drivers/gpu/drm/drm_internal.h

   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 <drm/drm_ioctl.h>
  25
  26 #define DRM_IF_MAJOR 1
  27 #define DRM_IF_MINOR 4
  28
  29 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
  30
  31 struct dentry;
  32 struct dma_buf;
  33 struct drm_connector;
  34 struct drm_crtc;
  35 struct drm_framebuffer;
  36 struct drm_gem_object;
  37 struct drm_master;
  38 struct drm_minor;
  39 struct drm_prime_file_private;
  40 struct drm_printer;
  41
  42 /* drm_file.c */
  43 extern struct mutex drm_global_mutex;
  44 bool drm_dev_needs_global_mutex(struct drm_device *dev);
  45 struct drm_file *drm_file_alloc(struct drm_minor *minor);
  46 void drm_file_free(struct drm_file *file);
  47 void drm_lastclose(struct drm_device *dev);
  48
  49 #ifdef CONFIG_PCI
  50
  51 /* drm_pci.c */
  52 int drm_irq_by_busid(struct drm_device *dev, void *data,
  53                      struct drm_file *file_priv);
  54 void drm_pci_agp_destroy(struct drm_device *dev);
  55 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
  56
  57 #else
  58
  59 static inline int drm_irq_by_busid(struct drm_device *dev, void *data,
  60                                    struct drm_file *file_priv)
  61 {
  62         return -EINVAL;
  63 }
  64
  65 static inline void drm_pci_agp_destroy(struct drm_device *dev)
  66 {
  67 }
  68
  69 static inline int drm_pci_set_busid(struct drm_device *dev,
  70                                     struct drm_master *master)
  71 {
  72         return -EINVAL;
  73 }
  74
  75 #endif
  76
  77 /* drm_prime.c */
  78 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
  79                                  struct drm_file *file_priv);
  80 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
  81                                  struct drm_file *file_priv);
  82
  83 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
  84 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
  85 void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
  86                                         struct dma_buf *dma_buf);
  87
  88 /* drm_drv.c */
  89 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
  90 void drm_minor_release(struct drm_minor *minor);
  91
  92 /* drm_managed.c */
  93 void drm_managed_release(struct drm_device *dev);
  94
  95 /* drm_vblank.c */
  96 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
  97 void drm_vblank_cleanup(struct drm_device *dev);
  98
  99 /* IOCTLS */
 100 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
 101                           struct drm_file *filp);
 102 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
 103                                  struct drm_file *file_priv);
 104
 105 /* drm_irq.c */
 106
 107 /* IOCTLS */
 108 #if IS_ENABLED(CONFIG_DRM_LEGACY)
 109 int drm_legacy_irq_control(struct drm_device *dev, void *data,
 110                            struct drm_file *file_priv);
 111 #endif
 112
 113 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
 114                                 struct drm_file *filp);
 115
 116 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
 117                                   struct drm_file *filp);
 118
 119 /* drm_auth.c */
 120 int drm_getmagic(struct drm_device *dev, void *data,
 121                  struct drm_file *file_priv);
 122 int drm_authmagic(struct drm_device *dev, void *data,
 123                   struct drm_file *file_priv);
 124 int drm_setmaster_ioctl(struct drm_device *dev, void *data,
 125                         struct drm_file *file_priv);
 126 int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
 127                          struct drm_file *file_priv);
 128 int drm_master_open(struct drm_file *file_priv);
 129 void drm_master_release(struct drm_file *file_priv);
 130 bool drm_master_internal_acquire(struct drm_device *dev);
 131 void drm_master_internal_release(struct drm_device *dev);
 132
 133 /* drm_sysfs.c */
 134 extern struct class *drm_class;
 135
 136 int drm_sysfs_init(void);
 137 void drm_sysfs_destroy(void);
 138 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
 139 int drm_sysfs_connector_add(struct drm_connector *connector);
 140 void drm_sysfs_connector_remove(struct drm_connector *connector);
 141
 142 void drm_sysfs_lease_event(struct drm_device *dev);
 143
 144 /* drm_gem.c */
 145 struct drm_gem_object;
 146 int drm_gem_init(struct drm_device *dev);
 147 void drm_gem_destroy(struct drm_device *dev);
 148 int drm_gem_handle_create_tail(struct drm_file *file_priv,
 149                                struct drm_gem_object *obj,
 150                                u32 *handlep);
 151 int drm_gem_close_ioctl(struct drm_device *dev, void *data,
 152                         struct drm_file *file_priv);
 153 int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
 154                         struct drm_file *file_priv);
 155 int drm_gem_open_ioctl(struct drm_device *dev, void *data,
 156                        struct drm_file *file_priv);
 157 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
 158 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
 159 void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
 160                         const struct drm_gem_object *obj);
 161
 162 int drm_gem_pin(struct drm_gem_object *obj);
 163 void drm_gem_unpin(struct drm_gem_object *obj);
 164 void *drm_gem_vmap(struct drm_gem_object *obj);
 165 void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
 166
 167 /* drm_debugfs.c drm_debugfs_crc.c */
 168 #if defined(CONFIG_DEBUG_FS)
 169 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
 170                      struct dentry *root);
 171 void drm_debugfs_cleanup(struct drm_minor *minor);
 172 void drm_debugfs_connector_add(struct drm_connector *connector);
 173 void drm_debugfs_connector_remove(struct drm_connector *connector);
 174 void drm_debugfs_crtc_add(struct drm_crtc *crtc);
 175 void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
 176 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
 177 #else
 178 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
 179                                    struct dentry *root)
 180 {
 181         return 0;
 182 }
 183
 184 static inline void drm_debugfs_cleanup(struct drm_minor *minor)
 185 {
 186 }
 187
 188 static inline void drm_debugfs_connector_add(struct drm_connector *connector)
 189 {
 190 }
 191 static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
 192 {
 193 }
 194
 195 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
 196 {
 197 }
 198 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
 199 {
 200 }
 201
 202 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
 203 {
 204 }
 205
 206 #endif
 207
 208 drm_ioctl_t drm_version;
 209 drm_ioctl_t drm_getunique;
 210 drm_ioctl_t drm_getclient;
 211
 212 /* drm_syncobj.c */
 213 void drm_syncobj_open(struct drm_file *file_private);
 214 void drm_syncobj_release(struct drm_file *file_private);
 215 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
 216                              struct drm_file *file_private);
 217 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
 218                               struct drm_file *file_private);
 219 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
 220                                    struct drm_file *file_private);
 221 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
 222                                    struct drm_file *file_private);
 223 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
 224                                struct drm_file *file_private);
 225 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
 226                            struct drm_file *file_private);
 227 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
 228                                     struct drm_file *file_private);
 229 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
 230                             struct drm_file *file_private);
 231 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
 232                              struct drm_file *file_private);
 233 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
 234                                       struct drm_file *file_private);
 235 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
 236                             struct drm_file *file_private);
 237
 238 /* drm_framebuffer.c */
 239 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
 240                                 const struct drm_framebuffer *fb);
 241 void drm_framebuffer_debugfs_init(struct drm_minor *minor);