VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.14.0/xf86Crtc.h@ 103415

最後變更 在這個檔案從103415是 45134,由 vboxsync 提交於 12 年 前

Additions/X11: build vboxvideo_drv.so for X.Org Server 1.14.

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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
51typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr;
52typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr;
53
54/* define a standard for connector types */
55typedef 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
70typedef enum _xf86OutputStatus {
71 XF86OutputStatusConnected,
72 XF86OutputStatusDisconnected,
73 XF86OutputStatusUnknown
74} xf86OutputStatus;
75
76typedef 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, 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, DisplayModePtr adjusted_mode);
122
123 /**
124 * Prepare CRTC for an upcoming mode set.
125 */
126 void
127 (*prepare) (xf86CrtcPtr crtc);
128
129 /**
130 * Callback for setting up a video mode after fixups have been made.
131 */
132 void
133 (*mode_set) (xf86CrtcPtr crtc,
134 DisplayModePtr mode,
135 DisplayModePtr adjusted_mode, int x, int y);
136
137 /**
138 * Commit mode changes to a CRTC
139 */
140 void
141 (*commit) (xf86CrtcPtr crtc);
142
143 /* Set the color ramps for the CRTC to the given values. */
144 void
145 (*gamma_set) (xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue,
146 int size);
147
148 /**
149 * Allocate the shadow area, delay the pixmap creation until needed
150 */
151 void *(*shadow_allocate) (xf86CrtcPtr crtc, int width, int height);
152
153 /**
154 * Create shadow pixmap for rotation support
155 */
156 PixmapPtr
157 (*shadow_create) (xf86CrtcPtr crtc, void *data, int width, int height);
158
159 /**
160 * Destroy shadow pixmap
161 */
162 void
163 (*shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void *data);
164
165 /**
166 * Set cursor colors
167 */
168 void
169 (*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg);
170
171 /**
172 * Set cursor position
173 */
174 void
175 (*set_cursor_position) (xf86CrtcPtr crtc, int x, int y);
176
177 /**
178 * Show cursor
179 */
180 void
181 (*show_cursor) (xf86CrtcPtr crtc);
182
183 /**
184 * Hide cursor
185 */
186 void
187 (*hide_cursor) (xf86CrtcPtr crtc);
188
189 /**
190 * Load monochrome image
191 */
192 void
193 (*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image);
194
195 /**
196 * Load ARGB image
197 */
198 void
199 (*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image);
200
201 /**
202 * Clean up driver-specific bits of the crtc
203 */
204 void
205 (*destroy) (xf86CrtcPtr crtc);
206
207 /**
208 * Less fine-grained mode setting entry point for kernel modesetting
209 */
210 Bool
211 (*set_mode_major) (xf86CrtcPtr crtc, DisplayModePtr mode,
212 Rotation rotation, int x, int y);
213
214 /**
215 * Callback for panning. Doesn't change the mode.
216 * Added in ABI version 2
217 */
218 void
219 (*set_origin) (xf86CrtcPtr crtc, int x, int y);
220
221 /**
222 */
223 Bool
224 (*set_scanout_pixmap)(xf86CrtcPtr crtc, PixmapPtr pixmap);
225
226} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;
227
228#define XF86_CRTC_VERSION 5
229
230struct _xf86Crtc {
231 /**
232 * ABI versioning
233 */
234 int version;
235
236 /**
237 * Associated ScrnInfo
238 */
239 ScrnInfoPtr scrn;
240
241 /**
242 * Desired state of this CRTC
243 *
244 * Set when this CRTC should be driving one or more outputs
245 */
246 Bool enabled;
247
248 /**
249 * Active mode
250 *
251 * This reflects the mode as set in the CRTC currently
252 * It will be cleared when the VT is not active or
253 * during server startup
254 */
255 DisplayModeRec mode;
256 Rotation rotation;
257 PixmapPtr rotatedPixmap;
258 void *rotatedData;
259
260 /**
261 * Position on screen
262 *
263 * Locates this CRTC within the frame buffer
264 */
265 int x, y;
266
267 /**
268 * Desired mode
269 *
270 * This is set to the requested mode, independent of
271 * whether the VT is active. In particular, it receives
272 * the startup configured mode and saves the active mode
273 * on VT switch.
