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