Attachment 129367 Details for Bug 99697 – fixed fbdev.c source file

fixed fbdev.c source file

fbdev.c (text/x-csrc), 32.58 KB, created by Jeff Hodd on 2017-02-06 17:39:01 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Jeff Hodd

Created: 2017-02-06 17:39:01 UTC

Size: 32.58 KB

patch

obsolete

>/*
> * Authors:  Alan Hourihane, <alanh@fairlite.demon.co.uk>
> *	     Michel DÃ¤nzer, <michel@tungstengraphics.com>
> */
>
>#ifdef HAVE_CONFIG_H
>#include "config.h"
>#endif
>
>#include <string.h>
>
>/* all driver need this */
>#include "xf86.h"
>#include "xf86_OSproc.h"
>
>#include "mipointer.h"
>#include "micmap.h"
>#include "colormapst.h"
>#include "xf86cmap.h"
>#include "shadow.h"
>#include "dgaproc.h"
>
>/* for visuals */
>#include "fb.h"
>
>#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
>#include "xf86Resources.h"
>#include "xf86RAC.h"
>#endif
>
>#include "fbdevhw.h"
>
>#include "xf86xv.h"
>
>#include "compat-api.h"
>
>#ifdef XSERVER_LIBPCIACCESS
>#include <pciaccess.h>
>#endif
>
>/* for xf86{Depth,FbBpp}. i am a terrible person, and i am sorry. */
>#include "xf86Priv.h"
>
>static Bool debug = 0;
>
>#define TRACE_ENTER(str) \
>    do { if (debug) ErrorF("fbdev: " str " %d\n",pScrn->scrnIndex); } while (0)
>#define TRACE_EXIT(str) \
>    do { if (debug) ErrorF("fbdev: " str " done\n"); } while (0)
>#define TRACE(str) \
>    do { if (debug) ErrorF("fbdev trace: " str "\n"); } while (0)
>
>/* -------------------------------------------------------------------- */
>/* prototypes                                                           */
>
>static const OptionInfoRec * FBDevAvailableOptions(int chipid, int busid);
>static void	FBDevIdentify(int flags);
>static Bool	FBDevProbe(DriverPtr drv, int flags);
>#ifdef XSERVER_LIBPCIACCESS
>static Bool	FBDevPciProbe(DriverPtr drv, int entity_num,
>     struct pci_device *dev, intptr_t match_data);
>#endif
>static Bool	FBDevPreInit(ScrnInfoPtr pScrn, int flags);
>static Bool	FBDevScreenInit(SCREEN_INIT_ARGS_DECL);
>static Bool	FBDevCloseScreen(CLOSE_SCREEN_ARGS_DECL);
>static void *	FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
>				  CARD32 *size, void *closure);
>static void	FBDevPointerMoved(SCRN_ARG_TYPE arg, int x, int y);
>static Bool	FBDevDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen);
>static Bool	FBDevDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op,
>				pointer ptr);
>
>
>enum { FBDEV_ROTATE_NONE=0, FBDEV_ROTATE_CW=270, FBDEV_ROTATE_UD=180, FBDEV_ROTATE_CCW=90 };
>
>
>/* -------------------------------------------------------------------- */
>
>/*
> * This is intentionally screen-independent.  It indicates the binding
> * choice made in the first PreInit.
> */
>static int pix24bpp = 0;
>
>#define FBDEV_VERSION		4000
>#define FBDEV_NAME		"FBDEV"
>#define FBDEV_DRIVER_NAME	"fbdev"
>
>#ifdef XSERVER_LIBPCIACCESS
>static const struct pci_id_match fbdev_device_match[] = {
>    {
>	PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
>	0x00030000, 0x00ffffff, 0
>    },
>
>    { 0, 0, 0 },
>};
>#endif
>
>_X_EXPORT DriverRec FBDEV = {
>	FBDEV_VERSION,
>	FBDEV_DRIVER_NAME,
>#if 0
>	"driver for linux framebuffer devices",
>#endif
>	FBDevIdentify,
>	FBDevProbe,
>	FBDevAvailableOptions,
>	NULL,
>	0,
>	FBDevDriverFunc,
>
>#ifdef XSERVER_LIBPCIACCESS
>    fbdev_device_match,
>    FBDevPciProbe
>#endif
>};
>
>/* Supported "chipsets" */
>static SymTabRec FBDevChipsets[] = {
>    { 0, "fbdev" },
>    {-1, NULL }
>};
>
>/* Supported options */
>typedef enum {
>	OPTION_SHADOW_FB,
>	OPTION_ROTATE,
>	OPTION_FBDEV,
>	OPTION_DEBUG
>} FBDevOpts;
>
>static const OptionInfoRec FBDevOptions[] = {
>	{ OPTION_SHADOW_FB,	"ShadowFB",	OPTV_BOOLEAN,	{0},	FALSE },
>	{ OPTION_ROTATE,	"Rotate",	OPTV_STRING,	{0},	FALSE },
>	{ OPTION_FBDEV,		"fbdev",	OPTV_STRING,	{0},	FALSE },
>	{ OPTION_DEBUG,		"debug",	OPTV_BOOLEAN,	{0},	FALSE },
>	{ -1,			NULL,		OPTV_NONE,	{0},	FALSE }
>};
>
>/* -------------------------------------------------------------------- */
>
>#ifdef XFree86LOADER
>
>MODULESETUPPROTO(FBDevSetup);
>
>static XF86ModuleVersionInfo FBDevVersRec =
>{
>	"fbdev",
>	MODULEVENDORSTRING,
>	MODINFOSTRING1,
>	MODINFOSTRING2,
>	XORG_VERSION_CURRENT,
>	PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL,
>	ABI_CLASS_VIDEODRV,
>	ABI_VIDEODRV_VERSION,
>	MOD_CLASS_VIDEODRV,
>	{0,0,0,0}
>};
>
>_X_EXPORT XF86ModuleData fbdevModuleData = { &FBDevVersRec, FBDevSetup, NULL };
>
>pointer
>FBDevSetup(pointer module, pointer opts, int *errmaj, int *errmin)
>{
>	static Bool setupDone = FALSE;
>
>	if (!setupDone) {
>		setupDone = TRUE;
