1 files changed, 42 insertions, 0 deletions

diff --git a/arch/alpha/include/asm/agp_backend.h b/arch/alpha/include/asm/agp_backend.h
new file mode 100644
index 000000000000..55dd44a2cea7
--- /dev/null
+++ b/arch/alpha/include/asm/agp_backend.h
@@ -0,0 +1,42 @@
+#ifndef _ALPHA_AGP_BACKEND_H
+#define _ALPHA_AGP_BACKEND_H 1
+
+typedef union _alpha_agp_mode {
+        struct {
+                u32 rate : 3;
+                u32 reserved0 : 1;
+                u32 fw : 1;
+                u32 fourgb : 1;
+                u32 reserved1 : 2;
+                u32 enable : 1;
+                u32 sba : 1;
+                u32 reserved2 : 14;
+                u32 rq : 8;
+        } bits;
+        u32 lw;
+} alpha_agp_mode;
+
+typedef struct _alpha_agp_info {
+        struct pci_controller *hose;
+        struct {
+                dma_addr_t bus_base;
+                unsigned long size;
+                void *sysdata;
+        } aperture;
+        alpha_agp_mode capability;
+        alpha_agp_mode mode;
+        void *private;
+        struct alpha_agp_ops *ops;
+} alpha_agp_info;
+
+struct alpha_agp_ops {
+        int (*setup)(alpha_agp_info *);
+        void (*cleanup)(alpha_agp_info *);
+        int (*configure)(alpha_agp_info *);
+        int (*bind)(alpha_agp_info *, off_t, struct agp_memory *);
+        int (*unbind)(alpha_agp_info *, off_t, struct agp_memory *);
+        unsigned long (*translate)(alpha_agp_info *, dma_addr_t);
+};
+
+
+#endif /* _ALPHA_AGP_BACKEND_H */