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xsrc/xfree/xc/programs/Xserver/hw/xfree86/drivers/fbdev/fbdev.c

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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/fbdev/fbdev.c,v 1.46 2004/12/07 15:59:19 tsi Exp $ */
/*
* Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk>
* Michel Dänzer, <michdaen@iiic.ethz.ch>
*/
/* all driver need this */
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86_ansic.h"
#include "mipointer.h"
#include "mibstore.h"
#include "micmap.h"
#include "colormapst.h"
#include "xf86cmap.h"
#include "shadow.h"
#include "dgaproc.h"
/* for visuals */
#include "fb.h"
#ifdef USE_AFB
#include "afb.h"
#endif
#include "xf86Resources.h"
#include "xf86RAC.h"
#include "fbdevhw.h"
#include "xf86xv.h"
#ifndef DEBUG
#define DEBUG 0
#endif
#if DEBUG
# define TRACE_ENTER(str) ErrorF("fbdev: " str " %d\n",pScrn->scrnIndex)
# define TRACE_EXIT(str) ErrorF("fbdev: " str " done\n")
# define TRACE(str) ErrorF("fbdev trace: " str "\n")
#else
# define TRACE_ENTER(str)
# define TRACE_EXIT(str)
# define TRACE(str)
#endif
/* -------------------------------------------------------------------- */
/* prototypes */
static const OptionInfoRec * FBDevAvailableOptions(int chipid, int busid);
static void FBDevIdentify(int flags);
static Bool FBDevProbe(DriverPtr drv, int flags);
static Bool FBDevPreInit(ScrnInfoPtr pScrn, int flags);
static Bool FBDevScreenInit(int Index, ScreenPtr pScreen, int argc,
char **argv);
static Bool FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen);
static void * FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
CARD32 *size, void *closure);
static void FBDevPointerMoved(int index, int x, int y);
static Bool FBDevDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen);
enum { FBDEV_ROTATE_NONE=0, FBDEV_ROTATE_CW=270, FBDEV_ROTATE_UD=180, FBDEV_ROTATE_CCW=90 };
/*static ShadowUpdateProc updateFuncs[] =
{ shadowUpdatePacked, shadowUpdateRotate8_270, shadowUpdateRotate8_180, shadowUpdateRotate8_90,
shadowUpdatePacked, shadowUpdateRotate16_270, shadowUpdateRotate16_180, shadowUpdateRotate16_90,
shadowUpdatePacked, shadowUpdateRotate32_270, shadowUpdateRotate32_180, shadowUpdateRotate32_90 }; */
/* -------------------------------------------------------------------- */
/*
* This is intentionally screen-independent. It indicates the binding
* choice made in the first PreInit.
*/
static int pix24bpp = 0;
#define VERSION 4000
#define FBDEV_NAME "FBDEV"
#define FBDEV_DRIVER_NAME "fbdev"
#define FBDEV_MAJOR_VERSION 0
#define FBDEV_MINOR_VERSION 1
DriverRec FBDEV = {
VERSION,
FBDEV_DRIVER_NAME,
#if 0
"driver for linux framebuffer devices",
#endif
FBDevIdentify,
FBDevProbe,
FBDevAvailableOptions,
NULL,
0
};
/* Supported "chipsets" */
static SymTabRec FBDevChipsets[] = {
{ 0, "fbdev" },
#ifdef USE_AFB
{ 0, "afb" },
#endif
{-1, NULL }
};
/* Supported options */
typedef enum {
OPTION_SHADOW_FB,
OPTION_ROTATE,
OPTION_FBDEV
} 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 },
{ -1, NULL, OPTV_NONE, {0}, FALSE }
};
/* -------------------------------------------------------------------- */
static const char *afbSymbols[] = {
"afbScreenInit",
"afbCreateDefColormap",
NULL
};
static const char *fbSymbols[] = {
"fbScreenInit",
"fbPictureInit",
NULL
};
static const char *shadowSymbols[] = {
"shadowAdd",
"shadowAlloc",
"shadowInit",
