2 * Copyright © 2014 Intel Corporation
3 * Daniel Vetter <daniel.vetter@ffwll.ch>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
24 #include <linux/kthread.h>
26 #include <drm/drm_ioctl.h>
27 #include <drm/drm_vblank.h>
29 #define DRM_IF_MAJOR 1
30 #define DRM_IF_MINOR 4
32 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
39 struct drm_framebuffer;
40 struct drm_gem_object;
43 struct drm_prime_file_private;
45 struct drm_vblank_crtc;
48 extern struct mutex drm_global_mutex;
49 bool drm_dev_needs_global_mutex(struct drm_device *dev);
50 struct drm_file *drm_file_alloc(struct drm_minor *minor);
51 void drm_file_free(struct drm_file *file);
52 void drm_lastclose(struct drm_device *dev);
57 int drm_legacy_irq_by_busid(struct drm_device *dev, void *data,
58 struct drm_file *file_priv);
59 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
63 static inline int drm_legacy_irq_by_busid(struct drm_device *dev, void *data,
64 struct drm_file *file_priv)
69 static inline int drm_pci_set_busid(struct drm_device *dev,
70 struct drm_master *master)
78 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
79 struct drm_file *file_priv);
80 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
81 struct drm_file *file_priv);
83 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
84 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
85 void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
86 struct dma_buf *dma_buf);
89 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
90 void drm_minor_release(struct drm_minor *minor);
93 void drm_managed_release(struct drm_device *dev);
94 void drmm_add_final_kfree(struct drm_device *dev, void *container);
97 static inline bool drm_vblank_passed(u64 seq, u64 ref)
99 return (seq - ref) <= (1 << 23);
102 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
103 int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
104 void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
105 u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
107 /* drm_vblank_work.c */
108 static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
110 kthread_flush_worker(vblank->worker);
113 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
115 kthread_destroy_worker(vblank->worker);
118 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
119 void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
120 void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
123 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
124 struct drm_file *filp);
125 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
126 struct drm_file *file_priv);
131 #if IS_ENABLED(CONFIG_DRM_LEGACY)
132 int drm_legacy_irq_control(struct drm_device *dev, void *data,
133 struct drm_file *file_priv);
136 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
137 struct drm_file *filp);
139 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
140 struct drm_file *filp);
143 int drm_getmagic(struct drm_device *dev, void *data,
144 struct drm_file *file_priv);
145 int drm_authmagic(struct drm_device *dev, void *data,
146 struct drm_file *file_priv);
147 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
148 struct drm_file *file_priv);
149 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
150 struct drm_file *file_priv);
151 int drm_master_open(struct drm_file *file_priv);
152 void drm_master_release(struct drm_file *file_priv);
153 bool drm_master_internal_acquire(struct drm_device *dev);
154 void drm_master_internal_release(struct drm_device *dev);
157 extern struct class *drm_class;
159 int drm_sysfs_init(void);
160 void drm_sysfs_destroy(void);
161 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
162 int drm_sysfs_connector_add(struct drm_connector *connector);
163 void drm_sysfs_connector_remove(struct drm_connector *connector);
165 void drm_sysfs_lease_event(struct drm_device *dev);
168 int drm_gem_init(struct drm_device *dev);
169 int drm_gem_handle_create_tail(struct drm_file *file_priv,
170 struct drm_gem_object *obj,
172 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
173 struct drm_file *file_priv);
174 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
175 struct drm_file *file_priv);
176 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
177 struct drm_file *file_priv);
178 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
179 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
180 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
181 const struct drm_gem_object *obj);
183 int drm_gem_pin(struct drm_gem_object *obj);
184 void drm_gem_unpin(struct drm_gem_object *obj);
185 int drm_gem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map);
186 void drm_gem_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map);
188 int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
191 /* drm_debugfs.c drm_debugfs_crc.c */
192 #if defined(CONFIG_DEBUG_FS)
193 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
194 struct dentry *root);
195 void drm_debugfs_cleanup(struct drm_minor *minor);
196 void drm_debugfs_connector_add(struct drm_connector *connector);
197 void drm_debugfs_connector_remove(struct drm_connector *connector);
198 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
199 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
200 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
202 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
208 static inline void drm_debugfs_cleanup(struct drm_minor *minor)
212 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
215 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
219 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
222 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
226 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
232 drm_ioctl_t drm_version;
233 drm_ioctl_t drm_getunique;
234 drm_ioctl_t drm_getclient;
237 void drm_syncobj_open(struct drm_file *file_private);
238 void drm_syncobj_release(struct drm_file *file_private);
239 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
240 struct drm_file *file_private);
241 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
242 struct drm_file *file_private);
243 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
244 struct drm_file *file_private);
245 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
246 struct drm_file *file_private);
247 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
248 struct drm_file *file_private);
249 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
250 struct drm_file *file_private);
251 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
252 struct drm_file *file_private);
253 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
254 struct drm_file *file_private);
255 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
256 struct drm_file *file_private);
257 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
258 struct drm_file *file_private);
259 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
260 struct drm_file *file_private);
262 /* drm_framebuffer.c */
263 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
264 const struct drm_framebuffer *fb);
265 void drm_framebuffer_debugfs_init(struct drm_minor *minor);