/* * 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 #include "randrstr.h" #include "radeon_xf86Modes.h" typedef struct _xf86Crtc xf86CrtcRec, *xf86CrtcPtr; typedef struct _xf86Output xf86OutputRec, *xf86OutputPtr; 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); /** * 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); /** * Callback for setting up a video mode after fixups have been made. */ void (*mode_set)(xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode); /** * Clean up driver-specific bits of the crtc */ void (*destroy) (xf86CrtcPtr crtc); } xf86CrtcFuncsRec, *xf86CrtcFuncsPtr; struct _xf86Crtc { /** * Associated ScrnInfo */ ScrnInfoPtr scrn; /** * Active state of this CRTC * * Set when this CRTC is driving one or more outputs */ Bool enabled; /** * Position on screen * * Locates this CRTC within the frame buffer */ int x, y; /** Track whether cursor is within CRTC range */ Bool cursorInRange; /** Track state of cursor associated with this CRTC */ Bool cursorShown; /** * 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 curMode; /** * 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; /** 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 }; typedef struct _xf86OutputFuncs { /** * 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 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); /** * Clean up driver-specific bits of the output */ void (*destroy) (xf86OutputPtr output); } xf86OutputFuncsRec, *xf86OutputFuncsPtr; struct _xf86Output { /** * 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; /** * 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; /** * 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; #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 }; 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; } xf86CrtcConfigRec, *xf86CrtcConfigPtr; extern int xf86CrtcConfigPrivateIndex; #define XF86_CRTC_CONFIG_PTR(p) ((xf86CrtcConfigPtr) ((p)->privates[xf86CrtcConfigPrivateIndex].ptr)) /* * Initialize xf86CrtcConfig structure */ void xf86CrtcConfigInit (ScrnInfoPtr scrn); void xf86CrtcSetSizeRange (ScrnInfoPtr scrn, int minWidth, int minHeight, int maxWidth, int maxHeight); /* * Crtc functions */ xf86CrtcPtr xf86CrtcCreate (ScrnInfoPtr scrn, const xf86CrtcFuncsRec *funcs); void xf86CrtcDestroy (xf86CrtcPtr crtc); /** * Allocate a crtc for the specified output * * Find a currently unused CRTC which is suitable for * the specified output */ xf86CrtcPtr xf86AllocCrtc (xf86OutputPtr output); /** * Free a crtc * * Mark the crtc as unused by any outputs */ void xf86FreeCrtc (xf86CrtcPtr crtc); /* * Output functions */ xf86OutputPtr xf86OutputCreate (ScrnInfoPtr scrn, const xf86OutputFuncsRec *funcs, const char *name); void xf86OutputRename (xf86OutputPtr output, const char *name); void xf86OutputDestroy (xf86OutputPtr output); void xf86ProbeOutputModes (ScrnInfoPtr pScrn); void xf86SetScrnInfoModes (ScrnInfoPtr pScrn); Bool xf86InitialConfiguration (ScrnInfoPtr pScrn); void xf86DPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags); #endif /* _XF86CRTC_H_ */