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 | |
f37cd5e8 | 18 | #include <linux/component.h> |
96f54215 | 19 | |
1c248b7d ID |
20 | #include <drm/exynos_drm.h> |
21 | ||
22 | #include "exynos_drm_drv.h" | |
23 | #include "exynos_drm_crtc.h" | |
d081f566 | 24 | #include "exynos_drm_encoder.h" |
1c248b7d ID |
25 | #include "exynos_drm_fbdev.h" |
26 | #include "exynos_drm_fb.h" | |
27 | #include "exynos_drm_gem.h" | |
864ee9e6 | 28 | #include "exynos_drm_plane.h" |
b73d1230 | 29 | #include "exynos_drm_vidi.h" |
b2df26c1 | 30 | #include "exynos_drm_dmabuf.h" |
d7f1642c | 31 | #include "exynos_drm_g2d.h" |
cb471f14 | 32 | #include "exynos_drm_ipp.h" |
0519f9a1 | 33 | #include "exynos_drm_iommu.h" |
1c248b7d | 34 | |
0edf9936 | 35 | #define DRIVER_NAME "exynos" |
1c248b7d ID |
36 | #define DRIVER_DESC "Samsung SoC DRM" |
37 | #define DRIVER_DATE "20110530" | |
38 | #define DRIVER_MAJOR 1 | |
39 | #define DRIVER_MINOR 0 | |
40 | ||
422bd00e RS |
41 | static struct platform_device *exynos_drm_pdev; |
42 | ||
f37cd5e8 ID |
43 | static DEFINE_MUTEX(drm_component_lock); |
44 | static LIST_HEAD(drm_component_list); | |
45 | ||
46 | struct component_dev { | |
47 | struct list_head list; | |
df5225bc ID |
48 | struct device *crtc_dev; |
49 | struct device *conn_dev; | |
50 | enum exynos_drm_output_type out_type; | |
51 | unsigned int dev_type_flag; | |
f37cd5e8 ID |
52 | }; |
53 | ||
1c248b7d ID |
54 | static int exynos_drm_load(struct drm_device *dev, unsigned long flags) |
55 | { | |
56 | struct exynos_drm_private *private; | |
57 | int ret; | |
1c248b7d | 58 | |
1c248b7d | 59 | private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL); |
38bb5253 | 60 | if (!private) |
1c248b7d | 61 | return -ENOMEM; |
1c248b7d | 62 | |
af65c804 | 63 | dev_set_drvdata(dev->dev, dev); |
1c248b7d ID |
64 | dev->dev_private = (void *)private; |
65 | ||
0519f9a1 ID |
66 | /* |
67 | * create mapping to manage iommu table and set a pointer to iommu | |
68 | * mapping structure to iommu_mapping of private data. | |
69 | * also this iommu_mapping can be used to check if iommu is supported | |
70 | * or not. | |
71 | */ | |
72 | ret = drm_create_iommu_mapping(dev); | |
73 | if (ret < 0) { | |
74 | DRM_ERROR("failed to create iommu mapping.\n"); | |
d2ba65f6 | 75 | goto err_free_private; |
0519f9a1 ID |
76 | } |
77 | ||
1c248b7d ID |
78 | drm_mode_config_init(dev); |
79 | ||
80 | exynos_drm_mode_config_init(dev); | |
81 | ||
d081f566 ID |
82 | /* setup possible_clones. */ |
83 | exynos_drm_encoder_setup(dev); | |
84 | ||
a9a346d6 DV |
85 | platform_set_drvdata(dev->platformdev, dev); |
86 | ||
f37cd5e8 ID |
87 | /* Try to bind all sub drivers. */ |
88 | ret = component_bind_all(dev->dev, dev); | |
89 | if (ret) | |
c52142e6 AH |
90 | goto err_mode_config_cleanup; |
91 | ||
92 | ret = drm_vblank_init(dev, dev->mode_config.num_crtc); | |
93 | if (ret) | |
94 | goto err_unbind_all; | |
f37cd5e8 | 95 | |
d1afe7d4 | 96 | /* Probe non kms sub drivers and virtual display driver. */ |
f37cd5e8 ID |
97 | ret = exynos_drm_device_subdrv_probe(dev); |
98 | if (ret) | |
c52142e6 | 99 | goto err_cleanup_vblank; |
f37cd5e8 | 100 | |
4ea9526b GP |
101 | drm_mode_config_reset(dev); |
102 | ||
4a3ffedd JS |
