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Diffstat (limited to 'hw/xfree86/vbe/vbeModes.h')
-rw-r--r-- | hw/xfree86/vbe/vbeModes.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/hw/xfree86/vbe/vbeModes.h b/hw/xfree86/vbe/vbeModes.h new file mode 100644 index 000000000..b3c57b917 --- /dev/null +++ b/hw/xfree86/vbe/vbeModes.h @@ -0,0 +1,91 @@ +/* + * Copyright © 2002 David Dawes + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of the author(s) shall + * not be used in advertising or otherwise to promote the sale, use or other + * dealings in this Software without prior written authorization from + * the author(s). + * + * Authors: David Dawes <dawes@xfree86.org> + * + * $XFree86: xc/programs/Xserver/hw/xfree86/vbe/vbeModes.h,v 1.1 2003/02/17 17:06:46 dawes Exp $ + */ + +#ifndef _VBE_MODES_H + +/* + * This is intended to be stored in the DisplayModeRec's private area. + * It includes all the information necessary to VBE information. + */ +typedef struct _VbeModeInfoData { + int mode; + VbeModeInfoBlock *data; + VbeCRTCInfoBlock *block; +} VbeModeInfoData; + +#define V_DEPTH_1 0x001 +#define V_DEPTH_4 0x002 +#define V_DEPTH_8 0x004 +#define V_DEPTH_15 0x008 +#define V_DEPTH_16 0x010 +#define V_DEPTH_24_24 0x020 +#define V_DEPTH_24_32 0x040 +#define V_DEPTH_24 (V_DEPTH_24_24 | V_DEPTH_24_32) +#define V_DEPTH_30 0x080 +#define V_DEPTH_32 0x100 + +#define VBE_MODE_SUPPORTED(m) (((m)->ModeAttributes & 0x01) != 0) +#define VBE_MODE_COLOR(m) (((m)->ModeAttributes & 0x08) != 0) +#define VBE_MODE_GRAPHICS(m) (((m)->ModeAttributes & 0x10) != 0) +#define VBE_MODE_VGA(m) (((m)->ModeAttributes & 0x40) == 0) +#define VBE_MODE_LINEAR(m) (((m)->ModeAttributes & 0x80) != 0 && \ + ((m)->PhysBasePtr != 0)) + +#define VBE_MODE_USABLE(m, f) (VBE_MODE_SUPPORTED(m) || \ + (f & V_MODETYPE_BAD)) && \ + VBE_MODE_GRAPHICS(m) && \ + (VBE_MODE_VGA(m) || VBE_MODE_LINEAR(m)) + +#define V_MODETYPE_VBE 0x01 +#define V_MODETYPE_VGA 0x02 +#define V_MODETYPE_BAD 0x04 + +extern int VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock *vbe, + int *flags24, int modeTypes); +extern DisplayModePtr VBEGetModePool(ScrnInfoPtr pScrn, vbeInfoPtr pVbe, + VbeInfoBlock *vbe, int modeTypes); +extern void VBESetModeNames(DisplayModePtr pMode); +extern void VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe); + + +/* + * Note: These are alternatives to the standard helpers. They should + * usually just wrap the standard helpers. + */ +extern int VBEValidateModes(ScrnInfoPtr scrp, DisplayModePtr availModes, + char **modeNames, ClockRangePtr clockRanges, + int *linePitches, int minPitch, int maxPitch, + int pitchInc, int minHeight, int maxHeight, + int virtualX, int virtualY, int apertureSize, + LookupModeFlags strategy); +extern void VBEPrintModes(ScrnInfoPtr scrp); + +#endif /* VBE_MODES_H */ |