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/** @file $Id: vbox_drv.c $
*
* VirtualBox Additions Linux kernel video driver
*/
/*
* Copyright (C) 2013 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
* --------------------------------------------------------------------
*
* This code is based on
* ast_drv.c
* with the following copyright and permission notice:
*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#include "vbox_drv.h"
#include <linux/module.h>
#include <linux/console.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
int vbox_modeset = -1;
MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
module_param_named(modeset, vbox_modeset, int, 0400);
static struct drm_driver driver;
static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
{0x80ee, 0xbeef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{0, 0, 0},
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_pci_dev(pdev, ent, &driver);
}
static void
vbox_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
drm_put_dev(dev);
}
static struct pci_driver vbox_pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
.probe = vbox_pci_probe,
.remove = vbox_pci_remove,
};
static const struct file_operations vbox_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = vbox_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
#ifdef CONFIG_COMPAT
.compat_ioctl = drm_compat_ioctl,
#endif
.read = drm_read,
};
static struct drm_driver driver = {
.driver_features = DRIVER_USE_MTRR | DRIVER_MODESET | DRIVER_GEM,
.dev_priv_size = 0,
.load = vbox_driver_load,
.unload = vbox_driver_unload,
.fops = &vbox_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.gem_init_object = vbox_gem_init_object,
.gem_free_object = vbox_gem_free_object,
.dumb_create = vbox_dumb_create,
.dumb_map_offset = vbox_dumb_mmap_offset,
.dumb_destroy = vbox_dumb_destroy,
};
static int __init vbox_init(void)
{
#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force() && vbox_modeset == -1)
return -EINVAL;
#endif
if (vbox_modeset == 0)
return -EINVAL;
return drm_pci_init(&driver, &vbox_pci_driver);
}
static void __exit vbox_exit(void)
{
drm_pci_exit(&driver, &vbox_pci_driver);
}
module_init(vbox_init);
module_exit(vbox_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
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