xref: /openbmc/linux/drivers/gpu/drm/drm_internal.h (revision ccb01374)
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 struct drm_prime_file_private;
30 struct dma_buf;
31 
32 /* drm_file.c */
33 extern struct mutex drm_global_mutex;
34 struct drm_file *drm_file_alloc(struct drm_minor *minor);
35 void drm_file_free(struct drm_file *file);
36 void drm_lastclose(struct drm_device *dev);
37 
38 /* drm_pci.c */
39 int drm_irq_by_busid(struct drm_device *dev, void *data,
40 		     struct drm_file *file_priv);
41 void drm_pci_agp_destroy(struct drm_device *dev);
42 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
43 
44 /* drm_prime.c */
45 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
46 				 struct drm_file *file_priv);
47 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
48 				 struct drm_file *file_priv);
49 
50 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
51 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
52 void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
53 					struct dma_buf *dma_buf);
54 
55 /* drm_drv.c */
56 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
57 void drm_minor_release(struct drm_minor *minor);
58 
59 /* drm_vblank.c */
60 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
61 void drm_vblank_cleanup(struct drm_device *dev);
62 
63 /* IOCTLS */
64 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
65 			  struct drm_file *filp);
66 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
67 				 struct drm_file *file_priv);
68 
69 /* drm_irq.c */
70 
71 /* IOCTLS */
72 int drm_legacy_irq_control(struct drm_device *dev, void *data,
73 			   struct drm_file *file_priv);
74 
75 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
76 				struct drm_file *filp);
77 
78 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
79 				  struct drm_file *filp);
80 
81 /* drm_auth.c */
82 int drm_getmagic(struct drm_device *dev, void *data,
83 		 struct drm_file *file_priv);
84 int drm_authmagic(struct drm_device *dev, void *data,
85 		  struct drm_file *file_priv);
86 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
87 			struct drm_file *file_priv);
88 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
89 			 struct drm_file *file_priv);
90 int drm_master_open(struct drm_file *file_priv);
91 void drm_master_release(struct drm_file *file_priv);
92 
93 /* drm_sysfs.c */
94 extern struct class *drm_class;
95 
96 int drm_sysfs_init(void);
97 void drm_sysfs_destroy(void);
98 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
99 int drm_sysfs_connector_add(struct drm_connector *connector);
100 void drm_sysfs_connector_remove(struct drm_connector *connector);
101 
102 void drm_sysfs_lease_event(struct drm_device *dev);
103 
104 /* drm_gem.c */
105 int drm_gem_init(struct drm_device *dev);
106 void drm_gem_destroy(struct drm_device *dev);
107 int drm_gem_handle_create_tail(struct drm_file *file_priv,
108 			       struct drm_gem_object *obj,
109 			       u32 *handlep);
110 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
111 			struct drm_file *file_priv);
112 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
113 			struct drm_file *file_priv);
114 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
115 		       struct drm_file *file_priv);
116 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
117 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
118 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
119 			const struct drm_gem_object *obj);
120 
121 /* drm_debugfs.c drm_debugfs_crc.c */
122 #if defined(CONFIG_DEBUG_FS)
123 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
124 		     struct dentry *root);
125 int drm_debugfs_cleanup(struct drm_minor *minor);
126 int drm_debugfs_connector_add(struct drm_connector *connector);
127 void drm_debugfs_connector_remove(struct drm_connector *connector);
128 int drm_debugfs_crtc_add(struct drm_crtc *crtc);
129 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
130 int drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
131 #else
132 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
133 				   struct dentry *root)
134 {
135 	return 0;
136 }
137 
138 static inline int drm_debugfs_cleanup(struct drm_minor *minor)
139 {
140 	return 0;
141 }
142 
143 static inline int drm_debugfs_connector_add(struct drm_connector *connector)
144 {
145 	return 0;
146 }
147 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
148 {
149 }
150 
151 static inline int drm_debugfs_crtc_add(struct drm_crtc *crtc)
152 {
153 	return 0;
154 }
155 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
156 {
157 }
158 
159 static inline int drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
160 {
161 	return 0;
162 }
163 
164 #endif
165 
166 drm_ioctl_t drm_version;
167 drm_ioctl_t drm_getunique;
168 drm_ioctl_t drm_getclient;
169 
170 /* drm_syncobj.c */
171 void drm_syncobj_open(struct drm_file *file_private);
172 void drm_syncobj_release(struct drm_file *file_private);
173 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
174 			     struct drm_file *file_private);
175 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
176 			      struct drm_file *file_private);
177 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
178 				   struct drm_file *file_private);
179 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
180 				   struct drm_file *file_private);
181 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
182 			   struct drm_file *file_private);
183 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
184 			    struct drm_file *file_private);
185 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
186 			     struct drm_file *file_private);
187 
188 /* drm_framebuffer.c */
189 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
190 				const struct drm_framebuffer *fb);
191 int drm_framebuffer_debugfs_init(struct drm_minor *minor);
192