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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _DRM_AGPSUPPORT_H_
3#define _DRM_AGPSUPPORT_H_
4
5#include <linux/agp_backend.h>
6#include <linux/kernel.h>
7#include <linux/list.h>
8#include <linux/mm.h>
9#include <linux/mutex.h>
10#include <linux/types.h>
11#include <uapi/drm/drm.h>
12
13struct drm_device;
14struct drm_file;
15
16struct drm_agp_head {
17 struct agp_kern_info agp_info;
18 struct list_head memory;
19 unsigned long mode;
20 struct agp_bridge_data *bridge;
21 int enabled;
22 int acquired;
23 unsigned long base;
24 int agp_mtrr;
25 int cant_use_aperture;
26 unsigned long page_mask;
27};
28
29#if IS_ENABLED(CONFIG_AGP)
30
31void drm_free_agp(struct agp_memory * handle, int pages);
32int drm_bind_agp(struct agp_memory * handle, unsigned int start);
33int drm_unbind_agp(struct agp_memory * handle);
34
35struct drm_agp_head *drm_agp_init(struct drm_device *dev);
36void drm_legacy_agp_clear(struct drm_device *dev);
37int drm_agp_acquire(struct drm_device *dev);
38int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
39 struct drm_file *file_priv);
40int drm_agp_release(struct drm_device *dev);
41int drm_agp_release_ioctl(struct drm_device *dev, void *data,
42 struct drm_file *file_priv);
43int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
44int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
45 struct drm_file *file_priv);
46int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
47int drm_agp_info_ioctl(struct drm_device *dev, void *data,
48 struct drm_file *file_priv);
49int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
50int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
51 struct drm_file *file_priv);
52int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
53int drm_agp_free_ioctl(struct drm_device *dev, void *data,
54 struct drm_file *file_priv);
55int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
56int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
57 struct drm_file *file_priv);
58int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
59int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
60 struct drm_file *file_priv);
61
62#else /* CONFIG_AGP */
63
64static inline void drm_free_agp(struct agp_memory * handle, int pages)
65{
66}
67
68static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
69{
70 return -ENODEV;
71}
72
73static inline int drm_unbind_agp(struct agp_memory * handle)
74{
75 return -ENODEV;
76}
77
78static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
79{
80 return NULL;
81}
82
83static inline void drm_legacy_agp_clear(struct drm_device *dev)
84{
85}
86
87static inline int drm_agp_acquire(struct drm_device *dev)
88{
89 return -ENODEV;
90}
91
92static inline int drm_agp_release(struct drm_device *dev)
93{
94 return -ENODEV;
95}
96
97static inline int drm_agp_enable(struct drm_device *dev,
98 struct drm_agp_mode mode)
99{
100 return -ENODEV;
101}
102
103static inline int drm_agp_info(struct drm_device *dev,
104 struct drm_agp_info *info)
105{
106 return -ENODEV;
107}
108
109static inline int drm_agp_alloc(struct drm_device *dev,
110 struct drm_agp_buffer *request)
111{
112 return -ENODEV;
113}
114
115static inline int drm_agp_free(struct drm_device *dev,
116 struct drm_agp_buffer *request)
117{
118 return -ENODEV;
119}
120
121static inline int drm_agp_unbind(struct drm_device *dev,
122 struct drm_agp_binding *request)
123{
124 return -ENODEV;
125}
126
127static inline int drm_agp_bind(struct drm_device *dev,
128 struct drm_agp_binding *request)
129{
130 return -ENODEV;
131}
132
133#endif /* CONFIG_AGP */
134
135#endif /* _DRM_AGPSUPPORT_H_ */
1#ifndef _DRM_AGPSUPPORT_H_
2#define _DRM_AGPSUPPORT_H_
3
4#include <linux/kernel.h>
5#include <linux/mm.h>
6#include <linux/mutex.h>
7#include <linux/types.h>
8#include <linux/agp_backend.h>
9#include <drm/drmP.h>
10
11#if __OS_HAS_AGP
12
13void drm_free_agp(struct agp_memory * handle, int pages);
14int drm_bind_agp(struct agp_memory * handle, unsigned int start);
15int drm_unbind_agp(struct agp_memory * handle);
16struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
