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14#include <drm/drmP.h>
15#include <drm/drm_crtc_helper.h>
16
17#include <linux/anon_inodes.h>
18
19#include <drm/exynos_drm.h>
20
21#include "exynos_drm_drv.h"
22#include "exynos_drm_crtc.h"
23#include "exynos_drm_encoder.h"
24#include "exynos_drm_fbdev.h"
25#include "exynos_drm_fb.h"
26#include "exynos_drm_gem.h"
27#include "exynos_drm_plane.h"
28#include "exynos_drm_vidi.h"
29#include "exynos_drm_dmabuf.h"
30#include "exynos_drm_g2d.h"
31#include "exynos_drm_ipp.h"
32#include "exynos_drm_iommu.h"
33
34#define DRIVER_NAME "exynos"
35#define DRIVER_DESC "Samsung SoC DRM"
36#define DRIVER_DATE "20110530"
37#define DRIVER_MAJOR 1
38#define DRIVER_MINOR 0
39
40#define VBLANK_OFF_DELAY 50000
41
42
43static struct platform_device *exynos_drm_pdev;
44
45static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
46{
47 struct exynos_drm_private *private;
48 int ret;
49 int nr;
50
51 private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL);
52 if (!private)
53 return -ENOMEM;
54
55 INIT_LIST_HEAD(&private->pageflip_event_list);
56 dev->dev_private = (void *)private;
57
58
59
60
61
62
63
64 ret = drm_create_iommu_mapping(dev);
65 if (ret < 0) {
66 DRM_ERROR("failed to create iommu mapping.\n");
67 goto err_crtc;
68 }
69
70 drm_mode_config_init(dev);
71
72
73 drm_kms_helper_poll_init(dev);
74
75 exynos_drm_mode_config_init(dev);
76
77
78
79
80
81 for (nr = 0; nr < MAX_CRTC; nr++) {
82 ret = exynos_drm_crtc_create(dev, nr);
83 if (ret)
84 goto err_release_iommu_mapping;
85 }
86
87 for (nr = 0; nr < MAX_PLANE; nr++) {
88 struct drm_plane *plane;
89 unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
90
91 plane = exynos_plane_init(dev, possible_crtcs, false);
92 if (!plane)
93 goto err_release_iommu_mapping;
94 }
95
96 ret = drm_vblank_init(dev, MAX_CRTC);
97 if (ret)
98 goto err_release_iommu_mapping;
99
100
101
102
103
104
105 ret = exynos_drm_device_register(dev);
106 if (ret)
107 goto err_vblank;
108
109
110 exynos_drm_encoder_setup(dev);
111
112
113
114
115
116 ret = exynos_drm_fbdev_init(dev);
117 if (ret) {
118 DRM_ERROR("failed to initialize drm fbdev\n");
119 goto err_drm_device;
120 }
121
122 drm_vblank_offdelay = VBLANK_OFF_DELAY;
123
124 platform_set_drvdata(dev->platformdev, dev);
125
126 return 0;
127
128err_drm_device:
129 exynos_drm_device_unregister(dev);
130err_vblank:
131 drm_vblank_cleanup(dev);
132err_release_iommu_mapping:
133 drm_release_iommu_mapping(dev);
134err_crtc:
135 drm_mode_config_cleanup(dev);
136 kfree(private);
137
138 return ret;
139}
140
141static int exynos_drm_unload(struct drm_device *dev)
142{
143 exynos_drm_fbdev_fini(dev);
144 exynos_drm_device_unregister(dev);
145 drm_vblank_cleanup(dev);
146 drm_kms_helper_poll_fini(dev);
147 drm_mode_config_cleanup(dev);
148
149 drm_release_iommu_mapping(dev);
150 kfree(dev->dev_private);
151
152 dev->dev_private = NULL;
153
154 return 0;
155}
156
157static const struct file_operations exynos_drm_gem_fops = {
158 .mmap = exynos_drm_gem_mmap_buffer,
159};
160
161static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
162{
163 struct drm_exynos_file_private *file_priv;
164 struct file *anon_filp;
165 int ret;
166
167 file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
168 if (!file_priv)
169 return -ENOMEM;
170
171 file->driver_priv = file_priv;
