34 lines
988 B
C
34 lines
988 B
C
|
/*
|
||
|
|
* 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 */
|