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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 | 15 | #include <drm/drmP.h> |
a379df19 GP |
16 | #include <drm/drm_atomic.h> |
17 | #include <drm/drm_atomic_helper.h> | |
760285e7 | 18 | #include <drm/drm_crtc_helper.h> |
1c248b7d | 19 | |
f37cd5e8 | 20 | #include <linux/component.h> |
96f54215 | 21 | |
1c248b7d ID |
22 | #include <drm/exynos_drm.h> |
23 | ||
24 | #include "exynos_drm_drv.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" |
d7f1642c | 30 | #include "exynos_drm_g2d.h" |
cb471f14 | 31 | #include "exynos_drm_ipp.h" |
0519f9a1 | 32 | #include "exynos_drm_iommu.h" |
1c248b7d | 33 | |
0edf9936 | 34 | #define DRIVER_NAME "exynos" |
1c248b7d ID |
35 | #define DRIVER_DESC "Samsung SoC DRM" |
36 | #define DRIVER_DATE "20110530" | |
37 | #define DRIVER_MAJOR 1 | |
38 | #define DRIVER_MINOR 0 | |
39 | ||
38d868e4 VS |
40 | int exynos_atomic_check(struct drm_device *dev, |
41 | struct drm_atomic_state *state) | |
42 | { | |
43 | int ret; | |
44 | ||
45 | ret = drm_atomic_helper_check_modeset(dev, state); | |
46 | if (ret) | |
47 | return ret; | |
48 | ||
49 | ret = drm_atomic_normalize_zpos(dev, state); | |
50 | if (ret) | |
51 | return ret; | |
52 | ||
53 | ret = drm_atomic_helper_check_planes(dev, state); | |
54 | if (ret) | |
55 | return ret; | |
56 | ||
57 | return ret; | |
58 | } | |
59 | ||
9084f7b8 JS |
60 | static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) |
61 | { | |
d7f1642c | 62 | struct drm_exynos_file_private *file_priv; |
ba3706c0 | 63 | int ret; |
d7f1642c | 64 | |
d7f1642c JS |
65 | file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); |
66 | if (!file_priv) | |
67 | return -ENOMEM; | |
68 | ||
d7f1642c | 69 | file->driver_priv = file_priv; |
b2df26c1 | 70 | |
ba3706c0 | 71 | ret = exynos_drm_subdrv_open(dev, file); |
6ca605f7 | 72 | if (ret) |
307ceaff | 73 | goto err_file_priv_free; |
ba3706c0 | 74 | |
6ca605f7 | 75 | return ret; |
307ceaff | 76 | |
307ceaff | 77 | err_file_priv_free: |
6ca605f7 SK |
78 | kfree(file_priv); |
79 | file->driver_priv = NULL; | |
ba3706c0 | 80 | return ret; |
9084f7b8 JS |
81 | } |
82 | ||
0cbc330e | 83 | static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) |
ccf4d883 | 84 | { |
b13b4d1b | 85 | exynos_drm_subdrv_close(dev, file); |
53ef299f ID |
86 | kfree(file->driver_priv); |
87 | file->driver_priv = NULL; | |
88 | } | |
89 | ||
1c248b7d ID |
90 | static void exynos_drm_lastclose(struct drm_device *dev) |
91 | { | |
1c248b7d ID |
92 | exynos_drm_fbdev_restore_mode(dev); |
93 | } | |
94 | ||
78b68556 | 95 | static const struct vm_operations_struct exynos_drm_gem_vm_ops = { |
1c248b7d ID |
96 | .fault = exynos_drm_gem_fault, |
97 | .open = drm_gem_vm_open, | |
98 | .close = drm_gem_vm_close, | |
99 | }; | |
100 | ||
baa70943 | 101 | static const struct drm_ioctl_desc exynos_ioctls[] = { |
1c248b7d | 102 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl, |
f8c47144 | 103 | DRM_AUTH | DRM_RENDER_ALLOW), |
6564c65f JS |
104 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP, exynos_drm_gem_map_ioctl, |
105 | DRM_AUTH | DRM_RENDER_ALLOW), | |
