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#ifndef __DRM_CRTC_INTERNAL_H__
36#define __DRM_CRTC_INTERNAL_H__
37
38#include <linux/err.h>
39#include <linux/types.h>
40
41enum drm_color_encoding;
42enum drm_color_range;
43enum drm_connector_force;
44enum drm_mode_status;
45
46struct cea_sad;
47struct drm_atomic_state;
48struct drm_bridge;
49struct drm_connector;
50struct drm_crtc;
51struct drm_device;
52struct drm_display_mode;
53struct drm_edid;
54struct drm_file;
55struct drm_framebuffer;
56struct drm_mode_create_dumb;
57struct drm_mode_fb_cmd2;
58struct drm_mode_fb_cmd;
59struct drm_mode_object;
60struct drm_mode_set;
61struct drm_plane;
62struct drm_plane_state;
63struct drm_printer;
64struct drm_property;
65struct edid;
66struct fwnode_handle;
67struct kref;
68struct seq_file;
69struct work_struct;
70
71/* drm_crtc.c */
72int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
73 struct drm_property *property,
74 uint64_t value);
75int drm_crtc_check_viewport(const struct drm_crtc *crtc,
76 int x, int y,
77 const struct drm_display_mode *mode,
78 const struct drm_framebuffer *fb);
79int drm_crtc_register_all(struct drm_device *dev);
80void drm_crtc_unregister_all(struct drm_device *dev);
81int drm_crtc_force_disable(struct drm_crtc *crtc);
82
83struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc);
84
85struct drm_property *
86drm_create_scaling_filter_prop(struct drm_device *dev,
87 unsigned int supported_filters);
88/* IOCTLs */
89int drm_mode_getcrtc(struct drm_device *dev,
90 void *data, struct drm_file *file_priv);
91int drm_mode_setcrtc(struct drm_device *dev,
92 void *data, struct drm_file *file_priv);
93
94
95/* drm_mode_config.c */
96int drm_modeset_register_all(struct drm_device *dev);
97void drm_modeset_unregister_all(struct drm_device *dev);
98void drm_mode_config_validate(struct drm_device *dev);
99
100/* drm_modes.c */
101const char *drm_get_mode_status_name(enum drm_mode_status status);
102
103/* IOCTLs */
104int drm_mode_getresources(struct drm_device *dev,
105 void *data, struct drm_file *file_priv);
106
107
108/* drm_dumb_buffers.c */
109int drm_mode_create_dumb(struct drm_device *dev,
110 struct drm_mode_create_dumb *args,
111 struct drm_file *file_priv);
112int drm_mode_destroy_dumb(struct drm_device *dev, u32 handle,
113 struct drm_file *file_priv);
114
115/* IOCTLs */
116int drm_mode_create_dumb_ioctl(struct drm_device *dev,
117 void *data, struct drm_file *file_priv);
118int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
119 void *data, struct drm_file *file_priv);
120int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
121 void *data, struct drm_file *file_priv);
122
123/* drm_color_mgmt.c */
124const char *drm_get_color_encoding_name(enum drm_color_encoding encoding);
125const char *drm_get_color_range_name(enum drm_color_range range);
126
127/* IOCTLs */
128int drm_mode_gamma_get_ioctl(struct drm_device *dev,
129 void *data, struct drm_file *file_priv);
130int drm_mode_gamma_set_ioctl(struct drm_device *dev,
131 void *data, struct drm_file *file_priv);
132
133/* drm_property.c */
134void drm_property_destroy_user_blobs(struct drm_device *dev,
135 struct drm_file *file_priv);
136bool drm_property_change_valid_get(struct drm_property *property,
137 uint64_t value,
138 struct drm_mode_object **ref);
139void drm_property_change_valid_put(struct drm_property *property,
140 struct drm_mode_object *ref);
141
142/* IOCTL */
143int drm_mode_getproperty_ioctl(struct drm_device *dev,
144 void *data, struct drm_file *file_priv);
145int drm_mode_getblob_ioctl(struct drm_device *dev,
146 void *data, struct drm_file *file_priv);
147int drm_mode_createblob_ioctl(struct drm_device *dev,
148 void *data, struct drm_file *file_priv);
149int drm_mode_destroyblob_ioctl(struct drm_device *dev,
150 void *data, struct drm_file *file_priv);
151
152/* drm_mode_object.c */
153int __drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
154 uint32_t obj_type, bool register_obj,
155 void (*obj_free_cb)(struct kref *kref));
156int drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
157 uint32_t obj_type);
158void drm_mode_object_register(struct drm_device *dev,
159 struct drm_mode_object *obj);
160struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
161 struct drm_file *file_priv,
162 uint32_t id, uint32_t type);
163void drm_mode_object_unregister(struct drm_device *dev,
164 struct drm_mode_object *object);
165int drm_mode_object_get_properties(struct drm_mode_object *obj, bool atomic,
166 uint32_t __user *prop_ptr,
167 uint64_t __user *prop_values,
168 uint32_t *arg_count_props);
169struct drm_property *drm_mode_obj_find_prop_id(struct drm_mode_object *obj,
170 uint32_t prop_id);
171
172/* IOCTL */
173
174int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
175 struct drm_file *file_priv);
176int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
177 struct drm_file *file_priv);
178
179/* drm_encoder.c */
180int drm_encoder_register_all(struct drm_device *dev);
181void drm_encoder_unregister_all(struct drm_device *dev);
182
183/* IOCTL */
184int drm_mode_getencoder(struct drm_device *dev,
185 void *data, struct drm_file *file_priv);
186
187/* drm_connector.c */
188void drm_connector_ida_init(void);
189void drm_connector_ida_destroy(void);
190void drm_connector_unregister_all(struct drm_device *dev);
191int drm_connector_register_all(struct drm_device *dev);
192int drm_connector_set_obj_prop(struct drm_mode_object *obj,
193 struct drm_property *property,
194 uint64_t value);
195int drm_connector_create_standard_properties(struct drm_device *dev);
196const char *drm_get_connector_force_name(enum drm_connector_force force);
197void drm_connector_free_work_fn(struct work_struct *work);
198struct drm_connector *drm_connector_find_by_fwnode(struct fwnode_handle *fwnode);
199
200/* IOCTL */
201int drm_connector_property_set_ioctl(struct drm_device *dev,
202 void *data, struct drm_file *file_priv);
203int drm_mode_getconnector(struct drm_device *dev,
204 void *data, struct drm_file *file_priv);
205
206/* drm_framebuffer.c */
207struct drm_framebuffer *
208drm_internal_framebuffer_create(struct drm_device *dev,
209 const struct drm_mode_fb_cmd2 *r,
210 struct drm_file *file_priv);
211void drm_framebuffer_free(struct kref *kref);
212int drm_framebuffer_check_src_coords(uint32_t src_x, uint32_t src_y,
213 uint32_t src_w, uint32_t src_h,
214 const struct drm_framebuffer *fb);
215void drm_fb_release(struct drm_file *file_priv);
216
217int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
218 struct drm_file *file_priv);
219int drm_mode_addfb2(struct drm_device *dev,
220 void *data, struct drm_file *file_priv);
221int drm_mode_rmfb(struct drm_device *dev, u32 fb_id,
222 struct drm_file *file_priv);
223
224
225/* IOCTL */
226int drm_mode_addfb_ioctl(struct drm_device *dev,
227 void *data, struct drm_file *file_priv);
228int drm_mode_addfb2_ioctl(struct drm_device *dev,
229 void *data, struct drm_file *file_priv);
230int drm_mode_rmfb_ioctl(struct drm_device *dev,
231 void *data, struct drm_file *file_priv);
232int drm_mode_closefb_ioctl(struct drm_device *dev,
233 void *data, struct drm_file *file_priv);
234int drm_mode_getfb(struct drm_device *dev,
235 void *data, struct drm_file *file_priv);
236int drm_mode_getfb2_ioctl(struct drm_device *dev,
237 void *data, struct drm_file *file_priv);
