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Diffstat (limited to 'src/mga_driver.c')
| -rw-r--r-- | src/mga_driver.c | 4166 |
1 files changed, 4166 insertions, 0 deletions
diff --git a/src/mga_driver.c b/src/mga_driver.c new file mode 100644 index 0000000..c2696d1 --- /dev/null +++ b/src/mga_driver.c @@ -0,0 +1,4166 @@ +/* $XConsortium: mga_driver.c /main/12 1996/10/28 05:13:26 kaleb $ */ +/* + * MGA Millennium (MGA2064W) with Ti3026 RAMDAC driver v.1.1 + * + * The driver is written without any chip documentation. All extended ports + * and registers come from tracing the VESA-ROM functions. + * The BitBlt Engine comes from tracing the windows BitBlt function. + * + * Author: Radoslaw Kapitan, Tarnow, Poland + * kapitan@student.uci.agh.edu.pl + * original source + * + * Now that MATROX has released documentation to the public, enhancing + * this driver has become much easier. Nevertheless, this work continues + * to be based on Radoslaw's original source + * + * Contributors: + * Andrew van der Stock + * ajv@greebo.net + * additions, corrections, cleanups + * + * Dirk Hohndel + * hohndel@XFree86.Org + * integrated into XFree86-3.1.2Gg + * fixed some problems with PCI probing and mapping + * + * David Dawes + * dawes@XFree86.Org + * some cleanups, and fixed some problems + * + * Andrew E. Mileski + * aem@ott.hookup.net + * RAMDAC timing, and BIOS stuff + * + * Leonard N. Zubkoff + * lnz@dandelion.com + * Support for 8MB boards, RGB Sync-on-Green, and DPMS. + * Guy DESBIEF + * g.desbief@aix.pacwan.net + * RAMDAC MGA1064 timing, + * Doug Merritt + * doug@netcom.com + * Fixed 32bpp hires 8MB horizontal line glitch at middle right + * Niels Gram Jeppesen + * Added digital screen option for first head + */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_driver.c,v 1.231 2003/01/29 19:29:49 eich Exp $ */ + +/* + * This is a first cut at a non-accelerated version to work with the + * new server design (DHD). + */ + + +/* All drivers should typically include these */ +#include "xf86.h" +#include "xf86_OSproc.h" +#include "xf86Resources.h" + +/* All drivers need this */ +#include "xf86_ansic.h" + +#include "compiler.h" + +/* Drivers for PCI hardware need this */ +#include "xf86PciInfo.h" + +/* Drivers that need to access the PCI config space directly need this */ +#include "xf86Pci.h" + +/* All drivers initialising the SW cursor need this */ +#include "mipointer.h" + +/* All drivers implementing backing store need this */ +#include "mibstore.h" + +#include "micmap.h" + +#include "xf86DDC.h" +#include "xf86RAC.h" +#include "vbe.h" + +#include "fb.h" +#include "cfb8_32.h" +#include "dixstruct.h" + +#include "mga_reg.h" +#include "mga.h" +#include "mga_macros.h" + +#include "xaa.h" +#include "xf86cmap.h" +#include "shadowfb.h" +#include "fbdevhw.h" + +#ifdef XF86DRI +#include "dri.h" +#endif + +/* + * Forward definitions for the functions that make up the driver. + */ + +/* Mandatory functions */ +static const OptionInfoRec * MGAAvailableOptions(int chipid, int busid); +static void MGAIdentify(int flags); +static Bool MGAProbe(DriverPtr drv, int flags); +static Bool MGAPreInit(ScrnInfoPtr pScrn, int flags); +static Bool MGAScreenInit(int Index, ScreenPtr pScreen, int argc, + char **argv); +static Bool MGAEnterVT(int scrnIndex, int flags); +static Bool MGAEnterVTFBDev(int scrnIndex, int flags); +static void MGALeaveVT(int scrnIndex, int flags); +static Bool MGACloseScreen(int scrnIndex, ScreenPtr pScreen); +static Bool MGASaveScreen(ScreenPtr pScreen, int mode); +static Bool MGASaveScreenCrtc2(ScreenPtr pScreen, int mode); + +/* This shouldn't be needed since RAC will disable all I/O for MGA cards. */ +#ifdef DISABLE_VGA_IO +static void VgaIOSave(int i, void *arg); +static void VgaIORestore(int i, void *arg); +#endif + +/* Optional functions */ +static void MGAFreeScreen(int scrnIndex, int flags); +static int MGAValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, + int flags); + +/* Internally used functions */ +static Bool MGAMapMem(ScrnInfoPtr pScrn); +static Bool MGAUnmapMem(ScrnInfoPtr pScrn); +static void MGASave(ScrnInfoPtr pScrn); +static void MGARestore(ScrnInfoPtr pScrn); +static Bool MGAModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode); +static void MGABlockHandler(int, pointer, pointer, pointer); +static void MGAG100BlackMagic(MGAPtr pMga); + +static int MGAEntityIndex = -1; + +#include "mga_merge.h" + + +/* + * This contains the functions needed by the server after loading the + * driver module. It must be supplied, and gets added the driver list by + * the Module Setup funtion in the dynamic case. In the static case a + * reference to this is compiled in, and this requires that the name of + * this DriverRec be an upper-case version of the driver name. + */ + +DriverRec MGA_C_NAME = { + MGA_VERSION, + MGA_DRIVER_NAME, + MGAIdentify, + MGAProbe, + MGAAvailableOptions, + NULL, + 0 +}; + +/* Supported chipsets */ +static SymTabRec MGAChipsets[] = { + { PCI_CHIP_MGA2064, "mga2064w" }, + { PCI_CHIP_MGA1064, "mga1064sg" }, + { PCI_CHIP_MGA2164, "mga2164w" }, + { PCI_CHIP_MGA2164_AGP, "mga2164w AGP" }, + { PCI_CHIP_MGAG100, "mgag100" }, + { PCI_CHIP_MGAG100_PCI, "mgag100 PCI" }, + { PCI_CHIP_MGAG200, "mgag200" }, + { PCI_CHIP_MGAG200_PCI, "mgag200 PCI" }, + { PCI_CHIP_MGAG400, "mgag400" }, + { PCI_CHIP_MGAG550, "mgag550" }, + {-1, NULL } +}; + +static PciChipsets MGAPciChipsets[] = { + { PCI_CHIP_MGA2064, PCI_CHIP_MGA2064, (resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGA1064, PCI_CHIP_MGA1064, (resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGA2164, PCI_CHIP_MGA2164, (resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGA2164_AGP, PCI_CHIP_MGA2164_AGP,(resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGAG100, PCI_CHIP_MGAG100, (resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGAG100_PCI, PCI_CHIP_MGAG100_PCI,(resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGAG200, PCI_CHIP_MGAG200, (resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGAG200_PCI, PCI_CHIP_MGAG200_PCI,(resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGAG400, PCI_CHIP_MGAG400, (resRange*)RES_SHARED_VGA }, + { PCI_CHIP_MGAG550, PCI_CHIP_MGAG550, (resRange*)RES_SHARED_VGA }, + { -1, -1, (resRange*)RES_UNDEFINED } +}; + +static const OptionInfoRec MGAOptions[] = { + { OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_HW_CURSOR, "HWcursor", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_PCI_RETRY, "PciRetry", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_SYNC_ON_GREEN, "SyncOnGreen", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_NOACCEL, "NoAccel", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_SHOWCACHE, "ShowCache", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_OVERLAY, "Overlay", OPTV_ANYSTR, {0}, FALSE }, + { OPTION_MGA_SDRAM, "MGASDRAM", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_FBDEV, "UseFBDev", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_COLOR_KEY, "ColorKey", OPTV_INTEGER, {0}, FALSE }, + { OPTION_SET_MCLK, "SetMclk", OPTV_FREQ, {0}, FALSE }, + { OPTION_OVERCLOCK_MEM, "OverclockMem", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_VIDEO_KEY, "VideoKey", OPTV_INTEGER, {0}, FALSE }, + { OPTION_ROTATE, "Rotate", OPTV_ANYSTR, {0}, FALSE }, + { OPTION_TEXTURED_VIDEO, "TexturedVideo",OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_CRTC2HALF, "Crtc2Half", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_CRTC2RAM, "Crtc2Ram", OPTV_INTEGER, {0}, FALSE }, + { OPTION_INT10, "Int10", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_AGP_MODE, "AGPMode", OPTV_INTEGER, {0}, FALSE }, + { OPTION_AGP_SIZE, "AGPSize", OPTV_INTEGER, {0}, FALSE }, + { OPTION_DIGITAL1, "DigitalScreen1",OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_DIGITAL2, "DigitalScreen2",OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_TV, "TV", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_TVSTANDARD, "TVStandard", OPTV_ANYSTR, {0}, FALSE }, + { OPTION_CABLETYPE, "CableType", OPTV_ANYSTR, {0}, FALSE }, + { OPTION_NOHAL, "NoHal", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_SWAPPED_HEAD, "SwappedHead", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_DRI, "DRI", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_MERGEDFB, "MergedFB", OPTV_BOOLEAN, {0}, FALSE }, + { OPTION_HSYNC2, "Monitor2HSync", OPTV_ANYSTR, {0}, FALSE }, + { OPTION_VREFRESH2, "Monitor2VRefresh", OPTV_ANYSTR, {0}, FALSE }, + { OPTION_MONITOR2POS, "Monitor2Position", OPTV_ANYSTR, {0}, FALSE }, + { OPTION_METAMODES, "MetaModes", OPTV_ANYSTR, {0}, FALSE }, + { -1, NULL, OPTV_NONE, {0}, FALSE } +}; + + +/* + * List of symbols from other modules that this module references. This + * list is used to tell the loader that it is OK for symbols here to be + * unresolved providing that it hasn't been told that they haven't been + * told that they are essential via a call to xf86LoaderReqSymbols() or + * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about + * unresolved symbols that are not required. + */ + +static const char *vgahwSymbols[] = { + "vgaHWFreeHWRec", + "vgaHWGetHWRec", + "vgaHWGetIOBase", + "vgaHWGetIndex", + "vgaHWInit", + "vgaHWLock", + "vgaHWMapMem", + "vgaHWProtect", + "vgaHWRestore", + "vgaHWSave", + "vgaHWSaveScreen", + "vgaHWSetMmioFuncs", + "vgaHWUnlock", + "vgaHWUnmapMem", + "vgaHWddc1SetSpeed", + NULL +}; + +static const char *fbSymbols[] = { + "fbPictureInit", + "fbScreenInit", + NULL +}; + +static const char *xf8_32bppSymbols[] = { + "cfb8_32ScreenInit", + "xf86Overlay8Plus32Init", + NULL +}; + +static const char *xaaSymbols[] = { + "XAACachePlanarMonoStipple", + "XAACreateInfoRec", + "XAADestroyInfoRec", + "XAAFallbackOps", + "XAAFillSolidRects", + "XAAInit", + "XAAMoveDWORDS", + "XAAScreenIndex", + "XAA_888_plus_PICT_a8_to_8888", + NULL +}; + +static const char *ramdacSymbols[] = { + "xf86CreateCursorInfoRec", + "xf86DestroyCursorInfoRec", + "xf86InitCursor", + NULL +}; + +#ifdef XFree86LOADER +#ifdef XF86DRI +static const char *drmSymbols[] = { + "drmAddBufs", + "drmAddMap", + "drmAgpAcquire", + "drmAgpAlloc", + "drmAgpBind", + "drmAgpDeviceId", + "drmAgpEnable", + "drmAgpFree", + "drmAgpGetMode", + "drmAgpRelease", + "drmAgpUnbind", + "drmAgpVendorId", + "drmCommandNone", + "drmCommandWrite", + "drmFreeVersion", + "drmGetLibVersion", + "drmGetVersion", + "drmMap", + "drmMapBufs", + "drmUnmap", + "drmUnmapBufs", + NULL +}; + +static const char *driSymbols[] = { + "DRICloseScreen", + "DRICreateInfoRec", + "DRIDestroyInfoRec", + "DRIFinishScreenInit", + "DRIGetDeviceInfo", + "DRILock", + "DRIQueryVersion", + "DRIScreenInit", + "DRIUnlock", + "GlxSetVisualConfigs", + NULL +}; +#endif +#endif + +#define MGAuseI2C 1 + +static const char *ddcSymbols[] = { + "xf86DoEDID_DDC1", +#if MGAuseI2C + "xf86DoEDID_DDC2", +#endif + "xf86PrintEDID", + "xf86SetDDCproperties", + NULL +}; + +static const char *i2cSymbols[] = { + "xf86CreateI2CBusRec", + "xf86I2CBusInit", + NULL +}; + +static const char *shadowSymbols[] = { + "ShadowFBInit", + NULL +}; + +#ifdef XFree86LOADER +static const char *vbeSymbols[] = { + "VBEInit", + "vbeDoEDID", + "vbeFree", + NULL +}; +#endif + +static const char *int10Symbols[] = { + "xf86FreeInt10", + "xf86InitInt10", + NULL +}; + +static const char *fbdevHWSymbols[] = { + "fbdevHWAdjustFrame", + "fbdevHWEnterVT", + "fbdevHWGetVidmem", + "fbdevHWInit", + "fbdevHWLeaveVT", + "fbdevHWLoadPalette", + "fbdevHWMapMMIO", + "fbdevHWMapVidmem", + "fbdevHWModeInit", + "fbdevHWRestore", + "fbdevHWSave", + "fbdevHWSwitchMode", + "fbdevHWUnmapMMIO", + "fbdevHWUnmapVidmem", + "fbdevHWUseBuildinMode", + "fbdevHWValidMode", + NULL +}; + +#ifdef USEMGAHAL +static const char *halSymbols[] = { + "MGACloseLibrary", + "MGAGetBOARDHANDLESize", + "MGAGetHardwareInfo", + "MGAOpenLibrary", + "MGARestoreVgaState", + "MGASaveVgaState", + "MGASetMode", + "MGASetVgaMode", + "MGAValidateMode", + "MGAValidateVideoParameters", + "HALSetDisplayStart", + NULL +}; +#endif +#ifdef XFree86LOADER + +static MODULESETUPPROTO(mgaSetup); + +static XF86ModuleVersionInfo mgaVersRec = +{ + MGA_DRIVER_NAME, + MODULEVENDORSTRING, + MODINFOSTRING1, + MODINFOSTRING2, + XF86_VERSION_CURRENT, + MGA_MAJOR_VERSION, MGA_MINOR_VERSION, MGA_PATCHLEVEL, + ABI_CLASS_VIDEODRV, /* This is a video driver */ + ABI_VIDEODRV_VERSION, + MOD_CLASS_VIDEODRV, + {0,0,0,0} +}; + +XF86ModuleData MGA_MODULE_DATA = { &mgaVersRec, mgaSetup, NULL }; + +static pointer +mgaSetup(pointer module, pointer opts, int *errmaj, int *errmin) +{ + static Bool setupDone = FALSE; + + /* This module should be loaded only once, but check to be sure. */ + + if (!setupDone) { + setupDone = TRUE; + xf86AddDriver(&MGA_C_NAME, module, 0); + + /* + * Modules that this driver always requires may be loaded here + * by calling LoadSubModule(). + */ + + /* + * Tell the loader about symbols from other modules that this module + * might refer to. + */ + LoaderRefSymLists(vgahwSymbols, xaaSymbols, + xf8_32bppSymbols, ramdacSymbols, + ddcSymbols, i2cSymbols, shadowSymbols, + fbdevHWSymbols, vbeSymbols, + fbSymbols, int10Symbols, +#ifdef XF86DRI + drmSymbols, driSymbols, +#endif +#ifdef USEMGAHAL + halSymbols, +#endif + NULL); + + /* + * The return value must be non-NULL on success even though there + * is no TearDownProc. + */ + return (pointer)1; + } else { + if (errmaj) *errmaj = LDR_ONCEONLY; + return NULL; + } +} + + +#endif /* XFree86LOADER */ + +/* + * ramdac info structure initialization + */ +static MGARamdacRec DacInit = { + FALSE, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL, + 90000, /* maxPixelClock */ + 0, X_DEFAULT, X_DEFAULT, FALSE +}; + +Bool +MGAGetRec(ScrnInfoPtr pScrn) +{ + /* + * Allocate an MGARec, and hook it into pScrn->driverPrivate. + * pScrn->driverPrivate is initialised to NULL, so we can check if + * the allocation has already been done. + */ + if (pScrn->driverPrivate != NULL) + return TRUE; + + pScrn->driverPrivate = xnfcalloc(sizeof(MGARec), 