74f230d2 | 106 | DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, exynos_drm_gem_get_ioctl, |
f8c47144 | 107 | DRM_RENDER_ALLOW), |
74f230d2 | 108 | DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, vidi_connection_ioctl, |
f8c47144 | 109 | DRM_AUTH), |
74f230d2 | 110 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER, exynos_g2d_get_ver_ioctl, |
f8c47144 | 111 | DRM_AUTH | DRM_RENDER_ALLOW), |
74f230d2 | 112 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST, exynos_g2d_set_cmdlist_ioctl, |
f8c47144 | 113 | DRM_AUTH | DRM_RENDER_ALLOW), |
74f230d2 | 114 | DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, exynos_g2d_exec_ioctl, |
f8c47144 | 115 | DRM_AUTH | DRM_RENDER_ALLOW), |
74f230d2 | 116 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY, exynos_drm_ipp_get_property, |
f8c47144 | 117 | DRM_AUTH | DRM_RENDER_ALLOW), |
74f230d2 | 118 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY, exynos_drm_ipp_set_property, |
f8c47144 | 119 | DRM_AUTH | DRM_RENDER_ALLOW), |
74f230d2 | 120 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF, exynos_drm_ipp_queue_buf, |
f8c47144 | 121 | DRM_AUTH | DRM_RENDER_ALLOW), |
74f230d2 | 122 | DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL, exynos_drm_ipp_cmd_ctrl, |
f8c47144 | 123 | DRM_AUTH | DRM_RENDER_ALLOW), |
1c248b7d ID |
124 | }; |
125 | ||
ac2bdf73 JS |
126 | static const struct file_operations exynos_drm_driver_fops = { |
127 | .owner = THIS_MODULE, | |
128 | .open = drm_open, | |
129 | .mmap = exynos_drm_gem_mmap, | |
130 | .poll = drm_poll, | |
131 | .read = drm_read, | |
132 | .unlocked_ioctl = drm_ioctl, | |
804d74ab | 133 | .compat_ioctl = drm_compat_ioctl, |
ac2bdf73 JS |
134 | .release = drm_release, |
135 | }; | |
136 | ||
1c248b7d | 137 | static struct drm_driver exynos_drm_driver = { |
c8c38ccf | 138 | .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME |
74f230d2 | 139 | | DRIVER_ATOMIC | DRIVER_RENDER, |
9084f7b8 | 140 | .open = exynos_drm_open, |
1c248b7d | 141 | .lastclose = exynos_drm_lastclose, |
53ef299f | 142 | .postclose = exynos_drm_postclose, |
201f9b97 | 143 | .gem_free_object_unlocked = exynos_drm_gem_free_object, |
1c248b7d ID |
144 | .gem_vm_ops = &exynos_drm_gem_vm_ops, |
145 | .dumb_create = exynos_drm_gem_dumb_create, | |
b2df26c1 ID |
146 | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, |
147 | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, | |
01ed50dd | 148 | .gem_prime_export = drm_gem_prime_export, |
89452d4a | 149 | .gem_prime_import = exynos_drm_gem_prime_import, |
01ed50dd JS |
150 | .gem_prime_get_sg_table = exynos_drm_gem_prime_get_sg_table, |
151 | .gem_prime_import_sg_table = exynos_drm_gem_prime_import_sg_table, | |
152 | .gem_prime_vmap = exynos_drm_gem_prime_vmap, | |
153 | .gem_prime_vunmap = exynos_drm_gem_prime_vunmap, | |
5a0202f7 | 154 | .gem_prime_mmap = exynos_drm_gem_prime_mmap, |
1c248b7d | 155 | .ioctls = exynos_ioctls, |
baa70943 | 156 | .num_ioctls = ARRAY_SIZE(exynos_ioctls), |
ac2bdf73 | 157 | .fops = &exynos_drm_driver_fops, |
1c248b7d ID |
158 | .name = DRIVER_NAME, |
159 | .desc = DRIVER_DESC, | |
