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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/aticonfig.c,v 1.15 2004/01/05 16:42:01 tsi Exp $*/
/*
* Copyright 2000 through 2004 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_LCDSYNC /* 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_LCDSYNC, /* 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 TestCacheMMIO PublicOption[ATI_OPTION_TEST_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 LCDSync PrivateOption[ATI_OPTION_LCDSYNC].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->OptionTestMMIOCache = TestCacheMMIO;
pATI->OptionProbeClocks = ProbeClocks;
pATI->OptionShadowFB = ShadowFB;
pATI->OptionLCDSync = LCDSync;
/* "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);
}
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