diff options
Diffstat (limited to 'src/atipreinit.c')
| -rw-r--r-- | src/atipreinit.c | 591 |
1 files changed, 7 insertions, 584 deletions
diff --git a/src/atipreinit.c b/src/atipreinit.c index ff5cc04..bfdd56d 100644 --- a/src/atipreinit.c +++ b/src/atipreinit.c @@ -54,250 +54,6 @@ #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 -- * @@ -317,19 +73,6 @@ ATIReportMemory 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, @@ -487,28 +230,6 @@ ATIPreInit /* 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: @@ -523,8 +244,7 @@ ATIPreInit pScreenInfo->monitor = pScreenInfo->confScreen->monitor; /* Set depth, bpp, etc. */ - if ((pATI->Chipset != ATI_CHIPSET_ATI) || - (pATI->Chip < ATI_CHIP_264CT)) + if ((pATI->Chip < ATI_CHIP_264CT)) { i = NoDepth24Support; /* No support for >8bpp either */ DefaultDepth = 8; @@ -542,15 +262,6 @@ ATIPreInit { static const CARD8 AllowedDepthBpp[][2] = { - -#ifndef AVOID_CPIO - - { 1, 1}, - { 4, 4}, - { 4, 8}, - -#endif /* AVOID_CPIO */ - { 8, 8}, {15, 16}, {16, 16}, @@ -781,70 +492,6 @@ ATIPreInit /* 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 { @@ -1035,13 +682,6 @@ ATIPreInit * 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; @@ -1161,9 +801,7 @@ ATIPreInit * accelerator modes. */ if ((pATI->ProgrammableClock == ATI_CLOCK_ICS2595) && - (pATI->DAC == ATI_DAC_IBMRGB514) && - (pScreenInfo->depth >= 8) && - (pATI->Chipset == ATI_CHIPSET_ATI)) + (pATI->DAC == ATI_DAC_IBMRGB514)) pATI->ProgrammableClock = ATI_CLOCK_IBMRGB514; pATI->ClockDescriptor = @@ -1414,29 +1052,10 @@ ATIPreInit 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); @@ -1458,19 +1077,12 @@ ATIPreInit 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", @@ -1605,14 +1217,6 @@ ATIPreInit /* * Set colour gamma. */ - -#ifndef AVOID_CPIO - - if (pScreenInfo->depth > 1) - -#endif /* AVOID_CPIO */ - - { if (!xf86SetGamma(pScreenInfo, defaultGamma)) { ATILock(pATI); @@ -1620,7 +1224,6 @@ ATIPreInit ATIUnmapApertures(pScreenInfo->scrnIndex, pATI); return FALSE; } - } pATI->depth = pScreenInfo->depth; pATI->bitsPerPixel = pScreenInfo->bitsPerPixel; @@ -1631,14 +1234,6 @@ ATIPreInit * 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; @@ -1682,14 +1277,6 @@ ATIPreInit #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) { @@ -2317,31 +1904,12 @@ ATIPreInit #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) + 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) @@ -2359,30 +1927,6 @@ ATIPreInit 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)) @@ -2390,13 +1934,6 @@ ATIPreInit #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); @@ -2598,15 +2135,6 @@ ATIPreInit 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; @@ -2688,8 +2216,7 @@ ATIPreInit * 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 ((AcceleratorVideoRAM < pScreenInfo->videoRam)) { if (pATI->OptionDevel) { @@ -2780,12 +2307,6 @@ ATIPreInit } } -#ifndef AVOID_CPIO - - if (pATI->Adapter >= ATI_ADAPTER_MACH32) - -#endif /* AVOID_CPIO */ - { if (pATI->Chip >= ATI_CHIP_264CT) ATIReportMemory(pScreenInfo, pATI, @@ -2798,20 +2319,6 @@ ATIPreInit 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 @@ -2840,18 +2347,11 @@ ATIPreInit else { pATIHW->crtc = ATI_CRTC_VGA; - if ((pATI->Chip >= ATI_CHIP_88800GXC) && - (pATI->LockData.crtc_gen_cntl & CRTC_EXT_DISP_EN)) + if ((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; @@ -2867,13 +2367,7 @@ ATIPreInit 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) + if (!pATI->UseSmallApertures) { pATIHW->SetBank = pATI->NewHW.SetBank; } @@ -2911,12 +2405,6 @@ ATIPreInit "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 */ @@ -2982,12 +2470,6 @@ ATIPreInit Denominator = pATI->ClockDescriptor.MinM * pATI->XCLKReferenceDivider * pATI->ReferenceDenominator; -#ifndef AVOID_CPIO - - if (pATI->depth >= 8) - -#endif /* AVOID_CPIO */ - { Denominator *= pATI->bitsPerPixel / 4; } @@ -3092,19 +2574,7 @@ ATIPreInit #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)) + if (pATI->CPIO_VGAWonder && (pATI->VideoRAM < 1024)) { DefaultmaxClock = (GetBits(BIOSByte(0x44U), 0x04U) * 5000) + 40000; @@ -3144,30 +2614,10 @@ ATIPreInit * 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; @@ -3175,12 +2625,6 @@ ATIPreInit pATI->pitchInc = minPitch; -#ifndef AVOID_CPIO - - if (pATI->depth >= 8) - -#endif /* AVOID_CPIO */ - { pATI->pitchInc *= pATI->bitsPerPixel; } @@ -3191,12 +2635,6 @@ ATIPreInit #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 */ /* @@ -3205,7 +2643,6 @@ ATIPreInit * Finer-grained checks are done in ATIValidateMode(). */ pScreenInfo->maxVValue = 0x03FFU + 1; - if (pATI->Adapter > ATI_ADAPTER_VGA) { pScreenInfo->maxVValue <<= 1; if (ATIClockRange.interlaceAllowed && @@ -3213,20 +2650,6 @@ ATIPreInit 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; |