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#ifndef __DRM_INTERNAL_H__
25#define __DRM_INTERNAL_H__
26
27#include <linux/kthread.h>
28#include <linux/types.h>
29
30#include <drm/drm_ioctl.h>
31#include <drm/drm_vblank.h>
32
33#define DRM_IF_MAJOR 1
34#define DRM_IF_MINOR 4
35
36#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
37
38struct dentry;
39struct dma_buf;
40struct iosys_map;
41struct drm_connector;
42struct drm_crtc;
43struct drm_framebuffer;
44struct drm_gem_object;
45struct drm_master;
46struct drm_minor;
47struct drm_prime_file_private;
48struct drm_printer;
49struct drm_vblank_crtc;
50
51/* drm_client_event.c */
52#if defined(CONFIG_DRM_CLIENT)
53void drm_client_debugfs_init(struct drm_device *dev);
54#else
55static inline void drm_client_debugfs_init(struct drm_device *dev)
56{ }
57#endif
58
59/* drm_file.c */
60extern struct mutex drm_global_mutex;
61bool drm_dev_needs_global_mutex(struct drm_device *dev);
62struct drm_file *drm_file_alloc(struct drm_minor *minor);
63void drm_file_free(struct drm_file *file);
64
65#ifdef CONFIG_PCI
66
67/* drm_pci.c */
68int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
69
70#else
71
72static inline int drm_pci_set_busid(struct drm_device *dev,
73 struct drm_master *master)
74{
75 return -EINVAL;
76}
77
78#endif
79
80/* drm_prime.c */
81int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
82 struct drm_file *file_priv);
83int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
84 struct drm_file *file_priv);
85
86void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
87void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
88int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv,
89 struct dma_buf *dma_buf, uint32_t handle);
90void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,
91 uint32_t handle);
92
93/* drm_managed.c */
94void drm_managed_release(struct drm_device *dev);
95void drmm_add_final_kfree(struct drm_device *dev, void *container);
96
97/* drm_vblank.c */
98static inline bool drm_vblank_passed(u64 seq, u64 ref)
99{
100 return (seq - ref) <= (1 << 23);
101}
102
103void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
104int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
105void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
106u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
107
108/* drm_vblank_work.c */
109static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
110{
111 kthread_flush_worker(worker: vblank->worker);
112}
113
114static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
115{
116 if (vblank->worker)
117 kthread_destroy_worker(worker: vblank->worker);
118}
119
120int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
121void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
122void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
123
124/* IOCTLS */
125int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
126 struct drm_file *filp);
127
128/* drm_irq.c */
129
130/* IOCTLS */
131int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *filp);
133
134int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
135 struct drm_file *filp);
136
137/* drm_auth.c */
138int drm_getmagic(struct drm_device *dev, void *data,
139 struct drm_file *file_priv);
140int drm_authmagic(struct drm_device *dev, void *data,
141 struct drm_file *file_priv);
142int drm_setmaster_ioctl(struct drm_device *dev, void *data,
143 struct drm_file *file_priv);
144int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
145 struct drm_file *file_priv);
146int drm_master_open(struct drm_file *file_priv);
147void drm_master_release(struct drm_file *file_priv);
148bool drm_master_internal_acquire(struct drm_device *dev);
149void drm_master_internal_release(struct drm_device *dev);
150
151/* drm_sysfs.c */
152extern struct class *drm_class;
153
154int drm_sysfs_init(void);
155void drm_sysfs_destroy(void);
156struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
157int drm_sysfs_connector_add(struct drm_connector *connector);
158int drm_sysfs_connector_add_late(struct drm_connector *connector);
159void drm_sysfs_connector_remove_early(struct drm_connector *connector);
160void drm_sysfs_connector_remove(struct drm_connector *connector);
161
162void drm_sysfs_lease_event(struct drm_device *dev);
163
164/* drm_gem.c */
165int drm_gem_init(struct drm_device *dev);
166bool drm_gem_object_handle_get_if_exists_unlocked(struct drm_gem_object *obj);
167void drm_gem_object_handle_put_unlocked(struct drm_gem_object *obj);
168int drm_gem_handle_create_tail(struct drm_file *file_priv,
169 struct drm_gem_object *obj,
170 u32 *handlep);
171int drm_gem_close_ioctl(struct drm_device *dev, void *data,
172 struct drm_file *file_priv);
173int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
174 struct drm_file *file_priv);
175int drm_gem_change_handle_ioctl(struct drm_device *dev, void *data,
176 struct drm_file *file_priv);
177int drm_gem_open_ioctl(struct drm_device *dev, void *data,
178 struct drm_file *file_priv);
179void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
180void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
181void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
182 const struct drm_gem_object *obj);
183
184int drm_gem_vmap_locked(struct drm_gem_object *obj, struct iosys_map *map);
185void drm_gem_vunmap_locked(struct drm_gem_object *obj, struct iosys_map *map);
186
187/* drm_debugfs.c drm_debugfs_crc.c */
188#if defined(CONFIG_DEBUG_FS)
189void drm_debugfs_dev_fini(struct drm_device *dev);
190void drm_debugfs_dev_register(struct drm_device *dev);
191int drm_debugfs_register(struct drm_minor *minor, int minor_id);
192void drm_debugfs_unregister(struct drm_minor *minor);
193void drm_debugfs_connector_add(struct drm_connector *connector);
194void drm_debugfs_connector_remove(struct drm_connector *connector);
195void drm_debugfs_crtc_add(struct drm_crtc *crtc);
196void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
197void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
198void drm_debugfs_encoder_add(struct drm_encoder *encoder);
199void drm_debugfs_encoder_remove(struct drm_encoder *encoder);
200#else
201static inline void drm_debugfs_dev_fini(struct drm_device *dev)
202{
203}
204
205static inline void drm_debugfs_dev_register(struct drm_device *dev)
206{
207}
208
209static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id)
210{
211 return 0;
212}
213
214static inline void drm_debugfs_unregister(struct drm_minor *minor)
215{
216}
217
218static inline void drm_debugfs_connector_add(struct drm_connector *connector)
219{
220}
221static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
222{
223}
224
225static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
226{
227}
228static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
229{
230}
231
232static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
233{
234}
235
236static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder)
237{
238}
239
240static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder)
241{
242}
243
244#endif
245
246drm_ioctl_t drm_version;
247drm_ioctl_t drm_getunique;
248drm_ioctl_t drm_getclient;
249
250/* drm_syncobj.c */
251void drm_syncobj_open(struct drm_file *file_private);
252void drm_syncobj_release(struct drm_file *file_private);
253int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
254 struct drm_file *file_private);
255int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
256 struct drm_file *file_private);
257int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
258 struct drm_file *file_private);
259int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
260 struct drm_file *file_private);
261int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
262 struct drm_file *file_private);
263int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
264 struct drm_file *file_private);
265int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
266 struct drm_file *file_private);
267int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,
268 struct drm_file *file_private);
269int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
270 struct drm_file *file_private);
271int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
272 struct drm_file *file_private);
273int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
274 struct drm_file *file_private);
275int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
276 struct drm_file *file_private);
277
278/* drm_framebuffer.c */
279void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
280 const struct drm_framebuffer *fb);
281void drm_framebuffer_debugfs_init(struct drm_device *dev);
282
283#endif /* __DRM_INTERNAL_H__ */
284