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