| | 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 | extern void octeon_pci_dma_init(void); |
| | 19 | |
| | 20 | static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, |
| | 21 | size_t size) |
| | 22 | { |
| | 23 | BUG(); |
| | 24 | } |
| | 25 | |
| | 26 | static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, |
| | 27 | struct page *page) |
| | 28 | { |
| | 29 | BUG(); |
| | 30 | } |
| | 31 | |
| | 32 | static inline unsigned long plat_dma_addr_to_phys(struct device *dev, |
| | 33 | dma_addr_t dma_addr) |
| | 34 | { |
| | 35 | BUG(); |
| | 36 | } |
| | 37 | |
| | 38 | static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, |
| | 39 | size_t size, enum dma_data_direction direction) |
| | 40 | { |
| | 41 | BUG(); |
| | 42 | } |
| | 43 | |
| | 44 | static inline int plat_dma_supported(struct device *dev, u64 mask) |
| | 45 | { |
| | 46 | BUG(); |
| | 47 | } |
| | 48 | |
| | 49 | static inline void plat_extra_sync_for_device(struct device *dev) |
| | 50 | { |
| | 51 | BUG(); |
| | 52 | } |
| | 53 | |
| | 54 | static inline int plat_device_is_coherent(struct device *dev) |
| | 55 | { |
| | 56 | return 1; |
| | 57 | } |
| | 58 | |
| | 59 | static inline int plat_dma_mapping_error(struct device *dev, |
| | 60 | dma_addr_t dma_addr) |
| | 61 | { |
| | 62 | BUG(); |
| | 63 | } |
| | 64 | |
| | 65 | dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr); |
| | 66 | phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr); |
| | 67 | |
| | 68 | struct dma_map_ops; |
| | 69 | extern struct dma_map_ops *octeon_pci_dma_map_ops; |
| | 70 | extern char *octeon_swiotlb; |
| | 71 | |
| | 72 | #endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */ |
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