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drm: Nerf drm_global_mutex BKL for good drivers
[mirror_ubuntu-hirsute-kernel.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
99f45e32
DV		 24#include <drm/drm_ioctl.h>
25
82d5e73f
DH		 26#define DRM_IF_MAJOR 1
27#define DRM_IF_MINOR 4
28
ecb2e2fd
SR		 29#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
30
7a44fdce 31struct dentry;
99f45e32 32struct dma_buf;
7a44fdce
SR		 33struct drm_connector;
34struct drm_crtc;
35struct drm_framebuffer;
36struct drm_gem_object;
37struct drm_master;
38struct drm_minor;
39struct drm_prime_file_private;
40struct drm_printer;
99f45e32 41
9acdac68 42/* drm_file.c */
44af3f5c 43extern struct mutex drm_global_mutex;
4017ad7b 44bool drm_dev_needs_global_mutex(struct drm_device *dev);
1572042a
DH		 45struct drm_file *drm_file_alloc(struct drm_minor *minor);
46void drm_file_free(struct drm_file *file);
68dfbeba 47void drm_lastclose(struct drm_device *dev);
67d0ec4e 48
5c7a0bb0
TZ		 49#ifdef CONFIG_PCI
50
67d0ec4e 51/* drm_pci.c */
67d0ec4e
DV		 52int drm_irq_by_busid(struct drm_device *dev, void *data,
53 struct drm_file *file_priv);
2ce0264d 54void drm_pci_agp_destroy(struct drm_device *dev);
5c484cee 55int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
67d0ec4e 56
5c7a0bb0
TZ		 57#else
58
59static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
60 struct drm_file *file_priv)
61{
62 return -EINVAL;
63}
64
65static inline void drm_pci_agp_destroy(struct drm_device *dev)
66{
67}
68
69static inline int drm_pci_set_busid(struct drm_device *dev,
70 struct drm_master *master)
71{
72 return -EINVAL;
73}
74
75#endif
76
67d0ec4e
DV		 77/* drm_prime.c */
78int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
79 struct drm_file *file_priv);
80int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
81 struct drm_file *file_priv);
82
83void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
84void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
85void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
86 struct dma_buf *dma_buf);
87
85e634bc
DV		 88/* drm_drv.c */
89struct drm_minor *drm_minor_acquire(unsigned int minor_id);
90void drm_minor_release(struct drm_minor *minor);
91
3ed4351a 92/* drm_vblank.c */
3ed4351a 93void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
b4164d66 94void drm_vblank_cleanup(struct drm_device *dev);
b9876d50
DV		 95
96/* IOCTLS */
b6dcaaac
DV		 97int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
98 struct drm_file *filp);
99int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
100 struct drm_file *file_priv);
101
102/* drm_irq.c */
103
104/* IOCTLS */
61ae2270 105#if IS_ENABLED(CONFIG_DRM_LEGACY)
25a9939c
DV		 106int drm_legacy_irq_control(struct drm_device *dev, void *data,
107 struct drm_file *file_priv);
61ae2270 108#endif
67d0ec4e 109
3064abfa
KP		 110int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
111 struct drm_file *filp);
112
113int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
114 struct drm_file *filp);
115
67d0ec4e
DV		 116/* drm_auth.c */
117int drm_getmagic(struct drm_device *dev, void *data,
118 struct drm_file *file_priv);
119int drm_authmagic(struct drm_device *dev, void *data,
120 struct drm_file *file_priv);
6548f4e7
DV		 121int drm_setmaster_ioctl(struct drm_device *dev, void *data,
122 struct drm_file *file_priv);
123int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
124 struct drm_file *file_priv);
2cbae7e6 125int drm_master_open(struct drm_file *file_priv);
14d71ebd 126void drm_master_release(struct drm_file *file_priv);
03a9606e
NT		 127bool drm_master_internal_acquire(struct drm_device *dev);
128void drm_master_internal_release(struct drm_device *dev);
67d0ec4e
DV		 129
130/* drm_sysfs.c */
00285be8
DV		 131extern struct class *drm_class;
132
fcc90213 133int drm_sysfs_init(void);
67d0ec4e
DV		 134void drm_sysfs_destroy(void);
135struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
136int drm_sysfs_connector_add(struct drm_connector *connector);
137void drm_sysfs_connector_remove(struct drm_connector *connector);
138
ce858828
DV		 139void drm_sysfs_lease_event(struct drm_device *dev);
140
67d0ec4e 141/* drm_gem.c */
cdd07596 142struct drm_gem_object;
