2 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * Inki Dae <inki.dae@samsung.com>
5 * Joonyoung Shim <jy0922.shim@samsung.com>
6 * Seung-Woo Kim <sw0312.kim@samsung.com>
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.
15 #include <drm/drm_crtc_helper.h>
17 #include <drm/exynos_drm.h>
19 #include "exynos_drm_drv.h"
20 #include "exynos_drm_crtc.h"
21 #include "exynos_drm_encoder.h"
22 #include "exynos_drm_fbdev.h"
23 #include "exynos_drm_fb.h"
24 #include "exynos_drm_gem.h"
25 #include "exynos_drm_plane.h"
26 #include "exynos_drm_vidi.h"
27 #include "exynos_drm_dmabuf.h"
28 #include "exynos_drm_g2d.h"
29 #include "exynos_drm_ipp.h"
30 #include "exynos_drm_iommu.h"
32 #define DRIVER_NAME "exynos"
33 #define DRIVER_DESC "Samsung SoC DRM"
34 #define DRIVER_DATE "20110530"
35 #define DRIVER_MAJOR 1
36 #define DRIVER_MINOR 0
38 #define VBLANK_OFF_DELAY 50000
40 /* platform device pointer for eynos drm device. */
41 static struct platform_device
*exynos_drm_pdev
;
43 static int exynos_drm_load(struct drm_device
*dev
, unsigned long flags
)
45 struct exynos_drm_private
*private;
49 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
51 private = kzalloc(sizeof(struct exynos_drm_private
), GFP_KERNEL
);
53 DRM_ERROR("failed to allocate private\n");
57 INIT_LIST_HEAD(&private->pageflip_event_list
);
58 dev
->dev_private
= (void *)private;
61 * create mapping to manage iommu table and set a pointer to iommu
62 * mapping structure to iommu_mapping of private data.
63 * also this iommu_mapping can be used to check if iommu is supported
66 ret
= drm_create_iommu_mapping(dev
);
68 DRM_ERROR("failed to create iommu mapping.\n");
72 drm_mode_config_init(dev
);
74 /* init kms poll for handling hpd */
75 drm_kms_helper_poll_init(dev
);
77 exynos_drm_mode_config_init(dev
);
80 * EXYNOS4 is enough to have two CRTCs and each crtc would be used
81 * without dependency of hardware.
83 for (nr
= 0; nr
< MAX_CRTC
; nr
++) {
84 ret
= exynos_drm_crtc_create(dev
, nr
);
86 goto err_release_iommu_mapping
;
89 for (nr
= 0; nr
< MAX_PLANE
; nr
++) {
90 struct drm_plane
*plane
;
91 unsigned int possible_crtcs
= (1 << MAX_CRTC
) - 1;
93 plane
= exynos_plane_init(dev
, possible_crtcs
, false);
95 goto err_release_iommu_mapping
;
98 ret
= drm_vblank_init(dev
, MAX_CRTC
);
100 goto err_release_iommu_mapping
;
103 * probe sub drivers such as display controller and hdmi driver,
104 * that were registered at probe() of platform driver
105 * to the sub driver and create encoder and connector for them.
107 ret
= exynos_drm_device_register(dev
);
111 /* setup possible_clones. */
112 exynos_drm_encoder_setup(dev
);
115 * create and configure fb helper and also exynos specific
118 ret
= exynos_drm_fbdev_init(dev
);
120 DRM_ERROR("failed to initialize drm fbdev\n");
124 drm_vblank_offdelay
= VBLANK_OFF_DELAY
;
129 exynos_drm_device_unregister(dev
);
131 drm_vblank_cleanup(dev
);
132 err_release_iommu_mapping
:
133 drm_release_iommu_mapping(dev
);
135 drm_mode_config_cleanup(dev
);
141 static int exynos_drm_unload(struct drm_device
*dev
)
143 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
145 exynos_drm_fbdev_fini(dev
);
146 exynos_drm_device_unregister(dev
);
147 drm_vblank_cleanup(dev
);
148 drm_kms_helper_poll_fini(dev
);
149 drm_mode_config_cleanup(dev
);
151 drm_release_iommu_mapping(dev
);
152 kfree(dev
->dev_private
);
154 dev
->dev_private
= NULL
;
159 static int exynos_drm_open(struct drm_device
*dev
, struct drm_file
*file
)
161 struct drm_exynos_file_private
*file_priv
;
163 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
165 file_priv
= kzalloc(sizeof(*file_priv
), GFP_KERNEL
);
169 file
->driver_priv
= file_priv
;
171 return exynos_drm_subdrv_open(dev
, file
);
174 static void exynos_drm_preclose(struct drm_device
*dev
,
175 struct drm_file
*file
)
177 struct exynos_drm_private
*private = dev
->dev_private
;
178 struct drm_pending_vblank_event
*e
, *t
;
181 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
183 /* release events of current file */
184 spin_lock_irqsave(&dev
->event_lock
, flags
);
185 list_for_each_entry_safe(e
, t
, &private->pageflip_event_list
,
187 if (e
->base
.file_priv
== file
) {
188 list_del(&e
->base
.link
);
189 e
->base
.destroy(&e
->base
);
192 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
194 exynos_drm_subdrv_close(dev
, file
);
197 static void exynos_drm_postclose(struct drm_device
*dev
, struct drm_file
*file
)
199 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
201 if (!file
->driver_priv
)
204 kfree(file
->driver_priv
);
205 file
->driver_priv
= NULL
;
208 static void exynos_drm_lastclose(struct drm_device
*dev
)
210 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
212 exynos_drm_fbdev_restore_mode(dev
);
215 static const struct vm_operations_struct exynos_drm_gem_vm_ops
= {
216 .fault
= exynos_drm_gem_fault
,
217 .open
= drm_gem_vm_open
,
218 .close
= drm_gem_vm_close
,
221 static struct drm_ioctl_desc exynos_ioctls
[] = {
222 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE
, exynos_drm_gem_create_ioctl
,
223 DRM_UNLOCKED
| DRM_AUTH
),
224 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET
,
225 exynos_drm_gem_map_offset_ioctl
, DRM_UNLOCKED
|
227 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP
,
228 exynos_drm_gem_mmap_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
229 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET
,
230 exynos_drm_gem_get_ioctl
, DRM_UNLOCKED
),
231 DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION
,
232 vidi_connection_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
233 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER
,
234 exynos_g2d_get_ver_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
235 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST
,
236 exynos_g2d_set_cmdlist_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
237 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC
,
238 exynos_g2d_exec_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
239 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY
,
240 exynos_drm_ipp_get_property
, DRM_UNLOCKED
| DRM_AUTH
),
241 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY
,
242 exynos_drm_ipp_set_property
, DRM_UNLOCKED
| DRM_AUTH
),
243 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF
,
244 exynos_drm_ipp_queue_buf
, DRM_UNLOCKED
| DRM_AUTH
),
245 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL
,
246 exynos_drm_ipp_cmd_ctrl
, DRM_UNLOCKED
| DRM_AUTH
),
249 static const struct file_operations exynos_drm_driver_fops
= {
250 .owner
= THIS_MODULE
,
252 .mmap
= exynos_drm_gem_mmap
,
255 .unlocked_ioctl
= drm_ioctl
,
257 .compat_ioctl
= drm_compat_ioctl
,
259 .release
= drm_release
,
262 static struct drm_driver exynos_drm_driver
= {
263 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_MODESET
|
264 DRIVER_GEM
| DRIVER_PRIME
,
265 .load
= exynos_drm_load
,
266 .unload
= exynos_drm_unload
,
267 .open
= exynos_drm_open
,
268 .preclose
= exynos_drm_preclose
,
269 .lastclose
= exynos_drm_lastclose
,
270 .postclose
= exynos_drm_postclose
,
271 .get_vblank_counter
= drm_vblank_count
,
272 .enable_vblank
= exynos_drm_crtc_enable_vblank
,
273 .disable_vblank
= exynos_drm_crtc_disable_vblank
,
274 .gem_init_object
= exynos_drm_gem_init_object
,
275 .gem_free_object
= exynos_drm_gem_free_object
,
276 .gem_vm_ops
= &exynos_drm_gem_vm_ops
,
277 .dumb_create
= exynos_drm_gem_dumb_create
,
278 .dumb_map_offset
= exynos_drm_gem_dumb_map_offset
,
279 .dumb_destroy
= exynos_drm_gem_dumb_destroy
,
280 .prime_handle_to_fd
= drm_gem_prime_handle_to_fd
,
281 .prime_fd_to_handle
= drm_gem_prime_fd_to_handle
,
282 .gem_prime_export
= exynos_dmabuf_prime_export
,
283 .gem_prime_import
= exynos_dmabuf_prime_import
,
284 .ioctls
= exynos_ioctls
,
285 .fops
= &exynos_drm_driver_fops
,
289 .major
= DRIVER_MAJOR
,
290 .minor
= DRIVER_MINOR
,
293 static int exynos_drm_platform_probe(struct platform_device
*pdev
)
295 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
297 pdev
->dev
.coherent_dma_mask
= DMA_BIT_MASK(32);
298 exynos_drm_driver
.num_ioctls