>		xf86AddDriver(&FBDEV, module, HaveDriverFuncs);
>		return (pointer)1;
>	} else {
>		if (errmaj) *errmaj = LDR_ONCEONLY;
>		return NULL;
>	}
>}
>
>#endif /* XFree86LOADER */
>
>/* -------------------------------------------------------------------- */
>/* our private data, and two functions to allocate/free this            */
>
>typedef struct {
>	unsigned char*			fbstart;
>	unsigned char*			fbmem;
>	int				fboff;
>	int				lineLength;
>	int				rotate;
>	Bool				shadowFB;
>	void				*shadow;
>	CloseScreenProcPtr		CloseScreen;
>	CreateScreenResourcesProcPtr	CreateScreenResources;
>	void				(*PointerMoved)(SCRN_ARG_TYPE arg, int x, int y);
>	EntityInfoPtr			pEnt;
>	/* DGA info */
>	DGAModePtr			pDGAMode;
>	int				nDGAMode;
>	OptionInfoPtr			Options;
>} FBDevRec, *FBDevPtr;
>
>#define FBDEVPTR(p) ((FBDevPtr)((p)->driverPrivate))
>
>static Bool
>FBDevGetRec(ScrnInfoPtr pScrn)
>{
>	if (pScrn->driverPrivate != NULL)
>		return TRUE;
>	
>	pScrn->driverPrivate = xnfcalloc(sizeof(FBDevRec), 1);
>	return TRUE;
>}
>
>static void
>FBDevFreeRec(ScrnInfoPtr pScrn)
>{
>	if (pScrn->driverPrivate == NULL)
>		return;
>	free(pScrn->driverPrivate);
>	pScrn->driverPrivate = NULL;
>}
>
>/* -------------------------------------------------------------------- */
>
>static const OptionInfoRec *
>FBDevAvailableOptions(int chipid, int busid)
>{
>	return FBDevOptions;
>}
>
>static void
>FBDevIdentify(int flags)
>{
>	xf86PrintChipsets(FBDEV_NAME, "driver for framebuffer", FBDevChipsets);
>}
>
>static Bool
>fbdevSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode)
>{
>    return fbdevHWSwitchMode(pScrn, mode);
>}
>
>static void
>fbdevAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
>{
>    fbdevHWAdjustFrame(pScrn, x, y);
>}
>
>static Bool
>fbdevEnterVT(ScrnInfoPtr pScrn)
>{
>    return fbdevHWEnterVT(pScrn);
>}
>
>static void
>fbdevLeaveVT(ScrnInfoPtr pScrn)
>{
>    fbdevHWLeaveVT(pScrn);
>}
>
>static ModeStatus
>fbdevValidMode(ScrnInfoPtr pScrn, DisplayModePtr mode, Bool verbose, int flags)
>{
>    return fbdevHWValidMode(pScrn, mode, verbose, flags);
>}
>
>#ifdef XSERVER_LIBPCIACCESS
>static Bool FBDevPciProbe(DriverPtr drv, int entity_num,
>			  struct pci_device *dev, intptr_t match_data)
>{
>    ScrnInfoPtr pScrn = NULL;
>
>    if (!xf86LoadDrvSubModule(drv, "fbdevhw"))
>	return FALSE;
>	    
>    pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, NULL, NULL,
>				NULL, NULL, NULL, NULL);
>    if (pScrn) {
>	char *device;
>	GDevPtr devSection = xf86GetDevFromEntity(pScrn->entityList[0],
>						  pScrn->entityInstanceList[0]);
>
>	device = xf86FindOptionValue(devSection->options, "fbdev");
>	if (fbdevHWProbe(dev, device, NULL)) {
>	    pScrn->driverVersion = FBDEV_VERSION;
>	    pScrn->driverName    = FBDEV_DRIVER_NAME;
>	    pScrn->name          = FBDEV_NAME;
>	    pScrn->Probe         = FBDevProbe;
>	    pScrn->PreInit       = FBDevPreInit;
>	    pScrn->ScreenInit    = FBDevScreenInit;
>	    pScrn->SwitchMode    = fbdevSwitchMode;
>	    pScrn->AdjustFrame   = fbdevAdjustFrame;
>	    pScrn->EnterVT       = fbdevEnterVT;
>	    pScrn->LeaveVT       = fbdevLeaveVT;
>	    pScrn->ValidMode     = fbdevValidMode;
>
>	    xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
>		       "claimed PCI slot %d@%d:%d:%d\n", 
>		       dev->bus, dev->domain, dev->dev, dev->func);
>	    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
>		       "using %s\n", device ? device : "default device");
>	}
>        else if (fbdevHWProbe(NULL, device, NULL)) {    
>            pScrn->driverVersion = FBDEV_VERSION;
>            pScrn->driverName    = FBDEV_DRIVER_NAME;
>            pScrn->name          = FBDEV_NAME;    
>            pScrn->Probe         = FBDevProbe;
>            pScrn->PreInit       = FBDevPreInit;
>            pScrn->ScreenInit    = FBDevScreenInit;
>            pScrn->SwitchMode    = fbdevSwitchMode;
>            pScrn->AdjustFrame   = fbdevAdjustFrame;
>            pScrn->EnterVT       = fbdevEnterVT;  
>            pScrn->LeaveVT       = fbdevLeaveVT;
>            pScrn->ValidMode     = fbdevValidMode;
>
>            xf86DrvMsg(pScrn->scrnIndex, X_INFO,  
>                       "using %s\n", device ? device : "default device");
>        }
>	else {
>	    pScrn = NULL;
>	}
>    }
>
>    return (pScrn != NULL);
>}
>#endif
>
>
>static Bool
>FBDevProbe(DriverPtr drv, int flags)
>{
>	int i;
>	ScrnInfoPtr pScrn;
>       	GDevPtr *devSections;
>	int numDevSections;
>#ifndef XSERVER_LIBPCIACCESS
>	int bus,device,func;
>#endif
>	char *dev;
>	Bool foundScreen = FALSE;
>
>	TRACE("probe start");
>
