xf86Crtc.h@ 62425

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1	/*
2	* Copyright © 2006 Keith Packard
3	* Copyright © 2011 Aaron Plattner
4	*
5	* Permission to use, copy, modify, distribute, and sell this software and its
6	* documentation for any purpose is hereby granted without fee, provided that
7	* the above copyright notice appear in all copies and that both that copyright
8	* notice and this permission notice appear in supporting documentation, and
9	* that the name of the copyright holders not be used in advertising or
10	* publicity pertaining to distribution of the software without specific,
11	* written prior permission. The copyright holders make no representations
12	* about the suitability of this software for any purpose. It is provided "as
13	* is" without express or implied warranty.
14	*
15	* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
16	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
17	* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
18	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
19	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
20	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
21	* OF THIS SOFTWARE.
22	*/
23	#ifndef _XF86CRTC_H_
24	#define _XF86CRTC_H_
25
26	#include <edid.h>
27	#include "randrstr.h"
28	#if XF86_MODES_RENAME
29	#include "xf86Rename.h"
30	#endif
31	#include "xf86Modes.h"
32	#include "xf86Cursor.h"
33	#include "xf86i2c.h"
34	#include "damage.h"
35	#include "picturestr.h"
36
37	/* Compat definitions for older X Servers. */
38	#ifndef M_T_PREFERRED
39	#define M_T_PREFERRED 0x08
40	#endif
41	#ifndef M_T_DRIVER
42	#define M_T_DRIVER 0x40
43	#endif
44	#ifndef M_T_USERPREF
45	#define M_T_USERPREF 0x80
46	#endif
47	#ifndef HARDWARE_CURSOR_ARGB
48	#define HARDWARE_CURSOR_ARGB 0x00004000
49	#endif
50
51	typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr;
52	typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr;
53
54	/* define a standard for connector types */
55	typedef enum _xf86ConnectorType {
56	XF86ConnectorNone,
57	XF86ConnectorVGA,
58	XF86ConnectorDVI_I,
59	XF86ConnectorDVI_D,
60	XF86ConnectorDVI_A,
61	XF86ConnectorComposite,
62	XF86ConnectorSvideo,
63	XF86ConnectorComponent,
64	XF86ConnectorLFP,
65	XF86ConnectorProprietary,
66	XF86ConnectorHDMI,
67	XF86ConnectorDisplayPort,
68	} xf86ConnectorType;
69
70	typedef enum _xf86OutputStatus {
71	XF86OutputStatusConnected,
72	XF86OutputStatusDisconnected,
73	XF86OutputStatusUnknown
74	} xf86OutputStatus;
75
76	typedef struct _xf86CrtcFuncs {
77	/**
78	* Turns the crtc on/off, or sets intermediate power levels if available.
79	*
80	* Unsupported intermediate modes drop to the lower power setting. If the
81	* mode is DPMSModeOff, the crtc must be disabled sufficiently for it to
82	* be safe to call mode_set.
83	*/
84	void
85	(*dpms)(xf86CrtcPtr crtc,
86	int mode);
87
88	/**
89	* Saves the crtc's state for restoration on VT switch.
90	*/
91	void
92	(*save)(xf86CrtcPtr crtc);
93
94	/**
95	* Restore's the crtc's state at VT switch.
96	*/
97	void
98	(*restore)(xf86CrtcPtr crtc);
99
100	/**
101	* Lock CRTC prior to mode setting, mostly for DRI.
102	* Returns whether unlock is needed
103	*/
104	Bool
105	(*lock) (xf86CrtcPtr crtc);
106
107	/**
108	* Unlock CRTC after mode setting, mostly for DRI
109	*/
110	void
111	(*unlock) (xf86CrtcPtr crtc);
112
113	/**
114	* Callback to adjust the mode to be set in the CRTC.
115	*
116	* This allows a CRTC to adjust the clock or even the entire set of
117	* timings, which is used for panels with fixed timings or for
118	* buses with clock limitations.
119	*/
120	Bool
121	(*mode_fixup)(xf86CrtcPtr crtc,
122	DisplayModePtr mode,
123	DisplayModePtr adjusted_mode);
124
125	/**
126	* Prepare CRTC for an upcoming mode set.