= DRM_ARRAY_SIZE(exynos_ioctls
);
300 return drm_platform_init(&exynos_drm_driver
, pdev
);
303 static int exynos_drm_platform_remove(struct platform_device
*pdev
)
305 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
307 drm_platform_exit(&exynos_drm_driver
, pdev
);
312 static struct platform_driver exynos_drm_platform_driver
= {
313 .probe
= exynos_drm_platform_probe
,
314 .remove
= exynos_drm_platform_remove
,
316 .owner
= THIS_MODULE
,
317 .name
= "exynos-drm",
321 static int __init
exynos_drm_init(void)
325 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
327 #ifdef CONFIG_DRM_EXYNOS_FIMD
328 ret
= platform_driver_register(&fimd_driver
);
333 #ifdef CONFIG_DRM_EXYNOS_HDMI
334 ret
= platform_driver_register(&hdmi_driver
);
337 ret
= platform_driver_register(&mixer_driver
);
340 ret
= platform_driver_register(&exynos_drm_common_hdmi_driver
);
342 goto out_common_hdmi
;
344 ret
= exynos_platform_device_hdmi_register();
346 goto out_common_hdmi_dev
;
349 #ifdef CONFIG_DRM_EXYNOS_VIDI
350 ret
= platform_driver_register(&vidi_driver
);
355 #ifdef CONFIG_DRM_EXYNOS_G2D
356 ret
= platform_driver_register(&g2d_driver
);
361 #ifdef CONFIG_DRM_EXYNOS_FIMC
362 ret
= platform_driver_register(&fimc_driver
);
367 #ifdef CONFIG_DRM_EXYNOS_ROTATOR
368 ret
= platform_driver_register(&rotator_driver
);
373 #ifdef CONFIG_DRM_EXYNOS_GSC
374 ret
= platform_driver_register(&gsc_driver
);
379 #ifdef CONFIG_DRM_EXYNOS_IPP
380 ret
= platform_driver_register(&ipp_driver
);
384 ret
= exynos_platform_device_ipp_register();
389 ret
= platform_driver_register(&exynos_drm_platform_driver
);
393 exynos_drm_pdev
= platform_device_register_simple("exynos-drm", -1,
395 if (IS_ERR(exynos_drm_pdev
)) {
396 ret
= PTR_ERR(exynos_drm_pdev
);
403 platform_driver_unregister(&exynos_drm_platform_driver
);
406 #ifdef CONFIG_DRM_EXYNOS_IPP
407 exynos_platform_device_ipp_unregister();
409 platform_driver_unregister(&ipp_driver
);
413 #ifdef CONFIG_DRM_EXYNOS_GSC
414 platform_driver_unregister(&gsc_driver
);
418 #ifdef CONFIG_DRM_EXYNOS_ROTATOR
419 platform_driver_unregister(&rotator_driver
);
423 #ifdef CONFIG_DRM_EXYNOS_FIMC
424 platform_driver_unregister(&fimc_driver
);
428 #ifdef CONFIG_DRM_EXYNOS_G2D
429 platform_driver_unregister(&g2d_driver
);
433 #ifdef CONFIG_DRM_EXYNOS_VIDI
434 platform_driver_unregister(&vidi_driver
);
438 #ifdef CONFIG_DRM_EXYNOS_HDMI
439 exynos_platform_device_hdmi_unregister();
441 platform_driver_unregister(&exynos_drm_common_hdmi_driver
);
443 platform_driver_unregister(&mixer_driver
);
445 platform_driver_unregister(&hdmi_driver
);
449 #ifdef CONFIG_DRM_EXYNOS_FIMD
450 platform_driver_unregister(&fimd_driver
);
456 static void __exit
exynos_drm_exit(void)
458 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
460 platform_device_unregister(exynos_drm_pdev
);
462 platform_driver_unregister(&exynos_drm_platform_driver
);
464 #ifdef CONFIG_DRM_EXYNOS_IPP
465 exynos_platform_device_ipp_unregister();
466 platform_driver_unregister(&ipp_driver
);
469 #ifdef CONFIG_DRM_EXYNOS_GSC
470 platform_driver_unregister(&gsc_driver
);
473 #ifdef CONFIG_DRM_EXYNOS_ROTATOR
474 platform_driver_unregister(&rotator_driver
);
477 #ifdef CONFIG_DRM_EXYNOS_FIMC
478 platform_driver_unregister(&fimc_driver
);
481 #ifdef CONFIG_DRM_EXYNOS_G2D
482 platform_driver_unregister(&g2d_driver
);
485 #ifdef CONFIG_DRM_EXYNOS_HDMI
486 exynos_platform_device_hdmi_unregister();
487 platform_driver_unregister(&exynos_drm_common_hdmi_driver
);
488 platform_driver_unregister(&mixer_driver
);
489 platform_driver_unregister(&hdmi_driver
);
492 #ifdef CONFIG_DRM_EXYNOS_VIDI
493 platform_driver_unregister(&vidi_driver
);
496 #ifdef CONFIG_DRM_EXYNOS_FIMD
497 platform_driver_unregister(&fimd_driver
);
501 module_init(exynos_drm_init
);
502 module_exit(exynos_drm_exit
);
504 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
505 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
506 MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
507 MODULE_DESCRIPTION("Samsung SoC DRM Driver");
508 MODULE_LICENSE("GPL");