>	/* For now, just bail out for PROBE_DETECT. */
>	if (flags & PROBE_DETECT)
>		return FALSE;
>
>	if ((numDevSections = xf86MatchDevice(FBDEV_DRIVER_NAME, &devSections)) <= 0) 
>	    return FALSE;
>	
>	if (!xf86LoadDrvSubModule(drv, "fbdevhw"))
>	    return FALSE;
>	    
>	for (i = 0; i < numDevSections; i++) {
>	    Bool isIsa = FALSE;
>	    Bool isPci = FALSE;
>
>	    dev = xf86FindOptionValue(devSections[i]->options,"fbdev");
>	    if (devSections[i]->busID) {
>#ifndef XSERVER_LIBPCIACCESS
>	        if (xf86ParsePciBusString(devSections[i]->busID,&bus,&device,
>					  &func)) {
>		    if (!xf86CheckPciSlot(bus,device,func))
>		        continue;
>		    isPci = TRUE;
>		} else
>#endif
>#ifdef HAVE_ISA
>		if (xf86ParseIsaBusString(devSections[i]->busID))
>		    isIsa = TRUE;
>		else
>#endif
>		    0;
>		  
>	    }
>	    if (fbdevHWProbe(NULL,dev,NULL)) {
>		pScrn = NULL;
>		if (isPci) {
>#ifndef XSERVER_LIBPCIACCESS
>		    /* XXX what about when there's no busID set? */
>		    int entity;
>		    
>		    entity = xf86ClaimPciSlot(bus,device,func,drv,
>					      0,devSections[i],
>					      TRUE);
>		    pScrn = xf86ConfigPciEntity(pScrn,0,entity,
>						      NULL,RES_SHARED_VGA,
>						      NULL,NULL,NULL,NULL);
>		    /* xf86DrvMsg() can't be called without setting these */
>		    pScrn->driverName    = FBDEV_DRIVER_NAME;
>		    pScrn->name          = FBDEV_NAME;
>		    xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
>			       "claimed PCI slot %d:%d:%d\n",bus,device,func);
>
>#endif
>		} else if (isIsa) {
>#ifdef HAVE_ISA
>		    int entity;
>		    
>		    entity = xf86ClaimIsaSlot(drv, 0,
>					      devSections[i], TRUE);
>		    pScrn = xf86ConfigIsaEntity(pScrn,0,entity,
>						      NULL,RES_SHARED_VGA,
>						      NULL,NULL,NULL,NULL);
>#endif
>		} else {
>		   int entity;
>
>		    entity = xf86ClaimFbSlot(drv, 0,
>					      devSections[i], TRUE);
>		    pScrn = xf86ConfigFbEntity(pScrn,0,entity,
>					       NULL,NULL,NULL,NULL);
>		   
>		}
>		if (pScrn) {
>		    foundScreen = TRUE;
>		    
>		    pScrn->driverVersion = FBDEV_VERSION;
>		    pScrn->driverName    = FBDEV_DRIVER_NAME;
>		    pScrn->name          = FBDEV_NAME;
>		    pScrn->Probe         = FBDevProbe;
>		    pScrn->PreInit       = FBDevPreInit;
>		    pScrn->ScreenInit    = FBDevScreenInit;
>		    pScrn->SwitchMode    = fbdevSwitchMode;
>		    pScrn->AdjustFrame   = fbdevAdjustFrame;
>		    pScrn->EnterVT       = fbdevEnterVT;
>		    pScrn->LeaveVT       = fbdevLeaveVT;
>		    pScrn->ValidMode     = fbdevValidMode;
>		    
>		    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
>			       "using %s\n", dev ? dev : "default device");
>		}
>	    }
>	}
>	free(devSections);
>	TRACE("probe done");
>	return foundScreen;
>}
>
>static Bool
>FBDevPreInit(ScrnInfoPtr pScrn, int flags)
>{
>	FBDevPtr fPtr;
>	int default_depth, fbbpp;
>	const char *s;
>	int type;
>	void *pci_dev = NULL;
>
>	if (flags & PROBE_DETECT) return FALSE;
>
>	TRACE_ENTER("PreInit");
>
>	/* Check the number of entities, and fail if it isn't one. */
>	if (pScrn->numEntities != 1)
>		return FALSE;
>
>	pScrn->monitor = pScrn->confScreen->monitor;
>
>	FBDevGetRec(pScrn);
>	fPtr = FBDEVPTR(pScrn);
>
>	fPtr->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
>
>#ifndef XSERVER_LIBPCIACCESS
>	pScrn->racMemFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
>	/* XXX Is this right?  Can probably remove RAC_FB */
>	pScrn->racIoFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
>
>	if (fPtr->pEnt->location.type == BUS_PCI &&
>	    xf86RegisterResources(fPtr->pEnt->index,NULL,ResExclusive)) {
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		   "xf86RegisterResources() found resource conflicts\n");
>		return FALSE;
>	}
>#else
>	if (fPtr->pEnt->location.type == BUS_PCI)
>	    pci_dev = fPtr->pEnt->location.id.pci;
>#endif
>	/* open device */
>	if (!fbdevHWInit(pScrn, pci_dev, xf86FindOptionValue(fPtr->pEnt->device->options, "fbdev")))
>	    if (!fbdevHWInit(pScrn, NULL, xf86FindOptionValue(fPtr->pEnt->device->options, "fbdev")))
>		return FALSE;
>
>	default_depth = fbdevHWGetDepth(pScrn,&fbbpp);
>
>	if (default_depth == 8) do {
>	    /* trust the command line */
>	    if (xf86FbBpp > 0 || xf86Depth > 0)
>		break;
>
>	    /* trust the config file's Screen stanza */
>	    if (pScrn->confScreen->defaultfbbpp > 0 ||
>		pScrn->confScreen->defaultdepth > 0)
>		break;
>
>	    /* trust our Device stanza in the config file */
>	    if (xf86FindOption(fPtr->pEnt->device->options, "DefaultDepth") ||
>		xf86FindOption(fPtr->pEnt->device->options, "DefaultFbBpp"))