127	*/
128	void
129	(*prepare)(xf86CrtcPtr crtc);
130
131	/**
132	* Callback for setting up a video mode after fixups have been made.
133	*/
134	void
135	(*mode_set)(xf86CrtcPtr crtc,
136	DisplayModePtr mode,
137	DisplayModePtr adjusted_mode,
138	int x, int y);
139
140	/**
141	* Commit mode changes to a CRTC
142	*/
143	void
144	(*commit)(xf86CrtcPtr crtc);
145
146	/* Set the color ramps for the CRTC to the given values. */
147	void
148	(gamma_set)(xf86CrtcPtr crtc, CARD16 red, CARD16 green, CARD16 blue,
149	int size);
150
151	/**
152	* Allocate the shadow area, delay the pixmap creation until needed
153	*/
154	void *
155	(*shadow_allocate) (xf86CrtcPtr crtc, int width, int height);
156
157	/**
158	* Create shadow pixmap for rotation support
159	*/
160	PixmapPtr
161	(shadow_create) (xf86CrtcPtr crtc, void data, int width, int height);
162
163	/**
164	* Destroy shadow pixmap
165	*/
166	void
167	(shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void data);
168
169	/**
170	* Set cursor colors
171	*/
172	void
173	(*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg);
174
175	/**
176	* Set cursor position
177	*/
178	void
179	(*set_cursor_position) (xf86CrtcPtr crtc, int x, int y);
180
181	/**
182	* Show cursor
183	*/
184	void
185	(*show_cursor) (xf86CrtcPtr crtc);
186
187	/**
188	* Hide cursor
189	*/
190	void
191	(*hide_cursor) (xf86CrtcPtr crtc);
192
193	/**
194	* Load monochrome image
195	*/
196	void
197	(load_cursor_image) (xf86CrtcPtr crtc, CARD8 image);
198
199	/**
200	* Load ARGB image
201	*/
202	void
203	(load_cursor_argb) (xf86CrtcPtr crtc, CARD32 image);
204
205	/**
206	* Clean up driver-specific bits of the crtc
207	*/
208	void
209	(*destroy) (xf86CrtcPtr crtc);
210
211	/**
212	* Less fine-grained mode setting entry point for kernel modesetting
213	*/
214	Bool
215	(*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode,
216	Rotation rotation, int x, int y);
217
218	/**
219	* Callback for panning. Doesn't change the mode.
220	* Added in ABI version 2
221	*/
222	void
223	(*set_origin)(xf86CrtcPtr crtc, int x, int y);
224
225	} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;
226
227	#define XF86_CRTC_VERSION 4
228
229	struct _xf86Crtc {
230	/**
231	* ABI versioning
232	*/
233	int version;
234
235	/**
236	* Associated ScrnInfo
237	*/
238	ScrnInfoPtr scrn;
239
240	/**
241	* Desired state of this CRTC
242	*
243	* Set when this CRTC should be driving one or more outputs
244	*/
245	Bool enabled;
246
247	/**
248	* Active mode
249	*
250	* This reflects the mode as set in the CRTC currently
251	* It will be cleared when the VT is not active or
252	* during server startup
253	*/
254	DisplayModeRec mode;
255	Rotation rotation;
256	PixmapPtr rotatedPixmap;
257	void *rotatedData;
258
259	/**
260	* Position on screen
261	*
262	* Locates this CRTC within the frame buffer
263	*/
264	int x, y;
265
266	/**
267	* Desired mode
268	*
269	* This is set to the requested mode, independent of
270	* whether the VT is active. In particular, it receives
271	* the startup configured mode and saves the active mode
272	* on VT switch.