274 */
275 DisplayModeRec desiredMode;
276 Rotation desiredRotation;
277 int desiredX, desiredY;
278
279 /** crtc-specific functions */
280 const xf86CrtcFuncsRec *funcs;
281
282 /**
283 * Driver private
284 *
285 * Holds driver-private information
286 */
287 void *driver_private;
288
289#ifdef RANDR_12_INTERFACE
290 /**
291 * RandR crtc
292 *
293 * When RandR 1.2 is available, this
294 * points at the associated crtc object
295 */
296 RRCrtcPtr randr_crtc;
297#else
298 void *randr_crtc;
299#endif
300
301 /**
302 * Current cursor is ARGB
303 */
304 Bool cursor_argb;
305 /**
306 * Track whether cursor is within CRTC range
307 */
308 Bool cursor_in_range;
309 /**
310 * Track state of cursor associated with this CRTC
311 */
312 Bool cursor_shown;
313
314 /**
315 * Current transformation matrix
316 */
317 PictTransform crtc_to_framebuffer;
318 /* framebuffer_to_crtc was removed in ABI 2 */
319 struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */
320 struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */
321 PictFilterPtr filter; /* ABI 2 */
322 xFixed *params; /* ABI 2 */
323 int nparams; /* ABI 2 */
324 int filter_width; /* ABI 2 */
325 int filter_height; /* ABI 2 */
326 Bool transform_in_use;
327 RRTransformRec transform; /* ABI 2 */
328 Bool transformPresent; /* ABI 2 */
329 RRTransformRec desiredTransform; /* ABI 2 */
330 Bool desiredTransformPresent; /* ABI 2 */
331 /**
332 * Bounding box in screen space
333 */
334 BoxRec bounds;
335 /**
336 * Panning:
337 * TotalArea: total panning area, larger than CRTC's size
338 * TrackingArea: Area of the pointer for which the CRTC is panned
339 * border: Borders of the displayed CRTC area which induces panning if the pointer reaches them
340 * Added in ABI version 2
341 */
342 BoxRec panningTotalArea;
343 BoxRec panningTrackingArea;
344 INT16 panningBorder[4];
345
346 /**
347 * Current gamma, especially useful after initial config.
348 * Added in ABI version 3
349 */
350 CARD16 *gamma_red;
351 CARD16 *gamma_green;
352 CARD16 *gamma_blue;
353 int gamma_size;
354
355 /**
356 * Actual state of this CRTC
357 *
358 * Set to TRUE after modesetting, set to FALSE if no outputs are connected
359 * Added in ABI version 3
360 */
361 Bool active;
362 /**
363 * Clear the shadow
364 */
365 Bool shadowClear;
366
367 /**
368 * Indicates that the driver is handling the transform, so the shadow
369 * surface should be disabled. The driver writes this field before calling
370 * xf86CrtcRotate to indicate that it is handling the transform (including
371 * rotation and reflection).
372 *
373 * Setting this flag also causes the server to stop adjusting the cursor
374 * image and position.
375 *
376 * Added in ABI version 4
377 */
378 Bool driverIsPerformingTransform;
379
380 /* Added in ABI version 5
381 */
382 PixmapPtr current_scanout;
383};
384
385typedef struct _xf86OutputFuncs {
386 /**
387 * Called to allow the output a chance to create properties after the
388 * RandR objects have been created.
389 */
390 void
391 (*create_resources) (xf86OutputPtr output);
392
393 /**
394 * Turns the output on/off, or sets intermediate power levels if available.
395 *
396 * Unsupported intermediate modes drop to the lower power setting. If the
397 * mode is DPMSModeOff, the output must be disabled, as the DPLL may be
398 * disabled afterwards.
399 */
400 void
401 (*dpms) (xf86OutputPtr output, int mode);
402
403 /**
404 * Saves the output's state for restoration on VT switch.
405 */
406 void
407 (*save) (xf86OutputPtr output);
408
409 /**
410 * Restore's the output's state at VT switch.
411 */
412 void
413 (*restore) (xf86OutputPtr output);
414
415 /**
416 * Callback for testing a video mode for a given output.
417 *
418 * This function should only check for cases where a mode can't be supported
419 * on the output specifically, and not represent generic CRTC limitations.
420 *
421 * \return MODE_OK if the mode is valid, or another MODE_* otherwise.
422 */
423 int
424 (*mode_valid) (xf86OutputPtr output, DisplayModePtr pMode);
425
426 /**
427 * Callback to adjust the mode to be set in the CRTC.
428 *
429 * This allows an output to adjust the clock or even the entire set of
430 * timings, which is used for panels with fixed timings or for
431 * buses with clock limitations.
