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Diffstat (limited to 'src/atipreinit.c')
| -rw-r--r-- | src/atipreinit.c | 3090 |
1 files changed, 3090 insertions, 0 deletions
diff --git a/src/atipreinit.c b/src/atipreinit.c new file mode 100644 index 00000000..675b036d --- /dev/null +++ b/src/atipreinit.c @@ -0,0 +1,3090 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atipreinit.c,v 1.65 2003/01/01 19:16:33 tsi Exp $ */ +/* + * Copyright 1999 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of Marc Aurele La France not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. Marc Aurele La France makes no representations + * about the suitability of this software for any purpose. It is provided + * "as-is" without express or implied warranty. + * + * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO + * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include "ati.h" +#include "atiadapter.h" +#include "atiadjust.h" +#include "atibus.h" +#include "atichip.h" +#include "aticonfig.h" +#include "aticursor.h" +#include "atidac.h" +#include "atidsp.h" +#include "atiident.h" +#include "atiload.h" +#include "atilock.h" +#include "atimach64.h" +#include "atimach64io.h" +#include "atimode.h" +#include "atipreinit.h" +#include "atiprint.h" +#include "atividmem.h" +#include "atiwonderio.h" + +#include "vbe.h" +#include "xf86RAC.h" + +#ifndef AVOID_CPIO + +typedef CARD16 Colour; /* The correct spelling should be OK :-) */ + +/* + * Bit patterns which are extremely unlikely to show up when reading from + * nonexistant memory (which normally shows up as either all bits set or all + * bits clear). + */ +static const Colour Test_Pixel[] = {0x5AA5U, 0x55AAU, 0xA55AU, 0xCA53U}; + +static const struct +{ + int videoRamSize; + int Miscellaneous_Options_Setting; + struct + { + short int x, y; + } + Coordinates[NumberOf(Test_Pixel) + 1]; +} +Test_Case[] = +{ + /* + * Given the engine settings used, only a 4M card will have enough memory + * to back up the 1025th line of the display. Since the pixel coordinates + * are zero-based, line 1024 will be the first one which is only backed on + * 4M cards. + * + * <Mark_Weaver@brown.edu>: + * In case memory is being wrapped, (0,0) and (0,1024) to make sure they + * can each hold a unique value. + */ + {4096, MEM_SIZE_4M, {{0,0}, {0,1024}, {-1,-1}}}, + + /* + * This card has 2M or less. On a 1M card, the first 2M of the card's + * memory will have even doublewords backed by physical memory and odd + * doublewords unbacked. + * + * Pixels 0 and 1 of a row will be in the zeroth doubleword, while pixels 2 + * and 3 will be in the first. Check both pixels 2 and 3 in case this is a + * pseudo-1M card (one chip pulled to turn a 2M card into a 1M card). + * + * <Mark_Weaver@brown.edu>: + * I don't have a 1M card, so I'm taking a stab in the dark. Maybe memory + * wraps every 512 lines, or maybe odd doublewords are aliases of their + * even doubleword counterparts. I try everything here. + */ + {2048, MEM_SIZE_2M, {{0,0}, {0,512}, {2,0}, {3,0}, {-1,-1}}}, + + /* + * This is a either a 1M card or a 512k card. Test pixel 1, since it is an + * odd word in an even doubleword. + * + * <Mark_Weaver@brown.edu>: + * This is the same idea as the test above. + */ + {1024, MEM_SIZE_1M, {{0,0}, {0,256}, {1,0}, {-1,-1}}}, + + /* + * Assume it is a 512k card by default, since that is the minimum + * configuration. + */ + {512, MEM_SIZE_512K, {{-1,-1}}} +}; + +/* + * ATIMach32ReadPixel -- + * + * Return the colour of the specified screen location. Called from + * ATIMach32videoRam function below. + */ +static Colour +ATIMach32ReadPixel +( + const short int X, + const short int Y +) +{ + Colour Pixel_Colour; + + /* Wait for idle engine */ + ProbeWaitIdleEmpty(); + + /* Set up engine for pixel read */ + ATIWaitQueue(7); + outw(RD_MASK, (CARD16)(~0)); + outw(DP_CONFIG, FG_COLOR_SRC_BLIT | DATA_WIDTH | DRAW | DATA_ORDER); + outw(CUR_X, X); + outw(CUR_Y, Y); + outw(DEST_X_START, X); + outw(DEST_X_END, X + 1); + outw(DEST_Y_END, Y + 1); + + /* Wait for data to become ready */ + ATIWaitQueue(16); + WaitDataReady(); + + /* Read pixel colour */ + Pixel_Colour = inw(PIX_TRANS); + ProbeWaitIdleEmpty(); + return Pixel_Colour; +} + +/* + * ATIMach32WritePixel -- + * + * Set the colour of the specified screen location. Called from + * ATIMach32videoRam function below. + */ +static void +ATIMach32WritePixel +( + const short int X, + const short int Y, + const Colour Pixel_Colour +) +{ + /* Set up engine for pixel write */ + ATIWaitQueue(9); + outw(WRT_MASK, (CARD16)(~0)); + outw(DP_CONFIG, FG_COLOR_SRC_FG | DRAW | READ_WRITE); + outw(ALU_FG_FN, MIX_FN_PAINT); + outw(FRGD_COLOR, Pixel_Colour); + outw(CUR_X, X); + outw(CUR_Y, Y); + outw(DEST_X_START, X); + outw(DEST_X_END, X + 1); + outw(DEST_Y_END, Y + 1); +} + +/* + * ATIMach32videoRam -- + * + * Determine the amount of video memory installed on an 68800-6 based adapter. + * This is done because these chips exhibit a bug that causes their + * MISC_OPTIONS register to report 1M rather than the true amount of memory. + * + * This function is adapted from a similar function in mach32mem.c written by + * Robert Wolff, David Dawes and Mark Weaver. + */ +static int +ATIMach32videoRam +( + void +) +{ + CARD16 clock_sel, mem_bndry, misc_options, ext_ge_config; + Colour saved_Pixel[NumberOf(Test_Pixel)]; + unsigned int Case_Number, Pixel_Number; + Bool AllPixelsOK; + + /* Save register values to be modified */ + clock_sel = inw(CLOCK_SEL); + mem_bndry = inw(MEM_BNDRY); + misc_options = inw(MISC_OPTIONS) & ~MEM_SIZE_ALIAS; + ext_ge_config = inw(R_EXT_GE_CONFIG); + + /* Wait for enough FIFO entries */ + ATIWaitQueue(7); + + /* Enable accelerator */ + outw(CLOCK_SEL, clock_sel | DISABPASSTHRU); + + /* Make accelerator and VGA share video memory */ + outw(MEM_BNDRY, mem_bndry & ~(MEM_PAGE_BNDRY | MEM_BNDRY_ENA)); + + /* Prevent video memory wrap */ + outw(MISC_OPTIONS, misc_options | MEM_SIZE_4M); + + /* + * Set up the drawing engine for a pitch of 1024 at 16 bits per pixel. No + * need to mess with the CRT because the results of this test are not + * intended to be seen. + */ + outw(EXT_GE_CONFIG, PIXEL_WIDTH_16 | ORDER_16BPP_565 | MONITOR_8514 | + ALIAS_ENA); + outw(GE_PITCH, 1024 >> 3); + outw(GE_OFFSET_HI, 0); + outw(GE_OFFSET_LO, 0); + + for (Case_Number = 0; + Case_Number < (NumberOf(Test_Case) - 1); + Case_Number++) + { + /* Reduce redundancy as per Mark_Weaver@brown.edu */ +# define TestPixel Test_Case[Case_Number].Coordinates[Pixel_Number] +# define ForEachTestPixel \ + for (Pixel_Number = 0; TestPixel.x >= 0; Pixel_Number++) + + /* Save pixel colours that will be clobbered */ + ForEachTestPixel + saved_Pixel[Pixel_Number] = + ATIMach32ReadPixel(TestPixel.x, TestPixel.y); + + /* Write test patterns */ + ForEachTestPixel + ATIMach32WritePixel(TestPixel.x, TestPixel.y, + Test_Pixel[Pixel_Number]); + + /* Test for lost pixels */ + AllPixelsOK = TRUE; + ForEachTestPixel + if (ATIMach32ReadPixel(TestPixel.x, TestPixel.y) != + Test_Pixel[Pixel_Number]) + { + AllPixelsOK = FALSE; + break; + } + + /* Restore clobbered pixels */ + ForEachTestPixel + ATIMach32WritePixel(TestPixel.x, TestPixel.y, + saved_Pixel[Pixel_Number]); + + /* End test on success */ + if (AllPixelsOK) + break; + + /* Completeness */ +# undef ForEachTestPixel +# undef TestPixel + } + + /* Restore what was changed and correct MISC_OPTIONS register */ + ATIWaitQueue(4); + outw(EXT_GE_CONFIG, ext_ge_config); + misc_options |= Test_Case[Case_Number].Miscellaneous_Options_Setting; + outw(MISC_OPTIONS, misc_options); + outw(MEM_BNDRY, mem_bndry); + outw(CLOCK_SEL, clock_sel); + + /* Wait for activity to die down */ + ProbeWaitIdleEmpty(); + + /* Tell ATIPreInit the REAL story */ + return Test_Case[Case_Number].videoRamSize; +} + +#endif /* AVOID_CPIO */ + +/* + * ATIReportMemory -- + * + * This function reports on the amount and type of video memory found. + */ +static void +ATIReportMemory +( + ScrnInfoPtr pScreenInfo, + ATIPtr pATI, + const char *MemoryTypeName +) +{ + char Buffer[128], *Message; + + Message = Buffer + + snprintf(Buffer, SizeOf(Buffer), "%d kB of %s detected", + pATI->VideoRAM, MemoryTypeName); + +#ifndef AVOID_CPIO + + if (pATI->depth == 1) + { + /* 1bpp only uses one plane of four */ + pScreenInfo->videoRam /= 4; + Message += snprintf(Message, Buffer + SizeOf(Buffer) - Message, + " (using %d kB)", pScreenInfo->videoRam); + } + else + +#endif /* AVOID_CPIO */ + + if (pATI->VideoRAM > pScreenInfo->videoRam) + Message += snprintf(Message, Buffer + SizeOf(Buffer) - Message, + " (using %d kB)", pScreenInfo->videoRam); + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, "%s.\n", Buffer); +} + +static const int videoRamSizes[] = + {0, 256, 512, 1024, 2*1024, 4*1024, 6*1024, 8*1024, 12*1024, 16*1024, 0}; +static const rgb defaultWeight = {0, 0, 0}; +static const Gamma defaultGamma = {0.0, 0.0, 0.0}; + +/* + * ATIMapMach64 -- + * + * This function attempts to mmap() a Mach64's MMIO aperture. + */ +static void +ATIMapMach64 +( + int iScreen, + ATIPtr pATI +) +{ + (void)ATIMapApertures(iScreen, pATI); + if (!pATI->pBlock[0] || + (pATI->config_chip_id != inr(CONFIG_CHIP_ID))) + ATIUnmapApertures(iScreen, pATI); +} + +/* + * ATIPrintNoiseIfRequested -- + * + * This function formats debugging information on the server's stderr when + * requested by the user through the server's verbosity setting. + */ +static void +ATIPrintNoiseIfRequested +( + ATIPtr pATI, + CARD8 *BIOS, + unsigned int BIOSSize +) +{ + if (xf86GetVerbosity() <= 3) + return; + + if (BIOSSize > 0) + ATIPrintBIOS(BIOS, BIOSSize); + xf86ErrorFVerb(4, "\n On server entry:\n"); + ATIPrintRegisters(pATI); +} + +/* + * ATIPreInit -- + * + * This function is only called once per screen at the start of the first + * server generation. + */ +Bool +ATIPreInit +( + ScrnInfoPtr pScreenInfo, + int flags +) +{ +# define BIOS_SIZE 0x00010000U /* 64kB */ + CARD8 BIOS[BIOS_SIZE]; +# define BIOSByte(_n) ((CARD8)(BIOS[_n])) +# define BIOSWord(_n) ((CARD16)(BIOS[_n] | \ + (BIOS[(_n) + 1] << 8))) +# define BIOSLong(_n) ((CARD32)(BIOS[_n] | \ + (BIOS[(_n) + 1] << 8) | \ + (BIOS[(_n) + 2] << 16) | \ + (BIOS[(_n) + 3] << 24))) + unsigned int BIOSSize = 0; + unsigned int ROMTable = 0, ClockTable = 0, FrequencyTable = 0; + unsigned int LCDTable = 0, LCDPanelInfo = 0; + + char Buffer[128], *Message; + ATIPtr pATI; + GDevPtr pGDev; + EntityInfoPtr pEntity; + resPtr pResources; + pciVideoPtr pVideo; + DisplayModePtr pMode; + unsigned long Block0Base; + CARD32 IOValue; + int i, j, AcceleratorVideoRAM = 0, ServerVideoRAM; + int Numerator, Denominator; + int MinX, MinY; + ClockRange ATIClockRange = {NULL, 0, 80000, 0, TRUE, TRUE, 1, 1, 0}; + int DefaultmaxClock = 0; + int minPitch, maxPitch = 0xFFU, maxHeight = 0; + int ApertureSize = 0x00010000U; + LookupModeFlags Strategy = LOOKUP_CLOSEST_CLOCK; + +# define pATIHW (&pATI->OldHW) + +#ifndef AVOID_CPIO + + xf86Int10InfoPtr pInt10Info = NULL; + vbeInfoPtr pVBE; + pointer pInt10Module, pDDCModule = NULL, pVBEModule = NULL; + int VGAVideoRAM = 0; + resRange Resources[2] = {{0, 0, 0}, _END}; + +#endif /* AVOID_CPIO */ + + if (pScreenInfo->numEntities != 1) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Logic error: Number of attached entities not 1.\n"); + return FALSE; + } + + pATI = ATIPTR(pScreenInfo); + + if (pATI->iEntity != pScreenInfo->entityList[0]) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Logic error: Entity mismatch.\n"); + return FALSE; + } + + /* Register resources */ + pEntity = xf86GetEntityInfo(pATI->iEntity); + pGDev = pEntity->device; + pResources = pEntity->resources; + xfree(pEntity); + if (!pResources) + pResources = xf86RegisterResources(pATI->iEntity, NULL, + pATI->SharedAccelerator ? ResShared : ResExclusive); + if (pResources) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Unable to register the following bus resources:\n"); + xf86PrintResList(0, pResources); + xf86FreeResList(pResources); + return FALSE; + } + + ConfiguredMonitor = NULL; + (void)memset(BIOS, 0, SizeOf(BIOS)); + + if (!(flags & PROBE_DETECT)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, + pATI->Chipset ? X_CONFIG : X_DEFAULT, + "Chipset: \"%s\".\n", ATIChipsetNames[pATI->Chipset]); + + /* Promote chipset specification */ + switch (pATI->Chipset) + { + +#ifndef AVOID_CPIO + + case ATI_CHIPSET_IBMVGA: + if (pATI->Adapter == ATI_ADAPTER_VGA) + break; /* XXX */ + /* Fall through */ + + case ATI_CHIPSET_VGAWONDER: + pATI->Chipset = ATI_CHIPSET_ATIVGA; + break; + + case ATI_CHIPSET_IBM8514: + if (pATI->Adapter == ATI_ADAPTER_8514A) + break; /* XXX */ + /* Fall through */ + + case ATI_CHIPSET_MACH8: + case ATI_CHIPSET_MACH32: + +#endif /* AVOID_CPIO */ + + case ATI_CHIPSET_MACH64: + case ATI_CHIPSET_RAGE128: + case ATI_CHIPSET_RADEON: + pATI->Chipset = ATI_CHIPSET_ATI; + break; + + default: + break; + } + + /* Set monitor */ + pScreenInfo->monitor = pScreenInfo->confScreen->monitor; + + /* Set depth, bpp, etc. */ + if ((pATI->Chipset != ATI_CHIPSET_ATI) || + (pATI->Chip < ATI_CHIP_264CT)) + i = NoDepth24Support; /* No support for >8bpp either */ + else + i = Support24bppFb | Support32bppFb; + if (!xf86SetDepthBpp(pScreenInfo, 8, 8, 8, i)) + return FALSE; + + for (j = 0; ; j++) + { + static const CARD8 AllowedDepthBpp[][2] = + { + +#ifndef AVOID_CPIO + + { 1, 1}, + { 4, 4}, + { 4, 8}, + +#endif /* AVOID_CPIO */ + + { 8, 8}, + {15, 16}, + {16, 16}, + {24, 24}, + {24, 32} + }; + + if (j < NumberOf(AllowedDepthBpp)) + { + if (pScreenInfo->depth > AllowedDepthBpp[j][0]) + continue; + + if (pScreenInfo->depth == AllowedDepthBpp[j][0]) + { + if (pScreenInfo->bitsPerPixel > AllowedDepthBpp[j][1]) + continue; + + if (pScreenInfo->bitsPerPixel == AllowedDepthBpp[j][1]) + break; + } + } + + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Driver does not support depth %d at fbbpp %d.\n", + pScreenInfo->depth, pScreenInfo->bitsPerPixel); + return FALSE; + } + + xf86PrintDepthBpp(pScreenInfo); + + if ((i == NoDepth24Support) && (pScreenInfo->depth > 8)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Depth %d is not supported through this adapter.\n", + pScreenInfo->depth); + return FALSE; + } + + /* Pick up XF86Config options */ + ATIProcessOptions(pScreenInfo, pATI); + } + +#ifdef AVOID_CPIO + + else /* if (flags & PROBE_DETECT) */ + return TRUE; + +#else /* AVOID_CPIO */ + + /* + * If there is an ix86-style BIOS, ensure its initialisation entry point + * has been executed, and retrieve DDC and VBE information from it. + */ + if (!(pInt10Module = ATILoadModule(pScreenInfo, "int10", ATIint10Symbols))) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Unable to load int10 module.\n"); + else if (!(pInt10Info = xf86InitInt10(pATI->iEntity))) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Unable to initialise int10 interface.\n"); + else + { + if (!(pDDCModule = ATILoadModule(pScreenInfo, "ddc", ATIddcSymbols))) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Unable to load ddc module.\n"); + else + if (!(pVBEModule = ATILoadModule(pScreenInfo, "vbe", ATIvbeSymbols))) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Unable to load vbe module.\n"); + else + { + if ((pVBE = VBEInit(pInt10Info, pATI->iEntity))) + { + ConfiguredMonitor = vbeDoEDID(pVBE, pDDCModule); + vbeFree(pVBE); + } + xf86UnloadSubModule(pVBEModule); + } + + if (!(flags & PROBE_DETECT)) + { + /* Validate, then make a private copy of, the initialised BIOS */ + CARD8 *pBIOS = xf86int10Addr(pInt10Info, pInt10Info->BIOSseg << 4); + + if ((pBIOS[0] != 0x55U) || (pBIOS[1] != 0xAAU) || !pBIOS[2]) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Unable to correctly retrieve adapter BIOS.\n"); + else + { + BIOSSize = pBIOS[2] << 9; + if (BIOSSize > BIOS_SIZE) + BIOSSize = BIOS_SIZE; + (void)memcpy(BIOS, pBIOS, BIOSSize); + } + } + } + + /* De-activate int10 */ + xf86FreeInt10(pInt10Info); + xf86UnloadSubModule(pInt10Module); + + if (flags & PROBE_DETECT) + { + xf86UnloadSubModule(pDDCModule); + return TRUE; + } + + if (ConfiguredMonitor) + { + xf86PrintEDID(ConfiguredMonitor); + xf86SetDDCproperties(pScreenInfo, ConfiguredMonitor); + } + + /* DDC module is no longer needed at this point */ + xf86UnloadSubModule(pDDCModule); + +#endif /* AVOID_CPIO */ + + pATI->Block0Base = 0; /* Might no longer be valid */ + if ((pVideo = pATI->PCIInfo)) + { + if (pATI->CPIODecoding == BLOCK_IO) + pATI->CPIOBase = pVideo->ioBase[1]; + + /* Set MMIO address from PCI configuration space, if available */ + if ((pATI->Block0Base = pVideo->memBase[2])) + { + if (pATI->Block0Base >= (CARD32)(-1 << pVideo->size[2])) + pATI->Block0Base = 0; + else + pATI->Block0Base += 0x0400U; + } + } + +#ifdef AVOID_CPIO + + pScreenInfo->racMemFlags = + RAC_FB | RAC_COLORMAP | RAC_VIEWPORT | RAC_CURSOR; + +#else /* AVOID_CPIO */ + + pScreenInfo->racIoFlags = + RAC_FB | RAC_COLORMAP | RAC_VIEWPORT | RAC_CURSOR; + pScreenInfo->racMemFlags = RAC_FB | RAC_CURSOR; + +#endif /* AVOID_CPIO */ + + /* Deal with ChipID & ChipRev overrides */ + if (pGDev->chipID >= 0) + { + ATIChipType Chip; + + Chip = ATIChipID(pGDev->chipID, + (pGDev->chipRev < 0) ? pATI->ChipRev : pGDev->chipRev); + if (Chip != pATI->Chip) + { + pATI->Chip = Chip; + pATI->ChipType = pGDev->chipID; + if (pGDev->chipRev < 0) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_CONFIG, + "Driver messages reflect ChipID 0x%04X override.\n", + pATI->ChipType); + } + else + { + pATI->ChipRev = pGDev->chipRev; + pATI->ChipVersion = GetBits(pATI->ChipRev, + GetBits(CFG_CHIP_VERSION, CFG_CHIP_REV)); + pATI->ChipFoundry = GetBits(pATI->ChipRev, + GetBits(CFG_CHIP_FOUNDRY, CFG_CHIP_REV)); + pATI->ChipRevision = GetBits(pATI->ChipRev, + GetBits(CFG_CHIP_REVISION, CFG_CHIP_REV)); + xf86DrvMsg(pScreenInfo->scrnIndex, X_CONFIG, + "Driver messages reflect ChipID 0x%04X and ChipRev 0x%02X" + " overrides.\n", pATI->ChipType, pATI->ChipRev); + } + } + } + + /* Finish private area initialisation */ + pATI->DAC = ATI_DAC_GENERIC; + +#ifndef AVOID_CPIO + + pATI->NewHW.SetBank = ATIx8800SetBank; + pATI->BankInfo.SetSourceBank = ATIx8800SetRead; + pATI->BankInfo.SetDestinationBank = ATIx8800SetWrite; + pATI->BankInfo.SetSourceAndDestinationBanks = ATIx8800SetReadWrite; + pATI->BankInfo.BankSize = 0x00010000U; /* 64kB */ + +#endif /* AVOID_CPIO */ + + pATI->LCDPanelID = -1; + pATI->nFIFOEntries = 16; /* For now */ + + /* Finish probing the adapter */ + switch (pATI->Adapter) + { + +#ifndef AVOID_CPIO + + case ATI_ADAPTER_NONE: + case ATI_ADAPTER_EGA: + case ATI_ADAPTER_EGA_PLUS: + case ATI_ADAPTER_VGA: + case ATI_ADAPTER_BASIC: + pATI->NewHW.SetBank = (ATIBankProcPtr)NoopDDA; + pATI->BankInfo.SetSourceBank = + pATI->BankInfo.SetDestinationBank = + pATI->BankInfo.SetSourceAndDestinationBanks = + (miBankProcPtr)NoopDDA; + break; + + case ATI_ADAPTER_V3: + pATI->NewHW.SetBank = ATIV3SetBank; + pATI->BankInfo.SetSourceBank = ATIV3SetRead; + pATI->BankInfo.SetDestinationBank = ATIV3SetWrite; + pATI->BankInfo.SetSourceAndDestinationBanks = ATIV3SetReadWrite; + break; + + case ATI_ADAPTER_V4: + case ATI_ADAPTER_V5: + pATI->NewHW.SetBank = ATIV4V5SetBank; + pATI->BankInfo.SetSourceBank = ATIV4V5SetRead; + pATI->BankInfo.SetDestinationBank = ATIV4V5SetWrite; + pATI->BankInfo.SetSourceAndDestinationBanks = ATIV4V5SetReadWrite; + break; + + case ATI_ADAPTER_XL: + pATI->DAC = ATI_DAC_SC11483; + break; + + case ATI_ADAPTER_8514A: + pATI->VideoRAM = + videoRamSizes[GetBits(inw(SUBSYS_STAT), _8PLANE) + 2]; + break; + + case ATI_ADAPTER_MACH8: + pATI->VideoRAM = + videoRamSizes[GetBits(inw(CONFIG_STATUS_1), MEM_INSTALLED) + 2]; + break; + + case ATI_ADAPTER_MACH32: + IOValue = inw(CONFIG_STATUS_1); + pATI->DAC = ATI_DAC(GetBits(IOValue, DACTYPE), 0); + pATI->MemoryType = GetBits(IOValue, MEM_TYPE); + + IOValue = inw(MISC_OPTIONS); + pATI->VideoRAM = + videoRamSizes[GetBits(IOValue, MEM_SIZE_ALIAS) + 2]; + + /* + * The 68800-6 doesn't necessarily report the correct video memory + * size. + */ + if ((pATI->Chip == ATI_CHIP_68800_6) && (pATI->VideoRAM == 1024)) + pATI->VideoRAM = ATIMach32videoRam(); + + break; + +#endif /* AVOID_CPIO */ + + case ATI_ADAPTER_MACH64: + do + { + /* + * Find and mmap() MMIO area. Allow only auxiliary aperture if + * it exists. + */ + if (!