drm: fix issues with systems with no MTRR
[linux-2.6] / drivers / char / drm / i915_drv.c
1 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
2  */
3 /*
4  *
5  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6  * All Rights Reserved.
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the
10  * "Software"), to deal in the Software without restriction, including
11  * without limitation the rights to use, copy, modify, merge, publish,
12  * distribute, sub license, and/or sell copies of the Software, and to
13  * permit persons to whom the Software is furnished to do so, subject to
14  * the following conditions:
15  *
16  * The above copyright notice and this permission notice (including the
17  * next paragraph) shall be included in all copies or substantial portions
18  * of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27  *
28  */
29
30 #include "drmP.h"
31 #include "drm.h"
32 #include "i915_drm.h"
33 #include "i915_drv.h"
34
35 #include "drm_pciids.h"
36
37 static struct pci_device_id pciidlist[] = {
38         i915_PCI_IDS
39 };
40
41 static struct drm_driver driver = {
42         /* don't use mtrr's here, the Xserver or user space app should
43          * deal with them for intel hardware.
44          */
45         .driver_features =
46             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
47             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
48         .load = i915_driver_load,
49         .lastclose = i915_driver_lastclose,
50         .preclose = i915_driver_preclose,
51         .device_is_agp = i915_driver_device_is_agp,
52         .vblank_wait = i915_driver_vblank_wait,
53         .irq_preinstall = i915_driver_irq_preinstall,
54         .irq_postinstall = i915_driver_irq_postinstall,
55         .irq_uninstall = i915_driver_irq_uninstall,
56         .irq_handler = i915_driver_irq_handler,
57         .reclaim_buffers = drm_core_reclaim_buffers,
58         .get_map_ofs = drm_core_get_map_ofs,
59         .get_reg_ofs = drm_core_get_reg_ofs,
60         .ioctls = i915_ioctls,
61         .fops = {
62                  .owner = THIS_MODULE,
63                  .open = drm_open,
64                  .release = drm_release,
65                  .ioctl = drm_ioctl,
66                  .mmap = drm_mmap,
67                  .poll = drm_poll,
68                  .fasync = drm_fasync,
69 #ifdef CONFIG_COMPAT
70                  .compat_ioctl = i915_compat_ioctl,
71 #endif
72         },
73
74         .pci_driver = {
75                  .name = DRIVER_NAME,
76                  .id_table = pciidlist,
77         },
78         
79         .name = DRIVER_NAME,
80         .desc = DRIVER_DESC,
81         .date = DRIVER_DATE,
82         .major = DRIVER_MAJOR,
83         .minor = DRIVER_MINOR,
84         .patchlevel = DRIVER_PATCHLEVEL,
85 };
86
87 static int __init i915_init(void)
88 {
89         driver.num_ioctls = i915_max_ioctl;
90         return drm_init(&driver);
91 }
92
93 static void __exit i915_exit(void)
94 {
95         drm_exit(&driver);
96 }
97
98 module_init(i915_init);
99 module_exit(i915_exit);
100
101 MODULE_AUTHOR(DRIVER_AUTHOR);
102 MODULE_DESCRIPTION(DRIVER_DESC);
103 MODULE_LICENSE("GPL and additional rights");