1); + /* Initialise it */ + + MGAPTR(pScrn)->Dac = DacInit; + return TRUE; +} + +void +MGAFreeRec(ScrnInfoPtr pScrn) +{ + if (pScrn->driverPrivate == NULL) + return; + xfree(pScrn->driverPrivate); + pScrn->driverPrivate = NULL; +} + +static const OptionInfoRec * +MGAAvailableOptions(int chipid, int busid) +{ + return MGAOptions; +} + +/* Mandatory */ +static void +MGAIdentify(int flags) +{ + xf86PrintChipsets(MGA_NAME, "driver for Matrox chipsets", MGAChipsets); +} + + +/* Mandatory */ +static Bool +MGAProbe(DriverPtr drv, int flags) +{ + int i; + GDevPtr *devSections; + int *usedChips = NULL; + int numDevSections; + int numUsed; + Bool foundScreen = FALSE; + + /* + * The aim here is to find all cards that this driver can handle, + * and for the ones not already claimed by another driver, claim the + * slot, and allocate a ScrnInfoRec. + * + * This should be a minimal probe, and it should under no circumstances + * change the state of the hardware. Because a device is found, don't + * assume that it will be used. Don't do any initialisations other than + * the required ScrnInfoRec initialisations. Don't allocate any new + * data structures. + */ + + /* + * Check if there has been a chipset override in the config file. + * For this we must find out if there is an active device section which + * is relevant, i.e., which has no driver specified or has THIS driver + * specified. + */ + + if ((numDevSections = xf86MatchDevice(MGA_DRIVER_NAME, + &devSections)) <= 0) { + /* + * There's no matching device section in the config file, so quit + * now. + */ + return FALSE; + } + + /* + * We need to probe the hardware first. We then need to see how this + * fits in with what is given in the config file, and allow the config + * file info to override any contradictions. + */ + + /* + * All of the cards this driver supports are PCI, so the "probing" just + * amounts to checking the PCI data that the server has already collected. + */ + if (xf86GetPciVideoInfo() == NULL) { + /* + * We won't let anything in the config file override finding no + * PCI video cards at all. This seems reasonable now, but we'll see. + */ + return FALSE; + } + + numUsed = xf86MatchPciInstances(MGA_NAME, PCI_VENDOR_MATROX, + MGAChipsets, MGAPciChipsets, devSections, + numDevSections, drv, &usedChips); + /* Free it since we don't need that list after this */ + xfree(devSections); + if (numUsed <= 0) + return FALSE; + + + if (flags & PROBE_DETECT) + foundScreen = TRUE; + else for (i = 0; i < numUsed; i++) { + ScrnInfoPtr pScrn; + EntityInfoPtr pEnt; +#ifdef DISABLE_VGA_IO + MgaSavePtr smga; +#endif + + /* Allocate a ScrnInfoRec and claim the slot */ + pScrn = NULL; + +#ifndef DISABLE_VGA_IO + if ((pScrn = xf86ConfigPciEntity(pScrn, 0,usedChips[i], + MGAPciChipsets, NULL, NULL, + NULL, NULL, NULL))) +#else + smga = xnfalloc(sizeof(MgaSave)); + smga->pvp = xf86GetPciInfoForEntity(usedChips[i]); + if ((pScrn = xf86ConfigPciEntity(pScrn, 0,usedChips[i], + MGAPciChipsets, NULL,VgaIOSave, + VgaIOSave, VgaIORestore,smga))) +#endif + { + + /* Fill in what we can of the ScrnInfoRec */ + pScrn->driverVersion = MGA_VERSION; + pScrn->driverName = MGA_DRIVER_NAME; + pScrn->name = MGA_NAME; + pScrn->Probe = MGAProbe; + pScrn->PreInit = MGAPreInit; + pScrn->ScreenInit = MGAScreenInit; + pScrn->SwitchMode = MGASwitchMode; + pScrn->AdjustFrame = MGAAdjustFrame; + pScrn->EnterVT = MGAEnterVT; + pScrn->LeaveVT = MGALeaveVT; + pScrn->FreeScreen = MGAFreeScreen; + pScrn->ValidMode = MGAValidMode; + + foundScreen = TRUE; + } + + /* + * For cards that can do dual head per entity, mark the entity + * as sharable. + */ + pEnt = xf86GetEntityInfo(usedChips[i]); + if ((pEnt->chipset == PCI_CHIP_MGAG400 || pEnt->chipset == PCI_CHIP_MGAG550)) { + MGAEntPtr pMgaEnt = NULL; + DevUnion *pPriv; + + xf86SetEntitySharable(usedChips[i]); + /* Allocate an entity private if necessary */ + if (MGAEntityIndex < 0) + MGAEntityIndex = xf86AllocateEntityPrivateIndex(); + pPriv = xf86GetEntityPrivate(pScrn->entityList[0], MGAEntityIndex); + if (!pPriv->ptr) { + pPriv->ptr = xnfcalloc(sizeof(MGAEntRec), 1); + pMgaEnt = pPriv->ptr; + pMgaEnt->lastInstance = -1; + } else { + pMgaEnt = pPriv->ptr; + } + /* + * Set the entity instance for this instance of the driver. For + * dual head per card, instance 0 is the "master" instance, driving + * the primary head, and instance 1 is the "slave". + */ + pMgaEnt->lastInstance++; + xf86SetEntityInstanceForScreen(pScrn, pScrn->entityList[0], + pMgaEnt->lastInstance); + } + } + + xfree(usedChips); + + return foundScreen; +} + + +/* + * Should aim towards not relying on this. + */ + +/* + * MGAReadBios - Read the video BIOS info block. + * + * DESCRIPTION + * Warning! This code currently does not detect a video BIOS. + * In the future, support for motherboards with the mga2064w + * will be added (no video BIOS) - this is not a huge concern + * for me today though. (XXX) + * + * EXTERNAL REFERENCES + * vga256InfoRec.BIOSbase IN Physical address of video BIOS. + * MGABios OUT The video BIOS info block. + * + * HISTORY + * August 31, 1997 - [ajv] Andrew van der Stock + * Fixed to understand Mystique and Millennium II + * + * January 11, 1997 - [aem] Andrew E. Mileski + * Set default values for GCLK (= MCLK / pre-scale ). + * + * October 7, 1996 - [aem] Andrew E. Mileski + * Written and tested. + */ + +void +MGAReadBios(ScrnInfoPtr pScrn) +{ + CARD8 BIOS[0x10000]; + CARD16 offset; + CARD8 chksum; + CARD8 *pPINSInfo; + MGAPtr pMga; + MGABiosInfo *pBios; + MGABios2Info *pBios2; + Bool pciBIOS = TRUE; + int rlen; + + pMga = MGAPTR(pScrn); + pBios = &pMga->Bios; + pBios2 = &pMga->Bios2; + + /* Get the output mode set by the BIOS */ + xf86ReadDomainMemory(pMga->PciTag, pMga->BiosAddress + 0x7ff1u, + sizeof(CARD8), &pMga->BiosOutputMode); + + /* + * If the BIOS address was probed, it was found from the PCI config + * space. If it was given in the config file, try to guess when it + * looks like it might be controlled by the PCI config space. + */ + if (pMga->BiosFrom == X_DEFAULT) + pciBIOS = FALSE; + else if (pMga->BiosFrom == X_CONFIG && pMga->BiosAddress < 0x100000) + pciBIOS = TRUE; + + if (pciBIOS) + rlen = xf86ReadPciBIOS(0, pMga->PciTag, pMga->FbBaseReg, + BIOS, sizeof(BIOS)); + else + rlen = xf86ReadDomainMemory(pMga->PciTag, pMga->BiosAddress, + sizeof(BIOS), BIOS); + + if (rlen < (BIOS[2] << 9)) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Could not retrieve video BIOS!\n"); + return; + } + + /* Get the video BIOS info block */ + if (strncmp((char *)(&BIOS[45]), "MATROX", 6)) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Video BIOS info block not detected!\n"); + return; + } + + /* Get the info block offset */ + offset = (BIOS[0x7ffd] << 8) | BIOS[0x7ffc]; + + /* Let the world know what we are up to */ + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Video BIOS info block at offset 0x%05lX\n", + (long)(offset)); + +#define MGADoBIOSRead(offset, buf, len) memcpy(buf, &BIOS[offset], len) + + /* Copy the info block */ + /* XXX What about big-endianness? */ + switch (pMga->Chipset){ + case PCI_CHIP_MGA2064: + MGADoBIOSRead(offset, + ( CARD8 * ) & pBios->StructLen, sizeof( MGABiosInfo )); + break; + default: + MGADoBIOSRead(offset, + ( CARD8 * ) & pBios2->PinID, sizeof( MGABios2Info )); + break; + } + + /* matrox millennium-2 and mystique pins info */ + if ( pBios2->PinID == 0x412e ) { + int i; + /* check that the pins info is correct */ + if ( pBios2->StructLen != 0x40 ) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Video BIOS info block not detected!\n"); + pBios2->PinID = 0; + return; + } + /* check that the chksum is correct */ + chksum = 0; + pPINSInfo = (CARD8 *) &pBios2->PinID; + + for (i=0; i < pBios2->StructLen; i++) { + chksum += *pPINSInfo; + pPINSInfo++; + } + + if ( chksum ) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Video BIOS info block did not checksum!\n"); + pBios2->PinID = 0; + return; + } + + /* last check */ + if ( pBios2->StructRev == 0 ) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Video BIOS info block does not have a valid revision!\n"); + pBios2->PinID = 0; + return; + } + + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Found and verified enhanced Video BIOS info block\n"); + + /* Set default MCLK values (scaled by 100 kHz) */ + if ( pBios2->ClkMem == 0 ) + pBios2->ClkMem = 50; + if ( pBios2->Clk4MB == 0 ) + pBios2->Clk4MB = pBios->ClkBase; + if ( pBios2->Clk8MB == 0 ) + pBios2->Clk8MB = pBios->Clk4MB; + pBios->StructLen = 0; /* not in use */ +#ifdef DEBUG + for (i = 0; i < 0x40; i++) + ErrorF("Pins[0x%02x] is 0x%02x\n", i, + ((unsigned char *)pBios2)[i]); +#endif + } else { + /* Set default MCLK values (scaled by 10 kHz) */ + if ( pBios->ClkBase == 0 ) + pBios->ClkBase = 4500; + if ( pBios->Clk4MB == 0 ) + pBios->Clk4MB = pBios->ClkBase; + if ( pBios->Clk8MB == 0 ) + pBios->Clk8MB = pBios->Clk4MB; + pBios2->PinID = 0; /* not in use */ + } +} + +/* + * MGASoftReset -- + * + * Resets drawing engine + */ +void +MGASoftReset(ScrnInfoPtr pScrn) +{ + MGAPtr pMga = MGAPTR(pScrn); + + pMga->FbMapSize = 8192 * 1024; + MGAMapMem(pScrn); + + /* set soft reset bit */ + OUTREG(MGAREG_Reset, 1); + usleep(200); + OUTREG(MGAREG_Reset, 0); + + /* reset memory */ + OUTREG(MGAREG_MACCESS, 1<<15); + usleep(10); + +#if 0 + /* This will hang if the PLLs aren't on */ + + /* wait until drawing engine is ready */ + while ( MGAISBUSY() ) + usleep(1000); + + /* flush FIFO */ + i = 32; + WAITFIFO(i); + while ( i-- ) + OUTREG(MGAREG_SHIFT, 0); +#endif + + MGAUnmapMem(pScrn); +} + +/* + * MGACountRAM -- + * + * Counts amount of installed RAM + */ +static int +MGACountRam(ScrnInfoPtr pScrn) +{ + MGAPtr pMga = MGAPTR(pScrn); + int ProbeSize = 8192; + int SizeFound = 2048; + CARD32 biosInfo = 0; + +#if 0 + /* This isn't correct. It looks like this can have arbitrary + data for the memconfig even when the bios has initialized + it. At least, my cards don't advertise the documented + values (my 8 and 16 Meg G200s have the same values) */ + if(pMga->Primary) /* can only trust this for primary cards */ + biosInfo = pciReadLong(pMga->PciTag, PCI_OPTION_REG); +#endif + + switch(pMga->Chipset) { + case PCI_CHIP_MGA2164: + case PCI_CHIP_MGA2164_AGP: + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Unable to probe memory amount due to hardware bug. " + "Assuming 4096 KB\n"); + return 4096; + case PCI_CHIP_MGAG400: + case PCI_CHIP_MGAG550: + if(biosInfo) { + switch((biosInfo >> 10) & 0x07) { + case 0: + return (biosInfo & (1 << 14)) ? 32768 : 16384; + case 1: + case 2: + return 16384; + case 3: + case 5: + return 65536; + case 4: + return 32768; + } + } + ProbeSize = 32768; + break; + case PCI_CHIP_MGAG200: + case PCI_CHIP_MGAG200_PCI: + if(biosInfo) { + switch((biosInfo >> 11) & 0x03) { + case 0: + return 8192; + default: + return 16384; + } + } + ProbeSize = 16384; + break; + case PCI_CHIP_MGAG100: + case PCI_CHIP_MGAG100_PCI: + if(biosInfo) /* I'm not sure if the docs are correct */ + return (biosInfo & (1 << 12)) ? 16384 : 8192; + case PCI_CHIP_MGA1064: + case PCI_CHIP_MGA2064: + ProbeSize = 8192; + break; + default: + break; + } + + if (pMga->FbAddress) { + volatile unsigned char* base; + unsigned char tmp; + int i; + + pMga->FbMapSize = ProbeSize * 1024; + MGAMapMem(pScrn); + base = pMga->FbBase; + + /* turn MGA mode on - enable linear frame buffer (CRTCEXT3) */ + OUTREG8(MGAREG_CRTCEXT_INDEX, 3); + tmp = INREG8(MGAREG_CRTCEXT_DATA); + OUTREG8(MGAREG_CRTCEXT_DATA, tmp | 0x80); + + /* write, read and compare method */ + for(i = ProbeSize; i > 2048; i -= 2048) { + base[(i * 1024) - 1] = 0xAA; + OUTREG8(MGAREG_CRTC_INDEX, 0); /* flush the cache */ + usleep(1); /* twart write combination */ + if(base[(i * 1024) - 1] == 0xAA) { + SizeFound = i; + break; + } + } + + /* restore CRTCEXT3 state */ + OUTREG8(MGAREG_CRTCEXT_INDEX, 3); + OUTREG8(MGAREG_CRTCEXT_DATA, tmp); + + MGAUnmapMem(pScrn); + } + return SizeFound; +} + +static xf86MonPtr +MGAdoDDC(ScrnInfoPtr pScrn) +{ + vgaHWPtr hwp; + MGAPtr pMga; + MGARamdacPtr MGAdac; + xf86MonPtr MonInfo = NULL; + + hwp = VGAHWPTR(pScrn); + pMga = MGAPTR(pScrn); + MGAdac = &pMga->Dac; + + /* Load DDC if we have the code to use it */ + /* This gives us DDC1 */ + if (pMga->ddc1Read || pMga->i2cInit) { + if (xf86LoadSubModule(pScrn, "ddc")) { + xf86LoaderReqSymLists(ddcSymbols, NULL); + } else { + /* ddc module not found, we can do without it */ + pMga->ddc1Read = NULL; + + /* Without DDC, we have no use for the I2C bus */ + pMga->i2cInit = NULL; + return NULL; + } + } else + return NULL; + +#if MGAuseI2C + /* - DDC can use I2C bus */ + /* Load I2C if we have the code to use it */ + if (pMga->i2cInit) { + if ( xf86LoadSubModule(pScrn, "i2c") ) { + xf86LoaderReqSymLists(i2cSymbols,NULL); + } else { + /* i2c module not found, we can do without it */ + pMga->i2cInit = NULL; + pMga->I2C = NULL; + } + } +#endif /* MGAuseI2C */ + + /* Map the MGA memory and MMIO areas */ + if (!MGAMapMem(pScrn)) + return NULL; + + /* Initialise the MMIO vgahw functions */ + vgaHWSetMmioFuncs(hwp, pMga->IOBase, PORT_OFFSET); + vgaHWGetIOBase(hwp); + + /* Map the VGA memory when the primary video */ + if (pMga->Primary) { + hwp->MapSize = 0x10000; + if (!vgaHWMapMem(pScrn)) + return NULL; + } else { + /* XXX Need to write an MGA mode ddc1SetSpeed */ + if (pMga->DDC1SetSpeed == vgaHWddc1SetSpeed) { + pMga->DDC1SetSpeed = NULL; + xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + "DDC1 disabled - chip not in VGA mode\n"); + } + } + + /* Save the current state */ + MGASave(pScrn); + + /* It is now safe to talk to the card */ + +#if MGAuseI2C + /* Initialize I2C bus - used by DDC if available */ + if (pMga->i2cInit) { + pMga->i2cInit(pScrn); + } + /* Read and output monitor info using DDC2 over I2C bus */ + if (pMga->I2C) { + MonInfo = xf86DoEDID_DDC2(pScrn->scrnIndex,pMga->I2C); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "I2C Monitor info: %p\n", MonInfo); + xf86PrintEDID(MonInfo); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "end of I2C Monitor info\n"); + } + if (!MonInfo) +#endif /* MGAuseI2C */ + /* Read and output monitor info using DDC1 */ + if (pMga->ddc1Read && pMga->DDC1SetSpeed) { + MonInfo = xf86DoEDID_DDC1(pScrn->scrnIndex, + pMga->DDC1SetSpeed, + pMga->ddc1Read ) ; + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "DDC Monitor info: %p\n", MonInfo); + xf86PrintEDID( MonInfo ); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "end of DDC Monitor info\n"); + } + if (!MonInfo){ + vbeInfoPtr pVbe; + if (xf86LoadSubModule(pScrn, "vbe")) { + pVbe = VBEInit(NULL,pMga->pEnt->index); + MonInfo = vbeDoEDID(pVbe, NULL); + vbeFree(pVbe); + + if (MonInfo){ + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "VBE DDC Monitor info: %p\n", MonInfo); + xf86PrintEDID( MonInfo ); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "end of VBE DDC Monitor info\n\n"); + } + } + } + + + /* Restore previous state and unmap MGA memory and MMIO areas */ + MGARestore(pScrn); + MGAUnmapMem(pScrn); + /* Unmap vga memory if we mapped it */ + if (xf86IsPrimaryPci(pMga->PciInfo) && !pMga->FBDev) { + vgaHWUnmapMem(pScrn); + } + + xf86SetDDCproperties(pScrn, MonInfo); + + return MonInfo; +} + +#ifdef DISABLE_VGA_IO +static void +VgaIOSave(int i, void *arg) +{ + MgaSavePtr sMga = arg; + PCITAG tag = pciTag(sMga->pvp->bus,sMga->pvp->device,sMga->pvp->func); + +#ifdef DEBUG + ErrorF("mga: VgaIOSave: %d:%d:%d\n", sMga->pvp->bus, sMga->pvp->device, + sMga->pvp->func); +#endif + sMga->enable = (pciReadLong(tag, PCI_OPTION_REG) & 0x100) != 0; +} + +static void +VgaIORestore(int i, void *arg) +{ + MgaSavePtr sMga = arg; + PCITAG tag = pciTag(sMga->pvp->bus,sMga->pvp->device,sMga->pvp->func); + +#ifdef DEBUG + ErrorF("mga: VgaIORestore: %d:%d:%d\n", sMga->pvp->bus, sMga->pvp->device, + sMga->pvp->func); +#endif + pciSetBitsLong(tag, PCI_OPTION_REG, 0x100, sMga->enable ? 