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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
37enum drm_color_encoding;
38enum drm_color_range;
39enum drm_connector_force;
40enum drm_mode_status;
41
42struct drm_atomic_state;
43struct drm_bridge;
44struct drm_connector;
45struct drm_crtc;
46struct drm_device;
47struct drm_display_mode;
48struct drm_file;
49struct drm_framebuffer;
50struct drm_mode_create_dumb;
51struct drm_mode_fb_cmd2;
52struct drm_mode_fb_cmd;
53struct drm_mode_object;
54struct drm_mode_set;
55struct drm_plane;
56struct drm_plane_state;
57struct drm_property;
58struct edid;
59struct fwnode_handle;
60struct kref;
61struct seq_file;
62struct work_struct;
63
64/* drm_crtc.c */
65int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
66 struct drm_property *property,
67 uint64_t value);
68int 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);
72int drm_crtc_register_all(struct drm_device *dev);
73void drm_crtc_unregister_all(struct drm_device *dev);
74int drm_crtc_force_disable(struct drm_crtc *crtc);
75
76struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc);
77
78struct drm_property *
79drm_create_scaling_filter_prop(struct drm_device *dev,
80 unsigned int supported_filters);
81/* IOCTLs */
82int drm_mode_getcrtc(struct drm_device *dev,
83 void *data, struct drm_file *file_priv);
84int drm_mode_setcrtc(struct drm_device *dev,
85 void *data, struct drm_file *file_priv);
86
87
88/* drm_mode_config.c */
89int drm_modeset_register_all(struct drm_device *dev);
90void drm_modeset_unregister_all(struct drm_device *dev);
91void drm_mode_config_validate(struct drm_device *dev);
92
93/* drm_modes.c */
94const char *drm_get_mode_status_name(enum drm_mode_status status);
95
96/* IOCTLs */
97int drm_mode_getresources(struct drm_device *dev,
98 void *data, struct drm_file *file_priv);
99
100
101/* drm_dumb_buffers.c */
102int drm_mode_create_dumb(struct drm_device *dev,
103 struct drm_mode_create_dumb *args,
104 struct drm_file *file_priv);
105int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle,
106 struct drm_file *file_priv);
107
108/* IOCTLs */
109int drm_mode_create_dumb_ioctl(struct drm_device *dev,
110 void *data, struct drm_file *file_priv);
111int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
112 void *data, struct drm_file *file_priv);
113int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
114 void *data, struct drm_file *file_priv);
115
116/* drm_color_mgmt.c */
117const char *drm_get_color_encoding_name(enum drm_color_encoding encoding);
118const char *drm_get_color_range_name(enum drm_color_range range);
119
120/* IOCTLs */
121int drm_mode_gamma_get_ioctl(struct drm_device *dev,
122 void *data, struct drm_file *file_priv);
123int drm_mode_gamma_set_ioctl(struct drm_device *dev,
124 void *data, struct drm_file *file_priv);
125
126/* drm_property.c */
127void drm_property_destroy_user_blobs(struct drm_device *dev,
128 struct drm_file *file_priv);
129bool drm_property_change_valid_get(struct drm_property *property,
130 uint64_t value,
131 struct drm_mode_object **ref);
132void drm_property_change_valid_put(struct drm_property *property,
133 struct drm_mode_object *ref);
134
135/* IOCTL */
136int drm_mode_getproperty_ioctl(struct drm_device *dev,
137 void *data, struct drm_file *file_priv);
138int drm_mode_getblob_ioctl(struct drm_device *dev,
139 void *data, struct drm_file *file_priv);
140int drm_mode_createblob_ioctl(struct drm_device *dev,
141 void *data, struct drm_file *file_priv);
142int drm_mode_destroyblob_ioctl(struct drm_device *dev,
143 void *data, struct drm_file *file_priv);
144
145/* drm_mode_object.c */
146int __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));
149int drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
150 uint32_t obj_type);
151void drm_mode_object_register(struct drm_device *dev,
152 struct drm_mode_object *obj);
153struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
154 struct drm_file *file_priv,
155 uint32_t id, uint32_t type);
156void drm_mode_object_unregister(struct drm_device *dev,
157 struct drm_mode_object *object);
158int 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);
162struct drm_property *drm_mode_obj_find_prop_id(struct drm_mode_object *obj,
163 uint32_t prop_id);
164
165/* IOCTL */
166
167int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
168 struct drm_file *file_priv);
169int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
170 struct drm_file *file_priv);
171
172/* drm_encoder.c */
173int drm_encoder_register_all(struct drm_device *dev);
174void drm_encoder_unregister_all(struct drm_device *dev);
175
176/* IOCTL */
177int drm_mode_getencoder(struct drm_device *dev,
178 void *data, struct drm_file *file_priv);
179
180/* drm_connector.c */
181void drm_connector_ida_init(void);
