Commit | Line | Data |
---|---|---|
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 | * | |
d81aecb5 ID |
8 | * This program is free software; you can redistribute it and/or modify it |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
1c248b7d ID |
12 | */ |
13 | ||
af65c804 | 14 | #include <linux/pm_runtime.h> |
760285e7 DH |
15 | #include <drm/drmP.h> |
16 | #include <drm/drm_crtc_helper.h> | |
1c248b7d | 17 | |
96f54215 | 18 | #include <linux/anon_inodes.h> |
f37cd5e8 | 19 | #include <linux/component.h> |
96f54215 | 20 | |
1c248b7d ID |
21 | #include <drm/exynos_drm.h> |
22 | ||
23 | #include "exynos_drm_drv.h" | |
24 | #include "exynos_drm_crtc.h" | |
d081f566 | 25 | #include "exynos_drm_encoder.h" |
1c248b7d ID |
26 | #include "exynos_drm_fbdev.h" |
27 | #include "exynos_drm_fb.h" | |
28 | #include "exynos_drm_gem.h" | |
864ee9e6 | 29 | #include "exynos_drm_plane.h" |
b73d1230 | 30 | #include "exynos_drm_vidi.h" |
b2df26c1 | 31 | #include "exynos_drm_dmabuf.h" |
d7f1642c | 32 | #include "exynos_drm_g2d.h" |
cb471f14 | 33 | #include "exynos_drm_ipp.h" |
0519f9a1 | 34 | #include "exynos_drm_iommu.h" |
1c248b7d | 35 | |
0edf9936 | 36 | #define DRIVER_NAME "exynos" |
1c248b7d ID |
37 | #define DRIVER_DESC "Samsung SoC DRM" |
38 | #define DRIVER_DATE "20110530" | |
39 | #define DRIVER_MAJOR 1 | |
40 | #define DRIVER_MINOR 0 | |
41 | ||
422bd00e RS |
42 | static struct platform_device *exynos_drm_pdev; |
43 | ||
f37cd5e8 ID |
44 | static DEFINE_MUTEX(drm_component_lock); |
45 | static LIST_HEAD(drm_component_list); | |
46 | ||
47 | struct component_dev { | |
48 | struct list_head list; | |
df5225bc ID |
49 | struct device *crtc_dev; |
50 | struct device *conn_dev; | |
51 | enum exynos_drm_output_type out_type; | |
52 | unsigned int dev_type_flag; | |
f37cd5e8 ID |
53 | }; |
54 | ||
1c248b7d ID |
55 | static int exynos_drm_load(struct drm_device *dev, unsigned long flags) |
56 | { | |
57 | struct exynos_drm_private *private; | |
58 | int ret; | |
59 | int nr; | |
60 | ||
1c248b7d | 61 | private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL); |
38bb5253 | 62 | if (!private) |
1c248b7d | 63 | return -ENOMEM; |
1c248b7d ID |
64 | |
65 | INIT_LIST_HEAD(&private->pageflip_event_list); | |
af65c804 | 66 | dev_set_drvdata(dev->dev, dev); |
1c248b7d ID |
67 | dev->dev_private = (void *)private; |
68 | ||
0519f9a1 ID |
69 | /* |
70 | * create mapping to manage iommu table and set a pointer to iommu | |
71 | * mapping structure to iommu_mapping of private data. | |
72 | * also this iommu_mapping can be used to check if iommu is supported | |
73 | * or not. | |
74 | */ | |
75 | ret = drm_create_iommu_mapping(dev); | |
76 | if (ret < 0) { | |
77 | DRM_ERROR("failed to create iommu mapping.\n"); | |
d2ba65f6 | 78 | goto err_free_private; |
0519f9a1 ID |
79 | } |
80 | ||
1c248b7d ID |
81 | drm_mode_config_init(dev); |
82 | ||
83 | exynos_drm_mode_config_init(dev); | |
84 | ||
864ee9e6 | 85 | for (nr = 0; nr < MAX_PLANE; nr++) { |
b5d2eb3b | 86 | struct drm_plane *plane; |
3f283d93 | 87 | unsigned long possible_crtcs = (1 << MAX_CRTC) - 1; |
b5d2eb3b JS |
88 | |
89 | plane = exynos_plane_init(dev, possible_crtcs, false); | |
90 | if (!plane) | |
f37cd5e8 | 91 | goto err_mode_config_cleanup; |
864ee9e6 JS |
92 | } |
93 | ||
8e527f01 AH |
94 | /* init kms poll for handling hpd */ |
95 | drm_kms_helper_poll_init(dev); | |
96 | ||
1c248b7d ID |
97 | ret = drm_vblank_init(dev, MAX_CRTC); |
98 | if (ret) | |
f37cd5e8 | 99 | goto err_mode_config_cleanup; |
1c248b7d | 100 | |
d081f566 ID |
101 | /* setup possible_clones. */ |
102 | exynos_drm_encoder_setup(dev); | |
