diff options
Diffstat (limited to 'xorg-server/hw/xfree86/modes/xf86Crtc.h')
| -rw-r--r-- | xorg-server/hw/xfree86/modes/xf86Crtc.h | 1944 |
1 files changed, 972 insertions, 972 deletions
diff --git a/xorg-server/hw/xfree86/modes/xf86Crtc.h b/xorg-server/hw/xfree86/modes/xf86Crtc.h index 68a968cc2..5dfcec280 100644 --- a/xorg-server/hw/xfree86/modes/xf86Crtc.h +++ b/xorg-server/hw/xfree86/modes/xf86Crtc.h @@ -1,972 +1,972 @@ -/* - * Copyright © 2006 Keith Packard - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that copyright - * notice and this permission notice appear in supporting documentation, and - * that the name of the copyright holders not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. The copyright holders make no representations - * about the suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ -#ifndef _XF86CRTC_H_ -#define _XF86CRTC_H_ - -#include <edid.h> -#include "randrstr.h" -#if XF86_MODES_RENAME -#include "xf86Rename.h" -#endif -#include "xf86Modes.h" -#include "xf86Cursor.h" -#include "xf86i2c.h" -#include "damage.h" -#include "picturestr.h" - -/* Compat definitions for older X Servers. */ -#ifndef M_T_PREFERRED -#define M_T_PREFERRED 0x08 -#endif -#ifndef M_T_DRIVER -#define M_T_DRIVER 0x40 -#endif -#ifndef M_T_USERPREF -#define M_T_USERPREF 0x80 -#endif -#ifndef HARDWARE_CURSOR_ARGB -#define HARDWARE_CURSOR_ARGB 0x00004000 -#endif - -typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr; -typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr; - -/* define a standard for connector types */ -typedef enum _xf86ConnectorType { - XF86ConnectorNone, - XF86ConnectorVGA, - XF86ConnectorDVI_I, - XF86ConnectorDVI_D, - XF86ConnectorDVI_A, - XF86ConnectorComposite, - XF86ConnectorSvideo, - XF86ConnectorComponent, - XF86ConnectorLFP, - XF86ConnectorProprietary, - XF86ConnectorHDMI, - XF86ConnectorDisplayPort, -} xf86ConnectorType; - -typedef enum _xf86OutputStatus { - XF86OutputStatusConnected, - XF86OutputStatusDisconnected, - XF86OutputStatusUnknown -} xf86OutputStatus; - -typedef struct _xf86CrtcFuncs { - /** - * Turns the crtc on/off, or sets intermediate power levels if available. - * - * Unsupported intermediate modes drop to the lower power setting. If the - * mode is DPMSModeOff, the crtc must be disabled sufficiently for it to - * be safe to call mode_set. - */ - void - (*dpms)(xf86CrtcPtr crtc, - int mode); - - /** - * Saves the crtc's state for restoration on VT switch. - */ - void - (*save)(xf86CrtcPtr crtc); - - /** - * Restore's the crtc's state at VT switch. - */ - void - (*restore)(xf86CrtcPtr crtc); - - /** - * Lock CRTC prior to mode setting, mostly for DRI. - * Returns whether unlock is needed - */ - Bool - (*lock) (xf86CrtcPtr crtc); - - /** - * Unlock CRTC after mode setting, mostly for DRI - */ - void - (*unlock) (xf86CrtcPtr crtc); - - /** - * Callback to adjust the mode to be set in the CRTC. - * - * This allows a CRTC to adjust the clock or even the entire set of - * timings, which is used for panels with fixed timings or for - * buses with clock limitations. - */ - Bool - (*mode_fixup)(xf86CrtcPtr crtc, - DisplayModePtr mode, - DisplayModePtr adjusted_mode); - - /** - * Prepare CRTC for an upcoming mode set. - */ - void - (*prepare)(xf86CrtcPtr crtc); - - /** - * Callback for setting up a video mode after fixups have been made. - */ - void - (*mode_set)(xf86CrtcPtr crtc, - DisplayModePtr mode, - DisplayModePtr adjusted_mode, - int x, int y); - - /** - * Commit mode changes to a CRTC - */ - void - (*commit)(xf86CrtcPtr crtc); - - /* Set the color ramps for the CRTC to the given values. */ - void - (*gamma_set)(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue, - int size); - - /** - * Allocate the shadow area, delay the pixmap creation until needed - */ - void * - (*shadow_allocate) (xf86CrtcPtr crtc, int width, int height); - - /** - * Create shadow pixmap for rotation support - */ - PixmapPtr - (*shadow_create) (xf86CrtcPtr crtc, void *data, int width, int height); - - /** - * Destroy shadow pixmap - */ - void - (*shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void *data); - - /** - * Set cursor colors - */ - void - (*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg); - - /** - * Set cursor position - */ - void - (*set_cursor_position) (xf86CrtcPtr crtc, int x, int y); - - /** - * Show cursor - */ - void - (*show_cursor) (xf86CrtcPtr crtc); - - /** - * Hide cursor - */ - void - (*hide_cursor) (xf86CrtcPtr crtc); - - /** - * Load monochrome image - */ - void - (*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image); - - /** - * Load ARGB image - */ - void - (*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image); - - /** - * Clean up driver-specific bits of the crtc - */ - void - (*destroy) (xf86CrtcPtr crtc); - - /** - * Less fine-grained mode setting entry point for kernel modesetting - */ - Bool - (*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode, - Rotation rotation, int x, int y); - - /** - * Callback for panning. Doesn't change the mode. - * Added in ABI version 2 - */ - void - (*set_origin)(xf86CrtcPtr crtc, int x, int y); - -} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr; - -#define XF86_CRTC_VERSION 3 - -struct _xf86Crtc { - /** - * ABI versioning - */ - int version; - - /** - * Associated ScrnInfo - */ - ScrnInfoPtr scrn; - - /** - * Desired state of this CRTC - * - * Set when this CRTC should be driving one or more outputs - */ - Bool enabled; - - /** - * Active mode - * - * This reflects the mode as set in the CRTC currently - * It will be cleared when the VT is not active or - * during server startup - */ - DisplayModeRec mode; - Rotation rotation; - PixmapPtr rotatedPixmap; - void *rotatedData; - - /** - * Position on screen - * - * Locates this CRTC within the frame buffer - */ - int x, y; - - /** - * Desired mode - * - * This is set to the requested mode, independent of - * whether the VT is active. In particular, it