfoBlock *block);
169
170/*
171 * INT2
172 */
173
174#define CRTC_DBLSCAN (1<<0)
175#define CRTC_INTERLACE (1<<1)
176#define CRTC_NHSYNC (1<<2)
177#define CRTC_NVSYNC (1<<3)
178
179struct _VbeCRTCInfoBlock {
180 CARD16 HorizontalTotal; /* Horizontal total in pixels */
181 CARD16 HorizontalSyncStart; /* Horizontal sync start in pixels */
182 CARD16 HorizontalSyncEnd; /* Horizontal sync end in pixels */
183 CARD16 VerticalTotal; /* Vertical total in lines */
184 CARD16 VerticalSyncStart; /* Vertical sync start in lines */
185 CARD16 VerticalSyncEnd; /* Vertical sync end in lines */
186 CARD8 Flags; /* Flags (Interlaced, Double Scan etc) */
187 CARD32 PixelClock; /* Pixel clock in units of Hz */
188 CARD16 RefreshRate; /* Refresh rate in units of 0.01 Hz */
189 CARD8 Reserved[40]; /* remainder of ModeInfoBlock */
190} __attribute__((packed));
191/* VbeCRTCInfoBlock is in the VESA 3.0 specs */
192
193Bool VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *crtc);
194
195/*
196 * INT 3
197 */
198
199Bool VBEGetVBEMode(vbeInfoPtr pVbe, int *mode);
200
201/*
202 * INT 4
203 */
204
205/* Save/Restore Super VGA video state */
206/* function values are (values stored in VESAPtr):
207 * 0 := query & allocate amount of memory to save state
208 * 1 := save state
209 * 2 := restore state
210 *
211 * function 0 called automatically if function 1 called without
212 * a previous call to function 0.
213 */
214
215typedef enum {
216 MODE_QUERY,
217 MODE_SAVE,
218 MODE_RESTORE
219} vbeSaveRestoreFunction;
220
221Bool
222VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction fuction,
223 pointer *memory, int *size, int *real_mode_pages);
224
225/*
226 * INT 5
227 */
228
229Bool
230VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window);
231
232/*
233 * INT 6
234 */
235
236typedef enum {
237 SCANWID_SET,
238 SCANWID_GET,
239 SCANWID_SET_BYTES,
240 SCANWID_GET_MAX
241} vbeScanwidthCommand;
242
243#define VBESetLogicalScanline(pVbe, width) \
244 VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET, width, \
245 NULL, NULL, NULL)
246#define VBESetLogicalScanlineBytes(pVbe, width) \
247 VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET_BYTES, width, \
248 NULL, NULL, NULL)
249#define VBEGetLogicalScanline(pVbe, pixels, bytes, max) \
250 VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET, 0, \
251 pixels, bytes, max)
252#define VBEGetMaxLogicalScanline(pVbe, pixels, bytes, max) \
253 VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET_MAX, 0, \
254 pixels, bytes, max)
255Bool VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe,
256 vbeScanwidthCommand command, int width,
257 int *pixels, int *bytes, int *max);
258
259/*
260 * INT 7
261 */
262
263/* 16 bit code */
264Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace);
265Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y);
266
267/*
268 * INT 8
269 */
270
271/* if bits is 0, then it is a GET */
272int VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits);
273
274/*
275 * INT 9
276 */
277
278/*
279 * If getting a palette, the data argument is not used. It will return
280 * the data.
281 * If setting a palette, it will return the pointer received on success,
282 * NULL on failure.
283 */
284CARD32 *VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num,
285 CARD32 *data, Bool secondary, Bool wait_retrace);
286#define VBEFreePaletteData(data) xfree(data)
287
288/*
289 * INT A
290 */
291
292typedef struct _VBEpmi {
293 int seg_tbl;
294 int tbl_off;
295 int tbl_len;
296} VBEpmi;
297
298VBEpmi *VBEGetVBEpmi(vbeInfoPtr pVbe);
299#define VESAFreeVBEpmi(pmi) xfree(pmi)
300
301/* high level helper functions */
302
303typedef struct _vbeModeInfoRec {
304 int width;
305 int height;
306 int bpp;
307 int n;
308 struct _vbeModeInfoRec *next;
309} vbeModeInfoRec, *vbeModeInfoPtr;
310
311vbeModeInfoPtr VBEBuildVbeModeList(vbeInfoPtr pVbe,
312 VbeInfoBlock *vbe);
313
314unsigned short VBECalcVbeModeIndex(vbeModeInfoPtr m,
315 DisplayModePtr mode, int bpp);
316
317typedef struct {
318 CARD8 *state;
319 CARD8 *pstate;
320 int statePage;
321 int stateSize;
322 int stateMode;
323} vbeSaveRestoreRec, *vbeSaveRestorePtr;
324
325void
326VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr,
327 vbeSaveRestoreFunction function);
328
329int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock);
330Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode);
331
332#endif
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