103 | ||
a9a346d6 DV |
104 | platform_set_drvdata(dev->platformdev, dev); |
105 | ||
f37cd5e8 ID |
106 | /* Try to bind all sub drivers. */ |
107 | ret = component_bind_all(dev->dev, dev); | |
108 | if (ret) | |
109 | goto err_cleanup_vblank; | |
110 | ||
d1afe7d4 | 111 | /* Probe non kms sub drivers and virtual display driver. */ |
f37cd5e8 ID |
112 | ret = exynos_drm_device_subdrv_probe(dev); |
113 | if (ret) | |
114 | goto err_unbind_all; | |
115 | ||
25928a39 AH |
116 | /* force connectors detection */ |
117 | drm_helper_hpd_irq_event(dev); | |
118 | ||
1c248b7d ID |
119 | return 0; |
120 | ||
f37cd5e8 ID |
121 | err_unbind_all: |
122 | component_unbind_all(dev->dev, dev); | |
123 | err_cleanup_vblank: | |
1c248b7d | 124 | drm_vblank_cleanup(dev); |
080be03d SP |
125 | err_mode_config_cleanup: |
126 | drm_mode_config_cleanup(dev); | |
0519f9a1 | 127 | drm_release_iommu_mapping(dev); |
d2ba65f6 | 128 | err_free_private: |
1c248b7d ID |
129 | kfree(private); |
130 | ||
131 | return ret; | |
132 | } | |
133 | ||
134 | static int exynos_drm_unload(struct drm_device *dev) | |
135 | { | |
f37cd5e8 ID |
136 | exynos_drm_device_subdrv_remove(dev); |
137 | ||
1c248b7d | 138 | exynos_drm_fbdev_fini(dev); |
1c248b7d | 139 | drm_vblank_cleanup(dev); |
7db3eba6 | 140 | drm_kms_helper_poll_fini(dev); |
1c248b7d | 141 | drm_mode_config_cleanup(dev); |
0519f9a1 ID |
142 | |
143 | drm_release_iommu_mapping(dev); | |
1c248b7d ID |
144 | kfree(dev->dev_private); |
145 | ||
f37cd5e8 | 146 | component_unbind_all(dev->dev, dev); |
1c248b7d ID |
147 | dev->dev_private = NULL; |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
96f54215 ID |
152 | static const struct file_operations exynos_drm_gem_fops = { |
153 | .mmap = exynos_drm_gem_mmap_buffer, | |
154 | }; | |
155 | ||
af65c804 SP |
156 | static int exynos_drm_suspend(struct drm_device *dev, pm_message_t state) |
157 | { | |
158 | struct drm_connector *connector; | |
159 | ||
160 | drm_modeset_lock_all(dev); | |
161 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
162 | int old_dpms = connector->dpms; | |
163 | ||
164 | if (connector->funcs->dpms) | |
165 | connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF); | |
166 | ||
167 | /* Set the old mode back to the connector for resume */ | |
168 | connector->dpms = old_dpms; | |
169 | } | |
170 | drm_modeset_unlock_all(dev); | |
171 | ||
172 | return 0; | |
173 | } | |
174 | ||
175 | static int exynos_drm_resume(struct drm_device *dev) | |
176 | { | |
177 | struct drm_connector *connector; | |
178 | ||
179 | drm_modeset_lock_all(dev); | |
180 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
181 | if (connector->funcs->dpms) | |
182 | connector->funcs->dpms(connector, connector->dpms); | |
183 | } | |
a16f223e | 184 | drm_modeset_unlock_all(dev); |
af65c804 SP |
185 | |
186 | drm_helper_resume_force_mode(dev); | |
af65c804 SP |
187 | |
188 | return 0; | |
189 | } | |
190 | ||
9084f7b8 JS |
191 | static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) |
192 | { | |
d7f1642c | 193 | struct drm_exynos_file_private *file_priv; |
96f54215 | 194 | struct file *anon_filp; |
ba3706c0 | 195 | int ret; |
d7f1642c | 196 | |
d7f1642c JS |
197 | file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); |
198 | if (!file_priv) | |
199 | return -ENOMEM; | |
200 | ||
d7f1642c | 201 | file->driver_priv = file_priv; |
b2df26c1 | 202 | |
ba3706c0 | 203 | ret = exynos_drm_subdrv_open(dev, file); |
6ca605f7 | 204 | if (ret) |
307ceaff | 205 | goto err_file_priv_free; |
ba3706c0 | 206 | |
96f54215 ID |
207 | anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops, |
