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 <linux/kthread.h> 25#include <linux/types.h> 26 27#include <drm/drm_ioctl.h> 28#include <drm/drm_vblank.h> 29 30#define DRM_IF_MAJOR 1 31#define DRM_IF_MINOR 4 32 33#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 34 35struct cea_sad; 36struct dentry; 37struct dma_buf; 38struct iosys_map; 39struct drm_connector; 40struct drm_crtc; 41struct drm_framebuffer; 42struct drm_gem_object; 43struct drm_master; 44struct drm_minor; 45struct drm_prime_file_private; 46struct drm_printer; 47struct drm_vblank_crtc; 48 49/* drm_file.c */ 50extern struct mutex drm_global_mutex; 51bool drm_dev_needs_global_mutex(struct drm_device *dev); 52struct drm_file *drm_file_alloc(struct drm_minor *minor); 53void drm_file_free(struct drm_file *file); 54void drm_lastclose(struct drm_device *dev); 55 56#ifdef CONFIG_PCI 57 58/* drm_pci.c */ 59int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 60 61#else 62 63static inline int drm_pci_set_busid(struct drm_device *dev, 64 struct drm_master *master) 65{ 66 return -EINVAL; 67} 68 69#endif 70 71/* drm_prime.c */ 72int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 73 struct drm_file *file_priv); 74int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 75 struct drm_file *file_priv); 76 77void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 78void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 79void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, 80 uint32_t handle); 81 82/* drm_drv.c */ 83struct drm_minor *drm_minor_acquire(unsigned int minor_id); 84void drm_minor_release(struct drm_minor *minor); 85 86/* drm_managed.c */ 87void drm_managed_release(struct drm_device *dev); 88void drmm_add_final_kfree(struct drm_device *dev, void *container); 89 90/* drm_vblank.c */ 91static inline bool drm_vblank_passed(u64 seq, u64 ref) 92{ 93 return (seq - ref) <= (1 << 23); 94} 95 96void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 97int drm_vblank_get(struct drm_device *dev, unsigned int pipe); 98void drm_vblank_put(struct drm_device *dev, unsigned int pipe); 99u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe); 100 101/* drm_vblank_work.c */ 102static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank) 103{ 104 kthread_flush_worker(vblank->worker); 105} 106 107static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank) 108{ 109 if (vblank->worker) 110 kthread_destroy_worker(vblank->worker); 111} 112 113int drm_vblank_worker_init(struct drm_vblank_crtc *vblank); 114void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank); 115void drm_handle_vblank_works(struct drm_vblank_crtc *vblank); 116 117/* IOCTLS */ 118int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 119 struct drm_file *filp); 120 121/* drm_irq.c */ 122 123/* IOCTLS */ 124int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 125 struct drm_file *filp); 126 127int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 128 struct drm_file *filp); 129 130/* drm_auth.c */ 131int drm_getmagic(struct drm_device *dev, void *data, 132 struct drm_file *file_priv); 133int drm_authmagic(struct drm_device *dev, void *data, 134 struct drm_file *file_priv); 135int drm_setmaster_ioctl(struct drm_device *dev, void *data, 136 struct drm_file *file_priv); 137int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 138 struct drm_file *file_priv); 139int drm_master_open(struct drm_file *file_priv); 140void drm_master_release(struct drm_file *file_priv); 141bool drm_master_internal_acquire(struct drm_device *dev); 142void drm_master_internal_release(struct drm_device *dev); 143 144/* drm_sysfs.c */ 145extern struct class *drm_class; 146 147int drm_sysfs_init(void); 148void drm_sysfs_destroy(void); 149struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 150int drm_sysfs_connector_add(struct drm_connector *connector); 151int drm_sysfs_connector_add_late(struct drm_connector *connector); 152void drm_sysfs_connector_remove_early(struct drm_connector *connector); 153void drm_sysfs_connector_remove(struct drm_connector *connector); 154 155void drm_sysfs_lease_event(struct drm_device *dev); 156 157/* drm_gem.c */ 158int drm_gem_init(struct drm_device *dev); 159int drm_gem_handle_create_tail(struct drm_file *file_priv, 160 struct drm_gem_object *obj, 161 u32 *handlep); 162int drm_gem_close_ioctl(struct drm_device *dev, void *data, 163 struct drm_file *file_priv); 164int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 165 struct drm_file *file_priv); 166int drm_gem_open_ioctl(struct drm_device *dev, void *data, 167 struct drm_file *file_priv); 168void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 169void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 170void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 171 const struct drm_gem_object *obj); 172 173int drm_gem_pin(struct drm_gem_object *obj); 174void drm_gem_unpin(struct drm_gem_object *obj); 175int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map); 176void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map); 177 178/* drm_debugfs.c drm_debugfs_crc.c */ 179#if defined(CONFIG_DEBUG_FS) 180void drm_debugfs_dev_fini(struct drm_device *dev); 181void drm_debugfs_dev_register(struct drm_device *dev); 182int drm_debugfs_register(struct drm_minor *minor, int minor_id, 183 struct dentry *root); 184void drm_debugfs_unregister(struct drm_minor *minor); 185void drm_debugfs_connector_add(struct drm_connector *connector); 186void drm_debugfs_connector_remove(struct drm_connector *connector); 187void drm_debugfs_crtc_add(struct drm_crtc *crtc); 188void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 189void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 190void drm_debugfs_encoder_add(struct drm_encoder *encoder); 191void drm_debugfs_encoder_remove(struct drm_encoder *encoder); 192#else 193static inline void drm_debugfs_dev_fini(struct drm_device *dev) 194{ 195} 196 197static inline void drm_debugfs_dev_register(struct drm_device *dev) 198{ 199} 200 201static inline int drm_debugfs_register(struct drm_minor *minor, int minor_id, 202 struct dentry *root) 203{ 204 return 0; 205} 206 207static inline void drm_debugfs_unregister(struct drm_minor *minor) 208{ 209} 210 211static inline void drm_debugfs_connector_add(struct drm_connector *connector) 212{ 213} 214static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 215{ 216} 217 218static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 219{ 220} 221static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 222{ 223} 224 225static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 226{ 227} 228 229static inline void drm_debugfs_encoder_add(struct drm_encoder *encoder) 230{ 231} 232 233static inline void drm_debugfs_encoder_remove(struct drm_encoder *encoder) 234{ 235} 236 237#endif 238 239drm_ioctl_t drm_version; 240drm_ioctl_t drm_getunique; 241drm_ioctl_t drm_getclient; 242 243/* drm_syncobj.c */ 244void drm_syncobj_open(struct drm_file *file_private); 245void drm_syncobj_release(struct drm_file *file_private); 246int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 247 struct drm_file *file_private); 248int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 249 struct drm_file *file_private); 250int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 251 struct drm_file *file_private); 252int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 253 struct drm_file *file_private); 254int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 255 struct drm_file *file_private); 256int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 257 struct drm_file *file_private); 258int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 259 struct drm_file *file_private); 260int drm_syncobj_eventfd_ioctl(struct drm_device *dev, void *data, 261 struct drm_file *file_private); 262int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 263 struct drm_file *file_private); 264int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 265 struct drm_file *file_private); 266int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 267 struct drm_file *file_private); 268int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 269 struct drm_file *file_private); 270 271/* drm_framebuffer.c */ 272void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 273 const struct drm_framebuffer *fb); 274void drm_framebuffer_debugfs_init(struct drm_device *dev); 275 276/* drm_edid.c */ 277void drm_edid_cta_sad_get(const struct cea_sad *cta_sad, u8 *sad); 278void drm_edid_cta_sad_set(struct cea_sad *cta_sad, const u8 *sad); 279