| 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 | |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 18 | extern void octeon_pci_dma_init(void); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 19 | |
| 20 | static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, |
| 21 | size_t size) |
| 22 | { |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 23 | BUG(); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 24 | } |
| 25 | |
| 26 | static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, |
| 27 | struct page *page) |
| 28 | { |
| David Daney | 48e1fd5 | 2010-10-01 13:27:32 -0700 | [diff] [blame] | 29 | BUG(); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 30 | } |
| 31 | |
| Kevin Cernekee | 3807ef3 | 2009-04-23 17:25:12 -0700 | [diff] [blame] | 32 | static inline unsigned long plat_dma_addr_to_phys(struct device *dev, |
| 33 | dma_addr_t dma_addr) |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 34 | { |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 35 | BUG(); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 36 | } |
| 37 | |
| Kevin Cernekee | d3f634b | 2009-04-23 17:03:43 -0700 | [diff] [blame] | 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) |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 40 | { |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 41 | BUG(); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | static inline int plat_dma_supported(struct device *dev, u64 mask) |
| 45 | { |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 46 | BUG(); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | static inline void plat_extra_sync_for_device(struct device *dev) |
| 50 | { |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 51 | BUG(); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 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 | { |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 62 | BUG(); |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 63 | } |
| 64 | |
| David Daney | b93b2ab | 2010-10-01 13:27:34 -0700 | [diff] [blame] | 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 | |
| David Daney | 5b3b168 | 2009-01-08 16:46:40 -0800 | [diff] [blame] | 72 | #endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */ |