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1// SPDX-License-Identifier: MIT
2/*
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>
9 */
10#include <linux/console.h>
11#include <linux/module.h>
12#include <linux/pci.h>
13#include <linux/vt_kern.h>
14
15#include <drm/drm_crtc_helper.h>
16#include <drm/drm_drv.h>
17#include <drm/drm_fb_helper.h>
18#include <drm/drm_file.h>
19#include <drm/drm_ioctl.h>
20#include <drm/drm_managed.h>
21
22#include "vbox_drv.h"
23
24static int vbox_modeset = -1;
25
26MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
27module_param_named(modeset, vbox_modeset, int, 0400);
28
29static struct drm_driver driver;
30
31static const struct pci_device_id pciidlist[] = {
32 { PCI_DEVICE(0x80ee, 0xbeef) },
33 { }
34};
35MODULE_DEVICE_TABLE(pci, pciidlist);
36
37static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
38{
39 struct vbox_private *vbox;
40 int ret = 0;
41
42 if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))
43 return -ENODEV;
44
45 ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "vboxvideodrmfb");
46 if (ret)
47 return ret;
48
49 vbox = devm_drm_dev_alloc(&pdev->dev, &driver,
50 struct vbox_private, ddev);
51 if (IS_ERR(vbox))
52 return PTR_ERR(vbox);
53
54 vbox->ddev.pdev = pdev;
55 pci_set_drvdata(pdev, vbox);
56 mutex_init(&vbox->hw_mutex);
57
58 ret = pcim_enable_device(pdev);
59 if (ret)
60 return ret;
61
62 ret = vbox_hw_init(vbox);
63 if (ret)
64 return ret;
65
66 ret = vbox_mm_init(vbox);
67 if (ret)
68 goto err_hw_fini;
69
70 ret = vbox_mode_init(vbox);
71 if (ret)
72 goto err_mm_fini;
73
74 ret = vbox_irq_init(vbox);
75 if (ret)
76 goto err_mode_fini;
77
78 ret = drm_dev_register(&vbox->ddev, 0);
79 if (ret)
80 goto err_irq_fini;
81
82 drm_fbdev_generic_setup(&vbox->ddev, 32);
83
84 return 0;
85
86err_irq_fini:
87 vbox_irq_fini(vbox);
88err_mode_fini:
89 vbox_mode_fini(vbox);
90err_mm_fini:
91 vbox_mm_fini(vbox);
92err_hw_fini:
93 vbox_hw_fini(vbox);
94 return ret;
95}
96
97static void vbox_pci_remove(struct pci_dev *pdev)
98{
99 struct vbox_private *vbox = pci_get_drvdata(pdev);
100
101 drm_dev_unregister(&vbox->ddev);
102 vbox_irq_fini(vbox);
103 vbox_mode_fini(vbox);
104 vbox_mm_fini(vbox);
105 vbox_hw_fini(vbox);
106}
107
108#ifdef CONFIG_PM_SLEEP
109static int vbox_pm_suspend(struct device *dev)
110{
111 struct vbox_private *vbox = dev_get_drvdata(dev);
112 int error;
113
114 error = drm_mode_config_helper_suspend(&vbox->ddev);
115 if (error)
116 return error;
117
118 pci_save_state(vbox->ddev.pdev);
119 pci_disable_device(vbox->ddev.pdev);
120 pci_set_power_state(vbox->ddev.pdev, PCI_D3hot);
121
122 return 0;
123}
124
125static int vbox_pm_resume(struct device *dev)
126{
127 struct vbox_private *vbox = dev_get_drvdata(dev);
128
129 if (pci_enable_device(vbox->ddev.pdev))
130 return -EIO;
131
132 return drm_mode_config_helper_resume(&vbox->ddev);
133}
134
135static int vbox_pm_freeze(struct device *dev)
136{
137 struct vbox_private *vbox = dev_get_drvdata(dev);
138
139 return drm_mode_config_helper_suspend(&vbox->ddev);
140}
141
142static int vbox_pm_thaw(struct device *dev)
143{
