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