172
173 ret = exynos_drm_subdrv_open(dev, file);
174 if (ret)
175 goto err_file_priv_free;
176
177 anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops,
178 NULL, 0);
179 if (IS_ERR(anon_filp)) {
180 ret = PTR_ERR(anon_filp);
181 goto err_subdrv_close;
182 }
183
184 anon_filp->f_mode = FMODE_READ | FMODE_WRITE;
185 file_priv->anon_filp = anon_filp;
186
187 return ret;
188
189err_subdrv_close:
190 exynos_drm_subdrv_close(dev, file);
191
192err_file_priv_free:
193 kfree(file_priv);
194 file->driver_priv = NULL;
195 return ret;
196}
197
198static void exynos_drm_preclose(struct drm_device *dev,
199 struct drm_file *file)
200{
201 exynos_drm_subdrv_close(dev, file);
202}
203
204static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
205{
206 struct exynos_drm_private *private = dev->dev_private;
207 struct drm_exynos_file_private *file_priv;
208 struct drm_pending_vblank_event *v, *vt;
209 struct drm_pending_event *e, *et;
210 unsigned long flags;
211
212 if (!file->driver_priv)
213 return;
214
215
216 spin_lock_irqsave(&dev->event_lock, flags);
217 list_for_each_entry_safe(v, vt, &private->pageflip_event_list,
218 base.link) {
219 if (v->base.file_priv == file) {
220 list_del(&v->base.link);
221 drm_vblank_put(dev, v->pipe);
222 v->base.destroy(&v->base);
223 }
224 }
225
226
227 list_for_each_entry_safe(e, et, &file->event_list, link) {
228 list_del(&e->link);
229 e->destroy(e);
230 }
231 spin_unlock_irqrestore(&dev->event_lock, flags);
232
233 file_priv = file->driver_priv;
234 if (file_priv->anon_filp)
235 fput(file_priv->anon_filp);
236
237 kfree(file->driver_priv);
238 file->driver_priv = NULL;
239}
240
241static void exynos_drm_lastclose(struct drm_device *dev)
242{
243 exynos_drm_fbdev_restore_mode(dev);
244}
245
246static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
247 .fault = exynos_drm_gem_fault,
248 .open = drm_gem_vm_open,
249 .close = drm_gem_vm_close,
250};
251
252static const struct drm_ioctl_desc exynos_ioctls[] = {
253 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl,
254 DRM_UNLOCKED | DRM_AUTH),
255 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET,
256 exynos_drm_gem_map_offset_ioctl, DRM_UNLOCKED |
257 DRM_AUTH),
258 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP,
259 exynos_drm_gem_mmap_ioctl, DRM_UNLOCKED | DRM_AUTH),
260 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET,
261 exynos_drm_gem_get_ioctl, DRM_UNLOCKED),
262 DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION,
263 vidi_connection_ioctl, DRM_UNLOCKED | DRM_AUTH),
264 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER,
265 exynos_g2d_get_ver_ioctl, DRM_UNLOCKED | DRM_AUTH),
266 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST,
267 exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH),
268 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC,
269 exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH),
270 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY,
271 exynos_drm_ipp_get_property, DRM_UNLOCKED | DRM_AUTH),
272 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY,
273 exynos_drm_ipp_set_property, DRM_UNLOCKED | DRM_AUTH),
274 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF,
275 exynos_drm_ipp_queue_buf, DRM_UNLOCKED | DRM_AUTH),
276 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL,
