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