0x100 : 0x000); +} + +static void +VgaIODisable(void *arg) +{ + MGAPtr pMga = arg; + +#ifdef DEBUG + ErrorF("mga: VgaIODisable: %d:%d:%d, %s, xf86ResAccessEnter is %s\n", + pMga->PciInfo->bus, pMga->PciInfo->device, pMga->PciInfo->func, + pMga->Primary ? "primary" : "secondary", + BOOLTOSTRING(xf86ResAccessEnter)); +#endif + /* Turn off the vgaioen bit. */ + pciSetBitsLong(pMga->PciTag, PCI_OPTION_REG, 0x100, 0x000); +} + +static void +VgaIOEnable(void *arg) +{ + MGAPtr pMga = arg; + +#ifdef DEBUG + ErrorF("mga: VgaIOEnable: %d:%d:%d, %s, xf86ResAccessEnter is %s\n", + pMga->PciInfo->bus, pMga->PciInfo->device, pMga->PciInfo->func, + pMga->Primary ? "primary" : "secondary", + BOOLTOSTRING(xf86ResAccessEnter)); +#endif + /* Turn on the vgaioen bit. */ + if (pMga->Primary) + pciSetBitsLong(pMga->PciTag, PCI_OPTION_REG, 0x100, 0x100); +} +#endif /* DISABLE_VGA_IO */ + +void +MGAProbeDDC(ScrnInfoPtr pScrn, int index) +{ + vbeInfoPtr pVbe; + if (xf86LoadSubModule(pScrn, "vbe")) { + pVbe = VBEInit(NULL,index); + ConfiguredMonitor = vbeDoEDID(pVbe, NULL); + vbeFree(pVbe); + } +} + +/* Mandatory */ +static Bool +MGAPreInit(ScrnInfoPtr pScrn, int flags) +{ + MGAPtr pMga; + MessageType from; + int i; + double real; + int bytesPerPixel; + ClockRangePtr clockRanges; + const char *s; + int flags24; + MGAEntPtr pMgaEnt = NULL; + Bool Default; +#ifdef USEMGAHAL + ULONG status; + CARD8 MiscCtlReg; +#endif + + /* + * Note: This function is only called once at server startup, and + * not at the start of each server generation. This means that + * only things that are persistent across server generations can + * be initialised here. xf86Screens[] is (pScrn is a pointer to one + * of these). Privates allocated using xf86AllocateScrnInfoPrivateIndex() + * are too, and should be used for data that must persist across + * server generations. + * + * Per-generation data should be allocated with + * AllocateScreenPrivateIndex() from the ScreenInit() function. + */ + + /* Check the number of entities, and fail if it isn't one. */ + if (pScrn->numEntities != 1) + return FALSE; + + /* Allocate the MGARec driverPrivate */ + if (!MGAGetRec(pScrn)) { + return FALSE; + } + + pMga = MGAPTR(pScrn); + /* Set here until dri is enabled */ +#ifdef XF86DRI + pMga->haveQuiescense = 1; +#endif + /* Get the entity, and make sure it is PCI. */ + pMga->pEnt = xf86GetEntityInfo(pScrn->entityList[0]); + if (pMga->pEnt->location.type != BUS_PCI) + return FALSE; + + /* Allocate an entity private if necessary */ + if (xf86IsEntityShared(pScrn->entityList[0])) { + pMgaEnt = xf86GetEntityPrivate(pScrn->entityList[0], + MGAEntityIndex)->ptr; + pMga->entityPrivate = pMgaEnt; + } + + /* Set pMga->device to the relevant Device section */ + pMga->device = xf86GetDevFromEntity(pScrn->entityList[0], + pScrn->entityInstanceList[0]); + + if (flags & PROBE_DETECT) { + MGAProbeDDC(pScrn, pMga->pEnt->index); + return TRUE; + } + + /* The vgahw module should be loaded here when needed */ + if (!xf86LoadSubModule(pScrn, "vgahw")) + return FALSE; + + xf86LoaderReqSymLists(vgahwSymbols, NULL); + + /* + * Allocate a vgaHWRec + */ + if (!vgaHWGetHWRec(pScrn)) + return FALSE; + + /* Find the PCI info for this screen */ + pMga->PciInfo = xf86GetPciInfoForEntity(pMga->pEnt->index); + pMga->PciTag = pciTag(pMga->PciInfo->bus, pMga->PciInfo->device, + pMga->PciInfo->func); + + pMga->Primary = xf86IsPrimaryPci(pMga->PciInfo); + +#ifndef DISABLE_VGA_IO + xf86SetOperatingState(resVgaIo, pMga->pEnt->index, ResUnusedOpr); + xf86SetOperatingState(resVgaMem, pMga->pEnt->index, ResDisableOpr); +#else + /* + * Set our own access functions, which control the vgaioen bit. + */ + pMga->Access.AccessDisable = VgaIODisable; + pMga->Access.AccessEnable = VgaIOEnable; + pMga->Access.arg = pMga; + /* please check if this is correct. I've impiled that the VGA fb + is handled locally and not visible outside. If the VGA fb is + handeled by the same function the third argument has to be set, + too.*/ + xf86SetAccessFuncs(pMga->pEnt, &pMga->Access, &pMga->Access, + &pMga->Access, NULL); +#endif + + /* Set pScrn->monitor */ + pScrn->monitor = pScrn->confScreen->monitor; + + /* + * Set the Chipset and ChipRev, allowing config file entries to + * override. + */ + if (pMga->device->chipset && *pMga->device->chipset) { + pScrn->chipset = pMga->device->chipset; + pMga->Chipset = xf86StringToToken(MGAChipsets, pScrn->chipset); + from = X_CONFIG; + } else if (pMga->device->chipID >= 0) { + pMga->Chipset = pMga->device->chipID; + pScrn->chipset = (char *)xf86TokenToString(MGAChipsets, pMga->Chipset); + from = X_CONFIG; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "ChipID override: 0x%04X\n", + pMga->Chipset); + } else { + from = X_PROBED; + pMga->Chipset = pMga->PciInfo->chipType; + pScrn->chipset = (char *)xf86TokenToString(MGAChipsets, pMga->Chipset); + } + if (pMga->device->chipRev >= 0) { + pMga->ChipRev = pMga->device->chipRev; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "ChipRev override: %d\n", + pMga->ChipRev); + } else { + pMga->ChipRev = pMga->PciInfo->chipRev; + } + + /* + * This shouldn't happen because such problems should be caught in + * MGAProbe(), but check it just in case. + */ + if (pScrn->chipset == NULL) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "ChipID 0x%04X is not recognised\n", pMga->Chipset); + return FALSE; + } + if (pMga->Chipset < 0) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Chipset \"%s\" is not recognised\n", pScrn->chipset); + return FALSE; + } + + xf86DrvMsg(pScrn->scrnIndex, from, "Chipset: \"%s\"", pScrn->chipset); + if (pMga->Chipset == PCI_CHIP_MGAG400) { + if (pMga->ChipRev >= 0x80) + xf86ErrorF(" (G450)\n"); + else + xf86ErrorF(" (G400)\n"); + } else { + xf86ErrorF("\n"); + } +#ifdef USEMGAHAL + if (HAL_CHIPSETS) { + Bool loadHal = TRUE; + + from = X_DEFAULT; + if (xf86FindOption(pMga->device->options, "NoHal")) { + loadHal = !xf86SetBoolOption(pMga->device->options, + "NoHal", !loadHal); + from = X_CONFIG; + } else if (xf86FindOption(pMga->device->options, "Hal")) { + loadHal = xf86SetBoolOption(pMga->device->options, + "Hal", loadHal); + from = X_CONFIG; + } + if (loadHal && xf86LoadSubModule(pScrn, "mga_hal")) { + xf86LoaderReqSymLists(halSymbols, NULL); + xf86DrvMsg(pScrn->scrnIndex, from,"Matrox HAL module used\n"); + pMga->HALLoaded = TRUE; + } else { + xf86DrvMsg(pScrn->scrnIndex, from, "Matrox HAL module not loaded " + "- using builtin mode setup instead\n"); + pMga->HALLoaded = FALSE; + } + } +#endif + + pMga->DualHeadEnabled = FALSE; + if (xf86IsEntityShared(pScrn->entityList[0])) {/* dual-head mode requested*/ +#ifdef USEMGAHAL + if (pMga->HALLoaded || !MGA_DH_NEEDS_HAL(pMga)) { +#else + if (!MGA_DH_NEEDS_HAL(pMga)) { +#endif + pMga->DualHeadEnabled = TRUE; + } else if (xf86IsPrimInitDone(pScrn->entityList[0])) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "This card requires the \"mga_hal\" module for dual-head operation\n" + "\tIt can be found at the Matrox web site <http://www.matrox.com>\n"); + } + } + + /* + * In case of DualHead, we need to determine if we are the 'master' head + * or the 'slave' head. In order to do that, at the end of the first + * initialisation, PrimInit is set as DONE to the shared entity. So that + * the second initialisation knows that something has been done before it. + * This always assume that the first device initialised is the master + * head, and the second the slave. + * + */ + if (xf86IsEntityShared(pScrn->entityList[0])) { /* dual-head mode */ + if (!xf86IsPrimInitDone(pScrn->entityList[0])) { /* Is it the first initialisation? */ + /* First CRTC */ + pMga->SecondCrtc = FALSE; + pMga->HWCursor = TRUE; + pMgaEnt->pScrn_1 = pScrn; + } else if (pMga->DualHeadEnabled) { + /* Second CRTC */ + pMga->SecondCrtc = TRUE; + pMga->HWCursor = FALSE; + pMgaEnt->pScrn_2 = pScrn; + pScrn->AdjustFrame = MGAAdjustFrameCrtc2; + /* + * Fail initialization of second head if we are in MergeFB mode, + * since we do it ourselfs. + */ + if(pMgaEnt->pScrn_1 && MGAPTR(pMgaEnt->pScrn_1)->MergedFB) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Primary head in Merged framebuffer mode. \n" + "Don't let Xfree try to manage the second head.\n" + "Remove the second screen in the \"ServerLayout\"\n" + "Section of the config file."); + return FALSE; + } + } else { + return FALSE; + } + } + + if (pMga->DualHeadEnabled) { +#ifdef XF86DRI + pMga->GetQuiescence = MGAGetQuiescenceShared; +#endif + } else { /* single-head mode */ + pMga->SecondCrtc = FALSE; + pMga->HWCursor = TRUE; +#ifdef XF86DRI + pMga->GetQuiescence = MGAGetQuiescence; +#endif + } + + + + /* + * The first thing we should figure out is the depth, bpp, etc. + * Our default depth is 8, so pass it to the helper function. + * We support both 24bpp and 32bpp layouts, so indicate that. + */ + + /* Prefer 24bpp fb unless the Overlay option is set, or DRI is + * supported. + */ + flags24 = Support24bppFb | Support32bppFb | SupportConvert32to24; + s = xf86TokenToOptName(MGAOptions, OPTION_OVERLAY); +#ifndef XF86DRI + if (!(xf86FindOption(pScrn->confScreen->options, s) || + xf86FindOption(pMga->device->options, s))) { + flags24 |= PreferConvert32to24; + } +#endif + + if (pMga->SecondCrtc) + flags24 = Support32bppFb; + + if (!xf86SetDepthBpp(pScrn, 8, 8, 8, flags24)) { + return FALSE; + } else { + /* Check that the returned depth is one we support */ + switch (pScrn->depth) { + case 8: + case 15: + case 16: + case 24: + /* OK */ + break; + default: + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Given depth (%d) is not supported by this driver\n", + pScrn->depth); + return FALSE; + } + } + xf86PrintDepthBpp(pScrn); + + /* + * This must happen after pScrn->display has been set because + * xf86SetWeight references it. + */ + if (pScrn->depth > 8) { + /* The defaults are OK for us */ + rgb zeros = {0, 0, 0}; + + if (!xf86SetWeight(pScrn, zeros, zeros)) { + return FALSE; + } else { + /* XXX check that weight returned is supported */ + ; + } + } + + bytesPerPixel = pScrn->bitsPerPixel / 8; + + /* We use a programmable clock */ + pScrn->progClock = TRUE; + + /* Collect all of the relevant option flags (fill in pScrn->options) */ + xf86CollectOptions(pScrn, NULL); + + /* Process the options */ + if (!(pMga->Options = xalloc(sizeof(MGAOptions)))) + return FALSE; + memcpy(pMga->Options, MGAOptions, sizeof(MGAOptions)); + xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pMga->Options); + + +#if !defined(__powerpc__) + pMga->softbooted = FALSE; + if (pMga->Chipset >= PCI_CHIP_MGAG400 + && !pMga->Primary + && !pMga->SecondCrtc) + Default = TRUE; + else + Default = FALSE; + if (xf86ReturnOptValBool(pMga->Options, OPTION_INT10, Default) && + xf86LoadSubModule(pScrn, "int10")) { + xf86Int10InfoPtr pInt; + + xf86LoaderReqSymLists(int10Symbols, NULL); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Initializing int10\n"); + pInt = xf86InitInt10(pMga->pEnt->index); + if (pInt) pMga->softbooted = TRUE; + xf86FreeInt10(pInt); + } +#endif + + /* Set the bits per RGB for 8bpp mode */ + if (pScrn->depth == 8) + pScrn->rgbBits = 8; + +#ifdef XF86DRI + from = X_DEFAULT; + pMga->agpMode = MGA_DEFAULT_AGP_MODE; + + if (xf86GetOptValInteger(pMga->Options, + OPTION_AGP_MODE, &(pMga->agpMode))) { + if (pMga->agpMode < 1) { + pMga->agpMode = 1; + } + if (pMga->agpMode > MGA_MAX_AGP_MODE) { + pMga->agpMode = MGA_MAX_AGP_MODE; + } + from = X_CONFIG; + } + if (xf86GetOptValInteger(pMga->Options, + OPTION_AGP_SIZE, &(pMga->agpSize))) { + /* check later */ + xf86DrvMsg(pScrn->scrnIndex, from, "Using %d MB of AGP memory\n", + pMga->agpSize); + } + + xf86DrvMsg(pScrn->scrnIndex, from, "Using AGP %dx mode\n", + pMga->agpMode); +#endif + + from = X_DEFAULT; + + /* + * The preferred method is to use the "hw cursor" option as a tri-state + * option, with the default set above. + */ + if (xf86GetOptValBool(pMga->Options, OPTION_HW_CURSOR, &pMga->HWCursor)) { + from = X_CONFIG; + } + + /* For compatibility, accept this too (as an override) */ + if (xf86ReturnOptValBool(pMga->Options, OPTION_NOACCEL, FALSE)) { + pMga->NoAccel = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Acceleration disabled\n"); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_PCI_RETRY, FALSE)) { + pMga->UsePCIRetry = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "PCI retry enabled\n"); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_SYNC_ON_GREEN, FALSE)) { + pMga->SyncOnGreen = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Sync-on-Green enabled\n"); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_SHOWCACHE, FALSE)) { + pMga->ShowCache = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "ShowCache enabled\n"); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_MGA_SDRAM, FALSE)) { + pMga->HasSDRAM = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Has SDRAM\n"); + } + if (xf86GetOptValFreq(pMga->Options, OPTION_SET_MCLK, OPTUNITS_MHZ, &real)) { + pMga->MemClk = (int)(real * 1000.0); + } + if ((s = xf86GetOptValString(pMga->Options, OPTION_OVERLAY))) { + if (!