i915_module.c revision 1.3.4.3 1 1.3.4.2 tls /* $NetBSD: i915_module.c,v 1.3.4.3 2017/12/03 11:37:59 jdolecek Exp $ */
2 1.3.4.2 tls
3 1.3.4.2 tls /*-
4 1.3.4.2 tls * Copyright (c) 2013 The NetBSD Foundation, Inc.
5 1.3.4.2 tls * All rights reserved.
6 1.3.4.2 tls *
7 1.3.4.2 tls * This code is derived from software contributed to The NetBSD Foundation
8 1.3.4.2 tls * by Taylor R. Campbell.
9 1.3.4.2 tls *
10 1.3.4.2 tls * Redistribution and use in source and binary forms, with or without
11 1.3.4.2 tls * modification, are permitted provided that the following conditions
12 1.3.4.2 tls * are met:
13 1.3.4.2 tls * 1. Redistributions of source code must retain the above copyright
14 1.3.4.2 tls * notice, this list of conditions and the following disclaimer.
15 1.3.4.2 tls * 2. Redistributions in binary form must reproduce the above copyright
16 1.3.4.2 tls * notice, this list of conditions and the following disclaimer in the
17 1.3.4.2 tls * documentation and/or other materials provided with the distribution.
18 1.3.4.2 tls *
19 1.3.4.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.3.4.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.3.4.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.3.4.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.3.4.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.3.4.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.3.4.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.3.4.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.3.4.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.3.4.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.3.4.2 tls * POSSIBILITY OF SUCH DAMAGE.
30 1.3.4.2 tls */
31 1.3.4.2 tls
32 1.3.4.2 tls #include <sys/cdefs.h>
33 1.3.4.2 tls __KERNEL_RCSID(0, "$NetBSD: i915_module.c,v 1.3.4.3 2017/12/03 11:37:59 jdolecek Exp $");
34 1.3.4.2 tls
35 1.3.4.2 tls #include <sys/types.h>
36 1.3.4.2 tls #include <sys/module.h>
37 1.3.4.2 tls #ifndef _MODULE
38 1.3.4.2 tls #include <sys/once.h>
39 1.3.4.2 tls #endif
40 1.3.4.2 tls #include <sys/systm.h>
41 1.3.4.2 tls
42 1.3.4.2 tls #include <drm/drmP.h>
43 1.3.4.3 jdolecek #include <drm/drm_sysctl.h>
44 1.3.4.2 tls
45 1.3.4.2 tls #include "i915_drv.h"
46 1.3.4.2 tls
47 1.3.4.2 tls MODULE(MODULE_CLASS_DRIVER, i915drmkms, "drmkms,drmkms_pci"); /* XXX drmkms_i2c */
48 1.3.4.2 tls
49 1.3.4.2 tls #ifdef _MODULE
50 1.3.4.2 tls #include "ioconf.c"
51 1.3.4.2 tls #endif
52 1.3.4.2 tls
53 1.3.4.2 tls /* XXX Kludge to get these from i915_drv.c. */
54 1.3.4.2 tls extern struct drm_driver *const i915_drm_driver;
55 1.3.4.2 tls extern const struct pci_device_id *const i915_device_ids;
56 1.3.4.2 tls extern const size_t i915_n_device_ids;
57 1.3.4.2 tls
58 1.3.4.3 jdolecek struct drm_sysctl_def i915_def = DRM_SYSCTL_INIT();
59 1.3.4.3 jdolecek
60 1.3.4.2 tls static int
61 1.3.4.2 tls i915drmkms_init(void)
62 1.3.4.2 tls {
63 1.3.4.2 tls extern int drm_guarantee_initialized(void);
64 1.3.4.2 tls int error;
65 1.3.4.2 tls
66 1.3.4.2 tls error = drm_guarantee_initialized();
