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Release 4.14 arch/microblaze/include/asm/dma-mapping.h

/*
 * Implements the generic device dma API for microblaze and the pci
 *
 * Copyright (C) 2009-2010 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2009-2010 PetaLogix
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License. See the file COPYING in the main directory of this
 * archive for more details.
 *
 * This file is base on powerpc and x86 dma-mapping.h versions
 * Copyright (C) 2004 IBM
 */

#ifndef _ASM_MICROBLAZE_DMA_MAPPING_H

#define _ASM_MICROBLAZE_DMA_MAPPING_H

/*
 * See Documentation/DMA-API-HOWTO.txt and
 * Documentation/DMA-API.txt for documentation.
 */

#include <linux/types.h>
#include <linux/cache.h>
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/dma-debug.h>
#include <asm/io.h>
#include <asm/cacheflush.h>


#define __dma_alloc_coherent(dev, gfp, size, handle)	NULL

#define __dma_free_coherent(size, addr)		((void)0)

/*
 * Available generic sets of operations
 */
extern const struct dma_map_ops dma_direct_ops;


static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { return &dma_direct_ops; }

Contributors

PersonTokensPropCommitsCommitProp
Michal Simek1578.95%250.00%
Bart Van Assche421.05%250.00%
Total19100.00%4100.00%


static inline void __dma_sync(unsigned long paddr, size_t size, enum dma_data_direction direction) { switch (direction) { case DMA_TO_DEVICE: case DMA_BIDIRECTIONAL: flush_dcache_range(paddr, paddr + size); break; case DMA_FROM_DEVICE: invalidate_dcache_range(paddr, paddr + size); break; default: BUG(); } }

Contributors

PersonTokensPropCommitsCommitProp
Eli Billauer57100.00%1100.00%
Total57100.00%1100.00%


static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { BUG_ON(direction == DMA_NONE); __dma_sync(virt_to_phys(vaddr), size, (int)direction); }

Contributors

PersonTokensPropCommitsCommitProp
Michal Simek4293.33%150.00%
Eli Billauer36.67%150.00%
Total45100.00%2100.00%

#endif /* _ASM_MICROBLAZE_DMA_MAPPING_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Michal Simek11563.19%342.86%
Eli Billauer6133.52%114.29%
Bart Van Assche52.75%228.57%
Paul Bolle10.55%114.29%
Total182100.00%7100.00%
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