160 | .date = DRIVER_DATE, | |
161 | .major = DRIVER_MAJOR, | |
162 | .minor = DRIVER_MINOR, | |
163 | }; | |
164 | ||
af65c804 | 165 | #ifdef CONFIG_PM_SLEEP |
082ca313 | 166 | static int exynos_drm_suspend(struct device *dev) |
af65c804 SP |
167 | { |
168 | struct drm_device *drm_dev = dev_get_drvdata(dev); | |
0a51897b | 169 | struct exynos_drm_private *private; |
af65c804 | 170 | |
d50a1907 | 171 | if (pm_runtime_suspended(dev) || !drm_dev) |
af65c804 SP |
172 | return 0; |
173 | ||
0a51897b MS |
174 | private = drm_dev->dev_private; |
175 | ||
6e8edf8a MS |
176 | drm_kms_helper_poll_disable(drm_dev); |
177 | exynos_drm_fbdev_suspend(drm_dev); | |
178 | private->suspend_state = drm_atomic_helper_suspend(drm_dev); | |
179 | if (IS_ERR(private->suspend_state)) { | |
180 | exynos_drm_fbdev_resume(drm_dev); | |
181 | drm_kms_helper_poll_enable(drm_dev); | |
182 | return PTR_ERR(private->suspend_state); | |
082ca313 | 183 | } |
082ca313 AH |
184 | |
185 | return 0; | |
af65c804 SP |
186 | } |
187 | ||
082ca313 | 188 | static int exynos_drm_resume(struct device *dev) |
af65c804 SP |
189 | { |
190 | struct drm_device *drm_dev = dev_get_drvdata(dev); | |
0a51897b | 191 | struct exynos_drm_private *private; |
af65c804 | 192 | |
d50a1907 | 193 | if (pm_runtime_suspended(dev) || !drm_dev) |
af65c804 SP |
194 | return 0; |
195 | ||
0a51897b | 196 | private = drm_dev->dev_private; |
6e8edf8a MS |
197 | drm_atomic_helper_resume(drm_dev, private->suspend_state); |
198 | exynos_drm_fbdev_resume(drm_dev); | |
199 | drm_kms_helper_poll_enable(drm_dev); | |
082ca313 AH |
200 | |
201 | return 0; | |
af65c804 SP |
202 | } |
203 | #endif | |
204 | ||
af65c804 | 205 | static const struct dev_pm_ops exynos_drm_pm_ops = { |
082ca313 | 206 | SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_suspend, exynos_drm_resume) |
af65c804 SP |
207 | }; |
208 | ||
86650408 AH |
209 | /* forward declaration */ |
210 | static struct platform_driver exynos_drm_platform_driver; | |
f37cd5e8 | 211 | |
a5fb26cd MS |
212 | struct exynos_drm_driver_info { |
213 | struct platform_driver *driver; | |
214 | unsigned int flags; | |
215 | }; | |
216 | ||
217 | #define DRM_COMPONENT_DRIVER BIT(0) /* supports component framework */ | |
218 | #define DRM_VIRTUAL_DEVICE BIT(1) /* create virtual platform device */ | |
f43c3596 | 219 | #define DRM_DMA_DEVICE BIT(2) /* can be used for dma allocations */ |
a5fb26cd MS |
220 | |
221 | #define DRV_PTR(drv, cond) (IS_ENABLED(cond) ? &drv : NULL) | |
222 | ||
86650408 AH |
223 | /* |
224 | * Connector drivers should not be placed before associated crtc drivers, | |
225 | * because connector requires pipe number of its crtc during initialization. | |
226 | */ | |
a5fb26cd MS |
227 | static struct exynos_drm_driver_info exynos_drm_drivers[] = { |
228 | { | |
229 | DRV_PTR(fimd_driver, CONFIG_DRM_EXYNOS_FIMD), | |
f43c3596 | 230 | DRM_COMPONENT_DRIVER | DRM_DMA_DEVICE |
a5fb26cd MS |
231 | }, { |
232 | DRV_PTR(exynos5433_decon_driver, CONFIG_DRM_EXYNOS5433_DECON), | |
f43c3596 | 233 | DRM_COMPONENT_DRIVER | DRM_DMA_DEVICE |
a5fb26cd MS |
234 | }, { |
