JustOS/linux-6.13/include/linux/platform_data/amd_qdma.h
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2025-01-24 17:00:19 +03:00

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2023-2024, Advanced Micro Devices, Inc.
*/
#ifndef _PLATDATA_AMD_QDMA_H
#define _PLATDATA_AMD_QDMA_H
#include <linux/dmaengine.h>
/**
* struct qdma_queue_info - DMA queue information. This information is used to
* match queue when DMA channel is requested
* @dir: Channel transfer direction
*/
struct qdma_queue_info {
enum dma_transfer_direction dir;
};
#define QDMA_FILTER_PARAM(qinfo) ((void *)(qinfo))
struct dma_slave_map;
/**
* struct qdma_platdata - Platform specific data for QDMA engine
* @max_mm_channels: Maximum number of MM DMA channels in each direction
* @device_map: DMA slave map
* @irq_index: The index of first IRQ
* @dma_dev: The device pointer for dma operations
*/
struct qdma_platdata {
u32 max_mm_channels;
u32 irq_index;
struct dma_slave_map *device_map;
struct device *dma_dev;
};
#endif /* _PLATDATA_AMD_QDMA_H */