Synchronised line endinge with release branch

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 5dfcec280..68a968cc2 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_ */