1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* 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 "drmP.h"
#include "savage_drm.h"
#include "savage_drv.h"
#include <linux/interrupt.h> /* For task queue support */
#include <linux/delay.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;
}
|