208 | NULL, 0); | |
209 | if (IS_ERR(anon_filp)) { | |
6ca605f7 | 210 | ret = PTR_ERR(anon_filp); |
307ceaff | 211 | goto err_subdrv_close; |
96f54215 ID |
212 | } |
213 | ||
214 | anon_filp->f_mode = FMODE_READ | FMODE_WRITE; | |
215 | file_priv->anon_filp = anon_filp; | |
216 | ||
6ca605f7 | 217 | return ret; |
307ceaff DK |
218 | |
219 | err_subdrv_close: | |
220 | exynos_drm_subdrv_close(dev, file); | |
221 | ||
222 | err_file_priv_free: | |
6ca605f7 SK |
223 | kfree(file_priv); |
224 | file->driver_priv = NULL; | |
ba3706c0 | 225 | return ret; |
9084f7b8 JS |
226 | } |
227 | ||
ccf4d883 | 228 | static void exynos_drm_preclose(struct drm_device *dev, |
6f811502 | 229 | struct drm_file *file) |
0cbc330e ID |
230 | { |
231 | exynos_drm_subdrv_close(dev, file); | |
232 | } | |
233 | ||
234 | static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) | |
ccf4d883 | 235 | { |
3ab09435 | 236 | struct exynos_drm_private *private = dev->dev_private; |
96f54215 | 237 | struct drm_exynos_file_private *file_priv; |
0cbc330e ID |
238 | struct drm_pending_vblank_event *v, *vt; |
239 | struct drm_pending_event *e, *et; | |
3ab09435 JS |
240 | unsigned long flags; |
241 | ||
0cbc330e ID |
242 | if (!file->driver_priv) |
243 | return; | |
244 | ||
245 | /* Release all events not unhandled by page flip handler. */ | |
3ab09435 | 246 | spin_lock_irqsave(&dev->event_lock, flags); |
0cbc330e | 247 | list_for_each_entry_safe(v, vt, &private->pageflip_event_list, |
3ab09435 | 248 | base.link) { |
0cbc330e ID |
249 | if (v->base.file_priv == file) { |
250 | list_del(&v->base.link); | |
251 | drm_vblank_put(dev, v->pipe); | |
252 | v->base.destroy(&v->base); | |
3ab09435 JS |
253 | } |
254 | } | |
9084f7b8 | 255 | |
0cbc330e ID |
256 | /* Release all events handled by page flip handler but not freed. */ |
257 | list_for_each_entry_safe(e, et, &file->event_list, link) { | |
258 | list_del(&e->link); | |
259 | e->destroy(e); | |
260 | } | |
261 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
ccf4d883 | 262 | |
96f54215 ID |
263 | file_priv = file->driver_priv; |
264 | if (file_priv->anon_filp) | |
265 | fput(file_priv->anon_filp); | |
53ef299f ID |
266 | |
267 | kfree(file->driver_priv); | |
268 | file->driver_priv = NULL; | |
269 | } | |
270 | ||
1c248b7d ID |
271 | static void exynos_drm_lastclose(struct drm_device *dev) |
272 | { | |
1c248b7d ID |
273 | exynos_drm_fbdev_restore_mode(dev); |
274 | } | |
275 | ||
78b68556 | 276 | static const struct vm_operations_struct exynos_drm_gem_vm_ops = { |
1c248b7d ID |
277 | .fault = exynos_drm_gem_fault, |
278 | .open = drm_gem_vm_open, | |
279 | .close = drm_gem_vm_close, | |
280 | }; | |
281 | ||
baa70943 | 282 | static const struct drm_ioctl_desc exynos_ioctls[] = { |
1c248b7d ID |
283 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl, |
284 | DRM_UNLOCKED | DRM_AUTH), | |
285 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET, | |
286 | exynos_drm_gem_map_offset_ioctl, DRM_UNLOCKED | | |
287 | DRM_AUTH), | |
288 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP, | |
289 | exynos_drm_gem_mmap_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
40cd7e0c ID |
290 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, |
291 | exynos_drm_gem_get_ioctl, DRM_UNLOCKED), | |
b73d1230 ID |
292 | DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, |
293 | vidi_connection_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
d7f1642c JS |
294 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER, |
295 | exynos_g2d_get_ver_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