"shadowSetup",
"shadowUpdatePacked",
"shadowUpdateRotatePacked",
NULL
};
static const char *fbdevHWSymbols[] = {
"fbdevHWInit",
"fbdevHWProbe",
"fbdevHWSetVideoModes",
"fbdevHWUseBuildinMode",
"fbdevHWGetDepth",
"fbdevHWGetLineLength",
"fbdevHWGetName",
"fbdevHWGetType",
"fbdevHWGetVidmem",
"fbdevHWLinearOffset",
"fbdevHWLoadPalette",
"fbdevHWMapVidmem",
"fbdevHWUnmapVidmem",
/* colormap */
"fbdevHWLoadpalette",
/* ScrnInfo hooks */
"fbdevHWAdjustFrame",
"fbdevHWEnterVT",
"fbdevHWLeaveVT",
"fbdevHWModeInit",
"fbdevHWRestore",
"fbdevHWSave",
"fbdevHWSaveScreen",
"fbdevHWSwitchMode",
"fbdevHWValidMode",
"fbdevHWDPMSSet",
NULL
};
#ifdef XFree86LOADER
MODULESETUPPROTO(FBDevSetup);
static XF86ModuleVersionInfo FBDevVersRec =
{
"fbdev",
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XF86_VERSION_CURRENT,
FBDEV_MAJOR_VERSION, FBDEV_MINOR_VERSION, 0,
ABI_CLASS_VIDEODRV,
ABI_VIDEODRV_VERSION,
NULL,
{0,0,0,0}
};
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, 0);
LoaderRefSymLists(afbSymbols, fbSymbols,
shadowSymbols, fbdevHWSymbols, NULL);
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;
unsigned char* shadowmem;
int rotate;
Bool shadowFB;
CloseScreenProcPtr CloseScreen;
void (*PointerMoved)(int index, 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;
xfree(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
FBDevProbe(DriverPtr drv, int flags)
{
int i;
ScrnInfoPtr pScrn;
GDevPtr *devSections;
int numDevSections;
int bus,device,func;
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;
xf86LoaderReqSymLists(fbdevHWSymbols, NULL);
for (i = 0; i < numDevSections; i++) {
Bool isIsa = FALSE;
Bool isPci = FALSE;
dev = xf86FindOptionValue(devSections[i]->options,"fbdev");
if (devSections[i]->busID) {
if (xf86ParsePciBusString(devSections[i]->busID,&bus,&device,
&func)) {
if (!xf86CheckPciSlot(bus,device,func))
continue;
isPci = TRUE;
} else if (xf86ParseIsaBusString(devSections[i]->busID))
isIsa = TRUE;
}
if (fbdevHWProbe(NULL,dev,NULL)) {
pScrn = NULL;
if (isPci) {
/* 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);
} else if (isIsa) {
int entity;
entity = xf86ClaimIsaSlot(drv, 0,
devSections[i], TRUE);
pScrn = xf86ConfigIsaEntity(pScrn,0,entity,
NULL,RES_SHARED_VGA,
NULL,NULL,NULL,NULL);
} 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 = VERSION;
pScrn->driverName = FBDEV_DRIVER_NAME;
pScrn->name = FBDEV_NAME;
pScrn->Probe = FBDevProbe;
pScrn->PreInit = FBDevPreInit;
pScrn->ScreenInit = FBDevScreenInit;
pScrn->SwitchMode = fbdevHWSwitchMode;
pScrn->AdjustFrame = fbdevHWAdjustFrame;
pScrn->EnterVT = fbdevHWEnterVT;
pScrn->LeaveVT = fbdevHWLeaveVT;
pScrn->ValidMode = fbdevHWValidMode;
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"using %s\n", dev ? dev : "default device");
}
}
}
xfree(devSections);
TRACE("probe done");
return foundScreen;
}
static Bool
FBDevPreInit(ScrnInfoPtr pScrn, int flags)
{
FBDevPtr fPtr;
int default_depth, fbbpp;
const char *mod = NULL, *s;
const char **syms = NULL;
int type;
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]);
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;
}
/* open device */
if (!fbdevHWInit(pScrn,NULL,xf86FindOptionValue(fPtr->pEnt->device->options,"fbdev")))
return FALSE;
default_depth = fbdevHWGetDepth(pScrn,&fbbpp);
if (!xf86SetDepthBpp(pScrn, default_depth, default_depth, fbbpp,
Support24bppFb | Support32bppFb | SupportConvert32to24 | PreferConvert32to24))
