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Commit | Line | Data |
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1c248b7d ID |
1 | /* |
2 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | |
3 | * Authors: | |
4 | * Inki Dae <inki.dae@samsung.com> | |
5 | * Joonyoung Shim <jy0922.shim@samsung.com> | |
6 | * Seung-Woo Kim <sw0312.kim@samsung.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the "Software"), | |
10 | * to deal in the Software without restriction, including without limitation | |
11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
12 | * and/or sell copies of the Software, and to permit persons to whom the | |
13 | * Software is furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice (including the next | |
16 | * paragraph) shall be included in all copies or substantial portions of the | |
17 | * Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
22 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
23 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
24 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
25 | * OTHER DEALINGS IN THE SOFTWARE. | |
26 | */ | |
27 | ||
28 | #include "drmP.h" | |
29 | #include "drm.h" | |
7db3eba6 | 30 | #include "drm_crtc_helper.h" |
1c248b7d ID |
31 | |
32 | #include <drm/exynos_drm.h> | |
33 | ||
34 | #include "exynos_drm_drv.h" | |
35 | #include "exynos_drm_crtc.h" | |
d081f566 | 36 | #include "exynos_drm_encoder.h" |
1c248b7d ID |
37 | #include "exynos_drm_fbdev.h" |
38 | #include "exynos_drm_fb.h" | |
39 | #include "exynos_drm_gem.h" | |
864ee9e6 | 40 | #include "exynos_drm_plane.h" |
b73d1230 | 41 | #include "exynos_drm_vidi.h" |
b2df26c1 | 42 | #include "exynos_drm_dmabuf.h" |
d7f1642c | 43 | #include "exynos_drm_g2d.h" |
1c248b7d | 44 | |
0edf9936 | 45 | #define DRIVER_NAME "exynos" |
1c248b7d ID |
46 | #define DRIVER_DESC "Samsung SoC DRM" |
47 | #define DRIVER_DATE "20110530" | |
48 | #define DRIVER_MAJOR 1 | |
49 | #define DRIVER_MINOR 0 | |
50 | ||
52c68814 ID |
51 | #define VBLANK_OFF_DELAY 50000 |
52 | ||
1c248b7d ID |
53 | static int exynos_drm_load(struct drm_device *dev, unsigned long flags) |
54 | { | |
55 | struct exynos_drm_private *private; | |
56 | int ret; | |
57 | int nr; | |
58 | ||
59 | DRM_DEBUG_DRIVER("%s\n", __FILE__); | |
60 | ||
61 | private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL); | |
62 | if (!private) { | |
63 | DRM_ERROR("failed to allocate private\n"); | |
64 | return -ENOMEM; | |
65 | } | |
66 | ||
67 | INIT_LIST_HEAD(&private->pageflip_event_list); | |
68 | dev->dev_private = (void *)private; | |
69 | ||
70 | drm_mode_config_init(dev); | |
71 | ||
7db3eba6 SWK |
72 | /* init kms poll for handling hpd */ |
73 | drm_kms_helper_poll_init(dev); | |
74 | ||
1c248b7d ID |
75 | exynos_drm_mode_config_init(dev); |
76 | ||
77 | /* | |
78 | * EXYNOS4 is enough to have two CRTCs and each crtc would be used | |
79 | * without dependency of hardware. | |
80 | */ | |
81 | for (nr = 0; nr < MAX_CRTC; nr++) { | |
82 | ret = exynos_drm_crtc_create(dev, nr); | |
83 | if (ret) | |
84 | goto err_crtc; | |
85 | } | |
86 | ||
864ee9e6 JS |
87 | for (nr = 0; nr < MAX_PLANE; nr++) { |
88 | ret = exynos_plane_init(dev, nr); | |
89 | if (ret) | |
90 | goto err_crtc; | |
91 | } | |
92 | ||
1c248b7d ID |
93 | ret = drm_vblank_init(dev, MAX_CRTC); |
94 | if (ret) | |
95 | goto err_crtc; | |
96 | ||
97 | /* | |
98 | * probe sub drivers such as display controller and hdmi driver, | |