273	*/
274	DisplayModeRec desiredMode;
275	Rotation desiredRotation;
276	int desiredX, desiredY;
277
278	/** crtc-specific functions */
279	const xf86CrtcFuncsRec *funcs;
280
281	/**
282	* Driver private
283	*
284	* Holds driver-private information
285	*/
286	void *driver_private;
287
288	#ifdef RANDR_12_INTERFACE
289	/**
290	* RandR crtc
291	*
292	* When RandR 1.2 is available, this
293	* points at the associated crtc object
294	*/
295	RRCrtcPtr randr_crtc;
296	#else
297	void *randr_crtc;
298	#endif
299
300	/**
301	* Current cursor is ARGB
302	*/
303	Bool cursor_argb;
304	/**
305	* Track whether cursor is within CRTC range
306	*/
307	Bool cursor_in_range;
308	/**
309	* Track state of cursor associated with this CRTC
310	*/
311	Bool cursor_shown;
312
313	/**
314	* Current transformation matrix
315	*/
316	PictTransform crtc_to_framebuffer;
317	/* framebuffer_to_crtc was removed in ABI 2 */
318	struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */
319	struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */
320	PictFilterPtr filter; /* ABI 2 */
321	xFixed params; / ABI 2 */
322	int nparams; /* ABI 2 */
323	int filter_width; /* ABI 2 */
324	int filter_height; /* ABI 2 */
325	Bool transform_in_use;
326	RRTransformRec transform; /* ABI 2 */
327	Bool transformPresent; /* ABI 2 */
328	RRTransformRec desiredTransform; /* ABI 2 */
329	Bool desiredTransformPresent; /* ABI 2 */
330	/**
331	* Bounding box in screen space
332	*/
333	BoxRec bounds;
334	/**
335	* Panning:
336	* TotalArea: total panning area, larger than CRTC's size
337	* TrackingArea: Area of the pointer for which the CRTC is panned
338	* border: Borders of the displayed CRTC area which induces panning if the pointer reaches them
339	* Added in ABI version 2
340	*/
341	BoxRec panningTotalArea;
342	BoxRec panningTrackingArea;
343	INT16 panningBorder[4];
344
345	/**
346	* Current gamma, especially useful after initial config.
347	* Added in ABI version 3
348	*/
349	CARD16 *gamma_red;
350	CARD16 *gamma_green;
351	CARD16 *gamma_blue;
352	int gamma_size;
353
354	/**
355	* Actual state of this CRTC
356	*
357	* Set to TRUE after modesetting, set to FALSE if no outputs are connected
358	* Added in ABI version 3
359	*/
360	Bool active;
361	/**
362	* Clear the shadow
363	*/
364	Bool shadowClear;
365
366	/**
367	* Indicates that the driver is handling the transform, so the shadow
368	* surface should be disabled. The driver writes this field before calling
369	* xf86CrtcRotate to indicate that it is handling the transform (including
370	* rotation and reflection).
371	*
372	* Setting this flag also causes the server to stop adjusting the cursor
373	* image and position.
374	*
375	* Added in ABI version 4
376	*/
377	Bool driverIsPerformingTransform;
378	};
379
380	typedef struct _xf86OutputFuncs {
381	/**
382	* Called to allow the output a chance to create properties after the
383	* RandR objects have been created.
384	*/
385	void
386	(*create_resources)(xf86OutputPtr output);
387
388	/**
389	* Turns the output on/off, or sets intermediate power levels if available.
390	*
391	* Unsupported intermediate modes drop to the lower power setting. If the
392	* mode is DPMSModeOff, the output must be disabled, as the DPLL may be
393	* disabled afterwards.
394	*/
395	void
396	(*dpms)(xf86OutputPtr output,
397	int mode);
398
399	/**
400	* Saves the output's state for restoration on VT switch.
401	*/
402	void
403	(*save)(xf86OutputPtr output);
404
405	/**
406	* Restore's the output's state at VT switch.
407	*/
408	void
409	(*restore)(xf86OutputPtr output);
410
411	/**
412	* Callback for testing a video mode for a given output.
413	*
414	* This function should only check for cases where a mode can't be supported
415	* on the output specifically, and not represent generic CRTC limitations.
416	*
417	* \return MODE_OK if the mode is valid, or another MODE_* otherwise.
418	*/
419	int
420	(*mode_valid)(xf86OutputPtr output,
421	DisplayModePtr pMode);
422
423	/**
424	* Callback to adjust the mode to be set in the CRTC.
425	*
426	* This allows an output to adjust the clock or even the entire set of
427	* timings, which is used for panels with fixed timings or for
428	* buses with clock limitations.
