1 /*
2 * Copyright © 2014 Intel Corporation
3 * Daniel Vetter <daniel.vetter@ffwll.ch>
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
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.
22 */
23
24 #include <linux/kthread.h>
25
26 #include <drm/drm_ioctl.h>
27 #include <drm/drm_vblank.h>
28
29 #define DRM_IF_MAJOR 1
30 #define DRM_IF_MINOR 4
31
32 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
33
34 struct dentry;
35 struct dma_buf;
36 struct iosys_map;
37 struct drm_connector;
38 struct drm_crtc;
39 struct drm_framebuffer;
40 struct drm_gem_object;
41 struct drm_master;
42 struct drm_minor;
43 struct drm_prime_file_private;
44 struct drm_printer;
45 struct drm_vblank_crtc;
46
47 /* drm_file.c */
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);
53
54 #ifdef CONFIG_PCI
55
56 /* drm_pci.c */
57 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
58
59 #else
60
drm_pci_set_busid(struct drm_device * dev,struct drm_master * master)61 static inline int drm_pci_set_busid(struct drm_device *dev,
62 struct drm_master *master)
63 {
64 return -EINVAL;
65 }
66
67 #endif
68
69 /* drm_prime.c */
70 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
71 struct drm_file *file_priv);
72 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
73 struct drm_file *file_priv);
74
75 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
76 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
77 void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,
78 uint32_t handle);
79
80 /* drm_managed.c */
81 void drm_managed_release(struct drm_device *dev);
82 void drmm_add_final_kfree(struct drm_device *dev, void *container);
83
84 /* drm_vblank.c */
drm_vblank_passed(u64 seq,u64 ref)85 static inline bool drm_vblank_passed(u64 seq, u64 ref)
86 {
87 return (seq - ref) <= (1 << 23);
88 }
89
90 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
91 int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
92 void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
93 u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
94
95 /* drm_vblank_work.c */
drm_vblank_flush_worker(struct drm_vblank_crtc * vblank)96 static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
97 {
98 kthread_flush_worker(vblank->worker);
99 }
100
drm_vblank_destroy_worker(struct drm_vblank_crtc * vblank)101 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
102 {
103 if (vblank->worker)
104 kthread_destroy_worker(vblank->worker);
105 }
106
107 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
108 void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
109 void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
110
111 /* IOCTLS */
112 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
113 struct drm_file *filp);
114 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
115 struct drm_file *file_priv);
116
117 /* drm_irq.c */
118
119 /* IOCTLS */
120 #if IS_ENABLED(CONFIG_DRM_LEGACY)
121 int drm_legacy_irq_control(struct drm_device *dev, void *data,
122 struct drm_file *file_priv);
123 #endif
124
125 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
126 struct drm_file *filp);
127
128 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
129 struct drm_file *filp);
130
131 /* drm_auth.c */
132 int drm_getmagic(struct drm_device *dev, void *data,
133 struct drm_file *file_priv);
134 int drm_authmagic(struct drm_device *dev, void *data,
135 struct drm_file *file_priv);
136 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
137 struct drm_file *file_priv);
138 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
139 struct drm_file *file_priv);
140 int drm_master_open(struct drm_file *file_priv);
141 void drm_master_release(struct drm_file *file_priv);
142 bool drm_master_internal_acquire(struct drm_device *dev);
143 void drm_master_internal_release(struct drm_device *dev);
144
145 /* drm_sysfs.c */
146 extern struct class *drm_class;
147
148 int drm_sysfs_init(void);
149 void drm_sysfs_destroy(void);
150 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
151 int drm_sysfs_connector_add(struct drm_connector *connector);
152 void drm_sysfs_connector_remove(struct drm_connector *connector);
153
154 void drm_sysfs_lease_event(struct drm_device *dev);
155
156 /* drm_gem.c */
157 int drm_gem_init(struct drm_device *dev);
158 int drm_gem_handle_create_tail(struct drm_file *file_priv,
159 struct drm_gem_object *obj,
160 u32 *handlep);
161 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
162 struct drm_file *file_priv);
163 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
164 struct drm_file *file_priv);
165 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
166 struct drm_file *file_priv);
167 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
168 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
169 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
170 const struct drm_gem_object *obj);
171
172 int drm_gem_pin(struct drm_gem_object *obj);
173 void drm_gem_unpin(struct drm_gem_object *obj);
174 int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
175 void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
176
177 /* drm_debugfs.c drm_debugfs_crc.c */
178 #if defined(CONFIG_DEBUG_FS)
179 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
180 struct dentry *root);
181 void drm_debugfs_cleanup(struct drm_minor *minor);
182 void drm_debugfs_late_register(struct drm_device *dev);
183 void drm_debugfs_connector_add(struct drm_connector *connector);
184 void drm_debugfs_connector_remove(struct drm_connector *connector);
185 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
186 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
187 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
188 #else
drm_debugfs_init(struct drm_minor * minor,int minor_id,struct dentry * root)189 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
190 struct dentry *root)
191 {
192 return 0;
193 }
194
drm_debugfs_cleanup(struct drm_minor * minor)195 static inline void drm_debugfs_cleanup(struct drm_minor *minor)
196 {
197 }
198
drm_debugfs_late_register(struct drm_device * dev)199 static inline void drm_debugfs_late_register(struct drm_device *dev)
200 {
201 }
202
drm_debugfs_connector_add(struct drm_connector * connector)203 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
204 {
205 }
drm_debugfs_connector_remove(struct drm_connector * connector)206 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
207 {
208 }
209
drm_debugfs_crtc_add(struct drm_crtc * crtc)210 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
211 {
212 }
drm_debugfs_crtc_remove(struct drm_crtc * crtc)213 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
214 {
215 }
216
drm_debugfs_crtc_crc_add(struct drm_crtc * crtc)217 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
218 {
219 }
220
221 #endif
222
223 drm_ioctl_t drm_version;
224 drm_ioctl_t drm_getunique;
225 drm_ioctl_t drm_getclient;
226
227 /* drm_syncobj.c */
228 void drm_syncobj_open(struct drm_file *file_private);
229 void drm_syncobj_release(struct drm_file *file_private);
230 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
231 struct drm_file *file_private);
232 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
233 struct drm_file *file_private);
234 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
235 struct drm_file *file_private);
236 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
237 struct drm_file *file_private);
238 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
239 struct drm_file *file_private);
240 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
241 struct drm_file *file_private);
242 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
243 struct drm_file *file_private);
244 int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,
245 struct drm_file *file_private);
246 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
247 struct drm_file *file_private);
248 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
249 struct drm_file *file_private);
250 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
251 struct drm_file *file_private);
252 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
253 struct drm_file *file_private);
254
255 /* drm_framebuffer.c */
256 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
257 const struct drm_framebuffer *fb);
258 void drm_framebuffer_debugfs_init(struct drm_minor *minor);
259