2003-11-14 17:48:57 +01:00
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/*
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2003-11-25 20:29:01 +01:00
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* Copyright (c) 1993-2003 by The XFree86 Project, Inc.
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2003-11-14 17:48:57 +01:00
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*
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2003-11-25 20:29:01 +01:00
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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2003-11-14 17:48:57 +01:00
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*/
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2003-11-25 20:29:01 +01:00
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2005-07-03 09:02:09 +02:00
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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2005-04-20 14:25:48 +02:00
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#include <X11/X.h>
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2003-11-14 17:48:57 +01:00
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#include "input.h"
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#include "scrnintstr.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86_OSlib.h"
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#include "xf86OSpriv.h"
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/*
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* This file contains the common part of the video memory mapping functions
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*/
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/*
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* Get a piece of the ScrnInfoRec. At the moment, this is only used to hold
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* the MTRR option information, but it is likely to be expanded if we do
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* auto unmapping of memory at VT switch.
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*
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*/
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typedef struct {
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unsigned long physBase;
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unsigned long size;
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pointer virtBase;
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pointer mtrrInfo;
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int flags;
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} MappingRec, *MappingPtr;
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typedef struct {
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int numMappings;
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MappingPtr * mappings;
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Bool mtrrEnabled;
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MessageType mtrrFrom;
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Bool mtrrOptChecked;
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ScrnInfoPtr pScrn;
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} VidMapRec, *VidMapPtr;
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static int vidMapIndex = -1;
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#define VIDMAPPTR(p) ((VidMapPtr)((p)->privates[vidMapIndex].ptr))
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static VidMemInfo vidMemInfo = {FALSE, };
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static VidMapRec vidMapRec = {0, NULL, TRUE, X_DEFAULT, FALSE, NULL};
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static VidMapPtr
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getVidMapRec(int scrnIndex)
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{
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VidMapPtr vp;
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ScrnInfoPtr pScrn;
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if ((scrnIndex < 0) ||
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!(pScrn = xf86Screens[scrnIndex]))
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return &vidMapRec;
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if (vidMapIndex < 0)
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vidMapIndex = xf86AllocateScrnInfoPrivateIndex();
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if (VIDMAPPTR(pScrn) != NULL)
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return VIDMAPPTR(pScrn);
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vp = pScrn->privates[vidMapIndex].ptr = xnfcalloc(sizeof(VidMapRec), 1);
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vp->mtrrEnabled = TRUE; /* default to enabled */
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vp->mtrrFrom = X_DEFAULT;
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vp->mtrrOptChecked = FALSE;
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vp->pScrn = pScrn;
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return vp;
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}
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static MappingPtr
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newMapping(VidMapPtr vp)
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{
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vp->mappings = xnfrealloc(vp->mappings, sizeof(MappingPtr) *
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(vp->numMappings + 1));
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vp->mappings[vp->numMappings] = xnfcalloc(sizeof(MappingRec), 1);
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return vp->mappings[vp->numMappings++];
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}
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static MappingPtr
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findMapping(VidMapPtr vp, pointer vbase, unsigned long size)
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{
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int i;
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for (i = 0; i < vp->numMappings; i++) {
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if (vp->mappings[i]->virtBase == vbase &&
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vp->mappings[i]->size == size)
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return vp->mappings[i];
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}
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return NULL;
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}
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static void
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removeMapping(VidMapPtr vp, MappingPtr mp)
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{
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int i, found = 0;
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for (i = 0; i < vp->numMappings; i++) {
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if (vp->mappings[i] == mp) {
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found = 1;
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2010-05-05 20:44:06 +02:00
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free(vp->mappings[i]);
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2003-11-14 17:48:57 +01:00
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} else if (found) {
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vp->mappings[i - 1] = vp->mappings[i];
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}
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}
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vp->numMappings--;
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vp->mappings[vp->numMappings] = NULL;
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}
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enum { OPTION_MTRR };
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static const OptionInfoRec opts[] =
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{
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{ OPTION_MTRR, "mtrr", OPTV_BOOLEAN, {0}, FALSE },
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{ -1, NULL, OPTV_NONE, {0}, FALSE }
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};
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static void
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checkMtrrOption(VidMapPtr vp)
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{
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if (!vp->mtrrOptChecked && vp->pScrn && vp->pScrn->options != NULL) {
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OptionInfoPtr options;
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options = xnfalloc(sizeof(opts));
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(void)memcpy(options, opts, sizeof(opts));
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xf86ProcessOptions(vp->pScrn->scrnIndex, vp->pScrn->options,
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options);
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if (xf86GetOptValBool(options, OPTION_MTRR, &vp->mtrrEnabled))
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vp->mtrrFrom = X_CONFIG;
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2010-05-05 20:44:06 +02:00
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free(options);
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2003-11-14 17:48:57 +01:00
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vp->mtrrOptChecked = TRUE;
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}
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}
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Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.