>		break;
>
>	    /* otherwise, lol no */
>	    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
>		       "Console is 8bpp, defaulting to 32bpp\n");
>	    default_depth = 24;
>	    fbbpp = 32;
>	} while (0);
>
>	if (!xf86SetDepthBpp(pScrn, default_depth, default_depth, fbbpp,
>			     Support24bppFb | Support32bppFb | SupportConvert32to24 | SupportConvert24to32))
>		return FALSE;
>	xf86PrintDepthBpp(pScrn);
>
>	/* Get the depth24 pixmap format */
>	if (pScrn->depth == 24 && pix24bpp == 0)
>		pix24bpp = xf86GetBppFromDepth(pScrn, 24);
>
>	/* color weight */
>	if (pScrn->depth > 8) {
>		rgb zeros = { 0, 0, 0 };
>		if (!xf86SetWeight(pScrn, zeros, zeros))
>			return FALSE;
>	}
>
>	/* visual init */
>	if (!xf86SetDefaultVisual(pScrn, -1))
>		return FALSE;
>
>	/* We don't currently support DirectColor at > 8bpp */
>	if (pScrn->depth > 8 && pScrn->defaultVisual != TrueColor) {
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "requested default visual"
>			   " (%s) is not supported at depth %d\n",
>			   xf86GetVisualName(pScrn->defaultVisual), pScrn->depth);
>		return FALSE;
>	}
>
>	{
>		Gamma zeros = {0.0, 0.0, 0.0};
>
>		if (!xf86SetGamma(pScrn,zeros)) {
>			return FALSE;
>		}
>	}
>
>	pScrn->progClock = TRUE;
>	pScrn->rgbBits   = 8;
>	pScrn->chipset   = "fbdev";
>	pScrn->videoRam  = fbdevHWGetVidmem(pScrn);
>
>	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "hardware: %s (video memory:"
>		   " %dkB)\n", fbdevHWGetName(pScrn), pScrn->videoRam/1024);
>
>	/* handle options */
>	xf86CollectOptions(pScrn, NULL);
>	if (!(fPtr->Options = malloc(sizeof(FBDevOptions))))
>		return FALSE;
>	memcpy(fPtr->Options, FBDevOptions, sizeof(FBDevOptions));
>	xf86ProcessOptions(pScrn->scrnIndex, fPtr->pEnt->device->options, fPtr->Options);
>
>	/* use shadow framebuffer by default */
>	fPtr->shadowFB = xf86ReturnOptValBool(fPtr->Options, OPTION_SHADOW_FB, TRUE);
>
>	debug = xf86ReturnOptValBool(fPtr->Options, OPTION_DEBUG, FALSE);
>
>	/* rotation */
>	fPtr->rotate = FBDEV_ROTATE_NONE;
>	if ((s = xf86GetOptValString(fPtr->Options, OPTION_ROTATE)))
>	{
>	  if(!xf86NameCmp(s, "CW"))
>	  {
>	    fPtr->shadowFB = TRUE;
>	    fPtr->rotate = FBDEV_ROTATE_CW;
>	    xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
>		       "rotating screen clockwise\n");
>	  }
>	  else if(!xf86NameCmp(s, "CCW"))
>	  {
>	    fPtr->shadowFB = TRUE;
>	    fPtr->rotate = FBDEV_ROTATE_CCW;
>	    xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
>		       "rotating screen counter-clockwise\n");
>	  }
>	  else if(!xf86NameCmp(s, "UD"))
>	  {
>	    fPtr->shadowFB = TRUE;
>	    fPtr->rotate = FBDEV_ROTATE_UD;
>	    xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
>		       "rotating screen upside-down\n");
>	  }
>	  else
>	  {
>	    xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
>		       "\"%s\" is not a valid value for Option \"Rotate\"\n", s);
>	    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
>		       "valid options are \"CW\", \"CCW\" and \"UD\"\n");
>	  }
>	}
>
>	/* select video modes */
>
>	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "checking modes against framebuffer device...\n");
>	fbdevHWSetVideoModes(pScrn);
>
>	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "checking modes against monitor...\n");
>	{
>		DisplayModePtr mode, first = mode = pScrn->modes;
>		
>		if (mode != NULL) do {
>			mode->status = xf86CheckModeForMonitor(mode, pScrn->monitor);
>			mode = mode->next;
>		} while (mode != NULL && mode != first);
>
>		xf86PruneDriverModes(pScrn);
>	}
>
>	if (NULL == pScrn->modes)
>		fbdevHWUseBuildinMode(pScrn);
>	pScrn->currentMode = pScrn->modes;
>
>	/* First approximation, may be refined in ScreenInit */
>	pScrn->displayWidth = pScrn->virtualX;
>
>	xf86PrintModes(pScrn);
>
>	/* Set display resolution */
>	xf86SetDpi(pScrn, 0, 0);
>
>	/* Load bpp-specific modules */
>	switch ((type = fbdevHWGetType(pScrn)))
>	{
>	case FBDEVHW_PACKED_PIXELS:
>		switch (pScrn->bitsPerPixel)
>		{
>		case 8:
>		case 16:
>		case 24:
>		case 32:
>			break;
>		default:
>			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>			"unsupported number of bits per pixel: %d",
>			pScrn->bitsPerPixel);
>			return FALSE;
>		}
>		break;
>	case FBDEVHW_INTERLEAVED_PLANES:
>               /* Not supported yet, don't know what to do with this */
>               xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>                          "interleaved planes are not yet supported by the "
>			  "fbdev driver\n");
>		return FALSE;
>	case FBDEVHW_TEXT:
>               /* This should never happen ...
