tjh.dev / kernel
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kernel / drivers / gpu / drm / drm_internal.h
at v5.6-rc5 241 lines 8.4 kB view raw
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#ifdef CONFIG_PCI 49 50/* drm_pci.c */ 51int drm_irq_by_busid(struct drm_device *dev, void *data, 52 struct drm_file *file_priv); 53void drm_pci_agp_destroy(struct drm_device *dev); 54int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); 55 56#else 57 58static inline int drm_irq_by_busid(struct drm_device *dev, void *data, 59 struct drm_file *file_priv) 60{ 61 return -EINVAL; 62} 63 64static inline void drm_pci_agp_destroy(struct drm_device *dev) 65{ 66} 67 68static inline int drm_pci_set_busid(struct drm_device *dev, 69 struct drm_master *master) 70{ 71 return -EINVAL; 72} 73 74#endif 75 76/* drm_prime.c */ 77int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data, 78 struct drm_file *file_priv); 79int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, 80 struct drm_file *file_priv); 81 82void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); 83void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); 84void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, 85 struct dma_buf *dma_buf); 86 87/* drm_drv.c */ 88struct drm_minor *drm_minor_acquire(unsigned int minor_id); 89void drm_minor_release(struct drm_minor *minor); 90 91/* drm_vblank.c */ 92void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); 93void drm_vblank_cleanup(struct drm_device *dev); 94 95/* IOCTLS */ 96int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, 97 struct drm_file *filp); 98int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data, 99 struct drm_file *file_priv); 100 101/* drm_irq.c */ 102 103/* IOCTLS */ 104#if IS_ENABLED(CONFIG_DRM_LEGACY) 105int drm_legacy_irq_control(struct drm_device *dev, void *data, 106 struct drm_file *file_priv); 107#endif 108 109int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data, 110 struct drm_file *filp); 111 112int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data, 113 struct drm_file *filp); 114 115/* drm_auth.c */ 116int drm_getmagic(struct drm_device *dev, void *data, 117 struct drm_file *file_priv); 118int drm_authmagic(struct drm_device *dev, void *data, 119 struct drm_file *file_priv); 120int drm_setmaster_ioctl(struct drm_device *dev, void *data, 121 struct drm_file *file_priv); 122int drm_dropmaster_ioctl(struct drm_device *dev, void *data, 123 struct drm_file *file_priv); 124int drm_master_open(struct drm_file *file_priv); 125void drm_master_release(struct drm_file *file_priv); 126bool drm_master_internal_acquire(struct drm_device *dev); 127void drm_master_internal_release(struct drm_device *dev); 128 129/* drm_sysfs.c */ 130extern struct class *drm_class; 131 132int drm_sysfs_init(void); 133void drm_sysfs_destroy(void); 134struct device *drm_sysfs_minor_alloc(struct drm_minor *minor); 135int drm_sysfs_connector_add(struct drm_connector *connector); 136void drm_sysfs_connector_remove(struct drm_connector *connector); 137 138void drm_sysfs_lease_event(struct drm_device *dev); 139 140/* drm_gem.c */ 141struct drm_gem_object; 142int drm_gem_init(struct drm_device *dev); 143void drm_gem_destroy(struct drm_device *dev); 144int drm_gem_handle_create_tail(struct drm_file *file_priv, 145 struct drm_gem_object *obj, 146 u32 *handlep); 147int drm_gem_close_ioctl(struct drm_device *dev, void *data, 148 struct drm_file *file_priv); 149int drm_gem_flink_ioctl(struct drm_device *dev, void *data, 150 struct drm_file *file_priv); 151int drm_gem_open_ioctl(struct drm_device *dev, void *data, 152 struct drm_file *file_priv); 153void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); 154void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); 155void drm_gem_print_info(struct drm_printer *p, unsigned int indent, 156 const struct drm_gem_object *obj); 157 158int drm_gem_pin(struct drm_gem_object *obj); 159void drm_gem_unpin(struct drm_gem_object *obj); 160void *drm_gem_vmap(struct drm_gem_object *obj); 161void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr); 162 163/* drm_debugfs.c drm_debugfs_crc.c */ 164#if defined(CONFIG_DEBUG_FS) 165int drm_debugfs_init(struct drm_minor *minor, int minor_id, 166 struct dentry *root); 167void drm_debugfs_cleanup(struct drm_minor *minor); 168void drm_debugfs_connector_add(struct drm_connector *connector); 169void drm_debugfs_connector_remove(struct drm_connector *connector); 170void drm_debugfs_crtc_add(struct drm_crtc *crtc); 171void drm_debugfs_crtc_remove(struct drm_crtc *crtc); 172void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc); 173#else 174static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id, 175 struct dentry *root) 176{ 177 return 0; 178} 179 180static inline void drm_debugfs_cleanup(struct drm_minor *minor) 181{ 182} 183 184static inline void drm_debugfs_connector_add(struct drm_connector *connector) 185{ 186} 187static inline void drm_debugfs_connector_remove(struct drm_connector *connector) 188{ 189} 190 191static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc) 192{ 193} 194static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc) 195{ 196} 197 198static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc) 199{ 200} 201 202#endif 203 204drm_ioctl_t drm_version; 205drm_ioctl_t drm_getunique; 206drm_ioctl_t drm_getclient; 207 208/* drm_syncobj.c */ 209void drm_syncobj_open(struct drm_file *file_private); 210void drm_syncobj_release(struct drm_file *file_private); 211int drm_syncobj_create_ioctl(struct drm_device *dev, void *data, 212 struct drm_file *file_private); 213int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data, 214 struct drm_file *file_private); 215int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, 216 struct drm_file *file_private); 217int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, 218 struct drm_file *file_private); 219int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, 220 struct drm_file *file_private); 221int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, 222 struct drm_file *file_private); 223int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, 224 struct drm_file *file_private); 225int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data, 226 struct drm_file *file_private); 227int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data, 228 struct drm_file *file_private); 229int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data, 230 struct drm_file *file_private); 231int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, 232 struct drm_file *file_private); 233 234/* drm_framebuffer.c */ 235void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, 236 const struct drm_framebuffer *fb); 237int drm_framebuffer_debugfs_init(struct drm_minor *minor); 238 239/* drm_hdcp.c */ 240int drm_setup_hdcp_srm(struct class *drm_class); 241void drm_teardown_hdcp_srm(struct class *drm_class);