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usr
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src
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linux-headers-5.4.0-113-generic
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include
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linux
/
dma
/
Filename :
edma.h
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/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2018-2019 Synopsys, Inc. and/or its affiliates. * Synopsys DesignWare eDMA core driver * * Author: Gustavo Pimentel <gustavo.pimentel@synopsys.com> */ #ifndef _DW_EDMA_H #define _DW_EDMA_H #include <linux/device.h> #include <linux/dmaengine.h> struct dw_edma; /** * struct dw_edma_chip - representation of DesignWare eDMA controller hardware * @dev: struct device of the eDMA controller * @id: instance ID * @irq: irq line * @dw: struct dw_edma that is filed by dw_edma_probe() */ struct dw_edma_chip { struct device *dev; int id; int irq; struct dw_edma *dw; }; /* Export to the platform drivers */ #if IS_ENABLED(CONFIG_DW_EDMA) int dw_edma_probe(struct dw_edma_chip *chip); int dw_edma_remove(struct dw_edma_chip *chip); #else static inline int dw_edma_probe(struct dw_edma_chip *chip) { return -ENODEV; } static inline int dw_edma_remove(struct dw_edma_chip *chip) { return 0; } #endif /* CONFIG_DW_EDMA */ #endif /* _DW_EDMA_H */