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