nouveau_module.c revision 1.5 1 /* $NetBSD: nouveau_module.c,v 1.5 2018/08/27 06:41:25 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2014 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: nouveau_module.c,v 1.5 2018/08/27 06:41:25 riastradh Exp $");
34
35 #include <sys/types.h>
36 #include <sys/module.h>
37 #include <sys/systm.h>
38
39 #include <drm/drmP.h>
40 #include <drm/drm_sysctl.h>
41
42 #include <core/device.h>
43
44 MODULE(MODULE_CLASS_DRIVER, nouveau, "drmkms"); /* XXX drmkms_i2c, drmkms_ttm */
45
46 #ifdef _MODULE
47 #include "ioconf.c"
48 #endif
49
50 struct drm_sysctl_def nouveau_def = DRM_SYSCTL_INIT();
51
52 extern struct drm_driver *const nouveau_drm_driver; /* XXX */
53
54 static int
55 nouveau_init(void)
56 {
57 nouveau_devices_init();
58 drm_sysctl_init(&nouveau_def);
59
60 return 0;
61 }
62
63 static void
64 nouveau_fini(void)
65 {
66
67 drm_sysctl_fini(&nouveau_def);
68 nouveau_devices_fini();
69 }
70
71 static int
72 nouveau_modcmd(modcmd_t cmd, void *arg __unused)
73 {
74 int error;
75
76 switch (cmd) {
77 case MODULE_CMD_INIT:
78 error = nouveau_init();
79 if (error) {
80 aprint_error("nouveau: failed to initialize: %d\n",
81 error);
82 return error;
83 }
84 #ifdef _MODULE
85 error = config_init_component(cfdriver_ioconf_nouveau,
86 cfattach_ioconf_nouveau, cfdata_ioconf_nouveau);
87 if (error) {
88 aprint_error("nouveau: failed to init component"
89 ": %d\n", error);
90 nouveau_fini();
91 return error;
92 }
93 #endif
94 return 0;
95
96 case MODULE_CMD_FINI:
97 #ifdef _MODULE
98 error = config_fini_component(cfdriver_ioconf_nouveau,
99 cfattach_ioconf_nouveau, cfdata_ioconf_nouveau);
100 if (error) {
101 aprint_error("nouveau: failed to fini component"
102 ": %d\n", error);
103 return error;
104 }
105 #endif
106 nouveau_fini();
107 return 0;
108
109 default:
110 return ENOTTY;
111 }
112 }
113