Chameleon

Chameleon Svn Source Tree

Root/branches/azimutz/Chazi/i386/libsaio/vbe.h

1/*␊
2 * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊
3 *␊
4 * @APPLE_LICENSE_HEADER_START@␊
5 * ␊
6 * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊
7 * Reserved. This file contains Original Code and/or Modifications of␊
8 * Original Code as defined in and that are subject to the Apple Public␊
9 * Source License Version 2.0 (the "License"). You may not use this file␊
10 * except in compliance with the License. Please obtain a copy of the␊
11 * License at http://www.apple.com/publicsource and read it before using␊
12 * this file.␊
13 * ␊
14 * The Original Code and all software distributed under the License are␊
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊
19 * License for the specific language governing rights and limitations␊
20 * under the License.␊
21 * ␊
22 * @APPLE_LICENSE_HEADER_END@␊
23 */␊
24// Copyright 1997 by Apple Computer, Inc., all rights reserved.␊
25/* Copyright 1996-1997 NeXT Software, Inc.␊
26 *␊
27 * vesa.h - mode info obtained via int10␊
28 *␊
29 * Revision History␊
30 * ----------------␊
31 * 30 Jul 1996 Doug Mitchell at NeXT␊
32 * Created.␊
33 */␊
34␊
35#ifndef __LIBSAIO_VBE_H␊
36#define __LIBSAIO_VBE_H␊
37␊
38//#include "edid.h"␉␉␉//Azi:autoresolution <-- included in␊
39#include "autoresolution.h"␊
40//#include "../modules/AutoResolution/autoresolution.h" //Azi: reminder␊
41␊
42#define MIN_VESA_VERSION 0x200␊
43␊
44#define SEG(address) \␊
45 ((unsigned short)(((unsigned long)address & 0xffff0000) >> 4))␊
46␊
47#define OFF(address) \␊
48 ((unsigned short)((unsigned long)address & 0x0000ffff))␊
49␊
50#define VBEMakeUInt32(x) \␊
51 (((unsigned long)x##_high << 24) | \␊
52 ((unsigned long)x##_2 << 16) | \␊
53 ((unsigned long)x##_1 << 8) | \␊
54 (unsigned long)x##_low)␊
55␊
56#define VBEDecodeFP(t, fp) \␊
57 ((t)(((fp ## _low) | ((fp ## _1 ) << 8)) + \␊
58 (((fp ## _2) << 4) | ((fp ## _high ) << 12))))␊
59␊
60/*␊
61 * Functions␊
62 */␊
63enum {␊
64 funcGetControllerInfo = 0x4F00,␊
65 funcGetModeInfo = 0x4F01,␊
66 funcSetMode = 0x4F02,␊
67 funcGetCurrentMode = 0x4F03,␊
68 funcSaveRestoreState = 0x4F04,␊
69 funcWindowControl = 0x4F05,␊
70 funcGetSetScanLineLength = 0x4F06,␊
71 funcGetSetDisplayStart = 0x4F07,␊
72 funcGetSetPaletteFormat = 0x4F08,␊
73 funcGetSetPaletteData = 0x4F09,␊
74 funcGetProtModeInterdace = 0x4F0A,␊
75 funcGetSetPixelClock = 0x4F0B␊
76};␊
77␊
78enum {␊
79 subfuncSet = 0x00,␊
80 subfuncGet = 0x01,␊
81 subfuncSetSecondary = 0x02,␊
82 subfuncGetSecondary = 0x03␊
83};␊
84␊
85/*␊
86 * errors.␊
87 */␊
88enum {␊
89 errSuccess = 0,␊
90 errFuncFailed = 1,␊
91 errFuncNotSupported = 2,␊
92 errFuncInvalid = 3␊
93};␊
94␊
95/*␊
96 * Per-controller info, returned in function 4f00.␊
97 */␊
98typedef struct {␊
99 unsigned char VESASignature[4];␊
100 unsigned short VESAVersion;␊
101 /*␊
102 * Avoid packing problem...␊
103 */␊
