Пример #1
0
void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
	unsigned long offset, size_t size, enum dma_data_direction direction)
{
	BUG_ON(direction == DMA_NONE);

	if (cpu_is_noncoherent_r10000(dev)) {
		unsigned long addr;

		addr = dma_addr_to_virt(dev, dma_handle);
		__dma_sync(addr + offset, size, direction);
	}
#ifdef CONFIG_BRCMSTB
	brcm_sync_for_cpu(dma_addr_to_virt(dev, dma_handle) + offset,
		size, direction);
#endif
}
Пример #2
0
void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
	enum dma_data_direction direction)
{

	if (cpu_is_noncoherent_r10000(dev))
		__dma_sync(dma_addr_to_virt(dev, dma_addr), size,
		           direction);
	plat_unmap_dma_mem(dev, dma_addr, size, direction);
}
Пример #3
0
static void mips_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
	size_t size, enum dma_data_direction direction, struct dma_attrs *attrs)
{
	if (cpu_is_noncoherent_r10000(dev))
		__dma_sync(dma_addr_to_virt(dev, dma_addr), size,
		           direction);

	plat_unmap_dma_mem(dev, dma_addr, size, direction);
}
Пример #4
0
static void mips_dma_sync_single_for_cpu(struct device *dev,
	dma_addr_t dma_handle, size_t size, enum dma_data_direction direction)
{
	if (cpu_is_noncoherent_r10000(dev)) {
		unsigned long addr;

		addr = dma_addr_to_virt(dev, dma_handle);
		__dma_sync(addr, size, direction);
	}
}
Пример #5
0
static int hexagon_map_sg(struct device *hwdev, struct scatterlist *sg,
			  int nents, enum dma_data_direction dir,
			  struct dma_attrs *attrs)
{
	struct scatterlist *s;
	int i;

	WARN_ON(nents == 0 || sg[0].length == 0);

	for_each_sg(sg, s, nents, i) {
		s->dma_address = sg_phys(s);
		if (!check_addr("map_sg", hwdev, s->dma_address, s->length))
			return 0;

		s->dma_length = s->length;

		flush_dcache_range(dma_addr_to_virt(s->dma_address),
				   dma_addr_to_virt(s->dma_address + s->length));
	}
Пример #6
0
static void mips_dma_sync_single_for_device(struct device *dev,
	dma_addr_t dma_handle, size_t size, enum dma_data_direction direction)
{
	plat_extra_sync_for_device(dev);
	if (!plat_device_is_coherent(dev)) {
		unsigned long addr;

		addr = dma_addr_to_virt(dev, dma_handle);
		__dma_sync(addr, size, direction);
	}
}
Пример #7
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void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
	unsigned long offset, size_t size, enum dma_data_direction direction)
{
	BUG_ON(direction == DMA_NONE);

	if (!plat_device_is_coherent(dev)) {
		unsigned long addr;

		addr = dma_addr_to_virt(dma_handle);
		__dma_sync(addr + offset, size, direction);
	}
}
Пример #8
0
void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
	enum dma_data_direction direction)
{
	BUG_ON(direction == DMA_NONE);

	if (!plat_device_is_coherent(dev) && direction != DMA_TO_DEVICE) {
		unsigned long addr;

		addr = dma_addr_to_virt(dma_address);
		dma_cache_wback_inv(addr, size);
	}

	plat_unmap_dma_mem(dma_address);
}