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, "Given 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 (vidmem: %dk)\n",
fbdevHWGetName(pScrn),pScrn->videoRam/1024);
/* handle options */
xf86CollectOptions(pScrn, NULL);
if (!(fPtr->Options = xalloc(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);
/* 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\" or \"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;
if (fPtr->shadowFB)
pScrn->displayWidth = pScrn->virtualX; /* ShadowFB handles this correctly */
else {
int fbbpp;
/* FIXME: this doesn't work for all cases, e.g. when each scanline
has a padding which is independent from the depth (controlfb) */
fbdevHWGetDepth(pScrn,&fbbpp);
pScrn->displayWidth = fbdevHWGetLineLength(pScrn)/(fbbpp >> 3);
}
xf86PrintModes(pScrn);
/* Set display resolution */
xf86SetDpi(pScrn, 0, 0);
/* Load bpp-specific modules */
switch ((type = fbdevHWGetType(pScrn)))
{
case FBDEVHW_PLANES:
mod = "afb";
syms = afbSymbols;
break;
case FBDEVHW_PACKED_PIXELS:
switch (pScrn->bitsPerPixel)
{
case 8:
case 16:
case 24:
case 32:
mod = "fb";
syms = fbSymbols;
break;
default:
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Unsupported bpp: %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 supported yet by drivers/fbdev.");
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 supprted by drivers/fbdev.\n"
"Why do you want to run the X in TEXT mode anyway ?");
return FALSE;
case FBDEVHW_VGA_PLANES:
/* Not supported yet */
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"EGA/VGA Planes are not supprted yet by drivers/fbdev.");
return FALSE;
default:
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Fbdev type (%d) not supported yet.", type);
return FALSE;
}
if (mod && xf86LoadSubModule(pScrn, mod) == NULL) {
FBDevFreeRec(pScrn);
return FALSE;
}
if (mod && syms) {
xf86LoaderReqSymLists(syms, NULL);
}
/* Load shadow if needed */
if (fPtr->shadowFB) {
xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Using \"Shadow Framebuffer\"\n");
if (!xf86LoadSubModule(pScrn, "shadow")) {
FBDevFreeRec(pScrn);
return FALSE;
}
xf86LoaderReqSymLists(shadowSymbols, NULL);
}
TRACE_EXIT("PreInit");
return TRUE;
}
static Bool
FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
FBDevPtr fPtr = FBDEVPTR(pScrn);
VisualPtr visual;
int init_picture = 0;
int ret,flags,width,height;
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(scrnIndex,X_ERROR,"Map vid mem failed\n");
return FALSE;
}
fPtr->fboff = fbdevHWLinearOffset(pScrn);
fbdevHWSave(pScrn);
if (!fbdevHWModeInit(pScrn, pScrn->currentMode)) {
xf86DrvMsg(scrnIndex,X_ERROR,"Mode init failed\n");
return FALSE;
}
fbdevHWSaveScreen(pScreen, SCREEN_SAVER_ON);
fbdevHWAdjustFrame(scrnIndex,0,0,0);
/* mi layer */
miClearVisualTypes();
if (pScrn->bitsPerPixel > 8) {
if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, TrueColor)) {
xf86DrvMsg(scrnIndex,X_ERROR,"Set visual types failed\n");
return FALSE;
}
} else {
if (!miSetVisualTypes(pScrn->depth,
miGetDefaultVisualMask(pScrn->depth),
pScrn->rgbBits, pScrn->defaultVisual)) {
xf86DrvMsg(scrnIndex,X_ERROR,"Set visual types failed\n");
return FALSE;
}
}
if (!miSetPixmapDepths()) {
xf86DrvMsg(scrnIndex,X_ERROR,"Set pixmap depths failed\n");
return FALSE;
}
if(fPtr->rotate==FBDEV_ROTATE_CW || fPtr->rotate==FBDEV_ROTATE_CCW)
{
height = pScrn->virtualX;