*s || !xf86NameCmp(s, "8,24") || !xf86NameCmp(s, "24,8")) { + if(pScrn->bitsPerPixel == 32 && pMga->SecondCrtc == FALSE) { + pMga->Overlay8Plus24 = TRUE; + if(!xf86GetOptValInteger( + pMga->Options, OPTION_COLOR_KEY,&(pMga->colorKey))) + pMga->colorKey = TRANSPARENCY_KEY; + pScrn->colorKey = pMga->colorKey; + pScrn->overlayFlags = OVERLAY_8_32_PLANAR; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "PseudoColor overlay enabled\n"); + } else { + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Option \"Overlay\" is only supported in 32 bits per pixel on" + "the first CRTC\n"); + } + } else { + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "\"%s\" is not a valid value for Option \"Overlay\"\n", s); + } + } + + if(xf86GetOptValInteger(pMga->Options, OPTION_VIDEO_KEY, &(pMga->videoKey))) { + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "video key set to 0x%x\n", + pMga->videoKey); + } else { + pMga->videoKey = (1 << pScrn->offset.red) | + (1 << pScrn->offset.green) | + (((pScrn->mask.blue >> pScrn->offset.blue) - 1) << pScrn->offset.blue); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_SHADOW_FB, FALSE)) { + pMga->ShadowFB = TRUE; + pMga->NoAccel = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Using \"Shadow Framebuffer\" - acceleration disabled\n"); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_FBDEV, FALSE)) { + pMga->FBDev = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Using framebuffer device\n"); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_OVERCLOCK_MEM, FALSE)) { + pMga->OverclockMem = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Overclocking memory\n"); + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_TEXTURED_VIDEO, FALSE)) { + pMga->TexturedVideo = TRUE; + } + if (xf86ReturnOptValBool(pMga->Options, OPTION_MERGEDFB, FALSE)) { + if(!MGAISGx50(pMga)) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "\"Merged Framebuffer\" mode only supported on G450 and G550 boards.\n"); + } else { +#ifdef USEMGAHAL + if(pMga->HALLoaded) + { + pMga->MergedFB = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Using \"Merged Framebuffer\" mode.\n"); + /* + * a few options that won't work well together + */ + if(pMga->HWCursor) /*Should we give the choice? */ + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + " -- Hardware Cursor disabled.\n"); + pMga->HWCursor = FALSE; + if(pMga->ShadowFB) + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + " -- Shadow Framebuffer disabled.\n"); + pMga->ShadowFB = FALSE; + if(pMga->FBDev) + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + " -- Framebuffer device disabled.\n"); + pMga->FBDev = FALSE; + } /* MGA_HAL */ + else +#endif + { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "HALLib not loaded! NOT using \"Merged Framebuffer\" mode.\n"); + } /* MGA_NOT_HAL */ + } /* ISMGAGx50() */ + } + if (pMga->FBDev) { + /* check for linux framebuffer device */ + if (!xf86LoadSubModule(pScrn, "fbdevhw")) + return FALSE; + xf86LoaderReqSymLists(fbdevHWSymbols, NULL); + if (!fbdevHWInit(pScrn, pMga->PciInfo, NULL)) + return FALSE; + pScrn->SwitchMode = fbdevHWSwitchMode; + pScrn->AdjustFrame = fbdevHWAdjustFrame; + pScrn->EnterVT = MGAEnterVTFBDev; + pScrn->LeaveVT = fbdevHWLeaveVT; + pScrn->ValidMode = fbdevHWValidMode; + } + pMga->Rotate = 0; + if ((s = xf86GetOptValString(pMga->Options, OPTION_ROTATE))) { + if(!pMga->MergedFB) { + if(!xf86NameCmp(s, "CW")) { + pMga->ShadowFB = TRUE; + pMga->NoAccel = TRUE; + pMga->HWCursor = FALSE; + pMga->Rotate = 1; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Rotating screen clockwise - acceleration disabled\n"); + } else + if(!xf86NameCmp(s, "CCW")) { + pMga->ShadowFB = TRUE; + pMga->NoAccel = TRUE; + pMga->HWCursor = FALSE; + pMga->Rotate = -1; + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Rotating screen counter clockwise - acceleration disabled\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\" or \"CCW\"\n"); + } + } else { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + " -- Rotation disabled.\n"); + } + } + + switch (pMga->Chipset) { + case PCI_CHIP_MGA2064: + case PCI_CHIP_MGA2164: + case PCI_CHIP_MGA2164_AGP: + MGA2064SetupFuncs(pScrn); + break; + case PCI_CHIP_MGA1064: + case PCI_CHIP_MGAG100: + case PCI_CHIP_MGAG100_PCI: + case PCI_CHIP_MGAG200: + case PCI_CHIP_MGAG200_PCI: + case PCI_CHIP_MGAG400: + case PCI_CHIP_MGAG550: + MGAGSetupFuncs(pScrn); + break; + } + + /* ajv changes to reflect actual values. see sdk pp 3-2. */ + /* these masks just get rid of the crap in the lower bits */ + + /* + * For the 2064 and older rev 1064, base0 is the MMIO and base0 is + * the framebuffer is base1. Let the config file override these. + */ + if (pMga->device->MemBase != 0) { + /* Require that the config file value matches one of the PCI values. */ + if (!xf86CheckPciMemBase(pMga->PciInfo, pMga->device->MemBase)) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "MemBase 0x%08lX doesn't match any PCI base register.\n", + pMga->device->MemBase); + MGAFreeRec(pScrn); + return FALSE; + } + pMga->FbAddress = pMga->device->MemBase; + from = X_CONFIG; + } else { + /* details: mgabase2 sdk pp 4-12 */ + int i = ((pMga->Chipset == PCI_CHIP_MGA1064 && pMga->ChipRev < 3) || + pMga->Chipset == PCI_CHIP_MGA2064) ? 1 : 0; + pMga->FbBaseReg = i; + if (pMga->PciInfo->memBase[i] != 0) { + pMga->FbAddress = pMga->PciInfo->memBase[i] & 0xff800000; + from = X_PROBED; + } else { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "No valid FB address in PCI config space\n"); + MGAFreeRec(pScrn); + return FALSE; + } + } + + xf86DrvMsg(pScrn->scrnIndex, from, "Linear framebuffer at 0x%lX\n", + (unsigned long)pMga->FbAddress); + +#if !defined(__powerpc__) + if (pMga->device->IOBase != 0) { + /* Require that the config file value matches one of the PCI values. */ + if (!xf86CheckPciMemBase(pMga->PciInfo, pMga->device->IOBase)) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "IOBase 0x%08lX doesn't match any PCI base register.\n", + pMga->device->IOBase); + MGAFreeRec(pScrn); + return FALSE; + } + pMga->IOAddress = pMga->device->IOBase; + from = X_CONFIG; + } else { + /* details: mgabase1 sdk pp 4-11 */ + int i = ((pMga->Chipset == PCI_CHIP_MGA1064 && pMga->ChipRev < 3) || + pMga->Chipset == PCI_CHIP_MGA2064) ? 0 : 1; + if (pMga->PciInfo->memBase[i] != 0) { + pMga->IOAddress = pMga->PciInfo->memBase[i] & 0xffffc000; + from = X_PROBED; + } else { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "No valid MMIO address in PCI config space\n"); + MGAFreeRec(pScrn); + return FALSE; + } + } +#else + pMga->IOAddress = pMga->PciInfo->memBase[0]; +#endif + xf86DrvMsg(pScrn->scrnIndex, from, "MMIO registers at 0x%lX\n", + (unsigned long)pMga->IOAddress); + + + pMga->ILOADAddress = 0; + if ( pMga->Chipset != PCI_CHIP_MGA2064 ) { + if (pMga->PciInfo->memBase[2] != 0) { + pMga->ILOADAddress = pMga->PciInfo->memBase[2] & 0xffffc000; + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Pseudo-DMA transfer window at 0x%lX\n", + (unsigned long)pMga->ILOADAddress); + } + } + +#if !defined(__powerpc__) + /* + * Find the BIOS base. Get it from the PCI config if possible. Otherwise + * use the VGA default. Allow the config file to override this. + */ + + pMga->BiosFrom = X_NONE; + if (pMga->device->BiosBase != 0) { + /* XXX This isn't used */ + pMga->BiosAddress = pMga->device->BiosBase; + pMga->BiosFrom = X_CONFIG; + } else { + /* details: rombase sdk pp 4-15 */ + if (pMga->PciInfo->biosBase != 0) { + pMga->BiosAddress = pMga->PciInfo->biosBase & 0xffff0000; + pMga->BiosFrom = X_PROBED; + } else if (pMga->Primary) { + pMga->BiosAddress = 0xc0000; + pMga->BiosFrom = X_DEFAULT; + } + } + if (pMga->BiosAddress) { + xf86DrvMsg(pScrn->scrnIndex, pMga->BiosFrom, "BIOS at 0x%lX\n", + (unsigned long)pMga->BiosAddress); + } + + if (xf86RegisterResources(pMga->pEnt->index, NULL, ResExclusive)) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "xf86RegisterResources() found resource conflicts\n"); + MGAFreeRec(pScrn); + return FALSE; + } + + /* + * Read the BIOS data struct + */ + +#if defined(__alpha__) + /* + * Some old Digital-OEMed Matrox Millennium I cards have a VGA + * disable switch. If the disable is on, we can't read the BIOS, + * and pMga->BiosAddress = 0x0. The disable switch is needed to + * allow multi-head operation with brain-dead console code... ;-} + */ + + if ((pMga->BiosAddress == 0) && !xf86IsPrimaryPci(pMga->PciInfo)) + xf86DrvMsg(pScrn->scrnIndex, pMga->BiosFrom, + "BIOS not found, skipping read\n"); + else +#endif + MGAReadBios(pScrn); + + /* Since the BIOS can swap DACs during the initialisation of G550, we need to + * store which DAC this instance of the driver is taking care of. This is done + * by checking a flag stored in the ROM by the BIOS at a fixed address. */ + + if (!pMga->SecondCrtc) + pMga->SecondOutput = FALSE; + else + pMga->SecondOutput = TRUE; + + if (pMga->Chipset == PCI_CHIP_MGAG550) { + if (!pMga->SecondCrtc) { + pMga->SecondOutput = (pMga->BiosOutputMode & 0x1) ? TRUE : FALSE; + } else { + pMga->SecondOutput = (pMga->BiosOutputMode & 0x1) ? FALSE : TRUE; + } + } + + xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, + "MGABios.RamdacType = 0x%x\n", pMga->Bios.RamdacType); +#endif /* !__powerpc__ */ + + /* HW bpp matches reported bpp */ + pMga->HwBpp = pScrn->bitsPerPixel; + + /* + * Reset card if it isn't primary one + */ + if ( (!pMga->Primary && !pMga->FBDev) || xf86IsPc98() ) + MGASoftReset(pScrn); + + /* + * If the user has specified the amount of memory in the XF86Config + * file, we respect that setting. + */ + from = X_PROBED; + if (pMga->device->videoRam != 0) { + pScrn->videoRam = pMga->device->videoRam; + from = X_CONFIG; + } else if (pMga->FBDev) { + pScrn->videoRam = fbdevHWGetVidmem(pScrn)/1024; + } else { + pScrn->videoRam = MGACountRam(pScrn); + } + + if (pMga->DualHeadEnabled) { + /* This takes gives either half or 8 meg to the second head + * whichever is less. */ + if(pMga->SecondCrtc == FALSE) { + Bool UseHalf = FALSE; + int adjust; + + xf86GetOptValBool(pMga->Options, OPTION_CRTC2HALF, &UseHalf); + adjust = pScrn->videoRam / 2; + + if (UseHalf == TRUE || + xf86GetOptValInteger(pMga->Options, OPTION_CRTC2RAM, &adjust)) { + xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, + "Crtc2 will use %dK of VideoRam\n", + adjust); + } else { + adjust = min(adjust, 8192); + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Crtc2 will use %dK of VideoRam\n", + adjust); + } + pMgaEnt->mastervideoRam = pScrn->videoRam - adjust; + pScrn->videoRam = pMgaEnt->mastervideoRam; + pMgaEnt->slavevideoRam = adjust; + pMgaEnt->masterFbAddress = pMga->FbAddress; + pMga->FbMapSize = + pMgaEnt->masterFbMapSize = pScrn->videoRam * 1024; + pMgaEnt->slaveFbAddress = pMga->FbAddress + + pMgaEnt->masterFbMapSize; + pMgaEnt->slaveFbMapSize = pMgaEnt->slavevideoRam * 1024; + pMga->realSrcOrg = pMga->SrcOrg = 0; + pMga->DstOrg = 0; + } else { + pMga->FbAddress = pMgaEnt->slaveFbAddress; + pMga->FbMapSize = pMgaEnt->slaveFbMapSize; + pScrn->videoRam = pMgaEnt->slavevideoRam; + pMga->DstOrg = pMga->realSrcOrg = + pMgaEnt->slaveFbAddress - pMgaEnt->masterFbAddress; + pMga->SrcOrg = 0; /* This is not stored in hw format!! */ + } + pMgaEnt->refCount++; + } else { + /* Normal Handling of video ram etc */ + pMga->FbMapSize = pScrn->videoRam * 1024; + switch(pMga->Chipset) { + case PCI_CHIP_MGAG550: + case PCI_CHIP_MGAG400: + case PCI_CHIP_MGAG200: + case PCI_CHIP_MGAG200_PCI: + pMga->SrcOrg = 0; + pMga->DstOrg = 0; + break; + default: + break; + } + } + xf86DrvMsg(pScrn->scrnIndex, from, "VideoRAM: %d kByte\n", + pScrn->videoRam); + + /* Set the bpp shift value */ + pMga->BppShifts[0] = 0; + pMga->BppShifts[1] = 1; + pMga->BppShifts[2] = 0; + pMga->BppShifts[3] = 2; + + /* + * fill MGAdac struct + * Warning: currently, it should be after RAM counting + */ + (*pMga->PreInit)(pScrn); + +#if !defined(__powerpc__) + + /* Read and print the Monitor DDC info */ + pScrn->monitor->DDC = MGAdoDDC(pScrn); +#endif /* !