>                * we should check for this much much earlier ... */
>               xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>                          "text mode is not supported by the fbdev driver\n");
>		return FALSE;
>       case FBDEVHW_VGA_PLANES:
>               /* Not supported yet */
>               xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>                          "EGA/VGA planes are not yet supported by the fbdev "
>			  "driver\n");
>               return FALSE;
>       default:
>               xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>                          "unrecognised fbdev hardware type (%d)\n", type);
>               return FALSE;
>	}
>	if (xf86LoadSubModule(pScrn, "fb") == NULL) {
>		FBDevFreeRec(pScrn);
>		return FALSE;
>	}
>
>	/* Load shadow if needed */
>	if (fPtr->shadowFB) {
>		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "using shadow"
>			   " framebuffer\n");
>		if (!xf86LoadSubModule(pScrn, "shadow")) {
>			FBDevFreeRec(pScrn);
>			return FALSE;
>		}
>	}
>
>	TRACE_EXIT("PreInit");
>	return TRUE;
>}
>
>static void
>fbdevUpdateRotatePacked(ScreenPtr pScreen, shadowBufPtr pBuf)
>{
>    shadowUpdateRotatePacked(pScreen, pBuf);
>}
>
>static void
>fbdevUpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf)
>{
>    shadowUpdatePacked(pScreen, pBuf);
>}
>
>static Bool
>FBDevCreateScreenResources(ScreenPtr pScreen)
>{
>    PixmapPtr pPixmap;
>    ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
>    FBDevPtr fPtr = FBDEVPTR(pScrn);
>    Bool ret;
>
>    pScreen->CreateScreenResources = fPtr->CreateScreenResources;
>    ret = pScreen->CreateScreenResources(pScreen);
>    pScreen->CreateScreenResources = FBDevCreateScreenResources;
>
>    if (!ret)
>	return FALSE;
>
>    pPixmap = pScreen->GetScreenPixmap(pScreen);
>
>    if (!shadowAdd(pScreen, pPixmap, fPtr->rotate ?
>		   fbdevUpdateRotatePacked : fbdevUpdatePacked,
>		   FBDevWindowLinear, fPtr->rotate, NULL)) {
>	return FALSE;
>    }
>
>    return TRUE;
>}
>
>static Bool
>FBDevShadowInit(ScreenPtr pScreen)
>{
>    ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
>    FBDevPtr fPtr = FBDEVPTR(pScrn);
>    
>    if (!shadowSetup(pScreen)) {
>	return FALSE;
>    }
>
>    fPtr->CreateScreenResources = pScreen->CreateScreenResources;
>    pScreen->CreateScreenResources = FBDevCreateScreenResources;
>
>    return TRUE;
>}
>
>static void
>fbdevLoadPalette(ScrnInfoPtr pScrn, int num, int *i, LOCO *col, VisualPtr pVis)
>{
>    fbdevHWLoadPalette(pScrn, num, i, col, pVis);
>}
>
>static void
>fbdevDPMSSet(ScrnInfoPtr pScrn, int mode, int flags)
>{
>    fbdevHWDPMSSet(pScrn, mode, flags);
>}
>
>static Bool
>fbdevSaveScreen(ScreenPtr pScreen, int mode)
>{
>    return fbdevHWSaveScreen(pScreen, mode);
>}
>
>static Bool
>FBDevScreenInit(SCREEN_INIT_ARGS_DECL)
>{
>	ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
>	FBDevPtr fPtr = FBDEVPTR(pScrn);
>	VisualPtr visual;
>	int init_picture = 0;
>	int ret, flags;
>	int type;
>
>	TRACE_ENTER("FBDevScreenInit");
>
>#if DEBUG
>	ErrorF("\tbitsPerPixel=%d, depth=%d, defaultVisual=%s\n"
>	       "\tmask: %x,%x,%x, offset: %d,%d,%d\n",
>	       pScrn->bitsPerPixel,
>	       pScrn->depth,
>	       xf86GetVisualName(pScrn->defaultVisual),
>	       pScrn->mask.red,pScrn->mask.green,pScrn->mask.blue,
>	       pScrn->offset.red,pScrn->offset.green,pScrn->offset.blue);
