projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 9a88cbb5 RB |
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 | #ifndef __ASM_MACH_JAZZ_DMA_COHERENCE_H | |
| 9 | #define __ASM_MACH_JAZZ_DMA_COHERENCE_H | |
| 10 | ||
| 11 | #include <asm/jazzdma.h> | |
| 12 | ||
| 13 | struct device; | |
| 14 | ||
| 15 | static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size) | |
| 16 | { | |
| 17 | return vdma_alloc(virt_to_phys(addr), size); | |
| 18 | } | |
| 19 | ||
| 20 | static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page) | |
| 21 | { | |
| 22 | return vdma_alloc(page_to_phys(page), PAGE_SIZE); | |
| 23 | } | |
| 24 | ||
| 25 | static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr) | |
| 26 | { | |
| 27 | return vdma_log2phys(dma_addr); | |
| 28 | } | |
| 29 | ||
| 30 | static void plat_unmap_dma_mem(dma_addr_t dma_addr) | |
| 31 | { | |
| 32 | vdma_free(dma_addr); | |
| 33 | } | |
| 34 | ||
| 35 | static inline int plat_device_is_coherent(struct device *dev) | |
| 36 | { | |
| 37 | return 0; | |
| 38 | } | |
| 39 | ||
| 40 | #endif /* __ASM_MACH_JAZZ_DMA_COHERENCE_H */ |