296 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST, | |
297 | exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
298 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, | |
299 | exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
cb471f14 EK |
300 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY, |
301 | exynos_drm_ipp_get_property, DRM_UNLOCKED | DRM_AUTH), | |
302 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY, | |
303 | exynos_drm_ipp_set_property, DRM_UNLOCKED | DRM_AUTH), | |
304 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF, | |
305 | exynos_drm_ipp_queue_buf, DRM_UNLOCKED | DRM_AUTH), | |
306 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL, | |
307 | exynos_drm_ipp_cmd_ctrl, DRM_UNLOCKED | DRM_AUTH), | |
1c248b7d ID |
308 | }; |
309 | ||
ac2bdf73 JS |
310 | static const struct file_operations exynos_drm_driver_fops = { |
311 | .owner = THIS_MODULE, | |
312 | .open = drm_open, | |
313 | .mmap = exynos_drm_gem_mmap, | |
314 | .poll = drm_poll, | |
315 | .read = drm_read, | |
316 | .unlocked_ioctl = drm_ioctl, | |
804d74ab KP |
317 | #ifdef CONFIG_COMPAT |
318 | .compat_ioctl = drm_compat_ioctl, | |
319 | #endif | |
ac2bdf73 JS |
320 | .release = drm_release, |
321 | }; | |
322 | ||
1c248b7d | 323 | static struct drm_driver exynos_drm_driver = { |
be9b64a8 | 324 | .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, |
1c248b7d ID |
325 | .load = exynos_drm_load, |
326 | .unload = exynos_drm_unload, | |
af65c804 SP |
327 | .suspend = exynos_drm_suspend, |
328 | .resume = exynos_drm_resume, | |
9084f7b8 | 329 | .open = exynos_drm_open, |
ccf4d883 | 330 | .preclose = exynos_drm_preclose, |
1c248b7d | 331 | .lastclose = exynos_drm_lastclose, |
53ef299f | 332 | .postclose = exynos_drm_postclose, |
915b4d11 | 333 | .set_busid = drm_platform_set_busid, |
1c248b7d ID |
334 | .get_vblank_counter = drm_vblank_count, |
335 | .enable_vblank = exynos_drm_crtc_enable_vblank, | |
336 | .disable_vblank = exynos_drm_crtc_disable_vblank, | |
1c248b7d ID |
337 | .gem_free_object = exynos_drm_gem_free_object, |
338 | .gem_vm_ops = &exynos_drm_gem_vm_ops, | |
339 | .dumb_create = exynos_drm_gem_dumb_create, | |
340 | .dumb_map_offset = exynos_drm_gem_dumb_map_offset, | |
43387b37 | 341 | .dumb_destroy = drm_gem_dumb_destroy, |
b2df26c1 ID |
342 | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, |
343 | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, | |
344 | .gem_prime_export = exynos_dmabuf_prime_export, | |
345 | .gem_prime_import = exynos_dmabuf_prime_import, | |
1c248b7d | 346 | .ioctls = exynos_ioctls, |
baa70943 | 347 | .num_ioctls = ARRAY_SIZE(exynos_ioctls), |
ac2bdf73 | 348 | .fops = &exynos_drm_driver_fops, |
1c248b7d ID |
349 | .name = DRIVER_NAME, |
350 | .desc = DRIVER_DESC, | |
351 | .date = DRIVER_DATE, | |
352 | .major = DRIVER_MAJOR, | |
353 | .minor = DRIVER_MINOR, | |
354 | }; | |
355 | ||
af65c804 SP |
356 | #ifdef CONFIG_PM_SLEEP |
357 | static int exynos_drm_sys_suspend(struct device *dev) | |
358 | { | |
359 | struct drm_device *drm_dev = dev_get_drvdata(dev); | |
360 | pm_message_t message; | |
361 | ||
d50a1907 | 362 | if (pm_runtime_suspended(dev) || !drm_dev) |
af65c804 SP |
363 | return 0; |
364 | ||
365 | message.event = PM_EVENT_SUSPEND; | |
366 | return exynos_drm_suspend(drm_dev, message); | |
367 | } | |
368 | ||
369 | static int exynos_drm_sys_resume(struct device *dev) | |
370 | { | |
371 | struct drm_device *drm_dev = dev_get_drvdata(dev); | |
372 | ||
d50a1907 | 373 | if (pm_runtime_suspended(dev) || !drm_dev) |
af65c804 SP |
374 | return 0; |
375 | ||