277 exynos_drm_ipp_cmd_ctrl, DRM_UNLOCKED | DRM_AUTH),
278};
279
280static const struct file_operations exynos_drm_driver_fops = {
281 .owner = THIS_MODULE,
282 .open = drm_open,
283 .mmap = exynos_drm_gem_mmap,
284 .poll = drm_poll,
285 .read = drm_read,
286 .unlocked_ioctl = drm_ioctl,
287#ifdef CONFIG_COMPAT
288 .compat_ioctl = drm_compat_ioctl,
289#endif
290 .release = drm_release,
291};
292
293static struct drm_driver exynos_drm_driver = {
294 .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET |
295 DRIVER_GEM | DRIVER_PRIME,
296 .load = exynos_drm_load,
297 .unload = exynos_drm_unload,
298 .open = exynos_drm_open,
299 .preclose = exynos_drm_preclose,
300 .lastclose = exynos_drm_lastclose,
301 .postclose = exynos_drm_postclose,
302 .get_vblank_counter = drm_vblank_count,
303 .enable_vblank = exynos_drm_crtc_enable_vblank,
304 .disable_vblank = exynos_drm_crtc_disable_vblank,
305 .gem_free_object = exynos_drm_gem_free_object,
306 .gem_vm_ops = &exynos_drm_gem_vm_ops,
307 .dumb_create = exynos_drm_gem_dumb_create,
308 .dumb_map_offset = exynos_drm_gem_dumb_map_offset,
309 .dumb_destroy = drm_gem_dumb_destroy,
310 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
311 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
312 .gem_prime_export = exynos_dmabuf_prime_export,
313 .gem_prime_import = exynos_dmabuf_prime_import,
314 .ioctls = exynos_ioctls,
315 .num_ioctls = ARRAY_SIZE(exynos_ioctls),
316 .fops = &exynos_drm_driver_fops,
317 .name = DRIVER_NAME,
318 .desc = DRIVER_DESC,
319 .date = DRIVER_DATE,
320 .major = DRIVER_MAJOR,
321 .minor = DRIVER_MINOR,
322};
323
324static int exynos_drm_platform_probe(struct platform_device *pdev)
325{
326 int ret;
327
328 ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
329 if (ret)
330 return ret;
331
332 return drm_platform_init(&exynos_drm_driver, pdev);
333}
334
335static int exynos_drm_platform_remove(struct platform_device *pdev)
336{
337 drm_put_dev(platform_get_drvdata(pdev));
338
339 return 0;
340}
341
342static struct platform_driver exynos_drm_platform_driver = {
343 .probe = exynos_drm_platform_probe,
344 .remove = exynos_drm_platform_remove,
345 .driver = {
346 .owner = THIS_MODULE,
347 .name = "exynos-drm",
348 },
349};
350
351static int __init exynos_drm_init(void)
352{
353 int ret;
354
355#ifdef CONFIG_DRM_EXYNOS_FIMD
356 ret = platform_driver_register(&fimd_driver);
357 if (ret < 0)
358 goto out_fimd;
359#endif
360
361#ifdef CONFIG_DRM_EXYNOS_HDMI
362 ret = platform_driver_register(&hdmi_driver);
363 if (ret < 0)
364 goto out_hdmi;
365 ret = platform_driver_register(&mixer_driver);
366 if (ret < 0)
367 goto out_mixer;
368 ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
369 if (ret < 0)
370 goto out_common_hdmi;
371
372 ret = exynos_platform_device_hdmi_register();
373 if (ret < 0)
374 goto out_common_hdmi_dev;
375#endif
376
377#ifdef CONFIG_DRM_EXYNOS_VIDI
378 ret = platform_driver_register(&vidi_driver);
379 if (ret < 0)
380 goto out_vidi;
381#endif
382
383#ifdef CONFIG_DRM_EXYNOS_G2D
384 ret = platform_driver_register(&g2d_driver);
385 if (ret < 0)
386 goto out_g2d;
387#endif
388
389#ifdef CONFIG_DRM_EXYNOS_FIMC
390 ret = platform_driver_register(&fimc_driver);
391 if (ret < 0)
392 goto out_fimc;
393#endif
394
395#ifdef CONFIG_DRM_EXYNOS_ROTATOR
396 ret = platform_driver_register(&rotator_driver);
397 if (ret < 0)
