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1/*2 * Copyright © 2014 Intel Corporation3 * Daniel Vetter <daniel.vetter@ffwll.ch>4 *5 * Permission is hereby granted, free of charge, to any person obtaining a6 * copy of this software and associated documentation files (the "Software"),7 * to deal in the Software without restriction, including without limitation8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,9 * and/or sell copies of the Software, and to permit persons to whom the10 * Software is furnished to do so, subject to the following conditions:11 *12 * The above copyright notice and this permission notice shall be included in13 * all copies or substantial portions of the Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR19 * 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 OR21 * 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 134#define DRM_IF_MINOR 435 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_file.c */52extern struct mutex drm_global_mutex;53bool drm_dev_needs_global_mutex(struct drm_device *dev);54struct drm_file *drm_file_alloc(struct drm_minor *minor);55void drm_file_free(struct drm_file *file);56 57#ifdef CONFIG_PCI58 59/* drm_pci.c */60int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);61 62#else63 64static inline int drm_pci_set_busid(struct drm_device *dev,65 struct drm_master *master)66{67 return -EINVAL;68}69 70#endif71 72/* drm_prime.c */73int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,74 struct drm_file *file_priv);75int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,76 struct drm_file *file_priv);77 78void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);79void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);80void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv,81 uint32_t handle);82 83/* drm_managed.c */84void drm_managed_release(struct drm_device *dev);85void drmm_add_final_kfree(struct drm_device *dev, void *container);86 87/* drm_vblank.c */88static inline bool drm_vblank_passed(u64 seq, u64 ref)89{90 return (seq - ref) <= (1 << 23);91}92 93void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);94int drm_vblank_get(struct drm_device *dev, unsigned int pipe);95void drm_vblank_put(struct drm_device *dev, unsigned int pipe);96u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);97 98/* drm_vblank_work.c */99static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)100{101 kthread_flush_worker(vblank->worker);102}103 104static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)105{106 if (vblank->worker)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);117 118/* drm_irq.c */119 120/* IOCTLS */121int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,122 struct drm_file *filp);123 124int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,125 struct drm_file *filp);126 127/* drm_auth.c */128int drm_getmagic(struct drm_device *dev, void *data,129 struct drm_file *file_priv);130int drm_authmagic(struct drm_device *dev, void *data,131 struct drm_file *file_priv);132int drm_setmaster_ioctl(struct drm_device *dev, void *data,133 struct drm_file *file_priv);134int drm_dropmaster_ioctl(struct drm_device *dev, void *data,135 struct drm_file *file_priv);136int drm_master_open(struct drm_file *file_priv);137void drm_master_release(struct drm_file *file_priv);138bool drm_master_internal_acquire(struct drm_device *dev);139void drm_master_internal_release(struct drm_device *dev);140 141/* drm_sysfs.c */142extern struct class *drm_class;143 144int drm_sysfs_init(void);145void drm_sysfs_destroy(void);146struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);147int drm_sysfs_connector_add(struct drm_connector *connector);148int drm_sysfs_connector_add_late(struct drm_connector *connector);149void drm_sysfs_connector_remove_early(struct drm_connector *connector);150void drm_sysfs_connector_remove(struct drm_connector *connector);151 152void drm_sysfs_lease_event(struct drm_device *dev);153 154/* drm_gem.c */155int drm_gem_init(struct drm_device *dev);156int drm_gem_handle_create_tail(struct drm_file *file_priv,157 struct drm_gem_object *obj,158 u32 *handlep);159int drm_gem_close_ioctl(struct drm_device *dev, void *data,160 struct drm_file *file_priv);161int drm_gem_flink_ioctl(struct drm_device *dev, void *data,162 struct drm_file *file_priv);163int drm_gem_open_ioctl(struct drm_device *dev, void *data,164 struct drm_file *file_priv);165void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);166void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);167void drm_gem_print_info(struct drm_printer *p, unsigned int indent,168 const struct drm_gem_object *obj);169 170int drm_gem_pin_locked(struct drm_gem_object *obj);171void drm_gem_unpin_locked(struct drm_gem_object *obj);172int drm_gem_pin(struct drm_gem_object *obj);173void drm_gem_unpin(struct drm_gem_object *obj);174int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map);175void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);176 177/* drm_debugfs.c drm_debugfs_crc.c */178#if defined(CONFIG_DEBUG_FS)179void drm_debugfs_dev_fini(struct drm_device *dev);180void drm_debugfs_dev_register(struct drm_device *dev);181int drm_debugfs_register(struct drm_minor *minor, int minor_id,182 struct dentry *root);183void drm_debugfs_unregister(struct drm_minor *minor);184void drm_debugfs_connector_add(struct drm_connector *connector);185void drm_debugfs_connector_remove(struct drm_connector *connector);186void drm_debugfs_crtc_add(struct drm_crtc *crtc);187void drm_debugfs_crtc_remove(struct drm_crtc *crtc);188void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);189void drm_debugfs_encoder_add(struct drm_encoder *encoder);190void drm_debugfs_encoder_remove(struct drm_encoder *encoder);191#else192static inline void drm_debugfs_dev_fini(struct drm_device *dev)193{194}195 196static inline void drm_debugfs_dev_register(struct drm_device *dev)197{198}199 200static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id,201 struct dentry *root)202{203 return 0;204}205 206static inline void drm_debugfs_unregister(struct drm_minor *minor)207{208}209 210static inline void drm_debugfs_connector_add(struct drm_connector *connector)211{212}213static inline void drm_debugfs_connector_remove(struct drm_connector *connector)214{215}216 217static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)218{219}220static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)221{222}223 224static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)225{226}227 228static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder)229{230}231 232static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder)233{234}235 236#endif237 238drm_ioctl_t drm_version;239drm_ioctl_t drm_getunique;240drm_ioctl_t drm_getclient;241 242/* drm_syncobj.c */243void drm_syncobj_open(struct drm_file *file_private);244void drm_syncobj_release(struct drm_file *file_private);245int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,246 struct drm_file *file_private);247int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,248 struct drm_file *file_private);249int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,250 struct drm_file *file_private);251int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,252 struct drm_file *file_private);253int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,254 struct drm_file *file_private);255int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,256 struct drm_file *file_private);257int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,258 struct drm_file *file_private);259int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data,260 struct drm_file *file_private);261int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,262 struct drm_file *file_private);263int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,264 struct drm_file *file_private);265int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,266 struct drm_file *file_private);267int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,268 struct drm_file *file_private);269 270/* drm_framebuffer.c */271void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,272 const struct drm_framebuffer *fb);273void drm_framebuffer_debugfs_init(struct drm_device *dev);274 275#endif /* __DRM_INTERNAL_H__ */276