| /* |
| * 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, struct dma_attrs *attrs); |
| void c6x_dma_free(struct device *dev, size_t size, void *vaddr, |
| dma_addr_t dma_handle, struct dma_attrs *attrs); |
| |
| #endif /* _ASM_C6X_DMA_MAPPING_H */ |
