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28#include <drm/drmP.h>
29#include <drm/drm_crtc_helper.h>
30
31#include <drm/exynos_drm.h>
32
33#include "exynos_drm_drv.h"
34#include "exynos_drm_crtc.h"
35#include "exynos_drm_encoder.h"
36#include "exynos_drm_fbdev.h"
37#include "exynos_drm_fb.h"
38#include "exynos_drm_gem.h"
39#include "exynos_drm_plane.h"
40#include "exynos_drm_vidi.h"
41#include "exynos_drm_dmabuf.h"
42#include "exynos_drm_g2d.h"
43
44#define DRIVER_NAME "exynos"
45#define DRIVER_DESC "Samsung SoC DRM"
46#define DRIVER_DATE "20110530"
47#define DRIVER_MAJOR 1
48#define DRIVER_MINOR 0
49
50#define VBLANK_OFF_DELAY 50000
51
52static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
53{
54 struct exynos_drm_private *private;
55 int ret;
56 int nr;
57
58 DRM_DEBUG_DRIVER("%s\n", __FILE__);
59
60 private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL);
61 if (!private) {
62 DRM_ERROR("failed to allocate private\n");
63 return -ENOMEM;
64 }
65
66 INIT_LIST_HEAD(&private->pageflip_event_list);
67 dev->dev_private = (void *)private;
68
69 drm_mode_config_init(dev);
70
71
72 drm_kms_helper_poll_init(dev);
73
74 exynos_drm_mode_config_init(dev);
75
76
77
78
79
80 for (nr = 0; nr < MAX_CRTC; nr++) {
81 ret = exynos_drm_crtc_create(dev, nr);
82 if (ret)
83 goto err_crtc;
84 }
85
86 for (nr = 0; nr < MAX_PLANE; nr++) {
87 struct drm_plane *plane;
88 unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
89
90 plane = exynos_plane_init(dev, possible_crtcs, false);
91 if (!plane)
92 goto err_crtc;
93 }
94
95 ret = drm_vblank_init(dev, MAX_CRTC);
96 if (ret)
97 goto err_crtc;
98
99
100
101
102
103
104 ret = exynos_drm_device_register(dev);
105 if (ret)
106 goto err_vblank;
107
108
109 exynos_drm_encoder_setup(dev);
110
111
112
113
114
115 ret = exynos_drm_fbdev_init(dev);
116 if (ret) {
117 DRM_ERROR("failed to initialize drm fbdev\n");
118 goto err_drm_device;
119 }
120
121 drm_vblank_offdelay = VBLANK_OFF_DELAY;
122
123 return 0;
124
125err_drm_device:
126 exynos_drm_device_unregister(dev);
127err_vblank:
128 drm_vblank_cleanup(dev);
129err_crtc:
130 drm_mode_config_cleanup(dev);
131 kfree(private);
132
133 return ret;
134}
135
136static int exynos_drm_unload(struct drm_device *dev)
137{
138 DRM_DEBUG_DRIVER("%s\n", __FILE__);
139
140 exynos_drm_fbdev_fini(dev);
141 exynos_drm_device_unregister(dev);
142 drm_vblank_cleanup(dev);
143 drm_kms_helper_poll_fini(dev);
144 drm_mode_config_cleanup(dev);
145 kfree(dev->dev_private);
146
147 dev->dev_private = NULL;
148
149 return 0;
150}
151
152static int exynos_drm_open(struct drm_device *dev, struct drm_file *file)
153{
154 struct drm_exynos_file_private *file_priv;
155
156 DRM_DEBUG_DRIVER("%s\n", __FILE__);
157
158 file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
159 if (!file_priv)
160 return -ENOMEM;
161
162 file->driver_priv = file_priv;
163
164 return exynos_drm_subdrv_open(dev, file);
165}
166
167static void exynos_drm_preclose(struct drm_device *dev,
168 struct drm_file *file)
169{
170 struct exynos_drm_private *private = dev->dev_private;
171 struct drm_pending_vblank_event *e, *t;
172 unsigned long flags;
173
174 DRM_DEBUG_DRIVER("%s\n", __FILE__);
175
176
177 spin_lock_irqsave(&dev->event_lock, flags);