103 | /* |
104 | * enable drm irq mode. | |
105 | * - with irq_enabled = true, we can use the vblank feature. | |
106 | * | |
107 | * P.S. note that we wouldn't use drm irq handler but | |
108 | * just specific driver own one instead because | |
109 | * drm framework supports only one irq handler. | |
110 | */ | |
111 | dev->irq_enabled = true; | |
112 | ||
113 | /* | |
114 | * with vblank_disable_allowed = true, vblank interrupt will be disabled | |
115 | * by drm timer once a current process gives up ownership of | |
116 | * vblank event.(after drm_vblank_put function is called) | |
117 | */ | |
118 | dev->vblank_disable_allowed = true; | |
119 | ||
3cb6830a AH |
120 | /* init kms poll for handling hpd */ |
121 | drm_kms_helper_poll_init(dev); | |
122 | ||
123 | /* force connectors detection */ | |
124 | drm_helper_hpd_irq_event(dev); | |
125 | ||
1c248b7d ID |
126 | return 0; |
127 | ||
f37cd5e8 | 128 | err_cleanup_vblank: |
1c248b7d | 129 | drm_vblank_cleanup(dev); |
c52142e6 AH |
130 | err_unbind_all: |
131 | component_unbind_all(dev->dev, dev); | |
080be03d SP |
132 | err_mode_config_cleanup: |
133 | drm_mode_config_cleanup(dev); | |
0519f9a1 | 134 | drm_release_iommu_mapping(dev); |
d2ba65f6 | 135 | err_free_private: |
1c248b7d ID |
136 | kfree(private); |
137 | ||
138 | return ret; | |
139 | } | |
140 | ||
141 | static int exynos_drm_unload(struct drm_device *dev) | |
142 | { | |
f37cd5e8 ID |
143 | exynos_drm_device_subdrv_remove(dev); |
144 | ||
1c248b7d | 145 | exynos_drm_fbdev_fini(dev); |
7db3eba6 | 146 | drm_kms_helper_poll_fini(dev); |
0519f9a1 | 147 | |
9f3dd7db | 148 | drm_vblank_cleanup(dev); |
c52142e6 | 149 | component_unbind_all(dev->dev, dev); |
9f3dd7db | 150 | drm_mode_config_cleanup(dev); |
0519f9a1 | 151 | drm_release_iommu_mapping(dev); |
1c248b7d | 152 | |
9f3dd7db | 153 | kfree(dev->dev_private); |
1c248b7d ID |
154 | dev->dev_private = NULL; |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
af65c804 SP |
159 | static int exynos_drm_suspend(struct drm_device *dev, pm_message_t state) |
160 | { | |
161 | struct drm_connector *connector; | |
162 | ||
163 | drm_modeset_lock_all(dev); | |
164 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
165 | int old_dpms = connector->dpms; | |
166 | ||
167 | if (connector->funcs->dpms) | |
168 | connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF); | |
169 | ||
170 | /* Set the old mode back to the connector for resume */ | |
171 | connector->dpms = old_dpms; | |
172 | } | |
173 | drm_modeset_unlock_all(dev); | |
174 | ||
175 | return 0; | |
176 | } | |
177 | ||
178 | static int exynos_drm_resume(struct drm_device *dev) | |
179 | { | |
180 | struct drm_connector *connector; | |
181 | ||
182 | drm_modeset_lock_all(dev); | |
183 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
74cfe07a AH |
184 | if (connector->funcs->dpms) { |
185 | int dpms = connector->dpms; | |
186 | ||
187 | connector->dpms = DRM_MODE_DPMS_OFF; | |
188 | connector->funcs->dpms(connector, dpms); | |
189 | } | |
af65c804 | 190 | } |
a16f223e | 191 | drm_modeset_unlock_all(dev); |
af65c804 | 192 | |
af65c804 SP |
193 | return 0; |
194 | } | |
195 | ||
9084f7b8 JS |
196 | static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) |
