xf86Crtc.h

Last change on this file was 38824, checked in by vboxsync, 13 years ago
Additions/x11: header files for building X.Org Server 1.11 modules
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1	/*
2	* Copyright © 2006 Keith Packard
3	*
4	* Permission to use, copy, modify, distribute, and sell this software and its
5	* documentation for any purpose is hereby granted without fee, provided that
6	* the above copyright notice appear in all copies and that both that copyright
7	* notice and this permission notice appear in supporting documentation, and
8	* that the name of the copyright holders not be used in advertising or
9	* publicity pertaining to distribution of the software without specific,
10	* written prior permission. The copyright holders make no representations
11	* about the suitability of this software for any purpose. It is provided "as
12	* is" without express or implied warranty.
13	*
14	* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16	* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20	* OF THIS SOFTWARE.
21	*/
22	#ifndef _XF86CRTC_H_
23	#define _XF86CRTC_H_
24
25	#include <edid.h>
26	#include "randrstr.h"
27	#if XF86_MODES_RENAME
28	#include "xf86Rename.h"
29	#endif
30	#include "xf86Modes.h"
31	#include "xf86Cursor.h"
32	#include "xf86i2c.h"
33	#include "damage.h"
34	#include "picturestr.h"
35
36	/* Compat definitions for older X Servers. */
37	#ifndef M_T_PREFERRED
38	#define M_T_PREFERRED 0x08
39	#endif
40	#ifndef M_T_DRIVER
41	#define M_T_DRIVER 0x40
42	#endif
43	#ifndef M_T_USERPREF
44	#define M_T_USERPREF 0x80
45	#endif
46	#ifndef HARDWARE_CURSOR_ARGB
47	#define HARDWARE_CURSOR_ARGB 0x00004000
48	#endif
49
50	typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr;
51	typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr;
52
53	/* define a standard for connector types */
54	typedef enum _xf86ConnectorType {
55	XF86ConnectorNone,
56	XF86ConnectorVGA,
57	XF86ConnectorDVI_I,
58	XF86ConnectorDVI_D,
59	XF86ConnectorDVI_A,
60	XF86ConnectorComposite,
61	XF86ConnectorSvideo,
62	XF86ConnectorComponent,
63	XF86ConnectorLFP,
64	XF86ConnectorProprietary,
65	XF86ConnectorHDMI,
66	XF86ConnectorDisplayPort,
67	} xf86ConnectorType;
68
69	typedef enum _xf86OutputStatus {
70	XF86OutputStatusConnected,
71	XF86OutputStatusDisconnected,
72	XF86OutputStatusUnknown
73	} xf86OutputStatus;
74
75	typedef struct _xf86CrtcFuncs {
76	/**
77	* Turns the crtc on/off, or sets intermediate power levels if available.
78	*
79	* Unsupported intermediate modes drop to the lower power setting. If the
80	* mode is DPMSModeOff, the crtc must be disabled sufficiently for it to
81	* be safe to call mode_set.
82	*/
83	void
84	(*dpms)(xf86CrtcPtr crtc,
85	int mode);
86
87	/**
88	* Saves the crtc's state for restoration on VT switch.
89	*/
90	void
91	(*save)(xf86CrtcPtr crtc);
92
93	/**
94	* Restore's the crtc's state at VT switch.
95	*/
96	void
97	(*restore)(xf86CrtcPtr crtc);
98
99	/**
100	* Lock CRTC prior to mode setting, mostly for DRI.
101	* Returns whether unlock is needed
102	*/
103	Bool
104	(*lock) (xf86CrtcPtr crtc);
105
106	/**
107	* Unlock CRTC after mode setting, mostly for DRI
108	*/
109	void
110	(*unlock) (xf86CrtcPtr crtc);
111
112	/**
113	* Callback to adjust the mode to be set in the CRTC.
114	*
115	* This allows a CRTC to adjust the clock or even the entire set of
116	* timings, which is used for panels with fixed timings or for
117	* buses with clock limitations.
