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#include <linux/types.h>
 26
 27#include <drm/drm_ioctl.h>
 28#include <drm/drm_vblank.h>
 29
 30#define DRM_IF_MAJOR 1
 31#define DRM_IF_MINOR 4
 32
 33#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
 34
 35struct cea_sad;
 36struct dentry;
 37struct dma_buf;
 38struct iosys_map;
 39struct drm_connector;
 40struct drm_crtc;
 41struct drm_framebuffer;
 42struct drm_gem_object;
 43struct drm_master;
 44struct drm_minor;
 45struct drm_prime_file_private;
 46struct drm_printer;
 47struct drm_vblank_crtc;
 48
 49/* drm_file.c */
 50extern struct mutex drm_global_mutex;
 51bool drm_dev_needs_global_mutex(struct drm_device *dev);
 52struct drm_file *drm_file_alloc(struct drm_minor *minor);
 53void drm_file_free(struct drm_file *file);
 54void drm_lastclose(struct drm_device *dev);
 55
 56#ifdef CONFIG_PCI
 57
 58/* drm_pci.c */
 59int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 60
 61#else
 62
 63static inline int drm_pci_set_busid(struct drm_device *dev,
 64				    struct drm_master *master)
 65{
 66	return -EINVAL;
 67}
 68
 69#endif
 70
 71/* drm_prime.c */
 72int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
 73				 struct drm_file *file_priv);
 74int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
 75				 struct drm_file *file_priv);
 76
 77void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
 78void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
 79void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,
 80				 uint32_t handle);
 81
 82/* drm_drv.c */
 83struct drm_minor *drm_minor_acquire(unsigned int minor_id);
 84void drm_minor_release(struct drm_minor *minor);
 85
 86/* drm_managed.c */
 87void drm_managed_release(struct drm_device *dev);
 88void drmm_add_final_kfree(struct drm_device *dev, void *container);
 89
 90/* drm_vblank.c */
 91static inline bool drm_vblank_passed(u64 seq, u64 ref)
 92{
 93	return (seq - ref) <= (1 << 23);
 94}
 95
 96void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
 97int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
 98void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
 99u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
100
101/* drm_vblank_work.c */
102static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
103{
104	kthread_flush_worker(vblank->worker);
105}
106
107static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
108{
109	if (vblank->worker)
110		kthread_destroy_worker(vblank->worker);
111}
112
113int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
114void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
115void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
116
117/* IOCTLS */
118int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
119			  struct drm_file *filp);
 
 
120
121/* drm_irq.c */
122
123/* IOCTLS */
 
 
 
 
 
124int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
125				struct drm_file *filp);
126
127int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
128				  struct drm_file *filp);
129
130/* drm_auth.c */
131int drm_getmagic(struct drm_device *dev, void *data,
132		 struct drm_file *file_priv);
133int drm_authmagic(struct drm_device *dev, void *data,
134		  struct drm_file *file_priv);
135int drm_setmaster_ioctl(struct drm_device *dev, void *data,
136			struct drm_file *file_priv);
137int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
138			 struct drm_file *file_priv);
139int drm_master_open(struct drm_file *file_priv);
140void drm_master_release(struct drm_file *file_priv);
141bool drm_master_internal_acquire(struct drm_device *dev);
142void drm_master_internal_release(struct drm_device *dev);
143
144/* drm_sysfs.c */
145extern struct class *drm_class;
146
147int drm_sysfs_init(void);
148void drm_sysfs_destroy(void);
149struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
150int drm_sysfs_connector_add(struct drm_connector *connector);
151int drm_sysfs_connector_add_late(struct drm_connector *connector);
152void drm_sysfs_connector_remove_early(struct drm_connector *connector);
153void drm_sysfs_connector_remove(struct drm_connector *connector);
154
155void drm_sysfs_lease_event(struct drm_device *dev);
156
157/* drm_gem.c */
158int drm_gem_init(struct drm_device *dev);
159int drm_gem_handle_create_tail(struct drm_file *file_priv,
160			       struct drm_gem_object *obj,
161			       u32 *handlep);
162int drm_gem_close_ioctl(struct drm_device *dev, void *data,
163			struct drm_file *file_priv);
164int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
165			struct drm_file *file_priv);
166int drm_gem_open_ioctl(struct drm_device *dev, void *data,
167		       struct drm_file *file_priv);
168void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
169void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
170void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
171			const struct drm_gem_object *obj);
172
173int drm_gem_pin(struct drm_gem_object *obj);
174void drm_gem_unpin(struct drm_gem_object *obj);
175int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
176void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
 
 
 
