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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/* drm_irq.c */
25extern unsigned int drm_timestamp_monotonic;
26
27/* drm_fops.c */
28extern struct mutex drm_global_mutex;
29int drm_lastclose(struct drm_device *dev);
30
31/* drm_pci.c */
32int drm_pci_set_unique(struct drm_device *dev,
33 struct drm_master *master,
34 struct drm_unique *u);
35int drm_irq_by_busid(struct drm_device *dev, void *data,
36 struct drm_file *file_priv);
37
38/* drm_vm.c */
39int drm_vma_info(struct seq_file *m, void *data);
40void drm_vm_open_locked(struct drm_device *dev, struct vm_area_struct *vma);
41void drm_vm_close_locked(struct drm_device *dev, struct vm_area_struct *vma);
42
43/* drm_prime.c */
44int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
45 struct drm_file *file_priv);
46int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
47 struct drm_file *file_priv);
48
49void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
50void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
51void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
52 struct dma_buf *dma_buf);
53
54/* drm_info.c */
55int drm_name_info(struct seq_file *m, void *data);
56int drm_vm_info(struct seq_file *m, void *data);
57int drm_bufs_info(struct seq_file *m, void *data);
58int drm_clients_info(struct seq_file *m, void* data);
59int drm_gem_name_info(struct seq_file *m, void *data);
60
61/* drm_irq.c */
62int drm_control(struct drm_device *dev, void *data,
63 struct drm_file *file_priv);
64int drm_modeset_ctl(struct drm_device *dev, void *data,
65 struct drm_file *file_priv);
66
67/* drm_auth.c */
68int drm_getmagic(struct drm_device *dev, void *data,
69 struct drm_file *file_priv);
70int drm_authmagic(struct drm_device *dev, void *data,
71 struct drm_file *file_priv);
72
73/* drm_sysfs.c */
74extern struct class *drm_class;
75
76int drm_sysfs_init(void);
77void drm_sysfs_destroy(void);
78struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
79int drm_sysfs_connector_add(struct drm_connector *connector);
80void drm_sysfs_connector_remove(struct drm_connector *connector);
81
82/* drm_gem.c */
83int drm_gem_init(struct drm_device *dev);
84void drm_gem_destroy(struct drm_device *dev);
85int drm_gem_handle_create_tail(struct drm_file *file_priv,
86 struct drm_gem_object *obj,
87 u32 *handlep);
88int drm_gem_close_ioctl(struct drm_device *dev, void *data,
89 struct drm_file *file_priv);
90int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
91 struct drm_file *file_priv);
92int drm_gem_open_ioctl(struct drm_device *dev, void *data,
93 struct drm_file *file_priv);
94void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
95void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
96
97/* drm_drv.c */
98int drm_setmaster_ioctl(struct drm_device *dev, void *data,
99 struct drm_file *file_priv);
100int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
101 struct drm_file *file_priv);
102struct drm_master *drm_master_create(struct drm_minor *minor);
103
104/* drm_debugfs.c */
105#if defined(CONFIG_DEBUG_FS)
106int drm_debugfs_init(struct drm_minor *minor, int minor_id,
107 struct dentry *root);
108int drm_debugfs_cleanup(struct drm_minor *minor);
109int drm_debugfs_connector_add(struct drm_connector *connector);
110void drm_debugfs_connector_remove(struct drm_connector *connector);
111#else
112static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
113 struct dentry *root)
114{
115 return 0;
116}
117
118static inline int drm_debugfs_cleanup(struct drm_minor *minor)
119{
120 return 0;
121}
122
123static inline int drm_debugfs_connector_add(struct drm_connector *connector)
124{
125 return 0;
126}
127static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
128{
129}
130#endif
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
34struct dentry;
35struct dma_buf;
36struct iosys_map;
37struct drm_connector;
38struct drm_crtc;
39struct drm_framebuffer;
40struct drm_gem_object;
41struct drm_master;
42struct drm_minor;
43struct drm_prime_file_private;
44struct drm_printer;
45struct drm_vblank_crtc;
46
47/* drm_file.c */
48extern struct mutex drm_global_mutex;
49bool drm_dev_needs_global_mutex(struct drm_device *dev);
50struct drm_file *drm_file_alloc(struct drm_minor *minor);
51void drm_file_free(struct drm_file *file);
52void drm_lastclose(struct drm_device *dev);
53
54#ifdef CONFIG_PCI
55
56/* drm_pci.c */
57int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
58
59#else
60
61static 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 */
70int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
71 struct drm_file *file_priv);
72int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
73 struct drm_file *file_priv);
74
75void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
76void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
77void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,
78 uint32_t handle);
79
80/* drm_drv.c */
81struct drm_minor *drm_minor_acquire(unsigned int minor_id);
82void drm_minor_release(struct drm_minor *minor);
83
84/* drm_managed.c */
85void drm_managed_release(struct drm_device *dev);
86void drmm_add_final_kfree(struct drm_device *dev, void *container);
87
88/* drm_vblank.c */
89static inline bool drm_vblank_passed(u64 seq, u64 ref)
90{
91 return (seq - ref) <= (1 << 23);
92}
93
94void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
95int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
96void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
97u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
