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 #include <linux/types.h> 26 27 #include <drm/drm_ioctl.h> 28 #include <drm/drm_vblank.h> 29 30 #define DRM_IF_MAJOR 1 31 #define DRM_IF_MINOR 4 32 33 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 34 35 struct cea_sad; 36 struct dentry; 37 struct dma_buf; 38 struct iosys_map; 39 struct drm_connector; 40 struct drm_crtc; 41 struct drm_framebuffer; 42 struct drm_gem_object; 43 struct drm_master; 44 struct drm_minor; 45 struct drm_prime_file_private; 46 struct drm_printer; 47 struct drm_vblank_crtc; 48 49 /* drm_file.c */ 50 extern struct mutex drm_global_mutex; 51 bool drm_dev_needs_global_mutex(struct drm_device *dev); 52 struct drm_file *drm_file_alloc(struct drm_minor *minor); 53 void drm_file_free(struct drm_file *file); 54 void drm_lastclose(struct drm_device *dev); 55 56 #ifdef CONFIG_PCI 57 58 /* drm_pci.c */ 59 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 60 61 #else 62 63 static inline int drm_pci_set_busid(struct drm_device *dev, 64 struct drm_master *master) 65 { 66 return -EINVAL; 67 } 68 69 #endif 70 71 /* drm_prime.c */ 72 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 73 struct drm_file *file_priv); 74 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 75 struct drm_file *file_priv); 76 77 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 78 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 79 void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, 80 uint32_t handle); 81 82 /* drm_drv.c */ 83 struct drm_minor *drm_minor_acquire(unsigned int minor_id); 84 void drm_minor_release(struct drm_minor *minor); 85 86 /* drm_managed.c */ 87 void drm_managed_release(struct drm_device *dev); 88 void drmm_add_final_kfree(struct drm_device *dev, void *container); 89 90 /* drm_vblank.c */ 91 static inline bool drm_vblank_passed(u64 seq, u64 ref) 92 { 93 return (seq - ref) <= (1 << 23); 94 } 95 96 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 97 int drm_vblank_get(struct drm_device *dev, unsigned int pipe); 98 void drm_vblank_put(struct drm_device *dev, unsigned int pipe); 99 u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe); 100 101 /* drm_vblank_work.c */ 102 static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank) 103 { 104 kthread_flush_worker(vblank->worker); 105 } 106 107 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank) 108 { 109 if (vblank->worker) 110 kthread_destroy_worker(vblank->worker); 111 } 112 113 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank); 114 void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank); 115 void drm_handle_vblank_works(struct drm_vblank_crtc *vblank); 116 117 /* IOCTLS */ 118 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 119 struct drm_file *filp); 120 121 /* drm_irq.c */ 122 123 /* IOCTLS */ 124 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 125 struct drm_file *filp); 126 127 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 128 struct drm_file *filp); 129 130 /* drm_auth.c */ 131 int drm_getmagic(struct drm_device *dev, void *data, 132 struct drm_file *file_priv); 133 int drm_authmagic(struct drm_device *dev, void *data, 134 struct drm_file *file_priv); 135 int drm_setmaster_ioctl(struct drm_device *dev, void *data, 136 struct drm_file *file_priv); 137 int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 138 struct drm_file *file_priv); 139 int drm_master_open(struct drm_file *file_priv); 140 void drm_master_release(struct drm_file *file_priv); 141 bool drm_master_internal_acquire(struct drm_device *dev); 142 void drm_master_internal_release(struct drm_device *dev); 143 144 /* drm_sysfs.c */ 145 extern struct class *drm_class; 146 147 int drm_sysfs_init(void); 148 void drm_sysfs_destroy(void); 149 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 150 int drm_sysfs_connector_add(struct drm_connector *connector); 151 int drm_sysfs_connector_add_late(struct drm_connector *connector); 152 void drm_sysfs_connector_remove_early(struct drm_connector *connector); 153 void drm_sysfs_connector_remove(struct drm_connector *connector); 154 155 void drm_sysfs_lease_event(struct drm_device *dev); 156 157 /* drm_gem.c */ 158 int drm_gem_init(struct drm_device *dev); 159 int drm_gem_handle_create_tail(struct drm_file *file_priv, 160 struct drm_gem_object *obj, 161 u32 *handlep); 162 int drm_gem_close_ioctl(struct drm_device *dev, void *data, 163 struct drm_file *file_priv); 164 int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 165 struct drm_file *file_priv); 166 int drm_gem_open_ioctl(struct drm_device *dev, void *data, 167 struct drm_file *file_priv); 168 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 169 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 170 void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 171 const struct drm_gem_object *obj); 172 173 int drm_gem_pin(struct drm_gem_object *obj); 174 void drm_gem_unpin(struct drm_gem_object *obj); 175 int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map); 176 void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map); 177 178 /* drm_debugfs.c drm_debugfs_crc.c */ 179 #if defined(CONFIG_DEBUG_FS) 180 void drm_debugfs_dev_fini(struct drm_device *dev); 181 void drm_debugfs_dev_register(struct drm_device *dev); 182 int drm_debugfs_register(struct drm_minor *minor, int minor_id, 183 struct dentry *root); 184 void drm_debugfs_unregister(struct drm_minor *minor); 185 void drm_debugfs_connector_add(struct drm_connector *connector); 186 void drm_debugfs_connector_remove(struct drm_connector *connector); 187 void drm_debugfs_crtc_add(struct drm_crtc *crtc); 188 void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 189 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 190 void drm_debugfs_encoder_add(struct drm_encoder *encoder); 191 void drm_debugfs_encoder_remove(struct drm_encoder *encoder); 192 #else 193 static inline void drm_debugfs_dev_fini(struct drm_device *dev) 194 { 195 } 196 197 static inline void drm_debugfs_dev_register(struct drm_device *dev) 198 { 199 } 200 201 static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id, 202 struct dentry *root) 203 { 204 return 0; 205 } 206 207 static inline void drm_debugfs_unregister(struct drm_minor *minor) 208 { 209 } 210 211 static inline void drm_debugfs_connector_add(struct drm_connector *connector) 212 { 213 } 214 static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 215 { 216 } 217 218 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 219 { 220 } 221 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 222 { 223 } 224 225 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 226 { 227 } 228 229 static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder) 230 { 231 } 232 233 static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder) 234 { 235 } 236 237 #endif 238 239 drm_ioctl_t drm_version; 240 drm_ioctl_t drm_getunique; 241 drm_ioctl_t drm_getclient; 242 243 /* drm_syncobj.c */ 244 void drm_syncobj_open(struct drm_file *file_private); 245 void drm_syncobj_release(struct drm_file *file_private); 246 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 247 struct drm_file *file_private); 248 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 249 struct drm_file *file_private); 250 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 251 struct drm_file *file_private); 252 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 253 struct drm_file *file_private); 254 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 255 struct drm_file *file_private); 256 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 257 struct drm_file *file_private); 258 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 259 struct drm_file *file_private); 260 int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data, 261 struct drm_file *file_private); 262 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 263 struct drm_file *file_private); 264 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 265 struct drm_file *file_private); 266 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 267 struct drm_file *file_private); 268 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 269 struct drm_file *file_private); 270 271 /* drm_framebuffer.c */ 272 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 273 const struct drm_framebuffer *fb); 274 void drm_framebuffer_debugfs_init(struct drm_device *dev); 275 276 /* drm_edid.c */ 277 void drm_edid_cta_sad_get(const struct cea_sad *cta_sad, u8 *sad); 278 void drm_edid_cta_sad_set(struct cea_sad *cta_sad, const u8 *sad); 279