429	*/
430	Bool
431	(*mode_fixup)(xf86OutputPtr output,
432	DisplayModePtr mode,
433	DisplayModePtr adjusted_mode);
434
435	/**
436	* Callback for preparing mode changes on an output
437	*/
438	void
439	(*prepare)(xf86OutputPtr output);
440
441	/**
442	* Callback for committing mode changes on an output
443	*/
444	void
445	(*commit)(xf86OutputPtr output);
446
447	/**
448	* Callback for setting up a video mode after fixups have been made.
449	*
450	* This is only called while the output is disabled. The dpms callback
451	* must be all that's necessary for the output, to turn the output on
452	* after this function is called.
453	*/
454	void
455	(*mode_set)(xf86OutputPtr output,
456	DisplayModePtr mode,
457	DisplayModePtr adjusted_mode);
458
459	/**
460	* Probe for a connected output, and return detect_status.
461	*/
462	xf86OutputStatus
463	(*detect)(xf86OutputPtr output);
464
465	/**
466	* Query the device for the modes it provides.
467	*
468	* This function may also update MonInfo, mm_width, and mm_height.
469	*
470	* \return singly-linked list of modes or NULL if no modes found.
471	*/
472	DisplayModePtr
473	(*get_modes)(xf86OutputPtr output);
474
475	#ifdef RANDR_12_INTERFACE
476	/**
477	* Callback when an output's property has changed.
478	*/
479	Bool
480	(*set_property)(xf86OutputPtr output,
481	Atom property,
482	RRPropertyValuePtr value);
483	#endif
484	#ifdef RANDR_13_INTERFACE
485	/**
486	* Callback to get an updated property value
487	*/
488	Bool
489	(*get_property)(xf86OutputPtr output,
490	Atom property);
491	#endif
492	#ifdef RANDR_GET_CRTC_INTERFACE
493	/**
494	* Callback to get current CRTC for a given output
495	*/
496	xf86CrtcPtr
497	(*get_crtc)(xf86OutputPtr output);
498	#endif
499	/**
500	* Clean up driver-specific bits of the output
501	*/
502	void
503	(*destroy) (xf86OutputPtr output);
504	} xf86OutputFuncsRec, *xf86OutputFuncsPtr;
505
506
507	#define XF86_OUTPUT_VERSION 2
508
509	struct _xf86Output {
510	/**
511	* ABI versioning
512	*/
513	int version;
514
515	/**
516	* Associated ScrnInfo
517	*/
518	ScrnInfoPtr scrn;
519
520	/**
521	* Currently connected crtc (if any)
522	*
523	* If this output is not in use, this field will be NULL.
524	*/
525	xf86CrtcPtr crtc;
526
527	/**
528	* Possible CRTCs for this output as a mask of crtc indices
529	*/
530	CARD32 possible_crtcs;
531
532	/**
533	* Possible outputs to share the same CRTC as a mask of output indices
534	*/
535	CARD32 possible_clones;
536
537	/**
538	* Whether this output can support interlaced modes
539	*/
540	Bool interlaceAllowed;
541
542	/**
543	* Whether this output can support double scan modes
544	*/
545	Bool doubleScanAllowed;
546
547	/**
548	* List of available modes on this output.
549	*
550	* This should be the list from get_modes(), plus perhaps additional
551	* compatible modes added later.
552	*/
553	DisplayModePtr probed_modes;
554
555	/**
556	* Options parsed from the related monitor section
557	*/
558	OptionInfoPtr options;
559
560	/**
561	* Configured monitor section
562	*/
563	XF86ConfMonitorPtr conf_monitor;
564
565	/**
566	* Desired initial position
567	*/
568	int initial_x, initial_y;
569
570	/**
571	* Desired initial rotation
572	*/
573	Rotation initial_rotation;
574
575	/**
576	* Current connection status
577	*
578	* This indicates whether a monitor is known to be connected
579	* to this output or not, or whether there is no way to tell
580	*/
581	xf86OutputStatus status;
582
583	/** EDID monitor information */
584	xf86MonPtr MonInfo;
585
586	/** subpixel order */
587	int subpixel_order;
588
589	/** Physical size of the currently attached output device. */
590	int mm_width, mm_height;
591
592	/** Output name */
593	char *name;
594
595	/** output-specific functions */
596	const xf86OutputFuncsRec *funcs;
597
598	/** driver private information */
599	void *driver_private;
600
601	/** Whether to use the old per-screen Monitor config section */
602	Bool use_screen_monitor;
603
604	#ifdef RANDR_12_INTERFACE
605	/**
606	* RandR 1.2 output structure.
