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 "i810_drv.h"
34 #include <linux/module.h>
35 
36 #include <drm/drm_drv.h>
37 #include <drm/drm_file.h>
38 #include <drm/drm_pci.h>
39 #include <drm/drm_pciids.h>
40 #include <drm/i810_drm.h>
41 
42 
43 static struct pci_device_id pciidlist[] = {
44 	i810_PCI_IDS
45 };
46 
47 static const struct file_operations i810_driver_fops = {
48 	.owner = THIS_MODULE,
49 	.open = drm_open,
50 	.release = drm_release,
51 	.unlocked_ioctl = drm_ioctl,
52 	.mmap = drm_legacy_mmap,
53 	.poll = drm_poll,
54 	.compat_ioctl = drm_compat_ioctl,
55 	.llseek = noop_llseek,
56 };
57 
58 static struct drm_driver driver = {
59 	.driver_features = DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_LEGACY,
60 	.dev_priv_size = sizeof(drm_i810_buf_priv_t),
61 	.load = i810_driver_load,
62 	.lastclose = i810_driver_lastclose,
63 	.preclose = i810_driver_preclose,
64 	.dma_quiescent = i810_driver_dma_quiescent,
65 	.ioctls = i810_ioctls,
66 	.fops = &i810_driver_fops,
67 	.name = DRIVER_NAME,
68 	.desc = DRIVER_DESC,
69 	.date = DRIVER_DATE,
70 	.major = DRIVER_MAJOR,
71 	.minor = DRIVER_MINOR,
72 	.patchlevel = DRIVER_PATCHLEVEL,
73 };
74 
75 static struct pci_driver i810_pci_driver = {
76 	.name = DRIVER_NAME,
77 	.id_table = pciidlist,
78 };
79 
i810_init(void)80 static int __init i810_init(void)
81 {
82 	if (num_possible_cpus() > 1) {
83 		pr_err("drm/i810 does not support SMP\n");
84 		return -EINVAL;
85 	}
86 	driver.num_ioctls = i810_max_ioctl;
87 	return drm_legacy_pci_init(&driver, &i810_pci_driver);
88 }
89 
i810_exit(void)90 static void __exit i810_exit(void)
91 {
92 	drm_legacy_pci_exit(&driver, &i810_pci_driver);
93 }
94 
95 module_init(i810_init);
96 module_exit(i810_exit);
97 
98 MODULE_AUTHOR(DRIVER_AUTHOR);
99 MODULE_DESCRIPTION(DRIVER_DESC);
100 MODULE_LICENSE("GPL and additional rights");
101