67d0ec4e
DV		 143int drm_gem_init(struct drm_device *dev);
144void drm_gem_destroy(struct drm_device *dev);
145int drm_gem_handle_create_tail(struct drm_file *file_priv,
146 struct drm_gem_object *obj,
147 u32 *handlep);
148int drm_gem_close_ioctl(struct drm_device *dev, void *data,
149 struct drm_file *file_priv);
150int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
151 struct drm_file *file_priv);
152int drm_gem_open_ioctl(struct drm_device *dev, void *data,
153 struct drm_file *file_priv);
154void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
155void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
45d58b40
NT		 156void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
157 const struct drm_gem_object *obj);
e7f0a889 158
eb69c8a4
DV		 159int drm_gem_pin(struct drm_gem_object *obj);
160void drm_gem_unpin(struct drm_gem_object *obj);
161void *drm_gem_vmap(struct drm_gem_object *obj);
162void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
163
0cad7f71 164/* drm_debugfs.c drm_debugfs_crc.c */
c2611031
DV		 165#if defined(CONFIG_DEBUG_FS)
166int drm_debugfs_init(struct drm_minor *minor, int minor_id,
167 struct dentry *root);
b792e640
GKH		 168void drm_debugfs_cleanup(struct drm_minor *minor);
169void drm_debugfs_connector_add(struct drm_connector *connector);
c2611031 170void drm_debugfs_connector_remove(struct drm_connector *connector);
b792e640 171void drm_debugfs_crtc_add(struct drm_crtc *crtc);
9edbf1fa 172void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
b792e640 173void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
c2611031
DV		 174#else
175static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
176 struct dentry *root)
177{
178 return 0;
179}
180
b792e640 181static inline void drm_debugfs_cleanup(struct drm_minor *minor)
c2611031 182{
c2611031
DV		 183}
184
b792e640 185static inline void drm_debugfs_connector_add(struct drm_connector *connector)
c2611031 186{
c2611031
DV		 187}
188static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
189{
190}
9edbf1fa 191
b792e640 192static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
9edbf1fa 193{
9edbf1fa
TV		 194}
195static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
196{
197}
198
b792e640 199static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
9edbf1fa 200{
9edbf1fa 201}
e9083420 202
c2611031 203#endif
e9083420 204
012c6741 205drm_ioctl_t drm_version;
17e3dade 206drm_ioctl_t drm_getunique;
9e92662d 207drm_ioctl_t drm_getclient;
af3c8d98 208
e9083420
DA		 209/* drm_syncobj.c */
210void drm_syncobj_open(struct drm_file *file_private);
211void drm_syncobj_release(struct drm_file *file_private);
212int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
213 struct drm_file *file_private);
214int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
215 struct drm_file *file_private);
216int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
217 struct drm_file *file_private);
218int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
219 struct drm_file *file_private);
ea569910
CZ		 220int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
221 struct drm_file *file_private);
5e60a10e
DA		 222int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
223 struct drm_file *file_private);
01d6c357
CZ		 224int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
225 struct drm_file *file_private);
aa4035d2
JE		 226int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
227 struct drm_file *file_private);
ffa9443f
JE		 228int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
229 struct drm_file *file_private);
50d1ebef
CZ		 230int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
231 struct drm_file *file_private);
27b575a9
CZ		 232int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
233 struct drm_file *file_private);
45d58b40
NT		 234
235/* drm_framebuffer.c */
236void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
237 const struct drm_framebuffer *fb);
238int drm_framebuffer_debugfs_init(struct drm_minor *minor);
6498bf58
R		 239
240/* drm_hdcp.c */
241int drm_setup_hdcp_srm(struct class *drm_class);
242void drm_teardown_hdcp_srm(struct class *drm_class);
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