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
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