diff options
Diffstat (limited to 'drivers/gpu/drm/vboxvideo/vbox_drv.c')
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_drv.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c new file mode 100644 index 000000000..f4f2bd79a --- /dev/null +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c @@ -0,0 +1,199 @@ +// 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_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 <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); + vbox_irq_fini(vbox); + vbox_mode_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); + 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, +}; +#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 const struct drm_driver driver = { + .driver_features = + DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC, + + .lastclose = drm_fb_helper_lastclose, + + .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"); |