1 /* $NetBSD: drm_internal.h,v 1.11 2021/12/19 11:10:09 riastradh Exp $ */
2
3 /*
4 * Copyright © 2014 Intel Corporation
5 * Daniel Vetter <daniel.vetter@ffwll.ch>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26 #include <linux/kernel.h>
27 #include <drm/drm_ioctl.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 drm_connector;
37 struct drm_crtc;
38 struct drm_framebuffer;
39 struct drm_gem_object;
40 struct drm_master;
41 struct drm_minor;
42 struct drm_prime_file_private;
43 struct drm_printer;
44
45 /* drm_file.c */
46 extern struct mutex drm_global_mutex;
47 struct drm_file *drm_file_alloc(struct drm_minor *minor);
48 void drm_file_free(struct drm_file *file);
49 void drm_lastclose(struct drm_device *dev);
50
51 #ifdef CONFIG_PCI
52
53 /* drm_pci.c */
54 int drm_irq_by_busid(struct drm_device *dev, void *data,
55 struct drm_file *file_priv);
56 void drm_pci_agp_destroy(struct drm_device *dev);
57 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
58
59 #else
60
drm_irq_by_busid(struct drm_device * dev,void * data,struct drm_file * file_priv)61 static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
62 struct drm_file *file_priv)
63 {
64 return -EINVAL;
65 }
66
drm_pci_agp_destroy(struct drm_device * dev)67 static inline void drm_pci_agp_destroy(struct drm_device *dev)
68 {
69 }
70
drm_pci_set_busid(struct drm_device * dev,struct drm_master * master)71 static inline int drm_pci_set_busid(struct drm_device *dev,
72 struct drm_master *master)
73 {
74 return -EINVAL;
75 }
76
77 #endif
78
79 /* drm_prime.c */
80 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
81 struct drm_file *file_priv);
82 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
83 struct drm_file *file_priv);
84
85 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
86 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
87 void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
88 struct dma_buf *dma_buf);
89
90 /* drm_drv.c */
91 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
92 void drm_minor_release(struct drm_minor *minor);
93 #ifdef __NetBSD__
94 #include <linux/srcu.h>
95 extern struct srcu_struct drm_unplug_srcu;
96 extern struct spinlock drm_minor_lock;
97 extern struct idr drm_minors_idr;
98 #endif
99
100 /* drm_vblank.c */
101 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
102 void drm_vblank_cleanup(struct drm_device *dev);
103
104 /* IOCTLS */
105 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
106 struct drm_file *filp);
107 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
108 struct drm_file *file_priv);
109
110 /* drm_irq.c */
111
112 /* IOCTLS */
113 #if IS_ENABLED(CONFIG_DRM_LEGACY)
114 int drm_legacy_irq_control(struct drm_device *dev, void *data,
115 struct drm_file *file_priv);
116 #endif
117
118 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
119 struct drm_file *filp);
120
121 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
122 struct drm_file *filp);
123
124 /* drm_auth.c */
125 int drm_getmagic(struct drm_device *dev, void *data,
126 struct drm_file *file_priv);
127 int drm_authmagic(struct drm_device *dev, void *data,
128 struct drm_file *file_priv);
129 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
130 struct drm_file *file_priv);
131 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *file_priv);
133 int drm_master_open(struct drm_file *file_priv);
134 void drm_master_release(struct drm_file *file_priv);
135 bool drm_master_internal_acquire(struct drm_device *dev);
136 void drm_master_internal_release(struct drm_device *dev);
137
138 /* drm_sysfs.c */
139 extern struct class *drm_class;
140
141 int drm_sysfs_init(void);
142 void drm_sysfs_destroy(void);
143 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
144 int drm_sysfs_connector_add(struct drm_connector *connector);
145 void drm_sysfs_connector_remove(struct drm_connector *connector);
146
147 void drm_sysfs_lease_event(struct drm_device *dev);
148
149 /* drm_gem.c */
150 struct drm_gem_object;
151 int drm_gem_init(struct drm_device *dev);
152 void drm_gem_destroy(struct drm_device *dev);
153 int drm_gem_handle_create_tail(struct drm_file *file_priv,
154 struct drm_gem_object *obj,
155 u32 *handlep);
156 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
157 struct drm_file *file_priv);
158 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
159 struct drm_file *file_priv);
160 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
161 struct drm_file *file_priv);
162 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
163 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
164 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
165 const struct drm_gem_object *obj);
166
167 int drm_gem_pin(struct drm_gem_object *obj);
168 void drm_gem_unpin(struct drm_gem_object *obj);
169 void *drm_gem_vmap(struct drm_gem_object *obj);
170 void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
171
172 /* drm_debugfs.c drm_debugfs_crc.c */
173 #if defined(CONFIG_DEBUG_FS)
174 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
175 struct dentry *root);
176 void drm_debugfs_cleanup(struct drm_minor *minor);
177 void drm_debugfs_connector_add(struct drm_connector *connector);
178 void drm_debugfs_connector_remove(struct drm_connector *connector);
179 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
180 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
181 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
182 #else
drm_debugfs_init(struct drm_minor * minor,int minor_id,struct dentry * root)183 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
184 struct dentry *root)
185 {
186 return 0;
187 }
188
drm_debugfs_cleanup(struct drm_minor * minor)189 static inline void drm_debugfs_cleanup(struct drm_minor *minor)
190 {
191 }
192
drm_debugfs_connector_add(struct drm_connector * connector)193 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
194 {
195 }
drm_debugfs_connector_remove(struct drm_connector * connector)196 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
197 {
198 }
199
drm_debugfs_crtc_add(struct drm_crtc * crtc)200 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
201 {
202 }
drm_debugfs_crtc_remove(struct drm_crtc * crtc)203 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
204 {
205 }
206
drm_debugfs_crtc_crc_add(struct drm_crtc * crtc)207 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
208 {
209 }
210
211 #endif
212
213 drm_ioctl_t drm_version;
214 drm_ioctl_t drm_getunique;
215 drm_ioctl_t drm_getclient;
216
217 /* drm_syncobj.c */
218 void drm_syncobj_open(struct drm_file *file_private);
219 void drm_syncobj_release(struct drm_file *file_private);
220 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
221 struct drm_file *file_private);
222 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
223 struct drm_file *file_private);
224 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
225 struct drm_file *file_private);
226 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
227 struct drm_file *file_private);
228 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
229 struct drm_file *file_private);
230 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
231 struct drm_file *file_private);
232 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
233 struct drm_file *file_private);
234 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
235 struct drm_file *file_private);
236 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
237 struct drm_file *file_private);
238 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
239 struct drm_file *file_private);
240 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
241 struct drm_file *file_private);
242
243 /* drm_framebuffer.c */
244 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
245 const struct drm_framebuffer *fb);
246 int drm_framebuffer_debugfs_init(struct drm_minor *minor);
247
248 /* drm_hdcp.c */
249 int drm_setup_hdcp_srm(struct class *drm_class);
250 void drm_teardown_hdcp_srm(struct class *drm_class);
251
252 /* drm_fb_helper.c */
253 extern struct mutex drm_kernel_fb_helper_lock;
254