118	*/
119	Bool
120	(*mode_fixup)(xf86CrtcPtr crtc,
121	DisplayModePtr mode,
122	DisplayModePtr adjusted_mode);
123
124	/**
125	* Prepare CRTC for an upcoming mode set.
126	*/
127	void
128	(*prepare)(xf86CrtcPtr crtc);
129
130	/**
131	* Callback for setting up a video mode after fixups have been made.
132	*/
133	void
134	(*mode_set)(xf86CrtcPtr crtc,
135	DisplayModePtr mode,
136	DisplayModePtr adjusted_mode,
137	int x, int y);
138
139	/**
140	* Commit mode changes to a CRTC
141	*/
142	void
143	(*commit)(xf86CrtcPtr crtc);
144
145	/* Set the color ramps for the CRTC to the given values. */
146	void
147	(gamma_set)(xf86CrtcPtr crtc, CARD16 red, CARD16 green, CARD16 blue,
148	int size);
149
150	/**
151	* Allocate the shadow area, delay the pixmap creation until needed
152	*/
153	void *
154	(*shadow_allocate) (xf86CrtcPtr crtc, int width, int height);
155
156	/**
157	* Create shadow pixmap for rotation support
158	*/
159	PixmapPtr
160	(shadow_create) (xf86CrtcPtr crtc, void data, int width, int height);
161
162	/**
163	* Destroy shadow pixmap
164	*/
165	void
166	(shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void data);
167
168	/**
169	* Set cursor colors
170	*/
171	void
172	(*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg);
173
174	/**
175	* Set cursor position
176	*/
177	void
178	(*set_cursor_position) (xf86CrtcPtr crtc, int x, int y);
179
180	/**
181	* Show cursor
182	*/
183	void
184	(*show_cursor) (xf86CrtcPtr crtc);
185
186	/**
187	* Hide cursor
188	*/
189	void
190	(*hide_cursor) (xf86CrtcPtr crtc);
191
192	/**
193	* Load monochrome image
194	*/
195	void
196	(load_cursor_image) (xf86CrtcPtr crtc, CARD8 image);
197
198	/**
199	* Load ARGB image
200	*/
201	void
202	(load_cursor_argb) (xf86CrtcPtr crtc, CARD32 image);
203
204	/**
205	* Clean up driver-specific bits of the crtc
206	*/
207	void
208	(*destroy) (xf86CrtcPtr crtc);
209
210	/**
211	* Less fine-grained mode setting entry point for kernel modesetting
212	*/
213	Bool
214	(*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode,
215	Rotation rotation, int x, int y);
216
217	/**
218	* Callback for panning. Doesn't change the mode.
219	* Added in ABI version 2
220	*/
221	void
222	(*set_origin)(xf86CrtcPtr crtc, int x, int y);
223
224	} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;
225
226	#define XF86_CRTC_VERSION 3
227
228	struct _xf86Crtc {
229	/**
230	* ABI versioning
231	*/
232	int version;
233
234	/**
235	* Associated ScrnInfo
236	*/
237	ScrnInfoPtr scrn;
238
239	/**
240	* Desired state of this CRTC
241	*
242	* Set when this CRTC should be driving one or more outputs
243	*/
244	Bool enabled;
245
246	/**
247	* Active mode
248	*
249	* This reflects the mode as set in the CRTC currently
250	* It will be cleared when the VT is not active or
251	* during server startup
252	*/
253	DisplayModeRec mode;
254	Rotation rotation;
255	PixmapPtr rotatedPixmap;
256	void *rotatedData;
257
258	/**
259	* Position on screen
260	*
261	* Locates this CRTC within the frame buffer
262	*/
263	int x, y;
264
265	/**
266	* Desired mode
267	*
268	* This is set to the requested mode, independent of
269	* whether the VT is active. In particular, it receives
270	* the startup configured mode and saves the active mode
271	* on VT switch.