104 unsigned char OEMStringPtr_low;␊
105 unsigned char OEMStringPtr_1;␊
106 unsigned char OEMStringPtr_2;␊
107 unsigned char OEMStringPtr_high;␊
108 unsigned char Capabilities_low;␊
109 unsigned char Capabilities_1;␊
110 unsigned char Capabilities_2;␊
111 unsigned char Capabilities_high;␊
112 unsigned char VideoModePtr_low;␊
113 unsigned char VideoModePtr_1;␊
114 unsigned char VideoModePtr_2;␊
115 unsigned char VideoModePtr_high;␊
116 unsigned short TotalMemory;␊
117 unsigned char Reserved[236];␊
118 unsigned char OEMData[256];␊
119} VBEInfoBlock;␊
120␊
121/*␊
122 * Capabilites␊
123 */␊
124enum {␊
125 capDACWidthIsSwitchableBit = (1 << 0), /* 1 = yes; 0 = no */␊
126 capControllerIsNotVGACompatableBit = (1 << 1), /* 1 = no; 0 = yes */␊
127 capOldRAMDAC = (1 << 2) /* 1 = yes; 0 = no */␊
128};␊
129␊
130/*␊
131 * Per-mode info, returned in function 4f02.␊
132 */␊
133typedef struct {␊
134 unsigned short ModeAttributes;␊
135 unsigned char WinAAttributes;␊
136 unsigned char WinBAttributes;␊
137 unsigned short WinGranularity;␊
138 unsigned short WinSize;␊
139 unsigned short WinASegment;␊
140 unsigned short WinABegment;␊
141 void * WinFuncPtr;␊
142 unsigned short BytesPerScanline;␊
143 unsigned short XResolution;␊
144 unsigned short YResolution;␊
145 unsigned char XCharSize;␊
146 unsigned char YCharSize;␊
147 unsigned char NumberOfPlanes;␊
148 unsigned char BitsPerPixel;␊
149 unsigned char NumberOfBanks;␊
150 unsigned char MemoryModel;␊
151 unsigned char BankSize;␊
152 unsigned char NumberOfImagePages;␊
153 unsigned char Reserved;␊
154 unsigned char RedMaskSize;␊
155 unsigned char RedFieldPosition;␊
156 unsigned char GreenMaskSize;␊
157 unsigned char GreenFieldPosition;␊
158 unsigned char BlueMaskSize;␊
159 unsigned char BlueFieldPosition;␊
160 unsigned char RsvdMaskSize;␊
161 unsigned char RsvdFieldPosition;␊
162 unsigned char DirectColorModeInfo;␊
163 unsigned char PhysBasePtr_low;␊
164 unsigned char PhysBasePtr_1;␊
165 unsigned char PhysBasePtr_2;␊
166 unsigned char PhysBasePtr_high;␊
167 void * OffScreenMemOffset;␊
168 unsigned short OffScreenMemSize;␊
169 unsigned char Reserved1[206];␊
170} VBEModeInfoBlock;␊
171␊
172/* ␊
173 * ModeAttributes bits␊
174 */␊
175enum {␊
176 maModeIsSupportedBit = (1 << 0), /* mode is supported */␊
177 maExtendedInfoAvailableBit = (1 << 1), /* extended info available */␊
178 maOutputFuncSupportedBit = (1 << 2), /* output functions supported */␊
179 maColorModeBit = (1 << 3), /* 1 = color; 0 = mono */␊
180 maGraphicsModeBit = (1 << 4), /* 1 = graphics; 0 = text */␊
181 maModeIsNotVGACompatableBit = (1 << 5), /* 1 = not compat; 0 = compat */␊
182 maVGAMemoryModeNotAvailBit = (1 << 6), /* 1 = not avail; 0 = avail */␊
183 maLinearFrameBufferAvailBit = (1 << 7) /* 1 = avail; 0 = not avail */␊
184};␊
185␊
186/*␊
187 * Modes␊
188 */␊
189enum {␊
190 mode640x400x256 = 0x100,␊
191 mode640x480x256 = 0x101,␊
192 mode800x600x16 = 0x102,␊