432 */
433 Bool
434 (*mode_fixup) (xf86OutputPtr output,
435 DisplayModePtr mode, DisplayModePtr adjusted_mode);
436
437 /**
438 * Callback for preparing mode changes on an output
439 */
440 void
441 (*prepare) (xf86OutputPtr output);
442
443 /**
444 * Callback for committing mode changes on an output
445 */
446 void
447 (*commit) (xf86OutputPtr output);
448
449 /**
450 * Callback for setting up a video mode after fixups have been made.
451 *
452 * This is only called while the output is disabled. The dpms callback
453 * must be all that's necessary for the output, to turn the output on
454 * after this function is called.
455 */
456 void
457 (*mode_set) (xf86OutputPtr output,
458 DisplayModePtr mode, DisplayModePtr adjusted_mode);
459
460 /**
461 * Probe for a connected output, and return detect_status.
462 */
463 xf86OutputStatus(*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(*get_modes) (xf86OutputPtr output);
473
474#ifdef RANDR_12_INTERFACE
475 /**
476 * Callback when an output's property has changed.
477 */
478 Bool
479 (*set_property) (xf86OutputPtr output,
480 Atom property, RRPropertyValuePtr value);
481#endif
482#ifdef RANDR_13_INTERFACE
483 /**
484 * Callback to get an updated property value
485 */
486 Bool
487 (*get_property) (xf86OutputPtr output, Atom property);
488#endif
489#ifdef RANDR_GET_CRTC_INTERFACE
490 /**
491 * Callback to get current CRTC for a given output
492 */
493 xf86CrtcPtr(*get_crtc) (xf86OutputPtr output);
494#endif
495 /**
496 * Clean up driver-specific bits of the output
497 */
498 void
499 (*destroy) (xf86OutputPtr output);
500} xf86OutputFuncsRec, *xf86OutputFuncsPtr;
501
502#define XF86_OUTPUT_VERSION 2
503
504struct _xf86Output {
505 /**
506 * ABI versioning
507 */
508 int version;
509
510 /**
511 * Associated ScrnInfo
512 */
513 ScrnInfoPtr scrn;
514
515 /**
516 * Currently connected crtc (if any)
517 *
518 * If this output is not in use, this field will be NULL.
519 */
520 xf86CrtcPtr crtc;
521
522 /**
523 * Possible CRTCs for this output as a mask of crtc indices
524 */
525 CARD32 possible_crtcs;
526
527 /**
528 * Possible outputs to share the same CRTC as a mask of output indices
529 */
530 CARD32 possible_clones;
531
532 /**
533 * Whether this output can support interlaced modes
534 */
535 Bool interlaceAllowed;
536
537 /**
538 * Whether this output can support double scan modes
539 */
540 Bool doubleScanAllowed;
541
542 /**
543 * List of available modes on this output.
544 *
545 * This should be the list from get_modes(), plus perhaps additional
546 * compatible modes added later.
547 */
548 DisplayModePtr probed_modes;
549
550 /**
551 * Options parsed from the related monitor section
552 */
553 OptionInfoPtr options;
554
555 /**
556 * Configured monitor section
557 */
558 XF86ConfMonitorPtr conf_monitor;
559
560 /**
561 * Desired initial position
562 */
563 int initial_x, initial_y;
564
565 /**
566 * Desired initial rotation
567 */
568 Rotation initial_rotation;
569
570 /**
571 * Current connection status
572 *
573 * This indicates whether a monitor is known to be connected
574 * to this output or not, or whether there is no way to tell
575 */
576 xf86OutputStatus status;
577
578 /** EDID monitor information */
579 xf86MonPtr MonInfo;
580
581 /** subpixel order */
582 int subpixel_order;
583
584 /** Physical size of the currently attached output device. */
585 int mm_width, mm_height;
586
587 /** Output name */
588 char *name;
589
590 /** output-specific functions */
591 const xf86OutputFuncsRec *funcs;
592
593 /** driver private information */
594 void *driver_private;
595
596 /** Whether to use the old per-screen Monitor config section */
597 Bool use_screen_monitor;
598
599#ifdef RANDR_12_INTERFACE
600 /**
601 * RandR 1.2 output structure.
602 *
603 * When RandR 1.2 is available, this points at the associated
604 * RandR output structure and is created when this output is created
605 */
606 RROutputPtr randr_output;
607#else
608 void *randr_output;
609#endif
610 /**
611 * Desired initial panning
612 * Added in ABI version 2
613 */
614 BoxRec initialTotalArea;
615 BoxRec initialTrackingArea;
616 INT16 initialBorder[4];
617};
618
619typedef struct _xf86ProviderFuncs {
620 /**
621 * Called to allow the provider a chance to create properties after the
622 * RandR objects have been created.
