1 /*
2  * Copyright © 2006 Keith Packard
3  * Copyright © 2007-2008 Dave Airlie
4  * Copyright © 2007-2008 Intel Corporation
5  *   Jesse Barnes <jesse.barnes@intel.com>
6  * Copyright © 2014 Intel Corporation
7  *   Daniel Vetter <daniel.vetter@ffwll.ch>
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining a
10  * copy of this software and associated documentation files (the "Software"),
11  * to deal in the Software without restriction, including without limitation
12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  * and/or sell copies of the Software, and to permit persons to whom the
14  * Software is furnished to do so, subject to the following conditions:
15  *
16  * The above copyright notice and this permission notice shall be included in
17  * all copies or substantial portions of the Software.
18  *
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  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
26  */
27 
28 /*
29  * This header file contains mode setting related functions and definitions
30  * which are only used within the drm module as internal implementation details
31  * and are not exported to drivers.
32  */
33 
34 #include <linux/types.h>
35 
36 enum drm_color_encoding;
37 enum drm_color_range;
38 enum drm_connector_force;
39 enum drm_mode_status;
40 
41 struct drm_atomic_state;
42 struct drm_bridge;
43 struct drm_connector;
44 struct drm_crtc;
45 struct drm_device;
46 struct drm_display_mode;
47 struct drm_file;
48 struct drm_framebuffer;
49 struct drm_mode_create_dumb;
50 struct drm_mode_fb_cmd2;
51 struct drm_mode_fb_cmd;
52 struct drm_mode_object;
53 struct drm_mode_set;
54 struct drm_plane;
55 struct drm_plane_state;
56 struct drm_property;
57 struct edid;
58 struct kref;
59 struct work_struct;
60 
61 /* drm_crtc.c */
62 int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
63 			       struct drm_property *property,
64 			       uint64_t value);
65 int drm_crtc_check_viewport(const struct drm_crtc *crtc,
66 			    int x, int y,
67 			    const struct drm_display_mode *mode,
68 			    const struct drm_framebuffer *fb);
69 int drm_crtc_register_all(struct drm_device *dev);
70 void drm_crtc_unregister_all(struct drm_device *dev);
71 int drm_crtc_force_disable(struct drm_crtc *crtc);
72 
73 struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc);
74 
75 /* IOCTLs */
76 int drm_mode_getcrtc(struct drm_device *dev,
77 		     void *data, struct drm_file *file_priv);
78 int drm_mode_setcrtc(struct drm_device *dev,
79 		     void *data, struct drm_file *file_priv);
80 
81 
82 /* drm_mode_config.c */
83 int drm_modeset_register_all(struct drm_device *dev);
84 void drm_modeset_unregister_all(struct drm_device *dev);
85 void drm_mode_config_validate(struct drm_device *dev);
86 
87 /* drm_modes.c */
88 const char *drm_get_mode_status_name(enum drm_mode_status status);
89 
90 /* IOCTLs */
91 int drm_mode_getresources(struct drm_device *dev,
92 			  void *data, struct drm_file *file_priv);
93 
94 
95 /* drm_dumb_buffers.c */
96 int drm_mode_create_dumb(struct drm_device *dev,
97 			 struct drm_mode_create_dumb *args,
98 			 struct drm_file *file_priv);
99 int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle,
100 			  struct drm_file *file_priv);
101 
102 /* IOCTLs */
103 int drm_mode_create_dumb_ioctl(struct drm_device *dev,
104 			       void *data, struct drm_file *file_priv);
105 int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
106 			     void *data, struct drm_file *file_priv);
107 int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
108 				void *data, struct drm_file *file_priv);
109 
110 /* drm_color_mgmt.c */
111 const char *drm_get_color_encoding_name(enum drm_color_encoding encoding);
112 const char *drm_get_color_range_name(enum drm_color_range range);
113 
114 /* IOCTLs */
115 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
116 			     void *data, struct drm_file *file_priv);
117 int drm_mode_gamma_set_ioctl(struct drm_device *dev,
118 			     void *data, struct drm_file *file_priv);
119 
120 /* drm_property.c */
121 void drm_property_destroy_user_blobs(struct drm_device *dev,
122 				     struct drm_file *file_priv);
123 bool drm_property_change_valid_get(struct drm_property *property,
124 				   uint64_t value,
125 				   struct drm_mode_object **ref);
126 void drm_property_change_valid_put(struct drm_property *property,
127 				   struct drm_mode_object *ref);
128 
129 /* IOCTL */
130 int drm_mode_getproperty_ioctl(struct drm_device *dev,
131 			       void *data, struct drm_file *file_priv);
132 int drm_mode_getblob_ioctl(struct drm_device *dev,
133 			   void *data, struct drm_file *file_priv);
134 int drm_mode_createblob_ioctl(struct drm_device *dev,
135 			      void *data, struct drm_file *file_priv);
136 int drm_mode_destroyblob_ioctl(struct drm_device *dev,
137 			       void *data, struct drm_file *file_priv);
138 
139 /* drm_mode_object.c */
140 int __drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
141 			  uint32_t obj_type, bool register_obj,
142 			  void (*obj_free_cb)(struct kref *kref));
143 int drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
144 			uint32_t obj_type);
145 void drm_mode_object_register(struct drm_device *dev,
146 			      struct drm_mode_object *obj);
147 struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
148 					       struct drm_file *file_priv,
149 					       uint32_t id, uint32_t type);
