| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (C) 2022, Advanced Micro Devices, Inc. |
| */ |
| |
| #ifndef _PLATDATA_AMD_XDMA_H |
| #define _PLATDATA_AMD_XDMA_H |
| |
| #include <linux/dmaengine.h> |
| |
| /** |
| * struct xdma_chan_info - DMA channel information |
| * This information is used to match channel when request dma channel |
| * @dir: Channel transfer direction |
| */ |
| struct xdma_chan_info { |
| enum dma_transfer_direction dir; |
| }; |
| |
| #define XDMA_FILTER_PARAM(chan_info) ((void *)(chan_info)) |
| |
| struct dma_slave_map; |
| |
| /** |
| * struct xdma_platdata - platform specific data for XDMA engine |
| * @max_dma_channels: Maximum dma channels in each direction |
| */ |
| struct xdma_platdata { |
| u32 max_dma_channels; |
| u32 device_map_cnt; |
| struct dma_slave_map *device_map; |
| }; |
| |
| #endif /* _PLATDATA_AMD_XDMA_H */ |