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authorEric Anholt <anholt@freebsd.org>2004-07-22 06:58:15 +0000
committerEric Anholt <anholt@freebsd.org>2004-07-22 06:58:15 +0000
commitd78bd665b20eb68e74b9b4c2d04fa177cc4447c6 (patch)
tree4ab0eac8a0344d2cdcbe0e41d257238f0e1def94 /src/atibus.c
parentbea8085e04136b0ef513c17bb65c54069ec531e1 (diff)
DRI trunk-20040721 importDRI-trunk-20040721import-1.1.3
Diffstat (limited to 'src/atibus.c')
-rw-r--r--src/atibus.c183
1 files changed, 0 insertions, 183 deletions
diff --git a/src/atibus.c b/src/atibus.c
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-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atibus.c,v 1.18 2003/01/22 21:44:10 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 "ati.h"
-#include "atiadapter.h"
-#include "atibus.h"
-#include "atichip.h"
-#include "atiio.h"
-#include "atistruct.h"
-#include "ativersion.h"
-
-/*
- * Definitions related to an adapter's system bus interface.
- */
-
-const char *ATIBusNames[] =
-{
- "16-Bit ISA",
- "EISA",
- "16-Bit MicroChannel",
- "32-Bit MicroChannel",
- "386SX Local Bus",
- "386DX Local Bus",
- "VESA Local Bus",
- "PCI",
- "AGP"
-};
-
-/*
- * ATIClaimResources --
- *
- * This function registers most of the bus resources used by an adapter. The
- * exceptions are PCI-configured resources and non-PCI non-AGP linear
- * apertures, both of which are registered by ATIPreInit(). This function also
- * attempts to register unshareable resources for inactive PCI adapters,
- * whether or not they are relocatable.
- */
-static void
-ATIClaimResources
-(
- ATIPtr pATI,
- Bool Active
-)
-{
- resPtr pResources;
-
-#ifndef AVOID_CPIO
-
- resRange Resources[2] = {{0, 0, 0}, _END};
-
- /* Claim VGA and VGAWonder resources */
- if ((pATI->VGAAdapter != ATI_ADAPTER_NONE) && (Active || !pATI->SharedVGA))
- {
- /*
- * 18800-x's are the only ATI controllers that decode all ISA aliases
- * of VGA and VGA Wonder I/O ports. Other x8800's do not decode >any<
- * VGA aliases, but do decode VGA Wonder aliases whose most significant
- * nibble is zero.
- */
- xf86ClaimFixedResources(
- (pATI->Chip <= ATI_CHIP_18800_1) ?
- (pATI->SharedVGA ? resVgaSparseShared : resVgaSparseExclusive) :
- (pATI->SharedVGA ? resVgaShared : resVgaExclusive),
- pATI->iEntity);
-
- if (pATI->CPIO_VGAWonder)
- {
- if (pATI->SharedVGA)
- Resources[0].type = ResShrIoSparse | ResBus;
- else
- Resources[0].type = ResExcIoSparse | ResBus;
- Resources[0].rBase = pATI->CPIO_VGAWonder;
- if (pATI->Chip <= ATI_CHIP_18800_1)
- Resources[0].rMask = 0x03FEU;
- else
- Resources[0].rMask = 0xF3FEU;
-
- xf86ClaimFixedResources(Resources, pATI->iEntity);
-
- (void)memcpy(pATI->VGAWonderResources,
- Resources, SizeOf(Resources));
- }
- }
-
- if (!Active && pATI->SharedAccelerator)
- return;
-
- /* Claim 8514/A resources */
- if (pATI->ChipHasSUBSYS_CNTL)
- xf86ClaimFixedResources(
- pATI->SharedAccelerator ? res8514Shared : res8514Exclusive,
- pATI->iEntity);
-
- /* Claim Mach64 sparse I/O resources */
- if ((pATI->Adapter == ATI_ADAPTER_MACH64) &&
- (pATI->CPIODecoding == SPARSE_IO))
- {
- if (pATI->SharedAccelerator)
- Resources[0].type = ResShrIoSparse | ResBus;
- else
- Resources[0].type = ResExcIoSparse | ResBus;
- Resources[0].rBase = pATI->CPIOBase;
- Resources[0].rMask = 0x03FCU;
-
- xf86ClaimFixedResources(Resources, pATI->iEntity);
- }
-
- if (Active)
- return;
-
-#else /* AVOID_CPIO */
-
- if (pATI->SharedAccelerator)
- return;
-
-#endif /* AVOID_CPIO */
-
- /* Register unshared relocatable resources for inactive adapters */
- do
- {
- pResources = xf86RegisterResources(pATI->iEntity, NULL, ResExclusive);
- if (!pResources)
- return;
-
- pResources = xf86ReallocatePciResources(pATI->iEntity, pResources);
- } while (!pResources);
-
- xf86Msg(X_WARNING,
- ATI_NAME ": Unable to register the following resources for inactive"
- " adapter:\n");
- xf86PrintResList(1, pResources);
- xf86FreeResList(pResources);
-}
-
-/*
- * ATIClaimBusSlot --
- *
- * Claim an adapter and register its resources.
- */
-int
-ATIClaimBusSlot
-(
- DriverPtr pDriver,
- int Chipset,
- GDevPtr pGDev,
- Bool Active,
- ATIPtr pATI
-)
-{
- pciVideoPtr pVideo = pATI->PCIInfo;
-
- if (pVideo)
- pATI->iEntity =
- xf86ClaimPciSlot(pVideo->bus, pVideo->device, pVideo->func,
- pDriver, Chipset, pGDev, Active);
- else
- pATI->iEntity = xf86ClaimIsaSlot(pDriver, Chipset, pGDev, Active);
-
- if (pATI->iEntity >= 0)
- ATIClaimResources(pATI, Active);
-
- return pATI->iEntity;
-}