67 1.3.4.2 tls if (error)
68 1.3.4.2 tls return error;
69 1.3.4.2 tls
70 1.3.4.2 tls i915_drm_driver->num_ioctls = i915_max_ioctl;
71 1.3.4.2 tls i915_drm_driver->driver_features |= DRIVER_MODESET;
72 1.3.4.2 tls i915_drm_driver->driver_features &= ~DRIVER_USE_AGP;
73 1.3.4.2 tls
74 1.3.4.2 tls error = drm_pci_init(i915_drm_driver, NULL);
75 1.3.4.2 tls if (error) {
76 1.3.4.2 tls aprint_error("i915drmkms: failed to init pci: %d\n",
77 1.3.4.2 tls error);
78 1.3.4.2 tls return error;
79 1.3.4.2 tls }
80 1.3.4.3 jdolecek drm_sysctl_init(&i915_def);
81 1.3.4.2 tls
82 1.3.4.2 tls return 0;
83 1.3.4.2 tls }
84 1.3.4.2 tls
85 1.3.4.2 tls int i915drmkms_guarantee_initialized(void); /* XXX */
86 1.3.4.2 tls int
87 1.3.4.2 tls i915drmkms_guarantee_initialized(void)
88 1.3.4.2 tls {
89 1.3.4.2 tls #ifdef _MODULE
90 1.3.4.2 tls return 0;
91 1.3.4.2 tls #else
92 1.3.4.2 tls static ONCE_DECL(i915drmkms_init_once);
93 1.3.4.2 tls
94 1.3.4.2 tls return RUN_ONCE(&i915drmkms_init_once, &i915drmkms_init);
95 1.3.4.2 tls #endif
96 1.3.4.2 tls }
97 1.3.4.2 tls
98 1.3.4.2 tls static void
99 1.3.4.2 tls i915drmkms_fini(void)
100 1.3.4.2 tls {
101 1.3.4.2 tls
102 1.3.4.2 tls drm_pci_exit(i915_drm_driver, NULL);
103 1.3.4.3 jdolecek drm_sysctl_fini(&i915_def);
104 1.3.4.2 tls }
105 1.3.4.2 tls
106 1.3.4.2 tls static int
107 1.3.4.2 tls i915drmkms_modcmd(modcmd_t cmd, void *arg __unused)
108 1.3.4.2 tls {
109 1.3.4.2 tls int error;
110 1.3.4.2 tls
111 1.3.4.2 tls switch (cmd) {
112 1.3.4.2 tls case MODULE_CMD_INIT:
113 1.3.4.2 tls /* XXX Kludge it up... Must happen before attachment. */
114 1.3.4.2 tls #ifdef _MODULE
115 1.3.4.2 tls error = i915drmkms_init();
116 1.3.4.2 tls #else
117 1.3.4.2 tls error = i915drmkms_guarantee_initialized();
118 1.3.4.2 tls #endif
119 1.3.4.2 tls if (error) {
120 1.3.4.2 tls aprint_error("i915drmkms: failed to initialize: %d\n",
121 1.3.4.2 tls error);
122 1.3.4.2 tls return error;
123 1.3.4.2 tls }
124 1.3.4.2 tls #ifdef _MODULE
125 1.3.4.2 tls error = config_init_component(cfdriver_ioconf_i915drmkms,
126 1.3.4.2 tls cfattach_ioconf_i915drmkms, cfdata_ioconf_i915drmkms);
127 1.3.4.2 tls if (error) {
128 1.3.4.2 tls aprint_error("i915drmkms: failed to init component"
129 1.3.4.2 tls ": %d\n", error);
130 1.3.4.2 tls i915drmkms_fini();
131 1.3.4.2 tls return error;
132 1.3.4.2 tls }
133 1.3.4.2 tls #endif
134 1.3.4.2 tls return 0;
135 1.3.4.2 tls
136 1.3.4.2 tls case MODULE_CMD_FINI:
137 1.3.4.2 tls #ifdef _MODULE
138 1.3.4.2 tls error = config_fini_component(cfdriver_ioconf_i915drmkms,
139 1.3.4.2 tls cfattach_ioconf_i915drmkms, cfdata_ioconf_i915drmkms);
140 1.3.4.2 tls if (error) {
141 1.3.4.2 tls aprint_error("i915drmkms: failed to fini component"
142 1.3.4.2 tls ": %d\n", error);
143 1.3.4.2 tls return error;
144 1.3.4.2 tls }
145 1.3.4.2 tls #endif
146 1.3.4.2 tls i915drmkms_fini();
147 1.3.4.2 tls return 0;
148 1.3.4.2 tls
149 1.3.4.2 tls default:
150 1.3.4.2 tls return ENOTTY;
151 1.3.4.2 tls }
152 1.3.4.2 tls }
153