1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (C) 2022, Advanced Micro Devices, Inc.
4 */
5
6 #ifndef _PLATDATA_AMD_XDMA_H
7 #define _PLATDATA_AMD_XDMA_H
8
9 #include <linux/dmaengine.h>
10
11 /**
12 * struct xdma_chan_info - DMA channel information
13 * This information is used to match channel when request dma channel
14 * @dir: Channel transfer direction
15 */
16 struct xdma_chan_info {
17 enum dma_transfer_direction dir;
18 };
19
20 #define XDMA_FILTER_PARAM(chan_info) ((void *)(chan_info))
21
22 struct dma_slave_map;
23
24 /**
25 * struct xdma_platdata - platform specific data for XDMA engine
26 * @max_dma_channels: Maximum dma channels in each direction
27 */
28 struct xdma_platdata {
29 u32 max_dma_channels;
30 u32 device_map_cnt;
31 struct dma_slave_map *device_map;
32 };
33
34 #endif /* _PLATDATA_AMD_XDMA_H */
35
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