376 | return exynos_drm_resume(drm_dev); | |
377 | } | |
378 | #endif | |
379 | ||
af65c804 SP |
380 | static const struct dev_pm_ops exynos_drm_pm_ops = { |
381 | SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_sys_suspend, exynos_drm_sys_resume) | |
af65c804 SP |
382 | }; |
383 | ||
f37cd5e8 | 384 | int exynos_drm_component_add(struct device *dev, |
df5225bc ID |
385 | enum exynos_drm_device_type dev_type, |
386 | enum exynos_drm_output_type out_type) | |
f37cd5e8 ID |
387 | { |
388 | struct component_dev *cdev; | |
df5225bc ID |
389 | |
390 | if (dev_type != EXYNOS_DEVICE_TYPE_CRTC && | |
391 | dev_type != EXYNOS_DEVICE_TYPE_CONNECTOR) { | |
392 | DRM_ERROR("invalid device type.\n"); | |
393 | return -EINVAL; | |
394 | } | |
395 | ||
396 | mutex_lock(&drm_component_lock); | |
397 | ||
398 | /* | |
399 | * Make sure to check if there is a component which has two device | |
400 | * objects, for connector and for encoder/connector. | |
401 | * It should make sure that crtc and encoder/connector drivers are | |
402 | * ready before exynos drm core binds them. | |
403 | */ | |
404 | list_for_each_entry(cdev, &drm_component_list, list) { | |
405 | if (cdev->out_type == out_type) { | |
406 | /* | |
407 | * If crtc and encoder/connector device objects are | |
408 | * added already just return. | |
409 | */ | |
410 | if (cdev->dev_type_flag == (EXYNOS_DEVICE_TYPE_CRTC | | |
411 | EXYNOS_DEVICE_TYPE_CONNECTOR)) { | |
412 | mutex_unlock(&drm_component_lock); | |
413 | return 0; | |
414 | } | |
415 | ||
416 | if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) { | |
417 | cdev->crtc_dev = dev; | |
418 | cdev->dev_type_flag |= dev_type; | |
419 | } | |
420 | ||
421 | if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) { | |
422 | cdev->conn_dev = dev; | |
423 | cdev->dev_type_flag |= dev_type; | |
424 | } | |
425 | ||
426 | mutex_unlock(&drm_component_lock); | |
427 | return 0; | |
428 | } | |
429 | } | |
430 | ||
431 | mutex_unlock(&drm_component_lock); | |
f37cd5e8 ID |
432 | |
433 | cdev = kzalloc(sizeof(*cdev), GFP_KERNEL); | |
434 | if (!cdev) | |
435 | return -ENOMEM; | |
436 | ||
df5225bc ID |
437 | if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) |
438 | cdev->crtc_dev = dev; | |
439 | if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) | |
440 | cdev->conn_dev = dev; | |
f37cd5e8 | 441 | |
df5225bc ID |
442 | cdev->out_type = out_type; |
443 | cdev->dev_type_flag = dev_type; | |
f37cd5e8 ID |
444 | |
445 | mutex_lock(&drm_component_lock); | |
446 | list_add_tail(&cdev->list, &drm_component_list); | |
447 | mutex_unlock(&drm_component_lock); | |
448 | ||
449 | return 0; | |
450 | } | |
451 | ||
452 | void exynos_drm_component_del(struct device *dev, | |
df5225bc | 453 | enum exynos_drm_device_type dev_type) |
f37cd5e8 ID |
454 | { |
455 | struct component_dev *cdev, *next; | |
456 | ||
457 | mutex_lock(&drm_component_lock); | |
458 | ||
459 | list_for_each_entry_safe(cdev, next, &drm_component_list, list) { | |
df5225bc ID |
460 | if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) { |
461 | if (cdev->crtc_dev == dev) { | |
462 | cdev->crtc_dev = NULL; | |
463 | cdev->dev_type_flag &= ~dev_type; | |
464 | } | |
465 | } | |
466 | ||
467 | if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) { | |
468 | if (cdev->conn_dev == dev) { | |
469 | cdev->conn_dev = NULL; | |
470 | cdev->dev_type_flag &= ~dev_type; | |
471 | } | |
472 | } | |
473 | ||
474 | /* | |
475 | * Release cdev object only in case that both of crtc and | |
476 | * encoder/connector device objects are NULL. | |
477 | */ | |
478 | if (!cdev->crtc_dev && !cdev->conn_dev) { | |
