diff options
Diffstat (limited to 'include/asm-x86/agp.h')
-rw-r--r-- | include/asm-x86/agp.h | 35 |
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 */ | ||