>#endif
>
>	if (NULL == (fPtr->fbmem = fbdevHWMapVidmem(pScrn))) {
>	        xf86DrvMsg(pScrn->scrnIndex,X_ERROR,"mapping of video memory"
>			   " failed\n");
>		return FALSE;
>	}
>	fPtr->fboff = fbdevHWLinearOffset(pScrn);
>
>	fbdevHWSave(pScrn);
>
>	if (!fbdevHWModeInit(pScrn, pScrn->currentMode)) {
>		xf86DrvMsg(pScrn->scrnIndex,X_ERROR,"mode initialization failed\n");
>		return FALSE;
>	}
>	fbdevHWSaveScreen(pScreen, SCREEN_SAVER_ON);
>	fbdevHWAdjustFrame(ADJUST_FRAME_ARGS(pScrn, 0, 0));
>
>	/* mi layer */
>	miClearVisualTypes();
>	if (pScrn->bitsPerPixel > 8) {
>		if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, TrueColor)) {
>			xf86DrvMsg(pScrn->scrnIndex,X_ERROR,"visual type setup failed"
>				   " for %d bits per pixel [1]\n",
>				   pScrn->bitsPerPixel);
>			return FALSE;
>		}
>	} else {
>		if (!miSetVisualTypes(pScrn->depth,
>				      miGetDefaultVisualMask(pScrn->depth),
>				      pScrn->rgbBits, pScrn->defaultVisual)) {
>			xf86DrvMsg(pScrn->scrnIndex,X_ERROR,"visual type setup failed"
>				   " for %d bits per pixel [2]\n",
>				   pScrn->bitsPerPixel);
>			return FALSE;
>		}
>	}
>	if (!miSetPixmapDepths()) {
>	  xf86DrvMsg(pScrn->scrnIndex,X_ERROR,"pixmap depth setup failed\n");
>	  return FALSE;
>	}
>
>	if(fPtr->rotate==FBDEV_ROTATE_CW || fPtr->rotate==FBDEV_ROTATE_CCW)
>	{
>	  int tmp = pScrn->virtualX;
>	  pScrn->virtualX = pScrn->displayWidth = pScrn->virtualY;
>	  pScrn->virtualY = tmp;
>	} else if (!fPtr->shadowFB) {
>		/* FIXME: this doesn't work for all cases, e.g. when each scanline
>			has a padding which is independent from the depth (controlfb) */
>		pScrn->displayWidth = fbdevHWGetLineLength(pScrn) /
>				      (pScrn->bitsPerPixel / 8);
>
>		if (pScrn->displayWidth != pScrn->virtualX) {
>			xf86DrvMsg(pScrn->scrnIndex, X_INFO,
>				   "Pitch updated to %d after ModeInit\n",
>				   pScrn->displayWidth);
>		}
>	}
>
>	if(fPtr->rotate && !fPtr->PointerMoved) {
>		fPtr->PointerMoved = pScrn->PointerMoved;
>		pScrn->PointerMoved = FBDevPointerMoved;
>	}
>
>	fPtr->fbstart = fPtr->fbmem + fPtr->fboff;
>
>	if (fPtr->shadowFB) {
>	    fPtr->shadow = calloc(1, pScrn->virtualX * pScrn->virtualY *
>				  pScrn->bitsPerPixel);
>
>	    if (!fPtr->shadow) {
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>			   "Failed to allocate shadow framebuffer\n");
>		return FALSE;
>	    }
>	}
>
>	switch ((type = fbdevHWGetType(pScrn)))
>	{
>	case FBDEVHW_PACKED_PIXELS:
>		switch (pScrn->bitsPerPixel) {
>		case 8:
>		case 16:
>		case 24:
>		case 32:
>			ret = fbScreenInit(pScreen, fPtr->shadowFB ? fPtr->shadow
>					   : fPtr->fbstart, pScrn->virtualX,
>					   pScrn->virtualY, pScrn->xDpi,
>					   pScrn->yDpi, pScrn->displayWidth,
>					   pScrn->bitsPerPixel);
>			init_picture = 1;
>			break;
>	 	default:
>			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>				   "internal error: invalid number of bits per"
>				   " pixel (%d) encountered in"
>				   " FBDevScreenInit()\n", pScrn->bitsPerPixel);
>			ret = FALSE;
>			break;
>		}
>		break;
>	case FBDEVHW_INTERLEAVED_PLANES:
>		/* This should never happen ...
>		* we should check for this much much earlier ... */
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: interleaved planes are not yet "
>			   "supported by the fbdev driver\n");
>		ret = FALSE;
>		break;
>	case FBDEVHW_TEXT:
>		/* This should never happen ...