(Block0Base = pATI->Block0Base)) + { + if (pVideo) + { + /* Check tail end of linear (8MB or 4MB) aperture */ + if ((pATI->Block0Base = pVideo->memBase[0])) + { + pATI->Block0Base += 0x007FFC00U; + ATIMapMach64(pScreenInfo->scrnIndex, pATI); + if (pATI->pBlock[0]) + break; + + pATI->Block0Base -= 0x00400000U; + ATIMapMach64(pScreenInfo->scrnIndex, pATI); + if (pATI->pBlock[0]) + break; + } + } + + /* Check VGA MMIO aperture */ + pATI->Block0Base = 0x000BFC00U; + } + + ATIMapMach64(pScreenInfo->scrnIndex, pATI); + } while (0); + pATI->Block0Base = Block0Base; + +#ifdef AVOID_CPIO + + if (!pATI->pBlock[0]) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Unable to mmap() adapter registers.\n"); + return FALSE; + } + +#endif /* AVOID_CPIO */ + + pATIHW->crtc_gen_cntl = inr(CRTC_GEN_CNTL); + if (!(pATIHW->crtc_gen_cntl & CRTC_EN) && + (pATI->Chip >= ATI_CHIP_264CT)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Adapter has not been initialised.\n"); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + +#ifdef AVOID_CPIO + + if (!(pATIHW->crtc_gen_cntl & CRTC_EXT_DISP_EN)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Adapters found to be in VGA mode on server entry are not" + " supported by the MMIO-only version of this driver.\n"); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + +#endif /* AVOID_CPIO */ + + pATIHW->mem_cntl = inr(MEM_CNTL); + if (pATI->Chip < ATI_CHIP_264VTB) + pATI->VideoRAM = + videoRamSizes[GetBits(pATIHW->mem_cntl, CTL_MEM_SIZE) + 2]; + else + { + pATI->nFIFOEntries = /* Don't care */ + (unsigned int)(-1) >> 1; + + IOValue = GetBits(pATIHW->mem_cntl, CTL_MEM_SIZEB); + if (IOValue < 8) + pATI->VideoRAM = (IOValue + 1) * 512; + else if (IOValue < 12) + pATI->VideoRAM = (IOValue - 3) * 1024; + else + pATI->VideoRAM = (IOValue - 7) * 2048; + } + + pATI->DAC = GetBits(inr(DAC_CNTL), DAC_TYPE); + + IOValue = inr(CONFIG_STATUS64_0); + if (pATI->Chip >= ATI_CHIP_264CT) + { + pATI->MemoryType = GetBits(IOValue, CFG_MEM_TYPE_T); + + /* Get LCD panel id and set LCD & TV I/O port numbers */ + if (pATI->Chip == ATI_CHIP_264LT) + { + pATI->LCDPanelID = GetBits(IOValue, CFG_PANEL_ID); + + pATIHW->horz_stretching = inr(HORZ_STRETCHING); + pATIHW->vert_stretching = inr(VERT_STRETCHING); + pATIHW->lcd_gen_ctrl = inr(LCD_GEN_CTRL); + } + else if ((pATI->Chip == ATI_CHIP_264LTPRO) || + (pATI->Chip == ATI_CHIP_264XL) || + (pATI->Chip == ATI_CHIP_MOBILITY)) + { + pATI->LCDPanelID = GetBits(IOValue, CFG_PANEL_ID); + + pATIHW->lcd_index = inr(LCD_INDEX); + pATIHW->horz_stretching = + ATIGetMach64LCDReg(LCD_HORZ_STRETCHING); + pATI->LCDHorizontal = + GetBits(pATIHW->horz_stretching, HORZ_PANEL_SIZE); + if (pATI->LCDHorizontal) + { + if (pATI->LCDHorizontal == MaxBits(HORZ_PANEL_SIZE)) + pATI->LCDHorizontal = 0; + else + pATI->LCDHorizontal = + (pATI->LCDHorizontal + 1) << 3; + } + pATIHW->ext_vert_stretch = + ATIGetMach64LCDReg(LCD_EXT_VERT_STRETCH); + pATI->LCDVertical = + GetBits(pATIHW->ext_vert_stretch, VERT_PANEL_SIZE); + if (pATI->LCDVertical) + { + if (pATI->LCDVertical == MaxBits(VERT_PANEL_SIZE)) + pATI->LCDVertical = 0; + else + pATI->LCDVertical++; + } + pATIHW->vert_stretching = + ATIGetMach64LCDReg(LCD_VERT_STRETCHING); + pATIHW->lcd_gen_ctrl = ATIGetMach64LCDReg(LCD_GEN_CNTL); + outr(LCD_INDEX, pATIHW->lcd_index); + } + + /* + * Don't bother with panel support if it hasn't been previously + * enabled. + */ + if ((pATI->LCDPanelID >= 0) && + !(pATIHW->horz_stretching & HORZ_STRETCH_EN) && + !(pATIHW->vert_stretching & VERT_STRETCH_EN) && + !(pATIHW->lcd_gen_ctrl & LCD_ON)) + { + /* + * At this point, if an XL or Mobility BIOS hasn't set + * panel dimensions, then there is no panel. Otherwise, + * keep any panel disabled to allow for modes greater than + * the panel's dimensions. + */ + if ((pATI->Chip >= ATI_CHIP_264XL) && + (!pATI->LCDHorizontal || !pATI->LCDVertical)) + pATI->LCDPanelID = -1; + else + pATI->OptionPanelDisplay = FALSE; + } + } + else + { + pATI->MemoryType = GetBits(IOValue, CFG_MEM_TYPE); + + /* Factor in what the BIOS says the DAC is */ + pATI->DAC = ATI_DAC(pATI->DAC, + GetBits(inr(SCRATCH_REG1), BIOS_INIT_DAC_SUBTYPE)); + } + + /* + * RAMDAC types 0 & 1 for Mach64's are different than those for + * Mach32's. + */ + if (pATI->DAC < ATI_DAC_ATI68875) + pATI->DAC += ATI_DAC_INTERNAL; + + break; + + default: + break; + } + + /* + * For Mach64 adapters, pick up, from the BIOS, the type of programmable + * clock generator (if any), and various information about it. + */ + +#ifndef AVOID_CPIO + + if (pATI->Chip >= ATI_CHIP_88800GXC) + +#endif /* AVOID_CPIO */ + + { + CARD16 ClockDac; + + /* Set up non-zero defaults */ + pATI->ClockDescriptor = ATIClockDescriptors[ATI_CLOCK_FIXED]; + pATI->ClockNumberToProgramme = -1; + + ROMTable = BIOSWord(0x48U); + if ((ROMTable + 0x12U) > BIOSSize) + ROMTable = 0; + + if (ROMTable > 0) + { + ClockTable = BIOSWord(ROMTable + 0x10U); + if ((ClockTable + 0x20U) > BIOSSize) + ClockTable = 0; + } + + if (ClockTable > 0) + { + FrequencyTable = BIOSWord(ClockTable - 0x02U); + if ((FrequencyTable > 0) && + ((FrequencyTable + 0x20U) <= BIOSSize)) + { + for (i = 0; i < 16; i++) + { + pATI->BIOSClocks[i] = BIOSWord(FrequencyTable); + FrequencyTable += 2; + } + } + pATI->ProgrammableClock = BIOSByte(ClockTable); + pATI->ClockNumberToProgramme = BIOSByte(ClockTable + 0x06U); + switch (BIOSWord(ClockTable + 0x08U) / 10) + { + case 143: + pATI->ReferenceNumerator = 157500; + pATI->ReferenceDenominator = 11; + break; + + case 286: + pATI->ReferenceNumerator = 315000; + pATI->ReferenceDenominator = 11; + break; + + default: + pATI->ReferenceNumerator = + BIOSWord(ClockTable + 0x08U) * 10; + pATI->ReferenceDenominator = 1; + break; + } + } + else + { + /* + * Compensate for BIOS absence. Note that the reference + * frequency has already been set by option processing. + */ + if ((pATI->DAC & ~0x0FU) == ATI_DAC_INTERNAL) + pATI->ProgrammableClock = ATI_CLOCK_INTERNAL; + else switch (pATI->DAC) + { + case ATI_DAC_STG1703: + pATI->ProgrammableClock = ATI_CLOCK_STG1703; + break; + + case ATI_DAC_CH8398: + pATI->ProgrammableClock = ATI_CLOCK_CH8398; + break; + + case ATI_DAC_ATT20C408: + pATI->ProgrammableClock = ATI_CLOCK_ATT20C408; + break; + + case ATI_DAC_IBMRGB514: + pATI->ProgrammableClock = ATI_CLOCK_IBMRGB514; + break; + + default: /* Provisional */ + pATI->ProgrammableClock = ATI_CLOCK_ICS2595; + break; + } + + /* This should be safe for all generators except IBM's RGB514 */ + pATI->ClockNumberToProgramme = 3; + } + + if ((pATI->ProgrammableClock > ATI_CLOCK_FIXED) && + (pATI->ProgrammableClock < ATI_CLOCK_MAX)) + { + /* + * Graphics PRO TURBO 1600's are unusual in that an ICS2595 is used + * to generate clocks for VGA modes, and an IBM RGB514 is used for + * accelerator modes. + */ + if ((pATI->ProgrammableClock == ATI_CLOCK_ICS2595) && + (pATI->DAC == ATI_DAC_IBMRGB514) && + (pScreenInfo->depth >= 8) && + (pATI->Chipset == ATI_CHIPSET_ATI)) + pATI->ProgrammableClock = ATI_CLOCK_IBMRGB514; + + pATI->ClockDescriptor = + ATIClockDescriptors[pATI->ProgrammableClock]; + } + + ClockDac = pATI->DAC; + switch (pATI->ProgrammableClock) + { + case ATI_CLOCK_ICS2595: + /* + * Pick up reference divider (43 or 46) appropriate to the chip + * revision level. + */ + if (ClockTable > 0) + pATI->ClockDescriptor.MinM = + pATI->ClockDescriptor.MaxM = + BIOSWord(ClockTable + 0x0AU); + else if (!xf86NameCmp(pGDev->clockchip, "ATI 18818-0")) + pATI->ClockDescriptor.MinM = + pATI->ClockDescriptor.MaxM = 43; + else if (!xf86NameCmp(pGDev->clockchip, "ATI 18818-1")) + pATI->ClockDescriptor.MinM = + pATI->ClockDescriptor.MaxM = 46; + else + pATI->ProgrammableClock = ATI_CLOCK_UNKNOWN; + break; + + case ATI_CLOCK_STG1703: + /* This one's also a RAMDAC */ + ClockDac = ATI_DAC_STG1703; + break; + + case ATI_CLOCK_CH8398: + /* This one's also a RAMDAC */ + ClockDac = ATI_DAC_CH8398; + break; + + case ATI_CLOCK_INTERNAL: + /* + * The reference divider has already been programmed by BIOS + * initialisation. Because, there is only one reference + * divider for all generated frequencies (including MCLK), it + * cannot be changed without reprogramming all clocks every + * time one of them needs a different reference divider. + * + * Besides, it's not a good idea to change the reference + * divider. BIOS initialisation sets it to a value that + * effectively prevents generating frequencies beyond the + * graphics controller's tolerance. + */ + pATI->ClockDescriptor.MinM = pATI->ClockDescriptor.MaxM = + ATIGetMach64PLLReg(PLL_REF_DIV); + + /* The DAC is also integrated */ + if ((pATI->DAC & ~0x0FU) != ATI_DAC_INTERNAL) + ClockDac = ATI_DAC_INTERNAL; + + break; + + case ATI_CLOCK_ATT20C408: + /* This one's also a RAMDAC */ + ClockDac = ATI_DAC_ATT20C408; + break; + + case ATI_CLOCK_IBMRGB514: + /* This one's also a RAMDAC */ + ClockDac = ATI_DAC_IBMRGB514; + pATI->ClockNumberToProgramme = 7; + break; + + default: + break; + } + + /* + * We now have up to two indications of what RAMDAC the adapter uses. + * They should be the same. The following test and corresponding + * action are under construction. + */ + if (pATI->DAC != ClockDac) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Mach64 RAMDAC probe discrepancy detected:\n" + " DAC=0x%02X; ClockDac=0x%02X.