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_vblank.c */ 93 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 94 void drm_vblank_cleanup(struct drm_device *dev); 95 96 /* IOCTLS */ 97 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 98 struct drm_file *filp); 99 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data, 100 struct drm_file *file_priv); 101 102 /* drm_irq.c */ 103 104 /* IOCTLS */ 105 #if IS_ENABLED(CONFIG_DRM_LEGACY) 106 int drm_legacy_irq_control(struct drm_device *dev, void *data, 107 struct drm_file *file_priv); 108 #endif 109 110 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 111 struct drm_file *filp); 112 113 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 114 struct drm_file *filp); 115 116 /* drm_auth.c */ 117 int drm_getmagic(struct drm_device *dev, void *data, 118 struct drm_file *file_priv); 119 int drm_authmagic(struct drm_device *dev, void *data, 120 struct drm_file *file_priv); 121 int drm_setmaster_ioctl(struct drm_device *dev, void *data, 122 struct drm_file *file_priv); 123 int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 124 struct drm_file *file_priv); 125 int drm_master_open(struct drm_file *file_priv); 126 void drm_master_release(struct drm_file *file_priv); 127 bool drm_master_internal_acquire(struct drm_device *dev); 128 void drm_master_internal_release(struct drm_device *dev); 129 130 /* drm_sysfs.c */ 131 extern struct class *drm_class; 132 133 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); 138 139 void drm_sysfs_lease_event(struct drm_device *dev); 140 141 /* drm_gem.c */ 142 struct drm_gem_object; 143 int drm_gem_init(struct drm_device *dev); 144 void drm_gem_destroy(struct drm_device *dev); 145 int drm_gem_handle_create_tail(struct drm_file *file_priv, 146 struct drm_gem_object *obj, 147 u32 *handlep); 148 int drm_gem_close_ioctl(struct drm_device *dev, void *data, 149 struct drm_file *file_priv); 150 int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 151 struct drm_file *file_priv); 152 int drm_gem_open_ioctl(struct drm_device *dev, void *data, 153 struct drm_file *file_priv); 154 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 155 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 156 void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 157 const struct drm_gem_object *obj); 158 159 int drm_gem_pin(struct drm_gem_object *obj); 160 void drm_gem_unpin(struct drm_gem_object *obj); 161 void *drm_gem_vmap(struct drm_gem_object *obj); 162 void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr); 163 164 /* drm_debugfs.c drm_debugfs_crc.c */ 165 #if defined(CONFIG_DEBUG_FS) 166 int drm_debugfs_init(struct drm_minor *minor, int minor_id, 167 struct dentry *root); 168 void drm_debugfs_cleanup(struct drm_minor *minor); 169 void drm_debugfs_connector_add(struct drm_connector *connector); 170 void drm_debugfs_connector_remove(struct drm_connector *connector); 171 void drm_debugfs_crtc_add(struct drm_crtc *crtc); 172 void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 173 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 174 #else 175 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, 176 struct dentry *root) 177 { 178 return 0; 179 } 180 181 static inline void drm_debugfs_cleanup(struct drm_minor *minor) 182 { 183 } 184 185 static inline void drm_debugfs_connector_add(struct drm_connector *connector) 186 { 187 } 188 static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 189 { 190 } 191 192 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 193 { 194 } 195 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 196 { 197 } 198 199 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 200 { 201 } 202 203 #endif 204 205 drm_ioctl_t drm_version; 206 drm_ioctl_t drm_getunique; 207 drm_ioctl_t drm_getclient; 208 209 /* drm_syncobj.c */ 210 void drm_syncobj_open(struct drm_file *file_private); 211 void drm_syncobj_release(struct drm_file *file_private); 212 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 213 struct drm_file *file_private); 214 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 215 struct drm_file *file_private); 216 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 217 struct drm_file *file_private); 218 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 219 struct drm_file *file_private); 220 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 221 struct drm_file *file_private); 222 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 223 struct drm_file *file_private); 224 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 225 struct drm_file *file_private); 226 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 227 struct drm_file *file_private); 228 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 229 struct drm_file *file_private); 230 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 231 struct drm_file *file_private); 232 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 233 struct drm_file *file_private); 234 235 /* drm_framebuffer.c */ 236 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 237 const struct drm_framebuffer *fb); 238 int drm_framebuffer_debugfs_init(struct drm_minor *minor); 239 240 /* drm_hdcp.c */ 241 int drm_setup_hdcp_srm(struct class *drm_class); 242 void drm_teardown_hdcp_srm(struct class *drm_class); 243