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.
29 #include <drm/drm_crtc_helper.h>
31 #include <drm/exynos_drm.h>
33 #include "exynos_drm_drv.h"
34 #include "exynos_drm_crtc.h"
35 #include "exynos_drm_encoder.h"
36 #include "exynos_drm_fbdev.h"
37 #include "exynos_drm_fb.h"
38 #include "exynos_drm_gem.h"
39 #include "exynos_drm_plane.h"
40 #include "exynos_drm_vidi.h"
41 #include "exynos_drm_dmabuf.h"
42 #include "exynos_drm_g2d.h"
44 #define DRIVER_NAME "exynos"
45 #define DRIVER_DESC "Samsung SoC DRM"
46 #define DRIVER_DATE "20110530"
47 #define DRIVER_MAJOR 1
48 #define DRIVER_MINOR 0
50 #define VBLANK_OFF_DELAY 50000
52 static int exynos_drm_load(struct drm_device
*dev
, unsigned long flags
)
54 struct exynos_drm_private
*private;
58 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
60 private = kzalloc(sizeof(struct exynos_drm_private
), GFP_KERNEL
);
62 DRM_ERROR("failed to allocate private\n");
66 INIT_LIST_HEAD(&private->pageflip_event_list
);
67 dev
->dev_private
= (void *)private;
69 drm_mode_config_init(dev
);
71 /* init kms poll for handling hpd */
72 drm_kms_helper_poll_init(dev
);
74 exynos_drm_mode_config_init(dev
);
77 * EXYNOS4 is enough to have two CRTCs and each crtc would be used
78 * without dependency of hardware.
80 for (nr
= 0; nr
< MAX_CRTC
; nr
++) {
81 ret
= exynos_drm_crtc_create(dev
, nr
);
86 for (nr
= 0; nr
< MAX_PLANE
; nr
++) {
87 struct drm_plane
*plane
;
88 unsigned int possible_crtcs
= (1 << MAX_CRTC
) - 1;
90 plane
= exynos_plane_init(dev
, possible_crtcs
, false);
95 ret
= drm_vblank_init(dev
, MAX_CRTC
);
100 * probe sub drivers such as display controller and hdmi driver,
101 * that were registered at probe() of platform driver
102 * to the sub driver and create encoder and connector for them.
104 ret
= exynos_drm_device_register(dev
);
108 /* setup possible_clones. */
109 exynos_drm_encoder_setup(dev
);
112 * create and configure fb helper and also exynos specific
115 ret
= exynos_drm_fbdev_init(dev
);
117 DRM_ERROR("failed to initialize drm fbdev\n");
121 drm_vblank_offdelay
= VBLANK_OFF_DELAY
;
126 exynos_drm_device_unregister(dev
);
128 drm_vblank_cleanup(dev
);
130 drm_mode_config_cleanup(dev
);
136 static int exynos_drm_unload(struct drm_device
*dev
)
138 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
140 exynos_drm_fbdev_fini(dev
);
141 exynos_drm_device_unregister(dev
);
142 drm_vblank_cleanup(dev
);
143 drm_kms_helper_poll_fini(dev
);
144 drm_mode_config_cleanup(dev
);
145 kfree(dev
->dev_private
);
147 dev
->dev_private
= NULL
;
152 static int exynos_drm_open(struct drm_device
*dev
, struct drm_file
*file
)
154 struct drm_exynos_file_private
*file_priv
;
156 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
158 file_priv
= kzalloc(sizeof(*file_priv
), GFP_KERNEL
);
162 file
->driver_priv
= file_priv
;
164 return exynos_drm_subdrv_open(dev
, file
);
167 static void exynos_drm_preclose(struct drm_device
*dev
,
168 struct drm_file
*file
)
170 struct exynos_drm_private
*private = dev
->dev_private
;
171 struct drm_pending_vblank_event
*e
, *t
;
174 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
176 /* release events of current file */
177 spin_lock_irqsave(&dev
->event_lock
, flags
);
178 list_for_each_entry_safe(e
, t
, &private->pageflip_event_list
,
180 if (e
->base
.file_priv
== file
) {
181 list_del(&e
->base
.link
);
182 e
->base
.destroy(&e
->base
);
185 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
187 exynos_drm_subdrv_close(dev
, file
);
190 static void exynos_drm_postclose(struct drm_device
*dev
, struct drm_file
*file
)
192 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
194 if (!file
->driver_priv
)
197 kfree(file
->driver_priv
);
198 file
->driver_priv
= NULL
;
201 static void exynos_drm_lastclose(struct drm_device
*dev
)
203 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
205 exynos_drm_fbdev_restore_mode(dev
);
208 static const struct vm_operations_struct exynos_drm_gem_vm_ops
= {
209 .fault
= exynos_drm_gem_fault
,
210 .open
= drm_gem_vm_open
,
211 .close
= drm_gem_vm_close
,
214 static struct drm_ioctl_desc exynos_ioctls
[] = {
215 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE
, exynos_drm_gem_create_ioctl
,
216 DRM_UNLOCKED
| DRM_AUTH
),
217 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET
,
218 exynos_drm_gem_map_offset_ioctl
, DRM_UNLOCKED
|
220 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP
,
221 exynos_drm_gem_mmap_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
222 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET
,
223 exynos_drm_gem_get_ioctl
, DRM_UNLOCKED
),
224 DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION
,
225 vidi_connection_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
226 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER
,
227 exynos_g2d_get_ver_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
228 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST
,
229 exynos_g2d_set_cmdlist_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
230 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC
,
231 exynos_g2d_exec_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
234 static const struct file_operations exynos_drm_driver_fops
= {
235 .owner
= THIS_MODULE
,
237 .mmap
= exynos_drm_gem_mmap
,
240 .unlocked_ioctl
= drm_ioctl
,
242 .compat_ioctl
= drm_compat_ioctl
,
244 .release
= drm_release
,
247 static struct drm_driver exynos_drm_driver
= {
248 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_MODESET
|
249 DRIVER_GEM
| DRIVER_PRIME
,
250 .load
= exynos_drm_load
,
251 .unload
= exynos_drm_unload
,
252 .open
= exynos_drm_open
,
253 .preclose
= exynos_drm_preclose
,
254 .lastclose
= exynos_drm_lastclose
,
255 .postclose
= exynos_drm_postclose
,
256 .get_vblank_counter
= drm_vblank_count
,
257 .enable_vblank
= exynos_drm_crtc_enable_vblank
,
258 .disable_vblank
= exynos_drm_crtc_disable_vblank
,
259 .gem_init_object
= exynos_drm_gem_init_object
,
260 .gem_free_object
= exynos_drm_gem_free_object
,
261 .gem_vm_ops
= &exynos_drm_gem_vm_ops
,
262 .dumb_create
= exynos_drm_gem_dumb_create
,
263 .dumb_map_offset
= exynos_drm_gem_dumb_map_offset
,
264 .dumb_destroy
= exynos_drm_gem_dumb_destroy
,
265 .prime_handle_to_fd
= drm_gem_prime_handle_to_fd
,
266 .prime_fd_to_handle
= drm_gem_prime_fd_to_handle
,
267 .gem_prime_export
= exynos_dmabuf_prime_export
,
268 .gem_prime_import
= exynos_dmabuf_prime_import
,
269 .ioctls
= exynos_ioctls
,
270 .fops
= &exynos_drm_driver_fops
,
274 .major
= DRIVER_MAJOR
,
275 .minor
= DRIVER_MINOR
,
278 static int exynos_drm_platform_probe(struct platform_device
*pdev
)
280 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
282 exynos_drm_driver
.num_ioctls
= DRM_ARRAY_SIZE(exynos_ioctls
);
284 return drm_platform_init(&exynos_drm_driver
, pdev
);
287 static int exynos_drm_platform_remove(struct platform_device
*pdev
)
289 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
291 drm_platform_exit(&exynos_drm_driver
, pdev
);
296 static struct platform_driver exynos_drm_platform_driver
= {
297 .probe
= exynos_drm_platform_probe
,
298 .remove
= __devexit_p(exynos_drm_platform_remove
),
300 .owner
= THIS_MODULE
,
301 .name
= "exynos-drm",
305 static int __init
exynos_drm_init(void)
309 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
311 #ifdef CONFIG_DRM_EXYNOS_FIMD
312 ret
= platform_driver_register(&fimd_driver
);
317 #ifdef CONFIG_DRM_EXYNOS_HDMI
318 ret
= platform_driver_register(&hdmi_driver
);
321 ret
= platform_driver_register(&mixer_driver
);
324 ret
= platform_driver_register(&exynos_drm_common_hdmi_driver
);
326 goto out_common_hdmi
;
329 #ifdef CONFIG_DRM_EXYNOS_VIDI
330 ret
= platform_driver_register(&vidi_driver
);
335 #ifdef CONFIG_DRM_EXYNOS_G2D
336 ret
= platform_driver_register(&g2d_driver
);
341 ret
= platform_driver_register(&exynos_drm_platform_driver
);
348 #ifdef CONFIG_DRM_EXYNOS_G2D
349 platform_driver_unregister(&g2d_driver
);
353 #ifdef CONFIG_DRM_EXYNOS_VIDI
355 platform_driver_unregister(&vidi_driver
);
358 #ifdef CONFIG_DRM_EXYNOS_HDMI
359 platform_driver_unregister(&exynos_drm_common_hdmi_driver
);
361 platform_driver_unregister(&mixer_driver
);
363 platform_driver_unregister(&hdmi_driver
);
367 #ifdef CONFIG_DRM_EXYNOS_FIMD
368 platform_driver_unregister(&fimd_driver
);
374 static void __exit
exynos_drm_exit(void)
376 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
378 platform_driver_unregister(&exynos_drm_platform_driver
);
380 #ifdef CONFIG_DRM_EXYNOS_G2D
381 platform_driver_unregister(&g2d_driver
);
384 #ifdef CONFIG_DRM_EXYNOS_HDMI
385 platform_driver_unregister(&exynos_drm_common_hdmi_driver
);
386 platform_driver_unregister(&mixer_driver
);
387 platform_driver_unregister(&hdmi_driver
);
390 #ifdef CONFIG_DRM_EXYNOS_VIDI
391 platform_driver_unregister(&vidi_driver
);
394 #ifdef CONFIG_DRM_EXYNOS_FIMD
395 platform_driver_unregister(&fimd_driver
);
399 module_init(exynos_drm_init
);
400 module_exit(exynos_drm_exit
);
402 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
403 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
404 MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
405 MODULE_DESCRIPTION("Samsung SoC DRM Driver");
406 MODULE_LICENSE("GPL");