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/** @file $Id: vboxvideo_drm.c $
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* VirtualBox Additions Linux kernel driver, DRM support
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* Copyright (C) 2006-2012 Oracle Corporation
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* This file is part of VirtualBox Open Source Edition (OSE), as
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* available from http://www.virtualbox.org. This file is free software;
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* you can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) as published by the Free Software
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* Foundation, in version 2 as it comes in the "COPYING" file of the
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* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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* --------------------------------------------------------------------
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* This code is based on:
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* tdfx_drv.c -- tdfx driver -*- linux-c -*-
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* Created: Thu Oct 7 10:38:32 1999 by faith@precisioninsight.com
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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* Rickard E. (Rik) Faith <faith@valinux.com>
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* Daryll Strauss <daryll@valinux.com>
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* Gareth Hughes <gareth@valinux.com>
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#include <linux/version.h>
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33)
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# include <generated/autoconf.h>
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# ifndef AUTOCONF_INCLUDED
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# include <linux/autoconf.h>
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#include <linux/module.h>
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#include "version-generated.h"
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
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# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32)
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# ifdef RHEL_RELEASE_CODE
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# if RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6,1)
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# if RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6,3)
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#include "vboxvideo_drm.h"
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static struct pci_device_id pciidlist[] = {
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int vboxvideo_driver_load(struct drm_device * dev, unsigned long flags)
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# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
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return drm_vblank_init(dev, 1);
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0) || defined(DRM_RHEL63)
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/* since linux-3.3.0-rc1 drm_driver::fops is pointer */
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static struct file_operations driver_fops =
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.release = drm_release,
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.unlocked_ioctl = drm_ioctl,
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.fasync = drm_fasync,
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static struct drm_driver driver =
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/* .driver_features = DRIVER_USE_MTRR, */
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.load = vboxvideo_driver_load,
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)
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.reclaim_buffers = drm_core_reclaim_buffers,
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/* As of Linux 2.6.37, always the internal functions are used. */
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37) && !defined(DRM_RHEL61)
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.get_map_ofs = drm_core_get_map_ofs,
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.get_reg_ofs = drm_core_get_reg_ofs,
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# if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0) && !defined(DRM_RHEL63)
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.owner = THIS_MODULE,
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.release = drm_release,
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/* This was changed with Linux 2.6.33 but Fedora backported this
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* change to their 2.6.32 kernel. */
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#if defined(DRM_UNLOCKED) || LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33)
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.unlocked_ioctl = drm_ioctl,
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.fasync = drm_fasync,
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#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0) || defined(DRM_RHEL63) */
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.fops = &driver_fops,
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(DRM_RHEL61)
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.id_table = pciidlist,
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.major = DRIVER_MAJOR,
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.minor = DRIVER_MINOR,
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.patchlevel = DRIVER_PATCHLEVEL,
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) || defined(DRM_RHEL61)
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static struct pci_driver pci_driver =
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.id_table = pciidlist,
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static int __init vboxvideo_init(void)
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(DRM_RHEL61)
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return drm_init(&driver);
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return drm_pci_init(&driver, &pci_driver);
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static void __exit vboxvideo_exit(void)
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(DRM_RHEL61)
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drm_pci_exit(&driver, &pci_driver);
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module_init(vboxvideo_init);
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module_exit(vboxvideo_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) */
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#ifdef MODULE_VERSION
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MODULE_VERSION(VBOX_VERSION_STRING);
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MODULE_LICENSE("GPL and additional rights");