58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* (C) Copyright 2015, 2016 Peter Mamonov <pmamonov@gmail.com>
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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
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <dma.h>
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#include <asm/io.h>
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#if defined(CONFIG_CPU_MIPS32) || \
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defined(CONFIG_CPU_MIPS64)
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static inline void __dma_sync_mips(unsigned long addr, size_t size,
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enum dma_data_direction direction)
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{
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switch (direction) {
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case DMA_TO_DEVICE:
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dma_flush_range(addr, addr + size);
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break;
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case DMA_FROM_DEVICE:
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dma_inv_range(addr, addr + size);
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break;
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case DMA_BIDIRECTIONAL:
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dma_flush_range(addr, addr + size);
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break;
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default:
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BUG();
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}
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}
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#else
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static inline void __dma_sync_mips(void *addr, size_t size,
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enum dma_data_direction direction)
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{
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}
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#endif
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void dma_sync_single_for_cpu(unsigned long address, size_t size,
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enum dma_data_direction dir)
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{
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__dma_sync_mips(address, size, dir);
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}
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void dma_sync_single_for_device(unsigned long address, size_t size,
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enum dma_data_direction dir)
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{
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__dma_sync_mips(address, size, dir);
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}
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