From 438af0c7d4bf60b408b259c88205ff2193195466 Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 21 Sep 2014 18:11:28 +0200 Subject: libxtrans xkeyboard-config xserver mesa plink glproto git update 21 Sep 2014 plink revision 10233 xserver commit 28337cb14e4347e1dd7936c5393a22e042866687 xkeyboard-config commit 48e1c0b351b6711edc0f167cbb81e4424b75291a glproto commit bd3d751e1eb17efb39f65093271bb4ac071aa9e0 libxtrans commit fb7f198c88e97d22c8c89e76e9cd06b2b2720a96 mesa commit 4eb2bbefd2bf0359aff7ebbb8e931a1c7833606f --- xorg-server/hw/xfree86/os-support/shared/vidmem.c | 205 ---------------------- 1 file changed, 205 deletions(-) (limited to 'xorg-server/hw/xfree86/os-support/shared/vidmem.c') diff --git a/xorg-server/hw/xfree86/os-support/shared/vidmem.c b/xorg-server/hw/xfree86/os-support/shared/vidmem.c index f473293c7..a6bf677f5 100644 --- a/xorg-server/hw/xfree86/os-support/shared/vidmem.c +++ b/xorg-server/hw/xfree86/os-support/shared/vidmem.c @@ -42,119 +42,7 @@ * This file contains the common part of the video memory mapping functions */ -/* - * Get a piece of the ScrnInfoRec. At the moment, this is only used to hold - * the MTRR option information, but it is likely to be expanded if we do - * auto unmapping of memory at VT switch. - * - */ - -typedef struct { - unsigned long size; - void *virtBase; - void *mtrrInfo; -} MappingRec, *MappingPtr; - -typedef struct { - int numMappings; - MappingPtr *mappings; - Bool mtrrEnabled; - MessageType mtrrFrom; - Bool mtrrOptChecked; - ScrnInfoPtr pScrn; -} VidMapRec, *VidMapPtr; - -static int vidMapIndex = -1; - -#define VIDMAPPTR(p) ((VidMapPtr)((p)->privates[vidMapIndex].ptr)) - static VidMemInfo vidMemInfo = { FALSE, }; -static VidMapRec vidMapRec = { 0, NULL, TRUE, X_DEFAULT, FALSE, NULL }; - -static VidMapPtr -getVidMapRec(int scrnIndex) -{ - VidMapPtr vp; - ScrnInfoPtr pScrn; - - if ((scrnIndex < 0) || !(pScrn = xf86Screens[scrnIndex])) - return &vidMapRec; - - if (vidMapIndex < 0) - vidMapIndex = xf86AllocateScrnInfoPrivateIndex(); - - if (VIDMAPPTR(pScrn) != NULL) - return VIDMAPPTR(pScrn); - - vp = pScrn->privates[vidMapIndex].ptr = xnfcalloc(sizeof(VidMapRec), 1); - vp->mtrrEnabled = TRUE; /* default to enabled */ - vp->mtrrFrom = X_DEFAULT; - vp->mtrrOptChecked = FALSE; - vp->pScrn = pScrn; - return vp; -} - -static MappingPtr -newMapping(VidMapPtr vp) -{ - vp->mappings = xnfrealloc(vp->mappings, sizeof(MappingPtr) * - (vp->numMappings + 1)); - vp->mappings[vp->numMappings] = xnfcalloc(sizeof(MappingRec), 1); - return vp->mappings[vp->numMappings++]; -} - -static MappingPtr -findMapping(VidMapPtr vp, void *vbase, unsigned long size) -{ - int i; - - for (i = 0; i < vp->numMappings; i++) { - if (vp->mappings[i]->virtBase == vbase && vp->mappings[i]->size == size) - return vp->mappings[i]; - } - return NULL; -} - -static void -removeMapping(VidMapPtr vp, MappingPtr mp) -{ - int i, found = 0; - - for (i = 0; i < vp->numMappings; i++) { - if (vp->mappings[i] == mp) { - found = 