__powerpc__ */ + + /* + * If the driver can do gamma correction, it should call xf86SetGamma() + * here. + */ + + { + Gamma zeros = {0.0, 0.0, 0.0}; + + if (!xf86SetGamma(pScrn, zeros)) { + return FALSE; + } + } + + + /* XXX Set HW cursor use */ + + /* Set the min pixel clock */ + pMga->MinClock = 12000; /* XXX Guess, need to check this */ + xf86DrvMsg(pScrn->scrnIndex, X_DEFAULT, "Min pixel clock is %d MHz\n", + pMga->MinClock / 1000); + /* + * If the user has specified ramdac speed in the XF86Config + * file, we respect that setting. + */ + if (pMga->device->dacSpeeds[0]) { + int speed = 0; + + switch (pScrn->bitsPerPixel) { + case 8: + speed = pMga->device->dacSpeeds[DAC_BPP8]; + break; + case 16: + speed = pMga->device->dacSpeeds[DAC_BPP16]; + break; + case 24: + speed = pMga->device->dacSpeeds[DAC_BPP24]; + break; + case 32: + speed = pMga->device->dacSpeeds[DAC_BPP32]; + break; + } + if (speed == 0) + pMga->MaxClock = pMga->device->dacSpeeds[0]; + else + pMga->MaxClock = speed; + from = X_CONFIG; + } else { + pMga->MaxClock = pMga->Dac.maxPixelClock; + from = pMga->Dac.ClockFrom; + } + if(pMga->SecondCrtc == TRUE) { + /* Override on 2nd crtc */ + if ((pMga->ChipRev >= 0x80) || (pMga->Chipset == PCI_CHIP_MGAG550)) { + /* G450, G550 */ + pMga->MaxClock = 234000; + } else { + pMga->MaxClock = 135000; + } + } + xf86DrvMsg(pScrn->scrnIndex, from, "Max pixel clock is %d MHz\n", + pMga->MaxClock / 1000); + /* + * Setup the ClockRanges, which describe what clock ranges are available, + * and what sort of modes they can be used for. + */ + clockRanges = xnfcalloc(sizeof(ClockRange), 1); + clockRanges->next = NULL; + clockRanges->minClock = pMga->MinClock; + clockRanges->maxClock = pMga->MaxClock; + clockRanges->clockIndex = -1; /* programmable */ + clockRanges->interlaceAllowed = TRUE; + clockRanges->doubleScanAllowed = TRUE; +#ifdef USEMGAHAL + MGA_HAL(clockRanges->interlaceAllowed = FALSE); + MGA_HAL(clockRanges->doubleScanAllowed = FALSE); +#endif + if (pMga->SecondCrtc == TRUE) + clockRanges->interlaceAllowed = FALSE; + + clockRanges->ClockMulFactor = 1; + clockRanges->ClockDivFactor = 1; + + /* Only set MemClk if appropriate for the ramdac */ + if (pMga->Dac.SetMemClk) { + if (pMga->MemClk == 0) { + pMga->MemClk = pMga->Dac.MemoryClock; + from = pMga->Dac.MemClkFrom; + } else + from = X_CONFIG; + xf86DrvMsg(pScrn->scrnIndex, from, "MCLK used is %.1f MHz\n", + pMga->MemClk / 1000.0); + } + + /* + * xf86ValidateModes will check that the mode HTotal and VTotal values + * don't exceed the chipset's limit if pScrn->maxHValue and + * pScrn->maxVValue are set. Since our MGAValidMode() already takes + * care of this, we don't worry about setting them here. + */ + { + int Pitches1[] = + {640, 768, 800, 960, 1024, 1152, 1280, 1600, 1920, 2048, 0}; + int Pitches2[] = + {512, 640, 768, 800, 832, 960, 1024, 1152, 1280, 1600, 1664, + 1920, 2048, 0}; + int *linePitches = NULL; + int minPitch = 256; + int maxPitch = 2048; + + switch(pMga->Chipset) { + case PCI_CHIP_MGA2064: + if (!pMga->NoAccel) { + linePitches = xalloc(sizeof(Pitches1)); + memcpy(linePitches, Pitches1, sizeof(Pitches1)); + minPitch = maxPitch = 0; + } + break; + case PCI_CHIP_MGA2164: + case PCI_CHIP_MGA2164_AGP: + case PCI_CHIP_MGA1064: + if (!pMga->NoAccel) { + linePitches = xalloc(sizeof(Pitches2)); + memcpy(linePitches, Pitches2, sizeof(Pitches2)); + minPitch = maxPitch = 0; + } + break; + case PCI_CHIP_MGAG100: + case PCI_CHIP_MGAG100_PCI: + maxPitch = 2048; + break; + case PCI_CHIP_MGAG200: + case PCI_CHIP_MGAG200_PCI: + case PCI_CHIP_MGAG400: + case PCI_CHIP_MGAG550: + maxPitch = 4096; + break; + } + + i = xf86ValidateModes(pScrn, pScrn->monitor->Modes, + pScrn->display->modes, clockRanges, + linePitches, minPitch, maxPitch, + pMga->Roundings[(pScrn->bitsPerPixel >> 3) - 1] * + pScrn->bitsPerPixel, 128, 2048, + pScrn->display->virtualX, + pScrn->display->virtualY, + pMga->FbMapSize, + LOOKUP_BEST_REFRESH); + + if (linePitches) + xfree(linePitches); + } + + + if (i < 1 && pMga->FBDev) { + fbdevHWUseBuildinMode(pScrn); + pScrn->displayWidth = pScrn->virtualX; /* FIXME: might be wrong */ + i = 1; + } + if (i == -1) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Validate Modes Failed\n"); + MGAFreeRec(pScrn); + return FALSE; + } + + /* Prune the modes marked as invalid */ + xf86PruneDriverModes(pScrn); + + if (i == 0 || pScrn->modes == NULL) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes found\n"); + MGAFreeRec(pScrn); + return FALSE; + } +#ifdef USEMGAHAL + MGA_HAL( + + if(pMga->SecondCrtc == FALSE) { + + pMga->pBoard = xalloc(sizeof(CLIENTDATA) + MGAGetBOARDHANDLESize()); + pMga->pClientStruct = xalloc(sizeof(CLIENTDATA)); + pMga->pClientStruct->pMga = (MGAPtr) pMga; + + MGAMapMem(pScrn); + /* + * For some reason the MGAOPM_DMA_BLIT bit needs to be set + * on G200 before opening the HALlib. I don't know why. + * MATROX: hint, hint. + */ + /*if (pMga->Chipset == PCI_CHIP_MGAG200 || + pMga->Chipset == PCI_CHIP_MGAG200_PCI) */{ + CARD32 opmode; + opmode = INREG(MGAREG_OPMODE); + OUTREG(MGAREG_OPMODE, MGAOPM_DMA_BLIT | opmode); + } + /* wrapping OpenLibrary to fix broken registers. MATROX: hint, hint. */ + MiscCtlReg = inMGAdac(MGA1064_MISC_CTL); + MGAOpenLibrary(pMga->pBoard,pMga->pClientStruct,sizeof(CLIENTDATA)); + outMGAdac(MGA1064_MISC_CTL,MiscCtlReg); + MGAUnmapMem(pScrn); + pMga->pMgaHwInfo = xalloc(sizeof(MGAHWINFO)); + MGAGetHardwareInfo(pMga->pBoard,pMga->pMgaHwInfo); + + /* copy the board handles */ + if (pMga->DualHeadEnabled) { + pMgaEnt->pClientStruct = pMga->pClientStruct; + pMgaEnt->pBoard = pMga->pBoard; + pMgaEnt->pMgaHwInfo = pMga->pMgaHwInfo; + } + + } else { /* Second CRTC && entity is shared */ + pMga->pBoard = pMgaEnt->pBoard; + pMga->pClientStruct = pMgaEnt->pClientStruct; + pMga->pMgaHwInfo = pMgaEnt->pMgaHwInfo; + + } + + MGAFillModeInfoStruct(pScrn,NULL); + /* Fields usually handled by MGAFillModeInfoStruct, but are unavailable + * because no mode is given + */ + pMga->pMgaModeInfo->ulDispWidth = pScrn->virtualX; + pMga->pMgaModeInfo->ulDispHeight = pScrn->virtualY; + + + if (ISDIGITAL1(pMga)) + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Digital screen detected on first head.\n"); + if (ISTV1(pMga)) + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "TV detected on first head.\n"); + if (ISDIGITAL2(pMga)) + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Digital screen detected on second head.\n"); + if (ISTV2(pMga)) + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "TV detected on second head.\n"); + + + if((status = MGAValidateMode(pMga->pBoard,pMga->pMgaModeInfo)) != 0) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "MGAValidateMode from HALlib found the mode to be invalid.\n" + "\tError: 0x%lx\n", status); + return FALSE; + } + pScrn->displayWidth = pMga->pMgaModeInfo->ulFBPitch; + ); /* MGA_HAL */ +#endif + + if (pMga->HasSDRAM) { /* don't bother checking */ } + else if ((pMga->PciInfo->subsysCard == PCI_CARD_MILL_G200_SD) || + (pMga->PciInfo->subsysCard == PCI_CARD_MARV_G200_SD) || + (pMga->PciInfo->subsysCard == PCI_CARD_MYST_G200_SD) || + (pMga->PciInfo->subsysCard == PCI_CARD_PROD_G100_SD)) { + pMga->HasSDRAM = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "Has SDRAM\n"); + } + /* + * Can we trust HALlib to set the memory configuration + * registers correctly? + */ +#ifdef USEMGAHAL + else if ((pMga->softbooted || pMga->Primary /*|| pMga->HALLoaded*/ ) && +#else + else if ((pMga->softbooted || pMga->Primary) && +#endif + (pMga->Chipset != PCI_CHIP_MGA2064) && + (pMga->Chipset != PCI_CHIP_MGA2164) && + (pMga->Chipset != PCI_CHIP_MGA2164_AGP)) { + CARD32 option_reg = pciReadLong(pMga->PciTag, PCI_OPTION_REG); + if(!(option_reg & (1 << 14))) { + pMga->HasSDRAM = TRUE; + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "Has SDRAM\n"); + } + } + + /* + * Set the CRTC parameters for all of the modes based on the type + * of mode, and the chipset's interlace requirements. + * + * Calling this is required if the mode->Crtc* values are used by the + * driver and if the driver doesn't provide code to set them. They + * are not pre-initialised at all. + */ +#ifdef USEMGAHAL + MGA_HAL(xf86SetCrtcForModes(pScrn, 0)); +#endif + MGA_NOT_HAL(xf86SetCrtcForModes(pScrn, INTERLACE_HALVE_V)); + + /* Set the current mode to the first in the list */ + pScrn->currentMode = pScrn->modes; + + /* Print the list of modes being used */ + xf86PrintModes(pScrn); + + /* Set display resolution */ + xf86SetDpi(pScrn, 0, 0); + + /* + * Compute the byte offset into the linear frame buffer where the + * frame buffer data should actually begin. According to DDK misc.c + * line 1023, if more than 4MB is to be displayed, YDSTORG must be set + * appropriately to align memory bank switching, and this requires a + * corresponding offset on linear frame buffer access. + * This is only needed for WRAM. + */ + + pMga->YDstOrg = 0; + if (((pMga->Chipset == PCI_CHIP_MGA2064) || + (pMga->Chipset == PCI_CHIP_MGA2164) || + (pMga->Chipset == PCI_CHIP_MGA2164_AGP)) && + (pScrn->virtualX * pScrn->virtualY * bytesPerPixel > 4*1024*1024)) + { + int offset, offset_modulo, ydstorg_modulo; + + offset = (4*1024*1024) % (pScrn->displayWidth * bytesPerPixel); + offset_modulo = 4; + ydstorg_modulo = 64; + if (pScrn->bitsPerPixel == 24) + offset_modulo *= 3; + if (pMga->Interleave) + { + offset_modulo <<= 1; + ydstorg_modulo <<= 1; + } + pMga->YDstOrg = offset / bytesPerPixel; + + /* + * When this was unconditional, it caused a line of horizontal garbage + * at the middle right of the screen at the 4Meg boundary in 32bpp + * (and presumably any other modes that use more than 4M). But it's + * essential for 24bpp (it may not matter either way for 8bpp & 16bpp, + * I'm not sure; I didn't notice problems when I checked with and + * without.) + * DRM Doug Merritt 12/97, submitted to XFree86 6/98 (oops) + */ + if (bytesPerPixel < 4) { + while ((offset % offset_modulo) != 0 || + (pMga->YDstOrg % ydstorg_modulo) != 0) { + offset++; + pMga->YDstOrg = offset / bytesPerPixel; + } + } + } + + xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 2, "YDstOrg is set to %d\n", + pMga->YDstOrg); + if(pMga->DualHeadEnabled) { + if(pMga->SecondCrtc == FALSE) { + pMga->FbUsableSize = pMgaEnt->masterFbMapSize; + /* Allocate HW cursor buffer at the end of video ram */ + if( pMga->HWCursor && pMga->Dac.CursorOffscreenMemSize ) { + if( pScrn->virtualY * pScrn->displayWidth * + pScrn->bitsPerPixel / 8 <= + pMga->FbUsableSize - pMga->Dac.CursorOffscreenMemSize ) { + pMga->FbUsableSize -= pMga->Dac.CursorOffscreenMemSize; + pMga->FbCursorOffset = + pMgaEnt->masterFbMapSize - + pMga->Dac.CursorOffscreenMemSize; + } else { + pMga->HWCursor = FALSE; + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Too little offscreen memory for HW cursor; " + "using SW cursor\n"); + } + } + } else { /* Second CRTC */ + pMga->FbUsableSize = pMgaEnt->slaveFbMapSize; + pMga->HWCursor = FALSE; + } + } else { + pMga->FbUsableSize = pMga->FbMapSize - pMga->YDstOrg * bytesPerPixel; + /* Allocate HW cursor buffer at the end of video ram */ + if( pMga->HWCursor && pMga->Dac.CursorOffscreenMemSize ) { + if( pScrn->virtualY * pScrn->displayWidth * + pScrn->bitsPerPixel / 8 <= + pMga->FbUsableSize - pMga->Dac.CursorOffscreenMemSize ) { + pMga->FbUsableSize -= pMga->Dac.CursorOffscreenMemSize; + pMga->FbCursorOffset = + pMga->FbMapSize - pMga->Dac.CursorOffscreenMemSize; + } else { + pMga->HWCursor = FALSE; + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Too little offscreen memory for HW cursor; " + "using SW cursor\n"); + } + } + } + /* + * XXX This should be taken into account in some way in the mode valdation + * section. + */ + + + /* Load the required framebuffer */ + if (pMga->Overlay8Plus24) { + if (!xf86LoadSubModule(pScrn, "xf8_32bpp")) { + MGAFreeRec(pScrn); + return FALSE; + } + xf86LoaderReqSymLists(xf8_32bppSymbols, NULL); + } else { + if (!xf86LoadSubModule(pScrn, "fb")) { + MGAFreeRec(pScrn); + return FALSE; + } + xf86LoaderReqSymLists(fbSymbols, NULL); + } + + + /* Load XAA if needed */ + if (!pMga->NoAccel) { + if (!xf86LoadSubModule(pScrn, "xaa")) { + MGAFreeRec(pScrn); + return FALSE; + } + xf86LoaderReqSymLists(xaaSymbols, NULL); + } + + /* Load ramdac if needed */ + if (pMga->HWCursor) { + if (!xf86LoadSubModule(pScrn, "ramdac")) { + MGAFreeRec(pScrn); + return FALSE; + } + xf86LoaderReqSymLists(ramdacSymbols, NULL); + } + + /* Load shadowfb if needed */ + if (pMga->ShadowFB) { + if (!xf86LoadSubModule(pScrn, "shadowfb")) { + MGAFreeRec(pScrn); + return FALSE; + } + xf86LoaderReqSymLists(shadowSymbols, NULL); + } + + pMga->CurrentLayout.bitsPerPixel = pScrn->bitsPerPixel; + pMga->CurrentLayout.depth = pScrn->depth; + pMga->CurrentLayout.displayWidth = pScrn->displayWidth; + pMga->CurrentLayout.weight.red = pScrn->weight.red; + pMga->CurrentLayout.weight.green = pScrn->weight.green; + pMga->CurrentLayout.weight.blue = pScrn->weight.blue; + pMga->CurrentLayout.Overlay8Plus24 = pMga->Overlay8Plus24; + pMga->CurrentLayout.mode = pScrn->currentMode; + + + + if(pMga->MergedFB) { + MGAPreInitMergedFB(pScrn,flags); + }; + + +#ifdef USEMGAHAL + MGA_HAL( + /* Close the library after preinit */ + /* This needs to only happen after this board has completed preinit + * both times + */ + + if(pMga->DualHeadEnabled) { + /* Entity is shared make sure refcount == 2 */ + /* If ref count is 2 then reset it to 0 */ + if(pMgaEnt->refCount == 2) { + /* Both boards have done there initialization */ + MGACloseLibrary(pMga->pBoard); + + if (pMga->pBoard) + xfree(pMga->pBoard); + if (pMga->pClientStruct) + xfree(pMga->pClientStruct); + if (pMga->pMgaModeInfo) + xfree(pMga->pMgaModeInfo); + if (pMga->pMgaHwInfo) + xfree(pMga->pMgaHwInfo); + pMgaEnt->refCount = 0; + } + } else { + MGACloseLibrary(pMga->pBoard); + + if (pMga->pBoard) + xfree(pMga->pBoard); + if (pMga->pClientStruct) + xfree(pMga->pClientStruct); + if (pMga->pMgaModeInfo) + xfree(pMga->pMgaModeInfo); + if (pMga->pMgaHwInfo) + xfree(pMga->pMgaHwInfo); + } + + ); /* MGA_HAL */ +#endif + + xf86SetPrimInitDone(pScrn->entityList[0]); + + return TRUE; +} + + +/* + * Map the framebuffer and MMIO memory. + */ + +static Bool +MGAMapMem(ScrnInfoPtr pScrn) +{ + MGAPtr pMga; + + pMga = MGAPTR(pScrn); + + /* + * Map IO registers to virtual address space + */ + /* + * For Alpha, we need to map SPARSE memory, since we need + * byte/short access. This is taken care of automatically by the + * os-support layer. + */ + pMga->IOBase = xf86MapPciMem(pScrn->scrnIndex, + VIDMEM_MMIO | VIDMEM_READSIDEEFFECT, + pMga->PciTag, pMga->IOAddress, 0x4000); + if (pMga->IOBase == NULL) + return FALSE; + + pMga->FbBase = xf86MapPciMem(pScrn->scrnIndex, VIDMEM_FRAMEBUFFER, + pMga->PciTag, pMga->FbAddress, + pMga->FbMapSize); + if (pMga->FbBase == NULL) + return FALSE; + + pMga->FbStart = pMga->FbBase + pMga->YDstOrg * (pScrn->bitsPerPixel / 8); + + + /* Map the ILOAD transfer window if there is