xref: /netbsd-src/sys/external/bsd/drm2/pci/drm_pci_module.c (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1 /*	$NetBSD: drm_pci_module.c,v 1.2 2014/03/18 18:20:43 riastradh Exp $	*/
2 
3 /*-
4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Taylor R. Campbell.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: drm_pci_module.c,v 1.2 2014/03/18 18:20:43 riastradh Exp $");
34 
35 #include <sys/module.h>
36 
37 #include <drm/drmP.h>
38 
39 MODULE(MODULE_CLASS_MISC, drmkms_pci, "drmkms,pci");
40 
41 const struct drm_agp_hooks drmkms_pci_agp_hooks = {
42 	.agph_acquire_ioctl = &drm_agp_acquire_ioctl,
43 	.agph_release_ioctl = &drm_agp_release_ioctl,
44 	.agph_enable_ioctl = &drm_agp_enable_ioctl,
45 	.agph_info_ioctl = &drm_agp_info_ioctl,
46 	.agph_alloc_ioctl = &drm_agp_alloc_ioctl,
47 	.agph_free_ioctl = &drm_agp_free_ioctl,
48 	.agph_bind_ioctl = &drm_agp_bind_ioctl,
49 	.agph_unbind_ioctl = &drm_agp_unbind_ioctl,
50 	.agph_release = &drm_agp_release,
51 };
52 
53 static int
54 drmkms_pci_modcmd(modcmd_t cmd, void *arg __unused)
55 {
56 	int error;
57 
58 	switch (cmd) {
59 	case MODULE_CMD_INIT:
60 		error = drm_agp_register(&drmkms_pci_agp_hooks);
61 		if (error)
62 			return error;
63 		return 0;
64 
65 	case MODULE_CMD_FINI:
66 		drm_agp_deregister(&drmkms_pci_agp_hooks);
67 		return 0;
68 
69 	default:
70 		return ENOTTY;
71 	}
72 }
73