| 1 | /* $Id: vboxvideo_drm.c 93115 2022-01-01 11:31:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox Guest Additions - vboxvideo DRM module.
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| 4 | * FreeBSD kernel OpenGL module.
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2022 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | * --------------------------------------------------------------------
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| 18 | *
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| 19 | * This code is based on:
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| 20 | *
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| 21 | * tdfx_drv.c -- tdfx driver -*- linux-c -*-
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| 22 | * Created: Thu Oct 7 10:38:32 1999 by faith@precisioninsight.com
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| 23 | *
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| 24 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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| 25 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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| 26 | * All Rights Reserved.
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| 27 | *
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| 28 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 29 | * copy of this software and associated documentation files (the "Software"),
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| 30 | * to deal in the Software without restriction, including without limitation
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| 31 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 32 | * and/or sell copies of the Software, and to permit persons to whom the
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| 33 | * Software is furnished to do so, subject to the following conditions:
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| 34 | *
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| 35 | * The above copyright notice and this permission notice (including the next
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| 36 | * paragraph) shall be included in all copies or substantial portions of the
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| 37 | * Software.
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| 38 | *
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| 39 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 40 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 41 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 42 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 43 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 44 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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| 45 | * DEALINGS IN THE SOFTWARE.
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| 46 | *
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| 47 | * Authors:
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| 48 | * Rickard E. (Rik) Faith <faith@valinux.com>
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| 49 | * Daryll Strauss <daryll@valinux.com>
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| 50 | * Gareth Hughes <gareth@valinux.com>
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| 51 | *
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| 52 | */
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| 53 |
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| 54 | #include <sys/cdefs.h>
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| 55 | __FBSDID("$FreeBSD$");
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| 56 |
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| 57 | #include "dev/drm/drmP.h"
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| 58 | #include "dev/drm/drm_pciids.h"
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| 59 |
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| 60 | #define DRIVER_AUTHOR "Oracle Corporation"
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| 61 | #define DRIVER_NAME "vboxvideo"
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| 62 | #define DRIVER_DESC "VirtualBox DRM"
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| 63 | #define DRIVER_DATE "20090317"
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| 64 | #define DRIVER_MAJOR 1
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| 65 | #define DRIVER_MINOR 0
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| 66 | #define DRIVER_PATCHLEVEL 0
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| 67 |
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| 68 | /** @todo Take PCI IDs from VBox/param.h; VBOX_VESA_VENDORID,
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| 69 | * VBOX_VESA_DEVICEID. */
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| 70 | #define vboxvideo_PCI_IDS { 0x80ee, 0xbeef, 0, "VirtualBox Video" }, \
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| 71 | { 0, 0, 0, NULL }
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| 72 |
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| 73 | static drm_pci_id_list_t vboxvideo_pciidlist[] = {
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| 74 | vboxvideo_PCI_IDS
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| 75 | };
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| 76 |
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| 77 | static void vboxvideo_configure(struct drm_device *dev)
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| 78 | {
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| 79 | #if __FreeBSD_version >= 702000
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| 80 | dev->driver->buf_priv_size = 1; /* No dev_priv */
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| 81 |
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| 82 | dev->driver->max_ioctl = 0;
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| 83 |
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| 84 | dev->driver->name = DRIVER_NAME;
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| 85 | dev->driver->desc = DRIVER_DESC;
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| 86 | dev->driver->date = DRIVER_DATE;
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| 87 | dev->driver->major = DRIVER_MAJOR;
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| 88 | dev->driver->minor = DRIVER_MINOR;
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| 89 | dev->driver->patchlevel = DRIVER_PATCHLEVEL;
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| 90 | #else
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| 91 | dev->driver.buf_priv_size = 1; /* No dev_priv */
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| 92 |
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| 93 | dev->driver.max_ioctl = 0;
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| 94 |
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| 95 | dev->driver.name = DRIVER_NAME;
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| 96 | dev->driver.desc = DRIVER_DESC;
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| 97 | dev->driver.date = DRIVER_DATE;
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| 98 | dev->driver.major = DRIVER_MAJOR;
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| 99 | dev->driver.minor = DRIVER_MINOR;
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| 100 | dev->driver.patchlevel = DRIVER_PATCHLEVEL;
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| 101 | #endif
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| 102 | }
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| 103 |
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| 104 | static int
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| 105 | vboxvideo_probe(device_t kdev)
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| 106 | {
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| 107 | return drm_probe(kdev, vboxvideo_pciidlist);
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| 108 | }
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| 109 |
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| 110 | static int
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| 111 | vboxvideo_attach(device_t kdev)
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| 112 | {
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| 113 | struct drm_device *dev = device_get_softc(kdev);
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| 114 |
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| 115 | #if __FreeBSD_version >= 702000
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| 116 | dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
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| 117 | M_WAITOK | M_ZERO);
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| 118 | #else
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| 119 | bzero(&dev->driver, sizeof(struct drm_driver_info));
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| 120 | #endif
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| 121 |
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| 122 | vboxvideo_configure(dev);
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| 123 |
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| 124 | return drm_attach(kdev, vboxvideo_pciidlist);
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| 125 | }
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| 126 |
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| 127 | static int
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| 128 | vboxvideo_detach(device_t kdev)
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| 129 | {
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| 130 | struct drm_device *dev = device_get_softc(kdev);
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| 131 | int ret;
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| 132 |
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| 133 | ret = drm_detach(kdev);
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| 134 |
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| 135 | #if __FreeBSD_version >= 702000
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| 136 | free(dev->driver, DRM_MEM_DRIVER);
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| 137 | #endif
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| 138 |
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| 139 | return ret;
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| 140 | }
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| 141 |
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| 142 | static device_method_t vboxvideo_methods[] = {
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| 143 | /* Device interface */
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| 144 | DEVMETHOD(device_probe, vboxvideo_probe),
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| 145 | DEVMETHOD(device_attach, vboxvideo_attach),
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| 146 | DEVMETHOD(device_detach, vboxvideo_detach),
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| 147 |
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| 148 | { 0, 0 }
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| 149 | };
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| 150 |
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| 151 | static driver_t vboxvideo_driver = {
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| 152 | "drm",
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| 153 | vboxvideo_methods,
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| 154 | sizeof(struct drm_device)
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| 155 | };
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| 156 |
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| 157 | extern devclass_t drm_devclass;
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| 158 | #if __FreeBSD_version >= 700010
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| 159 | DRIVER_MODULE(vboxvideo, vgapci, vboxvideo_driver, drm_devclass, 0, 0);
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| 160 | #else
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| 161 | DRIVER_MODULE(vboxvideo, pci, vboxvideo_driver, drm_devclass, 0, 0);
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| 162 | #endif
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| 163 | MODULE_DEPEND(vboxvideo, drm, 1, 1, 1);
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