receives - * the startup configured mode and saves the active mode - * on VT switch. - */ - DisplayModeRec desiredMode; - Rotation desiredRotation; - int desiredX, desiredY; - - /** crtc-specific functions */ - const xf86CrtcFuncsRec *funcs; - - /** - * Driver private - * - * Holds driver-private information - */ - void *driver_private; - -#ifdef RANDR_12_INTERFACE - /** - * RandR crtc - * - * When RandR 1.2 is available, this - * points at the associated crtc object - */ - RRCrtcPtr randr_crtc; -#else - void *randr_crtc; -#endif - - /** - * Current cursor is ARGB - */ - Bool cursor_argb; - /** - * Track whether cursor is within CRTC range - */ - Bool cursor_in_range; - /** - * Track state of cursor associated with this CRTC - */ - Bool cursor_shown; - - /** - * Current transformation matrix - */ - PictTransform crtc_to_framebuffer; - /* framebuffer_to_crtc was removed in ABI 2 */ - struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */ - struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */ - PictFilterPtr filter; /* ABI 2 */ - xFixed *params; /* ABI 2 */ - int nparams; /* ABI 2 */ - int filter_width; /* ABI 2 */ - int filter_height; /* ABI 2 */ - Bool transform_in_use; - RRTransformRec transform; /* ABI 2 */ - Bool transformPresent; /* ABI 2 */ - RRTransformRec desiredTransform; /* ABI 2 */ - Bool desiredTransformPresent; /* ABI 2 */ - /** - * Bounding box in screen space - */ - BoxRec bounds; - /** - * Panning: - * TotalArea: total panning area, larger than CRTC's size - * TrackingArea: Area of the pointer for which the CRTC is panned - * border: Borders of the displayed CRTC area which induces panning if the pointer reaches them - * Added in ABI version 2 - */ - BoxRec panningTotalArea; - BoxRec panningTrackingArea; - INT16 panningBorder[4]; - - /** - * Current gamma, especially useful after initial config. - * Added in ABI version 3 - */ - CARD16 *gamma_red; - CARD16 *gamma_green; - CARD16 *gamma_blue; - int gamma_size; - - /** - * Actual state of this CRTC - * - * Set to TRUE after modesetting, set to FALSE if no outputs are connected - * Added in ABI version 3 - */ - Bool active; - /** - * Clear the shadow - */ - Bool shadowClear; -}; - -typedef struct _xf86OutputFuncs { - /** - * Called to allow the output a chance to create properties after the - * RandR objects have been created. - */ - void - (*create_resources)(xf86OutputPtr output); - - /** - * Turns the output on/off, or sets intermediate power levels if available. - * - * Unsupported intermediate modes drop to the lower power setting. If the - * mode is DPMSModeOff, the output must be disabled, as the DPLL may be - * disabled afterwards. - */ - void - (*dpms)(xf86OutputPtr output, - int mode); - - /** - * Saves the output's state for restoration on VT switch. - */ - void - (*save)(xf86OutputPtr output); - - /** - * Restore's the output's state at VT switch. - */ - void - (*restore)(xf86OutputPtr output); - - /** - * Callback for testing a video mode for a given output. - * - * This function should only check for cases where a mode can't be supported - * on the output specifically, and not represent generic CRTC limitations. - * - * \return MODE_OK if the mode is valid, or another MODE_* otherwise. - */ - int - (*mode_valid)(xf86OutputPtr output, - DisplayModePtr pMode); - - /** - * Callback to adjust the mode to be set in the CRTC. - * - * This allows an output to adjust the clock or even the entire set of - * timings, which is used for panels with fixed timings or for - * buses with clock limitations. - */ - Bool - (*mode_fixup)(xf86OutputPtr output, - DisplayModePtr mode, - DisplayModePtr adjusted_mode); - - /** - * Callback for preparing mode changes on an output - */ - void - (*prepare)(xf86OutputPtr output); - - /** - * Callback for committing mode changes on an output - */ - void - (*commit)(xf86OutputPtr output); - - /** - * Callback for setting up a video mode after fixups have been made. - * - * This is only called while the output is disabled. The dpms callback - * must be all that's necessary for the output, to turn the output on - * after this function is called. - */ - void - (*mode_set)(xf86OutputPtr output, - DisplayModePtr mode, - DisplayModePtr adjusted_mode); - - /** - * Probe for a connected output, and return detect_status. - */ - xf86OutputStatus - (*detect)(xf86OutputPtr output); - - /** - * Query the device for the modes it provides. - * - * This function may also update MonInfo, mm_width, and mm_height. - * - * \return singly-linked list of modes or NULL if no modes found. - */ - DisplayModePtr - (*get_modes)(xf86OutputPtr output); - -#ifdef RANDR_12_INTERFACE - /** - * Callback when an output's property has changed. - */ - Bool - (*set_property)(xf86OutputPtr output, - Atom property, - RRPropertyValuePtr value); -#endif -#ifdef RANDR_13_INTERFACE - /** - * Callback to get an updated property value - */ - Bool - (*get_property)(xf86OutputPtr output, - Atom property); -#endif -#ifdef RANDR_GET_CRTC_INTERFACE - /** - * Callback to get current CRTC for a given output - */ - xf86CrtcPtr - (*get_crtc)(xf86OutputPtr output); -#endif - /** - * Clean up driver-specific bits of the output - */ - void - (*destroy) (xf86OutputPtr output); -} xf86OutputFuncsRec, *xf86OutputFuncsPtr; - - -#define XF86_OUTPUT_VERSION 2 - -struct _xf86Output { - /** - * ABI versioning - */ - int version; - - /** - * Associated ScrnInfo - */ - ScrnInfoPtr scrn; - - /** - * Currently connected crtc (if any) - * - * If this output is not in use, this field will be NULL. - */ - xf86CrtcPtr crtc; - - /** - * Possible CRTCs for this output as a mask of crtc indices - */ - CARD32 possible_crtcs; - - /** - * Possible outputs to share the same CRTC as a mask of output indices - */ - CARD32 possible_clones; - - /** - * Whether this output can support interlaced modes - */ - Bool interlaceAllowed; - - /** - * Whether this output can support double scan modes - */ - Bool