1 // SPDX-License-Identifier: MIT
3 * Copyright (C) 2013-2017 Oracle Corporation
4 * This file is based on ast_drv.c
5 * Copyright 2012 Red Hat Inc.
6 * Authors: Dave Airlie <airlied@redhat.com>
7 * Michael Thayer <michael.thayer@oracle.com,
8 * Hans de Goede <hdegoede@redhat.com>
10 #include <linux/console.h>
11 #include <linux/module.h>
12 #include <linux/pci.h>
13 #include <linux/vt_kern.h>
15 #include <drm/drm_crtc_helper.h>
16 #include <drm/drm_drv.h>
17 #include <drm/drm_file.h>
18 #include <drm/drm_ioctl.h>
22 static int vbox_modeset = -1;
24 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
25 module_param_named(modeset, vbox_modeset, int, 0400);
27 static struct drm_driver driver;
29 static const struct pci_device_id pciidlist[] = {
30 { PCI_DEVICE(0x80ee, 0xbeef) },
33 MODULE_DEVICE_TABLE(pci, pciidlist);
35 static struct drm_fb_helper_funcs vbox_fb_helper_funcs = {
36 .fb_probe = vboxfb_create,
39 static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
41 struct vbox_private *vbox;
44 if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))
47 vbox = kzalloc(sizeof(*vbox), GFP_KERNEL);
51 ret = drm_dev_init(&vbox->ddev, &driver, &pdev->dev);
57 vbox->ddev.pdev = pdev;
58 vbox->ddev.dev_private = vbox;
59 pci_set_drvdata(pdev, vbox);
60 mutex_init(&vbox->hw_mutex);
62 ret = pci_enable_device(pdev);
66 ret = vbox_hw_init(vbox);
70 ret = vbox_mm_init(vbox);
74 ret = vbox_mode_init(vbox);
78 ret = vbox_irq_init(vbox);
82 ret = drm_fb_helper_fbdev_setup(&vbox->ddev, &vbox->fb_helper,
83 &vbox_fb_helper_funcs, 32,
88 ret = drm_dev_register(&vbox->ddev, 0);
95 vbox_fbdev_fini(vbox);
105 pci_disable_device(pdev);
107 drm_dev_put(&vbox->ddev);
111 static void vbox_pci_remove(struct pci_dev *pdev)
113 struct vbox_private *vbox = pci_get_drvdata(pdev);
115 drm_dev_unregister(&vbox->ddev);
116 vbox_fbdev_fini(vbox);
118 vbox_mode_fini(vbox);
121 drm_dev_put(&vbox->ddev);
124 #ifdef CONFIG_PM_SLEEP
125 static int vbox_pm_suspend(struct device *dev)
127 struct vbox_private *vbox = dev_get_drvdata(dev);
130 error = drm_mode_config_helper_suspend(&vbox->ddev);
134 pci_save_state(vbox->ddev.pdev);
135 pci_disable_device(vbox->ddev.pdev);
136 pci_set_power_state(vbox->ddev.pdev, PCI_D3hot);
141 static int vbox_pm_resume(struct device *dev)
143 struct vbox_private *vbox = dev_get_drvdata(dev);
145 if (pci_enable_device(vbox->ddev.pdev))
148 return drm_mode_config_helper_resume(&vbox->ddev);
151 static int vbox_pm_freeze(struct device *dev)
153 struct vbox_private *vbox = dev_get_drvdata(dev);
155 return drm_mode_config_helper_suspend(&vbox->ddev);
158 static int vbox_pm_thaw(struct device *dev)
160 struct vbox_private *vbox = dev_get_drvdata(dev);
162 return drm_mode_config_helper_resume(&vbox->ddev);
165 static int vbox_pm_poweroff(struct device *dev)
167 struct vbox_private *vbox = dev_get_drvdata(dev);
169 return drm_mode_config_helper_suspend(&vbox->ddev);
172 static const struct dev_pm_ops vbox_pm_ops = {
173 .suspend = vbox_pm_suspend,
174 .resume = vbox_pm_resume,
175 .freeze = vbox_pm_freeze,
176 .thaw = vbox_pm_thaw,
177 .poweroff = vbox_pm_poweroff,
178 .restore = vbox_pm_resume,
182 static struct pci_driver vbox_pci_driver = {
184 .id_table = pciidlist,
185 .probe = vbox_pci_probe,
186 .remove = vbox_pci_remove,
187 #ifdef CONFIG_PM_SLEEP
188 .driver.pm = &vbox_pm_ops,
192 static const struct file_operations vbox_fops = {
193 .owner = THIS_MODULE,
194 DRM_VRAM_MM_FILE_OPERATIONS
197 static struct drm_driver driver = {
199 DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC,
201 .lastclose = drm_fb_helper_lastclose,
204 .irq_handler = vbox_irq_handler,
208 .major = DRIVER_MAJOR,
209 .minor = DRIVER_MINOR,
210 .patchlevel = DRIVER_PATCHLEVEL,
213 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
214 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
215 .gem_prime_export = drm_gem_prime_export,
216 .gem_prime_import = drm_gem_prime_import,
217 .gem_prime_pin = vbox_gem_prime_pin,
218 .gem_prime_unpin = vbox_gem_prime_unpin,
219 .gem_prime_get_sg_table = vbox_gem_prime_get_sg_table,
220 .gem_prime_import_sg_table = vbox_gem_prime_import_sg_table,
221 .gem_prime_vmap = vbox_gem_prime_vmap,
222 .gem_prime_vunmap = vbox_gem_prime_vunmap,
223 .gem_prime_mmap = vbox_gem_prime_mmap,
226 static int __init vbox_init(void)
228 #ifdef CONFIG_VGA_CONSOLE
229 if (vgacon_text_force() && vbox_modeset == -1)
233 if (vbox_modeset == 0)
236 return pci_register_driver(&vbox_pci_driver);
239 static void __exit vbox_exit(void)
241 pci_unregister_driver(&vbox_pci_driver);
244 module_init(vbox_init);
245 module_exit(vbox_exit);
247 MODULE_AUTHOR("Oracle Corporation");
248 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
249 MODULE_DESCRIPTION(DRIVER_DESC);
250 MODULE_LICENSE("GPL and additional rights");