| /* |
| * 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> |
| * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> |
| * |
| */ |
| #ifndef __ASM_MACH_ATH25_DMA_COHERENCE_H |
| #define __ASM_MACH_ATH25_DMA_COHERENCE_H |
| |
| #include <linux/device.h> |
| |
| static inline dma_addr_t |
| plat_map_dma_mem(struct device *dev, void *addr, size_t size) |
| { |
| return virt_to_phys(addr); |
| } |
| |
| static inline dma_addr_t |
| plat_map_dma_mem_page(struct device *dev, struct page *page) |
| { |
| return page_to_phys(page); |
| } |
| |
| static inline unsigned long |
| plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr) |
| { |
| return dma_addr; |
| } |
| |
| static inline void |
| plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, size_t size, |
| enum dma_data_direction direction) |
| { |
| } |
| |
| static inline int plat_dma_supported(struct device *dev, u64 mask) |
| { |
| return 1; |
| } |
| |
| static inline void plat_extra_sync_for_device(struct device *dev) |
| { |
| } |
| |
| static inline int plat_dma_mapping_error(struct device *dev, |
| dma_addr_t dma_addr) |
| { |
| return 0; |
| } |
| |
| static inline int plat_device_is_coherent(struct device *dev) |
| { |
| #ifdef CONFIG_DMA_COHERENT |
| return 1; |
| #endif |
| #ifdef CONFIG_DMA_NONCOHERENT |
| return 0; |
| #endif |
| } |
| |
| #endif /* __ASM_MACH_ATH25_DMA_COHERENCE_H */ |