f37cd5e8 ID |
479 | list_del(&cdev->list); |
480 | kfree(cdev); | |
f37cd5e8 | 481 | } |
df5225bc ID |
482 | |
483 | break; | |
f37cd5e8 ID |
484 | } |
485 | ||
486 | mutex_unlock(&drm_component_lock); | |
f37cd5e8 ID |
487 | } |
488 | ||
489 | static int compare_of(struct device *dev, void *data) | |
490 | { | |
491 | return dev == (struct device *)data; | |
492 | } | |
493 | ||
494 | static int exynos_drm_add_components(struct device *dev, struct master *m) | |
495 | { | |
f37cd5e8 | 496 | struct component_dev *cdev; |
df5225bc | 497 | unsigned int attach_cnt = 0; |
f37cd5e8 ID |
498 | |
499 | mutex_lock(&drm_component_lock); | |
500 | ||
501 | list_for_each_entry(cdev, &drm_component_list, list) { | |
502 | int ret; | |
503 | ||
df5225bc ID |
504 | /* |
505 | * Add components to master only in case that crtc and | |
506 | * encoder/connector device objects exist. | |
507 | */ | |
508 | if (!cdev->crtc_dev || !cdev->conn_dev) | |
509 | continue; | |
510 | ||
511 | attach_cnt++; | |
512 | ||
f37cd5e8 ID |
513 | mutex_unlock(&drm_component_lock); |
514 | ||
df5225bc ID |
515 | /* |
516 | * fimd and dpi modules have same device object so add | |
517 | * only crtc device object in this case. | |
518 | * | |
519 | * TODO. if dpi module follows driver-model driver then | |
520 | * below codes can be removed. | |
521 | */ | |
522 | if (cdev->crtc_dev == cdev->conn_dev) { | |
523 | ret = component_master_add_child(m, compare_of, | |
524 | cdev->crtc_dev); | |
525 | if (ret < 0) | |
526 | return ret; | |
527 | ||
528 | goto out_lock; | |
529 | } | |
f37cd5e8 | 530 | |
df5225bc ID |
531 | /* |
532 | * Do not chage below call order. | |
533 | * crtc device first should be added to master because | |
534 | * connector/encoder need pipe number of crtc when they | |
535 | * are created. | |
536 | */ | |
537 | ret = component_master_add_child(m, compare_of, cdev->crtc_dev); | |
538 | ret |= component_master_add_child(m, compare_of, | |
539 | cdev->conn_dev); | |
540 | if (ret < 0) | |
541 | return ret; | |
542 | ||
543 | out_lock: | |
f37cd5e8 ID |
544 | mutex_lock(&drm_component_lock); |
545 | } | |
546 | ||
547 | mutex_unlock(&drm_component_lock); | |
548 | ||
df5225bc | 549 | return attach_cnt ? 0 : -ENODEV; |
f37cd5e8 ID |
550 | } |
551 | ||
552 | static int exynos_drm_bind(struct device *dev) | |
553 | { | |
f37cd5e8 ID |
554 | return drm_platform_init(&exynos_drm_driver, to_platform_device(dev)); |
555 | } | |
556 | ||
557 | static void exynos_drm_unbind(struct device *dev) | |
558 | { | |
559 | drm_put_dev(dev_get_drvdata(dev)); | |
560 | } | |
561 | ||
562 | static const struct component_master_ops exynos_drm_ops = { | |
563 | .add_components = exynos_drm_add_components, | |
564 | .bind = exynos_drm_bind, | |
565 | .unbind = exynos_drm_unbind, | |
1c248b7d ID |
566 | }; |
567 | ||
f37cd5e8 | 568 | static int exynos_drm_platform_probe(struct platform_device *pdev) |
1c248b7d | 569 | { |
132a5b91 JS |
570 | int ret; |
571 | ||
f37cd5e8 | 572 | pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); |
f95aeb17 | 573 | exynos_drm_driver.num_ioctls = ARRAY_SIZE(exynos_ioctls); |
f37cd5e8 ID |
574 | |
575 | #ifdef CONFIG_DRM_EXYNOS_FIMD | |
576 | ret = platform_driver_register(&fimd_driver); | |
577 | if (ret < 0) | |
578 | return ret; | |
579 | #endif | |
580 | ||
1417f109 SP |
581 | #ifdef CONFIG_DRM_EXYNOS_DP |
582 | ret = platform_driver_register(&dp_driver); | |
583 | if (ret < 0) | |
f37cd5e8 | 584 | goto err_unregister_fimd_drv; |
1417f109 SP |
585 | #endif |
586 | ||
7eb8f069 AH |
587 | #ifdef CONFIG_DRM_EXYNOS_DSI |
588 | ret = platform_driver_register(&dsi_driver); | |
