510 			  struct ttm_bo_kmap_obj *map)  in ttm_bo_ioremap()  argument
515 		map->bo_kmap_type = ttm_bo_map_premapped;  in ttm_bo_ioremap()
516 		map->virtual = (void *)(((u8 *)bo->mem.bus.addr) + offset);  in ttm_bo_ioremap()
518 		map->bo_kmap_type = ttm_bo_map_iomap;  in ttm_bo_ioremap()
520 			map->virtual = ioremap_wc(bo->mem.bus.base + bo->mem.bus.offset + offset,  in ttm_bo_ioremap()
523 			map->virtual = ioremap_nocache(bo->mem.bus.base + bo->mem.bus.offset + offset,  in ttm_bo_ioremap()
526 	return (!map->virtual) ? -ENOMEM : 0;  in ttm_bo_ioremap()
532 			   struct ttm_bo_kmap_obj *map)  in ttm_bo_kmap_ttm()  argument
552 		map->bo_kmap_type = ttm_bo_map_kmap;  in ttm_bo_kmap_ttm()
553 		map->page = ttm->pages[start_page];  in ttm_bo_kmap_ttm()
554 		map->virtual = kmap(map->page);  in ttm_bo_kmap_ttm()
561 		map->bo_kmap_type = ttm_bo_map_vmap;  in ttm_bo_kmap_ttm()
562 		map->virtual = vmap(ttm->pages + start_page, num_pages,  in ttm_bo_kmap_ttm()
565 	return (!map->virtual) ? -ENOMEM : 0;  in ttm_bo_kmap_ttm()
570 		struct ttm_bo_kmap_obj *map)  in ttm_bo_kmap()  argument
578 	map->virtual = NULL;  in ttm_bo_kmap()
579 	map->bo = bo;  in ttm_bo_kmap()
594 		return ttm_bo_kmap_ttm(bo, start_page, num_pages, map);  in ttm_bo_kmap()
598 		return ttm_bo_ioremap(bo, offset, size, map);  in ttm_bo_kmap()
603 void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map)  in ttm_bo_kunmap()  argument
605 	struct ttm_buffer_object *bo = map->bo;  in ttm_bo_kunmap()
609 	if (!map->virtual)  in ttm_bo_kunmap()
611 	switch (map->bo_kmap_type) {  in ttm_bo_kunmap()
613 		iounmap(map->virtual);  in ttm_bo_kunmap()
616 		vunmap(map->virtual);  in ttm_bo_kunmap()
619 		kunmap(map->page);  in ttm_bo_kunmap()
627 	ttm_mem_io_free(map->bo->bdev, &map->bo->mem);  in ttm_bo_kunmap()
629 	map->virtual = NULL;  in ttm_bo_kunmap()
630 	map->page = NULL;  in ttm_bo_kunmap()