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
}
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);
}
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);
}
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);
}
}
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));
}
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);
}
}
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);
}
}
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);
}