DRI trunk-20040721 importDRI-trunk-20040721import-1.1.3

1 files changed, 0 insertions, 235 deletions

diff --git a/src/ativalid.c b/src/ativalid.c
deleted file mode 100644
index 7c798883..00000000
--- a/src/ativalid.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/ativalid.c,v 1.16 2003/04/23 21:51:31 tsi Exp $ */
-/*
- * Copyright 1997 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 "atiadapter.h"
-#include "atichip.h"
-#include "aticrtc.h"
-#include "atistruct.h"
-#include "ativalid.h"
-
-#include "xf86.h"
-
-/*
- * ATIValidMode --
- *
- * This checks for hardware-related limits on mode timings.
- */
-int
-ATIValidMode
-(
-    int iScreen,
-    DisplayModePtr pMode,
-    Bool Verbose,
-    int flags
-)
-{
-    ScrnInfoPtr pScreenInfo = xf86Screens[iScreen];
-    ATIPtr      pATI        = ATIPTR(pScreenInfo);
-    Bool        InterlacedSeen;
-    int         HBlankWidth, HAdjust, VScan, VInterlace;
-
-#ifndef AVOID_CPIO
-
-    int VDisplay, VTotal;
-
-#endif /* AVOID_CPIO */
-
-    if (flags & MODECHECK_FINAL)
-    {
-        /*
-         * This is the final check before the common layer accepts a mode.
-         * pScreenInfo->displayWidth is set to the proposed virtual pitch
-         * should the mode be accepted.  The only check needed here is for
-         * 18800's and 28800's, which don't support interlaced modes if the
-         * pitch is over half the chipset's maximum pitch.
-         */
-        if (pATI->MaximumInterlacedPitch)
-        {
-            /*
-             * Ensure no interlaced modes have a scanline pitch larger than the
-             * limit.
-             */
-            if (pMode->Flags & V_INTERLACE)
-                InterlacedSeen = TRUE;
-            else
-                InterlacedSeen = pATI->InterlacedSeen;
-
-            if (InterlacedSeen &&
-                (pScreenInfo->displayWidth > pATI->MaximumInterlacedPitch))
-                return MODE_INTERLACE_WIDTH;
-
-            pATI->InterlacedSeen = InterlacedSeen;
-        }
-
-        return MODE_OK;
-    }
-
-    /*
-     * The following is done for every mode in the monitor section that
-     * survives the common layer's basic checks.
-     */
-    if (pMode->VScan <= 1)
-        VScan = 1;
-    else
-        VScan = pMode->VScan;
-
-    if (pMode->Flags & V_DBLSCAN)
-        VScan <<= 1;
-
-    if (pATI->OptionPanelDisplay && (pATI->LCDPanelID >= 0))
-    {
-        if ((pMode->CrtcHDisplay > pATI->LCDHorizontal) ||
-            (pMode->CrtcVDisplay > pATI->LCDVertical))
-            return MODE_PANEL;
-
-        if (!pATI->OptionLCDSync || (pMode->type & M_T_BUILTIN))
-        {
-            if ((pMode->HDisplay > pATI->LCDHorizontal) ||
-                (pMode->VDisplay > pATI->LCDVertical))
-                return MODE_PANEL;
-
-            return MODE_OK;
-        }
-
-        /*
-         * Adjust effective timings for monitor checks.  Here the modeline
-         * clock is ignored.  Horizontal timings are scaled by the stretch
-         * ratio used for the displayed area.  The vertical porch is scaled by
-         * the native resolution's aspect ratio.  This seems rather arbitrary,
-         * and it is, but it does make all applicable VESA modes sync on a
-         * panel after stretching.  This has the unfortunate, but necessary,
-         * side-effect of changing the mode's horizontal sync and vertical
-         * refresh rates.  With some exceptions, this tends to increase the
-         * mode's horizontal sync rate, and decrease its vertical refresh rate.
