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__ */
|
