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#include <linux/kthread.h>
 25
 26#include <drm/drm_ioctl.h>
 27#include <drm/drm_vblank.h>
 28
 29#define DRM_IF_MAJOR 1
 30#define DRM_IF_MINOR 4
 31
 32#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
 33
 34struct dentry;
 35struct dma_buf;
 
 36struct drm_connector;
 37struct drm_crtc;
 38struct drm_framebuffer;
 39struct drm_gem_object;
 40struct drm_master;
 41struct drm_minor;
 42struct drm_prime_file_private;
 43struct drm_printer;
 44struct drm_vblank_crtc;
 45
 46/* drm_file.c */
 47extern struct mutex drm_global_mutex;
 48bool drm_dev_needs_global_mutex(struct drm_device *dev);
 49struct drm_file *drm_file_alloc(struct drm_minor *minor);
 50void drm_file_free(struct drm_file *file);
 51void drm_lastclose(struct drm_device *dev);
 52
 53#ifdef CONFIG_PCI
 54
 55/* drm_pci.c */
 56int drm_irq_by_busid(struct drm_device *dev, void *data,
 57		     struct drm_file *file_priv);
 58void drm_pci_agp_destroy(struct drm_device *dev);
 59int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 60
 61#else
 62
 63static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
 64				   struct drm_file *file_priv)
 65{
 66	return -EINVAL;
 67}
 68
 69static inline void drm_pci_agp_destroy(struct drm_device *dev)
 70{
 71}
 72
 73static inline int drm_pci_set_busid(struct drm_device *dev,
 74				    struct drm_master *master)
 75{
 76	return -EINVAL;
 77}
 78
 79#endif
 80
 81/* drm_prime.c */
 82int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
 83				 struct drm_file *file_priv);
 84int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
 85				 struct drm_file *file_priv);
 86
 87void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
 88void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
 89void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
 90					struct dma_buf *dma_buf);
 91
 92/* drm_drv.c */
 93struct drm_minor *drm_minor_acquire(unsigned int minor_id);
 94void drm_minor_release(struct drm_minor *minor);
 95
 96/* drm_managed.c */
 97void drm_managed_release(struct drm_device *dev);
 
 98
 99/* drm_vblank.c */
100static inline bool drm_vblank_passed(u64 seq, u64 ref)
101{
102	return (seq - ref) <= (1 << 23);
103}
104
105void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
106int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
107void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
108u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
109
110/* drm_vblank_work.c */
111static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
112{
113	kthread_flush_worker(vblank->worker);
114}
115
116static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
117{
118	kthread_destroy_worker(vblank->worker);
 
119}
120
121int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
122void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
123void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
124
125/* IOCTLS */
126int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
127			  struct drm_file *filp);
128int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
129				 struct drm_file *file_priv);
130
131/* drm_irq.c */
132
133/* IOCTLS */
134#if IS_ENABLED(CONFIG_DRM_LEGACY)
135int drm_legacy_irq_control(struct drm_device *dev, void *data,
136			   struct drm_file *file_priv);
137#endif
138
139int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
140				struct drm_file *filp);
141
142int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
143				  struct drm_file *filp);
144
145/* drm_auth.c */
146int drm_getmagic(struct drm_device *dev, void *data,
147		 struct drm_file *file_priv);
148int drm_authmagic(struct drm_device *dev, void *data,
149		  struct drm_file *file_priv);
150int drm_setmaster_ioctl(struct drm_device *dev, void *data,
151			struct drm_file *file_priv);
152int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
153			 struct drm_file *file_priv);
154int drm_master_open(struct drm_file *file_priv);
155void drm_master_release(struct drm_file *file_priv);
156bool drm_master_internal_acquire(struct drm_device *dev);
157void drm_master_internal_release(struct drm_device *dev);
158
159/* drm_sysfs.c */
160extern struct class *drm_class;
161
162int drm_sysfs_init(void);
163void drm_sysfs_destroy(void);
164struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
165int drm_sysfs_connector_add(struct drm_connector *connector);
166void drm_sysfs_connector_remove(struct drm_connector *connector);
167
168void drm_sysfs_lease_event(struct drm_device *dev);
169
170/* drm_gem.c */
171struct drm_gem_object;
172int drm_gem_init(struct drm_device *dev);
173int drm_gem_handle_create_tail(struct drm_file *file_priv,
174			       struct drm_gem_object *obj,
175			       u32 *handlep);
176int drm_gem_close_ioctl(struct drm_device *dev, void *data,
177			struct drm_file *file_priv);
178int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
179			struct drm_file *file_priv);
180int drm_gem_open_ioctl(struct drm_device *dev, void *data,
181		       struct drm_file *file_priv);
182void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
183void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
184void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
185			const struct drm_gem_object *obj);
186
187int drm_gem_pin(struct drm_gem_object *obj);
188void drm_gem_unpin(struct drm_gem_object *obj);
189void *drm_gem_vmap(struct drm_gem_object *obj);
190void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
 