doubleScanAllowed; - - /** - * List of available modes on this output. - * - * This should be the list from get_modes(), plus perhaps additional - * compatible modes added later. - */ - DisplayModePtr probed_modes; - - /** - * Options parsed from the related monitor section - */ - OptionInfoPtr options; - - /** - * Configured monitor section - */ - XF86ConfMonitorPtr conf_monitor; - - /** - * Desired initial position - */ - int initial_x, initial_y; - - /** - * Desired initial rotation - */ - Rotation initial_rotation; - - /** - * Current connection status - * - * This indicates whether a monitor is known to be connected - * to this output or not, or whether there is no way to tell - */ - xf86OutputStatus status; - - /** EDID monitor information */ - xf86MonPtr MonInfo; - - /** subpixel order */ - int subpixel_order; - - /** Physical size of the currently attached output device. */ - int mm_width, mm_height; - - /** Output name */ - char *name; - - /** output-specific functions */ - const xf86OutputFuncsRec *funcs; - - /** driver private information */ - void *driver_private; - - /** Whether to use the old per-screen Monitor config section */ - Bool use_screen_monitor; - -#ifdef RANDR_12_INTERFACE - /** - * RandR 1.2 output structure. - * - * When RandR 1.2 is available, this points at the associated - * RandR output structure and is created when this output is created - */ - RROutputPtr randr_output; -#else - void *randr_output; -#endif - /** - * Desired initial panning - * Added in ABI version 2 - */ - BoxRec initialTotalArea; - BoxRec initialTrackingArea; - INT16 initialBorder[4]; -}; - -typedef struct _xf86CrtcConfigFuncs { - /** - * Requests that the driver resize the screen. - * - * The driver is responsible for updating scrn->virtualX and scrn->virtualY. - * If the requested size cannot be set, the driver should leave those values - * alone and return FALSE. - * - * A naive driver that cannot reallocate the screen may simply change - * virtual[XY]. A more advanced driver will want to also change the - * devPrivate.ptr and devKind of the screen pixmap, update any offscreen - * pixmaps it may have moved, and change pScrn->displayWidth. - */ - Bool - (*resize)(ScrnInfoPtr scrn, - int width, - int height); -} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr; - -typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen); - -typedef struct _xf86CrtcConfig { - int num_output; - xf86OutputPtr *output; - /** - * compat_output is used whenever we deal - * with legacy code that only understands a single - * output. pScrn->modes will be loaded from this output, - * adjust frame will whack this output, etc. - */ - int compat_output; - - int num_crtc; - xf86CrtcPtr *crtc; - - int minWidth, minHeight; - int maxWidth, maxHeight; - - /* For crtc-based rotation */ - DamagePtr rotation_damage; - Bool rotation_damage_registered; - - /* DGA */ - unsigned int dga_flags; - unsigned long dga_address; - DGAModePtr dga_modes; - int dga_nmode; - int dga_width, dga_height, dga_stride; - DisplayModePtr dga_save_mode; - - const xf86CrtcConfigFuncsRec *funcs; - - CreateScreenResourcesProcPtr CreateScreenResources; - - CloseScreenProcPtr CloseScreen; - - /* Cursor information */ - xf86CursorInfoPtr cursor_info; - CursorPtr cursor; - CARD8 *cursor_image; - Bool cursor_on; - CARD32 cursor_fg, cursor_bg; - - /** - * Options parsed from the related device section - */ - OptionInfoPtr options; - - Bool debug_modes; - - /* wrap screen BlockHandler for rotation */ - ScreenBlockHandlerProcPtr BlockHandler; - - /* callback when crtc configuration changes */ - xf86_crtc_notify_proc_ptr xf86_crtc_notify; - -} xf86CrtcConfigRec, *xf86CrtcConfigPtr; - -extern _X_EXPORT int xf86CrtcConfigPrivateIndex; - -#define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr)) - -static _X_INLINE xf86OutputPtr -xf86CompatOutput(ScrnInfoPtr pScrn) -{ - xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); - return config->output[config->compat_output]; -} - -static _X_INLINE xf86CrtcPtr -xf86CompatCrtc(ScrnInfoPtr pScrn) -{ - xf86OutputPtr compat_output = xf86CompatOutput(pScrn); - if (!compat_output) - return NULL; - return compat_output->crtc; -} - -static _X_INLINE RRCrtcPtr -xf86CompatRRCrtc(ScrnInfoPtr pScrn) -{ - xf86CrtcPtr compat_crtc = xf86CompatCrtc(pScrn); - if (!compat_crtc) - return NULL; - return compat_crtc->randr_crtc; -} - - -/* - * Initialize xf86CrtcConfig structure - */ - -extern _X_EXPORT void -xf86CrtcConfigInit (ScrnInfoPtr scrn, - const xf86CrtcConfigFuncsRec *funcs); - -extern _X_EXPORT void -xf86CrtcSetSizeRange (ScrnInfoPtr scrn, - int minWidth, int minHeight, - int maxWidth, int maxHeight); - -/* - * Crtc functions - */ -extern _X_EXPORT xf86CrtcPtr -xf86CrtcCreate (ScrnInfoPtr scrn, - const xf86CrtcFuncsRec *funcs); - -extern _X_EXPORT void -xf86CrtcDestroy (xf86CrtcPtr crtc); - - -/** - * Sets the given video mode on the given crtc - */ - -extern _X_EXPORT Bool -xf86CrtcSetModeTransform (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, - RRTransformPtr transform, int x, int y); - -extern _X_EXPORT Bool -xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, - int x, int y); - -extern _X_EXPORT void -xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y); - -/* - * Assign crtc rotation during mode set - */ -extern _X_EXPORT Bool -xf86CrtcRotate (xf86CrtcPtr crtc); - -/* - * Clean up any rotation data, used when a crtc is turned off - * as well as when rotation is disabled. - */ -extern _X_EXPORT void -xf86RotateDestroy (xf86CrtcPtr crtc); - -/* - * free shadow memory allocated for all crtcs - */ -extern _X_EXPORT void -xf86RotateFreeShadow(ScrnInfoPtr pScrn); - -/* - * Clean up rotation during CloseScreen - */ -extern _X_EXPORT void -xf86RotateCloseScreen (ScreenPtr pScreen); - -/** - * Return whether any output is assigned to the crtc - */ -extern _X_EXPORT Bool -xf86CrtcInUse (xf86CrtcPtr crtc); - -/* - * Output functions - */ -extern _X_EXPORT xf86OutputPtr -xf86OutputCreate (ScrnInfoPtr scrn, - const xf86OutputFuncsRec *funcs, - const char *name); - -extern _X_EXPORT void -xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor); - -extern _X_EXPORT Bool -xf86OutputRename (xf86OutputPtr output, const char *name); - -extern _X_EXPORT void -xf86OutputDestroy (xf86OutputPtr output); - -extern _X_EXPORT void -xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY); - -extern _X_EXPORT void -xf86SetScrnInfoModes (ScrnInfoPtr pScrn); - -#ifdef RANDR_13_INTERFACE -# define ScreenInitRetType int -#else -# define ScreenInitRetType Bool -#endif - -extern _X_EXPORT ScreenInitRetType -xf86CrtcScreenInit (ScreenPtr pScreen); - -extern _X_EXPORT Bool -xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow); - -extern _X_EXPORT void -xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags); - -extern _X_EXPORT Bool -xf86SaveScreen(ScreenPtr pScreen, int mode); - -extern _X_EXPORT void -xf86DisableUnusedFunctions(ScrnInfoPtr pScrn); - -extern _X_EXPORT DisplayModePtr -xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired); - -extern _X_EXPORT Bool -xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation); - -/** - * Set the EDID information for the specified output - */ -extern _X_EXPORT void -xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon); - -/** - * Return the list of modes supported by the EDID information - * stored in 'output' - */ -extern _X_EXPORT DisplayModePtr -xf86OutputGetEDIDModes (xf86OutputPtr output); - -extern _X_EXPORT xf86MonPtr -xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus); - -/** - * Initialize dga for this screen - */ - -#ifdef XFreeXDGA -extern _X_EXPORT Bool -xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address); - -/* this is the real function, used only internally */ -_X_INTERNAL Bool -_xf86_di_dga_init_internal (ScreenPtr pScreen); - -/** - * Re-initialize dga for this screen (as when the set of modes changes) - */ - -extern _X_EXPORT Bool -xf86DiDGAReInit (ScreenPtr pScreen); -#endif - -/* This is the real function, used only internally */ -_X_INTERNAL Bool -_xf86_di_dga_reinit_internal (ScreenPtr pScreen); - -/* - * Set the subpixel order reported for the screen using - * the information from the outputs - */ - -extern _X_EXPORT void -xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen); - -/* - * Get a standard string name for a connector type - */ -extern _X_EXPORT char * -xf86ConnectorGetName(xf86ConnectorType connector); - -/* - * Using the desired mode information in each crtc, set - * modes (used in EnterVT functions, or at server startup) - */ - -extern _X_EXPORT Bool -xf86SetDesiredModes (ScrnInfoPtr pScrn); - -/** - * Initialize the CRTC-based cursor code. CRTC function vectors must - * contain relevant cursor setting functions. - * - * Driver should call this from ScreenInit function - */ -extern _X_EXPORT Bool -xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags); - -/** - * Called when anything on the screen is reconfigured. - * - * Reloads cursor images as needed, then adjusts cursor positions. - * - * Driver should call this from crtc commit function. - */ -extern _X_EXPORT void -xf86_reload_cursors (ScreenPtr screen); - -/** - * Called from EnterVT to turn the cursors back on - */ -extern _X_EXPORT void -xf86_show_cursors (ScrnInfoPtr scrn); - -/** - * Called by the driver to turn cursors off - */ -extern _X_EXPORT void -xf86_hide_cursors (ScrnInfoPtr scrn); - -/** - * Clean up CRTC-based cursor code. Driver must call this at CloseScreen time. - */ -extern _X_EXPORT void -xf86_cursors_fini (ScreenPtr screen); - -/* - * For overlay video, compute the relevant CRTC and - * clip video to that. - * wraps xf86XVClipVideoHelper() - */ - -extern _X_EXPORT Bool -xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn, - xf86CrtcPtr *crtc_ret, - xf86CrtcPtr desired_crtc, - BoxPtr dst, - INT32 *xa, - INT32 *xb, - INT32 *ya, - INT32 *yb, - RegionPtr reg, - INT32 width, - INT32 height); - -extern _X_EXPORT xf86_crtc_notify_proc_ptr -xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new); - -extern _X_EXPORT void -xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old); - -extern _X_EXPORT void -xf86_crtc_notify(ScreenPtr pScreen); - -/** - * Gamma - */ - -extern _X_EXPORT Bool -xf86_crtc_supports_gamma(ScrnInfoPtr pScrn); - -#endif /* _XF86CRTC_H_ */ +/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+#ifndef _XF86CRTC_H_
+#define _XF86CRTC_H_
+
+#include <edid.h>
+#include "randrstr.h"
+#if XF86_MODES_RENAME
+#include "xf86Rename.h"
+#endif
+#include "xf86Modes.h"
+#include "xf86Cursor.h"
+#include "xf86i2c.h"
+#include "damage.h"
+#include "picturestr.h"
+
+/* Compat definitions for older X Servers. */
+#ifndef M_T_PREFERRED
+#define M_T_PREFERRED 0x08
+#endif
+#ifndef M_T_DRIVER
+#define M_T_DRIVER 0x40
+#endif
+#ifndef M_T_USERPREF
+#define M_T_USERPREF 0x80
+#endif
+#ifndef HARDWARE_CURSOR_ARGB
+#define HARDWARE_CURSOR_ARGB 0x00004000
+#endif
+
+typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr;
+typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr;
+
+/* define a standard for connector types */
+typedef enum _xf86ConnectorType {
+ XF86ConnectorNone,
+ XF86ConnectorVGA,
+ XF86ConnectorDVI_I,
+ XF86ConnectorDVI_D,
+ XF86ConnectorDVI_A,
+ XF86ConnectorComposite,
+ XF86ConnectorSvideo,
+ XF86ConnectorComponent,
+ XF86ConnectorLFP,
+ XF86ConnectorProprietary,
+ XF86ConnectorHDMI,
+ XF86ConnectorDisplayPort,
+} xf86ConnectorType;
+
+typedef enum _xf86OutputStatus {
+ XF86OutputStatusConnected,
+ XF86OutputStatusDisconnected,
+ XF86OutputStatusUnknown
+} xf86OutputStatus;
+
+typedef struct _xf86CrtcFuncs {
+ /**
+ * Turns the crtc on/off, or sets intermediate power levels if available.
+ *
+ * Unsupported intermediate modes drop to the lower power setting. If the
+ * mode is DPMSModeOff, the crtc must be disabled sufficiently for it to
+ * be safe to call mode_set.
