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_drv.c */
81 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
82 void drm_minor_release(struct drm_minor *minor);
83
84 /* drm_managed.c */
85 void drm_managed_release(struct drm_device *dev);
86 void drmm_add_final_kfree(struct drm_device *dev, void *container);
87
88 /* drm_vblank.c */
drm_vblank_passed(u64 seq,u64 ref)89 static inline bool drm_vblank_passed(u64 seq, u64 ref)
90 {
91 return (seq - ref) <= (1 << 23);
92 }
93
94 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
95 int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
96 void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
97 u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
98
99 /* drm_vblank_work.c */
drm_vblank_flush_worker(struct drm_vblank_crtc * vblank)100 static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
101 {
102 kthread_flush_worker(vblank->worker);
103 }
104
drm_vblank_destroy_worker(struct drm_vblank_crtc * vblank)105 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
106 {
107 if (vblank->worker)
108 kthread_destroy_worker(vblank->worker);
109 }
110
111 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
112 void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
113 void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
114
115 /* IOCTLS */
116 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
117 struct drm_file *filp);
118 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
119 struct drm_file *file_priv);
120
121 /* drm_irq.c */
122
123 /* IOCTLS */
124 #if IS_ENABLED(CONFIG_DRM_LEGACY)
125 int drm_legacy_irq_control(struct drm_device *dev, void *data,
126 struct drm_file *file_priv);
127 #endif
128
129 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
130 struct drm_file *filp);
131
132 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
133 struct drm_file *filp);
134
135 /* drm_auth.c */
136 int drm_getmagic(struct drm_device *dev, void *data,
137 struct drm_file *file_priv);
138 int drm_authmagic(struct drm_device *dev, void *data,
139 struct drm_file *file_priv);
140 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
141 struct drm_file *file_priv);
142 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
143 struct drm_file *file_priv);
144 int drm_master_open(struct drm_file *file_priv);
145 void drm_master_release(struct drm_file *file_priv);
146 bool drm_master_internal_acquire(struct drm_device *dev);
147 void drm_master_internal_release(struct drm_device *dev);
148
149 /* drm_sysfs.c */
150 extern struct class *drm_class;
151
152 int drm_sysfs_init(void);
153 void drm_sysfs_destroy(void);
154 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
155 int drm_sysfs_connector_add(struct drm_connector *connector);
156 void drm_sysfs_connector_remove(struct drm_connector *connector);
157
158 void drm_sysfs_lease_event(struct drm_device *dev);
159
160 /* drm_gem.c */
161 int drm_gem_init(struct drm_device *dev);
162 int drm_gem_handle_create_tail(struct drm_file *file_priv,
163 struct drm_gem_object *obj,
164 u32 *handlep);
165 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
166 struct drm_file *file_priv);
167 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
168 struct drm_file *file_priv);
169 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
170 struct drm_file *file_priv);
171 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
172 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
173 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
174 const struct drm_gem_object *obj);
175
176 int drm_gem_pin(struct drm_gem_object *obj);
177 void drm_gem_unpin(struct drm_gem_object *obj);
178 int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
179 void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
180
181 /* drm_debugfs.c drm_debugfs_crc.c */
182 #if defined(CONFIG_DEBUG_FS)
183 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
184 struct dentry *root);
185 void drm_debugfs_cleanup(struct drm_minor *minor);
186 void drm_debugfs_late_register(struct drm_device *dev);
187 void drm_debugfs_connector_add(struct drm_connector *connector);
188 void drm_debugfs_connector_remove(struct drm_connector *connector);
189 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
190 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
191 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
192 #else
drm_debugfs_init(struct drm_minor * minor,int minor_id,struct dentry * root)193 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
194 struct dentry *root)
195 {
196 return 0;
197 }
198
drm_debugfs_cleanup(struct drm_minor * minor)199 static inline void drm_debugfs_cleanup(struct drm_minor *minor)
200 {
201 }
202
drm_debugfs_late_register(struct drm_device * dev)203 static inline void drm_debugfs_late_register(struct drm_device *dev)
204 {
205 }
206
drm_debugfs_connector_add(struct drm_connector * connector)207 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
208 {
209 }
drm_debugfs_connector_remove(struct drm_connector * connector)210 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
211 {
212 }
213
drm_debugfs_crtc_add(struct drm_crtc * crtc)214 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
215 {
216 }
drm_debugfs_crtc_remove(struct drm_crtc * crtc)217 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
218 {
219 }
220
drm_debugfs_crtc_crc_add(struct drm_crtc * crtc)221 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
222 {
223 }
224
225 #endif
226
227 drm_ioctl_t drm_version;
228 drm_ioctl_t drm_getunique;
229 drm_ioctl_t drm_getclient;
230
231 /* drm_syncobj.c */
232 void drm_syncobj_open(struct drm_file *file_private);
233 void drm_syncobj_release(struct drm_file *file_private);
234 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
235 struct drm_file *file_private);
236 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
237 struct drm_file *file_private);
238 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
239 struct drm_file *file_private);
240 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
241 struct drm_file *file_private);
242 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
243 struct drm_file *file_private);
244 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
245 struct drm_file *file_private);
246 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
247 struct drm_file *file_private);
248 int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,
249 struct drm_file *file_private);
250 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
251 struct drm_file *file_private);
252 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
253 struct drm_file *file_private);
254 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
255 struct drm_file *file_private);
256 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
257 struct drm_file *file_private);
258
259 /* drm_framebuffer.c */
260 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
261 const struct drm_framebuffer *fb);
262 void drm_framebuffer_debugfs_init(struct drm_minor *minor);
263