197 | { | |
d7f1642c | 198 | struct drm_exynos_file_private *file_priv; |
ba3706c0 | 199 | int ret; |
d7f1642c | 200 | |
d7f1642c JS |
201 | file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); |
202 | if (!file_priv) | |
203 | return -ENOMEM; | |
204 | ||
d7f1642c | 205 | file->driver_priv = file_priv; |
b2df26c1 | 206 | |
ba3706c0 | 207 | ret = exynos_drm_subdrv_open(dev, file); |
6ca605f7 | 208 | if (ret) |
307ceaff | 209 | goto err_file_priv_free; |
ba3706c0 | 210 | |
6ca605f7 | 211 | return ret; |
307ceaff | 212 | |
307ceaff | 213 | err_file_priv_free: |
6ca605f7 SK |
214 | kfree(file_priv); |
215 | file->driver_priv = NULL; | |
ba3706c0 | 216 | return ret; |
9084f7b8 JS |
217 | } |
218 | ||
ccf4d883 | 219 | static void exynos_drm_preclose(struct drm_device *dev, |
6f811502 | 220 | struct drm_file *file) |
0cbc330e ID |
221 | { |
222 | exynos_drm_subdrv_close(dev, file); | |
223 | } | |
224 | ||
225 | static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) | |
ccf4d883 | 226 | { |
0cbc330e | 227 | struct drm_pending_event *e, *et; |
3ab09435 JS |
228 | unsigned long flags; |
229 | ||
0cbc330e ID |
230 | if (!file->driver_priv) |
231 | return; | |
232 | ||
3ab09435 | 233 | spin_lock_irqsave(&dev->event_lock, flags); |
0cbc330e ID |
234 | /* Release all events handled by page flip handler but not freed. */ |
235 | list_for_each_entry_safe(e, et, &file->event_list, link) { | |
236 | list_del(&e->link); | |
237 | e->destroy(e); | |
238 | } | |
239 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
ccf4d883 | 240 | |
53ef299f ID |
241 | kfree(file->driver_priv); |
242 | file->driver_priv = NULL; | |
243 | } | |
244 | ||
1c248b7d ID |
245 | static void exynos_drm_lastclose(struct drm_device *dev) |
246 | { | |
1c248b7d ID |
247 | exynos_drm_fbdev_restore_mode(dev); |
248 | } | |
249 | ||
78b68556 | 250 | static const struct vm_operations_struct exynos_drm_gem_vm_ops = { |
1c248b7d ID |
251 | .fault = exynos_drm_gem_fault, |
252 | .open = drm_gem_vm_open, | |
253 | .close = drm_gem_vm_close, | |
254 | }; | |
255 | ||
baa70943 | 256 | static const struct drm_ioctl_desc exynos_ioctls[] = { |
1c248b7d ID |
257 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl, |
258 | DRM_UNLOCKED | DRM_AUTH), | |
40cd7e0c ID |
259 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, |
260 | exynos_drm_gem_get_ioctl, DRM_UNLOCKED), | |
b73d1230 ID |
261 | DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, |
262 | vidi_connection_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
d7f1642c JS |
263 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER, |
264 | exynos_g2d_get_ver_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
265 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST, | |
266 | exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
267 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, | |
268 | exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH), | |
cb471f14 EK |
269 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY, |
270 | exynos_drm_ipp_get_property, DRM_UNLOCKED | DRM_AUTH), | |
271 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY, | |
272 | exynos_drm_ipp_set_property, DRM_UNLOCKED | DRM_AUTH), | |
