89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/*
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* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
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* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/*=========================================================*/
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#include "savage.h"
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#include "drmP.h"
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#include "savage_drm.h"
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#include "savage_drv.h"
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#include <linux/interrupt.h> /* For task queue support */
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#include <linux/delay.h>
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#define SAVAGE_DEFAULT_USEC_TIMEOUT 10000
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#define SAVAGE_FREELIST_DEBUG 0
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static int savage_preinit( drm_device_t *dev, unsigned long chipset )
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{
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drm_savage_private_t *dev_priv;
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unsigned mmioBase, fbBase, fbSize, apertureBase;
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int ret = 0;
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dev_priv = DRM(alloc)( sizeof(drm_savage_private_t), DRM_MEM_DRIVER );
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if ( dev_priv == NULL )
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return DRM_ERR(ENOMEM);
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memset( dev_priv, 0, sizeof(drm_savage_private_t) );
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dev->dev_private = (void *)dev_priv;
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dev_priv->chipset = (enum savage_family)chipset;
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if( S3_SAVAGE3D_SERIES(dev_priv->chipset) ) {
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fbBase = pci_resource_start( dev->pdev, 0 );
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fbSize = SAVAGE_FB_SIZE_S3;
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mmioBase = fbBase + fbSize;
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apertureBase = fbBase + SAVAGE_APERTURE_OFFSET;
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} else if( chipset != S3_SUPERSAVAGE ) {
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mmioBase = pci_resource_start( dev->pdev, 0 );
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fbBase = pci_resource_start( dev->pdev, 1 );
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fbSize = SAVAGE_FB_SIZE_S4;
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apertureBase = fbBase + SAVAGE_APERTURE_OFFSET;
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} else {
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mmioBase = pci_resource_start( dev->pdev, 0 );
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fbBase = pci_resource_start( dev->pdev, 1 );
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fbSize = pci_resource_len( dev->pdev, 1 );
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apertureBase = pci_resource_start( dev->pdev, 2 );
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}
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if( (ret = DRM(initmap)( dev, mmioBase, SAVAGE_MMIO_SIZE,
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_DRM_REGISTERS, 0 )))
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return ret;
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if( (ret = DRM(initmap)( dev, fbBase, fbSize,
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_DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING )))
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return ret;
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if( (ret = DRM(initmap)( dev, apertureBase, SAVAGE_APERTURE_SIZE,
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_DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING )))
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return ret;
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return ret;
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}
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void DRM(driver_register_fns)(drm_device_t *dev)
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{
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dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR;
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dev->fn_tbl.preinit = savage_preinit;
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}
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