xref: /openbmc/linux/drivers/gpu/drm/drm_internal.h (revision 9bd5910d)
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 <drm/drm_ioctl.h>
25 
26 #define DRM_IF_MAJOR 1
27 #define DRM_IF_MINOR 4
28 
29 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
30 
31 struct dentry;
32 struct dma_buf;
33 struct drm_connector;
34 struct drm_crtc;
35 struct drm_framebuffer;
36 struct drm_gem_object;
37 struct drm_master;
38 struct drm_minor;
39 struct drm_prime_file_private;
40 struct drm_printer;
41 
42 /* drm_file.c */
43 extern struct mutex drm_global_mutex;
44 struct drm_file *drm_file_alloc(struct drm_minor *minor);
45 void drm_file_free(struct drm_file *file);
46 void drm_lastclose(struct drm_device *dev);
47 
48 #ifdef CONFIG_PCI
49 
50 /* drm_pci.c */
51 int drm_irq_by_busid(struct drm_device *dev, void *data,
52 		     struct drm_file *file_priv);
53 void drm_pci_agp_destroy(struct drm_device *dev);
54 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
55 
56 #else
57 
58 static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
59 				   struct drm_file *file_priv)
60 {
61 	return -EINVAL;
62 }
63 
64 static inline void drm_pci_agp_destroy(struct drm_device *dev)
65 {
66 }
67 
68 static inline int drm_pci_set_busid(struct drm_device *dev,
69 				    struct drm_master *master)
70 {
71 	return -EINVAL;
72 }
73 
74 #endif
75 
76 /* drm_prime.c */
77 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
78 				 struct drm_file *file_priv);
79 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
80 				 struct drm_file *file_priv);
81 
82 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
83 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
84 void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
85 					struct dma_buf *dma_buf);
86 
87 /* drm_drv.c */
88 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
89 void drm_minor_release(struct drm_minor *minor);
90 
91 /* drm_vblank.c */
92 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
93 void drm_vblank_cleanup(struct drm_device *dev);
94 
95 /* IOCTLS */
96 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
97 			  struct drm_file *filp);
98 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
99 				 struct drm_file *file_priv);
100 
101 /* drm_irq.c */
102 
103 /* IOCTLS */
104 #if IS_ENABLED(CONFIG_DRM_LEGACY)
105 int drm_legacy_irq_control(struct drm_device *dev, void *data,
106 			   struct drm_file *file_priv);
107 #endif
108 
109 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
110 				struct drm_file *filp);
111 
112 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
113 				  struct drm_file *filp);
114 
115 /* drm_auth.c */
116 int drm_getmagic(struct drm_device *dev, void *data,
117 		 struct drm_file *file_priv);
118 int drm_authmagic(struct drm_device *dev, void *data,
119 		  struct drm_file *file_priv);
120 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
121 			struct drm_file *file_priv);
122 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
123 			 struct drm_file *file_priv);
124 int drm_master_open(struct drm_file *file_priv);
125 void drm_master_release(struct drm_file *file_priv);
126 bool drm_master_internal_acquire(struct drm_device *dev);
127 void drm_master_internal_release(struct drm_device *dev);
128 
129 /* drm_sysfs.c */
130 extern struct class *drm_class;
131 
132 int drm_sysfs_init(void);
133 void drm_sysfs_destroy(void);
134 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
135 int drm_sysfs_connector_add(struct drm_connector *connector);
136 void drm_sysfs_connector_remove(struct drm_connector *connector);
137 
138 void drm_sysfs_lease_event(struct drm_device *dev);
139 
140 /* drm_gem.c */
141 struct drm_gem_object;
142 int drm_gem_init(struct drm_device *dev);
143 void drm_gem_destroy(struct drm_device *dev);
144 int drm_gem_handle_create_tail(struct drm_file *file_priv,
145 			       struct drm_gem_object *obj,
146 			       u32 *handlep);
147 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
148 			struct drm_file *file_priv);
149 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
150 			struct drm_file *file_priv);
151 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
152 		       struct drm_file *file_priv);
153 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
154 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
155 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
156 			const struct drm_gem_object *obj);
157 
158 int drm_gem_pin(struct drm_gem_object *obj);
159 void drm_gem_unpin(struct drm_gem_object *obj);
160 void *drm_gem_vmap(struct drm_gem_object *obj);
161 void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
162 
163 /* drm_debugfs.c drm_debugfs_crc.c */
164 #if defined(CONFIG_DEBUG_FS)
165 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
166 		     struct dentry *root);
167 void drm_debugfs_cleanup(struct drm_minor *minor);
168 void drm_debugfs_connector_add(struct drm_connector *connector);
169 void drm_debugfs_connector_remove(struct drm_connector *connector);
170 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
171 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
172 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
173 #else
174 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
175 				   struct dentry *root)
176 {
177 	return 0;
178 }
179 
180 static inline void drm_debugfs_cleanup(struct drm_minor *minor)
181 {
182 }
183 
184 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
185 {
186 }
187 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
188 {
189 }
190 
191 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
192 {
193 }
194 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
195 {
196 }
197 
198 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
199 {
200 }
201 
202 #endif
203 
204 drm_ioctl_t drm_version;
205 drm_ioctl_t drm_getunique;
206 drm_ioctl_t drm_getclient;
207 
208 /* drm_syncobj.c */
209 void drm_syncobj_open(struct drm_file *file_private);
210 void drm_syncobj_release(struct drm_file *file_private);
211 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
212 			     struct drm_file *file_private);
213 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
214 			      struct drm_file *file_private);
215 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
216 				   struct drm_file *file_private);
217 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
218 				   struct drm_file *file_private);
219 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
220 			       struct drm_file *file_private);
221 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
222 			   struct drm_file *file_private);
223 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
224 				    struct drm_file *file_private);
225 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
226 			    struct drm_file *file_private);
227 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
228 			     struct drm_file *file_private);
229 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
230 				      struct drm_file *file_private);
231 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
232 			    struct drm_file *file_private);
233 
234 /* drm_framebuffer.c */
235 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
236 				const struct drm_framebuffer *fb);
237 int drm_framebuffer_debugfs_init(struct drm_minor *minor);
238 
239 /* drm_hdcp.c */
240 int drm_setup_hdcp_srm(struct class *drm_class);
241 void drm_teardown_hdcp_srm(struct class *drm_class);
242