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source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.9.0/vbe.h@ 58634

Last change on this file since 58634 was 32163, checked in by vboxsync, 14 years ago

Additions/x11/x11include: additional headers for building drivers for X.Org Server 1.9
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File size: 10.8 KB
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1
2/*
3 * XFree86 vbe module
4 * Copyright 2000 Egbert Eich
5 *
6 * The mode query/save/set/restore functions from the vesa driver
7 * have been moved here.
8 * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
9 * Authors: Paulo César Pereira de Andrade <[email protected]>
10 */
11
12#ifndef _VBE_H
13#define _VBE_H
14#include "xf86int10.h"
15#include "xf86DDC.h"
16
17typedef enum {
18 DDC_UNCHECKED,
19 DDC_NONE,
20 DDC_1,
21 DDC_2,
22 DDC_1_2
23}
24ddc_lvl;
25
26typedef struct {
27 xf86Int10InfoPtr pInt10;
28 int version;
29 pointer memory;
30 int real_mode_base;
31 int num_pages;
32 Bool init_int10;
33 ddc_lvl ddc;
34 Bool ddc_blank;
35} vbeInfoRec, *vbeInfoPtr;
36
37#define VBE_VERSION_MAJOR(x) *((CARD8*)(&x) + 1)
38#define VBE_VERSION_MINOR(x) (CARD8)(x)
39
40extern _X_EXPORT vbeInfoPtr VBEInit(xf86Int10InfoPtr pInt, int entityIndex);
41extern _X_EXPORT vbeInfoPtr VBEExtendedInit(xf86Int10InfoPtr pInt, int entityIndex, int Flags);
42extern _X_EXPORT void vbeFree(vbeInfoPtr pVbe);
43extern _X_EXPORT xf86MonPtr vbeDoEDID(vbeInfoPtr pVbe, pointer pDDCModule);
44
45#pragma pack(1)
46
47typedef struct vbeControllerInfoBlock {
48 CARD8 VbeSignature[4];
49 CARD16 VbeVersion;
50 CARD32 OemStringPtr;
51 CARD8 Capabilities[4];
52 CARD32 VideoModePtr;
53 CARD16 TotalMem;
54 CARD16 OemSoftwareRev;
55 CARD32 OemVendorNamePtr;
56 CARD32 OemProductNamePtr;
57 CARD32 OemProductRevPtr;
58 CARD8 Scratch[222];
59 CARD8 OemData[256];
60} vbeControllerInfoRec, *vbeControllerInfoPtr;
61
62#if defined(__GNUC__) || defined(__USLC__) || defined(__SUNPRO_C)
63#pragma pack() /* All GCC versions recognise this syntax */
64#else
65#pragma pack(0)
66#endif
67
68#if !( defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) )
69#define __attribute__(a)
70#endif
71
72typedef struct _VbeInfoBlock VbeInfoBlock;
73typedef struct _VbeModeInfoBlock VbeModeInfoBlock;
74typedef struct _VbeCRTCInfoBlock VbeCRTCInfoBlock;
75
76/*
77 * INT 0
78 */
79
80struct _VbeInfoBlock {
81 /* VESA 1.2 fields */
82 CARD8 VESASignature[4]; /* VESA */
83 CARD16 VESAVersion; /* Higher byte major, lower byte minor */
84 /*CARD32*/char *OEMStringPtr; /* Pointer to OEM string */
85 CARD8 Capabilities[4]; /* Capabilities of the video environment */
86
87 /*CARD32*/CARD16 *VideoModePtr; /* pointer to supported Super VGA modes */
88
89 CARD16 TotalMemory; /* Number of 64kb memory blocks on board */
90 /* if not VESA 2, 236 scratch bytes follow (256 bytes total size) */
91
92 /* VESA 2 fields */
93 CARD16 OemSoftwareRev; /* VBE implementation Software revision */
94 /*CARD32*/char *OemVendorNamePtr; /* Pointer to Vendor Name String */
95 /*CARD32*/char *OemProductNamePtr; /* Pointer to Product Name String */
96 /*CARD32*/char *OemProductRevPtr; /* Pointer to Product Revision String */
97 CARD8 Reserved[222]; /* Reserved for VBE implementation */
98 CARD8 OemData[256]; /* Data Area for OEM Strings */
99} __attribute__((packed));
100
101/* Return Super VGA Information */
102extern _X_EXPORT VbeInfoBlock *VBEGetVBEInfo(vbeInfoPtr pVbe);
103extern _X_EXPORT void VBEFreeVBEInfo(VbeInfoBlock *block);
104
105/*
106 * INT 1
107 */
108
109struct _VbeModeInfoBlock {
110 CARD16 ModeAttributes; /* mode attributes */
111 CARD8 WinAAttributes; /* window A attributes */
112 CARD8 WinBAttributes; /* window B attributes */
113 CARD16 WinGranularity; /* window granularity */
114 CARD16 WinSize; /* window size */
115 CARD16 WinASegment; /* window A start segment */
116 CARD16 WinBSegment; /* window B start segment */
117 CARD32 WinFuncPtr; /* real mode pointer to window function */
118 CARD16 BytesPerScanline; /* bytes per scanline */
119
120 /* Mandatory information for VBE 1.2 and above */
121 CARD16 XResolution; /* horizontal resolution in pixels or characters */
