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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 | #ifndef __DRM_LEGACY_H__ #define __DRM_LEGACY_H__ /* * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ /* * This file contains legacy interfaces that modern drm drivers * should no longer be using. They cannot be removed as legacy * drivers use them, and removing them are API breaks. */ #include <linux/list.h> #include <drm/drm.h> #include <drm/drm_device.h> #include <drm/drm_legacy.h> struct agp_memory; struct drm_buf_desc; struct drm_device; struct drm_file; struct drm_hash_item; struct drm_open_hash; /* * Hash-table Support */ #define drm_hash_entry(_ptr, _type, _member) container_of(_ptr, _type, _member) /* drm_hashtab.c */ #if IS_ENABLED(CONFIG_DRM_LEGACY) int drm_ht_create(struct drm_open_hash *ht, unsigned int order); int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item); int drm_ht_just_insert_please(struct drm_open_hash *ht, struct drm_hash_item *item, unsigned long seed, int bits, int shift, unsigned long add); int drm_ht_find_item(struct drm_open_hash *ht, unsigned long key, struct drm_hash_item **item); void drm_ht_verbose_list(struct drm_open_hash *ht, unsigned long key); int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key); int drm_ht_remove_item(struct drm_open_hash *ht, struct drm_hash_item *item); void drm_ht_remove(struct drm_open_hash *ht); #endif /* * RCU-safe interface * * The user of this API needs to make sure that two or more instances of the * hash table manipulation functions are never run simultaneously. * The lookup function drm_ht_find_item_rcu may, however, run simultaneously * with any of the manipulation functions as long as it's called from within * an RCU read-locked section. */ #define drm_ht_insert_item_rcu drm_ht_insert_item #define drm_ht_just_insert_please_rcu drm_ht_just_insert_please #define drm_ht_remove_key_rcu drm_ht_remove_key #define drm_ht_remove_item_rcu drm_ht_remove_item #define drm_ht_find_item_rcu drm_ht_find_item /* * Generic DRM Contexts */ #define DRM_KERNEL_CONTEXT 0 #define DRM_RESERVED_CONTEXTS 1 #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_legacy_ctxbitmap_init(struct drm_device *dev); void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev); void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file); #else static inline void drm_legacy_ctxbitmap_init(struct drm_device *dev) {} static inline void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev) {} static inline void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) {} #endif void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle); #if IS_ENABLED(CONFIG_DRM_LEGACY) int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f); #endif /* * Generic Buffer Management */ #define DRM_MAP_HASH_OFFSET 0x10000000 #if IS_ENABLED(CONFIG_DRM_LEGACY) static inline int drm_legacy_create_map_hash(struct drm_device *dev) { return drm_ht_create(&dev->map_hash, 12); } static inline void drm_legacy_remove_map_hash(struct drm_device *dev) { drm_ht_remove(&dev->map_hash); } #else static inline int drm_legacy_create_map_hash(struct drm_device *dev) { return 0; } static inline void drm_legacy_remove_map_hash(struct drm_device *dev) {} #endif #if IS_ENABLED(CONFIG_DRM_LEGACY) int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f); #endif int __drm_legacy_infobufs(struct drm_device *, void *, int *, int (*)(void *, int, struct drm_buf_entry *)); int __drm_legacy_mapbufs(struct drm_device *, void *, int *, void __user **, int (*)(void *, int, unsigned long, struct drm_buf *), struct drm_file *); #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_legacy_master_rmmaps(struct drm_device *dev, struct drm_master *master); void drm_legacy_rmmaps(struct drm_device *dev); #else static inline void drm_legacy_master_rmmaps(struct drm_device *dev, struct drm_master *master) {} static inline void drm_legacy_rmmaps(struct drm_device *dev) {} #endif #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_legacy_vma_flush(struct drm_device *d); #else static inline void drm_legacy_vma_flush(struct drm_device *d) { /* do nothing */ } #endif /* * AGP Support */ struct drm_agp_mem { unsigned long handle; struct agp_memory *memory; unsigned long bound; int pages; struct list_head head; }; /* drm_agpsupport.c */ #if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_AGP) void drm_legacy_agp_clear(struct drm_device *dev); int drm_legacy_agp_acquire_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_agp_release_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_agp_enable_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_agp_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_agp_alloc_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_agp_free_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_agp_unbind_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_agp_bind_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); #else static inline void drm_legacy_agp_clear(struct drm_device *dev) {} #endif /* drm_lock.c */ #if IS_ENABLED(CONFIG_DRM_LEGACY) int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f); int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f); void drm_legacy_lock_release(struct drm_device *dev, struct file *filp); #else static inline void drm_legacy_lock_release(struct drm_device *dev, struct file *filp) {} #endif /* DMA support */ #if IS_ENABLED(CONFIG_DRM_LEGACY) int drm_legacy_dma_setup(struct drm_device *dev); void drm_legacy_dma_takedown(struct drm_device *dev); #else static inline int drm_legacy_dma_setup(struct drm_device *dev) { return 0; } #endif void drm_legacy_free_buffer(struct drm_device *dev, struct drm_buf * buf); #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_legacy_reclaim_buffers(struct drm_device *dev, struct drm_file *filp); #else static inline void drm_legacy_reclaim_buffers(struct drm_device *dev, struct drm_file *filp) {} #endif /* Scatter Gather Support */ #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_legacy_sg_cleanup(struct drm_device *dev); int drm_legacy_sg_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_legacy_sg_free(struct drm_device *dev, void *data, struct drm_file *file_priv); #endif #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_legacy_init_members(struct drm_device *dev); void drm_legacy_destroy_members(struct drm_device *dev); void drm_legacy_dev_reinit(struct drm_device *dev); int drm_legacy_setup(struct drm_device * dev); #else static inline void drm_legacy_init_members(struct drm_device *dev) {} static inline void drm_legacy_destroy_members(struct drm_device *dev) {} static inline void drm_legacy_dev_reinit(struct drm_device *dev) {} static inline int drm_legacy_setup(struct drm_device * dev) { return 0; } #endif #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master); #else static inline void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master) {} #endif #if IS_ENABLED(CONFIG_DRM_LEGACY) void drm_master_legacy_init(struct drm_master *master); #else static inline void drm_master_legacy_init(struct drm_master *master) {} #endif /* drm_pci.c */ #if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_PCI) int drm_legacy_irq_by_busid(struct drm_device *dev, void *data, struct drm_file *file_priv); void drm_legacy_pci_agp_destroy(struct drm_device *dev); #else static inline int drm_legacy_irq_by_busid(struct drm_device *dev, void *data, struct drm_file *file_priv) { return -EINVAL; } static inline void drm_legacy_pci_agp_destroy(struct drm_device *dev) {} #endif #endif /* __DRM_LEGACY_H__ */ |