include/drm/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
  13 void drm_free_agp(DRM_AGP_MEM * handle, int pages);
  14 int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
  15 int drm_unbind_agp(DRM_AGP_MEM * handle);
  16 DRM_AGP_MEM *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
  22 struct drm_agp_head *drm_agp_init(struct drm_device *dev);
  23 void drm_agp_destroy(struct drm_agp_head *agp);
  24 void drm_agp_clear(struct drm_device *dev);
  25 int drm_agp_acquire(struct drm_device *dev);
  26 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
  27                           struct drm_file *file_priv);
  28 int drm_agp_release(struct drm_device *dev);
  29 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
  30                           struct drm_file *file_priv);
  31 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
  32 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
  33                          struct drm_file *file_priv);
  34 int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info);
  35 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
  36                        struct drm_file *file_priv);
  37 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
  38 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
  39                         struct drm_file *file_priv);
  40 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
  41 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
  42                        struct drm_file *file_priv);
  43 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
  44 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
  45                          struct drm_file *file_priv);
  46 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
  47 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
  48                        struct drm_file *file_priv);
  49
  50 static inline int drm_core_has_AGP(struct drm_device *dev)
  51 {
  52         return drm_core_check_feature(dev, DRIVER_USE_AGP);
  53 }
  54
  55 #else /* __OS_HAS_AGP */
  56
  57 static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages)
  58 {
  59 }
  60
  61 static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
  62 {
  63         return -ENODEV;
  64 }
  65
  66 static inline int drm_unbind_agp(DRM_AGP_MEM * handle)
  67 {
  68         return -ENODEV;
  69 }
  70
  71 static inline DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
  72                                               struct page **pages,
  73                                               unsigned long num_pages,
  74                                               uint32_t gtt_offset,
  75                                               uint32_t type)
  76 {
  77         return NULL;
  78 }
  79
  80 static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
  81 {
  82         return NULL;
  83 }
  84
  85 static inline void drm_agp_destroy(struct drm_agp_head *agp)
  86 {
  87 }
  88
  89 static inline void drm_agp_clear(struct drm_device *dev)
  90 {
  91 }
  92
  93 static inline int drm_agp_acquire(struct drm_device *dev)
  94 {
  95         return -ENODEV;
  96 }
  97
  98 static inline int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
  99                                         struct drm_file *file_priv)
 100 {
 101         return -ENODEV;
 102 }
 103
 104 static inline int drm_agp_release(struct drm_device *dev)
 105 {
 106         return -ENODEV;
 107 }
 108
 109 static inline int drm_agp_release_ioctl(struct drm_device *dev, void *data,
 110                                         struct drm_file *file_priv)
 111 {
 112         return -ENODEV;
 113 }
 114
 115 static inline int drm_agp_enable(struct drm_device *dev,
 116                                  struct drm_agp_mode mode)
 117 {
 118         return -ENODEV;
 119 }
 120
 121 static inline int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
 122                                        struct drm_file *file_priv)
 123 {
 124         return -ENODEV;
 125 }
 126
 127 static inline int drm_agp_info(struct drm_device *dev,
 128                                struct drm_agp_info *info)
 129 {
 130         return -ENODEV;
 131 }
 132
 133 static inline int drm_agp_info_ioctl(struct drm_device *dev, void *data,
 134                                      struct drm_file *file_priv)
 135 {
 136         return -ENODEV;
 137 }
 138
 139 static inline int drm_agp_alloc(struct drm_device *dev,
 140                                 struct drm_agp_buffer *request)
 141 {
 142         return -ENODEV;
 143 }
 144
 145 static inline int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
 146                                       struct drm_file *file_priv)
 147 {
 148         return -ENODEV;
 149 }
 150
 151 static inline int drm_agp_free(struct drm_device *dev,
 152                                struct drm_agp_buffer *request)
 153 {
 154         return -ENODEV;
 155 }
 156
 157 static inline int drm_agp_free_ioctl(struct drm_device *dev, void *data,
 158                                      struct drm_file *file_priv)
 159 {
 160         return -ENODEV;
 161 }
 162
 163 static inline int drm_agp_unbind(struct drm_device *dev,
 164                                  struct drm_agp_binding *request)
 165 {
 166         return -ENODEV;
 167 }
 168
 169 static inline int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
 170                                        struct drm_file *file_priv)
 171 {
 172         return -ENODEV;
 173 }
 174
 175 static inline int drm_agp_bind(struct drm_device *dev,
 176                                struct drm_agp_binding *request)
 177 {
 178         return -ENODEV;
 179 }
 180
 181 static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
 182                                      struct drm_file *file_priv)
 183 {
 184         return -ENODEV;
 185 }
 186
 187 static inline int drm_core_has_AGP(struct drm_device *dev)
 188 {
 189         return 0;
 190 }
 191
 192 #endif /* __OS_HAS_AGP */
 193
 194 #endif /* _DRM_AGPSUPPORT_H_ */