1/*
2 * Copyright (c) 2010 Intel Corporation
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
16 */
17
18#ifndef PCH_DMA_H
19#define PCH_DMA_H
20
21#include <linux/dmaengine.h>
22
23enum pch_dma_width {
24 PCH_DMA_WIDTH_1_BYTE,
25 PCH_DMA_WIDTH_2_BYTES,
26 PCH_DMA_WIDTH_4_BYTES,
27};
28
29struct pch_dma_slave {
30 struct device *dma_dev;
31 unsigned int chan_id;
32 dma_addr_t tx_reg;
33 dma_addr_t rx_reg;
34 enum pch_dma_width width;
35};
36
37#endif
38