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Merge tag 'for-5.18/write-streams-2022-03-18' of git://git.kernel.dk/linux-block
[linux-block.git] / drivers / gpu / drm / drm_internal.h
CommitLineData
18882995
DV		 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
5e6c2b4f
LP		 24#include <linux/kthread.h>
25
99f45e32 26#include <drm/drm_ioctl.h>
5e6c2b4f 27#include <drm/drm_vblank.h>
99f45e32 28
82d5e73f
DH		 29#define DRM_IF_MAJOR 1
30#define DRM_IF_MINOR 4
31
ecb2e2fd
SR		 32#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
33
7a44fdce 34struct dentry;
99f45e32 35struct dma_buf;
7938f421 36struct iosys_map;
7a44fdce
SR		 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;
5e6c2b4f 45struct drm_vblank_crtc;
99f45e32 46
9acdac68 47/* drm_file.c */
44af3f5c 48extern struct mutex drm_global_mutex;
4017ad7b 49bool drm_dev_needs_global_mutex(struct drm_device *dev);
1572042a
DH		 50struct drm_file *drm_file_alloc(struct drm_minor *minor);
51void drm_file_free(struct drm_file *file);
68dfbeba 52void drm_lastclose(struct drm_device *dev);
67d0ec4e 53
5c7a0bb0
TZ		 54#ifdef CONFIG_PCI
55
67d0ec4e 56/* drm_pci.c */
5c484cee 57int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
67d0ec4e 58
5c7a0bb0
TZ		 59#else
60
5c7a0bb0
TZ		 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
67d0ec4e
DV		 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_locked(struct drm_prime_file_private *prime_fpriv,
78 struct dma_buf *dma_buf);
79
85e634bc
DV		 80/* drm_drv.c */
81struct drm_minor *drm_minor_acquire(unsigned int minor_id);
82void drm_minor_release(struct drm_minor *minor);
83
c6603c74
DV		 84/* drm_managed.c */
85void drm_managed_release(struct drm_device *dev);
a7d39439 86void drmm_add_final_kfree(struct drm_device *dev, void *container);
c6603c74 87
3ed4351a 88/* drm_vblank.c */
5e6c2b4f
LP		 89static inline bool drm_vblank_passed(u64 seq, u64 ref)
90{
91 return (seq - ref) <= (1 << 23);
92}
93
3ed4351a 94void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
5e6c2b4f
LP		 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 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);
b9876d50
DV		 113
114/* IOCTLS */
b6dcaaac
DV		 115int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
116 struct drm_file *filp);
117int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
118 struct drm_file *file_priv);
119
120/* drm_irq.c */
121
122/* IOCTLS */
61ae2270 123#if IS_ENABLED(CONFIG_DRM_LEGACY)
25a9939c
DV		 124int drm_legacy_irq_control(struct drm_device *dev, void *data,
125 struct drm_file *file_priv);
61ae2270 126#endif
67d0ec4e 127
3064abfa
KP		 128int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
129 struct drm_file *filp);
130
131int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *filp);
133
67d0ec4e
DV		 134/* drm_auth.c */
135int drm_getmagic(struct drm_device *dev, void *data,
136 struct drm_file *file_priv);
137int drm_authmagic(struct drm_device *dev, void *data,
138 struct drm_file *file_priv);
6548f4e7
DV		 139int drm_setmaster_ioctl(struct drm_device *dev, void *data,
140 struct drm_file *file_priv);
141int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
142 struct drm_file *file_priv);
2cbae7e6 143int drm_master_open(struct drm_file *file_priv);
14d71ebd 144void drm_master_release(struct drm_file *file_priv);
03a9606e
NT		 145bool drm_master_internal_acquire(struct drm_device *dev);
146void drm_master_internal_release(struct drm_device *dev);
67d0ec4e
DV		 147
148/* drm_sysfs.c */
00285be8
DV		 149extern struct class *drm_class;
150
fcc90213 151int drm_sysfs_init(void);
67d0ec4e
DV		 152void drm_sysfs_destroy(void);
153struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
154int drm_sysfs_connector_add(struct drm_connector *connector);
155void drm_sysfs_connector_remove(struct drm_connector *connector);
156
ce858828
DV		 157void drm_sysfs_lease_event(struct drm_device *dev);
158
67d0ec4e
DV		 159/* drm_gem.c */
160int drm_gem_init(struct drm_device *dev);
67d0ec4e
DV		 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);
45d58b40
NT		 172void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
173 const struct drm_gem_object *obj);
e7f0a889 174
eb69c8a4
DV		 175int drm_gem_pin(struct drm_gem_object *obj);
176void drm_gem_unpin(struct drm_gem_object *obj);
7938f421
LDM		 177int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
178void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
eb69c8a4 179
47f10854
LP		 180int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
181 u32 handle);
182
0cad7f71 183/* drm_debugfs.c drm_debugfs_crc.c */
c2611031
DV		 184#if defined(CONFIG_DEBUG_FS)
185int drm_debugfs_init(struct drm_minor *minor, int minor_id,
186 struct dentry *root);
b792e640
GKH		 187void drm_debugfs_cleanup(struct drm_minor *minor);
188void drm_debugfs_connector_add(struct drm_connector *connector);
c2611031 189void drm_debugfs_connector_remove(struct drm_connector *connector);
b792e640 190void drm_debugfs_crtc_add(struct drm_crtc *crtc);
9edbf1fa 191void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
b792e640 192void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
c2611031
DV		 193#else
194static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
195 struct dentry *root)
196{
197 return 0;
198}
199
b792e640 200static inline void drm_debugfs_cleanup(struct drm_minor *minor)
c2611031 201{
c2611031
DV		 202}
203
b792e640 204static inline void drm_debugfs_connector_add(struct drm_connector *connector)
c2611031 205{
c2611031
DV		 206}
207static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
208{
209}
9edbf1fa 210
b792e640 211static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
9edbf1fa 212{
9edbf1fa
TV		 213}
214static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
215{
216}
217
b792e640 218static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
9edbf1fa 219{
9edbf1fa 220}
e9083420 221
c2611031 222#endif
e9083420 223
012c6741 224drm_ioctl_t drm_version;
17e3dade 225drm_ioctl_t drm_getunique;
9e92662d 226drm_ioctl_t drm_getclient;
af3c8d98 227
e9083420
DA		 228/* drm_syncobj.c */
229void drm_syncobj_open(struct drm_file *file_private);
230void drm_syncobj_release(struct drm_file *file_private);
231int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
232 struct drm_file *file_private);
233int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
234 struct drm_file *file_private);
235int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
236 struct drm_file *file_private);
237int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
238 struct drm_file *file_private);
ea569910
CZ		 239int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
240 struct drm_file *file_private);
5e60a10e
DA		 241int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
242 struct drm_file *file_private);
01d6c357
CZ		 243int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
244 struct drm_file *file_private);
aa4035d2
JE		 245int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
246 struct drm_file *file_private);
ffa9443f
JE		 247int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
248 struct drm_file *file_private);
50d1ebef
CZ		 249int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
250 struct drm_file *file_private);
27b575a9
CZ		 251int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
252 struct drm_file *file_private);
45d58b40
NT		 253
254/* drm_framebuffer.c */
255void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
256 const struct drm_framebuffer *fb);
7ce84471 257void drm_framebuffer_debugfs_init(struct drm_minor *minor);
Linux 6.x block layer and io_uring tree(s)