272	*/
273	DisplayModeRec desiredMode;
274	Rotation desiredRotation;
275	int desiredX, desiredY;
276
277	/** crtc-specific functions */
278	const xf86CrtcFuncsRec *funcs;
279
280	/**
281	* Driver private
282	*
283	* Holds driver-private information
284	*/
285	void *driver_private;
286
287	#ifdef RANDR_12_INTERFACE
288	/**
289	* RandR crtc
290	*
291	* When RandR 1.2 is available, this
292	* points at the associated crtc object
293	*/
294	RRCrtcPtr randr_crtc;
295	#else
296	void *randr_crtc;
297	#endif
298
299	/**
300	* Current cursor is ARGB
301	*/
302	Bool cursor_argb;
303	/**
304	* Track whether cursor is within CRTC range
305	*/
306	Bool cursor_in_range;
307	/**
308	* Track state of cursor associated with this CRTC
309	*/
310	Bool cursor_shown;
311
312	/**
313	* Current transformation matrix
314	*/
315	PictTransform crtc_to_framebuffer;
316	/* framebuffer_to_crtc was removed in ABI 2 */
317	struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */
318	struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */
319	PictFilterPtr filter; /* ABI 2 */
320	xFixed params; / ABI 2 */
321	int nparams; /* ABI 2 */
322	int filter_width; /* ABI 2 */
323	int filter_height; /* ABI 2 */
324	Bool transform_in_use;
325	RRTransformRec transform; /* ABI 2 */
326	Bool transformPresent; /* ABI 2 */
327	RRTransformRec desiredTransform; /* ABI 2 */
328	Bool desiredTransformPresent; /* ABI 2 */
329	/**
330	* Bounding box in screen space
331	*/
332	BoxRec bounds;
333	/**
334	* Panning:
335	* TotalArea: total panning area, larger than CRTC's size
336	* TrackingArea: Area of the pointer for which the CRTC is panned
337	* border: Borders of the displayed CRTC area which induces panning if the pointer reaches them
338	* Added in ABI version 2
339	*/
340	BoxRec panningTotalArea;
341	BoxRec panningTrackingArea;
342	INT16 panningBorder[4];
343
344	/**
345	* Current gamma, especially useful after initial config.
346	* Added in ABI version 3
347	*/
348	CARD16 *gamma_red;
349	CARD16 *gamma_green;
350	CARD16 *gamma_blue;
351	int gamma_size;
352
353	/**
354	* Actual state of this CRTC
355	*
356	* Set to TRUE after modesetting, set to FALSE if no outputs are connected
357	* Added in ABI version 3
358	*/
359	Bool active;
360	/**
361	* Clear the shadow
362	*/
363	Bool shadowClear;
364	};
365
366	typedef struct _xf86OutputFuncs {
367	/**
368	* Called to allow the output a chance to create properties after the
369	* RandR objects have been created.
370	*/
371	void
372	(*create_resources)(xf86OutputPtr output);
373
374	/**
375	* Turns the output on/off, or sets intermediate power levels if available.
376	*
377	* Unsupported intermediate modes drop to the lower power setting. If the
378	* mode is DPMSModeOff, the output must be disabled, as the DPLL may be
379	* disabled afterwards.
380	*/
381	void
382	(*dpms)(xf86OutputPtr output,
383	int mode);
384
385	/**
386	* Saves the output's state for restoration on VT switch.
387	*/
388	void
389	(*save)(xf86OutputPtr output);
390
391	/**
392	* Restore's the output's state at VT switch.
393	*/
394	void
395	(*restore)(xf86OutputPtr output);
396
397	/**
398	* Callback for testing a video mode for a given output.
399	*
400	* This function should only check for cases where a mode can't be supported
401	* on the output specifically, and not represent generic CRTC limitations.
402	*
403	* \return MODE_OK if the mode is valid, or another MODE_* otherwise.
404	*/
405	int
406	(*mode_valid)(xf86OutputPtr output,
407	DisplayModePtr pMode);
408
409	/**
410	* Callback to adjust the mode to be set in the CRTC.
411	*
412	* This allows an output to adjust the clock or even the entire set of
413	* timings, which is used for panels with fixed timings or for
414	* buses with clock limitations.
