[deb_xorg-server.git] / hw / xfree86 / vbe / vbeModes.h

/*
 * 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>
 *
 */

#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 _X_EXPORT int VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock * vbe,
                                            int *flags24, int modeTypes);
extern _X_EXPORT DisplayModePtr VBEGetModePool(ScrnInfoPtr pScrn,
                                               vbeInfoPtr pVbe,
                                               VbeInfoBlock * vbe,
                                               int modeTypes);
extern _X_EXPORT void VBESetModeNames(DisplayModePtr pMode);
extern _X_EXPORT void VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe);

/*
 * Note: These are alternatives to the standard helpers.  They should
 * usually just wrap the standard helpers.
 */
extern _X_EXPORT 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 _X_EXPORT void VBEPrintModes(ScrnInfoPtr scrp);

#endif                          /* VBE_MODES_H */
Commit	Line	Data
a09e091a JB	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	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 */