235 | DRV_PTR(decon_driver, CONFIG_DRM_EXYNOS7_DECON), | |
f43c3596 | 236 | DRM_COMPONENT_DRIVER | DRM_DMA_DEVICE |
a5fb26cd MS |
237 | }, { |
238 | DRV_PTR(mixer_driver, CONFIG_DRM_EXYNOS_MIXER), | |
f43c3596 | 239 | DRM_COMPONENT_DRIVER | DRM_DMA_DEVICE |
a5fb26cd MS |
240 | }, { |
241 | DRV_PTR(mic_driver, CONFIG_DRM_EXYNOS_MIC), | |
242 | DRM_COMPONENT_DRIVER | |
243 | }, { | |
244 | DRV_PTR(dp_driver, CONFIG_DRM_EXYNOS_DP), | |
245 | DRM_COMPONENT_DRIVER | |
246 | }, { | |
247 | DRV_PTR(dsi_driver, CONFIG_DRM_EXYNOS_DSI), | |
248 | DRM_COMPONENT_DRIVER | |
249 | }, { | |
250 | DRV_PTR(hdmi_driver, CONFIG_DRM_EXYNOS_HDMI), | |
251 | DRM_COMPONENT_DRIVER | |
252 | }, { | |
253 | DRV_PTR(vidi_driver, CONFIG_DRM_EXYNOS_VIDI), | |
254 | DRM_COMPONENT_DRIVER | DRM_VIRTUAL_DEVICE | |
255 | }, { | |
256 | DRV_PTR(g2d_driver, CONFIG_DRM_EXYNOS_G2D), | |
257 | }, { | |
258 | DRV_PTR(fimc_driver, CONFIG_DRM_EXYNOS_FIMC), | |
259 | }, { | |
260 | DRV_PTR(rotator_driver, CONFIG_DRM_EXYNOS_ROTATOR), | |
261 | }, { | |
262 | DRV_PTR(gsc_driver, CONFIG_DRM_EXYNOS_GSC), | |
263 | }, { | |
264 | DRV_PTR(ipp_driver, CONFIG_DRM_EXYNOS_IPP), | |
265 | DRM_VIRTUAL_DEVICE | |
266 | }, { | |
267 | &exynos_drm_platform_driver, | |
268 | DRM_VIRTUAL_DEVICE | |
269 | } | |
86650408 | 270 | }; |
f37cd5e8 | 271 | |
53c5558d | 272 | static int compare_dev(struct device *dev, void *data) |
f37cd5e8 ID |
273 | { |
274 | return dev == (struct device *)data; | |
275 | } | |
276 | ||
53c5558d | 277 | static struct component_match *exynos_drm_match_add(struct device *dev) |
f37cd5e8 | 278 | { |
53c5558d | 279 | struct component_match *match = NULL; |
86650408 | 280 | int i; |
f37cd5e8 | 281 | |
a5fb26cd MS |
282 | for (i = 0; i < ARRAY_SIZE(exynos_drm_drivers); ++i) { |
283 | struct exynos_drm_driver_info *info = &exynos_drm_drivers[i]; | |
86650408 | 284 | struct device *p = NULL, *d; |
f7c2f36f | 285 | |
a5fb26cd MS |
286 | if (!info->driver || !(info->flags & DRM_COMPONENT_DRIVER)) |
287 | continue; | |
288 | ||
289 | while ((d = bus_find_device(&platform_bus_type, p, | |
290 | &info->driver->driver, | |
86650408 AH |
291 | (void *)platform_bus_type.match))) { |
292 | put_device(p); | |
293 | component_match_add(dev, &match, compare_dev, d); | |
294 | p = d; | |
df5225bc | 295 | } |
86650408 | 296 | put_device(p); |
f37cd5e8 ID |
297 | } |
298 | ||
86650408 | 299 | return match ?: ERR_PTR(-ENODEV); |
f37cd5e8 ID |
300 | } |
301 | ||
1cd6ae35 ID |
302 | static struct device *exynos_drm_get_dma_device(void) |
303 | { | |
304 | int i; | |
305 | ||
306 | for (i = 0; i < ARRAY_SIZE(exynos_drm_drivers); ++i) { | |
307 | struct exynos_drm_driver_info *info = &exynos_drm_drivers[i]; | |
308 | struct device *dev; | |
309 | ||
310 | if (!info->driver || !(info->flags & DRM_DMA_DEVICE)) | |
311 | continue; | |
312 | ||
313 | while ((dev = bus_find_device(&platform_bus_type, NULL, | |
314 | &info->driver->driver, | |
315 | (void *)platform_bus_type.match))) { | |
316 | put_device(dev); | |
317 | return dev; | |
318 | } | |
319 | } | |
320 | return NULL; | |
321 | } | |
322 | ||
f37cd5e8 ID |
323 | static int exynos_drm_bind(struct device *dev) |
