/** @file * * VirtualBox X11 Additions graphics driver */ /* * Copyright (C) 2006-2007 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * -------------------------------------------------------------------- * * This code is based on: * * X11 VESA driver * * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com) * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * CONECTIVA LINUX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Except as contained in this notice, the name of Conectiva Linux shall * not be used in advertising or otherwise to promote the sale, use or other * dealings in this Software without prior written authorization from * Conectiva Linux. * * Authors: Paulo César Pereira de Andrade * * $XFree86: xc/programs/Xserver/hw/xfree86/drivers/vesa/vesa.h,v 1.9 2001/05/04 19:05:49 dawes Exp $ */ #ifndef _VBOXVIDEO_H_ #define _VBOXVIDEO_H_ #include #include #include #ifdef DEBUG #define TRACE_ENTRY() \ do { \ xf86Msg(X_INFO, __PRETTY_FUNCTION__); \ xf86Msg(X_INFO, ": entering\n"); \ } while(0) #define TRACE_EXIT() \ do { \ xf86Msg(X_INFO, __PRETTY_FUNCTION__); \ xf86Msg(X_INFO, ": leaving\n"); \ } while(0) #define TRACE_LOG(...) \ do { \ xf86Msg(X_INFO, __PRETTY_FUNCTION__); \ xf86Msg(X_INFO, __VA_ARGS__); \ } while(0) # define TRACE_LINE() do \ { \ ErrorF ("%s: line %d\n", __FUNCTION__, __LINE__); \ } while(0) # define XF86ASSERT(expr, out) \ if (!(expr)) \ { \ ErrorF ("\nAssertion failed!\n\n"); \ ErrorF ("%s\n", #expr); \ ErrorF ("at %s (%s:%d)\n", __PRETTY_FUNCTION__, __FILE__, __LINE__); \ ErrorF out; \ FatalError("Aborting"); \ } #else /* !DEBUG */ #define TRACE_ENTRY() do { } while (0) #define TRACE_EXIT() do { } while (0) #define TRACE_LOG(...) do { } while (0) #define XF86ASSERT(expr, out) do { } while (0) #endif /* !DEBUG */ #define BOOL_STR(a) ((a) ? "TRUE" : "FALSE") #include #include #include "xf86str.h" #include "xf86Cursor.h" #define VBOX_VERSION 4000 /* Why? */ #define VBOX_NAME "VBoxVideo" #define VBOX_DRIVER_NAME "vboxvideo" #ifdef VBOX_DRI /* DRI support */ #define _XF86DRI_SERVER_ /* Hack to work around a libdrm header which is broken on Solaris */ #define u_int64_t uint64_t /* Get rid of a warning due to a broken header file */ enum drm_bo_type { DRM_BO_TYPE }; #include "dri.h" #undef u_int64_t #include "sarea.h" #include "GL/glxint.h" /* For some reason this is not in the header files. */ extern void GlxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs, void **configprivs); #endif #define VBOX_VIDEO_MAJOR 1 #define VBOX_VIDEO_MINOR 0 #define VBOX_DRM_DRIVER_NAME "vboxvideo" /* For now, as this driver is basically a stub. */ #define VBOX_DRI_DRIVER_NAME "vboxvideo" /* For starters. */ #define VBOX_MAX_DRAWABLES 256 /* At random. */ #define VBOXPTR(p) ((VBOXPtr)((p)->driverPrivate)) /*XXX*/ typedef struct VBOXRec { EntityInfoPtr pEnt; #ifdef PCIACCESS struct pci_device *pciInfo; struct pci_device *vmmDevInfo; #else pciVideoPtr pciInfo; PCITAG pciTag; #endif void *base; /** The amount of VRAM available for use as a framebuffer */ unsigned long cbFBMax; /** The size of the framebuffer and the VBVA buffers at the end of it. */ unsigned long cbView; /** The current line size in bytes */ uint32_t cbLine; /** Whether the pre-X-server mode was a VBE mode */ bool fSavedVBEMode; /** Paramters of the saved pre-X-server VBE mode, invalid if there is none */ uint16_t cSavedWidth, cSavedHeight, cSavedPitch, cSavedBPP, fSavedFlags; CloseScreenProcPtr CloseScreen; /** Default X server procedure for enabling and disabling framebuffer access */ xf86EnableDisableFBAccessProc *EnableDisableFBAccess; OptionInfoPtr Options; /** @todo we never actually free this */ xf86CursorInfoPtr pCurs; Bool useDevice; Bool forceSWCursor; /** Do we know that the guest can handle absolute co-ordinates? */ Bool guestCanAbsolute; /** Does this host support sending graphics commands using HGSMI? */ Bool fHaveHGSMI; /** Number of screens attached */ uint32_t cScreens; /** Position