2009-01-09 00:46:40 +00:00
|
|
|
/*
|
|
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
|
|
* for more details.
|
|
|
|
*
|
|
|
|
* Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
|
|
|
|
*
|
|
|
|
*
|
|
|
|
* Similar to mach-generic/dma-coherence.h except
|
|
|
|
* plat_device_is_coherent hard coded to return 1.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
#ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
|
|
|
|
#define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
|
|
|
|
|
|
|
|
struct device;
|
|
|
|
|
|
|
|
dma_addr_t octeon_map_dma_mem(struct device *, void *, size_t);
|
|
|
|
void octeon_unmap_dma_mem(struct device *, dma_addr_t);
|
|
|
|
|
|
|
|
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
|
|
|
|
size_t size)
|
|
|
|
{
|
|
|
|
return octeon_map_dma_mem(dev, addr, size);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
|
|
|
|
struct page *page)
|
|
|
|
{
|
|
|
|
return octeon_map_dma_mem(dev, page_address(page), PAGE_SIZE);
|
|
|
|
}
|
|
|
|
|
2009-04-24 00:25:12 +00:00
|
|
|
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
|
|
|
|
dma_addr_t dma_addr)
|
2009-01-09 00:46:40 +00:00
|
|
|
{
|
|
|
|
return dma_addr;
|
|
|
|
}
|
|
|
|
|
2009-04-24 00:03:43 +00:00
|
|
|
static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
|
|
|
|
size_t size, enum dma_data_direction direction)
|
2009-01-09 00:46:40 +00:00
|
|
|
{
|
|
|
|
octeon_unmap_dma_mem(dev, dma_addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int plat_dma_supported(struct device *dev, u64 mask)
|
|
|
|
{
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void plat_extra_sync_for_device(struct device *dev)
|
|
|
|
{
|
|
|
|
mb();
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int plat_device_is_coherent(struct device *dev)
|
|
|
|
{
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int plat_dma_mapping_error(struct device *dev,
|
|
|
|
dma_addr_t dma_addr)
|
|
|
|
{
|
|
|
|
return dma_addr == -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */
|