133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
/* $NetBSD: vbox_drv.c,v 1.1 2011/02/20 15:40:21 jmcneill Exp $ */
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/*
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* Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: vbox_drv.c,v 1.1 2011/02/20 15:40:21 jmcneill Exp $");
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#include "drmP.h"
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#include "drm.h"
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static drm_pci_id_list_t vboxdrm_pciidlist[] = {
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{ 0x80ee, 0xbeef, 0, "VirtualBox Video" },
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{ 0, 0, 0, NULL },
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};
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static int
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vboxdrm_driver_load(struct drm_device *dev, unsigned long flags)
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{
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return drm_vblank_init(dev, 1);
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}
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static void
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vboxdrm_configure(struct drm_device *dev)
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{
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dev->driver->buf_priv_size = 1;
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dev->driver->load = vboxdrm_driver_load;
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dev->driver->name = "vbox";
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dev->driver->desc = "VirtualBox Video";
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dev->driver->date = "20110130";
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dev->driver->major = 1;
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dev->driver->minor = 0;
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dev->driver->patchlevel = 0;
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}
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static int
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vboxdrm_match(device_t parent, cfdata_t match, void *opaque)
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{
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struct pci_attach_args *pa = opaque;
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return drm_probe(pa, vboxdrm_pciidlist);
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}
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static void
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vboxdrm_attach(device_t parent, device_t self, void *opaque)
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{
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struct pci_attach_args *pa = opaque;
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struct drm_device *dev = device_private(self);
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pmf_device_register(self, NULL, NULL);
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dev->driver = kmem_zalloc(sizeof(struct drm_driver_info), KM_SLEEP);
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if (dev->driver == NULL) {
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aprint_error_dev(self, "couldn't allocate memory\n");
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return;
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}
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vboxdrm_configure(dev);
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drm_attach(self, pa, vboxdrm_pciidlist);
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}
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static int
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vboxdrm_detach(device_t self, int flags)
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{
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struct drm_device *dev = device_private(self);
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int error;
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pmf_device_deregister(self);
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error = drm_detach(self, flags);
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kmem_free(dev->driver, sizeof(struct drm_driver_info));
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return error;
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}
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CFATTACH_DECL_NEW(
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vboxdrm,
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sizeof(struct drm_device),
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vboxdrm_match,
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vboxdrm_attach,
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vboxdrm_detach,
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NULL
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);
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MODULE(MODULE_CLASS_DRIVER, vboxdrm, NULL);
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#ifdef _MODULE
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#include "ioconf.c"
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#endif
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static int
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vboxdrm_modcmd(modcmd_t cmd, void *opaque)
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{
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switch (cmd) {
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#ifdef _MODULE
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case MODULE_CMD_INIT:
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return config_init_component(cfdriver_ioconf_vboxdrm,
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cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
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case MODULE_CMD_FINI:
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return config_fini_component(cfdriver_ioconf_vboxdrm,
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cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
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#else
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case MODULE_CMD_INIT:
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case MODULE_CMD_FINI:
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return 0;
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#endif
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default:
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return ENOTTY;
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}
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}
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