415	*/
416	Bool
417	(*mode_fixup)(xf86OutputPtr output,
418	DisplayModePtr mode,
419	DisplayModePtr adjusted_mode);
420
421	/**
422	* Callback for preparing mode changes on an output
423	*/
424	void
425	(*prepare)(xf86OutputPtr output);
426
427	/**
428	* Callback for committing mode changes on an output
429	*/
430	void
431	(*commit)(xf86OutputPtr output);
432
433	/**
434	* Callback for setting up a video mode after fixups have been made.
435	*
436	* This is only called while the output is disabled. The dpms callback
437	* must be all that's necessary for the output, to turn the output on
438	* after this function is called.
439	*/
440	void
441	(*mode_set)(xf86OutputPtr output,
442	DisplayModePtr mode,
443	DisplayModePtr adjusted_mode);
444
445	/**
446	* Probe for a connected output, and return detect_status.
447	*/
448	xf86OutputStatus
449	(*detect)(xf86OutputPtr output);
450
451	/**
452	* Query the device for the modes it provides.
453	*
454	* This function may also update MonInfo, mm_width, and mm_height.
455	*
456	* \return singly-linked list of modes or NULL if no modes found.
457	*/
458	DisplayModePtr
459	(*get_modes)(xf86OutputPtr output);
460
461	#ifdef RANDR_12_INTERFACE
462	/**
463	* Callback when an output's property has changed.
464	*/
465	Bool
466	(*set_property)(xf86OutputPtr output,
467	Atom property,
468	RRPropertyValuePtr value);
469	#endif
470	#ifdef RANDR_13_INTERFACE
471	/**
472	* Callback to get an updated property value
473	*/
474	Bool
475	(*get_property)(xf86OutputPtr output,
476	Atom property);
477	#endif
478	#ifdef RANDR_GET_CRTC_INTERFACE
479	/**
480	* Callback to get current CRTC for a given output
481	*/
482	xf86CrtcPtr
483	(*get_crtc)(xf86OutputPtr output);
484	#endif
485	/**
486	* Clean up driver-specific bits of the output
487	*/
488	void
489	(*destroy) (xf86OutputPtr output);
490	} xf86OutputFuncsRec, *xf86OutputFuncsPtr;
491
492
493	#define XF86_OUTPUT_VERSION 2
494
495	struct _xf86Output {
496	/**
497	* ABI versioning
498	*/
499	int version;
500
501	/**
502	* Associated ScrnInfo
503	*/
504	ScrnInfoPtr scrn;
505
506	/**
507	* Currently connected crtc (if any)
508	*
509	* If this output is not in use, this field will be NULL.
510	*/
511	xf86CrtcPtr crtc;
512
513	/**
514	* Possible CRTCs for this output as a mask of crtc indices
515	*/
516	CARD32 possible_crtcs;
517
518	/**
519	* Possible outputs to share the same CRTC as a mask of output indices
520	*/
521	CARD32 possible_clones;
522
523	/**
524	* Whether this output can support interlaced modes
525	*/
526	Bool interlaceAllowed;
527
528	/**
529	* Whether this output can support double scan modes
530	*/
531	Bool doubleScanAllowed;
532
533	/**
534	* List of available modes on this output.
535	*
536	* This should be the list from get_modes(), plus perhaps additional
537	* compatible modes added later.
538	*/
539	DisplayModePtr probed_modes;
540
541	/**
542	* Options parsed from the related monitor section
543	*/
544	OptionInfoPtr options;
545
546	/**
547	* Configured monitor section
548	*/
549	XF86ConfMonitorPtr conf_monitor;
550
551	/**
552	* Desired initial position
553	*/
554	int initial_x, initial_y;
555
556	/**
557	* Desired initial rotation
558	*/
559	Rotation initial_rotation;
560
561	/**
562	* Current connection status
563	*
564	* This indicates whether a monitor is known to be connected
565	* to this output or not, or whether there is no way to tell
566	*/
567	xf86OutputStatus status;
568
569	/** EDID monitor information */
570	xf86MonPtr MonInfo;
571
572	/** subpixel order */
573	int subpixel_order;
574
575	/** Physical size of the currently attached output device. */
576	int mm_width, mm_height;
577
578	/** Output name */
579	char *name;
580
581	/** output-specific functions */
582	const xf86OutputFuncsRec *funcs;
583
584	/** driver private information */
585	void *driver_private;
586
587	/** Whether to use the old per-screen Monitor config section */
588	Bool use_screen_monitor;
589
590	#ifdef RANDR_12_INTERFACE
591	/**
592	* RandR 1.2 output structure.
