1/*
2 * Contains routines needed to support swiotlb for UniCore32.
3 *
4 * Copyright (C) 2010 Guan Xuetao
5 *
6 * This program is free software; you can redistribute  it and/or modify it
7 * under  the terms of  the GNU General  Public License as published by the
8 * Free Software Foundation;  either version 2 of the  License, or (at your
9 * option) any later version.
10 */
11#include <linux/pci.h>
12#include <linux/cache.h>
13#include <linux/module.h>
14#include <linux/dma-mapping.h>
15#include <linux/swiotlb.h>
16#include <linux/bootmem.h>
17
18#include <asm/dma.h>
19
20static void *unicore_swiotlb_alloc_coherent(struct device *dev, size_t size,
21					    dma_addr_t *dma_handle, gfp_t flags,
22					    struct dma_attrs *attrs)
23{
24	return swiotlb_alloc_coherent(dev, size, dma_handle, flags);
25}
26
27static void unicore_swiotlb_free_coherent(struct device *dev, size_t size,
28					  void *vaddr, dma_addr_t dma_addr,
29					  struct dma_attrs *attrs)
30{
31	swiotlb_free_coherent(dev, size, vaddr, dma_addr);
32}
33
34struct dma_map_ops swiotlb_dma_map_ops = {
35	.alloc = unicore_swiotlb_alloc_coherent,
36	.free = unicore_swiotlb_free_coherent,
37	.map_sg = swiotlb_map_sg_attrs,
38	.unmap_sg = swiotlb_unmap_sg_attrs,
39	.dma_supported = swiotlb_dma_supported,
40	.map_page = swiotlb_map_page,
41	.unmap_page = swiotlb_unmap_page,
42	.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
43	.sync_single_for_device = swiotlb_sync_single_for_device,
44	.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
45	.sync_sg_for_device = swiotlb_sync_sg_for_device,
46	.mapping_error = swiotlb_dma_mapping_error,
47};
48EXPORT_SYMBOL(swiotlb_dma_map_ops);
49