193 mode800x600x256 = 0x103,␊
194 mode1024x768x16 = 0x104,␊
195 mode1024x768x256 = 0x105,␊
196 mode1280x1024x16 = 0x106,␊
197 mode1280x1024x256 = 0x107,␊
198 mode80Cx60R = 0x108,␊
199 mode132Cx25R = 0x109,␊
200 mode132Cx43R = 0x10A,␊
201 mode132Cx50R = 0x10B,␊
202 mode132Cx60R = 0x10C,␊
203 mode320x200x555 = 0x10D,␊
204 mode320x200x565 = 0x10E,␊
205 mode320x200x888 = 0x10F,␊
206 mode640x480x555 = 0x110,␊
207 mode640x480x565 = 0x111,␊
208 mode640x480x888 = 0x112,␊
209 mode800x600x555 = 0x113,␊
210 mode800x600x565 = 0x114,␊
211 mode800x600x888 = 0x115,␊
212 mode1024x768x555 = 0x116,␊
213 mode1024x768x565 = 0x117,␊
214 mode1024x768x888 = 0x118,␊
215 mode1280x1024x555 = 0x119,␊
216 mode1280x1024x565 = 0x11A,␊
217 mode1280x1024x888 = 0x11B,␊
218 modeSpecial = 0x81FF,␊
219 modeEndOfList = 0xFFFF␊
220};␊
221␊
222/*␊
223 * Get/Set VBE Mode parameters␊
224 */␊
225enum {␊
226 kCustomRefreshRateBit = (1 << 11),␊
227 kLinearFrameBufferBit = (1 << 14),␊
228 kPreserveMemoryBit = (1 << 15)␊
229};␊
230␊
231/*␊
232 * CRTC information block passed to function 4F02␊
233 * to override default refresh rate.␊
234 */␊
235#pragma pack(1)␊
236␊
237typedef struct {␊
238 unsigned short HTotal;␊
239 unsigned short HSyncStart;␊
240 unsigned short HSyncEnd;␊
241 unsigned short VTotal;␊
242 unsigned short VSyncStart;␊
243 unsigned short VSyncEnd;␊
244 unsigned char Flags;␊
245 unsigned long PixelClock; /* in Hz */␊
246 unsigned short RefreshRate; /* units of 0.01 Hz */␊
247 unsigned char Reserved[40];␊
248} VBECRTCInfoBlock;␊
249␊
250#pragma pack()␊
251␊
252/*␊
253 * Defined flags for 'Flags' field in VBECRTCInfoBlock.␊
254 */␊
255enum {␊
256 kCRTCDoubleScannedMode = (1 << 0),␊
257 kCRTCInterlacedMode = (1 << 1),␊
258 kCRTCNegativeHorizontalSync = (1 << 2),␊
259 kCRTCNegativeVerticalSync = (1 << 3)␊
260};␊
261␊
262/*␊
263 * The type of paramter passed to generateCRTCTimings().␊
264 */␊
265enum {␊
266 kCRTCParamRefreshRate,␊
267 kCRTCParamPixelClock␊
268};␊
269␊
270/*␊
271 * Palette␊
272 */␊
273typedef unsigned long VBEPalette[256];␊
274␊
275/*␊
276 * DDC - AutoResolution␊
277 */␊
278extern int getEDID(void *ddcblock, uint8_t blocksleft);␊
279␊
280extern int getVBEInfo(void *vinfo_p);␊
281extern int getVBEModeInfo(int mode, void *minfo_p);␊
282extern int getVBEDACFormat(unsigned char *format);␊
283extern int setVBEDACFormat(unsigned char format);␊
284extern int setVBEPalette(void *palette);␊
285extern int getVBEPalette(void *palette);␊
286extern int setVBEMode(unsigned short mode, const VBECRTCInfoBlock *timing);␊
287extern int getVBECurrentMode(unsigned short *mode);␊
288extern int getVBEPixelClock(unsigned short mode, unsigned long *pixelClock);␊
289extern int generateCRTCTiming(unsigned short width,␊
290 unsigned short height,␊
291 unsigned long paramValue,␊
292 int paramType,␊
293 VBECRTCInfoBlock * timing);␊
294␊
295#endif /* !__LIBSAIO_VBE_H */␊
296

Archive Download this file

Revision: 618