1 /* $NetBSD: i810_drv.c,v 1.4 2021/12/18 23:45:27 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 1.4 2021/12/18 23:45:27 riastradh Exp $");
37
38 #include "i810_drv.h"
39
40 #include <linux/module.h>
41 #include <linux/pci.h>
42
43 #include <drm/drm_drv.h>
44 #include <drm/drm_file.h>
45 #include <drm/drm_pciids.h>
46 #include <drm/i810_drm.h>
47
48
49 static struct pci_device_id pciidlist[] = {
50 i810_PCI_IDS
51 };
52
53 static const struct file_operations i810_driver_fops = {
54 .owner = THIS_MODULE,
55 .open = drm_open,
56 .release = drm_release,
57 .unlocked_ioctl = drm_ioctl,
58 .mmap = drm_legacy_mmap,
59 .poll = drm_poll,
60 .compat_ioctl = drm_compat_ioctl,
61 .llseek = noop_llseek,
62 };
63
64 static struct drm_driver driver = {
65 .driver_features = DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_LEGACY,
66 .dev_priv_size = sizeof(drm_i810_buf_priv_t),
67 .load = i810_driver_load,
68 .lastclose = i810_driver_lastclose,
69 .preclose = i810_driver_preclose,
70 .dma_quiescent = i810_driver_dma_quiescent,
71 .ioctls = i810_ioctls,
72 .fops = &i810_driver_fops,
73 .name = DRIVER_NAME,
74 .desc = DRIVER_DESC,
75 .date = DRIVER_DATE,
76 .major = DRIVER_MAJOR,
77 .minor = DRIVER_MINOR,
78 .patchlevel = DRIVER_PATCHLEVEL,
79 };
80
81 static struct pci_driver i810_pci_driver = {
82 .name = DRIVER_NAME,
83 .id_table = pciidlist,
84 };
85
i810_init(void)86 static int __init i810_init(void)
87 {
88 if (num_possible_cpus() > 1) {
89 pr_err("drm/i810 does not support SMP\n");
90 return -EINVAL;
91 }
92 driver.num_ioctls = i810_max_ioctl;
93 return drm_legacy_pci_init(&driver, &i810_pci_driver);
94 }
95
i810_exit(void)96 static void __exit i810_exit(void)
97 {
98 drm_legacy_pci_exit(&driver, &i810_pci_driver);
99 }
100
101 module_init(i810_init);
102 module_exit(i810_exit);
103
104 MODULE_AUTHOR(DRIVER_AUTHOR);
105 MODULE_DESCRIPTION(DRIVER_DESC);
106 MODULE_LICENSE("GPL and additional rights");
107