178 list_for_each_entry_safe(e, t, &private->pageflip_event_list,
179 base.link) {
180 if (e->base.file_priv == file) {
181 list_del(&e->base.link);
182 e->base.destroy(&e->base);
183 }
184 }
185 spin_unlock_irqrestore(&dev->event_lock, flags);
186
187 exynos_drm_subdrv_close(dev, file);
188}
189
190static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
191{
192 DRM_DEBUG_DRIVER("%s\n", __FILE__);
193
194 if (!file->driver_priv)
195 return;
196
197 kfree(file->driver_priv);
198 file->driver_priv = NULL;
199}
200
201static void exynos_drm_lastclose(struct drm_device *dev)
202{
203 DRM_DEBUG_DRIVER("%s\n", __FILE__);
204
205 exynos_drm_fbdev_restore_mode(dev);
206}
207
208static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
209 .fault = exynos_drm_gem_fault,
210 .open = drm_gem_vm_open,
211 .close = drm_gem_vm_close,
212};
213
214static struct drm_ioctl_desc exynos_ioctls[] = {
215 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl,
216 DRM_UNLOCKED | DRM_AUTH),
217 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET,
218 exynos_drm_gem_map_offset_ioctl, DRM_UNLOCKED |
219 DRM_AUTH),
220 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP,
221 exynos_drm_gem_mmap_ioctl, DRM_UNLOCKED | DRM_AUTH),
222 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET,
223 exynos_drm_gem_get_ioctl, DRM_UNLOCKED),
224 DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION,
225 vidi_connection_ioctl, DRM_UNLOCKED | DRM_AUTH),
226 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER,
227 exynos_g2d_get_ver_ioctl, DRM_UNLOCKED | DRM_AUTH),
228 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST,
229 exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH),
230 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC,
231 exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH),
232};
233
234static const struct file_operations exynos_drm_driver_fops = {
235 .owner = THIS_MODULE,
236 .open = drm_open,
237 .mmap = exynos_drm_gem_mmap,
238 .poll = drm_poll,
239 .read = drm_read,
240 .unlocked_ioctl = drm_ioctl,
241#ifdef CONFIG_COMPAT
242 .compat_ioctl = drm_compat_ioctl,
243#endif
244 .release = drm_release,
245};
246
247static struct drm_driver exynos_drm_driver = {
248 .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET |
249 DRIVER_GEM | DRIVER_PRIME,
250 .load = exynos_drm_load,
251 .unload = exynos_drm_unload,
252 .open = exynos_drm_open,
253 .preclose = exynos_drm_preclose,
254 .lastclose = exynos_drm_lastclose,
255 .postclose = exynos_drm_postclose,
256 .get_vblank_counter = drm_vblank_count,
257 .enable_vblank = exynos_drm_crtc_enable_vblank,
258 .disable_vblank = exynos_drm_crtc_disable_vblank,
259 .gem_init_object = exynos_drm_gem_init_object,
260 .gem_free_object = exynos_drm_gem_free_object,
261 .gem_vm_ops = &exynos_drm_gem_vm_ops,
262 .dumb_create = exynos_drm_gem_dumb_create,
263 .dumb_map_offset = exynos_drm_gem_dumb_map_offset,
264 .dumb_destroy = exynos_drm_gem_dumb_destroy,
265 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
266 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
267 .gem_prime_export = exynos_dmabuf_prime_export,
268 .gem_prime_import = exynos_dmabuf_prime_import,
269 .ioctls = exynos_ioctls,
270 .fops = &exynos_drm_driver_fops,
271 .name = DRIVER_NAME,
272 .desc = DRIVER_DESC,