623 */
624 void
625 (*create_resources) (ScrnInfoPtr scrn);
626
627 /**
628 * Callback when an provider's property has changed.
629 */
630 Bool
631 (*set_property) (ScrnInfoPtr scrn,
632 Atom property, RRPropertyValuePtr value);
633
634 /**
635 * Callback to get an updated property value
636 */
637 Bool
638 (*get_property) (ScrnInfoPtr provider, Atom property);
639
640} xf86ProviderFuncsRec, *xf86ProviderFuncsPtr;
641
642typedef struct _xf86CrtcConfigFuncs {
643 /**
644 * Requests that the driver resize the screen.
645 *
646 * The driver is responsible for updating scrn->virtualX and scrn->virtualY.
647 * If the requested size cannot be set, the driver should leave those values
648 * alone and return FALSE.
649 *
650 * A naive driver that cannot reallocate the screen may simply change
651 * virtual[XY]. A more advanced driver will want to also change the
652 * devPrivate.ptr and devKind of the screen pixmap, update any offscreen
653 * pixmaps it may have moved, and change pScrn->displayWidth.
654 */
655 Bool
656 (*resize) (ScrnInfoPtr scrn, int width, int height);
657} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr;
658
659typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen);
660
661typedef struct _xf86CrtcConfig {
662 int num_output;
663 xf86OutputPtr *output;
664 /**
665 * compat_output is used whenever we deal
666 * with legacy code that only understands a single
667 * output. pScrn->modes will be loaded from this output,
668 * adjust frame will whack this output, etc.
669 */
670 int compat_output;
671
672 int num_crtc;
673 xf86CrtcPtr *crtc;
674
675 int minWidth, minHeight;
676 int maxWidth, maxHeight;
677
678 /* For crtc-based rotation */
679 DamagePtr rotation_damage;
680 Bool rotation_damage_registered;
681
682 /* DGA */
683 unsigned int dga_flags;
684 unsigned long dga_address;
685 DGAModePtr dga_modes;
686 int dga_nmode;
687 int dga_width, dga_height, dga_stride;
688 DisplayModePtr dga_save_mode;
689
690 const xf86CrtcConfigFuncsRec *funcs;
691
692 CreateScreenResourcesProcPtr CreateScreenResources;
693
694 CloseScreenProcPtr CloseScreen;
695
696 /* Cursor information */
697 xf86CursorInfoPtr cursor_info;
698 CursorPtr cursor;
699 CARD8 *cursor_image;
700 Bool cursor_on;
701 CARD32 cursor_fg, cursor_bg;
702
703 /**
704 * Options parsed from the related device section
705 */
706 OptionInfoPtr options;
707
708 Bool debug_modes;
709
710 /* wrap screen BlockHandler for rotation */
711 ScreenBlockHandlerProcPtr BlockHandler;
712
713 /* callback when crtc configuration changes */
714 xf86_crtc_notify_proc_ptr xf86_crtc_notify;
715
716 char *name;
717 const xf86ProviderFuncsRec *provider_funcs;
718#ifdef RANDR_12_INTERFACE
719 RRProviderPtr randr_provider;
720#else
721 void *randr_provider;
722#endif
723} xf86CrtcConfigRec, *xf86CrtcConfigPtr;
724
725extern _X_EXPORT int xf86CrtcConfigPrivateIndex;
726
727#define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr))
728
729static _X_INLINE xf86OutputPtr
730xf86CompatOutput(ScrnInfoPtr pScrn)
731{
732 xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
733
734 return config->output[config->compat_output];
735}
736
737static _X_INLINE xf86CrtcPtr
738xf86CompatCrtc(ScrnInfoPtr pScrn)
739{
740 xf86OutputPtr compat_output = xf86CompatOutput(pScrn);
741
742 if (!compat_output)
743 return NULL;
744 return compat_output->crtc;
745}
746
747static _X_INLINE RRCrtcPtr
748xf86CompatRRCrtc(ScrnInfoPtr pScrn)
749{
750 xf86CrtcPtr compat_crtc = xf86CompatCrtc(pScrn);
751
752 if (!compat_crtc)
753 return NULL;
754 return compat_crtc->randr_crtc;
755}
756
757/*