273 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF, | |
274 | exynos_drm_ipp_queue_buf, DRM_UNLOCKED | DRM_AUTH), | |
275 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL, | |
276 | exynos_drm_ipp_cmd_ctrl, DRM_UNLOCKED | DRM_AUTH), | |
1c248b7d ID |
277 | }; |
278 | ||
ac2bdf73 JS |
279 | static const struct file_operations exynos_drm_driver_fops = { |
280 | .owner = THIS_MODULE, | |
281 | .open = drm_open, | |
282 | .mmap = exynos_drm_gem_mmap, | |
283 | .poll = drm_poll, | |
284 | .read = drm_read, | |
285 | .unlocked_ioctl = drm_ioctl, | |
804d74ab KP |
286 | #ifdef CONFIG_COMPAT |
287 | .compat_ioctl = drm_compat_ioctl, | |
288 | #endif | |
ac2bdf73 JS |
289 | .release = drm_release, |
290 | }; | |
291 | ||
1c248b7d | 292 | static struct drm_driver exynos_drm_driver = { |
be9b64a8 | 293 | .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME, |
1c248b7d ID |
294 | .load = exynos_drm_load, |
295 | .unload = exynos_drm_unload, | |
af65c804 SP |
296 | .suspend = exynos_drm_suspend, |
297 | .resume = exynos_drm_resume, | |
9084f7b8 | 298 | .open = exynos_drm_open, |
ccf4d883 | 299 | .preclose = exynos_drm_preclose, |
1c248b7d | 300 | .lastclose = exynos_drm_lastclose, |
53ef299f | 301 | .postclose = exynos_drm_postclose, |
915b4d11 | 302 | .set_busid = drm_platform_set_busid, |
1c248b7d ID |
303 | .get_vblank_counter = drm_vblank_count, |
304 | .enable_vblank = exynos_drm_crtc_enable_vblank, | |
305 | .disable_vblank = exynos_drm_crtc_disable_vblank, | |
1c248b7d ID |
306 | .gem_free_object = exynos_drm_gem_free_object, |
307 | .gem_vm_ops = &exynos_drm_gem_vm_ops, | |
308 | .dumb_create = exynos_drm_gem_dumb_create, | |
309 | .dumb_map_offset = exynos_drm_gem_dumb_map_offset, | |
43387b37 | 310 | .dumb_destroy = drm_gem_dumb_destroy, |
b2df26c1 ID |
311 | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, |
312 | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, | |
313 | .gem_prime_export = exynos_dmabuf_prime_export, | |
314 | .gem_prime_import = exynos_dmabuf_prime_import, | |
1c248b7d | 315 | .ioctls = exynos_ioctls, |
baa70943 | 316 | .num_ioctls = ARRAY_SIZE(exynos_ioctls), |
ac2bdf73 | 317 | .fops = &exynos_drm_driver_fops, |
1c248b7d ID |
318 | .name = DRIVER_NAME, |
319 | .desc = DRIVER_DESC, | |
320 | .date = DRIVER_DATE, | |
321 | .major = DRIVER_MAJOR, | |
322 | .minor = DRIVER_MINOR, | |
323 | }; | |
324 | ||
af65c804 SP |
325 | #ifdef CONFIG_PM_SLEEP |
326 | static int exynos_drm_sys_suspend(struct device *dev) | |
327 | { | |
328 | struct drm_device *drm_dev = dev_get_drvdata(dev); | |
329 | pm_message_t message; | |
330 | ||
d50a1907 | 331 | if (pm_runtime_suspended(dev) || !drm_dev) |
af65c804 SP |
332 | return 0; |
333 | ||
334 | message.event = PM_EVENT_SUSPEND; | |
335 | return exynos_drm_suspend(drm_dev, message); | |
336 | } | |
337 | ||
338 | static int exynos_drm_sys_resume(struct device *dev) | |
339 | { | |
340 | struct drm_device *drm_dev = dev_get_drvdata(dev); | |
341 | ||
d50a1907 | 342 | if (pm_runtime_suspended(dev) || !drm_dev) |
af65c804 SP |
343 | return 0; |
344 | ||
345 | return exynos_drm_resume(drm_dev); | |
346 | } | |
347 | #endif | |
348 | ||
af65c804 SP |