122 CARD16 YResolution; /* vertical resolution in pixels or characters */
123 CARD8 XCharSize; /* character cell width in pixels */
124 CARD8 YCharSize; /* character cell height in pixels */
125 CARD8 NumberOfPlanes; /* number of memory planes */
126 CARD8 BitsPerPixel; /* bits per pixel */
127 CARD8 NumberOfBanks; /* number of banks */
128 CARD8 MemoryModel; /* memory model type */
129 CARD8 BankSize; /* bank size in KB */
130 CARD8 NumberOfImages; /* number of images */
131 CARD8 Reserved; /* 1 */ /* reserved for page function */
132
133 /* Direct color fields (required for direct/6 and YUV/7 memory models) */
134 CARD8 RedMaskSize; /* size of direct color red mask in bits */
135 CARD8 RedFieldPosition; /* bit position of lsb of red mask */
136 CARD8 GreenMaskSize; /* size of direct color green mask in bits */
137 CARD8 GreenFieldPosition; /* bit position of lsb of green mask */
138 CARD8 BlueMaskSize; /* size of direct color blue mask in bits */
139 CARD8 BlueFieldPosition; /* bit position of lsb of blue mask */
140 CARD8 RsvdMaskSize; /* size of direct color reserved mask in bits */
141 CARD8 RsvdFieldPosition; /* bit position of lsb of reserved mask */
142 CARD8 DirectColorModeInfo; /* direct color mode attributes */
143
144 /* Mandatory information for VBE 2.0 and above */
145 CARD32 PhysBasePtr; /* physical address for flat memory frame buffer */
146 CARD32 Reserved32; /* 0 */ /* Reserved - always set to 0 */
147 CARD16 Reserved16; /* 0 */ /* Reserved - always set to 0 */
148
149 /* Mandatory information for VBE 3.0 and above */
150 CARD16 LinBytesPerScanLine; /* bytes per scan line for linear modes */
151 CARD8 BnkNumberOfImagePages; /* number of images for banked modes */
152 CARD8 LinNumberOfImagePages; /* number of images for linear modes */
153 CARD8 LinRedMaskSize; /* size of direct color red mask (linear modes) */
154 CARD8 LinRedFieldPosition; /* bit position of lsb of red mask (linear modes) */
155 CARD8 LinGreenMaskSize; /* size of direct color green mask (linear modes) */
156 CARD8 LinGreenFieldPosition; /* bit position of lsb of green mask (linear modes) */
157 CARD8 LinBlueMaskSize; /* size of direct color blue mask (linear modes) */
158 CARD8 LinBlueFieldPosition; /* bit position of lsb of blue mask (linear modes) */
159 CARD8 LinRsvdMaskSize; /* size of direct color reserved mask (linear modes) */
160 CARD8 LinRsvdFieldPosition; /* bit position of lsb of reserved mask (linear modes) */
161 CARD32 MaxPixelClock; /* maximum pixel clock (in Hz) for graphics mode */
162 CARD8 Reserved2[189]; /* remainder of VbeModeInfoBlock */
163} __attribute__((packed));
164
165/* Return VBE Mode Information */
166extern _X_EXPORT VbeModeInfoBlock *VBEGetModeInfo(vbeInfoPtr pVbe, int mode);
167extern _X_EXPORT void VBEFreeModeInfo(VbeModeInfoBlock *block);
168
169/*
170 * INT2
171 */
172
173#define CRTC_DBLSCAN (1<<0)
174#define CRTC_INTERLACE (1<<1)
175#define CRTC_NHSYNC (1<<2)
176#define CRTC_NVSYNC (1<<3)
177
178struct _VbeCRTCInfoBlock {
179 CARD16 HorizontalTotal; /* Horizontal total in pixels */
180 CARD16 HorizontalSyncStart; /* Horizontal sync start in pixels */
181 CARD16 HorizontalSyncEnd; /* Horizontal sync end in pixels */
182 CARD16 VerticalTotal; /* Vertical total in lines */
183 CARD16 VerticalSyncStart; /* Vertical sync start in lines */
184 CARD16 VerticalSyncEnd; /* Vertical sync end in lines */
185 CARD8 Flags; /* Flags (Interlaced, Double Scan etc) */
186 CARD32 PixelClock; /* Pixel clock in units of Hz */
187 CARD16 RefreshRate; /* Refresh rate in units of 0.01 Hz */
188 CARD8 Reserved[40]; /* remainder of ModeInfoBlock */
189} __attribute__((packed));
190/* VbeCRTCInfoBlock is in the VESA 3.0 specs */
191
192extern _X_EXPORT Bool VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock *crtc);
193
194/*
195 * INT 3
196 */
197
198extern _X_EXPORT Bool VBEGetVBEMode(vbeInfoPtr pVbe, int *mode);
199
200/*
201 * INT 4
202 */
203
204/* Save/Restore Super VGA video state */
205/* function values are (values stored in VESAPtr):
206 * 0 := query & allocate amount of memory to save state
207 * 1 := save state
208 * 2 := restore state
209 *
210 * function 0 called automatically if function 1 called without
211 * a previous call to function 0.