 
 
191
192/* drm_debugfs.c drm_debugfs_crc.c */
193#if defined(CONFIG_DEBUG_FS)
194int drm_debugfs_init(struct drm_minor *minor, int minor_id,
195		     struct dentry *root);
196void drm_debugfs_cleanup(struct drm_minor *minor);
197void drm_debugfs_connector_add(struct drm_connector *connector);
198void drm_debugfs_connector_remove(struct drm_connector *connector);
199void drm_debugfs_crtc_add(struct drm_crtc *crtc);
200void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
201void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
202#else
203static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
204				   struct dentry *root)
205{
206	return 0;
207}
208
209static inline void drm_debugfs_cleanup(struct drm_minor *minor)
210{
211}
212
213static inline void drm_debugfs_connector_add(struct drm_connector *connector)
214{
215}
216static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
217{
218}
219
220static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
221{
222}
223static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
224{
225}
226
227static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
228{
229}
230
231#endif
232
233drm_ioctl_t drm_version;
234drm_ioctl_t drm_getunique;
235drm_ioctl_t drm_getclient;
236
237/* drm_syncobj.c */
238void drm_syncobj_open(struct drm_file *file_private);
239void drm_syncobj_release(struct drm_file *file_private);
240int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
241			     struct drm_file *file_private);
242int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
243			      struct drm_file *file_private);
244int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
245				   struct drm_file *file_private);
246int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
247				   struct drm_file *file_private);
248int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
249			       struct drm_file *file_private);
250int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
251			   struct drm_file *file_private);
252int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
253				    struct drm_file *file_private);
254int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
255			    struct drm_file *file_private);
256int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
257			     struct drm_file *file_private);
258int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
259				      struct drm_file *file_private);
260int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
261			    struct drm_file *file_private);
262
263/* drm_framebuffer.c */
264void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
265				const struct drm_framebuffer *fb);
266void drm_framebuffer_debugfs_init(struct drm_minor *minor);

  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#include <linux/kthread.h>
 25
 26#include <drm/drm_ioctl.h>
 27#include <drm/drm_vblank.h>
 28
 29#define DRM_IF_MAJOR 1
 30#define DRM_IF_MINOR 4
 31
 32#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
 33
 34struct dentry;
 35struct dma_buf;
 36struct iosys_map;
 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;
 45struct drm_vblank_crtc;
 46
 47/* drm_file.c */
 48extern struct mutex drm_global_mutex;
 49bool drm_dev_needs_global_mutex(struct drm_device *dev);
 50struct drm_file *drm_file_alloc(struct drm_minor *minor);
 51void drm_file_free(struct drm_file *file);
 52void drm_lastclose(struct drm_device *dev);
 53
 54#ifdef CONFIG_PCI
 55
 56/* drm_pci.c */
 
 
 
 57int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 58
 59#else
 60
 
 
 
 
 
 
 
 
 
