1/* $NetBSD: vbox_drv.c,v 1.4 2017/06/01 02:45:09 chs Exp $ */
2
3/*
4 * Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. The name of the author may not be used to endorse or promote products
13 *    derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: vbox_drv.c,v 1.4 2017/06/01 02:45:09 chs Exp $");
30
31#include "drmP.h"
32#include "drm.h"
33
34static drm_pci_id_list_t vboxdrm_pciidlist[] = {
35	{ 0x80ee, 0xbeef, 0, "VirtualBox Video" },
36	{ 0, 0, 0, NULL },
37};
38
39static int
40vboxdrm_driver_load(struct drm_device *dev, unsigned long flags)
41{
42	return drm_vblank_init(dev, 1);
43}
44
45static void
46vboxdrm_configure(struct drm_device *dev)
47{
48	dev->driver->buf_priv_size = 1;
49	dev->driver->load = vboxdrm_driver_load;
50	dev->driver->name = "vbox";
51	dev->driver->desc = "VirtualBox Video";
52	dev->driver->date = "20110130";
53	dev->driver->major = 1;
54	dev->driver->minor = 0;
55	dev->driver->patchlevel = 0;
56}
57
58static int
59vboxdrm_match(device_t parent, cfdata_t match, void *opaque)
60{
61	struct pci_attach_args *pa = opaque;
62
63	return drm_probe(pa, vboxdrm_pciidlist);
64}
65
66static void
67vboxdrm_attach(device_t parent, device_t self, void *opaque)
68{
69	struct pci_attach_args *pa = opaque;
70	struct drm_device *dev = device_private(self);
71
72	if (!pmf_device_register(self, NULL, NULL))
73		aprint_error_dev(self, "couldn't establish power handler\n");
74
75	dev->driver = kmem_zalloc(sizeof(struct drm_driver_info), KM_SLEEP);
76	vboxdrm_configure(dev);
77	drm_attach(self, pa, vboxdrm_pciidlist);
78}
79
80static int
81vboxdrm_detach(device_t self, int flags)
82{
83	struct drm_device *dev = device_private(self);
84	int error;
85
86	pmf_device_deregister(self);
87
88	error = drm_detach(self, flags);
89	kmem_free(dev->driver, sizeof(struct drm_driver_info));
90
91	return error;
92}
93
94CFATTACH_DECL_NEW(
95    vboxdrm,
96    sizeof(struct drm_device),
97    vboxdrm_match,
98    vboxdrm_attach,
99    vboxdrm_detach,
100    NULL
101);
102
103MODULE(MODULE_CLASS_DRIVER, vboxdrm, "drm");
104
105#ifdef _MODULE
106#include "ioconf.c"
107#endif
108
109static int
110vboxdrm_modcmd(modcmd_t cmd, void *opaque)
111{
112	switch (cmd) {
113#ifdef _MODULE
114	case MODULE_CMD_INIT:
115		return config_init_component(cfdriver_ioconf_vboxdrm,
116		    cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
117	case MODULE_CMD_FINI:
118		return config_fini_component(cfdriver_ioconf_vboxdrm,
119		    cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
120#else
121	case MODULE_CMD_INIT:
122	case MODULE_CMD_FINI:
123		return 0;
124#endif
125	default:
126		return ENOTTY;
127	}
128}
129