| /* 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 */ |