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Diffstat (limited to 'src/aticonfig.c')
| -rw-r--r-- | src/aticonfig.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/src/aticonfig.c b/src/aticonfig.c new file mode 100644 index 0000000..b0aa2be --- /dev/null +++ b/src/aticonfig.c @@ -0,0 +1,244 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/aticonfig.c,v 1.12 2003/01/01 19:16:31 tsi Exp $ */ +/* + * Copyright 2000 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 "atichip.h" +#include "aticonfig.h" +#include "aticursor.h" +#include "atioption.h" +#include "atistruct.h" + +/* + * Non-publicised XF86Config options. + */ +typedef enum +{ + ATI_OPTION_CRT_SCREEN, /* Legacy negation of "PanelDisplay" */ + ATI_OPTION_DEVEL, /* Intentionally undocumented */ + ATI_OPTION_BLEND, /* Force horizontal blending of small modes */ + ATI_OPTION_SYNC /* Use XF86Config panel mode porches */ +} ATIPrivateOptionType; + +/* + * ATIProcessOptions -- + * + * This function extracts options from what was parsed out of the XF86Config + * file. + */ +void +ATIProcessOptions +( + ScrnInfoPtr pScreenInfo, + ATIPtr pATI +) +{ + OptionInfoPtr PublicOption = xnfalloc(ATIPublicOptionSize); + OptionInfoRec PrivateOption[] = + { + { /* Negation of "PanelDisplay" public option */ + ATI_OPTION_CRT_SCREEN, + "crtscreen", + OPTV_BOOLEAN, + {0, }, + FALSE + }, + { /* ON: Horizontally blend most modes */ + ATI_OPTION_BLEND, /* OFF: Use pixel replication more often */ + "lcdblend", + OPTV_BOOLEAN, + {0, }, + FALSE + }, + { /* ON: Use XF86Config porch timings */ + ATI_OPTION_SYNC, /* OFF: Use porches from mode on entry */ + "lcdsync", + OPTV_BOOLEAN, + {0, }, + FALSE + }, + { /* ON: Ease exploration of loose ends */ + ATI_OPTION_DEVEL, /* OFF: Fit for public consumption */ + "tsi", + OPTV_BOOLEAN, + {0, }, + FALSE + }, + { + -1, + NULL, + OPTV_NONE, + {0, }, + FALSE + } + }; + + (void)memcpy(PublicOption, ATIPublicOptions, ATIPublicOptionSize); + +# define Accel PublicOption[ATI_OPTION_ACCEL].value.bool +# define Blend PrivateOption[ATI_OPTION_BLEND].value.bool +# define CRTDisplay PublicOption[ATI_OPTION_CRT_DISPLAY].value.bool +# define CRTScreen PrivateOption[ATI_OPTION_CRT_SCREEN].value.bool +# define CSync PublicOption[ATI_OPTION_CSYNC].value.bool +# define Devel PrivateOption[ATI_OPTION_DEVEL].value.bool +# define HWCursor PublicOption[ATI_OPTION_HWCURSOR].value.bool + +#ifndef AVOID_CPIO + +# define Linear PublicOption[ATI_OPTION_LINEAR].value.bool + +#endif /* AVOID_CPIO */ + +# define CacheMMIO PublicOption[ATI_OPTION_MMIO_CACHE].value.bool +# define PanelDisplay PublicOption[ATI_OPTION_PANEL_DISPLAY].value.bool +# define ProbeClocks PublicOption[ATI_OPTION_PROBE_CLOCKS].value.bool +# define ShadowFB PublicOption[ATI_OPTION_SHADOW_FB].value.bool +# define SWCursor PublicOption[ATI_OPTION_SWCURSOR].value.bool +# define Sync PrivateOption[ATI_OPTION_SYNC].value.bool + +# define ReferenceClock \ + PublicOption[ATI_OPTION_REFERENCE_CLOCK].value.freq.freq + + /* Pick up XF86Config options */ + xf86CollectOptions(pScreenInfo, NULL); + + /* Set non-zero defaults */ + +#ifndef AVOID_CPIO + + if (pATI->Adapter >= ATI_ADAPTER_MACH64) + +#endif /* AVOID_CPIO */ + + { + Accel = CacheMMIO = HWCursor = TRUE; + +#ifndef AVOID_CPIO + + Linear = TRUE; + +#endif /* AVOID_CPIO */ + + } + + ReferenceClock = ((double)157500000.0) / ((double)11.0); + +#ifndef AVOID_CPIO + + if (pATI->PCIInfo) + +#endif /* AVOID_CPIO */ + + { + ShadowFB = TRUE; + } + + Blend = PanelDisplay = TRUE; + + xf86ProcessOptions(pScreenInfo->scrnIndex, pScreenInfo->options, + PublicOption); + xf86ProcessOptions(pScreenInfo->scrnIndex, pScreenInfo->options, + PrivateOption); + +#ifndef AVOID_CPIO + + /* Disable linear apertures if the OS doesn't support them */ + if (!xf86LinearVidMem() && Linear) + { + if (PublicOption[ATI_OPTION_LINEAR].found) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "OS does not support linear apertures.\n"); + Linear = FALSE; + } + +#endif /* AVOID_CPIO */ + + /* Move option values into driver private structure */ + pATI->OptionAccel = Accel; + pATI->OptionBlend = Blend; + pATI->OptionCRTDisplay = CRTDisplay; + pATI->OptionCSync = CSync; + pATI->OptionDevel = Devel; + +#ifndef AVOID_CPIO + + pATI->OptionLinear = Linear; + +#endif /* AVOID_CPIO */ + + pATI->OptionMMIOCache = CacheMMIO; + pATI->OptionProbeClocks = ProbeClocks; + pATI->OptionShadowFB = ShadowFB; + pATI->OptionSync = Sync; + + /* "CRTScreen" is now "NoPanelDisplay" */ + if ((PanelDisplay != CRTScreen) || + PublicOption[ATI_OPTION_PANEL_DISPLAY].found) + pATI->OptionPanelDisplay = PanelDisplay; + else + pATI->OptionPanelDisplay = !CRTScreen; + + /* Validate and set cursor options */ + pATI->Cursor = ATI_CURSOR_SOFTWARE; + if (SWCursor || !HWCursor) + { + if (HWCursor && PublicOption[ATI_OPTION_HWCURSOR].found) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Option \"sw_cursor\" overrides Option \"hw_cursor\".\n"); + } + else if (pATI->Chip < ATI_CHIP_264CT) + { + if (HWCursor && PublicOption[ATI_OPTION_HWCURSOR].found) + xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, + "Option \"hw_cursor\" not supported in this configuration.\n"); + } + else + { + pATI->Cursor = ATI_CURSOR_HARDWARE; + } + + /* Only set the reference clock if it hasn't already been determined */ + if (!pATI->ReferenceNumerator || !pATI->ReferenceDenominator) + { + switch ((int)(ReferenceClock / ((double)100000.0))) + { + case 143: + pATI->ReferenceNumerator = 157500; + pATI->ReferenceDenominator = 11; + break; + + case 286: + pATI->ReferenceNumerator = 315000; + pATI->ReferenceDenominator = 11; + break; + + default: + pATI->ReferenceNumerator = + (int)(ReferenceClock / ((double)1000.0)); + pATI->ReferenceDenominator = 1; + break; + } + } + + xfree(PublicOption); +} |