| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> |
| 7 | * |
| 8 | * |
| 9 | * Similar to mach-generic/dma-coherence.h except |
| 10 | * plat_device_is_coherent hard coded to return 1. |
| 11 | * |
| 12 | */ |
| 13 | #ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H |
| 14 | #define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H |
| 15 | |
| 16 | struct device; |
| 17 | |
| 18 | dma_addr_t octeon_map_dma_mem(struct device *, void *, size_t); |
| 19 | void octeon_unmap_dma_mem(struct device *, dma_addr_t); |
| 20 | |
| 21 | static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, |
| 22 | size_t size) |
| 23 | { |
| 24 | return octeon_map_dma_mem(dev, addr, size); |
| 25 | } |
| 26 | |
| 27 | static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, |
| 28 | struct page *page) |
| 29 | { |
| 30 | return octeon_map_dma_mem(dev, page_address(page), PAGE_SIZE); |
| 31 | } |
| 32 | |
| 33 | static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) |
| 34 | { |
| 35 | return dma_addr; |
| 36 | } |
| 37 | |
| 38 | static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr) |
| 39 | { |
| 40 | octeon_unmap_dma_mem(dev, dma_addr); |
| 41 | } |
| 42 | |
| 43 | static inline int plat_dma_supported(struct device *dev, u64 mask) |
| 44 | { |
| 45 | return 1; |
| 46 | } |
| 47 | |
| 48 | static inline void plat_extra_sync_for_device(struct device *dev) |
| 49 | { |
| 50 | mb(); |
| 51 | } |
| 52 | |
| 53 | static inline int plat_device_is_coherent(struct device *dev) |
| 54 | { |
| 55 | return 1; |
| 56 | } |
| 57 | |
| 58 | static inline int plat_dma_mapping_error(struct device *dev, |
| 59 | dma_addr_t dma_addr) |
| 60 | { |
| 61 | return dma_addr == -1; |
| 62 | } |
| 63 | |
| 64 | #endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */ |