/* * 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 /* * DMA errors are defined by all-bits-set in the DMA address. */ #define DMA_ERROR_CODE ~0 extern struct dma_map_ops c6x_dma_ops; static inline struct dma_map_ops *get_dma_ops(struct device *dev) { return &c6x_dma_ops; } extern void coherent_mem_init(u32 start, u32 size); void *c6x_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, unsigned long attrs); void c6x_dma_free(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, unsigned long attrs); #endif /* _ASM_C6X_DMA_MAPPING_H */ |