\n", + pATI->DAC, ClockDac); + + if (pATI->DAC == ATI_DAC_IBMRGB514) + { + pATI->ProgrammableClock = ATI_CLOCK_IBMRGB514; + pATI->ClockDescriptor = + ATIClockDescriptors[ATI_CLOCK_IBMRGB514]; + pATI->ClockNumberToProgramme = 7; + } + else + pATI->DAC = ClockDac; /* For now */ + } + + /* Determine panel dimensions */ + if (pATI->LCDPanelID >= 0) + { + LCDTable = BIOSWord(0x78U); + if ((LCDTable + BIOSByte(LCDTable + 5)) > BIOSSize) + LCDTable = 0; + + if (LCDTable > 0) + { + LCDPanelInfo = BIOSWord(LCDTable + 0x0AU); + if (((LCDPanelInfo + 0x1DU) > BIOSSize) || + ((BIOSByte(LCDPanelInfo) != pATI->LCDPanelID) && + (pATI->LCDPanelID || (BIOSByte(LCDPanelInfo) > 0x1FU) || + (pATI->Chip <= ATI_CHIP_264LTPRO)))) + LCDPanelInfo = 0; + } + + if (!LCDPanelInfo) + { + /* + * Scan BIOS for panel info table. + */ + for (i = 0; i <= (int)(BIOSSize - 0x1DU); i++) + { + /* Look for panel ID ... */ + if ((BIOSByte(i) != pATI->LCDPanelID) && + (pATI->LCDPanelID || (BIOSByte(i) > 0x1FU) || + (pATI->Chip <= ATI_CHIP_264LTPRO))) + continue; + + /* ... followed by 24-byte panel model name ... */ + for (j = 0; j < 24; j++) + if ((CARD8)(BIOSByte(i + j + 1) - 0x20U) > 0x5FU) + { + i += j; + goto NextBIOSByte; + } + + /* ... verify panel width ... */ + if (pATI->LCDHorizontal && + (pATI->LCDHorizontal != BIOSWord(i + 0x19U))) + continue; + + /* ... and verify panel height */ + if (pATI->LCDVertical && + (pATI->LCDVertical != BIOSWord(i + 0x1BU))) + continue; + + if (LCDPanelInfo) + { + /* + * More than one possibility, but don't care if all + * tables describe panels of the same size. + */ + if ((BIOSByte(LCDPanelInfo + 0x19U) == + BIOSByte(i + 0x19U)) && + (BIOSByte(LCDPanelInfo + 0x1AU) == + BIOSByte(i + 0x1AU)) && + (BIOSByte(LCDPanelInfo + 0x1BU) == + BIOSByte(i + 0x1BU)) && + (BIOSByte(LCDPanelInfo + 0x1CU) == + BIOSByte(i + 0x1CU))) + continue; + + LCDPanelInfo = 0; + break; + } + + LCDPanelInfo = i; + + NextBIOSByte: ; + } + } + + if (LCDPanelInfo > 0) + { + pATI->LCDPanelID = BIOSByte(LCDPanelInfo); + pATI->LCDHorizontal = BIOSWord(LCDPanelInfo + 0x19U); + pATI->LCDVertical = BIOSWord(LCDPanelInfo + 0x1BU); + } + } + } + + ATIUnlock(pATI); /* Unlock registers */ + +#ifndef AVOID_CPIO + + /* Sometimes, the BIOS lies about the chip */ + if ((pATI->Chip >= ATI_CHIP_28800_4) && (pATI->Chip <= ATI_CHIP_28800_6)) + { + IOValue = GetBits(ATIGetExtReg(0xAAU), 0x0FU) + + (ATI_CHIP_28800_4 - 4); + if ((IOValue <= ATI_CHIP_28800_6) && (IOValue > pATI->Chip)) + pATI->Chip = IOValue; + } + +#endif /* AVOID_CPIO */ + + /* Report what was found */ + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "%s graphics controller detected.\n", ATIChipNames[pATI->Chip]); + +#ifndef AVOID_CPIO + + if ((pATI->Chip >= ATI_CHIP_68800) && (pATI->Chip != ATI_CHIP_68800_3)) + +#endif /* AVOID_CPIO */ + + { + Message = Buffer + snprintf(Buffer, SizeOf(Buffer), "Chip type %04X", + pATI->ChipType); + if (!(pATI->ChipType & ~(CHIP_CODE_0 | CHIP_CODE_1))) + Message += snprintf(Message, Buffer + SizeOf(Buffer) - Message, + " (%c%c)", + GetBits(pATI->ChipType, CHIP_CODE_1) + 0x41U, + GetBits(pATI->ChipType, CHIP_CODE_0) + 0x41U); + else if ((pATI->ChipType & 0x4040U) == 0x4040U) + Message += snprintf(Message, Buffer + SizeOf(Buffer) - Message, + " \"%c%c\"", + GetByte(pATI->ChipType, 1), GetByte(pATI->ChipType, 0)); + if ((pATI->Chip >= ATI_CHIP_264CT) && (pATI->Chip != ATI_CHIP_Mach64)) + Message += snprintf(Message, Buffer + SizeOf(Buffer) - Message, + ", version %d, foundry %s", + pATI->ChipVersion, ATIFoundryNames[pATI->ChipFoundry]); + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "%s, class %d, revision 0x%02X.\n", + Buffer, pATI->ChipClass, pATI->ChipRevision); + } + +#ifndef AVOID_CPIO + + if (pATI->Adapter >= ATI_ADAPTER_MACH8) + +#endif /* AVOID_CPIO */ + + { + Message = Buffer + snprintf(Buffer, SizeOf(Buffer), + "%s bus interface detected", ATIBusNames[pATI->BusType]); + +#ifndef AVOID_CPIO + + if (pATI->Adapter >= ATI_ADAPTER_MACH64) + + { + Message += snprintf(Message, Buffer + SizeOf(Buffer) - Message, + "; %s I/O base is 0x%04lX", + (pATI->CPIODecoding == SPARSE_IO) ? "sparse" : "block", + pATI->CPIOBase); + } + +#endif /* AVOID_CPIO */ + + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, "%s.\n", Buffer); + } + +#ifndef AVOID_CPIO + + if (pATI->CPIO_VGAWonder) + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "VGA Wonder registers at I/O port 0x%04X.\n", + pATI->CPIO_VGAWonder); + + if (pATI->Coprocessor != ATI_CHIP_NONE) + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "%s graphics accelerator detected,\n with %d kB of coprocessor" + " memory.\n", + ATIChipNames[pATI->Coprocessor], pATI->VideoRAM); + +#endif /* AVOID_CPIO */ + + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "%s adapter detected.\n", ATIAdapterNames[pATI->Adapter]); + + if (pATI->Chip >= ATI_CHIP_264GT) + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "For information on using the multimedia capabilities\n of this" + " adapter, please see http://gatos.sf.net.\n"); + + if ((pATI->DAC & ~0x0FU) == ATI_DAC_INTERNAL) + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "Internal RAMDAC (subtype %d) detected.\n", pATI->DAC & 0x0FU); + else + { + const SymTabRec *DAC; + + for (DAC = ATIDACDescriptors; ; DAC++) + { + if (pATI->DAC == DAC->token) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "%s RAMDAC detected.\n", DAC->name); + break; + } + + if (pATI->DAC < DAC->token) + { + xf86DrvMsgVerb(pScreenInfo->scrnIndex, X_WARNING, 0, + "Unknown RAMDAC type 0x%02X detected.\n", pATI->DAC); + break; + } + } + } + +#ifdef AVOID_CPIO + + if (!xf86LinearVidMem()) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "A linear aperture is not available.\n"); + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + +#endif /* AVOID_CPIO */ + + /* + * Set colour weights. + */ + + if (pATI->Chip < ATI_CHIP_264CT) + pScreenInfo->rgbBits = 6; + else + pScreenInfo->rgbBits = 8; + pATI->rgbBits = pScreenInfo->rgbBits; + if (!xf86SetWeight(pScreenInfo, defaultWeight, defaultWeight)) + { + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + if ((pScreenInfo->depth > 8) && + ((pScreenInfo->weight.red != pScreenInfo->weight.blue) || + (pScreenInfo->weight.red != (CARD32)(pScreenInfo->depth / 3)) || + ((CARD32)pScreenInfo->depth != (pScreenInfo->weight.red + + pScreenInfo->weight.green + + pScreenInfo->weight.blue)))) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Driver does not support weight %d%d%d for depth %d.\n", + pScreenInfo->weight.red, pScreenInfo->weight.green, + pScreenInfo->weight.blue, pScreenInfo->depth); + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + /* + * Set default visual. + */ + + if (!xf86SetDefaultVisual(pScreenInfo, -1)) + { + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + if ((pScreenInfo->depth > 8) && + (((pScreenInfo->defaultVisual | DynamicClass) != DirectColor) || + ((pScreenInfo->defaultVisual == DirectColor) && + (pATI->DAC == ATI_DAC_INTERNAL)))) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Driver does not support default visual %s for depth %d.\n", + xf86GetVisualName(pScreenInfo->defaultVisual), + pScreenInfo->depth); + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + /* + * Set colour gamma. + */ + +#ifndef AVOID_CPIO + + if (pScreenInfo->depth > 1) + +#endif /* AVOID_CPIO */ + + { + if (!xf86SetGamma(pScreenInfo, defaultGamma)) + { + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + } + + pATI->depth = pScreenInfo->depth; + pATI->bitsPerPixel = pScreenInfo->bitsPerPixel; + pATI->weight = pScreenInfo->weight; + pATI->XModifier = pATI->bitsPerPixel / UnitOf(pATI->bitsPerPixel); + + /* + * Determine which CRT controller to use for video modes. + */ + +#ifndef AVOID_CPIO + + if ((pATI->Chip >= ATI_CHIP_88800GXC) && + (pATI->depth >= 8) && + (pATI->Chipset == ATI_CHIPSET_ATI)) + +#endif /* AVOID_CPIO */ + + { + pATI->NewHW.crtc = ATI_CRTC_MACH64; + + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Using Mach64 accelerator CRTC.\n"); + +#ifndef AVOID_CPIO + + if (pATI->VGAAdapter != ATI_ADAPTER_NONE) + { + /* + * No need for VGA I/O resources during operating state (but they + * are still decoded). + */ + pResources = + xf86SetOperatingState(resVgaIo, pATI->iEntity, ResUnusedOpr); + if (pResources) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Logic error setting operating state for VGA I/O.\n"); + xf86FreeResList(pResources); + } + + if (pATI->CPIO_VGAWonder) + { + pResources = xf86SetOperatingState(pATI->VGAWonderResources, + pATI->iEntity, ResUnusedOpr); + if (pResources) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Logic error setting operating state for" + " VGAWonder I/O.\n"); + xf86FreeResList(pResources); + } + } + } + +#endif /* AVOID_CPIO */ + + } + +#ifndef AVOID_CPIO + + else + { + pATI->NewHW.crtc = ATI_CRTC_VGA; + + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Using VGA CRTC.\n"); + } + + /* Complain if VGA is needed but not there */ + if ((pATI->NewHW.crtc == ATI_CRTC_VGA) || !pATI->OptionLinear) + { + /* VGA is required at this point */ + if (pATI->VGAAdapter == ATI_ADAPTER_NONE) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "VGA is not available through this adapter.\n"); + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + if (pATI->Coprocessor != ATI_CHIP_NONE) + { + /* Ignore any 8514/A or Mach8 accelerator from this point on */ + pATI->Adapter = pATI->VGAAdapter; + + /* Accelerator and VGA cannot share memory */ + pATI->VideoRAM = 0; + } + } + +#endif /* AVOID_CPIO */ + + /* + * Decide between the CRT and the panel. + */ + if (pATI->LCDPanelID >= 0) + { + if (!pATI->OptionPanelDisplay) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_CONFIG, + "Using CRT interface and disabling digital flat panel.