95 lines
3.9 KiB
C
95 lines
3.9 KiB
C
/*
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* Copyright © 2002 David Dawes
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the author(s) shall
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* not be used in advertising or otherwise to promote the sale, use or other
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* dealings in this Software without prior written authorization from
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* the author(s).
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*
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* Authors: David Dawes <dawes@xfree86.org>
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*
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*/
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#ifndef _VBE_MODES_H
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/*
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* This is intended to be stored in the DisplayModeRec's private area.
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* It includes all the information necessary to VBE information.
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*/
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typedef struct _VbeModeInfoData {
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int mode;
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VbeModeInfoBlock *data;
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VbeCRTCInfoBlock *block;
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} VbeModeInfoData;
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#define V_DEPTH_1 0x001
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#define V_DEPTH_4 0x002
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#define V_DEPTH_8 0x004
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#define V_DEPTH_15 0x008
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#define V_DEPTH_16 0x010
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#define V_DEPTH_24_24 0x020
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#define V_DEPTH_24_32 0x040
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#define V_DEPTH_24 (V_DEPTH_24_24 | V_DEPTH_24_32)
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#define V_DEPTH_30 0x080
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#define V_DEPTH_32 0x100
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#define VBE_MODE_SUPPORTED(m) (((m)->ModeAttributes & 0x01) != 0)
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#define VBE_MODE_COLOR(m) (((m)->ModeAttributes & 0x08) != 0)
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#define VBE_MODE_GRAPHICS(m) (((m)->ModeAttributes & 0x10) != 0)
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#define VBE_MODE_VGA(m) (((m)->ModeAttributes & 0x40) == 0)
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#define VBE_MODE_LINEAR(m) (((m)->ModeAttributes & 0x80) != 0 && \
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((m)->PhysBasePtr != 0))
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#define VBE_MODE_USABLE(m, f) (VBE_MODE_SUPPORTED(m) || \
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(f & V_MODETYPE_BAD)) && \
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VBE_MODE_GRAPHICS(m) && \
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(VBE_MODE_VGA(m) || VBE_MODE_LINEAR(m))
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#define V_MODETYPE_VBE 0x01
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#define V_MODETYPE_VGA 0x02
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#define V_MODETYPE_BAD 0x04
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extern _X_EXPORT int VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock * vbe,
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int *flags24, int modeTypes);
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extern _X_EXPORT DisplayModePtr VBEGetModePool(ScrnInfoPtr pScrn,
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vbeInfoPtr pVbe,
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VbeInfoBlock * vbe,
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int modeTypes);
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extern _X_EXPORT void VBESetModeNames(DisplayModePtr pMode);
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extern _X_EXPORT void VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe);
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/*
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* Note: These are alternatives to the standard helpers. They should
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* usually just wrap the standard helpers.
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*/
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extern _X_EXPORT int VBEValidateModes(ScrnInfoPtr scrp,
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DisplayModePtr availModes,
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const char **modeNames,
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ClockRangePtr clockRanges,
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int *linePitches, int minPitch,
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int maxPitch, int pitchInc, int minHeight,
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int maxHeight, int virtualX, int virtualY,
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int apertureSize,
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LookupModeFlags strategy);
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extern _X_EXPORT void VBEPrintModes(ScrnInfoPtr scrp);
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#endif /* VBE_MODES_H */
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