398 goto out_rotator;
399#endif
400
401#ifdef CONFIG_DRM_EXYNOS_GSC
402 ret = platform_driver_register(&gsc_driver);
403 if (ret < 0)
404 goto out_gsc;
405#endif
406
407#ifdef CONFIG_DRM_EXYNOS_IPP
408 ret = platform_driver_register(&ipp_driver);
409 if (ret < 0)
410 goto out_ipp;
411
412 ret = exynos_platform_device_ipp_register();
413 if (ret < 0)
414 goto out_ipp_dev;
415#endif
416
417 ret = platform_driver_register(&exynos_drm_platform_driver);
418 if (ret < 0)
419 goto out_drm;
420
421 exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
422 NULL, 0);
423 if (IS_ERR(exynos_drm_pdev)) {
424 ret = PTR_ERR(exynos_drm_pdev);
425 goto out;
426 }
427
428 return 0;
429
430out:
431 platform_driver_unregister(&exynos_drm_platform_driver);
432
433out_drm:
434#ifdef CONFIG_DRM_EXYNOS_IPP
435 exynos_platform_device_ipp_unregister();
436out_ipp_dev:
437 platform_driver_unregister(&ipp_driver);
438out_ipp:
439#endif
440
441#ifdef CONFIG_DRM_EXYNOS_GSC
442 platform_driver_unregister(&gsc_driver);
443out_gsc:
444#endif
445
446#ifdef CONFIG_DRM_EXYNOS_ROTATOR
447 platform_driver_unregister(&rotator_driver);
448out_rotator:
449#endif
450
451#ifdef CONFIG_DRM_EXYNOS_FIMC
452 platform_driver_unregister(&fimc_driver);
453out_fimc:
454#endif
455
456#ifdef CONFIG_DRM_EXYNOS_G2D
457 platform_driver_unregister(&g2d_driver);
458out_g2d:
459#endif
460
461#ifdef CONFIG_DRM_EXYNOS_VIDI
462 platform_driver_unregister(&vidi_driver);
463out_vidi:
464#endif
465
466#ifdef CONFIG_DRM_EXYNOS_HDMI
467 exynos_platform_device_hdmi_unregister();
468out_common_hdmi_dev:
469 platform_driver_unregister(&exynos_drm_common_hdmi_driver);
470out_common_hdmi:
471 platform_driver_unregister(&mixer_driver);
472out_mixer:
473 platform_driver_unregister(&hdmi_driver);
474out_hdmi:
475#endif
476
477#ifdef CONFIG_DRM_EXYNOS_FIMD
478 platform_driver_unregister(&fimd_driver);
479out_fimd:
480#endif
481 return ret;
482}
483
484static void __exit exynos_drm_exit(void)
485{
486 platform_device_unregister(exynos_drm_pdev);
487
488 platform_driver_unregister(&exynos_drm_platform_driver);
489
490#ifdef CONFIG_DRM_EXYNOS_IPP
491 exynos_platform_device_ipp_unregister();
492 platform_driver_unregister(&ipp_driver);
493#endif
494
495#ifdef CONFIG_DRM_EXYNOS_GSC
496 platform_driver_unregister(&gsc_driver);
497#endif
498
499#ifdef CONFIG_DRM_EXYNOS_ROTATOR
500 platform_driver_unregister(&rotator_driver);
501#endif
502
503#ifdef CONFIG_DRM_EXYNOS_FIMC
504 platform_driver_unregister(&fimc_driver);
505#endif
506
507#ifdef CONFIG_DRM_EXYNOS_G2D
508 platform_driver_unregister(&g2d_driver);
509#endif
510
511#ifdef CONFIG_DRM_EXYNOS_HDMI
512 exynos_platform_device_hdmi_unregister();
513 platform_driver_unregister(&exynos_drm_common_hdmi_driver);
514 platform_driver_unregister(&mixer_driver);
515 platform_driver_unregister(&hdmi_driver);
516#endif
517
518#ifdef CONFIG_DRM_EXYNOS_VIDI
519 platform_driver_unregister(&vidi_driver);
520#endif
521
522#ifdef CONFIG_DRM_EXYNOS_FIMD
523 platform_driver_unregister(&fimd_driver);
524#endif
525}
526
527module_init(exynos_drm_init);
528module_exit(exynos_drm_exit);
529
530MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
531MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
532MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
533MODULE_DESCRIPTION("Samsung SoC DRM Driver");
534MODULE_LICENSE("GPL");
535
