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 #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 1 34 #define DRM_IF_MINOR 4 35 36 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 37 38 struct dentry; 39 struct dma_buf; 40 struct iosys_map; 41 struct drm_connector; 42 struct drm_crtc; 43 struct drm_framebuffer; 44 struct drm_gem_object; 45 struct drm_master; 46 struct drm_minor; 47 struct drm_prime_file_private; 48 struct drm_printer; 49 struct drm_vblank_crtc; 50 51 /* drm_client_event.c */ 52 #if defined(CONFIG_DRM_CLIENT) 53 void drm_client_debugfs_init(struct drm_device *dev); 54 #else 55 static inline void drm_client_debugfs_init(struct drm_device *dev) 56 { } 57 #endif 58 59 /* drm_client_sysrq.c */ 60 #if defined(CONFIG_DRM_CLIENT) && defined(CONFIG_MAGIC_SYSRQ) 61 void drm_client_sysrq_register(struct drm_device *dev); 62 void drm_client_sysrq_unregister(struct drm_device *dev); 63 #else 64 static inline void drm_client_sysrq_register(struct drm_device *dev) 65 { } 66 static inline void drm_client_sysrq_unregister(struct drm_device *dev) 67 { } 68 #endif 69 70 /* drm_file.c */ 71 extern struct mutex drm_global_mutex; 72 bool drm_dev_needs_global_mutex(struct drm_device *dev); 73 struct drm_file *drm_file_alloc(struct drm_minor *minor); 74 void drm_file_free(struct drm_file *file); 75 76 #ifdef CONFIG_PCI 77 78 /* drm_pci.c */ 79 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 80 81 #else 82 83 static inline int drm_pci_set_busid(struct drm_device *dev, 84 struct drm_master *master) 85 { 86 return -EINVAL; 87 } 88 89 #endif 90 91 /* drm_prime.c */ 92 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 93 struct drm_file *file_priv); 94 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 95 struct drm_file *file_priv); 96 97 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 98 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 99 int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, 100 struct dma_buf *dma_buf, uint32_t handle); 101 void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, 102 uint32_t handle); 103 104 /* drm_managed.c */ 105 void drm_managed_release(struct drm_device *dev); 106 void drmm_add_final_kfree(struct drm_device *dev, void *container); 107 108 /* drm_vblank.c */ 109 static inline bool drm_vblank_passed(u64 seq, u64 ref) 110 { 111 return (seq - ref) <= (1 << 23); 112 } 113 114 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 115 int drm_vblank_get(struct drm_device *dev, unsigned int pipe); 116 void drm_vblank_put(struct drm_device *dev, unsigned int pipe); 117 u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe); 118 119 /* drm_vblank_work.c */ 120 static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank) 121 { 122 kthread_flush_worker(vblank->worker); 123 } 124 125 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank) 126 { 127 if (vblank->worker) 128 kthread_destroy_worker(vblank->worker); 129 } 130 131 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank); 132 void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank); 133 void drm_handle_vblank_works(struct drm_vblank_crtc *vblank); 134 135 /* IOCTLS */ 136 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 137 struct drm_file *filp); 138 139 /* drm_irq.c */ 140 141 /* IOCTLS */ 142 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 143 struct drm_file *filp); 144 145 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 146 struct drm_file *filp); 147 148 /* drm_auth.c */ 149 int drm_getmagic(struct drm_device *dev, void *data, 150 struct drm_file *file_priv); 151 int drm_authmagic(struct drm_device *dev, void *data, 152 struct drm_file *file_priv); 153 int drm_setmaster_ioctl(struct drm_device *dev, void *data, 154 struct drm_file *file_priv); 155 int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 156 struct drm_file *file_priv); 157 int drm_master_open(struct drm_file *file_priv); 158 void drm_master_release(struct drm_file *file_priv); 159 bool drm_master_internal_acquire(struct drm_device *dev); 160 void drm_master_internal_release(struct drm_device *dev); 161 162 /* drm_sysfs.c */ 163 extern struct class *drm_class; 164 165 int drm_sysfs_init(void); 166 void drm_sysfs_destroy(void); 167 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 168 int drm_sysfs_connector_add(struct drm_connector *connector); 169 int drm_sysfs_connector_add_late(struct drm_connector *connector); 170 void drm_sysfs_connector_remove_early(struct drm_connector *connector); 171 void drm_sysfs_connector_remove(struct