information for each virtual screen for the purposes of * sending dirty rectangle information to the right one. */ RTRECT2 aScreenLocation[VBOX_VIDEO_MAX_SCREENS]; /** The last requested framebuffer size. */ RTRECTSIZE FBSize; /** Has this screen been disabled by the guest? */ Bool afDisabled[VBOX_VIDEO_MAX_SCREENS]; #ifdef VBOXVIDEO_13 /** The virtual crtcs */ struct _xf86Crtc *paCrtcs[VBOX_VIDEO_MAX_SCREENS]; struct _xf86Output *paOutputs[VBOX_VIDEO_MAX_SCREENS]; #endif /** Offsets of VBVA buffers in video RAM */ uint32_t aoffVBVABuffer[VBOX_VIDEO_MAX_SCREENS]; /** Context information about the VBVA buffers for each screen */ struct VBVABUFFERCONTEXT aVbvaCtx[VBOX_VIDEO_MAX_SCREENS]; /** The current preferred resolution for the screen */ RTRECTSIZE aPreferredSize[VBOX_VIDEO_MAX_SCREENS]; /** HGSMI guest heap context */ HGSMIGUESTCOMMANDCONTEXT guestCtx; /** Unrestricted horizontal resolution flag. */ Bool fAnyX; #ifdef VBOX_DRI Bool useDRI; int cVisualConfigs; __GLXvisualConfig *pVisualConfigs; DRIInfoRec *pDRIInfo; int drmFD; #endif } VBOXRec, *VBOXPtr; extern Bool vbox_init(int scrnIndex, VBOXPtr pVBox); extern Bool vbox_cursor_init (ScreenPtr pScreen); extern Bool vbox_open (ScrnInfoPtr pScrn, ScreenPtr pScreen, VBOXPtr pVBox); extern void vbox_close (ScrnInfoPtr pScrn, VBOXPtr pVBox); extern Bool vbox_device_available(VBOXPtr pVBox); extern Bool vboxEnableVbva(ScrnInfoPtr pScrn); extern void vboxDisableVbva(ScrnInfoPtr pScrn); extern Bool vboxEnableGraphicsCap(VBOXPtr pVBox); extern Bool vboxDisableGraphicsCap(VBOXPtr pVBox); extern Bool vboxGuestIsSeamless(ScrnInfoPtr pScrn); extern Bool vboxGetDisplayChangeRequest(ScrnInfoPtr pScrn, uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits, uint32_t *piDisplay); extern Bool vboxHostLikesVideoMode(ScrnInfoPtr pScrn, uint32_t cx, uint32_t cy, uint32_t cBits); extern Bool vboxSaveVideoMode(ScrnInfoPtr pScrn, uint32_t cx, uint32_t cy, uint32_t cBits); extern Bool vboxRetrieveVideoMode(ScrnInfoPtr pScrn, uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits); extern unsigned vboxNextStandardMode(ScrnInfoPtr pScrn, unsigned cIndex, uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits); extern void vboxGetPreferredMode(ScrnInfoPtr pScrn, uint32_t iScreen, uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits); extern void vboxWriteHostModes(ScrnInfoPtr pScrn, DisplayModePtr pCurrent); extern void vboxAddModes(ScrnInfoPtr pScrn, uint32_t cxInit, uint32_t cyInit); /* DRI stuff */ extern Bool VBOXDRIScreenInit(ScrnInfoPtr pScrn, ScreenPtr pScreen, VBOXPtr pVBox); extern Bool VBOXDRIFinishScreenInit(ScreenPtr pScreen); extern void VBOXDRIUpdateStride(ScrnInfoPtr pScrn, VBOXPtr pVBox); extern void VBOXDRICloseScreen(ScreenPtr pScreen, VBOXPtr pVBox); /* EDID generation */ #ifdef VBOXVIDEO_13 extern Bool VBOXEDIDSet(struct _xf86Output *output, DisplayModePtr pmode); #endif /* Utilities */ static inline VBOXPtr VBOXGetRec(ScrnInfoPtr pScrn) { return ((VBOXPtr)pScrn->driverPrivate); } /** Calculate the BPP from the screen depth */ static inline uint16_t vboxBPP(ScrnInfoPtr pScrn) { return pScrn->depth == 24 ? 32 : 16; } /** Calculate the scan line length for a display width */ static inline int32_t vboxLineLength(ScrnInfoPtr pScrn, int32_t cDisplayWidth) { uint64_t cbLine = ((uint64_t)cDisplayWidth * vboxBPP(pScrn) / 8 + 3) & ~3; return cbLine < INT32_MAX ? cbLine : INT32_MAX; } /** Calculate the display pitch from the scan line length */ static inline int32_t vboxDisplayPitch(ScrnInfoPtr pScrn, int32_t cbLine) { /* take care to reference __udivdi3! */ return ASMDivU64ByU32RetU32((uint64_t)cbLine * 8, vboxBPP(pScrn)); } extern void vboxClearVRAM(ScrnInfoPtr pScrn, int32_t cNewX, int32_t cNewY); extern Bool VBOXSetMode(ScrnInfoPtr pScrn, unsigned cDisplay, unsigned cWidth, unsigned cHeight, int x, int y); extern Bool VBOXAdjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height); #endif /* _VBOXVIDEO_H_ */