144 struct vbox_private *vbox = dev_get_drvdata(dev);
145
146 return drm_mode_config_helper_resume(&vbox->ddev);
147}
148
149static int vbox_pm_poweroff(struct device *dev)
150{
151 struct vbox_private *vbox = dev_get_drvdata(dev);
152
153 return drm_mode_config_helper_suspend(&vbox->ddev);
154}
155
156static const struct dev_pm_ops vbox_pm_ops = {
157 .suspend = vbox_pm_suspend,
158 .resume = vbox_pm_resume,
159 .freeze = vbox_pm_freeze,
160 .thaw = vbox_pm_thaw,
161 .poweroff = vbox_pm_poweroff,
162 .restore = vbox_pm_resume,
163};
164#endif
165
166static struct pci_driver vbox_pci_driver = {
167 .name = DRIVER_NAME,
168 .id_table = pciidlist,
169 .probe = vbox_pci_probe,
170 .remove = vbox_pci_remove,
171#ifdef CONFIG_PM_SLEEP
172 .driver.pm = &vbox_pm_ops,
173#endif
174};
175
176DEFINE_DRM_GEM_FOPS(vbox_fops);
177
178static struct drm_driver driver = {
179 .driver_features =
180 DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
181
182 .lastclose = drm_fb_helper_lastclose,
183
184 .fops = &vbox_fops,
185 .irq_handler = vbox_irq_handler,
186 .name = DRIVER_NAME,
187 .desc = DRIVER_DESC,
188 .date = DRIVER_DATE,
189 .major = DRIVER_MAJOR,
190 .minor = DRIVER_MINOR,
191 .patchlevel = DRIVER_PATCHLEVEL,
192
193 DRM_GEM_VRAM_DRIVER,
194};
195
196static int __init vbox_init(void)
197{
198#ifdef CONFIG_VGA_CONSOLE
199 if (vgacon_text_force() && vbox_modeset == -1)
200 return -EINVAL;
201#endif
202
203 if (vbox_modeset == 0)
204 return -EINVAL;
205
206 return pci_register_driver(&vbox_pci_driver);
207}
208
209static void __exit vbox_exit(void)
210{
211 pci_unregister_driver(&vbox_pci_driver);
212}
213
214module_init(vbox_init);
215module_exit(vbox_exit);
216
217MODULE_AUTHOR("Oracle Corporation");
218MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
219MODULE_DESCRIPTION(DRIVER_DESC);
220MODULE_LICENSE("GPL and additional rights");
1// SPDX-License-Identifier: MIT
2/*
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>
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_crtc_helper.h>
16#include <drm/drm_drv.h>
17#include <drm/drm_fbdev_generic.h>
18#include <drm/drm_file.h>
19#include <drm/drm_ioctl.h>
20#include <drm/drm_managed.h>
21#include <drm/drm_module.h>
22
23#include "vbox_drv.h"
24
25static int vbox_modeset = -1;
26
27MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
28module_param_named(modeset, vbox_modeset, int, 0400);
29
30static const struct drm_driver driver;
31
32static const struct pci_device_id pciidlist[] = {
33 { PCI_DEVICE(0x80ee, 0xbeef) },
34 { }
35};
36MODULE_DEVICE_TABLE(pci, pciidlist);
37
38static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
39{
40 struct vbox_private *vbox;
41 int ret = 0;
42
43 if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))
44 return -ENODEV;
45
46 ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &driver);
47 if (ret)
48 return ret;
49
50 vbox = devm_drm_dev_alloc(&pdev->dev, &driver,
51 struct vbox_private, ddev);
52 if (IS_ERR(vbox))
53 return PTR_ERR(vbox);
54
55 pci_set_drvdata(pdev, vbox);
56 mutex_init(&vbox->hw_mutex);
57
58 ret = pcim_enable_device(pdev);
59 if (ret)
60 return ret;
61
