i810_drv.c revision 1.2 
1/*	$NetBSD: i810_drv.c,v 1.2 2018/08/27 04:58:23 riastradh Exp $	*/
2
3/* i810_drv.c -- I810 driver -*- linux-c -*-
4 * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
5 *
6 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
7 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
8 * All Rights Reserved.
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice (including the next
18 * paragraph) shall be included in all copies or substantial portions of the
19 * Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
24 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
28 *
29 * Authors:
30 *    Rickard E. (Rik) Faith <faith@valinux.com>
31 *    Jeff Hartmann <jhartmann@valinux.com>
32 *    Gareth Hughes <gareth@valinux.com>
33 */
34
35#include <sys/cdefs.h>
36__KERNEL_RCSID(0, "$NetBSD: i810_drv.c,v 1.2 2018/08/27 04:58:23 riastradh Exp $");
37
38#include <linux/module.h>
39
40#include <drm/drmP.h>
41#include <drm/i810_drm.h>
42#include "i810_drv.h"
43
44#include <drm/drm_pciids.h>
45
46static struct pci_device_id pciidlist[] = {
47	i810_PCI_IDS
48};
49
50static const struct file_operations i810_driver_fops = {
51	.owner = THIS_MODULE,
52	.open = drm_open,
53	.release = drm_release,
54	.unlocked_ioctl = drm_ioctl,
55	.mmap = drm_legacy_mmap,
56	.poll = drm_poll,
57#ifdef CONFIG_COMPAT
58	.compat_ioctl = drm_compat_ioctl,
59#endif
60	.llseek = noop_llseek,
61};
62
63static struct drm_driver driver = {
64	.driver_features =
65	    DRIVER_USE_AGP |
66	    DRIVER_HAVE_DMA,
67	.dev_priv_size = sizeof(drm_i810_buf_priv_t),
68	.load = i810_driver_load,
69	.lastclose = i810_driver_lastclose,
70	.preclose = i810_driver_preclose,
71	.set_busid = drm_pci_set_busid,
72	.device_is_agp = i810_driver_device_is_agp,
73	.dma_quiescent = i810_driver_dma_quiescent,
74	.ioctls = i810_ioctls,
75	.fops = &i810_driver_fops,
76	.name = DRIVER_NAME,
77	.desc = DRIVER_DESC,
78	.date = DRIVER_DATE,
79	.major = DRIVER_MAJOR,
80	.minor = DRIVER_MINOR,
81	.patchlevel = DRIVER_PATCHLEVEL,
82};
83
84static struct pci_driver i810_pci_driver = {
85	.name = DRIVER_NAME,
86	.id_table = pciidlist,
87};
88
89static int __init i810_init(void)
90{
91	if (num_possible_cpus() > 1) {
92		pr_err("drm/i810 does not support SMP\n");
93		return -EINVAL;
94	}
95	driver.num_ioctls = i810_max_ioctl;
96	return drm_pci_init(&driver, &i810_pci_driver);
97}
98
99static void __exit i810_exit(void)
100{
101	drm_pci_exit(&driver, &i810_pci_driver);
102}
103
104module_init(i810_init);
105module_exit(i810_exit);
106
107MODULE_AUTHOR(DRIVER_AUTHOR);
108MODULE_DESCRIPTION(DRIVER_DESC);
109MODULE_LICENSE("GPL and additional rights");
110