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/* $NetBSD: vbox_drv.c,v 1.2 2011/08/28 17:18:31 jmcneill Exp $ */
/*
* Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vbox_drv.c,v 1.2 2011/08/28 17:18:31 jmcneill Exp $");
#include "drmP.h"
#include "drm.h"
static drm_pci_id_list_t vboxdrm_pciidlist[] = {
{ 0x80ee, 0xbeef, 0, "VirtualBox Video" },
{ 0, 0, 0, NULL },
};
static int
vboxdrm_driver_load(struct drm_device *dev, unsigned long flags)
{
return drm_vblank_init(dev, 1);
}
static void
vboxdrm_configure(struct drm_device *dev)
{
dev->driver->buf_priv_size = 1;
dev->driver->load = vboxdrm_driver_load;
dev->driver->name = "vbox";
dev->driver->desc = "VirtualBox Video";
dev->driver->date = "20110130";
dev->driver->major = 1;
dev->driver->minor = 0;
dev->driver->patchlevel = 0;
}
static int
vboxdrm_match(device_t parent, cfdata_t match, void *opaque)
{
struct pci_attach_args *pa = opaque;
return drm_probe(pa, vboxdrm_pciidlist);
}
static void
vboxdrm_attach(device_t parent, device_t self, void *opaque)
{
struct pci_attach_args *pa = opaque;
struct drm_device *dev = device_private(self);
pmf_device_register(self, NULL, NULL);
dev->driver = kmem_zalloc(sizeof(struct drm_driver_info), KM_SLEEP);
if (dev->driver == NULL) {
aprint_error_dev(self, "couldn't allocate memory\n");
return;
}
vboxdrm_configure(dev);
drm_attach(self, pa, vboxdrm_pciidlist);
}
static int
vboxdrm_detach(device_t self, int flags)
{
struct drm_device *dev = device_private(self);
int error;
pmf_device_deregister(self);
error = drm_detach(self, flags);
kmem_free(dev->driver, sizeof(struct drm_driver_info));
return error;
}
CFATTACH_DECL_NEW(
vboxdrm,
sizeof(struct drm_device),
vboxdrm_match,
vboxdrm_attach,
vboxdrm_detach,
NULL
);
MODULE(MODULE_CLASS_DRIVER, vboxdrm, "drm");
#ifdef _MODULE
#include "ioconf.c"
#endif
static int
vboxdrm_modcmd(modcmd_t cmd, void *opaque)
{
switch (cmd) {
#ifdef _MODULE
case MODULE_CMD_INIT:
return config_init_component(cfdriver_ioconf_vboxdrm,
cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
case MODULE_CMD_FINI:
return config_fini_component(cfdriver_ioconf_vboxdrm,
cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
#else
case MODULE_CMD_INIT:
case MODULE_CMD_FINI:
return 0;
#endif
default:
return ENOTTY;
}
}
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