\n"); + } + else + { + int HDisplay, VDisplay; + CARD8 ClockMask, PostMask; + + /* + * Determine porch data. The following is inaccurate (but still + * good enough) when BIOS initialisation has set things up so that + * the registers read here are not the ones actually in use by the + * panel. Thus, a further refinement here would be to flip back + * and forth between shadow and non-shadow registers as dictated by + * the various LCD_GEN_CNTL and CONFIG_PANEL bits involved. + * + * This groks the mode on entry to extract the width and position + * of its sync and blanking pulses, and considers any overscan as + * part of the displayed area, given that the overscan is also + * stretched. + * + * This also attempts to determine panel dimensions but cannot do + * so for one that is "auto-stretched". + */ + +#ifndef AVOID_CPIO + + if (!(pATIHW->crtc_gen_cntl & CRTC_EXT_DISP_EN)) + { + pATIHW->clock = (inb(R_GENMO) & 0x0CU) >> 2; + + pATIHW->crt[0] = GetReg(CRTX(pATI->CPIO_VGABase), 0x00U); + pATIHW->crt[2] = GetReg(CRTX(pATI->CPIO_VGABase), 0x02U); + pATIHW->crt[3] = GetReg(CRTX(pATI->CPIO_VGABase), 0x03U); + pATIHW->crt[4] = GetReg(CRTX(pATI->CPIO_VGABase), 0x04U); + pATIHW->crt[5] = GetReg(CRTX(pATI->CPIO_VGABase), 0x05U); + pATIHW->crt[6] = GetReg(CRTX(pATI->CPIO_VGABase), 0x06U); + pATIHW->crt[7] = GetReg(CRTX(pATI->CPIO_VGABase), 0x07U); + pATIHW->crt[9] = GetReg(CRTX(pATI->CPIO_VGABase), 0x09U); + pATIHW->crt[16] = GetReg(CRTX(pATI->CPIO_VGABase), 0x10U); + pATIHW->crt[17] = GetReg(CRTX(pATI->CPIO_VGABase), 0x11U); + pATIHW->crt[21] = GetReg(CRTX(pATI->CPIO_VGABase), 0x15U); + pATIHW->crt[22] = GetReg(CRTX(pATI->CPIO_VGABase), 0x16U); + + pATI->LCDHSyncWidth = + (pATIHW->crt[5] - pATIHW->crt[4]) & 0x1FU; + pATI->LCDHBlankWidth = (((pATIHW->crt[3] & 0x1FU) | + ((pATIHW->crt[5] >> 2) & 0x20U)) - + pATIHW->crt[2]) & 0x3FU; + pATI->LCDVSyncWidth = + (pATIHW->crt[17] - pATIHW->crt[16]) & 0x0FU; + pATI->LCDVBlankWidth = + ((pATIHW->crt[22] - pATIHW->crt[21]) & 0xFFU) + 1; + + pATI->LCDHSyncStart = + ((pATIHW->crt[4] - pATIHW->crt[2]) & 0xFFU) + 1; + pATI->LCDVSyncStart = (((((pATIHW->crt[7] << 2) & 0x0200U) | + ((pATIHW->crt[7] << 6) & 0x0100U) | + pATIHW->crt[16]) - + (((pATIHW->crt[9] << 4) & 0x0200U) | + ((pATIHW->crt[7] << 5) & 0x0100U) | + pATIHW->crt[21])) & 0xFFU) + 1; + + HDisplay = pATI->LCDHSyncStart + pATI->LCDHSyncWidth - + pATI->LCDHBlankWidth; + if (HDisplay > 0) + pATI->LCDHBlankWidth += (HDisplay + 0x3FU) & ~0x3FU; + VDisplay = pATI->LCDVSyncStart + pATI->LCDVSyncWidth - + pATI->LCDVBlankWidth; + if (VDisplay > 0) + pATI->LCDVBlankWidth += (VDisplay + 0xFFU) & ~0xFFU; + + HDisplay = pATIHW->crt[0] + 5 - pATI->LCDHBlankWidth; + VDisplay = (((pATIHW->crt[7] << 4) & 0x0200U) | + ((pATIHW->crt[7] << 8) & 0x0100U) | + pATIHW->crt[6]) + 3 - pATI->LCDVBlankWidth; + } + else + +#endif /* AVOID_CPIO */ + + { + pATIHW->clock = inr(CLOCK_CNTL) & 0x03U; + + pATIHW->crtc_h_total_disp = inr(CRTC_H_TOTAL_DISP); + pATIHW->crtc_h_sync_strt_wid = inr(CRTC_H_SYNC_STRT_WID); + pATIHW->crtc_v_total_disp = inr(CRTC_V_TOTAL_DISP); + pATIHW->crtc_v_sync_strt_wid = inr(CRTC_V_SYNC_STRT_WID); + pATIHW->ovr_wid_left_right = inr(OVR_WID_LEFT_RIGHT); + pATIHW->ovr_wid_top_bottom = inr(OVR_WID_TOP_BOTTOM); + + HDisplay = GetBits(pATIHW->crtc_h_total_disp, CRTC_H_DISP) + + GetBits(pATIHW->ovr_wid_left_right, OVR_WID_LEFT) + + GetBits(pATIHW->ovr_wid_left_right, OVR_WID_RIGHT); + VDisplay = GetBits(pATIHW->crtc_v_total_disp, CRTC_V_DISP) + + GetBits(pATIHW->ovr_wid_top_bottom, OVR_WID_TOP) + + GetBits(pATIHW->ovr_wid_top_bottom, OVR_WID_BOTTOM); + + pATI->LCDHSyncStart = + (GetBits(pATIHW->crtc_h_sync_strt_wid, + CRTC_H_SYNC_STRT_HI) * + (MaxBits(CRTC_H_SYNC_STRT) + 1)) + + GetBits(pATIHW->crtc_h_sync_strt_wid, CRTC_H_SYNC_STRT) - + HDisplay; + pATI->LCDHSyncWidth = + GetBits(pATIHW->crtc_h_sync_strt_wid, CRTC_H_SYNC_WID); + pATI->LCDHBlankWidth = + GetBits(pATIHW->crtc_h_total_disp, CRTC_H_TOTAL) - + HDisplay; + pATI->LCDVSyncStart = + GetBits(pATIHW->crtc_v_sync_strt_wid, CRTC_V_SYNC_STRT) - + VDisplay; + pATI->LCDVSyncWidth = + GetBits(pATIHW->crtc_v_sync_strt_wid, CRTC_V_SYNC_WID); + pATI->LCDVBlankWidth = + GetBits(pATIHW->crtc_v_total_disp, CRTC_V_TOTAL) - + VDisplay; + + HDisplay++; + VDisplay++; + } + + HDisplay <<= 3; + pATI->LCDHSyncStart <<= 3; + pATI->LCDHSyncWidth <<= 3; + pATI->LCDHBlankWidth <<= 3; + + /* Calculate panel dimensions implied by the input timing */ + if ((pATIHW->horz_stretching & + (HORZ_STRETCH_EN | AUTO_HORZ_RATIO)) == + HORZ_STRETCH_EN) + { + if (pATIHW->horz_stretching & HORZ_STRETCH_MODE) + { + if (pATIHW->horz_stretching & HORZ_STRETCH_BLEND) + { + HDisplay = + (HDisplay * (MaxBits(HORZ_STRETCH_BLEND) + 1)) / + GetBits(pATIHW->horz_stretching, + HORZ_STRETCH_BLEND); + } + } + else if (((pATIHW->horz_stretching & HORZ_STRETCH_LOOP) > + HORZ_STRETCH_LOOP15) || + (pATIHW->horz_stretching & + SetBits(1, HORZ_STRETCH_RATIO))) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Ignoring invalid horizontal stretch ratio in mode on" + " server entry.\n"); + } + else + { + IOValue = + GetBits(pATIHW->horz_stretching, HORZ_STRETCH_RATIO); + + switch (GetBits(pATIHW->horz_stretching, + HORZ_STRETCH_LOOP)) + { + case GetBits(HORZ_STRETCH_LOOP09, HORZ_STRETCH_LOOP): + i = 9; + IOValue &= (1 << 9) - 1; + break; + + case GetBits(HORZ_STRETCH_LOOP11, HORZ_STRETCH_LOOP): + i = 11; + IOValue &= (1 << 11) - 1; + break; + + case GetBits(HORZ_STRETCH_LOOP12, HORZ_STRETCH_LOOP): + i = 12; + IOValue &= (1 << 12) - 1; + break; + + case GetBits(HORZ_STRETCH_LOOP14, HORZ_STRETCH_LOOP): + i = 14; + IOValue &= (1 << 14) - 1; + break; + + case GetBits(HORZ_STRETCH_LOOP15, HORZ_STRETCH_LOOP): + default: /* Muffle compiler */ + i = 15; + IOValue &= (1 << 15) - 1; + break; + } + + if (IOValue) + { + /* Count the number of bits in IOValue */ + j = (IOValue >> 1) & 0x36DBU; + j = IOValue - j - ((j >> 1) & 0x36DBU); + j = ((j + (j >> 3)) & 0x71C7U) % 0x3FU; + + HDisplay = (HDisplay * i) / j; + } + } + } + + if ((pATIHW->vert_stretching & VERT_STRETCH_EN) && + !(pATIHW->ext_vert_stretch & AUTO_VERT_RATIO)) + { + if ((pATIHW->vert_stretching & VERT_STRETCH_USE0) || + (VDisplay <= 350)) + IOValue = + GetBits(pATIHW->vert_stretching, VERT_STRETCH_RATIO0); + else if (VDisplay <= 400) + IOValue = + GetBits(pATIHW->vert_stretching, VERT_STRETCH_RATIO1); + else if ((VDisplay <= 480) || + !(pATIHW->ext_vert_stretch & VERT_STRETCH_RATIO3)) + IOValue = + GetBits(pATIHW->vert_stretching, VERT_STRETCH_RATIO2); + else + IOValue = + GetBits(pATIHW->ext_vert_stretch, VERT_STRETCH_RATIO3); + + if (IOValue) + VDisplay = + (VDisplay * (MaxBits(VERT_STRETCH_RATIO0) + 1)) / + IOValue; + } + + /* Match calculated dimensions to probed dimensions */ + if (!pATI->LCDHorizontal) + { + if ((pATIHW->horz_stretching & + (HORZ_STRETCH_EN | AUTO_HORZ_RATIO)) != + (HORZ_STRETCH_EN | AUTO_HORZ_RATIO)) + pATI->LCDHorizontal = HDisplay; + } + else if (pATI->LCDHorizontal != HDisplay) + { + if ((pATIHW->horz_stretching & + (HORZ_STRETCH_EN | AUTO_HORZ_RATIO)) != + (HORZ_STRETCH_EN | AUTO_HORZ_RATIO)) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Inconsistent panel horizontal dimension:" + " %d and %d.\n", pATI->LCDHorizontal, HDisplay); + HDisplay = pATI->LCDHorizontal; + } + + if (!pATI->LCDVertical) + { + if (!(pATIHW->vert_stretching & VERT_STRETCH_EN) || + !(pATIHW->ext_vert_stretch & AUTO_VERT_RATIO)) + pATI->LCDVertical = VDisplay; + } + else if (pATI->LCDVertical != VDisplay) + { + if (!(pATIHW->vert_stretching & VERT_STRETCH_EN) || + !(pATIHW->ext_vert_stretch & AUTO_VERT_RATIO)) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Inconsistent panel vertical dimension: %d and %d.\n", + pATI->LCDVertical, VDisplay); + VDisplay = pATI->LCDVertical; + } + + if (!pATI->LCDHorizontal || !pATI->LCDVertical) + { + if (pATI->LCDPanelID || (pATI->Chip <= ATI_CHIP_264LTPRO)) + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Unable to determine dimensions of panel (ID %d).\n", + pATI->LCDPanelID); + else + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Unable to determine dimensions of panel.\n"); + + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + /* If the mode on entry wasn't stretched, adjust timings */ + if (!(pATIHW->horz_stretching & HORZ_STRETCH_EN) && + ((HDisplay = pATI->LCDHorizontal - HDisplay) > 0)) + { + pATI->LCDHSyncStart -= HDisplay; + if (pATI->LCDHSyncStart < 0) + pATI->LCDHSyncStart = 0; + pATI->LCDHBlankWidth -= HDisplay; + HDisplay = pATI->LCDHSyncStart + pATI->LCDHSyncWidth; + if (pATI->LCDHBlankWidth < HDisplay) + pATI->LCDHBlankWidth = HDisplay; + } + + if (!(pATIHW->vert_stretching & VERT_STRETCH_EN) && + ((VDisplay = pATI->LCDVertical - VDisplay) > 0)) + { + pATI->LCDVSyncStart -= VDisplay; + if (pATI->LCDVSyncStart < 0) + pATI->LCDVSyncStart = 0; + pATI->LCDVBlankWidth -= VDisplay; + VDisplay = pATI->LCDVSyncStart + pATI->LCDVSyncWidth; + if (pATI->LCDVBlankWidth < VDisplay) + pATI->LCDVBlankWidth = VDisplay; + } + + if (pATI->LCDPanelID || (pATI->Chip <= ATI_CHIP_264LTPRO)) + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "%dx%d panel (ID %d) detected.\n", + pATI->LCDHorizontal, pATI->LCDVertical, pATI->LCDPanelID); + else + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "%dx%d panel detected.\n", + pATI->LCDHorizontal, pATI->LCDVertical); + + if (LCDPanelInfo) + { + for (i = 0; i < 24; i++) + Buffer[i] = BIOSByte(LCDPanelInfo + 1 + i); + for (; --i >= 0; ) + if (Buffer[i] && Buffer[i] != ' ') + { + Buffer[i + 1] = '\0'; + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "Panel model %s.