/* * 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. */ #ifndef __DRM_INTERNAL_H__#define __DRM_INTERNAL_H__ #include <linux/kthread.h>#include <linux/types.h> #include <drm/drm_ioctl.h>#include <drm/drm_vblank.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 iosys_map;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;struct drm_vblank_crtc; /* drm_client_event.c */#if defined(CONFIG_DRM_CLIENT)void drm_client_debugfs_init(struct drm_device *dev);#elsestatic inline void drm_client_debugfs_init(struct drm_device *dev){ }#endif /* drm_client_sysrq.c */#if defined(CONFIG_DRM_CLIENT) && defined(CONFIG_MAGIC_SYSRQ)void drm_client_sysrq_register(struct drm_device *dev);void drm_client_sysrq_unregister(struct drm_device *dev);#elsestatic inline void drm_client_sysrq_register(struct drm_device *dev){ }static inline void drm_client_sysrq_unregister(struct drm_device *dev){ }#endif /* drm_file.c */extern struct mutex 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); #ifdef CONFIG_PCI /* drm_pci.c */int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); #else static inline int drm_pci_set_busid(struct drm_device *dev,				    struct drm_master *master){	return -EINVAL;} #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);int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv,			     struct dma_buf *dma_buf, uint32_t handle);void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,				 uint32_t handle); /* drm_managed.c */void drm_managed_release(struct drm_device *dev);void drmm_add_final_kfree(struct drm_device *dev, void *container); /* drm_vblank.c */static inline bool drm_vblank_passed(u64 seq, u64 ref){	return (seq - ref) <= (1 << 23);} void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);int drm_vblank_get(struct drm_device *dev, unsigned int pipe);void drm_vblank_put(struct drm_device *dev, unsigned int pipe);u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe); /* drm_vblank_work.c */static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank){	kthread_flush_worker(vblank->worker);} static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank){	if (vblank->worker)		kthread_destroy_worker(vblank->worker);} int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);void drm_handle_vblank_works(struct drm_vblank_crtc *vblank); /* IOCTLS */int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,			  struct drm_file *filp); /* drm_irq.c */ /* IOCTLS */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 */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);int drm_sysfs_connector_add_late(struct drm_connector *connector);void drm_sysfs_connector_remove_early(struct drm_connector *connector);void drm_sysfs_connector_remove(struct drm_connector *connector); void drm_sysfs_lease_event(struct drm_device *dev); /* drm_gem.c */int drm_gem_init(struct drm_device *dev);bool drm_gem_object_handle_get_if_exists_unlocked(struct drm_gem_object *obj);void drm_gem_object_handle_put_unlocked(struct drm_gem_object *obj);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_change_handle_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_vmap_locked(struct drm_gem_object *obj, struct iosys_map *map);void drm_gem_vunmap_locked(struct drm_gem_object *obj, struct iosys_map *map); /* drm_debugfs.c drm_debugfs_crc.c */#if defined(CONFIG_DEBUG_FS)void drm_debugfs_dev_fini(struct drm_device *dev);void drm_debugfs_dev_register(struct drm_device *dev);int drm_debugfs_register(struct drm_minor *minor, int minor_id);void drm_debugfs_unregister(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);void drm_debugfs_encoder_add(struct drm_encoder *encoder);void drm_debugfs_encoder_remove(struct drm_encoder *encoder);#elsestatic inline void drm_debugfs_dev_fini(struct drm_device *dev){} static inline void drm_debugfs_dev_register(struct drm_device *dev){} static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id){	return 0;} static inline void drm_debugfs_unregister(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){} static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder){} static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder){} #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_eventfd_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);void drm_framebuffer_debugfs_init(struct drm_device *dev); #endif /* __DRM_INTERNAL_H__ */