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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/**************************************************************************
*
* Copyright (c) 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA,
* 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#include "drmP.h"
#include "via_drm.h"
#include "via_drv.h"
drm_ttm_backend_t *via_create_ttm_backend_entry(drm_device_t * dev)
{
return drm_agp_init_ttm(dev);
}
int via_fence_types(drm_buffer_object_t *bo, uint32_t * type)
{
*type = 3;
return 0;
}
int via_invalidate_caches(drm_device_t * dev, uint64_t flags)
{
/*
* FIXME: Invalidate texture caches here.
*/
return 0;
}
static int via_vram_info(drm_device_t *dev,
unsigned long *offset,
unsigned long *size)
{
struct pci_dev *pdev = dev->pdev;
unsigned long flags;
int ret = DRM_ERR(EINVAL);
int i;
for (i=0; i<6; ++i) {
flags = pci_resource_flags(pdev, i);
if ((flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH)) ==
(IORESOURCE_MEM | IORESOURCE_PREFETCH)) {
ret = 0;
break;
}
}
if (ret) {
DRM_ERROR("Could not find VRAM PCI resource\n");
return ret;
}
*offset = pci_resource_start(pdev, i);
*size = pci_resource_end(pdev, i) - *offset + 1;
return 0;
}
int via_init_mem_type(drm_device_t * dev, uint32_t type,
drm_mem_type_manager_t * man)
{
switch (type) {
case DRM_BO_MEM_LOCAL:
/* System memory */
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_MEMTYPE_CACHED;
man->drm_bus_maptype = 0;
break;
case DRM_BO_MEM_TT:
/* Dynamic agpgart memory */
if (!(drm_core_has_AGP(dev) && dev->agp)) {
DRM_ERROR("AGP is not enabled for memory type %u\n",
(unsigned)type);
return -EINVAL;
}
man->io_offset = dev->agp->agp_info.aper_base;
man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
man->io_addr = NULL;
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | _DRM_FLAG_NEEDS_IOREMAP;
/* Only to get pte protection right. */
man->drm_bus_maptype = _DRM_AGP;
break;
case DRM_BO_MEM_VRAM:
/* "On-card" video ram */
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | _DRM_FLAG_NEEDS_IOREMAP;
man->drm_bus_maptype = _DRM_FRAME_BUFFER;
man->io_addr = NULL;
return via_vram_info(dev, &man->io_offset, &man->io_size);
break;
case DRM_BO_MEM_PRIV0:
/* Pre-bound agpgart memory */
if (!(drm_core_has_AGP(dev) && dev->agp)) {
DRM_ERROR("AGP is not enabled for memory type %u\n",
(unsigned)type);
return -EINVAL;
}
man->io_offset = dev->agp->agp_info.aper_base;
man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
man->io_addr = NULL;
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_MEMTYPE_FIXED | _DRM_FLAG_NEEDS_IOREMAP;
man->drm_bus_maptype = _DRM_AGP;
break;
default:
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
return -EINVAL;
}
return 0;
}
uint32_t via_evict_mask(drm_buffer_object_t *bo)
{
switch (bo->mem.mem_type) {
case DRM_BO_MEM_LOCAL:
case DRM_BO_MEM_TT:
return DRM_BO_FLAG_MEM_LOCAL; /* Evict TT to local */
case DRM_BO_MEM_PRIV0: /* Evict pre-bound AGP to TT */
return DRM_BO_MEM_TT;
case DRM_BO_MEM_VRAM:
if (bo->mem.num_pages > 128)
return DRM_BO_MEM_TT;
else
return DRM_BO_MEM_LOCAL;
default:
return DRM_BO_MEM_LOCAL;
}
}
|
