Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / i810 / i810_drv.c
1 /* i810_drv.c -- I810 driver -*- linux-c -*-
2  * Created: Mon Dec 13 01:56:22 1999 by jhartmann@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  *    Jeff Hartmann <jhartmann@valinux.com>
30  *    Gareth Hughes <gareth@valinux.com>
31  */
32
33 #include <linux/module.h>
34
35 #include <drm/drmP.h>
36 #include <drm/i810_drm.h>
37 #include "i810_drv.h"
38
39 #include <drm/drm_pciids.h>
40
41 static struct pci_device_id pciidlist[] = {
42         i810_PCI_IDS
43 };
44
45 static const struct file_operations i810_driver_fops = {
46         .owner = THIS_MODULE,
47         .open = drm_open,
48         .release = drm_release,
49         .unlocked_ioctl = drm_ioctl,
50         .mmap = drm_legacy_mmap,
51         .poll = drm_poll,
52 #ifdef CONFIG_COMPAT
53         .compat_ioctl = drm_compat_ioctl,
54 #endif
55         .llseek = noop_llseek,
56 };
57
58 static struct drm_driver driver = {
59         .driver_features =
60             DRIVER_USE_AGP |
61             DRIVER_HAVE_DMA,
62         .dev_priv_size = sizeof(drm_i810_buf_priv_t),
63         .load = i810_driver_load,
64         .lastclose = i810_driver_lastclose,
65         .preclose = i810_driver_preclose,
66         .set_busid = drm_pci_set_busid,
67         .device_is_agp = i810_driver_device_is_agp,
68         .dma_quiescent = i810_driver_dma_quiescent,
69         .ioctls = i810_ioctls,
70         .fops = &i810_driver_fops,
71         .name = DRIVER_NAME,
72         .desc = DRIVER_DESC,
73         .date = DRIVER_DATE,
74         .major = DRIVER_MAJOR,
75         .minor = DRIVER_MINOR,
76         .patchlevel = DRIVER_PATCHLEVEL,
77 };
78
79 static struct pci_driver i810_pci_driver = {
80         .name = DRIVER_NAME,
81         .id_table = pciidlist,
82 };
83
84 static int __init i810_init(void)
85 {
86         if (num_possible_cpus() > 1) {
87                 pr_err("drm/i810 does not support SMP\n");
88                 return -EINVAL;
89         }
90         driver.num_ioctls = i810_max_ioctl;
91         return drm_pci_init(&driver, &i810_pci_driver);
92 }
93
94 static void __exit i810_exit(void)
95 {
96         drm_pci_exit(&driver, &i810_pci_driver);
97 }
98
99 module_init(i810_init);
100 module_exit(i810_exit);
101
102 MODULE_AUTHOR(DRIVER_AUTHOR);
103 MODULE_DESCRIPTION(DRIVER_DESC);
104 MODULE_LICENSE("GPL and additional rights");