\n", Buffer); + break; + } + } + + /* + * Determine panel clock. This must be done after option + * processing so that the adapter's reference frequency is always + * available. + * + * Get post divider. A GCC bug has caused the following expression + * to be broken down into its individual components. + */ + ClockMask = PLL_VCLK0_XDIV << pATIHW->clock; + PostMask = PLL_VCLK0_POST_DIV << (pATIHW->clock * 2); + i = GetBits(ATIGetMach64PLLReg(PLL_XCLK_CNTL), ClockMask); + i *= MaxBits(PLL_VCLK0_POST_DIV) + 1; + i |= GetBits(ATIGetMach64PLLReg(PLL_VCLK_POST_DIV), PostMask); + + /* Calculate clock of mode on entry */ + Numerator = ATIGetMach64PLLReg(PLL_VCLK0_FB_DIV + pATIHW->clock) * + pATI->ReferenceNumerator; + Denominator = pATI->ClockDescriptor.MinM * + pATI->ReferenceDenominator * + pATI->ClockDescriptor.PostDividers[i]; + pATI->LCDClock = ATIDivide(Numerator, Denominator, 1, 0); + + xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED, + "Panel clock is %.3f MHz.\n", + (double)(pATI->LCDClock) / 1000.0); + + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Using digital flat panel interface%s.\n", + pATI->OptionCRTDisplay ? + " to display on both CRT and panel" : ""); + } + } + + /* + * Finish detecting video RAM size. + */ + pScreenInfo->videoRam = pATI->VideoRAM; + +#ifndef AVOID_CPIO + + AcceleratorVideoRAM = pScreenInfo->videoRam; + if (pATI->Chip == ATI_CHIP_VGA) + { + if (pATI->depth <= 4) + VGAVideoRAM = 256; + else + VGAVideoRAM = 64; + + /* For VGA, allow a lower override */ + if ((pGDev->videoRam > 0) && (pGDev->videoRam < VGAVideoRAM)) + VGAVideoRAM = pGDev->videoRam; + } + else if (pATI->CPIO_VGAWonder) + { + /* + * XXX There's an assumption here that the values retrieved are those + * set by BIOS initialisation. + */ + if (pATI->Chip <= ATI_CHIP_18800_1) + { + VGAVideoRAM = + videoRamSizes[GetBits(ATIGetExtReg(0xBBU), 0x20U) + 1]; + if (AcceleratorVideoRAM > 512) + AcceleratorVideoRAM = 512; + } + else + { + IOValue = ATIGetExtReg(0xB0U); + if (IOValue & 0x08U) + VGAVideoRAM = 1024; + else if (IOValue & 0x10U) + VGAVideoRAM = 512; + else + VGAVideoRAM = 256; + if (AcceleratorVideoRAM > 1024) + AcceleratorVideoRAM = 1024; + } + } + + /* Check for hardware limitations */ + if (!AcceleratorVideoRAM) + { + pScreenInfo->videoRam = pATI->VideoRAM = VGAVideoRAM; + + /* + * VGA Wonder V3's, V4's and V5's don't appear to support banking in + * planar modes. + */ + if ((pATI->depth <= 4) && + (pATI->Chip <= ATI_CHIP_18800_1) && + (VGAVideoRAM > 256)) + { + if (pATI->OptionDevel) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "Virtual resolutions requiring more than %s kB\n of video" + " memory might not function properly.\n", + (pATI->depth == 1) ? "64" : "256"); + } + else + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "VideoRAM reduced to 256 kB due to hardware" + " limitations.\n"); + pScreenInfo->videoRam = 256; + } + } + } + else if ((pATI->NewHW.crtc == ATI_CRTC_MACH64) || + (pATI->Chip >= ATI_CHIP_264CT)) + +#endif /* AVOID_CPIO */ + + { + +#ifndef AVOID_CPIO + + if (pATI->depth >= 8) + +#endif /* AVOID_CPIO */ + + { + /* Get adapter's linear aperture configuration */ + pATIHW->config_cntl = inr(CONFIG_CNTL); + pATI->LinearBase = + GetBits(pATIHW->config_cntl, CFG_MEM_AP_LOC) << 22; + if ((pATIHW->config_cntl & CFG_MEM_AP_SIZE) != CFG_MEM_AP_SIZE) + { + pATI->LinearSize = + GetBits(pATIHW->config_cntl, CFG_MEM_AP_SIZE) << 22; + + /* + * Linear aperture could have been disabled (but still + * assigned) by BIOS initialisation. + */ + if (pATI->LinearBase && !pATI->LinearSize) + { + if ((pATI->Chip <= ATI_CHIP_88800GXD) && + (pATI->VideoRAM < 4096)) + pATI->LinearSize = 4 * 1024 * 1024; + else + pATI->LinearSize = 8 * 1024 * 1024; + } + } + +#ifndef AVOID_CPIO + + /* Except for PCI & AGP, allow for user override */ + if (!pVideo) + { + if (pATI->Chip == ATI_CHIP_88800CX) + IOValue = ~((CARD32)((1 << 23) - 1)); + else if (pATI->Chip >= ATI_CHIP_88800GXE) + IOValue = ~((CARD32)((1 << 24) - 1)); + else if (pATI->VideoRAM >= 4096) + IOValue = ~((CARD32)((1 << 23) - 1)); + else + IOValue = ~((CARD32)((1 << 22) - 1)); + + if ((IOValue &= pGDev->MemBase) && + (IOValue <= (MaxBits(CFG_MEM_AP_LOC) << 22))) + pATI->LinearBase = IOValue; + + if (!pATI->LinearBase) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Linear aperture not configured. Specify \"MemBase\"" + " override in XF86Config \"Device\" section.\n"); + else + { + if (!pATI->LinearSize) + { + if ((pATI->Chip <= ATI_CHIP_88800GXD) && + (pATI->VideoRAM < 4096)) + pATI->LinearSize = 4 * 1024 * 1024; + else + pATI->LinearSize = 8 * 1024 * 1024; + } + + Resources[0].type = ResExcMemBlock | ResBus; + Resources[0].rBegin = pATI->LinearBase; + Resources[0].rEnd = + pATI->LinearBase + pATI->LinearSize - 1; + if (xf86RegisterResources(pATI->iEntity, Resources, + ResNone)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Unable to register %d MB linear aperture at" + " 0x%08X.\n", pATI->LinearSize >> 10, + pATI->LinearBase); + + pATI->LinearSize = 0; + } + } + } + +#endif /* AVOID_CPIO */ + + if (pATI->LinearBase && pATI->LinearSize) + { + /* + * Unless specified in PCI configuration space, set MMIO + * address to tail end of linear aperture. + */ + if (!pATI->Block0Base) + { + pATI->Block0Base = + pATI->LinearBase + pATI->LinearSize - 0x00000400U; + pATI->MMIOInLinear = pATI->OptionAccel; + } + + AcceleratorVideoRAM = pATI->LinearSize >> 10; + + /* + * Account for MMIO area at the tail end of the linear + * aperture, if it is needed or if it cannot be disabled. + */ + if (pATI->MMIOInLinear || (pATI->Chip < ATI_CHIP_264VTB)) + AcceleratorVideoRAM -= 2; + + ServerVideoRAM = pATI->VideoRAM; + + if (pATI->Cursor > ATI_CURSOR_SOFTWARE) + { + /* + * Allocate a 1 kB cursor image area at the top of the + * little-endian aperture, just before any MMIO area that + * might also be there. + */ + if (ServerVideoRAM > AcceleratorVideoRAM) + ServerVideoRAM = AcceleratorVideoRAM; + + ServerVideoRAM--; + pATI->CursorOffset = ServerVideoRAM << 10; + pATI->CursorBase = pATI->LinearBase + pATI->CursorOffset; + + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Storing hardware cursor image at 0x%08X.\n", + pATI->CursorBase); + } + +#ifndef AVOID_CPIO + + if (pATI->OptionLinear) + +#endif /* AVOID_CPIO */ + + { + CARD32 PageSize = getpagesize() >> 10; + +#if X_BYTE_ORDER == X_LITTLE_ENDIAN + + /* + * MMIO areas must be mmap()'ed separately to avoid write + * combining them. Thus, they might not end up still + * adjacent with the little-endian linear aperture after + * mmap()'ing. So, round down the linear aperture size to + * avoid an overlap. Any hardware cursor image area might + * not end up being write combined, but this seems + * preferable to further reducing the video memory size + * advertised to the server. + * + * XXX Ideally this should be dealt with in the os-support + * layer, i.e., it should be possible to reset a + * subarea's write combining after it has been + * mmap()'ed, but doing so currently causes the removal + * of write combining for the entire aperture. + */ + if (pATI->MMIOInLinear) + AcceleratorVideoRAM -= AcceleratorVideoRAM % PageSize; + +#else /* if X_BYTE_ORDER != X_LITTLE_ENDIAN */ + + /* + * Big-endian apertures are 8 MB higher and don't contain + * an MMIO area. + */ + pATI->LinearBase += 0x00800000U; + AcceleratorVideoRAM = pATI->LinearSize >> 10; + +#endif /* X_BYTE_ORDER */ + + if (ServerVideoRAM > AcceleratorVideoRAM) + ServerVideoRAM = AcceleratorVideoRAM; + else if (AcceleratorVideoRAM > pATI->VideoRAM) + AcceleratorVideoRAM = pATI->VideoRAM; + + PageSize--; + AcceleratorVideoRAM = + (AcceleratorVideoRAM + PageSize) & ~PageSize; + + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Using %d MB linear aperture at 0x%08X.\n", + pATI->LinearSize >> 20, pATI->LinearBase); + + /* Only mmap what is needed */ + ApertureSize = pATI->LinearSize = + AcceleratorVideoRAM << 10; + } + + if (ServerVideoRAM < pATI->VideoRAM) + { + pScreenInfo->videoRam = ServerVideoRAM; + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "Virtual resolutions will be limited to %d kB\n due to" + " linear aperture size and/or placement of hardware" + " cursor image area.\n", + ServerVideoRAM); + } + } + } + +#ifndef AVOID_CPIO + + /* Set up for a banked aperture */ + if (pATI->VGAAdapter != ATI_ADAPTER_NONE) + { + pATI->UseSmallApertures = TRUE; + + /* Set banking functions */ + if (pATI->depth <= 4) + { + pATI->NewHW.SetBank = ATIMach64SetBankPlanar; + pATI->BankInfo.SetSourceBank = ATIMach64SetReadPlanar; + pATI->BankInfo.SetDestinationBank = ATIMach64SetWritePlanar; + pATI->BankInfo.SetSourceAndDestinationBanks = + ATIMach64SetReadWritePlanar; + } + else + { + pATI->NewHW.SetBank = ATIMach64SetBankPacked; + pATI->BankInfo.SetSourceBank = ATIMach64SetReadPacked; + pATI->BankInfo.SetDestinationBank = ATIMach64SetWritePacked; + pATI->BankInfo.SetSourceAndDestinationBanks = + ATIMach64SetReadWritePacked; + } + + /* + * Unless specified in PCI configuration space, or at the top of + * of a little-endian linear aperture, set MMIO address to the one + * just above the VGA aperture. This does not work on the CT + * (maybe others). + */ + if (!pATI->Block0Base && + ((pATI->Chip < ATI_CHIP_264CT) || + (pATI->Chip >= ATI_CHIP_264VT) || + pATI->OptionDevel)) + pATI->Block0Base = 0x000BFC00U; + } + + if (!pATI->OptionLinear) + pATI->LinearBase = 0; /* Not needed */ + +#endif /* AVOID_CPIO */ + + if (!pATI->LinearBase || !pATI->LinearSize) + { + +#ifndef AVOID_CPIO + + if (pATI->VGAAdapter == ATI_ADAPTER_NONE) + +#endif /* AVOID_CPIO */ + + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR, + "Linear aperture not available.