1 /* $NetBSD: drm_internal.h,v 1.11 2021/12/19 11:10:09 riastradh Exp $ */ 2 3 /* 4 * Copyright © 2014 Intel Corporation 5 * Daniel Vetter <daniel.vetter@ffwll.ch> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 #include <linux/kernel.h> 27 #include <drm/drm_ioctl.h> 28 29 #define DRM_IF_MAJOR 1 30 #define DRM_IF_MINOR 4 31 32 #define DRM_IF_VERSION(maj, min) (maj << 16 | min) 33 34 struct dentry; 35 struct dma_buf; 36 struct drm_connector; 37 struct drm_crtc; 38 struct drm_framebuffer; 39 struct drm_gem_object; 40 struct drm_master; 41 struct drm_minor; 42 struct drm_prime_file_private; 43 struct drm_printer; 44 45 /* drm_file.c */ 46 extern struct mutex drm_global_mutex; 47 struct drm_file *drm_file_alloc(struct drm_minor *minor); 48 void drm_file_free(struct drm_file *file); 49 void drm_lastclose(struct drm_device *dev); 50 51 #ifdef CONFIG_PCI 52 53 /* drm_pci.c */ 54 int drm_irq_by_busid(struct drm_device *dev, void *data, 55 struct drm_file *file_priv); 56 void drm_pci_agp_destroy(struct drm_device *dev); 57 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 58 59 #else 60 61 static inline int drm_irq_by_busid(struct drm_device *dev, void *data, 62 struct drm_file *file_priv) 63 { 64 return -EINVAL; 65 } 66 67 static inline void drm_pci_agp_destroy(struct drm_device *dev) 68 { 69 } 70 71 static inline int drm_pci_set_busid(struct drm_device *dev, 72 struct drm_master *master) 73 { 74 return -EINVAL; 75 } 76 77 #endif 78 79 /* drm_prime.c */ 80 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 81 struct drm_file *file_priv); 82 int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 83 struct drm_file *file_priv); 84 85 void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 86 void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 87 void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, 88 struct dma_buf *dma_buf); 89 90 /* drm_drv.c */ 91 struct drm_minor *drm_minor_acquire(unsigned int minor_id); 92 void drm_minor_release(struct drm_minor *minor); 93 #ifdef __NetBSD__ 94 #include <linux/srcu.h> 95 extern struct srcu_struct drm_unplug_srcu; 96 extern struct spinlock drm_minor_lock; 97 extern struct idr drm_minors_idr; 98 #endif 99 100 /* drm_vblank.c */ 101 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 102 void drm_vblank_cleanup(struct drm_device *dev); 103 104 /* IOCTLS */ 105 int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 106 struct drm_file *filp); 107 int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data, 108 struct drm_file *file_priv); 109 110 /* drm_irq.c */ 111 112 /* IOCTLS */ 113 #if IS_ENABLED(CONFIG_DRM_LEGACY) 114 int drm_legacy_irq_control(struct drm_device *dev, void *data, 115 struct drm_file *file_priv); 116 #endif 117 118 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 119 struct drm_file *filp); 120 121 int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 122 struct drm_file *filp); 123 124 /* drm_auth.c */ 125 int drm_getmagic(struct drm_device *dev, void *data, 126 struct drm_file *file_priv); 127 int drm_authmagic(struct drm_device *dev, void *data, 128 struct drm_file *file_priv); 129 int drm_setmaster_ioctl(struct drm_device *dev, void *data, 130 struct drm_file *file_priv); 131 int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 132 struct drm_file *file_priv); 133 int drm_master_open(struct drm_file *file_priv); 134 void drm_master_release(struct drm_file *file_priv); 135 bool drm_master_internal_acquire(struct drm_device *dev); 136 void drm_master_internal_release(struct drm_device *dev); 137 138 /* drm_sysfs.c */ 139 extern struct class *drm_class; 140 141 int drm_sysfs_init(void); 142 void drm_sysfs_destroy(void); 143 struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 144 int drm_sysfs_connector_add(struct drm_connector *connector); 145 void drm_sysfs_connector_remove(struct drm_connector *connector); 146 147 void drm_sysfs_lease_event(struct drm_device *dev); 148 149 /* drm_gem.c */ 150 struct drm_gem_object; 151 int drm_gem_init(struct drm_device *dev); 152 void drm_gem_destroy(struct drm_device *dev); 153 int drm_gem_handle_create_tail(struct drm_file *file_priv, 154 struct drm_gem_object *obj, 155 u32 *handlep); 156 int drm_gem_close_ioctl(struct drm_device *dev, void *data, 157 struct drm_file *file_priv); 158 int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 159 struct drm_file *file_priv); 160 int drm_gem_open_ioctl(struct drm_device *dev, void *data, 161 struct drm_file *file_priv); 162 void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 163 void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 164 void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 165 const struct drm_gem_object *obj); 166 167 int drm_gem_pin(struct drm_gem_object *obj); 168 void drm_gem_unpin(struct drm_gem_object *obj); 169 void *drm_gem_vmap(struct drm_gem_object *obj); 170 void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr); 171 172 /* drm_debugfs.c drm_debugfs_crc.c */ 173 #if defined(CONFIG_DEBUG_FS) 174 int drm_debugfs_init(struct drm_minor *minor, int minor_id, 175 struct dentry *root); 176 void drm_debugfs_cleanup(struct drm_minor *minor); 177 void drm_debugfs_connector_add(struct drm_connector *connector); 178 void drm_debugfs_connector_remove(struct drm_connector *connector); 179 void drm_debugfs_crtc_add(struct drm_crtc *crtc); 180 void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 181 void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 182 #else 183 static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, 184 struct dentry *root) 185 { 186 return 0; 187 } 188 189 static inline void drm_debugfs_cleanup(struct drm_minor *minor) 190 { 191 } 192 193 static inline void drm_debugfs_connector_add(struct drm_connector *connector) 194 { 195 } 196 static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 197 { 198 } 199 200 static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 201 { 202 } 203 static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 204 { 205 } 206 207 static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 208 { 209 } 210 211 #endif 212 213 drm_ioctl_t drm_version; 214 drm_ioctl_t drm_getunique; 215 drm_ioctl_t drm_getclient; 216 217 /* drm_syncobj.c */ 218 void drm_syncobj_open(struct drm_file *file_private); 219 void drm_syncobj_release(struct drm_file *file_private); 220 int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 221 struct drm_file *file_private); 222 int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 223 struct drm_file *file_private); 224 int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 225 struct drm_file *file_private); 226 int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 227 struct drm_file *file_private); 228 int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 229 struct drm_file *file_private); 230 int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 231 struct drm_file *file_private); 232 int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 233 struct drm_file *file_private); 234 int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 235 struct drm_file *file_private); 236 int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 237 struct drm_file *file_private); 238 int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 239 struct drm_file *file_private); 240 int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 241 struct drm_file *file_private); 242 243 /* drm_framebuffer.c */ 244 void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 245 const struct drm_framebuffer *fb); 246 int drm_framebuffer_debugfs_init(struct drm_minor *minor); 247 248 /* drm_hdcp.c */ 249 int drm_setup_hdcp_srm(struct class *drm_class); 250 void drm_teardown_hdcp_srm(struct class *drm_class); 251 252 /* drm_fb_helper.c */ 253 extern struct mutex drm_kernel_fb_helper_lock; 254