savage_drv.c revision 1.4
1/*	$NetBSD: savage_drv.c,v 1.4 2021/12/18 23:45:43 riastradh Exp $	*/
2
3/* savage_drv.c -- Savage driver for Linux
4 *
5 * Copyright 2004  Felix Kuehling
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, sub license,
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
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
24 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: savage_drv.c,v 1.4 2021/12/18 23:45:43 riastradh Exp $");
30
31#include <linux/module.h>
32#include <linux/pci.h>
33
34#include <drm/drm_drv.h>
35#include <drm/drm_file.h>
36#include <drm/drm_pciids.h>
37
38#include "savage_drv.h"
39
40static struct pci_device_id pciidlist[] = {
41	savage_PCI_IDS
42};
43
44static const struct file_operations savage_driver_fops = {
45	.owner = THIS_MODULE,
46	.open = drm_open,
47	.release = drm_release,
48	.unlocked_ioctl = drm_ioctl,
49	.mmap = drm_legacy_mmap,
50	.poll = drm_poll,
51	.compat_ioctl = drm_compat_ioctl,
52	.llseek = noop_llseek,
53};
54
55static struct drm_driver driver = {
56	.driver_features =
57	    DRIVER_USE_AGP | DRIVER_HAVE_DMA | DRIVER_PCI_DMA | DRIVER_LEGACY,
58	.dev_priv_size = sizeof(drm_savage_buf_priv_t),
59	.load = savage_driver_load,
60	.firstopen = savage_driver_firstopen,
61	.preclose = savage_reclaim_buffers,
62	.lastclose = savage_driver_lastclose,
63	.unload = savage_driver_unload,
64	.ioctls = savage_ioctls,
65	.dma_ioctl = savage_bci_buffers,
66	.fops = &savage_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
75static struct pci_driver savage_pci_driver = {
76	.name = DRIVER_NAME,
77	.id_table = pciidlist,
78};
79
80static int __init savage_init(void)
81{
82	driver.num_ioctls = savage_max_ioctl;
83	return drm_legacy_pci_init(&driver, &savage_pci_driver);
84}
85
86static void __exit savage_exit(void)
87{
88	drm_legacy_pci_exit(&driver, &savage_pci_driver);
89}
90
91module_init(savage_init);
92module_exit(savage_exit);
93
94MODULE_AUTHOR(DRIVER_AUTHOR);
95MODULE_DESCRIPTION(DRIVER_DESC);
96MODULE_LICENSE("GPL and additional rights");
97