>		* we should check for this much much earlier ... */
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: text mode is not supported by the "
>			   "fbdev driver\n");
>		ret = FALSE;
>		break;
>	case FBDEVHW_VGA_PLANES:
>		/* Not supported yet */
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: EGA/VGA Planes are not yet "
>			   "supported by the fbdev driver\n");
>		ret = FALSE;
>		break;
>	default:
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: unrecognised hardware type (%d) "
>			   "encountered in FBDevScreenInit()\n", type);
>		ret = FALSE;
>		break;
>	}
>	if (!ret)
>		return FALSE;
>
>	if (pScrn->bitsPerPixel > 8) {
>		/* Fixup RGB ordering */
>		visual = pScreen->visuals + pScreen->numVisuals;
>		while (--visual >= pScreen->visuals) {
>			if ((visual->class | DynamicClass) == DirectColor) {
>				visual->offsetRed   = pScrn->offset.red;
>				visual->offsetGreen = pScrn->offset.green;
>				visual->offsetBlue  = pScrn->offset.blue;
>				visual->redMask     = pScrn->mask.red;
>				visual->greenMask   = pScrn->mask.green;
>				visual->blueMask    = pScrn->mask.blue;
>			}
>		}
>	}
>
>	/* must be after RGB ordering fixed */
>	if (init_picture && !fbPictureInit(pScreen, NULL, 0))
>		xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
>			   "Render extension initialisation failed\n");
>
>	if (fPtr->shadowFB && !FBDevShadowInit(pScreen)) {
>	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		       "shadow framebuffer initialization failed\n");
>	    return FALSE;
>	}
>
>	if (!fPtr->rotate)
>	  FBDevDGAInit(pScrn, pScreen);
>	else {
>	  xf86DrvMsg(pScrn->scrnIndex, X_INFO, "display rotated; disabling DGA\n");
>	  xf86DrvMsg(pScrn->scrnIndex, X_INFO, "using driver rotation; disabling "
>			                "XRandR\n");
>	  xf86DisableRandR();
>	  if (pScrn->bitsPerPixel == 24)
>	    xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "rotation might be broken at 24 "
>                                             "bits per pixel\n");
>	}
>
>	xf86SetBlackWhitePixels(pScreen);
>	xf86SetBackingStore(pScreen);
>
>	/* software cursor */
>	miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
>
>	/* colormap */
>	switch ((type = fbdevHWGetType(pScrn)))
>	{
>	/* XXX It would be simpler to use miCreateDefColormap() in all cases. */
>	case FBDEVHW_PACKED_PIXELS:
>		if (!miCreateDefColormap(pScreen)) {
>			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>                                   "internal error: miCreateDefColormap failed "
>				   "in FBDevScreenInit()\n");
>			return FALSE;
>		}
>		break;
>	case FBDEVHW_INTERLEAVED_PLANES:
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: interleaved planes are not yet "
>			   "supported by the fbdev driver\n");
>		return FALSE;
>	case FBDEVHW_TEXT:
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: text mode is not supported by "
>			   "the fbdev driver\n");
>		return FALSE;
>	case FBDEVHW_VGA_PLANES:
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: EGA/VGA planes are not yet "
>			   "supported by the fbdev driver\n");
>		return FALSE;
>	default:
>		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
>		           "internal error: unrecognised fbdev hardware type "
>			   "(%d) encountered in FBDevScreenInit()\n", type);
>		return FALSE;
>	}
>	flags = CMAP_PALETTED_TRUECOLOR;
>	if(!xf86HandleColormaps(pScreen, 256, 8, fbdevLoadPalette, NULL, flags))
>		return FALSE;
>
>	xf86DPMSInit(pScreen, fbdevDPMSSet, 0);
>
>	pScreen->SaveScreen = fbdevSaveScreen;
>
>	/* Wrap the current CloseScreen function */
>	fPtr->CloseScreen = pScreen->CloseScreen;
>	pScreen->CloseScreen = FBDevCloseScreen;
>
>#if XV
>	{
>	    XF86VideoAdaptorPtr *ptr;
>
>	    int n = xf86XVListGenericAdaptors(pScrn,&ptr);
>	    if (n) {
>		xf86XVScreenInit(pScreen,ptr,n);
>	    }
>	}
>#endif
>
>	TRACE_EXIT("FBDevScreenInit");
>
>	return TRUE;
>}
>
>static Bool
>FBDevCloseScreen(CLOSE_SCREEN_ARGS_DECL)
>{
>	ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
>	FBDevPtr fPtr = FBDEVPTR(pScrn);
>	
>	fbdevHWRestore(pScrn);
>	fbdevHWUnmapVidmem(pScrn);
>	if (fPtr->shadow) {
>	    shadowRemove(pScreen, pScreen->GetScreenPixmap(pScreen));
>	    free(fPtr->shadow);
>	    fPtr->shadow = NULL;
>	}
>	if (fPtr->pDGAMode) {
>	  free(fPtr->pDGAMode);
>	  fPtr->pDGAMode = NULL;
>	  fPtr->nDGAMode = 0;
>	}
>	pScrn->vtSema = FALSE;
>
>	pScreen->CreateScreenResources = fPtr->CreateScreenResources;
>	pScreen->CloseScreen = fPtr->CloseScreen;
>	return (*pScreen->CloseScreen)(CLOSE_SCREEN_ARGS);
>}
>
>
>
>/***********************************************************************
> * Shadow stuff
> ***********************************************************************/
>
>static void *
>FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
>		 CARD32 *size, void *closure)
>{
>    ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
>    FBDevPtr fPtr = FBDEVPTR(pScrn);
>
>    if (!pScrn->vtSema)
>      return NULL;
>
>    if (fPtr->lineLength)
>      *size = fPtr->lineLength;
>    else
>      *size = fPtr->lineLength = fbdevHWGetLineLength(pScrn);
>
>    return ((CARD8 *)fPtr->fbstart + row * fPtr->lineLength + offset);
>}
>
>static void
