194 lines
4.1 KiB
C
194 lines
4.1 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright (C) 2013-2017 Oracle Corporation
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* This file is based on ast_drv.c
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* Copyright 2012 Red Hat Inc.
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* Authors: Dave Airlie <airlied@redhat.com>
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* Michael Thayer <michael.thayer@oracle.com,
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* Hans de Goede <hdegoede@redhat.com>
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*/
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/vt_kern.h>
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#include <drm/drm_aperture.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_fbdev_generic.h>
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#include <drm/drm_file.h>
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#include <drm/drm_ioctl.h>
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#include <drm/drm_managed.h>
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#include <drm/drm_modeset_helper.h>
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#include <drm/drm_module.h>
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#include "vbox_drv.h"
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static int vbox_modeset = -1;
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MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
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module_param_named(modeset, vbox_modeset, int, 0400);
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static const struct drm_driver driver;
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static const struct pci_device_id pciidlist[] = {
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{ PCI_DEVICE(0x80ee, 0xbeef) },
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{ }
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};
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MODULE_DEVICE_TABLE(pci, pciidlist);
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static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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{
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struct vbox_private *vbox;
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int ret = 0;
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if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))
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return -ENODEV;
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ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &driver);
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if (ret)
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return ret;
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vbox = devm_drm_dev_alloc(&pdev->dev, &driver,
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struct vbox_private, ddev);
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if (IS_ERR(vbox))
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return PTR_ERR(vbox);
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pci_set_drvdata(pdev, vbox);
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mutex_init(&vbox->hw_mutex);
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ret = pcim_enable_device(pdev);
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if (ret)
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return ret;
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ret = vbox_hw_init(vbox);
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if (ret)
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return ret;
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ret = vbox_mm_init(vbox);
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if (ret)
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goto err_hw_fini;
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ret = vbox_mode_init(vbox);
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if (ret)
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goto err_hw_fini;
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ret = vbox_irq_init(vbox);
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if (ret)
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goto err_mode_fini;
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ret = drm_dev_register(&vbox->ddev, 0);
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if (ret)
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goto err_irq_fini;
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drm_fbdev_generic_setup(&vbox->ddev, 32);
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return 0;
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err_irq_fini:
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vbox_irq_fini(vbox);
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err_mode_fini:
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vbox_mode_fini(vbox);
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err_hw_fini:
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vbox_hw_fini(vbox);
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return ret;
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}
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static void vbox_pci_remove(struct pci_dev *pdev)
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{
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struct vbox_private *vbox = pci_get_drvdata(pdev);
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drm_dev_unregister(&vbox->ddev);
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vbox_irq_fini(vbox);
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vbox_mode_fini(vbox);
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vbox_hw_fini(vbox);
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}
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static int vbox_pm_suspend(struct device *dev)
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{
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struct vbox_private *vbox = dev_get_drvdata(dev);
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struct pci_dev *pdev = to_pci_dev(dev);
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int error;
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error = drm_mode_config_helper_suspend(&vbox->ddev);
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if (error)
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return error;
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pci_save_state(pdev);
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pci_disable_device(pdev);
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pci_set_power_state(pdev, PCI_D3hot);
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return 0;
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}
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static int vbox_pm_resume(struct device *dev)
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{
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struct vbox_private *vbox = dev_get_drvdata(dev);
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struct pci_dev *pdev = to_pci_dev(dev);
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if (pci_enable_device(pdev))
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return -EIO;
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return drm_mode_config_helper_resume(&vbox->ddev);
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}
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static int vbox_pm_freeze(struct device *dev)
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{
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struct vbox_private *vbox = dev_get_drvdata(dev);
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return drm_mode_config_helper_suspend(&vbox->ddev);
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}
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static int vbox_pm_thaw(struct device *dev)
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{
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struct vbox_private *vbox = dev_get_drvdata(dev);
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return drm_mode_config_helper_resume(&vbox->ddev);
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}
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static int vbox_pm_poweroff(struct device *dev)
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{
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struct vbox_private *vbox = dev_get_drvdata(dev);
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return drm_mode_config_helper_suspend(&vbox->ddev);
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}
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static const struct dev_pm_ops vbox_pm_ops = {
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.suspend = vbox_pm_suspend,
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.resume = vbox_pm_resume,
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.freeze = vbox_pm_freeze,
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.thaw = vbox_pm_thaw,
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.poweroff = vbox_pm_poweroff,
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.restore = vbox_pm_resume,
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};
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static struct pci_driver vbox_pci_driver = {
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.name = DRIVER_NAME,
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.id_table = pciidlist,
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.probe = vbox_pci_probe,
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.remove = vbox_pci_remove,
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.driver.pm = pm_sleep_ptr(&vbox_pm_ops),
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};
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DEFINE_DRM_GEM_FOPS(vbox_fops);
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static const struct drm_driver driver = {
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.driver_features =
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DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
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.fops = &vbox_fops,
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.name = DRIVER_NAME,
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.desc = DRIVER_DESC,
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.date = DRIVER_DATE,
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.major = DRIVER_MAJOR,
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.minor = DRIVER_MINOR,
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.patchlevel = DRIVER_PATCHLEVEL,
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DRM_GEM_VRAM_DRIVER,
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};
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drm_module_pci_driver_if_modeset(vbox_pci_driver, vbox_modeset);
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MODULE_AUTHOR("Oracle Corporation");
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MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL and additional rights");
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