+ */
+ void
+ (*dpms)(xf86CrtcPtr crtc,
+ int mode);
+
+ /**
+ * Saves the crtc's state for restoration on VT switch.
+ */
+ void
+ (*save)(xf86CrtcPtr crtc);
+
+ /**
+ * Restore's the crtc's state at VT switch.
+ */
+ void
+ (*restore)(xf86CrtcPtr crtc);
+
+ /**
+ * Lock CRTC prior to mode setting, mostly for DRI.
+ * Returns whether unlock is needed
+ */
+ Bool
+ (*lock) (xf86CrtcPtr crtc);
+
+ /**
+ * Unlock CRTC after mode setting, mostly for DRI
+ */
+ void
+ (*unlock) (xf86CrtcPtr crtc);
+
+ /**
+ * Callback to adjust the mode to be set in the CRTC.
+ *
+ * This allows a CRTC to adjust the clock or even the entire set of
+ * timings, which is used for panels with fixed timings or for
+ * buses with clock limitations.
+ */
+ Bool
+ (*mode_fixup)(xf86CrtcPtr crtc,
+ DisplayModePtr mode,
+ DisplayModePtr adjusted_mode);
+
+ /**
+ * Prepare CRTC for an upcoming mode set.
+ */
+ void
+ (*prepare)(xf86CrtcPtr crtc);
+
+ /**
+ * Callback for setting up a video mode after fixups have been made.
+ */
+ void
+ (*mode_set)(xf86CrtcPtr crtc,
+ DisplayModePtr mode,
+ DisplayModePtr adjusted_mode,
+ int x, int y);
+
+ /**
+ * Commit mode changes to a CRTC
+ */
+ void
+ (*commit)(xf86CrtcPtr crtc);
+
+ /* Set the color ramps for the CRTC to the given values. */
+ void
+ (*gamma_set)(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue,
+ int size);
+
+ /**
+ * Allocate the shadow area, delay the pixmap creation until needed
+ */
+ void *
+ (*shadow_allocate) (xf86CrtcPtr crtc, int width, int height);
+
+ /**
+ * Create shadow pixmap for rotation support
+ */
+ PixmapPtr
+ (*shadow_create) (xf86CrtcPtr crtc, void *data, int width, int height);
+
+ /**
+ * Destroy shadow pixmap
+ */
+ void
+ (*shadow_destroy) (xf86CrtcPtr crtc, PixmapPtr pPixmap, void *data);
+
+ /**
+ * Set cursor colors
+ */
+ void
+ (*set_cursor_colors) (xf86CrtcPtr crtc, int bg, int fg);
+
+ /**
+ * Set cursor position
+ */
+ void
+ (*set_cursor_position) (xf86CrtcPtr crtc, int x, int y);
+
+ /**
+ * Show cursor
+ */
+ void
+ (*show_cursor) (xf86CrtcPtr crtc);
+
+ /**
+ * Hide cursor
+ */
+ void
+ (*hide_cursor) (xf86CrtcPtr crtc);
+
+ /**
+ * Load monochrome image
+ */
+ void
+ (*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image);
+
+ /**
+ * Load ARGB image
+ */
+ void
+ (*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image);
+
+ /**
+ * Clean up driver-specific bits of the crtc
+ */
+ void
+ (*destroy) (xf86CrtcPtr crtc);
+
+ /**
+ * Less fine-grained mode setting entry point for kernel modesetting
+ */
+ Bool
+ (*set_mode_major)(xf86CrtcPtr crtc, DisplayModePtr mode,
+ Rotation rotation, int x, int y);
+
+ /**
+ * Callback for panning. Doesn't change the mode.
+ * Added in ABI version 2
+ */
+ void
+ (*set_origin)(xf86CrtcPtr crtc, int x, int y);
+
+} xf86CrtcFuncsRec, *xf86CrtcFuncsPtr;
+
+#define XF86_CRTC_VERSION 3
+
+struct _xf86Crtc {
+ /**
+ * ABI versioning
+ */
+ int version;
+
+ /**
+ * Associated ScrnInfo
+ */
+ ScrnInfoPtr scrn;
+
+ /**
+ * Desired state of this CRTC
+ *
+ * Set when this CRTC should be driving one or more outputs
+ */
+ Bool enabled;
+
+ /**
+ * Active mode
+ *
+ * This reflects the mode as set in the CRTC currently
+ * It will be cleared when the VT is not active or
+ * during server startup
+ */
+ DisplayModeRec mode;
+ Rotation rotation;
+ PixmapPtr rotatedPixmap;
+ void *rotatedData;
+
+ /**
+ * Position on screen
+ *
+ * Locates this CRTC within the frame buffer
+ */
+ int x, y;
+
+ /**
+ * Desired mode
+ *
+ * This is set to the requested mode, independent of
+ * whether the VT is active. In particular, it receives
+ * the startup configured mode and saves the active mode
+ * on VT switch.
+ */
+ DisplayModeRec desiredMode;
+ Rotation desiredRotation;
+ int desiredX, desiredY;
+
+ /** crtc-specific functions */
+ const xf86CrtcFuncsRec *funcs;
+
+ /**
+ * Driver private
+ *
+ * Holds driver-private information
+ */
+ void *driver_private;
+
+#ifdef RANDR_12_INTERFACE
+ /**
+ * RandR crtc
+ *
+ * When RandR 1.2 is available, this
+ * points at the associated crtc object
+ */
+ RRCrtcPtr randr_crtc;
+#else
+ void *randr_crtc;
+#endif
+
+ /**
+ * Current cursor is ARGB
+ */
+ Bool cursor_argb;
+ /**
+ * Track whether cursor is within CRTC range
+ */
+ Bool cursor_in_range;
+ /**
+ * Track state of cursor associated with this CRTC
+ */
+ Bool cursor_shown;
+
+ /**
+ * Current transformation matrix
+ */
+ PictTransform crtc_to_framebuffer;
+ /* framebuffer_to_crtc was removed in ABI 2 */
+ struct pict_f_transform f_crtc_to_framebuffer; /* ABI 2 */
+ struct pict_f_transform f_framebuffer_to_crtc; /* ABI 2 */
+ PictFilterPtr filter; /* ABI 2 */
+ xFixed *params; /* ABI 2 */
+ int nparams; /* ABI 2 */
+ int filter_width; /* ABI 2 */
+ int filter_height; /* ABI 2 */
+ Bool transform_in_use;
+ RRTransformRec transform; /* ABI 2 */
+ Bool transformPresent; /* ABI 2 */
+ RRTransformRec desiredTransform; /* ABI 2 */
+ Bool desiredTransformPresent; /* ABI 2 */
+ /**
+ * Bounding box in screen space
+ */
+ BoxRec bounds;
+ /**
+ * Panning:
+ * TotalArea: total panning area, larger than CRTC's size
+ * TrackingArea: Area of the pointer for which the CRTC is panned
+ * border: Borders of the displayed CRTC area which induces panning if the pointer reaches them
+ * Added in ABI version 2
+ */
+ BoxRec panningTotalArea;
+ BoxRec panningTrackingArea;
+ INT16 panningBorder[4];
+
+ /**
+ * Current gamma, especially useful after initial config.