17 struct page **pages,
18 unsigned long num_pages,
19 uint32_t gtt_offset,
20 uint32_t type);
21
22struct drm_agp_head *drm_agp_init(struct drm_device *dev);
23void drm_agp_clear(struct drm_device *dev);
24int drm_agp_acquire(struct drm_device *dev);
25int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
26 struct drm_file *file_priv);
27int drm_agp_release(struct drm_device *dev);
28int drm_agp_release_ioctl(struct drm_device *dev, void *data,
29 struct drm_file *file_priv);
30int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
31int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
32 struct drm_file *file_priv);
33int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
34int drm_agp_info_ioctl(struct drm_device *dev, void *data,
35 struct drm_file *file_priv);
36int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
37int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
38 struct drm_file *file_priv);
39int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
40int drm_agp_free_ioctl(struct drm_device *dev, void *data,
41 struct drm_file *file_priv);
42int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
43int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
44 struct drm_file *file_priv);
45int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
46int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
47 struct drm_file *file_priv);
48#else /* __OS_HAS_AGP */
49
50static inline void drm_free_agp(struct agp_memory * handle, int pages)
51{
52}
53
54static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
55{
56 return -ENODEV;
57}
58
59static inline int drm_unbind_agp(struct agp_memory * handle)
60{
61 return -ENODEV;
62}
63
64static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
65 struct page **pages,
66 unsigned long num_pages,
67 uint32_t gtt_offset,
68 uint32_t type)
69{
70 return NULL;
71}
72
73static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
74{
75 return NULL;
76}
77
78static inline void drm_agp_clear(struct drm_device *dev)
79{
80}
81
82static inline int drm_agp_acquire(struct drm_device *dev)
83{
84 return -ENODEV;
85}
86
87static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
88 struct drm_file *file_priv)
89{
90 return -ENODEV;
91}
92
93static inline int drm_agp_release(struct drm_device *dev)
94{
95 return -ENODEV;
96}
97
98static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data,
99 struct drm_file *file_priv)
100{
101 return -ENODEV;
102}
103
104static inline int drm_agp_enable(struct drm_device *dev,
105 struct drm_agp_mode mode)
106{
107 return -ENODEV;
108}
109
110static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
111 struct drm_file *file_priv)
112{
113 return -ENODEV;
114}
115
116static inline int drm_agp_info(struct drm_device *dev,
117 struct drm_agp_info *info)
118{
119 return -ENODEV;
120}
121
122static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data,
123 struct drm_file *file_priv)
124{
125 return -ENODEV;
126}
127
128static inline int drm_agp_alloc(struct drm_device *dev,
129 struct drm_agp_buffer *request)
130{
131 return -ENODEV;
132}
133
134static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
135 struct drm_file *file_priv)
136{
137 return -ENODEV;
138}
139
140static inline int drm_agp_free(struct drm_device *dev,
141 struct drm_agp_buffer *request)
142{
143 return -ENODEV;
144}
145
146static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data,
147 struct drm_file *file_priv)
148{
149 return -ENODEV;
150}
151
152static inline int drm_agp_unbind(struct drm_device *dev,
153 struct drm_agp_binding *request)
154{
155 return -ENODEV;
156}
157
158static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
159 struct drm_file *file_priv)
160{
161 return -ENODEV;
162}
163
164static inline int drm_agp_bind(struct drm_device *dev,
165 struct drm_agp_binding *request)
166{
167 return -ENODEV;
168}
169
170static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
171 struct drm_file *file_priv)
172{
173 return -ENODEV;
174}
175#endif /* __OS_HAS_AGP */
176
177#endif /* _DRM_AGPSUPPORT_H_ */