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