758 * Initialize xf86CrtcConfig structure
759 */
760
761extern _X_EXPORT void
762 xf86CrtcConfigInit(ScrnInfoPtr scrn, const xf86CrtcConfigFuncsRec * funcs);
763
764extern _X_EXPORT void
765
766xf86CrtcSetSizeRange(ScrnInfoPtr scrn,
767 int minWidth, int minHeight, int maxWidth, int maxHeight);
768
769/*
770 * Crtc functions
771 */
772extern _X_EXPORT xf86CrtcPtr
773xf86CrtcCreate(ScrnInfoPtr scrn, const xf86CrtcFuncsRec * funcs);
774
775extern _X_EXPORT void
776 xf86CrtcDestroy(xf86CrtcPtr crtc);
777
778/**
779 * Sets the given video mode on the given crtc
780 */
781
782extern _X_EXPORT Bool
783
784xf86CrtcSetModeTransform(xf86CrtcPtr crtc, DisplayModePtr mode,
785 Rotation rotation, RRTransformPtr transform, int x,
786 int y);
787
788extern _X_EXPORT Bool
789
790xf86CrtcSetMode(xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
791 int x, int y);
792
793extern _X_EXPORT void
794 xf86CrtcSetOrigin(xf86CrtcPtr crtc, int x, int y);
795
796/*
797 * Assign crtc rotation during mode set
798 */
799extern _X_EXPORT Bool
800 xf86CrtcRotate(xf86CrtcPtr crtc);
801
802/*
803 * Clean up any rotation data, used when a crtc is turned off
804 * as well as when rotation is disabled.
805 */
806extern _X_EXPORT void
807 xf86RotateDestroy(xf86CrtcPtr crtc);
808
809/*
810 * free shadow memory allocated for all crtcs
811 */
812extern _X_EXPORT void
813 xf86RotateFreeShadow(ScrnInfoPtr pScrn);
814
815/*
816 * Clean up rotation during CloseScreen
817 */
818extern _X_EXPORT void
819 xf86RotateCloseScreen(ScreenPtr pScreen);
820
821/**
822 * Return whether any output is assigned to the crtc
823 */
824extern _X_EXPORT Bool
825 xf86CrtcInUse(xf86CrtcPtr crtc);
826
827/*
828 * Output functions
829 */
830extern _X_EXPORT xf86OutputPtr
831xf86OutputCreate(ScrnInfoPtr scrn,
832 const xf86OutputFuncsRec * funcs, const char *name);
833
834extern _X_EXPORT void
835 xf86OutputUseScreenMonitor(xf86OutputPtr output, Bool use_screen_monitor);
836
837extern _X_EXPORT Bool
838 xf86OutputRename(xf86OutputPtr output, const char *name);
839
840extern _X_EXPORT void
841 xf86OutputDestroy(xf86OutputPtr output);
842
843extern _X_EXPORT void
844 xf86ProbeOutputModes(ScrnInfoPtr pScrn, int maxX, int maxY);
845
846extern _X_EXPORT void
847 xf86SetScrnInfoModes(ScrnInfoPtr pScrn);
848
849#ifdef RANDR_13_INTERFACE
850#define ScreenInitRetType int
851#else
852#define ScreenInitRetType Bool
853#endif
854
855extern _X_EXPORT ScreenInitRetType xf86CrtcScreenInit(ScreenPtr pScreen);
856
857extern _X_EXPORT Bool
858 xf86InitialConfiguration(ScrnInfoPtr pScrn, Bool canGrow);
859
860extern _X_EXPORT void
861 xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
862
863extern _X_EXPORT Bool
864 xf86SaveScreen(ScreenPtr pScreen, int mode);
865
866extern _X_EXPORT void
867 xf86DisableUnusedFunctions(ScrnInfoPtr pScrn);
868
869extern _X_EXPORT DisplayModePtr
870xf86OutputFindClosestMode(xf86OutputPtr output, DisplayModePtr desired);
871
872extern _X_EXPORT Bool
873
874xf86SetSingleMode(ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation);
875
876/**
877 * Set the EDID information for the specified output
878 */
879extern _X_EXPORT void
880 xf86OutputSetEDID(xf86OutputPtr output, xf86MonPtr edid_mon);
881
882/**
883 * Return the list of modes supported by the EDID information
884 * stored in 'output'
885 */
886extern _X_EXPORT DisplayModePtr xf86OutputGetEDIDModes(xf86OutputPtr output);
887
888extern _X_EXPORT xf86MonPtr
889xf86OutputGetEDID(xf86OutputPtr output, I2CBusPtr pDDCBus);
890
891/**
892 * Initialize dga for this screen
893 */
894
895#ifdef XFreeXDGA
