drm_internal.h 9.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267
  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. #include <linux/kthread.h>
  24. #include <drm/drm_ioctl.h>
  25. #include <drm/drm_vblank.h>
  26. #define DRM_IF_MAJOR 1
  27. #define DRM_IF_MINOR 4
  28. #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
  29. struct dentry;
  30. struct dma_buf;
  31. struct drm_connector;
  32. struct drm_crtc;
  33. struct drm_framebuffer;
  34. struct drm_gem_object;
  35. struct drm_master;
  36. struct drm_minor;
  37. struct drm_prime_file_private;
  38. struct drm_printer;
  39. struct drm_vblank_crtc;
  40. /* drm_file.c */
  41. extern struct mutex drm_global_mutex;
  42. bool drm_dev_needs_global_mutex(struct drm_device *dev);
  43. struct drm_file *drm_file_alloc(struct drm_minor *minor);
  44. void drm_file_free(struct drm_file *file);
  45. void drm_lastclose(struct drm_device *dev);
  46. #ifdef CONFIG_PCI
  47. /* drm_pci.c */
  48. int drm_irq_by_busid(struct drm_device *dev, void *data,
  49. struct drm_file *file_priv);
  50. void drm_pci_agp_destroy(struct drm_device *dev);
  51. int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
  52. #else
  53. static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
  54. struct drm_file *file_priv)
  55. {
  56. return -EINVAL;
  57. }
  58. static inline void drm_pci_agp_destroy(struct drm_device *dev)
  59. {
  60. }
  61. static inline int drm_pci_set_busid(struct drm_device *dev,
  62. struct drm_master *master)
  63. {
  64. return -EINVAL;
  65. }
  66. #endif
  67. /* drm_prime.c */
  68. int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
  69. struct drm_file *file_priv);
  70. int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
  71. struct drm_file *file_priv);
  72. void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
  73. void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
  74. void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
  75. struct dma_buf *dma_buf);
  76. /* drm_drv.c */
  77. struct drm_minor *drm_minor_acquire(unsigned int minor_id);
  78. void drm_minor_release(struct drm_minor *minor);
  79. /* drm_managed.c */
  80. void drm_managed_release(struct drm_device *dev);
  81. void drmm_add_final_kfree(struct drm_device *dev, void *container);
  82. /* drm_vblank.c */
  83. static inline bool drm_vblank_passed(u64 seq, u64 ref)
  84. {
  85. return (seq - ref) <= (1 << 23);
  86. }
  87. void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
  88. int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
  89. void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
  90. u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
  91. /* drm_vblank_work.c */
  92. static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
  93. {
  94. kthread_flush_worker(vblank->worker);
  95. }
  96. static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
  97. {
  98. kthread_destroy_worker(vblank->worker);
  99. }
  100. int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
  101. void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
  102. void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
  103. /* IOCTLS */
  104. int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
  105. struct drm_file *filp);
  106. int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
  107. struct drm_file *file_priv);
  108. /* drm_irq.c */
  109. /* IOCTLS */
  110. #if IS_ENABLED(CONFIG_DRM_LEGACY)
  111. int drm_legacy_irq_control(struct drm_device *dev, void *data,
  112. struct drm_file *file_priv);
  113. #endif
  114. int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
  115. struct drm_file *filp);
  116. int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
  117. struct drm_file *filp);
  118. /* drm_auth.c */
  119. int drm_getmagic(struct drm_device *dev, void *data,
  120. struct drm_file *file_priv);
  121. int drm_authmagic(struct drm_device *dev, void *data,
  122. struct drm_file *file_priv);
  123. int drm_setmaster_ioctl(struct drm_device *dev, void *data,
  124. struct drm_file *file_priv);
  125. int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
  126. struct drm_file *file_priv);
  127. int drm_master_open(struct drm_file *file_priv);
  128. void drm_master_release(struct drm_file *file_priv);
  129. bool drm_master_internal_acquire(struct drm_device *dev);
  130. void drm_master_internal_release(struct drm_device *dev);
  131. /* drm_sysfs.c */
  132. extern struct class *drm_class;
  133. int drm_sysfs_init(void);
  134. void drm_sysfs_destroy(void);
  135. struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
  136. int drm_sysfs_connector_add(struct drm_connector *connector);
  137. void drm_sysfs_connector_remove(struct drm_connector *connector);
  138. void drm_sysfs_lease_event(struct drm_device *dev);
  139. /* drm_gem.c */
  140. struct drm_gem_object;
  141. int drm_gem_init(struct drm_device *dev);
  142. int drm_gem_handle_create_tail(struct drm_file *file_priv,
  143. struct drm_gem_object *obj,
  144. u32 *handlep);
  145. int drm_gem_close_ioctl(struct drm_device *dev, void *data,
  146. struct drm_file *file_priv);
  147. int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
  148. struct drm_file *file_priv);
  149. int drm_gem_open_ioctl(struct drm_device *dev, void *data,
  150. struct drm_file *file_priv);
  151. void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
  152. void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
  153. void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
  154. const struct drm_gem_object *obj);
  155. int drm_gem_pin(struct drm_gem_object *obj);
  156. void drm_gem_unpin(struct drm_gem_object *obj);
  157. void *drm_gem_vmap(struct drm_gem_object *obj);
  158. void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
  159. /* drm_debugfs.c drm_debugfs_crc.c */
  160. #if defined(CONFIG_DEBUG_FS)
  161. int drm_debugfs_init(struct drm_minor *minor, int minor_id,
  162. struct dentry *root);
  163. void drm_debugfs_cleanup(struct drm_minor *minor);
  164. void drm_debugfs_connector_add(struct drm_connector *connector);
  165. void drm_debugfs_connector_remove(struct drm_connector *connector);
  166. void drm_debugfs_crtc_add(struct drm_crtc *crtc);
  167. void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
  168. void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
  169. #else
  170. static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
  171. struct dentry *root)
  172. {
  173. return 0;
  174. }
  175. static inline void drm_debugfs_cleanup(struct drm_minor *minor)
  176. {
  177. }
  178. static inline void drm_debugfs_connector_add(struct drm_connector *connector)
  179. {
  180. }
  181. static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
  182. {
  183. }
  184. static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
  185. {
  186. }
  187. static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
  188. {
  189. }
  190. static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
  191. {
  192. }
  193. #endif
  194. drm_ioctl_t drm_version;
  195. drm_ioctl_t drm_getunique;
  196. drm_ioctl_t drm_getclient;
  197. /* drm_syncobj.c */
  198. void drm_syncobj_open(struct drm_file *file_private);
  199. void drm_syncobj_release(struct drm_file *file_private);
  200. int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
  201. struct drm_file *file_private);
  202. int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
  203. struct drm_file *file_private);
  204. int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
  205. struct drm_file *file_private);
  206. int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
  207. struct drm_file *file_private);
  208. int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
  209. struct drm_file *file_private);
  210. int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
  211. struct drm_file *file_private);
  212. int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
  213. struct drm_file *file_private);
  214. int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
  215. struct drm_file *file_private);
  216. int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
  217. struct drm_file *file_private);
  218. int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
  219. struct drm_file *file_private);
  220. int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
  221. struct drm_file *file_private);
  222. /* drm_framebuffer.c */
  223. void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
  224. const struct drm_framebuffer *fb);
  225. void drm_framebuffer_debugfs_init(struct drm_minor *minor);