+ * Added in ABI version 3
+ */
+ CARD16 *gamma_red;
+ CARD16 *gamma_green;
+ CARD16 *gamma_blue;
+ int gamma_size;
+
+ /**
+ * Actual state of this CRTC
+ *
+ * Set to TRUE after modesetting, set to FALSE if no outputs are connected
+ * Added in ABI version 3
+ */
+ Bool active;
+ /**
+ * Clear the shadow
+ */
+ Bool shadowClear;
+};
+
+typedef struct _xf86OutputFuncs {
+ /**
+ * Called to allow the output a chance to create properties after the
+ * RandR objects have been created.
+ */
+ void
+ (*create_resources)(xf86OutputPtr output);
+
+ /**
+ * Turns the output on/off, or sets intermediate power levels if available.
+ *
+ * Unsupported intermediate modes drop to the lower power setting. If the
+ * mode is DPMSModeOff, the output must be disabled, as the DPLL may be
+ * disabled afterwards.
+ */
+ void
+ (*dpms)(xf86OutputPtr output,
+ int mode);
+
+ /**
+ * Saves the output's state for restoration on VT switch.
+ */
+ void
+ (*save)(xf86OutputPtr output);
+
+ /**
+ * Restore's the output's state at VT switch.
+ */
+ void
+ (*restore)(xf86OutputPtr output);
+
+ /**
+ * Callback for testing a video mode for a given output.
+ *
+ * This function should only check for cases where a mode can't be supported
+ * on the output specifically, and not represent generic CRTC limitations.
+ *
+ * \return MODE_OK if the mode is valid, or another MODE_* otherwise.
+ */
+ int
+ (*mode_valid)(xf86OutputPtr output,
+ DisplayModePtr pMode);
+
+ /**
+ * Callback to adjust the mode to be set in the CRTC.
+ *
+ * This allows an output to adjust the clock or even the entire set of
+ * timings, which is used for panels with fixed timings or for
+ * buses with clock limitations.
+ */
+ Bool
+ (*mode_fixup)(xf86OutputPtr output,
+ DisplayModePtr mode,
+ DisplayModePtr adjusted_mode);
+
+ /**
+ * Callback for preparing mode changes on an output
+ */
+ void
+ (*prepare)(xf86OutputPtr output);
+
+ /**
+ * Callback for committing mode changes on an output
+ */
+ void
+ (*commit)(xf86OutputPtr output);
+
+ /**
+ * Callback for setting up a video mode after fixups have been made.
+ *
+ * This is only called while the output is disabled. The dpms callback
+ * must be all that's necessary for the output, to turn the output on
+ * after this function is called.
+ */
+ void
+ (*mode_set)(xf86OutputPtr output,
+ DisplayModePtr mode,
+ DisplayModePtr adjusted_mode);
+
+ /**
+ * Probe for a connected output, and return detect_status.
+ */
+ xf86OutputStatus
+ (*detect)(xf86OutputPtr output);
+
+ /**
+ * Query the device for the modes it provides.
+ *
+ * This function may also update MonInfo, mm_width, and mm_height.
+ *
+ * \return singly-linked list of modes or NULL if no modes found.
+ */
+ DisplayModePtr
+ (*get_modes)(xf86OutputPtr output);
+
+#ifdef RANDR_12_INTERFACE
+ /**
+ * Callback when an output's property has changed.
+ */
+ Bool
+ (*set_property)(xf86OutputPtr output,
+ Atom property,
+ RRPropertyValuePtr value);
+#endif
+#ifdef RANDR_13_INTERFACE
+ /**
+ * Callback to get an updated property value
+ */
+ Bool
+ (*get_property)(xf86OutputPtr output,
+ Atom property);
+#endif
+#ifdef RANDR_GET_CRTC_INTERFACE
+ /**
+ * Callback to get current CRTC for a given output
+ */
+ xf86CrtcPtr
+ (*get_crtc)(xf86OutputPtr output);
+#endif
+ /**
+ * Clean up driver-specific bits of the output
+ */
+ void
+ (*destroy) (xf86OutputPtr output);
+} xf86OutputFuncsRec, *xf86OutputFuncsPtr;
+
+
+#define XF86_OUTPUT_VERSION 2
+
+struct _xf86Output {
+ /**
+ * ABI versioning
+ */
+ int version;
+
+ /**
+ * Associated ScrnInfo
+ */
+ ScrnInfoPtr scrn;
+
+ /**
+ * Currently connected crtc (if any)
+ *
+ * If this output is not in use, this field will be NULL.
+ */
+ xf86CrtcPtr crtc;
+
+ /**
+ * Possible CRTCs for this output as a mask of crtc indices
+ */
+ CARD32 possible_crtcs;
+
+ /**
+ * Possible outputs to share the same CRTC as a mask of output indices
+ */
+ CARD32 possible_clones;
+
+ /**
+ * Whether this output can support interlaced modes
+ */
+ Bool interlaceAllowed;
+
+ /**
+ * Whether this output can support double scan modes
+ */
+ Bool doubleScanAllowed;
+
+ /**
+ * List of available modes on this output.
+ *
+ * This should be the list from get_modes(), plus perhaps additional
+ * compatible modes added later.
