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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
* Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS 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:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*/
#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#include "mga_drm.h"
#include "mga_drv.h"
#include "drm_pciids.h"
static int mga_driver_device_is_agp(drm_device_t * dev);
static int postinit(struct drm_device *dev, unsigned long flags)
{
dev->counters += 3;
dev->types[6] = _DRM_STAT_IRQ;
dev->types[7] = _DRM_STAT_PRIMARY;
dev->types[8] = _DRM_STAT_SECONDARY;
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
DRIVER_NAME,
DRIVER_MAJOR,
DRIVER_MINOR,
DRIVER_PATCHLEVEL,
DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
);
return 0;
}
static int version(drm_version_t * version)
{
int len;
version->version_major = DRIVER_MAJOR;
version->version_minor = DRIVER_MINOR;
version->version_patchlevel = DRIVER_PATCHLEVEL;
DRM_COPY(version->name, DRIVER_NAME);
DRM_COPY(version->date, DRIVER_DATE);
DRM_COPY(version->desc, DRIVER_DESC);
return 0;
}
static struct pci_device_id pciidlist[] = {
mga_PCI_IDS
};
extern drm_ioctl_desc_t mga_ioctls[];
extern int mga_max_ioctl;
static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
DRIVER_IRQ_VBL,
.preinit = mga_driver_preinit,
.postcleanup = mga_driver_postcleanup,
.dma_quiescent = mga_driver_dma_quiescent,
.device_is_agp = mga_driver_device_is_agp,
.vblank_wait = mga_driver_vblank_wait,
.irq_preinstall = mga_driver_irq_preinstall,
.irq_postinstall = mga_driver_irq_postinstall,
.irq_uninstall = mga_driver_irq_uninstall,
.irq_handler = mga_driver_irq_handler,
.reclaim_buffers = drm_core_reclaim_buffers,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
.postinit = postinit,
.version = version,
.ioctls = mga_ioctls,
.dma_ioctl = mga_dma_buffers,
.fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.ioctl = drm_ioctl,
.mmap = drm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
},
.pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
.probe = probe,
.remove = __devexit_p(drm_cleanup_pci),
}
};
static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &driver);
}
static int __init mga_init(void)
{
driver.num_ioctls = mga_max_ioctl;
return drm_init(&driver, pciidlist);
}
static void __exit mga_exit(void)
{
drm_exit(&driver);
}
module_init(mga_init);
module_exit(mga_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
/**
* Determine if the device really is AGP or not.
*
* In addition to the usual tests performed by \c drm_device_is_agp, this
* function detects PCI G450 cards that appear to the system exactly like
* AGP G450 cards.
*
* \param dev The device to be tested.
*
* \returns
* If the device is a PCI G450, zero is returned. Otherwise non-zero is
* returned.
*/
int mga_driver_device_is_agp(drm_device_t * dev)
{
const struct pci_dev * const pdev = dev->pdev;
/* There are PCI versions of the G450. These cards have the
* same PCI ID as the AGP G450, but have an additional PCI-to-PCI
* bridge chip. We detect these cards, which are not currently
* supported by this driver, by looking at the device ID of the
* bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
* device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
* device.
*/
if ( (pdev->device == 0x0525)
&& (pdev->bus->self->vendor == 0x3388)
&& (pdev->bus->self->device == 0x0021) ) {
#if defined( __powerpc__ )
DRM_ERROR("GXT135p is not yet supported\n");
#else
DRM_ERROR("PCI G450 is not yet supported\n");
#endif
return 0;
}
return 1;
}
|
