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 
23 enum pch_dma_width {
24 	PCH_DMA_WIDTH_1_BYTE,
25 	PCH_DMA_WIDTH_2_BYTES,
26 	PCH_DMA_WIDTH_4_BYTES,
27 };
28 
29 struct 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