Release 4.18 drivers/staging/vboxvideo/vbox_drv.c
/*
* Copyright (C) 2013-2017 Oracle Corporation
* This file is based on ast_drv.c
* 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>
* Michael Thayer <michael.thayer@oracle.com,
* Hans de Goede <hdegoede@redhat.com>
*/
#include <linux/module.h>
#include <linux/console.h>
#include <linux/vt_kern.h>
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include "vbox_drv.h"
static 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 const struct pci_device_id 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
static void vbox_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
drm_put_dev(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static int vbox_drm_freeze(struct drm_device *dev)
{
struct vbox_private *vbox = dev->dev_private;
drm_kms_helper_poll_disable(dev);
pci_save_state(dev->pdev);
drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, true);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 47 | 100.00% | 1 | 100.00% |
| Total | 47 | 100.00% | 1 | 100.00% |
static int vbox_drm_thaw(struct drm_device *dev)
{
struct vbox_private *vbox = dev->dev_private;
drm_mode_config_reset(dev);
drm_helper_resume_force_mode(dev);
drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, false);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 45 | 100.00% | 1 | 100.00% |
| Total | 45 | 100.00% | 1 | 100.00% |
static int vbox_drm_resume(struct drm_device *dev)
{
int ret;
if (pci_enable_device(dev->pdev))
return -EIO;
ret = vbox_drm_thaw(dev);
if (ret)
return ret;
drm_kms_helper_poll_enable(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 49 | 100.00% | 1 | 100.00% |
| Total | 49 | 100.00% | 1 | 100.00% |
static int vbox_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *ddev = pci_get_drvdata(pdev);
int error;
error = vbox_drm_freeze(ddev);
if (error)
return error;
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 63 | 100.00% | 1 | 100.00% |
| Total | 63 | 100.00% | 1 | 100.00% |
static int vbox_pm_resume(struct device *dev)
{
struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
return vbox_drm_resume(ddev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
static int vbox_pm_freeze(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *ddev = pci_get_drvdata(pdev);
if (!ddev || !ddev->dev_private)
return -ENODEV;
return vbox_drm_freeze(ddev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 51 | 100.00% | 1 | 100.00% |
| Total | 51 | 100.00% | 1 | 100.00% |
static int vbox_pm_thaw(struct device *dev)
{
struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
return vbox_drm_thaw(ddev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
static int vbox_pm_poweroff(struct device *dev)
{
struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
return vbox_drm_freeze(ddev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
static const struct dev_pm_ops vbox_pm_ops = {
.suspend = vbox_pm_suspend,
.resume = vbox_pm_resume,
.freeze = vbox_pm_freeze,
.thaw = vbox_pm_thaw,
.poweroff = vbox_pm_poweroff,
.restore = vbox_pm_resume,
};
static struct pci_driver vbox_pci_driver = {
.name = DRIVER_NAME,
.id_table = pciidlist,
.probe = vbox_pci_probe,
.remove = vbox_pci_remove,
.driver.pm = &vbox_pm_ops,
};
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,
#ifdef CONFIG_COMPAT
.compat_ioctl = drm_compat_ioctl,
#endif
.read = drm_read,
};
static int vbox_master_set(struct drm_device *dev,
struct drm_file *file_priv, bool from_open)
{
struct vbox_private *vbox = dev->dev_private;
/*
* We do not yet know whether the new owner can handle hotplug, so we
* do not advertise dynamic modes on the first query and send a
* tentative hotplug notification after that to see if they query again.
*/
vbox->initial_mode_queried = false;
mutex_lock(&vbox->hw_mutex);
/*
* Disable VBVA when someone releases master in case the next person
* tries tries to do VESA.
*/
/** @todo work out if anyone is likely to and whether it will work. */
/*
* Update: we also disable it because if the new master does not do
* dirty rectangle reporting (e.g. old versions of Plymouth) then at
* least the first screen will still be updated. We enable it as soon
* as we receive a dirty rectangle report.
*/
vbox_disable_accel(vbox);
mutex_unlock(&vbox->hw_mutex);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 62 | 100.00% | 1 | 100.00% |
| Total | 62 | 100.00% | 1 | 100.00% |
static void vbox_master_drop(struct drm_device *dev, struct drm_file *file_priv)
{
struct vbox_private *vbox = dev->dev_private;
/* See vbox_master_set() */
vbox->initial_mode_queried = false;
mutex_lock(&vbox->hw_mutex);
vbox_disable_accel(vbox);
mutex_unlock(&vbox->hw_mutex);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 53 | 100.00% | 1 | 100.00% |
| Total | 53 | 100.00% | 1 | 100.00% |
static struct drm_driver driver = {
.driver_features =
DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
DRIVER_PRIME,
.dev_priv_size = 0,
.load = vbox_driver_load,
.unload = vbox_driver_unload,
.lastclose = vbox_driver_lastclose,
.master_set = vbox_master_set,
.master_drop = vbox_master_drop,
.fops = &vbox_fops,
.irq_handler = vbox_irq_handler,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.gem_free_object_unlocked = vbox_gem_free_object,
.dumb_create = vbox_dumb_create,
.dumb_map_offset = vbox_dumb_mmap_offset,
.dumb_destroy = drm_gem_dumb_destroy,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
.gem_prime_export = drm_gem_prime_export,
.gem_prime_import = drm_gem_prime_import,
.gem_prime_pin = vbox_gem_prime_pin,
.gem_prime_unpin = vbox_gem_prime_unpin,
.gem_prime_get_sg_table = vbox_gem_prime_get_sg_table,
.gem_prime_import_sg_table = vbox_gem_prime_import_sg_table,
.gem_prime_vmap = vbox_gem_prime_vmap,
.gem_prime_vunmap = vbox_gem_prime_vunmap,
.gem_prime_mmap = vbox_gem_prime_mmap,
};
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 pci_register_driver(&vbox_pci_driver);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 44 | 97.78% | 1 | 50.00% |
| Stephen Rothwell | 1 | 2.22% | 1 | 50.00% |
| Total | 45 | 100.00% | 2 | 100.00% |
static void __exit vbox_exit(void)
{
pci_unregister_driver(&vbox_pci_driver);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 14 | 93.33% | 1 | 50.00% |
| Stephen Rothwell | 1 | 6.67% | 1 | 50.00% |
| Total | 15 | 100.00% | 2 | 100.00% |
module_init(vbox_init);
module_exit(vbox_exit);
MODULE_AUTHOR("Oracle Corporation");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans de Goede | 976 | 99.59% | 1 | 25.00% |
| Stephen Rothwell | 2 | 0.20% | 1 | 25.00% |
| Colin Ian King | 1 | 0.10% | 1 | 25.00% |
| Daniel Vetter | 1 | 0.10% | 1 | 25.00% |
| Total | 980 | 100.00% | 4 | 100.00% |
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