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1// SPDX-License-Identifier: MIT2/*3 * Copyright (C) 2013-2017 Oracle Corporation4 * This file is based on ast_drv.c5 * 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>9 */10#include <linux/module.h>11#include <linux/pci.h>12#include <linux/vt_kern.h>13 14#include <drm/drm_aperture.h>15#include <drm/drm_atomic_helper.h>16#include <drm/drm_drv.h>17#include <drm/drm_fbdev_ttm.h>18#include <drm/drm_file.h>19#include <drm/drm_ioctl.h>20#include <drm/drm_managed.h>21#include <drm/drm_modeset_helper.h>22#include <drm/drm_module.h>23 24#include "vbox_drv.h"25 26static int vbox_modeset = -1;27 28MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");29module_param_named(modeset, vbox_modeset, int, 0400);30 31static const struct drm_driver driver;32 33static const struct pci_device_id pciidlist[] = {34 { PCI_DEVICE(0x80ee, 0xbeef) },35 { }36};37MODULE_DEVICE_TABLE(pci, pciidlist);38 39static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)40{41 struct vbox_private *vbox;42 int ret = 0;43 44 if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))45 return -ENODEV;46 47 ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &driver);48 if (ret)49 return ret;50 51 vbox = devm_drm_dev_alloc(&pdev->dev, &driver,52 struct vbox_private, ddev);53 if (IS_ERR(vbox))54 return PTR_ERR(vbox);55 56 pci_set_drvdata(pdev, vbox);57 mutex_init(&vbox->hw_mutex);58 59 ret = pcim_enable_device(pdev);60 if (ret)61 return ret;62 63 ret = vbox_hw_init(vbox);64 if (ret)65 return ret;66 67 ret = vbox_mm_init(vbox);68 if (ret)69 goto err_hw_fini;70 71 ret = vbox_mode_init(vbox);72 if (ret)73 goto err_hw_fini;74 75 ret = vbox_irq_init(vbox);76 if (ret)77 goto err_mode_fini;78 79 ret = drm_dev_register(&vbox->ddev, 0);80 if (ret)81 goto err_irq_fini;82 83 drm_fbdev_ttm_setup(&vbox->ddev, 32);84 85 return 0;86 87err_irq_fini:88 vbox_irq_fini(vbox);89err_mode_fini:90 vbox_mode_fini(vbox);91err_hw_fini:92 vbox_hw_fini(vbox);93 return ret;94}95 96static void vbox_pci_remove(struct pci_dev *pdev)97{98 struct vbox_private *vbox = pci_get_drvdata(pdev);99 100 drm_dev_unregister(&vbox->ddev);101 drm_atomic_helper_shutdown(&vbox->ddev);102 vbox_irq_fini(vbox);103 vbox_mode_fini(vbox);104 vbox_hw_fini(vbox);105}106 107static void vbox_pci_shutdown(struct pci_dev *pdev)108{109 struct vbox_private *vbox = pci_get_drvdata(pdev);110 111 drm_atomic_helper_shutdown(&vbox->ddev);112}113 114static int vbox_pm_suspend(struct device *dev)115{116 struct vbox_private *vbox = dev_get_drvdata(dev);117 struct pci_dev *pdev = to_pci_dev(dev);118 int error;119 120 error = drm_mode_config_helper_suspend(&vbox->ddev);121 if (error)122 return error;123 124 pci_save_state(pdev);125 pci_disable_device(pdev);126 pci_set_power_state(pdev, PCI_D3hot);127 128 return 0;129}130 131static int vbox_pm_resume(struct device *dev)132{133 struct vbox_private *vbox = dev_get_drvdata(dev);134 struct pci_dev *pdev = to_pci_dev(dev);135 136 if (pci_enable_device(pdev))137 return -EIO;138 139 return drm_mode_config_helper_resume(&vbox->ddev);140}141 142static int vbox_pm_freeze(struct device *dev)143{144 struct vbox_private *vbox = dev_get_drvdata(dev);145 146 return drm_mode_config_helper_suspend(&vbox->ddev);147}148 149static int vbox_pm_thaw(struct device *dev)150{151 struct vbox_private *vbox = dev_get_drvdata(dev);152 153 return drm_mode_config_helper_resume(&vbox->ddev);154}155 156static int vbox_pm_poweroff(struct device *dev)157{158 struct vbox_private *vbox = dev_get_drvdata(dev);159 160 return drm_mode_config_helper_suspend(&vbox->ddev);161}162 163static const struct dev_pm_ops vbox_pm_ops = {164 .suspend = vbox_pm_suspend,165 .resume = vbox_pm_resume,166 .freeze = vbox_pm_freeze,167 .thaw = vbox_pm_thaw,168 .poweroff = vbox_pm_poweroff,169 .restore = vbox_pm_resume,170};171 172static struct pci_driver vbox_pci_driver = {173 .name = DRIVER_NAME,174 .id_table = pciidlist,175 .probe = vbox_pci_probe,176 .remove = vbox_pci_remove,177 .shutdown = vbox_pci_shutdown,178 .driver.pm = pm_sleep_ptr(&vbox_pm_ops),179};180 181DEFINE_DRM_GEM_FOPS(vbox_fops);182 183static const struct drm_driver driver = {184 .driver_features =185 DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC | DRIVER_CURSOR_HOTSPOT,186 187 .fops = &vbox_fops,188 .name = DRIVER_NAME,189 .desc = DRIVER_DESC,190 .date = DRIVER_DATE,191 .major = DRIVER_MAJOR,192 .minor = DRIVER_MINOR,193 .patchlevel = DRIVER_PATCHLEVEL,194 195 DRM_GEM_VRAM_DRIVER,196};197 198drm_module_pci_driver_if_modeset(vbox_pci_driver, vbox_modeset);199 200MODULE_AUTHOR("Oracle Corporation");201MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");202MODULE_DESCRIPTION(DRIVER_DESC);203MODULE_LICENSE("GPL and additional rights");204