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The driver library functions can be used directly by the compound devices such as ADSP or serial driver where DesignWare DMA IP is privately attached to the main hardware. Instead of creating a new platform device leaf they may call dw_dma_probe() with given struct dw_dma_chip directly and make sure that the main device is DMA capable. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
24 lines
583 B
C
24 lines
583 B
C
/*
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* Driver for the Synopsys DesignWare DMA Controller
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*
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* Copyright (C) 2013 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _DMA_DW_INTERNAL_H
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#define _DMA_DW_INTERNAL_H
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#include <linux/dma/dw.h>
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#include "regs.h"
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int dw_dma_disable(struct dw_dma_chip *chip);
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int dw_dma_enable(struct dw_dma_chip *chip);
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extern bool dw_dma_filter(struct dma_chan *chan, void *param);
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#endif /* _DMA_DW_INTERNAL_H */
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