+ */
+ DisplayModePtr probed_modes;
+
+ /**
+ * Options parsed from the related monitor section
+ */
+ OptionInfoPtr options;
+
+ /**
+ * Configured monitor section
+ */
+ XF86ConfMonitorPtr conf_monitor;
+
+ /**
+ * Desired initial position
+ */
+ int initial_x, initial_y;
+
+ /**
+ * Desired initial rotation
+ */
+ Rotation initial_rotation;
+
+ /**
+ * Current connection status
+ *
+ * This indicates whether a monitor is known to be connected
+ * to this output or not, or whether there is no way to tell
+ */
+ xf86OutputStatus status;
+
+ /** EDID monitor information */
+ xf86MonPtr MonInfo;
+
+ /** subpixel order */
+ int subpixel_order;
+
+ /** Physical size of the currently attached output device. */
+ int mm_width, mm_height;
+
+ /** Output name */
+ char *name;
+
+ /** output-specific functions */
+ const xf86OutputFuncsRec *funcs;
+
+ /** driver private information */
+ void *driver_private;
+
+ /** Whether to use the old per-screen Monitor config section */
+ Bool use_screen_monitor;
+
+#ifdef RANDR_12_INTERFACE
+ /**
+ * RandR 1.2 output structure.
+ *
+ * When RandR 1.2 is available, this points at the associated
+ * RandR output structure and is created when this output is created
+ */
+ RROutputPtr randr_output;
+#else
+ void *randr_output;
+#endif
+ /**
+ * Desired initial panning
+ * Added in ABI version 2
+ */
+ BoxRec initialTotalArea;
+ BoxRec initialTrackingArea;
+ INT16 initialBorder[4];
+};
+
+typedef struct _xf86CrtcConfigFuncs {
+ /**
+ * Requests that the driver resize the screen.
+ *
+ * The driver is responsible for updating scrn->virtualX and scrn->virtualY.
+ * If the requested size cannot be set, the driver should leave those values
+ * alone and return FALSE.
+ *
+ * A naive driver that cannot reallocate the screen may simply change
+ * virtual[XY]. A more advanced driver will want to also change the
+ * devPrivate.ptr and devKind of the screen pixmap, update any offscreen
+ * pixmaps it may have moved, and change pScrn->displayWidth.
+ */
+ Bool
+ (*resize)(ScrnInfoPtr scrn,
+ int width,
+ int height);
+} xf86CrtcConfigFuncsRec, *xf86CrtcConfigFuncsPtr;
+
+typedef void (*xf86_crtc_notify_proc_ptr) (ScreenPtr pScreen);
+
+typedef struct _xf86CrtcConfig {
+ int num_output;
+ xf86OutputPtr *output;
+ /**
+ * compat_output is used whenever we deal
+ * with legacy code that only understands a single
+ * output. pScrn->modes will be loaded from this output,
+ * adjust frame will whack this output, etc.
+ */
+ int compat_output;
+
+ int num_crtc;
+ xf86CrtcPtr *crtc;
+
+ int minWidth, minHeight;
+ int maxWidth, maxHeight;
+
+ /* For crtc-based rotation */
+ DamagePtr rotation_damage;
+ Bool rotation_damage_registered;
+
+ /* DGA */
+ unsigned int dga_flags;
+ unsigned long dga_address;
+ DGAModePtr dga_modes;
+ int dga_nmode;
+ int dga_width, dga_height, dga_stride;
+ DisplayModePtr dga_save_mode;
+
+ const xf86CrtcConfigFuncsRec *funcs;
+
+ CreateScreenResourcesProcPtr CreateScreenResources;
+
+ CloseScreenProcPtr CloseScreen;
+
+ /* Cursor information */
+ xf86CursorInfoPtr cursor_info;
+ CursorPtr cursor;
+ CARD8 *cursor_image;
+ Bool cursor_on;
+ CARD32 cursor_fg, cursor_bg;
+
+ /**
+ * Options parsed from the related device section
+ */
+ OptionInfoPtr options;
+
+ Bool debug_modes;
+
+ /* wrap screen BlockHandler for rotation */
+ ScreenBlockHandlerProcPtr BlockHandler;
+
+ /* callback when crtc configuration changes */
+ xf86_crtc_notify_proc_ptr xf86_crtc_notify;
+
+} xf86CrtcConfigRec, *xf86CrtcConfigPtr;
+
+extern _X_EXPORT int xf86CrtcConfigPrivateIndex;
+
+#define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr))
+
+static _X_INLINE xf86OutputPtr
+xf86CompatOutput(ScrnInfoPtr pScrn)
+{
+ xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+ return config->output[config->compat_output];
+}
+
+static _X_INLINE xf86CrtcPtr
+xf86CompatCrtc(ScrnInfoPtr pScrn)
+{
+ xf86OutputPtr compat_output = xf86CompatOutput(pScrn);
+ if (!compat_output)
+ return NULL;
+ return compat_output->crtc;
+}
+
+static _X_INLINE RRCrtcPtr
+xf86CompatRRCrtc(ScrnInfoPtr pScrn)
+{
+ xf86CrtcPtr compat_crtc = xf86CompatCrtc(pScrn);
+ if (!compat_crtc)
+ return NULL;
+ return compat_crtc->randr_crtc;
+}
+
+
+/*
+ * Initialize xf86CrtcConfig structure
+ */
+
+extern _X_EXPORT void
+xf86CrtcConfigInit (ScrnInfoPtr scrn,
+ const xf86CrtcConfigFuncsRec *funcs);
+
+extern _X_EXPORT void
+xf86CrtcSetSizeRange (ScrnInfoPtr scrn,
+ int minWidth, int minHeight,
+ int maxWidth, int maxHeight);
+
+/*
+ * Crtc functions
+ */
+extern _X_EXPORT xf86CrtcPtr
+xf86CrtcCreate (ScrnInfoPtr scrn,
+ const xf86CrtcFuncsRec *funcs);
+
+extern _X_EXPORT void
+xf86CrtcDestroy (xf86CrtcPtr crtc);
+
+
+/**
+ * Sets the given video mode on the given crtc
+ */
+
+extern _X_EXPORT Bool
+xf86CrtcSetModeTransform (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
+ RRTransformPtr transform, int x, int y);
+
+extern _X_EXPORT Bool
+xf86CrtcSetMode (xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation,
+ int x, int y);
+
+extern _X_EXPORT void
+xf86CrtcSetOrigin (xf86CrtcPtr crtc, int x, int y);
+
+/*
+ * Assign crtc rotation during mode set
+ */
+extern _X_EXPORT Bool
+xf86CrtcRotate (xf86CrtcPtr crtc);
+
+/*
+ * Clean up any rotation data, used when a crtc is turned off
+ * as well as when rotation is disabled.
