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#include <linux/kthread.h> 25 26#include <drm/drm_ioctl.h> 27#include <drm/drm_vblank.h> 28 29#define DRM_IF_MAJOR 1 30#define DRM_IF_MINOR 4 31 32#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 33 34struct dentry; 35struct dma_buf; 36struct drm_connector; 37struct drm_crtc; 38struct drm_framebuffer; 39struct drm_gem_object; 40struct drm_master; 41struct drm_minor; 42struct drm_prime_file_private; 43struct drm_printer; 44struct drm_vblank_crtc; 45 46/* drm_file.c */ 47extern struct mutex drm_global_mutex; 48bool drm_dev_needs_global_mutex(struct drm_device *dev); 49struct drm_file *drm_file_alloc(struct drm_minor *minor); 50void drm_file_free(struct drm_file *file); 51void drm_lastclose(struct drm_device *dev); 52 53#ifdef CONFIG_PCI 54 55/* drm_pci.c */ 56int drm_irq_by_busid(struct drm_device *dev, void *data, 57 struct drm_file *file_priv); 58void drm_pci_agp_destroy(struct drm_device *dev); 59int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 60 61#else 62 63static inline int drm_irq_by_busid(struct drm_device *dev, void *data, 64 struct drm_file *file_priv) 65{ 66 return -EINVAL; 67} 68 69static inline void drm_pci_agp_destroy(struct drm_device *dev) 70{ 71} 72 73static inline int drm_pci_set_busid(struct drm_device *dev, 74 struct drm_master *master) 75{ 76 return -EINVAL; 77} 78 79#endif 80 81/* drm_prime.c */ 82int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 83 struct drm_file *file_priv); 84int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 85 struct drm_file *file_priv); 86 87void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 88void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 89void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, 90 uint32_t handle); 91 92/* drm_drv.c */ 93struct drm_minor *drm_minor_acquire(unsigned int minor_id); 94void drm_minor_release(struct drm_minor *minor); 95 96/* drm_managed.c */ 97void drm_managed_release(struct drm_device *dev); 98void drmm_add_final_kfree(struct drm_device *dev, void *container); 99 100/* drm_vblank.c */ 101static inline bool drm_vblank_passed(u64 seq, u64 ref) 102{ 103 return (seq - ref) <= (1 << 23); 104} 105 106void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 107int drm_vblank_get(struct drm_device *dev, unsigned int pipe); 108void drm_vblank_put(struct drm_device *dev, unsigned int pipe); 109u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe); 110 111/* drm_vblank_work.c */ 112static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank) 113{ 114 kthread_flush_worker(vblank->worker); 115} 116 117static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank) 118{ 119 if (vblank->worker) 120 kthread_destroy_worker(vblank->worker); 121} 122 123int drm_vblank_worker_init(struct drm_vblank_crtc *vblank); 124void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank); 125void drm_handle_vblank_works(struct drm_vblank_crtc *vblank); 126 127/* IOCTLS */ 128int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 129 struct drm_file *filp); 130int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data, 131 struct drm_file *file_priv); 132 133/* drm_irq.c */ 134 135/* IOCTLS */ 136#if IS_ENABLED(CONFIG_DRM_LEGACY) 137int drm_legacy_irq_control(struct drm_device *dev, void *data, 138 struct drm_file *file_priv); 139#endif 140 141int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 142 struct drm_file *filp); 143 144int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 145 struct drm_file *filp); 146 147/* drm_auth.c */ 148int drm_getmagic(struct drm_device *dev, void *data, 149 struct drm_file *file_priv); 150int drm_authmagic(struct drm_device *dev, void *data, 151 struct drm_file *file_priv); 152int drm_setmaster_ioctl(struct drm_device *dev, void *data, 153 struct drm_file *file_priv); 154int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 155 struct drm_file *file_priv); 156int drm_master_open(struct drm_file *file_priv); 157void drm_master_release(struct drm_file *file_priv); 158bool drm_master_internal_acquire(struct drm_device *dev); 159void drm_master_internal_release(struct drm_device *dev); 160 161/* drm_sysfs.c */ 162extern struct class *drm_class; 163 164int drm_sysfs_init(void); 165void drm_sysfs_destroy(void); 166struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 167int drm_sysfs_connector_add(struct drm_connector *connector); 168void drm_sysfs_connector_remove(struct drm_connector *connector); 169 170void drm_sysfs_lease_event(struct drm_device *dev); 171 172/* drm_gem.c */ 173struct drm_gem_object; 174int drm_gem_init(struct drm_device *dev); 175int drm_gem_handle_create_tail(struct drm_file *file_priv, 176 struct drm_gem_object *obj, 177 u32 *handlep); 178int drm_gem_close_ioctl(struct drm_device *dev, void *data, 179 struct drm_file *file_priv); 180int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 181 struct drm_file *file_priv); 182int drm_gem_open_ioctl(struct drm_device *dev, void *data, 183 struct drm_file *file_priv); 184void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 185void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 186void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 187 const struct drm_gem_object *obj); 188 189int drm_gem_pin(struct drm_gem_object *obj); 190void drm_gem_unpin(struct drm_gem_object *obj); 191void *drm_gem_vmap(struct drm_gem_object *obj); 192void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr); 193 194/* drm_debugfs.c drm_debugfs_crc.c */ 195#if defined(CONFIG_DEBUG_FS) 196int drm_debugfs_init(struct drm_minor *minor, int minor_id, 197 struct dentry *root); 198void drm_debugfs_cleanup(struct drm_minor *minor); 199void drm_debugfs_connector_add(struct drm_connector *connector); 200void drm_debugfs_connector_remove(struct drm_connector *connector); 201void drm_debugfs_crtc_add(struct drm_crtc *crtc); 202void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 203void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 204#else 205static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, 206 struct dentry *root) 207{ 208 return 0; 209} 210 211static inline void drm_debugfs_cleanup(struct drm_minor *minor) 212{ 213} 214 215static inline void drm_debugfs_connector_add(struct drm_connector *connector) 216{ 217} 218static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 219{ 220} 221 222static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 223{ 224} 225static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 226{ 227} 228 229static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 230{ 231} 232 233#endif 234 235drm_ioctl_t drm_version; 236drm_ioctl_t drm_getunique; 237drm_ioctl_t drm_getclient; 238 239/* drm_syncobj.c */ 240void drm_syncobj_open(struct drm_file *file_private); 241void drm_syncobj_release(struct drm_file *file_private); 242int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 243 struct drm_file *file_private); 244int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 245 struct drm_file *file_private); 246int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 247 struct drm_file *file_private); 248int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 249 struct drm_file *file_private); 250int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 251 struct drm_file *file_private); 252int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 253 struct drm_file *file_private); 254int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 255 struct drm_file *file_private); 256int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 257 struct drm_file *file_private); 258int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 259 struct drm_file *file_private); 260int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 261 struct drm_file *file_private); 262int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 263 struct drm_file *file_private); 264 265/* drm_framebuffer.c */ 266void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 267 const struct drm_framebuffer *fb); 268void drm_framebuffer_debugfs_init(struct drm_minor *minor); 269