 
 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
 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(struct drm_prime_file_private *prime_fpriv,
 78				 uint32_t handle);
 79
 80/* drm_drv.c */
 81struct drm_minor *drm_minor_acquire(unsigned int minor_id);
 82void drm_minor_release(struct drm_minor *minor);
 83
 84/* drm_managed.c */
 85void drm_managed_release(struct drm_device *dev);
 86void drmm_add_final_kfree(struct drm_device *dev, void *container);
 87
 88/* drm_vblank.c */
 89static inline bool drm_vblank_passed(u64 seq, u64 ref)
 90{
 91	return (seq - ref) <= (1 << 23);
 92}
 93
 94void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
 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	if (vblank->worker)
108		kthread_destroy_worker(vblank->worker);
109}
110
111int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
112void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
113void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
114
115/* IOCTLS */
116int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
117			  struct drm_file *filp);
118int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
119				 struct drm_file *file_priv);
120
121/* drm_irq.c */
122
123/* IOCTLS */
124#if IS_ENABLED(CONFIG_DRM_LEGACY)
125int drm_legacy_irq_control(struct drm_device *dev, void *data,
126			   struct drm_file *file_priv);
127#endif
128
129int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
130				struct drm_file *filp);
131
132int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
133				  struct drm_file *filp);
134
135/* drm_auth.c */
136int drm_getmagic(struct drm_device *dev, void *data,
137		 struct drm_file *file_priv);
138int drm_authmagic(struct drm_device *dev, void *data,
139		  struct drm_file *file_priv);
140int drm_setmaster_ioctl(struct drm_device *dev, void *data,
141			struct drm_file *file_priv);
142int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
143			 struct drm_file *file_priv);
144int drm_master_open(struct drm_file *file_priv);
145void drm_master_release(struct drm_file *file_priv);
146bool drm_master_internal_acquire(struct drm_device *dev);
147void drm_master_internal_release(struct drm_device *dev);
148
149/* drm_sysfs.c */
150extern struct class *drm_class;
151
152int drm_sysfs_init(void);
153void drm_sysfs_destroy(void);
154struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
155int drm_sysfs_connector_add(struct drm_connector *connector);
156void drm_sysfs_connector_remove(struct drm_connector *connector);
157
158void drm_sysfs_lease_event(struct drm_device *dev);
159
160/* drm_gem.c */
 
161int drm_gem_init(struct drm_device *dev);
162int drm_gem_handle_create_tail(struct drm_file *file_priv,
163			       struct drm_gem_object *obj,
164			       u32 *handlep);
165int drm_gem_close_ioctl(struct drm_device *dev, void *data,
166			struct drm_file *file_priv);
167int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
168			struct drm_file *file_priv);
169int drm_gem_open_ioctl(struct drm_device *dev, void *data,
170		       struct drm_file *file_priv);
171void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
172void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
173void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
174			const struct drm_gem_object *obj);
175
176int drm_gem_pin(struct drm_gem_object *obj);
177void drm_gem_unpin(struct drm_gem_object *obj);
178int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
179void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
180
181int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
182			 u32 handle);
183
184/* drm_debugfs.c drm_debugfs_crc.c */
185#if defined(CONFIG_DEBUG_FS)
186int drm_debugfs_init(struct drm_minor *minor, int minor_id,
187		     struct dentry *root);
188void drm_debugfs_cleanup(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);
194#else
195static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
196				   struct dentry *root)
197{
198	return 0;
199}
200
201static inline void drm_debugfs_cleanup(struct drm_minor *minor)
202{
203}
204
205static inline void drm_debugfs_connector_add(struct drm_connector *connector)
206{
207}
208static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
209{
210}
211
212static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
213{
214}
215static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
216{
217}
218
219static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
220{
221}
222
223#endif
224
225drm_ioctl_t drm_version;
226drm_ioctl_t drm_getunique;
227drm_ioctl_t drm_getclient;
228
229/* drm_syncobj.c */
230void drm_syncobj_open(struct drm_file *file_private);
231void drm_syncobj_release(struct drm_file *file_private);
232int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
233			     struct drm_file *file_private);
234int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
235			      struct drm_file *file_private);
236int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
237				   struct drm_file *file_private);
238int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
239				   struct drm_file *file_private);
240int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
241			       struct drm_file *file_private);
242int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
243			   struct drm_file *file_private);
244int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
245				    struct drm_file *file_private);
246int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
247			    struct drm_file *file_private);
248int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
249			     struct drm_file *file_private);
250int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
251				      struct drm_file *file_private);
252int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
253			    struct drm_file *file_private);
254
255/* drm_framebuffer.c */
256void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
257				const struct drm_framebuffer *fb);
258void drm_framebuffer_debugfs_init(struct drm_minor *minor);