From d78bd665b20eb68e74b9b4c2d04fa177cc4447c6 Mon Sep 17 00:00:00 2001
From: Eric Anholt <anholt@freebsd.org>
Date: Thu, 22 Jul 2004 06:58:15 +0000
Subject: DRI trunk-20040721 import

---
 src/atiwonderio.c | 86 -------------------------------------------------------
 1 file changed, 86 deletions(-)
 delete mode 100644 src/atiwonderio.c

(limited to 'src/atiwonderio.c')

diff --git a/src/atiwonderio.c b/src/atiwonderio.c
deleted file mode 100644
index 064e49ed..00000000
--- a/src/atiwonderio.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiwonderio.c,v 1.4 2003/01/01 19:16:35 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 "atichip.h"
-#include "atiwonderio.h"
-
-#ifndef AVOID_CPIO
-
-/*
- * ATIModifyExtReg --
- *
- * This function is called to modify certain bits in an ATI extended VGA
- * register while preserving its other bits.  The function will not write the
- * register if it turns out its value would not change.  This helps prevent
- * server hangs on older adapters.
- */
-void
-ATIModifyExtReg
-(
-    ATIPtr      pATI,
-    const CARD8 Index,
-    int         CurrentValue,
-    const CARD8 CurrentMask,
-    CARD8       NewValue
-)
-{
-    /* Possibly retrieve the current value */
-    if (CurrentValue < 0)
-        CurrentValue = ATIGetExtReg(Index);
-
-    /* Compute new value */
-    NewValue &= (CARD8)(~CurrentMask);
-    NewValue |= CurrentValue & CurrentMask;
-
-    /* Check if value will be changed */
-    if (CurrentValue == NewValue)
-        return;
-
-    /*
-     * The following is taken from ATI's VGA Wonder programmer's reference
-     * manual which says that this is needed to "ensure the proper state of the
-     * 8/16 bit ROM toggle".  I suspect a timing glitch appeared in the 18800
-     * after its die was cast.  18800-1 and later chips do not exhibit this
-     * problem.
-     */
-    if ((pATI->Chip <= ATI_CHIP_18800) && (Index == 0xB2U) &&
-       ((NewValue ^ 0x40U) & CurrentValue & 0x40U))
-    {
-        CARD8 misc = inb(R_GENMO);
-        CARD8 bb = ATIGetExtReg(0xBBU);
-
-        outb(GENMO, (misc & 0xF3U) | 0x04U | ((bb & 0x10U) >> 1));
-        CurrentValue &= (CARD8)(~0x40U);
-        ATIPutExtReg(0xB2U, CurrentValue);
-        ATIDelay(5);
-        outb(GENMO, misc);
-        ATIDelay(5);
-        if (CurrentValue != NewValue)
-            ATIPutExtReg(0xB2U, NewValue);
-    }
-    else
-        ATIPutExtReg(Index, NewValue);
-}
-
-#endif /* AVOID_CPIO */
-- 
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