1; - free(vp->mappings[i]); - } - else if (found) { - vp->mappings[i - 1] = vp->mappings[i]; - } - } - vp->numMappings--; - vp->mappings[vp->numMappings] = NULL; -} - -enum { OPTION_MTRR }; - -static const OptionInfoRec opts[] = { - {OPTION_MTRR, "mtrr", OPTV_BOOLEAN, {0}, FALSE}, - {-1, NULL, OPTV_NONE, {0}, FALSE} -}; - -static void -checkMtrrOption(VidMapPtr vp) -{ - if (!vp->mtrrOptChecked && vp->pScrn && vp->pScrn->options != NULL) { - OptionInfoPtr options; - - options = xnfalloc(sizeof(opts)); - (void) memcpy(options, opts, sizeof(opts)); - xf86ProcessOptions(vp->pScrn->scrnIndex, vp->pScrn->options, options); - if (xf86GetOptValBool(options, OPTION_MTRR, &vp->mtrrEnabled)) - vp->mtrrFrom = X_CONFIG; - free(options); - vp->mtrrOptChecked = TRUE; - } -} void xf86InitVidMem(void) @@ -164,96 +52,3 @@ xf86InitVidMem(void) xf86OSInitVidMem(&vidMemInfo); } } - -void * -xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size) -{ - void *vbase = NULL; - VidMapPtr vp; - MappingPtr mp; - - if (((Flags & VIDMEM_FRAMEBUFFER) && - (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT)))) - FatalError("Mapping memory with more than one type\n"); - - xf86InitVidMem(); - if (!vidMemInfo.initialised || !vidMemInfo.mapMem) - return NULL; - - vbase = vidMemInfo.mapMem(ScreenNum, Base, Size, Flags); - - if (!vbase || vbase == (void *) -1) - return NULL; - - vp = getVidMapRec(ScreenNum); - mp = newMapping(vp); - mp->size = Size; - mp->virtBase = vbase; - - /* - * Check the "mtrr" option even when MTRR isn't supported to avoid - * warnings about unrecognised options. - */ - checkMtrrOption(vp); - - if (vp->mtrrEnabled && vidMemInfo.setWC) { - if (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT)) - mp->mtrrInfo = - vidMemInfo.setWC(ScreenNum, Base, Size, FALSE, vp->mtrrFrom); - else if (Flags & VIDMEM_FRAMEBUFFER) - mp->mtrrInfo = - vidMemInfo.setWC(ScreenNum, Base, Size, TRUE, vp->mtrrFrom); - } - return vbase; -} - -void -xf86UnMapVidMem(int ScreenNum, void *Base, unsigned long Size) -{ - VidMapPtr vp; - MappingPtr mp; - - if (!vidMemInfo.initialised || !vidMemInfo.unmapMem) { - xf86DrvMsg(ScreenNum, X_WARNING, - "xf86UnMapVidMem() called before xf86MapVidMem()\n"); - return; - } - - vp = getVidMapRec(ScreenNum); - mp = findMapping(vp, Base, Size); - if (!mp) { - xf86DrvMsg(ScreenNum, X_WARNING, - "xf86UnMapVidMem: cannot find region for [%p,0x%lx]\n", - Base, Size); - return; - } - if (vp->mtrrEnabled && vidMemInfo.undoWC && mp) - vidMemInfo.undoWC(ScreenNum, mp->mtrrInfo); - - vidMemInfo.unmapMem(ScreenNum, Base, Size); - removeMapping(vp, mp); -} - -Bool -xf86CheckMTRR(int ScreenNum) -{ - VidMapPtr vp = getVidMapRec(ScreenNum); - - /* - * Check the "mtrr" option even when MTRR isn't supported to avoid - * warnings about unrecognised options. - */ - checkMtrrOption(vp); - - if (vp->mtrrEnabled && vidMemInfo.setWC) - return TRUE; - - return FALSE; -} - -Bool -xf86LinearVidMem(void) -{ - xf86InitVidMem(); - return vidMemInfo.linearSupported; -} -- cgit v1.2.3