This source file includes following definitions.
- is_vga
- qxl_pci_probe
- qxl_pci_remove
- qxl_drm_freeze
- qxl_drm_resume
- qxl_pm_suspend
- qxl_pm_resume
- qxl_pm_thaw
- qxl_pm_freeze
- qxl_pm_restore
- qxl_init
- qxl_exit
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31 #include "qxl_drv.h"
32 #include <linux/console.h>
33 #include <linux/module.h>
34 #include <linux/pci.h>
35
36 #include <drm/drm.h>
37 #include <drm/drm_drv.h>
38 #include <drm/drm_file.h>
39 #include <drm/drm_modeset_helper.h>
40 #include <drm/drm_prime.h>
41 #include <drm/drm_probe_helper.h>
42
43 #include "qxl_object.h"
44
45 static const struct pci_device_id pciidlist[] = {
46 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8,
47 0xffff00, 0 },
48 { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8,
49 0xffff00, 0 },
50 { 0, 0, 0 },
51 };
52 MODULE_DEVICE_TABLE(pci, pciidlist);
53
54 static int qxl_modeset = -1;
55 int qxl_num_crtc = 4;
56
57 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
58 module_param_named(modeset, qxl_modeset, int, 0400);
59
60 MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)");
61 module_param_named(num_heads, qxl_num_crtc, int, 0400);
62
63 static struct drm_driver qxl_driver;
64 static struct pci_driver qxl_pci_driver;
65
66 static bool is_vga(struct pci_dev *pdev)
67 {
68 return pdev->class == PCI_CLASS_DISPLAY_VGA << 8;
69 }
70
71 static int
72 qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
73 {
74 struct qxl_device *qdev;
75 int ret;
76
77 if (pdev->revision < 4) {
78 DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
79 " use xf86-video-qxl in user mode");
80 return -EINVAL;
81 }
82
83 qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
84 if (!qdev)
85 return -ENOMEM;
86
87 ret = pci_enable_device(pdev);
88 if (ret)
89 goto free_dev;
90
91 ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "qxl");
92 if (ret)
93 goto disable_pci;
94
95 if (is_vga(pdev)) {
96 ret = vga_get_interruptible(pdev, VGA_RSRC_LEGACY_IO);
97 if (ret) {
98 DRM_ERROR("can't get legacy vga ioports\n");
99 goto disable_pci;
100 }
101 }
102
103 ret = qxl_device_init(qdev, &qxl_driver, pdev);
104 if (ret)
105 goto put_vga;
106
107 ret = qxl_modeset_init(qdev);
108 if (ret)
109 goto unload;
110
111 drm_kms_helper_poll_init(&qdev->ddev);
112
113
114 ret = drm_dev_register(&qdev->ddev, ent->driver_data);
115 if (ret)
116 goto modeset_cleanup;
117
118 drm_fbdev_generic_setup(&qdev->ddev, 32);
119 return 0;
120
121 modeset_cleanup:
122 qxl_modeset_fini(qdev);
123 unload:
124 qxl_device_fini(qdev);
125 put_vga:
126 if (is_vga(pdev))
127 vga_put(pdev, VGA_RSRC_LEGACY_IO);
128 disable_pci:
129 pci_disable_device(pdev);
130 free_dev:
131 kfree(qdev);
132 return ret;
133 }
134
135 static void
136 qxl_pci_remove(struct pci_dev *pdev)
137 {
138 struct drm_device *dev = pci_get_drvdata(pdev);
139 struct qxl_device *qdev = dev->dev_private;
140
141 drm_dev_unregister(dev);
142
143 qxl_modeset_fini(qdev);
144 qxl_device_fini(qdev);
145 if (is_vga(pdev))
146 vga_put(pdev, VGA_RSRC_LEGACY_IO);
147
148 dev->dev_private = NULL;
149 kfree(qdev);
150 drm_dev_put(dev);
151 }
152
153 static const struct file_operations qxl_fops = {
154 .owner = THIS_MODULE,
155 .open = drm_open,
156 .release = drm_release,
157 .unlocked_ioctl = drm_ioctl,
158 .poll = drm_poll,
159 .read = drm_read,
160 .mmap = qxl_mmap,
161 };
162
163 static int qxl_drm_freeze(struct drm_device *dev)
164 {
165 struct pci_dev *pdev = dev->pdev;
166 struct qxl_device *qdev = dev->dev_private;
167 int ret;
168
169 ret = drm_mode_config_helper_suspend(dev);
170 if (ret)
171 return ret;
172
173 qxl_destroy_monitors_object(qdev);
174 qxl_surf_evict(qdev);
175 qxl_vram_evict(qdev);
176
177 while (!qxl_check_idle(qdev->command_ring));
178 while (!qxl_check_idle(qdev->release_ring))
