27 lines
818 B
C
27 lines
818 B
C
|
#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 <davidm@hpl.hp.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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()
|
||
|
|
|
||
|
|
/* 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 */
|