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 * Copyright (c) 2020, The Linux Foundation. All rights reserved.
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 */
28
29 /*
30 * This header file contains mode setting related functions and definitions
31 * which are only used within the drm module as internal implementation details
32 * and are not exported to drivers.
33 */
34
35 #include <linux/types.h>
36
37 enum drm_color_encoding;
38 enum drm_color_range;
39 enum drm_connector_force;
40 enum drm_mode_status;
41
42 struct drm_atomic_state;
43 struct drm_bridge;
44 struct drm_connector;
45 struct drm_crtc;
46 struct drm_device;
47 struct drm_display_mode;
48 struct drm_file;
49 struct drm_framebuffer;
50 struct drm_mode_create_dumb;
51 struct drm_mode_fb_cmd2;
52 struct drm_mode_fb_cmd;
53 struct drm_mode_object;
54 struct drm_mode_set;
55 struct drm_plane;
56 struct drm_plane_state;
57 struct drm_property;
58 struct edid;
59 struct fwnode_handle;
60 struct kref;
61 struct seq_file;
62 struct work_struct;
63
64 /* drm_crtc.c */
65 int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
66 struct drm_property *property,
67 uint64_t value);
68 int drm_crtc_check_viewport(const struct drm_crtc *crtc,
69 int x, int y,
70 const struct drm_display_mode *mode,
71 const struct drm_framebuffer *fb);
72 int drm_crtc_register_all(struct drm_device *dev);
73 void drm_crtc_unregister_all(struct drm_device *dev);
74 int drm_crtc_force_disable(struct drm_crtc *crtc);
75
76 struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc);
77
78 struct drm_property *
79 drm_create_scaling_filter_prop(struct drm_device *dev,
80 unsigned int supported_filters);
81 /* IOCTLs */
82 int drm_mode_getcrtc(struct drm_device *dev,
83 void *data, struct drm_file *file_priv);
84 int drm_mode_setcrtc(struct drm_device *dev,
85 void *data, struct drm_file *file_priv);
86
87
88 /* drm_mode_config.c */
89 int drm_modeset_register_all(struct drm_device *dev);
90 void drm_modeset_unregister_all(struct drm_device *dev);
91 void drm_mode_config_validate(struct drm_device *dev);
92
93 /* drm_modes.c */
94 const char *drm_get_mode_status_name(enum drm_mode_status status);
95
96 /* IOCTLs */
97 int drm_mode_getresources(struct drm_device *dev,
98 void *data, struct drm_file *file_priv);
99
100
101 /* drm_dumb_buffers.c */
102 int drm_mode_create_dumb(struct drm_device *dev,
103 struct drm_mode_create_dumb *args,
104 struct drm_file *file_priv);
105 int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle,
106 struct drm_file *file_priv);
107
108 /* IOCTLs */
109 int drm_mode_create_dumb_ioctl(struct drm_device *dev,
110 void *data, struct drm_file *file_priv);
111 int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
112 void *data, struct drm_file *file_priv);
113 int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
114 void *data, struct drm_file *file_priv);
115
116 /* drm_color_mgmt.c */
117 const char *drm_get_color_encoding_name(enum drm_color_encoding encoding);
118 const char *drm_get_color_range_name(enum drm_color_range range);
119
120 /* IOCTLs */
121 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
122 void *data, struct drm_file *file_priv);
123 int drm_mode_gamma_set_ioctl(struct drm_device *dev,
124 void *data, struct drm_file *file_priv);
125
126 /* drm_property.c */
127 void drm_property_destroy_user_blobs(struct drm_device *dev,
128 struct drm_file *file_priv);
129 bool drm_property_change_valid_get(struct drm_property *property,
130 uint64_t value,
131 struct drm_mode_object **ref);
132 void drm_property_change_valid_put(struct drm_property *property,
133 struct drm_mode_object *ref);
134
135 /* IOCTL */
136 int drm_mode_getproperty_ioctl(struct drm_device *dev,
137 void *data, struct drm_file *file_priv);
138 int drm_mode_getblob_ioctl(struct drm_device *dev,
139 void *data, struct drm_file *file_priv);
140 int drm_mode_createblob_ioctl(struct drm_device *dev,
141 void *data, struct drm_file *file_priv);
142 int drm_mode_destroyblob_ioctl(struct drm_device *dev,
143 void *data, struct drm_file *file_priv);
144
145 /* drm_mode_object.c */
146 int __drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
147 uint32_t obj_type, bool register_obj,
148 void (*obj_free_cb)(struct kref *kref));
149 int drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
150 uint32_t obj_type);
151 void drm_mode_object_register(struct drm_device *dev,
152 struct drm_mode_object *obj);
153 struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
154 struct drm_file *file_priv,
155 uint32_t id, uint32_t type);
156 void drm_mode_object_unregister(struct drm_device *dev,
157 struct drm_mode_object *object);
158 int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
159 uint32_t __user *prop_ptr,
160 uint64_t __user *prop_values,
161 uint32_t *arg_count_props);
162 struct drm_property *drm_mode_obj_find_prop_id(struct drm_mode_object *obj,
163 uint32_t prop_id);
164
165 /* IOCTL */
166
167 int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
168 struct drm_file *file_priv);
169 int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
170 struct drm_file *file_priv);
171
172 /* drm_encoder.c */