\n"); + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + +#ifndef AVOID_CPIO + + /* Insurance */ + pATI->LinearBase = pATI->LinearSize = 0; + +#endif /* AVOID_CPIO */ + + } + +#ifndef AVOID_CPIO + + if (!pATI->OptionAccel) + { + pATI->Block0Base = 0; /* Not needed */ + pATI->MMIOInLinear = FALSE; + } + else + +#endif + + if (pATI->Block0Base) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Using Block 0 MMIO aperture at 0x%08X.\n", pATI->Block0Base); + + /* Set Block1 MMIO address if supported */ + if (pATI->Chip >= ATI_CHIP_264VT) + { + pATI->Block1Base = pATI->Block0Base - 0x00000400U; + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Using Block 1 MMIO aperture at 0x%08X.\n", + pATI->Block1Base); + } + } + } + +#ifndef AVOID_CPIO + + else + /* + * After BIOS initialisation, the accelerator (if any) and the VGA won't + * necessarily agree on the amount of video memory, depending on whether or + * where the memory boundary is configured. Any discrepancy will be + * resolved by ATIModePreInit(). + * + * However, it's possible that there is more video memory than VGA Wonder + * can architecturally handle. + */ + if (((pATI->Chip < ATI_CHIP_68800) || (pATI->Chip > ATI_CHIP_68800AX)) && + (AcceleratorVideoRAM < pScreenInfo->videoRam)) + { + if (pATI->OptionDevel) + { + if (pATI->depth == 1) + AcceleratorVideoRAM /= 4; + + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "Virtual resolutions requiring more than %d kB\n of video" + " memory might not function correctly.\n", + AcceleratorVideoRAM); + } + else + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "VideoRAM reduced to %d kB due to hardware limitations.\n", + AcceleratorVideoRAM); + + pScreenInfo->videoRam = AcceleratorVideoRAM; + } + } + + if (pATI->OptionLinear) + { + if (!pATI->LinearBase) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Linear aperture not supported in this configuration.\n"); + pATI->OptionLinear = FALSE; + } + else + { + if (pATI->VGAAdapter != ATI_ADAPTER_NONE) + { + /* + * Free VGA memory aperture during operating state (but it is + * still decoded). + */ + pResources = xf86SetOperatingState(resVgaMem, + pATI->iEntity, ResUnusedOpr); + if (pResources) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Logic error setting operating state for VGA memory" + " aperture.\n"); + xf86FreeResList(pResources); + } + } + } + } + +#endif /* AVOID_CPIO */ + + if ((pATI->Cursor > ATI_CURSOR_SOFTWARE) && !pATI->CursorBase) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Unable to store hardware cursor image. Reverting to software" + " cursor.\n"); + pATI->Cursor = ATI_CURSOR_SOFTWARE; + } + + /* + * Remap apertures. Must lock and re-unlock around this in case the + * remapping fails. + */ + ATILock(pATI); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + if (!ATIMapApertures(pScreenInfo->scrnIndex, pATI)) + return FALSE; + + ATIUnlock(pATI); + + if (pATI->OptionAccel) + { + +#ifndef AVOID_CPIO + + if (!pATI->Block0Base || (pATI->NewHW.crtc == ATI_CRTC_VGA)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Acceleration not supported in this configuration.\n"); + pATI->OptionAccel = FALSE; + } + else + +#endif /* AVOID_CPIO */ + + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "MMIO write caching %sabled.\n", + pATI->OptionMMIOCache ? "en" : "dis"); + } + } + +#ifndef AVOID_CPIO + + if (pATI->Adapter >= ATI_ADAPTER_MACH32) + +#endif /* AVOID_CPIO */ + + { + if (pATI->Chip >= ATI_CHIP_264CT) + ATIReportMemory(pScreenInfo, pATI, + ATIMemoryTypeNames_264xT[pATI->MemoryType]); + else if (pATI->Chip == ATI_CHIP_88800CX) + ATIReportMemory(pScreenInfo, pATI, + ATIMemoryTypeNames_88800CX[pATI->MemoryType]); + else + ATIReportMemory(pScreenInfo, pATI, + ATIMemoryTypeNames_Mach[pATI->MemoryType]); + } + +#ifndef AVOID_CPIO + + else if (pATI->Adapter >= ATI_ADAPTER_V3) + ATIReportMemory(pScreenInfo, pATI, + (ATIGetExtReg(0xB7U) & 0x04U) ? "DRAM" : "VRAM"); + else + ATIReportMemory(pScreenInfo, pATI, "video memory"); + +#endif /* AVOID_CPIO */ + + /* + * Finish banking setup. This needs to be fixed to not assume the mode on + * entry is a VGA mode. XXX + */ + +#ifndef AVOID_CPIO + + if (pATI->VGAAdapter == ATI_ADAPTER_NONE) + +#endif /* AVOID_CPIO */ + + { + pATIHW->crtc = pATI->NewHW.crtc; + +#ifndef AVOID_CPIO + + pATIHW->SetBank = (ATIBankProcPtr)NoopDDA; + pATI->BankInfo.BankSize = 0; /* No banking */ + +#endif /* AVOID_CPIO */ + + } + +#ifndef AVOID_CPIO + + else + { + pATIHW->crtc = ATI_CRTC_VGA; +#if 0 /* ___NOT_YET___ */ + if (pATI->ChipHasSUBSYS_CNTL) + { + } + else +#endif + if ((pATI->Chip >= ATI_CHIP_88800GXC) && + (pATI->LockData.crtc_gen_cntl & CRTC_EXT_DISP_EN)) + pATIHW->crtc = ATI_CRTC_MACH64; + + if (pATI->depth <= 4) + { + pATI->BankInfo.nBankDepth = 1; + pATI->NewHW.nPlane = 4; + } + else + { + pATI->BankInfo.nBankDepth = pATI->depth; + pATI->NewHW.nPlane = 1; + } + + if ((pATIHW->crtc != ATI_CRTC_VGA) || (GetReg(SEQX, 0x04U) & 0x08U)) + pATIHW->nPlane = 1; + else + pATIHW->nPlane = 4; + + pATIHW->nBank = ATIDivide(pATI->VideoRAM, + pATIHW->nPlane * pATI->BankInfo.BankSize, 10, 1); + pATI->NewHW.nBank = ATIDivide(pATI->VideoRAM, + pATI->NewHW.nPlane * pATI->BankInfo.BankSize, 10, 1); + + if (pATI->VGAAdapter == ATI_ADAPTER_VGA) + { + pATIHW->SetBank = pATI->NewHW.SetBank = + (ATIBankProcPtr)NoopDDA; + pATIHW->nBank = pATI->NewHW.nBank = 1; + } + else if (!pATI->UseSmallApertures) + pATIHW->SetBank = pATI->NewHW.SetBank; + else if ((pATIHW->crtc == ATI_CRTC_VGA) && + !(pATI->LockData.config_cntl & CFG_MEM_VGA_AP_EN)) + { + pATIHW->SetBank = (ATIBankProcPtr)NoopDDA; + pATIHW->nBank = 1; + } + else if (pATIHW->nPlane == 1) + pATIHW->SetBank = ATIMach64SetBankPacked; + else + pATIHW->SetBank = ATIMach64SetBankPlanar; + + if (((ApertureSize * pATI->depth) / pATI->BankInfo.nBankDepth) >= + (unsigned)(pScreenInfo->videoRam * 1024)) + pATI->BankInfo.BankSize = 0; /* No banking */ + } + +#endif /* AVOID_CPIO */ + + if (pATI->OptionShadowFB) + { + /* Until ShadowFB becomes a true screen wrapper, if it ever does... */ + +#ifndef AVOID_CPIO + + if (pATI->BankInfo.BankSize) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Cannot shadow a banked frame buffer.\n"); + pATI->OptionShadowFB = FALSE; + } + else if (pATI->depth < 8) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Cannot shadow a planar frame buffer.\n"); + pATI->OptionShadowFB = FALSE; + } + else + +#endif /* AVOID_CPIO */ + + if (pATI->OptionAccel) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Cannot shadow an accelerated frame buffer.\n"); + pATI->OptionShadowFB = FALSE; + } + else + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Using shadow frame buffer.\n"); + } + + /* 264VT-B's and later have DSP registers */ + if ((pATI->Chip >= ATI_CHIP_264VTB) && + !ATIDSPPreInit(pScreenInfo->scrnIndex, pATI)) + { + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + /* + * Determine minClock and maxClock. For adapters with supported + * programmable clock generators, start with an absolute maximum. + */ + if (pATI->ClockDescriptor.MaxN > 0) + { + Numerator = pATI->ClockDescriptor.MaxN * pATI->ReferenceNumerator; + Denominator = pATI->ClockDescriptor.MinM * pATI->ReferenceDenominator * + pATI->ClockDescriptor.PostDividers[0]; + + /* + * An integrated PLL behaves as though the reference frequency were + * doubled. It also does not appear to care about the colour depth. + */ + if (pATI->ProgrammableClock == ATI_CLOCK_INTERNAL) + Numerator <<= 1; + else if (pATI->depth > 8) + Denominator *= (pATI->bitsPerPixel / 8); + + ATIClockRange.maxClock = (Numerator / (Denominator * 1000)) * 1000; + + Numerator = pATI->ClockDescriptor.MinN * pATI->ReferenceNumerator; + Denominator = pATI->ClockDescriptor.MaxM * pATI->ReferenceDenominator * + pATI->ClockDescriptor.PostDividers[pATI->ClockDescriptor.NumD - 1]; + + if (pATI->ProgrammableClock == ATI_CLOCK_INTERNAL) + Numerator <<= 1; + + ATIClockRange.minClock = (Numerator / (Denominator * 1000)) * 1000; + + if (pATI->XCLKFeedbackDivider) + { + /* Possibly reduce maxClock due to memory bandwidth */ + Numerator = pATI->XCLKFeedbackDivider * 2 * + pATI->ReferenceNumerator; + Denominator = pATI->ClockDescriptor.MinM * + pATI->XCLKReferenceDivider * pATI->ReferenceDenominator; + +#ifndef AVOID_CPIO + + if (pATI->depth >= 8) + +#endif /* AVOID_CPIO */ + + { + Denominator *= pATI->bitsPerPixel / 4; + } + + i = (6 - 2) - pATI->XCLKPostDivider; + +#ifndef AVOID_CPIO + + if (pATI->NewHW.crtc == ATI_CRTC_VGA) + i--; + +#endif /* AVOID_CPIO */ + + i = (ATIDivide(Numerator, Denominator, i, -1) / 1000) * 1000; + if (i < ATIClockRange.maxClock) + ATIClockRange.maxClock = i; + } + } + + /* + * Assume an internal DAC can handle whatever frequency the internal PLL + * can produce (with the reference divider set by BIOS initialisation), but + * default maxClock to a lower chip-specific default. + */ + if ((pATI->DAC & ~0x0FU) == ATI_DAC_INTERNAL) + { + int DacSpeed; + switch (pATI->bitsPerPixel) + { + case 15: + case 16: + DacSpeed = pGDev->dacSpeeds[DAC_BPP16]; + break; + + case 24: + DacSpeed = pGDev->dacSpeeds[DAC_BPP24]; + break; + + case 32: + DacSpeed = pGDev->dacSpeeds[DAC_BPP32]; + break; + + default: + DacSpeed = 0; + break; + } + if (!DacSpeed) + DacSpeed = pGDev->dacSpeeds[DAC_BPP8]; + if (DacSpeed < ATIClockRange.maxClock) + { + DefaultmaxClock = 135000; + + if (pATI->depth > 8) + DefaultmaxClock = 80000; + + if ((pATI->Chip >= ATI_CHIP_264VTB) && + (pATI->Chip != ATI_CHIP_Mach64)) + { + if ((pATI->Chip >= ATI_CHIP_264VT4) && + (pATI->Chip != ATI_CHIP_264LTPRO)) + DefaultmaxClock = 230000; + else if (pATI->Chip >= ATI_CHIP_264VT3) + DefaultmaxClock = 200000; + else + DefaultmaxClock = 170000; + } + if (DacSpeed > DefaultmaxClock) + ATIClockRange.maxClock = DacSpeed; + else if (DefaultmaxClock < ATIClockRange.maxClock) + ATIClockRange.maxClock = DefaultmaxClock; + } + } + else + { + switch(pATI->DAC) + { + case ATI_DAC_STG1700: + case ATI_DAC_STG1702: + case ATI_DAC_STG1703: + DefaultmaxClock = 110000; + break; + + case ATI_DAC_IBMRGB514: + pATI->maxClock = 220000; + +#ifndef AVOID_CPIO + + if (pATI->NewHW.crtc == ATI_CRTC_VGA) + DefaultmaxClock = 100000; + else + +#endif /* AVOID_CPIO */ + + DefaultmaxClock = 220000; + break; + + default: + +#ifndef AVOID_CPIO + + /* + * 80 MHz is too high in some cases. Limit 18800-x's to 40 + * MHz. Don't exceed the memory clock on VGA Wonder capables + * with less than 1 MB, if using a packed mode. + */ + if ((pATI->Chip == ATI_CHIP_18800) || + (pATI->Chip == ATI_CHIP_18800_1)) + DefaultmaxClock = 40000; + else if (pATI->CPIO_VGAWonder && + (pATI->VideoRAM < 1024) && + (pATI->depth >= 8)) + DefaultmaxClock = + (GetBits(BIOSByte(0x44U), 0x04U) * 5000) + 40000; + else + +#endif /* AVOID_CPIO */ + + { + DefaultmaxClock = 80000; + } + + break; + } + + if (DefaultmaxClock < ATIClockRange.maxClock) + ATIClockRange.maxClock = DefaultmaxClock; + } + + if (pATI->ClockDescriptor.MaxN <= 0) + { + ATIClockRange.maxClock = DefaultmaxClock; + xf86DrvMsg(pScreenInfo->scrnIndex, X_INFO, + "Maximum pixel clock: %.3f MHz.