>FBDevPointerMoved(SCRN_ARG_TYPE arg, int x, int y)
>{
>    SCRN_INFO_PTR(arg);
>    FBDevPtr fPtr = FBDEVPTR(pScrn);
>    int newX, newY;
>
>    switch (fPtr->rotate)
>    {
>    case FBDEV_ROTATE_CW:
>	/* 90 degrees CW rotation. */
>	newX = pScrn->pScreen->height - y - 1;
>	newY = x;
>	break;
>
>    case FBDEV_ROTATE_CCW:
>	/* 90 degrees CCW rotation. */
>	newX = y;
>	newY = pScrn->pScreen->width - x - 1;
>	break;
>
>    case FBDEV_ROTATE_UD:
>	/* 180 degrees UD rotation. */
>	newX = pScrn->pScreen->width - x - 1;
>	newY = pScrn->pScreen->height - y - 1;
>	break;
>
>    default:
>	/* No rotation. */
>	newX = x;
>	newY = y;
>	break;
>    }
>
>    /* Pass adjusted pointer coordinates to wrapped PointerMoved function. */
>    (*fPtr->PointerMoved)(arg, newX, newY);
>}
>
>
>/***********************************************************************
> * DGA stuff
> ***********************************************************************/
>static Bool FBDevDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName,
>				   unsigned char **ApertureBase,
>				   int *ApertureSize, int *ApertureOffset,
>				   int *flags);
>static Bool FBDevDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode);
>static void FBDevDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags);
>
>static Bool
>FBDevDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName,
>		       unsigned char **ApertureBase, int *ApertureSize,
>		       int *ApertureOffset, int *flags)
>{
>    *DeviceName = NULL;		/* No special device */
>    *ApertureBase = (unsigned char *)(pScrn->memPhysBase);
>    *ApertureSize = pScrn->videoRam;
>    *ApertureOffset = pScrn->fbOffset;
>    *flags = 0;
>
>    return TRUE;
>}
>
>static Bool
>FBDevDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode)
>{
>    DisplayModePtr pMode;
>    int scrnIdx = pScrn->pScreen->myNum;
>    int frameX0, frameY0;
>
>    if (pDGAMode) {
>	pMode = pDGAMode->mode;
>	frameX0 = frameY0 = 0;
>    }
>    else {
>	if (!(pMode = pScrn->currentMode))
>	    return TRUE;
>
>	frameX0 = pScrn->frameX0;
>	frameY0 = pScrn->frameY0;
>    }
>
>    if (!(*pScrn->SwitchMode)(SWITCH_MODE_ARGS(pScrn, pMode)))
>	return FALSE;
>    (*pScrn->AdjustFrame)(ADJUST_FRAME_ARGS(pScrn, frameX0, frameY0));
>
>    return TRUE;
>}
>
>static void
>FBDevDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags)
>{
>    (*pScrn->AdjustFrame)(ADJUST_FRAME_ARGS(pScrn, x, y));
>}
>
>static int
>FBDevDGAGetViewport(ScrnInfoPtr pScrn)
>{
>    return (0);
>}
>
>static DGAFunctionRec FBDevDGAFunctions =
>{
>    FBDevDGAOpenFramebuffer,
>    NULL,       /* CloseFramebuffer */
>    FBDevDGASetMode,
>    FBDevDGASetViewport,
>    FBDevDGAGetViewport,
>    NULL,       /* Sync */
>    NULL,       /* FillRect */
>    NULL,       /* BlitRect */
>    NULL,       /* BlitTransRect */
>};
>
>static void
>FBDevDGAAddModes(ScrnInfoPtr pScrn)
>{
>    FBDevPtr fPtr = FBDEVPTR(pScrn);
>    DisplayModePtr pMode = pScrn->modes;
>    DGAModePtr pDGAMode;
>
>    do {
>	pDGAMode = realloc(fPtr->pDGAMode,
>		           (fPtr->nDGAMode + 1) * sizeof(DGAModeRec));
>	if (!pDGAMode)
>	    break;
>
>	fPtr->pDGAMode = pDGAMode;
>	pDGAMode += fPtr->nDGAMode;
>	(void)memset(pDGAMode, 0, sizeof(DGAModeRec));
>
>	++fPtr->nDGAMode;
>	pDGAMode->mode = pMode;
>	pDGAMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE;
>	pDGAMode->byteOrder = pScrn->imageByteOrder;
>	pDGAMode->depth = pScrn->depth;
>	pDGAMode->bitsPerPixel = pScrn->bitsPerPixel;
>	pDGAMode->red_mask = pScrn->mask.red;
>	pDGAMode->green_mask = pScrn->mask.green;
>	pDGAMode->blue_mask = pScrn->mask.blue;
>	pDGAMode->visualClass = pScrn->bitsPerPixel > 8 ?
>	    TrueColor : PseudoColor;
>	pDGAMode->xViewportStep = 1;
>	pDGAMode->yViewportStep = 1;
>	pDGAMode->viewportWidth = pMode->HDisplay;
>	pDGAMode->viewportHeight = pMode->VDisplay;
>
>	if (fPtr->lineLength)
>	  pDGAMode->bytesPerScanline = fPtr->lineLength;
>	else
>	  pDGAMode->bytesPerScanline = fPtr->lineLength = fbdevHWGetLineLength(pScrn);
>
>	pDGAMode->imageWidth = pMode->HDisplay;
>	pDGAMode->imageHeight =  pMode->VDisplay;
>	pDGAMode->pixmapWidth = pDGAMode->imageWidth;
>	pDGAMode->pixmapHeight = pDGAMode->imageHeight;
>	pDGAMode->maxViewportX = pScrn->virtualX -
>				    pDGAMode->viewportWidth;
>	pDGAMode->maxViewportY = pScrn->virtualY -
>				    pDGAMode->viewportHeight;
>
>	pDGAMode->address = fPtr->fbstart;
>
>	pMode = pMode->next;
>    } while (pMode != pScrn->modes);
>}
>
>static Bool
>FBDevDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen)
>{
>#ifdef XFreeXDGA
>    FBDevPtr fPtr = FBDEVPTR(pScrn);
>
>    if (pScrn->depth < 8)
>	return FALSE;
>
>    if (!fPtr->nDGAMode)
>	FBDevDGAAddModes(pScrn);
>
>    return (DGAInit(pScreen, &FBDevDGAFunctions,
>	    fPtr->pDGAMode, fPtr->nDGAMode));
>#else
>    return TRUE;
>#endif
>}
>
>static Bool
>FBDevDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr)
>{
>    xorgHWFlags *flag;
>    
>    switch (op) {
>	case GET_REQUIRED_HW_INTERFACES:
>	    flag = (CARD32*)ptr;
>	    (*flag) = 0;
>	    return TRUE;
>	default:
>	    return FALSE;
>    }
>}

Actions: View

Attachments on bug 99697: 129367

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.