one. We only make + DWORD access on DWORD boundaries to this window */ + if (pMga->ILOADAddress) { + pMga->ILOADBase = xf86MapPciMem(pScrn->scrnIndex, + VIDMEM_MMIO | VIDMEM_MMIO_32BIT | + VIDMEM_READSIDEEFFECT, + pMga->PciTag, pMga->ILOADAddress, 0x800000); + } else + pMga->ILOADBase = NULL; + + return TRUE; +} + +static Bool +MGAMapMemFBDev(ScrnInfoPtr pScrn) +{ + MGAPtr pMga; + + pMga = MGAPTR(pScrn); + + pMga->FbBase = fbdevHWMapVidmem(pScrn); + if (pMga->FbBase == NULL) + return FALSE; + + pMga->IOBase = fbdevHWMapMMIO(pScrn); + if (pMga->IOBase == NULL) + return FALSE; + + pMga->FbStart = pMga->FbBase + pMga->YDstOrg * (pScrn->bitsPerPixel / 8); + +#if 1 /* can't ask matroxfb for a mapping of the iload window */ + + /* Map the ILOAD transfer window if there is one. We only make + DWORD access on DWORD boundaries to this window */ + if(pMga->ILOADAddress) + pMga->ILOADBase = xf86MapPciMem(pScrn->scrnIndex, VIDMEM_MMIO, + pMga->PciTag, pMga->ILOADAddress, 0x800000); + else pMga->ILOADBase = NULL; +#endif + return TRUE; +} + + + +/* + * Unmap the framebuffer and MMIO memory. + */ + +static Bool +MGAUnmapMem(ScrnInfoPtr pScrn) +{ + MGAPtr pMga; + + pMga = MGAPTR(pScrn); + + /* + * Unmap IO registers to virtual address space + */ + xf86UnMapVidMem(pScrn->scrnIndex, (pointer)pMga->IOBase, 0x4000); + pMga->IOBase = NULL; + + xf86UnMapVidMem(pScrn->scrnIndex, (pointer)pMga->FbBase, pMga->FbMapSize); + pMga->FbBase = NULL; + pMga->FbStart = NULL; + + if(pMga->ILOADBase) + xf86UnMapVidMem(pScrn->scrnIndex, (pointer)pMga->ILOADBase, 0x800000); + pMga->ILOADBase = NULL; + return TRUE; +} + +static Bool +MGAUnmapMemFBDev(ScrnInfoPtr pScrn) +{ + MGAPtr pMga; + + pMga = MGAPTR(pScrn); + fbdevHWUnmapVidmem(pScrn); + pMga->FbBase = NULL; + pMga->FbStart = NULL; + fbdevHWUnmapMMIO(pScrn); + pMga->IOBase = NULL; + /* XXX ILOADBase */ + return TRUE; +} + + + + +/* + * This function saves the video state. + */ +static void +MGASave(ScrnInfoPtr pScrn) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + vgaRegPtr vgaReg = &hwp->SavedReg; + MGAPtr pMga = MGAPTR(pScrn); + MGARegPtr mgaReg = &pMga->SavedReg; + + if(pMga->SecondCrtc == TRUE) return; +#ifdef USEMGAHAL + MGA_HAL(if (pMga->pBoard != NULL) MGASaveVgaState(pMga->pBoard)); +#endif + + /* I need to save the registers for the second head also */ + /* Save the register for 0x80 to 0xa0 */ + /* Could call it dac2Saved */ + + /* Only save text mode fonts/text for the primary card */ + (*pMga->Save)(pScrn, vgaReg, mgaReg, pMga->Primary); +} + +#ifdef USEMGAHAL +/* Convert DisplayModeRec parameters in MGAMODEINFO parameters. +* mode parameter optionnal. */ +void +MGAFillModeInfoStruct(ScrnInfoPtr pScrn, DisplayModePtr mode) +{ + const char *s; + MGAPtr pMga = MGAPTR(pScrn); + + Bool digital1 = FALSE; + Bool digital2 = FALSE; + Bool tv1 = FALSE; + Bool tv2 = FALSE; + Bool swap_head + = xf86ReturnOptValBool(pMga->Options, OPTION_SWAPPED_HEAD, FALSE); + + if(pMga->MergedFB && mode && mode->Private && (mode->PrivSize == 0)) { + mode = pMga->SecondCrtc ? + ((MergedDisplayModePtr)mode->Private)->Monitor2 + : ((MergedDisplayModePtr)mode->Private)->Monitor1; + } + + + if (pMga->pMgaHwInfo) + { + digital1 = ISDIGITAL1(pMga); + digital2 = ISDIGITAL2(pMga); + tv1 = ISTV1(pMga); + tv2 = ISTV2(pMga); + } + + /*FIXME: causes segfault elsewhere if not commented*/ + /*if(!pMga->pMgaModeInfo)*/ pMga->pMgaModeInfo = xalloc(sizeof(MGAMODEINFO)); + pMga->pMgaModeInfo->flOutput = 0; + pMga->pMgaModeInfo->ulDeskWidth = pScrn->virtualX; + pMga->pMgaModeInfo->ulDeskHeight = pScrn->virtualY; + pMga->pMgaModeInfo->ulFBPitch = 0; + pMga->pMgaModeInfo->ulBpp = pScrn->bitsPerPixel; + pMga->pMgaModeInfo->ulZoom = 1; + pMga->pMgaModeInfo->flSignalMode = 0x10; + + /* Set TV standard */ + if ((s = xf86GetOptValString(pMga->Options, OPTION_TVSTANDARD))) { + if (!xf86NameCmp(s, "PAL")) { + pMga->pMgaModeInfo->flSignalMode = 0x00; + pMga->pMgaModeInfo->ulRefreshRate = 50; + pMga->pMgaModeInfo->ulTVStandard = TV_PAL; + } else { + pMga->pMgaModeInfo->ulRefreshRate = 60; + pMga->pMgaModeInfo->ulTVStandard = TV_NTSC; + } + } else { + pMga->pMgaModeInfo->ulRefreshRate = 0; + pMga->pMgaModeInfo->ulTVStandard = TV_NTSC; + } + + /* Set Cable Type */ + if ((s = xf86GetOptValString(pMga->Options, OPTION_CABLETYPE))) { + if (!xf86NameCmp(s, "SCART_RGB")) { + pMga->pMgaModeInfo->ulCableType = TV_SCART_RGB; + } else if (!xf86NameCmp(s, "SCART_COMPOSITE")) { + pMga->pMgaModeInfo->ulCableType = TV_SCART_COMPOSITE; + } else if (!xf86NameCmp(s, "SCART_TYPE2")) { + pMga->pMgaModeInfo->ulCableType = TV_SCART_TYPE2; + } else { + pMga->pMgaModeInfo->ulCableType = TV_YC_COMPOSITE; + } + } else { + pMga->pMgaModeInfo->ulCableType = TV_YC_COMPOSITE; + } + + if(mode) { + pMga->pMgaModeInfo->ulHorizRate = 0; + pMga->pMgaModeInfo->ulDispWidth = mode->HDisplay; + pMga->pMgaModeInfo->ulDispHeight = mode->VDisplay; + pMga->pMgaModeInfo->ulPixClock = mode->Clock; + pMga->pMgaModeInfo->ulHFPorch = mode->HSyncStart - mode->HDisplay; + pMga->pMgaModeInfo->ulHSync = mode->HSyncEnd - mode->HSyncStart; + pMga->pMgaModeInfo->ulHBPorch = mode->HTotal - mode->HSyncEnd; + pMga->pMgaModeInfo->ulVFPorch = mode->VSyncStart - mode->VDisplay; + pMga->pMgaModeInfo->ulVSync = mode->VSyncEnd - mode->VSyncStart; + pMga->pMgaModeInfo->ulVBPorch = mode->VTotal - mode->VSyncEnd; + } + /* Use DstOrg directly */ + /* This is an offset in pixels not memory */ + pMga->pMgaModeInfo->ulDstOrg = pMga->DstOrg / (pScrn->bitsPerPixel / 8); + pMga->pMgaModeInfo->ulDisplayOrg = pMga->DstOrg / (pScrn->bitsPerPixel / 8); + pMga->pMgaModeInfo->ulPanXGran = 0; + pMga->pMgaModeInfo->ulPanYGran = 0; + + if(pMga->SecondCrtc == TRUE) { + pMga->pMgaModeInfo->flOutput = MGAMODEINFO_SECOND_CRTC | + MGAMODEINFO_FORCE_PITCH | + MGAMODEINFO_FORCE_DISPLAYORG; + if (digital2) { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_DIGITAL2; + } else if (tv2) { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_TV; + } else { + if (!swap_head) { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_ANALOG2; + } else { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_ANALOG1; + } + } + } else { + pMga->pMgaModeInfo->flOutput = MGAMODEINFO_FORCE_PITCH; + if (digital1) { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_DIGITAL1; + } else if (tv1) { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_TV; + } else { + if (!swap_head) { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_ANALOG1; + } else { + pMga->pMgaModeInfo->flOutput |= MGAMODEINFO_ANALOG2; + } + } + } + pMga->pMgaModeInfo->ulFBPitch = pScrn->displayWidth; +} +#endif + +/* + * Initialise a new mode. This is currently still using the old + * "initialise struct, restore/write struct to HW" model. That could + * be changed. + */ + +static Bool +MGAModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + vgaRegPtr vgaReg; + MGAPtr pMga = MGAPTR(pScrn); + MGARegPtr mgaReg; + +#ifdef USEMGAHAL + ULONG status; +#endif + vgaHWUnlock(hwp); + +/* if(pMga->MergedFB && mode && mode->Private && (mode->PrivSize == 0)) { + mode = (DisplayModePtr)mode->Private; + }*/ + + /* Initialise the ModeReg values */ + if (!vgaHWInit(pScrn, mode)) + return FALSE; + pScrn->vtSema = TRUE; + + if (!(*pMga->ModeInit)(pScrn, mode)) + return FALSE; + + /* Program the registers */ + vgaHWProtect(pScrn, TRUE); + vgaReg = &hwp->ModeReg; + mgaReg = &pMga->ModeReg; +#ifdef USEMGAHAL + MGA_HAL( + MGAFillModeInfoStruct(pScrn,mode); + + /* Validate the parameters */ + if ((status = MGAValidateMode(pMga->pBoard, pMga->pMgaModeInfo)) != 0) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "MGAValidateMode from HALlib found the mode to be invalid.\n" + "\tError: %lx\n", status); + return FALSE; + } + + /* + * Find mode for second head. + */ + if(pMga->MergedFB) { + + MGAFillModeInfoStruct(pMga->pScrn2,mode); + /* Validates the Video parameters */ + if ((status = MGAValidateVideoParameters(pMga->pBoard, MGAPTR(pMga->pScrn2)->pMgaModeInfo)) + != 0) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "MGAValidateVideoParameters from HALlib found the mode to be invalid.\n\tError: %lx\n", status); + return FALSE; + } + } + ); /*MGA_HAL */ + +#endif + +#ifdef USEMGAHAL +MGA_HAL( + + /*************************** ESC *****************************/ + TmpMgaModeInfo[0] = *pMga->pMgaModeInfo; + + if(pMga->SecondCrtc == TRUE) + pMgaModeInfo[1] = pMga->pMgaModeInfo; + else + pMgaModeInfo[0] = pMga->pMgaModeInfo; + + TmpMgaModeInfo[0].ulDispWidth = 0; + + if(!pMga->MergedFB) /* FIXME: Must deal with this once PowerDesk & MergedFB + compatibility will exist */ + MGAFillDisplayModeStruct(mode, pMga->pMgaModeInfo); + /*************************************************************/ + +); /* MGA_HAL */ +#endif + +#ifdef XF86DRI + if (pMga->directRenderingEnabled) { + DRILock(screenInfo.screens[pScrn->scrnIndex], 0); + } +#endif + +#ifdef USEMGAHAL + MGA_HAL( + /* Initialize the board */ + if(MGASetMode(pMga->pBoard,pMga->pMgaModeInfo) != 0) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "MGASetMode returned an error." + " Make sure to validate the mode before.\n"); + return FALSE; + } + if(pMga->MergedFB + && MGASetMode(pMga->pBoard,MGAPTR(pMga->pScrn2)->pMgaModeInfo) != 0) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "MGASetMode returned an error." + " Make sure to validate the mode before.\n"); + } + + ); /* MGA_HAL */ + + /* getting around bugs in the HAL lib. MATROX: hint, hint. */ + MGA_HAL( + switch (pMga->Chipset) { + case PCI_CHIP_MGA1064: + case PCI_CHIP_MGAG100: + case PCI_CHIP_MGAG100_PCI: + case PCI_CHIP_MGAG200: + case PCI_CHIP_MGAG200_PCI: + case PCI_CHIP_MGAG400: + case PCI_CHIP_MGAG550: + if(pMga->SecondCrtc == FALSE && pMga->HWCursor == TRUE) { + outMGAdac(MGA1064_CURSOR_BASE_ADR_LOW, + pMga->FbCursorOffset >> 10); + outMGAdac(MGA1064_CURSOR_BASE_ADR_HI, + pMga->FbCursorOffset >> 18); + outMGAdac(MGA1064_CURSOR_CTL, 0x00); + } + if (pMga->Overlay8Plus24 == TRUE) { + outMGAdac(MGA1064_MUL_CTL, MGA1064_MUL_CTL_32bits); + outMGAdac(MGA1064_COL_KEY_MSK_LSB,0xFF); + outMGAdac(MGA1064_COL_KEY_LSB,pMga->colorKey); + outMGAdac(MGA1064_COL_KEY_MSK_MSB,0xFF); + outMGAdac(MGA1064_COL_KEY_MSB,0xFF); + } + break; + default: + break; + } + ); /* MGA_HAL */ +#endif + + MGA_NOT_HAL((*pMga->Restore)(pScrn, vgaReg, mgaReg, FALSE)); + + MGAStormSync(pScrn); + MGAStormEngineInit(pScrn); + + vgaHWProtect(pScrn, FALSE); + + if (xf86IsPc98()) { + if (pMga->Chipset == PCI_CHIP_MGA2064) + outb(0xfac, 0x01); + else + outb(0xfac, 0x02); + } + + pMga->CurrentLayout.mode = mode; + + if(pMga->MergedFB && mode->Private && (mode->PrivSize == 0)) { + pMga->M1currentMode = (DisplayModePtr)mode->Private; + } + +#ifdef XF86DRI + if (pMga->directRenderingEnabled) + DRIUnlock(screenInfo.screens[pScrn->scrnIndex]); +#endif +#ifdef DEBUG + MGAG450PrintPLL(pScrn); +#endif + return TRUE; +} + +static +void MGARestoreSecondCrtc(ScrnInfoPtr pScrn) +{ + MGAPtr pMga = MGAPTR(pScrn); + + if (MGAISGx50(pMga)) { + /* Force to return in clone mode */ + if (pMga->SecondOutput + && (xf86IsEntityShared(pScrn->entityList[0]) || pMga->SecondCrtc) + && !pMga->MergedFB) { + /* Do this branch if + * SecondOutput + * and not Unshared Primary + * and not Merged Mode (usualy means Unshared Primary) + */ + CARD8 ucXDispCtrl = inMGAdac(MGA1064_DISP_CTL); + + ucXDispCtrl &= ~0x0c; /* dac2outsel mask */ + ucXDispCtrl |= 0x04; /* dac2 -> crtc1 */ + + outMGAdac(MGA1064_DISP_CTL, ucXDispCtrl); + + } else { + CARD8 ucXDispCtrl = inMGAdac(MGA1064_DISP_CTL); + CARD32 ulC2CTL = INREG(MGAREG_C2CTL); + + ucXDispCtrl &= ~0x0c; /* dac2outsel mask */ + ucXDispCtrl |= 0x5; /* dac1outsel -> crtcdacsel, dac2 -> crtc1 */ + ulC2CTL &= ~0x00100000; /* crtcdacsel -> crtc1 */ + + outMGAdac(MGA1064_DISP_CTL, ucXDispCtrl); + OUTREG(MGAREG_C2CTL, ulC2CTL); + } + + } else { + /* Force to close second crtc */ + CARD32 ulC2CTL = INREG(MGAREG_C2CTL); + + ulC2CTL &= ~0x1; /* crtc2 disabled */ + + OUTREG(MGAREG_C2CTL, ulC2CTL); + } + + return; +} + +/* + * Restore the initial (text) mode. + */ +static void +MGARestore(ScrnInfoPtr pScrn) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + vgaRegPtr vgaReg = &hwp->SavedReg; + MGAPtr pMga = MGAPTR(pScrn); + MGARegPtr mgaReg = &pMga->SavedReg; + + if (pScrn->pScreen != NULL) + MGAStormSync(pScrn); + + /* + * Restore the second crtc if: + * first and only driver entity + * second entity + * Merged Framebuffer mode (first and only driver entity) + */ + if((!xf86IsEntityShared(pScrn->entityList[0]) && !pMga->SecondCrtc) + || pMga->SecondCrtc || pMga->MergedFB) { + /* if(pMga->MergedFB) { + if(pMga->pScrn2) + MGARestoreSecondCrtc(pMga->pScrn2); + } else*/ + MGARestoreSecondCrtc(pScrn); + /* if we are second instance of driver, we've done our job, exit */ + if(pMga->SecondCrtc) return; + } + + /* Only restore text mode fonts/text for the primary card */ + vgaHWProtect(pScrn, TRUE); + if (pMga->Primary) { +#ifdef USEMGAHAL + MGA_HAL( + if(pMga->pBoard != NULL) { + MGASetVgaMode(pMga->pBoard); + MGARestoreVgaState(pMga->pBoard); + } + ); /* MGA_HAL */ +#endif + (*pMga->Restore)(pScrn, vgaReg, mgaReg, TRUE); + } else { + vgaHWRestore(pScrn, vgaReg, VGA_SR_MODE); + } + vgaHWProtect(pScrn, FALSE); +} + + +/* Workaround for a G400 CRTC2 display problem */ +static void +MGACrtc2FillStrip(ScrnInfoPtr pScrn) +{ + MGAPtr pMga = MGAPTR(pScrn); + + if (pMga->NoAccel) { + /* Clears the whole screen, but ... */ + bzero(pMga->FbStart, + (pScrn->bitsPerPixel >> 3) * pScrn->displayWidth * pScrn->virtualY); + } else { + xf86SetLastScrnFlag(pScrn->entityList[0], pScrn->scrnIndex); + pMga->RestoreAccelState(pScrn); + pMga->SetupForSolidFill(pScrn, 0, GXcopy, 0xFFFFFFFF); + pMga->SubsequentSolidFillRect(pScrn, pScrn->virtualX, 0, + pScrn->displayWidth - pScrn->virtualX, + pScrn->virtualY); + MGAStormSync(pScrn); + } +} + + +/* Mandatory */ + +/* This gets called at the start of each server generation */ + +static Bool +MGAScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) +{ + ScrnInfoPtr pScrn; + vgaHWPtr hwp; + MGAPtr pMga; + MGARamdacPtr MGAdac; + int ret; + VisualPtr visual; + unsigned char *FBStart; + int width, height, displayWidth; + MGAEntPtr pMgaEnt = NULL; + int f; +#ifdef XF86DRI + MessageType driFrom = X_DEFAULT; +#endif + + /* + * First get the ScrnInfoRec + */ + pScrn = xf86Screens[pScreen->myNum]; + + hwp = VGAHWPTR(pScrn); + pMga = MGAPTR(pScrn); + MGAdac = &pMga->Dac; + + + /* Map the MGA memory and MMIO areas */ + if (pMga->FBDev) { + if (!MGAMapMemFBDev(pScrn)) + return FALSE; + } else { + if (!MGAMapMem(pScrn)) + return FALSE; + } + + if ((pMga->Chipset == PCI_CHIP_MGAG100) + || (pMga->Chipset == PCI_CHIP_MGAG100_PCI)) + MGAG100BlackMagic(pMga); + + if (pMga->DualHeadEnabled) { + DevUnion *pPriv; + pPriv = xf86GetEntityPrivate(pScrn->entityList[0], MGAEntityIndex); + pMgaEnt = pPriv->ptr; + pMgaEnt->refCount++; +#ifdef USEMGAHAL + MGA_HAL( + if(pMgaEnt->refCount == 1) { + CARD8 MiscCtlReg; + pMga->pBoard = xalloc(sizeof(CLIENTDATA) + MGAGetBOARDHANDLESize()); + pMga->pClientStruct = xalloc(sizeof(CLIENTDATA)); + pMga->pClientStruct->pMga = (MGAPtr) pMga; + + /* wrapping OpenLibrary to fix broken registers. MATROX: hint,hint.