349 | static const struct dev_pm_ops exynos_drm_pm_ops = { |
350 | SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_sys_suspend, exynos_drm_sys_resume) | |
af65c804 SP |
351 | }; |
352 | ||
f37cd5e8 | 353 | int exynos_drm_component_add(struct device *dev, |
df5225bc ID |
354 | enum exynos_drm_device_type dev_type, |
355 | enum exynos_drm_output_type out_type) | |
f37cd5e8 ID |
356 | { |
357 | struct component_dev *cdev; | |
df5225bc ID |
358 | |
359 | if (dev_type != EXYNOS_DEVICE_TYPE_CRTC && | |
360 | dev_type != EXYNOS_DEVICE_TYPE_CONNECTOR) { | |
361 | DRM_ERROR("invalid device type.\n"); | |
362 | return -EINVAL; | |
363 | } | |
364 | ||
365 | mutex_lock(&drm_component_lock); | |
366 | ||
367 | /* | |
368 | * Make sure to check if there is a component which has two device | |
369 | * objects, for connector and for encoder/connector. | |
370 | * It should make sure that crtc and encoder/connector drivers are | |
371 | * ready before exynos drm core binds them. | |
372 | */ | |
373 | list_for_each_entry(cdev, &drm_component_list, list) { | |
374 | if (cdev->out_type == out_type) { | |
375 | /* | |
376 | * If crtc and encoder/connector device objects are | |
377 | * added already just return. | |
378 | */ | |
379 | if (cdev->dev_type_flag == (EXYNOS_DEVICE_TYPE_CRTC | | |
380 | EXYNOS_DEVICE_TYPE_CONNECTOR)) { | |
381 | mutex_unlock(&drm_component_lock); | |
382 | return 0; | |
383 | } | |
384 | ||
385 | if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) { | |
386 | cdev->crtc_dev = dev; | |
387 | cdev->dev_type_flag |= dev_type; | |
388 | } | |
389 | ||
390 | if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) { | |
391 | cdev->conn_dev = dev; | |
392 | cdev->dev_type_flag |= dev_type; | |
393 | } | |
394 | ||
395 | mutex_unlock(&drm_component_lock); | |
396 | return 0; | |
397 | } | |
398 | } | |
399 | ||
400 | mutex_unlock(&drm_component_lock); | |
f37cd5e8 ID |
401 | |
402 | cdev = kzalloc(sizeof(*cdev), GFP_KERNEL); | |
403 | if (!cdev) | |
404 | return -ENOMEM; | |
405 | ||
df5225bc ID |
406 | if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) |
407 | cdev->crtc_dev = dev; | |
408 | if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) | |
409 | cdev->conn_dev = dev; | |
f37cd5e8 | 410 | |
df5225bc ID |
411 | cdev->out_type = out_type; |
412 | cdev->dev_type_flag = dev_type; | |
f37cd5e8 ID |
413 | |
414 | mutex_lock(&drm_component_lock); | |
415 | list_add_tail(&cdev->list, &drm_component_list); | |
416 | mutex_unlock(&drm_component_lock); | |
417 | ||
418 | return 0; | |
419 | } | |
420 | ||
421 | void exynos_drm_component_del(struct device *dev, | |
df5225bc | 422 | enum exynos_drm_device_type dev_type) |
f37cd5e8 ID |
423 | { |
424 | struct component_dev *cdev, *next; | |
425 | ||
426 | mutex_lock(&drm_component_lock); | |
427 | ||
428 | list_for_each_entry_safe(cdev, next, &drm_component_list, list) { | |
df5225bc ID |
429 | if (dev_type == EXYNOS_DEVICE_TYPE_CRTC) { |
430 | if (cdev->crtc_dev == dev) { | |
431 | cdev->crtc_dev = NULL; | |
432 | cdev->dev_type_flag &= ~dev_type; | |
433 | } | |
434 | } | |
435 | ||
436 | if (dev_type == EXYNOS_DEVICE_TYPE_CONNECTOR) { | |
437 | if (cdev->conn_dev == dev) { | |
438 | cdev->conn_dev = NULL; | |
