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/** @file $Id: vboxvideo_drm.c $
*
* VirtualBox Additions Linux kernel driver, DRM support
*/
/*
* Copyright (C) 2006-2007 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:
*
* tdfx_drv.c -- tdfx driver -*- linux-c -*-
* Created: Thu Oct 7 10:38:32 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* 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, sublicense,
* 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 above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT 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.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Daryll Strauss <daryll@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*/
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33)
# include <generated/autoconf.h>
#else
# ifndef AUTOCONF_INCLUDED
# include <linux/autoconf.h>
# endif
#endif
#include <linux/module.h>
#include "version-generated.h"
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32)
# ifdef RHEL_RELEASE_CODE
# if RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 1)
# define DRM_RHEL61
# endif
# if RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 3)
# define DRM_FOPS_AS_POINTER
# endif
# if RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)
# define DRM_NO_RECLAIM_BUFFERS
# endif
# endif
# endif
#include "drm/drmP.h"
#include "vboxvideo_drm.h"
# ifndef RHEL_RELEASE_CODE
# if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 39) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
# if defined(DRM_MODE_OBJECT_PLANE) && defined(DRM_IOCTL_MODE_ADDFB2)
# define DRM_FOPS_AS_POINTER
# endif
# endif
# endif
#ifdef CONFIG_SUSE_KERNEL
/* This is to cover the SLES 11 SP3 kernel back-ports. */
# if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,61)
# if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
# define DRM_FOPS_AS_POINTER
# define DRM_NO_RECLAIM_BUFFERS
# endif
# endif
#endif
# if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)
# ifdef DRM_IOCTL_MODE_GETPLANE
# define DRM_DEBIAN70
# endif
# endif
static struct pci_device_id pciidlist[] = {
vboxvideo_PCI_IDS
};
int vboxvideo_driver_load(struct drm_device * dev, unsigned long flags)
{
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28)
return drm_vblank_init(dev, 1);
#else
return 0;
#endif
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0) || defined(DRM_FOPS_AS_POINTER) || defined(DRM_DEBIAN70)
/* since linux-3.3.0-rc1 drm_driver::fops is pointer */
static struct file_operations driver_fops =
{
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = drm_mmap,
.poll = drm_poll,
};
#endif
static struct drm_driver driver =
{
/* .driver_features = DRIVER_USE_MTRR, */
.load = vboxvideo_driver_load,
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0) && !defined(DRM_NO_RECLAIM_BUFFERS)
.reclaim_buffers = drm_core_reclaim_buffers,
#endif
/* As of Linux 2.6.37, always the internal functions are used. */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37) && !defined(DRM_RHEL61)
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
#endif
# if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0) && !defined(DRM_FOPS_AS_POINTER) && !defined(DRM_DEBIAN70)
.fops =
{
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
/* This was changed with Linux 2.6.33 but Fedora backported this
* change to their 2.6.32 kernel. */
#if defined(DRM_UNLOCKED) || LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33)
.unlocked_ioctl = drm_ioctl,
#else
.ioctl = drm_ioctl,
#endif
.mmap = drm_mmap,
.poll = drm_poll,
},
#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0) || defined(DRM_FOPS_AS_POINTER) || defined(DRM_DEBIAN70) */
.fops = &driver_fops,
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(DRM_RHEL61)
.pci_driver =
{
.name = DRIVER_NAME,
.id_table = pciidlist,
},
#endif
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
};
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) || defined(DRM_RHEL61)
static struct pci_driver pci_driver =
{
.name = DRIVER_NAME,
.id_table = pciidlist,
};
#endif
static int __init vboxvideo_init(void)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(DRM_RHEL61)
return drm_init(&driver);
#else
return drm_pci_init(&driver, &pci_driver);
#endif
}
static void __exit vboxvideo_exit(void)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(DRM_RHEL61)
drm_exit(&driver);
#else
drm_pci_exit(&driver, &pci_driver);
#endif
}
module_init(vboxvideo_init);
module_exit(vboxvideo_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) */
#ifdef MODULE_VERSION
MODULE_VERSION(VBOX_VERSION_STRING);
#endif
MODULE_LICENSE("GPL and additional rights");
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