Line data Source code
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 :
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 */
89 : static inline bool drm_vblank_passed(u64 seq, u64 ref)
90 : {
91 0 : 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 */
100 : static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
101 : {
102 0 : kthread_flush_worker(vblank->worker);
103 : }
104 :
105 : static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
106 : {
107 0 : if (vblank->worker)
108 0 : 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
193 : static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
194 : struct dentry *root)
195 : {
196 : return 0;
197 : }
198 :
199 : static inline void drm_debugfs_cleanup(struct drm_minor *minor)
200 : {
201 : }
202 :
203 : static inline void drm_debugfs_late_register(struct drm_device *dev)
204 : {
205 : }
206 :
207 : static inline void drm_debugfs_connector_add(struct drm_connector *connector)
208 : {
209 : }
210 : static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
211 : {
212 : }
213 :
214 : static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
215 : {
216 : }
217 : static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
218 : {
219 : }
220 :
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);
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