439 | cdev->dev_type_flag &= ~dev_type; | |
440 | } | |
441 | } | |
442 | ||
443 | /* | |
444 | * Release cdev object only in case that both of crtc and | |
445 | * encoder/connector device objects are NULL. | |
446 | */ | |
447 | if (!cdev->crtc_dev && !cdev->conn_dev) { | |
f37cd5e8 ID |
448 | list_del(&cdev->list); |
449 | kfree(cdev); | |
f37cd5e8 ID |
450 | } |
451 | } | |
452 | ||
453 | mutex_unlock(&drm_component_lock); | |
f37cd5e8 ID |
454 | } |
455 | ||
53c5558d | 456 | static int compare_dev(struct device *dev, void *data) |
f37cd5e8 ID |
457 | { |
458 | return dev == (struct device *)data; | |
459 | } | |
460 | ||
53c5558d | 461 | static struct component_match *exynos_drm_match_add(struct device *dev) |
f37cd5e8 | 462 | { |
53c5558d | 463 | struct component_match *match = NULL; |
f37cd5e8 | 464 | struct component_dev *cdev; |
df5225bc | 465 | unsigned int attach_cnt = 0; |
f37cd5e8 ID |
466 | |
467 | mutex_lock(&drm_component_lock); | |
468 | ||
f7c2f36f ID |
469 | /* Do not retry to probe if there is no any kms driver regitered. */ |
470 | if (list_empty(&drm_component_list)) { | |
471 | mutex_unlock(&drm_component_lock); | |
472 | return ERR_PTR(-ENODEV); | |
473 | } | |
474 | ||
f37cd5e8 | 475 | list_for_each_entry(cdev, &drm_component_list, list) { |
df5225bc ID |
476 | /* |
477 | * Add components to master only in case that crtc and | |
478 | * encoder/connector device objects exist. | |
479 | */ | |
480 | if (!cdev->crtc_dev || !cdev->conn_dev) | |
481 | continue; | |
482 | ||
483 | attach_cnt++; | |
484 | ||
f37cd5e8 ID |
485 | mutex_unlock(&drm_component_lock); |
486 | ||
df5225bc ID |
487 | /* |
488 | * fimd and dpi modules have same device object so add | |
489 | * only crtc device object in this case. | |
df5225bc ID |
490 | */ |
491 | if (cdev->crtc_dev == cdev->conn_dev) { | |
53c5558d ID |
492 | component_match_add(dev, &match, compare_dev, |
493 | cdev->crtc_dev); | |
df5225bc ID |
494 | goto out_lock; |
495 | } | |
f37cd5e8 | 496 | |
df5225bc ID |
497 | /* |
498 | * Do not chage below call order. | |
499 | * crtc device first should be added to master because | |
500 | * connector/encoder need pipe number of crtc when they | |
501 | * are created. | |
502 | */ | |
53c5558d ID |
503 | component_match_add(dev, &match, compare_dev, cdev->crtc_dev); |
504 | component_match_add(dev, &match, compare_dev, cdev->conn_dev); | |
df5225bc ID |
505 | |
506 | out_lock: | |
f37cd5e8 ID |
507 | mutex_lock(&drm_component_lock); |
508 | } | |
509 | ||
510 | mutex_unlock(&drm_component_lock); | |
511 | ||
53c5558d | 512 | return attach_cnt ? match : ERR_PTR(-EPROBE_DEFER); |
f37cd5e8 ID |
513 | } |
514 | ||
515 | static int exynos_drm_bind(struct device *dev) | |
516 | { | |
f37cd5e8 ID |
517 | return drm_platform_init(&exynos_drm_driver, to_platform_device(dev)); |
518 | } | |
519 | ||
520 | static void exynos_drm_unbind(struct device *dev) | |
521 | { | |
522 | drm_put_dev(dev_get_drvdata(dev)); | |
523 | } | |
524 | ||
525 | static const struct component_master_ops exynos_drm_ops = { | |
f37cd5e8 ID |
526 | .bind = exynos_drm_bind, |
527 | .unbind = exynos_drm_unbind, | |
1c248b7d ID |
528 | }; |
529 | ||
72390677 | 530 | static struct platform_driver *const exynos_drm_kms_drivers[] = { |