drm_connector *connector); 172 173 void drm_sysfs_lease_event(struct drm_device *dev); 174 175 /* drm_gem.c */ 176 int drm_gem_init(struct drm_device *dev); 177 bool drm_gem_object_handle_get_if_exists_unlocked(struct drm_gem_object *obj); 178 void drm_gem_object_handle_put_unlocked(struct drm_gem_object *obj); 179 int drm_gem_handle_create_tail(struct drm_file *file_priv, 180 struct drm_gem_object *obj, 181 u32 *handlep); 182 int drm_gem_close_ioctl(struct drm_device *dev, void *data, 183 struct drm_file *file_priv); 184 int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 185 struct drm_file *file_priv); 186 int drm_gem_change_handle_ioctl(struct drm_device *dev, void *data, 187 struct drm_file *file_priv); 188 int drm_gem_open_ioctl(struct drm_device *dev, void *data, 189 struct drm_file *file_priv); 190 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 191 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 192 void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 193 const struct drm_gem_object *obj); 194 195 int drm_gem_vmap_locked(struct drm_gem_object *obj, struct iosys_map *map); 196 void drm_gem_vunmap_locked(struct drm_gem_object *obj, struct iosys_map *map); 197 198 /* drm_debugfs.c drm_debugfs_crc.c */ 199 #if defined(CONFIG_DEBUG_FS) 200 void drm_debugfs_dev_fini(struct drm_device *dev); 201 void drm_debugfs_dev_register(struct drm_device *dev); 202 int drm_debugfs_register(struct drm_minor *minor, int minor_id); 203 void drm_debugfs_unregister(struct drm_minor *minor); 204 void drm_debugfs_connector_add(struct drm_connector *connector); 205 void drm_debugfs_connector_remove(struct drm_connector *connector); 206 void drm_debugfs_crtc_add(struct drm_crtc *crtc); 207 void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 208 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 209 void drm_debugfs_encoder_add(struct drm_encoder *encoder); 210 void drm_debugfs_encoder_remove(struct drm_encoder *encoder); 211 #else 212 static inline void drm_debugfs_dev_fini(struct drm_device *dev) 213 { 214 } 215 216 static inline void drm_debugfs_dev_register(struct drm_device *dev) 217 { 218 } 219 220 static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id) 221 { 222 return 0; 223 } 224 225 static inline void drm_debugfs_unregister(struct drm_minor *minor) 226 { 227 } 228 229 static inline void drm_debugfs_connector_add(struct drm_connector *connector) 230 { 231 } 232 static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 233 { 234 } 235 236 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 237 { 238 } 239 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 240 { 241 } 242 243 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 244 { 245 } 246 247 static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder) 248 { 249 } 250 251 static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder) 252 { 253 } 254 255 #endif 256 257 drm_ioctl_t drm_version; 258 drm_ioctl_t drm_getunique; 259 drm_ioctl_t drm_getclient; 260 261 /* drm_syncobj.c */ 262 void drm_syncobj_open(struct drm_file *file_private); 263 void drm_syncobj_release(struct drm_file *file_private); 264 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 265 struct drm_file *file_private); 266 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 267 struct drm_file *file_private); 268 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 269 struct drm_file *file_private); 270 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 271 struct drm_file *file_private); 272 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 273 struct drm_file *file_private); 274 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 275 struct drm_file *file_private); 276 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 277 struct drm_file *file_private); 278 int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data, 279 struct drm_file *file_private); 280 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 281 struct drm_file *file_private); 282 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 283 struct drm_file *file_private); 284 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 285 struct drm_file *file_private); 286 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 287 struct drm_file *file_private); 288 289 /* drm_framebuffer.c */ 290 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 291 const struct drm_framebuffer *fb); 292 void drm_framebuffer_debugfs_init(struct drm_device *dev); 293 294 #endif /* __DRM_INTERNAL_H__ */ 295