607	*
608	* When RandR 1.2 is available, this points at the associated
609	* RandR output structure and is created when this output is created
610	*/
611	RROutputPtr randr_output;
612	#else
613	void *randr_output;
614	#endif
615	/**
616	* Desired initial panning
617	* Added in ABI version 2
618	*/
619	BoxRec initialTotalArea;
620	BoxRec initialTrackingArea;
621	INT16 initialBorder[4];
622	};
623
624	typedef struct _xf86CrtcConfigFuncs {
625	/**
626	* Requests that the driver resize the screen.
627	*
628	* The driver is responsible for updating scrn->virtualX and scrn->virtualY.
629	* If the requested size cannot be set, the driver should leave those values
630	* alone and return FALSE.
631	*
632	* A naive driver that cannot reallocate the screen may simply change
633	* virtual[XY]. A more advanced driver will want to also change the
634	* devPrivate.ptr and devKind of the screen pixmap, update any offscreen
635	* pixmaps it may have moved, and change pScrn->displayWidth.
636	*/
637	Bool
638	(*resize)(ScrnInfoPtr scrn,
639	int width,
640	int height);
641	} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr;
642
643	typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen);
644
645	typedef struct _xf86CrtcConfig {
646	int num_output;
647	xf86OutputPtr *output;
648	/**
649	* compat_output is used whenever we deal
650	* with legacy code that only understands a single
651	* output. pScrn->modes will be loaded from this output,
652	* adjust frame will whack this output, etc.
653	*/
654	int compat_output;
655
656	int num_crtc;
657	xf86CrtcPtr *crtc;
658
659	int minWidth, minHeight;
660	int maxWidth, maxHeight;
661
662	/* For crtc-based rotation */
663	DamagePtr rotation_damage;
664	Bool rotation_damage_registered;
665
666	/* DGA */
667	unsigned int dga_flags;
668	unsigned long dga_address;
669	DGAModePtr dga_modes;
670	int dga_nmode;
671	int dga_width, dga_height, dga_stride;
672	DisplayModePtr dga_save_mode;
673
674	const xf86CrtcConfigFuncsRec *funcs;
675
676	CreateScreenResourcesProcPtr CreateScreenResources;
677
678	CloseScreenProcPtr CloseScreen;
679
680	/* Cursor information */
681	xf86CursorInfoPtr cursor_info;
682	CursorPtr cursor;
683	CARD8 *cursor_image;
684	Bool cursor_on;
685	CARD32 cursor_fg, cursor_bg;
686
687	/**
688	* Options parsed from the related device section
689	*/
690	OptionInfoPtr options;
691
692	Bool debug_modes;
693
694	/* wrap screen BlockHandler for rotation */
695	ScreenBlockHandlerProcPtr BlockHandler;
696
697	/* callback when crtc configuration changes */
698	xf86_crtc_notify_proc_ptr xf86_crtc_notify;
699
700	} xf86CrtcConfigRec, *xf86CrtcConfigPtr;
701
702	extern _X_EXPORT int xf86CrtcConfigPrivateIndex;
703
704	#define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr))
705
706	static _X_INLINE xf86OutputPtr
707	xf86CompatOutput(ScrnInfoPtr pScrn)
708	{
709	xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
710	return config->output[config->compat_output];
711	}
712
713	static _X_INLINE xf86CrtcPtr
714	xf86CompatCrtc(ScrnInfoPtr pScrn)
715	{
716	xf86OutputPtr compat_output = xf86CompatOutput(pScrn);
717	if (!compat_output)
718	return NULL;
719	return compat_output->crtc;
720	}
721
722	static _X_INLINE RRCrtcPtr
723	xf86CompatRRCrtc(ScrnInfoPtr pScrn)
724	{
725	xf86CrtcPtr compat_crtc = xf86CompatCrtc(pScrn);
726	if (!compat_crtc)
727	return NULL;
728	return compat_crtc->randr_crtc;
729	}
730
731
732	/*
733	* Initialize xf86CrtcConfig structure
734	*/
735
736	extern _X_EXPORT void
737	xf86CrtcConfigInit (ScrnInfoPtr scrn,