+ */
+extern _X_EXPORT void
+xf86RotateDestroy (xf86CrtcPtr crtc);
+
+/*
+ * free shadow memory allocated for all crtcs
+ */
+extern _X_EXPORT void
+xf86RotateFreeShadow(ScrnInfoPtr pScrn);
+
+/*
+ * Clean up rotation during CloseScreen
+ */
+extern _X_EXPORT void
+xf86RotateCloseScreen (ScreenPtr pScreen);
+
+/**
+ * Return whether any output is assigned to the crtc
+ */
+extern _X_EXPORT Bool
+xf86CrtcInUse (xf86CrtcPtr crtc);
+
+/*
+ * Output functions
+ */
+extern _X_EXPORT xf86OutputPtr
+xf86OutputCreate (ScrnInfoPtr scrn,
+ const xf86OutputFuncsRec *funcs,
+ const char *name);
+
+extern _X_EXPORT void
+xf86OutputUseScreenMonitor (xf86OutputPtr output, Bool use_screen_monitor);
+
+extern _X_EXPORT Bool
+xf86OutputRename (xf86OutputPtr output, const char *name);
+
+extern _X_EXPORT void
+xf86OutputDestroy (xf86OutputPtr output);
+
+extern _X_EXPORT void
+xf86ProbeOutputModes (ScrnInfoPtr pScrn, int maxX, int maxY);
+
+extern _X_EXPORT void
+xf86SetScrnInfoModes (ScrnInfoPtr pScrn);
+
+#ifdef RANDR_13_INTERFACE
+# define ScreenInitRetType int
+#else
+# define ScreenInitRetType Bool
+#endif
+
+extern _X_EXPORT ScreenInitRetType
+xf86CrtcScreenInit (ScreenPtr pScreen);
+
+extern _X_EXPORT Bool
+xf86InitialConfiguration (ScrnInfoPtr pScrn, Bool canGrow);
+
+extern _X_EXPORT void
+xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags);
+
+extern _X_EXPORT Bool
+xf86SaveScreen(ScreenPtr pScreen, int mode);
+
+extern _X_EXPORT void
+xf86DisableUnusedFunctions(ScrnInfoPtr pScrn);
+
+extern _X_EXPORT DisplayModePtr
+xf86OutputFindClosestMode (xf86OutputPtr output, DisplayModePtr desired);
+
+extern _X_EXPORT Bool
+xf86SetSingleMode (ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation);
+
+/**
+ * Set the EDID information for the specified output
+ */
+extern _X_EXPORT void
+xf86OutputSetEDID (xf86OutputPtr output, xf86MonPtr edid_mon);
+
+/**
+ * Return the list of modes supported by the EDID information
+ * stored in 'output'
+ */
+extern _X_EXPORT DisplayModePtr
+xf86OutputGetEDIDModes (xf86OutputPtr output);
+
+extern _X_EXPORT xf86MonPtr
+xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);
+
+/**
+ * Initialize dga for this screen
+ */
+
+#ifdef XFreeXDGA
+extern _X_EXPORT Bool
+xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);
+
+/* this is the real function, used only internally */
+_X_INTERNAL Bool
+_xf86_di_dga_init_internal (ScreenPtr pScreen);
+
+/**
+ * Re-initialize dga for this screen (as when the set of modes changes)
+ */
+
+extern _X_EXPORT Bool
+xf86DiDGAReInit (ScreenPtr pScreen);
+#endif
+
+/* This is the real function, used only internally */
+_X_INTERNAL Bool
+_xf86_di_dga_reinit_internal (ScreenPtr pScreen);
+
+/*
+ * Set the subpixel order reported for the screen using
+ * the information from the outputs
+ */
+
+extern _X_EXPORT void
+xf86CrtcSetScreenSubpixelOrder (ScreenPtr pScreen);
+
+/*
+ * Get a standard string name for a connector type
+ */
+extern _X_EXPORT char *
+xf86ConnectorGetName(xf86ConnectorType connector);
+
+/*
+ * Using the desired mode information in each crtc, set
+ * modes (used in EnterVT functions, or at server startup)
+ */
+
+extern _X_EXPORT Bool
+xf86SetDesiredModes (ScrnInfoPtr pScrn);
+
+/**
+ * Initialize the CRTC-based cursor code. CRTC function vectors must
+ * contain relevant cursor setting functions.
+ *
+ * Driver should call this from ScreenInit function
+ */
+extern _X_EXPORT Bool
+xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags);
+
+/**
+ * Called when anything on the screen is reconfigured.
+ *
+ * Reloads cursor images as needed, then adjusts cursor positions.
+ *
+ * Driver should call this from crtc commit function.
+ */
+extern _X_EXPORT void
+xf86_reload_cursors (ScreenPtr screen);
+
+/**
+ * Called from EnterVT to turn the cursors back on
+ */
+extern _X_EXPORT void
+xf86_show_cursors (ScrnInfoPtr scrn);
+
+/**
+ * Called by the driver to turn cursors off
+ */
+extern _X_EXPORT void
+xf86_hide_cursors (ScrnInfoPtr scrn);
+
+/**
+ * Clean up CRTC-based cursor code. Driver must call this at CloseScreen time.
+ */
+extern _X_EXPORT void
+xf86_cursors_fini (ScreenPtr screen);
+
+/*
+ * For overlay video, compute the relevant CRTC and
+ * clip video to that.
+ * wraps xf86XVClipVideoHelper()
+ */
+
+extern _X_EXPORT Bool
+xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn,
+ xf86CrtcPtr *crtc_ret,
+ xf86CrtcPtr desired_crtc,
+ BoxPtr dst,
+ INT32 *xa,
+ INT32 *xb,
+ INT32 *ya,
+ INT32 *yb,
+ RegionPtr reg,
+ INT32 width,
+ INT32 height);
+
+extern _X_EXPORT xf86_crtc_notify_proc_ptr
+xf86_wrap_crtc_notify (ScreenPtr pScreen, xf86_crtc_notify_proc_ptr new);
+
+extern _X_EXPORT void
+xf86_unwrap_crtc_notify(ScreenPtr pScreen, xf86_crtc_notify_proc_ptr old);
+
+extern _X_EXPORT void
+xf86_crtc_notify(ScreenPtr pScreen);
+
+/**
+ * Gamma
+ */
+
+extern _X_EXPORT Bool
+xf86_crtc_supports_gamma(ScrnInfoPtr pScrn);
+
+#endif /* _XF86CRTC_H_ */
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