\n", + (double)ATIClockRange.maxClock / 1000.0); + } + + /* + * Determine available pixel clock frequencies. + */ + + ATIClockPreInit(pScreenInfo, pATI, pGDev, &ATIClockRange); + if (pATI->ProgrammableClock > ATI_CLOCK_FIXED) + Strategy = LOOKUP_BEST_REFRESH; + + /* + * Mode validation. + */ + +#ifdef AVOID_CPIO + + if (pATI->Chip >= ATI_CHIP_264CT) + minPitch = 8; + +#else /* AVOID_CPIO */ + + if ((pATI->depth >= 8) && (pATI->Chip >= ATI_CHIP_264CT)) + minPitch = 8; + else if (pATI->CPIO_VGAWonder && + (pATI->Chip <= ATI_CHIP_18800_1) && + (pATI->VideoRAM == 256) && + (pATI->depth >= 8)) + { + minPitch = 32; /* Very strange, but true */ + maxPitch = 0x3FU; + } + +#endif /* AVOID_CPIO */ + + else + minPitch = 16; + + pATI->pitchInc = minPitch; + +#ifndef AVOID_CPIO + + if (pATI->depth >= 8) + +#endif /* AVOID_CPIO */ + + { + pATI->pitchInc *= pATI->bitsPerPixel; + } + + switch (pATI->NewHW.crtc) + { + +#ifndef AVOID_CPIO + + case ATI_CRTC_VGA: + /* + * IBM's VGA doesn't allow for interlaced modes. + */ + if (pATI->Adapter <= ATI_ADAPTER_VGA) + ATIClockRange.interlaceAllowed = FALSE; + + pScreenInfo->maxHValue = (0xFFU + 1) << 3; /* max HTotal */ + + /* + * The maximum VTotal value set here applies to all modes, + * including interlaced, doublescanned or multiscanned modes. + * Finer-grained checks are done in ATIValidateMode(). + */ + pScreenInfo->maxVValue = 0x03FFU + 1; + if (pATI->Adapter > ATI_ADAPTER_VGA) + { + pScreenInfo->maxVValue <<= 1; + if (ATIClockRange.interlaceAllowed && + (pATI->Chip < ATI_CHIP_264CT)) + pScreenInfo->maxVValue <<= 1; + } + + /* + * 18800-x and 28800-x do not support interlaced modes when the + * scanline pitch is 2048 pixels or more. For 18800-x's with 256 + * kB of video memory, the limit for 8bpp is 1024. + */ + if (ATIClockRange.interlaceAllowed && + (pATI->Chip <= ATI_CHIP_28800_6)) + { + if (minPitch == 32) + pATI->MaximumInterlacedPitch = 0x1FU * 32; + else + pATI->MaximumInterlacedPitch = 0x7FU * minPitch; + } + + Strategy |= LOOKUP_CLKDIV2; + + break; + +#endif /* AVOID_CPIO */ + + case ATI_CRTC_MACH64: + pScreenInfo->maxHValue = (MaxBits(CRTC_H_TOTAL) + 1) << 3; + + if (pATI->Chip < ATI_CHIP_264VT) + { + /* + * ATI finally fixed accelerated doublescanning in the 264VT + * and later. On 88800's, the bit is documented to exist, but + * only doubles the vertical timings. On the 264CT and 264ET, + * the bit is ignored. + */ + ATIClockRange.doubleScanAllowed = FALSE; + + /* CRTC_H_TOTAL is one bit narrower */ + pScreenInfo->maxHValue >>= 1; + } + + pScreenInfo->maxVValue = MaxBits(CRTC_V_TOTAL) + 1; + + maxPitch = MaxBits(CRTC_PITCH); + + break; + + default: + break; + } + + maxPitch *= minPitch; + + if (pATI->OptionAccel) + { + /* + * Set engine restrictions on coordinate space. Use maxPitch for the + * horizontal and maxHeight for the vertical. + */ + if (maxPitch > (ATIMach64MaxX / pATI->XModifier)) + maxPitch = ATIMach64MaxX / pATI->XModifier; + maxHeight = ATIMach64MaxY; + + /* + * For SGRAM & WRAM adapters, the display engine limits the pitch to + * multiples of 64 bytes. + */ + if ((pATI->Chip >= ATI_CHIP_264CT) && + ((pATI->Chip >= ATI_CHIP_264VTB) || + (pATI->MemoryType >= MEM_264_SGRAM))) + pATI->pitchInc = pATI->XModifier * (64 * 8); + } + + if (pATI->OptionPanelDisplay && (pATI->LCDPanelID >= 0)) + { + /* + * Given LCD modes are more tightly controlled than CRT modes, allow + * the user the option of not specifying a panel's horizontal sync + * and/or vertical refresh tolerances. + */ + Strategy |= LOOKUP_OPTIONAL_TOLERANCES; + + /* + * Add a mode to the end of the monitor's list for the panel's native + * resolution. + */ + pMode = (DisplayModePtr)xnfcalloc(1, SizeOf(DisplayModeRec)); + pMode->name = "Native panel mode"; + pMode->type = M_T_BUILTIN; + pMode->Clock = pATI->LCDClock; + pMode->HDisplay = pATI->LCDHorizontal; + pMode->VDisplay = pATI->LCDVertical; + + /* + * These timings are bogus, but enough to survive sync tolerance + * checks. + */ + pMode->HSyncStart = pMode->HDisplay; + pMode->HSyncEnd = pMode->HSyncStart + minPitch; + pMode->HTotal = pMode->HSyncEnd + minPitch; + pMode->VSyncStart = pMode->VDisplay; + pMode->VSyncEnd = pMode->VSyncStart + 1; + pMode->VTotal = pMode->VSyncEnd + 1; + + pMode->CrtcHDisplay = pMode->HDisplay; + pMode->CrtcHBlankStart = pMode->HDisplay; + pMode->CrtcHSyncStart = pMode->HSyncStart; + pMode->CrtcHSyncEnd = pMode->HSyncEnd; + pMode->CrtcHBlankEnd = pMode->HTotal; + pMode->CrtcHTotal = pMode->HTotal; + + pMode->CrtcVDisplay = pMode->VDisplay; + pMode->CrtcVBlankStart = pMode->VDisplay; + pMode->CrtcVSyncStart = pMode->VSyncStart; + pMode->CrtcVSyncEnd = pMode->VSyncEnd; + pMode->CrtcVBlankEnd = pMode->VTotal; + pMode->CrtcVTotal = pMode->VTotal; + + if (!pScreenInfo->monitor->Modes) + pScreenInfo->monitor->Modes = pMode; + else + { + pScreenInfo->monitor->Last->next = pMode; + pMode->prev = pScreenInfo->monitor->Last; + } + + pScreenInfo->monitor->Last = pMode; + + /* + * Defeat Xconfigurator brain damage. Ignore all HorizSync and + * VertRefresh specifications. For now, this does not take + * SYNC_TOLERANCE into account. + */ + if (pScreenInfo->monitor->nHsync > 0) + { + double hsync = (double)pMode->Clock / + (pATI->LCDHorizontal + pATI->LCDHBlankWidth); + + for (i = 0; ; i++) + { + if (i >= pScreenInfo->monitor->nHsync) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "Conflicting XF86Config HorizSync specification(s)" + " ignored.\n"); + break; + } + + if ((hsync >= pScreenInfo->monitor->hsync[i].lo) && + (hsync <= pScreenInfo->monitor->hsync[i].hi)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Extraneous XF86Config HorizSync specification(s)" + " ignored.\n"); + break; + } + } + + pScreenInfo->monitor->nHsync = 0; + } + + if (pScreenInfo->monitor->nVrefresh > 0) + { + double vrefresh = ((double)pMode->Clock * 1000.0) / + ((pATI->LCDHorizontal + pATI->LCDHBlankWidth) * + (pATI->LCDVertical + pATI->LCDVBlankWidth)); + + for (i = 0; ; i++) + { + if (i >= pScreenInfo->monitor->nVrefresh) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_NOTICE, + "Conflicting XF86Config VertRefresh specification(s)" + " ignored.\n"); + break; + } + + if ((vrefresh >= pScreenInfo->monitor->vrefresh[i].lo) && + (vrefresh <= pScreenInfo->monitor->vrefresh[i].hi)) + { + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Extraneous XF86Config VertRefresh specification(s)" + " ignored.\n"); + break; + } + } + + pScreenInfo->monitor->nVrefresh = 0; + } + } + + i = xf86ValidateModes(pScreenInfo, + pScreenInfo->monitor->Modes, pScreenInfo->display->modes, + &ATIClockRange, NULL, minPitch, maxPitch, + pATI->pitchInc, 0, maxHeight, + pScreenInfo->display->virtualX, pScreenInfo->display->virtualY, + ApertureSize, Strategy); + if (i <= 0) + { + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + /* Remove invalid modes */ + xf86PruneDriverModes(pScreenInfo); + + /* Set current mode to the first in the list */ + pScreenInfo->currentMode = pScreenInfo->modes; + + /* Print mode list */ + xf86PrintModes(pScreenInfo); + + /* Set display resolution */ + xf86SetDpi(pScreenInfo, 0, 0); + + /* Load required modules */ + if (!ATILoadModules(pScreenInfo, pATI)) + { + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + return FALSE; + } + + pATI->displayWidth = pScreenInfo->displayWidth; + + /* Initialise for panning */ + ATIAdjustPreInit(pATI); + + /* + * Warn about modes that are too small, or not aligned, to scroll to the + * bottom right corner of the virtual screen. + */ + MinX = pScreenInfo->virtualX - pATI->AdjustMaxX; + MinY = pScreenInfo->virtualY - pATI->AdjustMaxY; + + pMode = pScreenInfo->modes; + do + { + if ((pMode->VDisplay <= MinY) && + ((pMode->VDisplay < MinY) || (pMode->HDisplay < MinX))) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Mode \"%s\" too small to scroll to bottom right corner of" + " virtual resolution.\n", pMode->name); + else if ((pMode->HDisplay & ~pATI->AdjustMask) / pScreenInfo->xInc) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Mode \"%s\" cannot scroll to bottom right corner of virtual" + " resolution.\n Horizontal dimension not a multiple of %d.\n", + pMode->name, ~pATI->AdjustMask + 1); + } while ((pMode = pMode->next) != pScreenInfo->modes); + + /* Initialise CRTC code */ + ATIModePreInit(pScreenInfo, pATI, &pATI->NewHW); + + if (!pScreenInfo->chipset || !*pScreenInfo->chipset) + pScreenInfo->chipset = (char *)ATIChipsetNames[0]; + + ATILock(pATI); + ATIPrintNoiseIfRequested(pATI, BIOS, BIOSSize); + ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); + + return TRUE; +} |