738	const xf86CrtcConfigFuncsRec *funcs);
739
740	extern _X_EXPORT void
741	xf86CrtcSetSizeRange (ScrnInfoPtr scrn,
742	int minWidth, int minHeight,
743	int maxWidth, int maxHeight);
744
745	/*
746	* Crtc functions
747	*/
748	extern _X_EXPORT xf86CrtcPtr
749	xf86CrtcCreate (ScrnInfoPtr scrn,
750	const xf86CrtcFuncsRec *funcs);
751
752	extern _X_EXPORT void
753	xf86CrtcDestroy (xf86CrtcPtr crtc);
754
755
756	/**
757	* Sets the given video mode on the given crtc
758	*/
759
760	extern _X_EXPORT Bool
761	xf86CrtcSetModeTransform (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
762	RRTransformPtr transform, int x, int y);
763
764	extern _X_EXPORT Bool
765	xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
766	int x, int y);
767
768	extern _X_EXPORT void
769	xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y);
770
771	/*
772	* Assign crtc rotation during mode set
773	*/
774	extern _X_EXPORT Bool
775	xf86CrtcRotate (xf86CrtcPtr crtc);
776
777	/*
778	* Clean up any rotation data, used when a crtc is turned off
779	* as well as when rotation is disabled.
780	*/
781	extern _X_EXPORT void
782	xf86RotateDestroy (xf86CrtcPtr crtc);
783
784	/*
785	* free shadow memory allocated for all crtcs
786	*/
787	extern _X_EXPORT void
788	xf86RotateFreeShadow(ScrnInfoPtr pScrn);
789
790	/*
791	* Clean up rotation during CloseScreen
792	*/
793	extern _X_EXPORT void
794	xf86RotateCloseScreen (ScreenPtr pScreen);
795
796	/**
797	* Return whether any output is assigned to the crtc
798	*/
799	extern _X_EXPORT Bool
800	xf86CrtcInUse (xf86CrtcPtr crtc);
801
802	/*
803	* Output functions
804	*/
805	extern _X_EXPORT xf86OutputPtr
806	xf86OutputCreate (ScrnInfoPtr scrn,
807	const xf86OutputFuncsRec *funcs,
808	const char *name);
809
810	extern _X_EXPORT void
811	xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor);
812
813	extern _X_EXPORT Bool
814	xf86OutputRename (xf86OutputPtr output, const char *name);
815
816	extern _X_EXPORT void
817	xf86OutputDestroy (xf86OutputPtr output);
818
819	extern _X_EXPORT void
820	xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY);
821
822	extern _X_EXPORT void
823	xf86SetScrnInfoModes (ScrnInfoPtr pScrn);
824
825	#ifdef RANDR_13_INTERFACE
826	# define ScreenInitRetType int
827	#else
828	# define ScreenInitRetType Bool
829	#endif
830
831	extern _X_EXPORT ScreenInitRetType
832	xf86CrtcScreenInit (ScreenPtr pScreen);
833
834	extern _X_EXPORT Bool
835	xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow);
836
837	extern _X_EXPORT void
838	xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
839
840	extern _X_EXPORT Bool
841	xf86SaveScreen(ScreenPtr pScreen, int mode);
842
843	extern _X_EXPORT void
844	xf86DisableUnusedFunctions(ScrnInfoPtr pScrn);
845
846	extern _X_EXPORT DisplayModePtr
847	xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired);
848
849	extern _X_EXPORT Bool
850	xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation);
851
852	/**
853	* Set the EDID information for the specified output
854	*/
855	extern _X_EXPORT void
856	xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon);
857
858	/**
859	* Return the list of modes supported by the EDID information
860	* stored in 'output'
861	*/
862	extern _X_EXPORT DisplayModePtr
863	xf86OutputGetEDIDModes (xf86OutputPtr output);
864
865	extern _X_EXPORT xf86MonPtr
866	xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);
867
868	/**
869	* Initialize dga for this screen
870	*/
871
872	#ifdef XFreeXDGA
873	extern _X_EXPORT Bool