62 ret = vbox_hw_init(vbox);
63 if (ret)
64 return ret;
65
66 ret = vbox_mm_init(vbox);
67 if (ret)
68 goto err_hw_fini;
69
70 ret = vbox_mode_init(vbox);
71 if (ret)
72 goto err_hw_fini;
73
74 ret = vbox_irq_init(vbox);
75 if (ret)
76 goto err_mode_fini;
77
78 ret = drm_dev_register(&vbox->ddev, 0);
79 if (ret)
80 goto err_irq_fini;
81
82 drm_fbdev_generic_setup(&vbox->ddev, 32);
83
84 return 0;
85
86err_irq_fini:
87 vbox_irq_fini(vbox);
88err_mode_fini:
89 vbox_mode_fini(vbox);
90err_hw_fini:
91 vbox_hw_fini(vbox);
92 return ret;
93}
94
95static void vbox_pci_remove(struct pci_dev *pdev)
96{
97 struct vbox_private *vbox = pci_get_drvdata(pdev);
98
99 drm_dev_unregister(&vbox->ddev);
100 vbox_irq_fini(vbox);
101 vbox_mode_fini(vbox);
102 vbox_hw_fini(vbox);
103}
104
105#ifdef CONFIG_PM_SLEEP
106static int vbox_pm_suspend(struct device *dev)
107{
108 struct vbox_private *vbox = dev_get_drvdata(dev);
109 struct pci_dev *pdev = to_pci_dev(dev);
110 int error;
111
112 error = drm_mode_config_helper_suspend(&vbox->ddev);
113 if (error)
114 return error;
115
116 pci_save_state(pdev);
117 pci_disable_device(pdev);
118 pci_set_power_state(pdev, PCI_D3hot);
119
120 return 0;
121}
122
123static int vbox_pm_resume(struct device *dev)
124{
125 struct vbox_private *vbox = dev_get_drvdata(dev);
126 struct pci_dev *pdev = to_pci_dev(dev);
127
128 if (pci_enable_device(pdev))
129 return -EIO;
130
131 return drm_mode_config_helper_resume(&vbox->ddev);
132}
133
134static int vbox_pm_freeze(struct device *dev)
135{
136 struct vbox_private *vbox = dev_get_drvdata(dev);
137
138 return drm_mode_config_helper_suspend(&vbox->ddev);
139}
140
141static int vbox_pm_thaw(struct device *dev)
142{
143 struct vbox_private *vbox = dev_get_drvdata(dev);
144
145 return drm_mode_config_helper_resume(&vbox->ddev);
146}
147
148static int vbox_pm_poweroff(struct device *dev)
149{
150 struct vbox_private *vbox = dev_get_drvdata(dev);
151
152 return drm_mode_config_helper_suspend(&vbox->ddev);
153}
154
155static const struct dev_pm_ops vbox_pm_ops = {
156 .suspend = vbox_pm_suspend,
157 .resume = vbox_pm_resume,
158 .freeze = vbox_pm_freeze,
159 .thaw = vbox_pm_thaw,
160 .poweroff = vbox_pm_poweroff,
161 .restore = vbox_pm_resume,
162};
163#endif
164
165static struct pci_driver vbox_pci_driver = {
166 .name = DRIVER_NAME,
167 .id_table = pciidlist,
168 .probe = vbox_pci_probe,
169 .remove = vbox_pci_remove,
170#ifdef CONFIG_PM_SLEEP
171 .driver.pm = &vbox_pm_ops,
172#endif
173};
174
175DEFINE_DRM_GEM_FOPS(vbox_fops);
176
177static const struct drm_driver driver = {
178 .driver_features =
179 DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
180
181 .fops = &vbox_fops,
182 .name = DRIVER_NAME,
183 .desc = DRIVER_DESC,
184 .date = DRIVER_DATE,
185 .major = DRIVER_MAJOR,
186 .minor = DRIVER_MINOR,
187 .patchlevel = DRIVER_PATCHLEVEL,
188
189 DRM_GEM_VRAM_DRIVER,
190};
191
192drm_module_pci_driver_if_modeset(vbox_pci_driver, vbox_modeset);
193
194MODULE_AUTHOR("Oracle Corporation");
195MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
196MODULE_DESCRIPTION(DRIVER_DESC);
197MODULE_LICENSE("GPL and additional rights");