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_mappings()		/* nothing */
19#define flush_agp_cache()		mb()
20
21/* Convert a physical address to an address suitable for the GART. */
22#define phys_to_gart(x) (x)
23#define gart_to_phys(x) (x)
24
25/* GATT allocation. Returns/accepts GATT kernel virtual address. */
26#define alloc_gatt_pages(order)		\
27	((char *)__get_free_pages(GFP_KERNEL, (order)))
28#define free_gatt_pages(table, order)	\
29	free_pages((unsigned long)(table), (order))
30
31#endif /* _ASM_IA64_AGP_H */
32