This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)
LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.
xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 08:43:34 +01:00
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void
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2003-11-14 17:48:57 +01:00
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xf86MakeNewMapping(int ScreenNum, int Flags, unsigned long Base, unsigned long Size, pointer Vbase)
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{
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VidMapPtr vp;
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MappingPtr mp;
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vp = getVidMapRec(ScreenNum);
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mp = newMapping(vp);
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mp->physBase = Base;
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mp->size = Size;
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mp->virtBase = Vbase;
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mp->flags = Flags;
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}
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Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.
This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)
LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.
xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 08:43:34 +01:00
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void
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2003-11-14 17:48:57 +01:00
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xf86InitVidMem(void)
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{
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if (!vidMemInfo.initialised) {
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memset(&vidMemInfo, 0, sizeof(VidMemInfo));
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xf86OSInitVidMem(&vidMemInfo);
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}
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}
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Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.
This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)
LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.
xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 08:43:34 +01:00
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pointer
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2003-11-14 17:48:57 +01:00
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xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size)
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{
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pointer vbase = NULL;
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VidMapPtr vp;
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MappingPtr mp;
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if (((Flags & VIDMEM_FRAMEBUFFER) &&
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(Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))))
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FatalError("Mapping memory with more than one type\n");
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xf86InitVidMem();
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if (!vidMemInfo.initialised || !vidMemInfo.mapMem)
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return NULL;
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vbase = vidMemInfo.mapMem(ScreenNum, Base, Size, Flags);
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if (!vbase || vbase == (pointer)-1)
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return NULL;
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vp = getVidMapRec(ScreenNum);
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mp = newMapping(vp);
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mp->physBase = Base;
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mp->size = Size;
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mp->virtBase = vbase;
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mp->flags = Flags;
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/*
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* Check the "mtrr" option even when MTRR isn't supported to avoid
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* warnings about unrecognised options.
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*/
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checkMtrrOption(vp);
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if (vp->mtrrEnabled && vidMemInfo.setWC) {
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if (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))
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mp->mtrrInfo =
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vidMemInfo.setWC(ScreenNum, Base, Size, FALSE,
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vp->mtrrFrom);
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else if (Flags & VIDMEM_FRAMEBUFFER)
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mp->mtrrInfo =
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vidMemInfo.setWC(ScreenNum, Base, Size, TRUE,
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vp->mtrrFrom);
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}
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return vbase;
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}
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Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.
This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)
LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.
xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 08:43:34 +01:00
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void
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2003-11-14 17:48:57 +01:00
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xf86UnMapVidMem(int ScreenNum, pointer Base, unsigned long Size)
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{
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VidMapPtr vp;
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MappingPtr mp;
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if (!vidMemInfo.initialised || !vidMemInfo.unmapMem) {
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xf86DrvMsg(ScreenNum, X_WARNING,
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"xf86UnMapVidMem() called before xf86MapVidMem()\n");
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return;
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}
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vp = getVidMapRec(ScreenNum);
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mp = findMapping(vp, Base, Size);
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if (!mp) {
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xf86DrvMsg(ScreenNum, X_WARNING,
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"xf86UnMapVidMem: cannot find region for [%p,0x%lx]\n",
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Base, Size);
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return;
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}
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if (vp->mtrrEnabled && vidMemInfo.undoWC && mp)
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vidMemInfo.undoWC(ScreenNum, mp->mtrrInfo);
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vidMemInfo.unmapMem(ScreenNum, Base, Size);
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removeMapping(vp, mp);
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}
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|
|
|
Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.
This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)
LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.
xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 08:43:34 +01:00
|
|
|
Bool
|
2003-11-14 17:48:57 +01:00
|
|
|
xf86CheckMTRR(int ScreenNum)
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|
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{
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VidMapPtr vp = getVidMapRec(ScreenNum);
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|
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/*
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* Check the "mtrr" option even when MTRR isn't supported to avoid
|
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|
|
* warnings about unrecognised options.
|
|
|
|
*/
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checkMtrrOption(vp);
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if (vp->mtrrEnabled && vidMemInfo.setWC)
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return TRUE;
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return FALSE;
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}
|
|
|
|
|
Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.
This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)
LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.
xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 08:43:34 +01:00
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Bool
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2009-01-11 08:33:18 +01:00
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xf86LinearVidMem(void)
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2003-11-14 17:48:57 +01:00
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{
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xf86InitVidMem();
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return vidMemInfo.linearSupported;
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}
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Rework symbol visibility for easier maintenance
Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.
This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)
LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.
xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).
2008-12-03 08:43:34 +01:00
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void
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2003-11-14 17:48:57 +01:00
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xf86MapReadSideEffects(int ScreenNum, int Flags, pointer base,
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unsigned long Size)
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{
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if (!(Flags & VIDMEM_READSIDEEFFECT))
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return;
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if (!vidMemInfo.initialised || !vidMemInfo.readSideEffects)
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return;
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vidMemInfo.readSideEffects(ScreenNum, base, Size);
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}
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