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/** @file
*
* VirtualBox X11 Additions graphics driver
*/
/*
* Copyright (C) 2006-2013 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 <pcpa@conectiva.com.br>
*
* $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 <VBox/VBoxVideoGuest.h>
#include <VBox/VBoxVideo.h>
#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 <VBox/Hardware/VBoxVideoVBE.h>
#include "xf86str.h"
#include "xf86Cursor.h"
#define VBOX_VERSION 4000 /* Why? */
#define VBOX_NAME "VBoxVideo"
#define VBOX_DRIVER_NAME "vboxvideo"
#ifdef VBOX_DRI_OLD
/* 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;
#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;
#ifdef VBOX_DRI_OLD
int cVisualConfigs;
__GLXvisualConfig *pVisualConfigs;
DRIInfoRec *pDRIInfo;
int drmFD;
# endif
#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)
{
uint32_t cbLine = (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)
{
return 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_ */
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