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#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_client_event.c */
 52#if defined(CONFIG_DRM_CLIENT)
 53void drm_client_debugfs_init(struct drm_device *dev);
 54#else
 55static inline void drm_client_debugfs_init(struct drm_device *dev)
 56{ }
 57#endif
 58
 59/* drm_file.c */
 60extern struct mutex drm_global_mutex;
 61bool drm_dev_needs_global_mutex(struct drm_device *dev);
 62struct drm_file *drm_file_alloc(struct drm_minor *minor);
 63void drm_file_free(struct drm_file *file);
 
 64
 65#ifdef CONFIG_PCI
 66
 67/* drm_pci.c */
 
 
 
 68int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 69
 70#else
 71
 
 
 
 
 
 
 
 
 
 
 72static inline int drm_pci_set_busid(struct drm_device *dev,
 73				    struct drm_master *master)
 74{
 75	return -EINVAL;
 76}
 77
 78#endif
 79
 80/* drm_prime.c */
 81int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
 82				 struct drm_file *file_priv);
 83int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
 84				 struct drm_file *file_priv);
 85
 86void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
 87void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
 88void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,
 89				 uint32_t handle);
 
 
 
 
 90
 91/* drm_managed.c */
 92void drm_managed_release(struct drm_device *dev);
 93void drmm_add_final_kfree(struct drm_device *dev, void *container);
 94
 95/* drm_vblank.c */
 96static inline bool drm_vblank_passed(u64 seq, u64 ref)
 97{
 98	return (seq - ref) <= (1 << 23);
 99}
100
101void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
102int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
103void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
104u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
105
106/* drm_vblank_work.c */
107static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
108{
109	kthread_flush_worker(vblank->worker);
110}
111
112static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
113{
114	if (vblank->worker)
115		kthread_destroy_worker(vblank->worker);
116}
117
118int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
119void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
120void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
121
122/* IOCTLS */
123int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
124			  struct drm_file *filp);
 
 
125
126/* drm_irq.c */
127
128/* IOCTLS */
 
 
 
 
 
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);
156int drm_sysfs_connector_add_late(struct drm_connector *connector);
157void drm_sysfs_connector_remove_early(struct drm_connector *connector);
158void drm_sysfs_connector_remove(struct drm_connector *connector);
159
160void drm_sysfs_lease_event(struct drm_device *dev);
161
162/* drm_gem.c */
 
163int drm_gem_init(struct drm_device *dev);
164int drm_gem_handle_create_tail(struct drm_file *file_priv,
165			       struct drm_gem_object *obj,
166			       u32 *handlep);
167int drm_gem_close_ioctl(struct drm_device *dev, void *data,
168			struct drm_file *file_priv);
169int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
170			struct drm_file *file_priv);
171int drm_gem_open_ioctl(struct drm_device *dev, void *data,
172		       struct drm_file *file_priv);
173void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
174void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
175void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
176			const struct drm_gem_object *obj);
177
178int drm_gem_pin_locked(struct drm_gem_object *obj);
179void drm_gem_unpin_locked(struct drm_gem_object *obj);
180int drm_gem_pin(struct drm_gem_object *obj);
181void drm_gem_unpin(struct drm_gem_object *obj);
182int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
183void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
184
185/* drm_debugfs.c drm_debugfs_crc.c */
186#if defined(CONFIG_DEBUG_FS)
187void drm_debugfs_dev_fini(struct drm_device *dev);
188void drm_debugfs_dev_register(struct drm_device *dev);
189int drm_debugfs_register(struct drm_minor *minor, int minor_id,
190			 struct dentry *root);
191void drm_debugfs_unregister(struct drm_minor *minor);
192void drm_debugfs_connector_add(struct drm_connector *connector);
193void drm_debugfs_connector_remove(struct drm_connector *connector);
194void drm_debugfs_crtc_add(struct drm_crtc *crtc);
195void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
196void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
197void drm_debugfs_encoder_add(struct drm_encoder *encoder);
198void drm_debugfs_encoder_remove(struct drm_encoder *encoder);
199#else
200static inline void drm_debugfs_dev_fini(struct drm_device *dev)
201{
202}
203
204static inline void drm_debugfs_dev_register(struct drm_device *dev)
205{
206}
207
208static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id,
209				       struct dentry *root)
210{
211	return 0;
212}
213
214static inline void drm_debugfs_unregister(struct drm_minor *minor)
215{
216}
217
218static inline void drm_debugfs_connector_add(struct drm_connector *connector)
219{
220}
221static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
222{
223}
224
225static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
226{
227}
228static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
229{
230}
231
232static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
233{
234}
235
236static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder)
237{
238}
239
240static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder)
241{
242}
243
244#endif
245
246drm_ioctl_t drm_version;
247drm_ioctl_t drm_getunique;
248drm_ioctl_t drm_getclient;
249
250/* drm_syncobj.c */
251void drm_syncobj_open(struct drm_file *file_private);
252void drm_syncobj_release(struct drm_file *file_private);
253int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
254			     struct drm_file *file_private);
255int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
256			      struct drm_file *file_private);
257int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
258				   struct drm_file *file_private);
259int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
260				   struct drm_file *file_private);
261int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
262			       struct drm_file *file_private);
263int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
264			   struct drm_file *file_private);
265int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
266				    struct drm_file *file_private);
267int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,
268			      struct drm_file *file_private);
269int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
270			    struct drm_file *file_private);
271int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
272			     struct drm_file *file_private);
273int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
274				      struct drm_file *file_private);
275int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
276			    struct drm_file *file_private);
277
278/* drm_framebuffer.c */
279void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
280				const struct drm_framebuffer *fb);
281void drm_framebuffer_debugfs_init(struct drm_device *dev);
282
283#endif /* __DRM_INTERNAL_H__ */