| 1 | /** @file $Id: vboxvideo_drm.c 27248 2010-03-10 12:59:29Z vboxsync $
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| 2 | *
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| 3 | * VirtualBox Additions Linux kernel driver, DRM support
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 19 | * additional information or have any questions.
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| 20 | * --------------------------------------------------------------------
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| 21 | *
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| 22 | * This code is based on:
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| 23 | *
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| 24 | * tdfx_drv.c -- tdfx driver -*- linux-c -*-
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| 25 | * Created: Thu Oct 7 10:38:32 1999 by [email protected]
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| 26 | *
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| 27 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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| 28 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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| 29 | * All Rights Reserved.
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| 30 | *
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| 31 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 32 | * copy of this software and associated documentation files (the "Software"),
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| 33 | * to deal in the Software without restriction, including without limitation
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| 34 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 35 | * and/or sell copies of the Software, and to permit persons to whom the
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| 36 | * Software is furnished to do so, subject to the following conditions:
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| 37 | *
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| 38 | * The above copyright notice and this permission notice (including the next
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| 39 | * paragraph) shall be included in all copies or substantial portions of the
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| 40 | * Software.
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| 41 | *
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| 42 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 43 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 44 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 45 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 46 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 47 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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| 48 | * DEALINGS IN THE SOFTWARE.
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| 49 | *
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| 50 | * Authors:
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| 51 | * Rickard E. (Rik) Faith <[email protected]>
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| 52 | * Daryll Strauss <[email protected]>
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| 53 | * Gareth Hughes <[email protected]>
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| 54 | */
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| 55 |
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| 56 | #ifndef AUTOCONF_INCLUDED
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| 57 | # include <linux/autoconf.h>
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| 58 | #endif
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| 59 | #include <linux/version.h>
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| 60 | #include <linux/module.h>
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| 61 |
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| 62 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
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| 63 |
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| 64 | #include "drm/drmP.h"
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| 65 | #include "vboxvideo_drm.h"
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| 66 |
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| 67 | static struct pci_device_id pciidlist[] = {
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| 68 | vboxvideo_PCI_IDS
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| 69 | };
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| 70 |
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| 71 | int vboxvideo_driver_load(struct drm_device * dev, unsigned long flags)
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| 72 | {
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| 73 | # if LINUX_VERSION_CODE >= KERNEL_VERSION (2, 6, 28)
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| 74 | return drm_vblank_init(dev, 1);
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| 75 | #else
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| 76 | return 0;
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| 77 | #endif
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| 78 | }
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| 79 |
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| 80 | static struct drm_driver driver = {
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| 81 | /* .driver_features = DRIVER_USE_MTRR, */
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| 82 | .load = vboxvideo_driver_load,
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| 83 | .reclaim_buffers = drm_core_reclaim_buffers,
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| 84 | .get_map_ofs = drm_core_get_map_ofs,
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| 85 | .get_reg_ofs = drm_core_get_reg_ofs,
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| 86 | .fops = {
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| 87 | .owner = THIS_MODULE,
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| 88 | .open = drm_open,
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| 89 | .release = drm_release,
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| 90 | /* This was changed with Linux 2.6.33 but Fedora backported this
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| 91 | * change to their 2.6.32 kernel. */
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| 92 | #if defined(DRM_UNLOCKED) || LINUX_VERSION_CODE >= KERNEL_VERSION (2, 6, 33)
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| 93 | .unlocked_ioctl = drm_ioctl,
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| 94 | #else
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| 95 | .ioctl = drm_ioctl,
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| 96 | #endif
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| 97 | .mmap = drm_mmap,
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| 98 | .poll = drm_poll,
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| 99 | .fasync = drm_fasync,
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| 100 | },
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| 101 | .pci_driver = {
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| 102 | .name = DRIVER_NAME,
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| 103 | .id_table = pciidlist,
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| 104 | },
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| 105 |
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| 106 | .name = DRIVER_NAME,
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| 107 | .desc = DRIVER_DESC,
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| 108 | .date = DRIVER_DATE,
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| 109 | .major = DRIVER_MAJOR,
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| 110 | .minor = DRIVER_MINOR,
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| 111 | .patchlevel = DRIVER_PATCHLEVEL,
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| 112 | };
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| 113 |
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| 114 | static int __init vboxvideo_init(void)
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| 115 | {
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| 116 | return drm_init(&driver);
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| 117 | }
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| 118 |
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| 119 | static void __exit vboxvideo_exit(void)
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| 120 | {
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| 121 | drm_exit(&driver);
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| 122 | }
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| 123 |
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| 124 | module_init(vboxvideo_init);
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| 125 | module_exit(vboxvideo_exit);
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| 126 |
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| 127 | MODULE_AUTHOR(DRIVER_AUTHOR);
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| 128 | MODULE_DESCRIPTION(DRIVER_DESC);
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| 129 |
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| 130 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) */
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| 131 |
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| 132 | MODULE_LICENSE("GPL and additional rights");
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