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Diffstat (limited to 'arch/c6x/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/c6x/include/asm/dma-mapping.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/arch/c6x/include/asm/dma-mapping.h b/arch/c6x/include/asm/dma-mapping.h deleted file mode 100644 index 88bd0d899bdb..000000000000 --- a/arch/c6x/include/asm/dma-mapping.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Port on Texas Instruments TMS320C6x architecture - * - * Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated - * Author: Aurelien Jacquiot <aurelien.jacquiot@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ -#ifndef _ASM_C6X_DMA_MAPPING_H -#define _ASM_C6X_DMA_MAPPING_H - -#include <linux/dma-debug.h> -#include <asm-generic/dma-coherent.h> - -#define dma_supported(d, m) 1 - -static inline int dma_set_mask(struct device *dev, u64 dma_mask) -{ - if (!dev->dma_mask || !dma_supported(dev, dma_mask)) - return -EIO; - - *dev->dma_mask = dma_mask; - - return 0; -} - -/* - * DMA errors are defined by all-bits-set in the DMA address. - */ -static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - debug_dma_mapping_error(dev, dma_addr); - return dma_addr == ~0; -} - -extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, - size_t size, enum dma_data_direction dir); - -extern void dma_unmap_single(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir); - -extern int dma_map_sg(struct device *dev, struct scatterlist *sglist, - int nents, enum dma_data_direction direction); - -extern void dma_unmap_sg(struct device *dev, struct scatterlist *sglist, - int nents, enum dma_data_direction direction); - -static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - dma_addr_t handle; - - handle = dma_map_single(dev, page_address(page) + offset, size, dir); - - debug_dma_map_page(dev, page, offset, size, dir, handle, false); - - return handle; -} - -static inline void dma_unmap_page(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir) -{ - dma_unmap_single(dev, handle, size, dir); - - debug_dma_unmap_page(dev, handle, size, dir, false); -} - -extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir); - -extern void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, - size_t size, - enum dma_data_direction dir); - -extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir); - -extern void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir); - -extern void coherent_mem_init(u32 start, u32 size); -extern void *dma_alloc_coherent(struct device *, size_t, dma_addr_t *, gfp_t); -extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t); - -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent((d), (s), (h), (f)) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent((d), (s), (v), (h)) - -/* Not supported for now */ -static inline int dma_mmap_coherent(struct device *dev, - struct vm_area_struct *vma, void *cpu_addr, - dma_addr_t dma_addr, size_t size) -{ - return -EINVAL; -} - -static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, - void *cpu_addr, dma_addr_t dma_addr, - size_t size) -{ - return -EINVAL; -} - -#endif /* _ASM_C6X_DMA_MAPPING_H */ |