99 | * that were registered at probe() of platform driver | |
100 | * to the sub driver and create encoder and connector for them. | |
101 | */ | |
102 | ret = exynos_drm_device_register(dev); | |
103 | if (ret) | |
104 | goto err_vblank; | |
105 | ||
d081f566 ID |
106 | /* setup possible_clones. */ |
107 | exynos_drm_encoder_setup(dev); | |
108 | ||
1c248b7d ID |
109 | /* |
110 | * create and configure fb helper and also exynos specific | |
111 | * fbdev object. | |
112 | */ | |
113 | ret = exynos_drm_fbdev_init(dev); | |
114 | if (ret) { | |
115 | DRM_ERROR("failed to initialize drm fbdev\n"); | |
116 | goto err_drm_device; | |
117 | } | |
118 | ||
52c68814 ID |
119 | drm_vblank_offdelay = VBLANK_OFF_DELAY; |
120 | ||
1c248b7d ID |
121 | return 0; |
122 | ||
123 | err_drm_device: | |
124 | exynos_drm_device_unregister(dev); | |
125 | err_vblank: | |
126 | drm_vblank_cleanup(dev); | |
127 | err_crtc: | |
128 | drm_mode_config_cleanup(dev); | |
129 | kfree(private); | |
130 | ||
131 | return ret; | |
132 | } | |
133 | ||
134 | static int exynos_drm_unload(struct drm_device *dev) | |
135 | { | |
136 | DRM_DEBUG_DRIVER("%s\n", __FILE__); | |
137 | ||
138 | exynos_drm_fbdev_fini(dev); | |
139 | exynos_drm_device_unregister(dev); | |
140 | drm_vblank_cleanup(dev); | |
7db3eba6 | 141 | drm_kms_helper_poll_fini(dev); |
1c248b7d ID |
142 | drm_mode_config_cleanup(dev); |
143 | kfree(dev->dev_private); | |
144 | ||
145 | dev->dev_private = NULL; | |
146 | ||
147 | return 0; | |
148 | } | |
149 | ||
9084f7b8 JS |
150 | static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) |
151 | { | |
d7f1642c JS |
152 | struct drm_exynos_file_private *file_priv; |
153 | ||
9084f7b8 JS |
154 | DRM_DEBUG_DRIVER("%s\n", __FILE__); |
155 | ||
d7f1642c JS |
156 | file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); |
157 | if (!file_priv) | |
158 | return -ENOMEM; | |
159 | ||
b2df26c1 | 160 | drm_prime_init_file_private(&file->prime); |
d7f1642c | 161 | file->driver_priv = file_priv; |
b2df26c1 | 162 | |
9084f7b8 JS |
163 | return exynos_drm_subdrv_open(dev, file); |
164 | } | |
165 | ||
ccf4d883 | 166 | static void exynos_drm_preclose(struct drm_device *dev, |
6f811502 | 167 | struct drm_file *file) |
ccf4d883 | 168 | { |
3ab09435 JS |
169 | struct exynos_drm_private *private = dev->dev_private; |
170 | struct drm_pending_vblank_event *e, *t; | |
171 | unsigned long flags; | |
172 | ||
6f811502 | 173 | DRM_DEBUG_DRIVER("%s\n", __FILE__); |
ccf4d883 | 174 | |
3ab09435 JS |
175 | /* release events of current file */ |
176 | spin_lock_irqsave(&dev->event_lock, flags); | |
177 | list_for_each_entry_safe(e, t, &private->pageflip_event_list, | |
178 | base.link) { | |
179 | if (e->base.file_priv == file) { | |
180 | list_del(&e->base.link); | |
181 | e->base.destroy(&e->base); | |
182 | } | |
183 | } | |
b2df26c1 | 184 | drm_prime_destroy_file_private(&file->prime); |
3ab09435 | 185 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9084f7b8 JS |
186 | |
187 | exynos_drm_subdrv_close(dev, file); | |
ccf4d883 ID |
188 | } |
189 | ||
53ef299f ID |
190 | static 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 | ||
1c248b7d ID |
201 | static 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 | ||
78b68556 | 208 | static const struct vm_operations_struct exynos_drm_gem_vm_ops = { |
1c248b7d ID |
209 | .fault = exynos_drm_gem_fault, |
210 | .open = drm_gem_vm_open, | |
211 | .close = drm_gem_vm_close, | |
212 | }; | |
213 | ||