*/ + MiscCtlReg = inMGAdac(MGA1064_MISC_CTL); + MGAOpenLibrary(pMga->pBoard,pMga->pClientStruct,sizeof(CLIENTDATA)); + outMGAdac(MGA1064_MISC_CTL,MiscCtlReg); + pMga->pMgaHwInfo = xalloc(sizeof(MGAHWINFO)); + MGAGetHardwareInfo(pMga->pBoard,pMga->pMgaHwInfo); + + /* Detecting for type of display */ + if (pMga->pMgaHwInfo->ulCapsSecondOutput & MGAHWINFOCAPS_OUTPUT_TV) { + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "TV detected\n"); + } + if (pMga->pMgaHwInfo->ulCapsFirstOutput & + MGAHWINFOCAPS_OUTPUT_DIGITAL) { + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Digital Screen detected\n"); + } + if (pMga->pMgaHwInfo->ulCapsSecondOutput & + MGAHWINFOCAPS_OUTPUT_DIGITAL) { + xf86DrvMsg(pScrn->scrnIndex, X_PROBED, + "Digital Screen detected\n"); + } + + /* Now copy these to the entitystructure */ + pMgaEnt->pClientStruct = pMga->pClientStruct; + pMgaEnt->pBoard = pMga->pBoard; + pMgaEnt->pMgaHwInfo = pMga->pMgaHwInfo; + } else { /* Ref count is 2 */ + pMga->pClientStruct = pMgaEnt->pClientStruct; + pMga->pBoard = pMgaEnt->pBoard; + pMga->pMgaHwInfo = pMgaEnt->pMgaHwInfo; + } + ); /* MGA_HAL */ +#endif + } else { +#ifdef USEMGAHAL + CARD8 MiscCtlReg; + + MGA_HAL( + pMga->pBoard = xalloc(sizeof(CLIENTDATA) + MGAGetBOARDHANDLESize()); + pMga->pClientStruct = xalloc(sizeof(CLIENTDATA)); + pMga->pClientStruct->pMga = (MGAPtr) pMga; + + MiscCtlReg = inMGAdac(MGA1064_MISC_CTL); + /* wrapping OpenLibrary to fix broken registers. MATROX: hint,hint.*/ + MGAOpenLibrary(pMga->pBoard,pMga->pClientStruct,sizeof(CLIENTDATA)); + outMGAdac(MGA1064_MISC_CTL,MiscCtlReg); + pMga->pMgaHwInfo = xalloc(sizeof(MGAHWINFO)); + MGAGetHardwareInfo(pMga->pBoard,pMga->pMgaHwInfo); + ); /* MGA_HAL */ +#endif + } +#ifdef USEMGAHAL + MGA_HAL( + /* There is a problem in the HALlib: set soft reset bit */ + /* MATROX: hint, hint. */ + if (!pMga->Primary && !pMga->FBDev && + (pMga->PciInfo->subsysCard == PCI_CARD_MILL_G200_SG) ) { + OUTREG(MGAREG_Reset, 1); + usleep(200); + OUTREG(MGAREG_Reset, 0); + } + ); /* MGA_HAL */ +#endif + + /* Initialise the MMIO vgahw functions */ + vgaHWSetMmioFuncs(hwp, pMga->IOBase, PORT_OFFSET); + vgaHWGetIOBase(hwp); + + /* Map the VGA memory when the primary video */ + if (pMga->Primary && !pMga->FBDev) { + hwp->MapSize = 0x10000; + if (!vgaHWMapMem(pScrn)) + return FALSE; + } + + if (pMga->FBDev) { + fbdevHWSave(pScrn); + /* Disable VGA core, and leave memory access on */ + pciSetBitsLong(pMga->PciTag, PCI_OPTION_REG, 0x100, 0x000); + if (!fbdevHWModeInit(pScrn, pScrn->currentMode)) + return FALSE; + if(pMga->SecondCrtc == FALSE && pMga->HWCursor == TRUE) { + switch (pMga->Chipset) { + case PCI_CHIP_MGA1064: + case PCI_CHIP_MGAG100: + case PCI_CHIP_MGAG100_PCI: + case PCI_CHIP_MGAG200: + case PCI_CHIP_MGAG200_PCI: + case PCI_CHIP_MGAG400: + case PCI_CHIP_MGAG550: + outMGAdac(MGA1064_CURSOR_BASE_ADR_LOW, pMga->FbCursorOffset >> 10); + outMGAdac(MGA1064_CURSOR_BASE_ADR_HI, pMga->FbCursorOffset >> 18); + break; + default: + break; + } + } + + MGAStormEngineInit(pScrn); + } else { + /* Save the current state */ + MGASave(pScrn); + /* Initialise the first mode */ + if (!MGAModeInit(pScrn, pScrn->currentMode)) + return FALSE; + } + /* Darken the screen for aesthetic reasons and set the viewport */ + if (pMga->SecondCrtc == TRUE && !pMga->MergedFB) { + MGASaveScreenCrtc2(pScreen, SCREEN_SAVER_ON); + } + if (pMga->SecondCrtc == FALSE && !pMga->MergedFB) { + MGASaveScreen(pScreen, SCREEN_SAVER_ON); + } + if( pMga->MergedFB ) { + MGASaveScreenMerged( pScreen, SCREEN_SAVER_ON ); + } + pScrn->AdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0); + + /* + * The next step is to setup the screen's visuals, and initialise the + * framebuffer code. In cases where the framebuffer's default + * choices for things like visual layouts and bits per RGB are OK, + * this may be as simple as calling the framebuffer's ScreenInit() + * function. If not, the visuals will need to be setup before calling + * a fb ScreenInit() function and fixed up after. + * + * For most PC hardware at depths >= 8, the defaults that cfb uses + * are not appropriate. In this driver, we fixup the visuals after. + */ + + /* + * Reset the visual list. + */ + miClearVisualTypes(); + + /* Setup the visuals we support. */ + + /* All MGA support DirectColor and can do overlays in 32bpp */ + if(pMga->Overlay8Plus24 && (pScrn->bitsPerPixel == 32)) { + if (!miSetVisualTypes(8, PseudoColorMask | GrayScaleMask, + pScrn->rgbBits, PseudoColor)) + return FALSE; + if (!miSetVisualTypes(24, TrueColorMask, pScrn->rgbBits, TrueColor)) + return FALSE; + } else if (pMga->SecondCrtc) { + /* No DirectColor on the second head */ + if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, + TrueColor)) + return FALSE; + if (!miSetPixmapDepths ()) + return FALSE; + } else { + if (!xf86SetDefaultVisual(pScrn, -1)) + return FALSE; + + if (!miSetVisualTypes(pScrn->depth, + miGetDefaultVisualMask(pScrn->depth), + pScrn->rgbBits, pScrn->defaultVisual)) + return FALSE; + if (!miSetPixmapDepths ()) + return FALSE; + } + + /* + * Call the framebuffer layer's ScreenInit function, and fill in other + * pScreen fields. + */ + + width = pScrn->virtualX; + height = pScrn->virtualY; + displayWidth = pScrn->displayWidth; + + + if(pMga->Rotate) { + height = pScrn->virtualX; + width = pScrn->virtualY; + } + + if(pMga->ShadowFB) { + pMga->ShadowPitch = BitmapBytePad(pScrn->bitsPerPixel * width); + pMga->ShadowPtr = xalloc(pMga->ShadowPitch * height); + displayWidth = pMga->ShadowPitch / (pScrn->bitsPerPixel >> 3); + FBStart = pMga->ShadowPtr; + } else { + pMga->ShadowPtr = NULL; + FBStart = pMga->FbStart; + } + +#ifdef XF86DRI + /* + * Setup DRI after visuals have been established, but before cfbScreenInit + * is called. cfbScreenInit will eventually call into the drivers + * InitGLXVisuals call back. + * The DRI does not work when textured video is enabled at this time. + */ + if (!xf86ReturnOptValBool(pMga->Options, OPTION_DRI, TRUE)) { + driFrom = X_CONFIG; + } else if ( pMga->NoAccel ) { + xf86DrvMsg( pScrn->scrnIndex, X_ERROR, + "Acceleration disabled, not initializing the DRI\n" ); + pMga->directRenderingEnabled = FALSE; + driFrom = X_CONFIG; + } + else if ( pMga->TexturedVideo == TRUE ) { + xf86DrvMsg( pScrn->scrnIndex, X_ERROR, + "Textured video enabled, not initializing the DRI\n" ); + pMga->directRenderingEnabled = FALSE; + driFrom = X_CONFIG; + } + else if (pMga->SecondCrtc == TRUE) { + xf86DrvMsg( pScrn->scrnIndex, X_ERROR, + "Not initializing the DRI on the second head\n" ); + pMga->directRenderingEnabled = FALSE; + } + else if ((pMga->FbMapSize / + (width * (pScrn->bitsPerPixel >> 3))) <= height * 3) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Static buffer allocation failed, not initializing the DRI\n"); + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Need at least %d kB video memory at this resolution, bit depth\n", + (3 * displayWidth * height * (pScrn->bitsPerPixel >> 3)) / 1024 ); + pMga->directRenderingEnabled = FALSE; + driFrom = X_PROBED; + } + else { + pMga->directRenderingEnabled = MGADRIScreenInit(pScreen); + } +#endif + + + if (pMga->Overlay8Plus24) { + ret = cfb8_32ScreenInit(pScreen, FBStart, + width, height, + pScrn->xDpi, pScrn->yDpi, + displayWidth); + } else { + ret = fbScreenInit(pScreen, FBStart, width, height, + pScrn->xDpi, pScrn->yDpi, + displayWidth, pScrn->bitsPerPixel); + } + + 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 (!pMga->Overlay8Plus24) + fbPictureInit (pScreen, 0, 0); + + xf86SetBlackWhitePixels(pScreen); + + pMga->BlockHandler = pScreen->BlockHandler; + pScreen->BlockHandler = MGABlockHandler; + + if(!pMga->ShadowFB) /* hardware cursor needs to wrap this layer */ + MGADGAInit(pScreen); + + if (!pMga->NoAccel) + MGAStormAccelInit(pScreen); + + miInitializeBackingStore(pScreen); + xf86SetBackingStore(pScreen); + xf86SetSilkenMouse(pScreen); + + /* Initialize software cursor. + Must precede creation of the default colormap */ + miDCInitialize(pScreen, xf86GetPointerScreenFuncs()); + + /* Initialize HW cursor layer. + Must follow software cursor initialization*/ + if (pMga->HWCursor) { + if(!MGAHWCursorInit(pScreen)) + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Hardware cursor initialization failed\n"); + } + if(pMga->MergedFB) { + /* Rotate and MergedFB are mutiualy exclusive, so we can use this + * variable. + */ + if (!pMga->PointerMoved) + pMga->PointerMoved = pScrn->PointerMoved; + pScrn->PointerMoved = MGAMergePointerMoved; + + } + + /* Initialise default colourmap */ + if (!miCreateDefColormap(pScreen)) + return FALSE; + + /* Initialize colormap layer. + Must follow initialization of the default colormap */ + if (!pMga->SecondCrtc) + f = CMAP_PALETTED_TRUECOLOR | CMAP_RELOAD_ON_MODE_SWITCH; + else + f = CMAP_RELOAD_ON_MODE_SWITCH; + if(!xf86HandleColormaps(pScreen, 256, 8, + (pMga->FBDev ? fbdevHWLoadPalette : MGAdac->LoadPalette), NULL, f)) + return FALSE; + + if(pMga->Overlay8Plus24) { /* Must come after colormap initialization */ + if(!xf86Overlay8Plus32Init(pScreen)) + return FALSE; + } + + if(pMga->ShadowFB) { + RefreshAreaFuncPtr refreshArea = MGARefreshArea; + + if(pMga->Rotate) { + if (!pMga->PointerMoved) { + pMga->PointerMoved = pScrn->PointerMoved; + pScrn->PointerMoved = MGAPointerMoved; + } + + switch(pScrn->bitsPerPixel) { + case 8: refreshArea = MGARefreshArea8; break; + case 16: refreshArea = MGARefreshArea16; break; + case 24: refreshArea = MGARefreshArea24; break; + case 32: refreshArea = MGARefreshArea32; break; + } + } + + ShadowFBInit(pScreen, refreshArea); + } + + if(pMga->SecondCrtc == TRUE && !pMga->MergedFB) { + xf86DPMSInit(pScreen, MGADisplayPowerManagementSetCrtc2, 0); + } + if(pMga->SecondCrtc == FALSE && !pMga->MergedFB) { + xf86DPMSInit(pScreen, MGADisplayPowerManagementSet, 0); + } + if(pMga->MergedFB) { + xf86DPMSInit(pScreen, MGADisplayPowerManagementSetMerged, 0); + } + + pScrn->memPhysBase = pMga->FbAddress; + pScrn->fbOffset = pMga->YDstOrg * (pScrn->bitsPerPixel / 8); + + if(!pMga->MergedFB) { + if(pMga->SecondCrtc == TRUE) { + pScreen->SaveScreen = MGASaveScreenCrtc2; + } else { + pScreen->SaveScreen = MGASaveScreen; + } + } else { /* Merged FB */ + pScreen->SaveScreen = MGASaveScreenMerged; + } + + MGAInitVideo(pScreen); + +#ifdef XF86DRI + if (pMga->directRenderingEnabled) { + /* Now that mi, cfb, drm and others have done their thing, + * complete the DRI setup. + */ + pMga->directRenderingEnabled = MGADRIFinishScreenInit(pScreen); + } + if (pMga->directRenderingEnabled) { + xf86DrvMsg(pScrn->scrnIndex, driFrom, "Direct rendering enabled\n"); + } else { + xf86DrvMsg(pScrn->scrnIndex, driFrom, "Direct rendering disabled\n"); + } + if (pMga->DualHeadEnabled && pMga->SecondCrtc == FALSE) + pMgaEnt->directRenderingEnabled = pMga->directRenderingEnabled; + pMga->haveQuiescense = 1; +#endif + + /* Wrap the current CloseScreen function */ + pMga->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = MGACloseScreen; + + /* Report any unused options (only for the first generation) */ + if (serverGeneration == 1) { + xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); + } + + /* For the second head, work around display problem. */ + if (!pMga->MergedFB && pMga->SecondCrtc) { + MGACrtc2FillStrip(pScrn); + } + + /* Done */ + return TRUE; +} + + +/* Usually mandatory */ +Bool +MGASwitchMode(int scrnIndex, DisplayModePtr mode, int flags) +{ +#ifdef USEMGAHAL + char sCmdIn[256]; + char sCmdOut[256]; + FILE* fdIn; + FILE* fdOut; +#endif + MGAPtr pMga; + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + pMga = MGAPTR(pScrn); + + if (mode->Flags & 0x80000000) { +#ifdef USEMGAHAL + MGA_HAL( + fdIn = fopen("/tmp/mgaDriverIn", "rt"); + fdOut = fopen("/tmp/mgaDriverOut", "wt"); + + if(fdIn && fdOut) + { + + fgets(sCmdIn, 255, fdIn); + + if(sCmdIn) + { + + MGAExecuteEscCmd(xf86Screens[scrnIndex], sCmdIn, sCmdOut, mode); + + /* Remove file and close file descriptor */ + remove("/tmp/mgaDriverIn"); + fclose(fdIn); + + /* Write output data to output file for calling application */ + fputs(sCmdOut, fdOut); + fclose(fdOut); + + mode->Flags &= 0x7FFFFFFF; + return TRUE; + } + else + { + mode->Flags &= 0x7FFFFFFF; + return FALSE; + } + } + else + { + mode->Flags &= 0x7FFFFFFF; + return FALSE; + } + ) +#endif + return FALSE; + } else + return MGAModeInit(xf86Screens[scrnIndex], mode); +} + + /* Adjusts coordinates to match Panning granularity. + * does nothing if the HALlib is not loaded + */ +void +MGAAdjustGranularity(ScrnInfoPtr pScrn, int* x, int* y) +{ +#ifdef USEMGAHAL + MGA_HAL( + MGAPtr pMga = MGAPTR(pScrn); + MGAPtr pMga2; + int xg = 1; + int yg = 1; + if(pMga->pMgaModeInfo && pMga->pMgaModeInfo->ulPanXGran && pMga->pMgaModeInfo->ulPanYGran) { + xg = pMga->pMgaModeInfo->ulPanXGran; + yg = pMga->pMgaModeInfo->ulPanYGran; + } + if(pMga->pScrn2 && (pMga2 = MGAPTR(pMga->pScrn2)) ) { + + if(pMga2->pMgaModeInfo && pMga2->pMgaModeInfo->ulPanXGran && pMga2->pMgaModeInfo->ulPanYGran) { + xg = max(xg,pMga2->pMgaModeInfo->ulPanXGran); + yg = max(yg,pMga2->pMgaModeInfo->ulPanYGran); + } + } + xg=16; /*ncoder: temporary */ + *x -= *x % xg; + *y -= *y % yg; + ); +#endif +} + + +/* + * This function is used to initialize the Start Address - the first + * displayed location in the video memory. + */ +/* Usually mandatory */ +void +MGAAdjustFrame(int scrnIndex, int x, int y, int flags) +{ + ScrnInfoPtr pScrn; + int Base, tmp, count; + + MGAFBLayout *pLayout; + MGAPtr pMga; + + + pScrn = xf86Screens[scrnIndex]; + pMga = MGAPTR(pScrn); + pLayout = &pMga->CurrentLayout; + + /* wanted to improve panning granularity problems without risking + * compatibility issues. Existing code looked hardware dependent. + */ +#ifdef USEMGAHAL + MGA_HAL( + pMga->HALGranularityOffX = x; + pMga->HALGranularityOffY = y; + MGAAdjustGranularity(pScrn,&x,&y); + pMga->HALGranularityOffX = pMga->HALGranularityOffX - x; + pMga->HALGranularityOffY = pMga->HALGranularityOffY - y; + HALSetDisplayStart(pMga->pBoard,x,y,0); + ); +#endif + MGA_NOT_HAL( + if(pMga->ShowCache && y && pScrn->vtSema) + y += pScrn->virtualY - 1; + + Base = (y * pLayout->displayWidth + x + pMga->YDstOrg) >> + (3 - pMga->BppShifts[(pLayout->bitsPerPixel >> 3) - 1]); + + if (pLayout->bitsPerPixel == 24) { + if (pMga->Chipset == PCI_CHIP_MGAG400 || pMga->Chipset == PCI_CHIP_MGAG550) + Base &= ~1; /*1 Not sure why */ + Base *= 3; + } + + /* find start of retrace */ + while (INREG8(0x1FDA) & 0x08); + while (!