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