f37cd5e8 | 531 | #ifdef CONFIG_DRM_EXYNOS_FIMD |
72390677 | 532 | &fimd_driver, |
f37cd5e8 | 533 | #endif |
96976c3d AK |
534 | #ifdef CONFIG_DRM_EXYNOS7_DECON |
535 | &decon_driver, | |
536 | #endif | |
1417f109 | 537 | #ifdef CONFIG_DRM_EXYNOS_DP |
72390677 | 538 | &dp_driver, |
1417f109 | 539 | #endif |
7eb8f069 | 540 | #ifdef CONFIG_DRM_EXYNOS_DSI |
72390677 | 541 | &dsi_driver, |
7eb8f069 | 542 | #endif |
132a5b91 | 543 | #ifdef CONFIG_DRM_EXYNOS_HDMI |
72390677 AH |
544 | &mixer_driver, |
545 | &hdmi_driver, | |
b73d1230 | 546 | #endif |
72390677 | 547 | }; |
b73d1230 | 548 | |
72390677 | 549 | static struct platform_driver *const exynos_drm_non_kms_drivers[] = { |
d7f1642c | 550 | #ifdef CONFIG_DRM_EXYNOS_G2D |
72390677 | 551 | &g2d_driver, |
d7f1642c | 552 | #endif |
16102edb | 553 | #ifdef CONFIG_DRM_EXYNOS_FIMC |
72390677 | 554 | &fimc_driver, |
16102edb | 555 | #endif |
bea8a429 | 556 | #ifdef CONFIG_DRM_EXYNOS_ROTATOR |
72390677 | 557 | &rotator_driver, |
bea8a429 | 558 | #endif |
f2646380 | 559 | #ifdef CONFIG_DRM_EXYNOS_GSC |
72390677 | 560 | &gsc_driver, |
cb471f14 | 561 | #endif |
cb471f14 | 562 | #ifdef CONFIG_DRM_EXYNOS_IPP |
72390677 | 563 | &ipp_driver, |
f2646380 | 564 | #endif |
72390677 | 565 | }; |
f2646380 | 566 | |
72390677 AH |
567 | static int exynos_drm_platform_probe(struct platform_device *pdev) |
568 | { | |
569 | struct component_match *match; | |
25928a39 | 570 | |
72390677 AH |
571 | pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); |
572 | exynos_drm_driver.num_ioctls = ARRAY_SIZE(exynos_ioctls); | |
7eb8f069 | 573 | |
72390677 AH |
574 | match = exynos_drm_match_add(&pdev->dev); |
575 | if (IS_ERR(match)) { | |
820687be | 576 | return PTR_ERR(match); |
72390677 | 577 | } |
f37cd5e8 | 578 | |
820687be GP |
579 | return component_master_add_with_match(&pdev->dev, &exynos_drm_ops, |
580 | match); | |
1c248b7d ID |
581 | } |
582 | ||
f37cd5e8 | 583 | static int exynos_drm_platform_remove(struct platform_device *pdev) |
1c248b7d | 584 | { |
f37cd5e8 ID |
585 | component_master_del(&pdev->dev, &exynos_drm_ops); |
586 | return 0; | |
587 | } | |
588 | ||
4846e452 ID |
589 | static const char * const strings[] = { |
590 | "samsung,exynos3", | |
591 | "samsung,exynos4", | |
592 | "samsung,exynos5", | |
96976c3d | 593 | "samsung,exynos7", |
4846e452 ID |
594 | }; |
595 | ||
f37cd5e8 ID |
596 | static struct platform_driver exynos_drm_platform_driver = { |
597 | .probe = exynos_drm_platform_probe, | |
598 | .remove = exynos_drm_platform_remove, | |
599 | .driver = { | |
f37cd5e8 ID |
600 | .name = "exynos-drm", |
601 | .pm = &exynos_drm_pm_ops, | |
602 | }, | |
603 | }; | |
604 | ||
605 | static int exynos_drm_init(void) | |
606 | { | |
4846e452 | 607 | bool is_exynos = false; |
820687be | 608 | int ret, i, j; |
f37cd5e8 | 609 | |
5cbb37df ID |
610 | /* |
611 | * Register device object only in case of Exynos SoC. | |
612 | * | |
613 | * Below codes resolves temporarily infinite loop issue incurred | |
614 | * by Exynos drm driver when using multi-platform kernel. | |
615 | * So these codes will be replaced with more generic way later. | |
616 | */ | |
4846e452 ID |
617 | for (i = 0; i < ARRAY_SIZE(strings); i++) { |