214 | static 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), | |
40cd7e0c ID |
222 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, |
223 | exynos_drm_gem_get_ioctl, DRM_UNLOCKED), | |
864ee9e6 JS |
224 | DRM_IOCTL_DEF_DRV(EXYNOS_PLANE_SET_ZPOS, exynos_plane_set_zpos_ioctl, |
225 | DRM_UNLOCKED | DRM_AUTH), | |
b73d1230 ID |
226 | DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, |
227 | vidi_connection_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
d7f1642c JS |
228 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER, |
229 | exynos_g2d_get_ver_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
230 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST, | |
231 | exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
232 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, | |
233 | exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
1c248b7d ID |
234 | }; |
235 | ||
ac2bdf73 JS |
236 | static const struct file_operations exynos_drm_driver_fops = { |
237 | .owner = THIS_MODULE, | |
238 | .open = drm_open, | |
239 | .mmap = exynos_drm_gem_mmap, | |
240 | .poll = drm_poll, | |
241 | .read = drm_read, | |
242 | .unlocked_ioctl = drm_ioctl, | |
243 | .release = drm_release, | |
244 | }; | |
245 | ||
1c248b7d | 246 | static struct drm_driver exynos_drm_driver = { |
293a1c12 LP |
247 | .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | |
248 | DRIVER_GEM | DRIVER_PRIME, | |
1c248b7d ID |
249 | .load = exynos_drm_load, |
250 | .unload = exynos_drm_unload, | |
9084f7b8 | 251 | .open = exynos_drm_open, |
ccf4d883 | 252 | .preclose = exynos_drm_preclose, |
1c248b7d | 253 | .lastclose = exynos_drm_lastclose, |
53ef299f | 254 | .postclose = exynos_drm_postclose, |
1c248b7d ID |
255 | .get_vblank_counter = drm_vblank_count, |
256 | .enable_vblank = exynos_drm_crtc_enable_vblank, | |
257 | .disable_vblank = exynos_drm_crtc_disable_vblank, | |
258 | .gem_init_object = exynos_drm_gem_init_object, | |
259 | .gem_free_object = exynos_drm_gem_free_object, | |
260 | .gem_vm_ops = &exynos_drm_gem_vm_ops, | |
261 | .dumb_create = exynos_drm_gem_dumb_create, | |
262 | .dumb_map_offset = exynos_drm_gem_dumb_map_offset, | |
263 | .dumb_destroy = exynos_drm_gem_dumb_destroy, | |
b2df26c1 ID |
264 | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, |
265 | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, | |
266 | .gem_prime_export = exynos_dmabuf_prime_export, | |
267 | .gem_prime_import = exynos_dmabuf_prime_import, | |
1c248b7d | 268 | .ioctls = exynos_ioctls, |
ac2bdf73 | 269 | .fops = &exynos_drm_driver_fops, |
1c248b7d ID |
270 | .name = DRIVER_NAME, |
271 | .desc = DRIVER_DESC, | |
272 | .date = DRIVER_DATE, | |
273 | .major = DRIVER_MAJOR, | |
274 | .minor = DRIVER_MINOR, | |
275 | }; | |
276 | ||
277 | static int exynos_drm_platform_probe(struct platform_device *pdev) | |
278 | { | |
279 | DRM_DEBUG_DRIVER("%s\n", __FILE__); | |
280 | ||
281 | exynos_drm_driver.num_ioctls = DRM_ARRAY_SIZE(exynos_ioctls); | |
282 | ||
283 | return drm_platform_init(&exynos_drm_driver, pdev); | |
284 | } | |
285 | ||
286 | static int exynos_drm_platform_remove(struct platform_device *pdev) | |
287 | { | |
288 | DRM_DEBUG_DRIVER("%s\n", __FILE__); | |
289 | ||
290 | drm_platform_exit(&exynos_drm_driver, pdev); | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | static struct platform_driver exynos_drm_platform_driver = { | |
296 | .probe = exynos_drm_platform_probe, | |
297 | .remove = __devexit_p(exynos_drm_platform_remove), | |