589 | if (ret < 0) | |
121692eb | 590 | goto err_unregister_dp_drv; |
7eb8f069 AH |
591 | #endif |
592 | ||
132a5b91 | 593 | #ifdef CONFIG_DRM_EXYNOS_HDMI |
132a5b91 JS |
594 | ret = platform_driver_register(&mixer_driver); |
595 | if (ret < 0) | |
f37cd5e8 ID |
596 | goto err_unregister_dsi_drv; |
597 | ret = platform_driver_register(&hdmi_driver); | |
b73d1230 | 598 | if (ret < 0) |
121692eb | 599 | goto err_unregister_mixer_drv; |
b73d1230 ID |
600 | #endif |
601 | ||
d7f1642c JS |
602 | #ifdef CONFIG_DRM_EXYNOS_G2D |
603 | ret = platform_driver_register(&g2d_driver); | |
604 | if (ret < 0) | |
f37cd5e8 | 605 | goto err_unregister_hdmi_drv; |
d7f1642c JS |
606 | #endif |
607 | ||
16102edb EK |
608 | #ifdef CONFIG_DRM_EXYNOS_FIMC |
609 | ret = platform_driver_register(&fimc_driver); | |
610 | if (ret < 0) | |
121692eb | 611 | goto err_unregister_g2d_drv; |
16102edb EK |
612 | #endif |
613 | ||
bea8a429 EK |
614 | #ifdef CONFIG_DRM_EXYNOS_ROTATOR |
615 | ret = platform_driver_register(&rotator_driver); | |
616 | if (ret < 0) | |
121692eb | 617 | goto err_unregister_fimc_drv; |
bea8a429 EK |
618 | #endif |
619 | ||
f2646380 EK |
620 | #ifdef CONFIG_DRM_EXYNOS_GSC |
621 | ret = platform_driver_register(&gsc_driver); | |
622 | if (ret < 0) | |
121692eb | 623 | goto err_unregister_rotator_drv; |
f2646380 EK |
624 | #endif |
625 | ||
cb471f14 EK |
626 | #ifdef CONFIG_DRM_EXYNOS_IPP |
627 | ret = platform_driver_register(&ipp_driver); | |
628 | if (ret < 0) | |
121692eb | 629 | goto err_unregister_gsc_drv; |
43f41900 SWK |
630 | |
631 | ret = exynos_platform_device_ipp_register(); | |
632 | if (ret < 0) | |
121692eb | 633 | goto err_unregister_ipp_drv; |
cb471f14 EK |
634 | #endif |
635 | ||
f37cd5e8 | 636 | ret = component_master_add(&pdev->dev, &exynos_drm_ops); |
132a5b91 | 637 | if (ret < 0) |
f37cd5e8 | 638 | DRM_DEBUG_KMS("re-tried by last sub driver probed later.\n"); |
132a5b91 JS |
639 | |
640 | return 0; | |
641 | ||
cb471f14 | 642 | #ifdef CONFIG_DRM_EXYNOS_IPP |
121692eb | 643 | err_unregister_ipp_drv: |
cb471f14 | 644 | platform_driver_unregister(&ipp_driver); |
121692eb | 645 | err_unregister_gsc_drv: |
cb471f14 EK |
646 | #endif |
647 | ||
f2646380 EK |
648 | #ifdef CONFIG_DRM_EXYNOS_GSC |
649 | platform_driver_unregister(&gsc_driver); | |
121692eb | 650 | err_unregister_rotator_drv: |
f2646380 EK |
651 | #endif |
652 | ||
bea8a429 EK |
653 | #ifdef CONFIG_DRM_EXYNOS_ROTATOR |
654 | platform_driver_unregister(&rotator_driver); | |
121692eb | 655 | err_unregister_fimc_drv: |
bea8a429 EK |
656 | #endif |
657 | ||
16102edb EK |
658 | #ifdef CONFIG_DRM_EXYNOS_FIMC |
659 | platform_driver_unregister(&fimc_driver); | |
121692eb | 660 | err_unregister_g2d_drv: |
16102edb EK |
661 | #endif |
662 | ||
d7f1642c JS |
663 | #ifdef CONFIG_DRM_EXYNOS_G2D |
664 | platform_driver_unregister(&g2d_driver); | |
f37cd5e8 | 665 | err_unregister_hdmi_drv: |
b73d1230 ID |
666 | #endif |
667 | ||
132a5b91 | 668 | #ifdef CONFIG_DRM_EXYNOS_HDMI |
132a5b91 | 669 | platform_driver_unregister(&hdmi_driver); |
f37cd5e8 ID |
670 | err_unregister_mixer_drv: |
671 | platform_driver_unregister(&mixer_driver); | |
121692eb | 672 | err_unregister_dsi_drv: |
1417f109 | 673 | #endif |
25928a39 | 674 | |
7eb8f069 AH |
675 | #ifdef CONFIG_DRM_EXYNOS_DSI |
676 | platform_driver_unregister(&dsi_driver); | |
121692eb | 677 | err_unregister_dp_drv: |
7eb8f069 AH |
678 | #endif |
679 | ||
1417f109 SP |
680 | #ifdef CONFIG_DRM_EXYNOS_DP |
681 | platform_driver_unregister(&dp_driver); | |
f37cd5e8 ID |
682 | err_unregister_fimd_drv: |
683 | #endif | |
684 | ||