(INREG8(0x1FDA) & 0x08)); + /* wait until we're past the start (fixseg.c in the DDK) */ + count = INREG(MGAREG_VCOUNT) + 2; + while(INREG(MGAREG_VCOUNT) < count); + + OUTREG16(MGAREG_CRTC_INDEX, (Base & 0x00FF00) | 0x0C); + OUTREG16(MGAREG_CRTC_INDEX, ((Base & 0x0000FF) << 8) | 0x0D); + OUTREG8(MGAREG_CRTCEXT_INDEX, 0x00); + tmp = INREG8(MGAREG_CRTCEXT_DATA); + OUTREG8(MGAREG_CRTCEXT_DATA, (tmp & 0xF0) | ((Base & 0x0F0000) >> 16)); + ); + +} + +#define C2STARTADD0 0x3C28 + +void +MGAAdjustFrameCrtc2(int scrnIndex, int x, int y, int flags) +{ + ScrnInfoPtr pScrn; + int Base; + MGAFBLayout *pLayout; + MGAPtr pMga; + + pScrn = xf86Screens[scrnIndex]; + pMga = MGAPTR(pScrn); + pLayout = &pMga->CurrentLayout; +#ifdef USEMGAHAL + MGA_HAL( + MGAAdjustGranularity(pScrn,&x,&y); + HALSetDisplayStart(pMga->pBoard,x,y,1); + ); +#endif + MGA_NOT_HAL( + if(pMga->ShowCache && y && pScrn->vtSema) + y += pScrn->virtualY - 1; + + /* 3-85 c2offset + * 3-93 c2startadd0 + * 3-96 c2vcount + */ + + Base = (y * pLayout->displayWidth + x) * pLayout->bitsPerPixel >> 3; + Base += pMga->DstOrg; + Base &= 0x01ffffc0; + OUTREG(C2STARTADD0, Base); + ); +} + +/* + * This is called when VT switching back to the X server. Its job is + * to reinitialise the video mode. + * + * We may wish to unmap video/MMIO memory too. + */ + +/* Mandatory */ +static Bool +MGAEnterVT(int scrnIndex, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + MGAPtr pMga; + + pMga = MGAPTR(pScrn); + +#ifdef XF86DRI + if (pMga->directRenderingEnabled) { + if (pMga->irq) { + /* Need to make sure interrupts are enabled */ + OUTREG(MGAREG_IEN, pMga->reg_ien); + } + DRIUnlock(screenInfo.screens[scrnIndex]); + } +#endif + + if (!MGAModeInit(pScrn, pScrn->currentMode)) + return FALSE; + pScrn->AdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0); + + /* For the second head, work around display problem. */ + if (pMga->SecondCrtc) { + MGACrtc2FillStrip(pScrn); + } + + return TRUE; +} + +static Bool +MGAEnterVTFBDev(int scrnIndex, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; +#ifdef XF86DRI + ScreenPtr pScreen; + MGAPtr pMga; + + pMga = MGAPTR(pScrn); + if (pMga->directRenderingEnabled) { + pScreen = screenInfo.screens[scrnIndex]; + DRIUnlock(pScreen); + } +#endif + + fbdevHWEnterVT(scrnIndex,flags); + MGAStormEngineInit(pScrn); + return TRUE; +} + +#define RESTORE_TEXTMODE_ON_DVI(x) \ + if (MGAISGx50(x) && \ + (ISDIGITAL1(x) || ISDIGITAL2(x))) { \ + /* Reset DUALDVI register */ \ + outMGAdac(MGA1064_DVI_PIPE_CTL, 0x0); \ + /* Set Panel mode between 20 and 54 MHz */ \ + outMGAdac(MGA1064_PAN_CTL, 0x7); \ + } + + +/* + * This is called when VT switching away from the X server. Its job is + * to restore the previous (text) mode. + * + * We may wish to remap video/MMIO memory too. + */ + +/* Mandatory */ +static void +MGALeaveVT(int scrnIndex, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + vgaHWPtr hwp = VGAHWPTR(pScrn); +#ifdef XF86DRI + MGAPtr pMga = MGAPTR(pScrn); + ScreenPtr pScreen; +#endif + + MGARestore(pScrn); + vgaHWLock(hwp); + + if (xf86IsPc98()) + outb(0xfac, 0x00); +#ifdef XF86DRI + if (pMga->directRenderingEnabled) { + pScreen = screenInfo.screens[scrnIndex]; + DRILock(pScreen, 0); + } +#endif +#ifdef USEMGAHAL + MGA_HAL( RESTORE_TEXTMODE_ON_DVI(pMga); ); +#endif +} + + +/* + * This is called at the end of each server generation. It restores the + * original (text) mode. It should also unmap the video memory, and free + * any per-generation data allocated by the driver. It should finish + * by unwrapping and calling the saved CloseScreen function. + */ + +/* Mandatory */ +static Bool +MGACloseScreen(int scrnIndex, ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + vgaHWPtr hwp = VGAHWPTR(pScrn); + MGAPtr pMga = MGAPTR(pScrn); + MGAEntPtr pMgaEnt = NULL; + +#ifdef USEMGAHAL + MGA_HAL( RESTORE_TEXTMODE_ON_DVI(pMga); ); +#endif + if (pMga->MergedFB) + MGACloseScreenMerged(scrnIndex, pScreen); + + if (pScrn->vtSema) { + if (pMga->FBDev) { + fbdevHWRestore(pScrn); + MGAUnmapMemFBDev(pScrn); + } else { + MGARestore(pScrn); + vgaHWLock(hwp); + MGAUnmapMem(pScrn); + vgaHWUnmapMem(pScrn); + } + } +#ifdef XF86DRI + if (pMga->directRenderingEnabled) { + MGADRICloseScreen(pScreen); + pMga->directRenderingEnabled=FALSE; + } +#endif + + if (pMga->DualHeadEnabled) { + DevUnion *pPriv; + pPriv = xf86GetEntityPrivate(pScrn->entityList[0], MGAEntityIndex); + pMgaEnt = pPriv->ptr; + pMgaEnt->refCount--; + } + +#ifdef USEMGAHAL + MGA_HAL( + if(pMga->DualHeadEnabled) { + if(pMgaEnt->refCount == 0) { + /* Both boards have closed there screen */ + MGACloseLibrary(pMga->pBoard); + + if (pMga->pBoard) + xfree(pMga->pBoard); + if (pMga->pClientStruct) + xfree(pMga->pClientStruct); + if (pMga->pMgaModeInfo) + xfree(pMga->pMgaModeInfo); + if (pMga->pMgaHwInfo) + xfree(pMga->pMgaHwInfo); + } + } else { + MGACloseLibrary(pMga->pBoard); + + if (pMga->pBoard) + xfree(pMga->pBoard); + if (pMga->pClientStruct) + xfree(pMga->pClientStruct); + if (pMga->pMgaModeInfo) + xfree(pMga->pMgaModeInfo); + if (pMga->pMgaHwInfo) + xfree(pMga->pMgaHwInfo); + } + ); /* MGA_HAL */ +#endif + + if (pMga->AccelInfoRec) + XAADestroyInfoRec(pMga->AccelInfoRec); + if (pMga->CursorInfoRec) + xf86DestroyCursorInfoRec(pMga->CursorInfoRec); + if (pMga->ShadowPtr) + xfree(pMga->ShadowPtr); + if (pMga->DGAModes) + xfree(pMga->DGAModes); + if (pMga->adaptor) + xfree(pMga->adaptor); + if (pMga->portPrivate) + xfree(pMga->portPrivate); + if (pMga->ScratchBuffer) + xfree(pMga->ScratchBuffer); + + pScrn->vtSema = FALSE; + + if (xf86IsPc98()) + outb(0xfac, 0x00); + + xf86ClearPrimInitDone(pScrn->entityList[0]); + + if(pMga->BlockHandler) + pScreen->BlockHandler = pMga->BlockHandler; + + pScreen->CloseScreen = pMga->CloseScreen; + + return (*pScreen->CloseScreen)(scrnIndex, pScreen); +} + + +/* Free up any persistent data structures */ + +/* Optional */ +static void +MGAFreeScreen(int scrnIndex, int flags) +{ + + /* + * This only gets called when a screen is being deleted. It does not + * get called routinely at the end of a server generation. + */ + if (xf86LoaderCheckSymbol("vgaHWFreeHWRec")) + vgaHWFreeHWRec(xf86Screens[scrnIndex]); + MGAFreeRec(xf86Screens[scrnIndex]); + +} + + +/* Checks if a mode is suitable for the selected chipset. */ + +/* Optional */ +static int +MGAValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags) +{ + int lace; + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + MGAPtr pMga = MGAPTR(pScrn); + + lace = 1 + ((mode->Flags & V_INTERLACE) != 0); + + if ((mode->CrtcHDisplay <= 2048) && + (mode->CrtcHSyncStart <= 4096) && + (mode->CrtcHSyncEnd <= 4096) && + (mode->CrtcHTotal <= 4096) && + (mode->CrtcVDisplay <= 2048 * lace) && + (mode->CrtcVSyncStart <= 4096 * lace) && + (mode->CrtcVSyncEnd <= 4096 * lace) && + (mode->CrtcVTotal <= 4096 * lace)) { + + /* Can't have horizontal panning for second head of G400 */ + if (pMga->SecondCrtc) { + if (flags == MODECHECK_FINAL) { + if (pMga->allowedWidth == 0) + pMga->allowedWidth = pScrn->virtualX; + if (mode->HDisplay != pMga->allowedWidth) + return(MODE_ONE_WIDTH); + } + } + + return(MODE_OK); + } else { + return(MODE_BAD); + } +} + + +/* + * This routine is required but since we can't easily blank the + * second display without risking powering off the monitor, return + * FALSE and let the X server do something generic. + */ +static Bool +MGASaveScreenCrtc2(ScreenPtr pScreen, int mode) +{ + return FALSE; +} + +/* Do screen blanking */ + +static Bool +MGASaveScreen(ScreenPtr pScreen, int mode) +{ + return vgaHWSaveScreen(pScreen, mode); +} + + +/* + * MGADisplayPowerManagementSet -- + * + * Sets VESA Display Power Management Signaling (DPMS) Mode. + */ +void +MGADisplayPowerManagementSet(ScrnInfoPtr pScrn, int PowerManagementMode, + int flags) +{ + MGAPtr pMga = MGAPTR(pScrn); + unsigned char seq1 = 0, crtcext1 = 0; + + switch (PowerManagementMode) + { + case DPMSModeOn: + /* Screen: On; HSync: On, VSync: On */ + seq1 = 0x00; + crtcext1 = 0x00; + break; + case DPMSModeStandby: + /* Screen: Off; HSync: Off, VSync: On */ + seq1 = 0x20; + crtcext1 = 0x10; + break; + case DPMSModeSuspend: + /* Screen: Off; HSync: On, VSync: Off */ + seq1 = 0x20; + crtcext1 = 0x20; + break; + case DPMSModeOff: + /* Screen: Off; HSync: Off, VSync: Off */ + seq1 = 0x20; + crtcext1 = 0x30; + break; + } + /* XXX Prefer an implementation that doesn't depend on VGA specifics */ + OUTREG8(MGAREG_SEQ_INDEX, 0x01); /* Select SEQ1 */ + seq1 |= INREG8(MGAREG_SEQ_DATA) & ~0x20; + OUTREG8(MGAREG_SEQ_DATA, seq1); + OUTREG8(MGAREG_CRTCEXT_INDEX, 0x01); /* Select CRTCEXT1 */ + crtcext1 |= INREG8(MGAREG_CRTCEXT_DATA) & ~0x30; + OUTREG8(MGAREG_CRTCEXT_DATA, crtcext1); +} + + +void +MGADisplayPowerManagementSetCrtc2(ScrnInfoPtr pScrn, int PowerManagementMode, + int flags) +{ + MGAPtr pMga = MGAPTR(pScrn); + CARD32 crtc2 = 0; + + if (PowerManagementMode != DPMSModeOn) + crtc2 = 0x8; /* c2pixclkdis */ + crtc2 |= INREG(MGAREG_C2CTL) & ~0x8; + OUTREG(MGAREG_C2CTL, crtc2); +} + + +static void +MGABlockHandler ( + int i, + pointer blockData, + pointer pTimeout, + pointer pReadmask +){ + ScreenPtr pScreen = screenInfo.screens[i]; + ScrnInfoPtr pScrn = xf86Screens[i]; + MGAPtr pMga = MGAPTR(pScrn); + + if(pMga->PaletteLoadCallback) + (*pMga->PaletteLoadCallback)(pScrn); + + pScreen->BlockHandler = pMga->BlockHandler; + (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask); + pScreen->BlockHandler = MGABlockHandler; + + if(pMga->VideoTimerCallback) { + UpdateCurrentTime(); + (*pMga->VideoTimerCallback)(pScrn, currentTime.milliseconds); + } + + if(pMga->RenderCallback) + (*pMga->RenderCallback)(pScrn); +} + +#if defined (DEBUG) +/* + * some functions to track input/output in the server + */ + +CARD8 +dbg_inreg8(ScrnInfoPtr pScrn,int addr,int verbose) +{ + MGAPtr pMga; + CARD8 ret; + + pMga = MGAPTR(pScrn); + ret = *(volatile CARD8 *)(pMga->IOBase + (addr)); + if(verbose) + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "inreg8 : 0x%8x = 0x%x\n",addr,ret); + return ret; +} + +CARD16 +dbg_inreg16(ScrnInfoPtr pScrn,int addr,int verbose) +{ + MGAPtr pMga; + CARD16 ret; + + pMga = MGAPTR(pScrn); + ret = *(volatile CARD16 *)(pMga->IOBase + (addr)); + if(verbose) + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "inreg16: 0x%8x = 0x%x\n",addr,ret); + return ret; +} + +CARD32 +dbg_inreg32(ScrnInfoPtr pScrn,int addr,int verbose) +{ + MGAPtr pMga; + CARD32 ret; + + pMga = MGAPTR(pScrn); + ret = *(volatile CARD32 *)(pMga->IOBase + (addr)); + if(verbose) + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "inreg32: 0x%8x = 0x%x\n",addr,ret); + return ret; +} + +void +dbg_outreg8(ScrnInfoPtr pScrn,int addr,int val) +{ + MGAPtr pMga; + CARD8 ret; + + pMga = MGAPTR(pScrn); +#if 0 + if( addr = MGAREG_CRTCEXT_DATA ) + return; +#endif + if( addr != 0x3c00 ) { + ret = dbg_inreg8(pScrn,addr,0); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "outreg8 : 0x%8x = 0x%x was 0x%x\n",addr,val,ret); + } + else { + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "outreg8 : index 0x%x\n",val); + } + *(volatile CARD8 *)(pMga->IOBase + (addr)) = (val); +} + +void +dbg_outreg16(ScrnInfoPtr pScrn,int addr,int val) +{ + MGAPtr pMga; + CARD16 ret; + +#if 0 + if (addr == MGAREG_CRTCEXT_INDEX) + return; +#endif + pMga = MGAPTR(pScrn); + ret = dbg_inreg16(pScrn,addr,0); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "outreg16 : 0x%8x = 0x%x was 0x%x\n",addr,val,ret); + *(volatile CARD16 *)(pMga->IOBase + (addr)) = (val); +} + +void +dbg_outreg32(ScrnInfoPtr pScrn,int addr,int val) +{ + MGAPtr pMga; + CARD32 ret; + + if (((addr & 0xff00) == 0x1c00) + && (addr != 0x1c04) +/* && (addr != 0x1c1c) */ + && (addr != 0x1c20) + && (addr != 0x1c24) + && (addr != 0x1c80) + && (addr != 0x1c8c) + && (addr != 0x1c94) + && (addr != 0x1c98) + && (addr != 0x1c9c) + ) { + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "refused address 0x%x\n",addr); + return; + } + pMga = MGAPTR(pScrn); + ret = dbg_inreg32(pScrn,addr,0); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "outreg32 : 0x%8x = 0x%x was 0x%x\n",addr,val,ret); + *(volatile CARD32 *)(pMga->IOBase + (addr)) = (val); +} +#endif /* DEBUG */ + +static void +MGAG100BlackMagic(MGAPtr pMga) +{ + OUTREG(MGAREG_PLNWT, ~(CARD32)0x0); + /* reset memory */ + OUTREG(MGAREG_MACCESS, 1<<15); + usleep(10); +} + |