298 | .driver = { | |
299 | .owner = THIS_MODULE, | |
9866b6c6 | 300 | .name = "exynos-drm", |
1c248b7d ID |
301 | }, |
302 | }; | |
303 | ||
304 | static int __init exynos_drm_init(void) | |
305 | { | |
132a5b91 JS |
306 | int ret; |
307 | ||
1c248b7d ID |
308 | DRM_DEBUG_DRIVER("%s\n", __FILE__); |
309 | ||
132a5b91 JS |
310 | #ifdef CONFIG_DRM_EXYNOS_FIMD |
311 | ret = platform_driver_register(&fimd_driver); | |
312 | if (ret < 0) | |
313 | goto out_fimd; | |
314 | #endif | |
315 | ||
316 | #ifdef CONFIG_DRM_EXYNOS_HDMI | |
317 | ret = platform_driver_register(&hdmi_driver); | |
318 | if (ret < 0) | |
319 | goto out_hdmi; | |
320 | ret = platform_driver_register(&mixer_driver); | |
321 | if (ret < 0) | |
322 | goto out_mixer; | |
323 | ret = platform_driver_register(&exynos_drm_common_hdmi_driver); | |
324 | if (ret < 0) | |
325 | goto out_common_hdmi; | |
326 | #endif | |
327 | ||
b73d1230 ID |
328 | #ifdef CONFIG_DRM_EXYNOS_VIDI |
329 | ret = platform_driver_register(&vidi_driver); | |
330 | if (ret < 0) | |
331 | goto out_vidi; | |
332 | #endif | |
333 | ||
d7f1642c JS |
334 | #ifdef CONFIG_DRM_EXYNOS_G2D |
335 | ret = platform_driver_register(&g2d_driver); | |
336 | if (ret < 0) | |
337 | goto out_g2d; | |
338 | #endif | |
339 | ||
132a5b91 JS |
340 | ret = platform_driver_register(&exynos_drm_platform_driver); |
341 | if (ret < 0) | |
342 | goto out; | |
343 | ||
344 | return 0; | |
345 | ||
346 | out: | |
d7f1642c JS |
347 | #ifdef CONFIG_DRM_EXYNOS_G2D |
348 | platform_driver_unregister(&g2d_driver); | |
349 | out_g2d: | |
350 | #endif | |
351 | ||
b73d1230 ID |
352 | #ifdef CONFIG_DRM_EXYNOS_VIDI |
353 | out_vidi: | |
354 | platform_driver_unregister(&vidi_driver); | |
355 | #endif | |
356 | ||
132a5b91 JS |
357 | #ifdef CONFIG_DRM_EXYNOS_HDMI |
358 | platform_driver_unregister(&exynos_drm_common_hdmi_driver); | |
359 | out_common_hdmi: | |
360 | platform_driver_unregister(&mixer_driver); | |
361 | out_mixer: | |
362 | platform_driver_unregister(&hdmi_driver); | |
363 | out_hdmi: | |
364 | #endif | |
365 | ||
366 | #ifdef CONFIG_DRM_EXYNOS_FIMD | |
367 | platform_driver_unregister(&fimd_driver); | |
368 | out_fimd: | |
369 | #endif | |
370 | return ret; | |
1c248b7d ID |
371 | } |
372 | ||
373 | static void __exit exynos_drm_exit(void) | |
374 | { | |
375 | DRM_DEBUG_DRIVER("%s\n", __FILE__); | |
376 | ||
377 | platform_driver_unregister(&exynos_drm_platform_driver); | |
132a5b91 | 378 | |
d7f1642c JS |
379 | #ifdef CONFIG_DRM_EXYNOS_G2D |
380 | platform_driver_unregister(&g2d_driver); | |
381 | #endif | |
382 | ||
132a5b91 JS |
383 | #ifdef CONFIG_DRM_EXYNOS_HDMI |
384 | platform_driver_unregister(&exynos_drm_common_hdmi_driver); | |
385 | platform_driver_unregister(&mixer_driver); | |
386 | platform_driver_unregister(&hdmi_driver); | |
387 | #endif | |
388 | ||
b73d1230 ID |
389 | #ifdef CONFIG_DRM_EXYNOS_VIDI |
390 | platform_driver_unregister(&vidi_driver); | |
391 | #endif | |
392 | ||
132a5b91 JS |
393 | #ifdef CONFIG_DRM_EXYNOS_FIMD |
394 | platform_driver_unregister(&fimd_driver); | |
395 | #endif | |
1c248b7d ID |
396 | } |
397 | ||
398 | module_init(exynos_drm_init); | |
399 | module_exit(exynos_drm_exit); | |
400 | ||
401 | MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); | |
402 | MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); | |
403 | MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>"); | |
404 | MODULE_DESCRIPTION("Samsung SoC DRM Driver"); | |
405 | MODULE_LICENSE("GPL"); |