1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _DRM_AGPSUPPORT_H_
3*4882a593Smuzhiyun #define _DRM_AGPSUPPORT_H_
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/agp_backend.h>
6*4882a593Smuzhiyun #include <linux/kernel.h>
7*4882a593Smuzhiyun #include <linux/list.h>
8*4882a593Smuzhiyun #include <linux/mm.h>
9*4882a593Smuzhiyun #include <linux/mutex.h>
10*4882a593Smuzhiyun #include <linux/types.h>
11*4882a593Smuzhiyun #include <uapi/drm/drm.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun struct drm_device;
14*4882a593Smuzhiyun struct drm_file;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun struct drm_agp_head {
17*4882a593Smuzhiyun struct agp_kern_info agp_info;
18*4882a593Smuzhiyun struct list_head memory;
19*4882a593Smuzhiyun unsigned long mode;
20*4882a593Smuzhiyun struct agp_bridge_data *bridge;
21*4882a593Smuzhiyun int enabled;
22*4882a593Smuzhiyun int acquired;
23*4882a593Smuzhiyun unsigned long base;
24*4882a593Smuzhiyun int agp_mtrr;
25*4882a593Smuzhiyun int cant_use_aperture;
26*4882a593Smuzhiyun unsigned long page_mask;
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_AGP)
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun void drm_free_agp(struct agp_memory * handle, int pages);
32*4882a593Smuzhiyun int drm_bind_agp(struct agp_memory * handle, unsigned int start);
33*4882a593Smuzhiyun int drm_unbind_agp(struct agp_memory * handle);
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun struct drm_agp_head *drm_agp_init(struct drm_device *dev);
36*4882a593Smuzhiyun void drm_legacy_agp_clear(struct drm_device *dev);
37*4882a593Smuzhiyun int drm_agp_acquire(struct drm_device *dev);
38*4882a593Smuzhiyun int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
39*4882a593Smuzhiyun struct drm_file *file_priv);
40*4882a593Smuzhiyun int drm_agp_release(struct drm_device *dev);
41*4882a593Smuzhiyun int drm_agp_release_ioctl(struct drm_device *dev, void *data,
42*4882a593Smuzhiyun struct drm_file *file_priv);
43*4882a593Smuzhiyun int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
44*4882a593Smuzhiyun int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
45*4882a593Smuzhiyun struct drm_file *file_priv);
46*4882a593Smuzhiyun int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
47*4882a593Smuzhiyun int drm_agp_info_ioctl(struct drm_device *dev, void *data,
48*4882a593Smuzhiyun struct drm_file *file_priv);
49*4882a593Smuzhiyun int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
50*4882a593Smuzhiyun int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
51*4882a593Smuzhiyun struct drm_file *file_priv);
52*4882a593Smuzhiyun int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
53*4882a593Smuzhiyun int drm_agp_free_ioctl(struct drm_device *dev, void *data,
54*4882a593Smuzhiyun struct drm_file *file_priv);
55*4882a593Smuzhiyun int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
56*4882a593Smuzhiyun int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
57*4882a593Smuzhiyun struct drm_file *file_priv);
58*4882a593Smuzhiyun int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
59*4882a593Smuzhiyun int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
60*4882a593Smuzhiyun struct drm_file *file_priv);
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun #else /* CONFIG_AGP */
63*4882a593Smuzhiyun
drm_free_agp(struct agp_memory * handle,int pages)64*4882a593Smuzhiyun static inline void drm_free_agp(struct agp_memory * handle, int pages)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun
drm_bind_agp(struct agp_memory * handle,unsigned int start)68*4882a593Smuzhiyun static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
69*4882a593Smuzhiyun {
70*4882a593Smuzhiyun return -ENODEV;
71*4882a593Smuzhiyun }
72*4882a593Smuzhiyun
drm_unbind_agp(struct agp_memory * handle)73*4882a593Smuzhiyun static inline int drm_unbind_agp(struct agp_memory * handle)
74*4882a593Smuzhiyun {
75*4882a593Smuzhiyun return -ENODEV;
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
drm_agp_init(struct drm_device * dev)78*4882a593Smuzhiyun static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
79*4882a593Smuzhiyun {
80*4882a593Smuzhiyun return NULL;
81*4882a593Smuzhiyun }
82*4882a593Smuzhiyun
drm_legacy_agp_clear(struct drm_device * dev)83*4882a593Smuzhiyun static inline void drm_legacy_agp_clear(struct drm_device *dev)
84*4882a593Smuzhiyun {
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun
drm_agp_acquire(struct drm_device * dev)87*4882a593Smuzhiyun static inline int drm_agp_acquire(struct drm_device *dev)
88*4882a593Smuzhiyun {
89*4882a593Smuzhiyun return -ENODEV;
90*4882a593Smuzhiyun }
91*4882a593Smuzhiyun
drm_agp_release(struct drm_device * dev)92*4882a593Smuzhiyun static inline int drm_agp_release(struct drm_device *dev)
93*4882a593Smuzhiyun {
94*4882a593Smuzhiyun return -ENODEV;
95*4882a593Smuzhiyun }
96*4882a593Smuzhiyun
drm_agp_enable(struct drm_device * dev,struct drm_agp_mode mode)97*4882a593Smuzhiyun static inline int drm_agp_enable(struct drm_device *dev,
98*4882a593Smuzhiyun struct drm_agp_mode mode)
99*4882a593Smuzhiyun {
100*4882a593Smuzhiyun return -ENODEV;
101*4882a593Smuzhiyun }
102*4882a593Smuzhiyun
drm_agp_info(struct drm_device * dev,struct drm_agp_info * info)103*4882a593Smuzhiyun static inline int drm_agp_info(struct drm_device *dev,
104*4882a593Smuzhiyun struct drm_agp_info *info)
105*4882a593Smuzhiyun {
106*4882a593Smuzhiyun return -ENODEV;
107*4882a593Smuzhiyun }
108*4882a593Smuzhiyun
drm_agp_alloc(struct drm_device * dev,struct drm_agp_buffer * request)109*4882a593Smuzhiyun static inline int drm_agp_alloc(struct drm_device *dev,
110*4882a593Smuzhiyun struct drm_agp_buffer *request)
111*4882a593Smuzhiyun {
112*4882a593Smuzhiyun return -ENODEV;
113*4882a593Smuzhiyun }
114*4882a593Smuzhiyun
drm_agp_free(struct drm_device * dev,struct drm_agp_buffer * request)115*4882a593Smuzhiyun static inline int drm_agp_free(struct drm_device *dev,
116*4882a593Smuzhiyun struct drm_agp_buffer *request)
117*4882a593Smuzhiyun {
118*4882a593Smuzhiyun return -ENODEV;
119*4882a593Smuzhiyun }
120*4882a593Smuzhiyun
drm_agp_unbind(struct drm_device * dev,struct drm_agp_binding * request)121*4882a593Smuzhiyun static inline int drm_agp_unbind(struct drm_device *dev,
122*4882a593Smuzhiyun struct drm_agp_binding *request)
123*4882a593Smuzhiyun {
124*4882a593Smuzhiyun return -ENODEV;
125*4882a593Smuzhiyun }
126*4882a593Smuzhiyun
drm_agp_bind(struct drm_device * dev,struct drm_agp_binding * request)127*4882a593Smuzhiyun static inline int drm_agp_bind(struct drm_device *dev,
128*4882a593Smuzhiyun struct drm_agp_binding *request)
129*4882a593Smuzhiyun {
130*4882a593Smuzhiyun return -ENODEV;
131*4882a593Smuzhiyun }
132*4882a593Smuzhiyun
133*4882a593Smuzhiyun #endif /* CONFIG_AGP */
134*4882a593Smuzhiyun
135*4882a593Smuzhiyun #endif /* _DRM_AGPSUPPORT_H_ */
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