1 #ifndef __DRM_LEGACY_H__
2 #define __DRM_LEGACY_H__
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:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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.
27 * This file contains legacy interfaces that modern drm drivers
28 * should no longer be using. They cannot be removed as legacy
29 * drivers use them, and removing them are API breaks.
31 #include <linux/list.h>
32 #include <drm/drm_legacy.h>
39 * Generic DRM Contexts
42 #define DRM_KERNEL_CONTEXT 0
43 #define DRM_RESERVED_CONTEXTS 1
45 #if IS_ENABLED(CONFIG_DRM_LEGACY)
46 void drm_legacy_ctxbitmap_init(struct drm_device *dev);
47 void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
48 void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
50 static inline void drm_legacy_ctxbitmap_init(struct drm_device *dev) {}
51 static inline void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev) {}
52 static inline void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) {}
55 void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
57 #if IS_ENABLED(CONFIG_DRM_LEGACY)
58 int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
59 int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
60 int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
61 int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
62 int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
63 int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
65 int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
66 int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
70 * Generic Buffer Management
73 #define DRM_MAP_HASH_OFFSET 0x10000000
75 #if IS_ENABLED(CONFIG_DRM_LEGACY)
76 static inline int drm_legacy_create_map_hash(struct drm_device *dev)
78 return drm_ht_create(&dev->map_hash, 12);
81 static inline void drm_legacy_remove_map_hash(struct drm_device *dev)
83 drm_ht_remove(&dev->map_hash);
86 static inline int drm_legacy_create_map_hash(struct drm_device *dev)
91 static inline void drm_legacy_remove_map_hash(struct drm_device *dev) {}
95 #if IS_ENABLED(CONFIG_DRM_LEGACY)
96 int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
97 struct drm_file *file_priv);
98 int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
99 int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
101 int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
102 int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
103 int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
104 int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
105 int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
106 int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
109 int __drm_legacy_infobufs(struct drm_device *, void *, int *,
110 int (*)(void *, int, struct drm_buf_entry *));
111 int __drm_legacy_mapbufs(struct drm_device *, void *, int *,
113 int (*)(void *, int, unsigned long, struct drm_buf *),
116 #if IS_ENABLED(CONFIG_DRM_LEGACY)
117 void drm_legacy_master_rmmaps(struct drm_device *dev,
118 struct drm_master *master);
119 void drm_legacy_rmmaps(struct drm_device *dev);
121 static inline void drm_legacy_master_rmmaps(struct drm_device *dev,
122 struct drm_master *master) {}
123 static inline void drm_legacy_rmmaps(struct drm_device *dev) {}
126 #if IS_ENABLED(CONFIG_DRM_VM) && IS_ENABLED(CONFIG_DRM_LEGACY)
127 void drm_legacy_vma_flush(struct drm_device *d);
129 static inline void drm_legacy_vma_flush(struct drm_device *d)
140 unsigned long handle;
141 struct agp_memory *memory;
144 struct list_head head;
148 #if IS_ENABLED(CONFIG_DRM_LEGACY)
149 int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
150 int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
151 void drm_legacy_lock_release(struct drm_device *dev, struct file *filp);
153 static inline void drm_legacy_lock_release(struct drm_device *dev, struct file *filp) {}
157 #if IS_ENABLED(CONFIG_DRM_LEGACY)
158 int drm_legacy_dma_setup(struct drm_device *dev);
159 void drm_legacy_dma_takedown(struct drm_device *dev);
161 static inline int drm_legacy_dma_setup(struct drm_device *dev)
167 void drm_legacy_free_buffer(struct drm_device *dev,
168 struct drm_buf * buf);
169 #if IS_ENABLED(CONFIG_DRM_LEGACY)
170 void drm_legacy_reclaim_buffers(struct drm_device *dev,
171 struct drm_file *filp);
173 static inline void drm_legacy_reclaim_buffers(struct drm_device *dev,
174 struct drm_file *filp) {}
177 /* Scatter Gather Support */
178 #if IS_ENABLED(CONFIG_DRM_LEGACY)
179 void drm_legacy_sg_cleanup(struct drm_device *dev);
180 int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
181 struct drm_file *file_priv);
182 int drm_legacy_sg_free(struct drm_device *dev, void *data,
183 struct drm_file *file_priv);
186 #if IS_ENABLED(CONFIG_DRM_LEGACY)
187 void drm_legacy_init_members(struct drm_device *dev);
188 void drm_legacy_destroy_members(struct drm_device *dev);
189 void drm_legacy_dev_reinit(struct drm_device *dev);
191 static inline void drm_legacy_init_members(struct drm_device *dev) {}
192 static inline void drm_legacy_destroy_members(struct drm_device *dev) {}
193 static inline void drm_legacy_dev_reinit(struct drm_device *dev) {}
196 #if IS_ENABLED(CONFIG_DRM_LEGACY)
197 void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
199 static inline void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master) {}
202 #if IS_ENABLED(CONFIG_DRM_LEGACY)
203 void drm_master_legacy_init(struct drm_master *master);
205 static inline void drm_master_legacy_init(struct drm_master *master) {}
208 #endif /* __DRM_LEGACY_H__ */