/*
 * (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(unsigned long address, size_t size,
			     enum dma_data_direction dir)
{
	__dma_sync_mips(address, size, dir);
}

void dma_sync_single_for_device(unsigned long address, size_t size,
				enum dma_data_direction dir)
{
	__dma_sync_mips(address, size, dir);
}