98
99/* drm_vblank_work.c */
100static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
101{
102 kthread_flush_worker(vblank->worker);
103}
104
105static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
106{
107 if (vblank->worker)
108 kthread_destroy_worker(vblank->worker);
109}
110
111int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
112void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
113void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
114
115/* IOCTLS */
116int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
117 struct drm_file *filp);
118int 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)
125int drm_legacy_irq_control(struct drm_device *dev, void *data,
126 struct drm_file *file_priv);
127#endif
128
129int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
130 struct drm_file *filp);
131
132int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
133 struct drm_file *filp);
134
135/* drm_auth.c */
136int drm_getmagic(struct drm_device *dev, void *data,
137 struct drm_file *file_priv);
138int drm_authmagic(struct drm_device *dev, void *data,
139 struct drm_file *file_priv);
140int drm_setmaster_ioctl(struct drm_device *dev, void *data,
141 struct drm_file *file_priv);
142int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
143 struct drm_file *file_priv);
144int drm_master_open(struct drm_file *file_priv);
145void drm_master_release(struct drm_file *file_priv);
146bool drm_master_internal_acquire(struct drm_device *dev);
147void drm_master_internal_release(struct drm_device *dev);
148
149/* drm_sysfs.c */
150extern struct class *drm_class;
151
152int drm_sysfs_init(void);
153void drm_sysfs_destroy(void);
154struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
155int drm_sysfs_connector_add(struct drm_connector *connector);
156void drm_sysfs_connector_remove(struct drm_connector *connector);
157
158void drm_sysfs_lease_event(struct drm_device *dev);
159
160/* drm_gem.c */
161int drm_gem_init(struct drm_device *dev);
162int drm_gem_handle_create_tail(struct drm_file *file_priv,
163 struct drm_gem_object *obj,
164 u32 *handlep);
165int drm_gem_close_ioctl(struct drm_device *dev, void *data,
166 struct drm_file *file_priv);
167int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
168 struct drm_file *file_priv);
169int drm_gem_open_ioctl(struct drm_device *dev, void *data,
170 struct drm_file *file_priv);
171void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
172void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
173void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
174 const struct drm_gem_object *obj);
175
176int drm_gem_pin(struct drm_gem_object *obj);
177void drm_gem_unpin(struct drm_gem_object *obj);
178int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
179void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
180
181int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
182 u32 handle);
183
184/* drm_debugfs.c drm_debugfs_crc.c */
185#if defined(CONFIG_DEBUG_FS)
186int drm_debugfs_init(struct drm_minor *minor, int minor_id,
187 struct dentry *root);
188void drm_debugfs_cleanup(struct drm_minor *minor);
189void drm_debugfs_connector_add(struct drm_connector *connector);
190void drm_debugfs_connector_remove(struct drm_connector *connector);
191void drm_debugfs_crtc_add(struct drm_crtc *crtc);
192void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
193void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
194#else
195static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
196 struct dentry *root)
197{
198 return 0;
199}
200
201static inline void drm_debugfs_cleanup(struct drm_minor *minor)
202{
203}
204
205static inline void drm_debugfs_connector_add(struct drm_connector *connector)
206{
207}
208static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
209{
210}
211
212static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
213{
214}
215static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
216{
217}
218
219static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
220{
221}
222
223#endif
224
225drm_ioctl_t drm_version;
226drm_ioctl_t drm_getunique;
227drm_ioctl_t drm_getclient;
228
229/* drm_syncobj.c */
230void drm_syncobj_open(struct drm_file *file_private);
231void drm_syncobj_release(struct drm_file *file_private);
232int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
233 struct drm_file *file_private);
234int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
235 struct drm_file *file_private);
236int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
237 struct drm_file *file_private);
238int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
239 struct drm_file *file_private);
240int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
241 struct drm_file *file_private);
242int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
243 struct drm_file *file_private);
244int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
245 struct drm_file *file_private);
246int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
247 struct drm_file *file_private);
248int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
249 struct drm_file *file_private);
250int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
251 struct drm_file *file_private);
252int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
253 struct drm_file *file_private);
254
255/* drm_framebuffer.c */
256void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
257 const struct drm_framebuffer *fb);
258void drm_framebuffer_debugfs_init(struct drm_minor *minor);