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.
31 #include <drm/exynos_drm.h>
33 #include "exynos_drm_drv.h"
34 #include "exynos_drm_crtc.h"
35 #include "exynos_drm_fbdev.h"
36 #include "exynos_drm_fb.h"
37 #include "exynos_drm_gem.h"
39 #define DRIVER_NAME "exynos-drm"
40 #define DRIVER_DESC "Samsung SoC DRM"
41 #define DRIVER_DATE "20110530"
42 #define DRIVER_MAJOR 1
43 #define DRIVER_MINOR 0
45 static int exynos_drm_load(struct drm_device
*dev
, unsigned long flags
)
47 struct exynos_drm_private
*private;
51 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
53 private = kzalloc(sizeof(struct exynos_drm_private
), GFP_KERNEL
);
55 DRM_ERROR("failed to allocate private\n");
59 INIT_LIST_HEAD(&private->pageflip_event_list
);
60 dev
->dev_private
= (void *)private;
62 drm_mode_config_init(dev
);
64 exynos_drm_mode_config_init(dev
);
67 * EXYNOS4 is enough to have two CRTCs and each crtc would be used
68 * without dependency of hardware.
70 for (nr
= 0; nr
< MAX_CRTC
; nr
++) {
71 ret
= exynos_drm_crtc_create(dev
, nr
);
76 ret
= drm_vblank_init(dev
, MAX_CRTC
);
81 * probe sub drivers such as display controller and hdmi driver,
82 * that were registered at probe() of platform driver
83 * to the sub driver and create encoder and connector for them.
85 ret
= exynos_drm_device_register(dev
);
90 * create and configure fb helper and also exynos specific
93 ret
= exynos_drm_fbdev_init(dev
);
95 DRM_ERROR("failed to initialize drm fbdev\n");
102 exynos_drm_device_unregister(dev
);
104 drm_vblank_cleanup(dev
);
106 drm_mode_config_cleanup(dev
);
112 static int exynos_drm_unload(struct drm_device
*dev
)
114 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
116 exynos_drm_fbdev_fini(dev
);
117 exynos_drm_device_unregister(dev
);
118 drm_vblank_cleanup(dev
);
119 drm_mode_config_cleanup(dev
);
120 kfree(dev
->dev_private
);
122 dev
->dev_private
= NULL
;
127 static void exynos_drm_preclose(struct drm_device
*dev
,
128 struct drm_file
*file_priv
)
130 struct exynos_drm_private
*dev_priv
= dev
->dev_private
;
133 * drm framework frees all events at release time,
134 * so private event list should be cleared.
136 if (!list_empty(&dev_priv
->pageflip_event_list
))
137 INIT_LIST_HEAD(&dev_priv
->pageflip_event_list
);
140 static void exynos_drm_lastclose(struct drm_device
*dev
)
142 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
144 exynos_drm_fbdev_restore_mode(dev
);
147 static struct vm_operations_struct exynos_drm_gem_vm_ops
= {
148 .fault
= exynos_drm_gem_fault
,
149 .open
= drm_gem_vm_open
,
150 .close
= drm_gem_vm_close
,
153 static struct drm_ioctl_desc exynos_ioctls
[] = {
154 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE
, exynos_drm_gem_create_ioctl
,
155 DRM_UNLOCKED
| DRM_AUTH
),
156 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET
,
157 exynos_drm_gem_map_offset_ioctl
, DRM_UNLOCKED
|
159 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP
,
160 exynos_drm_gem_mmap_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
163 static struct drm_driver exynos_drm_driver
= {
164 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_BUS_PLATFORM
|
165 DRIVER_MODESET
| DRIVER_GEM
,
166 .load
= exynos_drm_load
,
167 .unload
= exynos_drm_unload
,
168 .preclose
= exynos_drm_preclose
,
169 .lastclose
= exynos_drm_lastclose
,
170 .get_vblank_counter
= drm_vblank_count
,
171 .enable_vblank
= exynos_drm_crtc_enable_vblank
,
172 .disable_vblank
= exynos_drm_crtc_disable_vblank
,
173 .gem_init_object
= exynos_drm_gem_init_object
,
174 .gem_free_object
= exynos_drm_gem_free_object
,
175 .gem_vm_ops
= &exynos_drm_gem_vm_ops
,
176 .dumb_create
= exynos_drm_gem_dumb_create
,
177 .dumb_map_offset
= exynos_drm_gem_dumb_map_offset
,
178 .dumb_destroy
= exynos_drm_gem_dumb_destroy
,
179 .ioctls
= exynos_ioctls
,
181 .owner
= THIS_MODULE
,
183 .mmap
= exynos_drm_gem_mmap
,
186 .unlocked_ioctl
= drm_ioctl
,
187 .release
= drm_release
,
192 .major
= DRIVER_MAJOR
,
193 .minor
= DRIVER_MINOR
,
196 static int exynos_drm_platform_probe(struct platform_device
*pdev
)
198 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
200 exynos_drm_driver
.num_ioctls
= DRM_ARRAY_SIZE(exynos_ioctls
);
202 return drm_platform_init(&exynos_drm_driver
, pdev
);
205 static int exynos_drm_platform_remove(struct platform_device
*pdev
)
207 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
209 drm_platform_exit(&exynos_drm_driver
, pdev
);
214 static struct platform_driver exynos_drm_platform_driver
= {
215 .probe
= exynos_drm_platform_probe
,
216 .remove
= __devexit_p(exynos_drm_platform_remove
),
218 .owner
= THIS_MODULE
,
223 static int __init
exynos_drm_init(void)
225 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
227 return platform_driver_register(&exynos_drm_platform_driver
);
230 static void __exit
exynos_drm_exit(void)
232 DRM_DEBUG_DRIVER("%s\n", __FILE__
);
234 platform_driver_unregister(&exynos_drm_platform_driver
);
237 module_init(exynos_drm_init
);
238 module_exit(exynos_drm_exit
);
240 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
241 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
242 MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
243 MODULE_DESCRIPTION("Samsung SoC DRM Driver");
244 MODULE_LICENSE("GPL");