212 */
213
214typedef enum {
215 MODE_QUERY,
216 MODE_SAVE,
217 MODE_RESTORE
218} vbeSaveRestoreFunction;
219
220extern _X_EXPORT Bool
221VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction fuction,
222 pointer *memory, int *size, int *real_mode_pages);
223
224/*
225 * INT 5
226 */
227
228extern _X_EXPORT Bool
229VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window);
230
231/*
232 * INT 6
233 */
234
235typedef enum {
236 SCANWID_SET,
237 SCANWID_GET,
238 SCANWID_SET_BYTES,
239 SCANWID_GET_MAX
240} vbeScanwidthCommand;
241
242#define VBESetLogicalScanline(pVbe, width) \
243 VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET, width, \
244 NULL, NULL, NULL)
245#define VBESetLogicalScanlineBytes(pVbe, width) \
246 VBESetGetLogicalScanlineLength(pVbe, SCANWID_SET_BYTES, width, \
247 NULL, NULL, NULL)
248#define VBEGetLogicalScanline(pVbe, pixels, bytes, max) \
249 VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET, 0, \
250 pixels, bytes, max)
251#define VBEGetMaxLogicalScanline(pVbe, pixels, bytes, max) \
252 VBESetGetLogicalScanlineLength(pVbe, SCANWID_GET_MAX, 0, \
253 pixels, bytes, max)
254extern _X_EXPORT Bool VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe,
255 vbeScanwidthCommand command, int width,
256 int *pixels, int *bytes, int *max);
257
258/*
259 * INT 7
260 */
261
262/* 16 bit code */
263extern _X_EXPORT Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace);
264extern _X_EXPORT Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y);
265
266/*
267 * INT 8
268 */
269
270/* if bits is 0, then it is a GET */
271extern _X_EXPORT int VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits);
272
273/*
274 * INT 9
275 */
276
277/*
278 * If getting a palette, the data argument is not used. It will return
279 * the data.
280 * If setting a palette, it will return the pointer received on success,
281 * NULL on failure.
282 */
283extern _X_EXPORT CARD32 *VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num,
284 CARD32 *data, Bool secondary, Bool wait_retrace);
285#define VBEFreePaletteData(data) free(data)
286
287/*
288 * INT A
289 */
290
291typedef struct _VBEpmi {
292 int seg_tbl;
293 int tbl_off;
294 int tbl_len;
295} VBEpmi;
296
297extern _X_EXPORT VBEpmi *VBEGetVBEpmi(vbeInfoPtr pVbe);
298#define VESAFreeVBEpmi(pmi) free(pmi)
299
300/* high level helper functions */
301
302typedef struct _vbeModeInfoRec {
303 int width;
304 int height;
305 int bpp;
306 int n;
307 struct _vbeModeInfoRec *next;
308} vbeModeInfoRec, *vbeModeInfoPtr;
309
310typedef struct {
311 CARD8 *state;
312 CARD8 *pstate;
313 int statePage;
314 int stateSize;
315 int stateMode;
316} vbeSaveRestoreRec, *vbeSaveRestorePtr;
317
318extern _X_EXPORT void
319VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr,
320 vbeSaveRestoreFunction function);
321
322extern _X_EXPORT int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock);
323extern _X_EXPORT Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode);
324
325struct vbePanelID {
326 short hsize;
327 short vsize;
328 short fptype;
329 char redbpp;
330 char greenbpp;
331 char bluebpp;
332 char reservedbpp;
333 int reserved_offscreen_mem_size;
334 int reserved_offscreen_mem_pointer;
335 char reserved[14];
336};
337
338extern _X_EXPORT void VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data);
339extern _X_EXPORT struct vbePanelID *VBEReadPanelID(vbeInfoPtr pVbe);
340
341#endif
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