Resguardo inicial

linux-7.2.3/include/linux/platform_data/amd_qdma.h

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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 */