drivers/gpu/drm/drm_internal.h

   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
  38 struct dentry;
  39 struct dma_buf;
  40 struct iosys_map;
  41 struct drm_connector;
  42 struct drm_crtc;
  43 struct drm_framebuffer;
  44 struct drm_gem_object;
  45 struct drm_master;
  46 struct drm_minor;
  47 struct drm_prime_file_private;
  48 struct drm_printer;
  49 struct drm_vblank_crtc;
  50
  51 /* drm_client_event.c */
  52 #if defined(CONFIG_DRM_CLIENT)
  53 void drm_client_debugfs_init(struct drm_device *dev);
  54 #else
  55 static inline void drm_client_debugfs_init(struct drm_device *dev)
  56 { }
  57 #endif
  58
  59 /* drm_file.c */
  60 extern struct mutex drm_global_mutex;
  61 bool drm_dev_needs_global_mutex(struct drm_device *dev);
  62 struct drm_file *drm_file_alloc(struct drm_minor *minor);
  63 void drm_file_free(struct drm_file *file);
  64
  65 #ifdef CONFIG_PCI
  66
  67 /* drm_pci.c */
  68 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
  69
  70 #else
  71
  72 static 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 */
  81 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
  82                                  struct drm_file *file_priv);
  83 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
  84                                  struct drm_file *file_priv);
  85
  86 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
  87 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
  88 void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,
  89                                  uint32_t handle);
  90
  91 /* drm_managed.c */
  92 void drm_managed_release(struct drm_device *dev);
  93 void drmm_add_final_kfree(struct drm_device *dev, void *container);
  94
  95 /* drm_vblank.c */
  96 static inline bool drm_vblank_passed(u64 seq, u64 ref)
  97 {
  98         return (seq - ref) <= (1 << 23);
  99 }
 100
 101 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
 102 int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
 103 void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
 104 u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
 105
 106 /* drm_vblank_work.c */
 107 static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
 108 {
 109         kthread_flush_worker(vblank->worker);
 110 }
 111
 112 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
 113 {
 114         if (vblank->worker)
 115                 kthread_destroy_worker(vblank->worker);
 116 }
 117
 118 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
 119 void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
 120 void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
 121
 122 /* IOCTLS */
 123 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
 124                           struct drm_file *filp);
 125
 126 /* drm_irq.c */
 127
 128 /* IOCTLS */
 129 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
 130                                 struct drm_file *filp);
 131
 132 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
 133                                   struct drm_file *filp);
 134
 135 /* drm_auth.c */
 136 int drm_getmagic(struct drm_device *dev, void *data,
 137                  struct drm_file *file_priv);
 138 int drm_authmagic(struct drm_device *dev, void *data,
 139                   struct drm_file *file_priv);
 140 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
 141                         struct drm_file *file_priv);
 142 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
 143                          struct drm_file *file_priv);
 144 int drm_master_open(struct drm_file *file_priv);
 145 void drm_master_release(struct drm_file *file_priv);
 146 bool drm_master_internal_acquire(struct drm_device *dev);
 147 void drm_master_internal_release(struct drm_device *dev);
 148
 149 /* drm_sysfs.c */
 150 extern struct class *drm_class;
 151
 152 int drm_sysfs_init(void);
 153 void drm_sysfs_destroy(void);
 154 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
 155 int drm_sysfs_connector_add(struct drm_connector *connector);
 156 int drm_sysfs_connector_add_late(struct drm_connector *connector);
 157 void drm_sysfs_connector_remove_early(struct drm_connector *connector);
 158 void drm_sysfs_connector_remove(struct drm_connector *connector);
 159
 160 void drm_sysfs_lease_event(struct drm_device *dev);
 161
 162 /* drm_gem.c */
 163 int drm_gem_init(struct drm_device *dev);
 164 int drm_gem_handle_create_tail(struct drm_file *file_priv,
 165                                struct drm_gem_object *obj,
 166                                u32 *handlep);
 167 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
 168                         struct drm_file *file_priv);
 169 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
 170                         struct drm_file *file_priv);
 171 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
 172                        struct drm_file *file_priv);
 173 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
 174 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
 175 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
 176                         const struct drm_gem_object *obj);
 177
 178 int drm_gem_pin_locked(struct drm_gem_object *obj);
 179 void drm_gem_unpin_locked(struct drm_gem_object *obj);
 180 int drm_gem_pin(struct drm_gem_object *obj);
 181 void drm_gem_unpin(struct drm_gem_object *obj);
 182 int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);
 183 void 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)
 187 void drm_debugfs_dev_fini(struct drm_device *dev);
 188 void drm_debugfs_dev_register(struct drm_device *dev);
 189 int drm_debugfs_register(struct drm_minor *minor, int minor_id,
 190                          struct dentry *root);
 191 void drm_debugfs_unregister(struct drm_minor *minor);
 192 void drm_debugfs_connector_add(struct drm_connector *connector);
 193 void drm_debugfs_connector_remove(struct drm_connector *connector);
 194 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
 195 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
 196 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
 197 void drm_debugfs_encoder_add(struct drm_encoder *encoder);
 198 void drm_debugfs_encoder_remove(struct drm_encoder *encoder);
 199 #else
 200 static inline void drm_debugfs_dev_fini(struct drm_device *dev)
 201 {
 202 }
 203
 204 static inline void drm_debugfs_dev_register(struct drm_device *dev)
 205 {
 206 }
 207
 208 static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id,
 209                                        struct dentry *root)
 210 {
 211         return 0;
 212 }
 213
 214 static inline void drm_debugfs_unregister(struct drm_minor *minor)
 215 {
 216 }
 217
 218 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
 219 {
 220 }
 221 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
 222 {
 223 }
 224
 225 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
 226 {
 227 }
 228 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
 229 {
 230 }
 231
 232 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
 233 {
 234 }
 235
 236 static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder)
 237 {
 238 }
 239
 240 static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder)
 241 {
 242 }
 243
 244 #endif
 245
 246 drm_ioctl_t drm_version;
 247 drm_ioctl_t drm_getunique;
 248 drm_ioctl_t drm_getclient;
 249
 250 /* drm_syncobj.c */
 251 void drm_syncobj_open(struct drm_file *file_private);
 252 void drm_syncobj_release(struct drm_file *file_private);
 253 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
 254                              struct drm_file *file_private);
 255 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
 256                               struct drm_file *file_private);
 257 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
 258                                    struct drm_file *file_private);
 259 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
 260                                    struct drm_file *file_private);
 261 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
 262                                struct drm_file *file_private);
 263 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
 264                            struct drm_file *file_private);
 265 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
 266                                     struct drm_file *file_private);
 267 int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,
 268                               struct drm_file *file_private);
 269 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
 270                             struct drm_file *file_private);
 271 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
 272                              struct drm_file *file_private);
 273 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
 274                                       struct drm_file *file_private);
 275 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
 276                             struct drm_file *file_private);
 277
 278 /* drm_framebuffer.c */
 279 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
 280                                 const struct drm_framebuffer *fb);
 281 void drm_framebuffer_debugfs_init(struct drm_device *dev);
 282
 283 #endif /* __DRM_INTERNAL_H__ */