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