From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- xorg-server/hw/xfree86/os-support/shared/vidmem.c | 296 ++++++++++++++++++++++ 1 file changed, 296 insertions(+) create mode 100644 xorg-server/hw/xfree86/os-support/shared/vidmem.c (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 new file mode 100644 index 000000000..0b4411604 --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/shared/vidmem.c @@ -0,0 +1,296 @@ +/* + * Copyright (c) 1993-2003 by The XFree86 Project, Inc. + * + * 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 + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#include "input.h" +#include "scrnintstr.h" + +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" +#include "xf86OSpriv.h" + +/* + * 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 physBase; + unsigned long size; + pointer virtBase; + pointer mtrrInfo; + int flags; +} 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, pointer 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; + xfree(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; + xfree(options); + vp->mtrrOptChecked = TRUE; + } +} + +void +xf86MakeNewMapping(int ScreenNum, int Flags, unsigned long Base, unsigned long Size, pointer Vbase) +{ + VidMapPtr vp; + MappingPtr mp; + + vp = getVidMapRec(ScreenNum); + mp = newMapping(vp); + mp->physBase = Base; + mp->size = Size; + mp->virtBase = Vbase; + mp->flags = Flags; +} + +void +xf86InitVidMem(void) +{ + if (!vidMemInfo.initialised) { + memset(&vidMemInfo, 0, sizeof(VidMemInfo)); + xf86OSInitVidMem(&vidMemInfo); + } +} + +_X_EXPORT pointer +xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size) +{ + pointer 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 == (pointer)-1) + return NULL; + + vp = getVidMapRec(ScreenNum); + mp = newMapping(vp); + mp->physBase = Base; + mp->size = Size; + mp->virtBase = vbase; + mp->flags = Flags; + + /* + * 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; +} + +_X_EXPORT void +xf86UnMapVidMem(int ScreenNum, pointer 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); +} + +_X_EXPORT 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; +} + +_X_EXPORT Bool +xf86LinearVidMem() +{ + xf86InitVidMem(); + return vidMemInfo.linearSupported; +} + +_X_EXPORT void +xf86MapReadSideEffects(int ScreenNum, int Flags, pointer base, + unsigned long Size) +{ + if (!(Flags & VIDMEM_READSIDEEFFECT)) + return; + + if (!vidMemInfo.initialised || !vidMemInfo.readSideEffects) + return; + + vidMemInfo.readSideEffects(ScreenNum, base, Size); +} + -- cgit v1.2.3