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