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-rw-r--r--include/asm-x86/agp.h35
1 files changed, 0 insertions, 35 deletions
diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h
deleted file mode 100644
index 3617fd4fcdf..00000000000
--- a/include/asm-x86/agp.h
+++ /dev/null
@@ -1,35 +0,0 @@
1#ifndef ASM_X86__AGP_H
2#define ASM_X86__AGP_H
3
4#include <asm/pgtable.h>
5#include <asm/cacheflush.h>
6
7/*
8 * Functions to keep the agpgart mappings coherent with the MMU. The
9 * GART gives the CPU a physical alias of pages in memory. The alias
10 * region is mapped uncacheable. Make sure there are no conflicting
11 * mappings with different cachability attributes for the same
12 * page. This avoids data corruption on some CPUs.
13 */
14
15#define map_page_into_agp(page) set_pages_uc(page, 1)
16#define unmap_page_from_agp(page) set_pages_wb(page, 1)
17
18/*
19 * Could use CLFLUSH here if the cpu supports it. But then it would
20 * need to be called for each cacheline of the whole page so it may
21 * not be worth it. Would need a page for it.
22 */
23#define flush_agp_cache() wbinvd()
24
25/* Convert a physical address to an address suitable for the GART. */
26#define phys_to_gart(x) (x)
27#define gart_to_phys(x) (x)
28
29/* GATT allocation. Returns/accepts GATT kernel virtual address. */
30#define alloc_gatt_pages(order) \
31 ((char *)__get_free_pages(GFP_KERNEL, (order)))
32#define free_gatt_pages(table, order) \
33 free_pages((unsigned long)(table), (order))
34
35#endif /* ASM_X86__AGP_H */