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Diffstat (limited to 'include/drm/drm_legacy.h')
-rw-r--r--include/drm/drm_legacy.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/include/drm/drm_legacy.h b/include/drm/drm_legacy.h
index faf64319be76..b17e79e12bc2 100644
--- a/include/drm/drm_legacy.h
+++ b/include/drm/drm_legacy.h
@@ -33,6 +33,8 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <linux/agp_backend.h>
+
#include <drm/drm.h>
#include <drm/drm_auth.h>
#include <drm/drm_hashtab.h>
@@ -225,6 +227,86 @@ static inline void drm_legacy_pci_exit(const struct drm_driver *driver,
#endif
+/*
+ * AGP Support
+ */
+
+struct drm_agp_head {
+ struct agp_kern_info agp_info;
+ struct list_head memory;
+ unsigned long mode;
+ struct agp_bridge_data *bridge;
+ int enabled;
+ int acquired;
+ unsigned long base;
+ int agp_mtrr;
+ int cant_use_aperture;
+ unsigned long page_mask;
+};
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_AGP)
+struct drm_agp_head *drm_legacy_agp_init(struct drm_device *dev);
+int drm_legacy_agp_acquire(struct drm_device *dev);
+int drm_legacy_agp_release(struct drm_device *dev);
+int drm_legacy_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
+int drm_legacy_agp_info(struct drm_device *dev, struct drm_agp_info *info);
+int drm_legacy_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
+int drm_legacy_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
+int drm_legacy_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
+int drm_legacy_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
+#else
+static inline struct drm_agp_head *drm_legacy_agp_init(struct drm_device *dev)
+{
+ return NULL;
+}
+
+static inline int drm_legacy_agp_acquire(struct drm_device *dev)
+{
+ return -ENODEV;
+}
+
+static inline int drm_legacy_agp_release(struct drm_device *dev)
+{
+ return -ENODEV;
+}
+
+static inline int drm_legacy_agp_enable(struct drm_device *dev,
+ struct drm_agp_mode mode)
+{
+ return -ENODEV;
+}
+
+static inline int drm_legacy_agp_info(struct drm_device *dev,
+ struct drm_agp_info *info)
+{
+ return -ENODEV;
+}
+
+static inline int drm_legacy_agp_alloc(struct drm_device *dev,
+ struct drm_agp_buffer *request)
+{
+ return -ENODEV;
+}
+
+static inline int drm_legacy_agp_free(struct drm_device *dev,
+ struct drm_agp_buffer *request)
+{
+ return -ENODEV;
+}
+
+static inline int drm_legacy_agp_unbind(struct drm_device *dev,
+ struct drm_agp_binding *request)
+{
+ return -ENODEV;
+}
+
+static inline int drm_legacy_agp_bind(struct drm_device *dev,
+ struct drm_agp_binding *request)
+{
+ return -ENODEV;
+}
+#endif
+
/* drm_memory.c */
void drm_legacy_ioremap(struct drm_local_map *map, struct drm_device *dev);
void drm_legacy_ioremap_wc(struct drm_local_map *map, struct drm_device *dev);