vbeModes.h (3946B)
1 /* 2 * Copyright © 2002 David Dawes 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 * 22 * Except as contained in this notice, the name of the author(s) shall 23 * not be used in advertising or otherwise to promote the sale, use or other 24 * dealings in this Software without prior written authorization from 25 * the author(s). 26 * 27 * Authors: David Dawes <dawes@xfree86.org> 28 * 29 */ 30 31 #ifndef _VBE_MODES_H 32 33 /* 34 * This is intended to be stored in the DisplayModeRec's private area. 35 * It includes all the information necessary to VBE information. 36 */ 37 typedef struct _VbeModeInfoData { 38 int mode; 39 VbeModeInfoBlock *data; 40 VbeCRTCInfoBlock *block; 41 } VbeModeInfoData; 42 43 #define V_DEPTH_1 0x001 44 #define V_DEPTH_4 0x002 45 #define V_DEPTH_8 0x004 46 #define V_DEPTH_15 0x008 47 #define V_DEPTH_16 0x010 48 #define V_DEPTH_24_24 0x020 49 #define V_DEPTH_24_32 0x040 50 #define V_DEPTH_24 (V_DEPTH_24_24 | V_DEPTH_24_32) 51 #define V_DEPTH_30 0x080 52 #define V_DEPTH_32 0x100 53 54 #define VBE_MODE_SUPPORTED(m) (((m)->ModeAttributes & 0x01) != 0) 55 #define VBE_MODE_COLOR(m) (((m)->ModeAttributes & 0x08) != 0) 56 #define VBE_MODE_GRAPHICS(m) (((m)->ModeAttributes & 0x10) != 0) 57 #define VBE_MODE_VGA(m) (((m)->ModeAttributes & 0x40) == 0) 58 #define VBE_MODE_LINEAR(m) (((m)->ModeAttributes & 0x80) != 0 && \ 59 ((m)->PhysBasePtr != 0)) 60 61 #define VBE_MODE_USABLE(m, f) (VBE_MODE_SUPPORTED(m) || \ 62 (f & V_MODETYPE_BAD)) && \ 63 VBE_MODE_GRAPHICS(m) && \ 64 (VBE_MODE_VGA(m) || VBE_MODE_LINEAR(m)) 65 66 #define V_MODETYPE_VBE 0x01 67 #define V_MODETYPE_VGA 0x02 68 #define V_MODETYPE_BAD 0x04 69 70 extern _X_EXPORT int VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock * vbe, 71 int *flags24, int modeTypes); 72 extern _X_EXPORT DisplayModePtr VBEGetModePool(ScrnInfoPtr pScrn, 73 vbeInfoPtr pVbe, 74 VbeInfoBlock * vbe, 75 int modeTypes); 76 extern _X_EXPORT void VBESetModeNames(DisplayModePtr pMode); 77 extern _X_EXPORT void VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe); 78 79 /* 80 * Note: These are alternatives to the standard helpers. They should 81 * usually just wrap the standard helpers. 82 */ 83 extern _X_EXPORT int VBEValidateModes(ScrnInfoPtr scrp, 84 DisplayModePtr availModes, 85 const char **modeNames, 86 ClockRangePtr clockRanges, 87 int *linePitches, int minPitch, 88 int maxPitch, int pitchInc, int minHeight, 89 int maxHeight, int virtualX, int virtualY, 90 int apertureSize, 91 LookupModeFlags strategy); 92 extern _X_EXPORT void VBEPrintModes(ScrnInfoPtr scrp); 93 94 #endif /* VBE_MODES_H */