-         */
-        pMode->SynthClock = pATI->LCDClock;
-
-        pMode->CrtcHTotal = pMode->CrtcHBlankEnd =
-            ATIDivide(pMode->CrtcHTotal * pATI->LCDHorizontal,
-                pMode->CrtcHDisplay, -3, 1) << 3;
-        pMode->CrtcHSyncEnd =
-            ATIDivide(pMode->CrtcHSyncEnd * pATI->LCDHorizontal,
-                pMode->CrtcHDisplay, -3, 1) << 3;
-        pMode->CrtcHSyncStart =
-            ATIDivide(pMode->CrtcHSyncStart * pATI->LCDHorizontal,
-                pMode->CrtcHDisplay, -3, -1) << 3;
-        pMode->CrtcHDisplay = pMode->CrtcHBlankStart = pATI->LCDHorizontal;
-
-        pMode->CrtcVTotal = pMode->CrtcVBlankEnd =
-            ATIDivide((pMode->CrtcVTotal - pMode->CrtcVDisplay) *
-                pATI->LCDVertical, pATI->LCDHorizontal, 0, 1) +
-                pATI->LCDVertical;
-        pMode->CrtcVSyncEnd =
-            ATIDivide((pMode->CrtcVSyncEnd - pMode->CrtcVDisplay) *
-                pATI->LCDVertical, pATI->LCDHorizontal, 0, 1) +
-                pATI->LCDVertical;
-        pMode->CrtcVSyncStart =
-            ATIDivide((pMode->CrtcVSyncStart - pMode->CrtcVDisplay) *
-                pATI->LCDVertical, pATI->LCDHorizontal, 0, -1) +
-                pATI->LCDVertical;
-        pMode->CrtcVDisplay = pMode->CrtcVBlankStart = pATI->LCDVertical;
-
-        /*
-         * The CRTC only stretches the mode's displayed area, not its porches.
-         * Reverse-engineer the mode's timings back into the user specified
-         * values so that the stretched mode is produced when the CRTC is
-         * eventually programmed.  The reverse-engineered mode is then checked
-         * against CRTC limits below.
-         */
-        pMode->Clock = pATI->LCDClock;
-
-        HAdjust = pATI->LCDHorizontal - pMode->HDisplay;
-#       define ATIReverseHorizontal(_x) \
-            (pMode->_x - HAdjust)
-
-        pMode->HSyncStart = ATIReverseHorizontal(CrtcHSyncStart);
-        pMode->HSyncEnd = ATIReverseHorizontal(CrtcHSyncEnd);
-        pMode->HTotal = ATIReverseHorizontal(CrtcHTotal);
-
-        VInterlace = GetBits(pMode->Flags, V_INTERLACE) + 1;
-#       define ATIReverseVertical(_y) \
-            ((((pMode->_y - pATI->LCDVertical) * VInterlace) / VScan) + \
-             pMode->VDisplay)
-
-        pMode->VSyncStart = ATIReverseVertical(CrtcVSyncStart);
-        pMode->VSyncEnd = ATIReverseVertical(CrtcVSyncEnd);
-        pMode->VTotal = ATIReverseVertical(CrtcVTotal);
-
-#       undef ATIReverseHorizontal
-#       undef ATIReverseVertical
-    }
-
-    HBlankWidth = (pMode->HTotal >> 3) - (pMode->HDisplay >> 3);
-    if (!HBlankWidth)
-        return MODE_HBLANK_NARROW;
-
-    switch (pATI->NewHW.crtc)
-    {
-
-#ifndef AVOID_CPIO
-
-        case ATI_CRTC_VGA:
-            /* Prevent overscans */
-            if (HBlankWidth > 63)
-                return MODE_HBLANK_WIDE;
-
-            if (pMode->HDisplay > 2048)
-                return MODE_BAD_HVALUE;
-
-            if (VScan > 64)
-                return MODE_BAD_VSCAN;
-
-            VDisplay = pMode->VDisplay * VScan;
-            VTotal = pMode->VTotal * VScan;
-
-            if ((pMode->Flags & V_INTERLACE) && (pATI->Chip < ATI_CHIP_264CT))
-            {
-                VDisplay >>= 1;
-                VTotal >>= 1;
-            }
-
-            if ((VDisplay > 2048) || (VTotal > 2050))
-                return MODE_BAD_VVALUE;
-
-            if (pATI->Adapter != ATI_ADAPTER_VGA)
-                break;
-
-            if ((VDisplay > 1024) || (VTotal > 1025))
-                return MODE_BAD_VVALUE;
-
-            break;
-
-#endif /* AVOID_CPIO */
-
-        case ATI_CRTC_MACH64:
-            if (VScan > 2)
-                return MODE_NO_VSCAN;
-
-            break;
-
-        default:
-            break;
-    }
-
-    return MODE_OK;
-}