include/asm-powerpc/agp.h

   1 #ifndef AGP_H
   2 #define AGP_H 1
   3
   4 #include <asm/io.h>
   5
   6 /* nothing much needed here */
   7
   8 #define map_page_into_agp(page)
   9 #define unmap_page_from_agp(page)
  10 #define flush_agp_mappings()
  11 #define flush_agp_cache() mb()
  12
  13 /* Convert a physical address to an address suitable for the GART. */
  14 #define phys_to_gart(x) (x)
  15 #define gart_to_phys(x) (x)
  16
  17 /* GATT allocation. Returns/accepts GATT kernel virtual address. */
  18 #define alloc_gatt_pages(order)         \
  19         ((char *)__get_free_pages(GFP_KERNEL, (order)))
  20 #define free_gatt_pages(table, order)   \
  21         free_pages((unsigned long)(table), (order))
  22
  23 #endif