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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/console.h>
- #include <linux/module.h>
- #include <linux/pci.h>
- #include <linux/vt_kern.h>
- #include <drm/drm_crtc_helper.h>
- #include <drm/drm_drv.h>
- #include <drm/drm_fb_helper.h>
- #include <drm/drm_file.h>
- #include <drm/drm_ioctl.h>
- #include <drm/drm_managed.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[] = {
- { 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_fb_helper_remove_conflicting_pci_framebuffers(pdev, "vboxvideodrmfb");
- if (ret)
- return ret;
- vbox = devm_drm_dev_alloc(&pdev->dev, &driver,
- struct vbox_private, ddev);
- if (IS_ERR(vbox))
- return PTR_ERR(vbox);
- vbox->ddev.pdev = pdev;
- 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_mm_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_mm_fini:
- vbox_mm_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);
- vbox_irq_fini(vbox);
- vbox_mode_fini(vbox);
- vbox_mm_fini(vbox);
- vbox_hw_fini(vbox);
- }
- #ifdef CONFIG_PM_SLEEP
- static int vbox_pm_suspend(struct device *dev)
- {
- struct vbox_private *vbox = dev_get_drvdata(dev);
- int error;
- error = drm_mode_config_helper_suspend(&vbox->ddev);
- if (error)
- return error;
- pci_save_state(vbox->ddev.pdev);
- pci_disable_device(vbox->ddev.pdev);
- pci_set_power_state(vbox->ddev.pdev, PCI_D3hot);
- return 0;
- }
- static int vbox_pm_resume(struct device *dev)
- {
- struct vbox_private *vbox = dev_get_drvdata(dev);
- if (pci_enable_device(vbox->ddev.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,
- };
- #endif
- static struct pci_driver vbox_pci_driver = {
- .name = DRIVER_NAME,
- .id_table = pciidlist,
- .probe = vbox_pci_probe,
- .remove = vbox_pci_remove,
- #ifdef CONFIG_PM_SLEEP
- .driver.pm = &vbox_pm_ops,
- #endif
- };
- DEFINE_DRM_GEM_FOPS(vbox_fops);
- static struct drm_driver driver = {
- .driver_features =
- DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
- .lastclose = drm_fb_helper_lastclose,
- .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,
- DRM_GEM_VRAM_DRIVER,
- };
- 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);
- }
- static void __exit vbox_exit(void)
- {
- pci_unregister_driver(&vbox_pci_driver);
- }
- module_init(vbox_init);
- module_exit(vbox_exit);
- 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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