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// SPDX-License-Identifier: MIT
/*
* Copyright (C) 2013-2017 Oracle Corporation
* This file is based on ast_drv.c
* Copyright 2012 Red Hat Inc.
* Authors: Dave Airlie <airlied@redhat.com>
* Michael Thayer <michael.thayer@oracle.com,
* Hans de Goede <hdegoede@redhat.com>
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/vt_kern.h>
#include <drm/drm_aperture.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fbdev_generic.h>
#include <drm/drm_file.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper.h>
#include <drm/drm_module.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 const struct drm_driver driver;
static const struct pci_device_id pciidlist[] = {
{ PCI_DEVICE(0x80ee, 0xbeef) },
{ }
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct vbox_private *vbox;
int ret = 0;
if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))
return -ENODEV;
ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &driver);
if (ret)
return ret;
vbox = devm_drm_dev_alloc(&pdev->dev, &driver,
struct vbox_private, ddev);
if (IS_ERR(vbox))
return PTR_ERR(vbox);
pci_set_drvdata(pdev, vbox);
mutex_init(&vbox->hw_mutex);
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = vbox_hw_init(vbox);
if (ret)
return ret;
ret = vbox_mm_init(vbox);
if (ret)
goto err_hw_fini;
ret = vbox_mode_init(vbox);
if (ret)
goto err_hw_fini;
ret = vbox_irq_init(vbox);
if (ret)
goto err_mode_fini;
ret = drm_dev_register(&vbox->ddev, 0);
if (ret)
goto err_irq_fini;
drm_fbdev_generic_setup(&vbox->ddev, 32);
return 0;
err_irq_fini:
vbox_irq_fini(vbox);
err_mode_fini:
vbox_mode_fini(vbox);
err_hw_fini:
vbox_hw_fini(vbox);
return ret;
}
static void vbox_pci_remove(struct pci_dev *pdev)
{
struct vbox_private *vbox = pci_get_drvdata(pdev);
drm_dev_unregister(&vbox->ddev);
drm_atomic_helper_shutdown(&vbox->ddev);
vbox_irq_fini(vbox);
vbox_mode_fini(vbox);
vbox_hw_fini(vbox);
}
static void vbox_pci_shutdown(struct pci_dev *pdev)
{
struct vbox_private *vbox = pci_get_drvdata(pdev);
drm_atomic_helper_shutdown(&vbox->ddev);
}
static int vbox_pm_suspend(struct device *dev)
{
struct vbox_private *vbox = dev_get_drvdata(dev);
struct pci_dev *pdev = to_pci_dev(dev);
int error;
error = drm_mode_config_helper_suspend(&vbox->ddev);
if (error)
return error;
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
static int vbox_pm_resume(struct device *dev)
{
struct vbox_private *vbox = dev_get_drvdata(dev);
struct pci_dev *pdev = to_pci_dev(dev);
if (pci_enable_device(pdev))
return -EIO;
return drm_mode_config_helper_resume(&vbox->ddev);
}
static int vbox_pm_freeze(struct device *dev)
{
struct vbox_private *vbox = dev_get_drvdata(dev);
return drm_mode_config_helper_suspend(&vbox->ddev);
}
static int vbox_pm_thaw(struct device *dev)
{
struct vbox_private *vbox = dev_get_drvdata(dev);
return drm_mode_config_helper_resume(&vbox->ddev);
}
static int vbox_pm_poweroff(struct device *dev)
{
struct vbox_private *vbox = dev_get_drvdata(dev);
return drm_mode_config_helper_suspend(&vbox->ddev);
}
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,
.shutdown = vbox_pci_shutdown,
.driver.pm = pm_sleep_ptr(&vbox_pm_ops),
};
DEFINE_DRM_GEM_FOPS(vbox_fops);
static const struct drm_driver driver = {
.driver_features =
DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
.fops = &vbox_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
DRM_GEM_VRAM_DRIVER,
};
drm_module_pci_driver_if_modeset(vbox_pci_driver, vbox_modeset);
MODULE_AUTHOR("Oracle Corporation");
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
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