593	*
594	* When RandR 1.2 is available, this points at the associated
595	* RandR output structure and is created when this output is created
596	*/
597	RROutputPtr randr_output;
598	#else
599	void *randr_output;
600	#endif
601	/**
602	* Desired initial panning
603	* Added in ABI version 2
604	*/
605	BoxRec initialTotalArea;
606	BoxRec initialTrackingArea;
607	INT16 initialBorder[4];
608	};
609
610	typedef struct _xf86CrtcConfigFuncs {
611	/**
612	* Requests that the driver resize the screen.
613	*
614	* The driver is responsible for updating scrn->virtualX and scrn->virtualY.
615	* If the requested size cannot be set, the driver should leave those values
616	* alone and return FALSE.
617	*
618	* A naive driver that cannot reallocate the screen may simply change
619	* virtual[XY]. A more advanced driver will want to also change the
620	* devPrivate.ptr and devKind of the screen pixmap, update any offscreen
621	* pixmaps it may have moved, and change pScrn->displayWidth.
622	*/
623	Bool
624	(*resize)(ScrnInfoPtr scrn,
625	int width,
626	int height);
627	} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr;
628
629	typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen);
630
631	typedef struct _xf86CrtcConfig {
632	int num_output;
633	xf86OutputPtr *output;
634	/**
635	* compat_output is used whenever we deal
636	* with legacy code that only understands a single
637	* output. pScrn->modes will be loaded from this output,
638	* adjust frame will whack this output, etc.
639	*/
640	int compat_output;
641
642	int num_crtc;
643	xf86CrtcPtr *crtc;
644
645	int minWidth, minHeight;
646	int maxWidth, maxHeight;
647
648	/* For crtc-based rotation */
649	DamagePtr rotation_damage;
650	Bool rotation_damage_registered;
651
652	/* DGA */
653	unsigned int dga_flags;
654	unsigned long dga_address;
655	DGAModePtr dga_modes;
656	int dga_nmode;
657	int dga_width, dga_height, dga_stride;
658	DisplayModePtr dga_save_mode;
659
660	const xf86CrtcConfigFuncsRec *funcs;
661
662	CreateScreenResourcesProcPtr CreateScreenResources;
663
664	CloseScreenProcPtr CloseScreen;
665
666	/* Cursor information */
667	xf86CursorInfoPtr cursor_info;
668	CursorPtr cursor;
669	CARD8 *cursor_image;
670	Bool cursor_on;
671	CARD32 cursor_fg, cursor_bg;
672
673	/**
674	* Options parsed from the related device section
675	*/
676	OptionInfoPtr options;
677
678	Bool debug_modes;
679
680	/* wrap screen BlockHandler for rotation */
681	ScreenBlockHandlerProcPtr BlockHandler;
682
683	/* callback when crtc configuration changes */
684	xf86_crtc_notify_proc_ptr xf86_crtc_notify;
685
686	} xf86CrtcConfigRec, *xf86CrtcConfigPtr;
687
688	extern _X_EXPORT int xf86CrtcConfigPrivateIndex;
689
690	#define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr))
691
692	static _X_INLINE xf86OutputPtr
693	xf86CompatOutput(ScrnInfoPtr pScrn)
694	{
695	xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
696	return config->output[config->compat_output];
697	}
698
699	static _X_INLINE xf86CrtcPtr
700	xf86CompatCrtc(ScrnInfoPtr pScrn)
701	{
702	xf86OutputPtr compat_output = xf86CompatOutput(pScrn);
703	if (!compat_output)
704	return NULL;
705	return compat_output->crtc;
706	}
707
708	static _X_INLINE RRCrtcPtr
709	xf86CompatRRCrtc(ScrnInfoPtr pScrn)
710	{
711	xf86CrtcPtr compat_crtc = xf86CompatCrtc(pScrn);
712	if (!compat_crtc)
713	return NULL;
714	return compat_crtc->randr_crtc;