179 qxl_queue_garbage_collect(qdev, 1);
180
181 pci_save_state(pdev);
182
183 return 0;
184 }
185
186 static int qxl_drm_resume(struct drm_device *dev, bool thaw)
187 {
188 struct qxl_device *qdev = dev->dev_private;
189
190 qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
191 if (!thaw) {
192 qxl_reinit_memslots(qdev);
193 qxl_ring_init_hdr(qdev->release_ring);
194 }
195
196 qxl_create_monitors_object(qdev);
197 return drm_mode_config_helper_resume(dev);
198 }
199
200 static int qxl_pm_suspend(struct device *dev)
201 {
202 struct pci_dev *pdev = to_pci_dev(dev);
203 struct drm_device *drm_dev = pci_get_drvdata(pdev);
204 int error;
205
206 error = qxl_drm_freeze(drm_dev);
207 if (error)
208 return error;
209
210 pci_disable_device(pdev);
211 pci_set_power_state(pdev, PCI_D3hot);
212 return 0;
213 }
214
215 static int qxl_pm_resume(struct device *dev)
216 {
217 struct pci_dev *pdev = to_pci_dev(dev);
218 struct drm_device *drm_dev = pci_get_drvdata(pdev);
219
220 pci_set_power_state(pdev, PCI_D0);
221 pci_restore_state(pdev);
222 if (pci_enable_device(pdev)) {
223 return -EIO;
224 }
225
226 return qxl_drm_resume(drm_dev, false);
227 }
228
229 static int qxl_pm_thaw(struct device *dev)
230 {
231 struct drm_device *drm_dev = dev_get_drvdata(dev);
232
233 return qxl_drm_resume(drm_dev, true);
234 }
235
236 static int qxl_pm_freeze(struct device *dev)
237 {
238 struct drm_device *drm_dev = dev_get_drvdata(dev);
239
240 return qxl_drm_freeze(drm_dev);
241 }
242
243 static int qxl_pm_restore(struct device *dev)
244 {
245 struct pci_dev *pdev = to_pci_dev(dev);
246 struct drm_device *drm_dev = pci_get_drvdata(pdev);
247 struct qxl_device *qdev = drm_dev->dev_private;
248
249 qxl_io_reset(qdev);
250 return qxl_drm_resume(drm_dev, false);
251 }
252
253 static const struct dev_pm_ops qxl_pm_ops = {
254 .suspend = qxl_pm_suspend,
255 .resume = qxl_pm_resume,
256 .freeze = qxl_pm_freeze,
257 .thaw = qxl_pm_thaw,
258 .poweroff = qxl_pm_freeze,
259 .restore = qxl_pm_restore,
260 };
261 static struct pci_driver qxl_pci_driver = {
262 .name = DRIVER_NAME,
263 .id_table = pciidlist,
264 .probe = qxl_pci_probe,
265 .remove = qxl_pci_remove,
266 .driver.pm = &qxl_pm_ops,
267 };
268
269 static struct drm_driver qxl_driver = {
270 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
271
272 .dumb_create = qxl_mode_dumb_create,
273 .dumb_map_offset = qxl_mode_dumb_mmap,
274 #if defined(CONFIG_DEBUG_FS)
275 .debugfs_init = qxl_debugfs_init,
276 #endif
277 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
278 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
279 .gem_prime_pin = qxl_gem_prime_pin,
280 .gem_prime_unpin = qxl_gem_prime_unpin,
281 .gem_prime_get_sg_table = qxl_gem_prime_get_sg_table,
282 .gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
283 .gem_prime_vmap = qxl_gem_prime_vmap,
284 .gem_prime_vunmap = qxl_gem_prime_vunmap,
285 .gem_prime_mmap = qxl_gem_prime_mmap,
286 .gem_free_object_unlocked = qxl_gem_object_free,
287 .gem_open_object = qxl_gem_object_open,
288 .gem_close_object = qxl_gem_object_close,
289 .fops = &qxl_fops,
290 .ioctls = qxl_ioctls,
291 .irq_handler = qxl_irq_handler,
292 .name = DRIVER_NAME,
293 .desc = DRIVER_DESC,
294 .date = DRIVER_DATE,
295 .major = 0,
296 .minor = 1,
297 .patchlevel = 0,
298 };
299
300 static int __init qxl_init(void)
301 {
302 if (vgacon_text_force() && qxl_modeset == -1)
303 return -EINVAL;
304
305 if (qxl_modeset == 0)
306 return -EINVAL;
307 qxl_driver.num_ioctls = qxl_max_ioctls;
308 return pci_register_driver(&qxl_pci_driver);
309 }
310
311 static void __exit qxl_exit(void)
312 {
313 pci_unregister_driver(&qxl_pci_driver);
314 }
315
316 module_init(qxl_init);
317 module_exit(qxl_exit);
318
319 MODULE_AUTHOR(DRIVER_AUTHOR);
320 MODULE_DESCRIPTION(DRIVER_DESC);
321 MODULE_LICENSE("GPL and additional rights");