324 | { | |
896bbc3e LP |
325 | struct exynos_drm_private *private; |
326 | struct drm_encoder *encoder; | |
327 | struct drm_device *drm; | |
328 | unsigned int clone_mask; | |
329 | int cnt, ret; | |
330 | ||
331 | drm = drm_dev_alloc(&exynos_drm_driver, dev); | |
332 | if (IS_ERR(drm)) | |
333 | return PTR_ERR(drm); | |
334 | ||
335 | private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL); | |
336 | if (!private) { | |
337 | ret = -ENOMEM; | |
338 | goto err_free_drm; | |
339 | } | |
340 | ||
341 | init_waitqueue_head(&private->wait); | |
342 | spin_lock_init(&private->lock); | |
343 | ||
344 | dev_set_drvdata(dev, drm); | |
345 | drm->dev_private = (void *)private; | |
346 | ||
347 | /* the first real CRTC device is used for all dma mapping operations */ | |
348 | private->dma_dev = exynos_drm_get_dma_device(); | |
349 | if (!private->dma_dev) { | |
350 | DRM_ERROR("no device found for DMA mapping operations.\n"); | |
351 | ret = -ENODEV; | |
352 | goto err_free_private; | |
353 | } | |
354 | DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n", | |
355 | dev_name(private->dma_dev)); | |
356 | ||
357 | /* create common IOMMU mapping for all devices attached to Exynos DRM */ | |
358 | ret = drm_create_iommu_mapping(drm); | |
359 | if (ret < 0) { | |
360 | DRM_ERROR("failed to create iommu mapping.\n"); | |
361 | goto err_free_private; | |
362 | } | |
363 | ||
364 | drm_mode_config_init(drm); | |
365 | ||
366 | exynos_drm_mode_config_init(drm); | |
367 | ||
368 | /* setup possible_clones. */ | |
369 | cnt = 0; | |
370 | clone_mask = 0; | |
371 | list_for_each_entry(encoder, &drm->mode_config.encoder_list, head) | |
372 | clone_mask |= (1 << (cnt++)); | |
373 | ||
374 | list_for_each_entry(encoder, &drm->mode_config.encoder_list, head) | |
375 | encoder->possible_clones = clone_mask; | |
376 | ||
377 | /* Try to bind all sub drivers. */ | |
378 | ret = component_bind_all(drm->dev, drm); | |
379 | if (ret) | |
380 | goto err_mode_config_cleanup; | |
381 | ||
382 | ret = drm_vblank_init(drm, drm->mode_config.num_crtc); | |
383 | if (ret) | |
384 | goto err_unbind_all; | |
385 | ||
386 | /* Probe non kms sub drivers and virtual display driver. */ | |
387 | ret = exynos_drm_device_subdrv_probe(drm); | |
388 | if (ret) | |
991dca01 | 389 | goto err_unbind_all; |
896bbc3e LP |
390 | |
391 | drm_mode_config_reset(drm); | |
392 | ||
393 | /* | |
394 | * enable drm irq mode. | |
395 | * - with irq_enabled = true, we can use the vblank feature. | |
396 | * | |
397 | * P.S. note that we wouldn't use drm irq handler but | |
398 | * just specific driver own one instead because | |
399 | * drm framework supports only one irq handler. | |
400 | */ | |
401 | drm->irq_enabled = true; | |
402 | ||
403 | /* init kms poll for handling hpd */ | |
404 | drm_kms_helper_poll_init(drm); | |
405 | ||
812fc6f2 TR |
406 | ret = exynos_drm_fbdev_init(drm); |
407 | if (ret) | |
408 | goto err_cleanup_poll; | |
896bbc3e LP |
409 | |
410 | /* register the DRM device */ | |
411 | ret = drm_dev_register(drm, 0); | |
412 | if (ret < 0) | |
413 | goto err_cleanup_fbdev; | |
414 | ||