715	}
716
717
718	/*
719	* Initialize xf86CrtcConfig structure
720	*/
721
722	extern _X_EXPORT void
723	xf86CrtcConfigInit (ScrnInfoPtr scrn,
724	const xf86CrtcConfigFuncsRec *funcs);
725
726	extern _X_EXPORT void
727	xf86CrtcSetSizeRange (ScrnInfoPtr scrn,
728	int minWidth, int minHeight,
729	int maxWidth, int maxHeight);
730
731	/*
732	* Crtc functions
733	*/
734	extern _X_EXPORT xf86CrtcPtr
735	xf86CrtcCreate (ScrnInfoPtr scrn,
736	const xf86CrtcFuncsRec *funcs);
737
738	extern _X_EXPORT void
739	xf86CrtcDestroy (xf86CrtcPtr crtc);
740
741
742	/**
743	* Sets the given video mode on the given crtc
744	*/
745
746	extern _X_EXPORT Bool
747	xf86CrtcSetModeTransform (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
748	RRTransformPtr transform, int x, int y);
749
750	extern _X_EXPORT Bool
751	xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
752	int x, int y);
753
754	extern _X_EXPORT void
755	xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y);
756
757	/*
758	* Assign crtc rotation during mode set
759	*/
760	extern _X_EXPORT Bool
761	xf86CrtcRotate (xf86CrtcPtr crtc);
762
763	/*
764	* Clean up any rotation data, used when a crtc is turned off
765	* as well as when rotation is disabled.
766	*/
767	extern _X_EXPORT void
768	xf86RotateDestroy (xf86CrtcPtr crtc);
769
770	/*
771	* free shadow memory allocated for all crtcs
772	*/
773	extern _X_EXPORT void
774	xf86RotateFreeShadow(ScrnInfoPtr pScrn);
775
776	/*
777	* Clean up rotation during CloseScreen
778	*/
779	extern _X_EXPORT void
780	xf86RotateCloseScreen (ScreenPtr pScreen);
781
782	/**
783	* Return whether any output is assigned to the crtc
784	*/
785	extern _X_EXPORT Bool
786	xf86CrtcInUse (xf86CrtcPtr crtc);
787
788	/*
789	* Output functions
790	*/
791	extern _X_EXPORT xf86OutputPtr
792	xf86OutputCreate (ScrnInfoPtr scrn,
793	const xf86OutputFuncsRec *funcs,
794	const char *name);
795
796	extern _X_EXPORT void
797	xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor);
798
799	extern _X_EXPORT Bool
800	xf86OutputRename (xf86OutputPtr output, const char *name);
801
802	extern _X_EXPORT void
803	xf86OutputDestroy (xf86OutputPtr output);
804
805	extern _X_EXPORT void
806	xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY);
807
808	extern _X_EXPORT void
809	xf86SetScrnInfoModes (ScrnInfoPtr pScrn);
810
811	#ifdef RANDR_13_INTERFACE
812	# define ScreenInitRetType int
813	#else
814	# define ScreenInitRetType Bool
815	#endif
816
817	extern _X_EXPORT ScreenInitRetType
818	xf86CrtcScreenInit (ScreenPtr pScreen);
819
820	extern _X_EXPORT Bool
821	xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow);
822
823	extern _X_EXPORT void
824	xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
825
826	extern _X_EXPORT Bool
827	xf86SaveScreen(ScreenPtr pScreen, int mode);
828
829	extern _X_EXPORT void
830	xf86DisableUnusedFunctions(ScrnInfoPtr pScrn);
831
832	extern _X_EXPORT DisplayModePtr
833	xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired);
834
835	extern _X_EXPORT Bool
836	xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation);
837
838	/**
839	* Set the EDID information for the specified output
840	*/
841	extern _X_EXPORT void
842	xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon);
843
844	/**
845	* Return the list of modes supported by the EDID information
846	* stored in 'output'
847	*/
848	extern _X_EXPORT DisplayModePtr