618 | if (of_machine_is_compatible(strings[i])) { | |
619 | is_exynos = true; | |
620 | break; | |
621 | } | |
622 | } | |
623 | ||
624 | if (!is_exynos) | |
5cbb37df | 625 | return -ENODEV; |
f37cd5e8 ID |
626 | |
627 | exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1, | |
628 | NULL, 0); | |
629 | if (IS_ERR(exynos_drm_pdev)) | |
630 | return PTR_ERR(exynos_drm_pdev); | |
631 | ||
f37cd5e8 ID |
632 | ret = exynos_drm_probe_vidi(); |
633 | if (ret < 0) | |
634 | goto err_unregister_pd; | |
f37cd5e8 | 635 | |
820687be GP |
636 | for (i = 0; i < ARRAY_SIZE(exynos_drm_kms_drivers); ++i) { |
637 | ret = platform_driver_register(exynos_drm_kms_drivers[i]); | |
638 | if (ret < 0) | |
639 | goto err_unregister_kms_drivers; | |
640 | } | |
641 | ||
642 | for (j = 0; j < ARRAY_SIZE(exynos_drm_non_kms_drivers); ++j) { | |
643 | ret = platform_driver_register(exynos_drm_non_kms_drivers[j]); | |
644 | if (ret < 0) | |
645 | goto err_unregister_non_kms_drivers; | |
646 | } | |
647 | ||
648 | #ifdef CONFIG_DRM_EXYNOS_IPP | |
649 | ret = exynos_platform_device_ipp_register(); | |
650 | if (ret < 0) | |
651 | goto err_unregister_non_kms_drivers; | |
f37cd5e8 ID |
652 | #endif |
653 | ||
654 | ret = platform_driver_register(&exynos_drm_platform_driver); | |
655 | if (ret) | |
820687be | 656 | goto err_unregister_resources; |
f37cd5e8 ID |
657 | |
658 | return 0; | |
659 | ||
820687be GP |
660 | err_unregister_resources: |
661 | #ifdef CONFIG_DRM_EXYNOS_IPP | |
662 | exynos_platform_device_ipp_unregister(); | |
663 | #endif | |
664 | ||
665 | err_unregister_non_kms_drivers: | |
666 | while (--j >= 0) | |
667 | platform_driver_unregister(exynos_drm_non_kms_drivers[j]); | |
668 | ||
669 | err_unregister_kms_drivers: | |
670 | while (--i >= 0) | |
671 | platform_driver_unregister(exynos_drm_kms_drivers[i]); | |
672 | ||
f37cd5e8 | 673 | exynos_drm_remove_vidi(); |
0013fc9e SK |
674 | |
675 | err_unregister_pd: | |
0013fc9e | 676 | platform_device_unregister(exynos_drm_pdev); |
f37cd5e8 ID |
677 | |
678 | return ret; | |
679 | } | |
680 | ||
681 | static void exynos_drm_exit(void) | |
682 | { | |
820687be GP |
683 | int i; |
684 | ||
685 | #ifdef CONFIG_DRM_EXYNOS_IPP | |
686 | exynos_platform_device_ipp_unregister(); | |
687 | #endif | |
688 | ||
689 | for (i = ARRAY_SIZE(exynos_drm_non_kms_drivers) - 1; i >= 0; --i) | |
690 | platform_driver_unregister(exynos_drm_non_kms_drivers[i]); | |
691 | ||
692 | for (i = ARRAY_SIZE(exynos_drm_kms_drivers) - 1; i >= 0; --i) | |
693 | platform_driver_unregister(exynos_drm_kms_drivers[i]); | |
694 | ||
0013fc9e | 695 | platform_driver_unregister(&exynos_drm_platform_driver); |
72390677 | 696 | |
f37cd5e8 | 697 | exynos_drm_remove_vidi(); |
72390677 | 698 | |
f37cd5e8 | 699 | platform_device_unregister(exynos_drm_pdev); |
1c248b7d ID |
700 | } |
701 | ||
702 | module_init(exynos_drm_init); | |
703 | module_exit(exynos_drm_exit); | |
704 | ||
705 | MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); | |
706 | MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); | |
707 | MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>"); | |
708 | MODULE_DESCRIPTION("Samsung SoC DRM Driver"); | |
709 | MODULE_LICENSE("GPL"); |