896extern _X_EXPORT Bool
897 xf86DiDGAInit(ScreenPtr pScreen, unsigned long dga_address);
898
899/* this is the real function, used only internally */
900_X_INTERNAL Bool
901 _xf86_di_dga_init_internal(ScreenPtr pScreen);
902
903/**
904 * Re-initialize dga for this screen (as when the set of modes changes)
905 */
906
907extern _X_EXPORT Bool
908 xf86DiDGAReInit(ScreenPtr pScreen);
909#endif
910
911/* This is the real function, used only internally */
912_X_INTERNAL Bool
913 _xf86_di_dga_reinit_internal(ScreenPtr pScreen);
914
915/*
916 * Set the subpixel order reported for the screen using
917 * the information from the outputs
918 */
919
920extern _X_EXPORT void
921 xf86CrtcSetScreenSubpixelOrder(ScreenPtr pScreen);
922
923/*
924 * Get a standard string name for a connector type
925 */
926extern _X_EXPORT const char *xf86ConnectorGetName(xf86ConnectorType connector);
927
928/*
929 * Using the desired mode information in each crtc, set
930 * modes (used in EnterVT functions, or at server startup)
931 */
932
933extern _X_EXPORT Bool
934 xf86SetDesiredModes(ScrnInfoPtr pScrn);
935
936/**
937 * Initialize the CRTC-based cursor code. CRTC function vectors must
938 * contain relevant cursor setting functions.
939 *
940 * Driver should call this from ScreenInit function
941 */
942extern _X_EXPORT Bool
943 xf86_cursors_init(ScreenPtr screen, int max_width, int max_height, int flags);
944
945/**
946 * Called when anything on the screen is reconfigured.
947 *
948 * Reloads cursor images as needed, then adjusts cursor positions.
949 *
950 * Driver should call this from crtc commit function.
951 */
952extern _X_EXPORT void
953 xf86_reload_cursors(ScreenPtr screen);
954
955/**
956 * Called from EnterVT to turn the cursors back on
957 */
958extern _X_EXPORT void
959 xf86_show_cursors(ScrnInfoPtr scrn);
960
961/**
962 * Called by the driver to turn cursors off
963 */
964extern _X_EXPORT void
965 xf86_hide_cursors(ScrnInfoPtr scrn);
966
967/**
968 * Clean up CRTC-based cursor code. Driver must call this at CloseScreen time.
969 */
970extern _X_EXPORT void
971 xf86_cursors_fini(ScreenPtr screen);
972
973/**
974 * Transform the cursor's coordinates based on the crtc transform. Normally
975 * this is done by the server, but if crtc->driverIsPerformingTransform is TRUE,
976 * then the server does not transform the cursor position automatically.
977 */
978extern _X_EXPORT void
979 xf86CrtcTransformCursorPos(xf86CrtcPtr crtc, int *x, int *y);
980
981#ifdef XV
982/*
983 * For overlay video, compute the relevant CRTC and
984 * clip video to that.
985 * wraps xf86XVClipVideoHelper()
986 */
987
988extern _X_EXPORT Bool
989
990xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,
991 xf86CrtcPtr * crtc_ret,
992 xf86CrtcPtr desired_crtc,
993 BoxPtr dst,
994 INT32 *xa,
995 INT32 *xb,
996 INT32 *ya,
997 INT32 *yb,
998 RegionPtr reg, INT32 width, INT32 height);
999#endif
1000
1001extern _X_EXPORT xf86_crtc_notify_proc_ptr
1002xf86_wrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new);
1003
1004extern _X_EXPORT void
1005 xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
1006
1007extern _X_EXPORT void
1008 xf86_crtc_notify(ScreenPtr pScreen);
1009
1010/**
1011 * Gamma
1012 */
1013
1014extern _X_EXPORT Bool
1015 xf86_crtc_supports_gamma(ScrnInfoPtr pScrn);
1016
1017extern _X_EXPORT void
1018xf86ProviderSetup(ScrnInfoPtr scrn,
1019 const xf86ProviderFuncsRec * funcs, const char *name);
1020
1021extern _X_EXPORT void
1022xf86DetachAllCrtc(ScrnInfoPtr scrn);
1023
1024#endif /* _XF86CRTC_H_ */
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