173 int drm_encoder_register_all(struct drm_device *dev);
174 void drm_encoder_unregister_all(struct drm_device *dev);
175
176 /* IOCTL */
177 int drm_mode_getencoder(struct drm_device *dev,
178 void *data, struct drm_file *file_priv);
179
180 /* drm_connector.c */
181 void drm_connector_ida_init(void);
182 void drm_connector_ida_destroy(void);
183 void drm_connector_unregister_all(struct drm_device *dev);
184 int drm_connector_register_all(struct drm_device *dev);
185 int drm_connector_set_obj_prop(struct drm_mode_object *obj,
186 struct drm_property *property,
187 uint64_t value);
188 int drm_connector_create_standard_properties(struct drm_device *dev);
189 const char *drm_get_connector_force_name(enum drm_connector_force force);
190 void drm_connector_free_work_fn(struct work_struct *work);
191 struct drm_connector *drm_connector_find_by_fwnode(struct fwnode_handle *fwnode);
192
193 /* IOCTL */
194 int drm_connector_property_set_ioctl(struct drm_device *dev,
195 void *data, struct drm_file *file_priv);
196 int drm_mode_getconnector(struct drm_device *dev,
197 void *data, struct drm_file *file_priv);
198
199 /* drm_framebuffer.c */
200 struct drm_framebuffer *
201 drm_internal_framebuffer_create(struct drm_device *dev,
202 const struct drm_mode_fb_cmd2 *r,
203 struct drm_file *file_priv);
204 void drm_framebuffer_free(struct kref *kref);
205 int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y,
206 uint32_t src_w, uint32_t src_h,
207 const struct drm_framebuffer *fb);
208 void drm_fb_release(struct drm_file *file_priv);
209
210 int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
211 struct drm_file *file_priv);
212 int drm_mode_addfb2(struct drm_device *dev,
213 void *data, struct drm_file *file_priv);
214 int drm_mode_rmfb(struct drm_device *dev, u32 fb_id,
215 struct drm_file *file_priv);
216
217
218 /* IOCTL */
219 int drm_mode_addfb_ioctl(struct drm_device *dev,
220 void *data, struct drm_file *file_priv);
221 int drm_mode_addfb2_ioctl(struct drm_device *dev,
222 void *data, struct drm_file *file_priv);
223 int drm_mode_rmfb_ioctl(struct drm_device *dev,
224 void *data, struct drm_file *file_priv);
225 int drm_mode_getfb(struct drm_device *dev,
226 void *data, struct drm_file *file_priv);
227 int drm_mode_getfb2_ioctl(struct drm_device *dev,
228 void *data, struct drm_file *file_priv);
229 int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
230 void *data, struct drm_file *file_priv);
231
232 /* drm_atomic.c */
233 #ifdef CONFIG_DEBUG_FS
234 struct drm_minor;
235 void drm_atomic_debugfs_init(struct drm_minor *minor);
236 #endif
237
238 int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
239 struct drm_plane_state *plane_state);
240 int __drm_atomic_helper_set_config(struct drm_mode_set *set,
241 struct drm_atomic_state *state);
242
243 void drm_atomic_print_new_state(const struct drm_atomic_state *state,
244 struct drm_printer *p);
245
246 /* drm_atomic_uapi.c */
247 int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
248 struct drm_connector *connector,
249 int mode);
250 int drm_atomic_set_property(struct drm_atomic_state *state,
251 struct drm_file *file_priv,
252 struct drm_mode_object *obj,
253 struct drm_property *prop,
254 uint64_t prop_value);
255 int drm_atomic_get_property(struct drm_mode_object *obj,
256 struct drm_property *property, uint64_t *val);
257
258 /* IOCTL */
259 int drm_mode_atomic_ioctl(struct drm_device *dev,
260 void *data, struct drm_file *file_priv);
261
262
263 /* drm_plane.c */
264 int drm_plane_register_all(struct drm_device *dev);
265 void drm_plane_unregister_all(struct drm_device *dev);
266 int drm_plane_check_pixel_format(struct drm_plane *plane,
267 u32 format, u64 modifier);
268 struct drm_mode_rect *
269 __drm_plane_get_damage_clips(const struct drm_plane_state *state);
270
271 /* drm_bridge.c */
272 void drm_bridge_detach(struct drm_bridge *bridge);
273
274 /* IOCTL */
275 int drm_mode_getplane_res(struct drm_device *dev, void *data,
276 struct drm_file *file_priv);
277 int drm_mode_getplane(struct drm_device *dev,
278 void *data, struct drm_file *file_priv);
279 int drm_mode_setplane(struct drm_device *dev,
280 void *data, struct drm_file *file_priv);
281 int drm_mode_cursor_ioctl(struct drm_device *dev,
282 void *data, struct drm_file *file_priv);
283 int drm_mode_cursor2_ioctl(struct drm_device *dev,
284 void *data, struct drm_file *file_priv);
285 int drm_mode_page_flip_ioctl(struct drm_device *dev,
286 void *data, struct drm_file *file_priv);
287
288 /* drm_edid.c */
289 void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
290 int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m);
291 int drm_edid_override_set(struct drm_connector *connector, const void *edid, size_t size);
292 int drm_edid_override_reset(struct drm_connector *connector);
293
294 /* drm_edid_load.c */
295 #ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
296 const struct drm_edid *drm_edid_load_firmware(struct drm_connector *connector);
297 #else
298 static inline const struct drm_edid *
drm_edid_load_firmware(struct drm_connector * connector)299 drm_edid_load_firmware(struct drm_connector *connector)
300 {
301 return ERR_PTR(-ENOENT);
302 }
303 #endif
304