849	xf86OutputGetEDIDModes (xf86OutputPtr output);
850
851	extern _X_EXPORT xf86MonPtr
852	xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);
853
854	/**
855	* Initialize dga for this screen
856	*/
857
858	#ifdef XFreeXDGA
859	extern _X_EXPORT Bool
860	xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);
861
862	/* this is the real function, used only internally */
863	_X_INTERNAL Bool
864	_xf86_di_dga_init_internal (ScreenPtr pScreen);
865
866	/**
867	* Re-initialize dga for this screen (as when the set of modes changes)
868	*/
869
870	extern _X_EXPORT Bool
871	xf86DiDGAReInit (ScreenPtr pScreen);
872	#endif
873
874	/* This is the real function, used only internally */
875	_X_INTERNAL Bool
876	_xf86_di_dga_reinit_internal (ScreenPtr pScreen);
877
878	/*
879	* Set the subpixel order reported for the screen using
880	* the information from the outputs
881	*/
882
883	extern _X_EXPORT void
884	xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen);
885
886	/*
887	* Get a standard string name for a connector type
888	*/
889	extern _X_EXPORT char *
890	xf86ConnectorGetName(xf86ConnectorType connector);
891
892	/*
893	* Using the desired mode information in each crtc, set
894	* modes (used in EnterVT functions, or at server startup)
895	*/
896
897	extern _X_EXPORT Bool
898	xf86SetDesiredModes (ScrnInfoPtr pScrn);
899
900	/**
901	* Initialize the CRTC-based cursor code. CRTC function vectors must
902	* contain relevant cursor setting functions.
903	*
904	* Driver should call this from ScreenInit function
905	*/
906	extern _X_EXPORT Bool
907	xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags);
908
909	/**
910	* Called when anything on the screen is reconfigured.
911	*
912	* Reloads cursor images as needed, then adjusts cursor positions.
913	*
914	* Driver should call this from crtc commit function.
915	*/
916	extern _X_EXPORT void
917	xf86_reload_cursors (ScreenPtr screen);
918
919	/**
920	* Called from EnterVT to turn the cursors back on
921	*/
922	extern _X_EXPORT void
923	xf86_show_cursors (ScrnInfoPtr scrn);
924
925	/**
926	* Called by the driver to turn cursors off
927	*/
928	extern _X_EXPORT void
929	xf86_hide_cursors (ScrnInfoPtr scrn);
930
931	/**
932	* Clean up CRTC-based cursor code. Driver must call this at CloseScreen time.
933	*/
934	extern _X_EXPORT void
935	xf86_cursors_fini (ScreenPtr screen);
936
937	/*
938	* For overlay video, compute the relevant CRTC and
939	* clip video to that.
940	* wraps xf86XVClipVideoHelper()
941	*/
942
943	extern _X_EXPORT Bool
944	xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,
945	xf86CrtcPtr *crtc_ret,
946	xf86CrtcPtr desired_crtc,
947	BoxPtr dst,
948	INT32 *xa,
949	INT32 *xb,
950	INT32 *ya,
951	INT32 *yb,
952	RegionPtr reg,
953	INT32 width,
954	INT32 height);
955
956	extern _X_EXPORT xf86_crtc_notify_proc_ptr
957	xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new);
958
959	extern _X_EXPORT void
960	xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
961
962	extern _X_EXPORT void
963	xf86_crtc_notify(ScreenPtr pScreen);
964
965	/**
966	* Gamma
967	*/
968
969	extern _X_EXPORT Bool
970	xf86_crtc_supports_gamma(ScrnInfoPtr pScrn);
971
972	#endif /* _XF86CRTC_H_ */

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source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.11.0/xf86Crtc.h

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