874	xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);
875
876	/* this is the real function, used only internally */
877	_X_INTERNAL Bool
878	_xf86_di_dga_init_internal (ScreenPtr pScreen);
879
880	/**
881	* Re-initialize dga for this screen (as when the set of modes changes)
882	*/
883
884	extern _X_EXPORT Bool
885	xf86DiDGAReInit (ScreenPtr pScreen);
886	#endif
887
888	/* This is the real function, used only internally */
889	_X_INTERNAL Bool
890	_xf86_di_dga_reinit_internal (ScreenPtr pScreen);
891
892	/*
893	* Set the subpixel order reported for the screen using
894	* the information from the outputs
895	*/
896
897	extern _X_EXPORT void
898	xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen);
899
900	/*
901	* Get a standard string name for a connector type
902	*/
903	extern _X_EXPORT const char *
904	xf86ConnectorGetName(xf86ConnectorType connector);
905
906	/*
907	* Using the desired mode information in each crtc, set
908	* modes (used in EnterVT functions, or at server startup)
909	*/
910
911	extern _X_EXPORT Bool
912	xf86SetDesiredModes (ScrnInfoPtr pScrn);
913
914	/**
915	* Initialize the CRTC-based cursor code. CRTC function vectors must
916	* contain relevant cursor setting functions.
917	*
918	* Driver should call this from ScreenInit function
919	*/
920	extern _X_EXPORT Bool
921	xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags);
922
923	/**
924	* Called when anything on the screen is reconfigured.
925	*
926	* Reloads cursor images as needed, then adjusts cursor positions.
927	*
928	* Driver should call this from crtc commit function.
929	*/
930	extern _X_EXPORT void
931	xf86_reload_cursors (ScreenPtr screen);
932
933	/**
934	* Called from EnterVT to turn the cursors back on
935	*/
936	extern _X_EXPORT void
937	xf86_show_cursors (ScrnInfoPtr scrn);
938
939	/**
940	* Called by the driver to turn cursors off
941	*/
942	extern _X_EXPORT void
943	xf86_hide_cursors (ScrnInfoPtr scrn);
944
945	/**
946	* Clean up CRTC-based cursor code. Driver must call this at CloseScreen time.
947	*/
948	extern _X_EXPORT void
949	xf86_cursors_fini (ScreenPtr screen);
950
951	/**
952	* Transform the cursor's coordinates based on the crtc transform. Normally
953	* this is done by the server, but if crtc->driverIsPerformingTransform is TRUE,
954	* then the server does not transform the cursor position automatically.
955	*/
956	extern _X_EXPORT void
957	xf86CrtcTransformCursorPos (xf86CrtcPtr crtc, int x, int y);
958
959	#ifdef XV
960	/*
961	* For overlay video, compute the relevant CRTC and
962	* clip video to that.
963	* wraps xf86XVClipVideoHelper()
964	*/
965
966	extern _X_EXPORT Bool
967	xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,
968	xf86CrtcPtr *crtc_ret,
969	xf86CrtcPtr desired_crtc,
970	BoxPtr dst,
971	INT32 *xa,
972	INT32 *xb,
973	INT32 *ya,
974	INT32 *yb,
975	RegionPtr reg,
976	INT32 width,
977	INT32 height);
978	#endif
979
980	extern _X_EXPORT xf86_crtc_notify_proc_ptr
981	xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new);
982
983	extern _X_EXPORT void
984	xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
985
986	extern _X_EXPORT void
987	xf86_crtc_notify(ScreenPtr pScreen);
988
989	/**
990	* Gamma
991	*/
992
993	extern _X_EXPORT Bool
994	xf86_crtc_supports_gamma(ScrnInfoPtr pScrn);
995
996	#endif /* _XF86CRTC_H_ */

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source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.12.0/xf86Crtc.h@ 62425

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