150 void drm_mode_object_unregister(struct drm_device *dev,
151 				struct drm_mode_object *object);
152 int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
153 				   uint32_t __user *prop_ptr,
154 				   uint64_t __user *prop_values,
155 				   uint32_t *arg_count_props);
156 struct drm_property *drm_mode_obj_find_prop_id(struct drm_mode_object *obj,
157 					       uint32_t prop_id);
158 
159 /* IOCTL */
160 
161 int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
162 				      struct drm_file *file_priv);
163 int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
164 				    struct drm_file *file_priv);
165 
166 /* drm_encoder.c */
167 int drm_encoder_register_all(struct drm_device *dev);
168 void drm_encoder_unregister_all(struct drm_device *dev);
169 
170 /* IOCTL */
171 int drm_mode_getencoder(struct drm_device *dev,
172 			void *data, struct drm_file *file_priv);
173 
174 /* drm_connector.c */
175 void drm_connector_ida_init(void);
176 void drm_connector_ida_destroy(void);
177 void drm_connector_unregister_all(struct drm_device *dev);
178 int drm_connector_register_all(struct drm_device *dev);
179 int drm_connector_set_obj_prop(struct drm_mode_object *obj,
180 				    struct drm_property *property,
181 				    uint64_t value);
182 int drm_connector_create_standard_properties(struct drm_device *dev);
183 const char *drm_get_connector_force_name(enum drm_connector_force force);
184 void drm_connector_free_work_fn(struct work_struct *work);
185 
186 /* IOCTL */
187 int drm_connector_property_set_ioctl(struct drm_device *dev,
188 				     void *data, struct drm_file *file_priv);
189 int drm_mode_getconnector(struct drm_device *dev,
190 			  void *data, struct drm_file *file_priv);
191 
192 /* drm_framebuffer.c */
193 struct drm_framebuffer *
194 drm_internal_framebuffer_create(struct drm_device *dev,
195 				const struct drm_mode_fb_cmd2 *r,
196 				struct drm_file *file_priv);
197 void drm_framebuffer_free(struct kref *kref);
198 int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y,
199 				     uint32_t src_w, uint32_t src_h,
200 				     const struct drm_framebuffer *fb);
201 void drm_fb_release(struct drm_file *file_priv);
202 
203 int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
204 		   struct drm_file *file_priv);
205 int drm_mode_addfb2(struct drm_device *dev,
206 		    void *data, struct drm_file *file_priv);
207 int drm_mode_rmfb(struct drm_device *dev, u32 fb_id,
208 		  struct drm_file *file_priv);
209 
210 
211 /* IOCTL */
212 int drm_mode_addfb_ioctl(struct drm_device *dev,
213 			 void *data, struct drm_file *file_priv);
214 int drm_mode_addfb2_ioctl(struct drm_device *dev,
215 			  void *data, struct drm_file *file_priv);
216 int drm_mode_rmfb_ioctl(struct drm_device *dev,
217 			void *data, struct drm_file *file_priv);
218 int drm_mode_getfb(struct drm_device *dev,
219 		   void *data, struct drm_file *file_priv);
220 int drm_mode_getfb2_ioctl(struct drm_device *dev,
221 			  void *data, struct drm_file *file_priv);
222 int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
223 			   void *data, struct drm_file *file_priv);
224 
225 /* drm_atomic.c */
226 #ifdef CONFIG_DEBUG_FS
227 struct drm_minor;
228 void drm_atomic_debugfs_init(struct drm_minor *minor);
229 #endif
230 
231 int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
232 				      struct drm_plane_state *plane_state);
233 int __drm_atomic_helper_set_config(struct drm_mode_set *set,
234 				   struct drm_atomic_state *state);
235 
236 void drm_atomic_print_state(const struct drm_atomic_state *state);
237 
238 /* drm_atomic_uapi.c */
239 int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
240 				     struct drm_connector *connector,
241 				     int mode);
242 int drm_atomic_set_property(struct drm_atomic_state *state,
243 			    struct drm_file *file_priv,
244 			    struct drm_mode_object *obj,
245 			    struct drm_property *prop,
246 			    uint64_t prop_value);
247 int drm_atomic_get_property(struct drm_mode_object *obj,
248 			    struct drm_property *property, uint64_t *val);
249 
250 /* IOCTL */
251 int drm_mode_atomic_ioctl(struct drm_device *dev,
252 			  void *data, struct drm_file *file_priv);
253 
254 
255 /* drm_plane.c */
256 int drm_plane_register_all(struct drm_device *dev);
257 void drm_plane_unregister_all(struct drm_device *dev);
258 int drm_plane_check_pixel_format(struct drm_plane *plane,
259 				 u32 format, u64 modifier);
260 
261 /* drm_bridge.c */
262 void drm_bridge_detach(struct drm_bridge *bridge);
263 
264 /* IOCTL */
265 int drm_mode_getplane_res(struct drm_device *dev, void *data,
266 			  struct drm_file *file_priv);
267 int drm_mode_getplane(struct drm_device *dev,
268 		      void *data, struct drm_file *file_priv);
269 int drm_mode_setplane(struct drm_device *dev,
270 		      void *data, struct drm_file *file_priv);
271 int drm_mode_cursor_ioctl(struct drm_device *dev,
272 			  void *data, struct drm_file *file_priv);
273 int drm_mode_cursor2_ioctl(struct drm_device *dev,
274 			   void *data, struct drm_file *file_priv);
275 int drm_mode_page_flip_ioctl(struct drm_device *dev,
276 			     void *data, struct drm_file *file_priv);
277 
278 /* drm_edid.c */
279 void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
280 void drm_reset_display_info(struct drm_connector *connector);
281 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid);
282 void drm_update_tile_info(struct drm_connector *connector, const struct edid *edid);
283