| #ifndef _ASM_IA64_AGP_H |
| #define _ASM_IA64_AGP_H |
| |
| /* |
| * IA-64 specific AGP definitions. |
| * |
| * Copyright (C) 2002-2003 Hewlett-Packard Co |
| * David Mosberger-Tang <[email protected]> |
| */ |
| |
| /* |
| * To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate |
| * in coherent mode, which lets us map the AGP memory as normal (write-back) memory |
| * (unlike x86, where it gets mapped "write-coalescing"). |
| */ |
| #define map_page_into_agp(page) /* nothing */ |
| #define unmap_page_from_agp(page) /* nothing */ |
| #define flush_agp_cache() mb() |
| |
| /* Convert a physical address to an address suitable for the GART. */ |
| #define phys_to_gart(x) (x) |
| #define gart_to_phys(x) (x) |
| |
| /* GATT allocation. Returns/accepts GATT kernel virtual address. */ |
| #define alloc_gatt_pages(order) \ |
| ((char *)__get_free_pages(GFP_KERNEL, (order))) |
| #define free_gatt_pages(table, order) \ |
| free_pages((unsigned long)(table), (order)) |
| |
| #endif /* _ASM_IA64_AGP_H */ |