415 | return 0; | |
416 | ||
417 | err_cleanup_fbdev: | |
418 | exynos_drm_fbdev_fini(drm); | |
812fc6f2 | 419 | err_cleanup_poll: |
896bbc3e LP |
420 | drm_kms_helper_poll_fini(drm); |
421 | exynos_drm_device_subdrv_remove(drm); | |
896bbc3e LP |
422 | err_unbind_all: |
423 | component_unbind_all(drm->dev, drm); | |
424 | err_mode_config_cleanup: | |
425 | drm_mode_config_cleanup(drm); | |
426 | drm_release_iommu_mapping(drm); | |
427 | err_free_private: | |
428 | kfree(private); | |
429 | err_free_drm: | |
430 | drm_dev_unref(drm); | |
431 | ||
432 | return ret; | |
f37cd5e8 ID |
433 | } |
434 | ||
435 | static void exynos_drm_unbind(struct device *dev) | |
436 | { | |
896bbc3e LP |
437 | struct drm_device *drm = dev_get_drvdata(dev); |
438 | ||
439 | drm_dev_unregister(drm); | |
440 | ||
441 | exynos_drm_device_subdrv_remove(drm); | |
442 | ||
443 | exynos_drm_fbdev_fini(drm); | |
444 | drm_kms_helper_poll_fini(drm); | |
445 | ||
446 | component_unbind_all(drm->dev, drm); | |
447 | drm_mode_config_cleanup(drm); | |
448 | drm_release_iommu_mapping(drm); | |
449 | ||
450 | kfree(drm->dev_private); | |
451 | drm->dev_private = NULL; | |
238604ca | 452 | dev_set_drvdata(dev, NULL); |
896bbc3e LP |
453 | |
454 | drm_dev_unref(drm); | |
f37cd5e8 ID |
455 | } |
456 | ||
457 | static const struct component_master_ops exynos_drm_ops = { | |
f37cd5e8 ID |
458 | .bind = exynos_drm_bind, |
459 | .unbind = exynos_drm_unbind, | |
1c248b7d ID |
460 | }; |
461 | ||
417133e4 AH |
462 | static int exynos_drm_platform_probe(struct platform_device *pdev) |
463 | { | |
464 | struct component_match *match; | |
465 | ||
466 | pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); | |
417133e4 AH |
467 | |
468 | match = exynos_drm_match_add(&pdev->dev); | |
469 | if (IS_ERR(match)) | |
470 | return PTR_ERR(match); | |
471 | ||
472 | return component_master_add_with_match(&pdev->dev, &exynos_drm_ops, | |
473 | match); | |
474 | } | |
475 | ||
476 | static int exynos_drm_platform_remove(struct platform_device *pdev) | |
477 | { | |
478 | component_master_del(&pdev->dev, &exynos_drm_ops); | |
479 | return 0; | |
480 | } | |
481 | ||
482 | static struct platform_driver exynos_drm_platform_driver = { | |
483 | .probe = exynos_drm_platform_probe, | |
484 | .remove = exynos_drm_platform_remove, | |
485 | .driver = { | |
486 | .name = "exynos-drm", | |
487 | .pm = &exynos_drm_pm_ops, | |
488 | }, | |
489 | }; | |
490 | ||
417133e4 | 491 | static void exynos_drm_unregister_devices(void) |
72390677 | 492 | { |
a5fb26cd MS |
493 | int i; |
494 | ||
495 | for (i = ARRAY_SIZE(exynos_drm_drivers) - 1; i >= 0; --i) { | |
496 | struct exynos_drm_driver_info *info = &exynos_drm_drivers[i]; | |
497 | struct device *dev; | |
25928a39 | 498 | |
a5fb26cd MS |
499 | if (!info->driver || !(info->flags & DRM_VIRTUAL_DEVICE)) |
500 | continue; | |
501 | ||
502 | while ((dev = bus_find_device(&platform_bus_type, NULL, | |
503 | &info->driver->driver, | |
504 | (void *)platform_bus_type.match))) { | |
505 | put_device(dev); | |
506 | platform_device_unregister(to_platform_device(dev)); | |
507 | } | |
417133e4 AH |
508 | } |
