diff options
Diffstat (limited to 'src/VBox/Additions/linux/drm/vbox_drv.c')
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_drv.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/VBox/Additions/linux/drm/vbox_drv.c b/src/VBox/Additions/linux/drm/vbox_drv.c new file mode 100644 index 00000000..df7997f0 --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_drv.c @@ -0,0 +1,151 @@ +/** @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"); + |