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drm: Push drm_global_mutex locking in drm_open
[linux-2.6-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
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;
1572042a
DH		 44struct drm_file *drm_file_alloc(struct drm_minor *minor);
45void drm_file_free(struct drm_file *file);
68dfbeba 46void drm_lastclose(struct drm_device *dev);
67d0ec4e 47
5c7a0bb0
TZ		 48#ifdef CONFIG_PCI
49
67d0ec4e 50/* drm_pci.c */
67d0ec4e
DV		 51int drm_irq_by_busid(struct drm_device *dev, void *data,
52 struct drm_file *file_priv);
2ce0264d 53void drm_pci_agp_destroy(struct drm_device *dev);
5c484cee 54int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
67d0ec4e 55
5c7a0bb0
TZ		 56#else
57
58static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
59 struct drm_file *file_priv)
60{
61 return -EINVAL;
62}
63
64static inline void drm_pci_agp_destroy(struct drm_device *dev)
65{
66}
67
68static inline int drm_pci_set_busid(struct drm_device *dev,
69 struct drm_master *master)
70{
71 return -EINVAL;
72}
73
74#endif
75
67d0ec4e
DV		 76/* drm_prime.c */
77int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
78 struct drm_file *file_priv);
79int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
80 struct drm_file *file_priv);
81
82void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
83void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
84void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
85 struct dma_buf *dma_buf);
86
85e634bc
DV		 87/* drm_drv.c */
88struct drm_minor *drm_minor_acquire(unsigned int minor_id);
89void drm_minor_release(struct drm_minor *minor);
90
3ed4351a 91/* drm_vblank.c */
3ed4351a 92void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
b4164d66 93void drm_vblank_cleanup(struct drm_device *dev);
b9876d50
DV		 94
95/* IOCTLS */
b6dcaaac
DV		 96int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
97 struct drm_file *filp);
98int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
99 struct drm_file *file_priv);
100
101/* drm_irq.c */
102
103/* IOCTLS */
61ae2270 104#if IS_ENABLED(CONFIG_DRM_LEGACY)
25a9939c
DV		 105int drm_legacy_irq_control(struct drm_device *dev, void *data,
106 struct drm_file *file_priv);
61ae2270 107#endif
67d0ec4e 108
3064abfa
KP		 109int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
110 struct drm_file *filp);
111
112int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
113 struct drm_file *filp);
114
67d0ec4e
DV		 115/* drm_auth.c */
116int drm_getmagic(struct drm_device *dev, void *data,
117 struct drm_file *file_priv);
118int drm_authmagic(struct drm_device *dev, void *data,
119 struct drm_file *file_priv);
6548f4e7
DV		 120int drm_setmaster_ioctl(struct drm_device *dev, void *data,
121 struct drm_file *file_priv);
122int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
123 struct drm_file *file_priv);
2cbae7e6 124int drm_master_open(struct drm_file *file_priv);
14d71ebd 125void drm_master_release(struct drm_file *file_priv);
03a9606e
NT		 126bool drm_master_internal_acquire(struct drm_device *dev);
127void drm_master_internal_release(struct drm_device *dev);
67d0ec4e
DV		 128
129/* drm_sysfs.c */
00285be8
DV		 130extern struct class *drm_class;
131
fcc90213 132int drm_sysfs_init(void);
67d0ec4e
DV		 133void drm_sysfs_destroy(void);
134struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
135int drm_sysfs_connector_add(struct drm_connector *connector);
136void drm_sysfs_connector_remove(struct drm_connector *connector);
137
ce858828
DV		 138void drm_sysfs_lease_event(struct drm_device *dev);
139
67d0ec4e 140/* drm_gem.c */
cdd07596 141struct drm_gem_object;
67d0ec4e
DV		 142int drm_gem_init(struct drm_device *dev);
143void drm_gem_destroy(struct drm_device *dev);
144int drm_gem_handle_create_tail(struct drm_file *file_priv,
145 struct drm_gem_object *obj,
146 u32 *handlep);
147int drm_gem_close_ioctl(struct drm_device *dev, void *data,
148 struct drm_file *file_priv);
149int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
150 struct drm_file *file_priv);
151int drm_gem_open_ioctl(struct drm_device *dev, void *data,
152 struct drm_file *file_priv);
153void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
154void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
45d58b40
NT		 155void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
156 const struct drm_gem_object *obj);
e7f0a889 157
eb69c8a4
DV		 158int drm_gem_pin(struct drm_gem_object *obj);
159void drm_gem_unpin(struct drm_gem_object *obj);
160void *drm_gem_vmap(struct drm_gem_object *obj);
161void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
162
0cad7f71 163/* drm_debugfs.c drm_debugfs_crc.c */
c2611031
DV		 164#if defined(CONFIG_DEBUG_FS)
165int drm_debugfs_init(struct drm_minor *minor, int minor_id,
166 struct dentry *root);
b792e640
GKH		 167void drm_debugfs_cleanup(struct drm_minor *minor);
168void drm_debugfs_connector_add(struct drm_connector *connector);
c2611031 169void drm_debugfs_connector_remove(struct drm_connector *connector);
b792e640 170void drm_debugfs_crtc_add(struct drm_crtc *crtc);
9edbf1fa 171void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
b792e640 172void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
c2611031
DV		 173#else
174static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
175 struct dentry *root)
176{
177 return 0;
178}
179
b792e640 180static inline void drm_debugfs_cleanup(struct drm_minor *minor)
c2611031 181{
c2611031
DV		 182}
183
b792e640 184static inline void drm_debugfs_connector_add(struct drm_connector *connector)
c2611031 185{
c2611031
DV		 186}
187static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
188{
189}
9edbf1fa 190
b792e640 191static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
9edbf1fa 192{
9edbf1fa
TV		 193}
194static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
195{
196}
197
b792e640 198static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
9edbf1fa 199{
9edbf1fa 200}
e9083420 201
c2611031 202#endif
e9083420 203
012c6741 204drm_ioctl_t drm_version;
17e3dade 205drm_ioctl_t drm_getunique;
9e92662d 206drm_ioctl_t drm_getclient;
af3c8d98 207
e9083420
DA		 208/* drm_syncobj.c */
209void drm_syncobj_open(struct drm_file *file_private);
210void drm_syncobj_release(struct drm_file *file_private);
211int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
212 struct drm_file *file_private);
213int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
214 struct drm_file *file_private);
215int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
216 struct drm_file *file_private);
217int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
218 struct drm_file *file_private);
ea569910
CZ		 219int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
220 struct drm_file *file_private);
5e60a10e
DA		 221int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
222 struct drm_file *file_private);
01d6c357
CZ		 223int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
224 struct drm_file *file_private);
aa4035d2
JE		 225int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
226 struct drm_file *file_private);
ffa9443f
JE		 227int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
228 struct drm_file *file_private);
50d1ebef
CZ		 229int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
230 struct drm_file *file_private);
27b575a9
CZ		 231int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
232 struct drm_file *file_private);
45d58b40
NT		 233
234/* drm_framebuffer.c */
235void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
236 const struct drm_framebuffer *fb);
237int drm_framebuffer_debugfs_init(struct drm_minor *minor);
6498bf58
R		 238
239/* drm_hdcp.c */
240int drm_setup_hdcp_srm(struct class *drm_class);
241void drm_teardown_hdcp_srm(struct class *drm_class);
Linux 6.x block layer and io_uring tree(s)