273 .date = DRIVER_DATE,
274 .major = DRIVER_MAJOR,
275 .minor = DRIVER_MINOR,
276};
277
278static int exynos_drm_platform_probe(struct platform_device *pdev)
279{
280 DRM_DEBUG_DRIVER("%s\n", __FILE__);
281
282 exynos_drm_driver.num_ioctls = DRM_ARRAY_SIZE(exynos_ioctls);
283
284 return drm_platform_init(&exynos_drm_driver, pdev);
285}
286
287static int exynos_drm_platform_remove(struct platform_device *pdev)
288{
289 DRM_DEBUG_DRIVER("%s\n", __FILE__);
290
291 drm_platform_exit(&exynos_drm_driver, pdev);
292
293 return 0;
294}
295
296static struct platform_driver exynos_drm_platform_driver = {
297 .probe = exynos_drm_platform_probe,
298 .remove = __devexit_p(exynos_drm_platform_remove),
299 .driver = {
300 .owner = THIS_MODULE,
301 .name = "exynos-drm",
302 },
303};
304
305static int __init exynos_drm_init(void)
306{
307 int ret;
308
309 DRM_DEBUG_DRIVER("%s\n", __FILE__);
310
311#ifdef CONFIG_DRM_EXYNOS_FIMD
312 ret = platform_driver_register(&fimd_driver);
313 if (ret < 0)
314 goto out_fimd;
315#endif
316
317#ifdef CONFIG_DRM_EXYNOS_HDMI
318 ret = platform_driver_register(&hdmi_driver);
319 if (ret < 0)
320 goto out_hdmi;
321 ret = platform_driver_register(&mixer_driver);
322 if (ret < 0)
323 goto out_mixer;
324 ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
325 if (ret < 0)
326 goto out_common_hdmi;
327#endif
328
329#ifdef CONFIG_DRM_EXYNOS_VIDI
330 ret = platform_driver_register(&vidi_driver);
331 if (ret < 0)
332 goto out_vidi;
333#endif
334
335#ifdef CONFIG_DRM_EXYNOS_G2D
336 ret = platform_driver_register(&g2d_driver);
337 if (ret < 0)
338 goto out_g2d;
339#endif
340
341 ret = platform_driver_register(&exynos_drm_platform_driver);
342 if (ret < 0)
343 goto out;
344
345 return 0;
346
347out:
348#ifdef CONFIG_DRM_EXYNOS_G2D
349 platform_driver_unregister(&g2d_driver);
350out_g2d:
351#endif
352
353#ifdef CONFIG_DRM_EXYNOS_VIDI
354out_vidi:
355 platform_driver_unregister(&vidi_driver);
356#endif
357
358#ifdef CONFIG_DRM_EXYNOS_HDMI
359 platform_driver_unregister(&exynos_drm_common_hdmi_driver);
360out_common_hdmi:
361 platform_driver_unregister(&mixer_driver);
362out_mixer:
363 platform_driver_unregister(&hdmi_driver);
364out_hdmi:
365#endif
366
367#ifdef CONFIG_DRM_EXYNOS_FIMD
368 platform_driver_unregister(&fimd_driver);
369out_fimd:
370#endif
371 return ret;
372}
373
374static void __exit exynos_drm_exit(void)
375{
376 DRM_DEBUG_DRIVER("%s\n", __FILE__);
377
378 platform_driver_unregister(&exynos_drm_platform_driver);
379
380#ifdef CONFIG_DRM_EXYNOS_G2D
381 platform_driver_unregister(&g2d_driver);
382#endif
383
384#ifdef CONFIG_DRM_EXYNOS_HDMI
385 platform_driver_unregister(&exynos_drm_common_hdmi_driver);
386 platform_driver_unregister(&mixer_driver);
387 platform_driver_unregister(&hdmi_driver);
388#endif
389
390#ifdef CONFIG_DRM_EXYNOS_VIDI
391 platform_driver_unregister(&vidi_driver);
392#endif
393
394#ifdef CONFIG_DRM_EXYNOS_FIMD
395 platform_driver_unregister(&fimd_driver);
396#endif
397}
398
399module_init(exynos_drm_init);
400module_exit(exynos_drm_exit);
401
402MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
403MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
404MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
405MODULE_DESCRIPTION("Samsung SoC DRM Driver");
406MODULE_LICENSE("GPL");
407
