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 iosys_map; 37struct drm_connector; 38struct drm_crtc; 39struct drm_framebuffer; 40struct drm_gem_object; 41struct drm_master; 42struct drm_minor; 43struct drm_prime_file_private; 44struct drm_printer; 45struct drm_vblank_crtc; 46 47/* drm_file.c */ 48extern struct rwlock drm_global_mutex; 49bool drm_dev_needs_global_mutex(struct drm_device *dev); 50struct drm_file *drm_file_alloc(struct drm_minor *minor); 51void drm_file_free(struct drm_file *file); 52void drm_lastclose(struct drm_device *dev); 53 54#ifdef CONFIG_PCI 55 56/* drm_pci.c */ 57int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 58 59#else 60 61static inline int drm_pci_set_busid(struct drm_device *dev, 62 struct drm_master *master) 63{ 64 return -EINVAL; 65} 66 67#endif 68 69/* drm_prime.c */ 70int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 71 struct drm_file *file_priv); 72int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 73 struct drm_file *file_priv); 74 75void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 76void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 77void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, 78 uint32_t handle); 79 80/* drm_drv.c */ 81struct drm_minor *drm_minor_acquire(unsigned int minor_id); 82void drm_minor_release(struct drm_minor *minor); 83 84/* drm_managed.c */ 85void drm_managed_release(struct drm_device *dev); 86void drmm_add_final_kfree(struct drm_device *dev, void *container); 87 88/* drm_vblank.c */ 89static inline bool drm_vblank_passed(u64 seq, u64 ref) 90{ 91 return (seq - ref) <= (1 << 23); 92} 93 94void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 95int drm_vblank_get(struct drm_device *dev, unsigned int pipe); 96void drm_vblank_put(struct drm_device *dev, unsigned int pipe); 97u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe); 98 99/* drm_vblank_work.c */ 100static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank) 101{ 102 kthread_flush_worker(vblank->worker); 103} 104 105static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank) 106{ 107 if (vblank->worker) 108 kthread_destroy_worker(vblank->worker); 109} 110 111int drm_vblank_worker_init(struct drm_vblank_crtc *vblank); 112void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank); 113void drm_handle_vblank_works(struct drm_vblank_crtc *vblank); 114 115/* IOCTLS */ 116int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 117 struct drm_file *filp); 118int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data, 119 struct drm_file *file_priv); 120 121/* drm_irq.c */ 122 123/* IOCTLS */ 124#if IS_ENABLED(CONFIG_DRM_LEGACY) 125int drm_legacy_irq_control(struct drm_device *dev, void *data, 126 struct drm_file *file_priv); 127#endif 128 129int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 130 struct drm_file *filp); 131 132int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 133 struct drm_file *filp); 134 135/* drm_auth.c */ 136int drm_getmagic(struct drm_device *dev, void *data, 137 struct drm_file *file_priv); 138int drm_authmagic(struct drm_device *dev, void *data, 139 struct drm_file *file_priv); 140int drm_setmaster_ioctl(struct drm_device *dev, void *data, 141 struct drm_file *file_priv); 142int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 143 struct drm_file *file_priv); 144int drm_master_open(struct drm_file *file_priv); 145void drm_master_release(struct drm_file *file_priv); 146bool drm_master_internal_acquire(struct drm_device *dev); 147void drm_master_internal_release(struct drm_device *dev); 148 149/* drm_sysfs.c */ 150#ifdef __linux__ 151extern struct class *drm_class; 152 153int drm_sysfs_init(void); 154void drm_sysfs_destroy(void); 155struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 156int drm_sysfs_connector_add(struct drm_connector *connector); 157void drm_sysfs_connector_remove(struct drm_connector *connector); 158 159void drm_sysfs_lease_event(struct drm_device *dev); 160#else 161static inline struct device * 162drm_sysfs_minor_alloc(struct drm_minor *minor) 163{ 164 return ERR_PTR(-ENOSYS); 165} 166 167static inline int 168drm_sysfs_connector_add(struct drm_connector *connector) 169{ 170 return 0; 171} 172 173static inline void 174drm_sysfs_connector_remove(struct drm_connector *connector) 175{ 176} 177#endif 178 179/* drm_gem.c */ 180int drm_gem_init(struct drm_device *dev); 181int drm_gem_handle_create_tail(struct drm_file *file_priv, 182 struct drm_gem_object *obj, 183 u32 *handlep); 184int drm_gem_close_ioctl(struct drm_device *dev, void *data, 185 struct drm_file *file_priv); 186int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 187 struct drm_file *file_priv); 188int drm_gem_open_ioctl(struct drm_device *dev, void *data, 189 struct drm_file *file_priv); 190void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 191void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 192void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 193 const struct drm_gem_object *obj); 194 195int drm_gem_pin(struct drm_gem_object *obj); 196void drm_gem_unpin(struct drm_gem_object *obj); 197int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map); 198void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map); 199 200/* drm_debugfs.c drm_debugfs_crc.c */ 201#if defined(CONFIG_DEBUG_FS) 202int drm_debugfs_init(struct drm_minor *minor, int minor_id, 203 struct dentry *root); 204void drm_debugfs_cleanup(struct drm_minor *minor); 205void drm_debugfs_late_register(struct drm_device *dev); 206void drm_debugfs_connector_add(struct drm_connector *connector); 207void drm_debugfs_connector_remove(struct drm_connector *connector); 208void drm_debugfs_crtc_add(struct drm_crtc *crtc); 209void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 210void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 211#else 212static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, 213 struct dentry *root) 214{ 215 return 0; 216} 217 218static inline void drm_debugfs_cleanup(struct drm_minor *minor) 219{ 220} 221 222static inline void drm_debugfs_late_register(struct drm_device *dev) 223{ 224} 225 226static inline void drm_debugfs_connector_add(struct drm_connector *connector) 227{ 228} 229static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 230{ 231} 232 233static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 234{ 235} 236static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 237{ 238} 239 240static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 241{ 242} 243 244#endif 245 246drm_ioctl_t drm_version; 247drm_ioctl_t drm_getunique; 248drm_ioctl_t drm_getclient; 249 250/* drm_syncobj.c */ 251void drm_syncobj_open(struct drm_file *file_private); 252void drm_syncobj_release(struct drm_file *file_private); 253int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 254 struct drm_file *file_private); 255int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 256 struct drm_file *file_private); 257int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 258 struct drm_file *file_private); 259int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 260 struct drm_file *file_private); 261int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 262 struct drm_file *file_private); 263int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 264 struct drm_file *file_private); 265int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 266 struct drm_file *file_private); 267int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data, 268 struct drm_file *file_private); 269int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 270 struct drm_file *file_private); 271int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 272 struct drm_file *file_private); 273int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 274 struct drm_file *file_private); 275int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 276 struct drm_file *file_private); 277 278/* drm_framebuffer.c */ 279void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 280 const struct drm_framebuffer *fb); 281void drm_framebuffer_debugfs_init(struct drm_minor *minor); 282