238int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
239 void *data, struct drm_file *file_priv);
240
241/* drm_atomic.c */
242#ifdef CONFIG_DEBUG_FS
243struct drm_minor;
244void drm_atomic_debugfs_init(struct drm_device *dev);
245#endif
246
247int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
248 struct drm_plane_state *plane_state);
249int __drm_atomic_helper_set_config(struct drm_mode_set *set,
250 struct drm_atomic_state *state);
251
252void drm_atomic_print_new_state(const struct drm_atomic_state *state,
253 struct drm_printer *p);
254
255/* drm_atomic_uapi.c */
256int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
257 struct drm_connector *connector,
258 int mode);
259int drm_atomic_set_property(struct drm_atomic_state *state,
260 struct drm_file *file_priv,
261 struct drm_mode_object *obj,
262 struct drm_property *prop,
263 u64 prop_value, bool async_flip);
264int drm_atomic_get_property(struct drm_mode_object *obj,
265 struct drm_property *property, uint64_t *val);
266
267/* IOCTL */
268int drm_mode_atomic_ioctl(struct drm_device *dev,
269 void *data, struct drm_file *file_priv);
270
271
272/* drm_plane.c */
273int drm_plane_register_all(struct drm_device *dev);
274void drm_plane_unregister_all(struct drm_device *dev);
275struct drm_mode_rect *
276__drm_plane_get_damage_clips(const struct drm_plane_state *state);
277
278/* drm_bridge.c */
279void drm_bridge_detach(struct drm_bridge *bridge);
280
281/* IOCTL */
282int drm_mode_getplane_res(struct drm_device *dev, void *data,
283 struct drm_file *file_priv);
284int drm_mode_getplane(struct drm_device *dev,
285 void *data, struct drm_file *file_priv);
286int drm_mode_setplane(struct drm_device *dev,
287 void *data, struct drm_file *file_priv);
288int drm_mode_cursor_ioctl(struct drm_device *dev,
289 void *data, struct drm_file *file_priv);
290int drm_mode_cursor2_ioctl(struct drm_device *dev,
291 void *data, struct drm_file *file_priv);
292int drm_mode_page_flip_ioctl(struct drm_device *dev,
293 void *data, struct drm_file *file_priv);
294
295/* drm_edid.c */
296void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
297int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m);
298int drm_edid_override_set(struct drm_connector *connector, const void *edid, size_t size);
299int drm_edid_override_reset(struct drm_connector *connector);
300const u8 *drm_edid_find_extension(const struct drm_edid *drm_edid,
301 int ext_id, int *ext_index);
302void drm_edid_cta_sad_get(const struct cea_sad *cta_sad, u8 *sad);
303void drm_edid_cta_sad_set(struct cea_sad *cta_sad, const u8 *sad);
304ssize_t drm_edid_connector_property_show(struct drm_connector *connector,
305 char *buf, loff_t off, size_t count);
306
307/* drm_edid_load.c */
308#ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
309const struct drm_edid *drm_edid_load_firmware(struct drm_connector *connector);
310#else
311static inline const struct drm_edid *
312drm_edid_load_firmware(struct drm_connector *connector)
313{
314 return ERR_PTR(error: -ENOENT);
315}
316#endif
317
318/* drm_panic.c */
319#ifdef CONFIG_DRM_PANIC
320bool drm_panic_is_enabled(struct drm_device *dev);
321void drm_panic_register(struct drm_device *dev);
322void drm_panic_unregister(struct drm_device *dev);
323void drm_panic_init(void);
324void drm_panic_exit(void);
325#else
326static inline bool drm_panic_is_enabled(struct drm_device *dev) { return false; }
327static inline void drm_panic_register(struct drm_device *dev) {}
328static inline void drm_panic_unregister(struct drm_device *dev) {}
329static inline void drm_panic_init(void) {}
330static inline void drm_panic_exit(void) {}
331#endif
332
333#endif /* __DRM_CRTC_INTERNAL_H__ */
334