width = pScrn->displayWidth = pScrn->virtualY;
} else {
height = pScrn->virtualY;
width = pScrn->virtualX;
}
if(fPtr->rotate && !fPtr->PointerMoved) {
fPtr->PointerMoved = pScrn->PointerMoved;
pScrn->PointerMoved = FBDevPointerMoved;
}
/* shadowfb */
if (fPtr->shadowFB) {
if ((fPtr->shadowmem = shadowAlloc(width, height,
pScrn->bitsPerPixel)) == NULL) {
xf86DrvMsg(scrnIndex,X_ERROR,
"Allocation of shadow memory failed\n");
return FALSE;
}
fPtr->fbstart = fPtr->shadowmem;
} else {
fPtr->shadowmem = NULL;
fPtr->fbstart = fPtr->fbmem + fPtr->fboff;
}
switch ((type = fbdevHWGetType(pScrn)))
{
#ifdef USE_AFB
case FBDEVHW_PLANES:
if (fPtr->rotate)
{
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: Rotate not supported for afb\n");
ret = FALSE;
break;
}
if (fPtr->shadowFB)
{
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: Shadow framebuffer not supported for afb\n");
ret = FALSE;
break;
}
ret = afbScreenInit
(pScreen, fPtr->fbstart, pScrn->virtualX, pScrn->virtualY,
pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth);
break;
#endif
case FBDEVHW_PACKED_PIXELS:
switch (pScrn->bitsPerPixel) {
case 8:
case 16:
case 24:
case 32:
ret = fbScreenInit(pScreen, fPtr->fbstart, width, height,
pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth, pScrn->bitsPerPixel);
init_picture = 1;
break;
default:
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: invalid bpp (%d) 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(scrnIndex, X_ERROR,
"Internal error: Text mode is not supprted by drivers/fbdev.\n"
"Comment: Why do you want to run the X in TEXT mode anyway ?");
ret = FALSE;
break;
case FBDEVHW_TEXT:
/* This should never happen ...
* we should check for this much much earlier ... */
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: Text mode is not supprted by drivers/fbdev.\n"
"Comment: Why do you want to run the X in TEXT mode anyway ?");
ret = FALSE;
break;
case FBDEVHW_VGA_PLANES:
/* Not supported yet */
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: EGA/VGA Planes are not supprted"
" yet by drivers/fbdev.");
ret = FALSE;
break;
default:
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: fbdev type (%d) unsupported 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 &&
(!shadowSetup(pScreen) || !shadowAdd(pScreen, NULL,
fPtr->rotate ? shadowUpdateRotatePacked : shadowUpdatePacked,
FBDevWindowLinear, fPtr->rotate, NULL)) ) {
xf86DrvMsg(scrnIndex, X_ERROR,
"Shadow framebuffer initialization failed.\n");
return FALSE;
}
if (!fPtr->rotate)
FBDevDGAInit(pScrn, pScreen);
else {
xf86DrvMsg(scrnIndex, X_INFO, "Rotated display, disabling DGA\n");
xf86DrvMsg(scrnIndex, X_INFO, "Enabling Driver rotation, disabling RandR\n");
xf86DisableRandR();
if (pScrn->bitsPerPixel == 24)
xf86DrvMsg(scrnIndex, X_WARNING, "Rotation might be broken in 24 bpp\n");
}
xf86SetBlackWhitePixels(pScreen);
miInitializeBackingStore(pScreen);
xf86SetBackingStore(pScreen);
/* software cursor */
miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
/* colormap */
switch ((type = fbdevHWGetType(pScrn)))
{
/* XXX It would be simpler to use miCreateDefColormap() in all cases. */
#ifdef USE_AFB
case FBDEVHW_PLANES:
if (!afbCreateDefColormap(pScreen))
return FALSE;
break;
#endif
case FBDEVHW_PACKED_PIXELS:
if (!miCreateDefColormap(pScreen))
return FALSE;
break;
case FBDEVHW_INTERLEAVED_PLANES:
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: invalid fbdev type (interleaved planes)"
" in FBDevScreenInit\n");
return FALSE;
case FBDEVHW_TEXT:
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: invalid fbdev type (text)"
" in FBDevScreenInit\n");
return FALSE;
case FBDEVHW_VGA_PLANES:
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: invalid fbdev type (ega/vga planes)"
" in FBDevScreenInit\n");
return FALSE;
default:
xf86DrvMsg(scrnIndex, X_ERROR,
"Internal error: invalid fbdev type (%d) in FBDevScreenInit\n",
type);
return FALSE;
}
flags = CMAP_PALETTED_TRUECOLOR;
if(!xf86HandleColormaps(pScreen, 256, 8, fbdevHWLoadPalette, NULL, flags))
return FALSE;
xf86DPMSInit(pScreen, fbdevHWDPMSSet, 0);
pScreen->SaveScreen = fbdevHWSaveScreen;
/* Wrap the current CloseScreen function */
fPtr->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = FBDevCloseScreen;
{
XF86VideoAdaptorPtr *ptr;
int n = xf86XVListGenericAdaptors(pScrn,&ptr);
if (n) {
xf86XVScreenInit(pScreen,ptr,n);
}
}
TRACE_EXIT("FBDevScreenInit");
return TRUE;
}
static Bool
FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
FBDevPtr fPtr = FBDEVPTR(pScrn);
fbdevHWRestore(pScrn);
fbdevHWUnmapVidmem(pScrn);
if (fPtr->shadowmem)
xfree(fPtr->shadowmem);
if (fPtr->pDGAMode) {
xfree(fPtr->pDGAMode);
fPtr->pDGAMode = NULL;
fPtr->nDGAMode = 0;
}
pScrn->vtSema = FALSE;
pScreen->CloseScreen = fPtr->CloseScreen;
return (*pScreen->CloseScreen)(scrnIndex, pScreen);
}
/***********************************************************************
* Shadow stuff
***********************************************************************/
static void *
FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
CARD32 *size, void *closure)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
FBDevPtr fPtr = FBDEVPTR(pScrn);
if (!pScrn->vtSema)
return NULL;
if (fPtr->lineLength)
*size = fPtr->lineLength;
else
*size = fPtr->lineLength = fbdevHWGetLineLength(pScrn);
return ((CARD8 *)fPtr->fbmem + fPtr->fboff + row * fPtr->lineLength + offset);
}
static void
FBDevPointerMoved(int index, int x, int y)
{
ScrnInfoPtr pScrn = xf86Screens[index];
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)(index, newX, newY);
}
/***********************************************************************
* DGA stuff
***********************************************************************/
static Bool FBDevDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName,
unsigned int *ApertureBase,
unsigned int *ApertureSize,
unsigned int *ApertureOffset,
unsigned 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 int *ApertureBase, unsigned int *ApertureSize,
unsigned int *ApertureOffset, unsigned int *flags)
{
*DeviceName = NULL; /* No special device */
*ApertureBase = 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)(scrnIdx, pMode, 0))
return FALSE;
(*pScrn->AdjustFrame)(scrnIdx, frameX0, frameY0, 0);
return TRUE;
}
static void
FBDevDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags)
{
(*pScrn->AdjustFrame)(pScrn->pScreen->myNum, x, y, flags);
}
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 = xrealloc(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)
{
FBDevPtr fPtr = FBDEVPTR(pScrn);
if (pScrn->depth < 8)
return FALSE;
if (!fPtr->nDGAMode)
FBDevDGAAddModes(pScrn);
return (DGAInit(pScreen, &FBDevDGAFunctions,
fPtr->pDGAMode, fPtr->nDGAMode));
}
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