xref: /openbmc/linux/drivers/gpu/drm/drm_internal.h (revision b830f94f)
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 /* drm_pci.c */
49 int drm_irq_by_busid(struct drm_device *dev, void *data,
50 		     struct drm_file *file_priv);
51 void drm_pci_agp_destroy(struct drm_device *dev);
52 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
53 
54 /* drm_prime.c */
55 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
56 				 struct drm_file *file_priv);
57 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
58 				 struct drm_file *file_priv);
59 
60 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
61 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
62 void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
63 					struct dma_buf *dma_buf);
64 
65 /* drm_drv.c */
66 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
67 void drm_minor_release(struct drm_minor *minor);
68 
69 /* drm_vblank.c */
70 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
71 void drm_vblank_cleanup(struct drm_device *dev);
72 
73 /* IOCTLS */
74 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
75 			  struct drm_file *filp);
76 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
77 				 struct drm_file *file_priv);
78 
79 /* drm_irq.c */
80 
81 /* IOCTLS */
82 #if IS_ENABLED(CONFIG_DRM_LEGACY)
83 int drm_legacy_irq_control(struct drm_device *dev, void *data,
84 			   struct drm_file *file_priv);
85 #endif
86 
87 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
88 				struct drm_file *filp);
89 
90 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
91 				  struct drm_file *filp);
92 
93 /* drm_auth.c */
94 int drm_getmagic(struct drm_device *dev, void *data,
95 		 struct drm_file *file_priv);
96 int drm_authmagic(struct drm_device *dev, void *data,
97 		  struct drm_file *file_priv);
98 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
99 			struct drm_file *file_priv);
100 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
101 			 struct drm_file *file_priv);
102 int drm_master_open(struct drm_file *file_priv);
103 void drm_master_release(struct drm_file *file_priv);
104 bool drm_master_internal_acquire(struct drm_device *dev);
105 void drm_master_internal_release(struct drm_device *dev);
106 
107 /* drm_sysfs.c */
108 extern struct class *drm_class;
109 
110 int drm_sysfs_init(void);
111 void drm_sysfs_destroy(void);
112 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
113 int drm_sysfs_connector_add(struct drm_connector *connector);
114 void drm_sysfs_connector_remove(struct drm_connector *connector);
115 
116 void drm_sysfs_lease_event(struct drm_device *dev);
117 
118 /* drm_gem.c */
119 struct drm_gem_object;
120 int drm_gem_init(struct drm_device *dev);
121 void drm_gem_destroy(struct drm_device *dev);
122 int drm_gem_handle_create_tail(struct drm_file *file_priv,
123 			       struct drm_gem_object *obj,
124 			       u32 *handlep);
125 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
126 			struct drm_file *file_priv);
127 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
128 			struct drm_file *file_priv);
129 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
130 		       struct drm_file *file_priv);
131 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
132 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
133 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
134 			const struct drm_gem_object *obj);
135 
136 int drm_gem_pin(struct drm_gem_object *obj);
137 void drm_gem_unpin(struct drm_gem_object *obj);
138 void *drm_gem_vmap(struct drm_gem_object *obj);
139 void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
140 
141 /* drm_debugfs.c drm_debugfs_crc.c */
142 #if defined(CONFIG_DEBUG_FS)
143 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
144 		     struct dentry *root);
145 void drm_debugfs_cleanup(struct drm_minor *minor);
146 void drm_debugfs_connector_add(struct drm_connector *connector);
147 void drm_debugfs_connector_remove(struct drm_connector *connector);
148 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
149 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
150 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
151 #else
152 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
153 				   struct dentry *root)
154 {
155 	return 0;
156 }
157 
158 static inline void drm_debugfs_cleanup(struct drm_minor *minor)
159 {
160 }
161 
162 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
163 {
164 }
165 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
166 {
167 }
168 
169 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
170 {
171 }
172 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
173 {
174 }
175 
176 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
177 {
178 }
179 
180 #endif
181 
182 drm_ioctl_t drm_version;
183 drm_ioctl_t drm_getunique;
184 drm_ioctl_t drm_getclient;
185 
186 /* drm_syncobj.c */
187 void drm_syncobj_open(struct drm_file *file_private);
188 void drm_syncobj_release(struct drm_file *file_private);
189 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
190 			     struct drm_file *file_private);
191 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
192 			      struct drm_file *file_private);
193 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
194 				   struct drm_file *file_private);
195 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
196 				   struct drm_file *file_private);
197 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
198 			       struct drm_file *file_private);
199 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
200 			   struct drm_file *file_private);
201 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
202 				    struct drm_file *file_private);
203 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
204 			    struct drm_file *file_private);
205 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
206 			     struct drm_file *file_private);
207 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
208 				      struct drm_file *file_private);
209 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
210 			    struct drm_file *file_private);
211 
212 /* drm_framebuffer.c */
213 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
214 				const struct drm_framebuffer *fb);
215 int drm_framebuffer_debugfs_init(struct drm_minor *minor);
216 
217 /* drm_hdcp.c */
218 int drm_setup_hdcp_srm(struct class *drm_class);
219 void drm_teardown_hdcp_srm(struct class *drm_class);
220