1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
// 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/console.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/vt_kern.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
#include <drm/drm_ioctl.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 struct drm_driver driver;
static const struct pci_device_id pciidlist[] = {
{ PCI_DEVICE(0x80ee, 0xbeef) },
{ }
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static struct drm_fb_helper_funcs vbox_fb_helper_funcs = {
.fb_probe = vboxfb_create,
};
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;
vbox = kzalloc(sizeof(*vbox), GFP_KERNEL);
if (!vbox)
return -ENOMEM;
ret = drm_dev_init(&vbox->ddev, &driver, &pdev->dev);
if (ret) {
kfree(vbox);
return ret;
}
vbox->ddev.pdev = pdev;
vbox->ddev.dev_private = vbox;
pci_set_drvdata(pdev, vbox);
mutex_init(&vbox->hw_mutex);
ret = pci_enable_device(pdev);
if (ret)
goto err_dev_put;
ret = vbox_hw_init(vbox);
if (ret)
goto err_pci_disable;
ret = vbox_mm_init(vbox);
if (ret)
goto err_hw_fini;
ret = vbox_mode_init(vbox);
if (ret)
goto err_mm_fini;
ret = vbox_irq_init(vbox);
if (ret)
goto err_mode_fini;
ret = drm_fb_helper_fbdev_setup(&vbox->ddev, &vbox->fb_helper,
&vbox_fb_helper_funcs, 32,
vbox->num_crtcs);
if (ret)
goto err_irq_fini;
ret = drm_dev_register(&vbox->ddev, 0);
if (ret)
goto err_fbdev_fini;
return 0;
err_fbdev_fini:
vbox_fbdev_fini(vbox);
err_irq_fini:
vbox_irq_fini(vbox);
err_mode_fini:
vbox_mode_fini(vbox);
err_mm_fini:
vbox_mm_fini(vbox);
err_hw_fini:
vbox_hw_fini(vbox);
err_pci_disable:
pci_disable_device(pdev);
err_dev_put:
drm_dev_put(&vbox->ddev);
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_fbdev_fini(vbox);
vbox_irq_fini(vbox);
vbox_mode_fini(vbox);
vbox_mm_fini(vbox);
vbox_hw_fini(vbox);
drm_dev_put(&vbox->ddev);
}
#ifdef CONFIG_PM_SLEEP
static int vbox_pm_suspend(struct device *dev)
{
struct vbox_private *vbox = dev_get_drvdata(dev);
int error;
error = drm_mode_config_helper_suspend(&vbox->ddev);
if (error)
return error;
pci_save_state(vbox->ddev.pdev);
pci_disable_device(vbox->ddev.pdev);
pci_set_power_state(vbox->ddev.pdev, PCI_D3hot);
return 0;
}
static int vbox_pm_resume(struct device *dev)
{
struct vbox_private *vbox = dev_get_drvdata(dev);
if (pci_enable_device(vbox->ddev.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
};
static const struct file_operations vbox_fops = {
.owner = THIS_MODULE,
DRM_VRAM_MM_FILE_OPERATIONS
};
static struct drm_driver driver = {
.driver_features =
DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
.lastclose = drm_fb_helper_lastclose,
.fops = &vbox_fops,
.irq_handler = vbox_irq_handler,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
DRM_GEM_VRAM_DRIVER,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
.gem_prime_pin = vbox_gem_prime_pin,
.gem_prime_unpin = vbox_gem_prime_unpin,
.gem_prime_get_sg_table = vbox_gem_prime_get_sg_table,
.gem_prime_import_sg_table = vbox_gem_prime_import_sg_table,
.gem_prime_vmap = vbox_gem_prime_vmap,
.gem_prime_vunmap = vbox_gem_prime_vunmap,
.gem_prime_mmap = vbox_gem_prime_mmap,
};
static int __init vbox_init(void)
{
#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force() && vbox_modeset == -1)
return -EINVAL;
#endif
if (vbox_modeset == 0)
return -EINVAL;
return pci_register_driver(&vbox_pci_driver);
}
static void __exit vbox_exit(void)
{
pci_unregister_driver(&vbox_pci_driver);
}
module_init(vbox_init);
module_exit(vbox_exit);
MODULE_AUTHOR("Oracle Corporation");
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
|