685 | #ifdef CONFIG_DRM_EXYNOS_FIMD | |
686 | platform_driver_unregister(&fimd_driver); | |
132a5b91 JS |
687 | #endif |
688 | return ret; | |
1c248b7d ID |
689 | } |
690 | ||
f37cd5e8 | 691 | static int exynos_drm_platform_remove(struct platform_device *pdev) |
1c248b7d | 692 | { |
cb471f14 | 693 | #ifdef CONFIG_DRM_EXYNOS_IPP |
43f41900 | 694 | exynos_platform_device_ipp_unregister(); |
cb471f14 EK |
695 | platform_driver_unregister(&ipp_driver); |
696 | #endif | |
697 | ||
f2646380 EK |
698 | #ifdef CONFIG_DRM_EXYNOS_GSC |
699 | platform_driver_unregister(&gsc_driver); | |
700 | #endif | |
701 | ||
bea8a429 EK |
702 | #ifdef CONFIG_DRM_EXYNOS_ROTATOR |
703 | platform_driver_unregister(&rotator_driver); | |
704 | #endif | |
705 | ||
16102edb EK |
706 | #ifdef CONFIG_DRM_EXYNOS_FIMC |
707 | platform_driver_unregister(&fimc_driver); | |
708 | #endif | |
709 | ||
d7f1642c JS |
710 | #ifdef CONFIG_DRM_EXYNOS_G2D |
711 | platform_driver_unregister(&g2d_driver); | |
712 | #endif | |
713 | ||
132a5b91 | 714 | #ifdef CONFIG_DRM_EXYNOS_HDMI |
132a5b91 JS |
715 | platform_driver_unregister(&mixer_driver); |
716 | platform_driver_unregister(&hdmi_driver); | |
717 | #endif | |
718 | ||
719 | #ifdef CONFIG_DRM_EXYNOS_FIMD | |
720 | platform_driver_unregister(&fimd_driver); | |
721 | #endif | |
1417f109 | 722 | |
7eb8f069 AH |
723 | #ifdef CONFIG_DRM_EXYNOS_DSI |
724 | platform_driver_unregister(&dsi_driver); | |
725 | #endif | |
726 | ||
1417f109 SP |
727 | #ifdef CONFIG_DRM_EXYNOS_DP |
728 | platform_driver_unregister(&dp_driver); | |
729 | #endif | |
f37cd5e8 ID |
730 | component_master_del(&pdev->dev, &exynos_drm_ops); |
731 | return 0; | |
732 | } | |
733 | ||
734 | static struct platform_driver exynos_drm_platform_driver = { | |
735 | .probe = exynos_drm_platform_probe, | |
736 | .remove = exynos_drm_platform_remove, | |
737 | .driver = { | |
738 | .owner = THIS_MODULE, | |
739 | .name = "exynos-drm", | |
740 | .pm = &exynos_drm_pm_ops, | |
741 | }, | |
742 | }; | |
743 | ||
744 | static int exynos_drm_init(void) | |
745 | { | |
746 | int ret; | |
747 | ||
748 | exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1, | |
749 | NULL, 0); | |
750 | if (IS_ERR(exynos_drm_pdev)) | |
751 | return PTR_ERR(exynos_drm_pdev); | |
752 | ||
753 | #ifdef CONFIG_DRM_EXYNOS_VIDI | |
754 | ret = exynos_drm_probe_vidi(); | |
755 | if (ret < 0) | |
756 | goto err_unregister_pd; | |
757 | #endif | |
758 | ||
759 | ret = platform_driver_register(&exynos_drm_platform_driver); | |
760 | if (ret) | |
761 | goto err_remove_vidi; | |
762 | ||
763 | return 0; | |
764 | ||
f37cd5e8 ID |
765 | err_remove_vidi: |
766 | #ifdef CONFIG_DRM_EXYNOS_VIDI | |
767 | exynos_drm_remove_vidi(); | |
0013fc9e SK |
768 | |
769 | err_unregister_pd: | |
f37cd5e8 | 770 | #endif |
0013fc9e | 771 | platform_device_unregister(exynos_drm_pdev); |
f37cd5e8 ID |
772 | |
773 | return ret; | |
774 | } | |
775 | ||
776 | static void exynos_drm_exit(void) | |
777 | { | |
0013fc9e | 778 | platform_driver_unregister(&exynos_drm_platform_driver); |
f37cd5e8 ID |
779 | #ifdef CONFIG_DRM_EXYNOS_VIDI |
780 | exynos_drm_remove_vidi(); | |
781 | #endif | |
782 | platform_device_unregister(exynos_drm_pdev); | |
1c248b7d ID |
783 | } |
784 | ||
785 | module_init(exynos_drm_init); | |
786 | module_exit(exynos_drm_exit); | |
787 | ||
788 | MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); | |
789 | MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); | |
790 | MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>"); | |
791 | MODULE_DESCRIPTION("Samsung SoC DRM Driver"); | |
792 | MODULE_LICENSE("GPL"); |