LXR linux/arch/ia64/include/asm/agp.h

   1#ifndef _ASM_IA64_AGP_H
   2#define _ASM_IA64_AGP_H
   3
   4/*
   5 * IA-64 specific AGP definitions.
   6 *
   7 * Copyright (C) 2002-2003 Hewlett-Packard Co
   8 *      David Mosberger-Tang <davidm@hpl.hp.com>
   9 */
  10
  11/*
  12 * To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
  13 * in coherent mode, which lets us map the AGP memory as normal (write-back) memory
  14 * (unlike x86, where it gets mapped "write-coalescing").
  15 */
  16#define map_page_into_agp(page)         /* nothing */
  17#define unmap_page_from_agp(page)       /* nothing */
  18#define flush_agp_cache()               mb()
  19
  20/* GATT allocation. Returns/accepts GATT kernel virtual address. */
  21#define alloc_gatt_pages(order)         \
  22        ((char *)__get_free_pages(GFP_KERNEL, (order)))
  23#define free_gatt_pages(table, order)   \
  24        free_pages((unsigned long)(table), (order))
  25
  26#endif /* _ASM_IA64_AGP_H */
  27