/* * Copyright © 2014 Intel Corporation * Daniel Vetter * * 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 #include #include #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; struct drm_vblank_crtc; /* 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 */ 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); #else 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 /* 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_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) { 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); 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); 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); void drm_framebuffer_debugfs_init(struct drm_minor *minor);