509 | } | |
7eb8f069 | 510 | |
417133e4 AH |
511 | static int exynos_drm_register_devices(void) |
512 | { | |
a5fb26cd | 513 | struct platform_device *pdev; |
417133e4 AH |
514 | int i; |
515 | ||
a5fb26cd MS |
516 | for (i = 0; i < ARRAY_SIZE(exynos_drm_drivers); ++i) { |
517 | struct exynos_drm_driver_info *info = &exynos_drm_drivers[i]; | |
417133e4 | 518 | |
a5fb26cd | 519 | if (!info->driver || !(info->flags & DRM_VIRTUAL_DEVICE)) |
417133e4 | 520 | continue; |
417133e4 | 521 | |
a5fb26cd MS |
522 | pdev = platform_device_register_simple( |
523 | info->driver->driver.name, -1, NULL, 0); | |
524 | if (IS_ERR(pdev)) | |
525 | goto fail; | |
72390677 | 526 | } |
f37cd5e8 | 527 | |
417133e4 | 528 | return 0; |
a5fb26cd MS |
529 | fail: |
530 | exynos_drm_unregister_devices(); | |
531 | return PTR_ERR(pdev); | |
1c248b7d ID |
532 | } |
533 | ||
a5fb26cd | 534 | static void exynos_drm_unregister_drivers(void) |
1c248b7d | 535 | { |
a5fb26cd | 536 | int i; |
417133e4 | 537 | |
a5fb26cd MS |
538 | for (i = ARRAY_SIZE(exynos_drm_drivers) - 1; i >= 0; --i) { |
539 | struct exynos_drm_driver_info *info = &exynos_drm_drivers[i]; | |
417133e4 | 540 | |
a5fb26cd | 541 | if (!info->driver) |
417133e4 AH |
542 | continue; |
543 | ||
a5fb26cd | 544 | platform_driver_unregister(info->driver); |
417133e4 | 545 | } |
f37cd5e8 ID |
546 | } |
547 | ||
a5fb26cd | 548 | static int exynos_drm_register_drivers(void) |
417133e4 | 549 | { |
a5fb26cd | 550 | int i, ret; |
417133e4 | 551 | |
a5fb26cd MS |
552 | for (i = 0; i < ARRAY_SIZE(exynos_drm_drivers); ++i) { |
553 | struct exynos_drm_driver_info *info = &exynos_drm_drivers[i]; | |
417133e4 | 554 | |
a5fb26cd MS |
555 | if (!info->driver) |
556 | continue; | |
417133e4 | 557 | |
a5fb26cd MS |
558 | ret = platform_driver_register(info->driver); |
559 | if (ret) | |
560 | goto fail; | |
561 | } | |
562 | return 0; | |
563 | fail: | |
564 | exynos_drm_unregister_drivers(); | |
565 | return ret; | |
417133e4 AH |
566 | } |
567 | ||
f37cd5e8 ID |
568 | static int exynos_drm_init(void) |
569 | { | |
e3b9e460 | 570 | int ret; |
f37cd5e8 | 571 | |
417133e4 AH |
572 | ret = exynos_drm_register_devices(); |
573 | if (ret) | |
574 | return ret; | |
820687be | 575 | |
a5fb26cd | 576 | ret = exynos_drm_register_drivers(); |
417133e4 AH |
577 | if (ret) |
578 | goto err_unregister_pdevs; | |
f37cd5e8 | 579 | |
f37cd5e8 ID |
580 | return 0; |
581 | ||
417133e4 AH |
582 | err_unregister_pdevs: |
583 | exynos_drm_unregister_devices(); | |
f37cd5e8 ID |
584 | |
585 | return ret; | |
586 | } | |
587 | ||
588 | static void exynos_drm_exit(void) | |
589 | { | |
a5fb26cd | 590 | exynos_drm_unregister_drivers(); |
417133e4 | 591 | exynos_drm_unregister_devices(); |
1c248b7d ID |
592 | } |
593 | ||
594 | module_init(exynos_drm_init); | |
595 | module_exit(exynos_drm_exit); | |
596 | ||
597 | MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); | |
598 | MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); | |
599 | MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>"); | |
600 | MODULE_DESCRIPTION("Samsung SoC DRM Driver"); | |
601 | MODULE_LICENSE("GPL"); |