LXR linux/drivers/gpu/drm/drm

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