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/*
* (C) Copyright 2015, 2016 Peter Mamonov <pmamonov@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <dma.h>
#include <asm/io.h>
#if defined(CONFIG_CPU_MIPS32) || \
defined(CONFIG_CPU_MIPS64)
static inline void __dma_sync_mips(unsigned long addr, size_t size,
enum dma_data_direction direction)
{
switch (direction) {
case DMA_TO_DEVICE:
dma_flush_range(addr, addr + size);
break;
case DMA_FROM_DEVICE:
dma_inv_range(addr, addr + size);
break;
case DMA_BIDIRECTIONAL:
dma_flush_range(addr, addr + size);
break;
default:
BUG();
}
}
#else
static inline void __dma_sync_mips(void *addr, size_t size,
enum dma_data_direction direction)
{
}
#endif
void dma_sync_single_for_cpu(dma_addr_t address, size_t size,
enum dma_data_direction dir)
{
__dma_sync_mips(address, size, dir);
}
void dma_sync_single_for_device(dma_addr_t address, size_t size,
enum dma_data_direction dir)
{
__dma_sync_mips(address, size, dir);
}
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