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 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
30 #include "drm_crtc_helper.h"
32 #include <drm/exynos_drm.h>
34 #include "exynos_drm_drv.h"
35 #include "exynos_drm_crtc.h"
36 #include "exynos_drm_encoder.h"
37 #include "exynos_drm_fbdev.h"
38 #include "exynos_drm_fb.h"
39 #include "exynos_drm_gem.h"
40 #include "exynos_drm_plane.h"
41 #include "exynos_drm_vidi.h"
42 #include "exynos_drm_dmabuf.h"
43 #include "exynos_drm_g2d.h"
45 #define DRIVER_NAME "exynos"
46 #define DRIVER_DESC "Samsung SoC DRM"
47 #define DRIVER_DATE "20110530"
48 #define DRIVER_MAJOR 1
49 #define DRIVER_MINOR 0
51 #define VBLANK_OFF_DELAY 50000
53 static int exynos_drm_load(struct drm_device
*dev
, unsigned long flags
)
55 struct exynos_drm_private
*private;
59 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
61 private = kzalloc(sizeof(struct exynos_drm_private
), GFP_KERNEL
);
63 DRM_ERROR("failed to allocate private\n");
67 INIT_LIST_HEAD(&private->pageflip_event_list
);
68 dev
->dev_private
= (void *)private;
70 drm_mode_config_init(dev
);
72 /* init kms poll for handling hpd */
73 drm_kms_helper_poll_init(dev
);
75 exynos_drm_mode_config_init(dev
);
78 * EXYNOS4 is enough to have two CRTCs and each crtc would be used
79 * without dependency of hardware.
81 for (nr
= 0; nr
< MAX_CRTC
; nr
++) {
82 ret
= exynos_drm_crtc_create(dev
, nr
);
87 for (nr
= 0; nr
< MAX_PLANE
; nr
++) {
88 struct drm_plane
*plane
;
89 unsigned int possible_crtcs
= (1 << MAX_CRTC
) - 1;
91 plane
= exynos_plane_init(dev
, possible_crtcs
, false);
96 ret
= drm_vblank_init(dev
, MAX_CRTC
);
101 * probe sub drivers such as display controller and hdmi driver,
102 * that were registered at probe() of platform driver
103 * to the sub driver and create encoder and connector for them.
105 ret
= exynos_drm_device_register(dev
);
109 /* setup possible_clones. */
110 exynos_drm_encoder_setup(dev
);
113 * create and configure fb helper and also exynos specific
116 ret
= exynos_drm_fbdev_init(dev
);
118 DRM_ERROR("failed to initialize drm fbdev\n");
122 drm_vblank_offdelay
= VBLANK_OFF_DELAY
;
127 exynos_drm_device_unregister(dev
);
129 drm_vblank_cleanup(dev
);
131 drm_mode_config_cleanup(dev
);
137 static int exynos_drm_unload(struct drm_device
*dev
)
139 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
141 exynos_drm_fbdev_fini(dev
);
142 exynos_drm_device_unregister(dev
);
143 drm_vblank_cleanup(dev
);
144 drm_kms_helper_poll_fini(dev
);
145 drm_mode_config_cleanup(dev
);
146 kfree(dev
->dev_private
);
148 dev
->dev_private
= NULL
;
153 static int exynos_drm_open(struct drm_device
*dev
, struct drm_file
*file
)
155 struct drm_exynos_file_private
*file_priv
;
157 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
159 file_priv
= kzalloc(sizeof(*file_priv
), GFP_KERNEL
);
163 file
->driver_priv
= file_priv
;
165 return exynos_drm_subdrv_open(dev
, file
);
168 static void exynos_drm_preclose(struct drm_device
*dev
,
169 struct drm_file
*file
)
171 struct exynos_drm_private
*private = dev
->dev_private
;
172 struct drm_pending_vblank_event
*e
, *t
;
175 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
177 /* release events of current file */
178 spin_lock_irqsave(&dev
->event_lock
, flags
);
179 list_for_each_entry_safe(e
, t
, &private->pageflip_event_list
,
181 if (e
->base
.file_priv
== file
) {
182 list_del(&e
->base
.link
);
183 e
->base
.destroy(&e
->base
);
186 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
188 exynos_drm_subdrv_close(dev
, file
);
191 static void exynos_drm_postclose(struct drm_device
*dev
, struct drm_file
*file
)
193 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
195 if (!file
->driver_priv
)
198 kfree(file
->driver_priv
);
199 file
->driver_priv
= NULL
;
202 static void exynos_drm_lastclose(struct drm_device
*dev
)
204 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
206 exynos_drm_fbdev_restore_mode(dev
);
209 static const struct vm_operations_struct exynos_drm_gem_vm_ops
= {
210 .fault
= exynos_drm_gem_fault
,
211 .open
= drm_gem_vm_open
,
212 .close
= drm_gem_vm_close
,
215 static struct drm_ioctl_desc exynos_ioctls
[] = {
216 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE
, exynos_drm_gem_create_ioctl
,
217 DRM_UNLOCKED
| DRM_AUTH
),
218 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET
,
219 exynos_drm_gem_map_offset_ioctl
, DRM_UNLOCKED
|
221 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP
,
222 exynos_drm_gem_mmap_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
223 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET
,
224 exynos_drm_gem_get_ioctl
, DRM_UNLOCKED
),
225 DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION
,
226 vidi_connection_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
227 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER
,
228 exynos_g2d_get_ver_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
229 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST
,
230 exynos_g2d_set_cmdlist_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
231 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC
,
232 exynos_g2d_exec_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
235 static const struct file_operations exynos_drm_driver_fops
= {
236 .owner
= THIS_MODULE
,
238 .mmap
= exynos_drm_gem_mmap
,
241 .unlocked_ioctl
= drm_ioctl
,
243 .compat_ioctl
= drm_compat_ioctl
,
245 .release
= drm_release
,
248 static struct drm_driver exynos_drm_driver
= {
249 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_MODESET
|
250 DRIVER_GEM
| DRIVER_PRIME
,
251 .load
= exynos_drm_load
,
252 .unload
= exynos_drm_unload
,
253 .open
= exynos_drm_open
,
254 .preclose
= exynos_drm_preclose
,
255 .lastclose
= exynos_drm_lastclose
,
256 .postclose
= exynos_drm_postclose
,
257 .get_vblank_counter
= drm_vblank_count
,
258 .enable_vblank
= exynos_drm_crtc_enable_vblank
,
259 .disable_vblank
= exynos_drm_crtc_disable_vblank
,
260 .gem_init_object
= exynos_drm_gem_init_object
,
261 .gem_free_object
= exynos_drm_gem_free_object
,
262 .gem_vm_ops
= &exynos_drm_gem_vm_ops
,
263 .dumb_create
= exynos_drm_gem_dumb_create
,
264 .dumb_map_offset
= exynos_drm_gem_dumb_map_offset
,
265 .dumb_destroy
= exynos_drm_gem_dumb_destroy
,
266 .prime_handle_to_fd
= drm_gem_prime_handle_to_fd
,
267 .prime_fd_to_handle
= drm_gem_prime_fd_to_handle
,
268 .gem_prime_export
= exynos_dmabuf_prime_export
,
269 .gem_prime_import
= exynos_dmabuf_prime_import
,
270 .ioctls
= exynos_ioctls
,
271 .fops
= &exynos_drm_driver_fops
,
275 .major
= DRIVER_MAJOR
,
276 .minor
= DRIVER_MINOR
,
279 static int exynos_drm_platform_probe(struct platform_device
*pdev
)
281 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
283 exynos_drm_driver
.num_ioctls
= DRM_ARRAY_SIZE(exynos_ioctls
);
285 return drm_platform_init(&exynos_drm_driver
, pdev
);
288 static int exynos_drm_platform_remove(struct platform_device
*pdev
)
290 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
292 drm_platform_exit(&exynos_drm_driver
, pdev
);
297 static struct platform_driver exynos_drm_platform_driver
= {
298 .probe
= exynos_drm_platform_probe
,
299 .remove
= __devexit_p(exynos_drm_platform_remove
),
301 .owner
= THIS_MODULE
,
302 .name
= "exynos-drm",
306 static int __init
exynos_drm_init(void)
310 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
312 #ifdef CONFIG_DRM_EXYNOS_FIMD
313 ret
= platform_driver_register(&fimd_driver
);
318 #ifdef CONFIG_DRM_EXYNOS_HDMI
319 ret
= platform_driver_register(&hdmi_driver
);
322 ret
= platform_driver_register(&mixer_driver
);
325 ret
= platform_driver_register(&exynos_drm_common_hdmi_driver
);
327 goto out_common_hdmi
;
330 #ifdef CONFIG_DRM_EXYNOS_VIDI
331 ret
= platform_driver_register(&vidi_driver
);
336 #ifdef CONFIG_DRM_EXYNOS_G2D
337 ret
= platform_driver_register(&g2d_driver
);
342 ret
= platform_driver_register(&exynos_drm_platform_driver
);
349 #ifdef CONFIG_DRM_EXYNOS_G2D
350 platform_driver_unregister(&g2d_driver
);
354 #ifdef CONFIG_DRM_EXYNOS_VIDI
356 platform_driver_unregister(&vidi_driver
);
359 #ifdef CONFIG_DRM_EXYNOS_HDMI
360 platform_driver_unregister(&exynos_drm_common_hdmi_driver
);
362 platform_driver_unregister(&mixer_driver
);
364 platform_driver_unregister(&hdmi_driver
);
368 #ifdef CONFIG_DRM_EXYNOS_FIMD
369 platform_driver_unregister(&fimd_driver
);
375 static void __exit
exynos_drm_exit(void)
377 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
379 platform_driver_unregister(&exynos_drm_platform_driver
);
381 #ifdef CONFIG_DRM_EXYNOS_G2D
382 platform_driver_unregister(&g2d_driver
);
385 #ifdef CONFIG_DRM_EXYNOS_HDMI
386 platform_driver_unregister(&exynos_drm_common_hdmi_driver
);
387 platform_driver_unregister(&mixer_driver
);
388 platform_driver_unregister(&hdmi_driver
);
391 #ifdef CONFIG_DRM_EXYNOS_VIDI
392 platform_driver_unregister(&vidi_driver
);
395 #ifdef CONFIG_DRM_EXYNOS_FIMD
396 platform_driver_unregister(&fimd_driver
);
400 module_init(exynos_drm_init
);
401 module_exit(exynos_drm_exit
);
403 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
404 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
405 MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
406 MODULE_DESCRIPTION("Samsung SoC DRM Driver");
407 MODULE_LICENSE("GPL");