drm: fix issues with systems with no MTRR
[linux-2.6] / drivers / char / drm / r128_drv.c
1 /* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
2  * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
3  *
4  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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 "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice (including the next
16  * paragraph) shall be included in all copies or substantial portions of the
17  * Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25  * OTHER DEALINGS IN THE SOFTWARE.
26  *
27  * Authors:
28  *    Rickard E. (Rik) Faith <faith@valinux.com>
29  *    Gareth Hughes <gareth@valinux.com>
30  */
31
32 #include <linux/config.h>
33 #include "drmP.h"
34 #include "drm.h"
35 #include "r128_drm.h"
36 #include "r128_drv.h"
37
38 #include "drm_pciids.h"
39
40 static struct pci_device_id pciidlist[] = {
41         r128_PCI_IDS
42 };
43
44 static struct drm_driver driver = {
45         .driver_features =
46             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
47             DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
48             DRIVER_IRQ_VBL,
49         .dev_priv_size = sizeof(drm_r128_buf_priv_t),
50         .preclose = r128_driver_preclose,
51         .lastclose = r128_driver_lastclose,
52         .vblank_wait = r128_driver_vblank_wait,
53         .irq_preinstall = r128_driver_irq_preinstall,
54         .irq_postinstall = r128_driver_irq_postinstall,
55         .irq_uninstall = r128_driver_irq_uninstall,
56         .irq_handler = r128_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 = r128_ioctls,
61         .dma_ioctl = r128_cce_buffers,
62         .fops = {
63                  .owner = THIS_MODULE,
64                  .open = drm_open,
65                  .release = drm_release,
66                  .ioctl = drm_ioctl,
67                  .mmap = drm_mmap,
68                  .poll = drm_poll,
69                  .fasync = drm_fasync,
70 #ifdef CONFIG_COMPAT
71                  .compat_ioctl = r128_compat_ioctl,
72 #endif
73         },
74
75         .pci_driver = {
76                  .name = DRIVER_NAME,
77                  .id_table = pciidlist,
78         },
79
80         .name = DRIVER_NAME,
81         .desc = DRIVER_DESC,
82         .date = DRIVER_DATE,
83         .major = DRIVER_MAJOR,
84         .minor = DRIVER_MINOR,
85         .patchlevel = DRIVER_PATCHLEVEL,
86 };
87
88 static int __init r128_init(void)
89 {
90         driver.num_ioctls = r128_max_ioctl;
91         return drm_init(&driver);
92 }
93
94 static void __exit r128_exit(void)
95 {
96         drm_exit(&driver);
97 }
98
99 module_init(r128_init);
100 module_exit(r128_exit);
101
102 MODULE_AUTHOR(DRIVER_AUTHOR);
103 MODULE_DESCRIPTION(DRIVER_DESC);
104 MODULE_LICENSE("GPL and additional rights");