include/drm/drm_agpsupport.h

   1 #ifndef _DRM_AGPSUPPORT_H_
   2 #define _DRM_AGPSUPPORT_H_
   3
   4 #include <linux/agp_backend.h>
   5 #include <linux/kernel.h>
   6 #include <linux/list.h>
   7 #include <linux/mm.h>
   8 #include <linux/mutex.h>
   9 #include <linux/types.h>
  10 #include <uapi/drm/drm.h>
  11
  12 struct drm_device;
  13 struct drm_file;
  14
  15 #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && \
  16                                               defined(MODULE)))
  17
  18 struct drm_agp_head {
  19         struct agp_kern_info agp_info;
  20         struct list_head memory;
  21         unsigned long mode;
  22         struct agp_bridge_data *bridge;
  23         int enabled;
  24         int acquired;
  25         unsigned long base;
  26         int agp_mtrr;
  27         int cant_use_aperture;
  28         unsigned long page_mask;
  29 };
  30
  31 #if __OS_HAS_AGP
  32
  33 void drm_free_agp(struct agp_memory * handle, int pages);
  34 int drm_bind_agp(struct agp_memory * handle, unsigned int start);
  35 int drm_unbind_agp(struct agp_memory * handle);
  36 struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
  37                                 struct page **pages,
  38                                 unsigned long num_pages,
  39                                 uint32_t gtt_offset,
  40                                 uint32_t type);
  41
  42 struct drm_agp_head *drm_agp_init(struct drm_device *dev);
  43 void drm_agp_clear(struct drm_device *dev);
  44 int drm_agp_acquire(struct drm_device *dev);
  45 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
  46                           struct drm_file *file_priv);
  47 int drm_agp_release(struct drm_device *dev);
  48 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
  49                           struct drm_file *file_priv);
  50 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
  51 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
  52                          struct drm_file *file_priv);
  53 int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
  54 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
  55                        struct drm_file *file_priv);
  56 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
  57 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
  58                         struct drm_file *file_priv);
  59 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
  60 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
  61                        struct drm_file *file_priv);
  62 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
  63 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
  64                          struct drm_file *file_priv);
  65 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
  66 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
  67                        struct drm_file *file_priv);
  68
  69 #else /* __OS_HAS_AGP */
  70
  71 static inline void drm_free_agp(struct agp_memory * handle, int pages)
  72 {
  73 }
  74
  75 static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
  76 {
  77         return -ENODEV;
  78 }
  79
  80 static inline int drm_unbind_agp(struct agp_memory * handle)
  81 {
  82         return -ENODEV;
  83 }
  84
  85 static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
  86                                               struct page **pages,
  87                                               unsigned long num_pages,
  88                                               uint32_t gtt_offset,
  89                                               uint32_t type)
  90 {
  91         return NULL;
  92 }
  93
  94 static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
  95 {
  96         return NULL;
  97 }
  98
  99 static inline void drm_agp_clear(struct drm_device *dev)
 100 {
 101 }
 102
 103 static inline int drm_agp_acquire(struct drm_device *dev)
 104 {
 105         return -ENODEV;
 106 }
 107
 108 static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
 109                                         struct drm_file *file_priv)
 110 {
 111         return -ENODEV;
 112 }
 113
 114 static inline int drm_agp_release(struct drm_device *dev)
 115 {
 116         return -ENODEV;
 117 }
 118
 119 static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data,
 120                                         struct drm_file *file_priv)
 121 {
 122         return -ENODEV;
 123 }
 124
 125 static inline int drm_agp_enable(struct drm_device *dev,
 126                                  struct drm_agp_mode mode)
 127 {
 128         return -ENODEV;
 129 }
 130
 131 static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
 132                                        struct drm_file *file_priv)
 133 {
 134         return -ENODEV;
 135 }
 136
 137 static inline int drm_agp_info(struct drm_device *dev,
 138                                struct drm_agp_info *info)
 139 {
 140         return -ENODEV;
 141 }
 142
 143 static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data,
 144                                      struct drm_file *file_priv)
 145 {
 146         return -ENODEV;
 147 }
 148
 149 static inline int drm_agp_alloc(struct drm_device *dev,
 150                                 struct drm_agp_buffer *request)
 151 {
 152         return -ENODEV;
 153 }
 154
 155 static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
 156                                       struct drm_file *file_priv)
 157 {
 158         return -ENODEV;
 159 }
 160
 161 static inline int drm_agp_free(struct drm_device *dev,
 162                                struct drm_agp_buffer *request)
 163 {
 164         return -ENODEV;
 165 }
 166
 167 static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data,
 168                                      struct drm_file *file_priv)
 169 {
 170         return -ENODEV;
 171 }
 172
 173 static inline int drm_agp_unbind(struct drm_device *dev,
 174                                  struct drm_agp_binding *request)
 175 {
 176         return -ENODEV;
 177 }
 178
 179 static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
 180                                        struct drm_file *file_priv)
 181 {
 182         return -ENODEV;
 183 }
 184
 185 static inline int drm_agp_bind(struct drm_device *dev,
 186                                struct drm_agp_binding *request)
 187 {
 188         return -ENODEV;
 189 }
 190
 191 static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
 192                                      struct drm_file *file_priv)
 193 {
 194         return -ENODEV;
 195 }
 196
 197 #endif /* __OS_HAS_AGP */
 198
 199 #endif /* _DRM_AGPSUPPORT_H_ */