1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2010 Intel Corporation
4  */
5 
6 #ifndef PCH_DMA_H
7 #define PCH_DMA_H
8 
9 #include <linux/dmaengine.h>
10 
11 enum pch_dma_width {
12 	PCH_DMA_WIDTH_1_BYTE,
13 	PCH_DMA_WIDTH_2_BYTES,
14 	PCH_DMA_WIDTH_4_BYTES,
15 };
16 
17 struct pch_dma_slave {
18 	struct device		*dma_dev;
19 	unsigned int		chan_id;
20 	dma_addr_t		tx_reg;
21 	dma_addr_t		rx_reg;
22 	enum pch_dma_width	width;
23 };
24 
25 #endif
26