1 /* 2 * Copyright © 2014 Intel Corporation 3 * Daniel Vetter <[email protected]> 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 cea_sad; 39 struct dentry; 40 struct dma_buf; 41 struct iosys_map; 42 struct drm_connector; 43 struct drm_crtc; 44 struct drm_framebuffer; 45 struct drm_gem_object; 46 struct drm_master; 47 struct drm_minor; 48 struct drm_prime_file_private; 49 struct drm_printer; 50 struct drm_vblank_crtc; 51 52 /* drm_file.c */ 53 extern struct mutex drm_global_mutex; 54 bool drm_dev_needs_global_mutex(struct drm_device *dev); 55 struct drm_file *drm_file_alloc(struct drm_minor *minor); 56 void drm_file_free(struct drm_file *file); 57 void drm_lastclose(struct drm_device *dev); 58 59 #ifdef CONFIG_PCI 60 61 /* drm_pci.c */ 62 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 63 64 #else 65 66 static inline int drm_pci_set_busid(struct drm_device *dev, 67 struct drm_master *master) 68 { 69 return -EINVAL; 70 } 71 72 #endif 73 74 /* drm_prime.c */ 75 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 76 struct drm_file *file_priv); 77 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 78 struct drm_file *file_priv); 79 80 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 81 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 82 void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, 83 uint32_t handle); 84 85 /* drm_drv.c */ 86 struct drm_minor *drm_minor_acquire(unsigned int minor_id); 87 void drm_minor_release(struct drm_minor *minor); 88 89 /* drm_managed.c */ 90 void drm_managed_release(struct drm_device *dev); 91 void drmm_add_final_kfree(struct drm_device *dev, void *container); 92 93 /* drm_vblank.c */ 94 static inline bool drm_vblank_passed(u64 seq, u64 ref) 95 { 96 return (seq - ref) <= (1 << 23); 97 } 98 99 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 100 int drm_vblank_get(struct drm_device *dev, unsigned int pipe); 101 void drm_vblank_put(struct drm_device *dev, unsigned int pipe); 102 u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe); 103 104 /* drm_vblank_work.c */ 105 static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank) 106 { 107 kthread_flush_worker(vblank->worker); 108 } 109 110 static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank) 111 { 112 if (vblank->worker) 113 kthread_destroy_worker(vblank->worker); 114 } 115 116 int drm_vblank_worker_init(struct drm_vblank_crtc *vblank); 117 void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank); 118 void drm_handle_vblank_works(struct drm_vblank_crtc *vblank); 119 120 /* IOCTLS */ 121 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 122 struct drm_file *filp); 123 124 /* drm_irq.c */ 125 126 /* IOCTLS */ 127 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 128 struct drm_file *filp); 129 130 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 131 struct drm_file *filp); 132 133 /* drm_auth.c */ 134 int drm_getmagic(struct drm_device *dev, void *data, 135 struct drm_file *file_priv); 136 int drm_authmagic(struct drm_device *dev, void *data, 137 struct drm_file *file_priv); 138 int drm_setmaster_ioctl(struct drm_device *dev, void *data, 139 struct drm_file *file_priv); 140 int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 141 struct drm_file *file_priv); 142 int drm_master_open(struct drm_file *file_priv); 143 void drm_master_release(struct drm_file *file_priv); 144 bool drm_master_internal_acquire(struct drm_device *dev); 145 void drm_master_internal_release(struct drm_device *dev); 146 147 /* drm_sysfs.c */ 148 extern struct class *drm_class; 149 150 int drm_sysfs_init(void); 151 void drm_sysfs_destroy(void); 152 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 153 int drm_sysfs_connector_add(struct drm_connector *connector); 154 int drm_sysfs_connector_add_late(struct drm_connector *connector); 155 void drm_sysfs_connector_remove_early(struct drm_connector *connector); 156 void drm_sysfs_connector_remove(struct drm_connector *connector); 157 158 void drm_sysfs_lease_event(struct drm_device *dev); 159 160 /* drm_gem.c */ 161 int drm_gem_init(struct drm_device *dev); 162 int drm_gem_handle_create_tail(struct drm_file *file_priv, 163 struct drm_gem_object *obj, 164 u32 *handlep); 165 int drm_gem_close_ioctl(struct drm_device *dev, void *data, 166 struct drm_file *file_priv); 167 int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 168 struct drm_file *file_priv); 169 int drm_gem_open_ioctl(struct drm_device *dev, void *data, 170 struct drm_file *file_priv); 171 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 172 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 173 void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 174 const struct drm_gem_object *obj); 175 176 int drm_gem_pin(struct drm_gem_object *obj); 177 void drm_gem_unpin(struct drm_gem_object *obj); 178 int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map); 179 void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map); 180 181 /* drm_debugfs.c drm_debugfs_crc.c */ 182 #if defined(CONFIG_DEBUG_FS) 183 void drm_debugfs_dev_fini(struct drm_device *dev); 184 void drm_debugfs_dev_register(struct drm_device *dev); 185 int drm_debugfs_register(struct drm_minor *minor, int minor_id, 186 struct dentry *root); 187 void drm_debugfs_unregister(struct drm_minor *minor); 188 void drm_debugfs_connector_add(struct drm_connector *connector); 189 void drm_debugfs_connector_remove(struct drm_connector *connector); 190 void drm_debugfs_crtc_add(struct drm_crtc *crtc); 191 void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 192 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 193 void drm_debugfs_encoder_add(struct drm_encoder *encoder); 194 void drm_debugfs_encoder_remove(struct drm_encoder *encoder); 195 #else 196 static inline void drm_debugfs_dev_fini(struct drm_device *dev) 197 { 198 } 199 200 static inline void drm_debugfs_dev_register(struct drm_device *dev) 201 { 202 } 203 204 static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id, 205 struct dentry *root) 206 { 207 return 0; 208 } 209 210 static inline void drm_debugfs_unregister(struct drm_minor *minor) 211 { 212 } 213 214 static inline void drm_debugfs_connector_add(struct drm_connector *connector) 215 { 216 } 217 static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 218 { 219 } 220 221 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 222 { 223 } 224 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 225 { 226 } 227 228 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 229 { 230 } 231 232 static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder) 233 { 234 } 235 236 static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder) 237 { 238 } 239 240 #endif 241 242 drm_ioctl_t drm_version; 243 drm_ioctl_t drm_getunique; 244 drm_ioctl_t drm_getclient; 245 246 /* drm_syncobj.c */ 247 void drm_syncobj_open(struct drm_file *file_private); 248 void drm_syncobj_release(struct drm_file *file_private); 249 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 250 struct drm_file *file_private); 251 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 252 struct drm_file *file_private); 253 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 254 struct drm_file *file_private); 255 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 256 struct drm_file *file_private); 257 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 258 struct drm_file *file_private); 259 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 260 struct drm_file *file_private); 261 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 262 struct drm_file *file_private); 263 int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data, 264 struct drm_file *file_private); 265 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 266 struct drm_file *file_private); 267 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 268 struct drm_file *file_private); 269 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 270 struct drm_file *file_private); 271 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 272 struct drm_file *file_private); 273 274 /* drm_framebuffer.c */ 275 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 276 const struct drm_framebuffer *fb); 277 void drm_framebuffer_debugfs_init(struct drm_device *dev); 278 279 /* drm_edid.c */ 280 void drm_edid_cta_sad_get(const struct cea_sad *cta_sad, u8 *sad); 281 void drm_edid_cta_sad_set(struct cea_sad *cta_sad, const u8 *sad); 282 283 #endif /* __DRM_INTERNAL_H__ */ 284