text: /*
   * Copyright © 2014 Intel Corporation
   *   Daniel Vetter <daniel.vetter@ffwll.ch>
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #include <drm/drm_ioctl.h>
  
  #define DRM_IF_MAJOR 1
  #define DRM_IF_MINOR 4
  
  #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
  
  struct dentry;
  struct dma_buf;
  struct drm_connector;
  struct drm_crtc;
  struct drm_framebuffer;
  struct drm_gem_object;
  struct drm_master;
  struct drm_minor;
  struct drm_prime_file_private;
  struct drm_printer;
  
  /* drm_file.c */
  extern struct rwlock drm_global_mutex;
  bool drm_dev_needs_global_mutex(struct drm_device *dev);
  struct drm_file *drm_file_alloc(struct drm_minor *minor);
  void drm_file_free(struct drm_file *file);
  void drm_lastclose(struct drm_device *dev);
  
  #ifdef CONFIG_PCI
  
  /* drm_pci.c */
  #ifndef DRM_PCI_IMPLEMENTATION
  int drm_irq_by_busid(struct drm_device *dev, void *data,
  		     struct drm_file *file_priv);
  void drm_pci_agp_destroy(struct drm_device *dev);
  int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
  #endif
  
  #else
  
  #ifndef DRM_PCI_IMPLEMENTATION
  static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
  				   struct drm_file *file_priv)
  {
  	return -EINVAL;
  }
  
  static inline void drm_pci_agp_destroy(struct drm_device *dev)
  {
  }
  
  static inline int drm_pci_set_busid(struct drm_device *dev,
  				    struct drm_master *master)
  {
  	return -EINVAL;
  }
  #endif
  
  #endif
  
  /* drm_prime.c */
  int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
  				 struct drm_file *file_priv);
  int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
  				 struct drm_file *file_priv);
  
  void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
  void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
  void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
  					struct dma_buf *dma_buf);
  
  /* drm_drv.c */
  struct drm_minor *drm_minor_acquire(unsigned int minor_id);
  void drm_minor_release(struct drm_minor *minor);
  
  /* drm_vblank.c */
  void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
  void drm_vblank_cleanup(struct drm_device *dev);
  
  /* IOCTLS */
  int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
  			  struct drm_file *filp);
  int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
  				 struct drm_file *file_priv);
  
  /* drm_irq.c */
  
  /* IOCTLS */
  #if IS_ENABLED(CONFIG_DRM_LEGACY)
  int drm_legacy_irq_control(struct drm_device *dev, void *data,
  			   struct drm_file *file_priv);
  #endif
  
  int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
  				struct drm_file *filp);
  
  int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
  				  struct drm_file *filp);
  
  /* drm_auth.c */
  int drm_getmagic(struct drm_device *dev, void *data,
  		 struct drm_file *file_priv);
  int drm_authmagic(struct drm_device *dev, void *data,
  		  struct drm_file *file_priv);
  int drm_setmaster_ioctl(struct drm_device *dev, void *data,
  			struct drm_file *file_priv);
  int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
  			 struct drm_file *file_priv);
  int drm_master_open(struct drm_file *file_priv);
  void drm_master_release(struct drm_file *file_priv);
  bool drm_master_internal_acquire(struct drm_device *dev);
  void drm_master_internal_release(struct drm_device *dev);
  
  /* drm_sysfs.c */
  #ifdef __linux__
  extern struct class *drm_class;
  
  int drm_sysfs_init(void);
  void drm_sysfs_destroy(void);
  struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
  int drm_sysfs_connector_add(struct drm_connector *connector);
  void drm_sysfs_connector_remove(struct drm_connector *connector);
  
  void drm_sysfs_lease_event(struct drm_device *dev);
  #else
  static inline struct device *
  drm_sysfs_minor_alloc(struct drm_minor *minor)
  {
  	return ERR_PTR(-ENOSYS);
  }
  
  static inline int
  drm_sysfs_connector_add(struct drm_connector *connector)
  {
  	return 0;
  }
  
  static inline void
  drm_sysfs_connector_remove(struct drm_connector *connector)
  {
  }
  #endif
  
  /* drm_gem.c */
  struct drm_gem_object;
  int drm_gem_init(struct drm_device *dev);
  void drm_gem_destroy(struct drm_device *dev);
  int drm_gem_handle_create_tail(struct drm_file *file_priv,
  			       struct drm_gem_object *obj,
  			       u32 *handlep);
  int drm_gem_close_ioctl(struct drm_device *dev, void *data,
  			struct drm_file *file_priv);
  int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
  			struct drm_file *file_priv);
  int drm_gem_open_ioctl(struct drm_device *dev, void *data,
  		       struct drm_file *file_priv);
  void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
  void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
  void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
  			const struct drm_gem_object *obj);
  
  int drm_gem_pin(struct drm_gem_object *obj);
  void drm_gem_unpin(struct drm_gem_object *obj);
  void *drm_gem_vmap(struct drm_gem_object *obj);
  void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
  
  /* drm_debugfs.c drm_debugfs_crc.c */
  #if defined(CONFIG_DEBUG_FS)
  int drm_debugfs_init(struct drm_minor *minor, int minor_id,
  		     struct dentry *root);
  void drm_debugfs_cleanup(struct drm_minor *minor);
  void drm_debugfs_connector_add(struct drm_connector *connector);
  void drm_debugfs_connector_remove(struct drm_connector *connector);
  void drm_debugfs_crtc_add(struct drm_crtc *crtc);
  void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
  void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
  #else
  static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
  				   struct dentry *root)
  {
  	return 0;
  }
  
  static inline void drm_debugfs_cleanup(struct drm_minor *minor)
  {
  }
  
  static inline void drm_debugfs_connector_add(struct drm_connector *connector)
  {
  }
  static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
  {
  }
  
  static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
  {
  }
  static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
  {
  }
  
  static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
  {
  }
  
  #endif
  
  drm_ioctl_t drm_version;
  drm_ioctl_t drm_getunique;
  drm_ioctl_t drm_getclient;
  
  /* drm_syncobj.c */
  void drm_syncobj_open(struct drm_file *file_private);
  void drm_syncobj_release(struct drm_file *file_private);
  int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
  			     struct drm_file *file_private);
  int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
  			      struct drm_file *file_private);
  int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
  				   struct drm_file *file_private);
  int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
  				   struct drm_file *file_private);
  int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
  			       struct drm_file *file_private);
  int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
  			   struct drm_file *file_private);
  int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
  				    struct drm_file *file_private);
  int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
  			    struct drm_file *file_private);
  int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
  			     struct drm_file *file_private);
  int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
  				      struct drm_file *file_private);
  int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
  			    struct drm_file *file_private);
  
  /* drm_framebuffer.c */
  void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
  				const struct drm_framebuffer *fb);
  int drm_framebuffer_debugfs_init(struct drm_minor *minor);
  