177
178/* drm_debugfs.c drm_debugfs_crc.c */
179#if defined(CONFIG_DEBUG_FS)
180void drm_debugfs_dev_fini(struct drm_device *dev);
181void drm_debugfs_dev_register(struct drm_device *dev);
182int drm_debugfs_register(struct drm_minor *minor, int minor_id,
183			 struct dentry *root);
184void drm_debugfs_unregister(struct drm_minor *minor);
185void drm_debugfs_connector_add(struct drm_connector *connector);
186void drm_debugfs_connector_remove(struct drm_connector *connector);
187void drm_debugfs_crtc_add(struct drm_crtc *crtc);
188void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
189void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
190void drm_debugfs_encoder_add(struct drm_encoder *encoder);
191void drm_debugfs_encoder_remove(struct drm_encoder *encoder);
192#else
193static inline void drm_debugfs_dev_fini(struct drm_device *dev)
194{
195}
196
197static inline void drm_debugfs_dev_register(struct drm_device *dev)
198{
199}
200
201static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id,
202				       struct dentry *root)
203{
204	return 0;
205}
206
207static inline void drm_debugfs_unregister(struct drm_minor *minor)
208{
209}
210
211static inline void drm_debugfs_connector_add(struct drm_connector *connector)
212{
213}
214static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
215{
216}
217
218static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
219{
220}
221static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
222{
223}
224
225static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
226{
227}
228
229static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder)
230{
231}
232
233static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder)
234{
235}
236
237#endif
238
239drm_ioctl_t drm_version;
240drm_ioctl_t drm_getunique;
241drm_ioctl_t drm_getclient;
242
243/* drm_syncobj.c */
244void drm_syncobj_open(struct drm_file *file_private);
245void drm_syncobj_release(struct drm_file *file_private);
246int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
247			     struct drm_file *file_private);
248int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
249			      struct drm_file *file_private);
250int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
251				   struct drm_file *file_private);
252int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
253				   struct drm_file *file_private);
254int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
255			       struct drm_file *file_private);
256int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
257			   struct drm_file *file_private);
258int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
259				    struct drm_file *file_private);
260int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,
261			      struct drm_file *file_private);
262int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
263			    struct drm_file *file_private);
264int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
265			     struct drm_file *file_private);
266int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
267				      struct drm_file *file_private);
268int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
269			    struct drm_file *file_private);
270
271/* drm_framebuffer.c */
272void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
273				const struct drm_framebuffer *fb);
274void drm_framebuffer_debugfs_init(struct drm_device *dev);
275
276/* drm_edid.c */
277void drm_edid_cta_sad_get(const struct cea_sad *cta_sad, u8 *sad);
278void drm_edid_cta_sad_set(struct cea_sad *cta_sad, const u8 *sad);

  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 dma_buf_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_locked(struct drm_prime_file_private *prime_fpriv,
 78					struct dma_buf *dma_buf);
 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	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);
113
114/* IOCTLS */
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 */
123#if IS_ENABLED(CONFIG_DRM_LEGACY)
124int drm_legacy_irq_control(struct drm_device *dev, void *data,
125			   struct drm_file *file_priv);
126#endif
127
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
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);
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);
143int drm_master_open(struct drm_file *file_priv);
144void drm_master_release(struct drm_file *file_priv);
145bool drm_master_internal_acquire(struct drm_device *dev);
146void drm_master_internal_release(struct drm_device *dev);
147
148/* drm_sysfs.c */
149extern struct class *drm_class;
150
151int drm_sysfs_init(void);
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
157void drm_sysfs_lease_event(struct drm_device *dev);
158
159/* drm_gem.c */
160int drm_gem_init(struct drm_device *dev);
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);
172void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
173			const struct drm_gem_object *obj);
174
175int drm_gem_pin(struct drm_gem_object *obj);
176void drm_gem_unpin(struct drm_gem_object *obj);
177int drm_gem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map);
178void drm_gem_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map);
179
180int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
181			 u32 handle);
182
183/* drm_debugfs.c drm_debugfs_crc.c */
184#if defined(CONFIG_DEBUG_FS)
185int drm_debugfs_init(struct drm_minor *minor, int minor_id,
186		     struct dentry *root);
187void drm_debugfs_cleanup(struct drm_minor *minor);
 
 
188void drm_debugfs_connector_add(struct drm_connector *connector);
189void drm_debugfs_connector_remove(struct drm_connector *connector);
190void drm_debugfs_crtc_add(struct drm_crtc *crtc);
191void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
192void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
 
 
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
200static inline void drm_debugfs_cleanup(struct drm_minor *minor)
201{
202}
203
204static inline void drm_debugfs_connector_add(struct drm_connector *connector)
205{
206}
207static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
208{
209}
210
211static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
212{
213}
214static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
215{
216}
217
218static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
219{
220}
221
 
 
 
 
 
 
 
 
222#endif
223
224drm_ioctl_t drm_version;
225drm_ioctl_t drm_getunique;
226drm_ioctl_t drm_getclient;
227
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);
239int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
240			       struct drm_file *file_private);
241int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
242			   struct drm_file *file_private);
243int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
244				    struct drm_file *file_private);
 
 
245int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
246			    struct drm_file *file_private);
247int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
248			     struct drm_file *file_private);
249int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
250				      struct drm_file *file_private);
251int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
252			    struct drm_file *file_private);
253
254/* drm_framebuffer.c */
255void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
256				const struct drm_framebuffer *fb);
257void drm_framebuffer_debugfs_init(struct drm_minor *minor);