182void drm_connector_ida_destroy(void);
183void drm_connector_unregister_all(struct drm_device *dev);
184int drm_connector_register_all(struct drm_device *dev);
185int drm_connector_set_obj_prop(struct drm_mode_object *obj,
186 struct drm_property *property,
187 uint64_t value);
188int drm_connector_create_standard_properties(struct drm_device *dev);
189const char *drm_get_connector_force_name(enum drm_connector_force force);
190void drm_connector_free_work_fn(struct work_struct *work);
191struct drm_connector *drm_connector_find_by_fwnode(struct fwnode_handle *fwnode);
192
193/* IOCTL */
194int drm_connector_property_set_ioctl(struct drm_device *dev,
195 void *data, struct drm_file *file_priv);
196int drm_mode_getconnector(struct drm_device *dev,
197 void *data, struct drm_file *file_priv);
198
199/* drm_framebuffer.c */
200struct drm_framebuffer *
201drm_internal_framebuffer_create(struct drm_device *dev,
202 const struct drm_mode_fb_cmd2 *r,
203 struct drm_file *file_priv);
204void drm_framebuffer_free(struct kref *kref);
205int 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);
208void drm_fb_release(struct drm_file *file_priv);
209
210int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
211 struct drm_file *file_priv);
212int drm_mode_addfb2(struct drm_device *dev,
213 void *data, struct drm_file *file_priv);
214int drm_mode_rmfb(struct drm_device *dev, u32 fb_id,
215 struct drm_file *file_priv);
216
217
218/* IOCTL */
219int drm_mode_addfb_ioctl(struct drm_device *dev,
220 void *data, struct drm_file *file_priv);
221int drm_mode_addfb2_ioctl(struct drm_device *dev,
222 void *data, struct drm_file *file_priv);
223int drm_mode_rmfb_ioctl(struct drm_device *dev,
224 void *data, struct drm_file *file_priv);
225int drm_mode_closefb_ioctl(struct drm_device *dev,
226 void *data, struct drm_file *file_priv);
227int drm_mode_getfb(struct drm_device *dev,
228 void *data, struct drm_file *file_priv);
229int drm_mode_getfb2_ioctl(struct drm_device *dev,
230 void *data, struct drm_file *file_priv);
231int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
232 void *data, struct drm_file *file_priv);
233
234/* drm_atomic.c */
235#ifdef CONFIG_DEBUG_FS
236struct drm_minor;
237void drm_atomic_debugfs_init(struct drm_device *dev);
238#endif
239
240int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
241 struct drm_plane_state *plane_state);
242int __drm_atomic_helper_set_config(struct drm_mode_set *set,
243 struct drm_atomic_state *state);
244
245void drm_atomic_print_new_state(const struct drm_atomic_state *state,
246 struct drm_printer *p);
247
248/* drm_atomic_uapi.c */
249int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
250 struct drm_connector *connector,
251 int mode);
252int drm_atomic_set_property(struct drm_atomic_state *state,
253 struct drm_file *file_priv,
254 struct drm_mode_object *obj,
255 struct drm_property *prop,
256 u64 prop_value, bool async_flip);
257int drm_atomic_get_property(struct drm_mode_object *obj,
258 struct drm_property *property, uint64_t *val);
259
260/* IOCTL */
261int drm_mode_atomic_ioctl(struct drm_device *dev,
262 void *data, struct drm_file *file_priv);
263
264
265/* drm_plane.c */
266int drm_plane_register_all(struct drm_device *dev);
267void drm_plane_unregister_all(struct drm_device *dev);
268int drm_plane_check_pixel_format(struct drm_plane *plane,
269 u32 format, u64 modifier);
270struct drm_mode_rect *
271__drm_plane_get_damage_clips(const struct drm_plane_state *state);
272
273/* drm_bridge.c */
274void drm_bridge_detach(struct drm_bridge *bridge);
275
276/* IOCTL */
277int drm_mode_getplane_res(struct drm_device *dev, void *data,
278 struct drm_file *file_priv);
279int drm_mode_getplane(struct drm_device *dev,
280 void *data, struct drm_file *file_priv);
281int drm_mode_setplane(struct drm_device *dev,
282 void *data, struct drm_file *file_priv);
283int drm_mode_cursor_ioctl(struct drm_device *dev,
284 void *data, struct drm_file *file_priv);
285int drm_mode_cursor2_ioctl(struct drm_device *dev,
286 void *data, struct drm_file *file_priv);
287int drm_mode_page_flip_ioctl(struct drm_device *dev,
288 void *data, struct drm_file *file_priv);
289
290/* drm_edid.c */
291void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
292int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m);
293int drm_edid_override_set(struct drm_connector *connector, const void *edid, size_t size);
294int drm_edid_override_reset(struct drm_connector *connector);
295
296/* drm_edid_load.c */
297#ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
298const struct drm_edid *drm_edid_load_firmware(struct drm_connector *connector);
299#else
300static inline const struct drm_edid *
301drm_edid_load_firmware(struct drm_connector *connector)
302{
303 return ERR_PTR(-ENOENT);
304}
305#endif