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